2 * tg3.c: Broadcom Tigon3 ethernet driver.
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
7 * Copyright (C) 2005-2009 Broadcom Corporation.
10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
19 #include <linux/module.h>
20 #include <linux/moduleparam.h>
21 #include <linux/kernel.h>
22 #include <linux/types.h>
23 #include <linux/compiler.h>
24 #include <linux/slab.h>
25 #include <linux/delay.h>
27 #include <linux/init.h>
28 #include <linux/ioport.h>
29 #include <linux/pci.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
32 #include <linux/skbuff.h>
33 #include <linux/ethtool.h>
34 #include <linux/mii.h>
35 #include <linux/phy.h>
36 #include <linux/brcmphy.h>
37 #include <linux/if_vlan.h>
39 #include <linux/tcp.h>
40 #include <linux/workqueue.h>
41 #include <linux/prefetch.h>
42 #include <linux/dma-mapping.h>
43 #include <linux/firmware.h>
45 #include <net/checksum.h>
48 #include <asm/system.h>
50 #include <asm/byteorder.h>
51 #include <asm/uaccess.h>
54 #include <asm/idprom.h>
61 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
62 #define TG3_VLAN_TAG_USED 1
64 #define TG3_VLAN_TAG_USED 0
69 #define DRV_MODULE_NAME "tg3"
70 #define PFX DRV_MODULE_NAME ": "
71 #define DRV_MODULE_VERSION "3.103"
72 #define DRV_MODULE_RELDATE "November 2, 2009"
74 #define TG3_DEF_MAC_MODE 0
75 #define TG3_DEF_RX_MODE 0
76 #define TG3_DEF_TX_MODE 0
77 #define TG3_DEF_MSG_ENABLE \
87 /* length of time before we decide the hardware is borked,
88 * and dev->tx_timeout() should be called to fix the problem
90 #define TG3_TX_TIMEOUT (5 * HZ)
92 /* hardware minimum and maximum for a single frame's data payload */
93 #define TG3_MIN_MTU 60
94 #define TG3_MAX_MTU(tp) \
95 ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
97 /* These numbers seem to be hard coded in the NIC firmware somehow.
98 * You can't change the ring sizes, but you can change where you place
99 * them in the NIC onboard memory.
101 #define TG3_RX_RING_SIZE 512
102 #define TG3_DEF_RX_RING_PENDING 200
103 #define TG3_RX_JUMBO_RING_SIZE 256
104 #define TG3_DEF_RX_JUMBO_RING_PENDING 100
105 #define TG3_RSS_INDIR_TBL_SIZE 128
107 /* Do not place this n-ring entries value into the tp struct itself,
108 * we really want to expose these constants to GCC so that modulo et
109 * al. operations are done with shifts and masks instead of with
110 * hw multiply/modulo instructions. Another solution would be to
111 * replace things like '% foo' with '& (foo - 1)'.
113 #define TG3_RX_RCB_RING_SIZE(tp) \
114 (((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) && \
115 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) ? 1024 : 512)
117 #define TG3_TX_RING_SIZE 512
118 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
120 #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
122 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_ext_rx_buffer_desc) * \
123 TG3_RX_JUMBO_RING_SIZE)
124 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
125 TG3_RX_RCB_RING_SIZE(tp))
126 #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
128 #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
130 #define TG3_DMA_BYTE_ENAB 64
132 #define TG3_RX_STD_DMA_SZ 1536
133 #define TG3_RX_JMB_DMA_SZ 9046
135 #define TG3_RX_DMA_TO_MAP_SZ(x) ((x) + TG3_DMA_BYTE_ENAB)
137 #define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
138 #define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
140 /* minimum number of free TX descriptors required to wake up TX process */
141 #define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
143 #define TG3_RAW_IP_ALIGN 2
145 /* number of ETHTOOL_GSTATS u64's */
146 #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
148 #define TG3_NUM_TEST 6
150 #define FIRMWARE_TG3 "tigon/tg3.bin"
151 #define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
152 #define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
154 static char version[] __devinitdata =
155 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
157 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
158 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
159 MODULE_LICENSE("GPL");
160 MODULE_VERSION(DRV_MODULE_VERSION);
161 MODULE_FIRMWARE(FIRMWARE_TG3);
162 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
163 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
165 #define TG3_RSS_MIN_NUM_MSIX_VECS 2
167 static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
168 module_param(tg3_debug, int, 0);
169 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
171 static struct pci_device_id tg3_pci_tbl[] = {
172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
201 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
202 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
203 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
204 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
205 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
206 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
207 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
208 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
209 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
210 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
211 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
212 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
213 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
214 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
215 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
216 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
217 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
218 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
219 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
220 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
221 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
222 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
223 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
224 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
225 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
226 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
227 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
228 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
229 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
230 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
231 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
232 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
233 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
234 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
235 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
236 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
237 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
238 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
239 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
240 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
241 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
242 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
243 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
244 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
248 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
250 static const struct {
251 const char string[ETH_GSTRING_LEN];
252 } ethtool_stats_keys[TG3_NUM_STATS] = {
255 { "rx_ucast_packets" },
256 { "rx_mcast_packets" },
257 { "rx_bcast_packets" },
259 { "rx_align_errors" },
260 { "rx_xon_pause_rcvd" },
261 { "rx_xoff_pause_rcvd" },
262 { "rx_mac_ctrl_rcvd" },
263 { "rx_xoff_entered" },
264 { "rx_frame_too_long_errors" },
266 { "rx_undersize_packets" },
267 { "rx_in_length_errors" },
268 { "rx_out_length_errors" },
269 { "rx_64_or_less_octet_packets" },
270 { "rx_65_to_127_octet_packets" },
271 { "rx_128_to_255_octet_packets" },
272 { "rx_256_to_511_octet_packets" },
273 { "rx_512_to_1023_octet_packets" },
274 { "rx_1024_to_1522_octet_packets" },
275 { "rx_1523_to_2047_octet_packets" },
276 { "rx_2048_to_4095_octet_packets" },
277 { "rx_4096_to_8191_octet_packets" },
278 { "rx_8192_to_9022_octet_packets" },
285 { "tx_flow_control" },
287 { "tx_single_collisions" },
288 { "tx_mult_collisions" },
290 { "tx_excessive_collisions" },
291 { "tx_late_collisions" },
292 { "tx_collide_2times" },
293 { "tx_collide_3times" },
294 { "tx_collide_4times" },
295 { "tx_collide_5times" },
296 { "tx_collide_6times" },
297 { "tx_collide_7times" },
298 { "tx_collide_8times" },
299 { "tx_collide_9times" },
300 { "tx_collide_10times" },
301 { "tx_collide_11times" },
302 { "tx_collide_12times" },
303 { "tx_collide_13times" },
304 { "tx_collide_14times" },
305 { "tx_collide_15times" },
306 { "tx_ucast_packets" },
307 { "tx_mcast_packets" },
308 { "tx_bcast_packets" },
309 { "tx_carrier_sense_errors" },
313 { "dma_writeq_full" },
314 { "dma_write_prioq_full" },
318 { "rx_threshold_hit" },
320 { "dma_readq_full" },
321 { "dma_read_prioq_full" },
322 { "tx_comp_queue_full" },
324 { "ring_set_send_prod_index" },
325 { "ring_status_update" },
327 { "nic_avoided_irqs" },
328 { "nic_tx_threshold_hit" }
331 static const struct {
332 const char string[ETH_GSTRING_LEN];
333 } ethtool_test_keys[TG3_NUM_TEST] = {
334 { "nvram test (online) " },
335 { "link test (online) " },
336 { "register test (offline)" },
337 { "memory test (offline)" },
338 { "loopback test (offline)" },
339 { "interrupt test (offline)" },
342 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
344 writel(val, tp->regs + off);
347 static u32 tg3_read32(struct tg3 *tp, u32 off)
349 return (readl(tp->regs + off));
352 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
354 writel(val, tp->aperegs + off);
357 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
359 return (readl(tp->aperegs + off));
362 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
366 spin_lock_irqsave(&tp->indirect_lock, flags);
367 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
368 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
369 spin_unlock_irqrestore(&tp->indirect_lock, flags);
372 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
374 writel(val, tp->regs + off);
375 readl(tp->regs + off);
378 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
383 spin_lock_irqsave(&tp->indirect_lock, flags);
384 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
385 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
386 spin_unlock_irqrestore(&tp->indirect_lock, flags);
390 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
394 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
395 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
396 TG3_64BIT_REG_LOW, val);
399 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
400 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
401 TG3_64BIT_REG_LOW, val);
405 spin_lock_irqsave(&tp->indirect_lock, flags);
406 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
407 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
408 spin_unlock_irqrestore(&tp->indirect_lock, flags);
410 /* In indirect mode when disabling interrupts, we also need
411 * to clear the interrupt bit in the GRC local ctrl register.
413 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
415 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
416 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
420 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
425 spin_lock_irqsave(&tp->indirect_lock, flags);
426 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
427 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
428 spin_unlock_irqrestore(&tp->indirect_lock, flags);
432 /* usec_wait specifies the wait time in usec when writing to certain registers
433 * where it is unsafe to read back the register without some delay.
434 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
435 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
437 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
439 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
440 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
441 /* Non-posted methods */
442 tp->write32(tp, off, val);
445 tg3_write32(tp, off, val);
450 /* Wait again after the read for the posted method to guarantee that
451 * the wait time is met.
457 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
459 tp->write32_mbox(tp, off, val);
460 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
461 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
462 tp->read32_mbox(tp, off);
465 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
467 void __iomem *mbox = tp->regs + off;
469 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
471 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
475 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
477 return (readl(tp->regs + off + GRCMBOX_BASE));
480 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
482 writel(val, tp->regs + off + GRCMBOX_BASE);
485 #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
486 #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
487 #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
488 #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
489 #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
491 #define tw32(reg,val) tp->write32(tp, reg, val)
492 #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
493 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
494 #define tr32(reg) tp->read32(tp, reg)
496 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
500 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
501 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
504 spin_lock_irqsave(&tp->indirect_lock, flags);
505 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
506 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
507 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
509 /* Always leave this as zero. */
510 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
512 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
513 tw32_f(TG3PCI_MEM_WIN_DATA, val);
515 /* Always leave this as zero. */
516 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
518 spin_unlock_irqrestore(&tp->indirect_lock, flags);
521 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
525 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
526 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
531 spin_lock_irqsave(&tp->indirect_lock, flags);
532 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
533 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
534 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
536 /* Always leave this as zero. */
537 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
539 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
540 *val = tr32(TG3PCI_MEM_WIN_DATA);
542 /* Always leave this as zero. */
543 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
545 spin_unlock_irqrestore(&tp->indirect_lock, flags);
548 static void tg3_ape_lock_init(struct tg3 *tp)
552 /* Make sure the driver hasn't any stale locks. */
553 for (i = 0; i < 8; i++)
554 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
555 APE_LOCK_GRANT_DRIVER);
558 static int tg3_ape_lock(struct tg3 *tp, int locknum)
564 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
568 case TG3_APE_LOCK_GRC:
569 case TG3_APE_LOCK_MEM:
577 tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
579 /* Wait for up to 1 millisecond to acquire lock. */
580 for (i = 0; i < 100; i++) {
581 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
582 if (status == APE_LOCK_GRANT_DRIVER)
587 if (status != APE_LOCK_GRANT_DRIVER) {
588 /* Revoke the lock request. */
589 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
590 APE_LOCK_GRANT_DRIVER);
598 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
602 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
606 case TG3_APE_LOCK_GRC:
607 case TG3_APE_LOCK_MEM:
614 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
617 static void tg3_disable_ints(struct tg3 *tp)
621 tw32(TG3PCI_MISC_HOST_CTRL,
622 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
623 for (i = 0; i < tp->irq_max; i++)
624 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
627 static void tg3_enable_ints(struct tg3 *tp)
635 tw32(TG3PCI_MISC_HOST_CTRL,
636 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
638 for (i = 0; i < tp->irq_cnt; i++) {
639 struct tg3_napi *tnapi = &tp->napi[i];
640 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
641 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
642 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
644 coal_now |= tnapi->coal_now;
647 /* Force an initial interrupt */
648 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
649 (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
650 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
652 tw32(HOSTCC_MODE, tp->coalesce_mode |
653 HOSTCC_MODE_ENABLE | coal_now);
656 static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
658 struct tg3 *tp = tnapi->tp;
659 struct tg3_hw_status *sblk = tnapi->hw_status;
660 unsigned int work_exists = 0;
662 /* check for phy events */
663 if (!(tp->tg3_flags &
664 (TG3_FLAG_USE_LINKCHG_REG |
665 TG3_FLAG_POLL_SERDES))) {
666 if (sblk->status & SD_STATUS_LINK_CHG)
669 /* check for RX/TX work to do */
670 if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
671 *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
678 * similar to tg3_enable_ints, but it accurately determines whether there
679 * is new work pending and can return without flushing the PIO write
680 * which reenables interrupts
682 static void tg3_int_reenable(struct tg3_napi *tnapi)
684 struct tg3 *tp = tnapi->tp;
686 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
689 /* When doing tagged status, this work check is unnecessary.
690 * The last_tag we write above tells the chip which piece of
691 * work we've completed.
693 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
695 tw32(HOSTCC_MODE, tp->coalesce_mode |
696 HOSTCC_MODE_ENABLE | tnapi->coal_now);
699 static void tg3_napi_disable(struct tg3 *tp)
703 for (i = tp->irq_cnt - 1; i >= 0; i--)
704 napi_disable(&tp->napi[i].napi);
707 static void tg3_napi_enable(struct tg3 *tp)
711 for (i = 0; i < tp->irq_cnt; i++)
712 napi_enable(&tp->napi[i].napi);
715 static inline void tg3_netif_stop(struct tg3 *tp)
717 tp->dev->trans_start = jiffies; /* prevent tx timeout */
718 tg3_napi_disable(tp);
719 netif_tx_disable(tp->dev);
722 static inline void tg3_netif_start(struct tg3 *tp)
724 /* NOTE: unconditional netif_tx_wake_all_queues is only
725 * appropriate so long as all callers are assured to
726 * have free tx slots (such as after tg3_init_hw)
728 netif_tx_wake_all_queues(tp->dev);
731 tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
735 static void tg3_switch_clocks(struct tg3 *tp)
740 if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
741 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
744 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
746 orig_clock_ctrl = clock_ctrl;
747 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
748 CLOCK_CTRL_CLKRUN_OENABLE |
750 tp->pci_clock_ctrl = clock_ctrl;
752 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
753 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
754 tw32_wait_f(TG3PCI_CLOCK_CTRL,
755 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
757 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
758 tw32_wait_f(TG3PCI_CLOCK_CTRL,
760 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
762 tw32_wait_f(TG3PCI_CLOCK_CTRL,
763 clock_ctrl | (CLOCK_CTRL_ALTCLK),
766 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
769 #define PHY_BUSY_LOOPS 5000
771 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
777 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
779 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
785 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
786 MI_COM_PHY_ADDR_MASK);
787 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
788 MI_COM_REG_ADDR_MASK);
789 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
791 tw32_f(MAC_MI_COM, frame_val);
793 loops = PHY_BUSY_LOOPS;
796 frame_val = tr32(MAC_MI_COM);
798 if ((frame_val & MI_COM_BUSY) == 0) {
800 frame_val = tr32(MAC_MI_COM);
808 *val = frame_val & MI_COM_DATA_MASK;
812 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
813 tw32_f(MAC_MI_MODE, tp->mi_mode);
820 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
826 if ((tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
827 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
830 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
832 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
836 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
837 MI_COM_PHY_ADDR_MASK);
838 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
839 MI_COM_REG_ADDR_MASK);
840 frame_val |= (val & MI_COM_DATA_MASK);
841 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
843 tw32_f(MAC_MI_COM, frame_val);
845 loops = PHY_BUSY_LOOPS;
848 frame_val = tr32(MAC_MI_COM);
849 if ((frame_val & MI_COM_BUSY) == 0) {
851 frame_val = tr32(MAC_MI_COM);
861 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
862 tw32_f(MAC_MI_MODE, tp->mi_mode);
869 static int tg3_bmcr_reset(struct tg3 *tp)
874 /* OK, reset it, and poll the BMCR_RESET bit until it
875 * clears or we time out.
877 phy_control = BMCR_RESET;
878 err = tg3_writephy(tp, MII_BMCR, phy_control);
884 err = tg3_readphy(tp, MII_BMCR, &phy_control);
888 if ((phy_control & BMCR_RESET) == 0) {
900 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
902 struct tg3 *tp = bp->priv;
905 spin_lock_bh(&tp->lock);
907 if (tg3_readphy(tp, reg, &val))
910 spin_unlock_bh(&tp->lock);
915 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
917 struct tg3 *tp = bp->priv;
920 spin_lock_bh(&tp->lock);
922 if (tg3_writephy(tp, reg, val))
925 spin_unlock_bh(&tp->lock);
930 static int tg3_mdio_reset(struct mii_bus *bp)
935 static void tg3_mdio_config_5785(struct tg3 *tp)
938 struct phy_device *phydev;
940 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
941 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
942 case TG3_PHY_ID_BCM50610:
943 case TG3_PHY_ID_BCM50610M:
944 val = MAC_PHYCFG2_50610_LED_MODES;
946 case TG3_PHY_ID_BCMAC131:
947 val = MAC_PHYCFG2_AC131_LED_MODES;
949 case TG3_PHY_ID_RTL8211C:
950 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
952 case TG3_PHY_ID_RTL8201E:
953 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
959 if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
960 tw32(MAC_PHYCFG2, val);
962 val = tr32(MAC_PHYCFG1);
963 val &= ~(MAC_PHYCFG1_RGMII_INT |
964 MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
965 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
966 tw32(MAC_PHYCFG1, val);
971 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
972 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
973 MAC_PHYCFG2_FMODE_MASK_MASK |
974 MAC_PHYCFG2_GMODE_MASK_MASK |
975 MAC_PHYCFG2_ACT_MASK_MASK |
976 MAC_PHYCFG2_QUAL_MASK_MASK |
977 MAC_PHYCFG2_INBAND_ENABLE;
979 tw32(MAC_PHYCFG2, val);
981 val = tr32(MAC_PHYCFG1);
982 val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
983 MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
984 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
985 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
986 val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
987 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
988 val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
990 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
991 MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
992 tw32(MAC_PHYCFG1, val);
994 val = tr32(MAC_EXT_RGMII_MODE);
995 val &= ~(MAC_RGMII_MODE_RX_INT_B |
996 MAC_RGMII_MODE_RX_QUALITY |
997 MAC_RGMII_MODE_RX_ACTIVITY |
998 MAC_RGMII_MODE_RX_ENG_DET |
999 MAC_RGMII_MODE_TX_ENABLE |
1000 MAC_RGMII_MODE_TX_LOWPWR |
1001 MAC_RGMII_MODE_TX_RESET);
1002 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
1003 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1004 val |= MAC_RGMII_MODE_RX_INT_B |
1005 MAC_RGMII_MODE_RX_QUALITY |
1006 MAC_RGMII_MODE_RX_ACTIVITY |
1007 MAC_RGMII_MODE_RX_ENG_DET;
1008 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1009 val |= MAC_RGMII_MODE_TX_ENABLE |
1010 MAC_RGMII_MODE_TX_LOWPWR |
1011 MAC_RGMII_MODE_TX_RESET;
1013 tw32(MAC_EXT_RGMII_MODE, val);
1016 static void tg3_mdio_start(struct tg3 *tp)
1018 tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1019 tw32_f(MAC_MI_MODE, tp->mi_mode);
1022 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
1023 u32 funcnum, is_serdes;
1025 funcnum = tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC;
1031 is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1035 tp->phy_addr = TG3_PHY_MII_ADDR;
1037 if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1038 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1039 tg3_mdio_config_5785(tp);
1042 static int tg3_mdio_init(struct tg3 *tp)
1046 struct phy_device *phydev;
1050 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1051 (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1054 tp->mdio_bus = mdiobus_alloc();
1055 if (tp->mdio_bus == NULL)
1058 tp->mdio_bus->name = "tg3 mdio bus";
1059 snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1060 (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1061 tp->mdio_bus->priv = tp;
1062 tp->mdio_bus->parent = &tp->pdev->dev;
1063 tp->mdio_bus->read = &tg3_mdio_read;
1064 tp->mdio_bus->write = &tg3_mdio_write;
1065 tp->mdio_bus->reset = &tg3_mdio_reset;
1066 tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
1067 tp->mdio_bus->irq = &tp->mdio_irq[0];
1069 for (i = 0; i < PHY_MAX_ADDR; i++)
1070 tp->mdio_bus->irq[i] = PHY_POLL;
1072 /* The bus registration will look for all the PHYs on the mdio bus.
1073 * Unfortunately, it does not ensure the PHY is powered up before
1074 * accessing the PHY ID registers. A chip reset is the
1075 * quickest way to bring the device back to an operational state..
1077 if (tg3_readphy(tp, MII_BMCR, ®) || (reg & BMCR_PDOWN))
1080 i = mdiobus_register(tp->mdio_bus);
1082 printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
1084 mdiobus_free(tp->mdio_bus);
1088 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1090 if (!phydev || !phydev->drv) {
1091 printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
1092 mdiobus_unregister(tp->mdio_bus);
1093 mdiobus_free(tp->mdio_bus);
1097 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1098 case TG3_PHY_ID_BCM57780:
1099 phydev->interface = PHY_INTERFACE_MODE_GMII;
1100 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1102 case TG3_PHY_ID_BCM50610:
1103 case TG3_PHY_ID_BCM50610M:
1104 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
1105 PHY_BRCM_RX_REFCLK_UNUSED |
1106 PHY_BRCM_DIS_TXCRXC_NOENRGY |
1107 PHY_BRCM_AUTO_PWRDWN_ENABLE;
1108 if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
1109 phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1110 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1111 phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1112 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1113 phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1115 case TG3_PHY_ID_RTL8211C:
1116 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1118 case TG3_PHY_ID_RTL8201E:
1119 case TG3_PHY_ID_BCMAC131:
1120 phydev->interface = PHY_INTERFACE_MODE_MII;
1121 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1122 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
1126 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1128 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1129 tg3_mdio_config_5785(tp);
1134 static void tg3_mdio_fini(struct tg3 *tp)
1136 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1137 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1138 mdiobus_unregister(tp->mdio_bus);
1139 mdiobus_free(tp->mdio_bus);
1143 /* tp->lock is held. */
1144 static inline void tg3_generate_fw_event(struct tg3 *tp)
1148 val = tr32(GRC_RX_CPU_EVENT);
1149 val |= GRC_RX_CPU_DRIVER_EVENT;
1150 tw32_f(GRC_RX_CPU_EVENT, val);
1152 tp->last_event_jiffies = jiffies;
1155 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1157 /* tp->lock is held. */
1158 static void tg3_wait_for_event_ack(struct tg3 *tp)
1161 unsigned int delay_cnt;
1164 /* If enough time has passed, no wait is necessary. */
1165 time_remain = (long)(tp->last_event_jiffies + 1 +
1166 usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1168 if (time_remain < 0)
1171 /* Check if we can shorten the wait time. */
1172 delay_cnt = jiffies_to_usecs(time_remain);
1173 if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1174 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1175 delay_cnt = (delay_cnt >> 3) + 1;
1177 for (i = 0; i < delay_cnt; i++) {
1178 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1184 /* tp->lock is held. */
1185 static void tg3_ump_link_report(struct tg3 *tp)
1190 if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1191 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1194 tg3_wait_for_event_ack(tp);
1196 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1198 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1201 if (!tg3_readphy(tp, MII_BMCR, ®))
1203 if (!tg3_readphy(tp, MII_BMSR, ®))
1204 val |= (reg & 0xffff);
1205 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1208 if (!tg3_readphy(tp, MII_ADVERTISE, ®))
1210 if (!tg3_readphy(tp, MII_LPA, ®))
1211 val |= (reg & 0xffff);
1212 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1215 if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1216 if (!tg3_readphy(tp, MII_CTRL1000, ®))
1218 if (!tg3_readphy(tp, MII_STAT1000, ®))
1219 val |= (reg & 0xffff);
1221 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1223 if (!tg3_readphy(tp, MII_PHYADDR, ®))
1227 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1229 tg3_generate_fw_event(tp);
1232 static void tg3_link_report(struct tg3 *tp)
1234 if (!netif_carrier_ok(tp->dev)) {
1235 if (netif_msg_link(tp))
1236 printk(KERN_INFO PFX "%s: Link is down.\n",
1238 tg3_ump_link_report(tp);
1239 } else if (netif_msg_link(tp)) {
1240 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1242 (tp->link_config.active_speed == SPEED_1000 ?
1244 (tp->link_config.active_speed == SPEED_100 ?
1246 (tp->link_config.active_duplex == DUPLEX_FULL ?
1249 printk(KERN_INFO PFX
1250 "%s: Flow control is %s for TX and %s for RX.\n",
1252 (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1254 (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1256 tg3_ump_link_report(tp);
1260 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1264 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1265 miireg = ADVERTISE_PAUSE_CAP;
1266 else if (flow_ctrl & FLOW_CTRL_TX)
1267 miireg = ADVERTISE_PAUSE_ASYM;
1268 else if (flow_ctrl & FLOW_CTRL_RX)
1269 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1276 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1280 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1281 miireg = ADVERTISE_1000XPAUSE;
1282 else if (flow_ctrl & FLOW_CTRL_TX)
1283 miireg = ADVERTISE_1000XPSE_ASYM;
1284 else if (flow_ctrl & FLOW_CTRL_RX)
1285 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1292 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1296 if (lcladv & ADVERTISE_1000XPAUSE) {
1297 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1298 if (rmtadv & LPA_1000XPAUSE)
1299 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1300 else if (rmtadv & LPA_1000XPAUSE_ASYM)
1303 if (rmtadv & LPA_1000XPAUSE)
1304 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1306 } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1307 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1314 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1318 u32 old_rx_mode = tp->rx_mode;
1319 u32 old_tx_mode = tp->tx_mode;
1321 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1322 autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
1324 autoneg = tp->link_config.autoneg;
1326 if (autoneg == AUTONEG_ENABLE &&
1327 (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1328 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1329 flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1331 flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1333 flowctrl = tp->link_config.flowctrl;
1335 tp->link_config.active_flowctrl = flowctrl;
1337 if (flowctrl & FLOW_CTRL_RX)
1338 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1340 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1342 if (old_rx_mode != tp->rx_mode)
1343 tw32_f(MAC_RX_MODE, tp->rx_mode);
1345 if (flowctrl & FLOW_CTRL_TX)
1346 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1348 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1350 if (old_tx_mode != tp->tx_mode)
1351 tw32_f(MAC_TX_MODE, tp->tx_mode);
1354 static void tg3_adjust_link(struct net_device *dev)
1356 u8 oldflowctrl, linkmesg = 0;
1357 u32 mac_mode, lcl_adv, rmt_adv;
1358 struct tg3 *tp = netdev_priv(dev);
1359 struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1361 spin_lock_bh(&tp->lock);
1363 mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1364 MAC_MODE_HALF_DUPLEX);
1366 oldflowctrl = tp->link_config.active_flowctrl;
1372 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1373 mac_mode |= MAC_MODE_PORT_MODE_MII;
1374 else if (phydev->speed == SPEED_1000 ||
1375 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
1376 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1378 mac_mode |= MAC_MODE_PORT_MODE_MII;
1380 if (phydev->duplex == DUPLEX_HALF)
1381 mac_mode |= MAC_MODE_HALF_DUPLEX;
1383 lcl_adv = tg3_advert_flowctrl_1000T(
1384 tp->link_config.flowctrl);
1387 rmt_adv = LPA_PAUSE_CAP;
1388 if (phydev->asym_pause)
1389 rmt_adv |= LPA_PAUSE_ASYM;
1392 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1394 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1396 if (mac_mode != tp->mac_mode) {
1397 tp->mac_mode = mac_mode;
1398 tw32_f(MAC_MODE, tp->mac_mode);
1402 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1403 if (phydev->speed == SPEED_10)
1405 MAC_MI_STAT_10MBPS_MODE |
1406 MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1408 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1411 if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1412 tw32(MAC_TX_LENGTHS,
1413 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1414 (6 << TX_LENGTHS_IPG_SHIFT) |
1415 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1417 tw32(MAC_TX_LENGTHS,
1418 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1419 (6 << TX_LENGTHS_IPG_SHIFT) |
1420 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1422 if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1423 (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1424 phydev->speed != tp->link_config.active_speed ||
1425 phydev->duplex != tp->link_config.active_duplex ||
1426 oldflowctrl != tp->link_config.active_flowctrl)
1429 tp->link_config.active_speed = phydev->speed;
1430 tp->link_config.active_duplex = phydev->duplex;
1432 spin_unlock_bh(&tp->lock);
1435 tg3_link_report(tp);
1438 static int tg3_phy_init(struct tg3 *tp)
1440 struct phy_device *phydev;
1442 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1445 /* Bring the PHY back to a known state. */
1448 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1450 /* Attach the MAC to the PHY. */
1451 phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1452 phydev->dev_flags, phydev->interface);
1453 if (IS_ERR(phydev)) {
1454 printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
1455 return PTR_ERR(phydev);
1458 /* Mask with MAC supported features. */
1459 switch (phydev->interface) {
1460 case PHY_INTERFACE_MODE_GMII:
1461 case PHY_INTERFACE_MODE_RGMII:
1462 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1463 phydev->supported &= (PHY_GBIT_FEATURES |
1465 SUPPORTED_Asym_Pause);
1469 case PHY_INTERFACE_MODE_MII:
1470 phydev->supported &= (PHY_BASIC_FEATURES |
1472 SUPPORTED_Asym_Pause);
1475 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1479 tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
1481 phydev->advertising = phydev->supported;
1486 static void tg3_phy_start(struct tg3 *tp)
1488 struct phy_device *phydev;
1490 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1493 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1495 if (tp->link_config.phy_is_low_power) {
1496 tp->link_config.phy_is_low_power = 0;
1497 phydev->speed = tp->link_config.orig_speed;
1498 phydev->duplex = tp->link_config.orig_duplex;
1499 phydev->autoneg = tp->link_config.orig_autoneg;
1500 phydev->advertising = tp->link_config.orig_advertising;
1505 phy_start_aneg(phydev);
1508 static void tg3_phy_stop(struct tg3 *tp)
1510 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1513 phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1516 static void tg3_phy_fini(struct tg3 *tp)
1518 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
1519 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1520 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1524 static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1526 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1527 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1530 static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1534 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1537 tg3_writephy(tp, MII_TG3_FET_TEST,
1538 phytest | MII_TG3_FET_SHADOW_EN);
1539 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1541 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1543 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1544 tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1546 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1550 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1554 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
1557 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1558 tg3_phy_fet_toggle_apd(tp, enable);
1562 reg = MII_TG3_MISC_SHDW_WREN |
1563 MII_TG3_MISC_SHDW_SCR5_SEL |
1564 MII_TG3_MISC_SHDW_SCR5_LPED |
1565 MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1566 MII_TG3_MISC_SHDW_SCR5_SDTL |
1567 MII_TG3_MISC_SHDW_SCR5_C125OE;
1568 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1569 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1571 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1574 reg = MII_TG3_MISC_SHDW_WREN |
1575 MII_TG3_MISC_SHDW_APD_SEL |
1576 MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1578 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1580 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1583 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1587 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1588 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1591 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
1594 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1595 u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1597 tg3_writephy(tp, MII_TG3_FET_TEST,
1598 ephy | MII_TG3_FET_SHADOW_EN);
1599 if (!tg3_readphy(tp, reg, &phy)) {
1601 phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1603 phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1604 tg3_writephy(tp, reg, phy);
1606 tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
1609 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1610 MII_TG3_AUXCTL_SHDWSEL_MISC;
1611 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1612 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1614 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1616 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1617 phy |= MII_TG3_AUXCTL_MISC_WREN;
1618 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1623 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1627 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1630 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1631 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1632 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1633 (val | (1 << 15) | (1 << 4)));
1636 static void tg3_phy_apply_otp(struct tg3 *tp)
1645 /* Enable SM_DSP clock and tx 6dB coding. */
1646 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1647 MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1648 MII_TG3_AUXCTL_ACTL_TX_6DB;
1649 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1651 phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1652 phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1653 tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1655 phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1656 ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1657 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1659 phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1660 phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1661 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1663 phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1664 tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1666 phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1667 tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1669 phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1670 ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1671 tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1673 /* Turn off SM_DSP clock. */
1674 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1675 MII_TG3_AUXCTL_ACTL_TX_6DB;
1676 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1679 static int tg3_wait_macro_done(struct tg3 *tp)
1686 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1687 if ((tmp32 & 0x1000) == 0)
1697 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1699 static const u32 test_pat[4][6] = {
1700 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1701 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1702 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1703 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1707 for (chan = 0; chan < 4; chan++) {
1710 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1711 (chan * 0x2000) | 0x0200);
1712 tg3_writephy(tp, 0x16, 0x0002);
1714 for (i = 0; i < 6; i++)
1715 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1718 tg3_writephy(tp, 0x16, 0x0202);
1719 if (tg3_wait_macro_done(tp)) {
1724 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1725 (chan * 0x2000) | 0x0200);
1726 tg3_writephy(tp, 0x16, 0x0082);
1727 if (tg3_wait_macro_done(tp)) {
1732 tg3_writephy(tp, 0x16, 0x0802);
1733 if (tg3_wait_macro_done(tp)) {
1738 for (i = 0; i < 6; i += 2) {
1741 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1742 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1743 tg3_wait_macro_done(tp)) {
1749 if (low != test_pat[chan][i] ||
1750 high != test_pat[chan][i+1]) {
1751 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1752 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1753 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1763 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1767 for (chan = 0; chan < 4; chan++) {
1770 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1771 (chan * 0x2000) | 0x0200);
1772 tg3_writephy(tp, 0x16, 0x0002);
1773 for (i = 0; i < 6; i++)
1774 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1775 tg3_writephy(tp, 0x16, 0x0202);
1776 if (tg3_wait_macro_done(tp))
1783 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1785 u32 reg32, phy9_orig;
1786 int retries, do_phy_reset, err;
1792 err = tg3_bmcr_reset(tp);
1798 /* Disable transmitter and interrupt. */
1799 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32))
1803 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1805 /* Set full-duplex, 1000 mbps. */
1806 tg3_writephy(tp, MII_BMCR,
1807 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1809 /* Set to master mode. */
1810 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1813 tg3_writephy(tp, MII_TG3_CTRL,
1814 (MII_TG3_CTRL_AS_MASTER |
1815 MII_TG3_CTRL_ENABLE_AS_MASTER));
1817 /* Enable SM_DSP_CLOCK and 6dB. */
1818 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1820 /* Block the PHY control access. */
1821 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1822 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1824 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1827 } while (--retries);
1829 err = tg3_phy_reset_chanpat(tp);
1833 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1834 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1836 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1837 tg3_writephy(tp, 0x16, 0x0000);
1839 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1840 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1841 /* Set Extended packet length bit for jumbo frames */
1842 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1845 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1848 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1850 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) {
1852 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1859 /* This will reset the tigon3 PHY if there is no valid
1860 * link unless the FORCE argument is non-zero.
1862 static int tg3_phy_reset(struct tg3 *tp)
1868 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1871 val = tr32(GRC_MISC_CFG);
1872 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1875 err = tg3_readphy(tp, MII_BMSR, &phy_status);
1876 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1880 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1881 netif_carrier_off(tp->dev);
1882 tg3_link_report(tp);
1885 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1886 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1887 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1888 err = tg3_phy_reset_5703_4_5(tp);
1895 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1896 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1897 cpmuctrl = tr32(TG3_CPMU_CTRL);
1898 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1900 cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1903 err = tg3_bmcr_reset(tp);
1907 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1910 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1911 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1913 tw32(TG3_CPMU_CTRL, cpmuctrl);
1916 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1917 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1920 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1921 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1922 CPMU_LSPD_1000MB_MACCLK_12_5) {
1923 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1925 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1929 tg3_phy_apply_otp(tp);
1931 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1932 tg3_phy_toggle_apd(tp, true);
1934 tg3_phy_toggle_apd(tp, false);
1937 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1938 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1939 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1940 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1941 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1942 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1943 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1945 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1946 tg3_writephy(tp, 0x1c, 0x8d68);
1947 tg3_writephy(tp, 0x1c, 0x8d68);
1949 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1950 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1951 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1952 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1953 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1954 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1955 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1956 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1957 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1959 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1960 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1961 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1962 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1963 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1964 tg3_writephy(tp, MII_TG3_TEST1,
1965 MII_TG3_TEST1_TRIM_EN | 0x4);
1967 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1968 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1970 /* Set Extended packet length bit (bit 14) on all chips that */
1971 /* support jumbo frames */
1972 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1973 /* Cannot do read-modify-write on 5401 */
1974 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1975 } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1978 /* Set bit 14 with read-modify-write to preserve other bits */
1979 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1980 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1981 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1984 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1985 * jumbo frames transmission.
1987 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
1990 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1991 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1992 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1995 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1996 /* adjust output voltage */
1997 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
2000 tg3_phy_toggle_automdix(tp, 1);
2001 tg3_phy_set_wirespeed(tp);
2005 static void tg3_frob_aux_power(struct tg3 *tp)
2007 struct tg3 *tp_peer = tp;
2009 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
2012 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2013 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
2014 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
2015 struct net_device *dev_peer;
2017 dev_peer = pci_get_drvdata(tp->pdev_peer);
2018 /* remove_one() may have been run on the peer. */
2022 tp_peer = netdev_priv(dev_peer);
2025 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2026 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
2027 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2028 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
2029 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2030 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2031 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2032 (GRC_LCLCTRL_GPIO_OE0 |
2033 GRC_LCLCTRL_GPIO_OE1 |
2034 GRC_LCLCTRL_GPIO_OE2 |
2035 GRC_LCLCTRL_GPIO_OUTPUT0 |
2036 GRC_LCLCTRL_GPIO_OUTPUT1),
2038 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2039 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
2040 /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2041 u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2042 GRC_LCLCTRL_GPIO_OE1 |
2043 GRC_LCLCTRL_GPIO_OE2 |
2044 GRC_LCLCTRL_GPIO_OUTPUT0 |
2045 GRC_LCLCTRL_GPIO_OUTPUT1 |
2047 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2049 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2050 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2052 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2053 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2056 u32 grc_local_ctrl = 0;
2058 if (tp_peer != tp &&
2059 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2062 /* Workaround to prevent overdrawing Amps. */
2063 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2065 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
2066 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2067 grc_local_ctrl, 100);
2070 /* On 5753 and variants, GPIO2 cannot be used. */
2071 no_gpio2 = tp->nic_sram_data_cfg &
2072 NIC_SRAM_DATA_CFG_NO_GPIO2;
2074 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
2075 GRC_LCLCTRL_GPIO_OE1 |
2076 GRC_LCLCTRL_GPIO_OE2 |
2077 GRC_LCLCTRL_GPIO_OUTPUT1 |
2078 GRC_LCLCTRL_GPIO_OUTPUT2;
2080 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2081 GRC_LCLCTRL_GPIO_OUTPUT2);
2083 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2084 grc_local_ctrl, 100);
2086 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2088 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2089 grc_local_ctrl, 100);
2092 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2093 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2094 grc_local_ctrl, 100);
2098 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2099 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2100 if (tp_peer != tp &&
2101 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2104 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2105 (GRC_LCLCTRL_GPIO_OE1 |
2106 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2108 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2109 GRC_LCLCTRL_GPIO_OE1, 100);
2111 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2112 (GRC_LCLCTRL_GPIO_OE1 |
2113 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2118 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2120 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2122 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
2123 if (speed != SPEED_10)
2125 } else if (speed == SPEED_10)
2131 static int tg3_setup_phy(struct tg3 *, int);
2133 #define RESET_KIND_SHUTDOWN 0
2134 #define RESET_KIND_INIT 1
2135 #define RESET_KIND_SUSPEND 2
2137 static void tg3_write_sig_post_reset(struct tg3 *, int);
2138 static int tg3_halt_cpu(struct tg3 *, u32);
2140 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2144 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2145 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2146 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2147 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2150 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2151 tw32(SG_DIG_CTRL, sg_dig_ctrl);
2152 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2157 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2159 val = tr32(GRC_MISC_CFG);
2160 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2163 } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2165 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2168 tg3_writephy(tp, MII_ADVERTISE, 0);
2169 tg3_writephy(tp, MII_BMCR,
2170 BMCR_ANENABLE | BMCR_ANRESTART);
2172 tg3_writephy(tp, MII_TG3_FET_TEST,
2173 phytest | MII_TG3_FET_SHADOW_EN);
2174 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
2175 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
2177 MII_TG3_FET_SHDW_AUXMODE4,
2180 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2183 } else if (do_low_power) {
2184 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2185 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2187 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2188 MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2189 MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2190 MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2191 MII_TG3_AUXCTL_PCTL_VREG_11V);
2194 /* The PHY should not be powered down on some chips because
2197 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2198 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2199 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2200 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2203 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2204 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2205 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2206 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2207 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2208 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2211 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2214 /* tp->lock is held. */
2215 static int tg3_nvram_lock(struct tg3 *tp)
2217 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2220 if (tp->nvram_lock_cnt == 0) {
2221 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2222 for (i = 0; i < 8000; i++) {
2223 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2228 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2232 tp->nvram_lock_cnt++;
2237 /* tp->lock is held. */
2238 static void tg3_nvram_unlock(struct tg3 *tp)
2240 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2241 if (tp->nvram_lock_cnt > 0)
2242 tp->nvram_lock_cnt--;
2243 if (tp->nvram_lock_cnt == 0)
2244 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2248 /* tp->lock is held. */
2249 static void tg3_enable_nvram_access(struct tg3 *tp)
2251 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2252 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2253 u32 nvaccess = tr32(NVRAM_ACCESS);
2255 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2259 /* tp->lock is held. */
2260 static void tg3_disable_nvram_access(struct tg3 *tp)
2262 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2263 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2264 u32 nvaccess = tr32(NVRAM_ACCESS);
2266 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2270 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2271 u32 offset, u32 *val)
2276 if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2279 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2280 EEPROM_ADDR_DEVID_MASK |
2282 tw32(GRC_EEPROM_ADDR,
2284 (0 << EEPROM_ADDR_DEVID_SHIFT) |
2285 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2286 EEPROM_ADDR_ADDR_MASK) |
2287 EEPROM_ADDR_READ | EEPROM_ADDR_START);
2289 for (i = 0; i < 1000; i++) {
2290 tmp = tr32(GRC_EEPROM_ADDR);
2292 if (tmp & EEPROM_ADDR_COMPLETE)
2296 if (!(tmp & EEPROM_ADDR_COMPLETE))
2299 tmp = tr32(GRC_EEPROM_DATA);
2302 * The data will always be opposite the native endian
2303 * format. Perform a blind byteswap to compensate.
2310 #define NVRAM_CMD_TIMEOUT 10000
2312 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2316 tw32(NVRAM_CMD, nvram_cmd);
2317 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2319 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2325 if (i == NVRAM_CMD_TIMEOUT)
2331 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2333 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2334 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2335 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2336 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2337 (tp->nvram_jedecnum == JEDEC_ATMEL))
2339 addr = ((addr / tp->nvram_pagesize) <<
2340 ATMEL_AT45DB0X1B_PAGE_POS) +
2341 (addr % tp->nvram_pagesize);
2346 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2348 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2349 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2350 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2351 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2352 (tp->nvram_jedecnum == JEDEC_ATMEL))
2354 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2355 tp->nvram_pagesize) +
2356 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2361 /* NOTE: Data read in from NVRAM is byteswapped according to
2362 * the byteswapping settings for all other register accesses.
2363 * tg3 devices are BE devices, so on a BE machine, the data
2364 * returned will be exactly as it is seen in NVRAM. On a LE
2365 * machine, the 32-bit value will be byteswapped.
2367 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2371 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2372 return tg3_nvram_read_using_eeprom(tp, offset, val);
2374 offset = tg3_nvram_phys_addr(tp, offset);
2376 if (offset > NVRAM_ADDR_MSK)
2379 ret = tg3_nvram_lock(tp);
2383 tg3_enable_nvram_access(tp);
2385 tw32(NVRAM_ADDR, offset);
2386 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2387 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2390 *val = tr32(NVRAM_RDDATA);
2392 tg3_disable_nvram_access(tp);
2394 tg3_nvram_unlock(tp);
2399 /* Ensures NVRAM data is in bytestream format. */
2400 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2403 int res = tg3_nvram_read(tp, offset, &v);
2405 *val = cpu_to_be32(v);
2409 /* tp->lock is held. */
2410 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2412 u32 addr_high, addr_low;
2415 addr_high = ((tp->dev->dev_addr[0] << 8) |
2416 tp->dev->dev_addr[1]);
2417 addr_low = ((tp->dev->dev_addr[2] << 24) |
2418 (tp->dev->dev_addr[3] << 16) |
2419 (tp->dev->dev_addr[4] << 8) |
2420 (tp->dev->dev_addr[5] << 0));
2421 for (i = 0; i < 4; i++) {
2422 if (i == 1 && skip_mac_1)
2424 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2425 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2428 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2429 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2430 for (i = 0; i < 12; i++) {
2431 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2432 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2436 addr_high = (tp->dev->dev_addr[0] +
2437 tp->dev->dev_addr[1] +
2438 tp->dev->dev_addr[2] +
2439 tp->dev->dev_addr[3] +
2440 tp->dev->dev_addr[4] +
2441 tp->dev->dev_addr[5]) &
2442 TX_BACKOFF_SEED_MASK;
2443 tw32(MAC_TX_BACKOFF_SEED, addr_high);
2446 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2449 bool device_should_wake, do_low_power;
2451 /* Make sure register accesses (indirect or otherwise)
2452 * will function correctly.
2454 pci_write_config_dword(tp->pdev,
2455 TG3PCI_MISC_HOST_CTRL,
2456 tp->misc_host_ctrl);
2460 pci_enable_wake(tp->pdev, state, false);
2461 pci_set_power_state(tp->pdev, PCI_D0);
2463 /* Switch out of Vaux if it is a NIC */
2464 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2465 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2475 printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
2476 tp->dev->name, state);
2480 /* Restore the CLKREQ setting. */
2481 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2484 pci_read_config_word(tp->pdev,
2485 tp->pcie_cap + PCI_EXP_LNKCTL,
2487 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2488 pci_write_config_word(tp->pdev,
2489 tp->pcie_cap + PCI_EXP_LNKCTL,
2493 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2494 tw32(TG3PCI_MISC_HOST_CTRL,
2495 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2497 device_should_wake = pci_pme_capable(tp->pdev, state) &&
2498 device_may_wakeup(&tp->pdev->dev) &&
2499 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2501 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2502 do_low_power = false;
2503 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2504 !tp->link_config.phy_is_low_power) {
2505 struct phy_device *phydev;
2506 u32 phyid, advertising;
2508 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
2510 tp->link_config.phy_is_low_power = 1;
2512 tp->link_config.orig_speed = phydev->speed;
2513 tp->link_config.orig_duplex = phydev->duplex;
2514 tp->link_config.orig_autoneg = phydev->autoneg;
2515 tp->link_config.orig_advertising = phydev->advertising;
2517 advertising = ADVERTISED_TP |
2519 ADVERTISED_Autoneg |
2520 ADVERTISED_10baseT_Half;
2522 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2523 device_should_wake) {
2524 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2526 ADVERTISED_100baseT_Half |
2527 ADVERTISED_100baseT_Full |
2528 ADVERTISED_10baseT_Full;
2530 advertising |= ADVERTISED_10baseT_Full;
2533 phydev->advertising = advertising;
2535 phy_start_aneg(phydev);
2537 phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2538 if (phyid != TG3_PHY_ID_BCMAC131) {
2539 phyid &= TG3_PHY_OUI_MASK;
2540 if (phyid == TG3_PHY_OUI_1 ||
2541 phyid == TG3_PHY_OUI_2 ||
2542 phyid == TG3_PHY_OUI_3)
2543 do_low_power = true;
2547 do_low_power = true;
2549 if (tp->link_config.phy_is_low_power == 0) {
2550 tp->link_config.phy_is_low_power = 1;
2551 tp->link_config.orig_speed = tp->link_config.speed;
2552 tp->link_config.orig_duplex = tp->link_config.duplex;
2553 tp->link_config.orig_autoneg = tp->link_config.autoneg;
2556 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2557 tp->link_config.speed = SPEED_10;
2558 tp->link_config.duplex = DUPLEX_HALF;
2559 tp->link_config.autoneg = AUTONEG_ENABLE;
2560 tg3_setup_phy(tp, 0);
2564 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2567 val = tr32(GRC_VCPU_EXT_CTRL);
2568 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2569 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2573 for (i = 0; i < 200; i++) {
2574 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2575 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2580 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2581 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2582 WOL_DRV_STATE_SHUTDOWN |
2586 if (device_should_wake) {
2589 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
2591 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2595 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2596 mac_mode = MAC_MODE_PORT_MODE_GMII;
2598 mac_mode = MAC_MODE_PORT_MODE_MII;
2600 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2601 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2603 u32 speed = (tp->tg3_flags &
2604 TG3_FLAG_WOL_SPEED_100MB) ?
2605 SPEED_100 : SPEED_10;
2606 if (tg3_5700_link_polarity(tp, speed))
2607 mac_mode |= MAC_MODE_LINK_POLARITY;
2609 mac_mode &= ~MAC_MODE_LINK_POLARITY;
2612 mac_mode = MAC_MODE_PORT_MODE_TBI;
2615 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2616 tw32(MAC_LED_CTRL, tp->led_ctrl);
2618 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2619 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2620 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2621 ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2622 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2623 mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2625 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2626 mac_mode |= tp->mac_mode &
2627 (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2628 if (mac_mode & MAC_MODE_APE_TX_EN)
2629 mac_mode |= MAC_MODE_TDE_ENABLE;
2632 tw32_f(MAC_MODE, mac_mode);
2635 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2639 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2640 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2641 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2644 base_val = tp->pci_clock_ctrl;
2645 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2646 CLOCK_CTRL_TXCLK_DISABLE);
2648 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2649 CLOCK_CTRL_PWRDOWN_PLL133, 40);
2650 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2651 (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2652 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2654 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2655 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2656 u32 newbits1, newbits2;
2658 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2659 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2660 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2661 CLOCK_CTRL_TXCLK_DISABLE |
2663 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2664 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2665 newbits1 = CLOCK_CTRL_625_CORE;
2666 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2668 newbits1 = CLOCK_CTRL_ALTCLK;
2669 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2672 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2675 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2678 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2681 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2682 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2683 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2684 CLOCK_CTRL_TXCLK_DISABLE |
2685 CLOCK_CTRL_44MHZ_CORE);
2687 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2690 tw32_wait_f(TG3PCI_CLOCK_CTRL,
2691 tp->pci_clock_ctrl | newbits3, 40);
2695 if (!(device_should_wake) &&
2696 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2697 tg3_power_down_phy(tp, do_low_power);
2699 tg3_frob_aux_power(tp);
2701 /* Workaround for unstable PLL clock */
2702 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2703 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2704 u32 val = tr32(0x7d00);
2706 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2708 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2711 err = tg3_nvram_lock(tp);
2712 tg3_halt_cpu(tp, RX_CPU_BASE);
2714 tg3_nvram_unlock(tp);
2718 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2720 if (device_should_wake)
2721 pci_enable_wake(tp->pdev, state, true);
2723 /* Finally, set the new power state. */
2724 pci_set_power_state(tp->pdev, state);
2729 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2731 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2732 case MII_TG3_AUX_STAT_10HALF:
2734 *duplex = DUPLEX_HALF;
2737 case MII_TG3_AUX_STAT_10FULL:
2739 *duplex = DUPLEX_FULL;
2742 case MII_TG3_AUX_STAT_100HALF:
2744 *duplex = DUPLEX_HALF;
2747 case MII_TG3_AUX_STAT_100FULL:
2749 *duplex = DUPLEX_FULL;
2752 case MII_TG3_AUX_STAT_1000HALF:
2753 *speed = SPEED_1000;
2754 *duplex = DUPLEX_HALF;
2757 case MII_TG3_AUX_STAT_1000FULL:
2758 *speed = SPEED_1000;
2759 *duplex = DUPLEX_FULL;
2763 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
2764 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2766 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2770 *speed = SPEED_INVALID;
2771 *duplex = DUPLEX_INVALID;
2776 static void tg3_phy_copper_begin(struct tg3 *tp)
2781 if (tp->link_config.phy_is_low_power) {
2782 /* Entering low power mode. Disable gigabit and
2783 * 100baseT advertisements.
2785 tg3_writephy(tp, MII_TG3_CTRL, 0);
2787 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2788 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2789 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2790 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2792 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2793 } else if (tp->link_config.speed == SPEED_INVALID) {
2794 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2795 tp->link_config.advertising &=
2796 ~(ADVERTISED_1000baseT_Half |
2797 ADVERTISED_1000baseT_Full);
2799 new_adv = ADVERTISE_CSMA;
2800 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2801 new_adv |= ADVERTISE_10HALF;
2802 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2803 new_adv |= ADVERTISE_10FULL;
2804 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2805 new_adv |= ADVERTISE_100HALF;
2806 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2807 new_adv |= ADVERTISE_100FULL;
2809 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2811 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2813 if (tp->link_config.advertising &
2814 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2816 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2817 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2818 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2819 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2820 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2821 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2822 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2823 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2824 MII_TG3_CTRL_ENABLE_AS_MASTER);
2825 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2827 tg3_writephy(tp, MII_TG3_CTRL, 0);
2830 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2831 new_adv |= ADVERTISE_CSMA;
2833 /* Asking for a specific link mode. */
2834 if (tp->link_config.speed == SPEED_1000) {
2835 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2837 if (tp->link_config.duplex == DUPLEX_FULL)
2838 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2840 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2841 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2842 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2843 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2844 MII_TG3_CTRL_ENABLE_AS_MASTER);
2846 if (tp->link_config.speed == SPEED_100) {
2847 if (tp->link_config.duplex == DUPLEX_FULL)
2848 new_adv |= ADVERTISE_100FULL;
2850 new_adv |= ADVERTISE_100HALF;
2852 if (tp->link_config.duplex == DUPLEX_FULL)
2853 new_adv |= ADVERTISE_10FULL;
2855 new_adv |= ADVERTISE_10HALF;
2857 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2862 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2865 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2866 tp->link_config.speed != SPEED_INVALID) {
2867 u32 bmcr, orig_bmcr;
2869 tp->link_config.active_speed = tp->link_config.speed;
2870 tp->link_config.active_duplex = tp->link_config.duplex;
2873 switch (tp->link_config.speed) {
2879 bmcr |= BMCR_SPEED100;
2883 bmcr |= TG3_BMCR_SPEED1000;
2887 if (tp->link_config.duplex == DUPLEX_FULL)
2888 bmcr |= BMCR_FULLDPLX;
2890 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2891 (bmcr != orig_bmcr)) {
2892 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2893 for (i = 0; i < 1500; i++) {
2897 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2898 tg3_readphy(tp, MII_BMSR, &tmp))
2900 if (!(tmp & BMSR_LSTATUS)) {
2905 tg3_writephy(tp, MII_BMCR, bmcr);
2909 tg3_writephy(tp, MII_BMCR,
2910 BMCR_ANENABLE | BMCR_ANRESTART);
2914 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2918 /* Turn off tap power management. */
2919 /* Set Extended packet length bit */
2920 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2922 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2923 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2925 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2926 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2928 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2929 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2931 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2932 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2934 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2935 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2942 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2944 u32 adv_reg, all_mask = 0;
2946 if (mask & ADVERTISED_10baseT_Half)
2947 all_mask |= ADVERTISE_10HALF;
2948 if (mask & ADVERTISED_10baseT_Full)
2949 all_mask |= ADVERTISE_10FULL;
2950 if (mask & ADVERTISED_100baseT_Half)
2951 all_mask |= ADVERTISE_100HALF;
2952 if (mask & ADVERTISED_100baseT_Full)
2953 all_mask |= ADVERTISE_100FULL;
2955 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2958 if ((adv_reg & all_mask) != all_mask)
2960 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2964 if (mask & ADVERTISED_1000baseT_Half)
2965 all_mask |= ADVERTISE_1000HALF;
2966 if (mask & ADVERTISED_1000baseT_Full)
2967 all_mask |= ADVERTISE_1000FULL;
2969 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2972 if ((tg3_ctrl & all_mask) != all_mask)
2978 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
2982 if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
2985 curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2986 reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2988 if (tp->link_config.active_duplex == DUPLEX_FULL) {
2989 if (curadv != reqadv)
2992 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
2993 tg3_readphy(tp, MII_LPA, rmtadv);
2995 /* Reprogram the advertisement register, even if it
2996 * does not affect the current link. If the link
2997 * gets renegotiated in the future, we can save an
2998 * additional renegotiation cycle by advertising
2999 * it correctly in the first place.
3001 if (curadv != reqadv) {
3002 *lcladv &= ~(ADVERTISE_PAUSE_CAP |
3003 ADVERTISE_PAUSE_ASYM);
3004 tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
3011 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
3013 int current_link_up;
3015 u32 lcl_adv, rmt_adv;
3023 (MAC_STATUS_SYNC_CHANGED |
3024 MAC_STATUS_CFG_CHANGED |
3025 MAC_STATUS_MI_COMPLETION |
3026 MAC_STATUS_LNKSTATE_CHANGED));
3029 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
3031 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
3035 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
3037 /* Some third-party PHYs need to be reset on link going
3040 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
3041 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
3042 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
3043 netif_carrier_ok(tp->dev)) {
3044 tg3_readphy(tp, MII_BMSR, &bmsr);
3045 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3046 !(bmsr & BMSR_LSTATUS))
3052 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
3053 tg3_readphy(tp, MII_BMSR, &bmsr);
3054 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
3055 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
3058 if (!(bmsr & BMSR_LSTATUS)) {
3059 err = tg3_init_5401phy_dsp(tp);
3063 tg3_readphy(tp, MII_BMSR, &bmsr);
3064 for (i = 0; i < 1000; i++) {
3066 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3067 (bmsr & BMSR_LSTATUS)) {
3073 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
3074 !(bmsr & BMSR_LSTATUS) &&
3075 tp->link_config.active_speed == SPEED_1000) {
3076 err = tg3_phy_reset(tp);
3078 err = tg3_init_5401phy_dsp(tp);
3083 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3084 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3085 /* 5701 {A0,B0} CRC bug workaround */
3086 tg3_writephy(tp, 0x15, 0x0a75);
3087 tg3_writephy(tp, 0x1c, 0x8c68);
3088 tg3_writephy(tp, 0x1c, 0x8d68);
3089 tg3_writephy(tp, 0x1c, 0x8c68);
3092 /* Clear pending interrupts... */
3093 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3094 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
3096 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
3097 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
3098 else if (!(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
3099 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3101 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3102 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3103 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3104 tg3_writephy(tp, MII_TG3_EXT_CTRL,
3105 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3107 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3110 current_link_up = 0;
3111 current_speed = SPEED_INVALID;
3112 current_duplex = DUPLEX_INVALID;
3114 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3117 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3118 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3119 if (!(val & (1 << 10))) {
3121 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3127 for (i = 0; i < 100; i++) {
3128 tg3_readphy(tp, MII_BMSR, &bmsr);
3129 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3130 (bmsr & BMSR_LSTATUS))
3135 if (bmsr & BMSR_LSTATUS) {
3138 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3139 for (i = 0; i < 2000; i++) {
3141 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3146 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3151 for (i = 0; i < 200; i++) {
3152 tg3_readphy(tp, MII_BMCR, &bmcr);
3153 if (tg3_readphy(tp, MII_BMCR, &bmcr))
3155 if (bmcr && bmcr != 0x7fff)
3163 tp->link_config.active_speed = current_speed;
3164 tp->link_config.active_duplex = current_duplex;
3166 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3167 if ((bmcr & BMCR_ANENABLE) &&
3168 tg3_copper_is_advertising_all(tp,
3169 tp->link_config.advertising)) {
3170 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3172 current_link_up = 1;
3175 if (!(bmcr & BMCR_ANENABLE) &&
3176 tp->link_config.speed == current_speed &&
3177 tp->link_config.duplex == current_duplex &&
3178 tp->link_config.flowctrl ==
3179 tp->link_config.active_flowctrl) {
3180 current_link_up = 1;
3184 if (current_link_up == 1 &&
3185 tp->link_config.active_duplex == DUPLEX_FULL)
3186 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3190 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
3193 tg3_phy_copper_begin(tp);
3195 tg3_readphy(tp, MII_BMSR, &tmp);
3196 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3197 (tmp & BMSR_LSTATUS))
3198 current_link_up = 1;
3201 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3202 if (current_link_up == 1) {
3203 if (tp->link_config.active_speed == SPEED_100 ||
3204 tp->link_config.active_speed == SPEED_10)
3205 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3207 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3208 } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)
3209 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3211 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3213 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3214 if (tp->link_config.active_duplex == DUPLEX_HALF)
3215 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3217 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3218 if (current_link_up == 1 &&
3219 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3220 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3222 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3225 /* ??? Without this setting Netgear GA302T PHY does not
3226 * ??? send/receive packets...
3228 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
3229 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3230 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3231 tw32_f(MAC_MI_MODE, tp->mi_mode);
3235 tw32_f(MAC_MODE, tp->mac_mode);
3238 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3239 /* Polled via timer. */
3240 tw32_f(MAC_EVENT, 0);
3242 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3246 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3247 current_link_up == 1 &&
3248 tp->link_config.active_speed == SPEED_1000 &&
3249 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3250 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3253 (MAC_STATUS_SYNC_CHANGED |
3254 MAC_STATUS_CFG_CHANGED));
3257 NIC_SRAM_FIRMWARE_MBOX,
3258 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3261 /* Prevent send BD corruption. */
3262 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3263 u16 oldlnkctl, newlnkctl;
3265 pci_read_config_word(tp->pdev,
3266 tp->pcie_cap + PCI_EXP_LNKCTL,
3268 if (tp->link_config.active_speed == SPEED_100 ||
3269 tp->link_config.active_speed == SPEED_10)
3270 newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3272 newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3273 if (newlnkctl != oldlnkctl)
3274 pci_write_config_word(tp->pdev,
3275 tp->pcie_cap + PCI_EXP_LNKCTL,
3279 if (current_link_up != netif_carrier_ok(tp->dev)) {
3280 if (current_link_up)
3281 netif_carrier_on(tp->dev);
3283 netif_carrier_off(tp->dev);
3284 tg3_link_report(tp);
3290 struct tg3_fiber_aneginfo {
3292 #define ANEG_STATE_UNKNOWN 0
3293 #define ANEG_STATE_AN_ENABLE 1
3294 #define ANEG_STATE_RESTART_INIT 2
3295 #define ANEG_STATE_RESTART 3
3296 #define ANEG_STATE_DISABLE_LINK_OK 4
3297 #define ANEG_STATE_ABILITY_DETECT_INIT 5
3298 #define ANEG_STATE_ABILITY_DETECT 6
3299 #define ANEG_STATE_ACK_DETECT_INIT 7
3300 #define ANEG_STATE_ACK_DETECT 8
3301 #define ANEG_STATE_COMPLETE_ACK_INIT 9
3302 #define ANEG_STATE_COMPLETE_ACK 10
3303 #define ANEG_STATE_IDLE_DETECT_INIT 11
3304 #define ANEG_STATE_IDLE_DETECT 12
3305 #define ANEG_STATE_LINK_OK 13
3306 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
3307 #define ANEG_STATE_NEXT_PAGE_WAIT 15
3310 #define MR_AN_ENABLE 0x00000001
3311 #define MR_RESTART_AN 0x00000002
3312 #define MR_AN_COMPLETE 0x00000004
3313 #define MR_PAGE_RX 0x00000008
3314 #define MR_NP_LOADED 0x00000010
3315 #define MR_TOGGLE_TX 0x00000020
3316 #define MR_LP_ADV_FULL_DUPLEX 0x00000040
3317 #define MR_LP_ADV_HALF_DUPLEX 0x00000080
3318 #define MR_LP_ADV_SYM_PAUSE 0x00000100
3319 #define MR_LP_ADV_ASYM_PAUSE 0x00000200
3320 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3321 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3322 #define MR_LP_ADV_NEXT_PAGE 0x00001000
3323 #define MR_TOGGLE_RX 0x00002000
3324 #define MR_NP_RX 0x00004000
3326 #define MR_LINK_OK 0x80000000
3328 unsigned long link_time, cur_time;
3330 u32 ability_match_cfg;
3331 int ability_match_count;
3333 char ability_match, idle_match, ack_match;
3335 u32 txconfig, rxconfig;
3336 #define ANEG_CFG_NP 0x00000080
3337 #define ANEG_CFG_ACK 0x00000040
3338 #define ANEG_CFG_RF2 0x00000020
3339 #define ANEG_CFG_RF1 0x00000010
3340 #define ANEG_CFG_PS2 0x00000001
3341 #define ANEG_CFG_PS1 0x00008000
3342 #define ANEG_CFG_HD 0x00004000
3343 #define ANEG_CFG_FD 0x00002000
3344 #define ANEG_CFG_INVAL 0x00001f06
3349 #define ANEG_TIMER_ENAB 2
3350 #define ANEG_FAILED -1
3352 #define ANEG_STATE_SETTLE_TIME 10000
3354 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3355 struct tg3_fiber_aneginfo *ap)
3358 unsigned long delta;
3362 if (ap->state == ANEG_STATE_UNKNOWN) {
3366 ap->ability_match_cfg = 0;
3367 ap->ability_match_count = 0;
3368 ap->ability_match = 0;
3374 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3375 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3377 if (rx_cfg_reg != ap->ability_match_cfg) {
3378 ap->ability_match_cfg = rx_cfg_reg;
3379 ap->ability_match = 0;
3380 ap->ability_match_count = 0;
3382 if (++ap->ability_match_count > 1) {
3383 ap->ability_match = 1;
3384 ap->ability_match_cfg = rx_cfg_reg;
3387 if (rx_cfg_reg & ANEG_CFG_ACK)
3395 ap->ability_match_cfg = 0;
3396 ap->ability_match_count = 0;
3397 ap->ability_match = 0;
3403 ap->rxconfig = rx_cfg_reg;
3407 case ANEG_STATE_UNKNOWN:
3408 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3409 ap->state = ANEG_STATE_AN_ENABLE;
3412 case ANEG_STATE_AN_ENABLE:
3413 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3414 if (ap->flags & MR_AN_ENABLE) {
3417 ap->ability_match_cfg = 0;
3418 ap->ability_match_count = 0;
3419 ap->ability_match = 0;
3423 ap->state = ANEG_STATE_RESTART_INIT;
3425 ap->state = ANEG_STATE_DISABLE_LINK_OK;
3429 case ANEG_STATE_RESTART_INIT:
3430 ap->link_time = ap->cur_time;
3431 ap->flags &= ~(MR_NP_LOADED);
3433 tw32(MAC_TX_AUTO_NEG, 0);
3434 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3435 tw32_f(MAC_MODE, tp->mac_mode);
3438 ret = ANEG_TIMER_ENAB;
3439 ap->state = ANEG_STATE_RESTART;
3442 case ANEG_STATE_RESTART:
3443 delta = ap->cur_time - ap->link_time;
3444 if (delta > ANEG_STATE_SETTLE_TIME) {
3445 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3447 ret = ANEG_TIMER_ENAB;
3451 case ANEG_STATE_DISABLE_LINK_OK:
3455 case ANEG_STATE_ABILITY_DETECT_INIT:
3456 ap->flags &= ~(MR_TOGGLE_TX);
3457 ap->txconfig = ANEG_CFG_FD;
3458 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3459 if (flowctrl & ADVERTISE_1000XPAUSE)
3460 ap->txconfig |= ANEG_CFG_PS1;
3461 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3462 ap->txconfig |= ANEG_CFG_PS2;
3463 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3464 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3465 tw32_f(MAC_MODE, tp->mac_mode);
3468 ap->state = ANEG_STATE_ABILITY_DETECT;
3471 case ANEG_STATE_ABILITY_DETECT:
3472 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3473 ap->state = ANEG_STATE_ACK_DETECT_INIT;
3477 case ANEG_STATE_ACK_DETECT_INIT:
3478 ap->txconfig |= ANEG_CFG_ACK;
3479 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3480 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3481 tw32_f(MAC_MODE, tp->mac_mode);
3484 ap->state = ANEG_STATE_ACK_DETECT;
3487 case ANEG_STATE_ACK_DETECT:
3488 if (ap->ack_match != 0) {
3489 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3490 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3491 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3493 ap->state = ANEG_STATE_AN_ENABLE;
3495 } else if (ap->ability_match != 0 &&
3496 ap->rxconfig == 0) {
3497 ap->state = ANEG_STATE_AN_ENABLE;
3501 case ANEG_STATE_COMPLETE_ACK_INIT:
3502 if (ap->rxconfig & ANEG_CFG_INVAL) {
3506 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3507 MR_LP_ADV_HALF_DUPLEX |
3508 MR_LP_ADV_SYM_PAUSE |
3509 MR_LP_ADV_ASYM_PAUSE |
3510 MR_LP_ADV_REMOTE_FAULT1 |
3511 MR_LP_ADV_REMOTE_FAULT2 |
3512 MR_LP_ADV_NEXT_PAGE |
3515 if (ap->rxconfig & ANEG_CFG_FD)
3516 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3517 if (ap->rxconfig & ANEG_CFG_HD)
3518 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3519 if (ap->rxconfig & ANEG_CFG_PS1)
3520 ap->flags |= MR_LP_ADV_SYM_PAUSE;
3521 if (ap->rxconfig & ANEG_CFG_PS2)
3522 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3523 if (ap->rxconfig & ANEG_CFG_RF1)
3524 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3525 if (ap->rxconfig & ANEG_CFG_RF2)
3526 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3527 if (ap->rxconfig & ANEG_CFG_NP)
3528 ap->flags |= MR_LP_ADV_NEXT_PAGE;
3530 ap->link_time = ap->cur_time;
3532 ap->flags ^= (MR_TOGGLE_TX);
3533 if (ap->rxconfig & 0x0008)
3534 ap->flags |= MR_TOGGLE_RX;
3535 if (ap->rxconfig & ANEG_CFG_NP)
3536 ap->flags |= MR_NP_RX;
3537 ap->flags |= MR_PAGE_RX;
3539 ap->state = ANEG_STATE_COMPLETE_ACK;
3540 ret = ANEG_TIMER_ENAB;
3543 case ANEG_STATE_COMPLETE_ACK:
3544 if (ap->ability_match != 0 &&
3545 ap->rxconfig == 0) {
3546 ap->state = ANEG_STATE_AN_ENABLE;
3549 delta = ap->cur_time - ap->link_time;
3550 if (delta > ANEG_STATE_SETTLE_TIME) {
3551 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3552 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3554 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3555 !(ap->flags & MR_NP_RX)) {
3556 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3564 case ANEG_STATE_IDLE_DETECT_INIT:
3565 ap->link_time = ap->cur_time;
3566 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3567 tw32_f(MAC_MODE, tp->mac_mode);
3570 ap->state = ANEG_STATE_IDLE_DETECT;
3571 ret = ANEG_TIMER_ENAB;
3574 case ANEG_STATE_IDLE_DETECT:
3575 if (ap->ability_match != 0 &&
3576 ap->rxconfig == 0) {
3577 ap->state = ANEG_STATE_AN_ENABLE;
3580 delta = ap->cur_time - ap->link_time;
3581 if (delta > ANEG_STATE_SETTLE_TIME) {
3582 /* XXX another gem from the Broadcom driver :( */
3583 ap->state = ANEG_STATE_LINK_OK;
3587 case ANEG_STATE_LINK_OK:
3588 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3592 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3593 /* ??? unimplemented */
3596 case ANEG_STATE_NEXT_PAGE_WAIT:
3597 /* ??? unimplemented */
3608 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3611 struct tg3_fiber_aneginfo aninfo;
3612 int status = ANEG_FAILED;
3616 tw32_f(MAC_TX_AUTO_NEG, 0);
3618 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3619 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3622 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3625 memset(&aninfo, 0, sizeof(aninfo));
3626 aninfo.flags |= MR_AN_ENABLE;
3627 aninfo.state = ANEG_STATE_UNKNOWN;
3628 aninfo.cur_time = 0;
3630 while (++tick < 195000) {
3631 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3632 if (status == ANEG_DONE || status == ANEG_FAILED)
3638 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3639 tw32_f(MAC_MODE, tp->mac_mode);
3642 *txflags = aninfo.txconfig;
3643 *rxflags = aninfo.flags;
3645 if (status == ANEG_DONE &&
3646 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3647 MR_LP_ADV_FULL_DUPLEX)))
3653 static void tg3_init_bcm8002(struct tg3 *tp)
3655 u32 mac_status = tr32(MAC_STATUS);
3658 /* Reset when initting first time or we have a link. */
3659 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3660 !(mac_status & MAC_STATUS_PCS_SYNCED))
3663 /* Set PLL lock range. */
3664 tg3_writephy(tp, 0x16, 0x8007);
3667 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3669 /* Wait for reset to complete. */
3670 /* XXX schedule_timeout() ... */
3671 for (i = 0; i < 500; i++)
3674 /* Config mode; select PMA/Ch 1 regs. */
3675 tg3_writephy(tp, 0x10, 0x8411);
3677 /* Enable auto-lock and comdet, select txclk for tx. */
3678 tg3_writephy(tp, 0x11, 0x0a10);
3680 tg3_writephy(tp, 0x18, 0x00a0);
3681 tg3_writephy(tp, 0x16, 0x41ff);
3683 /* Assert and deassert POR. */
3684 tg3_writephy(tp, 0x13, 0x0400);
3686 tg3_writephy(tp, 0x13, 0x0000);
3688 tg3_writephy(tp, 0x11, 0x0a50);
3690 tg3_writephy(tp, 0x11, 0x0a10);
3692 /* Wait for signal to stabilize */
3693 /* XXX schedule_timeout() ... */
3694 for (i = 0; i < 15000; i++)
3697 /* Deselect the channel register so we can read the PHYID
3700 tg3_writephy(tp, 0x10, 0x8011);
3703 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3706 u32 sg_dig_ctrl, sg_dig_status;
3707 u32 serdes_cfg, expected_sg_dig_ctrl;
3708 int workaround, port_a;
3709 int current_link_up;
3712 expected_sg_dig_ctrl = 0;
3715 current_link_up = 0;
3717 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3718 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3720 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3723 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3724 /* preserve bits 20-23 for voltage regulator */
3725 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3728 sg_dig_ctrl = tr32(SG_DIG_CTRL);
3730 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3731 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3733 u32 val = serdes_cfg;
3739 tw32_f(MAC_SERDES_CFG, val);
3742 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3744 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3745 tg3_setup_flow_control(tp, 0, 0);
3746 current_link_up = 1;
3751 /* Want auto-negotiation. */
3752 expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3754 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3755 if (flowctrl & ADVERTISE_1000XPAUSE)
3756 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3757 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3758 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3760 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3761 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3762 tp->serdes_counter &&
3763 ((mac_status & (MAC_STATUS_PCS_SYNCED |
3764 MAC_STATUS_RCVD_CFG)) ==
3765 MAC_STATUS_PCS_SYNCED)) {
3766 tp->serdes_counter--;
3767 current_link_up = 1;
3772 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3773 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3775 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3777 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3778 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3779 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3780 MAC_STATUS_SIGNAL_DET)) {
3781 sg_dig_status = tr32(SG_DIG_STATUS);
3782 mac_status = tr32(MAC_STATUS);
3784 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3785 (mac_status & MAC_STATUS_PCS_SYNCED)) {
3786 u32 local_adv = 0, remote_adv = 0;
3788 if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3789 local_adv |= ADVERTISE_1000XPAUSE;
3790 if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3791 local_adv |= ADVERTISE_1000XPSE_ASYM;
3793 if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3794 remote_adv |= LPA_1000XPAUSE;
3795 if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3796 remote_adv |= LPA_1000XPAUSE_ASYM;
3798 tg3_setup_flow_control(tp, local_adv, remote_adv);
3799 current_link_up = 1;
3800 tp->serdes_counter = 0;
3801 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3802 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3803 if (tp->serdes_counter)
3804 tp->serdes_counter--;
3807 u32 val = serdes_cfg;
3814 tw32_f(MAC_SERDES_CFG, val);
3817 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3820 /* Link parallel detection - link is up */
3821 /* only if we have PCS_SYNC and not */
3822 /* receiving config code words */
3823 mac_status = tr32(MAC_STATUS);
3824 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3825 !(mac_status & MAC_STATUS_RCVD_CFG)) {
3826 tg3_setup_flow_control(tp, 0, 0);
3827 current_link_up = 1;
3829 TG3_FLG2_PARALLEL_DETECT;
3830 tp->serdes_counter =
3831 SERDES_PARALLEL_DET_TIMEOUT;
3833 goto restart_autoneg;
3837 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3838 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3842 return current_link_up;
3845 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3847 int current_link_up = 0;
3849 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3852 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3853 u32 txflags, rxflags;
3856 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3857 u32 local_adv = 0, remote_adv = 0;
3859 if (txflags & ANEG_CFG_PS1)
3860 local_adv |= ADVERTISE_1000XPAUSE;
3861 if (txflags & ANEG_CFG_PS2)
3862 local_adv |= ADVERTISE_1000XPSE_ASYM;
3864 if (rxflags & MR_LP_ADV_SYM_PAUSE)
3865 remote_adv |= LPA_1000XPAUSE;
3866 if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3867 remote_adv |= LPA_1000XPAUSE_ASYM;
3869 tg3_setup_flow_control(tp, local_adv, remote_adv);
3871 current_link_up = 1;
3873 for (i = 0; i < 30; i++) {
3876 (MAC_STATUS_SYNC_CHANGED |
3877 MAC_STATUS_CFG_CHANGED));
3879 if ((tr32(MAC_STATUS) &
3880 (MAC_STATUS_SYNC_CHANGED |
3881 MAC_STATUS_CFG_CHANGED)) == 0)
3885 mac_status = tr32(MAC_STATUS);
3886 if (current_link_up == 0 &&
3887 (mac_status & MAC_STATUS_PCS_SYNCED) &&
3888 !(mac_status & MAC_STATUS_RCVD_CFG))
3889 current_link_up = 1;
3891 tg3_setup_flow_control(tp, 0, 0);
3893 /* Forcing 1000FD link up. */
3894 current_link_up = 1;
3896 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3899 tw32_f(MAC_MODE, tp->mac_mode);
3904 return current_link_up;
3907 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3910 u16 orig_active_speed;
3911 u8 orig_active_duplex;
3913 int current_link_up;
3916 orig_pause_cfg = tp->link_config.active_flowctrl;
3917 orig_active_speed = tp->link_config.active_speed;
3918 orig_active_duplex = tp->link_config.active_duplex;
3920 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3921 netif_carrier_ok(tp->dev) &&
3922 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3923 mac_status = tr32(MAC_STATUS);
3924 mac_status &= (MAC_STATUS_PCS_SYNCED |
3925 MAC_STATUS_SIGNAL_DET |
3926 MAC_STATUS_CFG_CHANGED |
3927 MAC_STATUS_RCVD_CFG);
3928 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3929 MAC_STATUS_SIGNAL_DET)) {
3930 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3931 MAC_STATUS_CFG_CHANGED));
3936 tw32_f(MAC_TX_AUTO_NEG, 0);
3938 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3939 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3940 tw32_f(MAC_MODE, tp->mac_mode);
3943 if (tp->phy_id == PHY_ID_BCM8002)
3944 tg3_init_bcm8002(tp);
3946 /* Enable link change event even when serdes polling. */
3947 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3950 current_link_up = 0;
3951 mac_status = tr32(MAC_STATUS);
3953 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3954 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3956 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3958 tp->napi[0].hw_status->status =
3959 (SD_STATUS_UPDATED |
3960 (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
3962 for (i = 0; i < 100; i++) {
3963 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3964 MAC_STATUS_CFG_CHANGED));
3966 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3967 MAC_STATUS_CFG_CHANGED |
3968 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
3972 mac_status = tr32(MAC_STATUS);
3973 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3974 current_link_up = 0;
3975 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3976 tp->serdes_counter == 0) {
3977 tw32_f(MAC_MODE, (tp->mac_mode |
3978 MAC_MODE_SEND_CONFIGS));
3980 tw32_f(MAC_MODE, tp->mac_mode);
3984 if (current_link_up == 1) {
3985 tp->link_config.active_speed = SPEED_1000;
3986 tp->link_config.active_duplex = DUPLEX_FULL;
3987 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3988 LED_CTRL_LNKLED_OVERRIDE |
3989 LED_CTRL_1000MBPS_ON));
3991 tp->link_config.active_speed = SPEED_INVALID;
3992 tp->link_config.active_duplex = DUPLEX_INVALID;
3993 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3994 LED_CTRL_LNKLED_OVERRIDE |
3995 LED_CTRL_TRAFFIC_OVERRIDE));
3998 if (current_link_up != netif_carrier_ok(tp->dev)) {
3999 if (current_link_up)
4000 netif_carrier_on(tp->dev);
4002 netif_carrier_off(tp->dev);
4003 tg3_link_report(tp);
4005 u32 now_pause_cfg = tp->link_config.active_flowctrl;
4006 if (orig_pause_cfg != now_pause_cfg ||
4007 orig_active_speed != tp->link_config.active_speed ||
4008 orig_active_duplex != tp->link_config.active_duplex)
4009 tg3_link_report(tp);
4015 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
4017 int current_link_up, err = 0;
4021 u32 local_adv, remote_adv;
4023 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4024 tw32_f(MAC_MODE, tp->mac_mode);
4030 (MAC_STATUS_SYNC_CHANGED |
4031 MAC_STATUS_CFG_CHANGED |
4032 MAC_STATUS_MI_COMPLETION |
4033 MAC_STATUS_LNKSTATE_CHANGED));
4039 current_link_up = 0;
4040 current_speed = SPEED_INVALID;
4041 current_duplex = DUPLEX_INVALID;
4043 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4044 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4045 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
4046 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4047 bmsr |= BMSR_LSTATUS;
4049 bmsr &= ~BMSR_LSTATUS;
4052 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4054 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
4055 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4056 /* do nothing, just check for link up at the end */
4057 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4060 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4061 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4062 ADVERTISE_1000XPAUSE |
4063 ADVERTISE_1000XPSE_ASYM |
4066 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
4068 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4069 new_adv |= ADVERTISE_1000XHALF;
4070 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4071 new_adv |= ADVERTISE_1000XFULL;
4073 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4074 tg3_writephy(tp, MII_ADVERTISE, new_adv);
4075 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4076 tg3_writephy(tp, MII_BMCR, bmcr);
4078 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4079 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
4080 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4087 bmcr &= ~BMCR_SPEED1000;
4088 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4090 if (tp->link_config.duplex == DUPLEX_FULL)
4091 new_bmcr |= BMCR_FULLDPLX;
4093 if (new_bmcr != bmcr) {
4094 /* BMCR_SPEED1000 is a reserved bit that needs
4095 * to be set on write.
4097 new_bmcr |= BMCR_SPEED1000;
4099 /* Force a linkdown */
4100 if (netif_carrier_ok(tp->dev)) {
4103 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4104 adv &= ~(ADVERTISE_1000XFULL |
4105 ADVERTISE_1000XHALF |
4107 tg3_writephy(tp, MII_ADVERTISE, adv);
4108 tg3_writephy(tp, MII_BMCR, bmcr |
4112 netif_carrier_off(tp->dev);
4114 tg3_writephy(tp, MII_BMCR, new_bmcr);
4116 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4117 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4118 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4120 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4121 bmsr |= BMSR_LSTATUS;
4123 bmsr &= ~BMSR_LSTATUS;
4125 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4129 if (bmsr & BMSR_LSTATUS) {
4130 current_speed = SPEED_1000;
4131 current_link_up = 1;
4132 if (bmcr & BMCR_FULLDPLX)
4133 current_duplex = DUPLEX_FULL;
4135 current_duplex = DUPLEX_HALF;
4140 if (bmcr & BMCR_ANENABLE) {
4143 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4144 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4145 common = local_adv & remote_adv;
4146 if (common & (ADVERTISE_1000XHALF |
4147 ADVERTISE_1000XFULL)) {
4148 if (common & ADVERTISE_1000XFULL)
4149 current_duplex = DUPLEX_FULL;
4151 current_duplex = DUPLEX_HALF;
4154 current_link_up = 0;
4158 if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4159 tg3_setup_flow_control(tp, local_adv, remote_adv);
4161 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4162 if (tp->link_config.active_duplex == DUPLEX_HALF)
4163 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4165 tw32_f(MAC_MODE, tp->mac_mode);
4168 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4170 tp->link_config.active_speed = current_speed;
4171 tp->link_config.active_duplex = current_duplex;
4173 if (current_link_up != netif_carrier_ok(tp->dev)) {
4174 if (current_link_up)
4175 netif_carrier_on(tp->dev);
4177 netif_carrier_off(tp->dev);
4178 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4180 tg3_link_report(tp);
4185 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4187 if (tp->serdes_counter) {
4188 /* Give autoneg time to complete. */
4189 tp->serdes_counter--;
4192 if (!netif_carrier_ok(tp->dev) &&
4193 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4196 tg3_readphy(tp, MII_BMCR, &bmcr);
4197 if (bmcr & BMCR_ANENABLE) {
4200 /* Select shadow register 0x1f */
4201 tg3_writephy(tp, 0x1c, 0x7c00);
4202 tg3_readphy(tp, 0x1c, &phy1);
4204 /* Select expansion interrupt status register */
4205 tg3_writephy(tp, 0x17, 0x0f01);
4206 tg3_readphy(tp, 0x15, &phy2);
4207 tg3_readphy(tp, 0x15, &phy2);
4209 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4210 /* We have signal detect and not receiving
4211 * config code words, link is up by parallel
4215 bmcr &= ~BMCR_ANENABLE;
4216 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4217 tg3_writephy(tp, MII_BMCR, bmcr);
4218 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4222 else if (netif_carrier_ok(tp->dev) &&
4223 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4224 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4227 /* Select expansion interrupt status register */
4228 tg3_writephy(tp, 0x17, 0x0f01);
4229 tg3_readphy(tp, 0x15, &phy2);
4233 /* Config code words received, turn on autoneg. */
4234 tg3_readphy(tp, MII_BMCR, &bmcr);
4235 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4237 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4243 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4247 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4248 err = tg3_setup_fiber_phy(tp, force_reset);
4249 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4250 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4252 err = tg3_setup_copper_phy(tp, force_reset);
4255 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4258 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4259 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4261 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4266 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4267 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4268 tw32(GRC_MISC_CFG, val);
4271 if (tp->link_config.active_speed == SPEED_1000 &&
4272 tp->link_config.active_duplex == DUPLEX_HALF)
4273 tw32(MAC_TX_LENGTHS,
4274 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4275 (6 << TX_LENGTHS_IPG_SHIFT) |
4276 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4278 tw32(MAC_TX_LENGTHS,
4279 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4280 (6 << TX_LENGTHS_IPG_SHIFT) |
4281 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4283 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4284 if (netif_carrier_ok(tp->dev)) {
4285 tw32(HOSTCC_STAT_COAL_TICKS,
4286 tp->coal.stats_block_coalesce_usecs);
4288 tw32(HOSTCC_STAT_COAL_TICKS, 0);
4292 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4293 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4294 if (!netif_carrier_ok(tp->dev))
4295 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4298 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4299 tw32(PCIE_PWR_MGMT_THRESH, val);
4305 /* This is called whenever we suspect that the system chipset is re-
4306 * ordering the sequence of MMIO to the tx send mailbox. The symptom
4307 * is bogus tx completions. We try to recover by setting the
4308 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4311 static void tg3_tx_recover(struct tg3 *tp)
4313 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4314 tp->write32_tx_mbox == tg3_write_indirect_mbox);
4316 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
4317 "mapped I/O cycles to the network device, attempting to "
4318 "recover. Please report the problem to the driver maintainer "
4319 "and include system chipset information.\n", tp->dev->name);
4321 spin_lock(&tp->lock);
4322 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4323 spin_unlock(&tp->lock);
4326 static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
4329 return tnapi->tx_pending -
4330 ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
4333 /* Tigon3 never reports partial packet sends. So we do not
4334 * need special logic to handle SKBs that have not had all
4335 * of their frags sent yet, like SunGEM does.
4337 static void tg3_tx(struct tg3_napi *tnapi)
4339 struct tg3 *tp = tnapi->tp;
4340 u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
4341 u32 sw_idx = tnapi->tx_cons;
4342 struct netdev_queue *txq;
4343 int index = tnapi - tp->napi;
4345 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
4348 txq = netdev_get_tx_queue(tp->dev, index);
4350 while (sw_idx != hw_idx) {
4351 struct tx_ring_info *ri = &tnapi->tx_buffers[sw_idx];
4352 struct sk_buff *skb = ri->skb;
4355 if (unlikely(skb == NULL)) {
4360 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
4364 sw_idx = NEXT_TX(sw_idx);
4366 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4367 ri = &tnapi->tx_buffers[sw_idx];
4368 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4370 sw_idx = NEXT_TX(sw_idx);
4375 if (unlikely(tx_bug)) {
4381 tnapi->tx_cons = sw_idx;
4383 /* Need to make the tx_cons update visible to tg3_start_xmit()
4384 * before checking for netif_queue_stopped(). Without the
4385 * memory barrier, there is a small possibility that tg3_start_xmit()
4386 * will miss it and cause the queue to be stopped forever.
4390 if (unlikely(netif_tx_queue_stopped(txq) &&
4391 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
4392 __netif_tx_lock(txq, smp_processor_id());
4393 if (netif_tx_queue_stopped(txq) &&
4394 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
4395 netif_tx_wake_queue(txq);
4396 __netif_tx_unlock(txq);
4400 /* Returns size of skb allocated or < 0 on error.
4402 * We only need to fill in the address because the other members
4403 * of the RX descriptor are invariant, see tg3_init_rings.
4405 * Note the purposeful assymetry of cpu vs. chip accesses. For
4406 * posting buffers we only dirty the first cache line of the RX
4407 * descriptor (containing the address). Whereas for the RX status
4408 * buffers the cpu only reads the last cacheline of the RX descriptor
4409 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4411 static int tg3_alloc_rx_skb(struct tg3_napi *tnapi,
4412 struct tg3_rx_prodring_set *tpr,
4413 u32 opaque_key, u32 dest_idx_unmasked)
4415 struct tg3 *tp = tnapi->tp;
4416 struct tg3_rx_buffer_desc *desc;
4417 struct ring_info *map, *src_map;
4418 struct sk_buff *skb;
4420 int skb_size, dest_idx;
4423 switch (opaque_key) {
4424 case RXD_OPAQUE_RING_STD:
4425 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4426 desc = &tpr->rx_std[dest_idx];
4427 map = &tpr->rx_std_buffers[dest_idx];
4428 skb_size = tp->rx_pkt_map_sz;
4431 case RXD_OPAQUE_RING_JUMBO:
4432 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4433 desc = &tpr->rx_jmb[dest_idx].std;
4434 map = &tpr->rx_jmb_buffers[dest_idx];
4435 skb_size = TG3_RX_JMB_MAP_SZ;
4442 /* Do not overwrite any of the map or rp information
4443 * until we are sure we can commit to a new buffer.
4445 * Callers depend upon this behavior and assume that
4446 * we leave everything unchanged if we fail.
4448 skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
4452 skb_reserve(skb, tp->rx_offset);
4454 mapping = pci_map_single(tp->pdev, skb->data, skb_size,
4455 PCI_DMA_FROMDEVICE);
4456 if (pci_dma_mapping_error(tp->pdev, mapping)) {
4462 pci_unmap_addr_set(map, mapping, mapping);
4464 desc->addr_hi = ((u64)mapping >> 32);
4465 desc->addr_lo = ((u64)mapping & 0xffffffff);
4470 /* We only need to move over in the address because the other
4471 * members of the RX descriptor are invariant. See notes above
4472 * tg3_alloc_rx_skb for full details.
4474 static void tg3_recycle_rx(struct tg3_napi *tnapi,
4475 struct tg3_rx_prodring_set *dpr,
4476 u32 opaque_key, int src_idx,
4477 u32 dest_idx_unmasked)
4479 struct tg3 *tp = tnapi->tp;
4480 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4481 struct ring_info *src_map, *dest_map;
4483 struct tg3_rx_prodring_set *spr = &tp->prodring[0];
4485 switch (opaque_key) {
4486 case RXD_OPAQUE_RING_STD:
4487 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4488 dest_desc = &dpr->rx_std[dest_idx];
4489 dest_map = &dpr->rx_std_buffers[dest_idx];
4490 src_desc = &spr->rx_std[src_idx];
4491 src_map = &spr->rx_std_buffers[src_idx];
4494 case RXD_OPAQUE_RING_JUMBO:
4495 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4496 dest_desc = &dpr->rx_jmb[dest_idx].std;
4497 dest_map = &dpr->rx_jmb_buffers[dest_idx];
4498 src_desc = &spr->rx_jmb[src_idx].std;
4499 src_map = &spr->rx_jmb_buffers[src_idx];
4506 dest_map->skb = src_map->skb;
4507 pci_unmap_addr_set(dest_map, mapping,
4508 pci_unmap_addr(src_map, mapping));
4509 dest_desc->addr_hi = src_desc->addr_hi;
4510 dest_desc->addr_lo = src_desc->addr_lo;
4511 src_map->skb = NULL;
4514 /* The RX ring scheme is composed of multiple rings which post fresh
4515 * buffers to the chip, and one special ring the chip uses to report
4516 * status back to the host.
4518 * The special ring reports the status of received packets to the
4519 * host. The chip does not write into the original descriptor the
4520 * RX buffer was obtained from. The chip simply takes the original
4521 * descriptor as provided by the host, updates the status and length
4522 * field, then writes this into the next status ring entry.
4524 * Each ring the host uses to post buffers to the chip is described
4525 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
4526 * it is first placed into the on-chip ram. When the packet's length
4527 * is known, it walks down the TG3_BDINFO entries to select the ring.
4528 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4529 * which is within the range of the new packet's length is chosen.
4531 * The "separate ring for rx status" scheme may sound queer, but it makes
4532 * sense from a cache coherency perspective. If only the host writes
4533 * to the buffer post rings, and only the chip writes to the rx status
4534 * rings, then cache lines never move beyond shared-modified state.
4535 * If both the host and chip were to write into the same ring, cache line
4536 * eviction could occur since both entities want it in an exclusive state.
4538 static int tg3_rx(struct tg3_napi *tnapi, int budget)
4540 struct tg3 *tp = tnapi->tp;
4541 u32 work_mask, rx_std_posted = 0;
4542 u32 sw_idx = tnapi->rx_rcb_ptr;
4545 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
4547 hw_idx = *(tnapi->rx_rcb_prod_idx);
4549 * We need to order the read of hw_idx and the read of
4550 * the opaque cookie.
4555 while (sw_idx != hw_idx && budget > 0) {
4556 struct ring_info *ri;
4557 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
4559 struct sk_buff *skb;
4560 dma_addr_t dma_addr;
4561 u32 opaque_key, desc_idx, *post_ptr;
4563 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4564 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4565 if (opaque_key == RXD_OPAQUE_RING_STD) {
4566 ri = &tpr->rx_std_buffers[desc_idx];
4567 dma_addr = pci_unmap_addr(ri, mapping);
4569 post_ptr = &tpr->rx_std_ptr;
4571 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4572 ri = &tpr->rx_jmb_buffers[desc_idx];
4573 dma_addr = pci_unmap_addr(ri, mapping);
4575 post_ptr = &tpr->rx_jmb_ptr;
4577 goto next_pkt_nopost;
4579 work_mask |= opaque_key;
4581 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4582 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4584 tg3_recycle_rx(tnapi, tpr, opaque_key,
4585 desc_idx, *post_ptr);
4587 /* Other statistics kept track of by card. */
4588 tp->net_stats.rx_dropped++;
4592 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4595 if (len > RX_COPY_THRESHOLD
4596 && tp->rx_offset == NET_IP_ALIGN
4597 /* rx_offset will likely not equal NET_IP_ALIGN
4598 * if this is a 5701 card running in PCI-X mode
4599 * [see tg3_get_invariants()]
4604 skb_size = tg3_alloc_rx_skb(tnapi, tpr, opaque_key,
4611 pci_unmap_single(tp->pdev, dma_addr, skb_size,
4612 PCI_DMA_FROMDEVICE);
4616 struct sk_buff *copy_skb;
4618 tg3_recycle_rx(tnapi, tpr, opaque_key,
4619 desc_idx, *post_ptr);
4621 copy_skb = netdev_alloc_skb(tp->dev,
4622 len + TG3_RAW_IP_ALIGN);
4623 if (copy_skb == NULL)
4624 goto drop_it_no_recycle;
4626 skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4627 skb_put(copy_skb, len);
4628 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4629 skb_copy_from_linear_data(skb, copy_skb->data, len);
4630 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4632 /* We'll reuse the original ring buffer. */
4636 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4637 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4638 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4639 >> RXD_TCPCSUM_SHIFT) == 0xffff))
4640 skb->ip_summed = CHECKSUM_UNNECESSARY;
4642 skb->ip_summed = CHECKSUM_NONE;
4644 skb->protocol = eth_type_trans(skb, tp->dev);
4646 if (len > (tp->dev->mtu + ETH_HLEN) &&
4647 skb->protocol != htons(ETH_P_8021Q)) {
4652 #if TG3_VLAN_TAG_USED
4653 if (tp->vlgrp != NULL &&
4654 desc->type_flags & RXD_FLAG_VLAN) {
4655 vlan_gro_receive(&tnapi->napi, tp->vlgrp,
4656 desc->err_vlan & RXD_VLAN_MASK, skb);
4659 napi_gro_receive(&tnapi->napi, skb);
4667 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4668 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
4670 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
4671 TG3_64BIT_REG_LOW, idx);
4672 work_mask &= ~RXD_OPAQUE_RING_STD;
4677 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4679 /* Refresh hw_idx to see if there is new work */
4680 if (sw_idx == hw_idx) {
4681 hw_idx = *(tnapi->rx_rcb_prod_idx);
4686 /* ACK the status ring. */
4687 tnapi->rx_rcb_ptr = sw_idx;
4688 tw32_rx_mbox(tnapi->consmbox, sw_idx);
4690 /* Refill RX ring(s). */
4691 if (work_mask & RXD_OPAQUE_RING_STD) {
4692 sw_idx = tpr->rx_std_ptr % TG3_RX_RING_SIZE;
4693 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
4696 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4697 sw_idx = tpr->rx_jmb_ptr % TG3_RX_JUMBO_RING_SIZE;
4698 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
4706 static void tg3_poll_link(struct tg3 *tp)
4708 /* handle link change and other phy events */
4709 if (!(tp->tg3_flags &
4710 (TG3_FLAG_USE_LINKCHG_REG |
4711 TG3_FLAG_POLL_SERDES))) {
4712 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
4714 if (sblk->status & SD_STATUS_LINK_CHG) {
4715 sblk->status = SD_STATUS_UPDATED |
4716 (sblk->status & ~SD_STATUS_LINK_CHG);
4717 spin_lock(&tp->lock);
4718 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4720 (MAC_STATUS_SYNC_CHANGED |
4721 MAC_STATUS_CFG_CHANGED |
4722 MAC_STATUS_MI_COMPLETION |
4723 MAC_STATUS_LNKSTATE_CHANGED));
4726 tg3_setup_phy(tp, 0);
4727 spin_unlock(&tp->lock);
4732 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
4734 struct tg3 *tp = tnapi->tp;
4736 /* run TX completion thread */
4737 if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
4739 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4743 /* run RX thread, within the bounds set by NAPI.
4744 * All RX "locking" is done by ensuring outside
4745 * code synchronizes with tg3->napi.poll()
4747 if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
4748 work_done += tg3_rx(tnapi, budget - work_done);
4753 static int tg3_poll_msix(struct napi_struct *napi, int budget)
4755 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4756 struct tg3 *tp = tnapi->tp;
4758 struct tg3_hw_status *sblk = tnapi->hw_status;
4761 work_done = tg3_poll_work(tnapi, work_done, budget);
4763 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4766 if (unlikely(work_done >= budget))
4769 /* tp->last_tag is used in tg3_restart_ints() below
4770 * to tell the hw how much work has been processed,
4771 * so we must read it before checking for more work.
4773 tnapi->last_tag = sblk->status_tag;
4774 tnapi->last_irq_tag = tnapi->last_tag;
4777 /* check for RX/TX work to do */
4778 if (sblk->idx[0].tx_consumer == tnapi->tx_cons &&
4779 *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr) {
4780 napi_complete(napi);
4781 /* Reenable interrupts. */
4782 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
4791 /* work_done is guaranteed to be less than budget. */
4792 napi_complete(napi);
4793 schedule_work(&tp->reset_task);
4797 static int tg3_poll(struct napi_struct *napi, int budget)
4799 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
4800 struct tg3 *tp = tnapi->tp;
4802 struct tg3_hw_status *sblk = tnapi->hw_status;
4807 work_done = tg3_poll_work(tnapi, work_done, budget);
4809 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4812 if (unlikely(work_done >= budget))
4815 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
4816 /* tp->last_tag is used in tg3_int_reenable() below
4817 * to tell the hw how much work has been processed,
4818 * so we must read it before checking for more work.
4820 tnapi->last_tag = sblk->status_tag;
4821 tnapi->last_irq_tag = tnapi->last_tag;
4824 sblk->status &= ~SD_STATUS_UPDATED;
4826 if (likely(!tg3_has_work(tnapi))) {
4827 napi_complete(napi);
4828 tg3_int_reenable(tnapi);
4836 /* work_done is guaranteed to be less than budget. */
4837 napi_complete(napi);
4838 schedule_work(&tp->reset_task);
4842 static void tg3_irq_quiesce(struct tg3 *tp)
4846 BUG_ON(tp->irq_sync);
4851 for (i = 0; i < tp->irq_cnt; i++)
4852 synchronize_irq(tp->napi[i].irq_vec);
4855 static inline int tg3_irq_sync(struct tg3 *tp)
4857 return tp->irq_sync;
4860 /* Fully shutdown all tg3 driver activity elsewhere in the system.
4861 * If irq_sync is non-zero, then the IRQ handler must be synchronized
4862 * with as well. Most of the time, this is not necessary except when
4863 * shutting down the device.
4865 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
4867 spin_lock_bh(&tp->lock);
4869 tg3_irq_quiesce(tp);
4872 static inline void tg3_full_unlock(struct tg3 *tp)
4874 spin_unlock_bh(&tp->lock);
4877 /* One-shot MSI handler - Chip automatically disables interrupt
4878 * after sending MSI so driver doesn't have to do it.
4880 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
4882 struct tg3_napi *tnapi = dev_id;
4883 struct tg3 *tp = tnapi->tp;
4885 prefetch(tnapi->hw_status);
4887 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
4889 if (likely(!tg3_irq_sync(tp)))
4890 napi_schedule(&tnapi->napi);
4895 /* MSI ISR - No need to check for interrupt sharing and no need to
4896 * flush status block and interrupt mailbox. PCI ordering rules
4897 * guarantee that MSI will arrive after the status block.
4899 static irqreturn_t tg3_msi(int irq, void *dev_id)
4901 struct tg3_napi *tnapi = dev_id;
4902 struct tg3 *tp = tnapi->tp;
4904 prefetch(tnapi->hw_status);
4906 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
4908 * Writing any value to intr-mbox-0 clears PCI INTA# and
4909 * chip-internal interrupt pending events.
4910 * Writing non-zero to intr-mbox-0 additional tells the
4911 * NIC to stop sending us irqs, engaging "in-intr-handler"
4914 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4915 if (likely(!tg3_irq_sync(tp)))
4916 napi_schedule(&tnapi->napi);
4918 return IRQ_RETVAL(1);
4921 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
4923 struct tg3_napi *tnapi = dev_id;
4924 struct tg3 *tp = tnapi->tp;
4925 struct tg3_hw_status *sblk = tnapi->hw_status;
4926 unsigned int handled = 1;
4928 /* In INTx mode, it is possible for the interrupt to arrive at
4929 * the CPU before the status block posted prior to the interrupt.
4930 * Reading the PCI State register will confirm whether the
4931 * interrupt is ours and will flush the status block.
4933 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
4934 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4935 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4942 * Writing any value to intr-mbox-0 clears PCI INTA# and
4943 * chip-internal interrupt pending events.
4944 * Writing non-zero to intr-mbox-0 additional tells the
4945 * NIC to stop sending us irqs, engaging "in-intr-handler"
4948 * Flush the mailbox to de-assert the IRQ immediately to prevent
4949 * spurious interrupts. The flush impacts performance but
4950 * excessive spurious interrupts can be worse in some cases.
4952 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4953 if (tg3_irq_sync(tp))
4955 sblk->status &= ~SD_STATUS_UPDATED;
4956 if (likely(tg3_has_work(tnapi))) {
4957 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
4958 napi_schedule(&tnapi->napi);
4960 /* No work, shared interrupt perhaps? re-enable
4961 * interrupts, and flush that PCI write
4963 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
4967 return IRQ_RETVAL(handled);
4970 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
4972 struct tg3_napi *tnapi = dev_id;
4973 struct tg3 *tp = tnapi->tp;
4974 struct tg3_hw_status *sblk = tnapi->hw_status;
4975 unsigned int handled = 1;
4977 /* In INTx mode, it is possible for the interrupt to arrive at
4978 * the CPU before the status block posted prior to the interrupt.
4979 * Reading the PCI State register will confirm whether the
4980 * interrupt is ours and will flush the status block.
4982 if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
4983 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4984 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4991 * writing any value to intr-mbox-0 clears PCI INTA# and
4992 * chip-internal interrupt pending events.
4993 * writing non-zero to intr-mbox-0 additional tells the
4994 * NIC to stop sending us irqs, engaging "in-intr-handler"
4997 * Flush the mailbox to de-assert the IRQ immediately to prevent
4998 * spurious interrupts. The flush impacts performance but
4999 * excessive spurious interrupts can be worse in some cases.
5001 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5004 * In a shared interrupt configuration, sometimes other devices'
5005 * interrupts will scream. We record the current status tag here
5006 * so that the above check can report that the screaming interrupts
5007 * are unhandled. Eventually they will be silenced.
5009 tnapi->last_irq_tag = sblk->status_tag;
5011 if (tg3_irq_sync(tp))
5014 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5016 napi_schedule(&tnapi->napi);
5019 return IRQ_RETVAL(handled);
5022 /* ISR for interrupt test */
5023 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
5025 struct tg3_napi *tnapi = dev_id;
5026 struct tg3 *tp = tnapi->tp;
5027 struct tg3_hw_status *sblk = tnapi->hw_status;
5029 if ((sblk->status & SD_STATUS_UPDATED) ||
5030 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5031 tg3_disable_ints(tp);
5032 return IRQ_RETVAL(1);
5034 return IRQ_RETVAL(0);
5037 static int tg3_init_hw(struct tg3 *, int);
5038 static int tg3_halt(struct tg3 *, int, int);
5040 /* Restart hardware after configuration changes, self-test, etc.
5041 * Invoked with tp->lock held.
5043 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
5044 __releases(tp->lock)
5045 __acquires(tp->lock)
5049 err = tg3_init_hw(tp, reset_phy);
5051 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
5052 "aborting.\n", tp->dev->name);
5053 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5054 tg3_full_unlock(tp);
5055 del_timer_sync(&tp->timer);
5057 tg3_napi_enable(tp);
5059 tg3_full_lock(tp, 0);
5064 #ifdef CONFIG_NET_POLL_CONTROLLER
5065 static void tg3_poll_controller(struct net_device *dev)
5068 struct tg3 *tp = netdev_priv(dev);
5070 for (i = 0; i < tp->irq_cnt; i++)
5071 tg3_interrupt(tp->napi[i].irq_vec, dev);
5075 static void tg3_reset_task(struct work_struct *work)
5077 struct tg3 *tp = container_of(work, struct tg3, reset_task);
5079 unsigned int restart_timer;
5081 tg3_full_lock(tp, 0);
5083 if (!netif_running(tp->dev)) {
5084 tg3_full_unlock(tp);
5088 tg3_full_unlock(tp);
5094 tg3_full_lock(tp, 1);
5096 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5097 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5099 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5100 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5101 tp->write32_rx_mbox = tg3_write_flush_reg32;
5102 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5103 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5106 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
5107 err = tg3_init_hw(tp, 1);
5111 tg3_netif_start(tp);
5114 mod_timer(&tp->timer, jiffies + 1);
5117 tg3_full_unlock(tp);
5123 static void tg3_dump_short_state(struct tg3 *tp)
5125 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5126 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5127 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5128 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5131 static void tg3_tx_timeout(struct net_device *dev)
5133 struct tg3 *tp = netdev_priv(dev);
5135 if (netif_msg_tx_err(tp)) {
5136 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
5138 tg3_dump_short_state(tp);
5141 schedule_work(&tp->reset_task);
5144 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5145 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5147 u32 base = (u32) mapping & 0xffffffff;
5149 return ((base > 0xffffdcc0) &&
5150 (base + len + 8 < base));
5153 /* Test for DMA addresses > 40-bit */
5154 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5157 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5158 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
5159 return (((u64) mapping + len) > DMA_BIT_MASK(40));
5166 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
5168 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5169 static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5170 struct sk_buff *skb, u32 last_plus_one,
5171 u32 *start, u32 base_flags, u32 mss)
5173 struct tg3 *tp = tnapi->tp;
5174 struct sk_buff *new_skb;
5175 dma_addr_t new_addr = 0;
5179 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5180 new_skb = skb_copy(skb, GFP_ATOMIC);
5182 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5184 new_skb = skb_copy_expand(skb,
5185 skb_headroom(skb) + more_headroom,
5186 skb_tailroom(skb), GFP_ATOMIC);
5192 /* New SKB is guaranteed to be linear. */
5194 ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE);
5195 new_addr = skb_shinfo(new_skb)->dma_head;
5197 /* Make sure new skb does not cross any 4G boundaries.
5198 * Drop the packet if it does.
5200 if (ret || ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5201 tg3_4g_overflow_test(new_addr, new_skb->len))) {
5203 skb_dma_unmap(&tp->pdev->dev, new_skb,
5206 dev_kfree_skb(new_skb);
5209 tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
5210 base_flags, 1 | (mss << 1));
5211 *start = NEXT_TX(entry);
5215 /* Now clean up the sw ring entries. */
5217 while (entry != last_plus_one) {
5219 tnapi->tx_buffers[entry].skb = new_skb;
5221 tnapi->tx_buffers[entry].skb = NULL;
5222 entry = NEXT_TX(entry);
5226 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5232 static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
5233 dma_addr_t mapping, int len, u32 flags,
5236 struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
5237 int is_end = (mss_and_is_end & 0x1);
5238 u32 mss = (mss_and_is_end >> 1);
5242 flags |= TXD_FLAG_END;
5243 if (flags & TXD_FLAG_VLAN) {
5244 vlan_tag = flags >> 16;
5247 vlan_tag |= (mss << TXD_MSS_SHIFT);
5249 txd->addr_hi = ((u64) mapping >> 32);
5250 txd->addr_lo = ((u64) mapping & 0xffffffff);
5251 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5252 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5255 /* hard_start_xmit for devices that don't have any bugs and
5256 * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5258 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5259 struct net_device *dev)
5261 struct tg3 *tp = netdev_priv(dev);
5262 u32 len, entry, base_flags, mss;
5263 struct skb_shared_info *sp;
5265 struct tg3_napi *tnapi;
5266 struct netdev_queue *txq;
5268 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5269 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5270 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
5273 /* We are running in BH disabled context with netif_tx_lock
5274 * and TX reclaim runs via tp->napi.poll inside of a software
5275 * interrupt. Furthermore, IRQ processing runs lockless so we have
5276 * no IRQ context deadlocks to worry about either. Rejoice!
5278 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5279 if (!netif_tx_queue_stopped(txq)) {
5280 netif_tx_stop_queue(txq);
5282 /* This is a hard error, log it. */
5283 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5284 "queue awake!\n", dev->name);
5286 return NETDEV_TX_BUSY;
5289 entry = tnapi->tx_prod;
5292 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5293 int tcp_opt_len, ip_tcp_len;
5296 if (skb_header_cloned(skb) &&
5297 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5302 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5303 hdrlen = skb_headlen(skb) - ETH_HLEN;
5305 struct iphdr *iph = ip_hdr(skb);
5307 tcp_opt_len = tcp_optlen(skb);
5308 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5311 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5312 hdrlen = ip_tcp_len + tcp_opt_len;
5315 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5316 mss |= (hdrlen & 0xc) << 12;
5318 base_flags |= 0x00000010;
5319 base_flags |= (hdrlen & 0x3e0) << 5;
5323 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5324 TXD_FLAG_CPU_POST_DMA);
5326 tcp_hdr(skb)->check = 0;
5329 else if (skb->ip_summed == CHECKSUM_PARTIAL)
5330 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5331 #if TG3_VLAN_TAG_USED
5332 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5333 base_flags |= (TXD_FLAG_VLAN |
5334 (vlan_tx_tag_get(skb) << 16));
5337 if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5342 sp = skb_shinfo(skb);
5344 mapping = sp->dma_head;
5346 tnapi->tx_buffers[entry].skb = skb;
5348 len = skb_headlen(skb);
5350 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
5351 !mss && skb->len > ETH_DATA_LEN)
5352 base_flags |= TXD_FLAG_JMB_PKT;
5354 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5355 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5357 entry = NEXT_TX(entry);
5359 /* Now loop through additional data fragments, and queue them. */
5360 if (skb_shinfo(skb)->nr_frags > 0) {
5361 unsigned int i, last;
5363 last = skb_shinfo(skb)->nr_frags - 1;
5364 for (i = 0; i <= last; i++) {
5365 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5368 mapping = sp->dma_maps[i];
5369 tnapi->tx_buffers[entry].skb = NULL;
5371 tg3_set_txd(tnapi, entry, mapping, len,
5372 base_flags, (i == last) | (mss << 1));
5374 entry = NEXT_TX(entry);
5378 /* Packets are ready, update Tx producer idx local and on card. */
5379 tw32_tx_mbox(tnapi->prodmbox, entry);
5381 tnapi->tx_prod = entry;
5382 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5383 netif_tx_stop_queue(txq);
5384 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5385 netif_tx_wake_queue(txq);
5391 return NETDEV_TX_OK;
5394 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5395 struct net_device *);
5397 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5398 * TSO header is greater than 80 bytes.
5400 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5402 struct sk_buff *segs, *nskb;
5403 u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
5405 /* Estimate the number of fragments in the worst case */
5406 if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
5407 netif_stop_queue(tp->dev);
5408 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
5409 return NETDEV_TX_BUSY;
5411 netif_wake_queue(tp->dev);
5414 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5416 goto tg3_tso_bug_end;
5422 tg3_start_xmit_dma_bug(nskb, tp->dev);
5428 return NETDEV_TX_OK;
5431 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5432 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5434 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5435 struct net_device *dev)
5437 struct tg3 *tp = netdev_priv(dev);
5438 u32 len, entry, base_flags, mss;
5439 struct skb_shared_info *sp;
5440 int would_hit_hwbug;
5442 struct tg3_napi *tnapi;
5443 struct netdev_queue *txq;
5445 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5446 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5447 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
5450 /* We are running in BH disabled context with netif_tx_lock
5451 * and TX reclaim runs via tp->napi.poll inside of a software
5452 * interrupt. Furthermore, IRQ processing runs lockless so we have
5453 * no IRQ context deadlocks to worry about either. Rejoice!
5455 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5456 if (!netif_tx_queue_stopped(txq)) {
5457 netif_tx_stop_queue(txq);
5459 /* This is a hard error, log it. */
5460 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5461 "queue awake!\n", dev->name);
5463 return NETDEV_TX_BUSY;
5466 entry = tnapi->tx_prod;
5468 if (skb->ip_summed == CHECKSUM_PARTIAL)
5469 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5471 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5473 u32 tcp_opt_len, ip_tcp_len, hdr_len;
5475 if (skb_header_cloned(skb) &&
5476 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5481 tcp_opt_len = tcp_optlen(skb);
5482 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5484 hdr_len = ip_tcp_len + tcp_opt_len;
5485 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5486 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5487 return (tg3_tso_bug(tp, skb));
5489 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5490 TXD_FLAG_CPU_POST_DMA);
5494 iph->tot_len = htons(mss + hdr_len);
5495 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5496 tcp_hdr(skb)->check = 0;
5497 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5499 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5504 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5505 mss |= (hdr_len & 0xc) << 12;
5507 base_flags |= 0x00000010;
5508 base_flags |= (hdr_len & 0x3e0) << 5;
5509 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
5510 mss |= hdr_len << 9;
5511 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5512 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5513 if (tcp_opt_len || iph->ihl > 5) {
5516 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5517 mss |= (tsflags << 11);
5520 if (tcp_opt_len || iph->ihl > 5) {
5523 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5524 base_flags |= tsflags << 12;
5528 #if TG3_VLAN_TAG_USED
5529 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5530 base_flags |= (TXD_FLAG_VLAN |
5531 (vlan_tx_tag_get(skb) << 16));
5534 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
5535 !mss && skb->len > ETH_DATA_LEN)
5536 base_flags |= TXD_FLAG_JMB_PKT;
5538 if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5543 sp = skb_shinfo(skb);
5545 mapping = sp->dma_head;
5547 tnapi->tx_buffers[entry].skb = skb;
5549 would_hit_hwbug = 0;
5551 len = skb_headlen(skb);
5553 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
5554 would_hit_hwbug = 1;
5556 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5557 tg3_4g_overflow_test(mapping, len))
5558 would_hit_hwbug = 1;
5560 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5561 tg3_40bit_overflow_test(tp, mapping, len))
5562 would_hit_hwbug = 1;
5564 if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5565 would_hit_hwbug = 1;
5567 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5568 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5570 entry = NEXT_TX(entry);
5572 /* Now loop through additional data fragments, and queue them. */
5573 if (skb_shinfo(skb)->nr_frags > 0) {
5574 unsigned int i, last;
5576 last = skb_shinfo(skb)->nr_frags - 1;
5577 for (i = 0; i <= last; i++) {
5578 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5581 mapping = sp->dma_maps[i];
5583 tnapi->tx_buffers[entry].skb = NULL;
5585 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
5587 would_hit_hwbug = 1;
5589 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5590 tg3_4g_overflow_test(mapping, len))
5591 would_hit_hwbug = 1;
5593 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
5594 tg3_40bit_overflow_test(tp, mapping, len))
5595 would_hit_hwbug = 1;
5597 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5598 tg3_set_txd(tnapi, entry, mapping, len,
5599 base_flags, (i == last)|(mss << 1));
5601 tg3_set_txd(tnapi, entry, mapping, len,
5602 base_flags, (i == last));
5604 entry = NEXT_TX(entry);
5608 if (would_hit_hwbug) {
5609 u32 last_plus_one = entry;
5612 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5613 start &= (TG3_TX_RING_SIZE - 1);
5615 /* If the workaround fails due to memory/mapping
5616 * failure, silently drop this packet.
5618 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
5619 &start, base_flags, mss))
5625 /* Packets are ready, update Tx producer idx local and on card. */
5626 tw32_tx_mbox(tnapi->prodmbox, entry);
5628 tnapi->tx_prod = entry;
5629 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5630 netif_tx_stop_queue(txq);
5631 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5632 netif_tx_wake_queue(txq);
5638 return NETDEV_TX_OK;
5641 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5646 if (new_mtu > ETH_DATA_LEN) {
5647 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5648 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5649 ethtool_op_set_tso(dev, 0);
5652 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5654 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5655 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5656 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5660 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5662 struct tg3 *tp = netdev_priv(dev);
5665 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5668 if (!netif_running(dev)) {
5669 /* We'll just catch it later when the
5672 tg3_set_mtu(dev, tp, new_mtu);
5680 tg3_full_lock(tp, 1);
5682 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5684 tg3_set_mtu(dev, tp, new_mtu);
5686 err = tg3_restart_hw(tp, 0);
5689 tg3_netif_start(tp);
5691 tg3_full_unlock(tp);
5699 static void tg3_rx_prodring_free(struct tg3 *tp,
5700 struct tg3_rx_prodring_set *tpr)
5703 struct ring_info *rxp;
5705 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5706 rxp = &tpr->rx_std_buffers[i];
5708 if (rxp->skb == NULL)
5711 pci_unmap_single(tp->pdev,
5712 pci_unmap_addr(rxp, mapping),
5714 PCI_DMA_FROMDEVICE);
5715 dev_kfree_skb_any(rxp->skb);
5719 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5720 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5721 rxp = &tpr->rx_jmb_buffers[i];
5723 if (rxp->skb == NULL)
5726 pci_unmap_single(tp->pdev,
5727 pci_unmap_addr(rxp, mapping),
5729 PCI_DMA_FROMDEVICE);
5730 dev_kfree_skb_any(rxp->skb);
5736 /* Initialize tx/rx rings for packet processing.
5738 * The chip has been shut down and the driver detached from
5739 * the networking, so no interrupts or new tx packets will
5740 * end up in the driver. tp->{tx,}lock are held and thus
5743 static int tg3_rx_prodring_alloc(struct tg3 *tp,
5744 struct tg3_rx_prodring_set *tpr)
5746 u32 i, rx_pkt_dma_sz;
5747 struct tg3_napi *tnapi = &tp->napi[0];
5749 /* Zero out all descriptors. */
5750 memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
5752 rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
5753 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
5754 tp->dev->mtu > ETH_DATA_LEN)
5755 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
5756 tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
5758 /* Initialize invariants of the rings, we only set this
5759 * stuff once. This works because the card does not
5760 * write into the rx buffer posting rings.
5762 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5763 struct tg3_rx_buffer_desc *rxd;
5765 rxd = &tpr->rx_std[i];
5766 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
5767 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
5768 rxd->opaque = (RXD_OPAQUE_RING_STD |
5769 (i << RXD_OPAQUE_INDEX_SHIFT));
5772 /* Now allocate fresh SKBs for each rx ring. */
5773 for (i = 0; i < tp->rx_pending; i++) {
5774 if (tg3_alloc_rx_skb(tnapi, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
5775 printk(KERN_WARNING PFX
5776 "%s: Using a smaller RX standard ring, "
5777 "only %d out of %d buffers were allocated "
5779 tp->dev->name, i, tp->rx_pending);
5787 if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
5790 memset(tpr->rx_jmb, 0, TG3_RX_JUMBO_RING_BYTES);
5792 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
5793 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5794 struct tg3_rx_buffer_desc *rxd;
5796 rxd = &tpr->rx_jmb[i].std;
5797 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
5798 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
5800 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
5801 (i << RXD_OPAQUE_INDEX_SHIFT));
5804 for (i = 0; i < tp->rx_jumbo_pending; i++) {
5805 if (tg3_alloc_rx_skb(tnapi, tpr, RXD_OPAQUE_RING_JUMBO,
5807 printk(KERN_WARNING PFX
5808 "%s: Using a smaller RX jumbo ring, "
5809 "only %d out of %d buffers were "
5810 "allocated successfully.\n",
5811 tp->dev->name, i, tp->rx_jumbo_pending);
5814 tp->rx_jumbo_pending = i;
5824 tg3_rx_prodring_free(tp, tpr);
5828 static void tg3_rx_prodring_fini(struct tg3 *tp,
5829 struct tg3_rx_prodring_set *tpr)
5831 kfree(tpr->rx_std_buffers);
5832 tpr->rx_std_buffers = NULL;
5833 kfree(tpr->rx_jmb_buffers);
5834 tpr->rx_jmb_buffers = NULL;
5836 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
5837 tpr->rx_std, tpr->rx_std_mapping);
5841 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
5842 tpr->rx_jmb, tpr->rx_jmb_mapping);
5847 static int tg3_rx_prodring_init(struct tg3 *tp,
5848 struct tg3_rx_prodring_set *tpr)
5850 tpr->rx_std_buffers = kzalloc(sizeof(struct ring_info) *
5851 TG3_RX_RING_SIZE, GFP_KERNEL);
5852 if (!tpr->rx_std_buffers)
5855 tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
5856 &tpr->rx_std_mapping);
5860 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
5861 tpr->rx_jmb_buffers = kzalloc(sizeof(struct ring_info) *
5862 TG3_RX_JUMBO_RING_SIZE,
5864 if (!tpr->rx_jmb_buffers)
5867 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
5868 TG3_RX_JUMBO_RING_BYTES,
5869 &tpr->rx_jmb_mapping);
5877 tg3_rx_prodring_fini(tp, tpr);
5881 /* Free up pending packets in all rx/tx rings.
5883 * The chip has been shut down and the driver detached from
5884 * the networking, so no interrupts or new tx packets will
5885 * end up in the driver. tp->{tx,}lock is not held and we are not
5886 * in an interrupt context and thus may sleep.
5888 static void tg3_free_rings(struct tg3 *tp)
5892 for (j = 0; j < tp->irq_cnt; j++) {
5893 struct tg3_napi *tnapi = &tp->napi[j];
5895 if (!tnapi->tx_buffers)
5898 for (i = 0; i < TG3_TX_RING_SIZE; ) {
5899 struct tx_ring_info *txp;
5900 struct sk_buff *skb;
5902 txp = &tnapi->tx_buffers[i];
5910 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5914 i += skb_shinfo(skb)->nr_frags + 1;
5916 dev_kfree_skb_any(skb);
5920 tg3_rx_prodring_free(tp, &tp->prodring[0]);
5923 /* Initialize tx/rx rings for packet processing.
5925 * The chip has been shut down and the driver detached from
5926 * the networking, so no interrupts or new tx packets will
5927 * end up in the driver. tp->{tx,}lock are held and thus
5930 static int tg3_init_rings(struct tg3 *tp)
5934 /* Free up all the SKBs. */
5937 for (i = 0; i < tp->irq_cnt; i++) {
5938 struct tg3_napi *tnapi = &tp->napi[i];
5940 tnapi->last_tag = 0;
5941 tnapi->last_irq_tag = 0;
5942 tnapi->hw_status->status = 0;
5943 tnapi->hw_status->status_tag = 0;
5944 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
5949 memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
5951 tnapi->rx_rcb_ptr = 0;
5953 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
5956 return tg3_rx_prodring_alloc(tp, &tp->prodring[0]);
5960 * Must not be invoked with interrupt sources disabled and
5961 * the hardware shutdown down.
5963 static void tg3_free_consistent(struct tg3 *tp)
5967 for (i = 0; i < tp->irq_cnt; i++) {
5968 struct tg3_napi *tnapi = &tp->napi[i];
5970 if (tnapi->tx_ring) {
5971 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
5972 tnapi->tx_ring, tnapi->tx_desc_mapping);
5973 tnapi->tx_ring = NULL;
5976 kfree(tnapi->tx_buffers);
5977 tnapi->tx_buffers = NULL;
5979 if (tnapi->rx_rcb) {
5980 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5982 tnapi->rx_rcb_mapping);
5983 tnapi->rx_rcb = NULL;
5986 if (tnapi->hw_status) {
5987 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
5989 tnapi->status_mapping);
5990 tnapi->hw_status = NULL;
5995 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
5996 tp->hw_stats, tp->stats_mapping);
5997 tp->hw_stats = NULL;
6000 tg3_rx_prodring_fini(tp, &tp->prodring[0]);
6004 * Must not be invoked with interrupt sources disabled and
6005 * the hardware shutdown down. Can sleep.
6007 static int tg3_alloc_consistent(struct tg3 *tp)
6011 if (tg3_rx_prodring_init(tp, &tp->prodring[0]))
6014 tp->hw_stats = pci_alloc_consistent(tp->pdev,
6015 sizeof(struct tg3_hw_stats),
6016 &tp->stats_mapping);
6020 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6022 for (i = 0; i < tp->irq_cnt; i++) {
6023 struct tg3_napi *tnapi = &tp->napi[i];
6024 struct tg3_hw_status *sblk;
6026 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
6028 &tnapi->status_mapping);
6029 if (!tnapi->hw_status)
6032 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6033 sblk = tnapi->hw_status;
6036 * When RSS is enabled, the status block format changes
6037 * slightly. The "rx_jumbo_consumer", "reserved",
6038 * and "rx_mini_consumer" members get mapped to the
6039 * other three rx return ring producer indexes.
6043 tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
6046 tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6049 tnapi->rx_rcb_prod_idx = &sblk->reserved;
6052 tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6057 * If multivector RSS is enabled, vector 0 does not handle
6058 * rx or tx interrupts. Don't allocate any resources for it.
6060 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6063 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6064 TG3_RX_RCB_RING_BYTES(tp),
6065 &tnapi->rx_rcb_mapping);
6069 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6071 tnapi->tx_buffers = kzalloc(sizeof(struct tx_ring_info) *
6072 TG3_TX_RING_SIZE, GFP_KERNEL);
6073 if (!tnapi->tx_buffers)
6076 tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6078 &tnapi->tx_desc_mapping);
6079 if (!tnapi->tx_ring)
6086 tg3_free_consistent(tp);
6090 #define MAX_WAIT_CNT 1000
6092 /* To stop a block, clear the enable bit and poll till it
6093 * clears. tp->lock is held.
6095 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
6100 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6107 /* We can't enable/disable these bits of the
6108 * 5705/5750, just say success.
6121 for (i = 0; i < MAX_WAIT_CNT; i++) {
6124 if ((val & enable_bit) == 0)
6128 if (i == MAX_WAIT_CNT && !silent) {
6129 printk(KERN_ERR PFX "tg3_stop_block timed out, "
6130 "ofs=%lx enable_bit=%x\n",
6138 /* tp->lock is held. */
6139 static int tg3_abort_hw(struct tg3 *tp, int silent)
6143 tg3_disable_ints(tp);
6145 tp->rx_mode &= ~RX_MODE_ENABLE;
6146 tw32_f(MAC_RX_MODE, tp->rx_mode);
6149 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6150 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6151 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6152 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6153 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6154 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6156 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6157 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6158 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6159 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6160 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6161 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6162 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
6164 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6165 tw32_f(MAC_MODE, tp->mac_mode);
6168 tp->tx_mode &= ~TX_MODE_ENABLE;
6169 tw32_f(MAC_TX_MODE, tp->tx_mode);
6171 for (i = 0; i < MAX_WAIT_CNT; i++) {
6173 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6176 if (i >= MAX_WAIT_CNT) {
6177 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
6178 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
6179 tp->dev->name, tr32(MAC_TX_MODE));
6183 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
6184 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6185 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
6187 tw32(FTQ_RESET, 0xffffffff);
6188 tw32(FTQ_RESET, 0x00000000);
6190 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6191 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
6193 for (i = 0; i < tp->irq_cnt; i++) {
6194 struct tg3_napi *tnapi = &tp->napi[i];
6195 if (tnapi->hw_status)
6196 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6199 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6204 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6209 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6210 if (apedata != APE_SEG_SIG_MAGIC)
6213 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
6214 if (!(apedata & APE_FW_STATUS_READY))
6217 /* Wait for up to 1 millisecond for APE to service previous event. */
6218 for (i = 0; i < 10; i++) {
6219 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6222 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6224 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6225 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6226 event | APE_EVENT_STATUS_EVENT_PENDING);
6228 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6230 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6236 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6237 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6240 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6245 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6249 case RESET_KIND_INIT:
6250 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6251 APE_HOST_SEG_SIG_MAGIC);
6252 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6253 APE_HOST_SEG_LEN_MAGIC);
6254 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6255 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6256 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6257 APE_HOST_DRIVER_ID_MAGIC);
6258 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6259 APE_HOST_BEHAV_NO_PHYLOCK);
6261 event = APE_EVENT_STATUS_STATE_START;
6263 case RESET_KIND_SHUTDOWN:
6264 /* With the interface we are currently using,
6265 * APE does not track driver state. Wiping
6266 * out the HOST SEGMENT SIGNATURE forces
6267 * the APE to assume OS absent status.
6269 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6271 event = APE_EVENT_STATUS_STATE_UNLOAD;
6273 case RESET_KIND_SUSPEND:
6274 event = APE_EVENT_STATUS_STATE_SUSPEND;
6280 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6282 tg3_ape_send_event(tp, event);
6285 /* tp->lock is held. */
6286 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6288 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6289 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
6291 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6293 case RESET_KIND_INIT:
6294 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6298 case RESET_KIND_SHUTDOWN:
6299 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6303 case RESET_KIND_SUSPEND:
6304 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6313 if (kind == RESET_KIND_INIT ||
6314 kind == RESET_KIND_SUSPEND)
6315 tg3_ape_driver_state_change(tp, kind);
6318 /* tp->lock is held. */
6319 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6321 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6323 case RESET_KIND_INIT:
6324 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6325 DRV_STATE_START_DONE);
6328 case RESET_KIND_SHUTDOWN:
6329 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6330 DRV_STATE_UNLOAD_DONE);
6338 if (kind == RESET_KIND_SHUTDOWN)
6339 tg3_ape_driver_state_change(tp, kind);
6342 /* tp->lock is held. */
6343 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6345 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6347 case RESET_KIND_INIT:
6348 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6352 case RESET_KIND_SHUTDOWN:
6353 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6357 case RESET_KIND_SUSPEND:
6358 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6368 static int tg3_poll_fw(struct tg3 *tp)
6373 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6374 /* Wait up to 20ms for init done. */
6375 for (i = 0; i < 200; i++) {
6376 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6383 /* Wait for firmware initialization to complete. */
6384 for (i = 0; i < 100000; i++) {
6385 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6386 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6391 /* Chip might not be fitted with firmware. Some Sun onboard
6392 * parts are configured like that. So don't signal the timeout
6393 * of the above loop as an error, but do report the lack of
6394 * running firmware once.
6397 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6398 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6400 printk(KERN_INFO PFX "%s: No firmware running.\n",
6407 /* Save PCI command register before chip reset */
6408 static void tg3_save_pci_state(struct tg3 *tp)
6410 pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6413 /* Restore PCI state after chip reset */
6414 static void tg3_restore_pci_state(struct tg3 *tp)
6418 /* Re-enable indirect register accesses. */
6419 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6420 tp->misc_host_ctrl);
6422 /* Set MAX PCI retry to zero. */
6423 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6424 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6425 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6426 val |= PCISTATE_RETRY_SAME_DMA;
6427 /* Allow reads and writes to the APE register and memory space. */
6428 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6429 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6430 PCISTATE_ALLOW_APE_SHMEM_WR;
6431 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6433 pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6435 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6436 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6437 pcie_set_readrq(tp->pdev, 4096);
6439 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6440 tp->pci_cacheline_sz);
6441 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6446 /* Make sure PCI-X relaxed ordering bit is clear. */
6447 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6450 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6452 pcix_cmd &= ~PCI_X_CMD_ERO;
6453 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6457 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6459 /* Chip reset on 5780 will reset MSI enable bit,
6460 * so need to restore it.
6462 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6465 pci_read_config_word(tp->pdev,
6466 tp->msi_cap + PCI_MSI_FLAGS,
6468 pci_write_config_word(tp->pdev,
6469 tp->msi_cap + PCI_MSI_FLAGS,
6470 ctrl | PCI_MSI_FLAGS_ENABLE);
6471 val = tr32(MSGINT_MODE);
6472 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6477 static void tg3_stop_fw(struct tg3 *);
6479 /* tp->lock is held. */
6480 static int tg3_chip_reset(struct tg3 *tp)
6483 void (*write_op)(struct tg3 *, u32, u32);
6488 tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6490 /* No matching tg3_nvram_unlock() after this because
6491 * chip reset below will undo the nvram lock.
6493 tp->nvram_lock_cnt = 0;
6495 /* GRC_MISC_CFG core clock reset will clear the memory
6496 * enable bit in PCI register 4 and the MSI enable bit
6497 * on some chips, so we save relevant registers here.
6499 tg3_save_pci_state(tp);
6501 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6502 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6503 tw32(GRC_FASTBOOT_PC, 0);
6506 * We must avoid the readl() that normally takes place.
6507 * It locks machines, causes machine checks, and other
6508 * fun things. So, temporarily disable the 5701
6509 * hardware workaround, while we do the reset.
6511 write_op = tp->write32;
6512 if (write_op == tg3_write_flush_reg32)
6513 tp->write32 = tg3_write32;
6515 /* Prevent the irq handler from reading or writing PCI registers
6516 * during chip reset when the memory enable bit in the PCI command
6517 * register may be cleared. The chip does not generate interrupt
6518 * at this time, but the irq handler may still be called due to irq
6519 * sharing or irqpoll.
6521 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6522 for (i = 0; i < tp->irq_cnt; i++) {
6523 struct tg3_napi *tnapi = &tp->napi[i];
6524 if (tnapi->hw_status) {
6525 tnapi->hw_status->status = 0;
6526 tnapi->hw_status->status_tag = 0;
6528 tnapi->last_tag = 0;
6529 tnapi->last_irq_tag = 0;
6533 for (i = 0; i < tp->irq_cnt; i++)
6534 synchronize_irq(tp->napi[i].irq_vec);
6536 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6537 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
6538 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
6542 val = GRC_MISC_CFG_CORECLK_RESET;
6544 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6545 if (tr32(0x7e2c) == 0x60) {
6548 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6549 tw32(GRC_MISC_CFG, (1 << 29));
6554 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6555 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6556 tw32(GRC_VCPU_EXT_CTRL,
6557 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6560 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6561 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6562 tw32(GRC_MISC_CFG, val);
6564 /* restore 5701 hardware bug workaround write method */
6565 tp->write32 = write_op;
6567 /* Unfortunately, we have to delay before the PCI read back.
6568 * Some 575X chips even will not respond to a PCI cfg access
6569 * when the reset command is given to the chip.
6571 * How do these hardware designers expect things to work
6572 * properly if the PCI write is posted for a long period
6573 * of time? It is always necessary to have some method by
6574 * which a register read back can occur to push the write
6575 * out which does the reset.
6577 * For most tg3 variants the trick below was working.
6582 /* Flush PCI posted writes. The normal MMIO registers
6583 * are inaccessible at this time so this is the only
6584 * way to make this reliably (actually, this is no longer
6585 * the case, see above). I tried to use indirect
6586 * register read/write but this upset some 5701 variants.
6588 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6592 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6595 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6599 /* Wait for link training to complete. */
6600 for (i = 0; i < 5000; i++)
6603 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6604 pci_write_config_dword(tp->pdev, 0xc4,
6605 cfg_val | (1 << 15));
6608 /* Clear the "no snoop" and "relaxed ordering" bits. */
6609 pci_read_config_word(tp->pdev,
6610 tp->pcie_cap + PCI_EXP_DEVCTL,
6612 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
6613 PCI_EXP_DEVCTL_NOSNOOP_EN);
6615 * Older PCIe devices only support the 128 byte
6616 * MPS setting. Enforce the restriction.
6618 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
6619 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
6620 val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
6621 pci_write_config_word(tp->pdev,
6622 tp->pcie_cap + PCI_EXP_DEVCTL,
6625 pcie_set_readrq(tp->pdev, 4096);
6627 /* Clear error status */
6628 pci_write_config_word(tp->pdev,
6629 tp->pcie_cap + PCI_EXP_DEVSTA,
6630 PCI_EXP_DEVSTA_CED |
6631 PCI_EXP_DEVSTA_NFED |
6632 PCI_EXP_DEVSTA_FED |
6633 PCI_EXP_DEVSTA_URD);
6636 tg3_restore_pci_state(tp);
6638 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6641 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6642 val = tr32(MEMARB_MODE);
6643 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6645 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6647 tw32(0x5000, 0x400);
6650 tw32(GRC_MODE, tp->grc_mode);
6652 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6655 tw32(0xc4, val | (1 << 15));
6658 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6659 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6660 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6661 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6662 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6663 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6666 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6667 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6668 tw32_f(MAC_MODE, tp->mac_mode);
6669 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6670 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6671 tw32_f(MAC_MODE, tp->mac_mode);
6672 } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6673 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6674 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6675 tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6676 tw32_f(MAC_MODE, tp->mac_mode);
6678 tw32_f(MAC_MODE, 0);
6681 tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
6683 err = tg3_poll_fw(tp);
6689 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6692 phy_addr = tp->phy_addr;
6693 tp->phy_addr = TG3_PHY_PCIE_ADDR;
6695 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
6696 TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
6697 val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
6698 TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
6699 TG3_PCIEPHY_TX0CTRL1_NB_EN;
6700 tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
6703 tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
6704 TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
6705 val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
6706 TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
6707 tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
6710 tp->phy_addr = phy_addr;
6713 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
6714 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
6715 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
6716 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
6719 tw32(0x7c00, val | (1 << 25));
6722 /* Reprobe ASF enable state. */
6723 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
6724 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
6725 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
6726 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
6729 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
6730 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
6731 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
6732 tp->last_event_jiffies = jiffies;
6733 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
6734 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
6741 /* tp->lock is held. */
6742 static void tg3_stop_fw(struct tg3 *tp)
6744 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
6745 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
6746 /* Wait for RX cpu to ACK the previous event. */
6747 tg3_wait_for_event_ack(tp);
6749 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
6751 tg3_generate_fw_event(tp);
6753 /* Wait for RX cpu to ACK this event. */
6754 tg3_wait_for_event_ack(tp);
6758 /* tp->lock is held. */
6759 static int tg3_halt(struct tg3 *tp, int kind, int silent)
6765 tg3_write_sig_pre_reset(tp, kind);
6767 tg3_abort_hw(tp, silent);
6768 err = tg3_chip_reset(tp);
6770 __tg3_set_mac_addr(tp, 0);
6772 tg3_write_sig_legacy(tp, kind);
6773 tg3_write_sig_post_reset(tp, kind);
6781 #define RX_CPU_SCRATCH_BASE 0x30000
6782 #define RX_CPU_SCRATCH_SIZE 0x04000
6783 #define TX_CPU_SCRATCH_BASE 0x34000
6784 #define TX_CPU_SCRATCH_SIZE 0x04000
6786 /* tp->lock is held. */
6787 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
6791 BUG_ON(offset == TX_CPU_BASE &&
6792 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
6794 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6795 u32 val = tr32(GRC_VCPU_EXT_CTRL);
6797 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
6800 if (offset == RX_CPU_BASE) {
6801 for (i = 0; i < 10000; i++) {
6802 tw32(offset + CPU_STATE, 0xffffffff);
6803 tw32(offset + CPU_MODE, CPU_MODE_HALT);
6804 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6808 tw32(offset + CPU_STATE, 0xffffffff);
6809 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
6812 for (i = 0; i < 10000; i++) {
6813 tw32(offset + CPU_STATE, 0xffffffff);
6814 tw32(offset + CPU_MODE, CPU_MODE_HALT);
6815 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6821 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
6824 (offset == RX_CPU_BASE ? "RX" : "TX"));
6828 /* Clear firmware's nvram arbitration. */
6829 if (tp->tg3_flags & TG3_FLAG_NVRAM)
6830 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
6835 unsigned int fw_base;
6836 unsigned int fw_len;
6837 const __be32 *fw_data;
6840 /* tp->lock is held. */
6841 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
6842 int cpu_scratch_size, struct fw_info *info)
6844 int err, lock_err, i;
6845 void (*write_op)(struct tg3 *, u32, u32);
6847 if (cpu_base == TX_CPU_BASE &&
6848 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6849 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
6850 "TX cpu firmware on %s which is 5705.\n",
6855 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6856 write_op = tg3_write_mem;
6858 write_op = tg3_write_indirect_reg32;
6860 /* It is possible that bootcode is still loading at this point.
6861 * Get the nvram lock first before halting the cpu.
6863 lock_err = tg3_nvram_lock(tp);
6864 err = tg3_halt_cpu(tp, cpu_base);
6866 tg3_nvram_unlock(tp);
6870 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
6871 write_op(tp, cpu_scratch_base + i, 0);
6872 tw32(cpu_base + CPU_STATE, 0xffffffff);
6873 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
6874 for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
6875 write_op(tp, (cpu_scratch_base +
6876 (info->fw_base & 0xffff) +
6878 be32_to_cpu(info->fw_data[i]));
6886 /* tp->lock is held. */
6887 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
6889 struct fw_info info;
6890 const __be32 *fw_data;
6893 fw_data = (void *)tp->fw->data;
6895 /* Firmware blob starts with version numbers, followed by
6896 start address and length. We are setting complete length.
6897 length = end_address_of_bss - start_address_of_text.
6898 Remainder is the blob to be loaded contiguously
6899 from start address. */
6901 info.fw_base = be32_to_cpu(fw_data[1]);
6902 info.fw_len = tp->fw->size - 12;
6903 info.fw_data = &fw_data[3];
6905 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
6906 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
6911 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
6912 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
6917 /* Now startup only the RX cpu. */
6918 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6919 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6921 for (i = 0; i < 5; i++) {
6922 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
6924 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6925 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
6926 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6930 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
6931 "to set RX CPU PC, is %08x should be %08x\n",
6932 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
6936 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6937 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
6942 /* 5705 needs a special version of the TSO firmware. */
6944 /* tp->lock is held. */
6945 static int tg3_load_tso_firmware(struct tg3 *tp)
6947 struct fw_info info;
6948 const __be32 *fw_data;
6949 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
6952 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6955 fw_data = (void *)tp->fw->data;
6957 /* Firmware blob starts with version numbers, followed by
6958 start address and length. We are setting complete length.
6959 length = end_address_of_bss - start_address_of_text.
6960 Remainder is the blob to be loaded contiguously
6961 from start address. */
6963 info.fw_base = be32_to_cpu(fw_data[1]);
6964 cpu_scratch_size = tp->fw_len;
6965 info.fw_len = tp->fw->size - 12;
6966 info.fw_data = &fw_data[3];
6968 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6969 cpu_base = RX_CPU_BASE;
6970 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
6972 cpu_base = TX_CPU_BASE;
6973 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
6974 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
6977 err = tg3_load_firmware_cpu(tp, cpu_base,
6978 cpu_scratch_base, cpu_scratch_size,
6983 /* Now startup the cpu. */
6984 tw32(cpu_base + CPU_STATE, 0xffffffff);
6985 tw32_f(cpu_base + CPU_PC, info.fw_base);
6987 for (i = 0; i < 5; i++) {
6988 if (tr32(cpu_base + CPU_PC) == info.fw_base)
6990 tw32(cpu_base + CPU_STATE, 0xffffffff);
6991 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
6992 tw32_f(cpu_base + CPU_PC, info.fw_base);
6996 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
6997 "to set CPU PC, is %08x should be %08x\n",
6998 tp->dev->name, tr32(cpu_base + CPU_PC),
7002 tw32(cpu_base + CPU_STATE, 0xffffffff);
7003 tw32_f(cpu_base + CPU_MODE, 0x00000000);
7008 static int tg3_set_mac_addr(struct net_device *dev, void *p)
7010 struct tg3 *tp = netdev_priv(dev);
7011 struct sockaddr *addr = p;
7012 int err = 0, skip_mac_1 = 0;
7014 if (!is_valid_ether_addr(addr->sa_data))
7017 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7019 if (!netif_running(dev))
7022 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7023 u32 addr0_high, addr0_low, addr1_high, addr1_low;
7025 addr0_high = tr32(MAC_ADDR_0_HIGH);
7026 addr0_low = tr32(MAC_ADDR_0_LOW);
7027 addr1_high = tr32(MAC_ADDR_1_HIGH);
7028 addr1_low = tr32(MAC_ADDR_1_LOW);
7030 /* Skip MAC addr 1 if ASF is using it. */
7031 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
7032 !(addr1_high == 0 && addr1_low == 0))
7035 spin_lock_bh(&tp->lock);
7036 __tg3_set_mac_addr(tp, skip_mac_1);
7037 spin_unlock_bh(&tp->lock);
7042 /* tp->lock is held. */
7043 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
7044 dma_addr_t mapping, u32 maxlen_flags,
7048 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7049 ((u64) mapping >> 32));
7051 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7052 ((u64) mapping & 0xffffffff));
7054 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7057 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7059 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7063 static void __tg3_set_rx_mode(struct net_device *);
7064 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
7068 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
7069 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7070 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7071 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
7073 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7074 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7075 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7077 tw32(HOSTCC_TXCOL_TICKS, 0);
7078 tw32(HOSTCC_TXMAX_FRAMES, 0);
7079 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
7081 tw32(HOSTCC_RXCOL_TICKS, 0);
7082 tw32(HOSTCC_RXMAX_FRAMES, 0);
7083 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
7086 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7087 u32 val = ec->stats_block_coalesce_usecs;
7089 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7090 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7092 if (!netif_carrier_ok(tp->dev))
7095 tw32(HOSTCC_STAT_COAL_TICKS, val);
7098 for (i = 0; i < tp->irq_cnt - 1; i++) {
7101 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7102 tw32(reg, ec->rx_coalesce_usecs);
7103 reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7104 tw32(reg, ec->tx_coalesce_usecs);
7105 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7106 tw32(reg, ec->rx_max_coalesced_frames);
7107 reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7108 tw32(reg, ec->tx_max_coalesced_frames);
7109 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7110 tw32(reg, ec->rx_max_coalesced_frames_irq);
7111 reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7112 tw32(reg, ec->tx_max_coalesced_frames_irq);
7115 for (; i < tp->irq_max - 1; i++) {
7116 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
7117 tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7118 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
7119 tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7120 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7121 tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7125 /* tp->lock is held. */
7126 static void tg3_rings_reset(struct tg3 *tp)
7129 u32 stblk, txrcb, rxrcb, limit;
7130 struct tg3_napi *tnapi = &tp->napi[0];
7132 /* Disable all transmit rings but the first. */
7133 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7134 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7136 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7138 for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7139 txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7140 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7141 BDINFO_FLAGS_DISABLED);
7144 /* Disable all receive return rings but the first. */
7145 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7146 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7147 else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7148 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7149 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7150 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7152 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7154 for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7155 rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7156 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7157 BDINFO_FLAGS_DISABLED);
7159 /* Disable interrupts */
7160 tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7162 /* Zero mailbox registers. */
7163 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7164 for (i = 1; i < TG3_IRQ_MAX_VECS; i++) {
7165 tp->napi[i].tx_prod = 0;
7166 tp->napi[i].tx_cons = 0;
7167 tw32_mailbox(tp->napi[i].prodmbox, 0);
7168 tw32_rx_mbox(tp->napi[i].consmbox, 0);
7169 tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7172 tp->napi[0].tx_prod = 0;
7173 tp->napi[0].tx_cons = 0;
7174 tw32_mailbox(tp->napi[0].prodmbox, 0);
7175 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7178 /* Make sure the NIC-based send BD rings are disabled. */
7179 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7180 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7181 for (i = 0; i < 16; i++)
7182 tw32_tx_mbox(mbox + i * 8, 0);
7185 txrcb = NIC_SRAM_SEND_RCB;
7186 rxrcb = NIC_SRAM_RCV_RET_RCB;
7188 /* Clear status block in ram. */
7189 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7191 /* Set status block DMA address */
7192 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7193 ((u64) tnapi->status_mapping >> 32));
7194 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7195 ((u64) tnapi->status_mapping & 0xffffffff));
7197 if (tnapi->tx_ring) {
7198 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7199 (TG3_TX_RING_SIZE <<
7200 BDINFO_FLAGS_MAXLEN_SHIFT),
7201 NIC_SRAM_TX_BUFFER_DESC);
7202 txrcb += TG3_BDINFO_SIZE;
7205 if (tnapi->rx_rcb) {
7206 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7207 (TG3_RX_RCB_RING_SIZE(tp) <<
7208 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7209 rxrcb += TG3_BDINFO_SIZE;
7212 stblk = HOSTCC_STATBLCK_RING1;
7214 for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7215 u64 mapping = (u64)tnapi->status_mapping;
7216 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7217 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7219 /* Clear status block in ram. */
7220 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7222 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7223 (TG3_TX_RING_SIZE <<
7224 BDINFO_FLAGS_MAXLEN_SHIFT),
7225 NIC_SRAM_TX_BUFFER_DESC);
7227 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7228 (TG3_RX_RCB_RING_SIZE(tp) <<
7229 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7232 txrcb += TG3_BDINFO_SIZE;
7233 rxrcb += TG3_BDINFO_SIZE;
7237 /* tp->lock is held. */
7238 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
7240 u32 val, rdmac_mode;
7242 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
7244 tg3_disable_ints(tp);
7248 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7250 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
7251 tg3_abort_hw(tp, 1);
7255 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
7258 err = tg3_chip_reset(tp);
7262 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7264 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
7265 val = tr32(TG3_CPMU_CTRL);
7266 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7267 tw32(TG3_CPMU_CTRL, val);
7269 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7270 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7271 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7272 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7274 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7275 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7276 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7277 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7279 val = tr32(TG3_CPMU_HST_ACC);
7280 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7281 val |= CPMU_HST_ACC_MACCLK_6_25;
7282 tw32(TG3_CPMU_HST_ACC, val);
7285 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7286 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7287 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7288 PCIE_PWR_MGMT_L1_THRESH_4MS;
7289 tw32(PCIE_PWR_MGMT_THRESH, val);
7291 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7292 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7294 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
7296 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7297 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
7300 /* This works around an issue with Athlon chipsets on
7301 * B3 tigon3 silicon. This bit has no effect on any
7302 * other revision. But do not set this on PCI Express
7303 * chips and don't even touch the clocks if the CPMU is present.
7305 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7306 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7307 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7308 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7311 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7312 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7313 val = tr32(TG3PCI_PCISTATE);
7314 val |= PCISTATE_RETRY_SAME_DMA;
7315 tw32(TG3PCI_PCISTATE, val);
7318 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7319 /* Allow reads and writes to the
7320 * APE register and memory space.
7322 val = tr32(TG3PCI_PCISTATE);
7323 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7324 PCISTATE_ALLOW_APE_SHMEM_WR;
7325 tw32(TG3PCI_PCISTATE, val);
7328 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7329 /* Enable some hw fixes. */
7330 val = tr32(TG3PCI_MSI_DATA);
7331 val |= (1 << 26) | (1 << 28) | (1 << 29);
7332 tw32(TG3PCI_MSI_DATA, val);
7335 /* Descriptor ring init may make accesses to the
7336 * NIC SRAM area to setup the TX descriptors, so we
7337 * can only do this after the hardware has been
7338 * successfully reset.
7340 err = tg3_init_rings(tp);
7344 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
7345 val = tr32(TG3PCI_DMA_RW_CTRL) &
7346 ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7347 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7348 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7349 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
7350 /* This value is determined during the probe time DMA
7351 * engine test, tg3_test_dma.
7353 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7356 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7357 GRC_MODE_4X_NIC_SEND_RINGS |
7358 GRC_MODE_NO_TX_PHDR_CSUM |
7359 GRC_MODE_NO_RX_PHDR_CSUM);
7360 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
7362 /* Pseudo-header checksum is done by hardware logic and not
7363 * the offload processers, so make the chip do the pseudo-
7364 * header checksums on receive. For transmit it is more
7365 * convenient to do the pseudo-header checksum in software
7366 * as Linux does that on transmit for us in all cases.
7368 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
7372 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7374 /* Setup the timer prescalar register. Clock is always 66Mhz. */
7375 val = tr32(GRC_MISC_CFG);
7377 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7378 tw32(GRC_MISC_CFG, val);
7380 /* Initialize MBUF/DESC pool. */
7381 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7383 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7384 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7385 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7386 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7388 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7389 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7390 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7392 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7395 fw_len = tp->fw_len;
7396 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7397 tw32(BUFMGR_MB_POOL_ADDR,
7398 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7399 tw32(BUFMGR_MB_POOL_SIZE,
7400 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
7403 if (tp->dev->mtu <= ETH_DATA_LEN) {
7404 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7405 tp->bufmgr_config.mbuf_read_dma_low_water);
7406 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7407 tp->bufmgr_config.mbuf_mac_rx_low_water);
7408 tw32(BUFMGR_MB_HIGH_WATER,
7409 tp->bufmgr_config.mbuf_high_water);
7411 tw32(BUFMGR_MB_RDMA_LOW_WATER,
7412 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
7413 tw32(BUFMGR_MB_MACRX_LOW_WATER,
7414 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
7415 tw32(BUFMGR_MB_HIGH_WATER,
7416 tp->bufmgr_config.mbuf_high_water_jumbo);
7418 tw32(BUFMGR_DMA_LOW_WATER,
7419 tp->bufmgr_config.dma_low_water);
7420 tw32(BUFMGR_DMA_HIGH_WATER,
7421 tp->bufmgr_config.dma_high_water);
7423 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
7424 for (i = 0; i < 2000; i++) {
7425 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
7430 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
7435 /* Setup replenish threshold. */
7436 val = tp->rx_pending / 8;
7439 else if (val > tp->rx_std_max_post)
7440 val = tp->rx_std_max_post;
7441 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7442 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
7443 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
7445 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
7446 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
7449 tw32(RCVBDI_STD_THRESH, val);
7451 /* Initialize TG3_BDINFO's at:
7452 * RCVDBDI_STD_BD: standard eth size rx ring
7453 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
7454 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
7457 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
7458 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
7459 * ring attribute flags
7460 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
7462 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
7463 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
7465 * The size of each ring is fixed in the firmware, but the location is
7468 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7469 ((u64) tpr->rx_std_mapping >> 32));
7470 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7471 ((u64) tpr->rx_std_mapping & 0xffffffff));
7472 if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
7473 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
7474 NIC_SRAM_RX_BUFFER_DESC);
7476 /* Disable the mini ring */
7477 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7478 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
7479 BDINFO_FLAGS_DISABLED);
7481 /* Program the jumbo buffer descriptor ring control
7482 * blocks on those devices that have them.
7484 if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
7485 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
7486 /* Setup replenish threshold. */
7487 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
7489 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
7490 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
7491 ((u64) tpr->rx_jmb_mapping >> 32));
7492 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
7493 ((u64) tpr->rx_jmb_mapping & 0xffffffff));
7494 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7495 (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
7496 BDINFO_FLAGS_USE_EXT_RECV);
7497 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7498 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
7499 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
7501 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
7502 BDINFO_FLAGS_DISABLED);
7505 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
7506 val = (RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT) |
7507 (RX_STD_MAX_SIZE << 2);
7509 val = RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT;
7511 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
7513 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
7515 tpr->rx_std_ptr = tp->rx_pending;
7516 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
7519 tpr->rx_jmb_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
7520 tp->rx_jumbo_pending : 0;
7521 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
7524 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
7525 tw32(STD_REPLENISH_LWM, 32);
7526 tw32(JMB_REPLENISH_LWM, 16);
7529 tg3_rings_reset(tp);
7531 /* Initialize MAC address and backoff seed. */
7532 __tg3_set_mac_addr(tp, 0);
7534 /* MTU + ethernet header + FCS + optional VLAN tag */
7535 tw32(MAC_RX_MTU_SIZE,
7536 tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
7538 /* The slot time is changed by tg3_setup_phy if we
7539 * run at gigabit with half duplex.
7541 tw32(MAC_TX_LENGTHS,
7542 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
7543 (6 << TX_LENGTHS_IPG_SHIFT) |
7544 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
7546 /* Receive rules. */
7547 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
7548 tw32(RCVLPC_CONFIG, 0x0181);
7550 /* Calculate RDMAC_MODE setting early, we need it to determine
7551 * the RCVLPC_STATE_ENABLE mask.
7553 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7554 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7555 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7556 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7557 RDMAC_MODE_LNGREAD_ENAB);
7559 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
7560 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7561 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7562 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7563 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7564 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7566 /* If statement applies to 5705 and 5750 PCI devices only */
7567 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7568 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7569 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
7570 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7571 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7572 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7573 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7574 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7575 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7579 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7580 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7582 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7583 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7585 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
7586 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7587 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7588 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7590 /* Receive/send statistics. */
7591 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7592 val = tr32(RCVLPC_STATS_ENABLE);
7593 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7594 tw32(RCVLPC_STATS_ENABLE, val);
7595 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7596 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7597 val = tr32(RCVLPC_STATS_ENABLE);
7598 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7599 tw32(RCVLPC_STATS_ENABLE, val);
7601 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7603 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7604 tw32(SNDDATAI_STATSENAB, 0xffffff);
7605 tw32(SNDDATAI_STATSCTRL,
7606 (SNDDATAI_SCTRL_ENABLE |
7607 SNDDATAI_SCTRL_FASTUPD));
7609 /* Setup host coalescing engine. */
7610 tw32(HOSTCC_MODE, 0);
7611 for (i = 0; i < 2000; i++) {
7612 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7617 __tg3_set_coalesce(tp, &tp->coal);
7619 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7620 /* Status/statistics block address. See tg3_timer,
7621 * the tg3_periodic_fetch_stats call there, and
7622 * tg3_get_stats to see how this works for 5705/5750 chips.
7624 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7625 ((u64) tp->stats_mapping >> 32));
7626 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7627 ((u64) tp->stats_mapping & 0xffffffff));
7628 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7630 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7632 /* Clear statistics and status block memory areas */
7633 for (i = NIC_SRAM_STATS_BLK;
7634 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7636 tg3_write_mem(tp, i, 0);
7641 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
7643 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
7644 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
7645 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7646 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
7648 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7649 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
7650 /* reset to prevent losing 1st rx packet intermittently */
7651 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7655 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7656 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
7659 tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
7660 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
7661 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7662 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7663 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
7664 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
7665 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
7668 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
7669 * If TG3_FLG2_IS_NIC is zero, we should read the
7670 * register to preserve the GPIO settings for LOMs. The GPIOs,
7671 * whether used as inputs or outputs, are set by boot code after
7674 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
7677 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
7678 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
7679 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
7681 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
7682 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
7683 GRC_LCLCTRL_GPIO_OUTPUT3;
7685 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7686 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
7688 tp->grc_local_ctrl &= ~gpio_mask;
7689 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
7691 /* GPIO1 must be driven high for eeprom write protect */
7692 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
7693 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
7694 GRC_LCLCTRL_GPIO_OUTPUT1);
7696 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7699 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
7700 val = tr32(MSGINT_MODE);
7701 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
7702 tw32(MSGINT_MODE, val);
7705 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7706 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
7710 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
7711 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
7712 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
7713 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
7714 WDMAC_MODE_LNGREAD_ENAB);
7716 /* If statement applies to 5705 and 5750 PCI devices only */
7717 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7718 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7719 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
7720 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
7721 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
7722 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
7724 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7725 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
7726 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
7727 val |= WDMAC_MODE_RX_ACCEL;
7731 /* Enable host coalescing bug fix */
7732 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7733 val |= WDMAC_MODE_STATUS_TAG_FIX;
7735 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
7736 val |= WDMAC_MODE_BURST_ALL_DATA;
7738 tw32_f(WDMAC_MODE, val);
7741 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
7744 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7746 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
7747 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
7748 pcix_cmd |= PCI_X_CMD_READ_2K;
7749 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
7750 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
7751 pcix_cmd |= PCI_X_CMD_READ_2K;
7753 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7757 tw32_f(RDMAC_MODE, rdmac_mode);
7760 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
7761 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7762 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
7764 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
7766 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
7768 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
7770 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
7771 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
7772 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
7773 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
7774 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7775 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
7776 val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
7777 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
7778 val |= SNDBDI_MODE_MULTI_TXQ_EN;
7779 tw32(SNDBDI_MODE, val);
7780 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
7782 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7783 err = tg3_load_5701_a0_firmware_fix(tp);
7788 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7789 err = tg3_load_tso_firmware(tp);
7794 tp->tx_mode = TX_MODE_ENABLE;
7795 tw32_f(MAC_TX_MODE, tp->tx_mode);
7798 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
7799 u32 reg = MAC_RSS_INDIR_TBL_0;
7800 u8 *ent = (u8 *)&val;
7802 /* Setup the indirection table */
7803 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
7804 int idx = i % sizeof(val);
7806 ent[idx] = i % (tp->irq_cnt - 1);
7807 if (idx == sizeof(val) - 1) {
7813 /* Setup the "secret" hash key. */
7814 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
7815 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
7816 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
7817 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
7818 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
7819 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
7820 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
7821 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
7822 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
7823 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
7826 tp->rx_mode = RX_MODE_ENABLE;
7827 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7828 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
7830 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
7831 tp->rx_mode |= RX_MODE_RSS_ENABLE |
7832 RX_MODE_RSS_ITBL_HASH_BITS_7 |
7833 RX_MODE_RSS_IPV6_HASH_EN |
7834 RX_MODE_RSS_TCP_IPV6_HASH_EN |
7835 RX_MODE_RSS_IPV4_HASH_EN |
7836 RX_MODE_RSS_TCP_IPV4_HASH_EN;
7838 tw32_f(MAC_RX_MODE, tp->rx_mode);
7841 tw32(MAC_LED_CTRL, tp->led_ctrl);
7843 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
7844 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7845 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7848 tw32_f(MAC_RX_MODE, tp->rx_mode);
7851 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7852 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
7853 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
7854 /* Set drive transmission level to 1.2V */
7855 /* only if the signal pre-emphasis bit is not set */
7856 val = tr32(MAC_SERDES_CFG);
7859 tw32(MAC_SERDES_CFG, val);
7861 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
7862 tw32(MAC_SERDES_CFG, 0x616000);
7865 /* Prevent chip from dropping frames when flow control
7868 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
7870 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
7871 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
7872 /* Use hardware link auto-negotiation */
7873 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
7876 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
7877 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
7880 tmp = tr32(SERDES_RX_CTRL);
7881 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
7882 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
7883 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
7884 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7887 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
7888 if (tp->link_config.phy_is_low_power) {
7889 tp->link_config.phy_is_low_power = 0;
7890 tp->link_config.speed = tp->link_config.orig_speed;
7891 tp->link_config.duplex = tp->link_config.orig_duplex;
7892 tp->link_config.autoneg = tp->link_config.orig_autoneg;
7895 err = tg3_setup_phy(tp, 0);
7899 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7900 !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET)) {
7903 /* Clear CRC stats. */
7904 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
7905 tg3_writephy(tp, MII_TG3_TEST1,
7906 tmp | MII_TG3_TEST1_CRC_EN);
7907 tg3_readphy(tp, 0x14, &tmp);
7912 __tg3_set_rx_mode(tp->dev);
7914 /* Initialize receive rules. */
7915 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
7916 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
7917 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
7918 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
7920 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7921 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
7925 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
7929 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
7931 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
7933 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
7935 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
7937 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
7939 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
7941 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
7943 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
7945 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
7947 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
7949 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
7951 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
7953 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
7955 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
7963 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7964 /* Write our heartbeat update interval to APE. */
7965 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
7966 APE_HOST_HEARTBEAT_INT_DISABLE);
7968 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
7973 /* Called at device open time to get the chip ready for
7974 * packet processing. Invoked with tp->lock held.
7976 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
7978 tg3_switch_clocks(tp);
7980 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
7982 return tg3_reset_hw(tp, reset_phy);
7985 #define TG3_STAT_ADD32(PSTAT, REG) \
7986 do { u32 __val = tr32(REG); \
7987 (PSTAT)->low += __val; \
7988 if ((PSTAT)->low < __val) \
7989 (PSTAT)->high += 1; \
7992 static void tg3_periodic_fetch_stats(struct tg3 *tp)
7994 struct tg3_hw_stats *sp = tp->hw_stats;
7996 if (!netif_carrier_ok(tp->dev))
7999 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
8000 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
8001 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
8002 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
8003 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
8004 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
8005 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
8006 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
8007 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
8008 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
8009 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
8010 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
8011 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
8013 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
8014 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
8015 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
8016 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
8017 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
8018 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
8019 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
8020 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
8021 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
8022 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
8023 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
8024 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
8025 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
8026 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
8028 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
8029 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
8030 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
8033 static void tg3_timer(unsigned long __opaque)
8035 struct tg3 *tp = (struct tg3 *) __opaque;
8040 spin_lock(&tp->lock);
8042 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8043 /* All of this garbage is because when using non-tagged
8044 * IRQ status the mailbox/status_block protocol the chip
8045 * uses with the cpu is race prone.
8047 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
8048 tw32(GRC_LOCAL_CTRL,
8049 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8051 tw32(HOSTCC_MODE, tp->coalesce_mode |
8052 HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
8055 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8056 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
8057 spin_unlock(&tp->lock);
8058 schedule_work(&tp->reset_task);
8063 /* This part only runs once per second. */
8064 if (!--tp->timer_counter) {
8065 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8066 tg3_periodic_fetch_stats(tp);
8068 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8072 mac_stat = tr32(MAC_STATUS);
8075 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
8076 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8078 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8082 tg3_setup_phy(tp, 0);
8083 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8084 u32 mac_stat = tr32(MAC_STATUS);
8087 if (netif_carrier_ok(tp->dev) &&
8088 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8091 if (! netif_carrier_ok(tp->dev) &&
8092 (mac_stat & (MAC_STATUS_PCS_SYNCED |
8093 MAC_STATUS_SIGNAL_DET))) {
8097 if (!tp->serdes_counter) {
8100 ~MAC_MODE_PORT_MODE_MASK));
8102 tw32_f(MAC_MODE, tp->mac_mode);
8105 tg3_setup_phy(tp, 0);
8107 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8108 tg3_serdes_parallel_detect(tp);
8110 tp->timer_counter = tp->timer_multiplier;
8113 /* Heartbeat is only sent once every 2 seconds.
8115 * The heartbeat is to tell the ASF firmware that the host
8116 * driver is still alive. In the event that the OS crashes,
8117 * ASF needs to reset the hardware to free up the FIFO space
8118 * that may be filled with rx packets destined for the host.
8119 * If the FIFO is full, ASF will no longer function properly.
8121 * Unintended resets have been reported on real time kernels
8122 * where the timer doesn't run on time. Netpoll will also have
8125 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8126 * to check the ring condition when the heartbeat is expiring
8127 * before doing the reset. This will prevent most unintended
8130 if (!--tp->asf_counter) {
8131 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8132 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
8133 tg3_wait_for_event_ack(tp);
8135 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
8136 FWCMD_NICDRV_ALIVE3);
8137 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
8138 /* 5 seconds timeout */
8139 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
8141 tg3_generate_fw_event(tp);
8143 tp->asf_counter = tp->asf_multiplier;
8146 spin_unlock(&tp->lock);
8149 tp->timer.expires = jiffies + tp->timer_offset;
8150 add_timer(&tp->timer);
8153 static int tg3_request_irq(struct tg3 *tp, int irq_num)
8156 unsigned long flags;
8158 struct tg3_napi *tnapi = &tp->napi[irq_num];
8160 if (tp->irq_cnt == 1)
8161 name = tp->dev->name;
8163 name = &tnapi->irq_lbl[0];
8164 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8165 name[IFNAMSIZ-1] = 0;
8168 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8170 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8172 flags = IRQF_SAMPLE_RANDOM;
8175 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8176 fn = tg3_interrupt_tagged;
8177 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
8180 return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
8183 static int tg3_test_interrupt(struct tg3 *tp)
8185 struct tg3_napi *tnapi = &tp->napi[0];
8186 struct net_device *dev = tp->dev;
8187 int err, i, intr_ok = 0;
8190 if (!netif_running(dev))
8193 tg3_disable_ints(tp);
8195 free_irq(tnapi->irq_vec, tnapi);
8198 * Turn off MSI one shot mode. Otherwise this test has no
8199 * observable way to know whether the interrupt was delivered.
8201 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
8202 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8203 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8204 tw32(MSGINT_MODE, val);
8207 err = request_irq(tnapi->irq_vec, tg3_test_isr,
8208 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
8212 tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
8213 tg3_enable_ints(tp);
8215 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8218 for (i = 0; i < 5; i++) {
8219 u32 int_mbox, misc_host_ctrl;
8221 int_mbox = tr32_mailbox(tnapi->int_mbox);
8222 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8224 if ((int_mbox != 0) ||
8225 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8233 tg3_disable_ints(tp);
8235 free_irq(tnapi->irq_vec, tnapi);
8237 err = tg3_request_irq(tp, 0);
8243 /* Reenable MSI one shot mode. */
8244 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
8245 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8246 val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8247 tw32(MSGINT_MODE, val);
8255 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8256 * successfully restored
8258 static int tg3_test_msi(struct tg3 *tp)
8263 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8266 /* Turn off SERR reporting in case MSI terminates with Master
8269 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8270 pci_write_config_word(tp->pdev, PCI_COMMAND,
8271 pci_cmd & ~PCI_COMMAND_SERR);
8273 err = tg3_test_interrupt(tp);
8275 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8280 /* other failures */
8284 /* MSI test failed, go back to INTx mode */
8285 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
8286 "switching to INTx mode. Please report this failure to "
8287 "the PCI maintainer and include system chipset information.\n",
8290 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8292 pci_disable_msi(tp->pdev);
8294 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8296 err = tg3_request_irq(tp, 0);
8300 /* Need to reset the chip because the MSI cycle may have terminated
8301 * with Master Abort.
8303 tg3_full_lock(tp, 1);
8305 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8306 err = tg3_init_hw(tp, 1);
8308 tg3_full_unlock(tp);
8311 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8316 static int tg3_request_firmware(struct tg3 *tp)
8318 const __be32 *fw_data;
8320 if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8321 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
8322 tp->dev->name, tp->fw_needed);
8326 fw_data = (void *)tp->fw->data;
8328 /* Firmware blob starts with version numbers, followed by
8329 * start address and _full_ length including BSS sections
8330 * (which must be longer than the actual data, of course
8333 tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */
8334 if (tp->fw_len < (tp->fw->size - 12)) {
8335 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
8336 tp->dev->name, tp->fw_len, tp->fw_needed);
8337 release_firmware(tp->fw);
8342 /* We no longer need firmware; we have it. */
8343 tp->fw_needed = NULL;
8347 static bool tg3_enable_msix(struct tg3 *tp)
8349 int i, rc, cpus = num_online_cpus();
8350 struct msix_entry msix_ent[tp->irq_max];
8353 /* Just fallback to the simpler MSI mode. */
8357 * We want as many rx rings enabled as there are cpus.
8358 * The first MSIX vector only deals with link interrupts, etc,
8359 * so we add one to the number of vectors we are requesting.
8361 tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
8363 for (i = 0; i < tp->irq_max; i++) {
8364 msix_ent[i].entry = i;
8365 msix_ent[i].vector = 0;
8368 rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
8370 if (rc < TG3_RSS_MIN_NUM_MSIX_VECS)
8372 if (pci_enable_msix(tp->pdev, msix_ent, rc))
8375 "%s: Requested %d MSI-X vectors, received %d\n",
8376 tp->dev->name, tp->irq_cnt, rc);
8380 tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
8382 for (i = 0; i < tp->irq_max; i++)
8383 tp->napi[i].irq_vec = msix_ent[i].vector;
8385 tp->dev->real_num_tx_queues = tp->irq_cnt - 1;
8390 static void tg3_ints_init(struct tg3 *tp)
8392 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
8393 !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8394 /* All MSI supporting chips should support tagged
8395 * status. Assert that this is the case.
8397 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
8398 "Not using MSI.\n", tp->dev->name);
8402 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
8403 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
8404 else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
8405 pci_enable_msi(tp->pdev) == 0)
8406 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
8408 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8409 u32 msi_mode = tr32(MSGINT_MODE);
8410 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8411 msi_mode |= MSGINT_MODE_MULTIVEC_EN;
8412 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
8415 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
8417 tp->napi[0].irq_vec = tp->pdev->irq;
8418 tp->dev->real_num_tx_queues = 1;
8422 static void tg3_ints_fini(struct tg3 *tp)
8424 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
8425 pci_disable_msix(tp->pdev);
8426 else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
8427 pci_disable_msi(tp->pdev);
8428 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
8429 tp->tg3_flags3 &= ~TG3_FLG3_ENABLE_RSS;
8432 static int tg3_open(struct net_device *dev)
8434 struct tg3 *tp = netdev_priv(dev);
8437 if (tp->fw_needed) {
8438 err = tg3_request_firmware(tp);
8439 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8443 printk(KERN_WARNING "%s: TSO capability disabled.\n",
8445 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
8446 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8447 printk(KERN_NOTICE "%s: TSO capability restored.\n",
8449 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
8453 netif_carrier_off(tp->dev);
8455 err = tg3_set_power_state(tp, PCI_D0);
8459 tg3_full_lock(tp, 0);
8461 tg3_disable_ints(tp);
8462 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8464 tg3_full_unlock(tp);
8467 * Setup interrupts first so we know how
8468 * many NAPI resources to allocate
8472 /* The placement of this call is tied
8473 * to the setup and use of Host TX descriptors.
8475 err = tg3_alloc_consistent(tp);
8479 tg3_napi_enable(tp);
8481 for (i = 0; i < tp->irq_cnt; i++) {
8482 struct tg3_napi *tnapi = &tp->napi[i];
8483 err = tg3_request_irq(tp, i);
8485 for (i--; i >= 0; i--)
8486 free_irq(tnapi->irq_vec, tnapi);
8494 tg3_full_lock(tp, 0);
8496 err = tg3_init_hw(tp, 1);
8498 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8501 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8502 tp->timer_offset = HZ;
8504 tp->timer_offset = HZ / 10;
8506 BUG_ON(tp->timer_offset > HZ);
8507 tp->timer_counter = tp->timer_multiplier =
8508 (HZ / tp->timer_offset);
8509 tp->asf_counter = tp->asf_multiplier =
8510 ((HZ / tp->timer_offset) * 2);
8512 init_timer(&tp->timer);
8513 tp->timer.expires = jiffies + tp->timer_offset;
8514 tp->timer.data = (unsigned long) tp;
8515 tp->timer.function = tg3_timer;
8518 tg3_full_unlock(tp);
8523 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8524 err = tg3_test_msi(tp);
8527 tg3_full_lock(tp, 0);
8528 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8530 tg3_full_unlock(tp);
8535 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
8536 (tp->tg3_flags2 & TG3_FLG2_USING_MSI) &&
8537 (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)) {
8538 u32 val = tr32(PCIE_TRANSACTION_CFG);
8540 tw32(PCIE_TRANSACTION_CFG,
8541 val | PCIE_TRANS_CFG_1SHOT_MSI);
8547 tg3_full_lock(tp, 0);
8549 add_timer(&tp->timer);
8550 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8551 tg3_enable_ints(tp);
8553 tg3_full_unlock(tp);
8555 netif_tx_start_all_queues(dev);
8560 for (i = tp->irq_cnt - 1; i >= 0; i--) {
8561 struct tg3_napi *tnapi = &tp->napi[i];
8562 free_irq(tnapi->irq_vec, tnapi);
8566 tg3_napi_disable(tp);
8567 tg3_free_consistent(tp);
8575 /*static*/ void tg3_dump_state(struct tg3 *tp)
8577 u32 val32, val32_2, val32_3, val32_4, val32_5;
8580 struct tg3_hw_status *sblk = tp->napi[0]->hw_status;
8582 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
8583 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
8584 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
8588 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
8589 tr32(MAC_MODE), tr32(MAC_STATUS));
8590 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
8591 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
8592 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
8593 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
8594 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
8595 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
8597 /* Send data initiator control block */
8598 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
8599 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
8600 printk(" SNDDATAI_STATSCTRL[%08x]\n",
8601 tr32(SNDDATAI_STATSCTRL));
8603 /* Send data completion control block */
8604 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
8606 /* Send BD ring selector block */
8607 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
8608 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
8610 /* Send BD initiator control block */
8611 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
8612 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
8614 /* Send BD completion control block */
8615 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
8617 /* Receive list placement control block */
8618 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
8619 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
8620 printk(" RCVLPC_STATSCTRL[%08x]\n",
8621 tr32(RCVLPC_STATSCTRL));
8623 /* Receive data and receive BD initiator control block */
8624 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
8625 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
8627 /* Receive data completion control block */
8628 printk("DEBUG: RCVDCC_MODE[%08x]\n",
8631 /* Receive BD initiator control block */
8632 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
8633 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
8635 /* Receive BD completion control block */
8636 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
8637 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
8639 /* Receive list selector control block */
8640 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
8641 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
8643 /* Mbuf cluster free block */
8644 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
8645 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
8647 /* Host coalescing control block */
8648 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
8649 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
8650 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
8651 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8652 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8653 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
8654 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
8655 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
8656 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
8657 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
8658 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
8659 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
8661 /* Memory arbiter control block */
8662 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
8663 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
8665 /* Buffer manager control block */
8666 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
8667 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
8668 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
8669 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
8670 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
8671 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
8672 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
8673 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
8675 /* Read DMA control block */
8676 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
8677 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
8679 /* Write DMA control block */
8680 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
8681 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
8683 /* DMA completion block */
8684 printk("DEBUG: DMAC_MODE[%08x]\n",
8688 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
8689 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
8690 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
8691 tr32(GRC_LOCAL_CTRL));
8694 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
8695 tr32(RCVDBDI_JUMBO_BD + 0x0),
8696 tr32(RCVDBDI_JUMBO_BD + 0x4),
8697 tr32(RCVDBDI_JUMBO_BD + 0x8),
8698 tr32(RCVDBDI_JUMBO_BD + 0xc));
8699 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
8700 tr32(RCVDBDI_STD_BD + 0x0),
8701 tr32(RCVDBDI_STD_BD + 0x4),
8702 tr32(RCVDBDI_STD_BD + 0x8),
8703 tr32(RCVDBDI_STD_BD + 0xc));
8704 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
8705 tr32(RCVDBDI_MINI_BD + 0x0),
8706 tr32(RCVDBDI_MINI_BD + 0x4),
8707 tr32(RCVDBDI_MINI_BD + 0x8),
8708 tr32(RCVDBDI_MINI_BD + 0xc));
8710 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
8711 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
8712 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
8713 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
8714 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
8715 val32, val32_2, val32_3, val32_4);
8717 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
8718 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
8719 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
8720 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
8721 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
8722 val32, val32_2, val32_3, val32_4);
8724 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
8725 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
8726 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
8727 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
8728 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
8729 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
8730 val32, val32_2, val32_3, val32_4, val32_5);
8732 /* SW status block */
8734 "Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
8737 sblk->rx_jumbo_consumer,
8739 sblk->rx_mini_consumer,
8740 sblk->idx[0].rx_producer,
8741 sblk->idx[0].tx_consumer);
8743 /* SW statistics block */
8744 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
8745 ((u32 *)tp->hw_stats)[0],
8746 ((u32 *)tp->hw_stats)[1],
8747 ((u32 *)tp->hw_stats)[2],
8748 ((u32 *)tp->hw_stats)[3]);
8751 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
8752 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
8753 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
8754 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
8755 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
8757 /* NIC side send descriptors. */
8758 for (i = 0; i < 6; i++) {
8761 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
8762 + (i * sizeof(struct tg3_tx_buffer_desc));
8763 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
8765 readl(txd + 0x0), readl(txd + 0x4),
8766 readl(txd + 0x8), readl(txd + 0xc));
8769 /* NIC side RX descriptors. */
8770 for (i = 0; i < 6; i++) {
8773 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
8774 + (i * sizeof(struct tg3_rx_buffer_desc));
8775 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
8777 readl(rxd + 0x0), readl(rxd + 0x4),
8778 readl(rxd + 0x8), readl(rxd + 0xc));
8779 rxd += (4 * sizeof(u32));
8780 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
8782 readl(rxd + 0x0), readl(rxd + 0x4),
8783 readl(rxd + 0x8), readl(rxd + 0xc));
8786 for (i = 0; i < 6; i++) {
8789 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
8790 + (i * sizeof(struct tg3_rx_buffer_desc));
8791 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
8793 readl(rxd + 0x0), readl(rxd + 0x4),
8794 readl(rxd + 0x8), readl(rxd + 0xc));
8795 rxd += (4 * sizeof(u32));
8796 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
8798 readl(rxd + 0x0), readl(rxd + 0x4),
8799 readl(rxd + 0x8), readl(rxd + 0xc));
8804 static struct net_device_stats *tg3_get_stats(struct net_device *);
8805 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
8807 static int tg3_close(struct net_device *dev)
8810 struct tg3 *tp = netdev_priv(dev);
8812 tg3_napi_disable(tp);
8813 cancel_work_sync(&tp->reset_task);
8815 netif_tx_stop_all_queues(dev);
8817 del_timer_sync(&tp->timer);
8821 tg3_full_lock(tp, 1);
8826 tg3_disable_ints(tp);
8828 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8830 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8832 tg3_full_unlock(tp);
8834 for (i = tp->irq_cnt - 1; i >= 0; i--) {
8835 struct tg3_napi *tnapi = &tp->napi[i];
8836 free_irq(tnapi->irq_vec, tnapi);
8841 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
8842 sizeof(tp->net_stats_prev));
8843 memcpy(&tp->estats_prev, tg3_get_estats(tp),
8844 sizeof(tp->estats_prev));
8846 tg3_free_consistent(tp);
8848 tg3_set_power_state(tp, PCI_D3hot);
8850 netif_carrier_off(tp->dev);
8855 static inline unsigned long get_stat64(tg3_stat64_t *val)
8859 #if (BITS_PER_LONG == 32)
8862 ret = ((u64)val->high << 32) | ((u64)val->low);
8867 static inline u64 get_estat64(tg3_stat64_t *val)
8869 return ((u64)val->high << 32) | ((u64)val->low);
8872 static unsigned long calc_crc_errors(struct tg3 *tp)
8874 struct tg3_hw_stats *hw_stats = tp->hw_stats;
8876 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8877 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
8878 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
8881 spin_lock_bh(&tp->lock);
8882 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
8883 tg3_writephy(tp, MII_TG3_TEST1,
8884 val | MII_TG3_TEST1_CRC_EN);
8885 tg3_readphy(tp, 0x14, &val);
8888 spin_unlock_bh(&tp->lock);
8890 tp->phy_crc_errors += val;
8892 return tp->phy_crc_errors;
8895 return get_stat64(&hw_stats->rx_fcs_errors);
8898 #define ESTAT_ADD(member) \
8899 estats->member = old_estats->member + \
8900 get_estat64(&hw_stats->member)
8902 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
8904 struct tg3_ethtool_stats *estats = &tp->estats;
8905 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
8906 struct tg3_hw_stats *hw_stats = tp->hw_stats;
8911 ESTAT_ADD(rx_octets);
8912 ESTAT_ADD(rx_fragments);
8913 ESTAT_ADD(rx_ucast_packets);
8914 ESTAT_ADD(rx_mcast_packets);
8915 ESTAT_ADD(rx_bcast_packets);
8916 ESTAT_ADD(rx_fcs_errors);
8917 ESTAT_ADD(rx_align_errors);
8918 ESTAT_ADD(rx_xon_pause_rcvd);
8919 ESTAT_ADD(rx_xoff_pause_rcvd);
8920 ESTAT_ADD(rx_mac_ctrl_rcvd);
8921 ESTAT_ADD(rx_xoff_entered);
8922 ESTAT_ADD(rx_frame_too_long_errors);
8923 ESTAT_ADD(rx_jabbers);
8924 ESTAT_ADD(rx_undersize_packets);
8925 ESTAT_ADD(rx_in_length_errors);
8926 ESTAT_ADD(rx_out_length_errors);
8927 ESTAT_ADD(rx_64_or_less_octet_packets);
8928 ESTAT_ADD(rx_65_to_127_octet_packets);
8929 ESTAT_ADD(rx_128_to_255_octet_packets);
8930 ESTAT_ADD(rx_256_to_511_octet_packets);
8931 ESTAT_ADD(rx_512_to_1023_octet_packets);
8932 ESTAT_ADD(rx_1024_to_1522_octet_packets);
8933 ESTAT_ADD(rx_1523_to_2047_octet_packets);
8934 ESTAT_ADD(rx_2048_to_4095_octet_packets);
8935 ESTAT_ADD(rx_4096_to_8191_octet_packets);
8936 ESTAT_ADD(rx_8192_to_9022_octet_packets);
8938 ESTAT_ADD(tx_octets);
8939 ESTAT_ADD(tx_collisions);
8940 ESTAT_ADD(tx_xon_sent);
8941 ESTAT_ADD(tx_xoff_sent);
8942 ESTAT_ADD(tx_flow_control);
8943 ESTAT_ADD(tx_mac_errors);
8944 ESTAT_ADD(tx_single_collisions);
8945 ESTAT_ADD(tx_mult_collisions);
8946 ESTAT_ADD(tx_deferred);
8947 ESTAT_ADD(tx_excessive_collisions);
8948 ESTAT_ADD(tx_late_collisions);
8949 ESTAT_ADD(tx_collide_2times);
8950 ESTAT_ADD(tx_collide_3times);
8951 ESTAT_ADD(tx_collide_4times);
8952 ESTAT_ADD(tx_collide_5times);
8953 ESTAT_ADD(tx_collide_6times);
8954 ESTAT_ADD(tx_collide_7times);
8955 ESTAT_ADD(tx_collide_8times);
8956 ESTAT_ADD(tx_collide_9times);
8957 ESTAT_ADD(tx_collide_10times);
8958 ESTAT_ADD(tx_collide_11times);
8959 ESTAT_ADD(tx_collide_12times);
8960 ESTAT_ADD(tx_collide_13times);
8961 ESTAT_ADD(tx_collide_14times);
8962 ESTAT_ADD(tx_collide_15times);
8963 ESTAT_ADD(tx_ucast_packets);
8964 ESTAT_ADD(tx_mcast_packets);
8965 ESTAT_ADD(tx_bcast_packets);
8966 ESTAT_ADD(tx_carrier_sense_errors);
8967 ESTAT_ADD(tx_discards);
8968 ESTAT_ADD(tx_errors);
8970 ESTAT_ADD(dma_writeq_full);
8971 ESTAT_ADD(dma_write_prioq_full);
8972 ESTAT_ADD(rxbds_empty);
8973 ESTAT_ADD(rx_discards);
8974 ESTAT_ADD(rx_errors);
8975 ESTAT_ADD(rx_threshold_hit);
8977 ESTAT_ADD(dma_readq_full);
8978 ESTAT_ADD(dma_read_prioq_full);
8979 ESTAT_ADD(tx_comp_queue_full);
8981 ESTAT_ADD(ring_set_send_prod_index);
8982 ESTAT_ADD(ring_status_update);
8983 ESTAT_ADD(nic_irqs);
8984 ESTAT_ADD(nic_avoided_irqs);
8985 ESTAT_ADD(nic_tx_threshold_hit);
8990 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
8992 struct tg3 *tp = netdev_priv(dev);
8993 struct net_device_stats *stats = &tp->net_stats;
8994 struct net_device_stats *old_stats = &tp->net_stats_prev;
8995 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9000 stats->rx_packets = old_stats->rx_packets +
9001 get_stat64(&hw_stats->rx_ucast_packets) +
9002 get_stat64(&hw_stats->rx_mcast_packets) +
9003 get_stat64(&hw_stats->rx_bcast_packets);
9005 stats->tx_packets = old_stats->tx_packets +
9006 get_stat64(&hw_stats->tx_ucast_packets) +
9007 get_stat64(&hw_stats->tx_mcast_packets) +
9008 get_stat64(&hw_stats->tx_bcast_packets);
9010 stats->rx_bytes = old_stats->rx_bytes +
9011 get_stat64(&hw_stats->rx_octets);
9012 stats->tx_bytes = old_stats->tx_bytes +
9013 get_stat64(&hw_stats->tx_octets);
9015 stats->rx_errors = old_stats->rx_errors +
9016 get_stat64(&hw_stats->rx_errors);
9017 stats->tx_errors = old_stats->tx_errors +
9018 get_stat64(&hw_stats->tx_errors) +
9019 get_stat64(&hw_stats->tx_mac_errors) +
9020 get_stat64(&hw_stats->tx_carrier_sense_errors) +
9021 get_stat64(&hw_stats->tx_discards);
9023 stats->multicast = old_stats->multicast +
9024 get_stat64(&hw_stats->rx_mcast_packets);
9025 stats->collisions = old_stats->collisions +
9026 get_stat64(&hw_stats->tx_collisions);
9028 stats->rx_length_errors = old_stats->rx_length_errors +
9029 get_stat64(&hw_stats->rx_frame_too_long_errors) +
9030 get_stat64(&hw_stats->rx_undersize_packets);
9032 stats->rx_over_errors = old_stats->rx_over_errors +
9033 get_stat64(&hw_stats->rxbds_empty);
9034 stats->rx_frame_errors = old_stats->rx_frame_errors +
9035 get_stat64(&hw_stats->rx_align_errors);
9036 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
9037 get_stat64(&hw_stats->tx_discards);
9038 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
9039 get_stat64(&hw_stats->tx_carrier_sense_errors);
9041 stats->rx_crc_errors = old_stats->rx_crc_errors +
9042 calc_crc_errors(tp);
9044 stats->rx_missed_errors = old_stats->rx_missed_errors +
9045 get_stat64(&hw_stats->rx_discards);
9050 static inline u32 calc_crc(unsigned char *buf, int len)
9058 for (j = 0; j < len; j++) {
9061 for (k = 0; k < 8; k++) {
9075 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9077 /* accept or reject all multicast frames */
9078 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9079 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9080 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9081 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9084 static void __tg3_set_rx_mode(struct net_device *dev)
9086 struct tg3 *tp = netdev_priv(dev);
9089 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9090 RX_MODE_KEEP_VLAN_TAG);
9092 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9095 #if TG3_VLAN_TAG_USED
9097 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9098 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9100 /* By definition, VLAN is disabled always in this
9103 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9104 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9107 if (dev->flags & IFF_PROMISC) {
9108 /* Promiscuous mode. */
9109 rx_mode |= RX_MODE_PROMISC;
9110 } else if (dev->flags & IFF_ALLMULTI) {
9111 /* Accept all multicast. */
9112 tg3_set_multi (tp, 1);
9113 } else if (dev->mc_count < 1) {
9114 /* Reject all multicast. */
9115 tg3_set_multi (tp, 0);
9117 /* Accept one or more multicast(s). */
9118 struct dev_mc_list *mclist;
9120 u32 mc_filter[4] = { 0, };
9125 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
9126 i++, mclist = mclist->next) {
9128 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
9130 regidx = (bit & 0x60) >> 5;
9132 mc_filter[regidx] |= (1 << bit);
9135 tw32(MAC_HASH_REG_0, mc_filter[0]);
9136 tw32(MAC_HASH_REG_1, mc_filter[1]);
9137 tw32(MAC_HASH_REG_2, mc_filter[2]);
9138 tw32(MAC_HASH_REG_3, mc_filter[3]);
9141 if (rx_mode != tp->rx_mode) {
9142 tp->rx_mode = rx_mode;
9143 tw32_f(MAC_RX_MODE, rx_mode);
9148 static void tg3_set_rx_mode(struct net_device *dev)
9150 struct tg3 *tp = netdev_priv(dev);
9152 if (!netif_running(dev))
9155 tg3_full_lock(tp, 0);
9156 __tg3_set_rx_mode(dev);
9157 tg3_full_unlock(tp);
9160 #define TG3_REGDUMP_LEN (32 * 1024)
9162 static int tg3_get_regs_len(struct net_device *dev)
9164 return TG3_REGDUMP_LEN;
9167 static void tg3_get_regs(struct net_device *dev,
9168 struct ethtool_regs *regs, void *_p)
9171 struct tg3 *tp = netdev_priv(dev);
9177 memset(p, 0, TG3_REGDUMP_LEN);
9179 if (tp->link_config.phy_is_low_power)
9182 tg3_full_lock(tp, 0);
9184 #define __GET_REG32(reg) (*(p)++ = tr32(reg))
9185 #define GET_REG32_LOOP(base,len) \
9186 do { p = (u32 *)(orig_p + (base)); \
9187 for (i = 0; i < len; i += 4) \
9188 __GET_REG32((base) + i); \
9190 #define GET_REG32_1(reg) \
9191 do { p = (u32 *)(orig_p + (reg)); \
9192 __GET_REG32((reg)); \
9195 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9196 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9197 GET_REG32_LOOP(MAC_MODE, 0x4f0);
9198 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9199 GET_REG32_1(SNDDATAC_MODE);
9200 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9201 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9202 GET_REG32_1(SNDBDC_MODE);
9203 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9204 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9205 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9206 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9207 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9208 GET_REG32_1(RCVDCC_MODE);
9209 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9210 GET_REG32_LOOP(RCVCC_MODE, 0x14);
9211 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9212 GET_REG32_1(MBFREE_MODE);
9213 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9214 GET_REG32_LOOP(MEMARB_MODE, 0x10);
9215 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9216 GET_REG32_LOOP(RDMAC_MODE, 0x08);
9217 GET_REG32_LOOP(WDMAC_MODE, 0x08);
9218 GET_REG32_1(RX_CPU_MODE);
9219 GET_REG32_1(RX_CPU_STATE);
9220 GET_REG32_1(RX_CPU_PGMCTR);
9221 GET_REG32_1(RX_CPU_HWBKPT);
9222 GET_REG32_1(TX_CPU_MODE);
9223 GET_REG32_1(TX_CPU_STATE);
9224 GET_REG32_1(TX_CPU_PGMCTR);
9225 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9226 GET_REG32_LOOP(FTQ_RESET, 0x120);
9227 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9228 GET_REG32_1(DMAC_MODE);
9229 GET_REG32_LOOP(GRC_MODE, 0x4c);
9230 if (tp->tg3_flags & TG3_FLAG_NVRAM)
9231 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9234 #undef GET_REG32_LOOP
9237 tg3_full_unlock(tp);
9240 static int tg3_get_eeprom_len(struct net_device *dev)
9242 struct tg3 *tp = netdev_priv(dev);
9244 return tp->nvram_size;
9247 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9249 struct tg3 *tp = netdev_priv(dev);
9252 u32 i, offset, len, b_offset, b_count;
9255 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9258 if (tp->link_config.phy_is_low_power)
9261 offset = eeprom->offset;
9265 eeprom->magic = TG3_EEPROM_MAGIC;
9268 /* adjustments to start on required 4 byte boundary */
9269 b_offset = offset & 3;
9270 b_count = 4 - b_offset;
9271 if (b_count > len) {
9272 /* i.e. offset=1 len=2 */
9275 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
9278 memcpy(data, ((char*)&val) + b_offset, b_count);
9281 eeprom->len += b_count;
9284 /* read bytes upto the last 4 byte boundary */
9285 pd = &data[eeprom->len];
9286 for (i = 0; i < (len - (len & 3)); i += 4) {
9287 ret = tg3_nvram_read_be32(tp, offset + i, &val);
9292 memcpy(pd + i, &val, 4);
9297 /* read last bytes not ending on 4 byte boundary */
9298 pd = &data[eeprom->len];
9300 b_offset = offset + len - b_count;
9301 ret = tg3_nvram_read_be32(tp, b_offset, &val);
9304 memcpy(pd, &val, b_count);
9305 eeprom->len += b_count;
9310 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
9312 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9314 struct tg3 *tp = netdev_priv(dev);
9316 u32 offset, len, b_offset, odd_len;
9320 if (tp->link_config.phy_is_low_power)
9323 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9324 eeprom->magic != TG3_EEPROM_MAGIC)
9327 offset = eeprom->offset;
9330 if ((b_offset = (offset & 3))) {
9331 /* adjustments to start on required 4 byte boundary */
9332 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
9343 /* adjustments to end on required 4 byte boundary */
9345 len = (len + 3) & ~3;
9346 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
9352 if (b_offset || odd_len) {
9353 buf = kmalloc(len, GFP_KERNEL);
9357 memcpy(buf, &start, 4);
9359 memcpy(buf+len-4, &end, 4);
9360 memcpy(buf + b_offset, data, eeprom->len);
9363 ret = tg3_nvram_write_block(tp, offset, len, buf);
9371 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9373 struct tg3 *tp = netdev_priv(dev);
9375 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9376 struct phy_device *phydev;
9377 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9379 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9380 return phy_ethtool_gset(phydev, cmd);
9383 cmd->supported = (SUPPORTED_Autoneg);
9385 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
9386 cmd->supported |= (SUPPORTED_1000baseT_Half |
9387 SUPPORTED_1000baseT_Full);
9389 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
9390 cmd->supported |= (SUPPORTED_100baseT_Half |
9391 SUPPORTED_100baseT_Full |
9392 SUPPORTED_10baseT_Half |
9393 SUPPORTED_10baseT_Full |
9395 cmd->port = PORT_TP;
9397 cmd->supported |= SUPPORTED_FIBRE;
9398 cmd->port = PORT_FIBRE;
9401 cmd->advertising = tp->link_config.advertising;
9402 if (netif_running(dev)) {
9403 cmd->speed = tp->link_config.active_speed;
9404 cmd->duplex = tp->link_config.active_duplex;
9406 cmd->phy_address = tp->phy_addr;
9407 cmd->transceiver = XCVR_INTERNAL;
9408 cmd->autoneg = tp->link_config.autoneg;
9414 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9416 struct tg3 *tp = netdev_priv(dev);
9418 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9419 struct phy_device *phydev;
9420 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9422 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9423 return phy_ethtool_sset(phydev, cmd);
9426 if (cmd->autoneg != AUTONEG_ENABLE &&
9427 cmd->autoneg != AUTONEG_DISABLE)
9430 if (cmd->autoneg == AUTONEG_DISABLE &&
9431 cmd->duplex != DUPLEX_FULL &&
9432 cmd->duplex != DUPLEX_HALF)
9435 if (cmd->autoneg == AUTONEG_ENABLE) {
9436 u32 mask = ADVERTISED_Autoneg |
9438 ADVERTISED_Asym_Pause;
9440 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
9441 mask |= ADVERTISED_1000baseT_Half |
9442 ADVERTISED_1000baseT_Full;
9444 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
9445 mask |= ADVERTISED_100baseT_Half |
9446 ADVERTISED_100baseT_Full |
9447 ADVERTISED_10baseT_Half |
9448 ADVERTISED_10baseT_Full |
9451 mask |= ADVERTISED_FIBRE;
9453 if (cmd->advertising & ~mask)
9456 mask &= (ADVERTISED_1000baseT_Half |
9457 ADVERTISED_1000baseT_Full |
9458 ADVERTISED_100baseT_Half |
9459 ADVERTISED_100baseT_Full |
9460 ADVERTISED_10baseT_Half |
9461 ADVERTISED_10baseT_Full);
9463 cmd->advertising &= mask;
9465 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
9466 if (cmd->speed != SPEED_1000)
9469 if (cmd->duplex != DUPLEX_FULL)
9472 if (cmd->speed != SPEED_100 &&
9473 cmd->speed != SPEED_10)
9478 tg3_full_lock(tp, 0);
9480 tp->link_config.autoneg = cmd->autoneg;
9481 if (cmd->autoneg == AUTONEG_ENABLE) {
9482 tp->link_config.advertising = (cmd->advertising |
9483 ADVERTISED_Autoneg);
9484 tp->link_config.speed = SPEED_INVALID;
9485 tp->link_config.duplex = DUPLEX_INVALID;
9487 tp->link_config.advertising = 0;
9488 tp->link_config.speed = cmd->speed;
9489 tp->link_config.duplex = cmd->duplex;
9492 tp->link_config.orig_speed = tp->link_config.speed;
9493 tp->link_config.orig_duplex = tp->link_config.duplex;
9494 tp->link_config.orig_autoneg = tp->link_config.autoneg;
9496 if (netif_running(dev))
9497 tg3_setup_phy(tp, 1);
9499 tg3_full_unlock(tp);
9504 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9506 struct tg3 *tp = netdev_priv(dev);
9508 strcpy(info->driver, DRV_MODULE_NAME);
9509 strcpy(info->version, DRV_MODULE_VERSION);
9510 strcpy(info->fw_version, tp->fw_ver);
9511 strcpy(info->bus_info, pci_name(tp->pdev));
9514 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9516 struct tg3 *tp = netdev_priv(dev);
9518 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9519 device_can_wakeup(&tp->pdev->dev))
9520 wol->supported = WAKE_MAGIC;
9524 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9525 device_can_wakeup(&tp->pdev->dev))
9526 wol->wolopts = WAKE_MAGIC;
9527 memset(&wol->sopass, 0, sizeof(wol->sopass));
9530 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9532 struct tg3 *tp = netdev_priv(dev);
9533 struct device *dp = &tp->pdev->dev;
9535 if (wol->wolopts & ~WAKE_MAGIC)
9537 if ((wol->wolopts & WAKE_MAGIC) &&
9538 !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
9541 spin_lock_bh(&tp->lock);
9542 if (wol->wolopts & WAKE_MAGIC) {
9543 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
9544 device_set_wakeup_enable(dp, true);
9546 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9547 device_set_wakeup_enable(dp, false);
9549 spin_unlock_bh(&tp->lock);
9554 static u32 tg3_get_msglevel(struct net_device *dev)
9556 struct tg3 *tp = netdev_priv(dev);
9557 return tp->msg_enable;
9560 static void tg3_set_msglevel(struct net_device *dev, u32 value)
9562 struct tg3 *tp = netdev_priv(dev);
9563 tp->msg_enable = value;
9566 static int tg3_set_tso(struct net_device *dev, u32 value)
9568 struct tg3 *tp = netdev_priv(dev);
9570 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9575 if ((dev->features & NETIF_F_IPV6_CSUM) &&
9576 ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9577 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9579 dev->features |= NETIF_F_TSO6;
9580 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9581 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9582 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9583 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
9584 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
9585 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9586 dev->features |= NETIF_F_TSO_ECN;
9588 dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
9590 return ethtool_op_set_tso(dev, value);
9593 static int tg3_nway_reset(struct net_device *dev)
9595 struct tg3 *tp = netdev_priv(dev);
9598 if (!netif_running(dev))
9601 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9604 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9605 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9607 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
9611 spin_lock_bh(&tp->lock);
9613 tg3_readphy(tp, MII_BMCR, &bmcr);
9614 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
9615 ((bmcr & BMCR_ANENABLE) ||
9616 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
9617 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
9621 spin_unlock_bh(&tp->lock);
9627 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9629 struct tg3 *tp = netdev_priv(dev);
9631 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
9632 ering->rx_mini_max_pending = 0;
9633 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9634 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
9636 ering->rx_jumbo_max_pending = 0;
9638 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
9640 ering->rx_pending = tp->rx_pending;
9641 ering->rx_mini_pending = 0;
9642 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
9643 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
9645 ering->rx_jumbo_pending = 0;
9647 ering->tx_pending = tp->napi[0].tx_pending;
9650 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
9652 struct tg3 *tp = netdev_priv(dev);
9653 int i, irq_sync = 0, err = 0;
9655 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
9656 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
9657 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
9658 (ering->tx_pending <= MAX_SKB_FRAGS) ||
9659 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
9660 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
9663 if (netif_running(dev)) {
9669 tg3_full_lock(tp, irq_sync);
9671 tp->rx_pending = ering->rx_pending;
9673 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
9674 tp->rx_pending > 63)
9675 tp->rx_pending = 63;
9676 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
9678 for (i = 0; i < TG3_IRQ_MAX_VECS; i++)
9679 tp->napi[i].tx_pending = ering->tx_pending;
9681 if (netif_running(dev)) {
9682 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9683 err = tg3_restart_hw(tp, 1);
9685 tg3_netif_start(tp);
9688 tg3_full_unlock(tp);
9690 if (irq_sync && !err)
9696 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9698 struct tg3 *tp = netdev_priv(dev);
9700 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
9702 if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
9703 epause->rx_pause = 1;
9705 epause->rx_pause = 0;
9707 if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
9708 epause->tx_pause = 1;
9710 epause->tx_pause = 0;
9713 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9715 struct tg3 *tp = netdev_priv(dev);
9718 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9719 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9722 if (epause->autoneg) {
9724 struct phy_device *phydev;
9726 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9728 if (epause->rx_pause) {
9729 if (epause->tx_pause)
9730 newadv = ADVERTISED_Pause;
9732 newadv = ADVERTISED_Pause |
9733 ADVERTISED_Asym_Pause;
9734 } else if (epause->tx_pause) {
9735 newadv = ADVERTISED_Asym_Pause;
9739 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
9740 u32 oldadv = phydev->advertising &
9742 ADVERTISED_Asym_Pause);
9743 if (oldadv != newadv) {
9744 phydev->advertising &=
9745 ~(ADVERTISED_Pause |
9746 ADVERTISED_Asym_Pause);
9747 phydev->advertising |= newadv;
9748 err = phy_start_aneg(phydev);
9751 tp->link_config.advertising &=
9752 ~(ADVERTISED_Pause |
9753 ADVERTISED_Asym_Pause);
9754 tp->link_config.advertising |= newadv;
9757 if (epause->rx_pause)
9758 tp->link_config.flowctrl |= FLOW_CTRL_RX;
9760 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9762 if (epause->tx_pause)
9763 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9765 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9767 if (netif_running(dev))
9768 tg3_setup_flow_control(tp, 0, 0);
9773 if (netif_running(dev)) {
9778 tg3_full_lock(tp, irq_sync);
9780 if (epause->autoneg)
9781 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9783 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9784 if (epause->rx_pause)
9785 tp->link_config.flowctrl |= FLOW_CTRL_RX;
9787 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9788 if (epause->tx_pause)
9789 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9791 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9793 if (netif_running(dev)) {
9794 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9795 err = tg3_restart_hw(tp, 1);
9797 tg3_netif_start(tp);
9800 tg3_full_unlock(tp);
9806 static u32 tg3_get_rx_csum(struct net_device *dev)
9808 struct tg3 *tp = netdev_priv(dev);
9809 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
9812 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
9814 struct tg3 *tp = netdev_priv(dev);
9816 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9822 spin_lock_bh(&tp->lock);
9824 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
9826 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
9827 spin_unlock_bh(&tp->lock);
9832 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
9834 struct tg3 *tp = netdev_priv(dev);
9836 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9842 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9843 ethtool_op_set_tx_ipv6_csum(dev, data);
9845 ethtool_op_set_tx_csum(dev, data);
9850 static int tg3_get_sset_count (struct net_device *dev, int sset)
9854 return TG3_NUM_TEST;
9856 return TG3_NUM_STATS;
9862 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
9864 switch (stringset) {
9866 memcpy(buf, ðtool_stats_keys, sizeof(ethtool_stats_keys));
9869 memcpy(buf, ðtool_test_keys, sizeof(ethtool_test_keys));
9872 WARN_ON(1); /* we need a WARN() */
9877 static int tg3_phys_id(struct net_device *dev, u32 data)
9879 struct tg3 *tp = netdev_priv(dev);
9882 if (!netif_running(tp->dev))
9886 data = UINT_MAX / 2;
9888 for (i = 0; i < (data * 2); i++) {
9890 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9891 LED_CTRL_1000MBPS_ON |
9892 LED_CTRL_100MBPS_ON |
9893 LED_CTRL_10MBPS_ON |
9894 LED_CTRL_TRAFFIC_OVERRIDE |
9895 LED_CTRL_TRAFFIC_BLINK |
9896 LED_CTRL_TRAFFIC_LED);
9899 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9900 LED_CTRL_TRAFFIC_OVERRIDE);
9902 if (msleep_interruptible(500))
9905 tw32(MAC_LED_CTRL, tp->led_ctrl);
9909 static void tg3_get_ethtool_stats (struct net_device *dev,
9910 struct ethtool_stats *estats, u64 *tmp_stats)
9912 struct tg3 *tp = netdev_priv(dev);
9913 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
9916 #define NVRAM_TEST_SIZE 0x100
9917 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
9918 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
9919 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
9920 #define NVRAM_SELFBOOT_HW_SIZE 0x20
9921 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
9923 static int tg3_test_nvram(struct tg3 *tp)
9927 int i, j, k, err = 0, size;
9929 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9932 if (tg3_nvram_read(tp, 0, &magic) != 0)
9935 if (magic == TG3_EEPROM_MAGIC)
9936 size = NVRAM_TEST_SIZE;
9937 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
9938 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
9939 TG3_EEPROM_SB_FORMAT_1) {
9940 switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
9941 case TG3_EEPROM_SB_REVISION_0:
9942 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
9944 case TG3_EEPROM_SB_REVISION_2:
9945 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
9947 case TG3_EEPROM_SB_REVISION_3:
9948 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
9955 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
9956 size = NVRAM_SELFBOOT_HW_SIZE;
9960 buf = kmalloc(size, GFP_KERNEL);
9965 for (i = 0, j = 0; i < size; i += 4, j++) {
9966 err = tg3_nvram_read_be32(tp, i, &buf[j]);
9973 /* Selfboot format */
9974 magic = be32_to_cpu(buf[0]);
9975 if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
9976 TG3_EEPROM_MAGIC_FW) {
9977 u8 *buf8 = (u8 *) buf, csum8 = 0;
9979 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
9980 TG3_EEPROM_SB_REVISION_2) {
9981 /* For rev 2, the csum doesn't include the MBA. */
9982 for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
9984 for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
9987 for (i = 0; i < size; i++)
10000 if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
10001 TG3_EEPROM_MAGIC_HW) {
10002 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
10003 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
10004 u8 *buf8 = (u8 *) buf;
10006 /* Separate the parity bits and the data bytes. */
10007 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
10008 if ((i == 0) || (i == 8)) {
10012 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
10013 parity[k++] = buf8[i] & msk;
10016 else if (i == 16) {
10020 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
10021 parity[k++] = buf8[i] & msk;
10024 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
10025 parity[k++] = buf8[i] & msk;
10028 data[j++] = buf8[i];
10032 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
10033 u8 hw8 = hweight8(data[i]);
10035 if ((hw8 & 0x1) && parity[i])
10037 else if (!(hw8 & 0x1) && !parity[i])
10044 /* Bootstrap checksum at offset 0x10 */
10045 csum = calc_crc((unsigned char *) buf, 0x10);
10046 if (csum != be32_to_cpu(buf[0x10/4]))
10049 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10050 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
10051 if (csum != be32_to_cpu(buf[0xfc/4]))
10061 #define TG3_SERDES_TIMEOUT_SEC 2
10062 #define TG3_COPPER_TIMEOUT_SEC 6
10064 static int tg3_test_link(struct tg3 *tp)
10068 if (!netif_running(tp->dev))
10071 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10072 max = TG3_SERDES_TIMEOUT_SEC;
10074 max = TG3_COPPER_TIMEOUT_SEC;
10076 for (i = 0; i < max; i++) {
10077 if (netif_carrier_ok(tp->dev))
10080 if (msleep_interruptible(1000))
10087 /* Only test the commonly used registers */
10088 static int tg3_test_registers(struct tg3 *tp)
10090 int i, is_5705, is_5750;
10091 u32 offset, read_mask, write_mask, val, save_val, read_val;
10095 #define TG3_FL_5705 0x1
10096 #define TG3_FL_NOT_5705 0x2
10097 #define TG3_FL_NOT_5788 0x4
10098 #define TG3_FL_NOT_5750 0x8
10102 /* MAC Control Registers */
10103 { MAC_MODE, TG3_FL_NOT_5705,
10104 0x00000000, 0x00ef6f8c },
10105 { MAC_MODE, TG3_FL_5705,
10106 0x00000000, 0x01ef6b8c },
10107 { MAC_STATUS, TG3_FL_NOT_5705,
10108 0x03800107, 0x00000000 },
10109 { MAC_STATUS, TG3_FL_5705,
10110 0x03800100, 0x00000000 },
10111 { MAC_ADDR_0_HIGH, 0x0000,
10112 0x00000000, 0x0000ffff },
10113 { MAC_ADDR_0_LOW, 0x0000,
10114 0x00000000, 0xffffffff },
10115 { MAC_RX_MTU_SIZE, 0x0000,
10116 0x00000000, 0x0000ffff },
10117 { MAC_TX_MODE, 0x0000,
10118 0x00000000, 0x00000070 },
10119 { MAC_TX_LENGTHS, 0x0000,
10120 0x00000000, 0x00003fff },
10121 { MAC_RX_MODE, TG3_FL_NOT_5705,
10122 0x00000000, 0x000007fc },
10123 { MAC_RX_MODE, TG3_FL_5705,
10124 0x00000000, 0x000007dc },
10125 { MAC_HASH_REG_0, 0x0000,
10126 0x00000000, 0xffffffff },
10127 { MAC_HASH_REG_1, 0x0000,
10128 0x00000000, 0xffffffff },
10129 { MAC_HASH_REG_2, 0x0000,
10130 0x00000000, 0xffffffff },
10131 { MAC_HASH_REG_3, 0x0000,
10132 0x00000000, 0xffffffff },
10134 /* Receive Data and Receive BD Initiator Control Registers. */
10135 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10136 0x00000000, 0xffffffff },
10137 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10138 0x00000000, 0xffffffff },
10139 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10140 0x00000000, 0x00000003 },
10141 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10142 0x00000000, 0xffffffff },
10143 { RCVDBDI_STD_BD+0, 0x0000,
10144 0x00000000, 0xffffffff },
10145 { RCVDBDI_STD_BD+4, 0x0000,
10146 0x00000000, 0xffffffff },
10147 { RCVDBDI_STD_BD+8, 0x0000,
10148 0x00000000, 0xffff0002 },
10149 { RCVDBDI_STD_BD+0xc, 0x0000,
10150 0x00000000, 0xffffffff },
10152 /* Receive BD Initiator Control Registers. */
10153 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10154 0x00000000, 0xffffffff },
10155 { RCVBDI_STD_THRESH, TG3_FL_5705,
10156 0x00000000, 0x000003ff },
10157 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10158 0x00000000, 0xffffffff },
10160 /* Host Coalescing Control Registers. */
10161 { HOSTCC_MODE, TG3_FL_NOT_5705,
10162 0x00000000, 0x00000004 },
10163 { HOSTCC_MODE, TG3_FL_5705,
10164 0x00000000, 0x000000f6 },
10165 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10166 0x00000000, 0xffffffff },
10167 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10168 0x00000000, 0x000003ff },
10169 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10170 0x00000000, 0xffffffff },
10171 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10172 0x00000000, 0x000003ff },
10173 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10174 0x00000000, 0xffffffff },
10175 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10176 0x00000000, 0x000000ff },
10177 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10178 0x00000000, 0xffffffff },
10179 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10180 0x00000000, 0x000000ff },
10181 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10182 0x00000000, 0xffffffff },
10183 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10184 0x00000000, 0xffffffff },
10185 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10186 0x00000000, 0xffffffff },
10187 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10188 0x00000000, 0x000000ff },
10189 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10190 0x00000000, 0xffffffff },
10191 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10192 0x00000000, 0x000000ff },
10193 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10194 0x00000000, 0xffffffff },
10195 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10196 0x00000000, 0xffffffff },
10197 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10198 0x00000000, 0xffffffff },
10199 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10200 0x00000000, 0xffffffff },
10201 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10202 0x00000000, 0xffffffff },
10203 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10204 0xffffffff, 0x00000000 },
10205 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10206 0xffffffff, 0x00000000 },
10208 /* Buffer Manager Control Registers. */
10209 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
10210 0x00000000, 0x007fff80 },
10211 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
10212 0x00000000, 0x007fffff },
10213 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10214 0x00000000, 0x0000003f },
10215 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10216 0x00000000, 0x000001ff },
10217 { BUFMGR_MB_HIGH_WATER, 0x0000,
10218 0x00000000, 0x000001ff },
10219 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10220 0xffffffff, 0x00000000 },
10221 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10222 0xffffffff, 0x00000000 },
10224 /* Mailbox Registers */
10225 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10226 0x00000000, 0x000001ff },
10227 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10228 0x00000000, 0x000001ff },
10229 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10230 0x00000000, 0x000007ff },
10231 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10232 0x00000000, 0x000001ff },
10234 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10237 is_5705 = is_5750 = 0;
10238 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10240 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10244 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10245 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10248 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10251 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10252 (reg_tbl[i].flags & TG3_FL_NOT_5788))
10255 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10258 offset = (u32) reg_tbl[i].offset;
10259 read_mask = reg_tbl[i].read_mask;
10260 write_mask = reg_tbl[i].write_mask;
10262 /* Save the original register content */
10263 save_val = tr32(offset);
10265 /* Determine the read-only value. */
10266 read_val = save_val & read_mask;
10268 /* Write zero to the register, then make sure the read-only bits
10269 * are not changed and the read/write bits are all zeros.
10273 val = tr32(offset);
10275 /* Test the read-only and read/write bits. */
10276 if (((val & read_mask) != read_val) || (val & write_mask))
10279 /* Write ones to all the bits defined by RdMask and WrMask, then
10280 * make sure the read-only bits are not changed and the
10281 * read/write bits are all ones.
10283 tw32(offset, read_mask | write_mask);
10285 val = tr32(offset);
10287 /* Test the read-only bits. */
10288 if ((val & read_mask) != read_val)
10291 /* Test the read/write bits. */
10292 if ((val & write_mask) != write_mask)
10295 tw32(offset, save_val);
10301 if (netif_msg_hw(tp))
10302 printk(KERN_ERR PFX "Register test failed at offset %x\n",
10304 tw32(offset, save_val);
10308 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10310 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
10314 for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
10315 for (j = 0; j < len; j += 4) {
10318 tg3_write_mem(tp, offset + j, test_pattern[i]);
10319 tg3_read_mem(tp, offset + j, &val);
10320 if (val != test_pattern[i])
10327 static int tg3_test_memory(struct tg3 *tp)
10329 static struct mem_entry {
10332 } mem_tbl_570x[] = {
10333 { 0x00000000, 0x00b50},
10334 { 0x00002000, 0x1c000},
10335 { 0xffffffff, 0x00000}
10336 }, mem_tbl_5705[] = {
10337 { 0x00000100, 0x0000c},
10338 { 0x00000200, 0x00008},
10339 { 0x00004000, 0x00800},
10340 { 0x00006000, 0x01000},
10341 { 0x00008000, 0x02000},
10342 { 0x00010000, 0x0e000},
10343 { 0xffffffff, 0x00000}
10344 }, mem_tbl_5755[] = {
10345 { 0x00000200, 0x00008},
10346 { 0x00004000, 0x00800},
10347 { 0x00006000, 0x00800},
10348 { 0x00008000, 0x02000},
10349 { 0x00010000, 0x0c000},
10350 { 0xffffffff, 0x00000}
10351 }, mem_tbl_5906[] = {
10352 { 0x00000200, 0x00008},
10353 { 0x00004000, 0x00400},
10354 { 0x00006000, 0x00400},
10355 { 0x00008000, 0x01000},
10356 { 0x00010000, 0x01000},
10357 { 0xffffffff, 0x00000}
10359 struct mem_entry *mem_tbl;
10363 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10364 mem_tbl = mem_tbl_5755;
10365 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10366 mem_tbl = mem_tbl_5906;
10367 else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10368 mem_tbl = mem_tbl_5705;
10370 mem_tbl = mem_tbl_570x;
10372 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10373 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
10374 mem_tbl[i].len)) != 0)
10381 #define TG3_MAC_LOOPBACK 0
10382 #define TG3_PHY_LOOPBACK 1
10384 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
10386 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
10387 u32 desc_idx, coal_now;
10388 struct sk_buff *skb, *rx_skb;
10391 int num_pkts, tx_len, rx_len, i, err;
10392 struct tg3_rx_buffer_desc *desc;
10393 struct tg3_napi *tnapi, *rnapi;
10394 struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
10396 if (tp->irq_cnt > 1) {
10397 tnapi = &tp->napi[1];
10398 rnapi = &tp->napi[1];
10400 tnapi = &tp->napi[0];
10401 rnapi = &tp->napi[0];
10403 coal_now = tnapi->coal_now | rnapi->coal_now;
10405 if (loopback_mode == TG3_MAC_LOOPBACK) {
10406 /* HW errata - mac loopback fails in some cases on 5780.
10407 * Normal traffic and PHY loopback are not affected by
10410 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10413 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
10414 MAC_MODE_PORT_INT_LPBACK;
10415 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10416 mac_mode |= MAC_MODE_LINK_POLARITY;
10417 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10418 mac_mode |= MAC_MODE_PORT_MODE_MII;
10420 mac_mode |= MAC_MODE_PORT_MODE_GMII;
10421 tw32(MAC_MODE, mac_mode);
10422 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
10425 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10426 tg3_phy_fet_toggle_apd(tp, false);
10427 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10429 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
10431 tg3_phy_toggle_automdix(tp, 0);
10433 tg3_writephy(tp, MII_BMCR, val);
10436 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
10437 if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
10438 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10439 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x1800);
10440 mac_mode |= MAC_MODE_PORT_MODE_MII;
10442 mac_mode |= MAC_MODE_PORT_MODE_GMII;
10444 /* reset to prevent losing 1st rx packet intermittently */
10445 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
10446 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10448 tw32_f(MAC_RX_MODE, tp->rx_mode);
10450 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10451 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
10452 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10453 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
10454 mac_mode |= MAC_MODE_LINK_POLARITY;
10455 tg3_writephy(tp, MII_TG3_EXT_CTRL,
10456 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10458 tw32(MAC_MODE, mac_mode);
10466 skb = netdev_alloc_skb(tp->dev, tx_len);
10470 tx_data = skb_put(skb, tx_len);
10471 memcpy(tx_data, tp->dev->dev_addr, 6);
10472 memset(tx_data + 6, 0x0, 8);
10474 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10476 for (i = 14; i < tx_len; i++)
10477 tx_data[i] = (u8) (i & 0xff);
10479 if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
10480 dev_kfree_skb(skb);
10484 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10489 rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
10493 tg3_set_txd(tnapi, tnapi->tx_prod,
10494 skb_shinfo(skb)->dma_head, tx_len, 0, 1);
10499 tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10500 tr32_mailbox(tnapi->prodmbox);
10504 /* 350 usec to allow enough time on some 10/100 Mbps devices. */
10505 for (i = 0; i < 35; i++) {
10506 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10511 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10512 rx_idx = rnapi->hw_status->idx[0].rx_producer;
10513 if ((tx_idx == tnapi->tx_prod) &&
10514 (rx_idx == (rx_start_idx + num_pkts)))
10518 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
10519 dev_kfree_skb(skb);
10521 if (tx_idx != tnapi->tx_prod)
10524 if (rx_idx != rx_start_idx + num_pkts)
10527 desc = &rnapi->rx_rcb[rx_start_idx];
10528 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10529 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10530 if (opaque_key != RXD_OPAQUE_RING_STD)
10533 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10534 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10537 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10538 if (rx_len != tx_len)
10541 rx_skb = tpr->rx_std_buffers[desc_idx].skb;
10543 map = pci_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
10544 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10546 for (i = 14; i < tx_len; i++) {
10547 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10552 /* tg3_free_rings will unmap and free the rx_skb */
10557 #define TG3_MAC_LOOPBACK_FAILED 1
10558 #define TG3_PHY_LOOPBACK_FAILED 2
10559 #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
10560 TG3_PHY_LOOPBACK_FAILED)
10562 static int tg3_test_loopback(struct tg3 *tp)
10567 if (!netif_running(tp->dev))
10568 return TG3_LOOPBACK_FAILED;
10570 err = tg3_reset_hw(tp, 1);
10572 return TG3_LOOPBACK_FAILED;
10574 /* Turn off gphy autopowerdown. */
10575 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10576 tg3_phy_toggle_apd(tp, false);
10578 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10582 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
10584 /* Wait for up to 40 microseconds to acquire lock. */
10585 for (i = 0; i < 4; i++) {
10586 status = tr32(TG3_CPMU_MUTEX_GNT);
10587 if (status == CPMU_MUTEX_GNT_DRIVER)
10592 if (status != CPMU_MUTEX_GNT_DRIVER)
10593 return TG3_LOOPBACK_FAILED;
10595 /* Turn off link-based power management. */
10596 cpmuctrl = tr32(TG3_CPMU_CTRL);
10597 tw32(TG3_CPMU_CTRL,
10598 cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
10599 CPMU_CTRL_LINK_AWARE_MODE));
10602 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
10603 err |= TG3_MAC_LOOPBACK_FAILED;
10605 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
10606 tw32(TG3_CPMU_CTRL, cpmuctrl);
10608 /* Release the mutex */
10609 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
10612 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
10613 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
10614 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
10615 err |= TG3_PHY_LOOPBACK_FAILED;
10618 /* Re-enable gphy autopowerdown. */
10619 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
10620 tg3_phy_toggle_apd(tp, true);
10625 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
10628 struct tg3 *tp = netdev_priv(dev);
10630 if (tp->link_config.phy_is_low_power)
10631 tg3_set_power_state(tp, PCI_D0);
10633 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
10635 if (tg3_test_nvram(tp) != 0) {
10636 etest->flags |= ETH_TEST_FL_FAILED;
10639 if (tg3_test_link(tp) != 0) {
10640 etest->flags |= ETH_TEST_FL_FAILED;
10643 if (etest->flags & ETH_TEST_FL_OFFLINE) {
10644 int err, err2 = 0, irq_sync = 0;
10646 if (netif_running(dev)) {
10648 tg3_netif_stop(tp);
10652 tg3_full_lock(tp, irq_sync);
10654 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
10655 err = tg3_nvram_lock(tp);
10656 tg3_halt_cpu(tp, RX_CPU_BASE);
10657 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10658 tg3_halt_cpu(tp, TX_CPU_BASE);
10660 tg3_nvram_unlock(tp);
10662 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
10665 if (tg3_test_registers(tp) != 0) {
10666 etest->flags |= ETH_TEST_FL_FAILED;
10669 if (tg3_test_memory(tp) != 0) {
10670 etest->flags |= ETH_TEST_FL_FAILED;
10673 if ((data[4] = tg3_test_loopback(tp)) != 0)
10674 etest->flags |= ETH_TEST_FL_FAILED;
10676 tg3_full_unlock(tp);
10678 if (tg3_test_interrupt(tp) != 0) {
10679 etest->flags |= ETH_TEST_FL_FAILED;
10683 tg3_full_lock(tp, 0);
10685 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10686 if (netif_running(dev)) {
10687 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
10688 err2 = tg3_restart_hw(tp, 1);
10690 tg3_netif_start(tp);
10693 tg3_full_unlock(tp);
10695 if (irq_sync && !err2)
10698 if (tp->link_config.phy_is_low_power)
10699 tg3_set_power_state(tp, PCI_D3hot);
10703 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
10705 struct mii_ioctl_data *data = if_mii(ifr);
10706 struct tg3 *tp = netdev_priv(dev);
10709 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10710 struct phy_device *phydev;
10711 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
10713 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10714 return phy_mii_ioctl(phydev, data, cmd);
10719 data->phy_id = tp->phy_addr;
10722 case SIOCGMIIREG: {
10725 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10726 break; /* We have no PHY */
10728 if (tp->link_config.phy_is_low_power)
10731 spin_lock_bh(&tp->lock);
10732 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
10733 spin_unlock_bh(&tp->lock);
10735 data->val_out = mii_regval;
10741 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10742 break; /* We have no PHY */
10744 if (tp->link_config.phy_is_low_power)
10747 spin_lock_bh(&tp->lock);
10748 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
10749 spin_unlock_bh(&tp->lock);
10757 return -EOPNOTSUPP;
10760 #if TG3_VLAN_TAG_USED
10761 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
10763 struct tg3 *tp = netdev_priv(dev);
10765 if (!netif_running(dev)) {
10770 tg3_netif_stop(tp);
10772 tg3_full_lock(tp, 0);
10776 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
10777 __tg3_set_rx_mode(dev);
10779 tg3_netif_start(tp);
10781 tg3_full_unlock(tp);
10785 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10787 struct tg3 *tp = netdev_priv(dev);
10789 memcpy(ec, &tp->coal, sizeof(*ec));
10793 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10795 struct tg3 *tp = netdev_priv(dev);
10796 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
10797 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
10799 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
10800 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
10801 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
10802 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
10803 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
10806 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
10807 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
10808 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
10809 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
10810 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
10811 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
10812 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
10813 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
10814 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
10815 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
10818 /* No rx interrupts will be generated if both are zero */
10819 if ((ec->rx_coalesce_usecs == 0) &&
10820 (ec->rx_max_coalesced_frames == 0))
10823 /* No tx interrupts will be generated if both are zero */
10824 if ((ec->tx_coalesce_usecs == 0) &&
10825 (ec->tx_max_coalesced_frames == 0))
10828 /* Only copy relevant parameters, ignore all others. */
10829 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
10830 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
10831 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
10832 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
10833 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
10834 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
10835 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
10836 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
10837 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
10839 if (netif_running(dev)) {
10840 tg3_full_lock(tp, 0);
10841 __tg3_set_coalesce(tp, &tp->coal);
10842 tg3_full_unlock(tp);
10847 static const struct ethtool_ops tg3_ethtool_ops = {
10848 .get_settings = tg3_get_settings,
10849 .set_settings = tg3_set_settings,
10850 .get_drvinfo = tg3_get_drvinfo,
10851 .get_regs_len = tg3_get_regs_len,
10852 .get_regs = tg3_get_regs,
10853 .get_wol = tg3_get_wol,
10854 .set_wol = tg3_set_wol,
10855 .get_msglevel = tg3_get_msglevel,
10856 .set_msglevel = tg3_set_msglevel,
10857 .nway_reset = tg3_nway_reset,
10858 .get_link = ethtool_op_get_link,
10859 .get_eeprom_len = tg3_get_eeprom_len,
10860 .get_eeprom = tg3_get_eeprom,
10861 .set_eeprom = tg3_set_eeprom,
10862 .get_ringparam = tg3_get_ringparam,
10863 .set_ringparam = tg3_set_ringparam,
10864 .get_pauseparam = tg3_get_pauseparam,
10865 .set_pauseparam = tg3_set_pauseparam,
10866 .get_rx_csum = tg3_get_rx_csum,
10867 .set_rx_csum = tg3_set_rx_csum,
10868 .set_tx_csum = tg3_set_tx_csum,
10869 .set_sg = ethtool_op_set_sg,
10870 .set_tso = tg3_set_tso,
10871 .self_test = tg3_self_test,
10872 .get_strings = tg3_get_strings,
10873 .phys_id = tg3_phys_id,
10874 .get_ethtool_stats = tg3_get_ethtool_stats,
10875 .get_coalesce = tg3_get_coalesce,
10876 .set_coalesce = tg3_set_coalesce,
10877 .get_sset_count = tg3_get_sset_count,
10880 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
10882 u32 cursize, val, magic;
10884 tp->nvram_size = EEPROM_CHIP_SIZE;
10886 if (tg3_nvram_read(tp, 0, &magic) != 0)
10889 if ((magic != TG3_EEPROM_MAGIC) &&
10890 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
10891 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
10895 * Size the chip by reading offsets at increasing powers of two.
10896 * When we encounter our validation signature, we know the addressing
10897 * has wrapped around, and thus have our chip size.
10901 while (cursize < tp->nvram_size) {
10902 if (tg3_nvram_read(tp, cursize, &val) != 0)
10911 tp->nvram_size = cursize;
10914 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
10918 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
10919 tg3_nvram_read(tp, 0, &val) != 0)
10922 /* Selfboot format */
10923 if (val != TG3_EEPROM_MAGIC) {
10924 tg3_get_eeprom_size(tp);
10928 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
10930 /* This is confusing. We want to operate on the
10931 * 16-bit value at offset 0xf2. The tg3_nvram_read()
10932 * call will read from NVRAM and byteswap the data
10933 * according to the byteswapping settings for all
10934 * other register accesses. This ensures the data we
10935 * want will always reside in the lower 16-bits.
10936 * However, the data in NVRAM is in LE format, which
10937 * means the data from the NVRAM read will always be
10938 * opposite the endianness of the CPU. The 16-bit
10939 * byteswap then brings the data to CPU endianness.
10941 tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
10945 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10948 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
10952 nvcfg1 = tr32(NVRAM_CFG1);
10953 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
10954 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10956 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10957 tw32(NVRAM_CFG1, nvcfg1);
10960 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
10961 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10962 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
10963 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
10964 tp->nvram_jedecnum = JEDEC_ATMEL;
10965 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10966 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10968 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
10969 tp->nvram_jedecnum = JEDEC_ATMEL;
10970 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
10972 case FLASH_VENDOR_ATMEL_EEPROM:
10973 tp->nvram_jedecnum = JEDEC_ATMEL;
10974 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10975 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10977 case FLASH_VENDOR_ST:
10978 tp->nvram_jedecnum = JEDEC_ST;
10979 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
10980 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10982 case FLASH_VENDOR_SAIFUN:
10983 tp->nvram_jedecnum = JEDEC_SAIFUN;
10984 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
10986 case FLASH_VENDOR_SST_SMALL:
10987 case FLASH_VENDOR_SST_LARGE:
10988 tp->nvram_jedecnum = JEDEC_SST;
10989 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
10993 tp->nvram_jedecnum = JEDEC_ATMEL;
10994 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10995 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10999 static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
11001 switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
11002 case FLASH_5752PAGE_SIZE_256:
11003 tp->nvram_pagesize = 256;
11005 case FLASH_5752PAGE_SIZE_512:
11006 tp->nvram_pagesize = 512;
11008 case FLASH_5752PAGE_SIZE_1K:
11009 tp->nvram_pagesize = 1024;
11011 case FLASH_5752PAGE_SIZE_2K:
11012 tp->nvram_pagesize = 2048;
11014 case FLASH_5752PAGE_SIZE_4K:
11015 tp->nvram_pagesize = 4096;
11017 case FLASH_5752PAGE_SIZE_264:
11018 tp->nvram_pagesize = 264;
11020 case FLASH_5752PAGE_SIZE_528:
11021 tp->nvram_pagesize = 528;
11026 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
11030 nvcfg1 = tr32(NVRAM_CFG1);
11032 /* NVRAM protection for TPM */
11033 if (nvcfg1 & (1 << 27))
11034 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11036 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11037 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
11038 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
11039 tp->nvram_jedecnum = JEDEC_ATMEL;
11040 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11042 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11043 tp->nvram_jedecnum = JEDEC_ATMEL;
11044 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11045 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11047 case FLASH_5752VENDOR_ST_M45PE10:
11048 case FLASH_5752VENDOR_ST_M45PE20:
11049 case FLASH_5752VENDOR_ST_M45PE40:
11050 tp->nvram_jedecnum = JEDEC_ST;
11051 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11052 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11056 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
11057 tg3_nvram_get_pagesize(tp, nvcfg1);
11059 /* For eeprom, set pagesize to maximum eeprom size */
11060 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11062 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11063 tw32(NVRAM_CFG1, nvcfg1);
11067 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11069 u32 nvcfg1, protect = 0;
11071 nvcfg1 = tr32(NVRAM_CFG1);
11073 /* NVRAM protection for TPM */
11074 if (nvcfg1 & (1 << 27)) {
11075 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11079 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11081 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11082 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11083 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11084 case FLASH_5755VENDOR_ATMEL_FLASH_5:
11085 tp->nvram_jedecnum = JEDEC_ATMEL;
11086 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11087 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11088 tp->nvram_pagesize = 264;
11089 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11090 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11091 tp->nvram_size = (protect ? 0x3e200 :
11092 TG3_NVRAM_SIZE_512KB);
11093 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11094 tp->nvram_size = (protect ? 0x1f200 :
11095 TG3_NVRAM_SIZE_256KB);
11097 tp->nvram_size = (protect ? 0x1f200 :
11098 TG3_NVRAM_SIZE_128KB);
11100 case FLASH_5752VENDOR_ST_M45PE10:
11101 case FLASH_5752VENDOR_ST_M45PE20:
11102 case FLASH_5752VENDOR_ST_M45PE40:
11103 tp->nvram_jedecnum = JEDEC_ST;
11104 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11105 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11106 tp->nvram_pagesize = 256;
11107 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11108 tp->nvram_size = (protect ?
11109 TG3_NVRAM_SIZE_64KB :
11110 TG3_NVRAM_SIZE_128KB);
11111 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11112 tp->nvram_size = (protect ?
11113 TG3_NVRAM_SIZE_64KB :
11114 TG3_NVRAM_SIZE_256KB);
11116 tp->nvram_size = (protect ?
11117 TG3_NVRAM_SIZE_128KB :
11118 TG3_NVRAM_SIZE_512KB);
11123 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11127 nvcfg1 = tr32(NVRAM_CFG1);
11129 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11130 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11131 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11132 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11133 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11134 tp->nvram_jedecnum = JEDEC_ATMEL;
11135 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11136 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11138 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11139 tw32(NVRAM_CFG1, nvcfg1);
11141 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11142 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11143 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11144 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11145 tp->nvram_jedecnum = JEDEC_ATMEL;
11146 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11147 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11148 tp->nvram_pagesize = 264;
11150 case FLASH_5752VENDOR_ST_M45PE10:
11151 case FLASH_5752VENDOR_ST_M45PE20:
11152 case FLASH_5752VENDOR_ST_M45PE40:
11153 tp->nvram_jedecnum = JEDEC_ST;
11154 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11155 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11156 tp->nvram_pagesize = 256;
11161 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11163 u32 nvcfg1, protect = 0;
11165 nvcfg1 = tr32(NVRAM_CFG1);
11167 /* NVRAM protection for TPM */
11168 if (nvcfg1 & (1 << 27)) {
11169 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11173 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11175 case FLASH_5761VENDOR_ATMEL_ADB021D:
11176 case FLASH_5761VENDOR_ATMEL_ADB041D:
11177 case FLASH_5761VENDOR_ATMEL_ADB081D:
11178 case FLASH_5761VENDOR_ATMEL_ADB161D:
11179 case FLASH_5761VENDOR_ATMEL_MDB021D:
11180 case FLASH_5761VENDOR_ATMEL_MDB041D:
11181 case FLASH_5761VENDOR_ATMEL_MDB081D:
11182 case FLASH_5761VENDOR_ATMEL_MDB161D:
11183 tp->nvram_jedecnum = JEDEC_ATMEL;
11184 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11185 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11186 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11187 tp->nvram_pagesize = 256;
11189 case FLASH_5761VENDOR_ST_A_M45PE20:
11190 case FLASH_5761VENDOR_ST_A_M45PE40:
11191 case FLASH_5761VENDOR_ST_A_M45PE80:
11192 case FLASH_5761VENDOR_ST_A_M45PE16:
11193 case FLASH_5761VENDOR_ST_M_M45PE20:
11194 case FLASH_5761VENDOR_ST_M_M45PE40:
11195 case FLASH_5761VENDOR_ST_M_M45PE80:
11196 case FLASH_5761VENDOR_ST_M_M45PE16:
11197 tp->nvram_jedecnum = JEDEC_ST;
11198 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11199 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11200 tp->nvram_pagesize = 256;
11205 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11208 case FLASH_5761VENDOR_ATMEL_ADB161D:
11209 case FLASH_5761VENDOR_ATMEL_MDB161D:
11210 case FLASH_5761VENDOR_ST_A_M45PE16:
11211 case FLASH_5761VENDOR_ST_M_M45PE16:
11212 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11214 case FLASH_5761VENDOR_ATMEL_ADB081D:
11215 case FLASH_5761VENDOR_ATMEL_MDB081D:
11216 case FLASH_5761VENDOR_ST_A_M45PE80:
11217 case FLASH_5761VENDOR_ST_M_M45PE80:
11218 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11220 case FLASH_5761VENDOR_ATMEL_ADB041D:
11221 case FLASH_5761VENDOR_ATMEL_MDB041D:
11222 case FLASH_5761VENDOR_ST_A_M45PE40:
11223 case FLASH_5761VENDOR_ST_M_M45PE40:
11224 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11226 case FLASH_5761VENDOR_ATMEL_ADB021D:
11227 case FLASH_5761VENDOR_ATMEL_MDB021D:
11228 case FLASH_5761VENDOR_ST_A_M45PE20:
11229 case FLASH_5761VENDOR_ST_M_M45PE20:
11230 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11236 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11238 tp->nvram_jedecnum = JEDEC_ATMEL;
11239 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11240 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11243 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11247 nvcfg1 = tr32(NVRAM_CFG1);
11249 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11250 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11251 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11252 tp->nvram_jedecnum = JEDEC_ATMEL;
11253 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11254 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11256 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11257 tw32(NVRAM_CFG1, nvcfg1);
11259 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11260 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11261 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11262 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11263 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11264 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11265 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11266 tp->nvram_jedecnum = JEDEC_ATMEL;
11267 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11268 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11270 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11271 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11272 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11273 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11274 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11276 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11277 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11278 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11280 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11281 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11282 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11286 case FLASH_5752VENDOR_ST_M45PE10:
11287 case FLASH_5752VENDOR_ST_M45PE20:
11288 case FLASH_5752VENDOR_ST_M45PE40:
11289 tp->nvram_jedecnum = JEDEC_ST;
11290 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11291 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11293 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11294 case FLASH_5752VENDOR_ST_M45PE10:
11295 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11297 case FLASH_5752VENDOR_ST_M45PE20:
11298 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11300 case FLASH_5752VENDOR_ST_M45PE40:
11301 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11306 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11310 tg3_nvram_get_pagesize(tp, nvcfg1);
11311 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11312 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11316 static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11320 nvcfg1 = tr32(NVRAM_CFG1);
11322 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11323 case FLASH_5717VENDOR_ATMEL_EEPROM:
11324 case FLASH_5717VENDOR_MICRO_EEPROM:
11325 tp->nvram_jedecnum = JEDEC_ATMEL;
11326 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11327 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11329 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11330 tw32(NVRAM_CFG1, nvcfg1);
11332 case FLASH_5717VENDOR_ATMEL_MDB011D:
11333 case FLASH_5717VENDOR_ATMEL_ADB011B:
11334 case FLASH_5717VENDOR_ATMEL_ADB011D:
11335 case FLASH_5717VENDOR_ATMEL_MDB021D:
11336 case FLASH_5717VENDOR_ATMEL_ADB021B:
11337 case FLASH_5717VENDOR_ATMEL_ADB021D:
11338 case FLASH_5717VENDOR_ATMEL_45USPT:
11339 tp->nvram_jedecnum = JEDEC_ATMEL;
11340 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11341 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11343 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11344 case FLASH_5717VENDOR_ATMEL_MDB021D:
11345 case FLASH_5717VENDOR_ATMEL_ADB021B:
11346 case FLASH_5717VENDOR_ATMEL_ADB021D:
11347 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11350 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11354 case FLASH_5717VENDOR_ST_M_M25PE10:
11355 case FLASH_5717VENDOR_ST_A_M25PE10:
11356 case FLASH_5717VENDOR_ST_M_M45PE10:
11357 case FLASH_5717VENDOR_ST_A_M45PE10:
11358 case FLASH_5717VENDOR_ST_M_M25PE20:
11359 case FLASH_5717VENDOR_ST_A_M25PE20:
11360 case FLASH_5717VENDOR_ST_M_M45PE20:
11361 case FLASH_5717VENDOR_ST_A_M45PE20:
11362 case FLASH_5717VENDOR_ST_25USPT:
11363 case FLASH_5717VENDOR_ST_45USPT:
11364 tp->nvram_jedecnum = JEDEC_ST;
11365 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11366 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11368 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11369 case FLASH_5717VENDOR_ST_M_M25PE20:
11370 case FLASH_5717VENDOR_ST_A_M25PE20:
11371 case FLASH_5717VENDOR_ST_M_M45PE20:
11372 case FLASH_5717VENDOR_ST_A_M45PE20:
11373 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11376 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11381 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11385 tg3_nvram_get_pagesize(tp, nvcfg1);
11386 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11387 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11390 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
11391 static void __devinit tg3_nvram_init(struct tg3 *tp)
11393 tw32_f(GRC_EEPROM_ADDR,
11394 (EEPROM_ADDR_FSM_RESET |
11395 (EEPROM_DEFAULT_CLOCK_PERIOD <<
11396 EEPROM_ADDR_CLKPERD_SHIFT)));
11400 /* Enable seeprom accesses. */
11401 tw32_f(GRC_LOCAL_CTRL,
11402 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11405 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11406 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11407 tp->tg3_flags |= TG3_FLAG_NVRAM;
11409 if (tg3_nvram_lock(tp)) {
11410 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
11411 "tg3_nvram_init failed.\n", tp->dev->name);
11414 tg3_enable_nvram_access(tp);
11416 tp->nvram_size = 0;
11418 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11419 tg3_get_5752_nvram_info(tp);
11420 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11421 tg3_get_5755_nvram_info(tp);
11422 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11423 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11424 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11425 tg3_get_5787_nvram_info(tp);
11426 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11427 tg3_get_5761_nvram_info(tp);
11428 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11429 tg3_get_5906_nvram_info(tp);
11430 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
11431 tg3_get_57780_nvram_info(tp);
11432 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
11433 tg3_get_5717_nvram_info(tp);
11435 tg3_get_nvram_info(tp);
11437 if (tp->nvram_size == 0)
11438 tg3_get_nvram_size(tp);
11440 tg3_disable_nvram_access(tp);
11441 tg3_nvram_unlock(tp);
11444 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11446 tg3_get_eeprom_size(tp);
11450 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11451 u32 offset, u32 len, u8 *buf)
11456 for (i = 0; i < len; i += 4) {
11462 memcpy(&data, buf + i, 4);
11465 * The SEEPROM interface expects the data to always be opposite
11466 * the native endian format. We accomplish this by reversing
11467 * all the operations that would have been performed on the
11468 * data from a call to tg3_nvram_read_be32().
11470 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
11472 val = tr32(GRC_EEPROM_ADDR);
11473 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11475 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11477 tw32(GRC_EEPROM_ADDR, val |
11478 (0 << EEPROM_ADDR_DEVID_SHIFT) |
11479 (addr & EEPROM_ADDR_ADDR_MASK) |
11480 EEPROM_ADDR_START |
11481 EEPROM_ADDR_WRITE);
11483 for (j = 0; j < 1000; j++) {
11484 val = tr32(GRC_EEPROM_ADDR);
11486 if (val & EEPROM_ADDR_COMPLETE)
11490 if (!(val & EEPROM_ADDR_COMPLETE)) {
11499 /* offset and length are dword aligned */
11500 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11504 u32 pagesize = tp->nvram_pagesize;
11505 u32 pagemask = pagesize - 1;
11509 tmp = kmalloc(pagesize, GFP_KERNEL);
11515 u32 phy_addr, page_off, size;
11517 phy_addr = offset & ~pagemask;
11519 for (j = 0; j < pagesize; j += 4) {
11520 ret = tg3_nvram_read_be32(tp, phy_addr + j,
11521 (__be32 *) (tmp + j));
11528 page_off = offset & pagemask;
11535 memcpy(tmp + page_off, buf, size);
11537 offset = offset + (pagesize - page_off);
11539 tg3_enable_nvram_access(tp);
11542 * Before we can erase the flash page, we need
11543 * to issue a special "write enable" command.
11545 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11547 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11550 /* Erase the target page */
11551 tw32(NVRAM_ADDR, phy_addr);
11553 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11554 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11556 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11559 /* Issue another write enable to start the write. */
11560 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11562 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11565 for (j = 0; j < pagesize; j += 4) {
11568 data = *((__be32 *) (tmp + j));
11570 tw32(NVRAM_WRDATA, be32_to_cpu(data));
11572 tw32(NVRAM_ADDR, phy_addr + j);
11574 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
11578 nvram_cmd |= NVRAM_CMD_FIRST;
11579 else if (j == (pagesize - 4))
11580 nvram_cmd |= NVRAM_CMD_LAST;
11582 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11589 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11590 tg3_nvram_exec_cmd(tp, nvram_cmd);
11597 /* offset and length are dword aligned */
11598 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
11603 for (i = 0; i < len; i += 4, offset += 4) {
11604 u32 page_off, phy_addr, nvram_cmd;
11607 memcpy(&data, buf + i, 4);
11608 tw32(NVRAM_WRDATA, be32_to_cpu(data));
11610 page_off = offset % tp->nvram_pagesize;
11612 phy_addr = tg3_nvram_phys_addr(tp, offset);
11614 tw32(NVRAM_ADDR, phy_addr);
11616 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
11618 if ((page_off == 0) || (i == 0))
11619 nvram_cmd |= NVRAM_CMD_FIRST;
11620 if (page_off == (tp->nvram_pagesize - 4))
11621 nvram_cmd |= NVRAM_CMD_LAST;
11623 if (i == (len - 4))
11624 nvram_cmd |= NVRAM_CMD_LAST;
11626 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
11627 !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
11628 (tp->nvram_jedecnum == JEDEC_ST) &&
11629 (nvram_cmd & NVRAM_CMD_FIRST)) {
11631 if ((ret = tg3_nvram_exec_cmd(tp,
11632 NVRAM_CMD_WREN | NVRAM_CMD_GO |
11637 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11638 /* We always do complete word writes to eeprom. */
11639 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
11642 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
11648 /* offset and length are dword aligned */
11649 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
11653 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
11654 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
11655 ~GRC_LCLCTRL_GPIO_OUTPUT1);
11659 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
11660 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
11665 ret = tg3_nvram_lock(tp);
11669 tg3_enable_nvram_access(tp);
11670 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
11671 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
11672 tw32(NVRAM_WRITE1, 0x406);
11674 grc_mode = tr32(GRC_MODE);
11675 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
11677 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
11678 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
11680 ret = tg3_nvram_write_block_buffered(tp, offset, len,
11684 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
11688 grc_mode = tr32(GRC_MODE);
11689 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
11691 tg3_disable_nvram_access(tp);
11692 tg3_nvram_unlock(tp);
11695 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
11696 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
11703 struct subsys_tbl_ent {
11704 u16 subsys_vendor, subsys_devid;
11708 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
11709 /* Broadcom boards. */
11710 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
11711 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
11712 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
11713 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
11714 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
11715 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
11716 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
11717 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
11718 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
11719 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
11720 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
11723 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
11724 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
11725 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
11726 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
11727 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
11730 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
11731 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
11732 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
11733 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
11735 /* Compaq boards. */
11736 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
11737 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
11738 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
11739 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
11740 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
11743 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
11746 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
11750 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
11751 if ((subsys_id_to_phy_id[i].subsys_vendor ==
11752 tp->pdev->subsystem_vendor) &&
11753 (subsys_id_to_phy_id[i].subsys_devid ==
11754 tp->pdev->subsystem_device))
11755 return &subsys_id_to_phy_id[i];
11760 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
11765 /* On some early chips the SRAM cannot be accessed in D3hot state,
11766 * so need make sure we're in D0.
11768 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
11769 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
11770 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
11773 /* Make sure register accesses (indirect or otherwise)
11774 * will function correctly.
11776 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11777 tp->misc_host_ctrl);
11779 /* The memory arbiter has to be enabled in order for SRAM accesses
11780 * to succeed. Normally on powerup the tg3 chip firmware will make
11781 * sure it is enabled, but other entities such as system netboot
11782 * code might disable it.
11784 val = tr32(MEMARB_MODE);
11785 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
11787 tp->phy_id = PHY_ID_INVALID;
11788 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11790 /* Assume an onboard device and WOL capable by default. */
11791 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
11793 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11794 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
11795 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11796 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11798 val = tr32(VCPU_CFGSHDW);
11799 if (val & VCPU_CFGSHDW_ASPM_DBNC)
11800 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11801 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
11802 (val & VCPU_CFGSHDW_WOL_MAGPKT))
11803 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11807 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
11808 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
11809 u32 nic_cfg, led_cfg;
11810 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
11811 int eeprom_phy_serdes = 0;
11813 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
11814 tp->nic_sram_data_cfg = nic_cfg;
11816 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
11817 ver >>= NIC_SRAM_DATA_VER_SHIFT;
11818 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
11819 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
11820 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
11821 (ver > 0) && (ver < 0x100))
11822 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
11824 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11825 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
11827 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
11828 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
11829 eeprom_phy_serdes = 1;
11831 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
11832 if (nic_phy_id != 0) {
11833 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
11834 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
11836 eeprom_phy_id = (id1 >> 16) << 10;
11837 eeprom_phy_id |= (id2 & 0xfc00) << 16;
11838 eeprom_phy_id |= (id2 & 0x03ff) << 0;
11842 tp->phy_id = eeprom_phy_id;
11843 if (eeprom_phy_serdes) {
11844 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
11845 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
11847 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11850 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11851 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
11852 SHASTA_EXT_LED_MODE_MASK);
11854 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
11858 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
11859 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11862 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
11863 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11866 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
11867 tp->led_ctrl = LED_CTRL_MODE_MAC;
11869 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
11870 * read on some older 5700/5701 bootcode.
11872 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11874 GET_ASIC_REV(tp->pci_chip_rev_id) ==
11876 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11880 case SHASTA_EXT_LED_SHARED:
11881 tp->led_ctrl = LED_CTRL_MODE_SHARED;
11882 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
11883 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
11884 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11885 LED_CTRL_MODE_PHY_2);
11888 case SHASTA_EXT_LED_MAC:
11889 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
11892 case SHASTA_EXT_LED_COMBO:
11893 tp->led_ctrl = LED_CTRL_MODE_COMBO;
11894 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
11895 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11896 LED_CTRL_MODE_PHY_2);
11901 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11902 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
11903 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
11904 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11906 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
11907 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11909 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
11910 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
11911 if ((tp->pdev->subsystem_vendor ==
11912 PCI_VENDOR_ID_ARIMA) &&
11913 (tp->pdev->subsystem_device == 0x205a ||
11914 tp->pdev->subsystem_device == 0x2063))
11915 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11917 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11918 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11921 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
11922 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
11923 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11924 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
11927 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
11928 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11929 tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
11931 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
11932 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
11933 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
11935 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
11936 (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
11937 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11939 if (cfg2 & (1 << 17))
11940 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
11942 /* serdes signal pre-emphasis in register 0x590 set by */
11943 /* bootcode if bit 18 is set */
11944 if (cfg2 & (1 << 18))
11945 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
11947 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
11948 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
11949 (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
11950 tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
11952 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11955 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
11956 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
11957 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11960 if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
11961 tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
11962 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
11963 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
11964 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
11965 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
11968 device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
11969 device_set_wakeup_enable(&tp->pdev->dev,
11970 tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
11973 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
11978 tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
11979 tw32(OTP_CTRL, cmd);
11981 /* Wait for up to 1 ms for command to execute. */
11982 for (i = 0; i < 100; i++) {
11983 val = tr32(OTP_STATUS);
11984 if (val & OTP_STATUS_CMD_DONE)
11989 return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
11992 /* Read the gphy configuration from the OTP region of the chip. The gphy
11993 * configuration is a 32-bit value that straddles the alignment boundary.
11994 * We do two 32-bit reads and then shift and merge the results.
11996 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
11998 u32 bhalf_otp, thalf_otp;
12000 tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
12002 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
12005 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
12007 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12010 thalf_otp = tr32(OTP_READ_DATA);
12012 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
12014 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12017 bhalf_otp = tr32(OTP_READ_DATA);
12019 return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
12022 static int __devinit tg3_phy_probe(struct tg3 *tp)
12024 u32 hw_phy_id_1, hw_phy_id_2;
12025 u32 hw_phy_id, hw_phy_id_masked;
12028 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
12029 return tg3_phy_init(tp);
12031 /* Reading the PHY ID register can conflict with ASF
12032 * firmware access to the PHY hardware.
12035 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12036 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
12037 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
12039 /* Now read the physical PHY_ID from the chip and verify
12040 * that it is sane. If it doesn't look good, we fall back
12041 * to either the hard-coded table based PHY_ID and failing
12042 * that the value found in the eeprom area.
12044 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
12045 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
12047 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
12048 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12049 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
12051 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
12054 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
12055 tp->phy_id = hw_phy_id;
12056 if (hw_phy_id_masked == PHY_ID_BCM8002)
12057 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12059 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
12061 if (tp->phy_id != PHY_ID_INVALID) {
12062 /* Do nothing, phy ID already set up in
12063 * tg3_get_eeprom_hw_cfg().
12066 struct subsys_tbl_ent *p;
12068 /* No eeprom signature? Try the hardcoded
12069 * subsys device table.
12071 p = lookup_by_subsys(tp);
12075 tp->phy_id = p->phy_id;
12077 tp->phy_id == PHY_ID_BCM8002)
12078 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
12082 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
12083 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
12084 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
12085 u32 bmsr, adv_reg, tg3_ctrl, mask;
12087 tg3_readphy(tp, MII_BMSR, &bmsr);
12088 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12089 (bmsr & BMSR_LSTATUS))
12090 goto skip_phy_reset;
12092 err = tg3_phy_reset(tp);
12096 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12097 ADVERTISE_100HALF | ADVERTISE_100FULL |
12098 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12100 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
12101 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12102 MII_TG3_CTRL_ADV_1000_FULL);
12103 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12104 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12105 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12106 MII_TG3_CTRL_ENABLE_AS_MASTER);
12109 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12110 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12111 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12112 if (!tg3_copper_is_advertising_all(tp, mask)) {
12113 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12115 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12116 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12118 tg3_writephy(tp, MII_BMCR,
12119 BMCR_ANENABLE | BMCR_ANRESTART);
12121 tg3_phy_set_wirespeed(tp);
12123 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12124 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
12125 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12129 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
12130 err = tg3_init_5401phy_dsp(tp);
12135 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
12136 err = tg3_init_5401phy_dsp(tp);
12139 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
12140 tp->link_config.advertising =
12141 (ADVERTISED_1000baseT_Half |
12142 ADVERTISED_1000baseT_Full |
12143 ADVERTISED_Autoneg |
12145 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
12146 tp->link_config.advertising &=
12147 ~(ADVERTISED_1000baseT_Half |
12148 ADVERTISED_1000baseT_Full);
12153 static void __devinit tg3_read_partno(struct tg3 *tp)
12155 unsigned char vpd_data[256]; /* in little-endian format */
12159 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12160 tg3_nvram_read(tp, 0x0, &magic))
12161 goto out_not_found;
12163 if (magic == TG3_EEPROM_MAGIC) {
12164 for (i = 0; i < 256; i += 4) {
12167 /* The data is in little-endian format in NVRAM.
12168 * Use the big-endian read routines to preserve
12169 * the byte order as it exists in NVRAM.
12171 if (tg3_nvram_read_be32(tp, 0x100 + i, &tmp))
12172 goto out_not_found;
12174 memcpy(&vpd_data[i], &tmp, sizeof(tmp));
12179 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
12180 for (i = 0; i < 256; i += 4) {
12185 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
12187 while (j++ < 100) {
12188 pci_read_config_word(tp->pdev, vpd_cap +
12189 PCI_VPD_ADDR, &tmp16);
12190 if (tmp16 & 0x8000)
12194 if (!(tmp16 & 0x8000))
12195 goto out_not_found;
12197 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
12199 v = cpu_to_le32(tmp);
12200 memcpy(&vpd_data[i], &v, sizeof(v));
12204 /* Now parse and find the part number. */
12205 for (i = 0; i < 254; ) {
12206 unsigned char val = vpd_data[i];
12207 unsigned int block_end;
12209 if (val == 0x82 || val == 0x91) {
12212 (vpd_data[i + 2] << 8)));
12217 goto out_not_found;
12219 block_end = (i + 3 +
12221 (vpd_data[i + 2] << 8)));
12224 if (block_end > 256)
12225 goto out_not_found;
12227 while (i < (block_end - 2)) {
12228 if (vpd_data[i + 0] == 'P' &&
12229 vpd_data[i + 1] == 'N') {
12230 int partno_len = vpd_data[i + 2];
12233 if (partno_len > 24 || (partno_len + i) > 256)
12234 goto out_not_found;
12236 memcpy(tp->board_part_number,
12237 &vpd_data[i], partno_len);
12242 i += 3 + vpd_data[i + 2];
12245 /* Part number not found. */
12246 goto out_not_found;
12250 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12251 strcpy(tp->board_part_number, "BCM95906");
12252 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12253 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12254 strcpy(tp->board_part_number, "BCM57780");
12255 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12256 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12257 strcpy(tp->board_part_number, "BCM57760");
12258 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12259 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12260 strcpy(tp->board_part_number, "BCM57790");
12261 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
12262 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12263 strcpy(tp->board_part_number, "BCM57788");
12265 strcpy(tp->board_part_number, "none");
12268 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12272 if (tg3_nvram_read(tp, offset, &val) ||
12273 (val & 0xfc000000) != 0x0c000000 ||
12274 tg3_nvram_read(tp, offset + 4, &val) ||
12281 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12283 u32 val, offset, start, ver_offset;
12285 bool newver = false;
12287 if (tg3_nvram_read(tp, 0xc, &offset) ||
12288 tg3_nvram_read(tp, 0x4, &start))
12291 offset = tg3_nvram_logical_addr(tp, offset);
12293 if (tg3_nvram_read(tp, offset, &val))
12296 if ((val & 0xfc000000) == 0x0c000000) {
12297 if (tg3_nvram_read(tp, offset + 4, &val))
12305 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
12308 offset = offset + ver_offset - start;
12309 for (i = 0; i < 16; i += 4) {
12311 if (tg3_nvram_read_be32(tp, offset + i, &v))
12314 memcpy(tp->fw_ver + i, &v, sizeof(v));
12319 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12322 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12323 TG3_NVM_BCVER_MAJSFT;
12324 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12325 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
12329 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12331 u32 val, major, minor;
12333 /* Use native endian representation */
12334 if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12337 major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12338 TG3_NVM_HWSB_CFG1_MAJSFT;
12339 minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12340 TG3_NVM_HWSB_CFG1_MINSFT;
12342 snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12345 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12347 u32 offset, major, minor, build;
12349 tp->fw_ver[0] = 's';
12350 tp->fw_ver[1] = 'b';
12351 tp->fw_ver[2] = '\0';
12353 if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12356 switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12357 case TG3_EEPROM_SB_REVISION_0:
12358 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12360 case TG3_EEPROM_SB_REVISION_2:
12361 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12363 case TG3_EEPROM_SB_REVISION_3:
12364 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12370 if (tg3_nvram_read(tp, offset, &val))
12373 build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12374 TG3_EEPROM_SB_EDH_BLD_SHFT;
12375 major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12376 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12377 minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
12379 if (minor > 99 || build > 26)
12382 snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
12385 tp->fw_ver[8] = 'a' + build - 1;
12386 tp->fw_ver[9] = '\0';
12390 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
12392 u32 val, offset, start;
12395 for (offset = TG3_NVM_DIR_START;
12396 offset < TG3_NVM_DIR_END;
12397 offset += TG3_NVM_DIRENT_SIZE) {
12398 if (tg3_nvram_read(tp, offset, &val))
12401 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12405 if (offset == TG3_NVM_DIR_END)
12408 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12409 start = 0x08000000;
12410 else if (tg3_nvram_read(tp, offset - 4, &start))
12413 if (tg3_nvram_read(tp, offset + 4, &offset) ||
12414 !tg3_fw_img_is_valid(tp, offset) ||
12415 tg3_nvram_read(tp, offset + 8, &val))
12418 offset += val - start;
12420 vlen = strlen(tp->fw_ver);
12422 tp->fw_ver[vlen++] = ',';
12423 tp->fw_ver[vlen++] = ' ';
12425 for (i = 0; i < 4; i++) {
12427 if (tg3_nvram_read_be32(tp, offset, &v))
12430 offset += sizeof(v);
12432 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12433 memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
12437 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12442 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12447 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12448 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
12451 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12452 if (apedata != APE_SEG_SIG_MAGIC)
12455 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12456 if (!(apedata & APE_FW_STATUS_READY))
12459 apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12461 vlen = strlen(tp->fw_ver);
12463 snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
12464 (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12465 (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12466 (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12467 (apedata & APE_FW_VERSION_BLDMSK));
12470 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12474 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12475 tp->fw_ver[0] = 's';
12476 tp->fw_ver[1] = 'b';
12477 tp->fw_ver[2] = '\0';
12482 if (tg3_nvram_read(tp, 0, &val))
12485 if (val == TG3_EEPROM_MAGIC)
12486 tg3_read_bc_ver(tp);
12487 else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
12488 tg3_read_sb_ver(tp, val);
12489 else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
12490 tg3_read_hwsb_ver(tp);
12494 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12495 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
12498 tg3_read_mgmtfw_ver(tp);
12500 tp->fw_ver[TG3_VER_SIZE - 1] = 0;
12503 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
12505 static int __devinit tg3_get_invariants(struct tg3 *tp)
12507 static struct pci_device_id write_reorder_chipsets[] = {
12508 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12509 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
12510 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
12511 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
12512 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
12513 PCI_DEVICE_ID_VIA_8385_0) },
12517 u32 pci_state_reg, grc_misc_cfg;
12522 /* Force memory write invalidate off. If we leave it on,
12523 * then on 5700_BX chips we have to enable a workaround.
12524 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
12525 * to match the cacheline size. The Broadcom driver have this
12526 * workaround but turns MWI off all the times so never uses
12527 * it. This seems to suggest that the workaround is insufficient.
12529 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12530 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
12531 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12533 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
12534 * has the register indirect write enable bit set before
12535 * we try to access any of the MMIO registers. It is also
12536 * critical that the PCI-X hw workaround situation is decided
12537 * before that as well.
12539 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12542 tp->pci_chip_rev_id = (misc_ctrl_reg >>
12543 MISC_HOST_CTRL_CHIPREV_SHIFT);
12544 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
12545 u32 prod_id_asic_rev;
12547 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717C ||
12548 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717S ||
12549 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718C ||
12550 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718S)
12551 pci_read_config_dword(tp->pdev,
12552 TG3PCI_GEN2_PRODID_ASICREV,
12553 &prod_id_asic_rev);
12555 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
12556 &prod_id_asic_rev);
12558 tp->pci_chip_rev_id = prod_id_asic_rev;
12561 /* Wrong chip ID in 5752 A0. This code can be removed later
12562 * as A0 is not in production.
12564 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
12565 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
12567 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
12568 * we need to disable memory and use config. cycles
12569 * only to access all registers. The 5702/03 chips
12570 * can mistakenly decode the special cycles from the
12571 * ICH chipsets as memory write cycles, causing corruption
12572 * of register and memory space. Only certain ICH bridges
12573 * will drive special cycles with non-zero data during the
12574 * address phase which can fall within the 5703's address
12575 * range. This is not an ICH bug as the PCI spec allows
12576 * non-zero address during special cycles. However, only
12577 * these ICH bridges are known to drive non-zero addresses
12578 * during special cycles.
12580 * Since special cycles do not cross PCI bridges, we only
12581 * enable this workaround if the 5703 is on the secondary
12582 * bus of these ICH bridges.
12584 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
12585 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
12586 static struct tg3_dev_id {
12590 } ich_chipsets[] = {
12591 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
12593 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
12595 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
12597 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
12601 struct tg3_dev_id *pci_id = &ich_chipsets[0];
12602 struct pci_dev *bridge = NULL;
12604 while (pci_id->vendor != 0) {
12605 bridge = pci_get_device(pci_id->vendor, pci_id->device,
12611 if (pci_id->rev != PCI_ANY_ID) {
12612 if (bridge->revision > pci_id->rev)
12615 if (bridge->subordinate &&
12616 (bridge->subordinate->number ==
12617 tp->pdev->bus->number)) {
12619 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
12620 pci_dev_put(bridge);
12626 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
12627 static struct tg3_dev_id {
12630 } bridge_chipsets[] = {
12631 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
12632 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
12635 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
12636 struct pci_dev *bridge = NULL;
12638 while (pci_id->vendor != 0) {
12639 bridge = pci_get_device(pci_id->vendor,
12646 if (bridge->subordinate &&
12647 (bridge->subordinate->number <=
12648 tp->pdev->bus->number) &&
12649 (bridge->subordinate->subordinate >=
12650 tp->pdev->bus->number)) {
12651 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
12652 pci_dev_put(bridge);
12658 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
12659 * DMA addresses > 40-bit. This bridge may have other additional
12660 * 57xx devices behind it in some 4-port NIC designs for example.
12661 * Any tg3 device found behind the bridge will also need the 40-bit
12664 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
12665 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12666 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
12667 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12668 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
12671 struct pci_dev *bridge = NULL;
12674 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
12675 PCI_DEVICE_ID_SERVERWORKS_EPB,
12677 if (bridge && bridge->subordinate &&
12678 (bridge->subordinate->number <=
12679 tp->pdev->bus->number) &&
12680 (bridge->subordinate->subordinate >=
12681 tp->pdev->bus->number)) {
12682 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
12683 pci_dev_put(bridge);
12689 /* Initialize misc host control in PCI block. */
12690 tp->misc_host_ctrl |= (misc_ctrl_reg &
12691 MISC_HOST_CTRL_CHIPREV);
12692 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12693 tp->misc_host_ctrl);
12695 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
12696 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
12697 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12698 tp->pdev_peer = tg3_find_peer(tp);
12700 /* Intentionally exclude ASIC_REV_5906 */
12701 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12702 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
12703 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12704 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12705 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12706 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
12707 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12708 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
12710 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12711 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
12712 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
12713 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12714 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
12715 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
12717 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
12718 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12719 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
12721 /* 5700 B0 chips do not support checksumming correctly due
12722 * to hardware bugs.
12724 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
12725 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
12727 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12728 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
12729 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
12730 tp->dev->features |= NETIF_F_IPV6_CSUM;
12733 /* Determine TSO capabilities */
12734 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12735 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
12736 else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12737 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12738 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
12739 else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
12740 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
12741 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
12742 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
12743 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
12744 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12745 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
12746 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
12747 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
12748 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
12749 tp->fw_needed = FIRMWARE_TG3TSO5;
12751 tp->fw_needed = FIRMWARE_TG3TSO;
12756 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
12757 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
12758 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
12759 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
12760 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
12761 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
12762 tp->pdev_peer == tp->pdev))
12763 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
12765 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
12766 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12767 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
12770 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
12771 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
12772 tp->irq_max = TG3_IRQ_MAX_VECS;
12776 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
12777 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12778 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
12779 else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
12780 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
12781 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
12784 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
12785 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
12786 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12787 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
12789 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
12792 tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
12793 if (tp->pcie_cap != 0) {
12796 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
12798 pcie_set_readrq(tp->pdev, 4096);
12800 pci_read_config_word(tp->pdev,
12801 tp->pcie_cap + PCI_EXP_LNKCTL,
12803 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
12804 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12805 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
12806 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12807 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12808 tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
12809 tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
12810 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
12812 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
12813 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
12814 } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
12815 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
12816 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
12817 if (!tp->pcix_cap) {
12818 printk(KERN_ERR PFX "Cannot find PCI-X "
12819 "capability, aborting.\n");
12823 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
12824 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
12827 /* If we have an AMD 762 or VIA K8T800 chipset, write
12828 * reordering to the mailbox registers done by the host
12829 * controller can cause major troubles. We read back from
12830 * every mailbox register write to force the writes to be
12831 * posted to the chip in order.
12833 if (pci_dev_present(write_reorder_chipsets) &&
12834 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
12835 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
12837 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
12838 &tp->pci_cacheline_sz);
12839 pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
12840 &tp->pci_lat_timer);
12841 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
12842 tp->pci_lat_timer < 64) {
12843 tp->pci_lat_timer = 64;
12844 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
12845 tp->pci_lat_timer);
12848 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
12849 /* 5700 BX chips need to have their TX producer index
12850 * mailboxes written twice to workaround a bug.
12852 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
12854 /* If we are in PCI-X mode, enable register write workaround.
12856 * The workaround is to use indirect register accesses
12857 * for all chip writes not to mailbox registers.
12859 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
12862 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12864 /* The chip can have it's power management PCI config
12865 * space registers clobbered due to this bug.
12866 * So explicitly force the chip into D0 here.
12868 pci_read_config_dword(tp->pdev,
12869 tp->pm_cap + PCI_PM_CTRL,
12871 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
12872 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
12873 pci_write_config_dword(tp->pdev,
12874 tp->pm_cap + PCI_PM_CTRL,
12877 /* Also, force SERR#/PERR# in PCI command. */
12878 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12879 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
12880 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12884 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
12885 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
12886 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
12887 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
12889 /* Chip-specific fixup from Broadcom driver */
12890 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
12891 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
12892 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
12893 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
12896 /* Default fast path register access methods */
12897 tp->read32 = tg3_read32;
12898 tp->write32 = tg3_write32;
12899 tp->read32_mbox = tg3_read32;
12900 tp->write32_mbox = tg3_write32;
12901 tp->write32_tx_mbox = tg3_write32;
12902 tp->write32_rx_mbox = tg3_write32;
12904 /* Various workaround register access methods */
12905 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
12906 tp->write32 = tg3_write_indirect_reg32;
12907 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
12908 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
12909 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
12911 * Back to back register writes can cause problems on these
12912 * chips, the workaround is to read back all reg writes
12913 * except those to mailbox regs.
12915 * See tg3_write_indirect_reg32().
12917 tp->write32 = tg3_write_flush_reg32;
12920 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
12921 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
12922 tp->write32_tx_mbox = tg3_write32_tx_mbox;
12923 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
12924 tp->write32_rx_mbox = tg3_write_flush_reg32;
12927 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
12928 tp->read32 = tg3_read_indirect_reg32;
12929 tp->write32 = tg3_write_indirect_reg32;
12930 tp->read32_mbox = tg3_read_indirect_mbox;
12931 tp->write32_mbox = tg3_write_indirect_mbox;
12932 tp->write32_tx_mbox = tg3_write_indirect_mbox;
12933 tp->write32_rx_mbox = tg3_write_indirect_mbox;
12938 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12939 pci_cmd &= ~PCI_COMMAND_MEMORY;
12940 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12942 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12943 tp->read32_mbox = tg3_read32_mbox_5906;
12944 tp->write32_mbox = tg3_write32_mbox_5906;
12945 tp->write32_tx_mbox = tg3_write32_mbox_5906;
12946 tp->write32_rx_mbox = tg3_write32_mbox_5906;
12949 if (tp->write32 == tg3_write_indirect_reg32 ||
12950 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12951 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12952 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
12953 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
12955 /* Get eeprom hw config before calling tg3_set_power_state().
12956 * In particular, the TG3_FLG2_IS_NIC flag must be
12957 * determined before calling tg3_set_power_state() so that
12958 * we know whether or not to switch out of Vaux power.
12959 * When the flag is set, it means that GPIO1 is used for eeprom
12960 * write protect and also implies that it is a LOM where GPIOs
12961 * are not used to switch power.
12963 tg3_get_eeprom_hw_cfg(tp);
12965 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
12966 /* Allow reads and writes to the
12967 * APE register and memory space.
12969 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
12970 PCISTATE_ALLOW_APE_SHMEM_WR;
12971 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
12975 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12976 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12977 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12978 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
12979 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
12980 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
12982 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
12983 * GPIO1 driven high will bring 5700's external PHY out of reset.
12984 * It is also used as eeprom write protect on LOMs.
12986 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
12987 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12988 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
12989 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
12990 GRC_LCLCTRL_GPIO_OUTPUT1);
12991 /* Unused GPIO3 must be driven as output on 5752 because there
12992 * are no pull-up resistors on unused GPIO pins.
12994 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
12995 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
12997 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12998 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12999 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13001 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
13002 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
13003 /* Turn off the debug UART. */
13004 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13005 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
13006 /* Keep VMain power. */
13007 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
13008 GRC_LCLCTRL_GPIO_OUTPUT0;
13011 /* Force the chip into D0. */
13012 err = tg3_set_power_state(tp, PCI_D0);
13014 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
13015 pci_name(tp->pdev));
13019 /* Derive initial jumbo mode from MTU assigned in
13020 * ether_setup() via the alloc_etherdev() call
13022 if (tp->dev->mtu > ETH_DATA_LEN &&
13023 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13024 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
13026 /* Determine WakeOnLan speed to use. */
13027 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13028 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
13029 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
13030 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
13031 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
13033 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
13036 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13037 tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
13039 /* A few boards don't want Ethernet@WireSpeed phy feature */
13040 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13041 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
13042 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
13043 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
13044 (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) ||
13045 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
13046 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
13048 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13049 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13050 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
13051 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13052 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
13054 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
13055 !(tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) &&
13056 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
13057 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13058 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
13059 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13060 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13061 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13062 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
13063 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13064 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13065 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
13066 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13067 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
13069 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
13072 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13073 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13074 tp->phy_otp = tg3_read_otp_phycfg(tp);
13075 if (tp->phy_otp == 0)
13076 tp->phy_otp = TG3_OTP_DEFAULT;
13079 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
13080 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13082 tp->mi_mode = MAC_MI_MODE_BASE;
13084 tp->coalesce_mode = 0;
13085 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13086 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13087 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13089 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13090 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13091 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13093 err = tg3_mdio_init(tp);
13097 /* Initialize data/descriptor byte/word swapping. */
13098 val = tr32(GRC_MODE);
13099 val &= GRC_MODE_HOST_STACKUP;
13100 tw32(GRC_MODE, val | tp->grc_mode);
13102 tg3_switch_clocks(tp);
13104 /* Clear this out for sanity. */
13105 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13107 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13109 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13110 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13111 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13113 if (chiprevid == CHIPREV_ID_5701_A0 ||
13114 chiprevid == CHIPREV_ID_5701_B0 ||
13115 chiprevid == CHIPREV_ID_5701_B2 ||
13116 chiprevid == CHIPREV_ID_5701_B5) {
13117 void __iomem *sram_base;
13119 /* Write some dummy words into the SRAM status block
13120 * area, see if it reads back correctly. If the return
13121 * value is bad, force enable the PCIX workaround.
13123 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13125 writel(0x00000000, sram_base);
13126 writel(0x00000000, sram_base + 4);
13127 writel(0xffffffff, sram_base + 4);
13128 if (readl(sram_base) != 0x00000000)
13129 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13134 tg3_nvram_init(tp);
13136 grc_misc_cfg = tr32(GRC_MISC_CFG);
13137 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13139 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13140 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13141 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13142 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13144 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13145 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13146 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13147 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13148 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13149 HOSTCC_MODE_CLRTICK_TXBD);
13151 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13152 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13153 tp->misc_host_ctrl);
13156 /* Preserve the APE MAC_MODE bits */
13157 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13158 tp->mac_mode = tr32(MAC_MODE) |
13159 MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13161 tp->mac_mode = TG3_DEF_MAC_MODE;
13163 /* these are limited to 10/100 only */
13164 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13165 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13166 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13167 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13168 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13169 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13170 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13171 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13172 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
13173 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13174 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
13175 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
13176 (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET))
13177 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
13179 err = tg3_phy_probe(tp);
13181 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
13182 pci_name(tp->pdev), err);
13183 /* ... but do not return immediately ... */
13187 tg3_read_partno(tp);
13188 tg3_read_fw_ver(tp);
13190 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
13191 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13193 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13194 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
13196 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
13199 /* 5700 {AX,BX} chips have a broken status block link
13200 * change bit implementation, so we must use the
13201 * status register in those cases.
13203 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13204 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13206 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13208 /* The led_ctrl is set during tg3_phy_probe, here we might
13209 * have to force the link status polling mechanism based
13210 * upon subsystem IDs.
13212 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
13213 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13214 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
13215 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
13216 TG3_FLAG_USE_LINKCHG_REG);
13219 /* For all SERDES we poll the MAC status register. */
13220 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
13221 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13223 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13225 tp->rx_offset = NET_IP_ALIGN;
13226 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13227 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
13230 tp->rx_std_max_post = TG3_RX_RING_SIZE;
13232 /* Increment the rx prod index on the rx std ring by at most
13233 * 8 for these chips to workaround hw errata.
13235 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13236 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13237 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13238 tp->rx_std_max_post = 8;
13240 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13241 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13242 PCIE_PWR_MGMT_L1_THRESH_MSK;
13247 #ifdef CONFIG_SPARC
13248 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13250 struct net_device *dev = tp->dev;
13251 struct pci_dev *pdev = tp->pdev;
13252 struct device_node *dp = pci_device_to_OF_node(pdev);
13253 const unsigned char *addr;
13256 addr = of_get_property(dp, "local-mac-address", &len);
13257 if (addr && len == 6) {
13258 memcpy(dev->dev_addr, addr, 6);
13259 memcpy(dev->perm_addr, dev->dev_addr, 6);
13265 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13267 struct net_device *dev = tp->dev;
13269 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
13270 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
13275 static int __devinit tg3_get_device_address(struct tg3 *tp)
13277 struct net_device *dev = tp->dev;
13278 u32 hi, lo, mac_offset;
13281 #ifdef CONFIG_SPARC
13282 if (!tg3_get_macaddr_sparc(tp))
13287 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
13288 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13289 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13291 if (tg3_nvram_lock(tp))
13292 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13294 tg3_nvram_unlock(tp);
13295 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13296 if (tr32(TG3_CPMU_STATUS) & TG3_CPMU_STATUS_PCIE_FUNC)
13298 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13301 /* First try to get it from MAC address mailbox. */
13302 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13303 if ((hi >> 16) == 0x484b) {
13304 dev->dev_addr[0] = (hi >> 8) & 0xff;
13305 dev->dev_addr[1] = (hi >> 0) & 0xff;
13307 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13308 dev->dev_addr[2] = (lo >> 24) & 0xff;
13309 dev->dev_addr[3] = (lo >> 16) & 0xff;
13310 dev->dev_addr[4] = (lo >> 8) & 0xff;
13311 dev->dev_addr[5] = (lo >> 0) & 0xff;
13313 /* Some old bootcode may report a 0 MAC address in SRAM */
13314 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13317 /* Next, try NVRAM. */
13318 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13319 !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
13320 !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
13321 memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13322 memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
13324 /* Finally just fetch it out of the MAC control regs. */
13326 hi = tr32(MAC_ADDR_0_HIGH);
13327 lo = tr32(MAC_ADDR_0_LOW);
13329 dev->dev_addr[5] = lo & 0xff;
13330 dev->dev_addr[4] = (lo >> 8) & 0xff;
13331 dev->dev_addr[3] = (lo >> 16) & 0xff;
13332 dev->dev_addr[2] = (lo >> 24) & 0xff;
13333 dev->dev_addr[1] = hi & 0xff;
13334 dev->dev_addr[0] = (hi >> 8) & 0xff;
13338 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
13339 #ifdef CONFIG_SPARC
13340 if (!tg3_get_default_macaddr_sparc(tp))
13345 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
13349 #define BOUNDARY_SINGLE_CACHELINE 1
13350 #define BOUNDARY_MULTI_CACHELINE 2
13352 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13354 int cacheline_size;
13358 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13360 cacheline_size = 1024;
13362 cacheline_size = (int) byte * 4;
13364 /* On 5703 and later chips, the boundary bits have no
13367 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13368 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13369 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13372 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13373 goal = BOUNDARY_MULTI_CACHELINE;
13375 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13376 goal = BOUNDARY_SINGLE_CACHELINE;
13382 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
13383 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13390 /* PCI controllers on most RISC systems tend to disconnect
13391 * when a device tries to burst across a cache-line boundary.
13392 * Therefore, letting tg3 do so just wastes PCI bandwidth.
13394 * Unfortunately, for PCI-E there are only limited
13395 * write-side controls for this, and thus for reads
13396 * we will still get the disconnects. We'll also waste
13397 * these PCI cycles for both read and write for chips
13398 * other than 5700 and 5701 which do not implement the
13401 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13402 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13403 switch (cacheline_size) {
13408 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13409 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13410 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13412 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13413 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13418 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13419 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13423 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13424 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13427 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13428 switch (cacheline_size) {
13432 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13433 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13434 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
13440 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
13441 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
13445 switch (cacheline_size) {
13447 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13448 val |= (DMA_RWCTRL_READ_BNDRY_16 |
13449 DMA_RWCTRL_WRITE_BNDRY_16);
13454 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13455 val |= (DMA_RWCTRL_READ_BNDRY_32 |
13456 DMA_RWCTRL_WRITE_BNDRY_32);
13461 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13462 val |= (DMA_RWCTRL_READ_BNDRY_64 |
13463 DMA_RWCTRL_WRITE_BNDRY_64);
13468 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13469 val |= (DMA_RWCTRL_READ_BNDRY_128 |
13470 DMA_RWCTRL_WRITE_BNDRY_128);
13475 val |= (DMA_RWCTRL_READ_BNDRY_256 |
13476 DMA_RWCTRL_WRITE_BNDRY_256);
13479 val |= (DMA_RWCTRL_READ_BNDRY_512 |
13480 DMA_RWCTRL_WRITE_BNDRY_512);
13484 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
13485 DMA_RWCTRL_WRITE_BNDRY_1024);
13494 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
13496 struct tg3_internal_buffer_desc test_desc;
13497 u32 sram_dma_descs;
13500 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
13502 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
13503 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
13504 tw32(RDMAC_STATUS, 0);
13505 tw32(WDMAC_STATUS, 0);
13507 tw32(BUFMGR_MODE, 0);
13508 tw32(FTQ_RESET, 0);
13510 test_desc.addr_hi = ((u64) buf_dma) >> 32;
13511 test_desc.addr_lo = buf_dma & 0xffffffff;
13512 test_desc.nic_mbuf = 0x00002100;
13513 test_desc.len = size;
13516 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
13517 * the *second* time the tg3 driver was getting loaded after an
13520 * Broadcom tells me:
13521 * ...the DMA engine is connected to the GRC block and a DMA
13522 * reset may affect the GRC block in some unpredictable way...
13523 * The behavior of resets to individual blocks has not been tested.
13525 * Broadcom noted the GRC reset will also reset all sub-components.
13528 test_desc.cqid_sqid = (13 << 8) | 2;
13530 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
13533 test_desc.cqid_sqid = (16 << 8) | 7;
13535 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
13538 test_desc.flags = 0x00000005;
13540 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
13543 val = *(((u32 *)&test_desc) + i);
13544 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
13545 sram_dma_descs + (i * sizeof(u32)));
13546 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
13548 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
13551 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
13553 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
13557 for (i = 0; i < 40; i++) {
13561 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
13563 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
13564 if ((val & 0xffff) == sram_dma_descs) {
13575 #define TEST_BUFFER_SIZE 0x2000
13577 static int __devinit tg3_test_dma(struct tg3 *tp)
13579 dma_addr_t buf_dma;
13580 u32 *buf, saved_dma_rwctrl;
13583 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
13589 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
13590 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
13592 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
13594 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13597 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13598 /* DMA read watermark not used on PCIE */
13599 tp->dma_rwctrl |= 0x00180000;
13600 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
13601 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
13602 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
13603 tp->dma_rwctrl |= 0x003f0000;
13605 tp->dma_rwctrl |= 0x003f000f;
13607 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13608 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
13609 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
13610 u32 read_water = 0x7;
13612 /* If the 5704 is behind the EPB bridge, we can
13613 * do the less restrictive ONE_DMA workaround for
13614 * better performance.
13616 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
13617 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13618 tp->dma_rwctrl |= 0x8000;
13619 else if (ccval == 0x6 || ccval == 0x7)
13620 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
13622 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
13624 /* Set bit 23 to enable PCIX hw bug fix */
13626 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
13627 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
13629 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
13630 /* 5780 always in PCIX mode */
13631 tp->dma_rwctrl |= 0x00144000;
13632 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13633 /* 5714 always in PCIX mode */
13634 tp->dma_rwctrl |= 0x00148000;
13636 tp->dma_rwctrl |= 0x001b000f;
13640 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
13641 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
13642 tp->dma_rwctrl &= 0xfffffff0;
13644 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13645 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
13646 /* Remove this if it causes problems for some boards. */
13647 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
13649 /* On 5700/5701 chips, we need to set this bit.
13650 * Otherwise the chip will issue cacheline transactions
13651 * to streamable DMA memory with not all the byte
13652 * enables turned on. This is an error on several
13653 * RISC PCI controllers, in particular sparc64.
13655 * On 5703/5704 chips, this bit has been reassigned
13656 * a different meaning. In particular, it is used
13657 * on those chips to enable a PCI-X workaround.
13659 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
13662 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13665 /* Unneeded, already done by tg3_get_invariants. */
13666 tg3_switch_clocks(tp);
13669 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13670 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
13673 /* It is best to perform DMA test with maximum write burst size
13674 * to expose the 5700/5701 write DMA bug.
13676 saved_dma_rwctrl = tp->dma_rwctrl;
13677 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13678 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13683 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
13686 /* Send the buffer to the chip. */
13687 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
13689 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
13694 /* validate data reached card RAM correctly. */
13695 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13697 tg3_read_mem(tp, 0x2100 + (i*4), &val);
13698 if (le32_to_cpu(val) != p[i]) {
13699 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
13700 /* ret = -ENODEV here? */
13705 /* Now read it back. */
13706 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
13708 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
13714 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
13718 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13719 DMA_RWCTRL_WRITE_BNDRY_16) {
13720 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13721 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
13722 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13725 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
13731 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
13737 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
13738 DMA_RWCTRL_WRITE_BNDRY_16) {
13739 static struct pci_device_id dma_wait_state_chipsets[] = {
13740 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
13741 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
13745 /* DMA test passed without adjusting DMA boundary,
13746 * now look for chipsets that are known to expose the
13747 * DMA bug without failing the test.
13749 if (pci_dev_present(dma_wait_state_chipsets)) {
13750 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
13751 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
13754 /* Safe to use the calculated DMA boundary. */
13755 tp->dma_rwctrl = saved_dma_rwctrl;
13757 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
13761 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
13766 static void __devinit tg3_init_link_config(struct tg3 *tp)
13768 tp->link_config.advertising =
13769 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
13770 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
13771 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
13772 ADVERTISED_Autoneg | ADVERTISED_MII);
13773 tp->link_config.speed = SPEED_INVALID;
13774 tp->link_config.duplex = DUPLEX_INVALID;
13775 tp->link_config.autoneg = AUTONEG_ENABLE;
13776 tp->link_config.active_speed = SPEED_INVALID;
13777 tp->link_config.active_duplex = DUPLEX_INVALID;
13778 tp->link_config.phy_is_low_power = 0;
13779 tp->link_config.orig_speed = SPEED_INVALID;
13780 tp->link_config.orig_duplex = DUPLEX_INVALID;
13781 tp->link_config.orig_autoneg = AUTONEG_INVALID;
13784 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
13786 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS &&
13787 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
13788 tp->bufmgr_config.mbuf_read_dma_low_water =
13789 DEFAULT_MB_RDMA_LOW_WATER_5705;
13790 tp->bufmgr_config.mbuf_mac_rx_low_water =
13791 DEFAULT_MB_MACRX_LOW_WATER_5705;
13792 tp->bufmgr_config.mbuf_high_water =
13793 DEFAULT_MB_HIGH_WATER_5705;
13794 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13795 tp->bufmgr_config.mbuf_mac_rx_low_water =
13796 DEFAULT_MB_MACRX_LOW_WATER_5906;
13797 tp->bufmgr_config.mbuf_high_water =
13798 DEFAULT_MB_HIGH_WATER_5906;
13801 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
13802 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
13803 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
13804 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
13805 tp->bufmgr_config.mbuf_high_water_jumbo =
13806 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
13808 tp->bufmgr_config.mbuf_read_dma_low_water =
13809 DEFAULT_MB_RDMA_LOW_WATER;
13810 tp->bufmgr_config.mbuf_mac_rx_low_water =
13811 DEFAULT_MB_MACRX_LOW_WATER;
13812 tp->bufmgr_config.mbuf_high_water =
13813 DEFAULT_MB_HIGH_WATER;
13815 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
13816 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
13817 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
13818 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
13819 tp->bufmgr_config.mbuf_high_water_jumbo =
13820 DEFAULT_MB_HIGH_WATER_JUMBO;
13823 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
13824 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
13827 static char * __devinit tg3_phy_string(struct tg3 *tp)
13829 switch (tp->phy_id & PHY_ID_MASK) {
13830 case PHY_ID_BCM5400: return "5400";
13831 case PHY_ID_BCM5401: return "5401";
13832 case PHY_ID_BCM5411: return "5411";
13833 case PHY_ID_BCM5701: return "5701";
13834 case PHY_ID_BCM5703: return "5703";
13835 case PHY_ID_BCM5704: return "5704";
13836 case PHY_ID_BCM5705: return "5705";
13837 case PHY_ID_BCM5750: return "5750";
13838 case PHY_ID_BCM5752: return "5752";
13839 case PHY_ID_BCM5714: return "5714";
13840 case PHY_ID_BCM5780: return "5780";
13841 case PHY_ID_BCM5755: return "5755";
13842 case PHY_ID_BCM5787: return "5787";
13843 case PHY_ID_BCM5784: return "5784";
13844 case PHY_ID_BCM5756: return "5722/5756";
13845 case PHY_ID_BCM5906: return "5906";
13846 case PHY_ID_BCM5761: return "5761";
13847 case PHY_ID_BCM5717: return "5717";
13848 case PHY_ID_BCM8002: return "8002/serdes";
13849 case 0: return "serdes";
13850 default: return "unknown";
13854 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
13856 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13857 strcpy(str, "PCI Express");
13859 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13860 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
13862 strcpy(str, "PCIX:");
13864 if ((clock_ctrl == 7) ||
13865 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
13866 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
13867 strcat(str, "133MHz");
13868 else if (clock_ctrl == 0)
13869 strcat(str, "33MHz");
13870 else if (clock_ctrl == 2)
13871 strcat(str, "50MHz");
13872 else if (clock_ctrl == 4)
13873 strcat(str, "66MHz");
13874 else if (clock_ctrl == 6)
13875 strcat(str, "100MHz");
13877 strcpy(str, "PCI:");
13878 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
13879 strcat(str, "66MHz");
13881 strcat(str, "33MHz");
13883 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
13884 strcat(str, ":32-bit");
13886 strcat(str, ":64-bit");
13890 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
13892 struct pci_dev *peer;
13893 unsigned int func, devnr = tp->pdev->devfn & ~7;
13895 for (func = 0; func < 8; func++) {
13896 peer = pci_get_slot(tp->pdev->bus, devnr | func);
13897 if (peer && peer != tp->pdev)
13901 /* 5704 can be configured in single-port mode, set peer to
13902 * tp->pdev in that case.
13910 * We don't need to keep the refcount elevated; there's no way
13911 * to remove one half of this device without removing the other
13918 static void __devinit tg3_init_coal(struct tg3 *tp)
13920 struct ethtool_coalesce *ec = &tp->coal;
13922 memset(ec, 0, sizeof(*ec));
13923 ec->cmd = ETHTOOL_GCOALESCE;
13924 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
13925 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
13926 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
13927 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
13928 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
13929 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
13930 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
13931 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
13932 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
13934 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
13935 HOSTCC_MODE_CLRTICK_TXBD)) {
13936 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
13937 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
13938 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
13939 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
13942 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
13943 ec->rx_coalesce_usecs_irq = 0;
13944 ec->tx_coalesce_usecs_irq = 0;
13945 ec->stats_block_coalesce_usecs = 0;
13949 static const struct net_device_ops tg3_netdev_ops = {
13950 .ndo_open = tg3_open,
13951 .ndo_stop = tg3_close,
13952 .ndo_start_xmit = tg3_start_xmit,
13953 .ndo_get_stats = tg3_get_stats,
13954 .ndo_validate_addr = eth_validate_addr,
13955 .ndo_set_multicast_list = tg3_set_rx_mode,
13956 .ndo_set_mac_address = tg3_set_mac_addr,
13957 .ndo_do_ioctl = tg3_ioctl,
13958 .ndo_tx_timeout = tg3_tx_timeout,
13959 .ndo_change_mtu = tg3_change_mtu,
13960 #if TG3_VLAN_TAG_USED
13961 .ndo_vlan_rx_register = tg3_vlan_rx_register,
13963 #ifdef CONFIG_NET_POLL_CONTROLLER
13964 .ndo_poll_controller = tg3_poll_controller,
13968 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
13969 .ndo_open = tg3_open,
13970 .ndo_stop = tg3_close,
13971 .ndo_start_xmit = tg3_start_xmit_dma_bug,
13972 .ndo_get_stats = tg3_get_stats,
13973 .ndo_validate_addr = eth_validate_addr,
13974 .ndo_set_multicast_list = tg3_set_rx_mode,
13975 .ndo_set_mac_address = tg3_set_mac_addr,
13976 .ndo_do_ioctl = tg3_ioctl,
13977 .ndo_tx_timeout = tg3_tx_timeout,
13978 .ndo_change_mtu = tg3_change_mtu,
13979 #if TG3_VLAN_TAG_USED
13980 .ndo_vlan_rx_register = tg3_vlan_rx_register,
13982 #ifdef CONFIG_NET_POLL_CONTROLLER
13983 .ndo_poll_controller = tg3_poll_controller,
13987 static int __devinit tg3_init_one(struct pci_dev *pdev,
13988 const struct pci_device_id *ent)
13990 static int tg3_version_printed = 0;
13991 struct net_device *dev;
13993 int i, err, pm_cap;
13994 u32 sndmbx, rcvmbx, intmbx;
13996 u64 dma_mask, persist_dma_mask;
13998 if (tg3_version_printed++ == 0)
13999 printk(KERN_INFO "%s", version);
14001 err = pci_enable_device(pdev);
14003 printk(KERN_ERR PFX "Cannot enable PCI device, "
14008 err = pci_request_regions(pdev, DRV_MODULE_NAME);
14010 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
14012 goto err_out_disable_pdev;
14015 pci_set_master(pdev);
14017 /* Find power-management capability. */
14018 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
14020 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
14023 goto err_out_free_res;
14026 dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
14028 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
14030 goto err_out_free_res;
14033 SET_NETDEV_DEV(dev, &pdev->dev);
14035 #if TG3_VLAN_TAG_USED
14036 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
14039 tp = netdev_priv(dev);
14042 tp->pm_cap = pm_cap;
14043 tp->rx_mode = TG3_DEF_RX_MODE;
14044 tp->tx_mode = TG3_DEF_TX_MODE;
14047 tp->msg_enable = tg3_debug;
14049 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14051 /* The word/byte swap controls here control register access byte
14052 * swapping. DMA data byte swapping is controlled in the GRC_MODE
14055 tp->misc_host_ctrl =
14056 MISC_HOST_CTRL_MASK_PCI_INT |
14057 MISC_HOST_CTRL_WORD_SWAP |
14058 MISC_HOST_CTRL_INDIR_ACCESS |
14059 MISC_HOST_CTRL_PCISTATE_RW;
14061 /* The NONFRM (non-frame) byte/word swap controls take effect
14062 * on descriptor entries, anything which isn't packet data.
14064 * The StrongARM chips on the board (one for tx, one for rx)
14065 * are running in big-endian mode.
14067 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14068 GRC_MODE_WSWAP_NONFRM_DATA);
14069 #ifdef __BIG_ENDIAN
14070 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14072 spin_lock_init(&tp->lock);
14073 spin_lock_init(&tp->indirect_lock);
14074 INIT_WORK(&tp->reset_task, tg3_reset_task);
14076 tp->regs = pci_ioremap_bar(pdev, BAR_0);
14078 printk(KERN_ERR PFX "Cannot map device registers, "
14081 goto err_out_free_dev;
14084 tg3_init_link_config(tp);
14086 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14087 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
14089 dev->ethtool_ops = &tg3_ethtool_ops;
14090 dev->watchdog_timeo = TG3_TX_TIMEOUT;
14091 dev->irq = pdev->irq;
14093 err = tg3_get_invariants(tp);
14095 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
14097 goto err_out_iounmap;
14100 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14101 tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
14102 dev->netdev_ops = &tg3_netdev_ops;
14104 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14107 /* The EPB bridge inside 5714, 5715, and 5780 and any
14108 * device behind the EPB cannot support DMA addresses > 40-bit.
14109 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14110 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14111 * do DMA address check in tg3_start_xmit().
14113 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
14114 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
14115 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
14116 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
14117 #ifdef CONFIG_HIGHMEM
14118 dma_mask = DMA_BIT_MASK(64);
14121 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
14123 /* Configure DMA attributes. */
14124 if (dma_mask > DMA_BIT_MASK(32)) {
14125 err = pci_set_dma_mask(pdev, dma_mask);
14127 dev->features |= NETIF_F_HIGHDMA;
14128 err = pci_set_consistent_dma_mask(pdev,
14131 printk(KERN_ERR PFX "Unable to obtain 64 bit "
14132 "DMA for consistent allocations\n");
14133 goto err_out_iounmap;
14137 if (err || dma_mask == DMA_BIT_MASK(32)) {
14138 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
14140 printk(KERN_ERR PFX "No usable DMA configuration, "
14142 goto err_out_iounmap;
14146 tg3_init_bufmgr_config(tp);
14148 /* Selectively allow TSO based on operating conditions */
14149 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14150 (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
14151 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
14153 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14154 tp->fw_needed = NULL;
14157 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14158 tp->fw_needed = FIRMWARE_TG3;
14160 /* TSO is on by default on chips that support hardware TSO.
14161 * Firmware TSO on older chips gives lower performance, so it
14162 * is off by default, but can be enabled using ethtool.
14164 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14165 (dev->features & NETIF_F_IP_CSUM))
14166 dev->features |= NETIF_F_TSO;
14168 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14169 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14170 if (dev->features & NETIF_F_IPV6_CSUM)
14171 dev->features |= NETIF_F_TSO6;
14172 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14173 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
14174 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14175 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
14176 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
14177 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
14178 dev->features |= NETIF_F_TSO_ECN;
14181 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14182 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14183 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14184 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14185 tp->rx_pending = 63;
14188 err = tg3_get_device_address(tp);
14190 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
14195 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
14196 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
14197 if (!tp->aperegs) {
14198 printk(KERN_ERR PFX "Cannot map APE registers, "
14204 tg3_ape_lock_init(tp);
14206 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14207 tg3_read_dash_ver(tp);
14211 * Reset chip in case UNDI or EFI driver did not shutdown
14212 * DMA self test will enable WDMAC and we'll see (spurious)
14213 * pending DMA on the PCI bus at that point.
14215 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14216 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
14217 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
14218 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14221 err = tg3_test_dma(tp);
14223 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
14224 goto err_out_apeunmap;
14227 /* flow control autonegotiation is default behavior */
14228 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
14229 tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
14231 intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14232 rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14233 sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14234 for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
14235 struct tg3_napi *tnapi = &tp->napi[i];
14238 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14240 tnapi->int_mbox = intmbx;
14246 tnapi->consmbox = rcvmbx;
14247 tnapi->prodmbox = sndmbx;
14250 tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14251 netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
14253 tnapi->coal_now = HOSTCC_MODE_NOW;
14254 netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
14257 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14261 * If we support MSIX, we'll be using RSS. If we're using
14262 * RSS, the first vector only handles link interrupts and the
14263 * remaining vectors handle rx and tx interrupts. Reuse the
14264 * mailbox values for the next iteration. The values we setup
14265 * above are still useful for the single vectored mode.
14280 pci_set_drvdata(pdev, dev);
14282 err = register_netdev(dev);
14284 printk(KERN_ERR PFX "Cannot register net device, "
14286 goto err_out_apeunmap;
14289 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
14291 tp->board_part_number,
14292 tp->pci_chip_rev_id,
14293 tg3_bus_string(tp, str),
14296 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
14297 struct phy_device *phydev;
14298 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
14300 "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
14301 tp->dev->name, phydev->drv->name,
14302 dev_name(&phydev->dev));
14305 "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
14306 tp->dev->name, tg3_phy_string(tp),
14307 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
14308 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
14309 "10/100/1000Base-T")),
14310 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
14312 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
14314 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14315 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14316 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
14317 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
14318 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
14319 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14320 dev->name, tp->dma_rwctrl,
14321 (pdev->dma_mask == DMA_BIT_MASK(32)) ? 32 :
14322 (((u64) pdev->dma_mask == DMA_BIT_MASK(40)) ? 40 : 64));
14328 iounmap(tp->aperegs);
14329 tp->aperegs = NULL;
14334 release_firmware(tp->fw);
14346 pci_release_regions(pdev);
14348 err_out_disable_pdev:
14349 pci_disable_device(pdev);
14350 pci_set_drvdata(pdev, NULL);
14354 static void __devexit tg3_remove_one(struct pci_dev *pdev)
14356 struct net_device *dev = pci_get_drvdata(pdev);
14359 struct tg3 *tp = netdev_priv(dev);
14362 release_firmware(tp->fw);
14364 flush_scheduled_work();
14366 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14371 unregister_netdev(dev);
14373 iounmap(tp->aperegs);
14374 tp->aperegs = NULL;
14381 pci_release_regions(pdev);
14382 pci_disable_device(pdev);
14383 pci_set_drvdata(pdev, NULL);
14387 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14389 struct net_device *dev = pci_get_drvdata(pdev);
14390 struct tg3 *tp = netdev_priv(dev);
14391 pci_power_t target_state;
14394 /* PCI register 4 needs to be saved whether netif_running() or not.
14395 * MSI address and data need to be saved if using MSI and
14398 pci_save_state(pdev);
14400 if (!netif_running(dev))
14403 flush_scheduled_work();
14405 tg3_netif_stop(tp);
14407 del_timer_sync(&tp->timer);
14409 tg3_full_lock(tp, 1);
14410 tg3_disable_ints(tp);
14411 tg3_full_unlock(tp);
14413 netif_device_detach(dev);
14415 tg3_full_lock(tp, 0);
14416 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14417 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
14418 tg3_full_unlock(tp);
14420 target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
14422 err = tg3_set_power_state(tp, target_state);
14426 tg3_full_lock(tp, 0);
14428 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14429 err2 = tg3_restart_hw(tp, 1);
14433 tp->timer.expires = jiffies + tp->timer_offset;
14434 add_timer(&tp->timer);
14436 netif_device_attach(dev);
14437 tg3_netif_start(tp);
14440 tg3_full_unlock(tp);
14449 static int tg3_resume(struct pci_dev *pdev)
14451 struct net_device *dev = pci_get_drvdata(pdev);
14452 struct tg3 *tp = netdev_priv(dev);
14455 pci_restore_state(tp->pdev);
14457 if (!netif_running(dev))
14460 err = tg3_set_power_state(tp, PCI_D0);
14464 netif_device_attach(dev);
14466 tg3_full_lock(tp, 0);
14468 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
14469 err = tg3_restart_hw(tp, 1);
14473 tp->timer.expires = jiffies + tp->timer_offset;
14474 add_timer(&tp->timer);
14476 tg3_netif_start(tp);
14479 tg3_full_unlock(tp);
14487 static struct pci_driver tg3_driver = {
14488 .name = DRV_MODULE_NAME,
14489 .id_table = tg3_pci_tbl,
14490 .probe = tg3_init_one,
14491 .remove = __devexit_p(tg3_remove_one),
14492 .suspend = tg3_suspend,
14493 .resume = tg3_resume
14496 static int __init tg3_init(void)
14498 return pci_register_driver(&tg3_driver);
14501 static void __exit tg3_cleanup(void)
14503 pci_unregister_driver(&tg3_driver);
14506 module_init(tg3_init);
14507 module_exit(tg3_cleanup);