1 /*******************************************************************************
3 Intel(R) Gigabit Ethernet Linux driver
4 Copyright(c) 2007-2011 Intel Corporation.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 #ifndef _E1000_DEFINES_H_
29 #define _E1000_DEFINES_H_
31 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
32 #define REQ_TX_DESCRIPTOR_MULTIPLE 8
33 #define REQ_RX_DESCRIPTOR_MULTIPLE 8
35 /* Definitions for power management and wakeup registers */
37 #define E1000_WUC_PME_EN 0x00000002 /* PME Enable */
39 /* Wake Up Filter Control */
40 #define E1000_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
41 #define E1000_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */
42 #define E1000_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */
43 #define E1000_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */
44 #define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */
46 /* Extended Device Control */
47 #define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Defineable Pin 3 */
48 /* Physical Func Reset Done Indication */
49 #define E1000_CTRL_EXT_PFRSTD 0x00004000
50 #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
51 #define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000
52 #define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000
53 #define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000
54 #define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000
55 #define E1000_CTRL_EXT_EIAME 0x01000000
56 #define E1000_CTRL_EXT_IRCA 0x00000001
57 /* Interrupt delay cancellation */
58 /* Driver loaded bit for FW */
59 #define E1000_CTRL_EXT_DRV_LOAD 0x10000000
60 /* Interrupt acknowledge Auto-mask */
61 /* Clear Interrupt timers after IMS clear */
62 /* packet buffer parity error detection enabled */
63 /* descriptor FIFO parity error detection enable */
64 #define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */
65 #define E1000_I2CCMD_REG_ADDR_SHIFT 16
66 #define E1000_I2CCMD_PHY_ADDR_SHIFT 24
67 #define E1000_I2CCMD_OPCODE_READ 0x08000000
68 #define E1000_I2CCMD_OPCODE_WRITE 0x00000000
69 #define E1000_I2CCMD_READY 0x20000000
70 #define E1000_I2CCMD_ERROR 0x80000000
71 #define E1000_MAX_SGMII_PHY_REG_ADDR 255
72 #define E1000_I2CCMD_PHY_TIMEOUT 200
73 #define E1000_IVAR_VALID 0x80
74 #define E1000_GPIE_NSICR 0x00000001
75 #define E1000_GPIE_MSIX_MODE 0x00000010
76 #define E1000_GPIE_EIAME 0x40000000
77 #define E1000_GPIE_PBA 0x80000000
79 /* Receive Descriptor bit definitions */
80 #define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */
81 #define E1000_RXD_STAT_EOP 0x02 /* End of Packet */
82 #define E1000_RXD_STAT_IXSM 0x04 /* Ignore checksum */
83 #define E1000_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */
84 #define E1000_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */
85 #define E1000_RXD_STAT_TCPCS 0x20 /* TCP xsum calculated */
86 #define E1000_RXD_STAT_TS 0x10000 /* Pkt was time stamped */
88 #define E1000_RXDEXT_STATERR_LB 0x00040000
89 #define E1000_RXDEXT_STATERR_CE 0x01000000
90 #define E1000_RXDEXT_STATERR_SE 0x02000000
91 #define E1000_RXDEXT_STATERR_SEQ 0x04000000
92 #define E1000_RXDEXT_STATERR_CXE 0x10000000
93 #define E1000_RXDEXT_STATERR_TCPE 0x20000000
94 #define E1000_RXDEXT_STATERR_IPE 0x40000000
95 #define E1000_RXDEXT_STATERR_RXE 0x80000000
97 /* Same mask, but for extended and packet split descriptors */
98 #define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \
99 E1000_RXDEXT_STATERR_CE | \
100 E1000_RXDEXT_STATERR_SE | \
101 E1000_RXDEXT_STATERR_SEQ | \
102 E1000_RXDEXT_STATERR_CXE | \
103 E1000_RXDEXT_STATERR_RXE)
105 #define E1000_MRQC_RSS_FIELD_IPV4_TCP 0x00010000
106 #define E1000_MRQC_RSS_FIELD_IPV4 0x00020000
107 #define E1000_MRQC_RSS_FIELD_IPV6_TCP_EX 0x00040000
108 #define E1000_MRQC_RSS_FIELD_IPV6 0x00100000
109 #define E1000_MRQC_RSS_FIELD_IPV6_TCP 0x00200000
112 /* Management Control */
113 #define E1000_MANC_SMBUS_EN 0x00000001 /* SMBus Enabled - RO */
114 #define E1000_MANC_ASF_EN 0x00000002 /* ASF Enabled - RO */
115 #define E1000_MANC_EN_BMC2OS 0x10000000 /* OSBMC is Enabled or not */
116 /* Enable Neighbor Discovery Filtering */
117 #define E1000_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
118 #define E1000_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */
119 /* Enable MAC address filtering */
120 #define E1000_MANC_EN_MAC_ADDR_FILTER 0x00100000
122 /* Receive Control */
123 #define E1000_RCTL_EN 0x00000002 /* enable */
124 #define E1000_RCTL_SBP 0x00000004 /* store bad packet */
125 #define E1000_RCTL_UPE 0x00000008 /* unicast promiscuous enable */
126 #define E1000_RCTL_MPE 0x00000010 /* multicast promiscuous enab */
127 #define E1000_RCTL_LPE 0x00000020 /* long packet enable */
128 #define E1000_RCTL_LBM_MAC 0x00000040 /* MAC loopback mode */
129 #define E1000_RCTL_LBM_TCVR 0x000000C0 /* tcvr loopback mode */
130 #define E1000_RCTL_RDMTS_HALF 0x00000000 /* rx desc min threshold size */
131 #define E1000_RCTL_MO_SHIFT 12 /* multicast offset shift */
132 #define E1000_RCTL_BAM 0x00008000 /* broadcast enable */
133 #define E1000_RCTL_SZ_512 0x00020000 /* rx buffer size 512 */
134 #define E1000_RCTL_SZ_256 0x00030000 /* rx buffer size 256 */
135 #define E1000_RCTL_VFE 0x00040000 /* vlan filter enable */
136 #define E1000_RCTL_CFIEN 0x00080000 /* canonical form enable */
137 #define E1000_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */
140 * Use byte values for the following shift parameters
142 * psrctl |= (((ROUNDUP(value0, 128) >> E1000_PSRCTL_BSIZE0_SHIFT) &
143 * E1000_PSRCTL_BSIZE0_MASK) |
144 * ((ROUNDUP(value1, 1024) >> E1000_PSRCTL_BSIZE1_SHIFT) &
145 * E1000_PSRCTL_BSIZE1_MASK) |
146 * ((ROUNDUP(value2, 1024) << E1000_PSRCTL_BSIZE2_SHIFT) &
147 * E1000_PSRCTL_BSIZE2_MASK) |
148 * ((ROUNDUP(value3, 1024) << E1000_PSRCTL_BSIZE3_SHIFT) |;
149 * E1000_PSRCTL_BSIZE3_MASK))
150 * where value0 = [128..16256], default=256
151 * value1 = [1024..64512], default=4096
152 * value2 = [0..64512], default=4096
153 * value3 = [0..64512], default=0
156 #define E1000_PSRCTL_BSIZE0_MASK 0x0000007F
157 #define E1000_PSRCTL_BSIZE1_MASK 0x00003F00
158 #define E1000_PSRCTL_BSIZE2_MASK 0x003F0000
159 #define E1000_PSRCTL_BSIZE3_MASK 0x3F000000
161 #define E1000_PSRCTL_BSIZE0_SHIFT 7 /* Shift _right_ 7 */
162 #define E1000_PSRCTL_BSIZE1_SHIFT 2 /* Shift _right_ 2 */
163 #define E1000_PSRCTL_BSIZE2_SHIFT 6 /* Shift _left_ 6 */
164 #define E1000_PSRCTL_BSIZE3_SHIFT 14 /* Shift _left_ 14 */
166 /* SWFW_SYNC Definitions */
167 #define E1000_SWFW_EEP_SM 0x1
168 #define E1000_SWFW_PHY0_SM 0x2
169 #define E1000_SWFW_PHY1_SM 0x4
170 #define E1000_SWFW_PHY2_SM 0x20
171 #define E1000_SWFW_PHY3_SM 0x40
173 /* FACTPS Definitions */
175 #define E1000_CTRL_FD 0x00000001 /* Full duplex.0=half; 1=full */
176 #define E1000_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master requests */
177 #define E1000_CTRL_LRST 0x00000008 /* Link reset. 0=normal,1=reset */
178 #define E1000_CTRL_ASDE 0x00000020 /* Auto-speed detect enable */
179 #define E1000_CTRL_SLU 0x00000040 /* Set link up (Force Link) */
180 #define E1000_CTRL_ILOS 0x00000080 /* Invert Loss-Of Signal */
181 #define E1000_CTRL_SPD_SEL 0x00000300 /* Speed Select Mask */
182 #define E1000_CTRL_SPD_100 0x00000100 /* Force 100Mb */
183 #define E1000_CTRL_SPD_1000 0x00000200 /* Force 1Gb */
184 #define E1000_CTRL_FRCSPD 0x00000800 /* Force Speed */
185 #define E1000_CTRL_FRCDPX 0x00001000 /* Force Duplex */
186 /* Defined polarity of Dock/Undock indication in SDP[0] */
187 /* Reset both PHY ports, through PHYRST_N pin */
188 /* enable link status from external LINK_0 and LINK_1 pins */
189 #define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
190 #define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
191 #define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */
192 #define E1000_CTRL_RST 0x04000000 /* Global reset */
193 #define E1000_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
194 #define E1000_CTRL_TFCE 0x10000000 /* Transmit flow control enable */
195 #define E1000_CTRL_VME 0x40000000 /* IEEE VLAN mode enable */
196 #define E1000_CTRL_PHY_RST 0x80000000 /* PHY Reset */
197 /* Initiate an interrupt to manageability engine */
198 #define E1000_CTRL_I2C_ENA 0x02000000 /* I2C enable */
200 /* Bit definitions for the Management Data IO (MDIO) and Management Data
201 * Clock (MDC) pins in the Device Control Register.
204 #define E1000_CONNSW_ENRGSRC 0x4
205 #define E1000_PCS_CFG_PCS_EN 8
206 #define E1000_PCS_LCTL_FLV_LINK_UP 1
207 #define E1000_PCS_LCTL_FSV_100 2
208 #define E1000_PCS_LCTL_FSV_1000 4
209 #define E1000_PCS_LCTL_FDV_FULL 8
210 #define E1000_PCS_LCTL_FSD 0x10
211 #define E1000_PCS_LCTL_FORCE_LINK 0x20
212 #define E1000_PCS_LCTL_FORCE_FCTRL 0x80
213 #define E1000_PCS_LCTL_AN_ENABLE 0x10000
214 #define E1000_PCS_LCTL_AN_RESTART 0x20000
215 #define E1000_PCS_LCTL_AN_TIMEOUT 0x40000
216 #define E1000_ENABLE_SERDES_LOOPBACK 0x0410
218 #define E1000_PCS_LSTS_LINK_OK 1
219 #define E1000_PCS_LSTS_SPEED_100 2
220 #define E1000_PCS_LSTS_SPEED_1000 4
221 #define E1000_PCS_LSTS_DUPLEX_FULL 8
222 #define E1000_PCS_LSTS_SYNK_OK 0x10
225 #define E1000_STATUS_FD 0x00000001 /* Full duplex.0=half,1=full */
226 #define E1000_STATUS_LU 0x00000002 /* Link up.0=no,1=link */
227 #define E1000_STATUS_FUNC_MASK 0x0000000C /* PCI Function Mask */
228 #define E1000_STATUS_FUNC_SHIFT 2
229 #define E1000_STATUS_FUNC_1 0x00000004 /* Function 1 */
230 #define E1000_STATUS_TXOFF 0x00000010 /* transmission paused */
231 #define E1000_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */
232 #define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */
233 /* Change in Dock/Undock state. Clear on write '0'. */
234 /* Status of Master requests. */
235 #define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000
236 /* BMC external code execution disabled */
238 /* Constants used to intrepret the masked PCI-X bus speed. */
241 #define SPEED_100 100
242 #define SPEED_1000 1000
243 #define HALF_DUPLEX 1
244 #define FULL_DUPLEX 2
247 #define ADVERTISE_10_HALF 0x0001
248 #define ADVERTISE_10_FULL 0x0002
249 #define ADVERTISE_100_HALF 0x0004
250 #define ADVERTISE_100_FULL 0x0008
251 #define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */
252 #define ADVERTISE_1000_FULL 0x0020
254 /* 1000/H is not supported, nor spec-compliant. */
255 #define E1000_ALL_SPEED_DUPLEX (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
256 ADVERTISE_100_HALF | ADVERTISE_100_FULL | \
258 #define E1000_ALL_NOT_GIG (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
259 ADVERTISE_100_HALF | ADVERTISE_100_FULL)
260 #define E1000_ALL_100_SPEED (ADVERTISE_100_HALF | ADVERTISE_100_FULL)
261 #define E1000_ALL_10_SPEED (ADVERTISE_10_HALF | ADVERTISE_10_FULL)
262 #define E1000_ALL_FULL_DUPLEX (ADVERTISE_10_FULL | ADVERTISE_100_FULL | \
264 #define E1000_ALL_HALF_DUPLEX (ADVERTISE_10_HALF | ADVERTISE_100_HALF)
266 #define AUTONEG_ADVERTISE_SPEED_DEFAULT E1000_ALL_SPEED_DUPLEX
269 #define E1000_LEDCTL_LED0_MODE_SHIFT 0
270 #define E1000_LEDCTL_LED0_BLINK 0x00000080
272 #define E1000_LEDCTL_MODE_LED_ON 0xE
273 #define E1000_LEDCTL_MODE_LED_OFF 0xF
275 /* Transmit Descriptor bit definitions */
276 #define E1000_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */
277 #define E1000_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */
278 #define E1000_TXD_CMD_EOP 0x01000000 /* End of Packet */
279 #define E1000_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
280 #define E1000_TXD_CMD_RS 0x08000000 /* Report Status */
281 #define E1000_TXD_CMD_DEXT 0x20000000 /* Descriptor extension (0 = legacy) */
282 #define E1000_TXD_STAT_DD 0x00000001 /* Descriptor Done */
283 /* Extended desc bits for Linksec and timesync */
285 /* Transmit Control */
286 #define E1000_TCTL_EN 0x00000002 /* enable tx */
287 #define E1000_TCTL_PSP 0x00000008 /* pad short packets */
288 #define E1000_TCTL_CT 0x00000ff0 /* collision threshold */
289 #define E1000_TCTL_COLD 0x003ff000 /* collision distance */
290 #define E1000_TCTL_RTLC 0x01000000 /* Re-transmit on late collision */
292 /* DMA Coalescing register fields */
293 #define E1000_DMACR_DMACWT_MASK 0x00003FFF /* DMA Coalescing
295 #define E1000_DMACR_DMACTHR_MASK 0x00FF0000 /* DMA Coalescing Receive
297 #define E1000_DMACR_DMACTHR_SHIFT 16
298 #define E1000_DMACR_DMAC_LX_MASK 0x30000000 /* Lx when no PCIe
300 #define E1000_DMACR_DMAC_LX_SHIFT 28
301 #define E1000_DMACR_DMAC_EN 0x80000000 /* Enable DMA Coalescing */
303 #define E1000_DMCTXTH_DMCTTHR_MASK 0x00000FFF /* DMA Coalescing Transmit
306 #define E1000_DMCTLX_TTLX_MASK 0x00000FFF /* Time to LX request */
308 #define E1000_DMCRTRH_UTRESH_MASK 0x0007FFFF /* Receive Traffic Rate
310 #define E1000_DMCRTRH_LRPRCW 0x80000000 /* Rcv packet rate in
313 #define E1000_DMCCNT_CCOUNT_MASK 0x01FFFFFF /* DMA Coal Rcv Traffic
316 #define E1000_FCRTC_RTH_COAL_MASK 0x0003FFF0 /* Flow ctrl Rcv Threshold
318 #define E1000_FCRTC_RTH_COAL_SHIFT 4
319 #define E1000_PCIEMISC_LX_DECISION 0x00000080 /* Lx power decision */
322 #define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400
324 /* Receive Checksum Control */
325 #define E1000_RXCSUM_IPOFL 0x00000100 /* IPv4 checksum offload */
326 #define E1000_RXCSUM_TUOFL 0x00000200 /* TCP / UDP checksum offload */
327 #define E1000_RXCSUM_CRCOFL 0x00000800 /* CRC32 offload enable */
328 #define E1000_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */
330 /* Header split receive */
331 #define E1000_RFCTL_LEF 0x00040000
333 /* Collision related configuration parameters */
334 #define E1000_COLLISION_THRESHOLD 15
335 #define E1000_CT_SHIFT 4
336 #define E1000_COLLISION_DISTANCE 63
337 #define E1000_COLD_SHIFT 12
339 /* Ethertype field values */
340 #define ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.3ac packet */
342 #define MAX_JUMBO_FRAME_SIZE 0x3F00
345 #define E1000_PBA_34K 0x0022
346 #define E1000_PBA_64K 0x0040 /* 64KB */
348 /* SW Semaphore Register */
349 #define E1000_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */
350 #define E1000_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */
352 /* Interrupt Cause Read */
353 #define E1000_ICR_TXDW 0x00000001 /* Transmit desc written back */
354 #define E1000_ICR_LSC 0x00000004 /* Link Status Change */
355 #define E1000_ICR_RXSEQ 0x00000008 /* rx sequence error */
356 #define E1000_ICR_RXDMT0 0x00000010 /* rx desc min. threshold (0) */
357 #define E1000_ICR_RXT0 0x00000080 /* rx timer intr (ring 0) */
358 #define E1000_ICR_VMMB 0x00000100 /* VM MB event */
359 #define E1000_ICR_DRSTA 0x40000000 /* Device Reset Asserted */
360 /* If this bit asserted, the driver should claim the interrupt */
361 #define E1000_ICR_INT_ASSERTED 0x80000000
362 /* LAN connected device generates an interrupt */
363 #define E1000_ICR_DOUTSYNC 0x10000000 /* NIC DMA out of sync */
365 /* Extended Interrupt Cause Read */
366 #define E1000_EICR_RX_QUEUE0 0x00000001 /* Rx Queue 0 Interrupt */
367 #define E1000_EICR_RX_QUEUE1 0x00000002 /* Rx Queue 1 Interrupt */
368 #define E1000_EICR_RX_QUEUE2 0x00000004 /* Rx Queue 2 Interrupt */
369 #define E1000_EICR_RX_QUEUE3 0x00000008 /* Rx Queue 3 Interrupt */
370 #define E1000_EICR_TX_QUEUE0 0x00000100 /* Tx Queue 0 Interrupt */
371 #define E1000_EICR_TX_QUEUE1 0x00000200 /* Tx Queue 1 Interrupt */
372 #define E1000_EICR_TX_QUEUE2 0x00000400 /* Tx Queue 2 Interrupt */
373 #define E1000_EICR_TX_QUEUE3 0x00000800 /* Tx Queue 3 Interrupt */
374 #define E1000_EICR_OTHER 0x80000000 /* Interrupt Cause Active */
378 * This defines the bits that are set in the Interrupt Mask
379 * Set/Read Register. Each bit is documented below:
380 * o RXT0 = Receiver Timer Interrupt (ring 0)
381 * o TXDW = Transmit Descriptor Written Back
382 * o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
383 * o RXSEQ = Receive Sequence Error
384 * o LSC = Link Status Change
386 #define IMS_ENABLE_MASK ( \
394 /* Interrupt Mask Set */
395 #define E1000_IMS_TXDW E1000_ICR_TXDW /* Transmit desc written back */
396 #define E1000_IMS_LSC E1000_ICR_LSC /* Link Status Change */
397 #define E1000_IMS_VMMB E1000_ICR_VMMB /* Mail box activity */
398 #define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* rx sequence error */
399 #define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* rx desc min. threshold */
400 #define E1000_IMS_RXT0 E1000_ICR_RXT0 /* rx timer intr */
401 #define E1000_IMS_DRSTA E1000_ICR_DRSTA /* Device Reset Asserted */
402 #define E1000_IMS_DOUTSYNC E1000_ICR_DOUTSYNC /* NIC DMA out of sync */
404 /* Extended Interrupt Mask Set */
405 #define E1000_EIMS_OTHER E1000_EICR_OTHER /* Interrupt Cause Active */
407 /* Interrupt Cause Set */
408 #define E1000_ICS_LSC E1000_ICR_LSC /* Link Status Change */
409 #define E1000_ICS_RXDMT0 E1000_ICR_RXDMT0 /* rx desc min. threshold */
410 #define E1000_ICS_DRSTA E1000_ICR_DRSTA /* Device Reset Aserted */
412 /* Extended Interrupt Cause Set */
413 /* E1000_EITR_CNT_IGNR is only for 82576 and newer */
414 #define E1000_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */
417 /* Transmit Descriptor Control */
418 /* Enable the counting of descriptors still to be processed. */
420 /* Flow Control Constants */
421 #define FLOW_CONTROL_ADDRESS_LOW 0x00C28001
422 #define FLOW_CONTROL_ADDRESS_HIGH 0x00000100
423 #define FLOW_CONTROL_TYPE 0x8808
425 /* 802.1q VLAN Packet Size */
426 #define VLAN_TAG_SIZE 4 /* 802.3ac tag (not DMA'd) */
427 #define E1000_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */
429 /* Receive Address */
431 * Number of high/low register pairs in the RAR. The RAR (Receive Address
432 * Registers) holds the directed and multicast addresses that we monitor.
433 * Technically, we have 16 spots. However, we reserve one of these spots
434 * (RAR[15]) for our directed address used by controllers with
435 * manageability enabled, allowing us room for 15 multicast addresses.
437 #define E1000_RAH_AV 0x80000000 /* Receive descriptor valid */
438 #define E1000_RAL_MAC_ADDR_LEN 4
439 #define E1000_RAH_MAC_ADDR_LEN 2
440 #define E1000_RAH_POOL_MASK 0x03FC0000
441 #define E1000_RAH_POOL_1 0x00040000
444 #define E1000_SUCCESS 0
445 #define E1000_ERR_NVM 1
446 #define E1000_ERR_PHY 2
447 #define E1000_ERR_CONFIG 3
448 #define E1000_ERR_PARAM 4
449 #define E1000_ERR_MAC_INIT 5
450 #define E1000_ERR_RESET 9
451 #define E1000_ERR_MASTER_REQUESTS_PENDING 10
452 #define E1000_BLK_PHY_RESET 12
453 #define E1000_ERR_SWFW_SYNC 13
454 #define E1000_NOT_IMPLEMENTED 14
455 #define E1000_ERR_MBX 15
456 #define E1000_ERR_INVALID_ARGUMENT 16
457 #define E1000_ERR_NO_SPACE 17
458 #define E1000_ERR_NVM_PBA_SECTION 18
460 /* Loop limit on how long we wait for auto-negotiation to complete */
461 #define COPPER_LINK_UP_LIMIT 10
462 #define PHY_AUTO_NEG_LIMIT 45
463 #define PHY_FORCE_LIMIT 20
464 /* Number of 100 microseconds we wait for PCI Express master disable */
465 #define MASTER_DISABLE_TIMEOUT 800
466 /* Number of milliseconds we wait for PHY configuration done after MAC reset */
467 #define PHY_CFG_TIMEOUT 100
468 /* Number of 2 milliseconds we wait for acquiring MDIO ownership. */
469 /* Number of milliseconds for NVM auto read done after MAC reset. */
470 #define AUTO_READ_DONE_TIMEOUT 10
473 #define E1000_FCRTL_XONE 0x80000000 /* Enable XON frame transmission */
475 #define E1000_TSYNCTXCTL_VALID 0x00000001 /* tx timestamp valid */
476 #define E1000_TSYNCTXCTL_ENABLED 0x00000010 /* enable tx timestampping */
478 #define E1000_TSYNCRXCTL_VALID 0x00000001 /* rx timestamp valid */
479 #define E1000_TSYNCRXCTL_TYPE_MASK 0x0000000E /* rx type mask */
480 #define E1000_TSYNCRXCTL_TYPE_L2_V2 0x00
481 #define E1000_TSYNCRXCTL_TYPE_L4_V1 0x02
482 #define E1000_TSYNCRXCTL_TYPE_L2_L4_V2 0x04
483 #define E1000_TSYNCRXCTL_TYPE_ALL 0x08
484 #define E1000_TSYNCRXCTL_TYPE_EVENT_V2 0x0A
485 #define E1000_TSYNCRXCTL_ENABLED 0x00000010 /* enable rx timestampping */
487 #define E1000_TSYNCRXCFG_PTP_V1_CTRLT_MASK 0x000000FF
488 #define E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE 0x00
489 #define E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE 0x01
490 #define E1000_TSYNCRXCFG_PTP_V1_FOLLOWUP_MESSAGE 0x02
491 #define E1000_TSYNCRXCFG_PTP_V1_DELAY_RESP_MESSAGE 0x03
492 #define E1000_TSYNCRXCFG_PTP_V1_MANAGEMENT_MESSAGE 0x04
494 #define E1000_TSYNCRXCFG_PTP_V2_MSGID_MASK 0x00000F00
495 #define E1000_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE 0x0000
496 #define E1000_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE 0x0100
497 #define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_REQ_MESSAGE 0x0200
498 #define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_RESP_MESSAGE 0x0300
499 #define E1000_TSYNCRXCFG_PTP_V2_FOLLOWUP_MESSAGE 0x0800
500 #define E1000_TSYNCRXCFG_PTP_V2_DELAY_RESP_MESSAGE 0x0900
501 #define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_FOLLOWUP_MESSAGE 0x0A00
502 #define E1000_TSYNCRXCFG_PTP_V2_ANNOUNCE_MESSAGE 0x0B00
503 #define E1000_TSYNCRXCFG_PTP_V2_SIGNALLING_MESSAGE 0x0C00
504 #define E1000_TSYNCRXCFG_PTP_V2_MANAGEMENT_MESSAGE 0x0D00
506 #define E1000_TIMINCA_16NS_SHIFT 24
508 #define E1000_MDICNFG_EXT_MDIO 0x80000000 /* MDI ext/int destination */
509 #define E1000_MDICNFG_COM_MDIO 0x40000000 /* MDI shared w/ lan 0 */
510 #define E1000_MDICNFG_PHY_MASK 0x03E00000
511 #define E1000_MDICNFG_PHY_SHIFT 21
513 /* PCI Express Control */
514 #define E1000_GCR_CMPL_TMOUT_MASK 0x0000F000
515 #define E1000_GCR_CMPL_TMOUT_10ms 0x00001000
516 #define E1000_GCR_CMPL_TMOUT_RESEND 0x00010000
517 #define E1000_GCR_CAP_VER2 0x00040000
519 /* mPHY Address Control and Data Registers */
520 #define E1000_MPHY_ADDR_CTL 0x0024 /* mPHY Address Control Register */
521 #define E1000_MPHY_ADDR_CTL_OFFSET_MASK 0xFFFF0000
522 #define E1000_MPHY_DATA 0x0E10 /* mPHY Data Register */
524 /* mPHY PCS CLK Register */
525 #define E1000_MPHY_PCS_CLK_REG_OFFSET 0x0004 /* mPHY PCS CLK AFE CSR Offset */
526 /* mPHY Near End Digital Loopback Override Bit */
527 #define E1000_MPHY_PCS_CLK_REG_DIGINELBEN 0x10
529 /* PHY Control Register */
530 #define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */
531 #define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */
532 #define MII_CR_POWER_DOWN 0x0800 /* Power down */
533 #define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */
534 #define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
535 #define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
536 #define MII_CR_SPEED_1000 0x0040
537 #define MII_CR_SPEED_100 0x2000
538 #define MII_CR_SPEED_10 0x0000
540 /* PHY Status Register */
541 #define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */
542 #define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */
544 /* Autoneg Advertisement Register */
545 #define NWAY_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */
546 #define NWAY_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */
547 #define NWAY_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */
548 #define NWAY_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */
549 #define NWAY_AR_PAUSE 0x0400 /* Pause operation desired */
550 #define NWAY_AR_ASM_DIR 0x0800 /* Asymmetric Pause Direction bit */
552 /* Link Partner Ability Register (Base Page) */
553 #define NWAY_LPAR_PAUSE 0x0400 /* LP Pause operation desired */
554 #define NWAY_LPAR_ASM_DIR 0x0800 /* LP Asymmetric Pause Direction bit */
556 /* Autoneg Expansion Register */
558 /* 1000BASE-T Control Register */
559 #define CR_1000T_HD_CAPS 0x0100 /* Advertise 1000T HD capability */
560 #define CR_1000T_FD_CAPS 0x0200 /* Advertise 1000T FD capability */
561 #define CR_1000T_MS_VALUE 0x0800 /* 1=Configure PHY as Master */
562 /* 0=Configure PHY as Slave */
563 #define CR_1000T_MS_ENABLE 0x1000 /* 1=Master/Slave manual config value */
564 /* 0=Automatic Master/Slave config */
566 /* 1000BASE-T Status Register */
567 #define SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */
568 #define SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */
571 /* PHY 1000 MII Register/Bit Definitions */
572 /* PHY Registers defined by IEEE */
573 #define PHY_CONTROL 0x00 /* Control Register */
574 #define PHY_STATUS 0x01 /* Status Register */
575 #define PHY_ID1 0x02 /* Phy Id Reg (word 1) */
576 #define PHY_ID2 0x03 /* Phy Id Reg (word 2) */
577 #define PHY_AUTONEG_ADV 0x04 /* Autoneg Advertisement */
578 #define PHY_LP_ABILITY 0x05 /* Link Partner Ability (Base Page) */
579 #define PHY_1000T_CTRL 0x09 /* 1000Base-T Control Reg */
580 #define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */
583 #define E1000_EECD_SK 0x00000001 /* NVM Clock */
584 #define E1000_EECD_CS 0x00000002 /* NVM Chip Select */
585 #define E1000_EECD_DI 0x00000004 /* NVM Data In */
586 #define E1000_EECD_DO 0x00000008 /* NVM Data Out */
587 #define E1000_EECD_REQ 0x00000040 /* NVM Access Request */
588 #define E1000_EECD_GNT 0x00000080 /* NVM Access Grant */
589 #define E1000_EECD_PRES 0x00000100 /* NVM Present */
590 /* NVM Addressing bits based on type 0=small, 1=large */
591 #define E1000_EECD_ADDR_BITS 0x00000400
592 #define E1000_NVM_GRANT_ATTEMPTS 1000 /* NVM # attempts to gain grant */
593 #define E1000_EECD_AUTO_RD 0x00000200 /* NVM Auto Read done */
594 #define E1000_EECD_SIZE_EX_MASK 0x00007800 /* NVM Size */
595 #define E1000_EECD_SIZE_EX_SHIFT 11
597 /* Offset to data in NVM read/write registers */
598 #define E1000_NVM_RW_REG_DATA 16
599 #define E1000_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */
600 #define E1000_NVM_RW_REG_START 1 /* Start operation */
601 #define E1000_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */
602 #define E1000_NVM_POLL_READ 0 /* Flag for polling for read complete */
604 /* NVM Word Offsets */
605 #define NVM_COMPAT 0x0003
606 #define NVM_ID_LED_SETTINGS 0x0004 /* SERDES output amplitude */
607 #define NVM_INIT_CONTROL2_REG 0x000F
608 #define NVM_INIT_CONTROL3_PORT_B 0x0014
609 #define NVM_INIT_CONTROL3_PORT_A 0x0024
610 #define NVM_ALT_MAC_ADDR_PTR 0x0037
611 #define NVM_CHECKSUM_REG 0x003F
612 #define NVM_COMPATIBILITY_REG_3 0x0003
613 #define NVM_COMPATIBILITY_BIT_MASK 0x8000
615 #define E1000_NVM_CFG_DONE_PORT_0 0x040000 /* MNG config cycle done */
616 #define E1000_NVM_CFG_DONE_PORT_1 0x080000 /* ...for second port */
617 #define E1000_NVM_CFG_DONE_PORT_2 0x100000 /* ...for third port */
618 #define E1000_NVM_CFG_DONE_PORT_3 0x200000 /* ...for fourth port */
620 #define NVM_82580_LAN_FUNC_OFFSET(a) (a ? (0x40 + (0x40 * a)) : 0)
622 /* Mask bits for fields in Word 0x24 of the NVM */
623 #define NVM_WORD24_COM_MDIO 0x0008 /* MDIO interface shared */
624 #define NVM_WORD24_EXT_MDIO 0x0004 /* MDIO accesses routed external */
626 /* Mask bits for fields in Word 0x0f of the NVM */
627 #define NVM_WORD0F_PAUSE_MASK 0x3000
628 #define NVM_WORD0F_ASM_DIR 0x2000
630 /* Mask bits for fields in Word 0x1a of the NVM */
632 /* length of string needed to store part num */
633 #define E1000_PBANUM_LENGTH 11
635 /* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
636 #define NVM_SUM 0xBABA
638 #define NVM_PBA_OFFSET_0 8
639 #define NVM_PBA_OFFSET_1 9
640 #define NVM_PBA_PTR_GUARD 0xFAFA
641 #define NVM_WORD_SIZE_BASE_SHIFT 6
643 /* NVM Commands - Microwire */
645 /* NVM Commands - SPI */
646 #define NVM_MAX_RETRY_SPI 5000 /* Max wait of 5ms, for RDY signal */
647 #define NVM_WRITE_OPCODE_SPI 0x02 /* NVM write opcode */
648 #define NVM_READ_OPCODE_SPI 0x03 /* NVM read opcode */
649 #define NVM_A8_OPCODE_SPI 0x08 /* opcode bit-3 = address bit-8 */
650 #define NVM_WREN_OPCODE_SPI 0x06 /* NVM set Write Enable latch */
651 #define NVM_RDSR_OPCODE_SPI 0x05 /* NVM read Status register */
653 /* SPI NVM Status Register */
654 #define NVM_STATUS_RDY_SPI 0x01
656 /* Word definitions for ID LED Settings */
657 #define ID_LED_RESERVED_0000 0x0000
658 #define ID_LED_RESERVED_FFFF 0xFFFF
659 #define ID_LED_DEFAULT ((ID_LED_OFF1_ON2 << 12) | \
660 (ID_LED_OFF1_OFF2 << 8) | \
661 (ID_LED_DEF1_DEF2 << 4) | \
663 #define ID_LED_DEF1_DEF2 0x1
664 #define ID_LED_DEF1_ON2 0x2
665 #define ID_LED_DEF1_OFF2 0x3
666 #define ID_LED_ON1_DEF2 0x4
667 #define ID_LED_ON1_ON2 0x5
668 #define ID_LED_ON1_OFF2 0x6
669 #define ID_LED_OFF1_DEF2 0x7
670 #define ID_LED_OFF1_ON2 0x8
671 #define ID_LED_OFF1_OFF2 0x9
673 #define IGP_ACTIVITY_LED_MASK 0xFFFFF0FF
674 #define IGP_ACTIVITY_LED_ENABLE 0x0300
675 #define IGP_LED3_MODE 0x07000000
677 /* PCI/PCI-X/PCI-EX Config space */
678 #define PCIE_DEVICE_CONTROL2 0x28
679 #define PCIE_DEVICE_CONTROL2_16ms 0x0005
681 #define PHY_REVISION_MASK 0xFFFFFFF0
682 #define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */
683 #define MAX_PHY_MULTI_PAGE_REG 0xF
685 /* Bit definitions for valid PHY IDs. */
690 #define M88E1111_I_PHY_ID 0x01410CC0
691 #define M88E1112_E_PHY_ID 0x01410C90
692 #define I347AT4_E_PHY_ID 0x01410DC0
693 #define IGP03E1000_E_PHY_ID 0x02A80390
694 #define I82580_I_PHY_ID 0x015403A0
695 #define I350_I_PHY_ID 0x015403B0
696 #define M88_VENDOR 0x0141
698 /* M88E1000 Specific Registers */
699 #define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */
700 #define M88E1000_PHY_SPEC_STATUS 0x11 /* PHY Specific Status Register */
701 #define M88E1000_EXT_PHY_SPEC_CTRL 0x14 /* Extended PHY Specific Control */
703 #define M88E1000_PHY_PAGE_SELECT 0x1D /* Reg 29 for page number setting */
704 #define M88E1000_PHY_GEN_CONTROL 0x1E /* Its meaning depends on reg 29 */
706 /* M88E1000 PHY Specific Control Register */
707 #define M88E1000_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */
708 /* 1=CLK125 low, 0=CLK125 toggling */
709 #define M88E1000_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */
710 /* Manual MDI configuration */
711 #define M88E1000_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */
712 /* 1000BASE-T: Auto crossover, 100BASE-TX/10BASE-T: MDI Mode */
713 #define M88E1000_PSCR_AUTO_X_1000T 0x0040
714 /* Auto crossover enabled all speeds */
715 #define M88E1000_PSCR_AUTO_X_MODE 0x0060
717 * 1=Enable Extended 10BASE-T distance (Lower 10BASE-T Rx Threshold
718 * 0=Normal 10BASE-T Rx Threshold
720 /* 1=5-bit interface in 100BASE-TX, 0=MII interface in 100BASE-TX */
721 #define M88E1000_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
723 /* M88E1000 PHY Specific Status Register */
724 #define M88E1000_PSSR_REV_POLARITY 0x0002 /* 1=Polarity reversed */
725 #define M88E1000_PSSR_DOWNSHIFT 0x0020 /* 1=Downshifted */
726 #define M88E1000_PSSR_MDIX 0x0040 /* 1=MDIX; 0=MDI */
734 #define M88E1000_PSSR_CABLE_LENGTH 0x0380
735 #define M88E1000_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */
736 #define M88E1000_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
738 #define M88E1000_PSSR_CABLE_LENGTH_SHIFT 7
740 /* M88E1000 Extended PHY Specific Control Register */
742 * 1 = Lost lock detect enabled.
743 * Will assert lost lock and bring
744 * link down if idle not seen
745 * within 1ms in 1000BASE-T
748 * Number of times we will attempt to autonegotiate before downshifting if we
751 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00
752 #define M88E1000_EPSCR_MASTER_DOWNSHIFT_1X 0x0000
754 * Number of times we will attempt to autonegotiate before downshifting if we
757 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK 0x0300
758 #define M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X 0x0100
759 #define M88E1000_EPSCR_TX_CLK_25 0x0070 /* 25 MHz TX_CLK */
761 /* Intel i347-AT4 Registers */
763 #define I347AT4_PCDL 0x10 /* PHY Cable Diagnostics Length */
764 #define I347AT4_PCDC 0x15 /* PHY Cable Diagnostics Control */
765 #define I347AT4_PAGE_SELECT 0x16
767 /* i347-AT4 Extended PHY Specific Control Register */
770 * Number of times we will attempt to autonegotiate before downshifting if we
773 #define I347AT4_PSCR_DOWNSHIFT_ENABLE 0x0800
774 #define I347AT4_PSCR_DOWNSHIFT_MASK 0x7000
775 #define I347AT4_PSCR_DOWNSHIFT_1X 0x0000
776 #define I347AT4_PSCR_DOWNSHIFT_2X 0x1000
777 #define I347AT4_PSCR_DOWNSHIFT_3X 0x2000
778 #define I347AT4_PSCR_DOWNSHIFT_4X 0x3000
779 #define I347AT4_PSCR_DOWNSHIFT_5X 0x4000
780 #define I347AT4_PSCR_DOWNSHIFT_6X 0x5000
781 #define I347AT4_PSCR_DOWNSHIFT_7X 0x6000
782 #define I347AT4_PSCR_DOWNSHIFT_8X 0x7000
784 /* i347-AT4 PHY Cable Diagnostics Control */
785 #define I347AT4_PCDC_CABLE_LENGTH_UNIT 0x0400 /* 0=cm 1=meters */
787 /* Marvell 1112 only registers */
788 #define M88E1112_VCT_DSP_DISTANCE 0x001A
790 /* M88EC018 Rev 2 specific DownShift settings */
791 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK 0x0E00
792 #define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X 0x0800
795 #define E1000_MDIC_DATA_MASK 0x0000FFFF
796 #define E1000_MDIC_REG_MASK 0x001F0000
797 #define E1000_MDIC_REG_SHIFT 16
798 #define E1000_MDIC_PHY_MASK 0x03E00000
799 #define E1000_MDIC_PHY_SHIFT 21
800 #define E1000_MDIC_OP_WRITE 0x04000000
801 #define E1000_MDIC_OP_READ 0x08000000
802 #define E1000_MDIC_READY 0x10000000
803 #define E1000_MDIC_INT_EN 0x20000000
804 #define E1000_MDIC_ERROR 0x40000000
805 #define E1000_MDIC_DEST 0x80000000
808 #define E1000_THSTAT_PWR_DOWN 0x00000001 /* Power Down Event */
809 #define E1000_THSTAT_LINK_THROTTLE 0x00000002 /* Link Speed Throttle Event */
811 /* Energy Efficient Ethernet */
812 #define E1000_IPCNFG_EEE_1G_AN 0x00000008 /* EEE Enable 1G AN */
813 #define E1000_IPCNFG_EEE_100M_AN 0x00000004 /* EEE Enable 100M AN */
814 #define E1000_EEER_TX_LPI_EN 0x00010000 /* EEE Tx LPI Enable */
815 #define E1000_EEER_RX_LPI_EN 0x00020000 /* EEE Rx LPI Enable */
816 #define E1000_EEER_LPI_FC 0x00040000 /* EEE Enable on FC */
819 #define E1000_GEN_CTL_READY 0x80000000
820 #define E1000_GEN_CTL_ADDRESS_SHIFT 8
821 #define E1000_GEN_POLL_TIMEOUT 640
823 #define E1000_VFTA_ENTRY_SHIFT 5
824 #define E1000_VFTA_ENTRY_MASK 0x7F
825 #define E1000_VFTA_ENTRY_BIT_SHIFT_MASK 0x1F
827 /* DMA Coalescing register fields */
828 #define E1000_PCIEMISC_LX_DECISION 0x00000080 /* Lx power decision based
831 /* Tx Rate-Scheduler Config fields */
832 #define E1000_RTTBCNRC_RS_ENA 0x80000000
833 #define E1000_RTTBCNRC_RF_DEC_MASK 0x00003FFF
834 #define E1000_RTTBCNRC_RF_INT_SHIFT 14
835 #define E1000_RTTBCNRC_RF_INT_MASK \
836 (E1000_RTTBCNRC_RF_DEC_MASK << E1000_RTTBCNRC_RF_INT_SHIFT)
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