4 * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04
5 * IDE driver for Linux.
7 * Copyright (c) 2000-2002 Vojtech Pavlik
8 * Copyright (c) 2007 Bartlomiej Zolnierkiewicz
10 * Based on the work of:
15 * This program is free software; you can redistribute it and/or modify it
16 * under the terms of the GNU General Public License version 2 as published by
17 * the Free Software Foundation.
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/ioport.h>
23 #include <linux/blkdev.h>
24 #include <linux/pci.h>
25 #include <linux/init.h>
26 #include <linux/ide.h>
29 #include "ide-timing.h"
31 #define DISPLAY_AMD_TIMINGS
33 #define AMD_IDE_ENABLE (0x00 + amd_config->base)
34 #define AMD_IDE_CONFIG (0x01 + amd_config->base)
35 #define AMD_CABLE_DETECT (0x02 + amd_config->base)
36 #define AMD_DRIVE_TIMING (0x08 + amd_config->base)
37 #define AMD_8BIT_TIMING (0x0e + amd_config->base)
38 #define AMD_ADDRESS_SETUP (0x0c + amd_config->base)
39 #define AMD_UDMA_TIMING (0x10 + amd_config->base)
41 #define AMD_CHECK_SWDMA 0x08
42 #define AMD_BAD_SWDMA 0x10
43 #define AMD_BAD_FIFO 0x20
44 #define AMD_CHECK_SERENADE 0x40
47 * AMD SouthBridge chips.
50 static struct amd_ide_chip {
56 { PCI_DEVICE_ID_AMD_COBRA_7401, 0x40, ATA_UDMA2, AMD_BAD_SWDMA },
57 { PCI_DEVICE_ID_AMD_VIPER_7409, 0x40, ATA_UDMA4, AMD_CHECK_SWDMA },
58 { PCI_DEVICE_ID_AMD_VIPER_7411, 0x40, ATA_UDMA5, AMD_BAD_FIFO },
59 { PCI_DEVICE_ID_AMD_OPUS_7441, 0x40, ATA_UDMA5, },
60 { PCI_DEVICE_ID_AMD_8111_IDE, 0x40, ATA_UDMA6, AMD_CHECK_SERENADE },
61 { PCI_DEVICE_ID_NVIDIA_NFORCE_IDE, 0x50, ATA_UDMA5, },
62 { PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE, 0x50, ATA_UDMA6, },
63 { PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE, 0x50, ATA_UDMA6, },
64 { PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA, 0x50, ATA_UDMA6, },
65 { PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE, 0x50, ATA_UDMA6, },
66 { PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE, 0x50, ATA_UDMA6, },
67 { PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA, 0x50, ATA_UDMA6, },
68 { PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2, 0x50, ATA_UDMA6, },
69 { PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE, 0x50, ATA_UDMA6, },
70 { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE, 0x50, ATA_UDMA6, },
71 { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE, 0x50, ATA_UDMA6, },
72 { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE, 0x50, ATA_UDMA6, },
73 { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE, 0x50, ATA_UDMA6, },
74 { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE, 0x50, ATA_UDMA6, },
75 { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE, 0x50, ATA_UDMA6, },
76 { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE, 0x50, ATA_UDMA6, },
77 { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE, 0x50, ATA_UDMA6, },
78 { PCI_DEVICE_ID_AMD_CS5536_IDE, 0x40, ATA_UDMA5, },
82 static struct amd_ide_chip *amd_config;
83 static ide_pci_device_t *amd_chipset;
84 static unsigned int amd_80w;
85 static unsigned int amd_clock;
87 static char *amd_dma[] = { "16", "25", "33", "44", "66", "100", "133" };
88 static unsigned char amd_cyc2udma[] = { 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7 };
94 #ifdef CONFIG_IDE_PROC_FS
96 #include <linux/stat.h>
97 #include <linux/proc_fs.h>
99 static u8 amd74xx_proc;
101 static unsigned char amd_udma2cyc[] = { 4, 6, 8, 10, 3, 2, 1, 15 };
102 static unsigned long amd_base;
103 static struct pci_dev *bmide_dev;
104 extern int (*amd74xx_display_info)(char *, char **, off_t, int); /* ide-proc.c */
106 #define amd_print(format, arg...) p += sprintf(p, format "\n" , ## arg)
107 #define amd_print_drive(name, format, arg...)\
108 p += sprintf(p, name); for (i = 0; i < 4; i++) p += sprintf(p, format, ## arg); p += sprintf(p, "\n");
110 static int amd74xx_get_info(char *buffer, char **addr, off_t offset, int count)
112 int speed[4], cycle[4], setup[4], active[4], recover[4], den[4],
113 uen[4], udma[4], active8b[4], recover8b[4];
114 struct pci_dev *dev = bmide_dev;
115 unsigned int v, u, i;
121 amd_print("----------AMD BusMastering IDE Configuration----------------");
123 amd_print("Driver Version: 2.13");
124 amd_print("South Bridge: %s", pci_name(bmide_dev));
126 amd_print("Revision: IDE %#x", dev->revision);
127 amd_print("Highest DMA rate: UDMA%s", amd_dma[fls(amd_config->udma_mask) - 1]);
129 amd_print("BM-DMA base: %#lx", amd_base);
130 amd_print("PCI clock: %d.%dMHz", amd_clock / 1000, amd_clock / 100 % 10);
132 amd_print("-----------------------Primary IDE-------Secondary IDE------");
134 pci_read_config_byte(dev, AMD_IDE_CONFIG, &t);
135 amd_print("Prefetch Buffer: %10s%20s", (t & 0x80) ? "yes" : "no", (t & 0x20) ? "yes" : "no");
136 amd_print("Post Write Buffer: %10s%20s", (t & 0x40) ? "yes" : "no", (t & 0x10) ? "yes" : "no");
138 pci_read_config_byte(dev, AMD_IDE_ENABLE, &t);
139 amd_print("Enabled: %10s%20s", (t & 0x02) ? "yes" : "no", (t & 0x01) ? "yes" : "no");
141 c = inb(amd_base + 0x02) | (inb(amd_base + 0x0a) << 8);
142 amd_print("Simplex only: %10s%20s", (c & 0x80) ? "yes" : "no", (c & 0x8000) ? "yes" : "no");
144 amd_print("Cable Type: %10s%20s", (amd_80w & 1) ? "80w" : "40w", (amd_80w & 2) ? "80w" : "40w");
149 amd_print("-------------------drive0----drive1----drive2----drive3-----");
151 pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t);
152 pci_read_config_dword(dev, AMD_DRIVE_TIMING, &v);
153 pci_read_config_word(dev, AMD_8BIT_TIMING, &w);
154 pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
156 for (i = 0; i < 4; i++) {
157 setup[i] = ((t >> ((3 - i) << 1)) & 0x3) + 1;
158 recover8b[i] = ((w >> ((1 - (i >> 1)) << 3)) & 0xf) + 1;
159 active8b[i] = ((w >> (((1 - (i >> 1)) << 3) + 4)) & 0xf) + 1;
160 active[i] = ((v >> (((3 - i) << 3) + 4)) & 0xf) + 1;
161 recover[i] = ((v >> ((3 - i) << 3)) & 0xf) + 1;
163 udma[i] = amd_udma2cyc[((u >> ((3 - i) << 3)) & 0x7)];
164 uen[i] = ((u >> ((3 - i) << 3)) & 0x40) ? 1 : 0;
165 den[i] = (c & ((i & 1) ? 0x40 : 0x20) << ((i & 2) << 2));
167 if (den[i] && uen[i] && udma[i] == 1) {
168 speed[i] = amd_clock * 3;
169 cycle[i] = 666666 / amd_clock;
173 if (den[i] && uen[i] && udma[i] == 15) {
174 speed[i] = amd_clock * 4;
175 cycle[i] = 500000 / amd_clock;
179 speed[i] = 4 * amd_clock / ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2);
180 cycle[i] = 1000000 * ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2) / amd_clock / 2;
183 amd_print_drive("Transfer Mode: ", "%10s", den[i] ? (uen[i] ? "UDMA" : "DMA") : "PIO");
185 amd_print_drive("Address Setup: ", "%8dns", 1000000 * setup[i] / amd_clock);
186 amd_print_drive("Cmd Active: ", "%8dns", 1000000 * active8b[i] / amd_clock);
187 amd_print_drive("Cmd Recovery: ", "%8dns", 1000000 * recover8b[i] / amd_clock);
188 amd_print_drive("Data Active: ", "%8dns", 1000000 * active[i] / amd_clock);
189 amd_print_drive("Data Recovery: ", "%8dns", 1000000 * recover[i] / amd_clock);
190 amd_print_drive("Cycle Time: ", "%8dns", cycle[i]);
191 amd_print_drive("Transfer Rate: ", "%4d.%dMB/s", speed[i] / 1000, speed[i] / 100 % 10);
193 /* hoping p - buffer is less than 4K... */
194 len = (p - buffer) - offset;
195 *addr = buffer + offset;
197 return len > count ? count : len;
203 * amd_set_speed() writes timing values to the chipset registers
206 static void amd_set_speed(struct pci_dev *dev, unsigned char dn, struct ide_timing *timing)
210 pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t);
211 t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1));
212 pci_write_config_byte(dev, AMD_ADDRESS_SETUP, t);
214 pci_write_config_byte(dev, AMD_8BIT_TIMING + (1 - (dn >> 1)),
215 ((FIT(timing->act8b, 1, 16) - 1) << 4) | (FIT(timing->rec8b, 1, 16) - 1));
217 pci_write_config_byte(dev, AMD_DRIVE_TIMING + (3 - dn),
218 ((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1));
220 switch (amd_config->udma_mask) {
221 case ATA_UDMA2: t = timing->udma ? (0xc0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break;
222 case ATA_UDMA4: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 2, 10)]) : 0x03; break;
223 case ATA_UDMA5: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 10)]) : 0x03; break;
224 case ATA_UDMA6: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 15)]) : 0x03; break;
228 pci_write_config_byte(dev, AMD_UDMA_TIMING + (3 - dn), t);
232 * amd_set_drive() computes timing values and configures the chipset
233 * to a desired transfer mode. It also can be called by upper layers.
236 static void amd_set_drive(ide_drive_t *drive, const u8 speed)
238 ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1);
239 struct ide_timing t, p;
242 T = 1000000000 / amd_clock;
243 UT = (amd_config->udma_mask == ATA_UDMA2) ? T : (T / 2);
245 ide_timing_compute(drive, speed, &t, T, UT);
248 ide_timing_compute(peer, peer->current_speed, &p, T, UT);
249 ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
252 if (speed == XFER_UDMA_5 && amd_clock <= 33333) t.udma = 1;
253 if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15;
255 amd_set_speed(HWIF(drive)->pci_dev, drive->dn, &t);
259 * amd_set_pio_mode() is a callback from upper layers for PIO-only tuning.
262 static void amd_set_pio_mode(ide_drive_t *drive, const u8 pio)
264 amd_set_drive(drive, XFER_PIO_0 + pio);
268 * The initialization callback. Here we determine the IDE chip type
269 * and initialize its drive independent registers.
272 static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const char *name)
279 * Check for bad SWDMA.
282 if (amd_config->flags & AMD_CHECK_SWDMA) {
283 if (dev->revision <= 7)
284 amd_config->flags |= AMD_BAD_SWDMA;
288 * Check 80-wire cable presence.
291 switch (amd_config->udma_mask) {
295 pci_read_config_byte(dev, AMD_CABLE_DETECT, &t);
296 pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
297 amd_80w = ((t & 0x3) ? 1 : 0) | ((t & 0xc) ? 2 : 0);
298 for (i = 24; i >= 0; i -= 8)
299 if (((u >> i) & 4) && !(amd_80w & (1 << (1 - (i >> 4))))) {
300 printk(KERN_WARNING "%s: BIOS didn't set cable bits correctly. Enabling workaround.\n",
302 amd_80w |= (1 << (1 - (i >> 4)));
307 /* no host side cable detection */
313 * Take care of prefetch & postwrite.
316 pci_read_config_byte(dev, AMD_IDE_CONFIG, &t);
317 pci_write_config_byte(dev, AMD_IDE_CONFIG,
318 (amd_config->flags & AMD_BAD_FIFO) ? (t & 0x0f) : (t | 0xf0));
321 * Take care of incorrectly wired Serenade mainboards.
324 if ((amd_config->flags & AMD_CHECK_SERENADE) &&
325 dev->subsystem_vendor == PCI_VENDOR_ID_AMD &&
326 dev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)
327 amd_config->udma_mask = ATA_UDMA5;
330 * Determine the system bus clock.
333 amd_clock = system_bus_clock() * 1000;
336 case 33000: amd_clock = 33333; break;
337 case 37000: amd_clock = 37500; break;
338 case 41000: amd_clock = 41666; break;
341 if (amd_clock < 20000 || amd_clock > 50000) {
342 printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n",
343 amd_chipset->name, amd_clock);
348 * Print the boot message.
351 pci_read_config_byte(dev, PCI_REVISION_ID, &t);
352 printk(KERN_INFO "%s: %s (rev %02x) UDMA%s controller\n",
353 amd_chipset->name, pci_name(dev), dev->revision,
354 amd_dma[fls(amd_config->udma_mask) - 1]);
357 * Register /proc/ide/amd74xx entry
360 #if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
362 amd_base = pci_resource_start(dev, 4);
364 ide_pci_create_host_proc("amd74xx", amd74xx_get_info);
367 #endif /* DISPLAY_AMD_TIMINGS && CONFIG_IDE_PROC_FS */
372 static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
376 if (hwif->irq == 0) /* 0 is bogus but will do for now */
377 hwif->irq = pci_get_legacy_ide_irq(hwif->pci_dev, hwif->channel);
379 hwif->set_pio_mode = &amd_set_pio_mode;
380 hwif->set_dma_mode = &amd_set_drive;
382 for (i = 0; i < 2; i++) {
383 hwif->drives[i].io_32bit = 1;
384 hwif->drives[i].unmask = 1;
385 hwif->drives[i].autotune = 1;
386 hwif->drives[i].dn = hwif->channel * 2 + i;
394 hwif->ultra_mask = amd_config->udma_mask;
395 hwif->mwdma_mask = 0x07;
396 if ((amd_config->flags & AMD_BAD_SWDMA) == 0)
397 hwif->swdma_mask = 0x07;
399 if (hwif->cbl != ATA_CBL_PATA40_SHORT) {
400 if ((amd_80w >> hwif->channel) & 1)
401 hwif->cbl = ATA_CBL_PATA80;
403 hwif->cbl = ATA_CBL_PATA40;
407 #define DECLARE_AMD_DEV(name_str) \
410 .init_chipset = init_chipset_amd74xx, \
411 .init_hwif = init_hwif_amd74xx, \
412 .autodma = AUTODMA, \
413 .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, \
414 .bootable = ON_BOARD, \
415 .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST \
416 | IDE_HFLAG_PIO_NO_DOWNGRADE \
417 | IDE_HFLAG_POST_SET_MODE, \
418 .pio_mask = ATA_PIO5, \
421 #define DECLARE_NV_DEV(name_str) \
424 .init_chipset = init_chipset_amd74xx, \
425 .init_hwif = init_hwif_amd74xx, \
426 .autodma = AUTODMA, \
427 .enablebits = {{0x50,0x02,0x02}, {0x50,0x01,0x01}}, \
428 .bootable = ON_BOARD, \
429 .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST \
430 | IDE_HFLAG_PIO_NO_DOWNGRADE \
431 | IDE_HFLAG_POST_SET_MODE, \
432 .pio_mask = ATA_PIO5, \
435 static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
436 /* 0 */ DECLARE_AMD_DEV("AMD7401"),
437 /* 1 */ DECLARE_AMD_DEV("AMD7409"),
438 /* 2 */ DECLARE_AMD_DEV("AMD7411"),
439 /* 3 */ DECLARE_AMD_DEV("AMD7441"),
440 /* 4 */ DECLARE_AMD_DEV("AMD8111"),
442 /* 5 */ DECLARE_NV_DEV("NFORCE"),
443 /* 6 */ DECLARE_NV_DEV("NFORCE2"),
444 /* 7 */ DECLARE_NV_DEV("NFORCE2-U400R"),
445 /* 8 */ DECLARE_NV_DEV("NFORCE2-U400R-SATA"),
446 /* 9 */ DECLARE_NV_DEV("NFORCE3-150"),
447 /* 10 */ DECLARE_NV_DEV("NFORCE3-250"),
448 /* 11 */ DECLARE_NV_DEV("NFORCE3-250-SATA"),
449 /* 12 */ DECLARE_NV_DEV("NFORCE3-250-SATA2"),
450 /* 13 */ DECLARE_NV_DEV("NFORCE-CK804"),
451 /* 14 */ DECLARE_NV_DEV("NFORCE-MCP04"),
452 /* 15 */ DECLARE_NV_DEV("NFORCE-MCP51"),
453 /* 16 */ DECLARE_NV_DEV("NFORCE-MCP55"),
454 /* 17 */ DECLARE_NV_DEV("NFORCE-MCP61"),
455 /* 18 */ DECLARE_NV_DEV("NFORCE-MCP65"),
456 /* 19 */ DECLARE_NV_DEV("NFORCE-MCP67"),
457 /* 20 */ DECLARE_NV_DEV("NFORCE-MCP73"),
458 /* 21 */ DECLARE_NV_DEV("NFORCE-MCP77"),
459 /* 22 */ DECLARE_AMD_DEV("AMD5536"),
462 static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id)
464 amd_chipset = amd74xx_chipsets + id->driver_data;
465 amd_config = amd_ide_chips + id->driver_data;
466 if (dev->device != amd_config->id) {
467 printk(KERN_ERR "%s: assertion 0x%02x == 0x%02x failed !\n",
468 pci_name(dev), dev->device, amd_config->id);
471 return ide_setup_pci_device(dev, amd_chipset);
474 static const struct pci_device_id amd74xx_pci_tbl[] = {
475 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 },
476 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 },
477 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7411), 2 },
478 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_OPUS_7441), 3 },
479 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 4 },
480 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 5 },
481 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 6 },
482 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 7 },
483 #ifdef CONFIG_BLK_DEV_IDE_SATA
484 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA), 8 },
486 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 9 },
487 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 10 },
488 #ifdef CONFIG_BLK_DEV_IDE_SATA
489 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA), 11 },
490 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2), 12 },
492 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 13 },
493 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 14 },
494 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 15 },
495 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 16 },
496 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 17 },
497 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 18 },
498 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 19 },
499 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 20 },
500 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 21 },
501 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 22 },
504 MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl);
506 static struct pci_driver driver = {
508 .id_table = amd74xx_pci_tbl,
509 .probe = amd74xx_probe,
512 static int __init amd74xx_ide_init(void)
514 return ide_pci_register_driver(&driver);
517 module_init(amd74xx_ide_init);
519 MODULE_AUTHOR("Vojtech Pavlik");
520 MODULE_DESCRIPTION("AMD PCI IDE driver");
521 MODULE_LICENSE("GPL");