| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
| Bartlomiej Zolnierkiewicz | 6a824c9 | 2007-07-20 01:11:58 +0200 | [diff] [blame] | 2 | * Version 2.21 | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * | 
|  | 4 | * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04 | 
|  | 5 | * IDE driver for Linux. | 
|  | 6 | * | 
|  | 7 | * Copyright (c) 2000-2002 Vojtech Pavlik | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 8 | * Copyright (c) 2007 Bartlomiej Zolnierkiewicz | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | * | 
|  | 10 | * Based on the work of: | 
|  | 11 | *      Andre Hedrick | 
|  | 12 | */ | 
|  | 13 |  | 
|  | 14 | /* | 
|  | 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. | 
|  | 18 | */ | 
|  | 19 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> | 
|  | 27 | #include <asm/io.h> | 
|  | 28 |  | 
|  | 29 | #include "ide-timing.h" | 
|  | 30 |  | 
|  | 31 | #define DISPLAY_AMD_TIMINGS | 
|  | 32 |  | 
|  | 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) | 
|  | 40 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #define AMD_CHECK_SWDMA		0x08 | 
|  | 42 | #define AMD_BAD_SWDMA		0x10 | 
|  | 43 | #define AMD_BAD_FIFO		0x20 | 
|  | 44 | #define AMD_CHECK_SERENADE	0x40 | 
|  | 45 |  | 
|  | 46 | /* | 
|  | 47 | * AMD SouthBridge chips. | 
|  | 48 | */ | 
|  | 49 |  | 
|  | 50 | static struct amd_ide_chip { | 
|  | 51 | unsigned short id; | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 52 | u8 base; | 
|  | 53 | u8 udma_mask; | 
|  | 54 | u8 flags; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | } amd_ide_chips[] = { | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 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, }, | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | { 0 } | 
|  | 80 | }; | 
|  | 81 |  | 
|  | 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; | 
|  | 86 |  | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 87 | static char *amd_dma[] = { "16", "25", "33", "44", "66", "100", "133" }; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | static unsigned char amd_cyc2udma[] = { 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7 }; | 
|  | 89 |  | 
|  | 90 | /* | 
|  | 91 | * AMD /proc entry. | 
|  | 92 | */ | 
|  | 93 |  | 
| Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 94 | #ifdef CONFIG_IDE_PROC_FS | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 |  | 
|  | 96 | #include <linux/stat.h> | 
|  | 97 | #include <linux/proc_fs.h> | 
|  | 98 |  | 
|  | 99 | static u8 amd74xx_proc; | 
|  | 100 |  | 
|  | 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 */ | 
|  | 105 |  | 
|  | 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"); | 
|  | 109 |  | 
|  | 110 | static int amd74xx_get_info(char *buffer, char **addr, off_t offset, int count) | 
|  | 111 | { | 
|  | 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; | 
|  | 116 | unsigned short c, w; | 
|  | 117 | unsigned char t; | 
|  | 118 | int len; | 
|  | 119 | char *p = buffer; | 
|  | 120 |  | 
|  | 121 | amd_print("----------AMD BusMastering IDE Configuration----------------"); | 
|  | 122 |  | 
|  | 123 | amd_print("Driver Version:                     2.13"); | 
|  | 124 | amd_print("South Bridge:                       %s", pci_name(bmide_dev)); | 
|  | 125 |  | 
| Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 126 | amd_print("Revision:                           IDE %#x", dev->revision); | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 127 | amd_print("Highest DMA rate:                   UDMA%s", amd_dma[fls(amd_config->udma_mask) - 1]); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 |  | 
|  | 129 | amd_print("BM-DMA base:                        %#lx", amd_base); | 
|  | 130 | amd_print("PCI clock:                          %d.%dMHz", amd_clock / 1000, amd_clock / 100 % 10); | 
|  | 131 |  | 
|  | 132 | amd_print("-----------------------Primary IDE-------Secondary IDE------"); | 
|  | 133 |  | 
|  | 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"); | 
|  | 137 |  | 
|  | 138 | pci_read_config_byte(dev, AMD_IDE_ENABLE, &t); | 
|  | 139 | amd_print("Enabled:               %10s%20s", (t & 0x02) ? "yes" : "no", (t & 0x01) ? "yes" : "no"); | 
|  | 140 |  | 
|  | 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"); | 
|  | 143 |  | 
|  | 144 | amd_print("Cable Type:            %10s%20s", (amd_80w & 1) ? "80w" : "40w", (amd_80w & 2) ? "80w" : "40w"); | 
|  | 145 |  | 
|  | 146 | if (!amd_clock) | 
|  | 147 | return p - buffer; | 
|  | 148 |  | 
|  | 149 | amd_print("-------------------drive0----drive1----drive2----drive3-----"); | 
|  | 150 |  | 
|  | 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); | 
|  | 155 |  | 
|  | 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; | 
|  | 162 |  | 
|  | 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)); | 
|  | 166 |  | 
|  | 167 | if (den[i] && uen[i] && udma[i] == 1) { | 
|  | 168 | speed[i] = amd_clock * 3; | 
|  | 169 | cycle[i] = 666666 / amd_clock; | 
|  | 170 | continue; | 
|  | 171 | } | 
|  | 172 |  | 
|  | 173 | if (den[i] && uen[i] && udma[i] == 15) { | 
|  | 174 | speed[i] = amd_clock * 4; | 
|  | 175 | cycle[i] = 500000 / amd_clock; | 
|  | 176 | continue; | 
|  | 177 | } | 
|  | 178 |  | 
|  | 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; | 
|  | 181 | } | 
|  | 182 |  | 
|  | 183 | amd_print_drive("Transfer Mode: ", "%10s", den[i] ? (uen[i] ? "UDMA" : "DMA") : "PIO"); | 
|  | 184 |  | 
|  | 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); | 
|  | 192 |  | 
|  | 193 | /* hoping p - buffer is less than 4K... */ | 
|  | 194 | len = (p - buffer) - offset; | 
|  | 195 | *addr = buffer + offset; | 
|  | 196 |  | 
|  | 197 | return len > count ? count : len; | 
|  | 198 | } | 
|  | 199 |  | 
|  | 200 | #endif | 
|  | 201 |  | 
|  | 202 | /* | 
|  | 203 | * amd_set_speed() writes timing values to the chipset registers | 
|  | 204 | */ | 
|  | 205 |  | 
|  | 206 | static void amd_set_speed(struct pci_dev *dev, unsigned char dn, struct ide_timing *timing) | 
|  | 207 | { | 
|  | 208 | unsigned char t; | 
|  | 209 |  | 
|  | 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); | 
|  | 213 |  | 
|  | 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)); | 
|  | 216 |  | 
|  | 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)); | 
|  | 219 |  | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 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; | 
|  | 225 | default: return; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | } | 
|  | 227 |  | 
|  | 228 | pci_write_config_byte(dev, AMD_UDMA_TIMING + (3 - dn), t); | 
|  | 229 | } | 
|  | 230 |  | 
|  | 231 | /* | 
|  | 232 | * amd_set_drive() computes timing values configures the drive and | 
|  | 233 | * the chipset to a desired transfer mode. It also can be called | 
|  | 234 | * by upper layers. | 
|  | 235 | */ | 
|  | 236 |  | 
|  | 237 | static int amd_set_drive(ide_drive_t *drive, u8 speed) | 
|  | 238 | { | 
|  | 239 | ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1); | 
|  | 240 | struct ide_timing t, p; | 
|  | 241 | int T, UT; | 
|  | 242 |  | 
| Bartlomiej Zolnierkiewicz | 603a0e2 | 2007-07-03 22:28:35 +0200 | [diff] [blame] | 243 | if (speed != XFER_PIO_SLOW) | 
|  | 244 | ide_config_drive_speed(drive, speed); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 |  | 
|  | 246 | T = 1000000000 / amd_clock; | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 247 | UT = (amd_config->udma_mask == ATA_UDMA2) ? T : (T / 2); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 |  | 
|  | 249 | ide_timing_compute(drive, speed, &t, T, UT); | 
|  | 250 |  | 
|  | 251 | if (peer->present) { | 
|  | 252 | ide_timing_compute(peer, peer->current_speed, &p, T, UT); | 
|  | 253 | ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT); | 
|  | 254 | } | 
|  | 255 |  | 
|  | 256 | if (speed == XFER_UDMA_5 && amd_clock <= 33333) t.udma = 1; | 
|  | 257 | if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15; | 
|  | 258 |  | 
|  | 259 | amd_set_speed(HWIF(drive)->pci_dev, drive->dn, &t); | 
|  | 260 |  | 
|  | 261 | if (!drive->init_speed) | 
|  | 262 | drive->init_speed = speed; | 
|  | 263 | drive->current_speed = speed; | 
|  | 264 |  | 
|  | 265 | return 0; | 
|  | 266 | } | 
|  | 267 |  | 
|  | 268 | /* | 
|  | 269 | * amd74xx_tune_drive() is a callback from upper layers for | 
|  | 270 | * PIO-only tuning. | 
|  | 271 | */ | 
|  | 272 |  | 
|  | 273 | static void amd74xx_tune_drive(ide_drive_t *drive, u8 pio) | 
|  | 274 | { | 
| Bartlomiej Zolnierkiewicz | 6a824c9 | 2007-07-20 01:11:58 +0200 | [diff] [blame] | 275 | if (pio == 255) | 
|  | 276 | pio = ide_get_best_pio_mode(drive, 255, 5); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 |  | 
|  | 278 | amd_set_drive(drive, XFER_PIO_0 + min_t(byte, pio, 5)); | 
|  | 279 | } | 
|  | 280 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | static int amd74xx_ide_dma_check(ide_drive_t *drive) | 
|  | 282 | { | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 283 | u8 speed = ide_max_dma_mode(drive); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 |  | 
| Bartlomiej Zolnierkiewicz | 6a824c9 | 2007-07-20 01:11:58 +0200 | [diff] [blame] | 285 | if (speed == 0) { | 
|  | 286 | amd74xx_tune_drive(drive, 255); | 
|  | 287 | return -1; | 
|  | 288 | } | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 |  | 
|  | 290 | amd_set_drive(drive, speed); | 
|  | 291 |  | 
| Bartlomiej Zolnierkiewicz | 6a824c9 | 2007-07-20 01:11:58 +0200 | [diff] [blame] | 292 | if (drive->autodma) | 
| Bartlomiej Zolnierkiewicz | 3608b5d | 2007-02-17 02:40:26 +0100 | [diff] [blame] | 293 | return 0; | 
|  | 294 |  | 
|  | 295 | return -1; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | } | 
|  | 297 |  | 
|  | 298 | /* | 
|  | 299 | * The initialization callback. Here we determine the IDE chip type | 
|  | 300 | * and initialize its drive independent registers. | 
|  | 301 | */ | 
|  | 302 |  | 
| Herbert Xu | e895f92 | 2005-07-03 16:15:41 +0200 | [diff] [blame] | 303 | static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const char *name) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | { | 
|  | 305 | unsigned char t; | 
|  | 306 | unsigned int u; | 
|  | 307 | int i; | 
|  | 308 |  | 
|  | 309 | /* | 
|  | 310 | * Check for bad SWDMA. | 
|  | 311 | */ | 
|  | 312 |  | 
|  | 313 | if (amd_config->flags & AMD_CHECK_SWDMA) { | 
| Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 314 | if (dev->revision <= 7) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | amd_config->flags |= AMD_BAD_SWDMA; | 
|  | 316 | } | 
|  | 317 |  | 
|  | 318 | /* | 
|  | 319 | * Check 80-wire cable presence. | 
|  | 320 | */ | 
|  | 321 |  | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 322 | switch (amd_config->udma_mask) { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 |  | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 324 | case ATA_UDMA6: | 
|  | 325 | case ATA_UDMA5: | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | pci_read_config_byte(dev, AMD_CABLE_DETECT, &t); | 
|  | 327 | pci_read_config_dword(dev, AMD_UDMA_TIMING, &u); | 
|  | 328 | amd_80w = ((t & 0x3) ? 1 : 0) | ((t & 0xc) ? 2 : 0); | 
|  | 329 | for (i = 24; i >= 0; i -= 8) | 
|  | 330 | if (((u >> i) & 4) && !(amd_80w & (1 << (1 - (i >> 4))))) { | 
|  | 331 | printk(KERN_WARNING "%s: BIOS didn't set cable bits correctly. Enabling workaround.\n", | 
|  | 332 | amd_chipset->name); | 
|  | 333 | amd_80w |= (1 << (1 - (i >> 4))); | 
|  | 334 | } | 
|  | 335 | break; | 
|  | 336 |  | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 337 | case ATA_UDMA4: | 
| Rene Herman | 9edc91d | 2006-03-28 01:56:30 -0800 | [diff] [blame] | 338 | /* no host side cable detection */ | 
|  | 339 | amd_80w = 0x03; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | break; | 
|  | 341 | } | 
|  | 342 |  | 
|  | 343 | /* | 
|  | 344 | * Take care of prefetch & postwrite. | 
|  | 345 | */ | 
|  | 346 |  | 
|  | 347 | pci_read_config_byte(dev, AMD_IDE_CONFIG, &t); | 
|  | 348 | pci_write_config_byte(dev, AMD_IDE_CONFIG, | 
|  | 349 | (amd_config->flags & AMD_BAD_FIFO) ? (t & 0x0f) : (t | 0xf0)); | 
|  | 350 |  | 
|  | 351 | /* | 
|  | 352 | * Take care of incorrectly wired Serenade mainboards. | 
|  | 353 | */ | 
|  | 354 |  | 
|  | 355 | if ((amd_config->flags & AMD_CHECK_SERENADE) && | 
|  | 356 | dev->subsystem_vendor == PCI_VENDOR_ID_AMD && | 
|  | 357 | dev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 358 | amd_config->udma_mask = ATA_UDMA5; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 |  | 
|  | 360 | /* | 
|  | 361 | * Determine the system bus clock. | 
|  | 362 | */ | 
|  | 363 |  | 
|  | 364 | amd_clock = system_bus_clock() * 1000; | 
|  | 365 |  | 
|  | 366 | switch (amd_clock) { | 
|  | 367 | case 33000: amd_clock = 33333; break; | 
|  | 368 | case 37000: amd_clock = 37500; break; | 
|  | 369 | case 41000: amd_clock = 41666; break; | 
|  | 370 | } | 
|  | 371 |  | 
|  | 372 | if (amd_clock < 20000 || amd_clock > 50000) { | 
|  | 373 | printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n", | 
|  | 374 | amd_chipset->name, amd_clock); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | amd_clock = 33333; | 
|  | 376 | } | 
|  | 377 |  | 
|  | 378 | /* | 
|  | 379 | * Print the boot message. | 
|  | 380 | */ | 
|  | 381 |  | 
|  | 382 | pci_read_config_byte(dev, PCI_REVISION_ID, &t); | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 383 | printk(KERN_INFO "%s: %s (rev %02x) UDMA%s controller\n", | 
| Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 384 | amd_chipset->name, pci_name(dev), dev->revision, | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 385 | amd_dma[fls(amd_config->udma_mask) - 1]); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 |  | 
|  | 387 | /* | 
|  | 388 | * Register /proc/ide/amd74xx entry | 
|  | 389 | */ | 
|  | 390 |  | 
| Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 391 | #if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_IDE_PROC_FS) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | if (!amd74xx_proc) { | 
|  | 393 | amd_base = pci_resource_start(dev, 4); | 
|  | 394 | bmide_dev = dev; | 
|  | 395 | ide_pci_create_host_proc("amd74xx", amd74xx_get_info); | 
|  | 396 | amd74xx_proc = 1; | 
|  | 397 | } | 
| Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 398 | #endif /* DISPLAY_AMD_TIMINGS && CONFIG_IDE_PROC_FS */ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 |  | 
|  | 400 | return dev->irq; | 
|  | 401 | } | 
|  | 402 |  | 
| Herbert Xu | e895f92 | 2005-07-03 16:15:41 +0200 | [diff] [blame] | 403 | static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | { | 
|  | 405 | int i; | 
|  | 406 |  | 
|  | 407 | if (hwif->irq == 0) /* 0 is bogus but will do for now */ | 
|  | 408 | hwif->irq = pci_get_legacy_ide_irq(hwif->pci_dev, hwif->channel); | 
|  | 409 |  | 
|  | 410 | hwif->autodma = 0; | 
|  | 411 |  | 
|  | 412 | hwif->tuneproc = &amd74xx_tune_drive; | 
|  | 413 | hwif->speedproc = &amd_set_drive; | 
|  | 414 |  | 
|  | 415 | for (i = 0; i < 2; i++) { | 
|  | 416 | hwif->drives[i].io_32bit = 1; | 
|  | 417 | hwif->drives[i].unmask = 1; | 
|  | 418 | hwif->drives[i].autotune = 1; | 
|  | 419 | hwif->drives[i].dn = hwif->channel * 2 + i; | 
|  | 420 | } | 
|  | 421 |  | 
|  | 422 | if (!hwif->dma_base) | 
|  | 423 | return; | 
|  | 424 |  | 
|  | 425 | hwif->atapi_dma = 1; | 
| Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame] | 426 |  | 
|  | 427 | hwif->ultra_mask = amd_config->udma_mask; | 
|  | 428 | hwif->mwdma_mask = 0x07; | 
|  | 429 | if ((amd_config->flags & AMD_BAD_SWDMA) == 0) | 
|  | 430 | hwif->swdma_mask = 0x07; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 |  | 
| Bartlomiej Zolnierkiewicz | 49521f9 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 432 | if (hwif->cbl != ATA_CBL_PATA40_SHORT) { | 
|  | 433 | if ((amd_80w >> hwif->channel) & 1) | 
|  | 434 | hwif->cbl = ATA_CBL_PATA80; | 
|  | 435 | else | 
|  | 436 | hwif->cbl = ATA_CBL_PATA40; | 
|  | 437 | } | 
|  | 438 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | hwif->ide_dma_check = &amd74xx_ide_dma_check; | 
|  | 440 | if (!noautodma) | 
|  | 441 | hwif->autodma = 1; | 
|  | 442 | hwif->drives[0].autodma = hwif->autodma; | 
|  | 443 | hwif->drives[1].autodma = hwif->autodma; | 
|  | 444 | } | 
|  | 445 |  | 
|  | 446 | #define DECLARE_AMD_DEV(name_str)					\ | 
|  | 447 | {								\ | 
|  | 448 | .name		= name_str,				\ | 
|  | 449 | .init_chipset	= init_chipset_amd74xx,			\ | 
|  | 450 | .init_hwif	= init_hwif_amd74xx,			\ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | .autodma	= AUTODMA,				\ | 
|  | 452 | .enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},	\ | 
|  | 453 | .bootable	= ON_BOARD,				\ | 
| Bartlomiej Zolnierkiewicz | 6a824c9 | 2007-07-20 01:11:58 +0200 | [diff] [blame] | 454 | .host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST		\ | 
|  | 455 | | IDE_HFLAG_PIO_NO_DOWNGRADE,		\ | 
| Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 456 | .pio_mask	= ATA_PIO5,				\ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | } | 
|  | 458 |  | 
|  | 459 | #define DECLARE_NV_DEV(name_str)					\ | 
|  | 460 | {								\ | 
|  | 461 | .name		= name_str,				\ | 
|  | 462 | .init_chipset	= init_chipset_amd74xx,			\ | 
|  | 463 | .init_hwif	= init_hwif_amd74xx,			\ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | .autodma	= AUTODMA,				\ | 
|  | 465 | .enablebits	= {{0x50,0x02,0x02}, {0x50,0x01,0x01}},	\ | 
|  | 466 | .bootable	= ON_BOARD,				\ | 
| Bartlomiej Zolnierkiewicz | 6a824c9 | 2007-07-20 01:11:58 +0200 | [diff] [blame] | 467 | .host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST		\ | 
|  | 468 | | IDE_HFLAG_PIO_NO_DOWNGRADE,		\ | 
| Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 469 | .pio_mask	= ATA_PIO5,				\ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | } | 
|  | 471 |  | 
|  | 472 | static ide_pci_device_t amd74xx_chipsets[] __devinitdata = { | 
|  | 473 | /*  0 */ DECLARE_AMD_DEV("AMD7401"), | 
|  | 474 | /*  1 */ DECLARE_AMD_DEV("AMD7409"), | 
|  | 475 | /*  2 */ DECLARE_AMD_DEV("AMD7411"), | 
|  | 476 | /*  3 */ DECLARE_AMD_DEV("AMD7441"), | 
|  | 477 | /*  4 */ DECLARE_AMD_DEV("AMD8111"), | 
|  | 478 |  | 
|  | 479 | /*  5 */ DECLARE_NV_DEV("NFORCE"), | 
|  | 480 | /*  6 */ DECLARE_NV_DEV("NFORCE2"), | 
|  | 481 | /*  7 */ DECLARE_NV_DEV("NFORCE2-U400R"), | 
|  | 482 | /*  8 */ DECLARE_NV_DEV("NFORCE2-U400R-SATA"), | 
|  | 483 | /*  9 */ DECLARE_NV_DEV("NFORCE3-150"), | 
|  | 484 | /* 10 */ DECLARE_NV_DEV("NFORCE3-250"), | 
|  | 485 | /* 11 */ DECLARE_NV_DEV("NFORCE3-250-SATA"), | 
|  | 486 | /* 12 */ DECLARE_NV_DEV("NFORCE3-250-SATA2"), | 
|  | 487 | /* 13 */ DECLARE_NV_DEV("NFORCE-CK804"), | 
|  | 488 | /* 14 */ DECLARE_NV_DEV("NFORCE-MCP04"), | 
| Andy Currid | af00f98 | 2005-05-23 08:55:45 -0700 | [diff] [blame] | 489 | /* 15 */ DECLARE_NV_DEV("NFORCE-MCP51"), | 
| Rob Punkunus | 21e2c01 | 2005-07-03 17:37:18 +0200 | [diff] [blame] | 490 | /* 16 */ DECLARE_NV_DEV("NFORCE-MCP55"), | 
| Andrew Chew | 4c5c816 | 2006-04-20 15:54:26 -0700 | [diff] [blame] | 491 | /* 17 */ DECLARE_NV_DEV("NFORCE-MCP61"), | 
| Randy Dunlap | 353dcf7 | 2006-06-25 01:36:55 -0700 | [diff] [blame] | 492 | /* 18 */ DECLARE_NV_DEV("NFORCE-MCP65"), | 
| Peer Chen | cda5e61 | 2006-11-02 22:07:27 -0800 | [diff] [blame] | 493 | /* 19 */ DECLARE_NV_DEV("NFORCE-MCP67"), | 
| Peer Chen | c1183a3 | 2007-06-08 15:14:32 +0200 | [diff] [blame] | 494 | /* 20 */ DECLARE_NV_DEV("NFORCE-MCP73"), | 
|  | 495 | /* 21 */ DECLARE_NV_DEV("NFORCE-MCP77"), | 
|  | 496 | /* 22 */ DECLARE_AMD_DEV("AMD5536"), | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | }; | 
|  | 498 |  | 
|  | 499 | static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id) | 
|  | 500 | { | 
|  | 501 | amd_chipset = amd74xx_chipsets + id->driver_data; | 
|  | 502 | amd_config = amd_ide_chips + id->driver_data; | 
|  | 503 | if (dev->device != amd_config->id) { | 
|  | 504 | printk(KERN_ERR "%s: assertion 0x%02x == 0x%02x failed !\n", | 
|  | 505 | pci_name(dev), dev->device, amd_config->id); | 
|  | 506 | return -ENODEV; | 
|  | 507 | } | 
|  | 508 | return ide_setup_pci_device(dev, amd_chipset); | 
|  | 509 | } | 
|  | 510 |  | 
|  | 511 | static struct pci_device_id amd74xx_pci_tbl[] = { | 
|  | 512 | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_COBRA_7401,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  0 }, | 
|  | 513 | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7409,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  1 }, | 
|  | 514 | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7411,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  2 }, | 
|  | 515 | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_OPUS_7441,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  3 }, | 
|  | 516 | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_8111_IDE,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  4 }, | 
|  | 517 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  5 }, | 
|  | 518 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  6 }, | 
|  | 519 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  7 }, | 
|  | 520 | #ifdef CONFIG_BLK_DEV_IDE_SATA | 
|  | 521 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  8 }, | 
|  | 522 | #endif | 
|  | 523 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  9 }, | 
|  | 524 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10 }, | 
|  | 525 | #ifdef CONFIG_BLK_DEV_IDE_SATA | 
|  | 526 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11 }, | 
|  | 527 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12 }, | 
|  | 528 | #endif | 
|  | 529 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13 }, | 
|  | 530 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14 }, | 
| Andy Currid | af00f98 | 2005-05-23 08:55:45 -0700 | [diff] [blame] | 531 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15 }, | 
| Rob Punkunus | 21e2c01 | 2005-07-03 17:37:18 +0200 | [diff] [blame] | 532 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16 }, | 
| Andrew Chew | 4c5c816 | 2006-04-20 15:54:26 -0700 | [diff] [blame] | 533 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17 }, | 
| Randy Dunlap | 353dcf7 | 2006-06-25 01:36:55 -0700 | [diff] [blame] | 534 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18 }, | 
| Peer Chen | cda5e61 | 2006-11-02 22:07:27 -0800 | [diff] [blame] | 535 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19 }, | 
| Peer Chen | c1183a3 | 2007-06-08 15:14:32 +0200 | [diff] [blame] | 536 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 20 }, | 
|  | 537 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 21 }, | 
|  | 538 | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE,		PCI_ANY_ID, PCI_ANY_ID, 0, 0, 22 }, | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | { 0, }, | 
|  | 540 | }; | 
|  | 541 | MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl); | 
|  | 542 |  | 
|  | 543 | static struct pci_driver driver = { | 
|  | 544 | .name		= "AMD_IDE", | 
|  | 545 | .id_table	= amd74xx_pci_tbl, | 
|  | 546 | .probe		= amd74xx_probe, | 
|  | 547 | }; | 
|  | 548 |  | 
| Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 549 | static int __init amd74xx_ide_init(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | { | 
|  | 551 | return ide_pci_register_driver(&driver); | 
|  | 552 | } | 
|  | 553 |  | 
|  | 554 | module_init(amd74xx_ide_init); | 
|  | 555 |  | 
|  | 556 | MODULE_AUTHOR("Vojtech Pavlik"); | 
|  | 557 | MODULE_DESCRIPTION("AMD PCI IDE driver"); | 
|  | 558 | MODULE_LICENSE("GPL"); |