Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 2 | * Version 2.20 |
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 | |
| 126 | pci_read_config_byte(dev, PCI_REVISION_ID, &t); |
| 127 | amd_print("Revision: IDE %#x", t); |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 128 | 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] | 129 | |
| 130 | amd_print("BM-DMA base: %#lx", amd_base); |
| 131 | amd_print("PCI clock: %d.%dMHz", amd_clock / 1000, amd_clock / 100 % 10); |
| 132 | |
| 133 | amd_print("-----------------------Primary IDE-------Secondary IDE------"); |
| 134 | |
| 135 | pci_read_config_byte(dev, AMD_IDE_CONFIG, &t); |
| 136 | amd_print("Prefetch Buffer: %10s%20s", (t & 0x80) ? "yes" : "no", (t & 0x20) ? "yes" : "no"); |
| 137 | amd_print("Post Write Buffer: %10s%20s", (t & 0x40) ? "yes" : "no", (t & 0x10) ? "yes" : "no"); |
| 138 | |
| 139 | pci_read_config_byte(dev, AMD_IDE_ENABLE, &t); |
| 140 | amd_print("Enabled: %10s%20s", (t & 0x02) ? "yes" : "no", (t & 0x01) ? "yes" : "no"); |
| 141 | |
| 142 | c = inb(amd_base + 0x02) | (inb(amd_base + 0x0a) << 8); |
| 143 | amd_print("Simplex only: %10s%20s", (c & 0x80) ? "yes" : "no", (c & 0x8000) ? "yes" : "no"); |
| 144 | |
| 145 | amd_print("Cable Type: %10s%20s", (amd_80w & 1) ? "80w" : "40w", (amd_80w & 2) ? "80w" : "40w"); |
| 146 | |
| 147 | if (!amd_clock) |
| 148 | return p - buffer; |
| 149 | |
| 150 | amd_print("-------------------drive0----drive1----drive2----drive3-----"); |
| 151 | |
| 152 | pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t); |
| 153 | pci_read_config_dword(dev, AMD_DRIVE_TIMING, &v); |
| 154 | pci_read_config_word(dev, AMD_8BIT_TIMING, &w); |
| 155 | pci_read_config_dword(dev, AMD_UDMA_TIMING, &u); |
| 156 | |
| 157 | for (i = 0; i < 4; i++) { |
| 158 | setup[i] = ((t >> ((3 - i) << 1)) & 0x3) + 1; |
| 159 | recover8b[i] = ((w >> ((1 - (i >> 1)) << 3)) & 0xf) + 1; |
| 160 | active8b[i] = ((w >> (((1 - (i >> 1)) << 3) + 4)) & 0xf) + 1; |
| 161 | active[i] = ((v >> (((3 - i) << 3) + 4)) & 0xf) + 1; |
| 162 | recover[i] = ((v >> ((3 - i) << 3)) & 0xf) + 1; |
| 163 | |
| 164 | udma[i] = amd_udma2cyc[((u >> ((3 - i) << 3)) & 0x7)]; |
| 165 | uen[i] = ((u >> ((3 - i) << 3)) & 0x40) ? 1 : 0; |
| 166 | den[i] = (c & ((i & 1) ? 0x40 : 0x20) << ((i & 2) << 2)); |
| 167 | |
| 168 | if (den[i] && uen[i] && udma[i] == 1) { |
| 169 | speed[i] = amd_clock * 3; |
| 170 | cycle[i] = 666666 / amd_clock; |
| 171 | continue; |
| 172 | } |
| 173 | |
| 174 | if (den[i] && uen[i] && udma[i] == 15) { |
| 175 | speed[i] = amd_clock * 4; |
| 176 | cycle[i] = 500000 / amd_clock; |
| 177 | continue; |
| 178 | } |
| 179 | |
| 180 | speed[i] = 4 * amd_clock / ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2); |
| 181 | cycle[i] = 1000000 * ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2) / amd_clock / 2; |
| 182 | } |
| 183 | |
| 184 | amd_print_drive("Transfer Mode: ", "%10s", den[i] ? (uen[i] ? "UDMA" : "DMA") : "PIO"); |
| 185 | |
| 186 | amd_print_drive("Address Setup: ", "%8dns", 1000000 * setup[i] / amd_clock); |
| 187 | amd_print_drive("Cmd Active: ", "%8dns", 1000000 * active8b[i] / amd_clock); |
| 188 | amd_print_drive("Cmd Recovery: ", "%8dns", 1000000 * recover8b[i] / amd_clock); |
| 189 | amd_print_drive("Data Active: ", "%8dns", 1000000 * active[i] / amd_clock); |
| 190 | amd_print_drive("Data Recovery: ", "%8dns", 1000000 * recover[i] / amd_clock); |
| 191 | amd_print_drive("Cycle Time: ", "%8dns", cycle[i]); |
| 192 | amd_print_drive("Transfer Rate: ", "%4d.%dMB/s", speed[i] / 1000, speed[i] / 100 % 10); |
| 193 | |
| 194 | /* hoping p - buffer is less than 4K... */ |
| 195 | len = (p - buffer) - offset; |
| 196 | *addr = buffer + offset; |
| 197 | |
| 198 | return len > count ? count : len; |
| 199 | } |
| 200 | |
| 201 | #endif |
| 202 | |
| 203 | /* |
| 204 | * amd_set_speed() writes timing values to the chipset registers |
| 205 | */ |
| 206 | |
| 207 | static void amd_set_speed(struct pci_dev *dev, unsigned char dn, struct ide_timing *timing) |
| 208 | { |
| 209 | unsigned char t; |
| 210 | |
| 211 | pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t); |
| 212 | t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1)); |
| 213 | pci_write_config_byte(dev, AMD_ADDRESS_SETUP, t); |
| 214 | |
| 215 | pci_write_config_byte(dev, AMD_8BIT_TIMING + (1 - (dn >> 1)), |
| 216 | ((FIT(timing->act8b, 1, 16) - 1) << 4) | (FIT(timing->rec8b, 1, 16) - 1)); |
| 217 | |
| 218 | pci_write_config_byte(dev, AMD_DRIVE_TIMING + (3 - dn), |
| 219 | ((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1)); |
| 220 | |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 221 | switch (amd_config->udma_mask) { |
| 222 | case ATA_UDMA2: t = timing->udma ? (0xc0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break; |
| 223 | case ATA_UDMA4: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 2, 10)]) : 0x03; break; |
| 224 | case ATA_UDMA5: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 10)]) : 0x03; break; |
| 225 | case ATA_UDMA6: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 15)]) : 0x03; break; |
| 226 | default: return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | pci_write_config_byte(dev, AMD_UDMA_TIMING + (3 - dn), t); |
| 230 | } |
| 231 | |
| 232 | /* |
| 233 | * amd_set_drive() computes timing values configures the drive and |
| 234 | * the chipset to a desired transfer mode. It also can be called |
| 235 | * by upper layers. |
| 236 | */ |
| 237 | |
| 238 | static int amd_set_drive(ide_drive_t *drive, u8 speed) |
| 239 | { |
| 240 | ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1); |
| 241 | struct ide_timing t, p; |
| 242 | int T, UT; |
| 243 | |
Bartlomiej Zolnierkiewicz | 603a0e2 | 2007-07-03 22:28:35 +0200 | [diff] [blame] | 244 | if (speed != XFER_PIO_SLOW) |
| 245 | ide_config_drive_speed(drive, speed); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | |
| 247 | T = 1000000000 / amd_clock; |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 248 | UT = (amd_config->udma_mask == ATA_UDMA2) ? T : (T / 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | |
| 250 | ide_timing_compute(drive, speed, &t, T, UT); |
| 251 | |
| 252 | if (peer->present) { |
| 253 | ide_timing_compute(peer, peer->current_speed, &p, T, UT); |
| 254 | ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT); |
| 255 | } |
| 256 | |
| 257 | if (speed == XFER_UDMA_5 && amd_clock <= 33333) t.udma = 1; |
| 258 | if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15; |
| 259 | |
| 260 | amd_set_speed(HWIF(drive)->pci_dev, drive->dn, &t); |
| 261 | |
| 262 | if (!drive->init_speed) |
| 263 | drive->init_speed = speed; |
| 264 | drive->current_speed = speed; |
| 265 | |
| 266 | return 0; |
| 267 | } |
| 268 | |
| 269 | /* |
| 270 | * amd74xx_tune_drive() is a callback from upper layers for |
| 271 | * PIO-only tuning. |
| 272 | */ |
| 273 | |
| 274 | static void amd74xx_tune_drive(ide_drive_t *drive, u8 pio) |
| 275 | { |
| 276 | if (pio == 255) { |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 277 | amd_set_drive(drive, ide_find_best_pio_mode(drive)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | return; |
| 279 | } |
| 280 | |
| 281 | amd_set_drive(drive, XFER_PIO_0 + min_t(byte, pio, 5)); |
| 282 | } |
| 283 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | static int amd74xx_ide_dma_check(ide_drive_t *drive) |
| 285 | { |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 286 | u8 speed = ide_max_dma_mode(drive); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 288 | if (speed == 0) |
| 289 | speed = ide_find_best_pio_mode(drive); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | |
| 291 | amd_set_drive(drive, speed); |
| 292 | |
| 293 | if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) |
Bartlomiej Zolnierkiewicz | 3608b5d | 2007-02-17 02:40:26 +0100 | [diff] [blame] | 294 | return 0; |
| 295 | |
| 296 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | /* |
| 300 | * The initialization callback. Here we determine the IDE chip type |
| 301 | * and initialize its drive independent registers. |
| 302 | */ |
| 303 | |
Herbert Xu | e895f92 | 2005-07-03 16:15:41 +0200 | [diff] [blame] | 304 | 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] | 305 | { |
| 306 | unsigned char t; |
| 307 | unsigned int u; |
| 308 | int i; |
| 309 | |
| 310 | /* |
| 311 | * Check for bad SWDMA. |
| 312 | */ |
| 313 | |
| 314 | if (amd_config->flags & AMD_CHECK_SWDMA) { |
| 315 | pci_read_config_byte(dev, PCI_REVISION_ID, &t); |
| 316 | if (t <= 7) |
| 317 | amd_config->flags |= AMD_BAD_SWDMA; |
| 318 | } |
| 319 | |
| 320 | /* |
| 321 | * Check 80-wire cable presence. |
| 322 | */ |
| 323 | |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 324 | switch (amd_config->udma_mask) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 326 | case ATA_UDMA6: |
| 327 | case ATA_UDMA5: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | pci_read_config_byte(dev, AMD_CABLE_DETECT, &t); |
| 329 | pci_read_config_dword(dev, AMD_UDMA_TIMING, &u); |
| 330 | amd_80w = ((t & 0x3) ? 1 : 0) | ((t & 0xc) ? 2 : 0); |
| 331 | for (i = 24; i >= 0; i -= 8) |
| 332 | if (((u >> i) & 4) && !(amd_80w & (1 << (1 - (i >> 4))))) { |
| 333 | printk(KERN_WARNING "%s: BIOS didn't set cable bits correctly. Enabling workaround.\n", |
| 334 | amd_chipset->name); |
| 335 | amd_80w |= (1 << (1 - (i >> 4))); |
| 336 | } |
| 337 | break; |
| 338 | |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 339 | case ATA_UDMA4: |
Rene Herman | 9edc91d | 2006-03-28 01:56:30 -0800 | [diff] [blame] | 340 | /* no host side cable detection */ |
| 341 | amd_80w = 0x03; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | break; |
| 343 | } |
| 344 | |
| 345 | /* |
| 346 | * Take care of prefetch & postwrite. |
| 347 | */ |
| 348 | |
| 349 | pci_read_config_byte(dev, AMD_IDE_CONFIG, &t); |
| 350 | pci_write_config_byte(dev, AMD_IDE_CONFIG, |
| 351 | (amd_config->flags & AMD_BAD_FIFO) ? (t & 0x0f) : (t | 0xf0)); |
| 352 | |
| 353 | /* |
| 354 | * Take care of incorrectly wired Serenade mainboards. |
| 355 | */ |
| 356 | |
| 357 | if ((amd_config->flags & AMD_CHECK_SERENADE) && |
| 358 | dev->subsystem_vendor == PCI_VENDOR_ID_AMD && |
| 359 | dev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 360 | amd_config->udma_mask = ATA_UDMA5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | |
| 362 | /* |
| 363 | * Determine the system bus clock. |
| 364 | */ |
| 365 | |
| 366 | amd_clock = system_bus_clock() * 1000; |
| 367 | |
| 368 | switch (amd_clock) { |
| 369 | case 33000: amd_clock = 33333; break; |
| 370 | case 37000: amd_clock = 37500; break; |
| 371 | case 41000: amd_clock = 41666; break; |
| 372 | } |
| 373 | |
| 374 | if (amd_clock < 20000 || amd_clock > 50000) { |
| 375 | printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n", |
| 376 | amd_chipset->name, amd_clock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | amd_clock = 33333; |
| 378 | } |
| 379 | |
| 380 | /* |
| 381 | * Print the boot message. |
| 382 | */ |
| 383 | |
| 384 | pci_read_config_byte(dev, PCI_REVISION_ID, &t); |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 385 | printk(KERN_INFO "%s: %s (rev %02x) UDMA%s controller\n", |
| 386 | amd_chipset->name, pci_name(dev), t, |
| 387 | amd_dma[fls(amd_config->udma_mask) - 1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | |
| 389 | /* |
| 390 | * Register /proc/ide/amd74xx entry |
| 391 | */ |
| 392 | |
Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 393 | #if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_IDE_PROC_FS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | if (!amd74xx_proc) { |
| 395 | amd_base = pci_resource_start(dev, 4); |
| 396 | bmide_dev = dev; |
| 397 | ide_pci_create_host_proc("amd74xx", amd74xx_get_info); |
| 398 | amd74xx_proc = 1; |
| 399 | } |
Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 400 | #endif /* DISPLAY_AMD_TIMINGS && CONFIG_IDE_PROC_FS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | |
| 402 | return dev->irq; |
| 403 | } |
| 404 | |
Herbert Xu | e895f92 | 2005-07-03 16:15:41 +0200 | [diff] [blame] | 405 | static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | { |
| 407 | int i; |
| 408 | |
| 409 | if (hwif->irq == 0) /* 0 is bogus but will do for now */ |
| 410 | hwif->irq = pci_get_legacy_ide_irq(hwif->pci_dev, hwif->channel); |
| 411 | |
| 412 | hwif->autodma = 0; |
| 413 | |
| 414 | hwif->tuneproc = &amd74xx_tune_drive; |
| 415 | hwif->speedproc = &amd_set_drive; |
| 416 | |
| 417 | for (i = 0; i < 2; i++) { |
| 418 | hwif->drives[i].io_32bit = 1; |
| 419 | hwif->drives[i].unmask = 1; |
| 420 | hwif->drives[i].autotune = 1; |
| 421 | hwif->drives[i].dn = hwif->channel * 2 + i; |
| 422 | } |
| 423 | |
| 424 | if (!hwif->dma_base) |
| 425 | return; |
| 426 | |
| 427 | hwif->atapi_dma = 1; |
Bartlomiej Zolnierkiewicz | 75b1d97 | 2007-07-09 23:17:57 +0200 | [diff] [blame^] | 428 | |
| 429 | hwif->ultra_mask = amd_config->udma_mask; |
| 430 | hwif->mwdma_mask = 0x07; |
| 431 | if ((amd_config->flags & AMD_BAD_SWDMA) == 0) |
| 432 | hwif->swdma_mask = 0x07; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | |
| 434 | if (!hwif->udma_four) |
| 435 | hwif->udma_four = (amd_80w >> hwif->channel) & 1; |
| 436 | hwif->ide_dma_check = &amd74xx_ide_dma_check; |
| 437 | if (!noautodma) |
| 438 | hwif->autodma = 1; |
| 439 | hwif->drives[0].autodma = hwif->autodma; |
| 440 | hwif->drives[1].autodma = hwif->autodma; |
| 441 | } |
| 442 | |
| 443 | #define DECLARE_AMD_DEV(name_str) \ |
| 444 | { \ |
| 445 | .name = name_str, \ |
| 446 | .init_chipset = init_chipset_amd74xx, \ |
| 447 | .init_hwif = init_hwif_amd74xx, \ |
| 448 | .channels = 2, \ |
| 449 | .autodma = AUTODMA, \ |
| 450 | .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, \ |
| 451 | .bootable = ON_BOARD, \ |
| 452 | } |
| 453 | |
| 454 | #define DECLARE_NV_DEV(name_str) \ |
| 455 | { \ |
| 456 | .name = name_str, \ |
| 457 | .init_chipset = init_chipset_amd74xx, \ |
| 458 | .init_hwif = init_hwif_amd74xx, \ |
| 459 | .channels = 2, \ |
| 460 | .autodma = AUTODMA, \ |
| 461 | .enablebits = {{0x50,0x02,0x02}, {0x50,0x01,0x01}}, \ |
| 462 | .bootable = ON_BOARD, \ |
| 463 | } |
| 464 | |
| 465 | static ide_pci_device_t amd74xx_chipsets[] __devinitdata = { |
| 466 | /* 0 */ DECLARE_AMD_DEV("AMD7401"), |
| 467 | /* 1 */ DECLARE_AMD_DEV("AMD7409"), |
| 468 | /* 2 */ DECLARE_AMD_DEV("AMD7411"), |
| 469 | /* 3 */ DECLARE_AMD_DEV("AMD7441"), |
| 470 | /* 4 */ DECLARE_AMD_DEV("AMD8111"), |
| 471 | |
| 472 | /* 5 */ DECLARE_NV_DEV("NFORCE"), |
| 473 | /* 6 */ DECLARE_NV_DEV("NFORCE2"), |
| 474 | /* 7 */ DECLARE_NV_DEV("NFORCE2-U400R"), |
| 475 | /* 8 */ DECLARE_NV_DEV("NFORCE2-U400R-SATA"), |
| 476 | /* 9 */ DECLARE_NV_DEV("NFORCE3-150"), |
| 477 | /* 10 */ DECLARE_NV_DEV("NFORCE3-250"), |
| 478 | /* 11 */ DECLARE_NV_DEV("NFORCE3-250-SATA"), |
| 479 | /* 12 */ DECLARE_NV_DEV("NFORCE3-250-SATA2"), |
| 480 | /* 13 */ DECLARE_NV_DEV("NFORCE-CK804"), |
| 481 | /* 14 */ DECLARE_NV_DEV("NFORCE-MCP04"), |
Andy Currid | af00f98 | 2005-05-23 08:55:45 -0700 | [diff] [blame] | 482 | /* 15 */ DECLARE_NV_DEV("NFORCE-MCP51"), |
Rob Punkunus | 21e2c01 | 2005-07-03 17:37:18 +0200 | [diff] [blame] | 483 | /* 16 */ DECLARE_NV_DEV("NFORCE-MCP55"), |
Andrew Chew | 4c5c816 | 2006-04-20 15:54:26 -0700 | [diff] [blame] | 484 | /* 17 */ DECLARE_NV_DEV("NFORCE-MCP61"), |
Randy Dunlap | 353dcf7 | 2006-06-25 01:36:55 -0700 | [diff] [blame] | 485 | /* 18 */ DECLARE_NV_DEV("NFORCE-MCP65"), |
Peer Chen | cda5e61 | 2006-11-02 22:07:27 -0800 | [diff] [blame] | 486 | /* 19 */ DECLARE_NV_DEV("NFORCE-MCP67"), |
Peer Chen | c1183a3 | 2007-06-08 15:14:32 +0200 | [diff] [blame] | 487 | /* 20 */ DECLARE_NV_DEV("NFORCE-MCP73"), |
| 488 | /* 21 */ DECLARE_NV_DEV("NFORCE-MCP77"), |
| 489 | /* 22 */ DECLARE_AMD_DEV("AMD5536"), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | }; |
| 491 | |
| 492 | static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id) |
| 493 | { |
| 494 | amd_chipset = amd74xx_chipsets + id->driver_data; |
| 495 | amd_config = amd_ide_chips + id->driver_data; |
| 496 | if (dev->device != amd_config->id) { |
| 497 | printk(KERN_ERR "%s: assertion 0x%02x == 0x%02x failed !\n", |
| 498 | pci_name(dev), dev->device, amd_config->id); |
| 499 | return -ENODEV; |
| 500 | } |
| 501 | return ide_setup_pci_device(dev, amd_chipset); |
| 502 | } |
| 503 | |
| 504 | static struct pci_device_id amd74xx_pci_tbl[] = { |
| 505 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_COBRA_7401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 506 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7409, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 }, |
| 507 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7411, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 }, |
| 508 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_OPUS_7441, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 }, |
| 509 | { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 }, |
| 510 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5 }, |
| 511 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6 }, |
| 512 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7 }, |
| 513 | #ifdef CONFIG_BLK_DEV_IDE_SATA |
| 514 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, |
| 515 | #endif |
| 516 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9 }, |
| 517 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10 }, |
| 518 | #ifdef CONFIG_BLK_DEV_IDE_SATA |
| 519 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11 }, |
| 520 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12 }, |
| 521 | #endif |
| 522 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13 }, |
| 523 | { 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] | 524 | { 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] | 525 | { 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] | 526 | { 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] | 527 | { 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] | 528 | { 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] | 529 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 20 }, |
| 530 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 21 }, |
| 531 | { 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] | 532 | { 0, }, |
| 533 | }; |
| 534 | MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl); |
| 535 | |
| 536 | static struct pci_driver driver = { |
| 537 | .name = "AMD_IDE", |
| 538 | .id_table = amd74xx_pci_tbl, |
| 539 | .probe = amd74xx_probe, |
| 540 | }; |
| 541 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 542 | static int __init amd74xx_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | { |
| 544 | return ide_pci_register_driver(&driver); |
| 545 | } |
| 546 | |
| 547 | module_init(amd74xx_ide_init); |
| 548 | |
| 549 | MODULE_AUTHOR("Vojtech Pavlik"); |
| 550 | MODULE_DESCRIPTION("AMD PCI IDE driver"); |
| 551 | MODULE_LICENSE("GPL"); |