| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |  * Version 2.13 | 
 | 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 | 
 | 8 |  * | 
 | 9 |  * Based on the work of: | 
 | 10 |  *      Andre Hedrick | 
 | 11 |  */ | 
 | 12 |  | 
 | 13 | /* | 
 | 14 |  * This program is free software; you can redistribute it and/or modify it | 
 | 15 |  * under the terms of the GNU General Public License version 2 as published by | 
 | 16 |  * the Free Software Foundation. | 
 | 17 |  */ | 
 | 18 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <linux/module.h> | 
 | 20 | #include <linux/kernel.h> | 
 | 21 | #include <linux/ioport.h> | 
 | 22 | #include <linux/blkdev.h> | 
 | 23 | #include <linux/pci.h> | 
 | 24 | #include <linux/init.h> | 
 | 25 | #include <linux/ide.h> | 
 | 26 | #include <asm/io.h> | 
 | 27 |  | 
 | 28 | #include "ide-timing.h" | 
 | 29 |  | 
 | 30 | #define DISPLAY_AMD_TIMINGS | 
 | 31 |  | 
 | 32 | #define AMD_IDE_ENABLE		(0x00 + amd_config->base) | 
 | 33 | #define AMD_IDE_CONFIG		(0x01 + amd_config->base) | 
 | 34 | #define AMD_CABLE_DETECT	(0x02 + amd_config->base) | 
 | 35 | #define AMD_DRIVE_TIMING	(0x08 + amd_config->base) | 
 | 36 | #define AMD_8BIT_TIMING		(0x0e + amd_config->base) | 
 | 37 | #define AMD_ADDRESS_SETUP	(0x0c + amd_config->base) | 
 | 38 | #define AMD_UDMA_TIMING		(0x10 + amd_config->base) | 
 | 39 |  | 
 | 40 | #define AMD_UDMA		0x07 | 
 | 41 | #define AMD_UDMA_33		0x01 | 
 | 42 | #define AMD_UDMA_66		0x02 | 
 | 43 | #define AMD_UDMA_100		0x03 | 
 | 44 | #define AMD_UDMA_133		0x04 | 
 | 45 | #define AMD_CHECK_SWDMA		0x08 | 
 | 46 | #define AMD_BAD_SWDMA		0x10 | 
 | 47 | #define AMD_BAD_FIFO		0x20 | 
 | 48 | #define AMD_CHECK_SERENADE	0x40 | 
 | 49 |  | 
 | 50 | /* | 
 | 51 |  * AMD SouthBridge chips. | 
 | 52 |  */ | 
 | 53 |  | 
 | 54 | static struct amd_ide_chip { | 
 | 55 | 	unsigned short id; | 
 | 56 | 	unsigned long base; | 
 | 57 | 	unsigned char flags; | 
 | 58 | } amd_ide_chips[] = { | 
 | 59 | 	{ PCI_DEVICE_ID_AMD_COBRA_7401,		0x40, AMD_UDMA_33 | AMD_BAD_SWDMA }, | 
 | 60 | 	{ PCI_DEVICE_ID_AMD_VIPER_7409,		0x40, AMD_UDMA_66 | AMD_CHECK_SWDMA }, | 
 | 61 | 	{ PCI_DEVICE_ID_AMD_VIPER_7411,		0x40, AMD_UDMA_100 | AMD_BAD_FIFO }, | 
 | 62 | 	{ PCI_DEVICE_ID_AMD_OPUS_7441,		0x40, AMD_UDMA_100 }, | 
 | 63 | 	{ PCI_DEVICE_ID_AMD_8111_IDE,		0x40, AMD_UDMA_133 | AMD_CHECK_SERENADE }, | 
 | 64 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_IDE,	0x50, AMD_UDMA_100 }, | 
 | 65 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE,	0x50, AMD_UDMA_133 }, | 
 | 66 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE,	0x50, AMD_UDMA_133 }, | 
 | 67 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA,	0x50, AMD_UDMA_133 }, | 
 | 68 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE,	0x50, AMD_UDMA_133 }, | 
 | 69 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE,	0x50, AMD_UDMA_133 }, | 
 | 70 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA,	0x50, AMD_UDMA_133 }, | 
 | 71 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2,	0x50, AMD_UDMA_133 }, | 
 | 72 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE,	0x50, AMD_UDMA_133 }, | 
 | 73 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE,	0x50, AMD_UDMA_133 }, | 
| Andy Currid | af00f98 | 2005-05-23 08:55:45 -0700 | [diff] [blame] | 74 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE,	0x50, AMD_UDMA_133 }, | 
| Rob Punkunus | 21e2c01 | 2005-07-03 17:37:18 +0200 | [diff] [blame] | 75 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE,	0x50, AMD_UDMA_133 }, | 
| Andrew Chew | 4c5c816 | 2006-04-20 15:54:26 -0700 | [diff] [blame] | 76 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE,	0x50, AMD_UDMA_133 }, | 
| Randy Dunlap | 353dcf7 | 2006-06-25 01:36:55 -0700 | [diff] [blame] | 77 | 	{ PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE,	0x50, AMD_UDMA_133 }, | 
| Jordan Crouse | 7fab773 | 2005-11-09 23:26:09 +0100 | [diff] [blame] | 78 | 	{ PCI_DEVICE_ID_AMD_CS5536_IDE,			0x40, AMD_UDMA_100 }, | 
| 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 |  | 
 | 87 | static char *amd_dma[] = { "MWDMA16", "UDMA33", "UDMA66", "UDMA100", "UDMA133" }; | 
 | 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 |  | 
 | 94 | #ifdef CONFIG_PROC_FS | 
 | 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); | 
 | 128 | 	amd_print("Highest DMA rate:                   %s", amd_dma[amd_config->flags & AMD_UDMA]); | 
 | 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 |  | 
 | 221 | 	switch (amd_config->flags & AMD_UDMA) { | 
 | 222 | 		case AMD_UDMA_33:  t = timing->udma ? (0xc0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break; | 
 | 223 | 		case AMD_UDMA_66:  t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 2, 10)]) : 0x03; break; | 
 | 224 | 		case AMD_UDMA_100: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 10)]) : 0x03; break; | 
 | 225 | 		case AMD_UDMA_133: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 15)]) : 0x03; break; | 
 | 226 | 		default: return; | 
 | 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 |  | 
 | 244 | 	if (speed != XFER_PIO_SLOW && speed != drive->current_speed) | 
 | 245 | 		if (ide_config_drive_speed(drive, speed)) | 
 | 246 | 			printk(KERN_WARNING "ide%d: Drive %d didn't accept speed setting. Oh, well.\n", | 
 | 247 | 				drive->dn >> 1, drive->dn & 1); | 
 | 248 |  | 
 | 249 | 	T = 1000000000 / amd_clock; | 
 | 250 | 	UT = T / min_t(int, max_t(int, amd_config->flags & AMD_UDMA, 1), 2); | 
 | 251 |  | 
 | 252 | 	ide_timing_compute(drive, speed, &t, T, UT); | 
 | 253 |  | 
 | 254 | 	if (peer->present) { | 
 | 255 | 		ide_timing_compute(peer, peer->current_speed, &p, T, UT); | 
 | 256 | 		ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT); | 
 | 257 | 	} | 
 | 258 |  | 
 | 259 | 	if (speed == XFER_UDMA_5 && amd_clock <= 33333) t.udma = 1; | 
 | 260 | 	if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15; | 
 | 261 |  | 
 | 262 | 	amd_set_speed(HWIF(drive)->pci_dev, drive->dn, &t); | 
 | 263 |  | 
 | 264 | 	if (!drive->init_speed)	 | 
 | 265 | 		drive->init_speed = speed; | 
 | 266 | 	drive->current_speed = speed; | 
 | 267 |  | 
 | 268 | 	return 0; | 
 | 269 | } | 
 | 270 |  | 
 | 271 | /* | 
 | 272 |  * amd74xx_tune_drive() is a callback from upper layers for | 
 | 273 |  * PIO-only tuning. | 
 | 274 |  */ | 
 | 275 |  | 
 | 276 | static void amd74xx_tune_drive(ide_drive_t *drive, u8 pio) | 
 | 277 | { | 
 | 278 | 	if (pio == 255) { | 
 | 279 | 		amd_set_drive(drive, ide_find_best_mode(drive, XFER_PIO | XFER_EPIO)); | 
 | 280 | 		return; | 
 | 281 | 	} | 
 | 282 |  | 
 | 283 | 	amd_set_drive(drive, XFER_PIO_0 + min_t(byte, pio, 5)); | 
 | 284 | } | 
 | 285 |  | 
 | 286 | /* | 
 | 287 |  * amd74xx_dmaproc() is a callback from upper layers that can do | 
 | 288 |  * a lot, but we use it for DMA/PIO tuning only, delegating everything | 
 | 289 |  * else to the default ide_dmaproc(). | 
 | 290 |  */ | 
 | 291 |  | 
 | 292 | static int amd74xx_ide_dma_check(ide_drive_t *drive) | 
 | 293 | { | 
 | 294 | 	int w80 = HWIF(drive)->udma_four; | 
 | 295 |  | 
 | 296 | 	u8 speed = ide_find_best_mode(drive, | 
 | 297 | 		XFER_PIO | XFER_EPIO | XFER_MWDMA | XFER_UDMA | | 
 | 298 | 		((amd_config->flags & AMD_BAD_SWDMA) ? 0 : XFER_SWDMA) | | 
 | 299 | 		(w80 && (amd_config->flags & AMD_UDMA) >= AMD_UDMA_66 ? XFER_UDMA_66 : 0) | | 
 | 300 | 		(w80 && (amd_config->flags & AMD_UDMA) >= AMD_UDMA_100 ? XFER_UDMA_100 : 0) | | 
 | 301 | 		(w80 && (amd_config->flags & AMD_UDMA) >= AMD_UDMA_133 ? XFER_UDMA_133 : 0)); | 
 | 302 |  | 
 | 303 | 	amd_set_drive(drive, speed); | 
 | 304 |  | 
 | 305 | 	if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) | 
 | 306 | 		return HWIF(drive)->ide_dma_on(drive); | 
 | 307 | 	return HWIF(drive)->ide_dma_off_quietly(drive); | 
 | 308 | } | 
 | 309 |  | 
 | 310 | /* | 
 | 311 |  * The initialization callback. Here we determine the IDE chip type | 
 | 312 |  * and initialize its drive independent registers. | 
 | 313 |  */ | 
 | 314 |  | 
| Herbert Xu | e895f92 | 2005-07-03 16:15:41 +0200 | [diff] [blame] | 315 | 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] | 316 | { | 
 | 317 | 	unsigned char t; | 
 | 318 | 	unsigned int u; | 
 | 319 | 	int i; | 
 | 320 |  | 
 | 321 | /* | 
 | 322 |  * Check for bad SWDMA. | 
 | 323 |  */ | 
 | 324 |  | 
 | 325 | 	if (amd_config->flags & AMD_CHECK_SWDMA) { | 
 | 326 | 		pci_read_config_byte(dev, PCI_REVISION_ID, &t); | 
 | 327 | 		if (t <= 7) | 
 | 328 | 			amd_config->flags |= AMD_BAD_SWDMA; | 
 | 329 | 	} | 
 | 330 |  | 
 | 331 | /* | 
 | 332 |  * Check 80-wire cable presence. | 
 | 333 |  */ | 
 | 334 |  | 
 | 335 | 	switch (amd_config->flags & AMD_UDMA) { | 
 | 336 |  | 
 | 337 | 		case AMD_UDMA_133: | 
 | 338 | 		case AMD_UDMA_100: | 
 | 339 | 			pci_read_config_byte(dev, AMD_CABLE_DETECT, &t); | 
 | 340 | 			pci_read_config_dword(dev, AMD_UDMA_TIMING, &u); | 
 | 341 | 			amd_80w = ((t & 0x3) ? 1 : 0) | ((t & 0xc) ? 2 : 0); | 
 | 342 | 			for (i = 24; i >= 0; i -= 8) | 
 | 343 | 				if (((u >> i) & 4) && !(amd_80w & (1 << (1 - (i >> 4))))) { | 
 | 344 | 					printk(KERN_WARNING "%s: BIOS didn't set cable bits correctly. Enabling workaround.\n", | 
 | 345 | 						amd_chipset->name); | 
 | 346 | 					amd_80w |= (1 << (1 - (i >> 4))); | 
 | 347 | 				} | 
 | 348 | 			break; | 
 | 349 |  | 
 | 350 | 		case AMD_UDMA_66: | 
| Rene Herman | 9edc91d | 2006-03-28 01:56:30 -0800 | [diff] [blame] | 351 | 			/* no host side cable detection */ | 
 | 352 | 			amd_80w = 0x03; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | 			break; | 
 | 354 | 	} | 
 | 355 |  | 
 | 356 | /* | 
 | 357 |  * Take care of prefetch & postwrite. | 
 | 358 |  */ | 
 | 359 |  | 
 | 360 | 	pci_read_config_byte(dev, AMD_IDE_CONFIG, &t); | 
 | 361 | 	pci_write_config_byte(dev, AMD_IDE_CONFIG, | 
 | 362 | 		(amd_config->flags & AMD_BAD_FIFO) ? (t & 0x0f) : (t | 0xf0)); | 
 | 363 |  | 
 | 364 | /* | 
 | 365 |  * Take care of incorrectly wired Serenade mainboards. | 
 | 366 |  */ | 
 | 367 |  | 
 | 368 | 	if ((amd_config->flags & AMD_CHECK_SERENADE) && | 
 | 369 | 		dev->subsystem_vendor == PCI_VENDOR_ID_AMD && | 
 | 370 | 		dev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) | 
 | 371 | 			amd_config->flags = AMD_UDMA_100; | 
 | 372 |  | 
 | 373 | /* | 
 | 374 |  * Determine the system bus clock. | 
 | 375 |  */ | 
 | 376 |  | 
 | 377 | 	amd_clock = system_bus_clock() * 1000; | 
 | 378 |  | 
 | 379 | 	switch (amd_clock) { | 
 | 380 | 		case 33000: amd_clock = 33333; break; | 
 | 381 | 		case 37000: amd_clock = 37500; break; | 
 | 382 | 		case 41000: amd_clock = 41666; break; | 
 | 383 | 	} | 
 | 384 |  | 
 | 385 | 	if (amd_clock < 20000 || amd_clock > 50000) { | 
 | 386 | 		printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n", | 
 | 387 | 			amd_chipset->name, amd_clock); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | 		amd_clock = 33333; | 
 | 389 | 	} | 
 | 390 |  | 
 | 391 | /* | 
 | 392 |  * Print the boot message. | 
 | 393 |  */ | 
 | 394 |  | 
 | 395 | 	pci_read_config_byte(dev, PCI_REVISION_ID, &t); | 
 | 396 | 	printk(KERN_INFO "%s: %s (rev %02x) %s controller\n", | 
 | 397 | 		amd_chipset->name, pci_name(dev), t, amd_dma[amd_config->flags & AMD_UDMA]); | 
 | 398 |  | 
 | 399 | /* | 
 | 400 |  * Register /proc/ide/amd74xx entry | 
 | 401 |  */ | 
 | 402 |  | 
 | 403 | #if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_PROC_FS) | 
 | 404 |         if (!amd74xx_proc) { | 
 | 405 |                 amd_base = pci_resource_start(dev, 4); | 
 | 406 |                 bmide_dev = dev; | 
 | 407 | 		ide_pci_create_host_proc("amd74xx", amd74xx_get_info); | 
 | 408 |                 amd74xx_proc = 1; | 
 | 409 |         } | 
 | 410 | #endif /* DISPLAY_AMD_TIMINGS && CONFIG_PROC_FS */ | 
 | 411 |  | 
 | 412 | 	return dev->irq; | 
 | 413 | } | 
 | 414 |  | 
| Herbert Xu | e895f92 | 2005-07-03 16:15:41 +0200 | [diff] [blame] | 415 | static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | { | 
 | 417 | 	int i; | 
 | 418 |  | 
 | 419 | 	if (hwif->irq == 0) /* 0 is bogus but will do for now */ | 
 | 420 | 		hwif->irq = pci_get_legacy_ide_irq(hwif->pci_dev, hwif->channel); | 
 | 421 |  | 
 | 422 | 	hwif->autodma = 0; | 
 | 423 |  | 
 | 424 | 	hwif->tuneproc = &amd74xx_tune_drive; | 
 | 425 | 	hwif->speedproc = &amd_set_drive; | 
 | 426 |  | 
 | 427 | 	for (i = 0; i < 2; i++) { | 
 | 428 | 		hwif->drives[i].io_32bit = 1; | 
 | 429 | 		hwif->drives[i].unmask = 1; | 
 | 430 | 		hwif->drives[i].autotune = 1; | 
 | 431 | 		hwif->drives[i].dn = hwif->channel * 2 + i; | 
 | 432 | 	} | 
 | 433 |  | 
 | 434 | 	if (!hwif->dma_base) | 
 | 435 | 		return; | 
 | 436 |  | 
 | 437 |         hwif->atapi_dma = 1; | 
 | 438 |         hwif->ultra_mask = 0x7f; | 
 | 439 |         hwif->mwdma_mask = 0x07; | 
 | 440 |         hwif->swdma_mask = 0x07; | 
 | 441 |  | 
 | 442 | 	if (!hwif->udma_four) | 
 | 443 | 		hwif->udma_four = (amd_80w >> hwif->channel) & 1; | 
 | 444 |         hwif->ide_dma_check = &amd74xx_ide_dma_check; | 
 | 445 |         if (!noautodma) | 
 | 446 |                 hwif->autodma = 1; | 
 | 447 |         hwif->drives[0].autodma = hwif->autodma; | 
 | 448 |         hwif->drives[1].autodma = hwif->autodma; | 
 | 449 | } | 
 | 450 |  | 
 | 451 | #define DECLARE_AMD_DEV(name_str)					\ | 
 | 452 | 	{								\ | 
 | 453 | 		.name		= name_str,				\ | 
 | 454 | 		.init_chipset	= init_chipset_amd74xx,			\ | 
 | 455 | 		.init_hwif	= init_hwif_amd74xx,			\ | 
 | 456 | 		.channels	= 2,					\ | 
 | 457 | 		.autodma	= AUTODMA,				\ | 
 | 458 | 		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},	\ | 
 | 459 | 		.bootable	= ON_BOARD,				\ | 
 | 460 | 	} | 
 | 461 |  | 
 | 462 | #define DECLARE_NV_DEV(name_str)					\ | 
 | 463 | 	{								\ | 
 | 464 | 		.name		= name_str,				\ | 
 | 465 | 		.init_chipset	= init_chipset_amd74xx,			\ | 
 | 466 | 		.init_hwif	= init_hwif_amd74xx,			\ | 
 | 467 | 		.channels	= 2,					\ | 
 | 468 | 		.autodma	= AUTODMA,				\ | 
 | 469 | 		.enablebits	= {{0x50,0x02,0x02}, {0x50,0x01,0x01}},	\ | 
 | 470 | 		.bootable	= ON_BOARD,				\ | 
 | 471 | 	} | 
 | 472 |  | 
 | 473 | static ide_pci_device_t amd74xx_chipsets[] __devinitdata = { | 
 | 474 | 	/*  0 */ DECLARE_AMD_DEV("AMD7401"), | 
 | 475 | 	/*  1 */ DECLARE_AMD_DEV("AMD7409"), | 
 | 476 | 	/*  2 */ DECLARE_AMD_DEV("AMD7411"), | 
 | 477 | 	/*  3 */ DECLARE_AMD_DEV("AMD7441"), | 
 | 478 | 	/*  4 */ DECLARE_AMD_DEV("AMD8111"), | 
 | 479 |  | 
 | 480 | 	/*  5 */ DECLARE_NV_DEV("NFORCE"), | 
 | 481 | 	/*  6 */ DECLARE_NV_DEV("NFORCE2"), | 
 | 482 | 	/*  7 */ DECLARE_NV_DEV("NFORCE2-U400R"), | 
 | 483 | 	/*  8 */ DECLARE_NV_DEV("NFORCE2-U400R-SATA"), | 
 | 484 | 	/*  9 */ DECLARE_NV_DEV("NFORCE3-150"), | 
 | 485 | 	/* 10 */ DECLARE_NV_DEV("NFORCE3-250"), | 
 | 486 | 	/* 11 */ DECLARE_NV_DEV("NFORCE3-250-SATA"), | 
 | 487 | 	/* 12 */ DECLARE_NV_DEV("NFORCE3-250-SATA2"), | 
 | 488 | 	/* 13 */ DECLARE_NV_DEV("NFORCE-CK804"), | 
 | 489 | 	/* 14 */ DECLARE_NV_DEV("NFORCE-MCP04"), | 
| Andy Currid | af00f98 | 2005-05-23 08:55:45 -0700 | [diff] [blame] | 490 | 	/* 15 */ DECLARE_NV_DEV("NFORCE-MCP51"), | 
| Rob Punkunus | 21e2c01 | 2005-07-03 17:37:18 +0200 | [diff] [blame] | 491 | 	/* 16 */ DECLARE_NV_DEV("NFORCE-MCP55"), | 
| Andrew Chew | 4c5c816 | 2006-04-20 15:54:26 -0700 | [diff] [blame] | 492 | 	/* 17 */ DECLARE_NV_DEV("NFORCE-MCP61"), | 
| Randy Dunlap | 353dcf7 | 2006-06-25 01:36:55 -0700 | [diff] [blame] | 493 | 	/* 18 */ DECLARE_NV_DEV("NFORCE-MCP65"), | 
 | 494 | 	/* 19 */ DECLARE_AMD_DEV("AMD5536"), | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | }; | 
 | 496 |  | 
 | 497 | static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id) | 
 | 498 | { | 
 | 499 | 	amd_chipset = amd74xx_chipsets + id->driver_data; | 
 | 500 | 	amd_config = amd_ide_chips + id->driver_data; | 
 | 501 | 	if (dev->device != amd_config->id) { | 
 | 502 | 		printk(KERN_ERR "%s: assertion 0x%02x == 0x%02x failed !\n", | 
 | 503 | 		       pci_name(dev), dev->device, amd_config->id); | 
 | 504 | 		return -ENODEV; | 
 | 505 | 	} | 
 | 506 | 	return ide_setup_pci_device(dev, amd_chipset); | 
 | 507 | } | 
 | 508 |  | 
 | 509 | static struct pci_device_id amd74xx_pci_tbl[] = { | 
 | 510 | 	{ PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_COBRA_7401,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  0 }, | 
 | 511 | 	{ PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7409,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  1 }, | 
 | 512 | 	{ PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7411,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  2 }, | 
 | 513 | 	{ PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_OPUS_7441,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  3 }, | 
 | 514 | 	{ PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_8111_IDE,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  4 }, | 
 | 515 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  5 }, | 
 | 516 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  6 }, | 
 | 517 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  7 }, | 
 | 518 | #ifdef CONFIG_BLK_DEV_IDE_SATA | 
 | 519 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  8 }, | 
 | 520 | #endif | 
 | 521 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  9 }, | 
 | 522 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10 }, | 
 | 523 | #ifdef CONFIG_BLK_DEV_IDE_SATA | 
 | 524 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11 }, | 
 | 525 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12 }, | 
 | 526 | #endif | 
 | 527 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13 }, | 
 | 528 | 	{ 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] | 529 | 	{ 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] | 530 | 	{ 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] | 531 | 	{ 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] | 532 | 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18 }, | 
 | 533 | 	{ PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE,		PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19 }, | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | 	{ 0, }, | 
 | 535 | }; | 
 | 536 | MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl); | 
 | 537 |  | 
 | 538 | static struct pci_driver driver = { | 
 | 539 | 	.name		= "AMD_IDE", | 
 | 540 | 	.id_table	= amd74xx_pci_tbl, | 
 | 541 | 	.probe		= amd74xx_probe, | 
 | 542 | }; | 
 | 543 |  | 
 | 544 | static int amd74xx_ide_init(void) | 
 | 545 | { | 
 | 546 | 	return ide_pci_register_driver(&driver); | 
 | 547 | } | 
 | 548 |  | 
 | 549 | module_init(amd74xx_ide_init); | 
 | 550 |  | 
 | 551 | MODULE_AUTHOR("Vojtech Pavlik"); | 
 | 552 | MODULE_DESCRIPTION("AMD PCI IDE driver"); | 
 | 553 | MODULE_LICENSE("GPL"); |