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Commit | Line | Data |
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c609719b | 1 | /* |
34c202c7 | 2 | * (C) Copyright 2000-2011 |
c609719b WD |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | /* | |
26 | * IDE support | |
27 | */ | |
113bfe48 | 28 | |
c609719b WD |
29 | #include <common.h> |
30 | #include <config.h> | |
31 | #include <watchdog.h> | |
32 | #include <command.h> | |
33 | #include <image.h> | |
34 | #include <asm/byteorder.h> | |
f98984cb | 35 | #include <asm/io.h> |
735dd97b | 36 | |
c609719b WD |
37 | #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA) |
38 | # include <pcmcia.h> | |
39 | #endif | |
735dd97b | 40 | |
c609719b WD |
41 | #include <ide.h> |
42 | #include <ata.h> | |
735dd97b | 43 | |
c609719b WD |
44 | #ifdef CONFIG_STATUS_LED |
45 | # include <status_led.h> | |
46 | #endif | |
735dd97b | 47 | |
5cf91d6b WD |
48 | #ifdef __PPC__ |
49 | # define EIEIO __asm__ volatile ("eieio") | |
1a344f29 | 50 | # define SYNC __asm__ volatile ("sync") |
5cf91d6b WD |
51 | #else |
52 | # define EIEIO /* nothing */ | |
1a344f29 | 53 | # define SYNC /* nothing */ |
c609719b WD |
54 | #endif |
55 | ||
c609719b WD |
56 | /* ------------------------------------------------------------------------- */ |
57 | ||
58 | /* Current I/O Device */ | |
59 | static int curr_device = -1; | |
60 | ||
61 | /* Current offset for IDE0 / IDE1 bus access */ | |
6d0f6bcf JCPV |
62 | ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = { |
63 | #if defined(CONFIG_SYS_ATA_IDE0_OFFSET) | |
64 | CONFIG_SYS_ATA_IDE0_OFFSET, | |
c609719b | 65 | #endif |
6d0f6bcf JCPV |
66 | #if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1) |
67 | CONFIG_SYS_ATA_IDE1_OFFSET, | |
c609719b WD |
68 | #endif |
69 | }; | |
70 | ||
6d0f6bcf | 71 | static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS]; |
c609719b | 72 | |
6d0f6bcf | 73 | block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE]; |
c609719b WD |
74 | /* ------------------------------------------------------------------------- */ |
75 | ||
c609719b WD |
76 | #ifdef CONFIG_IDE_RESET |
77 | static void ide_reset (void); | |
78 | #else | |
79 | #define ide_reset() /* dummy */ | |
80 | #endif | |
81 | ||
82 | static void ide_ident (block_dev_desc_t *dev_desc); | |
83 | static uchar ide_wait (int dev, ulong t); | |
84 | ||
85 | #define IDE_TIME_OUT 2000 /* 2 sec timeout */ | |
86 | ||
87 | #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */ | |
88 | ||
89 | #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ | |
90 | ||
c609719b WD |
91 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); |
92 | ||
6d0f6bcf JCPV |
93 | #ifndef CONFIG_SYS_ATA_PORT_ADDR |
94 | #define CONFIG_SYS_ATA_PORT_ADDR(port) (port) | |
566a494f | 95 | #endif |
c609719b WD |
96 | |
97 | #ifdef CONFIG_ATAPI | |
98 | static void atapi_inquiry(block_dev_desc_t *dev_desc); | |
b6458d38 SG |
99 | static ulong atapi_read(int device, ulong blknr, lbaint_t blkcnt, |
100 | void *buffer); | |
c609719b WD |
101 | #endif |
102 | ||
103 | ||
c609719b WD |
104 | /* ------------------------------------------------------------------------- */ |
105 | ||
34c202c7 | 106 | int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) |
c609719b | 107 | { |
34c202c7 WD |
108 | int rcode = 0; |
109 | ||
110 | switch (argc) { | |
111 | case 0: | |
112 | case 1: | |
4c12eeb8 | 113 | return CMD_RET_USAGE; |
34c202c7 WD |
114 | case 2: |
115 | if (strncmp(argv[1], "res", 3) == 0) { | |
116 | puts("\nReset IDE" | |
c609719b | 117 | #ifdef CONFIG_IDE_8xx_DIRECT |
34c202c7 | 118 | " on PCMCIA " PCMCIA_SLOT_MSG |
c609719b | 119 | #endif |
34c202c7 | 120 | ": "); |
c609719b | 121 | |
34c202c7 WD |
122 | ide_init(); |
123 | return 0; | |
124 | } else if (strncmp(argv[1], "inf", 3) == 0) { | |
125 | int i; | |
c609719b | 126 | |
34c202c7 | 127 | putc('\n'); |
c609719b | 128 | |
34c202c7 WD |
129 | for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) { |
130 | if (ide_dev_desc[i].type == DEV_TYPE_UNKNOWN) | |
131 | continue; /* list only known devices */ | |
132 | printf("IDE device %d: ", i); | |
133 | dev_print(&ide_dev_desc[i]); | |
134 | } | |
135 | return 0; | |
c609719b | 136 | |
34c202c7 WD |
137 | } else if (strncmp(argv[1], "dev", 3) == 0) { |
138 | if ((curr_device < 0) | |
139 | || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) { | |
140 | puts("\nno IDE devices available\n"); | |
141 | return 1; | |
c609719b | 142 | } |
34c202c7 WD |
143 | printf("\nIDE device %d: ", curr_device); |
144 | dev_print(&ide_dev_desc[curr_device]); | |
145 | return 0; | |
146 | } else if (strncmp(argv[1], "part", 4) == 0) { | |
147 | int dev, ok; | |
148 | ||
149 | for (ok = 0, dev = 0; | |
150 | dev < CONFIG_SYS_IDE_MAXDEVICE; | |
151 | ++dev) { | |
152 | if (ide_dev_desc[dev].part_type != | |
153 | PART_TYPE_UNKNOWN) { | |
154 | ++ok; | |
155 | if (dev) | |
156 | putc('\n'); | |
157 | print_part(&ide_dev_desc[dev]); | |
158 | } | |
159 | } | |
160 | if (!ok) { | |
161 | puts("\nno IDE devices available\n"); | |
162 | rcode++; | |
163 | } | |
164 | return rcode; | |
c609719b | 165 | } |
4c12eeb8 | 166 | return CMD_RET_USAGE; |
34c202c7 WD |
167 | case 3: |
168 | if (strncmp(argv[1], "dev", 3) == 0) { | |
169 | int dev = (int) simple_strtoul(argv[2], NULL, 10); | |
c609719b | 170 | |
34c202c7 WD |
171 | printf("\nIDE device %d: ", dev); |
172 | if (dev >= CONFIG_SYS_IDE_MAXDEVICE) { | |
173 | puts("unknown device\n"); | |
174 | return 1; | |
175 | } | |
176 | dev_print(&ide_dev_desc[dev]); | |
177 | /*ide_print (dev); */ | |
c609719b | 178 | |
34c202c7 WD |
179 | if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) |
180 | return 1; | |
c609719b | 181 | |
34c202c7 | 182 | curr_device = dev; |
c609719b | 183 | |
34c202c7 WD |
184 | puts("... is now current device\n"); |
185 | ||
186 | return 0; | |
187 | } else if (strncmp(argv[1], "part", 4) == 0) { | |
188 | int dev = (int) simple_strtoul(argv[2], NULL, 10); | |
c609719b | 189 | |
34c202c7 | 190 | if (ide_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) { |
c609719b | 191 | print_part(&ide_dev_desc[dev]); |
34c202c7 WD |
192 | } else { |
193 | printf("\nIDE device %d not available\n", | |
194 | dev); | |
195 | rcode = 1; | |
196 | } | |
197 | return rcode; | |
c609719b | 198 | } |
c609719b | 199 | |
4c12eeb8 | 200 | return CMD_RET_USAGE; |
34c202c7 WD |
201 | default: |
202 | /* at least 4 args */ | |
c609719b | 203 | |
34c202c7 WD |
204 | if (strcmp(argv[1], "read") == 0) { |
205 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
206 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
207 | ulong n; | |
c609719b | 208 | |
6d0f6bcf | 209 | #ifdef CONFIG_SYS_64BIT_LBA |
34c202c7 | 210 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); |
c609719b | 211 | |
34c202c7 WD |
212 | printf("\nIDE read: device %d block # %lld, count %ld ... ", |
213 | curr_device, blk, cnt); | |
42dfe7a1 | 214 | #else |
34c202c7 WD |
215 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); |
216 | ||
217 | printf("\nIDE read: device %d block # %ld, count %ld ... ", | |
218 | curr_device, blk, cnt); | |
219 | #endif | |
220 | ||
221 | n = ide_dev_desc[curr_device].block_read(curr_device, | |
222 | blk, cnt, | |
223 | (ulong *)addr); | |
224 | /* flush cache after read */ | |
225 | flush_cache(addr, | |
226 | cnt * ide_dev_desc[curr_device].blksz); | |
227 | ||
228 | printf("%ld blocks read: %s\n", | |
229 | n, (n == cnt) ? "OK" : "ERROR"); | |
230 | if (n == cnt) | |
231 | return 0; | |
232 | else | |
233 | return 1; | |
234 | } else if (strcmp(argv[1], "write") == 0) { | |
235 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
236 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
237 | ulong n; | |
c609719b | 238 | |
6d0f6bcf | 239 | #ifdef CONFIG_SYS_64BIT_LBA |
34c202c7 | 240 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); |
c609719b | 241 | |
34c202c7 WD |
242 | printf("\nIDE write: device %d block # %lld, count %ld ... ", |
243 | curr_device, blk, cnt); | |
42dfe7a1 | 244 | #else |
34c202c7 | 245 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); |
42dfe7a1 | 246 | |
34c202c7 WD |
247 | printf("\nIDE write: device %d block # %ld, count %ld ... ", |
248 | curr_device, blk, cnt); | |
42dfe7a1 | 249 | #endif |
34c202c7 | 250 | n = ide_write(curr_device, blk, cnt, (ulong *) addr); |
c609719b | 251 | |
34c202c7 WD |
252 | printf("%ld blocks written: %s\n", |
253 | n, (n == cnt) ? "OK" : "ERROR"); | |
254 | if (n == cnt) | |
255 | return 0; | |
256 | else | |
257 | return 1; | |
258 | } else { | |
4c12eeb8 | 259 | return CMD_RET_USAGE; |
34c202c7 | 260 | } |
c609719b | 261 | |
34c202c7 | 262 | return rcode; |
c609719b | 263 | } |
c609719b WD |
264 | } |
265 | ||
34c202c7 | 266 | int do_diskboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) |
c609719b | 267 | { |
7405a133 | 268 | return common_diskboot(cmdtp, "ide", argc, argv); |
c609719b WD |
269 | } |
270 | ||
271 | /* ------------------------------------------------------------------------- */ | |
272 | ||
19be2ea2 PH |
273 | void __ide_led(uchar led, uchar status) |
274 | { | |
275 | #if defined(CONFIG_IDE_LED) && defined(PER8_BASE) /* required by LED_PORT */ | |
276 | static uchar led_buffer; /* Buffer for current LED status */ | |
277 | ||
278 | uchar *led_port = LED_PORT; | |
279 | ||
280 | if (status) /* switch LED on */ | |
281 | led_buffer |= led; | |
282 | else /* switch LED off */ | |
283 | led_buffer &= ~led; | |
284 | ||
285 | *led_port = led_buffer; | |
286 | #endif | |
287 | } | |
288 | ||
289 | void ide_led(uchar led, uchar status) | |
290 | __attribute__ ((weak, alias("__ide_led"))); | |
291 | ||
292 | #ifndef CONFIG_IDE_LED /* define LED macros, they are not used anyways */ | |
293 | # define DEVICE_LED(x) 0 | |
294 | # define LED_IDE1 1 | |
295 | # define LED_IDE2 2 | |
296 | #endif | |
297 | ||
298 | /* ------------------------------------------------------------------------- */ | |
299 | ||
34c202c7 | 300 | inline void __ide_outb(int dev, int port, unsigned char val) |
f2302d44 | 301 | { |
34c202c7 WD |
302 | debug("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n", |
303 | dev, port, val, | |
304 | (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); | |
0abddf82 ML |
305 | |
306 | #if defined(CONFIG_IDE_AHB) | |
307 | if (port) { | |
308 | /* write command */ | |
309 | ide_write_register(dev, port, val); | |
310 | } else { | |
311 | /* write data */ | |
312 | outb(val, (ATA_CURR_BASE(dev))); | |
313 | } | |
314 | #else | |
34c202c7 | 315 | outb(val, (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); |
0abddf82 | 316 | #endif |
f2302d44 | 317 | } |
0abddf82 | 318 | |
34c202c7 WD |
319 | void ide_outb(int dev, int port, unsigned char val) |
320 | __attribute__ ((weak, alias("__ide_outb"))); | |
f2302d44 | 321 | |
34c202c7 | 322 | inline unsigned char __ide_inb(int dev, int port) |
f2302d44 SR |
323 | { |
324 | uchar val; | |
0abddf82 ML |
325 | |
326 | #if defined(CONFIG_IDE_AHB) | |
327 | val = ide_read_register(dev, port); | |
328 | #else | |
34c202c7 | 329 | val = inb((ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); |
0abddf82 ML |
330 | #endif |
331 | ||
34c202c7 WD |
332 | debug("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n", |
333 | dev, port, | |
334 | (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)), val); | |
f2302d44 SR |
335 | return val; |
336 | } | |
34c202c7 | 337 | |
2df72b82 | 338 | unsigned char ide_inb(int dev, int port) |
34c202c7 | 339 | __attribute__ ((weak, alias("__ide_inb"))); |
f2302d44 | 340 | |
36c2d306 | 341 | #ifdef CONFIG_TUNE_PIO |
34c202c7 | 342 | inline int __ide_set_piomode(int pio_mode) |
36c2d306 SF |
343 | { |
344 | return 0; | |
345 | } | |
34c202c7 WD |
346 | |
347 | inline int ide_set_piomode(int pio_mode) | |
348 | __attribute__ ((weak, alias("__ide_set_piomode"))); | |
36c2d306 SF |
349 | #endif |
350 | ||
34c202c7 | 351 | void ide_init(void) |
c609719b | 352 | { |
c609719b WD |
353 | unsigned char c; |
354 | int i, bus; | |
34c202c7 | 355 | |
9fd5e31f | 356 | #ifdef CONFIG_IDE_8xx_PCCARD |
34c202c7 WD |
357 | extern int ide_devices_found; /* Initialized in check_ide_device() */ |
358 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
9fd5e31f WD |
359 | |
360 | #ifdef CONFIG_IDE_PREINIT | |
361 | WATCHDOG_RESET(); | |
362 | ||
34c202c7 WD |
363 | if (ide_preinit()) { |
364 | puts("ide_preinit failed\n"); | |
9fd5e31f WD |
365 | return; |
366 | } | |
34c202c7 | 367 | #endif /* CONFIG_IDE_PREINIT */ |
c609719b | 368 | |
c609719b WD |
369 | WATCHDOG_RESET(); |
370 | ||
34c202c7 WD |
371 | /* |
372 | * Reset the IDE just to be sure. | |
c609719b WD |
373 | * Light LED's to show |
374 | */ | |
34c202c7 WD |
375 | ide_led((LED_IDE1 | LED_IDE2), 1); /* LED's on */ |
376 | ||
377 | /* ATAPI Drives seems to need a proper IDE Reset */ | |
378 | ide_reset(); | |
c609719b | 379 | |
8d1165e1 PH |
380 | #ifdef CONFIG_IDE_INIT_POSTRESET |
381 | WATCHDOG_RESET(); | |
c609719b | 382 | |
8d1165e1 PH |
383 | if (ide_init_postreset()) { |
384 | puts("ide_preinit_postreset failed\n"); | |
385 | return; | |
386 | } | |
387 | #endif /* CONFIG_IDE_INIT_POSTRESET */ | |
c609719b WD |
388 | |
389 | /* | |
390 | * Wait for IDE to get ready. | |
391 | * According to spec, this can take up to 31 seconds! | |
392 | */ | |
34c202c7 WD |
393 | for (bus = 0; bus < CONFIG_SYS_IDE_MAXBUS; ++bus) { |
394 | int dev = | |
395 | bus * (CONFIG_SYS_IDE_MAXDEVICE / | |
396 | CONFIG_SYS_IDE_MAXBUS); | |
c609719b | 397 | |
6069ff26 WD |
398 | #ifdef CONFIG_IDE_8xx_PCCARD |
399 | /* Skip non-ide devices from probing */ | |
400 | if ((ide_devices_found & (1 << bus)) == 0) { | |
34c202c7 | 401 | ide_led((LED_IDE1 | LED_IDE2), 0); /* LED's off */ |
6069ff26 WD |
402 | continue; |
403 | } | |
404 | #endif | |
34c202c7 | 405 | printf("Bus %d: ", bus); |
c609719b WD |
406 | |
407 | ide_bus_ok[bus] = 0; | |
408 | ||
409 | /* Select device | |
410 | */ | |
34c202c7 WD |
411 | udelay(100000); /* 100 ms */ |
412 | ide_outb(dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); | |
413 | udelay(100000); /* 100 ms */ | |
c609719b WD |
414 | i = 0; |
415 | do { | |
34c202c7 | 416 | udelay(10000); /* 10 ms */ |
c609719b | 417 | |
34c202c7 | 418 | c = ide_inb(dev, ATA_STATUS); |
c609719b WD |
419 | i++; |
420 | if (i > (ATA_RESET_TIME * 100)) { | |
34c202c7 WD |
421 | puts("** Timeout **\n"); |
422 | /* LED's off */ | |
423 | ide_led((LED_IDE1 | LED_IDE2), 0); | |
c609719b WD |
424 | return; |
425 | } | |
34c202c7 WD |
426 | if ((i >= 100) && ((i % 100) == 0)) |
427 | putc('.'); | |
428 | ||
c609719b WD |
429 | } while (c & ATA_STAT_BUSY); |
430 | ||
431 | if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { | |
34c202c7 WD |
432 | puts("not available "); |
433 | debug("Status = 0x%02X ", c); | |
434 | #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ | |
435 | } else if ((c & ATA_STAT_READY) == 0) { | |
436 | puts("not available "); | |
437 | debug("Status = 0x%02X ", c); | |
c609719b WD |
438 | #endif |
439 | } else { | |
34c202c7 | 440 | puts("OK "); |
c609719b WD |
441 | ide_bus_ok[bus] = 1; |
442 | } | |
443 | WATCHDOG_RESET(); | |
444 | } | |
c7de829c | 445 | |
34c202c7 | 446 | putc('\n'); |
c609719b | 447 | |
34c202c7 | 448 | ide_led((LED_IDE1 | LED_IDE2), 0); /* LED's off */ |
c609719b WD |
449 | |
450 | curr_device = -1; | |
34c202c7 | 451 | for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) { |
c609719b | 452 | int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; |
34c202c7 WD |
453 | ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; |
454 | ide_dev_desc[i].if_type = IF_TYPE_IDE; | |
455 | ide_dev_desc[i].dev = i; | |
456 | ide_dev_desc[i].part_type = PART_TYPE_UNKNOWN; | |
457 | ide_dev_desc[i].blksz = 0; | |
0472fbfd EE |
458 | ide_dev_desc[i].log2blksz = |
459 | LOG2_INVALID(typeof(ide_dev_desc[i].log2blksz)); | |
34c202c7 WD |
460 | ide_dev_desc[i].lba = 0; |
461 | ide_dev_desc[i].block_read = ide_read; | |
0abddf82 | 462 | ide_dev_desc[i].block_write = ide_write; |
c609719b WD |
463 | if (!ide_bus_ok[IDE_BUS(i)]) |
464 | continue; | |
34c202c7 | 465 | ide_led(led, 1); /* LED on */ |
c609719b | 466 | ide_ident(&ide_dev_desc[i]); |
34c202c7 | 467 | ide_led(led, 0); /* LED off */ |
c609719b | 468 | dev_print(&ide_dev_desc[i]); |
34c202c7 | 469 | |
c609719b | 470 | if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { |
34c202c7 WD |
471 | /* initialize partition type */ |
472 | init_part(&ide_dev_desc[i]); | |
c609719b WD |
473 | if (curr_device < 0) |
474 | curr_device = i; | |
475 | } | |
476 | } | |
477 | WATCHDOG_RESET(); | |
478 | } | |
479 | ||
480 | /* ------------------------------------------------------------------------- */ | |
481 | ||
df3fc526 | 482 | #ifdef CONFIG_PARTITIONS |
34c202c7 | 483 | block_dev_desc_t *ide_get_dev(int dev) |
c609719b | 484 | { |
6d0f6bcf | 485 | return (dev < CONFIG_SYS_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL; |
c609719b | 486 | } |
df3fc526 | 487 | #endif |
c609719b | 488 | |
c609719b WD |
489 | /* ------------------------------------------------------------------------- */ |
490 | ||
f5b82c0f PH |
491 | void ide_input_swap_data(int dev, ulong *sect_buf, int words) |
492 | __attribute__ ((weak, alias("__ide_input_swap_data"))); | |
493 | ||
494 | void ide_input_data(int dev, ulong *sect_buf, int words) | |
495 | __attribute__ ((weak, alias("__ide_input_data"))); | |
496 | ||
497 | void ide_output_data(int dev, const ulong *sect_buf, int words) | |
498 | __attribute__ ((weak, alias("__ide_output_data"))); | |
499 | ||
5da627a4 | 500 | /* We only need to swap data if we are running on a big endian cpu. */ |
4d1361d8 | 501 | #if defined(__LITTLE_ENDIAN) |
f5b82c0f PH |
502 | void __ide_input_swap_data(int dev, ulong *sect_buf, int words) |
503 | { | |
504 | ide_input_data(dev, sect_buf, words); | |
505 | } | |
5da627a4 | 506 | #else |
f5b82c0f | 507 | void __ide_input_swap_data(int dev, ulong *sect_buf, int words) |
c609719b | 508 | { |
34c202c7 WD |
509 | volatile ushort *pbuf = |
510 | (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); | |
511 | ushort *dbuf = (ushort *) sect_buf; | |
1a344f29 | 512 | |
34c202c7 WD |
513 | debug("in input swap data base for read is %lx\n", |
514 | (unsigned long) pbuf); | |
1a344f29 WD |
515 | |
516 | while (words--) { | |
0c32d96d | 517 | #ifdef __MIPS__ |
34c202c7 WD |
518 | *dbuf++ = swab16p((u16 *) pbuf); |
519 | *dbuf++ = swab16p((u16 *) pbuf); | |
0c32d96d | 520 | #else |
1a344f29 WD |
521 | *dbuf++ = ld_le16(pbuf); |
522 | *dbuf++ = ld_le16(pbuf); | |
0c32d96d | 523 | #endif /* !MIPS */ |
1a344f29 | 524 | } |
c609719b | 525 | } |
4d1361d8 | 526 | #endif /* __LITTLE_ENDIAN */ |
2262cfee WD |
527 | |
528 | ||
f2a37fcd | 529 | #if defined(CONFIG_IDE_SWAP_IO) |
f5b82c0f | 530 | void __ide_output_data(int dev, const ulong *sect_buf, int words) |
c609719b | 531 | { |
34c202c7 WD |
532 | ushort *dbuf; |
533 | volatile ushort *pbuf; | |
1a344f29 | 534 | |
34c202c7 WD |
535 | pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); |
536 | dbuf = (ushort *) sect_buf; | |
1a344f29 WD |
537 | while (words--) { |
538 | EIEIO; | |
539 | *pbuf = *dbuf++; | |
540 | EIEIO; | |
541 | *pbuf = *dbuf++; | |
542 | } | |
c609719b | 543 | } |
34c202c7 | 544 | #else /* ! CONFIG_IDE_SWAP_IO */ |
f5b82c0f | 545 | void __ide_output_data(int dev, const ulong *sect_buf, int words) |
2262cfee | 546 | { |
0abddf82 ML |
547 | #if defined(CONFIG_IDE_AHB) |
548 | ide_write_data(dev, sect_buf, words); | |
549 | #else | |
34c202c7 | 550 | outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1); |
0abddf82 | 551 | #endif |
2262cfee | 552 | } |
34c202c7 | 553 | #endif /* CONFIG_IDE_SWAP_IO */ |
c609719b | 554 | |
f2a37fcd | 555 | #if defined(CONFIG_IDE_SWAP_IO) |
f5b82c0f | 556 | void __ide_input_data(int dev, ulong *sect_buf, int words) |
c609719b | 557 | { |
34c202c7 WD |
558 | ushort *dbuf; |
559 | volatile ushort *pbuf; | |
1a344f29 | 560 | |
34c202c7 WD |
561 | pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); |
562 | dbuf = (ushort *) sect_buf; | |
1a344f29 WD |
563 | |
564 | debug("in input data base for read is %lx\n", (unsigned long) pbuf); | |
565 | ||
566 | while (words--) { | |
cd172b71 | 567 | EIEIO; |
1a344f29 | 568 | *dbuf++ = *pbuf; |
cd172b71 | 569 | EIEIO; |
1a344f29 | 570 | *dbuf++ = *pbuf; |
a522fa0e | 571 | } |
c609719b | 572 | } |
34c202c7 | 573 | #else /* ! CONFIG_IDE_SWAP_IO */ |
f5b82c0f | 574 | void __ide_input_data(int dev, ulong *sect_buf, int words) |
2262cfee | 575 | { |
0abddf82 ML |
576 | #if defined(CONFIG_IDE_AHB) |
577 | ide_read_data(dev, sect_buf, words); | |
578 | #else | |
34c202c7 | 579 | insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1); |
0abddf82 | 580 | #endif |
2262cfee WD |
581 | } |
582 | ||
34c202c7 | 583 | #endif /* CONFIG_IDE_SWAP_IO */ |
c609719b WD |
584 | |
585 | /* ------------------------------------------------------------------------- | |
586 | */ | |
34c202c7 | 587 | static void ide_ident(block_dev_desc_t *dev_desc) |
c609719b | 588 | { |
c609719b | 589 | unsigned char c; |
b18eabfa | 590 | hd_driveid_t iop; |
c609719b | 591 | |
64f70bed WD |
592 | #ifdef CONFIG_ATAPI |
593 | int retries = 0; | |
c7de829c WD |
594 | #endif |
595 | ||
36c2d306 SF |
596 | #ifdef CONFIG_TUNE_PIO |
597 | int pio_mode; | |
598 | #endif | |
599 | ||
c609719b WD |
600 | #if 0 |
601 | int mode, cycle_time; | |
602 | #endif | |
603 | int device; | |
c609719b | 604 | |
34c202c7 WD |
605 | device = dev_desc->dev; |
606 | printf(" Device %d: ", device); | |
607 | ||
608 | ide_led(DEVICE_LED(device), 1); /* LED on */ | |
c609719b WD |
609 | /* Select device |
610 | */ | |
34c202c7 WD |
611 | ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
612 | dev_desc->if_type = IF_TYPE_IDE; | |
c609719b | 613 | #ifdef CONFIG_ATAPI |
c7de829c | 614 | |
34c202c7 WD |
615 | retries = 0; |
616 | ||
617 | /* Warning: This will be tricky to read */ | |
618 | while (retries <= 1) { | |
619 | /* check signature */ | |
620 | if ((ide_inb(device, ATA_SECT_CNT) == 0x01) && | |
621 | (ide_inb(device, ATA_SECT_NUM) == 0x01) && | |
622 | (ide_inb(device, ATA_CYL_LOW) == 0x14) && | |
623 | (ide_inb(device, ATA_CYL_HIGH) == 0xEB)) { | |
624 | /* ATAPI Signature found */ | |
625 | dev_desc->if_type = IF_TYPE_ATAPI; | |
626 | /* | |
627 | * Start Ident Command | |
628 | */ | |
629 | ide_outb(device, ATA_COMMAND, ATAPI_CMD_IDENT); | |
630 | /* | |
631 | * Wait for completion - ATAPI devices need more time | |
632 | * to become ready | |
633 | */ | |
634 | c = ide_wait(device, ATAPI_TIME_OUT); | |
635 | } else | |
c609719b | 636 | #endif |
1a344f29 | 637 | { |
34c202c7 WD |
638 | /* |
639 | * Start Ident Command | |
640 | */ | |
641 | ide_outb(device, ATA_COMMAND, ATA_CMD_IDENT); | |
642 | ||
643 | /* | |
644 | * Wait for completion | |
645 | */ | |
646 | c = ide_wait(device, IDE_TIME_OUT); | |
1a344f29 | 647 | } |
34c202c7 WD |
648 | ide_led(DEVICE_LED(device), 0); /* LED off */ |
649 | ||
650 | if (((c & ATA_STAT_DRQ) == 0) || | |
651 | ((c & (ATA_STAT_FAULT | ATA_STAT_ERR)) != 0)) { | |
652 | #ifdef CONFIG_ATAPI | |
653 | { | |
654 | /* | |
655 | * Need to soft reset the device | |
656 | * in case it's an ATAPI... | |
657 | */ | |
658 | debug("Retrying...\n"); | |
659 | ide_outb(device, ATA_DEV_HD, | |
660 | ATA_LBA | ATA_DEVICE(device)); | |
661 | udelay(100000); | |
662 | ide_outb(device, ATA_COMMAND, 0x08); | |
663 | udelay(500000); /* 500 ms */ | |
664 | } | |
665 | /* | |
666 | * Select device | |
667 | */ | |
668 | ide_outb(device, ATA_DEV_HD, | |
669 | ATA_LBA | ATA_DEVICE(device)); | |
670 | retries++; | |
64f70bed | 671 | #else |
34c202c7 | 672 | return; |
64f70bed | 673 | #endif |
34c202c7 | 674 | } |
64f70bed | 675 | #ifdef CONFIG_ATAPI |
34c202c7 WD |
676 | else |
677 | break; | |
678 | } /* see above - ugly to read */ | |
64f70bed | 679 | |
34c202c7 | 680 | if (retries == 2) /* Not found */ |
64f70bed WD |
681 | return; |
682 | #endif | |
c609719b | 683 | |
f5b82c0f | 684 | ide_input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS); |
c609719b | 685 | |
34c202c7 WD |
686 | ident_cpy((unsigned char *) dev_desc->revision, iop.fw_rev, |
687 | sizeof(dev_desc->revision)); | |
688 | ident_cpy((unsigned char *) dev_desc->vendor, iop.model, | |
689 | sizeof(dev_desc->vendor)); | |
690 | ident_cpy((unsigned char *) dev_desc->product, iop.serial_no, | |
691 | sizeof(dev_desc->product)); | |
c3f9d493 WD |
692 | #ifdef __LITTLE_ENDIAN |
693 | /* | |
bcdf1d2c RR |
694 | * firmware revision, model, and serial number have Big Endian Byte |
695 | * order in Word. Convert all three to little endian. | |
c3f9d493 WD |
696 | * |
697 | * See CF+ and CompactFlash Specification Revision 2.0: | |
bcdf1d2c | 698 | * 6.2.1.6: Identify Drive, Table 39 for more details |
c3f9d493 WD |
699 | */ |
700 | ||
34c202c7 WD |
701 | strswab(dev_desc->revision); |
702 | strswab(dev_desc->vendor); | |
703 | strswab(dev_desc->product); | |
c3f9d493 | 704 | #endif /* __LITTLE_ENDIAN */ |
c609719b | 705 | |
b18eabfa | 706 | if ((iop.config & 0x0080) == 0x0080) |
c609719b WD |
707 | dev_desc->removable = 1; |
708 | else | |
709 | dev_desc->removable = 0; | |
710 | ||
36c2d306 SF |
711 | #ifdef CONFIG_TUNE_PIO |
712 | /* Mode 0 - 2 only, are directly determined by word 51. */ | |
b18eabfa | 713 | pio_mode = iop.tPIO; |
36c2d306 SF |
714 | if (pio_mode > 2) { |
715 | printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode); | |
34c202c7 WD |
716 | /* Force it to dead slow, and hope for the best... */ |
717 | pio_mode = 0; | |
36c2d306 SF |
718 | } |
719 | ||
720 | /* Any CompactFlash Storage Card that supports PIO mode 3 or above | |
721 | * shall set bit 1 of word 53 to one and support the fields contained | |
722 | * in words 64 through 70. | |
723 | */ | |
b18eabfa | 724 | if (iop.field_valid & 0x02) { |
34c202c7 WD |
725 | /* |
726 | * Mode 3 and above are possible. Check in order from slow | |
36c2d306 SF |
727 | * to fast, so we wind up with the highest mode allowed. |
728 | */ | |
b18eabfa | 729 | if (iop.eide_pio_modes & 0x01) |
36c2d306 | 730 | pio_mode = 3; |
b18eabfa | 731 | if (iop.eide_pio_modes & 0x02) |
36c2d306 | 732 | pio_mode = 4; |
b18eabfa MV |
733 | if (ata_id_is_cfa((u16 *)&iop)) { |
734 | if ((iop.cf_advanced_caps & 0x07) == 0x01) | |
36c2d306 | 735 | pio_mode = 5; |
b18eabfa | 736 | if ((iop.cf_advanced_caps & 0x07) == 0x02) |
36c2d306 SF |
737 | pio_mode = 6; |
738 | } | |
739 | } | |
740 | ||
741 | /* System-specific, depends on bus speeds, etc. */ | |
742 | ide_set_piomode(pio_mode); | |
743 | #endif /* CONFIG_TUNE_PIO */ | |
744 | ||
c609719b WD |
745 | #if 0 |
746 | /* | |
747 | * Drive PIO mode autoselection | |
748 | */ | |
b18eabfa | 749 | mode = iop.tPIO; |
c609719b | 750 | |
34c202c7 | 751 | printf("tPIO = 0x%02x = %d\n", mode, mode); |
c609719b WD |
752 | if (mode > 2) { /* 2 is maximum allowed tPIO value */ |
753 | mode = 2; | |
34c202c7 | 754 | debug("Override tPIO -> 2\n"); |
c609719b | 755 | } |
b18eabfa | 756 | if (iop.field_valid & 2) { /* drive implements ATA2? */ |
34c202c7 | 757 | debug("Drive implements ATA2\n"); |
b18eabfa MV |
758 | if (iop.capability & 8) { /* drive supports use_iordy? */ |
759 | cycle_time = iop.eide_pio_iordy; | |
c609719b | 760 | } else { |
b18eabfa | 761 | cycle_time = iop.eide_pio; |
c609719b | 762 | } |
34c202c7 | 763 | debug("cycle time = %d\n", cycle_time); |
c609719b | 764 | mode = 4; |
34c202c7 WD |
765 | if (cycle_time > 120) |
766 | mode = 3; /* 120 ns for PIO mode 4 */ | |
767 | if (cycle_time > 180) | |
768 | mode = 2; /* 180 ns for PIO mode 3 */ | |
769 | if (cycle_time > 240) | |
770 | mode = 1; /* 240 ns for PIO mode 4 */ | |
771 | if (cycle_time > 383) | |
772 | mode = 0; /* 383 ns for PIO mode 4 */ | |
c609719b | 773 | } |
34c202c7 | 774 | printf("PIO mode to use: PIO %d\n", mode); |
c609719b WD |
775 | #endif /* 0 */ |
776 | ||
777 | #ifdef CONFIG_ATAPI | |
34c202c7 | 778 | if (dev_desc->if_type == IF_TYPE_ATAPI) { |
c609719b WD |
779 | atapi_inquiry(dev_desc); |
780 | return; | |
781 | } | |
782 | #endif /* CONFIG_ATAPI */ | |
783 | ||
c3f9d493 | 784 | #ifdef __BIG_ENDIAN |
c609719b | 785 | /* swap shorts */ |
b18eabfa | 786 | dev_desc->lba = (iop.lba_capacity << 16) | (iop.lba_capacity >> 16); |
34c202c7 | 787 | #else /* ! __BIG_ENDIAN */ |
c3f9d493 WD |
788 | /* |
789 | * do not swap shorts on little endian | |
790 | * | |
791 | * See CF+ and CompactFlash Specification Revision 2.0: | |
792 | * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details. | |
793 | */ | |
b18eabfa | 794 | dev_desc->lba = iop.lba_capacity; |
34c202c7 | 795 | #endif /* __BIG_ENDIAN */ |
c40b2956 | 796 | |
42dfe7a1 | 797 | #ifdef CONFIG_LBA48 |
34c202c7 | 798 | if (iop.command_set_2 & 0x0400) { /* LBA 48 support */ |
6e592385 | 799 | dev_desc->lba48 = 1; |
34c202c7 WD |
800 | dev_desc->lba = (unsigned long long) iop.lba48_capacity[0] | |
801 | ((unsigned long long) iop.lba48_capacity[1] << 16) | | |
802 | ((unsigned long long) iop.lba48_capacity[2] << 32) | | |
803 | ((unsigned long long) iop.lba48_capacity[3] << 48); | |
c40b2956 | 804 | } else { |
c40b2956 WD |
805 | dev_desc->lba48 = 0; |
806 | } | |
807 | #endif /* CONFIG_LBA48 */ | |
c609719b | 808 | /* assuming HD */ |
34c202c7 WD |
809 | dev_desc->type = DEV_TYPE_HARDDISK; |
810 | dev_desc->blksz = ATA_BLOCKSIZE; | |
0472fbfd | 811 | dev_desc->log2blksz = LOG2(dev_desc->blksz); |
34c202c7 WD |
812 | dev_desc->lun = 0; /* just to fill something in... */ |
813 | ||
814 | #if 0 /* only used to test the powersaving mode, | |
815 | * if enabled, the drive goes after 5 sec | |
816 | * in standby mode */ | |
817 | ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
818 | c = ide_wait(device, IDE_TIME_OUT); | |
819 | ide_outb(device, ATA_SECT_CNT, 1); | |
820 | ide_outb(device, ATA_LBA_LOW, 0); | |
821 | ide_outb(device, ATA_LBA_MID, 0); | |
822 | ide_outb(device, ATA_LBA_HIGH, 0); | |
823 | ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
824 | ide_outb(device, ATA_COMMAND, 0xe3); | |
825 | udelay(50); | |
826 | c = ide_wait(device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
c609719b WD |
827 | #endif |
828 | } | |
829 | ||
830 | ||
831 | /* ------------------------------------------------------------------------- */ | |
832 | ||
b6458d38 | 833 | ulong ide_read(int device, ulong blknr, lbaint_t blkcnt, void *buffer) |
c609719b WD |
834 | { |
835 | ulong n = 0; | |
836 | unsigned char c; | |
34c202c7 WD |
837 | unsigned char pwrsave = 0; /* power save */ |
838 | ||
42dfe7a1 | 839 | #ifdef CONFIG_LBA48 |
c40b2956 | 840 | unsigned char lba48 = 0; |
c609719b | 841 | |
413bf586 | 842 | if (blknr & 0x0000fffff0000000ULL) { |
c40b2956 WD |
843 | /* more than 28 bits used, use 48bit mode */ |
844 | lba48 = 1; | |
845 | } | |
846 | #endif | |
b6458d38 | 847 | debug("ide_read dev %d start %lX, blocks " LBAF " buffer at %lX\n", |
34c202c7 | 848 | device, blknr, blkcnt, (ulong) buffer); |
c609719b | 849 | |
34c202c7 | 850 | ide_led(DEVICE_LED(device), 1); /* LED on */ |
c609719b WD |
851 | |
852 | /* Select device | |
853 | */ | |
34c202c7 WD |
854 | ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
855 | c = ide_wait(device, IDE_TIME_OUT); | |
c609719b WD |
856 | |
857 | if (c & ATA_STAT_BUSY) { | |
34c202c7 | 858 | printf("IDE read: device %d not ready\n", device); |
c609719b WD |
859 | goto IDE_READ_E; |
860 | } | |
861 | ||
862 | /* first check if the drive is in Powersaving mode, if yes, | |
863 | * increase the timeout value */ | |
34c202c7 WD |
864 | ide_outb(device, ATA_COMMAND, ATA_CMD_CHK_PWR); |
865 | udelay(50); | |
c609719b | 866 | |
34c202c7 | 867 | c = ide_wait(device, IDE_TIME_OUT); /* can't take over 500 ms */ |
c609719b WD |
868 | |
869 | if (c & ATA_STAT_BUSY) { | |
34c202c7 | 870 | printf("IDE read: device %d not ready\n", device); |
c609719b WD |
871 | goto IDE_READ_E; |
872 | } | |
873 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
34c202c7 | 874 | printf("No Powersaving mode %X\n", c); |
c609719b | 875 | } else { |
34c202c7 WD |
876 | c = ide_inb(device, ATA_SECT_CNT); |
877 | debug("Powersaving %02X\n", c); | |
878 | if (c == 0) | |
879 | pwrsave = 1; | |
c609719b WD |
880 | } |
881 | ||
882 | ||
883 | while (blkcnt-- > 0) { | |
884 | ||
34c202c7 | 885 | c = ide_wait(device, IDE_TIME_OUT); |
c609719b WD |
886 | |
887 | if (c & ATA_STAT_BUSY) { | |
34c202c7 | 888 | printf("IDE read: device %d not ready\n", device); |
c609719b WD |
889 | break; |
890 | } | |
42dfe7a1 | 891 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
892 | if (lba48) { |
893 | /* write high bits */ | |
34c202c7 WD |
894 | ide_outb(device, ATA_SECT_CNT, 0); |
895 | ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
6d0f6bcf | 896 | #ifdef CONFIG_SYS_64BIT_LBA |
34c202c7 WD |
897 | ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF); |
898 | ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
413bf586 | 899 | #else |
34c202c7 WD |
900 | ide_outb(device, ATA_LBA_MID, 0); |
901 | ide_outb(device, ATA_LBA_HIGH, 0); | |
413bf586 | 902 | #endif |
c40b2956 WD |
903 | } |
904 | #endif | |
34c202c7 WD |
905 | ide_outb(device, ATA_SECT_CNT, 1); |
906 | ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
907 | ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
908 | ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 909 | |
42dfe7a1 | 910 | #ifdef CONFIG_LBA48 |
c40b2956 | 911 | if (lba48) { |
34c202c7 WD |
912 | ide_outb(device, ATA_DEV_HD, |
913 | ATA_LBA | ATA_DEVICE(device)); | |
914 | ide_outb(device, ATA_COMMAND, ATA_CMD_READ_EXT); | |
c40b2956 WD |
915 | |
916 | } else | |
917 | #endif | |
918 | { | |
34c202c7 WD |
919 | ide_outb(device, ATA_DEV_HD, ATA_LBA | |
920 | ATA_DEVICE(device) | ((blknr >> 24) & 0xF)); | |
921 | ide_outb(device, ATA_COMMAND, ATA_CMD_READ); | |
c40b2956 | 922 | } |
c609719b | 923 | |
34c202c7 | 924 | udelay(50); |
c609719b | 925 | |
34c202c7 WD |
926 | if (pwrsave) { |
927 | /* may take up to 4 sec */ | |
928 | c = ide_wait(device, IDE_SPIN_UP_TIME_OUT); | |
929 | pwrsave = 0; | |
c609719b | 930 | } else { |
34c202c7 WD |
931 | /* can't take over 500 ms */ |
932 | c = ide_wait(device, IDE_TIME_OUT); | |
c609719b WD |
933 | } |
934 | ||
34c202c7 WD |
935 | if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) != |
936 | ATA_STAT_DRQ) { | |
b6458d38 | 937 | printf("Error (no IRQ) dev %d blk %ld: status %#02x\n", |
c609719b WD |
938 | device, blknr, c); |
939 | break; | |
940 | } | |
941 | ||
f5b82c0f | 942 | ide_input_data(device, buffer, ATA_SECTORWORDS); |
34c202c7 | 943 | (void) ide_inb(device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
944 | |
945 | ++n; | |
946 | ++blknr; | |
0b94504d | 947 | buffer += ATA_BLOCKSIZE; |
c609719b WD |
948 | } |
949 | IDE_READ_E: | |
34c202c7 | 950 | ide_led(DEVICE_LED(device), 0); /* LED off */ |
c609719b WD |
951 | return (n); |
952 | } | |
953 | ||
954 | /* ------------------------------------------------------------------------- */ | |
955 | ||
956 | ||
b6458d38 | 957 | ulong ide_write(int device, ulong blknr, lbaint_t blkcnt, const void *buffer) |
c609719b WD |
958 | { |
959 | ulong n = 0; | |
960 | unsigned char c; | |
34c202c7 | 961 | |
42dfe7a1 | 962 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
963 | unsigned char lba48 = 0; |
964 | ||
413bf586 | 965 | if (blknr & 0x0000fffff0000000ULL) { |
c40b2956 WD |
966 | /* more than 28 bits used, use 48bit mode */ |
967 | lba48 = 1; | |
968 | } | |
969 | #endif | |
c609719b | 970 | |
34c202c7 | 971 | ide_led(DEVICE_LED(device), 1); /* LED on */ |
c609719b WD |
972 | |
973 | /* Select device | |
974 | */ | |
34c202c7 | 975 | ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
976 | |
977 | while (blkcnt-- > 0) { | |
978 | ||
34c202c7 | 979 | c = ide_wait(device, IDE_TIME_OUT); |
c609719b WD |
980 | |
981 | if (c & ATA_STAT_BUSY) { | |
34c202c7 | 982 | printf("IDE read: device %d not ready\n", device); |
c609719b WD |
983 | goto WR_OUT; |
984 | } | |
42dfe7a1 | 985 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
986 | if (lba48) { |
987 | /* write high bits */ | |
34c202c7 WD |
988 | ide_outb(device, ATA_SECT_CNT, 0); |
989 | ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
6d0f6bcf | 990 | #ifdef CONFIG_SYS_64BIT_LBA |
34c202c7 WD |
991 | ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF); |
992 | ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
413bf586 | 993 | #else |
34c202c7 WD |
994 | ide_outb(device, ATA_LBA_MID, 0); |
995 | ide_outb(device, ATA_LBA_HIGH, 0); | |
413bf586 | 996 | #endif |
c40b2956 WD |
997 | } |
998 | #endif | |
34c202c7 WD |
999 | ide_outb(device, ATA_SECT_CNT, 1); |
1000 | ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1001 | ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1002 | ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1003 | |
42dfe7a1 | 1004 | #ifdef CONFIG_LBA48 |
c40b2956 | 1005 | if (lba48) { |
34c202c7 WD |
1006 | ide_outb(device, ATA_DEV_HD, |
1007 | ATA_LBA | ATA_DEVICE(device)); | |
1008 | ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE_EXT); | |
c40b2956 WD |
1009 | |
1010 | } else | |
1011 | #endif | |
1012 | { | |
34c202c7 WD |
1013 | ide_outb(device, ATA_DEV_HD, ATA_LBA | |
1014 | ATA_DEVICE(device) | ((blknr >> 24) & 0xF)); | |
1015 | ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE); | |
c40b2956 | 1016 | } |
c609719b | 1017 | |
34c202c7 | 1018 | udelay(50); |
c609719b | 1019 | |
34c202c7 WD |
1020 | /* can't take over 500 ms */ |
1021 | c = ide_wait(device, IDE_TIME_OUT); | |
c609719b | 1022 | |
34c202c7 WD |
1023 | if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) != |
1024 | ATA_STAT_DRQ) { | |
b6458d38 | 1025 | printf("Error (no IRQ) dev %d blk %ld: status %#02x\n", |
c609719b WD |
1026 | device, blknr, c); |
1027 | goto WR_OUT; | |
1028 | } | |
1029 | ||
f5b82c0f | 1030 | ide_output_data(device, buffer, ATA_SECTORWORDS); |
34c202c7 | 1031 | c = ide_inb(device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1032 | ++n; |
1033 | ++blknr; | |
0b94504d | 1034 | buffer += ATA_BLOCKSIZE; |
c609719b WD |
1035 | } |
1036 | WR_OUT: | |
34c202c7 | 1037 | ide_led(DEVICE_LED(device), 0); /* LED off */ |
c609719b WD |
1038 | return (n); |
1039 | } | |
1040 | ||
1041 | /* ------------------------------------------------------------------------- */ | |
1042 | ||
1043 | /* | |
1044 | * copy src to dest, skipping leading and trailing blanks and null | |
1045 | * terminate the string | |
7d7ce412 | 1046 | * "len" is the size of available memory including the terminating '\0' |
c609719b | 1047 | */ |
34c202c7 WD |
1048 | static void ident_cpy(unsigned char *dst, unsigned char *src, |
1049 | unsigned int len) | |
c609719b | 1050 | { |
7d7ce412 WD |
1051 | unsigned char *end, *last; |
1052 | ||
1053 | last = dst; | |
34c202c7 | 1054 | end = src + len - 1; |
7d7ce412 WD |
1055 | |
1056 | /* reserve space for '\0' */ | |
1057 | if (len < 2) | |
1058 | goto OUT; | |
efa329cb | 1059 | |
7d7ce412 | 1060 | /* skip leading white space */ |
34c202c7 | 1061 | while ((*src) && (src < end) && (*src == ' ')) |
7d7ce412 WD |
1062 | ++src; |
1063 | ||
1064 | /* copy string, omitting trailing white space */ | |
34c202c7 | 1065 | while ((*src) && (src < end)) { |
7d7ce412 WD |
1066 | *dst++ = *src; |
1067 | if (*src++ != ' ') | |
1068 | last = dst; | |
c609719b | 1069 | } |
7d7ce412 WD |
1070 | OUT: |
1071 | *last = '\0'; | |
c609719b WD |
1072 | } |
1073 | ||
1074 | /* ------------------------------------------------------------------------- */ | |
1075 | ||
1076 | /* | |
1077 | * Wait until Busy bit is off, or timeout (in ms) | |
1078 | * Return last status | |
1079 | */ | |
34c202c7 | 1080 | static uchar ide_wait(int dev, ulong t) |
c609719b | 1081 | { |
34c202c7 | 1082 | ulong delay = 10 * t; /* poll every 100 us */ |
c609719b WD |
1083 | uchar c; |
1084 | ||
2262cfee | 1085 | while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { |
34c202c7 WD |
1086 | udelay(100); |
1087 | if (delay-- == 0) | |
c609719b | 1088 | break; |
c609719b WD |
1089 | } |
1090 | return (c); | |
1091 | } | |
1092 | ||
1093 | /* ------------------------------------------------------------------------- */ | |
1094 | ||
1095 | #ifdef CONFIG_IDE_RESET | |
1096 | extern void ide_set_reset(int idereset); | |
1097 | ||
34c202c7 | 1098 | static void ide_reset(void) |
c609719b | 1099 | { |
c609719b WD |
1100 | int i; |
1101 | ||
1102 | curr_device = -1; | |
34c202c7 | 1103 | for (i = 0; i < CONFIG_SYS_IDE_MAXBUS; ++i) |
c609719b | 1104 | ide_bus_ok[i] = 0; |
34c202c7 | 1105 | for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) |
c609719b WD |
1106 | ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; |
1107 | ||
34c202c7 | 1108 | ide_set_reset(1); /* assert reset */ |
c609719b | 1109 | |
e175eacc MK |
1110 | /* the reset signal shall be asserted for et least 25 us */ |
1111 | udelay(25); | |
1112 | ||
c609719b WD |
1113 | WATCHDOG_RESET(); |
1114 | ||
c609719b WD |
1115 | /* de-assert RESET signal */ |
1116 | ide_set_reset(0); | |
1117 | ||
1118 | /* wait 250 ms */ | |
34c202c7 WD |
1119 | for (i = 0; i < 250; ++i) |
1120 | udelay(1000); | |
c609719b WD |
1121 | } |
1122 | ||
34c202c7 | 1123 | #endif /* CONFIG_IDE_RESET */ |
c609719b WD |
1124 | |
1125 | /* ------------------------------------------------------------------------- */ | |
1126 | ||
3887c3fb HS |
1127 | #if defined(CONFIG_OF_IDE_FIXUP) |
1128 | int ide_device_present(int dev) | |
1129 | { | |
1130 | if (dev >= CONFIG_SYS_IDE_MAXBUS) | |
1131 | return 0; | |
1132 | return (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1); | |
1133 | } | |
1134 | #endif | |
c609719b WD |
1135 | /* ------------------------------------------------------------------------- */ |
1136 | ||
1137 | #ifdef CONFIG_ATAPI | |
1138 | /**************************************************************************** | |
1139 | * ATAPI Support | |
1140 | */ | |
1141 | ||
f5b82c0f PH |
1142 | void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) |
1143 | __attribute__ ((weak, alias("__ide_input_data_shorts"))); | |
1144 | ||
1145 | void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1146 | __attribute__ ((weak, alias("__ide_output_data_shorts"))); | |
1147 | ||
1148 | ||
f2a37fcd | 1149 | #if defined(CONFIG_IDE_SWAP_IO) |
c609719b WD |
1150 | /* since ATAPI may use commands with not 4 bytes alligned length |
1151 | * we have our own transfer functions, 2 bytes alligned */ | |
f5b82c0f | 1152 | void __ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) |
c609719b | 1153 | { |
34c202c7 WD |
1154 | ushort *dbuf; |
1155 | volatile ushort *pbuf; | |
c609719b | 1156 | |
34c202c7 WD |
1157 | pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); |
1158 | dbuf = (ushort *) sect_buf; | |
db01a2ea | 1159 | |
34c202c7 WD |
1160 | debug("in output data shorts base for read is %lx\n", |
1161 | (unsigned long) pbuf); | |
db01a2ea | 1162 | |
c609719b | 1163 | while (shorts--) { |
5cf91d6b | 1164 | EIEIO; |
1a344f29 | 1165 | *pbuf = *dbuf++; |
c609719b | 1166 | } |
1a344f29 WD |
1167 | } |
1168 | ||
f5b82c0f | 1169 | void __ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) |
1a344f29 | 1170 | { |
34c202c7 WD |
1171 | ushort *dbuf; |
1172 | volatile ushort *pbuf; | |
1a344f29 | 1173 | |
34c202c7 WD |
1174 | pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); |
1175 | dbuf = (ushort *) sect_buf; | |
1a344f29 | 1176 | |
34c202c7 WD |
1177 | debug("in input data shorts base for read is %lx\n", |
1178 | (unsigned long) pbuf); | |
1a344f29 WD |
1179 | |
1180 | while (shorts--) { | |
1181 | EIEIO; | |
1182 | *dbuf++ = *pbuf; | |
1183 | } | |
c609719b WD |
1184 | } |
1185 | ||
34c202c7 | 1186 | #else /* ! CONFIG_IDE_SWAP_IO */ |
f5b82c0f | 1187 | void __ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) |
2262cfee | 1188 | { |
34c202c7 | 1189 | outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1190 | } |
1191 | ||
f5b82c0f | 1192 | void __ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) |
2262cfee | 1193 | { |
34c202c7 | 1194 | insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1195 | } |
1196 | ||
34c202c7 | 1197 | #endif /* CONFIG_IDE_SWAP_IO */ |
2262cfee | 1198 | |
c609719b WD |
1199 | /* |
1200 | * Wait until (Status & mask) == res, or timeout (in ms) | |
1201 | * Return last status | |
1202 | * This is used since some ATAPI CD ROMs clears their Busy Bit first | |
1203 | * and then they set their DRQ Bit | |
1204 | */ | |
34c202c7 | 1205 | static uchar atapi_wait_mask(int dev, ulong t, uchar mask, uchar res) |
c609719b | 1206 | { |
34c202c7 | 1207 | ulong delay = 10 * t; /* poll every 100 us */ |
c609719b WD |
1208 | uchar c; |
1209 | ||
34c202c7 WD |
1210 | /* prevents to read the status before valid */ |
1211 | c = ide_inb(dev, ATA_DEV_CTL); | |
1212 | ||
2262cfee | 1213 | while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { |
c609719b | 1214 | /* break if error occurs (doesn't make sense to wait more) */ |
34c202c7 | 1215 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) |
c609719b | 1216 | break; |
34c202c7 WD |
1217 | udelay(100); |
1218 | if (delay-- == 0) | |
c609719b | 1219 | break; |
c609719b WD |
1220 | } |
1221 | return (c); | |
1222 | } | |
1223 | ||
1224 | /* | |
1225 | * issue an atapi command | |
1226 | */ | |
34c202c7 WD |
1227 | unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen, |
1228 | unsigned char *buffer, int buflen) | |
c609719b | 1229 | { |
34c202c7 | 1230 | unsigned char c, err, mask, res; |
c609719b | 1231 | int n; |
34c202c7 WD |
1232 | |
1233 | ide_led(DEVICE_LED(device), 1); /* LED on */ | |
c609719b WD |
1234 | |
1235 | /* Select device | |
1236 | */ | |
34c202c7 | 1237 | mask = ATA_STAT_BUSY | ATA_STAT_DRQ; |
c609719b | 1238 | res = 0; |
34c202c7 WD |
1239 | ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
1240 | c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); | |
c609719b | 1241 | if ((c & mask) != res) { |
34c202c7 WD |
1242 | printf("ATAPI_ISSUE: device %d not ready status %X\n", device, |
1243 | c); | |
1244 | err = 0xFF; | |
c609719b WD |
1245 | goto AI_OUT; |
1246 | } | |
1247 | /* write taskfile */ | |
34c202c7 WD |
1248 | ide_outb(device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ |
1249 | ide_outb(device, ATA_SECT_CNT, 0); | |
1250 | ide_outb(device, ATA_SECT_NUM, 0); | |
1251 | ide_outb(device, ATA_CYL_LOW, (unsigned char) (buflen & 0xFF)); | |
1252 | ide_outb(device, ATA_CYL_HIGH, | |
1253 | (unsigned char) ((buflen >> 8) & 0xFF)); | |
1254 | ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
1255 | ||
1256 | ide_outb(device, ATA_COMMAND, ATAPI_CMD_PACKET); | |
1257 | udelay(50); | |
1258 | ||
1259 | mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR; | |
c609719b | 1260 | res = ATA_STAT_DRQ; |
34c202c7 | 1261 | c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); |
c609719b | 1262 | |
34c202c7 WD |
1263 | if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ |
1264 | printf("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n", | |
1265 | device, c); | |
1266 | err = 0xFF; | |
c609719b WD |
1267 | goto AI_OUT; |
1268 | } | |
1269 | ||
34c202c7 | 1270 | /* write command block */ |
f5b82c0f | 1271 | ide_output_data_shorts(device, (unsigned short *) ccb, ccblen / 2); |
34c202c7 | 1272 | |
53677ef1 | 1273 | /* ATAPI Command written wait for completition */ |
34c202c7 | 1274 | udelay(5000); /* device must set bsy */ |
c609719b | 1275 | |
34c202c7 WD |
1276 | mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR; |
1277 | /* | |
1278 | * if no data wait for DRQ = 0 BSY = 0 | |
1279 | * if data wait for DRQ = 1 BSY = 0 | |
1280 | */ | |
1281 | res = 0; | |
1282 | if (buflen) | |
c609719b | 1283 | res = ATA_STAT_DRQ; |
34c202c7 WD |
1284 | c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); |
1285 | if ((c & mask) != res) { | |
c609719b | 1286 | if (c & ATA_STAT_ERR) { |
34c202c7 WD |
1287 | err = (ide_inb(device, ATA_ERROR_REG)) >> 4; |
1288 | debug("atapi_issue 1 returned sense key %X status %02X\n", | |
1289 | err, c); | |
c609719b | 1290 | } else { |
34c202c7 WD |
1291 | printf("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", |
1292 | ccb[0], c); | |
1293 | err = 0xFF; | |
c609719b WD |
1294 | } |
1295 | goto AI_OUT; | |
1296 | } | |
34c202c7 WD |
1297 | n = ide_inb(device, ATA_CYL_HIGH); |
1298 | n <<= 8; | |
1299 | n += ide_inb(device, ATA_CYL_LOW); | |
1300 | if (n > buflen) { | |
1301 | printf("ERROR, transfer bytes %d requested only %d\n", n, | |
1302 | buflen); | |
1303 | err = 0xff; | |
c609719b WD |
1304 | goto AI_OUT; |
1305 | } | |
34c202c7 WD |
1306 | if ((n == 0) && (buflen < 0)) { |
1307 | printf("ERROR, transfer bytes %d requested %d\n", n, buflen); | |
1308 | err = 0xff; | |
c609719b WD |
1309 | goto AI_OUT; |
1310 | } | |
34c202c7 WD |
1311 | if (n != buflen) { |
1312 | debug("WARNING, transfer bytes %d not equal with requested %d\n", | |
1313 | n, buflen); | |
c609719b | 1314 | } |
34c202c7 WD |
1315 | if (n != 0) { /* data transfer */ |
1316 | debug("ATAPI_ISSUE: %d Bytes to transfer\n", n); | |
1317 | /* we transfer shorts */ | |
1318 | n >>= 1; | |
c609719b | 1319 | /* ok now decide if it is an in or output */ |
34c202c7 WD |
1320 | if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) { |
1321 | debug("Write to device\n"); | |
f5b82c0f PH |
1322 | ide_output_data_shorts(device, |
1323 | (unsigned short *) buffer, n); | |
c609719b | 1324 | } else { |
34c202c7 | 1325 | debug("Read from device @ %p shorts %d\n", buffer, n); |
f5b82c0f PH |
1326 | ide_input_data_shorts(device, |
1327 | (unsigned short *) buffer, n); | |
c609719b WD |
1328 | } |
1329 | } | |
34c202c7 WD |
1330 | udelay(5000); /* seems that some CD ROMs need this... */ |
1331 | mask = ATA_STAT_BUSY | ATA_STAT_ERR; | |
1332 | res = 0; | |
1333 | c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); | |
c609719b | 1334 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { |
34c202c7 WD |
1335 | err = (ide_inb(device, ATA_ERROR_REG) >> 4); |
1336 | debug("atapi_issue 2 returned sense key %X status %X\n", err, | |
1337 | c); | |
c609719b WD |
1338 | } else { |
1339 | err = 0; | |
1340 | } | |
1341 | AI_OUT: | |
34c202c7 | 1342 | ide_led(DEVICE_LED(device), 0); /* LED off */ |
c609719b WD |
1343 | return (err); |
1344 | } | |
1345 | ||
1346 | /* | |
1347 | * sending the command to atapi_issue. If an status other than good | |
1348 | * returns, an request_sense will be issued | |
1349 | */ | |
1350 | ||
53677ef1 | 1351 | #define ATAPI_DRIVE_NOT_READY 100 |
c609719b WD |
1352 | #define ATAPI_UNIT_ATTN 10 |
1353 | ||
34c202c7 WD |
1354 | unsigned char atapi_issue_autoreq(int device, |
1355 | unsigned char *ccb, | |
1356 | int ccblen, | |
1357 | unsigned char *buffer, int buflen) | |
c609719b | 1358 | { |
34c202c7 WD |
1359 | unsigned char sense_data[18], sense_ccb[12]; |
1360 | unsigned char res, key, asc, ascq; | |
1361 | int notready, unitattn; | |
c609719b | 1362 | |
34c202c7 WD |
1363 | unitattn = ATAPI_UNIT_ATTN; |
1364 | notready = ATAPI_DRIVE_NOT_READY; | |
c609719b WD |
1365 | |
1366 | retry: | |
34c202c7 WD |
1367 | res = atapi_issue(device, ccb, ccblen, buffer, buflen); |
1368 | if (res == 0) | |
1369 | return 0; /* Ok */ | |
1370 | ||
1371 | if (res == 0xFF) | |
1372 | return 0xFF; /* error */ | |
1373 | ||
1374 | debug("(auto_req)atapi_issue returned sense key %X\n", res); | |
1375 | ||
1376 | memset(sense_ccb, 0, sizeof(sense_ccb)); | |
1377 | memset(sense_data, 0, sizeof(sense_data)); | |
1378 | sense_ccb[0] = ATAPI_CMD_REQ_SENSE; | |
1379 | sense_ccb[4] = 18; /* allocation Length */ | |
1380 | ||
1381 | res = atapi_issue(device, sense_ccb, 12, sense_data, 18); | |
1382 | key = (sense_data[2] & 0xF); | |
1383 | asc = (sense_data[12]); | |
1384 | ascq = (sense_data[13]); | |
1385 | ||
1386 | debug("ATAPI_CMD_REQ_SENSE returned %x\n", res); | |
1387 | debug(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", | |
1388 | sense_data[0], key, asc, ascq); | |
1389 | ||
1390 | if ((key == 0)) | |
1391 | return 0; /* ok device ready */ | |
1392 | ||
1393 | if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */ | |
1394 | if (unitattn-- > 0) { | |
1395 | udelay(200 * 1000); | |
c609719b WD |
1396 | goto retry; |
1397 | } | |
34c202c7 | 1398 | printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN); |
c609719b WD |
1399 | goto error; |
1400 | } | |
34c202c7 WD |
1401 | if ((asc == 0x4) && (ascq == 0x1)) { |
1402 | /* not ready, but will be ready soon */ | |
1403 | if (notready-- > 0) { | |
1404 | udelay(200 * 1000); | |
c609719b WD |
1405 | goto retry; |
1406 | } | |
34c202c7 WD |
1407 | printf("Drive not ready, tried %d times\n", |
1408 | ATAPI_DRIVE_NOT_READY); | |
c609719b WD |
1409 | goto error; |
1410 | } | |
34c202c7 WD |
1411 | if (asc == 0x3a) { |
1412 | debug("Media not present\n"); | |
c609719b WD |
1413 | goto error; |
1414 | } | |
c7de829c | 1415 | |
34c202c7 WD |
1416 | printf("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n", key, asc, |
1417 | ascq); | |
c609719b | 1418 | error: |
34c202c7 | 1419 | debug("ERROR Sense key %02X ASC %02X ASCQ %02X\n", key, asc, ascq); |
c609719b WD |
1420 | return (0xFF); |
1421 | } | |
1422 | ||
1423 | ||
34c202c7 | 1424 | static void atapi_inquiry(block_dev_desc_t *dev_desc) |
c609719b | 1425 | { |
34c202c7 WD |
1426 | unsigned char ccb[12]; /* Command descriptor block */ |
1427 | unsigned char iobuf[64]; /* temp buf */ | |
c609719b WD |
1428 | unsigned char c; |
1429 | int device; | |
1430 | ||
34c202c7 WD |
1431 | device = dev_desc->dev; |
1432 | dev_desc->type = DEV_TYPE_UNKNOWN; /* not yet valid */ | |
1433 | dev_desc->block_read = atapi_read; | |
c609719b | 1434 | |
34c202c7 WD |
1435 | memset(ccb, 0, sizeof(ccb)); |
1436 | memset(iobuf, 0, sizeof(iobuf)); | |
c609719b | 1437 | |
34c202c7 WD |
1438 | ccb[0] = ATAPI_CMD_INQUIRY; |
1439 | ccb[4] = 40; /* allocation Legnth */ | |
1440 | c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 40); | |
c609719b | 1441 | |
34c202c7 WD |
1442 | debug("ATAPI_CMD_INQUIRY returned %x\n", c); |
1443 | if (c != 0) | |
c609719b WD |
1444 | return; |
1445 | ||
1446 | /* copy device ident strings */ | |
34c202c7 WD |
1447 | ident_cpy((unsigned char *) dev_desc->vendor, &iobuf[8], 8); |
1448 | ident_cpy((unsigned char *) dev_desc->product, &iobuf[16], 16); | |
1449 | ident_cpy((unsigned char *) dev_desc->revision, &iobuf[32], 5); | |
c609719b | 1450 | |
34c202c7 WD |
1451 | dev_desc->lun = 0; |
1452 | dev_desc->lba = 0; | |
1453 | dev_desc->blksz = 0; | |
0472fbfd | 1454 | dev_desc->log2blksz = LOG2_INVALID(typeof(dev_desc->log2blksz)); |
34c202c7 | 1455 | dev_desc->type = iobuf[0] & 0x1f; |
c609719b | 1456 | |
34c202c7 | 1457 | if ((iobuf[1] & 0x80) == 0x80) |
c609719b WD |
1458 | dev_desc->removable = 1; |
1459 | else | |
1460 | dev_desc->removable = 0; | |
1461 | ||
34c202c7 WD |
1462 | memset(ccb, 0, sizeof(ccb)); |
1463 | memset(iobuf, 0, sizeof(iobuf)); | |
1464 | ccb[0] = ATAPI_CMD_START_STOP; | |
1465 | ccb[4] = 0x03; /* start */ | |
c609719b | 1466 | |
34c202c7 | 1467 | c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 0); |
c609719b | 1468 | |
34c202c7 WD |
1469 | debug("ATAPI_CMD_START_STOP returned %x\n", c); |
1470 | if (c != 0) | |
c609719b WD |
1471 | return; |
1472 | ||
34c202c7 WD |
1473 | memset(ccb, 0, sizeof(ccb)); |
1474 | memset(iobuf, 0, sizeof(iobuf)); | |
1475 | c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 0); | |
c609719b | 1476 | |
34c202c7 WD |
1477 | debug("ATAPI_CMD_UNIT_TEST_READY returned %x\n", c); |
1478 | if (c != 0) | |
c609719b WD |
1479 | return; |
1480 | ||
34c202c7 WD |
1481 | memset(ccb, 0, sizeof(ccb)); |
1482 | memset(iobuf, 0, sizeof(iobuf)); | |
1483 | ccb[0] = ATAPI_CMD_READ_CAP; | |
1484 | c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 8); | |
1485 | debug("ATAPI_CMD_READ_CAP returned %x\n", c); | |
1486 | if (c != 0) | |
c609719b WD |
1487 | return; |
1488 | ||
34c202c7 WD |
1489 | debug("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", |
1490 | iobuf[0], iobuf[1], iobuf[2], iobuf[3], | |
1491 | iobuf[4], iobuf[5], iobuf[6], iobuf[7]); | |
1492 | ||
1493 | dev_desc->lba = ((unsigned long) iobuf[0] << 24) + | |
1494 | ((unsigned long) iobuf[1] << 16) + | |
1495 | ((unsigned long) iobuf[2] << 8) + ((unsigned long) iobuf[3]); | |
1496 | dev_desc->blksz = ((unsigned long) iobuf[4] << 24) + | |
1497 | ((unsigned long) iobuf[5] << 16) + | |
1498 | ((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]); | |
0472fbfd | 1499 | dev_desc->log2blksz = LOG2(dev_desc->blksz); |
42dfe7a1 | 1500 | #ifdef CONFIG_LBA48 |
34c202c7 WD |
1501 | /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ |
1502 | dev_desc->lba48 = 0; | |
42dfe7a1 | 1503 | #endif |
c609719b WD |
1504 | return; |
1505 | } | |
1506 | ||
1507 | ||
1508 | /* | |
1509 | * atapi_read: | |
1510 | * we transfer only one block per command, since the multiple DRQ per | |
1511 | * command is not yet implemented | |
1512 | */ | |
1513 | #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ | |
1514 | #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ | |
34c202c7 | 1515 | #define ATAPI_READ_MAX_BLOCK (ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE) |
c609719b | 1516 | |
b6458d38 | 1517 | ulong atapi_read(int device, ulong blknr, lbaint_t blkcnt, void *buffer) |
c609719b WD |
1518 | { |
1519 | ulong n = 0; | |
34c202c7 | 1520 | unsigned char ccb[12]; /* Command descriptor block */ |
c609719b WD |
1521 | ulong cnt; |
1522 | ||
b6458d38 | 1523 | debug("atapi_read dev %d start %lX, blocks " LBAF " buffer at %lX\n", |
34c202c7 | 1524 | device, blknr, blkcnt, (ulong) buffer); |
c609719b WD |
1525 | |
1526 | do { | |
34c202c7 WD |
1527 | if (blkcnt > ATAPI_READ_MAX_BLOCK) |
1528 | cnt = ATAPI_READ_MAX_BLOCK; | |
1529 | else | |
1530 | cnt = blkcnt; | |
1531 | ||
1532 | ccb[0] = ATAPI_CMD_READ_12; | |
1533 | ccb[1] = 0; /* reserved */ | |
1534 | ccb[2] = (unsigned char) (blknr >> 24) & 0xFF; /* MSB Block */ | |
1535 | ccb[3] = (unsigned char) (blknr >> 16) & 0xFF; /* */ | |
1536 | ccb[4] = (unsigned char) (blknr >> 8) & 0xFF; | |
1537 | ccb[5] = (unsigned char) blknr & 0xFF; /* LSB Block */ | |
1538 | ccb[6] = (unsigned char) (cnt >> 24) & 0xFF; /* MSB Block cnt */ | |
1539 | ccb[7] = (unsigned char) (cnt >> 16) & 0xFF; | |
1540 | ccb[8] = (unsigned char) (cnt >> 8) & 0xFF; | |
1541 | ccb[9] = (unsigned char) cnt & 0xFF; /* LSB Block */ | |
1542 | ccb[10] = 0; /* reserved */ | |
1543 | ccb[11] = 0; /* reserved */ | |
1544 | ||
1545 | if (atapi_issue_autoreq(device, ccb, 12, | |
1546 | (unsigned char *) buffer, | |
1547 | cnt * ATAPI_READ_BLOCK_SIZE) | |
1548 | == 0xFF) { | |
c609719b WD |
1549 | return (n); |
1550 | } | |
34c202c7 WD |
1551 | n += cnt; |
1552 | blkcnt -= cnt; | |
1553 | blknr += cnt; | |
1554 | buffer += (cnt * ATAPI_READ_BLOCK_SIZE); | |
c609719b WD |
1555 | } while (blkcnt > 0); |
1556 | return (n); | |
1557 | } | |
1558 | ||
1559 | /* ------------------------------------------------------------------------- */ | |
1560 | ||
1561 | #endif /* CONFIG_ATAPI */ | |
1562 | ||
34c202c7 WD |
1563 | U_BOOT_CMD(ide, 5, 1, do_ide, |
1564 | "IDE sub-system", | |
1565 | "reset - reset IDE controller\n" | |
1566 | "ide info - show available IDE devices\n" | |
1567 | "ide device [dev] - show or set current device\n" | |
1568 | "ide part [dev] - print partition table of one or all IDE devices\n" | |
1569 | "ide read addr blk# cnt\n" | |
1570 | "ide write addr blk# cnt - read/write `cnt'" | |
1571 | " blocks starting at block `blk#'\n" | |
1572 | " to/from memory address `addr'"); | |
1573 | ||
1574 | U_BOOT_CMD(diskboot, 3, 1, do_diskboot, | |
1575 | "boot from IDE device", "loadAddr dev:part"); |