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Commit | Line | Data |
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c609719b | 1 | /* |
1a344f29 | 2 | * (C) Copyright 2000-2005 |
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 | #ifdef CONFIG_8xx |
42 | # include <mpc8xx.h> | |
43 | #endif | |
735dd97b | 44 | |
132ba5fd WD |
45 | #ifdef CONFIG_MPC5xxx |
46 | #include <mpc5xxx.h> | |
47 | #endif | |
735dd97b | 48 | |
113bfe48 AA |
49 | #ifdef CONFIG_ORION5X |
50 | #include <asm/arch/orion5x.h> | |
5f305003 PW |
51 | #elif defined CONFIG_KIRKWOOD |
52 | #include <asm/arch/kirkwood.h> | |
113bfe48 AA |
53 | #endif |
54 | ||
c609719b WD |
55 | #include <ide.h> |
56 | #include <ata.h> | |
735dd97b | 57 | |
c609719b WD |
58 | #ifdef CONFIG_STATUS_LED |
59 | # include <status_led.h> | |
60 | #endif | |
735dd97b | 61 | |
d87080b7 WD |
62 | #ifdef CONFIG_IDE_8xx_DIRECT |
63 | DECLARE_GLOBAL_DATA_PTR; | |
64 | #endif | |
65 | ||
5cf91d6b WD |
66 | #ifdef __PPC__ |
67 | # define EIEIO __asm__ volatile ("eieio") | |
1a344f29 | 68 | # define SYNC __asm__ volatile ("sync") |
5cf91d6b WD |
69 | #else |
70 | # define EIEIO /* nothing */ | |
1a344f29 | 71 | # define SYNC /* nothing */ |
c609719b WD |
72 | #endif |
73 | ||
15647dc7 | 74 | #ifdef CONFIG_IDE_8xx_DIRECT |
c609719b WD |
75 | /* Timings for IDE Interface |
76 | * | |
77 | * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk | |
78 | * 70 165 30 PIO-Mode 0, [ns] | |
79 | * 4 9 2 [Cycles] | |
80 | * 50 125 20 PIO-Mode 1, [ns] | |
81 | * 3 7 2 [Cycles] | |
82 | * 30 100 15 PIO-Mode 2, [ns] | |
83 | * 2 6 1 [Cycles] | |
84 | * 30 80 10 PIO-Mode 3, [ns] | |
85 | * 2 5 1 [Cycles] | |
86 | * 25 70 10 PIO-Mode 4, [ns] | |
87 | * 2 4 1 [Cycles] | |
88 | */ | |
89 | ||
90 | const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] = | |
91 | { | |
92 | /* Setup Length Hold */ | |
93 | { 70, 165, 30 }, /* PIO-Mode 0, [ns] */ | |
94 | { 50, 125, 20 }, /* PIO-Mode 1, [ns] */ | |
95 | { 30, 101, 15 }, /* PIO-Mode 2, [ns] */ | |
96 | { 30, 80, 10 }, /* PIO-Mode 3, [ns] */ | |
97 | { 25, 70, 10 }, /* PIO-Mode 4, [ns] */ | |
98 | }; | |
99 | ||
100 | static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1]; | |
101 | ||
6d0f6bcf JCPV |
102 | #ifndef CONFIG_SYS_PIO_MODE |
103 | #define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */ | |
c609719b | 104 | #endif |
6d0f6bcf | 105 | static int pio_mode = CONFIG_SYS_PIO_MODE; |
c609719b WD |
106 | |
107 | /* Make clock cycles and always round up */ | |
108 | ||
109 | #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U ) | |
110 | ||
15647dc7 WD |
111 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
112 | ||
c609719b WD |
113 | /* ------------------------------------------------------------------------- */ |
114 | ||
115 | /* Current I/O Device */ | |
116 | static int curr_device = -1; | |
117 | ||
118 | /* Current offset for IDE0 / IDE1 bus access */ | |
6d0f6bcf JCPV |
119 | ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = { |
120 | #if defined(CONFIG_SYS_ATA_IDE0_OFFSET) | |
121 | CONFIG_SYS_ATA_IDE0_OFFSET, | |
c609719b | 122 | #endif |
6d0f6bcf JCPV |
123 | #if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1) |
124 | CONFIG_SYS_ATA_IDE1_OFFSET, | |
c609719b WD |
125 | #endif |
126 | }; | |
127 | ||
15647dc7 | 128 | |
6d0f6bcf | 129 | static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS]; |
c609719b | 130 | |
6d0f6bcf | 131 | block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE]; |
c609719b WD |
132 | /* ------------------------------------------------------------------------- */ |
133 | ||
134 | #ifdef CONFIG_IDE_LED | |
953b7e62 WD |
135 | # if !defined(CONFIG_BMS2003) && \ |
136 | !defined(CONFIG_CPC45) && \ | |
137 | !defined(CONFIG_KUP4K) && \ | |
138 | !defined(CONFIG_KUP4X) | |
c609719b WD |
139 | static void ide_led (uchar led, uchar status); |
140 | #else | |
1f53a416 WD |
141 | extern void ide_led (uchar led, uchar status); |
142 | #endif | |
143 | #else | |
c609719b WD |
144 | #define ide_led(a,b) /* dummy */ |
145 | #endif | |
146 | ||
147 | #ifdef CONFIG_IDE_RESET | |
148 | static void ide_reset (void); | |
149 | #else | |
150 | #define ide_reset() /* dummy */ | |
151 | #endif | |
152 | ||
153 | static void ide_ident (block_dev_desc_t *dev_desc); | |
154 | static uchar ide_wait (int dev, ulong t); | |
155 | ||
156 | #define IDE_TIME_OUT 2000 /* 2 sec timeout */ | |
157 | ||
158 | #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */ | |
159 | ||
160 | #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ | |
161 | ||
c609719b WD |
162 | static void input_data(int dev, ulong *sect_buf, int words); |
163 | static void output_data(int dev, ulong *sect_buf, int words); | |
164 | static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); | |
165 | ||
6d0f6bcf JCPV |
166 | #ifndef CONFIG_SYS_ATA_PORT_ADDR |
167 | #define CONFIG_SYS_ATA_PORT_ADDR(port) (port) | |
566a494f | 168 | #endif |
c609719b WD |
169 | |
170 | #ifdef CONFIG_ATAPI | |
171 | static void atapi_inquiry(block_dev_desc_t *dev_desc); | |
eb867a76 | 172 | ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer); |
c609719b WD |
173 | #endif |
174 | ||
175 | ||
176 | #ifdef CONFIG_IDE_8xx_DIRECT | |
177 | static void set_pcmcia_timing (int pmode); | |
c609719b WD |
178 | #endif |
179 | ||
180 | /* ------------------------------------------------------------------------- */ | |
181 | ||
54841ab5 | 182 | int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
c609719b WD |
183 | { |
184 | int rcode = 0; | |
185 | ||
186 | switch (argc) { | |
187 | case 0: | |
188 | case 1: | |
47e26b1b | 189 | return cmd_usage(cmdtp); |
c609719b WD |
190 | case 2: |
191 | if (strncmp(argv[1],"res",3) == 0) { | |
192 | puts ("\nReset IDE" | |
193 | #ifdef CONFIG_IDE_8xx_DIRECT | |
194 | " on PCMCIA " PCMCIA_SLOT_MSG | |
195 | #endif | |
196 | ": "); | |
197 | ||
198 | ide_init (); | |
199 | return 0; | |
200 | } else if (strncmp(argv[1],"inf",3) == 0) { | |
201 | int i; | |
202 | ||
203 | putc ('\n'); | |
204 | ||
6d0f6bcf | 205 | for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) { |
c609719b WD |
206 | if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN) |
207 | continue; /* list only known devices */ | |
208 | printf ("IDE device %d: ", i); | |
209 | dev_print(&ide_dev_desc[i]); | |
210 | } | |
211 | return 0; | |
212 | ||
213 | } else if (strncmp(argv[1],"dev",3) == 0) { | |
6d0f6bcf | 214 | if ((curr_device < 0) || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) { |
c609719b WD |
215 | puts ("\nno IDE devices available\n"); |
216 | return 1; | |
217 | } | |
218 | printf ("\nIDE device %d: ", curr_device); | |
219 | dev_print(&ide_dev_desc[curr_device]); | |
220 | return 0; | |
221 | } else if (strncmp(argv[1],"part",4) == 0) { | |
222 | int dev, ok; | |
223 | ||
6d0f6bcf | 224 | for (ok=0, dev=0; dev<CONFIG_SYS_IDE_MAXDEVICE; ++dev) { |
c609719b WD |
225 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { |
226 | ++ok; | |
227 | if (dev) | |
228 | putc ('\n'); | |
229 | print_part(&ide_dev_desc[dev]); | |
230 | } | |
231 | } | |
232 | if (!ok) { | |
233 | puts ("\nno IDE devices available\n"); | |
234 | rcode ++; | |
235 | } | |
236 | return rcode; | |
237 | } | |
47e26b1b | 238 | return cmd_usage(cmdtp); |
c609719b WD |
239 | case 3: |
240 | if (strncmp(argv[1],"dev",3) == 0) { | |
241 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
242 | ||
243 | printf ("\nIDE device %d: ", dev); | |
6d0f6bcf | 244 | if (dev >= CONFIG_SYS_IDE_MAXDEVICE) { |
c609719b WD |
245 | puts ("unknown device\n"); |
246 | return 1; | |
247 | } | |
248 | dev_print(&ide_dev_desc[dev]); | |
249 | /*ide_print (dev);*/ | |
250 | ||
251 | if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { | |
252 | return 1; | |
253 | } | |
254 | ||
255 | curr_device = dev; | |
256 | ||
257 | puts ("... is now current device\n"); | |
258 | ||
259 | return 0; | |
260 | } else if (strncmp(argv[1],"part",4) == 0) { | |
261 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
262 | ||
263 | if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { | |
264 | print_part(&ide_dev_desc[dev]); | |
265 | } else { | |
266 | printf ("\nIDE device %d not available\n", dev); | |
267 | rcode = 1; | |
268 | } | |
269 | return rcode; | |
270 | #if 0 | |
271 | } else if (strncmp(argv[1],"pio",4) == 0) { | |
272 | int mode = (int)simple_strtoul(argv[2], NULL, 10); | |
273 | ||
274 | if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) { | |
275 | puts ("\nSetting "); | |
276 | pio_mode = mode; | |
277 | ide_init (); | |
278 | } else { | |
279 | printf ("\nInvalid PIO mode %d (0 ... %d only)\n", | |
280 | mode, IDE_MAX_PIO_MODE); | |
281 | } | |
282 | return; | |
283 | #endif | |
284 | } | |
285 | ||
47e26b1b | 286 | return cmd_usage(cmdtp); |
c609719b WD |
287 | default: |
288 | /* at least 4 args */ | |
289 | ||
290 | if (strcmp(argv[1],"read") == 0) { | |
291 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
c609719b WD |
292 | ulong cnt = simple_strtoul(argv[4], NULL, 16); |
293 | ulong n; | |
6d0f6bcf | 294 | #ifdef CONFIG_SYS_64BIT_LBA |
42dfe7a1 | 295 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); |
c609719b | 296 | |
6c6166f5 | 297 | printf ("\nIDE read: device %d block # %Ld, count %ld ... ", |
c609719b | 298 | curr_device, blk, cnt); |
42dfe7a1 WD |
299 | #else |
300 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
301 | ||
302 | printf ("\nIDE read: device %d block # %ld, count %ld ... ", | |
303 | curr_device, blk, cnt); | |
304 | #endif | |
c609719b WD |
305 | |
306 | n = ide_dev_desc[curr_device].block_read (curr_device, | |
307 | blk, cnt, | |
308 | (ulong *)addr); | |
309 | /* flush cache after read */ | |
310 | flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz); | |
311 | ||
312 | printf ("%ld blocks read: %s\n", | |
313 | n, (n==cnt) ? "OK" : "ERROR"); | |
314 | if (n==cnt) { | |
315 | return 0; | |
316 | } else { | |
317 | return 1; | |
318 | } | |
319 | } else if (strcmp(argv[1],"write") == 0) { | |
320 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
c609719b WD |
321 | ulong cnt = simple_strtoul(argv[4], NULL, 16); |
322 | ulong n; | |
6d0f6bcf | 323 | #ifdef CONFIG_SYS_64BIT_LBA |
42dfe7a1 | 324 | lbaint_t blk = simple_strtoull(argv[3], NULL, 16); |
c609719b | 325 | |
6c6166f5 | 326 | printf ("\nIDE write: device %d block # %Ld, count %ld ... ", |
c609719b | 327 | curr_device, blk, cnt); |
42dfe7a1 WD |
328 | #else |
329 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
330 | ||
331 | printf ("\nIDE write: device %d block # %ld, count %ld ... ", | |
332 | curr_device, blk, cnt); | |
333 | #endif | |
c609719b WD |
334 | |
335 | n = ide_write (curr_device, blk, cnt, (ulong *)addr); | |
336 | ||
337 | printf ("%ld blocks written: %s\n", | |
338 | n, (n==cnt) ? "OK" : "ERROR"); | |
47e26b1b | 339 | if (n==cnt) |
c609719b | 340 | return 0; |
47e26b1b | 341 | else |
c609719b | 342 | return 1; |
c609719b | 343 | } else { |
47e26b1b | 344 | return cmd_usage(cmdtp); |
c609719b WD |
345 | } |
346 | ||
347 | return rcode; | |
348 | } | |
349 | } | |
350 | ||
54841ab5 | 351 | int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
c609719b WD |
352 | { |
353 | char *boot_device = NULL; | |
354 | char *ep; | |
355 | int dev, part = 0; | |
b97a2a0a | 356 | ulong addr, cnt; |
c609719b WD |
357 | disk_partition_t info; |
358 | image_header_t *hdr; | |
359 | int rcode = 0; | |
09475f75 | 360 | #if defined(CONFIG_FIT) |
3bab76a2 | 361 | const void *fit_hdr = NULL; |
09475f75 | 362 | #endif |
c609719b | 363 | |
fad63407 | 364 | show_boot_progress (41); |
c609719b WD |
365 | switch (argc) { |
366 | case 1: | |
6d0f6bcf | 367 | addr = CONFIG_SYS_LOAD_ADDR; |
c609719b WD |
368 | boot_device = getenv ("bootdevice"); |
369 | break; | |
370 | case 2: | |
371 | addr = simple_strtoul(argv[1], NULL, 16); | |
372 | boot_device = getenv ("bootdevice"); | |
373 | break; | |
374 | case 3: | |
375 | addr = simple_strtoul(argv[1], NULL, 16); | |
376 | boot_device = argv[2]; | |
377 | break; | |
378 | default: | |
fad63407 | 379 | show_boot_progress (-42); |
47e26b1b | 380 | return cmd_usage(cmdtp); |
c609719b | 381 | } |
fad63407 | 382 | show_boot_progress (42); |
c609719b WD |
383 | |
384 | if (!boot_device) { | |
385 | puts ("\n** No boot device **\n"); | |
fad63407 | 386 | show_boot_progress (-43); |
c609719b WD |
387 | return 1; |
388 | } | |
fad63407 | 389 | show_boot_progress (43); |
c609719b WD |
390 | |
391 | dev = simple_strtoul(boot_device, &ep, 16); | |
392 | ||
393 | if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) { | |
394 | printf ("\n** Device %d not available\n", dev); | |
fad63407 | 395 | show_boot_progress (-44); |
c609719b WD |
396 | return 1; |
397 | } | |
fad63407 | 398 | show_boot_progress (44); |
c609719b WD |
399 | |
400 | if (*ep) { | |
401 | if (*ep != ':') { | |
402 | puts ("\n** Invalid boot device, use `dev[:part]' **\n"); | |
fad63407 | 403 | show_boot_progress (-45); |
c609719b WD |
404 | return 1; |
405 | } | |
406 | part = simple_strtoul(++ep, NULL, 16); | |
407 | } | |
fad63407 | 408 | show_boot_progress (45); |
7882751c | 409 | if (get_partition_info (&ide_dev_desc[dev], part, &info)) { |
fad63407 | 410 | show_boot_progress (-46); |
c609719b WD |
411 | return 1; |
412 | } | |
fad63407 | 413 | show_boot_progress (46); |
77ddac94 WD |
414 | if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && |
415 | (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { | |
c609719b WD |
416 | printf ("\n** Invalid partition type \"%.32s\"" |
417 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
418 | info.type); | |
fad63407 | 419 | show_boot_progress (-47); |
c609719b WD |
420 | return 1; |
421 | } | |
fad63407 | 422 | show_boot_progress (47); |
c609719b WD |
423 | |
424 | printf ("\nLoading from IDE device %d, partition %d: " | |
425 | "Name: %.32s Type: %.32s\n", | |
426 | dev, part, info.name, info.type); | |
427 | ||
1a344f29 | 428 | debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", |
c609719b WD |
429 | info.start, info.size, info.blksz); |
430 | ||
431 | if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) { | |
432 | printf ("** Read error on %d:%d\n", dev, part); | |
fad63407 | 433 | show_boot_progress (-48); |
c609719b WD |
434 | return 1; |
435 | } | |
fad63407 | 436 | show_boot_progress (48); |
c609719b | 437 | |
9a4daad0 | 438 | switch (genimg_get_format ((void *)addr)) { |
d5934ad7 MB |
439 | case IMAGE_FORMAT_LEGACY: |
440 | hdr = (image_header_t *)addr; | |
c609719b | 441 | |
d5934ad7 MB |
442 | show_boot_progress (49); |
443 | ||
444 | if (!image_check_hcrc (hdr)) { | |
445 | puts ("\n** Bad Header Checksum **\n"); | |
446 | show_boot_progress (-50); | |
447 | return 1; | |
448 | } | |
449 | show_boot_progress (50); | |
c609719b | 450 | |
d5934ad7 MB |
451 | image_print_contents (hdr); |
452 | ||
453 | cnt = image_get_image_size (hdr); | |
454 | break; | |
455 | #if defined(CONFIG_FIT) | |
456 | case IMAGE_FORMAT_FIT: | |
09475f75 | 457 | fit_hdr = (const void *)addr; |
09475f75 MB |
458 | puts ("Fit image detected...\n"); |
459 | ||
460 | cnt = fit_get_size (fit_hdr); | |
461 | break; | |
d5934ad7 MB |
462 | #endif |
463 | default: | |
09475f75 | 464 | show_boot_progress (-49); |
d5934ad7 | 465 | puts ("** Unknown image type\n"); |
1a344f29 WD |
466 | return 1; |
467 | } | |
1a344f29 | 468 | |
1a344f29 WD |
469 | cnt += info.blksz - 1; |
470 | cnt /= info.blksz; | |
471 | cnt -= 1; | |
472 | ||
c609719b WD |
473 | if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt, |
474 | (ulong *)(addr+info.blksz)) != cnt) { | |
475 | printf ("** Read error on %d:%d\n", dev, part); | |
fad63407 | 476 | show_boot_progress (-51); |
c609719b WD |
477 | return 1; |
478 | } | |
fad63407 | 479 | show_boot_progress (51); |
c609719b | 480 | |
09475f75 MB |
481 | #if defined(CONFIG_FIT) |
482 | /* This cannot be done earlier, we need complete FIT image in RAM first */ | |
3bab76a2 MB |
483 | if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) { |
484 | if (!fit_check_format (fit_hdr)) { | |
485 | show_boot_progress (-140); | |
486 | puts ("** Bad FIT image format\n"); | |
487 | return 1; | |
488 | } | |
489 | show_boot_progress (141); | |
490 | fit_print_contents (fit_hdr); | |
491 | } | |
09475f75 | 492 | #endif |
c609719b WD |
493 | |
494 | /* Loading ok, update default load address */ | |
495 | ||
496 | load_addr = addr; | |
497 | ||
498 | /* Check if we should attempt an auto-start */ | |
499 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
500 | char *local_args[2]; | |
501 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
502 | ||
503 | local_args[0] = argv[0]; | |
504 | local_args[1] = NULL; | |
505 | ||
506 | printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); | |
507 | ||
508 | do_bootm (cmdtp, 0, 1, local_args); | |
509 | rcode = 1; | |
510 | } | |
511 | return rcode; | |
512 | } | |
513 | ||
514 | /* ------------------------------------------------------------------------- */ | |
515 | ||
f2302d44 SR |
516 | void inline |
517 | __ide_outb(int dev, int port, unsigned char val) | |
518 | { | |
519 | debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n", | |
6d0f6bcf JCPV |
520 | dev, port, val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port))); |
521 | outb(val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port))); | |
f2302d44 | 522 | } |
2df72b82 | 523 | void ide_outb (int dev, int port, unsigned char val) |
f2302d44 SR |
524 | __attribute__((weak, alias("__ide_outb"))); |
525 | ||
526 | unsigned char inline | |
527 | __ide_inb(int dev, int port) | |
528 | { | |
529 | uchar val; | |
6d0f6bcf | 530 | val = inb((ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port))); |
f2302d44 | 531 | debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n", |
6d0f6bcf | 532 | dev, port, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)), val); |
f2302d44 SR |
533 | return val; |
534 | } | |
2df72b82 | 535 | unsigned char ide_inb(int dev, int port) |
f2302d44 SR |
536 | __attribute__((weak, alias("__ide_inb"))); |
537 | ||
36c2d306 SF |
538 | #ifdef CONFIG_TUNE_PIO |
539 | int inline | |
540 | __ide_set_piomode(int pio_mode) | |
541 | { | |
542 | return 0; | |
543 | } | |
544 | int inline ide_set_piomode(int pio_mode) | |
545 | __attribute__((weak, alias("__ide_set_piomode"))); | |
546 | #endif | |
547 | ||
c609719b WD |
548 | void ide_init (void) |
549 | { | |
c609719b WD |
550 | |
551 | #ifdef CONFIG_IDE_8xx_DIRECT | |
6d0f6bcf | 552 | volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; |
c609719b WD |
553 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); |
554 | #endif | |
555 | unsigned char c; | |
556 | int i, bus; | |
953b7e62 | 557 | #if defined(CONFIG_SC3) |
9045f33c | 558 | unsigned int ata_reset_time = ATA_RESET_TIME; |
51056dd9 | 559 | #endif |
9fd5e31f WD |
560 | #ifdef CONFIG_IDE_8xx_PCCARD |
561 | extern int pcmcia_on (void); | |
562 | extern int ide_devices_found; /* Initialized in check_ide_device() */ | |
563 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
564 | ||
565 | #ifdef CONFIG_IDE_PREINIT | |
4d13cbad | 566 | extern int ide_preinit (void); |
9fd5e31f WD |
567 | WATCHDOG_RESET(); |
568 | ||
569 | if (ide_preinit ()) { | |
570 | puts ("ide_preinit failed\n"); | |
571 | return; | |
572 | } | |
573 | #endif /* CONFIG_IDE_PREINIT */ | |
c609719b WD |
574 | |
575 | #ifdef CONFIG_IDE_8xx_PCCARD | |
576 | extern int pcmcia_on (void); | |
6069ff26 | 577 | extern int ide_devices_found; /* Initialized in check_ide_device() */ |
c609719b WD |
578 | |
579 | WATCHDOG_RESET(); | |
580 | ||
6069ff26 | 581 | ide_devices_found = 0; |
c609719b | 582 | /* initialize the PCMCIA IDE adapter card */ |
6069ff26 WD |
583 | pcmcia_on(); |
584 | if (!ide_devices_found) | |
c609719b WD |
585 | return; |
586 | udelay (1000000); /* 1 s */ | |
587 | #endif /* CONFIG_IDE_8xx_PCCARD */ | |
588 | ||
589 | WATCHDOG_RESET(); | |
590 | ||
15647dc7 | 591 | #ifdef CONFIG_IDE_8xx_DIRECT |
c609719b WD |
592 | /* Initialize PIO timing tables */ |
593 | for (i=0; i <= IDE_MAX_PIO_MODE; ++i) { | |
1a344f29 WD |
594 | pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, |
595 | gd->bus_clk); | |
596 | pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length, | |
597 | gd->bus_clk); | |
598 | pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, | |
599 | gd->bus_clk); | |
600 | debug ( "PIO Mode %d: setup=%2d ns/%d clk" | |
601 | " len=%3d ns/%d clk" | |
602 | " hold=%2d ns/%d clk\n", | |
603 | i, | |
604 | pio_config_ns[i].t_setup, pio_config_clk[i].t_setup, | |
605 | pio_config_ns[i].t_length, pio_config_clk[i].t_length, | |
606 | pio_config_ns[i].t_hold, pio_config_clk[i].t_hold); | |
c609719b | 607 | } |
15647dc7 | 608 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
c609719b WD |
609 | |
610 | /* Reset the IDE just to be sure. | |
611 | * Light LED's to show | |
612 | */ | |
613 | ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */ | |
614 | ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */ | |
615 | ||
616 | #ifdef CONFIG_IDE_8xx_DIRECT | |
617 | /* PCMCIA / IDE initialization for common mem space */ | |
618 | pcmp->pcmc_pgcrb = 0; | |
c609719b WD |
619 | |
620 | /* start in PIO mode 0 - most relaxed timings */ | |
621 | pio_mode = 0; | |
622 | set_pcmcia_timing (pio_mode); | |
15647dc7 | 623 | #endif /* CONFIG_IDE_8xx_DIRECT */ |
c609719b WD |
624 | |
625 | /* | |
626 | * Wait for IDE to get ready. | |
627 | * According to spec, this can take up to 31 seconds! | |
628 | */ | |
6d0f6bcf JCPV |
629 | for (bus=0; bus<CONFIG_SYS_IDE_MAXBUS; ++bus) { |
630 | int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS); | |
c609719b | 631 | |
6069ff26 WD |
632 | #ifdef CONFIG_IDE_8xx_PCCARD |
633 | /* Skip non-ide devices from probing */ | |
634 | if ((ide_devices_found & (1 << bus)) == 0) { | |
635 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
636 | continue; | |
637 | } | |
638 | #endif | |
c609719b WD |
639 | printf ("Bus %d: ", bus); |
640 | ||
641 | ide_bus_ok[bus] = 0; | |
642 | ||
643 | /* Select device | |
644 | */ | |
645 | udelay (100000); /* 100 ms */ | |
2262cfee | 646 | ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); |
c609719b | 647 | udelay (100000); /* 100 ms */ |
c609719b WD |
648 | i = 0; |
649 | do { | |
650 | udelay (10000); /* 10 ms */ | |
651 | ||
2262cfee | 652 | c = ide_inb (dev, ATA_STATUS); |
c609719b | 653 | i++; |
953b7e62 | 654 | #if defined(CONFIG_SC3) |
c7de829c WD |
655 | if (i > (ata_reset_time * 100)) { |
656 | #else | |
c609719b | 657 | if (i > (ATA_RESET_TIME * 100)) { |
c7de829c | 658 | #endif |
c609719b WD |
659 | puts ("** Timeout **\n"); |
660 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
661 | return; | |
662 | } | |
663 | if ((i >= 100) && ((i%100)==0)) { | |
664 | putc ('.'); | |
665 | } | |
666 | } while (c & ATA_STAT_BUSY); | |
667 | ||
668 | if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { | |
669 | puts ("not available "); | |
1a344f29 | 670 | debug ("Status = 0x%02X ", c); |
c609719b WD |
671 | #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ |
672 | } else if ((c & ATA_STAT_READY) == 0) { | |
673 | puts ("not available "); | |
1a344f29 | 674 | debug ("Status = 0x%02X ", c); |
c609719b WD |
675 | #endif |
676 | } else { | |
677 | puts ("OK "); | |
678 | ide_bus_ok[bus] = 1; | |
679 | } | |
680 | WATCHDOG_RESET(); | |
681 | } | |
c7de829c | 682 | |
c609719b WD |
683 | putc ('\n'); |
684 | ||
685 | ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ | |
686 | ||
687 | curr_device = -1; | |
6d0f6bcf | 688 | for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) { |
c609719b WD |
689 | #ifdef CONFIG_IDE_LED |
690 | int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; | |
691 | #endif | |
5cf9da48 | 692 | ide_dev_desc[i].type=DEV_TYPE_UNKNOWN; |
c609719b WD |
693 | ide_dev_desc[i].if_type=IF_TYPE_IDE; |
694 | ide_dev_desc[i].dev=i; | |
695 | ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN; | |
696 | ide_dev_desc[i].blksz=0; | |
697 | ide_dev_desc[i].lba=0; | |
698 | ide_dev_desc[i].block_read=ide_read; | |
699 | if (!ide_bus_ok[IDE_BUS(i)]) | |
700 | continue; | |
701 | ide_led (led, 1); /* LED on */ | |
702 | ide_ident(&ide_dev_desc[i]); | |
703 | ide_led (led, 0); /* LED off */ | |
704 | dev_print(&ide_dev_desc[i]); | |
705 | /* ide_print (i); */ | |
706 | if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { | |
707 | init_part (&ide_dev_desc[i]); /* initialize partition type */ | |
708 | if (curr_device < 0) | |
709 | curr_device = i; | |
710 | } | |
711 | } | |
712 | WATCHDOG_RESET(); | |
713 | } | |
714 | ||
715 | /* ------------------------------------------------------------------------- */ | |
716 | ||
717 | block_dev_desc_t * ide_get_dev(int dev) | |
718 | { | |
6d0f6bcf | 719 | return (dev < CONFIG_SYS_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL; |
c609719b WD |
720 | } |
721 | ||
722 | ||
723 | #ifdef CONFIG_IDE_8xx_DIRECT | |
724 | ||
725 | static void | |
726 | set_pcmcia_timing (int pmode) | |
727 | { | |
6d0f6bcf | 728 | volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; |
c609719b WD |
729 | volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); |
730 | ulong timings; | |
731 | ||
1a344f29 | 732 | debug ("Set timing for PIO Mode %d\n", pmode); |
c609719b WD |
733 | |
734 | timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold) | |
735 | | PCMCIA_SST(pio_config_clk[pmode].t_setup) | |
736 | | PCMCIA_SL (pio_config_clk[pmode].t_length) | |
737 | ; | |
738 | ||
739 | /* IDE 0 | |
740 | */ | |
6d0f6bcf JCPV |
741 | pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0; |
742 | pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0 | |
743 | #if (CONFIG_SYS_PCMCIA_POR0 != 0) | |
c609719b WD |
744 | | timings |
745 | #endif | |
746 | ; | |
1a344f29 | 747 | debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); |
c609719b | 748 | |
6d0f6bcf JCPV |
749 | pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1; |
750 | pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1 | |
751 | #if (CONFIG_SYS_PCMCIA_POR1 != 0) | |
c609719b WD |
752 | | timings |
753 | #endif | |
754 | ; | |
1a344f29 | 755 | debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); |
c609719b | 756 | |
6d0f6bcf JCPV |
757 | pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2; |
758 | pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2 | |
759 | #if (CONFIG_SYS_PCMCIA_POR2 != 0) | |
c609719b WD |
760 | | timings |
761 | #endif | |
762 | ; | |
1a344f29 | 763 | debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); |
c609719b | 764 | |
6d0f6bcf JCPV |
765 | pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3; |
766 | pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3 | |
767 | #if (CONFIG_SYS_PCMCIA_POR3 != 0) | |
c609719b WD |
768 | | timings |
769 | #endif | |
770 | ; | |
1a344f29 | 771 | debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); |
c609719b WD |
772 | |
773 | /* IDE 1 | |
774 | */ | |
6d0f6bcf JCPV |
775 | pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4; |
776 | pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4 | |
777 | #if (CONFIG_SYS_PCMCIA_POR4 != 0) | |
c609719b WD |
778 | | timings |
779 | #endif | |
780 | ; | |
1a344f29 | 781 | debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); |
c609719b | 782 | |
6d0f6bcf JCPV |
783 | pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5; |
784 | pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5 | |
785 | #if (CONFIG_SYS_PCMCIA_POR5 != 0) | |
c609719b WD |
786 | | timings |
787 | #endif | |
788 | ; | |
1a344f29 | 789 | debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); |
c609719b | 790 | |
6d0f6bcf JCPV |
791 | pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6; |
792 | pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6 | |
793 | #if (CONFIG_SYS_PCMCIA_POR6 != 0) | |
c609719b WD |
794 | | timings |
795 | #endif | |
796 | ; | |
1a344f29 | 797 | debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); |
c609719b | 798 | |
6d0f6bcf JCPV |
799 | pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7; |
800 | pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7 | |
801 | #if (CONFIG_SYS_PCMCIA_POR7 != 0) | |
c609719b WD |
802 | | timings |
803 | #endif | |
804 | ; | |
1a344f29 | 805 | debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); |
c609719b WD |
806 | |
807 | } | |
808 | ||
809 | #endif /* CONFIG_IDE_8xx_DIRECT */ | |
810 | ||
811 | /* ------------------------------------------------------------------------- */ | |
812 | ||
5da627a4 WD |
813 | /* We only need to swap data if we are running on a big endian cpu. */ |
814 | /* But Au1x00 cpu:s already swaps data in big endian mode! */ | |
0c32d96d | 815 | #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) ) |
5da627a4 WD |
816 | #define input_swap_data(x,y,z) input_data(x,y,z) |
817 | #else | |
c609719b WD |
818 | static void |
819 | input_swap_data(int dev, ulong *sect_buf, int words) | |
820 | { | |
1a344f29 | 821 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) |
a522fa0e WD |
822 | uchar i; |
823 | volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
824 | volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
825 | ushort *dbuf = (ushort *)sect_buf; | |
826 | ||
827 | while (words--) { | |
828 | for (i=0; i<2; i++) { | |
829 | *(((uchar *)(dbuf)) + 1) = *pbuf_even; | |
830 | *(uchar *)dbuf = *pbuf_odd; | |
831 | dbuf+=1; | |
832 | } | |
833 | } | |
f4733a07 | 834 | #else |
1a344f29 WD |
835 | volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); |
836 | ushort *dbuf = (ushort *)sect_buf; | |
837 | ||
838 | debug("in input swap data base for read is %lx\n", (unsigned long) pbuf); | |
839 | ||
840 | while (words--) { | |
0c32d96d WD |
841 | #ifdef __MIPS__ |
842 | *dbuf++ = swab16p((u16*)pbuf); | |
843 | *dbuf++ = swab16p((u16*)pbuf); | |
566a494f HS |
844 | #elif defined(CONFIG_PCS440EP) |
845 | *dbuf++ = *pbuf; | |
846 | *dbuf++ = *pbuf; | |
0c32d96d | 847 | #else |
1a344f29 WD |
848 | *dbuf++ = ld_le16(pbuf); |
849 | *dbuf++ = ld_le16(pbuf); | |
0c32d96d | 850 | #endif /* !MIPS */ |
1a344f29 WD |
851 | } |
852 | #endif | |
c609719b | 853 | } |
5da627a4 | 854 | #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */ |
2262cfee WD |
855 | |
856 | ||
f2a37fcd | 857 | #if defined(CONFIG_IDE_SWAP_IO) |
c609719b WD |
858 | static void |
859 | output_data(int dev, ulong *sect_buf, int words) | |
860 | { | |
1a344f29 | 861 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) |
a522fa0e WD |
862 | uchar *dbuf; |
863 | volatile uchar *pbuf_even; | |
864 | volatile uchar *pbuf_odd; | |
865 | ||
866 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
867 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
868 | dbuf = (uchar *)sect_buf; | |
869 | while (words--) { | |
5cf91d6b | 870 | EIEIO; |
a522fa0e | 871 | *pbuf_even = *dbuf++; |
5cf91d6b | 872 | EIEIO; |
a522fa0e | 873 | *pbuf_odd = *dbuf++; |
5cf91d6b | 874 | EIEIO; |
a522fa0e | 875 | *pbuf_even = *dbuf++; |
5cf91d6b | 876 | EIEIO; |
a522fa0e WD |
877 | *pbuf_odd = *dbuf++; |
878 | } | |
1a344f29 WD |
879 | #else |
880 | ushort *dbuf; | |
881 | volatile ushort *pbuf; | |
882 | ||
883 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
884 | dbuf = (ushort *)sect_buf; | |
885 | while (words--) { | |
566a494f HS |
886 | #if defined(CONFIG_PCS440EP) |
887 | /* not tested, because CF was write protected */ | |
888 | EIEIO; | |
889 | *pbuf = ld_le16(dbuf++); | |
890 | EIEIO; | |
891 | *pbuf = ld_le16(dbuf++); | |
892 | #else | |
1a344f29 WD |
893 | EIEIO; |
894 | *pbuf = *dbuf++; | |
895 | EIEIO; | |
896 | *pbuf = *dbuf++; | |
566a494f | 897 | #endif |
1a344f29 WD |
898 | } |
899 | #endif | |
c609719b | 900 | } |
f2a37fcd | 901 | #else /* ! CONFIG_IDE_SWAP_IO */ |
2262cfee WD |
902 | static void |
903 | output_data(int dev, ulong *sect_buf, int words) | |
904 | { | |
15647dc7 | 905 | outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1); |
2262cfee | 906 | } |
f2a37fcd | 907 | #endif /* CONFIG_IDE_SWAP_IO */ |
c609719b | 908 | |
f2a37fcd | 909 | #if defined(CONFIG_IDE_SWAP_IO) |
c609719b WD |
910 | static void |
911 | input_data(int dev, ulong *sect_buf, int words) | |
912 | { | |
1a344f29 | 913 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) |
a522fa0e WD |
914 | uchar *dbuf; |
915 | volatile uchar *pbuf_even; | |
916 | volatile uchar *pbuf_odd; | |
917 | ||
918 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
919 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
920 | dbuf = (uchar *)sect_buf; | |
921 | while (words--) { | |
1a344f29 | 922 | *dbuf++ = *pbuf_even; |
cd172b71 | 923 | EIEIO; |
1a344f29 WD |
924 | SYNC; |
925 | *dbuf++ = *pbuf_odd; | |
5cf91d6b | 926 | EIEIO; |
1a344f29 | 927 | SYNC; |
a522fa0e | 928 | *dbuf++ = *pbuf_even; |
5cf91d6b | 929 | EIEIO; |
1a344f29 | 930 | SYNC; |
a522fa0e | 931 | *dbuf++ = *pbuf_odd; |
5cf91d6b | 932 | EIEIO; |
1a344f29 WD |
933 | SYNC; |
934 | } | |
935 | #else | |
936 | ushort *dbuf; | |
937 | volatile ushort *pbuf; | |
938 | ||
939 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
940 | dbuf = (ushort *)sect_buf; | |
941 | ||
942 | debug("in input data base for read is %lx\n", (unsigned long) pbuf); | |
943 | ||
944 | while (words--) { | |
566a494f HS |
945 | #if defined(CONFIG_PCS440EP) |
946 | EIEIO; | |
947 | *dbuf++ = ld_le16(pbuf); | |
948 | EIEIO; | |
949 | *dbuf++ = ld_le16(pbuf); | |
950 | #else | |
cd172b71 | 951 | EIEIO; |
1a344f29 | 952 | *dbuf++ = *pbuf; |
cd172b71 | 953 | EIEIO; |
1a344f29 | 954 | *dbuf++ = *pbuf; |
566a494f | 955 | #endif |
a522fa0e | 956 | } |
1a344f29 | 957 | #endif |
c609719b | 958 | } |
f2a37fcd | 959 | #else /* ! CONFIG_IDE_SWAP_IO */ |
2262cfee WD |
960 | static void |
961 | input_data(int dev, ulong *sect_buf, int words) | |
962 | { | |
15647dc7 | 963 | insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1); |
2262cfee WD |
964 | } |
965 | ||
f2a37fcd | 966 | #endif /* CONFIG_IDE_SWAP_IO */ |
c609719b WD |
967 | |
968 | /* ------------------------------------------------------------------------- | |
969 | */ | |
970 | static void ide_ident (block_dev_desc_t *dev_desc) | |
971 | { | |
972 | ulong iobuf[ATA_SECTORWORDS]; | |
973 | unsigned char c; | |
974 | hd_driveid_t *iop = (hd_driveid_t *)iobuf; | |
975 | ||
64f70bed WD |
976 | #ifdef CONFIG_ATAPI |
977 | int retries = 0; | |
c7de829c WD |
978 | int do_retry = 0; |
979 | #endif | |
980 | ||
36c2d306 SF |
981 | #ifdef CONFIG_TUNE_PIO |
982 | int pio_mode; | |
983 | #endif | |
984 | ||
c609719b WD |
985 | #if 0 |
986 | int mode, cycle_time; | |
987 | #endif | |
988 | int device; | |
989 | device=dev_desc->dev; | |
990 | printf (" Device %d: ", device); | |
991 | ||
992 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
993 | /* Select device | |
994 | */ | |
2262cfee | 995 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
996 | dev_desc->if_type=IF_TYPE_IDE; |
997 | #ifdef CONFIG_ATAPI | |
c7de829c | 998 | |
c7de829c WD |
999 | do_retry = 0; |
1000 | retries = 0; | |
1001 | ||
1002 | /* Warning: This will be tricky to read */ | |
c40b2956 | 1003 | while (retries <= 1) { |
c609719b | 1004 | /* check signature */ |
2262cfee WD |
1005 | if ((ide_inb(device,ATA_SECT_CNT) == 0x01) && |
1006 | (ide_inb(device,ATA_SECT_NUM) == 0x01) && | |
1007 | (ide_inb(device,ATA_CYL_LOW) == 0x14) && | |
1008 | (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) { | |
c609719b WD |
1009 | /* ATAPI Signature found */ |
1010 | dev_desc->if_type=IF_TYPE_ATAPI; | |
1011 | /* Start Ident Command | |
1012 | */ | |
2262cfee | 1013 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT); |
c609719b WD |
1014 | /* |
1015 | * Wait for completion - ATAPI devices need more time | |
1016 | * to become ready | |
1017 | */ | |
1018 | c = ide_wait (device, ATAPI_TIME_OUT); | |
c40b2956 | 1019 | } else |
c609719b WD |
1020 | #endif |
1021 | { | |
1022 | /* Start Ident Command | |
1023 | */ | |
2262cfee | 1024 | ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT); |
c609719b WD |
1025 | |
1026 | /* Wait for completion | |
1027 | */ | |
1028 | c = ide_wait (device, IDE_TIME_OUT); | |
1029 | } | |
1030 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1031 | ||
1032 | if (((c & ATA_STAT_DRQ) == 0) || | |
1033 | ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) { | |
64f70bed | 1034 | #ifdef CONFIG_ATAPI |
1a344f29 WD |
1035 | { |
1036 | /* Need to soft reset the device in case it's an ATAPI... */ | |
1037 | debug ("Retrying...\n"); | |
1038 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); | |
1039 | udelay(100000); | |
1040 | ide_outb (device, ATA_COMMAND, 0x08); | |
1041 | udelay (500000); /* 500 ms */ | |
1042 | } | |
64f70bed WD |
1043 | /* Select device |
1044 | */ | |
c7de829c | 1045 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c7de829c | 1046 | retries++; |
64f70bed WD |
1047 | #else |
1048 | return; | |
1049 | #endif | |
c609719b | 1050 | } |
64f70bed WD |
1051 | #ifdef CONFIG_ATAPI |
1052 | else | |
1053 | break; | |
c7de829c | 1054 | } /* see above - ugly to read */ |
64f70bed WD |
1055 | |
1056 | if (retries == 2) /* Not found */ | |
1057 | return; | |
1058 | #endif | |
c609719b WD |
1059 | |
1060 | input_swap_data (device, iobuf, ATA_SECTORWORDS); | |
1061 | ||
7a60ee7c JCPV |
1062 | ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision)); |
1063 | ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor)); | |
1064 | ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product)); | |
c3f9d493 WD |
1065 | #ifdef __LITTLE_ENDIAN |
1066 | /* | |
bcdf1d2c RR |
1067 | * firmware revision, model, and serial number have Big Endian Byte |
1068 | * order in Word. Convert all three to little endian. | |
c3f9d493 WD |
1069 | * |
1070 | * See CF+ and CompactFlash Specification Revision 2.0: | |
bcdf1d2c | 1071 | * 6.2.1.6: Identify Drive, Table 39 for more details |
c3f9d493 WD |
1072 | */ |
1073 | ||
1074 | strswab (dev_desc->revision); | |
1075 | strswab (dev_desc->vendor); | |
bcdf1d2c | 1076 | strswab (dev_desc->product); |
c3f9d493 | 1077 | #endif /* __LITTLE_ENDIAN */ |
c609719b WD |
1078 | |
1079 | if ((iop->config & 0x0080)==0x0080) | |
1080 | dev_desc->removable = 1; | |
1081 | else | |
1082 | dev_desc->removable = 0; | |
1083 | ||
36c2d306 SF |
1084 | #ifdef CONFIG_TUNE_PIO |
1085 | /* Mode 0 - 2 only, are directly determined by word 51. */ | |
1086 | pio_mode = iop->tPIO; | |
1087 | if (pio_mode > 2) { | |
1088 | printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode); | |
1089 | pio_mode = 0; /* Force it to dead slow, and hope for the best... */ | |
1090 | } | |
1091 | ||
1092 | /* Any CompactFlash Storage Card that supports PIO mode 3 or above | |
1093 | * shall set bit 1 of word 53 to one and support the fields contained | |
1094 | * in words 64 through 70. | |
1095 | */ | |
1096 | if (iop->field_valid & 0x02) { | |
1097 | /* Mode 3 and above are possible. Check in order from slow | |
1098 | * to fast, so we wind up with the highest mode allowed. | |
1099 | */ | |
1100 | if (iop->eide_pio_modes & 0x01) | |
1101 | pio_mode = 3; | |
1102 | if (iop->eide_pio_modes & 0x02) | |
1103 | pio_mode = 4; | |
1104 | if (ata_id_is_cfa((u16 *)iop)) { | |
1105 | if ((iop->cf_advanced_caps & 0x07) == 0x01) | |
1106 | pio_mode = 5; | |
1107 | if ((iop->cf_advanced_caps & 0x07) == 0x02) | |
1108 | pio_mode = 6; | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | /* System-specific, depends on bus speeds, etc. */ | |
1113 | ide_set_piomode(pio_mode); | |
1114 | #endif /* CONFIG_TUNE_PIO */ | |
1115 | ||
c609719b WD |
1116 | #if 0 |
1117 | /* | |
1118 | * Drive PIO mode autoselection | |
1119 | */ | |
1120 | mode = iop->tPIO; | |
1121 | ||
1122 | printf ("tPIO = 0x%02x = %d\n",mode, mode); | |
1123 | if (mode > 2) { /* 2 is maximum allowed tPIO value */ | |
1124 | mode = 2; | |
1a344f29 | 1125 | debug ("Override tPIO -> 2\n"); |
c609719b WD |
1126 | } |
1127 | if (iop->field_valid & 2) { /* drive implements ATA2? */ | |
1a344f29 | 1128 | debug ("Drive implements ATA2\n"); |
c609719b WD |
1129 | if (iop->capability & 8) { /* drive supports use_iordy? */ |
1130 | cycle_time = iop->eide_pio_iordy; | |
1131 | } else { | |
1132 | cycle_time = iop->eide_pio; | |
1133 | } | |
1a344f29 | 1134 | debug ("cycle time = %d\n", cycle_time); |
c609719b WD |
1135 | mode = 4; |
1136 | if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */ | |
1137 | if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */ | |
1138 | if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */ | |
1139 | if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */ | |
1140 | } | |
1141 | printf ("PIO mode to use: PIO %d\n", mode); | |
1142 | #endif /* 0 */ | |
1143 | ||
1144 | #ifdef CONFIG_ATAPI | |
1145 | if (dev_desc->if_type==IF_TYPE_ATAPI) { | |
1146 | atapi_inquiry(dev_desc); | |
1147 | return; | |
1148 | } | |
1149 | #endif /* CONFIG_ATAPI */ | |
1150 | ||
c3f9d493 | 1151 | #ifdef __BIG_ENDIAN |
c609719b WD |
1152 | /* swap shorts */ |
1153 | dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16); | |
c3f9d493 WD |
1154 | #else /* ! __BIG_ENDIAN */ |
1155 | /* | |
1156 | * do not swap shorts on little endian | |
1157 | * | |
1158 | * See CF+ and CompactFlash Specification Revision 2.0: | |
1159 | * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details. | |
1160 | */ | |
1161 | dev_desc->lba = iop->lba_capacity; | |
1162 | #endif /* __BIG_ENDIAN */ | |
c40b2956 | 1163 | |
42dfe7a1 | 1164 | #ifdef CONFIG_LBA48 |
c40b2956 | 1165 | if (iop->command_set_2 & 0x0400) { /* LBA 48 support */ |
6e592385 WD |
1166 | dev_desc->lba48 = 1; |
1167 | dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] | | |
c40b2956 WD |
1168 | ((unsigned long long)iop->lba48_capacity[1] << 16) | |
1169 | ((unsigned long long)iop->lba48_capacity[2] << 32) | | |
1170 | ((unsigned long long)iop->lba48_capacity[3] << 48); | |
1171 | } else { | |
c40b2956 WD |
1172 | dev_desc->lba48 = 0; |
1173 | } | |
1174 | #endif /* CONFIG_LBA48 */ | |
c609719b WD |
1175 | /* assuming HD */ |
1176 | dev_desc->type=DEV_TYPE_HARDDISK; | |
1177 | dev_desc->blksz=ATA_BLOCKSIZE; | |
1178 | dev_desc->lun=0; /* just to fill something in... */ | |
1179 | ||
53677ef1 | 1180 | #if 0 /* only used to test the powersaving mode, |
c609719b WD |
1181 | * if enabled, the drive goes after 5 sec |
1182 | * in standby mode */ | |
2262cfee | 1183 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1184 | c = ide_wait (device, IDE_TIME_OUT); |
2262cfee WD |
1185 | ide_outb (device, ATA_SECT_CNT, 1); |
1186 | ide_outb (device, ATA_LBA_LOW, 0); | |
1187 | ide_outb (device, ATA_LBA_MID, 0); | |
1188 | ide_outb (device, ATA_LBA_HIGH, 0); | |
1a344f29 | 1189 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
2262cfee | 1190 | ide_outb (device, ATA_COMMAND, 0xe3); |
c609719b WD |
1191 | udelay (50); |
1192 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1193 | #endif | |
1194 | } | |
1195 | ||
1196 | ||
1197 | /* ------------------------------------------------------------------------- */ | |
1198 | ||
eb867a76 | 1199 | ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer) |
c609719b WD |
1200 | { |
1201 | ulong n = 0; | |
1202 | unsigned char c; | |
1203 | unsigned char pwrsave=0; /* power save */ | |
42dfe7a1 | 1204 | #ifdef CONFIG_LBA48 |
c40b2956 | 1205 | unsigned char lba48 = 0; |
c609719b | 1206 | |
413bf586 | 1207 | if (blknr & 0x0000fffff0000000ULL) { |
c40b2956 WD |
1208 | /* more than 28 bits used, use 48bit mode */ |
1209 | lba48 = 1; | |
1210 | } | |
1211 | #endif | |
6c6166f5 | 1212 | debug ("ide_read dev %d start %LX, blocks %lX buffer at %lX\n", |
c609719b WD |
1213 | device, blknr, blkcnt, (ulong)buffer); |
1214 | ||
1215 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1216 | ||
1217 | /* Select device | |
1218 | */ | |
2262cfee | 1219 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1220 | c = ide_wait (device, IDE_TIME_OUT); |
1221 | ||
1222 | if (c & ATA_STAT_BUSY) { | |
1223 | printf ("IDE read: device %d not ready\n", device); | |
1224 | goto IDE_READ_E; | |
1225 | } | |
1226 | ||
1227 | /* first check if the drive is in Powersaving mode, if yes, | |
1228 | * increase the timeout value */ | |
2262cfee | 1229 | ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR); |
c609719b WD |
1230 | udelay (50); |
1231 | ||
1232 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1233 | ||
1234 | if (c & ATA_STAT_BUSY) { | |
1235 | printf ("IDE read: device %d not ready\n", device); | |
1236 | goto IDE_READ_E; | |
1237 | } | |
1238 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
1239 | printf ("No Powersaving mode %X\n", c); | |
1240 | } else { | |
2262cfee | 1241 | c = ide_inb(device,ATA_SECT_CNT); |
1a344f29 | 1242 | debug ("Powersaving %02X\n",c); |
c609719b WD |
1243 | if(c==0) |
1244 | pwrsave=1; | |
1245 | } | |
1246 | ||
1247 | ||
1248 | while (blkcnt-- > 0) { | |
1249 | ||
1250 | c = ide_wait (device, IDE_TIME_OUT); | |
1251 | ||
1252 | if (c & ATA_STAT_BUSY) { | |
1253 | printf ("IDE read: device %d not ready\n", device); | |
1254 | break; | |
1255 | } | |
42dfe7a1 | 1256 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1257 | if (lba48) { |
1258 | /* write high bits */ | |
1259 | ide_outb (device, ATA_SECT_CNT, 0); | |
1260 | ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
6d0f6bcf | 1261 | #ifdef CONFIG_SYS_64BIT_LBA |
c40b2956 WD |
1262 | ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); |
1263 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
413bf586 GL |
1264 | #else |
1265 | ide_outb (device, ATA_LBA_MID, 0); | |
1266 | ide_outb (device, ATA_LBA_HIGH, 0); | |
1267 | #endif | |
c40b2956 WD |
1268 | } |
1269 | #endif | |
2262cfee WD |
1270 | ide_outb (device, ATA_SECT_CNT, 1); |
1271 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1272 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1273 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1274 | |
42dfe7a1 | 1275 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1276 | if (lba48) { |
1277 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); | |
1278 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT); | |
1279 | ||
1280 | } else | |
1281 | #endif | |
1282 | { | |
1283 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
1284 | ATA_DEVICE(device) | | |
1285 | ((blknr >> 24) & 0xF) ); | |
1286 | ide_outb (device, ATA_COMMAND, ATA_CMD_READ); | |
1287 | } | |
c609719b WD |
1288 | |
1289 | udelay (50); | |
1290 | ||
1291 | if(pwrsave) { | |
1292 | c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */ | |
1293 | pwrsave=0; | |
1294 | } else { | |
1295 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1296 | } | |
1297 | ||
1298 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
4b142feb | 1299 | #if defined(CONFIG_SYS_64BIT_LBA) |
6c6166f5 | 1300 | printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n", |
c609719b | 1301 | device, blknr, c); |
c40b2956 WD |
1302 | #else |
1303 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1304 | device, (ulong)blknr, c); | |
1305 | #endif | |
c609719b WD |
1306 | break; |
1307 | } | |
1308 | ||
1309 | input_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1310 | (void) ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1311 | |
1312 | ++n; | |
1313 | ++blknr; | |
0b94504d | 1314 | buffer += ATA_BLOCKSIZE; |
c609719b WD |
1315 | } |
1316 | IDE_READ_E: | |
1317 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1318 | return (n); | |
1319 | } | |
1320 | ||
1321 | /* ------------------------------------------------------------------------- */ | |
1322 | ||
1323 | ||
eb867a76 | 1324 | ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer) |
c609719b WD |
1325 | { |
1326 | ulong n = 0; | |
1327 | unsigned char c; | |
42dfe7a1 | 1328 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1329 | unsigned char lba48 = 0; |
1330 | ||
413bf586 | 1331 | if (blknr & 0x0000fffff0000000ULL) { |
c40b2956 WD |
1332 | /* more than 28 bits used, use 48bit mode */ |
1333 | lba48 = 1; | |
1334 | } | |
1335 | #endif | |
c609719b WD |
1336 | |
1337 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1338 | ||
1339 | /* Select device | |
1340 | */ | |
2262cfee | 1341 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1342 | |
1343 | while (blkcnt-- > 0) { | |
1344 | ||
1345 | c = ide_wait (device, IDE_TIME_OUT); | |
1346 | ||
1347 | if (c & ATA_STAT_BUSY) { | |
1348 | printf ("IDE read: device %d not ready\n", device); | |
1349 | goto WR_OUT; | |
1350 | } | |
42dfe7a1 | 1351 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1352 | if (lba48) { |
1353 | /* write high bits */ | |
1354 | ide_outb (device, ATA_SECT_CNT, 0); | |
1355 | ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); | |
6d0f6bcf | 1356 | #ifdef CONFIG_SYS_64BIT_LBA |
c40b2956 WD |
1357 | ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); |
1358 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); | |
413bf586 GL |
1359 | #else |
1360 | ide_outb (device, ATA_LBA_MID, 0); | |
1361 | ide_outb (device, ATA_LBA_HIGH, 0); | |
1362 | #endif | |
c40b2956 WD |
1363 | } |
1364 | #endif | |
2262cfee WD |
1365 | ide_outb (device, ATA_SECT_CNT, 1); |
1366 | ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); | |
1367 | ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); | |
1368 | ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); | |
c40b2956 | 1369 | |
42dfe7a1 | 1370 | #ifdef CONFIG_LBA48 |
c40b2956 WD |
1371 | if (lba48) { |
1372 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); | |
1373 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT); | |
1374 | ||
1375 | } else | |
1376 | #endif | |
1377 | { | |
1378 | ide_outb (device, ATA_DEV_HD, ATA_LBA | | |
1379 | ATA_DEVICE(device) | | |
1380 | ((blknr >> 24) & 0xF) ); | |
1381 | ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE); | |
1382 | } | |
c609719b WD |
1383 | |
1384 | udelay (50); | |
1385 | ||
1386 | c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ | |
1387 | ||
1388 | if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { | |
4b142feb | 1389 | #if defined(CONFIG_SYS_64BIT_LBA) |
6c6166f5 | 1390 | printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n", |
c609719b | 1391 | device, blknr, c); |
c40b2956 WD |
1392 | #else |
1393 | printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", | |
1394 | device, (ulong)blknr, c); | |
1395 | #endif | |
c609719b WD |
1396 | goto WR_OUT; |
1397 | } | |
1398 | ||
1399 | output_data (device, buffer, ATA_SECTORWORDS); | |
2262cfee | 1400 | c = ide_inb (device, ATA_STATUS); /* clear IRQ */ |
c609719b WD |
1401 | ++n; |
1402 | ++blknr; | |
0b94504d | 1403 | buffer += ATA_BLOCKSIZE; |
c609719b WD |
1404 | } |
1405 | WR_OUT: | |
1406 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1407 | return (n); | |
1408 | } | |
1409 | ||
1410 | /* ------------------------------------------------------------------------- */ | |
1411 | ||
1412 | /* | |
1413 | * copy src to dest, skipping leading and trailing blanks and null | |
1414 | * terminate the string | |
7d7ce412 | 1415 | * "len" is the size of available memory including the terminating '\0' |
c609719b | 1416 | */ |
7d7ce412 | 1417 | static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len) |
c609719b | 1418 | { |
7d7ce412 WD |
1419 | unsigned char *end, *last; |
1420 | ||
1421 | last = dst; | |
6fb6af6d | 1422 | end = src + len - 1; |
7d7ce412 WD |
1423 | |
1424 | /* reserve space for '\0' */ | |
1425 | if (len < 2) | |
1426 | goto OUT; | |
efa329cb | 1427 | |
7d7ce412 WD |
1428 | /* skip leading white space */ |
1429 | while ((*src) && (src<end) && (*src==' ')) | |
1430 | ++src; | |
1431 | ||
1432 | /* copy string, omitting trailing white space */ | |
1433 | while ((*src) && (src<end)) { | |
1434 | *dst++ = *src; | |
1435 | if (*src++ != ' ') | |
1436 | last = dst; | |
c609719b | 1437 | } |
7d7ce412 WD |
1438 | OUT: |
1439 | *last = '\0'; | |
c609719b WD |
1440 | } |
1441 | ||
1442 | /* ------------------------------------------------------------------------- */ | |
1443 | ||
1444 | /* | |
1445 | * Wait until Busy bit is off, or timeout (in ms) | |
1446 | * Return last status | |
1447 | */ | |
1448 | static uchar ide_wait (int dev, ulong t) | |
1449 | { | |
1450 | ulong delay = 10 * t; /* poll every 100 us */ | |
1451 | uchar c; | |
1452 | ||
2262cfee | 1453 | while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { |
c609719b WD |
1454 | udelay (100); |
1455 | if (delay-- == 0) { | |
1456 | break; | |
1457 | } | |
1458 | } | |
1459 | return (c); | |
1460 | } | |
1461 | ||
1462 | /* ------------------------------------------------------------------------- */ | |
1463 | ||
1464 | #ifdef CONFIG_IDE_RESET | |
1465 | extern void ide_set_reset(int idereset); | |
1466 | ||
1467 | static void ide_reset (void) | |
1468 | { | |
6d0f6bcf JCPV |
1469 | #if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR) |
1470 | volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; | |
c609719b WD |
1471 | #endif |
1472 | int i; | |
1473 | ||
1474 | curr_device = -1; | |
6d0f6bcf | 1475 | for (i=0; i<CONFIG_SYS_IDE_MAXBUS; ++i) |
c609719b | 1476 | ide_bus_ok[i] = 0; |
6d0f6bcf | 1477 | for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) |
c609719b WD |
1478 | ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; |
1479 | ||
1480 | ide_set_reset (1); /* assert reset */ | |
1481 | ||
e175eacc MK |
1482 | /* the reset signal shall be asserted for et least 25 us */ |
1483 | udelay(25); | |
1484 | ||
c609719b WD |
1485 | WATCHDOG_RESET(); |
1486 | ||
6d0f6bcf JCPV |
1487 | #ifdef CONFIG_SYS_PB_12V_ENABLE |
1488 | immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE); /* 12V Enable output OFF */ | |
1489 | immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_12V_ENABLE); | |
1490 | immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_12V_ENABLE); | |
1491 | immr->im_cpm.cp_pbdir |= CONFIG_SYS_PB_12V_ENABLE; | |
c609719b WD |
1492 | |
1493 | /* wait 500 ms for the voltage to stabilize | |
1494 | */ | |
1495 | for (i=0; i<500; ++i) { | |
1496 | udelay (1000); | |
1497 | } | |
1498 | ||
6d0f6bcf JCPV |
1499 | immr->im_cpm.cp_pbdat |= CONFIG_SYS_PB_12V_ENABLE; /* 12V Enable output ON */ |
1500 | #endif /* CONFIG_SYS_PB_12V_ENABLE */ | |
c609719b | 1501 | |
6d0f6bcf | 1502 | #ifdef CONFIG_SYS_PB_IDE_MOTOR |
c609719b | 1503 | /* configure IDE Motor voltage monitor pin as input */ |
6d0f6bcf JCPV |
1504 | immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_IDE_MOTOR); |
1505 | immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_IDE_MOTOR); | |
1506 | immr->im_cpm.cp_pbdir &= ~(CONFIG_SYS_PB_IDE_MOTOR); | |
c609719b WD |
1507 | |
1508 | /* wait up to 1 s for the motor voltage to stabilize | |
1509 | */ | |
1510 | for (i=0; i<1000; ++i) { | |
6d0f6bcf | 1511 | if ((immr->im_cpm.cp_pbdat & CONFIG_SYS_PB_IDE_MOTOR) != 0) { |
c609719b WD |
1512 | break; |
1513 | } | |
1514 | udelay (1000); | |
1515 | } | |
1516 | ||
1517 | if (i == 1000) { /* Timeout */ | |
1518 | printf ("\nWarning: 5V for IDE Motor missing\n"); | |
1519 | # ifdef CONFIG_STATUS_LED | |
1520 | # ifdef STATUS_LED_YELLOW | |
1521 | status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON ); | |
1522 | # endif | |
1523 | # ifdef STATUS_LED_GREEN | |
1524 | status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF); | |
1525 | # endif | |
1526 | # endif /* CONFIG_STATUS_LED */ | |
1527 | } | |
6d0f6bcf | 1528 | #endif /* CONFIG_SYS_PB_IDE_MOTOR */ |
c609719b WD |
1529 | |
1530 | WATCHDOG_RESET(); | |
1531 | ||
1532 | /* de-assert RESET signal */ | |
1533 | ide_set_reset(0); | |
1534 | ||
1535 | /* wait 250 ms */ | |
1536 | for (i=0; i<250; ++i) { | |
1537 | udelay (1000); | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | #endif /* CONFIG_IDE_RESET */ | |
1542 | ||
1543 | /* ------------------------------------------------------------------------- */ | |
1544 | ||
e2ffd59b | 1545 | #if defined(CONFIG_IDE_LED) && \ |
e2ffd59b WD |
1546 | !defined(CONFIG_CPC45) && \ |
1547 | !defined(CONFIG_HMI10) && \ | |
1548 | !defined(CONFIG_KUP4K) && \ | |
1549 | !defined(CONFIG_KUP4X) | |
c609719b WD |
1550 | |
1551 | static uchar led_buffer = 0; /* Buffer for current LED status */ | |
1552 | ||
1553 | static void ide_led (uchar led, uchar status) | |
1554 | { | |
1555 | uchar *led_port = LED_PORT; | |
1556 | ||
1557 | if (status) { /* switch LED on */ | |
1558 | led_buffer |= led; | |
1559 | } else { /* switch LED off */ | |
1560 | led_buffer &= ~led; | |
1561 | } | |
1562 | ||
1563 | *led_port = led_buffer; | |
1564 | } | |
1565 | ||
1566 | #endif /* CONFIG_IDE_LED */ | |
1567 | ||
3887c3fb HS |
1568 | #if defined(CONFIG_OF_IDE_FIXUP) |
1569 | int ide_device_present(int dev) | |
1570 | { | |
1571 | if (dev >= CONFIG_SYS_IDE_MAXBUS) | |
1572 | return 0; | |
1573 | return (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1); | |
1574 | } | |
1575 | #endif | |
c609719b WD |
1576 | /* ------------------------------------------------------------------------- */ |
1577 | ||
1578 | #ifdef CONFIG_ATAPI | |
1579 | /**************************************************************************** | |
1580 | * ATAPI Support | |
1581 | */ | |
1582 | ||
f2a37fcd | 1583 | #if defined(CONFIG_IDE_SWAP_IO) |
c609719b WD |
1584 | /* since ATAPI may use commands with not 4 bytes alligned length |
1585 | * we have our own transfer functions, 2 bytes alligned */ | |
1586 | static void | |
1587 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1588 | { | |
1a344f29 | 1589 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) |
a522fa0e WD |
1590 | uchar *dbuf; |
1591 | volatile uchar *pbuf_even; | |
1592 | volatile uchar *pbuf_odd; | |
1593 | ||
1594 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
1595 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
1596 | while (shorts--) { | |
5cf91d6b | 1597 | EIEIO; |
a522fa0e | 1598 | *pbuf_even = *dbuf++; |
5cf91d6b | 1599 | EIEIO; |
a522fa0e WD |
1600 | *pbuf_odd = *dbuf++; |
1601 | } | |
1a344f29 | 1602 | #else |
c609719b WD |
1603 | ushort *dbuf; |
1604 | volatile ushort *pbuf; | |
1605 | ||
1606 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1607 | dbuf = (ushort *)sect_buf; | |
db01a2ea | 1608 | |
1a344f29 | 1609 | debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf); |
db01a2ea | 1610 | |
c609719b | 1611 | while (shorts--) { |
5cf91d6b | 1612 | EIEIO; |
1a344f29 | 1613 | *pbuf = *dbuf++; |
c609719b | 1614 | } |
1a344f29 WD |
1615 | #endif |
1616 | } | |
1617 | ||
1618 | static void | |
1619 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1620 | { | |
1621 | #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45) | |
a522fa0e WD |
1622 | uchar *dbuf; |
1623 | volatile uchar *pbuf_even; | |
1624 | volatile uchar *pbuf_odd; | |
1625 | ||
1626 | pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); | |
1627 | pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); | |
1628 | while (shorts--) { | |
5cf91d6b | 1629 | EIEIO; |
a522fa0e | 1630 | *dbuf++ = *pbuf_even; |
5cf91d6b | 1631 | EIEIO; |
a522fa0e WD |
1632 | *dbuf++ = *pbuf_odd; |
1633 | } | |
1a344f29 WD |
1634 | #else |
1635 | ushort *dbuf; | |
1636 | volatile ushort *pbuf; | |
1637 | ||
1638 | pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); | |
1639 | dbuf = (ushort *)sect_buf; | |
1640 | ||
1641 | debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf); | |
1642 | ||
1643 | while (shorts--) { | |
1644 | EIEIO; | |
1645 | *dbuf++ = *pbuf; | |
1646 | } | |
1647 | #endif | |
c609719b WD |
1648 | } |
1649 | ||
f2a37fcd | 1650 | #else /* ! CONFIG_IDE_SWAP_IO */ |
2262cfee WD |
1651 | static void |
1652 | output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1653 | { | |
15647dc7 | 1654 | outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1655 | } |
1656 | ||
2262cfee WD |
1657 | static void |
1658 | input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
1659 | { | |
15647dc7 | 1660 | insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); |
2262cfee WD |
1661 | } |
1662 | ||
f2a37fcd | 1663 | #endif /* CONFIG_IDE_SWAP_IO */ |
2262cfee | 1664 | |
c609719b WD |
1665 | /* |
1666 | * Wait until (Status & mask) == res, or timeout (in ms) | |
1667 | * Return last status | |
1668 | * This is used since some ATAPI CD ROMs clears their Busy Bit first | |
1669 | * and then they set their DRQ Bit | |
1670 | */ | |
1671 | static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res) | |
1672 | { | |
1673 | ulong delay = 10 * t; /* poll every 100 us */ | |
1674 | uchar c; | |
1675 | ||
2262cfee WD |
1676 | c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */ |
1677 | while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { | |
c609719b WD |
1678 | /* break if error occurs (doesn't make sense to wait more) */ |
1679 | if((c & ATA_STAT_ERR)==ATA_STAT_ERR) | |
1680 | break; | |
1681 | udelay (100); | |
1682 | if (delay-- == 0) { | |
1683 | break; | |
1684 | } | |
1685 | } | |
1686 | return (c); | |
1687 | } | |
1688 | ||
1689 | /* | |
1690 | * issue an atapi command | |
1691 | */ | |
1692 | unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen) | |
1693 | { | |
1694 | unsigned char c,err,mask,res; | |
1695 | int n; | |
1696 | ide_led (DEVICE_LED(device), 1); /* LED on */ | |
1697 | ||
1698 | /* Select device | |
1699 | */ | |
1700 | mask = ATA_STAT_BUSY|ATA_STAT_DRQ; | |
1701 | res = 0; | |
2262cfee | 1702 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b WD |
1703 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); |
1704 | if ((c & mask) != res) { | |
1705 | printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c); | |
1706 | err=0xFF; | |
1707 | goto AI_OUT; | |
1708 | } | |
1709 | /* write taskfile */ | |
2262cfee | 1710 | ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ |
c7de829c WD |
1711 | ide_outb (device, ATA_SECT_CNT, 0); |
1712 | ide_outb (device, ATA_SECT_NUM, 0); | |
2262cfee | 1713 | ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF)); |
c7de829c | 1714 | ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF)); |
2262cfee | 1715 | ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); |
c609719b | 1716 | |
2262cfee | 1717 | ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET); |
c609719b WD |
1718 | udelay (50); |
1719 | ||
1720 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1721 | res = ATA_STAT_DRQ; | |
1722 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1723 | ||
1724 | if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ | |
4afbef96 | 1725 | printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c); |
c609719b WD |
1726 | err=0xFF; |
1727 | goto AI_OUT; | |
1728 | } | |
1729 | ||
1730 | output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */ | |
53677ef1 | 1731 | /* ATAPI Command written wait for completition */ |
c609719b WD |
1732 | udelay (5000); /* device must set bsy */ |
1733 | ||
1734 | mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; | |
1735 | /* if no data wait for DRQ = 0 BSY = 0 | |
1736 | * if data wait for DRQ = 1 BSY = 0 */ | |
1737 | res=0; | |
1738 | if(buflen) | |
1739 | res = ATA_STAT_DRQ; | |
1740 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1741 | if ((c & mask) != res ) { | |
1742 | if (c & ATA_STAT_ERR) { | |
2262cfee | 1743 | err=(ide_inb(device,ATA_ERROR_REG))>>4; |
1a344f29 | 1744 | debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c); |
c609719b | 1745 | } else { |
4afbef96 | 1746 | printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c); |
c609719b WD |
1747 | err=0xFF; |
1748 | } | |
1749 | goto AI_OUT; | |
1750 | } | |
2262cfee | 1751 | n=ide_inb(device, ATA_CYL_HIGH); |
c609719b | 1752 | n<<=8; |
2262cfee | 1753 | n+=ide_inb(device, ATA_CYL_LOW); |
c609719b WD |
1754 | if(n>buflen) { |
1755 | printf("ERROR, transfer bytes %d requested only %d\n",n,buflen); | |
1756 | err=0xff; | |
1757 | goto AI_OUT; | |
1758 | } | |
1759 | if((n==0)&&(buflen<0)) { | |
1760 | printf("ERROR, transfer bytes %d requested %d\n",n,buflen); | |
1761 | err=0xff; | |
1762 | goto AI_OUT; | |
1763 | } | |
1764 | if(n!=buflen) { | |
1a344f29 | 1765 | debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen); |
c609719b WD |
1766 | } |
1767 | if(n!=0) { /* data transfer */ | |
1a344f29 | 1768 | debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n); |
c609719b WD |
1769 | /* we transfer shorts */ |
1770 | n>>=1; | |
1771 | /* ok now decide if it is an in or output */ | |
2262cfee | 1772 | if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) { |
1a344f29 | 1773 | debug ("Write to device\n"); |
c609719b WD |
1774 | output_data_shorts(device,(unsigned short *)buffer,n); |
1775 | } else { | |
1a344f29 | 1776 | debug ("Read from device @ %p shorts %d\n",buffer,n); |
c609719b WD |
1777 | input_data_shorts(device,(unsigned short *)buffer,n); |
1778 | } | |
1779 | } | |
1780 | udelay(5000); /* seems that some CD ROMs need this... */ | |
1781 | mask = ATA_STAT_BUSY|ATA_STAT_ERR; | |
1782 | res=0; | |
1783 | c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); | |
1784 | if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { | |
2262cfee | 1785 | err=(ide_inb(device,ATA_ERROR_REG) >> 4); |
1a344f29 | 1786 | debug ("atapi_issue 2 returned sense key %X status %X\n",err,c); |
c609719b WD |
1787 | } else { |
1788 | err = 0; | |
1789 | } | |
1790 | AI_OUT: | |
1791 | ide_led (DEVICE_LED(device), 0); /* LED off */ | |
1792 | return (err); | |
1793 | } | |
1794 | ||
1795 | /* | |
1796 | * sending the command to atapi_issue. If an status other than good | |
1797 | * returns, an request_sense will be issued | |
1798 | */ | |
1799 | ||
53677ef1 | 1800 | #define ATAPI_DRIVE_NOT_READY 100 |
c609719b WD |
1801 | #define ATAPI_UNIT_ATTN 10 |
1802 | ||
1803 | unsigned char atapi_issue_autoreq (int device, | |
1804 | unsigned char* ccb, | |
1805 | int ccblen, | |
1806 | unsigned char *buffer, | |
1807 | int buflen) | |
1808 | { | |
1809 | unsigned char sense_data[18],sense_ccb[12]; | |
1810 | unsigned char res,key,asc,ascq; | |
1811 | int notready,unitattn; | |
1812 | ||
1813 | unitattn=ATAPI_UNIT_ATTN; | |
1814 | notready=ATAPI_DRIVE_NOT_READY; | |
1815 | ||
1816 | retry: | |
1817 | res= atapi_issue(device,ccb,ccblen,buffer,buflen); | |
1818 | if (res==0) | |
1819 | return (0); /* Ok */ | |
1820 | ||
1821 | if (res==0xFF) | |
1822 | return (0xFF); /* error */ | |
1823 | ||
1a344f29 | 1824 | debug ("(auto_req)atapi_issue returned sense key %X\n",res); |
c609719b WD |
1825 | |
1826 | memset(sense_ccb,0,sizeof(sense_ccb)); | |
1827 | memset(sense_data,0,sizeof(sense_data)); | |
1828 | sense_ccb[0]=ATAPI_CMD_REQ_SENSE; | |
c7de829c | 1829 | sense_ccb[4]=18; /* allocation Length */ |
c609719b WD |
1830 | |
1831 | res=atapi_issue(device,sense_ccb,12,sense_data,18); | |
1832 | key=(sense_data[2]&0xF); | |
1833 | asc=(sense_data[12]); | |
1834 | ascq=(sense_data[13]); | |
1835 | ||
1a344f29 WD |
1836 | debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res); |
1837 | debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", | |
c609719b WD |
1838 | sense_data[0], |
1839 | key, | |
1840 | asc, | |
1841 | ascq); | |
1842 | ||
1843 | if((key==0)) | |
1844 | return 0; /* ok device ready */ | |
1845 | ||
1846 | if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */ | |
1847 | if(unitattn-->0) { | |
1848 | udelay(200*1000); | |
1849 | goto retry; | |
1850 | } | |
1851 | printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN); | |
1852 | goto error; | |
1853 | } | |
1854 | if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */ | |
1855 | if (notready-->0) { | |
1856 | udelay(200*1000); | |
1857 | goto retry; | |
1858 | } | |
1859 | printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY); | |
1860 | goto error; | |
1861 | } | |
1862 | if(asc==0x3a) { | |
1a344f29 | 1863 | debug ("Media not present\n"); |
c609719b WD |
1864 | goto error; |
1865 | } | |
c7de829c | 1866 | |
c609719b WD |
1867 | printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); |
1868 | error: | |
1a344f29 | 1869 | debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); |
c609719b WD |
1870 | return (0xFF); |
1871 | } | |
1872 | ||
1873 | ||
c609719b WD |
1874 | static void atapi_inquiry(block_dev_desc_t * dev_desc) |
1875 | { | |
1876 | unsigned char ccb[12]; /* Command descriptor block */ | |
1877 | unsigned char iobuf[64]; /* temp buf */ | |
1878 | unsigned char c; | |
1879 | int device; | |
1880 | ||
1881 | device=dev_desc->dev; | |
1882 | dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */ | |
1883 | dev_desc->block_read=atapi_read; | |
1884 | ||
1885 | memset(ccb,0,sizeof(ccb)); | |
1886 | memset(iobuf,0,sizeof(iobuf)); | |
1887 | ||
1888 | ccb[0]=ATAPI_CMD_INQUIRY; | |
1889 | ccb[4]=40; /* allocation Legnth */ | |
1890 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40); | |
1891 | ||
1a344f29 | 1892 | debug ("ATAPI_CMD_INQUIRY returned %x\n",c); |
c609719b WD |
1893 | if (c!=0) |
1894 | return; | |
1895 | ||
1896 | /* copy device ident strings */ | |
7a60ee7c JCPV |
1897 | ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8); |
1898 | ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16); | |
1899 | ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5); | |
c609719b WD |
1900 | |
1901 | dev_desc->lun=0; | |
1902 | dev_desc->lba=0; | |
1903 | dev_desc->blksz=0; | |
1904 | dev_desc->type=iobuf[0] & 0x1f; | |
1905 | ||
1906 | if ((iobuf[1]&0x80)==0x80) | |
1907 | dev_desc->removable = 1; | |
1908 | else | |
1909 | dev_desc->removable = 0; | |
1910 | ||
1911 | memset(ccb,0,sizeof(ccb)); | |
1912 | memset(iobuf,0,sizeof(iobuf)); | |
1913 | ccb[0]=ATAPI_CMD_START_STOP; | |
1914 | ccb[4]=0x03; /* start */ | |
1915 | ||
1916 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1917 | ||
1a344f29 | 1918 | debug ("ATAPI_CMD_START_STOP returned %x\n",c); |
c609719b WD |
1919 | if (c!=0) |
1920 | return; | |
1921 | ||
1922 | memset(ccb,0,sizeof(ccb)); | |
1923 | memset(iobuf,0,sizeof(iobuf)); | |
1924 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); | |
1925 | ||
1a344f29 | 1926 | debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c); |
c609719b WD |
1927 | if (c!=0) |
1928 | return; | |
1929 | ||
1930 | memset(ccb,0,sizeof(ccb)); | |
1931 | memset(iobuf,0,sizeof(iobuf)); | |
1932 | ccb[0]=ATAPI_CMD_READ_CAP; | |
1933 | c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8); | |
1a344f29 | 1934 | debug ("ATAPI_CMD_READ_CAP returned %x\n",c); |
c609719b WD |
1935 | if (c!=0) |
1936 | return; | |
1937 | ||
1a344f29 | 1938 | debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", |
c609719b WD |
1939 | iobuf[0],iobuf[1],iobuf[2],iobuf[3], |
1940 | iobuf[4],iobuf[5],iobuf[6],iobuf[7]); | |
1941 | ||
1942 | dev_desc->lba =((unsigned long)iobuf[0]<<24) + | |
1943 | ((unsigned long)iobuf[1]<<16) + | |
1944 | ((unsigned long)iobuf[2]<< 8) + | |
1945 | ((unsigned long)iobuf[3]); | |
1946 | dev_desc->blksz=((unsigned long)iobuf[4]<<24) + | |
1947 | ((unsigned long)iobuf[5]<<16) + | |
1948 | ((unsigned long)iobuf[6]<< 8) + | |
1949 | ((unsigned long)iobuf[7]); | |
42dfe7a1 | 1950 | #ifdef CONFIG_LBA48 |
c40b2956 | 1951 | dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ |
42dfe7a1 | 1952 | #endif |
c609719b WD |
1953 | return; |
1954 | } | |
1955 | ||
1956 | ||
1957 | /* | |
1958 | * atapi_read: | |
1959 | * we transfer only one block per command, since the multiple DRQ per | |
1960 | * command is not yet implemented | |
1961 | */ | |
1962 | #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ | |
1963 | #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ | |
1964 | #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */ | |
1965 | ||
eb867a76 | 1966 | ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer) |
c609719b WD |
1967 | { |
1968 | ulong n = 0; | |
1969 | unsigned char ccb[12]; /* Command descriptor block */ | |
1970 | ulong cnt; | |
1971 | ||
1a344f29 | 1972 | debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n", |
c609719b WD |
1973 | device, blknr, blkcnt, (ulong)buffer); |
1974 | ||
1975 | do { | |
1976 | if (blkcnt>ATAPI_READ_MAX_BLOCK) { | |
1977 | cnt=ATAPI_READ_MAX_BLOCK; | |
1978 | } else { | |
1979 | cnt=blkcnt; | |
1980 | } | |
1981 | ccb[0]=ATAPI_CMD_READ_12; | |
1982 | ccb[1]=0; /* reserved */ | |
1983 | ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */ | |
1984 | ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */ | |
1985 | ccb[4]=(unsigned char) (blknr>> 8) & 0xFF; | |
1986 | ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */ | |
1987 | ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */ | |
1988 | ccb[7]=(unsigned char) (cnt >>16) & 0xFF; | |
1989 | ccb[8]=(unsigned char) (cnt >> 8) & 0xFF; | |
1990 | ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */ | |
1991 | ccb[10]=0; /* reserved */ | |
1992 | ccb[11]=0; /* reserved */ | |
1993 | ||
1994 | if (atapi_issue_autoreq(device,ccb,12, | |
1995 | (unsigned char *)buffer, | |
1996 | cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) { | |
1997 | return (n); | |
1998 | } | |
1999 | n+=cnt; | |
2000 | blkcnt-=cnt; | |
2001 | blknr+=cnt; | |
0b94504d | 2002 | buffer+=(cnt*ATAPI_READ_BLOCK_SIZE); |
c609719b WD |
2003 | } while (blkcnt > 0); |
2004 | return (n); | |
2005 | } | |
2006 | ||
2007 | /* ------------------------------------------------------------------------- */ | |
2008 | ||
2009 | #endif /* CONFIG_ATAPI */ | |
2010 | ||
0d498393 WD |
2011 | U_BOOT_CMD( |
2012 | ide, 5, 1, do_ide, | |
2fb2604d | 2013 | "IDE sub-system", |
8bde7f77 WD |
2014 | "reset - reset IDE controller\n" |
2015 | "ide info - show available IDE devices\n" | |
2016 | "ide device [dev] - show or set current device\n" | |
2017 | "ide part [dev] - print partition table of one or all IDE devices\n" | |
2018 | "ide read addr blk# cnt\n" | |
2019 | "ide write addr blk# cnt - read/write `cnt'" | |
2020 | " blocks starting at block `blk#'\n" | |
a89c33db | 2021 | " to/from memory address `addr'" |
8bde7f77 WD |
2022 | ); |
2023 | ||
0d498393 WD |
2024 | U_BOOT_CMD( |
2025 | diskboot, 3, 1, do_diskboot, | |
2fb2604d | 2026 | "boot from IDE device", |
a89c33db | 2027 | "loadAddr dev:part" |
8bde7f77 | 2028 | ); |