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Merge branch 'master' of git://git.denx.de/u-boot-mips
[people/ms/u-boot.git] / common / cmd_ide.c
1 /*
2 * (C) Copyright 2000-2005
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 */
28 #include <common.h>
29 #include <config.h>
30 #include <watchdog.h>
31 #include <command.h>
32 #include <image.h>
33 #include <asm/byteorder.h>
34 #include <asm/io.h>
35
36 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
37 # include <pcmcia.h>
38 #endif
39
40 #ifdef CONFIG_8xx
41 # include <mpc8xx.h>
42 #endif
43
44 #ifdef CONFIG_MPC5xxx
45 #include <mpc5xxx.h>
46 #endif
47
48 #include <ide.h>
49 #include <ata.h>
50
51 #ifdef CONFIG_STATUS_LED
52 # include <status_led.h>
53 #endif
54
55 #ifdef CONFIG_IDE_8xx_DIRECT
56 DECLARE_GLOBAL_DATA_PTR;
57 #endif
58
59 #ifdef __PPC__
60 # define EIEIO __asm__ volatile ("eieio")
61 # define SYNC __asm__ volatile ("sync")
62 #else
63 # define EIEIO /* nothing */
64 # define SYNC /* nothing */
65 #endif
66
67 #ifdef CONFIG_IDE_8xx_DIRECT
68 /* Timings for IDE Interface
69 *
70 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
71 * 70 165 30 PIO-Mode 0, [ns]
72 * 4 9 2 [Cycles]
73 * 50 125 20 PIO-Mode 1, [ns]
74 * 3 7 2 [Cycles]
75 * 30 100 15 PIO-Mode 2, [ns]
76 * 2 6 1 [Cycles]
77 * 30 80 10 PIO-Mode 3, [ns]
78 * 2 5 1 [Cycles]
79 * 25 70 10 PIO-Mode 4, [ns]
80 * 2 4 1 [Cycles]
81 */
82
83 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
84 {
85 /* Setup Length Hold */
86 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
87 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
88 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
89 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
90 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
91 };
92
93 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
94
95 #ifndef CFG_PIO_MODE
96 #define CFG_PIO_MODE 0 /* use a relaxed default */
97 #endif
98 static int pio_mode = CFG_PIO_MODE;
99
100 /* Make clock cycles and always round up */
101
102 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
103
104 #endif /* CONFIG_IDE_8xx_DIRECT */
105
106 /* ------------------------------------------------------------------------- */
107
108 /* Current I/O Device */
109 static int curr_device = -1;
110
111 /* Current offset for IDE0 / IDE1 bus access */
112 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
113 #if defined(CFG_ATA_IDE0_OFFSET)
114 CFG_ATA_IDE0_OFFSET,
115 #endif
116 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
117 CFG_ATA_IDE1_OFFSET,
118 #endif
119 };
120
121
122 #ifndef CONFIG_AMIGAONEG3SE
123 static int ide_bus_ok[CFG_IDE_MAXBUS];
124 #else
125 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
126 #endif
127
128 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
129 /* ------------------------------------------------------------------------- */
130
131 #ifdef CONFIG_IDE_LED
132 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
133 static void ide_led (uchar led, uchar status);
134 #else
135 extern void ide_led (uchar led, uchar status);
136 #endif
137 #else
138 #ifndef CONFIG_AMIGAONEG3SE
139 #define ide_led(a,b) /* dummy */
140 #else
141 extern void ide_led(uchar led, uchar status);
142 #define LED_IDE1 1
143 #define LED_IDE2 2
144 #define CONFIG_IDE_LED 1
145 #define DEVICE_LED(x) 1
146 #endif
147 #endif
148
149 #ifdef CONFIG_IDE_RESET
150 static void ide_reset (void);
151 #else
152 #define ide_reset() /* dummy */
153 #endif
154
155 static void ide_ident (block_dev_desc_t *dev_desc);
156 static uchar ide_wait (int dev, ulong t);
157
158 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
159
160 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
161
162 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
163
164 static void input_data(int dev, ulong *sect_buf, int words);
165 static void output_data(int dev, ulong *sect_buf, int words);
166 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
167
168 #ifndef CFG_ATA_PORT_ADDR
169 #define CFG_ATA_PORT_ADDR(port) (port)
170 #endif
171
172 #ifdef CONFIG_ATAPI
173 static void atapi_inquiry(block_dev_desc_t *dev_desc);
174 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
175 #endif
176
177
178 #ifdef CONFIG_IDE_8xx_DIRECT
179 static void set_pcmcia_timing (int pmode);
180 #endif
181
182 /* ------------------------------------------------------------------------- */
183
184 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
185 {
186 int rcode = 0;
187
188 switch (argc) {
189 case 0:
190 case 1:
191 printf ("Usage:\n%s\n", cmdtp->usage);
192 return 1;
193 case 2:
194 if (strncmp(argv[1],"res",3) == 0) {
195 puts ("\nReset IDE"
196 #ifdef CONFIG_IDE_8xx_DIRECT
197 " on PCMCIA " PCMCIA_SLOT_MSG
198 #endif
199 ": ");
200
201 ide_init ();
202 return 0;
203 } else if (strncmp(argv[1],"inf",3) == 0) {
204 int i;
205
206 putc ('\n');
207
208 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
209 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
210 continue; /* list only known devices */
211 printf ("IDE device %d: ", i);
212 dev_print(&ide_dev_desc[i]);
213 }
214 return 0;
215
216 } else if (strncmp(argv[1],"dev",3) == 0) {
217 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
218 puts ("\nno IDE devices available\n");
219 return 1;
220 }
221 printf ("\nIDE device %d: ", curr_device);
222 dev_print(&ide_dev_desc[curr_device]);
223 return 0;
224 } else if (strncmp(argv[1],"part",4) == 0) {
225 int dev, ok;
226
227 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
228 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
229 ++ok;
230 if (dev)
231 putc ('\n');
232 print_part(&ide_dev_desc[dev]);
233 }
234 }
235 if (!ok) {
236 puts ("\nno IDE devices available\n");
237 rcode ++;
238 }
239 return rcode;
240 }
241 printf ("Usage:\n%s\n", cmdtp->usage);
242 return 1;
243 case 3:
244 if (strncmp(argv[1],"dev",3) == 0) {
245 int dev = (int)simple_strtoul(argv[2], NULL, 10);
246
247 printf ("\nIDE device %d: ", dev);
248 if (dev >= CFG_IDE_MAXDEVICE) {
249 puts ("unknown device\n");
250 return 1;
251 }
252 dev_print(&ide_dev_desc[dev]);
253 /*ide_print (dev);*/
254
255 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
256 return 1;
257 }
258
259 curr_device = dev;
260
261 puts ("... is now current device\n");
262
263 return 0;
264 } else if (strncmp(argv[1],"part",4) == 0) {
265 int dev = (int)simple_strtoul(argv[2], NULL, 10);
266
267 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
268 print_part(&ide_dev_desc[dev]);
269 } else {
270 printf ("\nIDE device %d not available\n", dev);
271 rcode = 1;
272 }
273 return rcode;
274 #if 0
275 } else if (strncmp(argv[1],"pio",4) == 0) {
276 int mode = (int)simple_strtoul(argv[2], NULL, 10);
277
278 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
279 puts ("\nSetting ");
280 pio_mode = mode;
281 ide_init ();
282 } else {
283 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
284 mode, IDE_MAX_PIO_MODE);
285 }
286 return;
287 #endif
288 }
289
290 printf ("Usage:\n%s\n", cmdtp->usage);
291 return 1;
292 default:
293 /* at least 4 args */
294
295 if (strcmp(argv[1],"read") == 0) {
296 ulong addr = simple_strtoul(argv[2], NULL, 16);
297 ulong cnt = simple_strtoul(argv[4], NULL, 16);
298 ulong n;
299 #ifdef CFG_64BIT_LBA
300 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
301
302 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
303 curr_device, blk, cnt);
304 #else
305 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
306
307 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
308 curr_device, blk, cnt);
309 #endif
310
311 n = ide_dev_desc[curr_device].block_read (curr_device,
312 blk, cnt,
313 (ulong *)addr);
314 /* flush cache after read */
315 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
316
317 printf ("%ld blocks read: %s\n",
318 n, (n==cnt) ? "OK" : "ERROR");
319 if (n==cnt) {
320 return 0;
321 } else {
322 return 1;
323 }
324 } else if (strcmp(argv[1],"write") == 0) {
325 ulong addr = simple_strtoul(argv[2], NULL, 16);
326 ulong cnt = simple_strtoul(argv[4], NULL, 16);
327 ulong n;
328 #ifdef CFG_64BIT_LBA
329 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
330
331 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
332 curr_device, blk, cnt);
333 #else
334 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
335
336 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
337 curr_device, blk, cnt);
338 #endif
339
340 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
341
342 printf ("%ld blocks written: %s\n",
343 n, (n==cnt) ? "OK" : "ERROR");
344 if (n==cnt) {
345 return 0;
346 } else {
347 return 1;
348 }
349 } else {
350 printf ("Usage:\n%s\n", cmdtp->usage);
351 rcode = 1;
352 }
353
354 return rcode;
355 }
356 }
357
358 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
359 {
360 char *boot_device = NULL;
361 char *ep;
362 int dev, part = 0;
363 ulong addr, cnt;
364 disk_partition_t info;
365 image_header_t *hdr;
366 int rcode = 0;
367 #if defined(CONFIG_FIT)
368 const void *fit_hdr = NULL;
369 #endif
370
371 show_boot_progress (41);
372 switch (argc) {
373 case 1:
374 addr = CFG_LOAD_ADDR;
375 boot_device = getenv ("bootdevice");
376 break;
377 case 2:
378 addr = simple_strtoul(argv[1], NULL, 16);
379 boot_device = getenv ("bootdevice");
380 break;
381 case 3:
382 addr = simple_strtoul(argv[1], NULL, 16);
383 boot_device = argv[2];
384 break;
385 default:
386 printf ("Usage:\n%s\n", cmdtp->usage);
387 show_boot_progress (-42);
388 return 1;
389 }
390 show_boot_progress (42);
391
392 if (!boot_device) {
393 puts ("\n** No boot device **\n");
394 show_boot_progress (-43);
395 return 1;
396 }
397 show_boot_progress (43);
398
399 dev = simple_strtoul(boot_device, &ep, 16);
400
401 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
402 printf ("\n** Device %d not available\n", dev);
403 show_boot_progress (-44);
404 return 1;
405 }
406 show_boot_progress (44);
407
408 if (*ep) {
409 if (*ep != ':') {
410 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
411 show_boot_progress (-45);
412 return 1;
413 }
414 part = simple_strtoul(++ep, NULL, 16);
415 }
416 show_boot_progress (45);
417 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
418 show_boot_progress (-46);
419 return 1;
420 }
421 show_boot_progress (46);
422 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
423 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
424 printf ("\n** Invalid partition type \"%.32s\""
425 " (expect \"" BOOT_PART_TYPE "\")\n",
426 info.type);
427 show_boot_progress (-47);
428 return 1;
429 }
430 show_boot_progress (47);
431
432 printf ("\nLoading from IDE device %d, partition %d: "
433 "Name: %.32s Type: %.32s\n",
434 dev, part, info.name, info.type);
435
436 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
437 info.start, info.size, info.blksz);
438
439 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
440 printf ("** Read error on %d:%d\n", dev, part);
441 show_boot_progress (-48);
442 return 1;
443 }
444 show_boot_progress (48);
445
446 switch (genimg_get_format ((void *)addr)) {
447 case IMAGE_FORMAT_LEGACY:
448 hdr = (image_header_t *)addr;
449
450 show_boot_progress (49);
451
452 if (!image_check_hcrc (hdr)) {
453 puts ("\n** Bad Header Checksum **\n");
454 show_boot_progress (-50);
455 return 1;
456 }
457 show_boot_progress (50);
458
459 image_print_contents (hdr);
460
461 cnt = image_get_image_size (hdr);
462 break;
463 #if defined(CONFIG_FIT)
464 case IMAGE_FORMAT_FIT:
465 fit_hdr = (const void *)addr;
466 puts ("Fit image detected...\n");
467
468 cnt = fit_get_size (fit_hdr);
469 break;
470 #endif
471 default:
472 show_boot_progress (-49);
473 puts ("** Unknown image type\n");
474 return 1;
475 }
476
477 cnt += info.blksz - 1;
478 cnt /= info.blksz;
479 cnt -= 1;
480
481 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
482 (ulong *)(addr+info.blksz)) != cnt) {
483 printf ("** Read error on %d:%d\n", dev, part);
484 show_boot_progress (-51);
485 return 1;
486 }
487 show_boot_progress (51);
488
489 #if defined(CONFIG_FIT)
490 /* This cannot be done earlier, we need complete FIT image in RAM first */
491 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
492 if (!fit_check_format (fit_hdr)) {
493 show_boot_progress (-140);
494 puts ("** Bad FIT image format\n");
495 return 1;
496 }
497 show_boot_progress (141);
498 fit_print_contents (fit_hdr);
499 }
500 #endif
501
502 /* Loading ok, update default load address */
503
504 load_addr = addr;
505
506 /* Check if we should attempt an auto-start */
507 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
508 char *local_args[2];
509 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
510
511 local_args[0] = argv[0];
512 local_args[1] = NULL;
513
514 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
515
516 do_bootm (cmdtp, 0, 1, local_args);
517 rcode = 1;
518 }
519 return rcode;
520 }
521
522 /* ------------------------------------------------------------------------- */
523
524 void inline
525 __ide_outb(int dev, int port, unsigned char val)
526 {
527 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
528 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
529 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
530 }
531 void inline ide_outb (int dev, int port, unsigned char val)
532 __attribute__((weak, alias("__ide_outb")));
533
534 unsigned char inline
535 __ide_inb(int dev, int port)
536 {
537 uchar val;
538 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
539 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
540 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
541 return val;
542 }
543 unsigned char inline ide_inb(int dev, int port)
544 __attribute__((weak, alias("__ide_inb")));
545
546 void ide_init (void)
547 {
548
549 #ifdef CONFIG_IDE_8xx_DIRECT
550 volatile immap_t *immr = (immap_t *)CFG_IMMR;
551 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
552 #endif
553 unsigned char c;
554 int i, bus;
555 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
556 unsigned int ata_reset_time = ATA_RESET_TIME;
557 char *s;
558 #endif
559 #ifdef CONFIG_AMIGAONEG3SE
560 unsigned int max_bus_scan;
561 #endif
562 #ifdef CONFIG_IDE_8xx_PCCARD
563 extern int pcmcia_on (void);
564 extern int ide_devices_found; /* Initialized in check_ide_device() */
565 #endif /* CONFIG_IDE_8xx_PCCARD */
566
567 #ifdef CONFIG_IDE_PREINIT
568 extern int ide_preinit (void);
569 WATCHDOG_RESET();
570
571 if (ide_preinit ()) {
572 puts ("ide_preinit failed\n");
573 return;
574 }
575 #endif /* CONFIG_IDE_PREINIT */
576
577 #ifdef CONFIG_IDE_8xx_PCCARD
578 extern int pcmcia_on (void);
579 extern int ide_devices_found; /* Initialized in check_ide_device() */
580
581 WATCHDOG_RESET();
582
583 ide_devices_found = 0;
584 /* initialize the PCMCIA IDE adapter card */
585 pcmcia_on();
586 if (!ide_devices_found)
587 return;
588 udelay (1000000); /* 1 s */
589 #endif /* CONFIG_IDE_8xx_PCCARD */
590
591 WATCHDOG_RESET();
592
593 #ifdef CONFIG_IDE_8xx_DIRECT
594 /* Initialize PIO timing tables */
595 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
596 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
597 gd->bus_clk);
598 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
599 gd->bus_clk);
600 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
601 gd->bus_clk);
602 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
603 " len=%3d ns/%d clk"
604 " hold=%2d ns/%d clk\n",
605 i,
606 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
607 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
608 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
609 }
610 #endif /* CONFIG_IDE_8xx_DIRECT */
611
612 /* Reset the IDE just to be sure.
613 * Light LED's to show
614 */
615 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
616 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
617
618 #ifdef CONFIG_IDE_8xx_DIRECT
619 /* PCMCIA / IDE initialization for common mem space */
620 pcmp->pcmc_pgcrb = 0;
621
622 /* start in PIO mode 0 - most relaxed timings */
623 pio_mode = 0;
624 set_pcmcia_timing (pio_mode);
625 #endif /* CONFIG_IDE_8xx_DIRECT */
626
627 /*
628 * Wait for IDE to get ready.
629 * According to spec, this can take up to 31 seconds!
630 */
631 #ifndef CONFIG_AMIGAONEG3SE
632 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
633 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
634 #else
635 s = getenv("ide_maxbus");
636 if (s)
637 max_bus_scan = simple_strtol(s, NULL, 10);
638 else
639 max_bus_scan = CFG_IDE_MAXBUS;
640
641 for (bus=0; bus<max_bus_scan; ++bus) {
642 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
643 #endif
644
645 #ifdef CONFIG_IDE_8xx_PCCARD
646 /* Skip non-ide devices from probing */
647 if ((ide_devices_found & (1 << bus)) == 0) {
648 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
649 continue;
650 }
651 #endif
652 printf ("Bus %d: ", bus);
653
654 ide_bus_ok[bus] = 0;
655
656 /* Select device
657 */
658 udelay (100000); /* 100 ms */
659 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
660 udelay (100000); /* 100 ms */
661 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
662 if ((s = getenv("ide_reset_timeout")) != NULL)
663 ata_reset_time = simple_strtol(s, NULL, 10);
664 #endif
665 i = 0;
666 do {
667 udelay (10000); /* 10 ms */
668
669 c = ide_inb (dev, ATA_STATUS);
670 i++;
671 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
672 if (i > (ata_reset_time * 100)) {
673 #else
674 if (i > (ATA_RESET_TIME * 100)) {
675 #endif
676 puts ("** Timeout **\n");
677 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
678 #ifdef CONFIG_AMIGAONEG3SE
679 /* If this is the second bus, the first one was OK */
680 if (bus != 0) {
681 ide_bus_ok[bus] = 0;
682 goto skip_bus;
683 }
684 #endif
685 return;
686 }
687 if ((i >= 100) && ((i%100)==0)) {
688 putc ('.');
689 }
690 } while (c & ATA_STAT_BUSY);
691
692 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
693 puts ("not available ");
694 debug ("Status = 0x%02X ", c);
695 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
696 } else if ((c & ATA_STAT_READY) == 0) {
697 puts ("not available ");
698 debug ("Status = 0x%02X ", c);
699 #endif
700 } else {
701 puts ("OK ");
702 ide_bus_ok[bus] = 1;
703 }
704 WATCHDOG_RESET();
705 }
706
707 #ifdef CONFIG_AMIGAONEG3SE
708 skip_bus:
709 #endif
710 putc ('\n');
711
712 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
713
714 curr_device = -1;
715 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
716 #ifdef CONFIG_IDE_LED
717 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
718 #endif
719 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
720 ide_dev_desc[i].if_type=IF_TYPE_IDE;
721 ide_dev_desc[i].dev=i;
722 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
723 ide_dev_desc[i].blksz=0;
724 ide_dev_desc[i].lba=0;
725 ide_dev_desc[i].block_read=ide_read;
726 if (!ide_bus_ok[IDE_BUS(i)])
727 continue;
728 ide_led (led, 1); /* LED on */
729 ide_ident(&ide_dev_desc[i]);
730 ide_led (led, 0); /* LED off */
731 dev_print(&ide_dev_desc[i]);
732 /* ide_print (i); */
733 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
734 init_part (&ide_dev_desc[i]); /* initialize partition type */
735 if (curr_device < 0)
736 curr_device = i;
737 }
738 }
739 WATCHDOG_RESET();
740 }
741
742 /* ------------------------------------------------------------------------- */
743
744 block_dev_desc_t * ide_get_dev(int dev)
745 {
746 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
747 }
748
749
750 #ifdef CONFIG_IDE_8xx_DIRECT
751
752 static void
753 set_pcmcia_timing (int pmode)
754 {
755 volatile immap_t *immr = (immap_t *)CFG_IMMR;
756 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
757 ulong timings;
758
759 debug ("Set timing for PIO Mode %d\n", pmode);
760
761 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
762 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
763 | PCMCIA_SL (pio_config_clk[pmode].t_length)
764 ;
765
766 /* IDE 0
767 */
768 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
769 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
770 #if (CFG_PCMCIA_POR0 != 0)
771 | timings
772 #endif
773 ;
774 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
775
776 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
777 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
778 #if (CFG_PCMCIA_POR1 != 0)
779 | timings
780 #endif
781 ;
782 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
783
784 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
785 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
786 #if (CFG_PCMCIA_POR2 != 0)
787 | timings
788 #endif
789 ;
790 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
791
792 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
793 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
794 #if (CFG_PCMCIA_POR3 != 0)
795 | timings
796 #endif
797 ;
798 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
799
800 /* IDE 1
801 */
802 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
803 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
804 #if (CFG_PCMCIA_POR4 != 0)
805 | timings
806 #endif
807 ;
808 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
809
810 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
811 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
812 #if (CFG_PCMCIA_POR5 != 0)
813 | timings
814 #endif
815 ;
816 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
817
818 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
819 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
820 #if (CFG_PCMCIA_POR6 != 0)
821 | timings
822 #endif
823 ;
824 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
825
826 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
827 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
828 #if (CFG_PCMCIA_POR7 != 0)
829 | timings
830 #endif
831 ;
832 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
833
834 }
835
836 #endif /* CONFIG_IDE_8xx_DIRECT */
837
838 /* ------------------------------------------------------------------------- */
839
840 #ifdef __PPC__
841 # ifdef CONFIG_AMIGAONEG3SE
842 static void
843 output_data_short(int dev, ulong *sect_buf, int words)
844 {
845 ushort *dbuf;
846 volatile ushort *pbuf;
847
848 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
849 dbuf = (ushort *)sect_buf;
850 while (words--) {
851 EIEIO;
852 *pbuf = *dbuf++;
853 EIEIO;
854 }
855
856 if (words&1)
857 *pbuf = 0;
858 }
859 # endif /* CONFIG_AMIGAONEG3SE */
860 #endif /* __PPC_ */
861
862 /* We only need to swap data if we are running on a big endian cpu. */
863 /* But Au1x00 cpu:s already swaps data in big endian mode! */
864 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
865 #define input_swap_data(x,y,z) input_data(x,y,z)
866 #else
867 static void
868 input_swap_data(int dev, ulong *sect_buf, int words)
869 {
870 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
871 uchar i;
872 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
873 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
874 ushort *dbuf = (ushort *)sect_buf;
875
876 while (words--) {
877 for (i=0; i<2; i++) {
878 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
879 *(uchar *)dbuf = *pbuf_odd;
880 dbuf+=1;
881 }
882 }
883 #else
884 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
885 ushort *dbuf = (ushort *)sect_buf;
886
887 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
888
889 while (words--) {
890 #ifdef __MIPS__
891 *dbuf++ = swab16p((u16*)pbuf);
892 *dbuf++ = swab16p((u16*)pbuf);
893 #elif defined(CONFIG_PCS440EP)
894 *dbuf++ = *pbuf;
895 *dbuf++ = *pbuf;
896 #else
897 *dbuf++ = ld_le16(pbuf);
898 *dbuf++ = ld_le16(pbuf);
899 #endif /* !MIPS */
900 }
901 #endif
902 }
903 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
904
905
906 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
907 static void
908 output_data(int dev, ulong *sect_buf, int words)
909 {
910 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
911 uchar *dbuf;
912 volatile uchar *pbuf_even;
913 volatile uchar *pbuf_odd;
914
915 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
916 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
917 dbuf = (uchar *)sect_buf;
918 while (words--) {
919 EIEIO;
920 *pbuf_even = *dbuf++;
921 EIEIO;
922 *pbuf_odd = *dbuf++;
923 EIEIO;
924 *pbuf_even = *dbuf++;
925 EIEIO;
926 *pbuf_odd = *dbuf++;
927 }
928 #else
929 ushort *dbuf;
930 volatile ushort *pbuf;
931
932 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
933 dbuf = (ushort *)sect_buf;
934 while (words--) {
935 #if defined(CONFIG_PCS440EP)
936 /* not tested, because CF was write protected */
937 EIEIO;
938 *pbuf = ld_le16(dbuf++);
939 EIEIO;
940 *pbuf = ld_le16(dbuf++);
941 #else
942 EIEIO;
943 *pbuf = *dbuf++;
944 EIEIO;
945 *pbuf = *dbuf++;
946 #endif
947 }
948 #endif
949 }
950 #else /* ! __PPC__ */
951 static void
952 output_data(int dev, ulong *sect_buf, int words)
953 {
954 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
955 }
956 #endif /* __PPC__ */
957
958 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
959 static void
960 input_data(int dev, ulong *sect_buf, int words)
961 {
962 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
963 uchar *dbuf;
964 volatile uchar *pbuf_even;
965 volatile uchar *pbuf_odd;
966
967 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
968 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
969 dbuf = (uchar *)sect_buf;
970 while (words--) {
971 *dbuf++ = *pbuf_even;
972 EIEIO;
973 SYNC;
974 *dbuf++ = *pbuf_odd;
975 EIEIO;
976 SYNC;
977 *dbuf++ = *pbuf_even;
978 EIEIO;
979 SYNC;
980 *dbuf++ = *pbuf_odd;
981 EIEIO;
982 SYNC;
983 }
984 #else
985 ushort *dbuf;
986 volatile ushort *pbuf;
987
988 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
989 dbuf = (ushort *)sect_buf;
990
991 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
992
993 while (words--) {
994 #if defined(CONFIG_PCS440EP)
995 EIEIO;
996 *dbuf++ = ld_le16(pbuf);
997 EIEIO;
998 *dbuf++ = ld_le16(pbuf);
999 #else
1000 EIEIO;
1001 *dbuf++ = *pbuf;
1002 EIEIO;
1003 *dbuf++ = *pbuf;
1004 #endif
1005 }
1006 #endif
1007 }
1008 #else /* ! __PPC__ */
1009 static void
1010 input_data(int dev, ulong *sect_buf, int words)
1011 {
1012 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1013 }
1014
1015 #endif /* __PPC__ */
1016
1017 #ifdef CONFIG_AMIGAONEG3SE
1018 static void
1019 input_data_short(int dev, ulong *sect_buf, int words)
1020 {
1021 ushort *dbuf;
1022 volatile ushort *pbuf;
1023
1024 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1025 dbuf = (ushort *)sect_buf;
1026 while (words--) {
1027 EIEIO;
1028 *dbuf++ = *pbuf;
1029 EIEIO;
1030 }
1031
1032 if (words&1) {
1033 ushort dummy;
1034 dummy = *pbuf;
1035 }
1036 }
1037 #endif
1038
1039 /* -------------------------------------------------------------------------
1040 */
1041 static void ide_ident (block_dev_desc_t *dev_desc)
1042 {
1043 ulong iobuf[ATA_SECTORWORDS];
1044 unsigned char c;
1045 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1046
1047 #ifdef CONFIG_AMIGAONEG3SE
1048 int max_bus_scan;
1049 char *s;
1050 #endif
1051 #ifdef CONFIG_ATAPI
1052 int retries = 0;
1053 int do_retry = 0;
1054 #endif
1055
1056 #if 0
1057 int mode, cycle_time;
1058 #endif
1059 int device;
1060 device=dev_desc->dev;
1061 printf (" Device %d: ", device);
1062
1063 #ifdef CONFIG_AMIGAONEG3SE
1064 s = getenv("ide_maxbus");
1065 if (s) {
1066 max_bus_scan = simple_strtol(s, NULL, 10);
1067 } else {
1068 max_bus_scan = CFG_IDE_MAXBUS;
1069 }
1070 if (device >= max_bus_scan*2) {
1071 dev_desc->type=DEV_TYPE_UNKNOWN;
1072 return;
1073 }
1074 #endif
1075
1076 ide_led (DEVICE_LED(device), 1); /* LED on */
1077 /* Select device
1078 */
1079 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1080 dev_desc->if_type=IF_TYPE_IDE;
1081 #ifdef CONFIG_ATAPI
1082
1083 do_retry = 0;
1084 retries = 0;
1085
1086 /* Warning: This will be tricky to read */
1087 while (retries <= 1) {
1088 /* check signature */
1089 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1090 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1091 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1092 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1093 /* ATAPI Signature found */
1094 dev_desc->if_type=IF_TYPE_ATAPI;
1095 /* Start Ident Command
1096 */
1097 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1098 /*
1099 * Wait for completion - ATAPI devices need more time
1100 * to become ready
1101 */
1102 c = ide_wait (device, ATAPI_TIME_OUT);
1103 } else
1104 #endif
1105 {
1106 /* Start Ident Command
1107 */
1108 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1109
1110 /* Wait for completion
1111 */
1112 c = ide_wait (device, IDE_TIME_OUT);
1113 }
1114 ide_led (DEVICE_LED(device), 0); /* LED off */
1115
1116 if (((c & ATA_STAT_DRQ) == 0) ||
1117 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1118 #ifdef CONFIG_ATAPI
1119 #ifdef CONFIG_AMIGAONEG3SE
1120 s = getenv("ide_doreset");
1121 if (s && strcmp(s, "on") == 0)
1122 #endif
1123 {
1124 /* Need to soft reset the device in case it's an ATAPI... */
1125 debug ("Retrying...\n");
1126 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1127 udelay(100000);
1128 ide_outb (device, ATA_COMMAND, 0x08);
1129 udelay (500000); /* 500 ms */
1130 }
1131 /* Select device
1132 */
1133 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1134 retries++;
1135 #else
1136 return;
1137 #endif
1138 }
1139 #ifdef CONFIG_ATAPI
1140 else
1141 break;
1142 } /* see above - ugly to read */
1143
1144 if (retries == 2) /* Not found */
1145 return;
1146 #endif
1147
1148 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1149
1150 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1151 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1152 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1153 #ifdef __LITTLE_ENDIAN
1154 /*
1155 * firmware revision and model number have Big Endian Byte
1156 * order in Word. Convert both to little endian.
1157 *
1158 * See CF+ and CompactFlash Specification Revision 2.0:
1159 * 6.2.1.6: Identfy Drive, Table 39 for more details
1160 */
1161
1162 strswab (dev_desc->revision);
1163 strswab (dev_desc->vendor);
1164 #endif /* __LITTLE_ENDIAN */
1165
1166 if ((iop->config & 0x0080)==0x0080)
1167 dev_desc->removable = 1;
1168 else
1169 dev_desc->removable = 0;
1170
1171 #if 0
1172 /*
1173 * Drive PIO mode autoselection
1174 */
1175 mode = iop->tPIO;
1176
1177 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1178 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1179 mode = 2;
1180 debug ("Override tPIO -> 2\n");
1181 }
1182 if (iop->field_valid & 2) { /* drive implements ATA2? */
1183 debug ("Drive implements ATA2\n");
1184 if (iop->capability & 8) { /* drive supports use_iordy? */
1185 cycle_time = iop->eide_pio_iordy;
1186 } else {
1187 cycle_time = iop->eide_pio;
1188 }
1189 debug ("cycle time = %d\n", cycle_time);
1190 mode = 4;
1191 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1192 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1193 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1194 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1195 }
1196 printf ("PIO mode to use: PIO %d\n", mode);
1197 #endif /* 0 */
1198
1199 #ifdef CONFIG_ATAPI
1200 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1201 atapi_inquiry(dev_desc);
1202 return;
1203 }
1204 #endif /* CONFIG_ATAPI */
1205
1206 #ifdef __BIG_ENDIAN
1207 /* swap shorts */
1208 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1209 #else /* ! __BIG_ENDIAN */
1210 /*
1211 * do not swap shorts on little endian
1212 *
1213 * See CF+ and CompactFlash Specification Revision 2.0:
1214 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1215 */
1216 dev_desc->lba = iop->lba_capacity;
1217 #endif /* __BIG_ENDIAN */
1218
1219 #ifdef CONFIG_LBA48
1220 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1221 dev_desc->lba48 = 1;
1222 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1223 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1224 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1225 ((unsigned long long)iop->lba48_capacity[3] << 48);
1226 } else {
1227 dev_desc->lba48 = 0;
1228 }
1229 #endif /* CONFIG_LBA48 */
1230 /* assuming HD */
1231 dev_desc->type=DEV_TYPE_HARDDISK;
1232 dev_desc->blksz=ATA_BLOCKSIZE;
1233 dev_desc->lun=0; /* just to fill something in... */
1234
1235 #if 0 /* only used to test the powersaving mode,
1236 * if enabled, the drive goes after 5 sec
1237 * in standby mode */
1238 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1239 c = ide_wait (device, IDE_TIME_OUT);
1240 ide_outb (device, ATA_SECT_CNT, 1);
1241 ide_outb (device, ATA_LBA_LOW, 0);
1242 ide_outb (device, ATA_LBA_MID, 0);
1243 ide_outb (device, ATA_LBA_HIGH, 0);
1244 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1245 ide_outb (device, ATA_COMMAND, 0xe3);
1246 udelay (50);
1247 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1248 #endif
1249 }
1250
1251
1252 /* ------------------------------------------------------------------------- */
1253
1254 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1255 {
1256 ulong n = 0;
1257 unsigned char c;
1258 unsigned char pwrsave=0; /* power save */
1259 #ifdef CONFIG_LBA48
1260 unsigned char lba48 = 0;
1261
1262 if (blknr & 0x0000fffff0000000ULL) {
1263 /* more than 28 bits used, use 48bit mode */
1264 lba48 = 1;
1265 }
1266 #endif
1267 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1268 device, blknr, blkcnt, (ulong)buffer);
1269
1270 ide_led (DEVICE_LED(device), 1); /* LED on */
1271
1272 /* Select device
1273 */
1274 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1275 c = ide_wait (device, IDE_TIME_OUT);
1276
1277 if (c & ATA_STAT_BUSY) {
1278 printf ("IDE read: device %d not ready\n", device);
1279 goto IDE_READ_E;
1280 }
1281
1282 /* first check if the drive is in Powersaving mode, if yes,
1283 * increase the timeout value */
1284 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1285 udelay (50);
1286
1287 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1288
1289 if (c & ATA_STAT_BUSY) {
1290 printf ("IDE read: device %d not ready\n", device);
1291 goto IDE_READ_E;
1292 }
1293 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1294 printf ("No Powersaving mode %X\n", c);
1295 } else {
1296 c = ide_inb(device,ATA_SECT_CNT);
1297 debug ("Powersaving %02X\n",c);
1298 if(c==0)
1299 pwrsave=1;
1300 }
1301
1302
1303 while (blkcnt-- > 0) {
1304
1305 c = ide_wait (device, IDE_TIME_OUT);
1306
1307 if (c & ATA_STAT_BUSY) {
1308 printf ("IDE read: device %d not ready\n", device);
1309 break;
1310 }
1311 #ifdef CONFIG_LBA48
1312 if (lba48) {
1313 /* write high bits */
1314 ide_outb (device, ATA_SECT_CNT, 0);
1315 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1316 #ifdef CFG_64BIT_LBA
1317 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1318 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1319 #else
1320 ide_outb (device, ATA_LBA_MID, 0);
1321 ide_outb (device, ATA_LBA_HIGH, 0);
1322 #endif
1323 }
1324 #endif
1325 ide_outb (device, ATA_SECT_CNT, 1);
1326 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1327 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1328 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1329
1330 #ifdef CONFIG_LBA48
1331 if (lba48) {
1332 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1333 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1334
1335 } else
1336 #endif
1337 {
1338 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1339 ATA_DEVICE(device) |
1340 ((blknr >> 24) & 0xF) );
1341 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1342 }
1343
1344 udelay (50);
1345
1346 if(pwrsave) {
1347 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1348 pwrsave=0;
1349 } else {
1350 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1351 }
1352
1353 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1354 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1355 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1356 device, blknr, c);
1357 #else
1358 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1359 device, (ulong)blknr, c);
1360 #endif
1361 break;
1362 }
1363
1364 input_data (device, buffer, ATA_SECTORWORDS);
1365 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1366
1367 ++n;
1368 ++blknr;
1369 buffer += ATA_BLOCKSIZE;
1370 }
1371 IDE_READ_E:
1372 ide_led (DEVICE_LED(device), 0); /* LED off */
1373 return (n);
1374 }
1375
1376 /* ------------------------------------------------------------------------- */
1377
1378
1379 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1380 {
1381 ulong n = 0;
1382 unsigned char c;
1383 #ifdef CONFIG_LBA48
1384 unsigned char lba48 = 0;
1385
1386 if (blknr & 0x0000fffff0000000ULL) {
1387 /* more than 28 bits used, use 48bit mode */
1388 lba48 = 1;
1389 }
1390 #endif
1391
1392 ide_led (DEVICE_LED(device), 1); /* LED on */
1393
1394 /* Select device
1395 */
1396 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1397
1398 while (blkcnt-- > 0) {
1399
1400 c = ide_wait (device, IDE_TIME_OUT);
1401
1402 if (c & ATA_STAT_BUSY) {
1403 printf ("IDE read: device %d not ready\n", device);
1404 goto WR_OUT;
1405 }
1406 #ifdef CONFIG_LBA48
1407 if (lba48) {
1408 /* write high bits */
1409 ide_outb (device, ATA_SECT_CNT, 0);
1410 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1411 #ifdef CFG_64BIT_LBA
1412 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1413 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1414 #else
1415 ide_outb (device, ATA_LBA_MID, 0);
1416 ide_outb (device, ATA_LBA_HIGH, 0);
1417 #endif
1418 }
1419 #endif
1420 ide_outb (device, ATA_SECT_CNT, 1);
1421 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1422 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1423 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1424
1425 #ifdef CONFIG_LBA48
1426 if (lba48) {
1427 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1428 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1429
1430 } else
1431 #endif
1432 {
1433 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1434 ATA_DEVICE(device) |
1435 ((blknr >> 24) & 0xF) );
1436 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1437 }
1438
1439 udelay (50);
1440
1441 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1442
1443 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1444 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1445 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1446 device, blknr, c);
1447 #else
1448 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1449 device, (ulong)blknr, c);
1450 #endif
1451 goto WR_OUT;
1452 }
1453
1454 output_data (device, buffer, ATA_SECTORWORDS);
1455 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1456 ++n;
1457 ++blknr;
1458 buffer += ATA_BLOCKSIZE;
1459 }
1460 WR_OUT:
1461 ide_led (DEVICE_LED(device), 0); /* LED off */
1462 return (n);
1463 }
1464
1465 /* ------------------------------------------------------------------------- */
1466
1467 /*
1468 * copy src to dest, skipping leading and trailing blanks and null
1469 * terminate the string
1470 * "len" is the size of available memory including the terminating '\0'
1471 */
1472 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1473 {
1474 unsigned char *end, *last;
1475
1476 last = dst;
1477 end = src + len - 1;
1478
1479 /* reserve space for '\0' */
1480 if (len < 2)
1481 goto OUT;
1482
1483 /* skip leading white space */
1484 while ((*src) && (src<end) && (*src==' '))
1485 ++src;
1486
1487 /* copy string, omitting trailing white space */
1488 while ((*src) && (src<end)) {
1489 *dst++ = *src;
1490 if (*src++ != ' ')
1491 last = dst;
1492 }
1493 OUT:
1494 *last = '\0';
1495 }
1496
1497 /* ------------------------------------------------------------------------- */
1498
1499 /*
1500 * Wait until Busy bit is off, or timeout (in ms)
1501 * Return last status
1502 */
1503 static uchar ide_wait (int dev, ulong t)
1504 {
1505 ulong delay = 10 * t; /* poll every 100 us */
1506 uchar c;
1507
1508 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1509 udelay (100);
1510 if (delay-- == 0) {
1511 break;
1512 }
1513 }
1514 return (c);
1515 }
1516
1517 /* ------------------------------------------------------------------------- */
1518
1519 #ifdef CONFIG_IDE_RESET
1520 extern void ide_set_reset(int idereset);
1521
1522 static void ide_reset (void)
1523 {
1524 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1525 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1526 #endif
1527 int i;
1528
1529 curr_device = -1;
1530 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1531 ide_bus_ok[i] = 0;
1532 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1533 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1534
1535 ide_set_reset (1); /* assert reset */
1536
1537 /* the reset signal shall be asserted for et least 25 us */
1538 udelay(25);
1539
1540 WATCHDOG_RESET();
1541
1542 #ifdef CFG_PB_12V_ENABLE
1543 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1544 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1545 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1546 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1547
1548 /* wait 500 ms for the voltage to stabilize
1549 */
1550 for (i=0; i<500; ++i) {
1551 udelay (1000);
1552 }
1553
1554 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1555 #endif /* CFG_PB_12V_ENABLE */
1556
1557 #ifdef CFG_PB_IDE_MOTOR
1558 /* configure IDE Motor voltage monitor pin as input */
1559 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1560 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1561 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1562
1563 /* wait up to 1 s for the motor voltage to stabilize
1564 */
1565 for (i=0; i<1000; ++i) {
1566 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1567 break;
1568 }
1569 udelay (1000);
1570 }
1571
1572 if (i == 1000) { /* Timeout */
1573 printf ("\nWarning: 5V for IDE Motor missing\n");
1574 # ifdef CONFIG_STATUS_LED
1575 # ifdef STATUS_LED_YELLOW
1576 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1577 # endif
1578 # ifdef STATUS_LED_GREEN
1579 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1580 # endif
1581 # endif /* CONFIG_STATUS_LED */
1582 }
1583 #endif /* CFG_PB_IDE_MOTOR */
1584
1585 WATCHDOG_RESET();
1586
1587 /* de-assert RESET signal */
1588 ide_set_reset(0);
1589
1590 /* wait 250 ms */
1591 for (i=0; i<250; ++i) {
1592 udelay (1000);
1593 }
1594 }
1595
1596 #endif /* CONFIG_IDE_RESET */
1597
1598 /* ------------------------------------------------------------------------- */
1599
1600 #if defined(CONFIG_IDE_LED) && \
1601 !defined(CONFIG_AMIGAONEG3SE)&& \
1602 !defined(CONFIG_CPC45) && \
1603 !defined(CONFIG_HMI10) && \
1604 !defined(CONFIG_KUP4K) && \
1605 !defined(CONFIG_KUP4X)
1606
1607 static uchar led_buffer = 0; /* Buffer for current LED status */
1608
1609 static void ide_led (uchar led, uchar status)
1610 {
1611 uchar *led_port = LED_PORT;
1612
1613 if (status) { /* switch LED on */
1614 led_buffer |= led;
1615 } else { /* switch LED off */
1616 led_buffer &= ~led;
1617 }
1618
1619 *led_port = led_buffer;
1620 }
1621
1622 #endif /* CONFIG_IDE_LED */
1623
1624 /* ------------------------------------------------------------------------- */
1625
1626 #ifdef CONFIG_ATAPI
1627 /****************************************************************************
1628 * ATAPI Support
1629 */
1630
1631 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1632 /* since ATAPI may use commands with not 4 bytes alligned length
1633 * we have our own transfer functions, 2 bytes alligned */
1634 static void
1635 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1636 {
1637 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1638 uchar *dbuf;
1639 volatile uchar *pbuf_even;
1640 volatile uchar *pbuf_odd;
1641
1642 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1643 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1644 while (shorts--) {
1645 EIEIO;
1646 *pbuf_even = *dbuf++;
1647 EIEIO;
1648 *pbuf_odd = *dbuf++;
1649 }
1650 #else
1651 ushort *dbuf;
1652 volatile ushort *pbuf;
1653
1654 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1655 dbuf = (ushort *)sect_buf;
1656
1657 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1658
1659 while (shorts--) {
1660 EIEIO;
1661 *pbuf = *dbuf++;
1662 }
1663 #endif
1664 }
1665
1666 static void
1667 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1668 {
1669 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1670 uchar *dbuf;
1671 volatile uchar *pbuf_even;
1672 volatile uchar *pbuf_odd;
1673
1674 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1675 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1676 while (shorts--) {
1677 EIEIO;
1678 *dbuf++ = *pbuf_even;
1679 EIEIO;
1680 *dbuf++ = *pbuf_odd;
1681 }
1682 #else
1683 ushort *dbuf;
1684 volatile ushort *pbuf;
1685
1686 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1687 dbuf = (ushort *)sect_buf;
1688
1689 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1690
1691 while (shorts--) {
1692 EIEIO;
1693 *dbuf++ = *pbuf;
1694 }
1695 #endif
1696 }
1697
1698 #else /* ! __PPC__ */
1699 static void
1700 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1701 {
1702 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1703 }
1704
1705 static void
1706 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1707 {
1708 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1709 }
1710
1711 #endif /* __PPC__ */
1712
1713 /*
1714 * Wait until (Status & mask) == res, or timeout (in ms)
1715 * Return last status
1716 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1717 * and then they set their DRQ Bit
1718 */
1719 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1720 {
1721 ulong delay = 10 * t; /* poll every 100 us */
1722 uchar c;
1723
1724 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1725 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1726 /* break if error occurs (doesn't make sense to wait more) */
1727 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1728 break;
1729 udelay (100);
1730 if (delay-- == 0) {
1731 break;
1732 }
1733 }
1734 return (c);
1735 }
1736
1737 /*
1738 * issue an atapi command
1739 */
1740 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1741 {
1742 unsigned char c,err,mask,res;
1743 int n;
1744 ide_led (DEVICE_LED(device), 1); /* LED on */
1745
1746 /* Select device
1747 */
1748 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1749 res = 0;
1750 #ifdef CONFIG_AMIGAONEG3SE
1751 # warning THF: Removed LBA mode ???
1752 #endif
1753 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1754 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1755 if ((c & mask) != res) {
1756 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1757 err=0xFF;
1758 goto AI_OUT;
1759 }
1760 /* write taskfile */
1761 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1762 ide_outb (device, ATA_SECT_CNT, 0);
1763 ide_outb (device, ATA_SECT_NUM, 0);
1764 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1765 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1766 #ifdef CONFIG_AMIGAONEG3SE
1767 # warning THF: Removed LBA mode ???
1768 #endif
1769 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1770
1771 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1772 udelay (50);
1773
1774 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1775 res = ATA_STAT_DRQ;
1776 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1777
1778 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1779 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1780 err=0xFF;
1781 goto AI_OUT;
1782 }
1783
1784 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1785 /* ATAPI Command written wait for completition */
1786 udelay (5000); /* device must set bsy */
1787
1788 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1789 /* if no data wait for DRQ = 0 BSY = 0
1790 * if data wait for DRQ = 1 BSY = 0 */
1791 res=0;
1792 if(buflen)
1793 res = ATA_STAT_DRQ;
1794 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1795 if ((c & mask) != res ) {
1796 if (c & ATA_STAT_ERR) {
1797 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1798 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1799 } else {
1800 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1801 err=0xFF;
1802 }
1803 goto AI_OUT;
1804 }
1805 n=ide_inb(device, ATA_CYL_HIGH);
1806 n<<=8;
1807 n+=ide_inb(device, ATA_CYL_LOW);
1808 if(n>buflen) {
1809 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1810 err=0xff;
1811 goto AI_OUT;
1812 }
1813 if((n==0)&&(buflen<0)) {
1814 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1815 err=0xff;
1816 goto AI_OUT;
1817 }
1818 if(n!=buflen) {
1819 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1820 }
1821 if(n!=0) { /* data transfer */
1822 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1823 /* we transfer shorts */
1824 n>>=1;
1825 /* ok now decide if it is an in or output */
1826 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1827 debug ("Write to device\n");
1828 output_data_shorts(device,(unsigned short *)buffer,n);
1829 } else {
1830 debug ("Read from device @ %p shorts %d\n",buffer,n);
1831 input_data_shorts(device,(unsigned short *)buffer,n);
1832 }
1833 }
1834 udelay(5000); /* seems that some CD ROMs need this... */
1835 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1836 res=0;
1837 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1838 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1839 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1840 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1841 } else {
1842 err = 0;
1843 }
1844 AI_OUT:
1845 ide_led (DEVICE_LED(device), 0); /* LED off */
1846 return (err);
1847 }
1848
1849 /*
1850 * sending the command to atapi_issue. If an status other than good
1851 * returns, an request_sense will be issued
1852 */
1853
1854 #define ATAPI_DRIVE_NOT_READY 100
1855 #define ATAPI_UNIT_ATTN 10
1856
1857 unsigned char atapi_issue_autoreq (int device,
1858 unsigned char* ccb,
1859 int ccblen,
1860 unsigned char *buffer,
1861 int buflen)
1862 {
1863 unsigned char sense_data[18],sense_ccb[12];
1864 unsigned char res,key,asc,ascq;
1865 int notready,unitattn;
1866
1867 #ifdef CONFIG_AMIGAONEG3SE
1868 char *s;
1869 unsigned int timeout, retrycnt;
1870
1871 s = getenv("ide_cd_timeout");
1872 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1873
1874 retrycnt = 0;
1875 #endif
1876
1877 unitattn=ATAPI_UNIT_ATTN;
1878 notready=ATAPI_DRIVE_NOT_READY;
1879
1880 retry:
1881 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1882 if (res==0)
1883 return (0); /* Ok */
1884
1885 if (res==0xFF)
1886 return (0xFF); /* error */
1887
1888 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1889
1890 memset(sense_ccb,0,sizeof(sense_ccb));
1891 memset(sense_data,0,sizeof(sense_data));
1892 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1893 sense_ccb[4]=18; /* allocation Length */
1894
1895 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1896 key=(sense_data[2]&0xF);
1897 asc=(sense_data[12]);
1898 ascq=(sense_data[13]);
1899
1900 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1901 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1902 sense_data[0],
1903 key,
1904 asc,
1905 ascq);
1906
1907 if((key==0))
1908 return 0; /* ok device ready */
1909
1910 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1911 if(unitattn-->0) {
1912 udelay(200*1000);
1913 goto retry;
1914 }
1915 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1916 goto error;
1917 }
1918 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1919 if (notready-->0) {
1920 udelay(200*1000);
1921 goto retry;
1922 }
1923 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1924 goto error;
1925 }
1926 if(asc==0x3a) {
1927 debug ("Media not present\n");
1928 goto error;
1929 }
1930
1931 #ifdef CONFIG_AMIGAONEG3SE
1932 if ((sense_data[2]&0xF)==0x0B) {
1933 debug ("ABORTED COMMAND...retry\n");
1934 if (retrycnt++ < 4)
1935 goto retry;
1936 return (0xFF);
1937 }
1938
1939 if ((sense_data[2]&0xf) == 0x02 &&
1940 sense_data[12] == 0x04 &&
1941 sense_data[13] == 0x01 ) {
1942 debug ("Waiting for unit to become active\n");
1943 udelay(timeout);
1944 if (retrycnt++ < 4)
1945 goto retry;
1946 return 0xFF;
1947 }
1948 #endif /* CONFIG_AMIGAONEG3SE */
1949
1950 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1951 error:
1952 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1953 return (0xFF);
1954 }
1955
1956
1957 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1958 {
1959 unsigned char ccb[12]; /* Command descriptor block */
1960 unsigned char iobuf[64]; /* temp buf */
1961 unsigned char c;
1962 int device;
1963
1964 device=dev_desc->dev;
1965 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1966 dev_desc->block_read=atapi_read;
1967
1968 memset(ccb,0,sizeof(ccb));
1969 memset(iobuf,0,sizeof(iobuf));
1970
1971 ccb[0]=ATAPI_CMD_INQUIRY;
1972 ccb[4]=40; /* allocation Legnth */
1973 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1974
1975 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1976 if (c!=0)
1977 return;
1978
1979 /* copy device ident strings */
1980 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1981 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1982 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1983
1984 dev_desc->lun=0;
1985 dev_desc->lba=0;
1986 dev_desc->blksz=0;
1987 dev_desc->type=iobuf[0] & 0x1f;
1988
1989 if ((iobuf[1]&0x80)==0x80)
1990 dev_desc->removable = 1;
1991 else
1992 dev_desc->removable = 0;
1993
1994 memset(ccb,0,sizeof(ccb));
1995 memset(iobuf,0,sizeof(iobuf));
1996 ccb[0]=ATAPI_CMD_START_STOP;
1997 ccb[4]=0x03; /* start */
1998
1999 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2000
2001 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
2002 if (c!=0)
2003 return;
2004
2005 memset(ccb,0,sizeof(ccb));
2006 memset(iobuf,0,sizeof(iobuf));
2007 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2008
2009 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
2010 if (c!=0)
2011 return;
2012
2013 memset(ccb,0,sizeof(ccb));
2014 memset(iobuf,0,sizeof(iobuf));
2015 ccb[0]=ATAPI_CMD_READ_CAP;
2016 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
2017 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
2018 if (c!=0)
2019 return;
2020
2021 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2022 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2023 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2024
2025 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2026 ((unsigned long)iobuf[1]<<16) +
2027 ((unsigned long)iobuf[2]<< 8) +
2028 ((unsigned long)iobuf[3]);
2029 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2030 ((unsigned long)iobuf[5]<<16) +
2031 ((unsigned long)iobuf[6]<< 8) +
2032 ((unsigned long)iobuf[7]);
2033 #ifdef CONFIG_LBA48
2034 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2035 #endif
2036 return;
2037 }
2038
2039
2040 /*
2041 * atapi_read:
2042 * we transfer only one block per command, since the multiple DRQ per
2043 * command is not yet implemented
2044 */
2045 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2046 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2047 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2048
2049 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2050 {
2051 ulong n = 0;
2052 unsigned char ccb[12]; /* Command descriptor block */
2053 ulong cnt;
2054
2055 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2056 device, blknr, blkcnt, (ulong)buffer);
2057
2058 do {
2059 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2060 cnt=ATAPI_READ_MAX_BLOCK;
2061 } else {
2062 cnt=blkcnt;
2063 }
2064 ccb[0]=ATAPI_CMD_READ_12;
2065 ccb[1]=0; /* reserved */
2066 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2067 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2068 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2069 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2070 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2071 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2072 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2073 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2074 ccb[10]=0; /* reserved */
2075 ccb[11]=0; /* reserved */
2076
2077 if (atapi_issue_autoreq(device,ccb,12,
2078 (unsigned char *)buffer,
2079 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2080 return (n);
2081 }
2082 n+=cnt;
2083 blkcnt-=cnt;
2084 blknr+=cnt;
2085 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2086 } while (blkcnt > 0);
2087 return (n);
2088 }
2089
2090 /* ------------------------------------------------------------------------- */
2091
2092 #endif /* CONFIG_ATAPI */
2093
2094 U_BOOT_CMD(
2095 ide, 5, 1, do_ide,
2096 "ide - IDE sub-system\n",
2097 "reset - reset IDE controller\n"
2098 "ide info - show available IDE devices\n"
2099 "ide device [dev] - show or set current device\n"
2100 "ide part [dev] - print partition table of one or all IDE devices\n"
2101 "ide read addr blk# cnt\n"
2102 "ide write addr blk# cnt - read/write `cnt'"
2103 " blocks starting at block `blk#'\n"
2104 " to/from memory address `addr'\n"
2105 );
2106
2107 U_BOOT_CMD(
2108 diskboot, 3, 1, do_diskboot,
2109 "diskboot- boot from IDE device\n",
2110 "loadAddr dev:part\n"
2111 );
"Das U-Boot" Source Tree