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Merge branch 'master' of git://www.denx.de/git/u-boot into new-image
[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 #ifndef __PPC__
56 #include <asm/io.h>
57 #endif
58
59 #ifdef CONFIG_IDE_8xx_DIRECT
60 DECLARE_GLOBAL_DATA_PTR;
61 #endif
62
63 #ifdef __PPC__
64 # define EIEIO __asm__ volatile ("eieio")
65 # define SYNC __asm__ volatile ("sync")
66 #else
67 # define EIEIO /* nothing */
68 # define SYNC /* nothing */
69 #endif
70
71 #ifdef CONFIG_IDE_8xx_DIRECT
72 /* Timings for IDE Interface
73 *
74 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
75 * 70 165 30 PIO-Mode 0, [ns]
76 * 4 9 2 [Cycles]
77 * 50 125 20 PIO-Mode 1, [ns]
78 * 3 7 2 [Cycles]
79 * 30 100 15 PIO-Mode 2, [ns]
80 * 2 6 1 [Cycles]
81 * 30 80 10 PIO-Mode 3, [ns]
82 * 2 5 1 [Cycles]
83 * 25 70 10 PIO-Mode 4, [ns]
84 * 2 4 1 [Cycles]
85 */
86
87 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
88 {
89 /* Setup Length Hold */
90 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
91 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
92 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
93 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
94 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
95 };
96
97 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
98
99 #ifndef CFG_PIO_MODE
100 #define CFG_PIO_MODE 0 /* use a relaxed default */
101 #endif
102 static int pio_mode = CFG_PIO_MODE;
103
104 /* Make clock cycles and always round up */
105
106 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
107
108 #endif /* CONFIG_IDE_8xx_DIRECT */
109
110 /* ------------------------------------------------------------------------- */
111
112 /* Current I/O Device */
113 static int curr_device = -1;
114
115 /* Current offset for IDE0 / IDE1 bus access */
116 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
117 #if defined(CFG_ATA_IDE0_OFFSET)
118 CFG_ATA_IDE0_OFFSET,
119 #endif
120 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
121 CFG_ATA_IDE1_OFFSET,
122 #endif
123 };
124
125
126 #ifndef CONFIG_AMIGAONEG3SE
127 static int ide_bus_ok[CFG_IDE_MAXBUS];
128 #else
129 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
130 #endif
131
132 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
133 /* ------------------------------------------------------------------------- */
134
135 #ifdef CONFIG_IDE_LED
136 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
137 static void ide_led (uchar led, uchar status);
138 #else
139 extern void ide_led (uchar led, uchar status);
140 #endif
141 #else
142 #ifndef CONFIG_AMIGAONEG3SE
143 #define ide_led(a,b) /* dummy */
144 #else
145 extern void ide_led(uchar led, uchar status);
146 #define LED_IDE1 1
147 #define LED_IDE2 2
148 #define CONFIG_IDE_LED 1
149 #define DEVICE_LED(x) 1
150 #endif
151 #endif
152
153 #ifdef CONFIG_IDE_RESET
154 static void ide_reset (void);
155 #else
156 #define ide_reset() /* dummy */
157 #endif
158
159 static void ide_ident (block_dev_desc_t *dev_desc);
160 static uchar ide_wait (int dev, ulong t);
161
162 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
163
164 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
165
166 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
167
168 void inline ide_outb(int dev, int port, unsigned char val);
169 unsigned char inline ide_inb(int dev, int port);
170 static void input_data(int dev, ulong *sect_buf, int words);
171 static void output_data(int dev, ulong *sect_buf, int words);
172 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
173
174 #ifndef CFG_ATA_PORT_ADDR
175 #define CFG_ATA_PORT_ADDR(port) (port)
176 #endif
177
178 #ifdef CONFIG_ATAPI
179 static void atapi_inquiry(block_dev_desc_t *dev_desc);
180 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
181 #endif
182
183
184 #ifdef CONFIG_IDE_8xx_DIRECT
185 static void set_pcmcia_timing (int pmode);
186 #endif
187
188 /* ------------------------------------------------------------------------- */
189
190 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
191 {
192 int rcode = 0;
193
194 switch (argc) {
195 case 0:
196 case 1:
197 printf ("Usage:\n%s\n", cmdtp->usage);
198 return 1;
199 case 2:
200 if (strncmp(argv[1],"res",3) == 0) {
201 puts ("\nReset IDE"
202 #ifdef CONFIG_IDE_8xx_DIRECT
203 " on PCMCIA " PCMCIA_SLOT_MSG
204 #endif
205 ": ");
206
207 ide_init ();
208 return 0;
209 } else if (strncmp(argv[1],"inf",3) == 0) {
210 int i;
211
212 putc ('\n');
213
214 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
215 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
216 continue; /* list only known devices */
217 printf ("IDE device %d: ", i);
218 dev_print(&ide_dev_desc[i]);
219 }
220 return 0;
221
222 } else if (strncmp(argv[1],"dev",3) == 0) {
223 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
224 puts ("\nno IDE devices available\n");
225 return 1;
226 }
227 printf ("\nIDE device %d: ", curr_device);
228 dev_print(&ide_dev_desc[curr_device]);
229 return 0;
230 } else if (strncmp(argv[1],"part",4) == 0) {
231 int dev, ok;
232
233 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
234 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
235 ++ok;
236 if (dev)
237 putc ('\n');
238 print_part(&ide_dev_desc[dev]);
239 }
240 }
241 if (!ok) {
242 puts ("\nno IDE devices available\n");
243 rcode ++;
244 }
245 return rcode;
246 }
247 printf ("Usage:\n%s\n", cmdtp->usage);
248 return 1;
249 case 3:
250 if (strncmp(argv[1],"dev",3) == 0) {
251 int dev = (int)simple_strtoul(argv[2], NULL, 10);
252
253 printf ("\nIDE device %d: ", dev);
254 if (dev >= CFG_IDE_MAXDEVICE) {
255 puts ("unknown device\n");
256 return 1;
257 }
258 dev_print(&ide_dev_desc[dev]);
259 /*ide_print (dev);*/
260
261 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
262 return 1;
263 }
264
265 curr_device = dev;
266
267 puts ("... is now current device\n");
268
269 return 0;
270 } else if (strncmp(argv[1],"part",4) == 0) {
271 int dev = (int)simple_strtoul(argv[2], NULL, 10);
272
273 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
274 print_part(&ide_dev_desc[dev]);
275 } else {
276 printf ("\nIDE device %d not available\n", dev);
277 rcode = 1;
278 }
279 return rcode;
280 #if 0
281 } else if (strncmp(argv[1],"pio",4) == 0) {
282 int mode = (int)simple_strtoul(argv[2], NULL, 10);
283
284 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
285 puts ("\nSetting ");
286 pio_mode = mode;
287 ide_init ();
288 } else {
289 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
290 mode, IDE_MAX_PIO_MODE);
291 }
292 return;
293 #endif
294 }
295
296 printf ("Usage:\n%s\n", cmdtp->usage);
297 return 1;
298 default:
299 /* at least 4 args */
300
301 if (strcmp(argv[1],"read") == 0) {
302 ulong addr = simple_strtoul(argv[2], NULL, 16);
303 ulong cnt = simple_strtoul(argv[4], NULL, 16);
304 ulong n;
305 #ifdef CFG_64BIT_STRTOUL
306 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
307
308 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
309 curr_device, blk, cnt);
310 #else
311 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
312
313 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
314 curr_device, blk, cnt);
315 #endif
316
317 n = ide_dev_desc[curr_device].block_read (curr_device,
318 blk, cnt,
319 (ulong *)addr);
320 /* flush cache after read */
321 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
322
323 printf ("%ld blocks read: %s\n",
324 n, (n==cnt) ? "OK" : "ERROR");
325 if (n==cnt) {
326 return 0;
327 } else {
328 return 1;
329 }
330 } else if (strcmp(argv[1],"write") == 0) {
331 ulong addr = simple_strtoul(argv[2], NULL, 16);
332 ulong cnt = simple_strtoul(argv[4], NULL, 16);
333 ulong n;
334 #ifdef CFG_64BIT_STRTOUL
335 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
336
337 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
338 curr_device, blk, cnt);
339 #else
340 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
341
342 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
343 curr_device, blk, cnt);
344 #endif
345
346 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
347
348 printf ("%ld blocks written: %s\n",
349 n, (n==cnt) ? "OK" : "ERROR");
350 if (n==cnt) {
351 return 0;
352 } else {
353 return 1;
354 }
355 } else {
356 printf ("Usage:\n%s\n", cmdtp->usage);
357 rcode = 1;
358 }
359
360 return rcode;
361 }
362 }
363
364 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
365 {
366 char *boot_device = NULL;
367 char *ep;
368 int dev, part = 0;
369 ulong addr, cnt;
370 disk_partition_t info;
371 image_header_t *hdr;
372 int rcode = 0;
373
374 show_boot_progress (41);
375 switch (argc) {
376 case 1:
377 addr = CFG_LOAD_ADDR;
378 boot_device = getenv ("bootdevice");
379 break;
380 case 2:
381 addr = simple_strtoul(argv[1], NULL, 16);
382 boot_device = getenv ("bootdevice");
383 break;
384 case 3:
385 addr = simple_strtoul(argv[1], NULL, 16);
386 boot_device = argv[2];
387 break;
388 default:
389 printf ("Usage:\n%s\n", cmdtp->usage);
390 show_boot_progress (-42);
391 return 1;
392 }
393 show_boot_progress (42);
394
395 if (!boot_device) {
396 puts ("\n** No boot device **\n");
397 show_boot_progress (-43);
398 return 1;
399 }
400 show_boot_progress (43);
401
402 dev = simple_strtoul(boot_device, &ep, 16);
403
404 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
405 printf ("\n** Device %d not available\n", dev);
406 show_boot_progress (-44);
407 return 1;
408 }
409 show_boot_progress (44);
410
411 if (*ep) {
412 if (*ep != ':') {
413 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
414 show_boot_progress (-45);
415 return 1;
416 }
417 part = simple_strtoul(++ep, NULL, 16);
418 }
419 show_boot_progress (45);
420 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
421 show_boot_progress (-46);
422 return 1;
423 }
424 show_boot_progress (46);
425 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
426 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
427 printf ("\n** Invalid partition type \"%.32s\""
428 " (expect \"" BOOT_PART_TYPE "\")\n",
429 info.type);
430 show_boot_progress (-47);
431 return 1;
432 }
433 show_boot_progress (47);
434
435 printf ("\nLoading from IDE device %d, partition %d: "
436 "Name: %.32s Type: %.32s\n",
437 dev, part, info.name, info.type);
438
439 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
440 info.start, info.size, info.blksz);
441
442 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
443 printf ("** Read error on %d:%d\n", dev, part);
444 show_boot_progress (-48);
445 return 1;
446 }
447 show_boot_progress (48);
448
449 switch (gen_image_get_format ((void *)addr)) {
450 case IMAGE_FORMAT_LEGACY:
451 hdr = (image_header_t *)addr;
452
453 if (!image_check_magic (hdr)) {
454 printf("\n** Bad Magic Number **\n");
455 show_boot_progress (-49);
456 return 1;
457 }
458 show_boot_progress (49);
459
460 if (!image_check_hcrc (hdr)) {
461 puts ("\n** Bad Header Checksum **\n");
462 show_boot_progress (-50);
463 return 1;
464 }
465 show_boot_progress (50);
466
467 image_print_contents (hdr);
468
469 cnt = image_get_image_size (hdr);
470 break;
471 #if defined(CONFIG_FIT)
472 case IMAGE_FORMAT_FIT:
473 fit_unsupported ("diskboot");
474 return 1;
475 #endif
476 default:
477 puts ("** Unknown image type\n");
478 return 1;
479 }
480
481 cnt += info.blksz - 1;
482 cnt /= info.blksz;
483 cnt -= 1;
484
485 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
486 (ulong *)(addr+info.blksz)) != cnt) {
487 printf ("** Read error on %d:%d\n", dev, part);
488 show_boot_progress (-51);
489 return 1;
490 }
491 show_boot_progress (51);
492
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
516 void ide_init (void)
517 {
518
519 #ifdef CONFIG_IDE_8xx_DIRECT
520 volatile immap_t *immr = (immap_t *)CFG_IMMR;
521 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
522 #endif
523 unsigned char c;
524 int i, bus;
525 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
526 unsigned int ata_reset_time = ATA_RESET_TIME;
527 char *s;
528 #endif
529 #ifdef CONFIG_AMIGAONEG3SE
530 unsigned int max_bus_scan;
531 #endif
532 #ifdef CONFIG_IDE_8xx_PCCARD
533 extern int pcmcia_on (void);
534 extern int ide_devices_found; /* Initialized in check_ide_device() */
535 #endif /* CONFIG_IDE_8xx_PCCARD */
536
537 #ifdef CONFIG_IDE_PREINIT
538 extern int ide_preinit (void);
539 WATCHDOG_RESET();
540
541 if (ide_preinit ()) {
542 puts ("ide_preinit failed\n");
543 return;
544 }
545 #endif /* CONFIG_IDE_PREINIT */
546
547 #ifdef CONFIG_IDE_8xx_PCCARD
548 extern int pcmcia_on (void);
549 extern int ide_devices_found; /* Initialized in check_ide_device() */
550
551 WATCHDOG_RESET();
552
553 ide_devices_found = 0;
554 /* initialize the PCMCIA IDE adapter card */
555 pcmcia_on();
556 if (!ide_devices_found)
557 return;
558 udelay (1000000); /* 1 s */
559 #endif /* CONFIG_IDE_8xx_PCCARD */
560
561 WATCHDOG_RESET();
562
563 #ifdef CONFIG_IDE_8xx_DIRECT
564 /* Initialize PIO timing tables */
565 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
566 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
567 gd->bus_clk);
568 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
569 gd->bus_clk);
570 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
571 gd->bus_clk);
572 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
573 " len=%3d ns/%d clk"
574 " hold=%2d ns/%d clk\n",
575 i,
576 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
577 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
578 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
579 }
580 #endif /* CONFIG_IDE_8xx_DIRECT */
581
582 /* Reset the IDE just to be sure.
583 * Light LED's to show
584 */
585 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
586 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
587
588 #ifdef CONFIG_IDE_8xx_DIRECT
589 /* PCMCIA / IDE initialization for common mem space */
590 pcmp->pcmc_pgcrb = 0;
591
592 /* start in PIO mode 0 - most relaxed timings */
593 pio_mode = 0;
594 set_pcmcia_timing (pio_mode);
595 #endif /* CONFIG_IDE_8xx_DIRECT */
596
597 /*
598 * Wait for IDE to get ready.
599 * According to spec, this can take up to 31 seconds!
600 */
601 #ifndef CONFIG_AMIGAONEG3SE
602 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
603 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
604 #else
605 s = getenv("ide_maxbus");
606 if (s)
607 max_bus_scan = simple_strtol(s, NULL, 10);
608 else
609 max_bus_scan = CFG_IDE_MAXBUS;
610
611 for (bus=0; bus<max_bus_scan; ++bus) {
612 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
613 #endif
614
615 #ifdef CONFIG_IDE_8xx_PCCARD
616 /* Skip non-ide devices from probing */
617 if ((ide_devices_found & (1 << bus)) == 0) {
618 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
619 continue;
620 }
621 #endif
622 printf ("Bus %d: ", bus);
623
624 ide_bus_ok[bus] = 0;
625
626 /* Select device
627 */
628 udelay (100000); /* 100 ms */
629 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
630 udelay (100000); /* 100 ms */
631 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
632 if ((s = getenv("ide_reset_timeout")) != NULL)
633 ata_reset_time = simple_strtol(s, NULL, 10);
634 #endif
635 i = 0;
636 do {
637 udelay (10000); /* 10 ms */
638
639 c = ide_inb (dev, ATA_STATUS);
640 i++;
641 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
642 if (i > (ata_reset_time * 100)) {
643 #else
644 if (i > (ATA_RESET_TIME * 100)) {
645 #endif
646 puts ("** Timeout **\n");
647 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
648 #ifdef CONFIG_AMIGAONEG3SE
649 /* If this is the second bus, the first one was OK */
650 if (bus != 0) {
651 ide_bus_ok[bus] = 0;
652 goto skip_bus;
653 }
654 #endif
655 return;
656 }
657 if ((i >= 100) && ((i%100)==0)) {
658 putc ('.');
659 }
660 } while (c & ATA_STAT_BUSY);
661
662 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
663 puts ("not available ");
664 debug ("Status = 0x%02X ", c);
665 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
666 } else if ((c & ATA_STAT_READY) == 0) {
667 puts ("not available ");
668 debug ("Status = 0x%02X ", c);
669 #endif
670 } else {
671 puts ("OK ");
672 ide_bus_ok[bus] = 1;
673 }
674 WATCHDOG_RESET();
675 }
676
677 #ifdef CONFIG_AMIGAONEG3SE
678 skip_bus:
679 #endif
680 putc ('\n');
681
682 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
683
684 curr_device = -1;
685 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
686 #ifdef CONFIG_IDE_LED
687 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
688 #endif
689 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
690 ide_dev_desc[i].if_type=IF_TYPE_IDE;
691 ide_dev_desc[i].dev=i;
692 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
693 ide_dev_desc[i].blksz=0;
694 ide_dev_desc[i].lba=0;
695 ide_dev_desc[i].block_read=ide_read;
696 if (!ide_bus_ok[IDE_BUS(i)])
697 continue;
698 ide_led (led, 1); /* LED on */
699 ide_ident(&ide_dev_desc[i]);
700 ide_led (led, 0); /* LED off */
701 dev_print(&ide_dev_desc[i]);
702 /* ide_print (i); */
703 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
704 init_part (&ide_dev_desc[i]); /* initialize partition type */
705 if (curr_device < 0)
706 curr_device = i;
707 }
708 }
709 WATCHDOG_RESET();
710 }
711
712 /* ------------------------------------------------------------------------- */
713
714 block_dev_desc_t * ide_get_dev(int dev)
715 {
716 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
717 }
718
719
720 #ifdef CONFIG_IDE_8xx_DIRECT
721
722 static void
723 set_pcmcia_timing (int pmode)
724 {
725 volatile immap_t *immr = (immap_t *)CFG_IMMR;
726 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
727 ulong timings;
728
729 debug ("Set timing for PIO Mode %d\n", pmode);
730
731 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
732 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
733 | PCMCIA_SL (pio_config_clk[pmode].t_length)
734 ;
735
736 /* IDE 0
737 */
738 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
739 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
740 #if (CFG_PCMCIA_POR0 != 0)
741 | timings
742 #endif
743 ;
744 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
745
746 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
747 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
748 #if (CFG_PCMCIA_POR1 != 0)
749 | timings
750 #endif
751 ;
752 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
753
754 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
755 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
756 #if (CFG_PCMCIA_POR2 != 0)
757 | timings
758 #endif
759 ;
760 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
761
762 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
763 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
764 #if (CFG_PCMCIA_POR3 != 0)
765 | timings
766 #endif
767 ;
768 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
769
770 /* IDE 1
771 */
772 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
773 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
774 #if (CFG_PCMCIA_POR4 != 0)
775 | timings
776 #endif
777 ;
778 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
779
780 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
781 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
782 #if (CFG_PCMCIA_POR5 != 0)
783 | timings
784 #endif
785 ;
786 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
787
788 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
789 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
790 #if (CFG_PCMCIA_POR6 != 0)
791 | timings
792 #endif
793 ;
794 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
795
796 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
797 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
798 #if (CFG_PCMCIA_POR7 != 0)
799 | timings
800 #endif
801 ;
802 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
803
804 }
805
806 #endif /* CONFIG_IDE_8xx_DIRECT */
807
808 /* ------------------------------------------------------------------------- */
809
810 void inline
811 __ide_outb(int dev, int port, unsigned char val)
812 {
813 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
814 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
815 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
816 }
817 void inline ide_outb (int dev, int port, unsigned char val)
818 __attribute__((weak, alias("__ide_outb")));
819
820 unsigned char inline
821 __ide_inb(int dev, int port)
822 {
823 uchar val;
824 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
825 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
826 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
827 return val;
828 }
829 unsigned char inline ide_inb(int dev, int port)
830 __attribute__((weak, alias("__ide_inb")));
831
832 #ifdef __PPC__
833 # ifdef CONFIG_AMIGAONEG3SE
834 static void
835 output_data_short(int dev, ulong *sect_buf, int words)
836 {
837 ushort *dbuf;
838 volatile ushort *pbuf;
839
840 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
841 dbuf = (ushort *)sect_buf;
842 while (words--) {
843 EIEIO;
844 *pbuf = *dbuf++;
845 EIEIO;
846 }
847
848 if (words&1)
849 *pbuf = 0;
850 }
851 # endif /* CONFIG_AMIGAONEG3SE */
852 #endif /* __PPC_ */
853
854 /* We only need to swap data if we are running on a big endian cpu. */
855 /* But Au1x00 cpu:s already swaps data in big endian mode! */
856 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
857 #define input_swap_data(x,y,z) input_data(x,y,z)
858 #else
859 static void
860 input_swap_data(int dev, ulong *sect_buf, int words)
861 {
862 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
863 uchar i;
864 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
865 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
866 ushort *dbuf = (ushort *)sect_buf;
867
868 while (words--) {
869 for (i=0; i<2; i++) {
870 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
871 *(uchar *)dbuf = *pbuf_odd;
872 dbuf+=1;
873 }
874 }
875 #else
876 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
877 ushort *dbuf = (ushort *)sect_buf;
878
879 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
880
881 while (words--) {
882 #ifdef __MIPS__
883 *dbuf++ = swab16p((u16*)pbuf);
884 *dbuf++ = swab16p((u16*)pbuf);
885 #elif defined(CONFIG_PCS440EP)
886 *dbuf++ = *pbuf;
887 *dbuf++ = *pbuf;
888 #else
889 *dbuf++ = ld_le16(pbuf);
890 *dbuf++ = ld_le16(pbuf);
891 #endif /* !MIPS */
892 }
893 #endif
894 }
895 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
896
897
898 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
899 static void
900 output_data(int dev, ulong *sect_buf, int words)
901 {
902 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
903 uchar *dbuf;
904 volatile uchar *pbuf_even;
905 volatile uchar *pbuf_odd;
906
907 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
908 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
909 dbuf = (uchar *)sect_buf;
910 while (words--) {
911 EIEIO;
912 *pbuf_even = *dbuf++;
913 EIEIO;
914 *pbuf_odd = *dbuf++;
915 EIEIO;
916 *pbuf_even = *dbuf++;
917 EIEIO;
918 *pbuf_odd = *dbuf++;
919 }
920 #else
921 ushort *dbuf;
922 volatile ushort *pbuf;
923
924 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
925 dbuf = (ushort *)sect_buf;
926 while (words--) {
927 #if defined(CONFIG_PCS440EP)
928 /* not tested, because CF was write protected */
929 EIEIO;
930 *pbuf = ld_le16(dbuf++);
931 EIEIO;
932 *pbuf = ld_le16(dbuf++);
933 #else
934 EIEIO;
935 *pbuf = *dbuf++;
936 EIEIO;
937 *pbuf = *dbuf++;
938 #endif
939 }
940 #endif
941 }
942 #else /* ! __PPC__ */
943 static void
944 output_data(int dev, ulong *sect_buf, int words)
945 {
946 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
947 }
948 #endif /* __PPC__ */
949
950 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
951 static void
952 input_data(int dev, ulong *sect_buf, int words)
953 {
954 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
955 uchar *dbuf;
956 volatile uchar *pbuf_even;
957 volatile uchar *pbuf_odd;
958
959 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
960 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
961 dbuf = (uchar *)sect_buf;
962 while (words--) {
963 *dbuf++ = *pbuf_even;
964 EIEIO;
965 SYNC;
966 *dbuf++ = *pbuf_odd;
967 EIEIO;
968 SYNC;
969 *dbuf++ = *pbuf_even;
970 EIEIO;
971 SYNC;
972 *dbuf++ = *pbuf_odd;
973 EIEIO;
974 SYNC;
975 }
976 #else
977 ushort *dbuf;
978 volatile ushort *pbuf;
979
980 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
981 dbuf = (ushort *)sect_buf;
982
983 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
984
985 while (words--) {
986 #if defined(CONFIG_PCS440EP)
987 EIEIO;
988 *dbuf++ = ld_le16(pbuf);
989 EIEIO;
990 *dbuf++ = ld_le16(pbuf);
991 #else
992 EIEIO;
993 *dbuf++ = *pbuf;
994 EIEIO;
995 *dbuf++ = *pbuf;
996 #endif
997 }
998 #endif
999 }
1000 #else /* ! __PPC__ */
1001 static void
1002 input_data(int dev, ulong *sect_buf, int words)
1003 {
1004 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1005 }
1006
1007 #endif /* __PPC__ */
1008
1009 #ifdef CONFIG_AMIGAONEG3SE
1010 static void
1011 input_data_short(int dev, ulong *sect_buf, int words)
1012 {
1013 ushort *dbuf;
1014 volatile ushort *pbuf;
1015
1016 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1017 dbuf = (ushort *)sect_buf;
1018 while (words--) {
1019 EIEIO;
1020 *dbuf++ = *pbuf;
1021 EIEIO;
1022 }
1023
1024 if (words&1) {
1025 ushort dummy;
1026 dummy = *pbuf;
1027 }
1028 }
1029 #endif
1030
1031 /* -------------------------------------------------------------------------
1032 */
1033 static void ide_ident (block_dev_desc_t *dev_desc)
1034 {
1035 ulong iobuf[ATA_SECTORWORDS];
1036 unsigned char c;
1037 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1038
1039 #ifdef CONFIG_AMIGAONEG3SE
1040 int max_bus_scan;
1041 char *s;
1042 #endif
1043 #ifdef CONFIG_ATAPI
1044 int retries = 0;
1045 int do_retry = 0;
1046 #endif
1047
1048 #if 0
1049 int mode, cycle_time;
1050 #endif
1051 int device;
1052 device=dev_desc->dev;
1053 printf (" Device %d: ", device);
1054
1055 #ifdef CONFIG_AMIGAONEG3SE
1056 s = getenv("ide_maxbus");
1057 if (s) {
1058 max_bus_scan = simple_strtol(s, NULL, 10);
1059 } else {
1060 max_bus_scan = CFG_IDE_MAXBUS;
1061 }
1062 if (device >= max_bus_scan*2) {
1063 dev_desc->type=DEV_TYPE_UNKNOWN;
1064 return;
1065 }
1066 #endif
1067
1068 ide_led (DEVICE_LED(device), 1); /* LED on */
1069 /* Select device
1070 */
1071 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1072 dev_desc->if_type=IF_TYPE_IDE;
1073 #ifdef CONFIG_ATAPI
1074
1075 do_retry = 0;
1076 retries = 0;
1077
1078 /* Warning: This will be tricky to read */
1079 while (retries <= 1) {
1080 /* check signature */
1081 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1082 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1083 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1084 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1085 /* ATAPI Signature found */
1086 dev_desc->if_type=IF_TYPE_ATAPI;
1087 /* Start Ident Command
1088 */
1089 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1090 /*
1091 * Wait for completion - ATAPI devices need more time
1092 * to become ready
1093 */
1094 c = ide_wait (device, ATAPI_TIME_OUT);
1095 } else
1096 #endif
1097 {
1098 /* Start Ident Command
1099 */
1100 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1101
1102 /* Wait for completion
1103 */
1104 c = ide_wait (device, IDE_TIME_OUT);
1105 }
1106 ide_led (DEVICE_LED(device), 0); /* LED off */
1107
1108 if (((c & ATA_STAT_DRQ) == 0) ||
1109 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1110 #ifdef CONFIG_ATAPI
1111 #ifdef CONFIG_AMIGAONEG3SE
1112 s = getenv("ide_doreset");
1113 if (s && strcmp(s, "on") == 0)
1114 #endif
1115 {
1116 /* Need to soft reset the device in case it's an ATAPI... */
1117 debug ("Retrying...\n");
1118 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1119 udelay(100000);
1120 ide_outb (device, ATA_COMMAND, 0x08);
1121 udelay (500000); /* 500 ms */
1122 }
1123 /* Select device
1124 */
1125 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1126 retries++;
1127 #else
1128 return;
1129 #endif
1130 }
1131 #ifdef CONFIG_ATAPI
1132 else
1133 break;
1134 } /* see above - ugly to read */
1135
1136 if (retries == 2) /* Not found */
1137 return;
1138 #endif
1139
1140 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1141
1142 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1143 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1144 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1145 #ifdef __LITTLE_ENDIAN
1146 /*
1147 * firmware revision and model number have Big Endian Byte
1148 * order in Word. Convert both to little endian.
1149 *
1150 * See CF+ and CompactFlash Specification Revision 2.0:
1151 * 6.2.1.6: Identfy Drive, Table 39 for more details
1152 */
1153
1154 strswab (dev_desc->revision);
1155 strswab (dev_desc->vendor);
1156 #endif /* __LITTLE_ENDIAN */
1157
1158 if ((iop->config & 0x0080)==0x0080)
1159 dev_desc->removable = 1;
1160 else
1161 dev_desc->removable = 0;
1162
1163 #if 0
1164 /*
1165 * Drive PIO mode autoselection
1166 */
1167 mode = iop->tPIO;
1168
1169 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1170 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1171 mode = 2;
1172 debug ("Override tPIO -> 2\n");
1173 }
1174 if (iop->field_valid & 2) { /* drive implements ATA2? */
1175 debug ("Drive implements ATA2\n");
1176 if (iop->capability & 8) { /* drive supports use_iordy? */
1177 cycle_time = iop->eide_pio_iordy;
1178 } else {
1179 cycle_time = iop->eide_pio;
1180 }
1181 debug ("cycle time = %d\n", cycle_time);
1182 mode = 4;
1183 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1184 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1185 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1186 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1187 }
1188 printf ("PIO mode to use: PIO %d\n", mode);
1189 #endif /* 0 */
1190
1191 #ifdef CONFIG_ATAPI
1192 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1193 atapi_inquiry(dev_desc);
1194 return;
1195 }
1196 #endif /* CONFIG_ATAPI */
1197
1198 #ifdef __BIG_ENDIAN
1199 /* swap shorts */
1200 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1201 #else /* ! __BIG_ENDIAN */
1202 /*
1203 * do not swap shorts on little endian
1204 *
1205 * See CF+ and CompactFlash Specification Revision 2.0:
1206 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1207 */
1208 dev_desc->lba = iop->lba_capacity;
1209 #endif /* __BIG_ENDIAN */
1210
1211 #ifdef CONFIG_LBA48
1212 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1213 dev_desc->lba48 = 1;
1214 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1215 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1216 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1217 ((unsigned long long)iop->lba48_capacity[3] << 48);
1218 } else {
1219 dev_desc->lba48 = 0;
1220 }
1221 #endif /* CONFIG_LBA48 */
1222 /* assuming HD */
1223 dev_desc->type=DEV_TYPE_HARDDISK;
1224 dev_desc->blksz=ATA_BLOCKSIZE;
1225 dev_desc->lun=0; /* just to fill something in... */
1226
1227 #if 0 /* only used to test the powersaving mode,
1228 * if enabled, the drive goes after 5 sec
1229 * in standby mode */
1230 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1231 c = ide_wait (device, IDE_TIME_OUT);
1232 ide_outb (device, ATA_SECT_CNT, 1);
1233 ide_outb (device, ATA_LBA_LOW, 0);
1234 ide_outb (device, ATA_LBA_MID, 0);
1235 ide_outb (device, ATA_LBA_HIGH, 0);
1236 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1237 ide_outb (device, ATA_COMMAND, 0xe3);
1238 udelay (50);
1239 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1240 #endif
1241 }
1242
1243
1244 /* ------------------------------------------------------------------------- */
1245
1246 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1247 {
1248 ulong n = 0;
1249 unsigned char c;
1250 unsigned char pwrsave=0; /* power save */
1251 #ifdef CONFIG_LBA48
1252 unsigned char lba48 = 0;
1253
1254 if (blknr & 0x0000fffff0000000) {
1255 /* more than 28 bits used, use 48bit mode */
1256 lba48 = 1;
1257 }
1258 #endif
1259 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1260 device, blknr, blkcnt, (ulong)buffer);
1261
1262 ide_led (DEVICE_LED(device), 1); /* LED on */
1263
1264 /* Select device
1265 */
1266 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1267 c = ide_wait (device, IDE_TIME_OUT);
1268
1269 if (c & ATA_STAT_BUSY) {
1270 printf ("IDE read: device %d not ready\n", device);
1271 goto IDE_READ_E;
1272 }
1273
1274 /* first check if the drive is in Powersaving mode, if yes,
1275 * increase the timeout value */
1276 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1277 udelay (50);
1278
1279 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1280
1281 if (c & ATA_STAT_BUSY) {
1282 printf ("IDE read: device %d not ready\n", device);
1283 goto IDE_READ_E;
1284 }
1285 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1286 printf ("No Powersaving mode %X\n", c);
1287 } else {
1288 c = ide_inb(device,ATA_SECT_CNT);
1289 debug ("Powersaving %02X\n",c);
1290 if(c==0)
1291 pwrsave=1;
1292 }
1293
1294
1295 while (blkcnt-- > 0) {
1296
1297 c = ide_wait (device, IDE_TIME_OUT);
1298
1299 if (c & ATA_STAT_BUSY) {
1300 printf ("IDE read: device %d not ready\n", device);
1301 break;
1302 }
1303 #ifdef CONFIG_LBA48
1304 if (lba48) {
1305 /* write high bits */
1306 ide_outb (device, ATA_SECT_CNT, 0);
1307 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1308 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1309 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1310 }
1311 #endif
1312 ide_outb (device, ATA_SECT_CNT, 1);
1313 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1314 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1315 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1316
1317 #ifdef CONFIG_LBA48
1318 if (lba48) {
1319 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1320 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1321
1322 } else
1323 #endif
1324 {
1325 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1326 ATA_DEVICE(device) |
1327 ((blknr >> 24) & 0xF) );
1328 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1329 }
1330
1331 udelay (50);
1332
1333 if(pwrsave) {
1334 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1335 pwrsave=0;
1336 } else {
1337 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1338 }
1339
1340 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1341 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1342 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1343 device, blknr, c);
1344 #else
1345 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1346 device, (ulong)blknr, c);
1347 #endif
1348 break;
1349 }
1350
1351 input_data (device, buffer, ATA_SECTORWORDS);
1352 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1353
1354 ++n;
1355 ++blknr;
1356 buffer += ATA_BLOCKSIZE;
1357 }
1358 IDE_READ_E:
1359 ide_led (DEVICE_LED(device), 0); /* LED off */
1360 return (n);
1361 }
1362
1363 /* ------------------------------------------------------------------------- */
1364
1365
1366 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1367 {
1368 ulong n = 0;
1369 unsigned char c;
1370 #ifdef CONFIG_LBA48
1371 unsigned char lba48 = 0;
1372
1373 if (blknr & 0x0000fffff0000000) {
1374 /* more than 28 bits used, use 48bit mode */
1375 lba48 = 1;
1376 }
1377 #endif
1378
1379 ide_led (DEVICE_LED(device), 1); /* LED on */
1380
1381 /* Select device
1382 */
1383 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1384
1385 while (blkcnt-- > 0) {
1386
1387 c = ide_wait (device, IDE_TIME_OUT);
1388
1389 if (c & ATA_STAT_BUSY) {
1390 printf ("IDE read: device %d not ready\n", device);
1391 goto WR_OUT;
1392 }
1393 #ifdef CONFIG_LBA48
1394 if (lba48) {
1395 /* write high bits */
1396 ide_outb (device, ATA_SECT_CNT, 0);
1397 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1398 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1399 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1400 }
1401 #endif
1402 ide_outb (device, ATA_SECT_CNT, 1);
1403 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1404 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1405 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1406
1407 #ifdef CONFIG_LBA48
1408 if (lba48) {
1409 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1410 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1411
1412 } else
1413 #endif
1414 {
1415 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1416 ATA_DEVICE(device) |
1417 ((blknr >> 24) & 0xF) );
1418 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1419 }
1420
1421 udelay (50);
1422
1423 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1424
1425 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1426 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1427 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1428 device, blknr, c);
1429 #else
1430 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1431 device, (ulong)blknr, c);
1432 #endif
1433 goto WR_OUT;
1434 }
1435
1436 output_data (device, buffer, ATA_SECTORWORDS);
1437 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1438 ++n;
1439 ++blknr;
1440 buffer += ATA_BLOCKSIZE;
1441 }
1442 WR_OUT:
1443 ide_led (DEVICE_LED(device), 0); /* LED off */
1444 return (n);
1445 }
1446
1447 /* ------------------------------------------------------------------------- */
1448
1449 /*
1450 * copy src to dest, skipping leading and trailing blanks and null
1451 * terminate the string
1452 * "len" is the size of available memory including the terminating '\0'
1453 */
1454 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1455 {
1456 unsigned char *end, *last;
1457
1458 last = dst;
1459 end = src + len - 1;
1460
1461 /* reserve space for '\0' */
1462 if (len < 2)
1463 goto OUT;
1464
1465 /* skip leading white space */
1466 while ((*src) && (src<end) && (*src==' '))
1467 ++src;
1468
1469 /* copy string, omitting trailing white space */
1470 while ((*src) && (src<end)) {
1471 *dst++ = *src;
1472 if (*src++ != ' ')
1473 last = dst;
1474 }
1475 OUT:
1476 *last = '\0';
1477 }
1478
1479 /* ------------------------------------------------------------------------- */
1480
1481 /*
1482 * Wait until Busy bit is off, or timeout (in ms)
1483 * Return last status
1484 */
1485 static uchar ide_wait (int dev, ulong t)
1486 {
1487 ulong delay = 10 * t; /* poll every 100 us */
1488 uchar c;
1489
1490 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1491 udelay (100);
1492 if (delay-- == 0) {
1493 break;
1494 }
1495 }
1496 return (c);
1497 }
1498
1499 /* ------------------------------------------------------------------------- */
1500
1501 #ifdef CONFIG_IDE_RESET
1502 extern void ide_set_reset(int idereset);
1503
1504 static void ide_reset (void)
1505 {
1506 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1507 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1508 #endif
1509 int i;
1510
1511 curr_device = -1;
1512 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1513 ide_bus_ok[i] = 0;
1514 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1515 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1516
1517 ide_set_reset (1); /* assert reset */
1518
1519 WATCHDOG_RESET();
1520
1521 #ifdef CFG_PB_12V_ENABLE
1522 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1523 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1524 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1525 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1526
1527 /* wait 500 ms for the voltage to stabilize
1528 */
1529 for (i=0; i<500; ++i) {
1530 udelay (1000);
1531 }
1532
1533 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1534 #endif /* CFG_PB_12V_ENABLE */
1535
1536 #ifdef CFG_PB_IDE_MOTOR
1537 /* configure IDE Motor voltage monitor pin as input */
1538 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1539 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1540 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1541
1542 /* wait up to 1 s for the motor voltage to stabilize
1543 */
1544 for (i=0; i<1000; ++i) {
1545 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1546 break;
1547 }
1548 udelay (1000);
1549 }
1550
1551 if (i == 1000) { /* Timeout */
1552 printf ("\nWarning: 5V for IDE Motor missing\n");
1553 # ifdef CONFIG_STATUS_LED
1554 # ifdef STATUS_LED_YELLOW
1555 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1556 # endif
1557 # ifdef STATUS_LED_GREEN
1558 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1559 # endif
1560 # endif /* CONFIG_STATUS_LED */
1561 }
1562 #endif /* CFG_PB_IDE_MOTOR */
1563
1564 WATCHDOG_RESET();
1565
1566 /* de-assert RESET signal */
1567 ide_set_reset(0);
1568
1569 /* wait 250 ms */
1570 for (i=0; i<250; ++i) {
1571 udelay (1000);
1572 }
1573 }
1574
1575 #endif /* CONFIG_IDE_RESET */
1576
1577 /* ------------------------------------------------------------------------- */
1578
1579 #if defined(CONFIG_IDE_LED) && \
1580 !defined(CONFIG_AMIGAONEG3SE)&& \
1581 !defined(CONFIG_CPC45) && \
1582 !defined(CONFIG_HMI10) && \
1583 !defined(CONFIG_KUP4K) && \
1584 !defined(CONFIG_KUP4X)
1585
1586 static uchar led_buffer = 0; /* Buffer for current LED status */
1587
1588 static void ide_led (uchar led, uchar status)
1589 {
1590 uchar *led_port = LED_PORT;
1591
1592 if (status) { /* switch LED on */
1593 led_buffer |= led;
1594 } else { /* switch LED off */
1595 led_buffer &= ~led;
1596 }
1597
1598 *led_port = led_buffer;
1599 }
1600
1601 #endif /* CONFIG_IDE_LED */
1602
1603 /* ------------------------------------------------------------------------- */
1604
1605 #ifdef CONFIG_ATAPI
1606 /****************************************************************************
1607 * ATAPI Support
1608 */
1609
1610 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1611 /* since ATAPI may use commands with not 4 bytes alligned length
1612 * we have our own transfer functions, 2 bytes alligned */
1613 static void
1614 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1615 {
1616 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1617 uchar *dbuf;
1618 volatile uchar *pbuf_even;
1619 volatile uchar *pbuf_odd;
1620
1621 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1622 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1623 while (shorts--) {
1624 EIEIO;
1625 *pbuf_even = *dbuf++;
1626 EIEIO;
1627 *pbuf_odd = *dbuf++;
1628 }
1629 #else
1630 ushort *dbuf;
1631 volatile ushort *pbuf;
1632
1633 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1634 dbuf = (ushort *)sect_buf;
1635
1636 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1637
1638 while (shorts--) {
1639 EIEIO;
1640 *pbuf = *dbuf++;
1641 }
1642 #endif
1643 }
1644
1645 static void
1646 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1647 {
1648 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1649 uchar *dbuf;
1650 volatile uchar *pbuf_even;
1651 volatile uchar *pbuf_odd;
1652
1653 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1654 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1655 while (shorts--) {
1656 EIEIO;
1657 *dbuf++ = *pbuf_even;
1658 EIEIO;
1659 *dbuf++ = *pbuf_odd;
1660 }
1661 #else
1662 ushort *dbuf;
1663 volatile ushort *pbuf;
1664
1665 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1666 dbuf = (ushort *)sect_buf;
1667
1668 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1669
1670 while (shorts--) {
1671 EIEIO;
1672 *dbuf++ = *pbuf;
1673 }
1674 #endif
1675 }
1676
1677 #else /* ! __PPC__ */
1678 static void
1679 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1680 {
1681 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1682 }
1683
1684 static void
1685 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1686 {
1687 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1688 }
1689
1690 #endif /* __PPC__ */
1691
1692 /*
1693 * Wait until (Status & mask) == res, or timeout (in ms)
1694 * Return last status
1695 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1696 * and then they set their DRQ Bit
1697 */
1698 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1699 {
1700 ulong delay = 10 * t; /* poll every 100 us */
1701 uchar c;
1702
1703 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1704 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1705 /* break if error occurs (doesn't make sense to wait more) */
1706 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1707 break;
1708 udelay (100);
1709 if (delay-- == 0) {
1710 break;
1711 }
1712 }
1713 return (c);
1714 }
1715
1716 /*
1717 * issue an atapi command
1718 */
1719 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1720 {
1721 unsigned char c,err,mask,res;
1722 int n;
1723 ide_led (DEVICE_LED(device), 1); /* LED on */
1724
1725 /* Select device
1726 */
1727 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1728 res = 0;
1729 #ifdef CONFIG_AMIGAONEG3SE
1730 # warning THF: Removed LBA mode ???
1731 #endif
1732 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1733 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1734 if ((c & mask) != res) {
1735 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1736 err=0xFF;
1737 goto AI_OUT;
1738 }
1739 /* write taskfile */
1740 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1741 ide_outb (device, ATA_SECT_CNT, 0);
1742 ide_outb (device, ATA_SECT_NUM, 0);
1743 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1744 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1745 #ifdef CONFIG_AMIGAONEG3SE
1746 # warning THF: Removed LBA mode ???
1747 #endif
1748 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1749
1750 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1751 udelay (50);
1752
1753 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1754 res = ATA_STAT_DRQ;
1755 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1756
1757 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1758 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1759 err=0xFF;
1760 goto AI_OUT;
1761 }
1762
1763 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1764 /* ATAPI Command written wait for completition */
1765 udelay (5000); /* device must set bsy */
1766
1767 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1768 /* if no data wait for DRQ = 0 BSY = 0
1769 * if data wait for DRQ = 1 BSY = 0 */
1770 res=0;
1771 if(buflen)
1772 res = ATA_STAT_DRQ;
1773 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1774 if ((c & mask) != res ) {
1775 if (c & ATA_STAT_ERR) {
1776 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1777 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1778 } else {
1779 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1780 err=0xFF;
1781 }
1782 goto AI_OUT;
1783 }
1784 n=ide_inb(device, ATA_CYL_HIGH);
1785 n<<=8;
1786 n+=ide_inb(device, ATA_CYL_LOW);
1787 if(n>buflen) {
1788 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1789 err=0xff;
1790 goto AI_OUT;
1791 }
1792 if((n==0)&&(buflen<0)) {
1793 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1794 err=0xff;
1795 goto AI_OUT;
1796 }
1797 if(n!=buflen) {
1798 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1799 }
1800 if(n!=0) { /* data transfer */
1801 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1802 /* we transfer shorts */
1803 n>>=1;
1804 /* ok now decide if it is an in or output */
1805 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1806 debug ("Write to device\n");
1807 output_data_shorts(device,(unsigned short *)buffer,n);
1808 } else {
1809 debug ("Read from device @ %p shorts %d\n",buffer,n);
1810 input_data_shorts(device,(unsigned short *)buffer,n);
1811 }
1812 }
1813 udelay(5000); /* seems that some CD ROMs need this... */
1814 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1815 res=0;
1816 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1817 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1818 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1819 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1820 } else {
1821 err = 0;
1822 }
1823 AI_OUT:
1824 ide_led (DEVICE_LED(device), 0); /* LED off */
1825 return (err);
1826 }
1827
1828 /*
1829 * sending the command to atapi_issue. If an status other than good
1830 * returns, an request_sense will be issued
1831 */
1832
1833 #define ATAPI_DRIVE_NOT_READY 100
1834 #define ATAPI_UNIT_ATTN 10
1835
1836 unsigned char atapi_issue_autoreq (int device,
1837 unsigned char* ccb,
1838 int ccblen,
1839 unsigned char *buffer,
1840 int buflen)
1841 {
1842 unsigned char sense_data[18],sense_ccb[12];
1843 unsigned char res,key,asc,ascq;
1844 int notready,unitattn;
1845
1846 #ifdef CONFIG_AMIGAONEG3SE
1847 char *s;
1848 unsigned int timeout, retrycnt;
1849
1850 s = getenv("ide_cd_timeout");
1851 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1852
1853 retrycnt = 0;
1854 #endif
1855
1856 unitattn=ATAPI_UNIT_ATTN;
1857 notready=ATAPI_DRIVE_NOT_READY;
1858
1859 retry:
1860 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1861 if (res==0)
1862 return (0); /* Ok */
1863
1864 if (res==0xFF)
1865 return (0xFF); /* error */
1866
1867 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1868
1869 memset(sense_ccb,0,sizeof(sense_ccb));
1870 memset(sense_data,0,sizeof(sense_data));
1871 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1872 sense_ccb[4]=18; /* allocation Length */
1873
1874 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1875 key=(sense_data[2]&0xF);
1876 asc=(sense_data[12]);
1877 ascq=(sense_data[13]);
1878
1879 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1880 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1881 sense_data[0],
1882 key,
1883 asc,
1884 ascq);
1885
1886 if((key==0))
1887 return 0; /* ok device ready */
1888
1889 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1890 if(unitattn-->0) {
1891 udelay(200*1000);
1892 goto retry;
1893 }
1894 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1895 goto error;
1896 }
1897 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1898 if (notready-->0) {
1899 udelay(200*1000);
1900 goto retry;
1901 }
1902 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1903 goto error;
1904 }
1905 if(asc==0x3a) {
1906 debug ("Media not present\n");
1907 goto error;
1908 }
1909
1910 #ifdef CONFIG_AMIGAONEG3SE
1911 if ((sense_data[2]&0xF)==0x0B) {
1912 debug ("ABORTED COMMAND...retry\n");
1913 if (retrycnt++ < 4)
1914 goto retry;
1915 return (0xFF);
1916 }
1917
1918 if ((sense_data[2]&0xf) == 0x02 &&
1919 sense_data[12] == 0x04 &&
1920 sense_data[13] == 0x01 ) {
1921 debug ("Waiting for unit to become active\n");
1922 udelay(timeout);
1923 if (retrycnt++ < 4)
1924 goto retry;
1925 return 0xFF;
1926 }
1927 #endif /* CONFIG_AMIGAONEG3SE */
1928
1929 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1930 error:
1931 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1932 return (0xFF);
1933 }
1934
1935
1936 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1937 {
1938 unsigned char ccb[12]; /* Command descriptor block */
1939 unsigned char iobuf[64]; /* temp buf */
1940 unsigned char c;
1941 int device;
1942
1943 device=dev_desc->dev;
1944 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1945 dev_desc->block_read=atapi_read;
1946
1947 memset(ccb,0,sizeof(ccb));
1948 memset(iobuf,0,sizeof(iobuf));
1949
1950 ccb[0]=ATAPI_CMD_INQUIRY;
1951 ccb[4]=40; /* allocation Legnth */
1952 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1953
1954 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1955 if (c!=0)
1956 return;
1957
1958 /* copy device ident strings */
1959 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1960 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1961 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1962
1963 dev_desc->lun=0;
1964 dev_desc->lba=0;
1965 dev_desc->blksz=0;
1966 dev_desc->type=iobuf[0] & 0x1f;
1967
1968 if ((iobuf[1]&0x80)==0x80)
1969 dev_desc->removable = 1;
1970 else
1971 dev_desc->removable = 0;
1972
1973 memset(ccb,0,sizeof(ccb));
1974 memset(iobuf,0,sizeof(iobuf));
1975 ccb[0]=ATAPI_CMD_START_STOP;
1976 ccb[4]=0x03; /* start */
1977
1978 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1979
1980 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1981 if (c!=0)
1982 return;
1983
1984 memset(ccb,0,sizeof(ccb));
1985 memset(iobuf,0,sizeof(iobuf));
1986 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1987
1988 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1989 if (c!=0)
1990 return;
1991
1992 memset(ccb,0,sizeof(ccb));
1993 memset(iobuf,0,sizeof(iobuf));
1994 ccb[0]=ATAPI_CMD_READ_CAP;
1995 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1996 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1997 if (c!=0)
1998 return;
1999
2000 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2001 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2002 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2003
2004 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2005 ((unsigned long)iobuf[1]<<16) +
2006 ((unsigned long)iobuf[2]<< 8) +
2007 ((unsigned long)iobuf[3]);
2008 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2009 ((unsigned long)iobuf[5]<<16) +
2010 ((unsigned long)iobuf[6]<< 8) +
2011 ((unsigned long)iobuf[7]);
2012 #ifdef CONFIG_LBA48
2013 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2014 #endif
2015 return;
2016 }
2017
2018
2019 /*
2020 * atapi_read:
2021 * we transfer only one block per command, since the multiple DRQ per
2022 * command is not yet implemented
2023 */
2024 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2025 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2026 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2027
2028 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2029 {
2030 ulong n = 0;
2031 unsigned char ccb[12]; /* Command descriptor block */
2032 ulong cnt;
2033
2034 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2035 device, blknr, blkcnt, (ulong)buffer);
2036
2037 do {
2038 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2039 cnt=ATAPI_READ_MAX_BLOCK;
2040 } else {
2041 cnt=blkcnt;
2042 }
2043 ccb[0]=ATAPI_CMD_READ_12;
2044 ccb[1]=0; /* reserved */
2045 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2046 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2047 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2048 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2049 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2050 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2051 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2052 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2053 ccb[10]=0; /* reserved */
2054 ccb[11]=0; /* reserved */
2055
2056 if (atapi_issue_autoreq(device,ccb,12,
2057 (unsigned char *)buffer,
2058 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2059 return (n);
2060 }
2061 n+=cnt;
2062 blkcnt-=cnt;
2063 blknr+=cnt;
2064 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2065 } while (blkcnt > 0);
2066 return (n);
2067 }
2068
2069 /* ------------------------------------------------------------------------- */
2070
2071 #endif /* CONFIG_ATAPI */
2072
2073 U_BOOT_CMD(
2074 ide, 5, 1, do_ide,
2075 "ide - IDE sub-system\n",
2076 "reset - reset IDE controller\n"
2077 "ide info - show available IDE devices\n"
2078 "ide device [dev] - show or set current device\n"
2079 "ide part [dev] - print partition table of one or all IDE devices\n"
2080 "ide read addr blk# cnt\n"
2081 "ide write addr blk# cnt - read/write `cnt'"
2082 " blocks starting at block `blk#'\n"
2083 " to/from memory address `addr'\n"
2084 );
2085
2086 U_BOOT_CMD(
2087 diskboot, 3, 1, do_diskboot,
2088 "diskboot- boot from IDE device\n",
2089 "loadAddr dev:part\n"
2090 );
"Das U-Boot" Source Tree