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Merge with git://git.kernel.org/pub/scm/boot/u-boot/galak/u-boot.git#mpc8349emds
[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 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
35 # include <pcmcia.h>
36 #endif
37 #ifdef CONFIG_8xx
38 # include <mpc8xx.h>
39 #endif
40 #ifdef CONFIG_MPC5xxx
41 #include <mpc5xxx.h>
42 #endif
43 #include <ide.h>
44 #include <ata.h>
45 #ifdef CONFIG_STATUS_LED
46 # include <status_led.h>
47 #endif
48 #ifndef __PPC__
49 #include <asm/io.h>
50 #ifdef __MIPS__
51 /* Macros depend on this variable */
52 unsigned long mips_io_port_base = 0;
53 #endif
54 #endif
55
56 #ifdef CONFIG_SHOW_BOOT_PROGRESS
57 # include <status_led.h>
58 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
59 #else
60 # define SHOW_BOOT_PROGRESS(arg)
61 #endif
62
63 #ifdef CONFIG_IDE_8xx_DIRECT
64 DECLARE_GLOBAL_DATA_PTR;
65 #endif
66
67 #ifdef __PPC__
68 # define EIEIO __asm__ volatile ("eieio")
69 # define SYNC __asm__ volatile ("sync")
70 #else
71 # define EIEIO /* nothing */
72 # define SYNC /* nothing */
73 #endif
74
75 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
76
77 #ifdef CONFIG_IDE_8xx_DIRECT
78 /* Timings for IDE Interface
79 *
80 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
81 * 70 165 30 PIO-Mode 0, [ns]
82 * 4 9 2 [Cycles]
83 * 50 125 20 PIO-Mode 1, [ns]
84 * 3 7 2 [Cycles]
85 * 30 100 15 PIO-Mode 2, [ns]
86 * 2 6 1 [Cycles]
87 * 30 80 10 PIO-Mode 3, [ns]
88 * 2 5 1 [Cycles]
89 * 25 70 10 PIO-Mode 4, [ns]
90 * 2 4 1 [Cycles]
91 */
92
93 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
94 {
95 /* Setup Length Hold */
96 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
97 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
98 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
99 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
100 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
101 };
102
103 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
104
105 #ifndef CFG_PIO_MODE
106 #define CFG_PIO_MODE 0 /* use a relaxed default */
107 #endif
108 static int pio_mode = CFG_PIO_MODE;
109
110 /* Make clock cycles and always round up */
111
112 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
113
114 #endif /* CONFIG_IDE_8xx_DIRECT */
115
116 /* ------------------------------------------------------------------------- */
117
118 /* Current I/O Device */
119 static int curr_device = -1;
120
121 /* Current offset for IDE0 / IDE1 bus access */
122 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
123 #if defined(CFG_ATA_IDE0_OFFSET)
124 CFG_ATA_IDE0_OFFSET,
125 #endif
126 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
127 CFG_ATA_IDE1_OFFSET,
128 #endif
129 };
130
131
132 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
133
134 #ifndef CONFIG_AMIGAONEG3SE
135 static int ide_bus_ok[CFG_IDE_MAXBUS];
136 #else
137 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
138 #endif
139
140 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
141 /* ------------------------------------------------------------------------- */
142
143 #ifdef CONFIG_IDE_LED
144 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
145 static void ide_led (uchar led, uchar status);
146 #else
147 extern void ide_led (uchar led, uchar status);
148 #endif
149 #else
150 #ifndef CONFIG_AMIGAONEG3SE
151 #define ide_led(a,b) /* dummy */
152 #else
153 extern void ide_led(uchar led, uchar status);
154 #define LED_IDE1 1
155 #define LED_IDE2 2
156 #define CONFIG_IDE_LED 1
157 #define DEVICE_LED(x) 1
158 #endif
159 #endif
160
161 #ifdef CONFIG_IDE_RESET
162 static void ide_reset (void);
163 #else
164 #define ide_reset() /* dummy */
165 #endif
166
167 static void ide_ident (block_dev_desc_t *dev_desc);
168 static uchar ide_wait (int dev, ulong t);
169
170 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
171
172 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
173
174 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
175
176 static void __inline__ ide_outb(int dev, int port, unsigned char val);
177 static unsigned char __inline__ ide_inb(int dev, int port);
178 static void input_data(int dev, ulong *sect_buf, int words);
179 static void output_data(int dev, ulong *sect_buf, int words);
180 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
181
182
183 #ifdef CONFIG_ATAPI
184 static void atapi_inquiry(block_dev_desc_t *dev_desc);
185 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
186 #endif
187
188
189 #ifdef CONFIG_IDE_8xx_DIRECT
190 static void set_pcmcia_timing (int pmode);
191 #endif
192
193 /* ------------------------------------------------------------------------- */
194
195 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
196 {
197 int rcode = 0;
198
199 switch (argc) {
200 case 0:
201 case 1:
202 printf ("Usage:\n%s\n", cmdtp->usage);
203 return 1;
204 case 2:
205 if (strncmp(argv[1],"res",3) == 0) {
206 puts ("\nReset IDE"
207 #ifdef CONFIG_IDE_8xx_DIRECT
208 " on PCMCIA " PCMCIA_SLOT_MSG
209 #endif
210 ": ");
211
212 ide_init ();
213 return 0;
214 } else if (strncmp(argv[1],"inf",3) == 0) {
215 int i;
216
217 putc ('\n');
218
219 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
220 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
221 continue; /* list only known devices */
222 printf ("IDE device %d: ", i);
223 dev_print(&ide_dev_desc[i]);
224 }
225 return 0;
226
227 } else if (strncmp(argv[1],"dev",3) == 0) {
228 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
229 puts ("\nno IDE devices available\n");
230 return 1;
231 }
232 printf ("\nIDE device %d: ", curr_device);
233 dev_print(&ide_dev_desc[curr_device]);
234 return 0;
235 } else if (strncmp(argv[1],"part",4) == 0) {
236 int dev, ok;
237
238 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
239 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
240 ++ok;
241 if (dev)
242 putc ('\n');
243 print_part(&ide_dev_desc[dev]);
244 }
245 }
246 if (!ok) {
247 puts ("\nno IDE devices available\n");
248 rcode ++;
249 }
250 return rcode;
251 }
252 printf ("Usage:\n%s\n", cmdtp->usage);
253 return 1;
254 case 3:
255 if (strncmp(argv[1],"dev",3) == 0) {
256 int dev = (int)simple_strtoul(argv[2], NULL, 10);
257
258 printf ("\nIDE device %d: ", dev);
259 if (dev >= CFG_IDE_MAXDEVICE) {
260 puts ("unknown device\n");
261 return 1;
262 }
263 dev_print(&ide_dev_desc[dev]);
264 /*ide_print (dev);*/
265
266 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
267 return 1;
268 }
269
270 curr_device = dev;
271
272 puts ("... is now current device\n");
273
274 return 0;
275 } else if (strncmp(argv[1],"part",4) == 0) {
276 int dev = (int)simple_strtoul(argv[2], NULL, 10);
277
278 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
279 print_part(&ide_dev_desc[dev]);
280 } else {
281 printf ("\nIDE device %d not available\n", dev);
282 rcode = 1;
283 }
284 return rcode;
285 #if 0
286 } else if (strncmp(argv[1],"pio",4) == 0) {
287 int mode = (int)simple_strtoul(argv[2], NULL, 10);
288
289 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
290 puts ("\nSetting ");
291 pio_mode = mode;
292 ide_init ();
293 } else {
294 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
295 mode, IDE_MAX_PIO_MODE);
296 }
297 return;
298 #endif
299 }
300
301 printf ("Usage:\n%s\n", cmdtp->usage);
302 return 1;
303 default:
304 /* at least 4 args */
305
306 if (strcmp(argv[1],"read") == 0) {
307 ulong addr = simple_strtoul(argv[2], NULL, 16);
308 ulong cnt = simple_strtoul(argv[4], NULL, 16);
309 ulong n;
310 #ifdef CFG_64BIT_STRTOUL
311 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
312
313 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
314 curr_device, blk, cnt);
315 #else
316 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
317
318 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
319 curr_device, blk, cnt);
320 #endif
321
322 n = ide_dev_desc[curr_device].block_read (curr_device,
323 blk, cnt,
324 (ulong *)addr);
325 /* flush cache after read */
326 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
327
328 printf ("%ld blocks read: %s\n",
329 n, (n==cnt) ? "OK" : "ERROR");
330 if (n==cnt) {
331 return 0;
332 } else {
333 return 1;
334 }
335 } else if (strcmp(argv[1],"write") == 0) {
336 ulong addr = simple_strtoul(argv[2], NULL, 16);
337 ulong cnt = simple_strtoul(argv[4], NULL, 16);
338 ulong n;
339 #ifdef CFG_64BIT_STRTOUL
340 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
341
342 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
343 curr_device, blk, cnt);
344 #else
345 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
346
347 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
348 curr_device, blk, cnt);
349 #endif
350
351 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
352
353 printf ("%ld blocks written: %s\n",
354 n, (n==cnt) ? "OK" : "ERROR");
355 if (n==cnt) {
356 return 0;
357 } else {
358 return 1;
359 }
360 } else {
361 printf ("Usage:\n%s\n", cmdtp->usage);
362 rcode = 1;
363 }
364
365 return rcode;
366 }
367 }
368
369 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
370 {
371 char *boot_device = NULL;
372 char *ep;
373 int dev, part = 0;
374 ulong addr, cnt, checksum;
375 disk_partition_t info;
376 image_header_t *hdr;
377 int rcode = 0;
378
379 switch (argc) {
380 case 1:
381 addr = CFG_LOAD_ADDR;
382 boot_device = getenv ("bootdevice");
383 break;
384 case 2:
385 addr = simple_strtoul(argv[1], NULL, 16);
386 boot_device = getenv ("bootdevice");
387 break;
388 case 3:
389 addr = simple_strtoul(argv[1], NULL, 16);
390 boot_device = argv[2];
391 break;
392 default:
393 printf ("Usage:\n%s\n", cmdtp->usage);
394 SHOW_BOOT_PROGRESS (-1);
395 return 1;
396 }
397
398 if (!boot_device) {
399 puts ("\n** No boot device **\n");
400 SHOW_BOOT_PROGRESS (-1);
401 return 1;
402 }
403
404 dev = simple_strtoul(boot_device, &ep, 16);
405
406 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
407 printf ("\n** Device %d not available\n", dev);
408 SHOW_BOOT_PROGRESS (-1);
409 return 1;
410 }
411
412 if (*ep) {
413 if (*ep != ':') {
414 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
415 SHOW_BOOT_PROGRESS (-1);
416 return 1;
417 }
418 part = simple_strtoul(++ep, NULL, 16);
419 }
420 if (get_partition_info (ide_dev_desc, part, &info)) {
421 SHOW_BOOT_PROGRESS (-1);
422 return 1;
423 }
424 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
425 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
426 printf ("\n** Invalid partition type \"%.32s\""
427 " (expect \"" BOOT_PART_TYPE "\")\n",
428 info.type);
429 SHOW_BOOT_PROGRESS (-1);
430 return 1;
431 }
432
433 printf ("\nLoading from IDE device %d, partition %d: "
434 "Name: %.32s Type: %.32s\n",
435 dev, part, info.name, info.type);
436
437 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
438 info.start, info.size, info.blksz);
439
440 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
441 printf ("** Read error on %d:%d\n", dev, part);
442 SHOW_BOOT_PROGRESS (-1);
443 return 1;
444 }
445
446 hdr = (image_header_t *)addr;
447
448 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
449 printf("\n** Bad Magic Number **\n");
450 SHOW_BOOT_PROGRESS (-1);
451 return 1;
452 }
453
454 checksum = ntohl(hdr->ih_hcrc);
455 hdr->ih_hcrc = 0;
456
457 if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
458 puts ("\n** Bad Header Checksum **\n");
459 SHOW_BOOT_PROGRESS (-2);
460 return 1;
461 }
462 hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */
463
464 print_image_hdr (hdr);
465
466 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
467 cnt += info.blksz - 1;
468 cnt /= info.blksz;
469 cnt -= 1;
470
471 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
472 (ulong *)(addr+info.blksz)) != cnt) {
473 printf ("** Read error on %d:%d\n", dev, part);
474 SHOW_BOOT_PROGRESS (-1);
475 return 1;
476 }
477
478
479 /* Loading ok, update default load address */
480
481 load_addr = addr;
482
483 /* Check if we should attempt an auto-start */
484 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
485 char *local_args[2];
486 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
487
488 local_args[0] = argv[0];
489 local_args[1] = NULL;
490
491 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
492
493 do_bootm (cmdtp, 0, 1, local_args);
494 rcode = 1;
495 }
496 return rcode;
497 }
498
499 /* ------------------------------------------------------------------------- */
500
501 void ide_init (void)
502 {
503
504 #ifdef CONFIG_IDE_8xx_DIRECT
505 volatile immap_t *immr = (immap_t *)CFG_IMMR;
506 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
507 #endif
508 unsigned char c;
509 int i, bus;
510 #ifdef CONFIG_AMIGAONEG3SE
511 unsigned int max_bus_scan;
512 unsigned int ata_reset_time;
513 char *s;
514 #endif
515 #ifdef CONFIG_IDE_8xx_PCCARD
516 extern int pcmcia_on (void);
517 extern int ide_devices_found; /* Initialized in check_ide_device() */
518 #endif /* CONFIG_IDE_8xx_PCCARD */
519
520 #ifdef CONFIG_IDE_PREINIT
521 extern int ide_preinit (void);
522 WATCHDOG_RESET();
523
524 if (ide_preinit ()) {
525 puts ("ide_preinit failed\n");
526 return;
527 }
528 #endif /* CONFIG_IDE_PREINIT */
529
530 #ifdef CONFIG_IDE_8xx_PCCARD
531 extern int pcmcia_on (void);
532 extern int ide_devices_found; /* Initialized in check_ide_device() */
533
534 WATCHDOG_RESET();
535
536 ide_devices_found = 0;
537 /* initialize the PCMCIA IDE adapter card */
538 pcmcia_on();
539 if (!ide_devices_found)
540 return;
541 udelay (1000000); /* 1 s */
542 #endif /* CONFIG_IDE_8xx_PCCARD */
543
544 WATCHDOG_RESET();
545
546 #ifdef CONFIG_IDE_8xx_DIRECT
547 /* Initialize PIO timing tables */
548 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
549 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
550 gd->bus_clk);
551 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
552 gd->bus_clk);
553 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
554 gd->bus_clk);
555 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
556 " len=%3d ns/%d clk"
557 " hold=%2d ns/%d clk\n",
558 i,
559 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
560 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
561 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
562 }
563 #endif /* CONFIG_IDE_8xx_DIRECT */
564
565 /* Reset the IDE just to be sure.
566 * Light LED's to show
567 */
568 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
569 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
570
571 #ifdef CONFIG_IDE_8xx_DIRECT
572 /* PCMCIA / IDE initialization for common mem space */
573 pcmp->pcmc_pgcrb = 0;
574
575 /* start in PIO mode 0 - most relaxed timings */
576 pio_mode = 0;
577 set_pcmcia_timing (pio_mode);
578 #endif /* CONFIG_IDE_8xx_DIRECT */
579
580 /*
581 * Wait for IDE to get ready.
582 * According to spec, this can take up to 31 seconds!
583 */
584 #ifndef CONFIG_AMIGAONEG3SE
585 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
586 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
587 #else
588 s = getenv("ide_maxbus");
589 if (s)
590 max_bus_scan = simple_strtol(s, NULL, 10);
591 else
592 max_bus_scan = CFG_IDE_MAXBUS;
593
594 for (bus=0; bus<max_bus_scan; ++bus) {
595 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
596 #endif
597
598 #ifdef CONFIG_IDE_8xx_PCCARD
599 /* Skip non-ide devices from probing */
600 if ((ide_devices_found & (1 << bus)) == 0) {
601 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
602 continue;
603 }
604 #endif
605 printf ("Bus %d: ", bus);
606
607 ide_bus_ok[bus] = 0;
608
609 /* Select device
610 */
611 udelay (100000); /* 100 ms */
612 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
613 udelay (100000); /* 100 ms */
614 #ifdef CONFIG_AMIGAONEG3SE
615 ata_reset_time = ATA_RESET_TIME;
616 s = getenv("ide_reset_timeout");
617 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
618 #endif
619 i = 0;
620 do {
621 udelay (10000); /* 10 ms */
622
623 c = ide_inb (dev, ATA_STATUS);
624 i++;
625 #ifdef CONFIG_AMIGAONEG3SE
626 if (i > (ata_reset_time * 100)) {
627 #else
628 if (i > (ATA_RESET_TIME * 100)) {
629 #endif
630 puts ("** Timeout **\n");
631 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
632 #ifdef CONFIG_AMIGAONEG3SE
633 /* If this is the second bus, the first one was OK */
634 if (bus != 0) {
635 ide_bus_ok[bus] = 0;
636 goto skip_bus;
637 }
638 #endif
639 return;
640 }
641 if ((i >= 100) && ((i%100)==0)) {
642 putc ('.');
643 }
644 } while (c & ATA_STAT_BUSY);
645
646 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
647 puts ("not available ");
648 debug ("Status = 0x%02X ", c);
649 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
650 } else if ((c & ATA_STAT_READY) == 0) {
651 puts ("not available ");
652 debug ("Status = 0x%02X ", c);
653 #endif
654 } else {
655 puts ("OK ");
656 ide_bus_ok[bus] = 1;
657 }
658 WATCHDOG_RESET();
659 }
660
661 #ifdef CONFIG_AMIGAONEG3SE
662 skip_bus:
663 #endif
664 putc ('\n');
665
666 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
667
668 curr_device = -1;
669 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
670 #ifdef CONFIG_IDE_LED
671 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
672 #endif
673 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
674 ide_dev_desc[i].if_type=IF_TYPE_IDE;
675 ide_dev_desc[i].dev=i;
676 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
677 ide_dev_desc[i].blksz=0;
678 ide_dev_desc[i].lba=0;
679 ide_dev_desc[i].block_read=ide_read;
680 if (!ide_bus_ok[IDE_BUS(i)])
681 continue;
682 ide_led (led, 1); /* LED on */
683 ide_ident(&ide_dev_desc[i]);
684 ide_led (led, 0); /* LED off */
685 dev_print(&ide_dev_desc[i]);
686 /* ide_print (i); */
687 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
688 init_part (&ide_dev_desc[i]); /* initialize partition type */
689 if (curr_device < 0)
690 curr_device = i;
691 }
692 }
693 WATCHDOG_RESET();
694 }
695
696 /* ------------------------------------------------------------------------- */
697
698 block_dev_desc_t * ide_get_dev(int dev)
699 {
700 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
701 }
702
703
704 #ifdef CONFIG_IDE_8xx_DIRECT
705
706 static void
707 set_pcmcia_timing (int pmode)
708 {
709 volatile immap_t *immr = (immap_t *)CFG_IMMR;
710 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
711 ulong timings;
712
713 debug ("Set timing for PIO Mode %d\n", pmode);
714
715 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
716 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
717 | PCMCIA_SL (pio_config_clk[pmode].t_length)
718 ;
719
720 /* IDE 0
721 */
722 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
723 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
724 #if (CFG_PCMCIA_POR0 != 0)
725 | timings
726 #endif
727 ;
728 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
729
730 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
731 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
732 #if (CFG_PCMCIA_POR1 != 0)
733 | timings
734 #endif
735 ;
736 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
737
738 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
739 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
740 #if (CFG_PCMCIA_POR2 != 0)
741 | timings
742 #endif
743 ;
744 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
745
746 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
747 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
748 #if (CFG_PCMCIA_POR3 != 0)
749 | timings
750 #endif
751 ;
752 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
753
754 /* IDE 1
755 */
756 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
757 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
758 #if (CFG_PCMCIA_POR4 != 0)
759 | timings
760 #endif
761 ;
762 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
763
764 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
765 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
766 #if (CFG_PCMCIA_POR5 != 0)
767 | timings
768 #endif
769 ;
770 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
771
772 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
773 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
774 #if (CFG_PCMCIA_POR6 != 0)
775 | timings
776 #endif
777 ;
778 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
779
780 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
781 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
782 #if (CFG_PCMCIA_POR7 != 0)
783 | timings
784 #endif
785 ;
786 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
787
788 }
789
790 #endif /* CONFIG_IDE_8xx_DIRECT */
791
792 /* ------------------------------------------------------------------------- */
793
794 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
795 static void __inline__
796 ide_outb(int dev, int port, unsigned char val)
797 {
798 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
799 dev, port, val, (ATA_CURR_BASE(dev)+port));
800
801 /* Ensure I/O operations complete */
802 EIEIO;
803 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
804 }
805 #else /* ! __PPC__ */
806 static void __inline__
807 ide_outb(int dev, int port, unsigned char val)
808 {
809 outb(val, ATA_CURR_BASE(dev)+port);
810 }
811 #endif /* __PPC__ */
812
813
814 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
815 static unsigned char __inline__
816 ide_inb(int dev, int port)
817 {
818 uchar val;
819 /* Ensure I/O operations complete */
820 EIEIO;
821 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
822 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
823 dev, port, (ATA_CURR_BASE(dev)+port), val);
824 return (val);
825 }
826 #else /* ! __PPC__ */
827 static unsigned char __inline__
828 ide_inb(int dev, int port)
829 {
830 return inb(ATA_CURR_BASE(dev)+port);
831 }
832 #endif /* __PPC__ */
833
834 #ifdef __PPC__
835 # ifdef CONFIG_AMIGAONEG3SE
836 static void
837 output_data_short(int dev, ulong *sect_buf, int words)
838 {
839 ushort *dbuf;
840 volatile ushort *pbuf;
841
842 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
843 dbuf = (ushort *)sect_buf;
844 while (words--) {
845 EIEIO;
846 *pbuf = *dbuf++;
847 EIEIO;
848 }
849
850 if (words&1)
851 *pbuf = 0;
852 }
853 # endif /* CONFIG_AMIGAONEG3SE */
854 #endif /* __PPC_ */
855
856 /* We only need to swap data if we are running on a big endian cpu. */
857 /* But Au1x00 cpu:s already swaps data in big endian mode! */
858 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
859 #define input_swap_data(x,y,z) input_data(x,y,z)
860 #else
861 static void
862 input_swap_data(int dev, ulong *sect_buf, int words)
863 {
864 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
865 uchar i;
866 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
867 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
868 ushort *dbuf = (ushort *)sect_buf;
869
870 while (words--) {
871 for (i=0; i<2; i++) {
872 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
873 *(uchar *)dbuf = *pbuf_odd;
874 dbuf+=1;
875 }
876 }
877 #else
878 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
879 ushort *dbuf = (ushort *)sect_buf;
880
881 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
882
883 while (words--) {
884 *dbuf++ = ld_le16(pbuf);
885 *dbuf++ = ld_le16(pbuf);
886 }
887 #endif
888 }
889 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
890
891
892 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
893 static void
894 output_data(int dev, ulong *sect_buf, int words)
895 {
896 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
897 uchar *dbuf;
898 volatile uchar *pbuf_even;
899 volatile uchar *pbuf_odd;
900
901 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
902 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
903 dbuf = (uchar *)sect_buf;
904 while (words--) {
905 EIEIO;
906 *pbuf_even = *dbuf++;
907 EIEIO;
908 *pbuf_odd = *dbuf++;
909 EIEIO;
910 *pbuf_even = *dbuf++;
911 EIEIO;
912 *pbuf_odd = *dbuf++;
913 }
914 #else
915 ushort *dbuf;
916 volatile ushort *pbuf;
917
918 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
919 dbuf = (ushort *)sect_buf;
920 while (words--) {
921 EIEIO;
922 *pbuf = *dbuf++;
923 EIEIO;
924 *pbuf = *dbuf++;
925 }
926 #endif
927 }
928 #else /* ! __PPC__ */
929 static void
930 output_data(int dev, ulong *sect_buf, int words)
931 {
932 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
933 }
934 #endif /* __PPC__ */
935
936 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
937 static void
938 input_data(int dev, ulong *sect_buf, int words)
939 {
940 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
941 uchar *dbuf;
942 volatile uchar *pbuf_even;
943 volatile uchar *pbuf_odd;
944
945 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
946 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
947 dbuf = (uchar *)sect_buf;
948 while (words--) {
949 *dbuf++ = *pbuf_even;
950 EIEIO;
951 SYNC;
952 *dbuf++ = *pbuf_odd;
953 EIEIO;
954 SYNC;
955 *dbuf++ = *pbuf_even;
956 EIEIO;
957 SYNC;
958 *dbuf++ = *pbuf_odd;
959 EIEIO;
960 SYNC;
961 }
962 #else
963 ushort *dbuf;
964 volatile ushort *pbuf;
965
966 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
967 dbuf = (ushort *)sect_buf;
968
969 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
970
971 while (words--) {
972 EIEIO;
973 *dbuf++ = *pbuf;
974 EIEIO;
975 *dbuf++ = *pbuf;
976 }
977 #endif
978 }
979 #else /* ! __PPC__ */
980 static void
981 input_data(int dev, ulong *sect_buf, int words)
982 {
983 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
984 }
985
986 #endif /* __PPC__ */
987
988 #ifdef CONFIG_AMIGAONEG3SE
989 static void
990 input_data_short(int dev, ulong *sect_buf, int words)
991 {
992 ushort *dbuf;
993 volatile ushort *pbuf;
994
995 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
996 dbuf = (ushort *)sect_buf;
997 while (words--) {
998 EIEIO;
999 *dbuf++ = *pbuf;
1000 EIEIO;
1001 }
1002
1003 if (words&1) {
1004 ushort dummy;
1005 dummy = *pbuf;
1006 }
1007 }
1008 #endif
1009
1010 /* -------------------------------------------------------------------------
1011 */
1012 static void ide_ident (block_dev_desc_t *dev_desc)
1013 {
1014 ulong iobuf[ATA_SECTORWORDS];
1015 unsigned char c;
1016 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1017
1018 #ifdef CONFIG_AMIGAONEG3SE
1019 int max_bus_scan;
1020 char *s;
1021 #endif
1022 #ifdef CONFIG_ATAPI
1023 int retries = 0;
1024 int do_retry = 0;
1025 #endif
1026
1027 #if 0
1028 int mode, cycle_time;
1029 #endif
1030 int device;
1031 device=dev_desc->dev;
1032 printf (" Device %d: ", device);
1033
1034 #ifdef CONFIG_AMIGAONEG3SE
1035 s = getenv("ide_maxbus");
1036 if (s) {
1037 max_bus_scan = simple_strtol(s, NULL, 10);
1038 } else {
1039 max_bus_scan = CFG_IDE_MAXBUS;
1040 }
1041 if (device >= max_bus_scan*2) {
1042 dev_desc->type=DEV_TYPE_UNKNOWN;
1043 return;
1044 }
1045 #endif
1046
1047 ide_led (DEVICE_LED(device), 1); /* LED on */
1048 /* Select device
1049 */
1050 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1051 dev_desc->if_type=IF_TYPE_IDE;
1052 #ifdef CONFIG_ATAPI
1053
1054 do_retry = 0;
1055 retries = 0;
1056
1057 /* Warning: This will be tricky to read */
1058 while (retries <= 1) {
1059 /* check signature */
1060 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1061 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1062 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1063 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1064 /* ATAPI Signature found */
1065 dev_desc->if_type=IF_TYPE_ATAPI;
1066 /* Start Ident Command
1067 */
1068 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1069 /*
1070 * Wait for completion - ATAPI devices need more time
1071 * to become ready
1072 */
1073 c = ide_wait (device, ATAPI_TIME_OUT);
1074 } else
1075 #endif
1076 {
1077 /* Start Ident Command
1078 */
1079 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1080
1081 /* Wait for completion
1082 */
1083 c = ide_wait (device, IDE_TIME_OUT);
1084 }
1085 ide_led (DEVICE_LED(device), 0); /* LED off */
1086
1087 if (((c & ATA_STAT_DRQ) == 0) ||
1088 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1089 #ifdef CONFIG_ATAPI
1090 #ifdef CONFIG_AMIGAONEG3SE
1091 s = getenv("ide_doreset");
1092 if (s && strcmp(s, "on") == 0)
1093 #endif
1094 {
1095 /* Need to soft reset the device in case it's an ATAPI... */
1096 debug ("Retrying...\n");
1097 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1098 udelay(100000);
1099 ide_outb (device, ATA_COMMAND, 0x08);
1100 udelay (500000); /* 500 ms */
1101 }
1102 /* Select device
1103 */
1104 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1105 retries++;
1106 #else
1107 return;
1108 #endif
1109 }
1110 #ifdef CONFIG_ATAPI
1111 else
1112 break;
1113 } /* see above - ugly to read */
1114
1115 if (retries == 2) /* Not found */
1116 return;
1117 #endif
1118
1119 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1120
1121 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1122 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1123 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1124 #ifdef __LITTLE_ENDIAN
1125 /*
1126 * firmware revision and model number have Big Endian Byte
1127 * order in Word. Convert both to little endian.
1128 *
1129 * See CF+ and CompactFlash Specification Revision 2.0:
1130 * 6.2.1.6: Identfy Drive, Table 39 for more details
1131 */
1132
1133 strswab (dev_desc->revision);
1134 strswab (dev_desc->vendor);
1135 #endif /* __LITTLE_ENDIAN */
1136
1137 if ((iop->config & 0x0080)==0x0080)
1138 dev_desc->removable = 1;
1139 else
1140 dev_desc->removable = 0;
1141
1142 #if 0
1143 /*
1144 * Drive PIO mode autoselection
1145 */
1146 mode = iop->tPIO;
1147
1148 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1149 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1150 mode = 2;
1151 debug ("Override tPIO -> 2\n");
1152 }
1153 if (iop->field_valid & 2) { /* drive implements ATA2? */
1154 debug ("Drive implements ATA2\n");
1155 if (iop->capability & 8) { /* drive supports use_iordy? */
1156 cycle_time = iop->eide_pio_iordy;
1157 } else {
1158 cycle_time = iop->eide_pio;
1159 }
1160 debug ("cycle time = %d\n", cycle_time);
1161 mode = 4;
1162 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1163 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1164 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1165 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1166 }
1167 printf ("PIO mode to use: PIO %d\n", mode);
1168 #endif /* 0 */
1169
1170 #ifdef CONFIG_ATAPI
1171 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1172 atapi_inquiry(dev_desc);
1173 return;
1174 }
1175 #endif /* CONFIG_ATAPI */
1176
1177 #ifdef __BIG_ENDIAN
1178 /* swap shorts */
1179 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1180 #else /* ! __BIG_ENDIAN */
1181 /*
1182 * do not swap shorts on little endian
1183 *
1184 * See CF+ and CompactFlash Specification Revision 2.0:
1185 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1186 */
1187 dev_desc->lba = iop->lba_capacity;
1188 #endif /* __BIG_ENDIAN */
1189
1190 #ifdef CONFIG_LBA48
1191 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1192 dev_desc->lba48 = 1;
1193 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1194 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1195 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1196 ((unsigned long long)iop->lba48_capacity[3] << 48);
1197 } else {
1198 dev_desc->lba48 = 0;
1199 }
1200 #endif /* CONFIG_LBA48 */
1201 /* assuming HD */
1202 dev_desc->type=DEV_TYPE_HARDDISK;
1203 dev_desc->blksz=ATA_BLOCKSIZE;
1204 dev_desc->lun=0; /* just to fill something in... */
1205
1206 #if 0 /* only used to test the powersaving mode,
1207 * if enabled, the drive goes after 5 sec
1208 * in standby mode */
1209 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1210 c = ide_wait (device, IDE_TIME_OUT);
1211 ide_outb (device, ATA_SECT_CNT, 1);
1212 ide_outb (device, ATA_LBA_LOW, 0);
1213 ide_outb (device, ATA_LBA_MID, 0);
1214 ide_outb (device, ATA_LBA_HIGH, 0);
1215 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1216 ide_outb (device, ATA_COMMAND, 0xe3);
1217 udelay (50);
1218 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1219 #endif
1220 }
1221
1222
1223 /* ------------------------------------------------------------------------- */
1224
1225 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1226 {
1227 ulong n = 0;
1228 unsigned char c;
1229 unsigned char pwrsave=0; /* power save */
1230 #ifdef CONFIG_LBA48
1231 unsigned char lba48 = 0;
1232
1233 if (blknr & 0x0000fffff0000000) {
1234 /* more than 28 bits used, use 48bit mode */
1235 lba48 = 1;
1236 }
1237 #endif
1238 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1239 device, blknr, blkcnt, (ulong)buffer);
1240
1241 ide_led (DEVICE_LED(device), 1); /* LED on */
1242
1243 /* Select device
1244 */
1245 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1246 c = ide_wait (device, IDE_TIME_OUT);
1247
1248 if (c & ATA_STAT_BUSY) {
1249 printf ("IDE read: device %d not ready\n", device);
1250 goto IDE_READ_E;
1251 }
1252
1253 /* first check if the drive is in Powersaving mode, if yes,
1254 * increase the timeout value */
1255 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1256 udelay (50);
1257
1258 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1259
1260 if (c & ATA_STAT_BUSY) {
1261 printf ("IDE read: device %d not ready\n", device);
1262 goto IDE_READ_E;
1263 }
1264 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1265 printf ("No Powersaving mode %X\n", c);
1266 } else {
1267 c = ide_inb(device,ATA_SECT_CNT);
1268 debug ("Powersaving %02X\n",c);
1269 if(c==0)
1270 pwrsave=1;
1271 }
1272
1273
1274 while (blkcnt-- > 0) {
1275
1276 c = ide_wait (device, IDE_TIME_OUT);
1277
1278 if (c & ATA_STAT_BUSY) {
1279 printf ("IDE read: device %d not ready\n", device);
1280 break;
1281 }
1282 #ifdef CONFIG_LBA48
1283 if (lba48) {
1284 /* write high bits */
1285 ide_outb (device, ATA_SECT_CNT, 0);
1286 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1287 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1288 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1289 }
1290 #endif
1291 ide_outb (device, ATA_SECT_CNT, 1);
1292 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1293 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1294 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1295
1296 #ifdef CONFIG_LBA48
1297 if (lba48) {
1298 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1299 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1300
1301 } else
1302 #endif
1303 {
1304 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1305 ATA_DEVICE(device) |
1306 ((blknr >> 24) & 0xF) );
1307 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1308 }
1309
1310 udelay (50);
1311
1312 if(pwrsave) {
1313 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1314 pwrsave=0;
1315 } else {
1316 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1317 }
1318
1319 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1320 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1321 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1322 device, blknr, c);
1323 #else
1324 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1325 device, (ulong)blknr, c);
1326 #endif
1327 break;
1328 }
1329
1330 input_data (device, buffer, ATA_SECTORWORDS);
1331 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1332
1333 ++n;
1334 ++blknr;
1335 buffer += ATA_SECTORWORDS;
1336 }
1337 IDE_READ_E:
1338 ide_led (DEVICE_LED(device), 0); /* LED off */
1339 return (n);
1340 }
1341
1342 /* ------------------------------------------------------------------------- */
1343
1344
1345 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1346 {
1347 ulong n = 0;
1348 unsigned char c;
1349 #ifdef CONFIG_LBA48
1350 unsigned char lba48 = 0;
1351
1352 if (blknr & 0x0000fffff0000000) {
1353 /* more than 28 bits used, use 48bit mode */
1354 lba48 = 1;
1355 }
1356 #endif
1357
1358 ide_led (DEVICE_LED(device), 1); /* LED on */
1359
1360 /* Select device
1361 */
1362 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1363
1364 while (blkcnt-- > 0) {
1365
1366 c = ide_wait (device, IDE_TIME_OUT);
1367
1368 if (c & ATA_STAT_BUSY) {
1369 printf ("IDE read: device %d not ready\n", device);
1370 goto WR_OUT;
1371 }
1372 #ifdef CONFIG_LBA48
1373 if (lba48) {
1374 /* write high bits */
1375 ide_outb (device, ATA_SECT_CNT, 0);
1376 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1377 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1378 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1379 }
1380 #endif
1381 ide_outb (device, ATA_SECT_CNT, 1);
1382 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1383 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1384 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1385
1386 #ifdef CONFIG_LBA48
1387 if (lba48) {
1388 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1389 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1390
1391 } else
1392 #endif
1393 {
1394 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1395 ATA_DEVICE(device) |
1396 ((blknr >> 24) & 0xF) );
1397 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1398 }
1399
1400 udelay (50);
1401
1402 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1403
1404 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1405 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1406 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1407 device, blknr, c);
1408 #else
1409 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1410 device, (ulong)blknr, c);
1411 #endif
1412 goto WR_OUT;
1413 }
1414
1415 output_data (device, buffer, ATA_SECTORWORDS);
1416 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1417 ++n;
1418 ++blknr;
1419 buffer += ATA_SECTORWORDS;
1420 }
1421 WR_OUT:
1422 ide_led (DEVICE_LED(device), 0); /* LED off */
1423 return (n);
1424 }
1425
1426 /* ------------------------------------------------------------------------- */
1427
1428 /*
1429 * copy src to dest, skipping leading and trailing blanks and null
1430 * terminate the string
1431 * "len" is the size of available memory including the terminating '\0'
1432 */
1433 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1434 {
1435 unsigned char *end, *last;
1436
1437 last = dst;
1438 end = src + len - 1;
1439
1440 /* reserve space for '\0' */
1441 if (len < 2)
1442 goto OUT;
1443
1444 /* skip leading white space */
1445 while ((*src) && (src<end) && (*src==' '))
1446 ++src;
1447
1448 /* copy string, omitting trailing white space */
1449 while ((*src) && (src<end)) {
1450 *dst++ = *src;
1451 if (*src++ != ' ')
1452 last = dst;
1453 }
1454 OUT:
1455 *last = '\0';
1456 }
1457
1458 /* ------------------------------------------------------------------------- */
1459
1460 /*
1461 * Wait until Busy bit is off, or timeout (in ms)
1462 * Return last status
1463 */
1464 static uchar ide_wait (int dev, ulong t)
1465 {
1466 ulong delay = 10 * t; /* poll every 100 us */
1467 uchar c;
1468
1469 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1470 udelay (100);
1471 if (delay-- == 0) {
1472 break;
1473 }
1474 }
1475 return (c);
1476 }
1477
1478 /* ------------------------------------------------------------------------- */
1479
1480 #ifdef CONFIG_IDE_RESET
1481 extern void ide_set_reset(int idereset);
1482
1483 static void ide_reset (void)
1484 {
1485 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1486 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1487 #endif
1488 int i;
1489
1490 curr_device = -1;
1491 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1492 ide_bus_ok[i] = 0;
1493 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1494 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1495
1496 ide_set_reset (1); /* assert reset */
1497
1498 WATCHDOG_RESET();
1499
1500 #ifdef CFG_PB_12V_ENABLE
1501 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1502 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1503 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1504 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1505
1506 /* wait 500 ms for the voltage to stabilize
1507 */
1508 for (i=0; i<500; ++i) {
1509 udelay (1000);
1510 }
1511
1512 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1513 #endif /* CFG_PB_12V_ENABLE */
1514
1515 #ifdef CFG_PB_IDE_MOTOR
1516 /* configure IDE Motor voltage monitor pin as input */
1517 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1518 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1519 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1520
1521 /* wait up to 1 s for the motor voltage to stabilize
1522 */
1523 for (i=0; i<1000; ++i) {
1524 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1525 break;
1526 }
1527 udelay (1000);
1528 }
1529
1530 if (i == 1000) { /* Timeout */
1531 printf ("\nWarning: 5V for IDE Motor missing\n");
1532 # ifdef CONFIG_STATUS_LED
1533 # ifdef STATUS_LED_YELLOW
1534 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1535 # endif
1536 # ifdef STATUS_LED_GREEN
1537 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1538 # endif
1539 # endif /* CONFIG_STATUS_LED */
1540 }
1541 #endif /* CFG_PB_IDE_MOTOR */
1542
1543 WATCHDOG_RESET();
1544
1545 /* de-assert RESET signal */
1546 ide_set_reset(0);
1547
1548 /* wait 250 ms */
1549 for (i=0; i<250; ++i) {
1550 udelay (1000);
1551 }
1552 }
1553
1554 #endif /* CONFIG_IDE_RESET */
1555
1556 /* ------------------------------------------------------------------------- */
1557
1558 #if defined(CONFIG_IDE_LED) && \
1559 !defined(CONFIG_AMIGAONEG3SE)&& \
1560 !defined(CONFIG_CPC45) && \
1561 !defined(CONFIG_HMI10) && \
1562 !defined(CONFIG_KUP4K) && \
1563 !defined(CONFIG_KUP4X)
1564
1565 static uchar led_buffer = 0; /* Buffer for current LED status */
1566
1567 static void ide_led (uchar led, uchar status)
1568 {
1569 uchar *led_port = LED_PORT;
1570
1571 if (status) { /* switch LED on */
1572 led_buffer |= led;
1573 } else { /* switch LED off */
1574 led_buffer &= ~led;
1575 }
1576
1577 *led_port = led_buffer;
1578 }
1579
1580 #endif /* CONFIG_IDE_LED */
1581
1582 /* ------------------------------------------------------------------------- */
1583
1584 #ifdef CONFIG_ATAPI
1585 /****************************************************************************
1586 * ATAPI Support
1587 */
1588
1589 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1590 /* since ATAPI may use commands with not 4 bytes alligned length
1591 * we have our own transfer functions, 2 bytes alligned */
1592 static void
1593 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1594 {
1595 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1596 uchar *dbuf;
1597 volatile uchar *pbuf_even;
1598 volatile uchar *pbuf_odd;
1599
1600 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1601 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1602 while (shorts--) {
1603 EIEIO;
1604 *pbuf_even = *dbuf++;
1605 EIEIO;
1606 *pbuf_odd = *dbuf++;
1607 }
1608 #else
1609 ushort *dbuf;
1610 volatile ushort *pbuf;
1611
1612 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1613 dbuf = (ushort *)sect_buf;
1614
1615 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1616
1617 while (shorts--) {
1618 EIEIO;
1619 *pbuf = *dbuf++;
1620 }
1621 #endif
1622 }
1623
1624 static void
1625 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1626 {
1627 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1628 uchar *dbuf;
1629 volatile uchar *pbuf_even;
1630 volatile uchar *pbuf_odd;
1631
1632 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1633 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1634 while (shorts--) {
1635 EIEIO;
1636 *dbuf++ = *pbuf_even;
1637 EIEIO;
1638 *dbuf++ = *pbuf_odd;
1639 }
1640 #else
1641 ushort *dbuf;
1642 volatile ushort *pbuf;
1643
1644 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1645 dbuf = (ushort *)sect_buf;
1646
1647 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1648
1649 while (shorts--) {
1650 EIEIO;
1651 *dbuf++ = *pbuf;
1652 }
1653 #endif
1654 }
1655
1656 #else /* ! __PPC__ */
1657 static void
1658 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1659 {
1660 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1661 }
1662
1663 static void
1664 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1665 {
1666 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1667 }
1668
1669 #endif /* __PPC__ */
1670
1671 /*
1672 * Wait until (Status & mask) == res, or timeout (in ms)
1673 * Return last status
1674 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1675 * and then they set their DRQ Bit
1676 */
1677 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1678 {
1679 ulong delay = 10 * t; /* poll every 100 us */
1680 uchar c;
1681
1682 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1683 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1684 /* break if error occurs (doesn't make sense to wait more) */
1685 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1686 break;
1687 udelay (100);
1688 if (delay-- == 0) {
1689 break;
1690 }
1691 }
1692 return (c);
1693 }
1694
1695 /*
1696 * issue an atapi command
1697 */
1698 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1699 {
1700 unsigned char c,err,mask,res;
1701 int n;
1702 ide_led (DEVICE_LED(device), 1); /* LED on */
1703
1704 /* Select device
1705 */
1706 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1707 res = 0;
1708 #ifdef CONFIG_AMIGAONEG3SE
1709 # warning THF: Removed LBA mode ???
1710 #endif
1711 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1712 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1713 if ((c & mask) != res) {
1714 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1715 err=0xFF;
1716 goto AI_OUT;
1717 }
1718 /* write taskfile */
1719 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1720 ide_outb (device, ATA_SECT_CNT, 0);
1721 ide_outb (device, ATA_SECT_NUM, 0);
1722 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1723 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1724 #ifdef CONFIG_AMIGAONEG3SE
1725 # warning THF: Removed LBA mode ???
1726 #endif
1727 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1728
1729 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1730 udelay (50);
1731
1732 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1733 res = ATA_STAT_DRQ;
1734 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1735
1736 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1737 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1738 err=0xFF;
1739 goto AI_OUT;
1740 }
1741
1742 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1743 /* ATAPI Command written wait for completition */
1744 udelay (5000); /* device must set bsy */
1745
1746 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1747 /* if no data wait for DRQ = 0 BSY = 0
1748 * if data wait for DRQ = 1 BSY = 0 */
1749 res=0;
1750 if(buflen)
1751 res = ATA_STAT_DRQ;
1752 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1753 if ((c & mask) != res ) {
1754 if (c & ATA_STAT_ERR) {
1755 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1756 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1757 } else {
1758 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1759 err=0xFF;
1760 }
1761 goto AI_OUT;
1762 }
1763 n=ide_inb(device, ATA_CYL_HIGH);
1764 n<<=8;
1765 n+=ide_inb(device, ATA_CYL_LOW);
1766 if(n>buflen) {
1767 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1768 err=0xff;
1769 goto AI_OUT;
1770 }
1771 if((n==0)&&(buflen<0)) {
1772 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1773 err=0xff;
1774 goto AI_OUT;
1775 }
1776 if(n!=buflen) {
1777 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1778 }
1779 if(n!=0) { /* data transfer */
1780 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1781 /* we transfer shorts */
1782 n>>=1;
1783 /* ok now decide if it is an in or output */
1784 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1785 debug ("Write to device\n");
1786 output_data_shorts(device,(unsigned short *)buffer,n);
1787 } else {
1788 debug ("Read from device @ %p shorts %d\n",buffer,n);
1789 input_data_shorts(device,(unsigned short *)buffer,n);
1790 }
1791 }
1792 udelay(5000); /* seems that some CD ROMs need this... */
1793 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1794 res=0;
1795 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1796 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1797 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1798 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1799 } else {
1800 err = 0;
1801 }
1802 AI_OUT:
1803 ide_led (DEVICE_LED(device), 0); /* LED off */
1804 return (err);
1805 }
1806
1807 /*
1808 * sending the command to atapi_issue. If an status other than good
1809 * returns, an request_sense will be issued
1810 */
1811
1812 #define ATAPI_DRIVE_NOT_READY 100
1813 #define ATAPI_UNIT_ATTN 10
1814
1815 unsigned char atapi_issue_autoreq (int device,
1816 unsigned char* ccb,
1817 int ccblen,
1818 unsigned char *buffer,
1819 int buflen)
1820 {
1821 unsigned char sense_data[18],sense_ccb[12];
1822 unsigned char res,key,asc,ascq;
1823 int notready,unitattn;
1824
1825 #ifdef CONFIG_AMIGAONEG3SE
1826 char *s;
1827 unsigned int timeout, retrycnt;
1828
1829 s = getenv("ide_cd_timeout");
1830 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1831
1832 retrycnt = 0;
1833 #endif
1834
1835 unitattn=ATAPI_UNIT_ATTN;
1836 notready=ATAPI_DRIVE_NOT_READY;
1837
1838 retry:
1839 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1840 if (res==0)
1841 return (0); /* Ok */
1842
1843 if (res==0xFF)
1844 return (0xFF); /* error */
1845
1846 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1847
1848 memset(sense_ccb,0,sizeof(sense_ccb));
1849 memset(sense_data,0,sizeof(sense_data));
1850 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1851 sense_ccb[4]=18; /* allocation Length */
1852
1853 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1854 key=(sense_data[2]&0xF);
1855 asc=(sense_data[12]);
1856 ascq=(sense_data[13]);
1857
1858 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1859 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1860 sense_data[0],
1861 key,
1862 asc,
1863 ascq);
1864
1865 if((key==0))
1866 return 0; /* ok device ready */
1867
1868 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1869 if(unitattn-->0) {
1870 udelay(200*1000);
1871 goto retry;
1872 }
1873 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1874 goto error;
1875 }
1876 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1877 if (notready-->0) {
1878 udelay(200*1000);
1879 goto retry;
1880 }
1881 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1882 goto error;
1883 }
1884 if(asc==0x3a) {
1885 debug ("Media not present\n");
1886 goto error;
1887 }
1888
1889 #ifdef CONFIG_AMIGAONEG3SE
1890 if ((sense_data[2]&0xF)==0x0B) {
1891 debug ("ABORTED COMMAND...retry\n");
1892 if (retrycnt++ < 4)
1893 goto retry;
1894 return (0xFF);
1895 }
1896
1897 if ((sense_data[2]&0xf) == 0x02 &&
1898 sense_data[12] == 0x04 &&
1899 sense_data[13] == 0x01 ) {
1900 debug ("Waiting for unit to become active\n");
1901 udelay(timeout);
1902 if (retrycnt++ < 4)
1903 goto retry;
1904 return 0xFF;
1905 }
1906 #endif /* CONFIG_AMIGAONEG3SE */
1907
1908 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1909 error:
1910 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1911 return (0xFF);
1912 }
1913
1914
1915 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1916 {
1917 unsigned char ccb[12]; /* Command descriptor block */
1918 unsigned char iobuf[64]; /* temp buf */
1919 unsigned char c;
1920 int device;
1921
1922 device=dev_desc->dev;
1923 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1924 dev_desc->block_read=atapi_read;
1925
1926 memset(ccb,0,sizeof(ccb));
1927 memset(iobuf,0,sizeof(iobuf));
1928
1929 ccb[0]=ATAPI_CMD_INQUIRY;
1930 ccb[4]=40; /* allocation Legnth */
1931 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1932
1933 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1934 if (c!=0)
1935 return;
1936
1937 /* copy device ident strings */
1938 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1939 ident_cpy(dev_desc->product,&iobuf[16],16);
1940 ident_cpy(dev_desc->revision,&iobuf[32],5);
1941
1942 dev_desc->lun=0;
1943 dev_desc->lba=0;
1944 dev_desc->blksz=0;
1945 dev_desc->type=iobuf[0] & 0x1f;
1946
1947 if ((iobuf[1]&0x80)==0x80)
1948 dev_desc->removable = 1;
1949 else
1950 dev_desc->removable = 0;
1951
1952 memset(ccb,0,sizeof(ccb));
1953 memset(iobuf,0,sizeof(iobuf));
1954 ccb[0]=ATAPI_CMD_START_STOP;
1955 ccb[4]=0x03; /* start */
1956
1957 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1958
1959 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1960 if (c!=0)
1961 return;
1962
1963 memset(ccb,0,sizeof(ccb));
1964 memset(iobuf,0,sizeof(iobuf));
1965 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1966
1967 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1968 if (c!=0)
1969 return;
1970
1971 memset(ccb,0,sizeof(ccb));
1972 memset(iobuf,0,sizeof(iobuf));
1973 ccb[0]=ATAPI_CMD_READ_CAP;
1974 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1975 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1976 if (c!=0)
1977 return;
1978
1979 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1980 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1981 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1982
1983 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1984 ((unsigned long)iobuf[1]<<16) +
1985 ((unsigned long)iobuf[2]<< 8) +
1986 ((unsigned long)iobuf[3]);
1987 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1988 ((unsigned long)iobuf[5]<<16) +
1989 ((unsigned long)iobuf[6]<< 8) +
1990 ((unsigned long)iobuf[7]);
1991 #ifdef CONFIG_LBA48
1992 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1993 #endif
1994 return;
1995 }
1996
1997
1998 /*
1999 * atapi_read:
2000 * we transfer only one block per command, since the multiple DRQ per
2001 * command is not yet implemented
2002 */
2003 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2004 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2005 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2006
2007 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
2008 {
2009 ulong n = 0;
2010 unsigned char ccb[12]; /* Command descriptor block */
2011 ulong cnt;
2012
2013 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2014 device, blknr, blkcnt, (ulong)buffer);
2015
2016 do {
2017 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2018 cnt=ATAPI_READ_MAX_BLOCK;
2019 } else {
2020 cnt=blkcnt;
2021 }
2022 ccb[0]=ATAPI_CMD_READ_12;
2023 ccb[1]=0; /* reserved */
2024 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2025 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2026 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2027 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2028 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2029 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2030 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2031 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2032 ccb[10]=0; /* reserved */
2033 ccb[11]=0; /* reserved */
2034
2035 if (atapi_issue_autoreq(device,ccb,12,
2036 (unsigned char *)buffer,
2037 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2038 return (n);
2039 }
2040 n+=cnt;
2041 blkcnt-=cnt;
2042 blknr+=cnt;
2043 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2044 } while (blkcnt > 0);
2045 return (n);
2046 }
2047
2048 /* ------------------------------------------------------------------------- */
2049
2050 #endif /* CONFIG_ATAPI */
2051
2052 U_BOOT_CMD(
2053 ide, 5, 1, do_ide,
2054 "ide - IDE sub-system\n",
2055 "reset - reset IDE controller\n"
2056 "ide info - show available IDE devices\n"
2057 "ide device [dev] - show or set current device\n"
2058 "ide part [dev] - print partition table of one or all IDE devices\n"
2059 "ide read addr blk# cnt\n"
2060 "ide write addr blk# cnt - read/write `cnt'"
2061 " blocks starting at block `blk#'\n"
2062 " to/from memory address `addr'\n"
2063 );
2064
2065 U_BOOT_CMD(
2066 diskboot, 3, 1, do_diskboot,
2067 "diskboot- boot from IDE device\n",
2068 "loadAddr dev:part\n"
2069 );
2070
2071 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */
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