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[people/ms/u-boot.git] / common / cmd_ide.c
1 /*
2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 *
23 */
24
25 /*
26 * IDE support
27 */
28 #include <common.h>
29 #include <config.h>
30 #include <watchdog.h>
31 #include <command.h>
32 #include <image.h>
33 #include <asm/byteorder.h>
34 #include <asm/io.h>
35
36 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
37 # include <pcmcia.h>
38 #endif
39
40 #ifdef CONFIG_8xx
41 # include <mpc8xx.h>
42 #endif
43
44 #ifdef CONFIG_MPC5xxx
45 #include <mpc5xxx.h>
46 #endif
47
48 #include <ide.h>
49 #include <ata.h>
50
51 #ifdef CONFIG_STATUS_LED
52 # include <status_led.h>
53 #endif
54
55 #ifdef CONFIG_IDE_8xx_DIRECT
56 DECLARE_GLOBAL_DATA_PTR;
57 #endif
58
59 #ifdef __PPC__
60 # define EIEIO __asm__ volatile ("eieio")
61 # define SYNC __asm__ volatile ("sync")
62 #else
63 # define EIEIO /* nothing */
64 # define SYNC /* nothing */
65 #endif
66
67 #ifdef CONFIG_IDE_8xx_DIRECT
68 /* Timings for IDE Interface
69 *
70 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
71 * 70 165 30 PIO-Mode 0, [ns]
72 * 4 9 2 [Cycles]
73 * 50 125 20 PIO-Mode 1, [ns]
74 * 3 7 2 [Cycles]
75 * 30 100 15 PIO-Mode 2, [ns]
76 * 2 6 1 [Cycles]
77 * 30 80 10 PIO-Mode 3, [ns]
78 * 2 5 1 [Cycles]
79 * 25 70 10 PIO-Mode 4, [ns]
80 * 2 4 1 [Cycles]
81 */
82
83 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
84 {
85 /* Setup Length Hold */
86 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
87 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
88 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
89 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
90 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
91 };
92
93 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
94
95 #ifndef CFG_PIO_MODE
96 #define CFG_PIO_MODE 0 /* use a relaxed default */
97 #endif
98 static int pio_mode = CFG_PIO_MODE;
99
100 /* Make clock cycles and always round up */
101
102 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
103
104 #endif /* CONFIG_IDE_8xx_DIRECT */
105
106 /* ------------------------------------------------------------------------- */
107
108 /* Current I/O Device */
109 static int curr_device = -1;
110
111 /* Current offset for IDE0 / IDE1 bus access */
112 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
113 #if defined(CFG_ATA_IDE0_OFFSET)
114 CFG_ATA_IDE0_OFFSET,
115 #endif
116 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
117 CFG_ATA_IDE1_OFFSET,
118 #endif
119 };
120
121
122 #ifndef CONFIG_AMIGAONEG3SE
123 static int ide_bus_ok[CFG_IDE_MAXBUS];
124 #else
125 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
126 #endif
127
128 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
129 /* ------------------------------------------------------------------------- */
130
131 #ifdef CONFIG_IDE_LED
132 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
133 static void ide_led (uchar led, uchar status);
134 #else
135 extern void ide_led (uchar led, uchar status);
136 #endif
137 #else
138 #ifndef CONFIG_AMIGAONEG3SE
139 #define ide_led(a,b) /* dummy */
140 #else
141 extern void ide_led(uchar led, uchar status);
142 #define LED_IDE1 1
143 #define LED_IDE2 2
144 #define CONFIG_IDE_LED 1
145 #define DEVICE_LED(x) 1
146 #endif
147 #endif
148
149 #ifdef CONFIG_IDE_RESET
150 static void ide_reset (void);
151 #else
152 #define ide_reset() /* dummy */
153 #endif
154
155 static void ide_ident (block_dev_desc_t *dev_desc);
156 static uchar ide_wait (int dev, ulong t);
157
158 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
159
160 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
161
162 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
163
164 void inline ide_outb(int dev, int port, unsigned char val);
165 unsigned char inline ide_inb(int dev, int port);
166 static void input_data(int dev, ulong *sect_buf, int words);
167 static void output_data(int dev, ulong *sect_buf, int words);
168 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
169
170 #ifndef CFG_ATA_PORT_ADDR
171 #define CFG_ATA_PORT_ADDR(port) (port)
172 #endif
173
174 #ifdef CONFIG_ATAPI
175 static void atapi_inquiry(block_dev_desc_t *dev_desc);
176 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
177 #endif
178
179
180 #ifdef CONFIG_IDE_8xx_DIRECT
181 static void set_pcmcia_timing (int pmode);
182 #endif
183
184 /* ------------------------------------------------------------------------- */
185
186 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
187 {
188 int rcode = 0;
189
190 switch (argc) {
191 case 0:
192 case 1:
193 printf ("Usage:\n%s\n", cmdtp->usage);
194 return 1;
195 case 2:
196 if (strncmp(argv[1],"res",3) == 0) {
197 puts ("\nReset IDE"
198 #ifdef CONFIG_IDE_8xx_DIRECT
199 " on PCMCIA " PCMCIA_SLOT_MSG
200 #endif
201 ": ");
202
203 ide_init ();
204 return 0;
205 } else if (strncmp(argv[1],"inf",3) == 0) {
206 int i;
207
208 putc ('\n');
209
210 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
211 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
212 continue; /* list only known devices */
213 printf ("IDE device %d: ", i);
214 dev_print(&ide_dev_desc[i]);
215 }
216 return 0;
217
218 } else if (strncmp(argv[1],"dev",3) == 0) {
219 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
220 puts ("\nno IDE devices available\n");
221 return 1;
222 }
223 printf ("\nIDE device %d: ", curr_device);
224 dev_print(&ide_dev_desc[curr_device]);
225 return 0;
226 } else if (strncmp(argv[1],"part",4) == 0) {
227 int dev, ok;
228
229 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
230 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
231 ++ok;
232 if (dev)
233 putc ('\n');
234 print_part(&ide_dev_desc[dev]);
235 }
236 }
237 if (!ok) {
238 puts ("\nno IDE devices available\n");
239 rcode ++;
240 }
241 return rcode;
242 }
243 printf ("Usage:\n%s\n", cmdtp->usage);
244 return 1;
245 case 3:
246 if (strncmp(argv[1],"dev",3) == 0) {
247 int dev = (int)simple_strtoul(argv[2], NULL, 10);
248
249 printf ("\nIDE device %d: ", dev);
250 if (dev >= CFG_IDE_MAXDEVICE) {
251 puts ("unknown device\n");
252 return 1;
253 }
254 dev_print(&ide_dev_desc[dev]);
255 /*ide_print (dev);*/
256
257 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
258 return 1;
259 }
260
261 curr_device = dev;
262
263 puts ("... is now current device\n");
264
265 return 0;
266 } else if (strncmp(argv[1],"part",4) == 0) {
267 int dev = (int)simple_strtoul(argv[2], NULL, 10);
268
269 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
270 print_part(&ide_dev_desc[dev]);
271 } else {
272 printf ("\nIDE device %d not available\n", dev);
273 rcode = 1;
274 }
275 return rcode;
276 #if 0
277 } else if (strncmp(argv[1],"pio",4) == 0) {
278 int mode = (int)simple_strtoul(argv[2], NULL, 10);
279
280 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
281 puts ("\nSetting ");
282 pio_mode = mode;
283 ide_init ();
284 } else {
285 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
286 mode, IDE_MAX_PIO_MODE);
287 }
288 return;
289 #endif
290 }
291
292 printf ("Usage:\n%s\n", cmdtp->usage);
293 return 1;
294 default:
295 /* at least 4 args */
296
297 if (strcmp(argv[1],"read") == 0) {
298 ulong addr = simple_strtoul(argv[2], NULL, 16);
299 ulong cnt = simple_strtoul(argv[4], NULL, 16);
300 ulong n;
301 #ifdef CFG_64BIT_STRTOUL
302 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
303
304 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
305 curr_device, blk, cnt);
306 #else
307 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
308
309 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
310 curr_device, blk, cnt);
311 #endif
312
313 n = ide_dev_desc[curr_device].block_read (curr_device,
314 blk, cnt,
315 (ulong *)addr);
316 /* flush cache after read */
317 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
318
319 printf ("%ld blocks read: %s\n",
320 n, (n==cnt) ? "OK" : "ERROR");
321 if (n==cnt) {
322 return 0;
323 } else {
324 return 1;
325 }
326 } else if (strcmp(argv[1],"write") == 0) {
327 ulong addr = simple_strtoul(argv[2], NULL, 16);
328 ulong cnt = simple_strtoul(argv[4], NULL, 16);
329 ulong n;
330 #ifdef CFG_64BIT_STRTOUL
331 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
332
333 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
334 curr_device, blk, cnt);
335 #else
336 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
337
338 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
339 curr_device, blk, cnt);
340 #endif
341
342 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
343
344 printf ("%ld blocks written: %s\n",
345 n, (n==cnt) ? "OK" : "ERROR");
346 if (n==cnt) {
347 return 0;
348 } else {
349 return 1;
350 }
351 } else {
352 printf ("Usage:\n%s\n", cmdtp->usage);
353 rcode = 1;
354 }
355
356 return rcode;
357 }
358 }
359
360 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
361 {
362 char *boot_device = NULL;
363 char *ep;
364 int dev, part = 0;
365 ulong addr, cnt;
366 disk_partition_t info;
367 image_header_t *hdr;
368 int rcode = 0;
369 #if defined(CONFIG_FIT)
370 const void *fit_hdr;
371 #endif
372
373 show_boot_progress (41);
374 switch (argc) {
375 case 1:
376 addr = CFG_LOAD_ADDR;
377 boot_device = getenv ("bootdevice");
378 break;
379 case 2:
380 addr = simple_strtoul(argv[1], NULL, 16);
381 boot_device = getenv ("bootdevice");
382 break;
383 case 3:
384 addr = simple_strtoul(argv[1], NULL, 16);
385 boot_device = argv[2];
386 break;
387 default:
388 printf ("Usage:\n%s\n", cmdtp->usage);
389 show_boot_progress (-42);
390 return 1;
391 }
392 show_boot_progress (42);
393
394 if (!boot_device) {
395 puts ("\n** No boot device **\n");
396 show_boot_progress (-43);
397 return 1;
398 }
399 show_boot_progress (43);
400
401 dev = simple_strtoul(boot_device, &ep, 16);
402
403 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
404 printf ("\n** Device %d not available\n", dev);
405 show_boot_progress (-44);
406 return 1;
407 }
408 show_boot_progress (44);
409
410 if (*ep) {
411 if (*ep != ':') {
412 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
413 show_boot_progress (-45);
414 return 1;
415 }
416 part = simple_strtoul(++ep, NULL, 16);
417 }
418 show_boot_progress (45);
419 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
420 show_boot_progress (-46);
421 return 1;
422 }
423 show_boot_progress (46);
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 (-47);
430 return 1;
431 }
432 show_boot_progress (47);
433
434 printf ("\nLoading from IDE device %d, partition %d: "
435 "Name: %.32s Type: %.32s\n",
436 dev, part, info.name, info.type);
437
438 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
439 info.start, info.size, info.blksz);
440
441 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
442 printf ("** Read error on %d:%d\n", dev, part);
443 show_boot_progress (-48);
444 return 1;
445 }
446 show_boot_progress (48);
447
448 switch (genimg_get_format ((void *)addr)) {
449 case IMAGE_FORMAT_LEGACY:
450 hdr = (image_header_t *)addr;
451
452 show_boot_progress (49);
453
454 if (!image_check_hcrc (hdr)) {
455 puts ("\n** Bad Header Checksum **\n");
456 show_boot_progress (-50);
457 return 1;
458 }
459 show_boot_progress (50);
460
461 image_print_contents (hdr);
462
463 cnt = image_get_image_size (hdr);
464 break;
465 #if defined(CONFIG_FIT)
466 case IMAGE_FORMAT_FIT:
467 fit_hdr = (const void *)addr;
468 if (!fit_check_format (fit_hdr)) {
469 show_boot_progress (-140);
470 puts ("** Bad FIT image format\n");
471 return 1;
472 }
473 show_boot_progress (141);
474 puts ("Fit image detected...\n");
475
476 cnt = fit_get_size (fit_hdr);
477 break;
478 #endif
479 default:
480 show_boot_progress (-49);
481 puts ("** Unknown image type\n");
482 return 1;
483 }
484
485 cnt += info.blksz - 1;
486 cnt /= info.blksz;
487 cnt -= 1;
488
489 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
490 (ulong *)(addr+info.blksz)) != cnt) {
491 printf ("** Read error on %d:%d\n", dev, part);
492 show_boot_progress (-51);
493 return 1;
494 }
495 show_boot_progress (51);
496
497 #if defined(CONFIG_FIT)
498 /* This cannot be done earlier, we need complete FIT image in RAM first */
499 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT)
500 fit_print_contents ((const void *)addr);
501 #endif
502
503 /* Loading ok, update default load address */
504
505 load_addr = addr;
506
507 /* Check if we should attempt an auto-start */
508 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
509 char *local_args[2];
510 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
511
512 local_args[0] = argv[0];
513 local_args[1] = NULL;
514
515 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
516
517 do_bootm (cmdtp, 0, 1, local_args);
518 rcode = 1;
519 }
520 return rcode;
521 }
522
523 /* ------------------------------------------------------------------------- */
524
525 void ide_init (void)
526 {
527
528 #ifdef CONFIG_IDE_8xx_DIRECT
529 volatile immap_t *immr = (immap_t *)CFG_IMMR;
530 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
531 #endif
532 unsigned char c;
533 int i, bus;
534 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
535 unsigned int ata_reset_time = ATA_RESET_TIME;
536 char *s;
537 #endif
538 #ifdef CONFIG_AMIGAONEG3SE
539 unsigned int max_bus_scan;
540 #endif
541 #ifdef CONFIG_IDE_8xx_PCCARD
542 extern int pcmcia_on (void);
543 extern int ide_devices_found; /* Initialized in check_ide_device() */
544 #endif /* CONFIG_IDE_8xx_PCCARD */
545
546 #ifdef CONFIG_IDE_PREINIT
547 extern int ide_preinit (void);
548 WATCHDOG_RESET();
549
550 if (ide_preinit ()) {
551 puts ("ide_preinit failed\n");
552 return;
553 }
554 #endif /* CONFIG_IDE_PREINIT */
555
556 #ifdef CONFIG_IDE_8xx_PCCARD
557 extern int pcmcia_on (void);
558 extern int ide_devices_found; /* Initialized in check_ide_device() */
559
560 WATCHDOG_RESET();
561
562 ide_devices_found = 0;
563 /* initialize the PCMCIA IDE adapter card */
564 pcmcia_on();
565 if (!ide_devices_found)
566 return;
567 udelay (1000000); /* 1 s */
568 #endif /* CONFIG_IDE_8xx_PCCARD */
569
570 WATCHDOG_RESET();
571
572 #ifdef CONFIG_IDE_8xx_DIRECT
573 /* Initialize PIO timing tables */
574 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
575 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
576 gd->bus_clk);
577 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
578 gd->bus_clk);
579 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
580 gd->bus_clk);
581 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
582 " len=%3d ns/%d clk"
583 " hold=%2d ns/%d clk\n",
584 i,
585 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
586 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
587 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
588 }
589 #endif /* CONFIG_IDE_8xx_DIRECT */
590
591 /* Reset the IDE just to be sure.
592 * Light LED's to show
593 */
594 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
595 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
596
597 #ifdef CONFIG_IDE_8xx_DIRECT
598 /* PCMCIA / IDE initialization for common mem space */
599 pcmp->pcmc_pgcrb = 0;
600
601 /* start in PIO mode 0 - most relaxed timings */
602 pio_mode = 0;
603 set_pcmcia_timing (pio_mode);
604 #endif /* CONFIG_IDE_8xx_DIRECT */
605
606 /*
607 * Wait for IDE to get ready.
608 * According to spec, this can take up to 31 seconds!
609 */
610 #ifndef CONFIG_AMIGAONEG3SE
611 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
612 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
613 #else
614 s = getenv("ide_maxbus");
615 if (s)
616 max_bus_scan = simple_strtol(s, NULL, 10);
617 else
618 max_bus_scan = CFG_IDE_MAXBUS;
619
620 for (bus=0; bus<max_bus_scan; ++bus) {
621 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
622 #endif
623
624 #ifdef CONFIG_IDE_8xx_PCCARD
625 /* Skip non-ide devices from probing */
626 if ((ide_devices_found & (1 << bus)) == 0) {
627 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
628 continue;
629 }
630 #endif
631 printf ("Bus %d: ", bus);
632
633 ide_bus_ok[bus] = 0;
634
635 /* Select device
636 */
637 udelay (100000); /* 100 ms */
638 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
639 udelay (100000); /* 100 ms */
640 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
641 if ((s = getenv("ide_reset_timeout")) != NULL)
642 ata_reset_time = simple_strtol(s, NULL, 10);
643 #endif
644 i = 0;
645 do {
646 udelay (10000); /* 10 ms */
647
648 c = ide_inb (dev, ATA_STATUS);
649 i++;
650 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
651 if (i > (ata_reset_time * 100)) {
652 #else
653 if (i > (ATA_RESET_TIME * 100)) {
654 #endif
655 puts ("** Timeout **\n");
656 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
657 #ifdef CONFIG_AMIGAONEG3SE
658 /* If this is the second bus, the first one was OK */
659 if (bus != 0) {
660 ide_bus_ok[bus] = 0;
661 goto skip_bus;
662 }
663 #endif
664 return;
665 }
666 if ((i >= 100) && ((i%100)==0)) {
667 putc ('.');
668 }
669 } while (c & ATA_STAT_BUSY);
670
671 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
672 puts ("not available ");
673 debug ("Status = 0x%02X ", c);
674 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
675 } else if ((c & ATA_STAT_READY) == 0) {
676 puts ("not available ");
677 debug ("Status = 0x%02X ", c);
678 #endif
679 } else {
680 puts ("OK ");
681 ide_bus_ok[bus] = 1;
682 }
683 WATCHDOG_RESET();
684 }
685
686 #ifdef CONFIG_AMIGAONEG3SE
687 skip_bus:
688 #endif
689 putc ('\n');
690
691 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
692
693 curr_device = -1;
694 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
695 #ifdef CONFIG_IDE_LED
696 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
697 #endif
698 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
699 ide_dev_desc[i].if_type=IF_TYPE_IDE;
700 ide_dev_desc[i].dev=i;
701 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
702 ide_dev_desc[i].blksz=0;
703 ide_dev_desc[i].lba=0;
704 ide_dev_desc[i].block_read=ide_read;
705 if (!ide_bus_ok[IDE_BUS(i)])
706 continue;
707 ide_led (led, 1); /* LED on */
708 ide_ident(&ide_dev_desc[i]);
709 ide_led (led, 0); /* LED off */
710 dev_print(&ide_dev_desc[i]);
711 /* ide_print (i); */
712 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
713 init_part (&ide_dev_desc[i]); /* initialize partition type */
714 if (curr_device < 0)
715 curr_device = i;
716 }
717 }
718 WATCHDOG_RESET();
719 }
720
721 /* ------------------------------------------------------------------------- */
722
723 block_dev_desc_t * ide_get_dev(int dev)
724 {
725 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
726 }
727
728
729 #ifdef CONFIG_IDE_8xx_DIRECT
730
731 static void
732 set_pcmcia_timing (int pmode)
733 {
734 volatile immap_t *immr = (immap_t *)CFG_IMMR;
735 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
736 ulong timings;
737
738 debug ("Set timing for PIO Mode %d\n", pmode);
739
740 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
741 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
742 | PCMCIA_SL (pio_config_clk[pmode].t_length)
743 ;
744
745 /* IDE 0
746 */
747 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
748 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
749 #if (CFG_PCMCIA_POR0 != 0)
750 | timings
751 #endif
752 ;
753 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
754
755 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
756 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
757 #if (CFG_PCMCIA_POR1 != 0)
758 | timings
759 #endif
760 ;
761 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
762
763 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
764 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
765 #if (CFG_PCMCIA_POR2 != 0)
766 | timings
767 #endif
768 ;
769 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
770
771 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
772 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
773 #if (CFG_PCMCIA_POR3 != 0)
774 | timings
775 #endif
776 ;
777 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
778
779 /* IDE 1
780 */
781 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
782 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
783 #if (CFG_PCMCIA_POR4 != 0)
784 | timings
785 #endif
786 ;
787 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
788
789 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
790 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
791 #if (CFG_PCMCIA_POR5 != 0)
792 | timings
793 #endif
794 ;
795 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
796
797 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
798 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
799 #if (CFG_PCMCIA_POR6 != 0)
800 | timings
801 #endif
802 ;
803 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
804
805 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
806 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
807 #if (CFG_PCMCIA_POR7 != 0)
808 | timings
809 #endif
810 ;
811 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
812
813 }
814
815 #endif /* CONFIG_IDE_8xx_DIRECT */
816
817 /* ------------------------------------------------------------------------- */
818
819 void inline
820 __ide_outb(int dev, int port, unsigned char val)
821 {
822 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
823 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
824 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
825 }
826 void inline ide_outb (int dev, int port, unsigned char val)
827 __attribute__((weak, alias("__ide_outb")));
828
829 unsigned char inline
830 __ide_inb(int dev, int port)
831 {
832 uchar val;
833 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
834 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
835 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
836 return val;
837 }
838 unsigned char inline ide_inb(int dev, int port)
839 __attribute__((weak, alias("__ide_inb")));
840
841 #ifdef __PPC__
842 # ifdef CONFIG_AMIGAONEG3SE
843 static void
844 output_data_short(int dev, ulong *sect_buf, int words)
845 {
846 ushort *dbuf;
847 volatile ushort *pbuf;
848
849 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
850 dbuf = (ushort *)sect_buf;
851 while (words--) {
852 EIEIO;
853 *pbuf = *dbuf++;
854 EIEIO;
855 }
856
857 if (words&1)
858 *pbuf = 0;
859 }
860 # endif /* CONFIG_AMIGAONEG3SE */
861 #endif /* __PPC_ */
862
863 /* We only need to swap data if we are running on a big endian cpu. */
864 /* But Au1x00 cpu:s already swaps data in big endian mode! */
865 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
866 #define input_swap_data(x,y,z) input_data(x,y,z)
867 #else
868 static void
869 input_swap_data(int dev, ulong *sect_buf, int words)
870 {
871 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
872 uchar i;
873 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
874 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
875 ushort *dbuf = (ushort *)sect_buf;
876
877 while (words--) {
878 for (i=0; i<2; i++) {
879 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
880 *(uchar *)dbuf = *pbuf_odd;
881 dbuf+=1;
882 }
883 }
884 #else
885 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
886 ushort *dbuf = (ushort *)sect_buf;
887
888 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
889
890 while (words--) {
891 #ifdef __MIPS__
892 *dbuf++ = swab16p((u16*)pbuf);
893 *dbuf++ = swab16p((u16*)pbuf);
894 #elif defined(CONFIG_PCS440EP)
895 *dbuf++ = *pbuf;
896 *dbuf++ = *pbuf;
897 #else
898 *dbuf++ = ld_le16(pbuf);
899 *dbuf++ = ld_le16(pbuf);
900 #endif /* !MIPS */
901 }
902 #endif
903 }
904 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
905
906
907 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
908 static void
909 output_data(int dev, ulong *sect_buf, int words)
910 {
911 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
912 uchar *dbuf;
913 volatile uchar *pbuf_even;
914 volatile uchar *pbuf_odd;
915
916 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
917 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
918 dbuf = (uchar *)sect_buf;
919 while (words--) {
920 EIEIO;
921 *pbuf_even = *dbuf++;
922 EIEIO;
923 *pbuf_odd = *dbuf++;
924 EIEIO;
925 *pbuf_even = *dbuf++;
926 EIEIO;
927 *pbuf_odd = *dbuf++;
928 }
929 #else
930 ushort *dbuf;
931 volatile ushort *pbuf;
932
933 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
934 dbuf = (ushort *)sect_buf;
935 while (words--) {
936 #if defined(CONFIG_PCS440EP)
937 /* not tested, because CF was write protected */
938 EIEIO;
939 *pbuf = ld_le16(dbuf++);
940 EIEIO;
941 *pbuf = ld_le16(dbuf++);
942 #else
943 EIEIO;
944 *pbuf = *dbuf++;
945 EIEIO;
946 *pbuf = *dbuf++;
947 #endif
948 }
949 #endif
950 }
951 #else /* ! __PPC__ */
952 static void
953 output_data(int dev, ulong *sect_buf, int words)
954 {
955 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
956 }
957 #endif /* __PPC__ */
958
959 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
960 static void
961 input_data(int dev, ulong *sect_buf, int words)
962 {
963 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
964 uchar *dbuf;
965 volatile uchar *pbuf_even;
966 volatile uchar *pbuf_odd;
967
968 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
969 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
970 dbuf = (uchar *)sect_buf;
971 while (words--) {
972 *dbuf++ = *pbuf_even;
973 EIEIO;
974 SYNC;
975 *dbuf++ = *pbuf_odd;
976 EIEIO;
977 SYNC;
978 *dbuf++ = *pbuf_even;
979 EIEIO;
980 SYNC;
981 *dbuf++ = *pbuf_odd;
982 EIEIO;
983 SYNC;
984 }
985 #else
986 ushort *dbuf;
987 volatile ushort *pbuf;
988
989 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
990 dbuf = (ushort *)sect_buf;
991
992 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
993
994 while (words--) {
995 #if defined(CONFIG_PCS440EP)
996 EIEIO;
997 *dbuf++ = ld_le16(pbuf);
998 EIEIO;
999 *dbuf++ = ld_le16(pbuf);
1000 #else
1001 EIEIO;
1002 *dbuf++ = *pbuf;
1003 EIEIO;
1004 *dbuf++ = *pbuf;
1005 #endif
1006 }
1007 #endif
1008 }
1009 #else /* ! __PPC__ */
1010 static void
1011 input_data(int dev, ulong *sect_buf, int words)
1012 {
1013 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1014 }
1015
1016 #endif /* __PPC__ */
1017
1018 #ifdef CONFIG_AMIGAONEG3SE
1019 static void
1020 input_data_short(int dev, ulong *sect_buf, int words)
1021 {
1022 ushort *dbuf;
1023 volatile ushort *pbuf;
1024
1025 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1026 dbuf = (ushort *)sect_buf;
1027 while (words--) {
1028 EIEIO;
1029 *dbuf++ = *pbuf;
1030 EIEIO;
1031 }
1032
1033 if (words&1) {
1034 ushort dummy;
1035 dummy = *pbuf;
1036 }
1037 }
1038 #endif
1039
1040 /* -------------------------------------------------------------------------
1041 */
1042 static void ide_ident (block_dev_desc_t *dev_desc)
1043 {
1044 ulong iobuf[ATA_SECTORWORDS];
1045 unsigned char c;
1046 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1047
1048 #ifdef CONFIG_AMIGAONEG3SE
1049 int max_bus_scan;
1050 char *s;
1051 #endif
1052 #ifdef CONFIG_ATAPI
1053 int retries = 0;
1054 int do_retry = 0;
1055 #endif
1056
1057 #if 0
1058 int mode, cycle_time;
1059 #endif
1060 int device;
1061 device=dev_desc->dev;
1062 printf (" Device %d: ", device);
1063
1064 #ifdef CONFIG_AMIGAONEG3SE
1065 s = getenv("ide_maxbus");
1066 if (s) {
1067 max_bus_scan = simple_strtol(s, NULL, 10);
1068 } else {
1069 max_bus_scan = CFG_IDE_MAXBUS;
1070 }
1071 if (device >= max_bus_scan*2) {
1072 dev_desc->type=DEV_TYPE_UNKNOWN;
1073 return;
1074 }
1075 #endif
1076
1077 ide_led (DEVICE_LED(device), 1); /* LED on */
1078 /* Select device
1079 */
1080 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1081 dev_desc->if_type=IF_TYPE_IDE;
1082 #ifdef CONFIG_ATAPI
1083
1084 do_retry = 0;
1085 retries = 0;
1086
1087 /* Warning: This will be tricky to read */
1088 while (retries <= 1) {
1089 /* check signature */
1090 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1091 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1092 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1093 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1094 /* ATAPI Signature found */
1095 dev_desc->if_type=IF_TYPE_ATAPI;
1096 /* Start Ident Command
1097 */
1098 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1099 /*
1100 * Wait for completion - ATAPI devices need more time
1101 * to become ready
1102 */
1103 c = ide_wait (device, ATAPI_TIME_OUT);
1104 } else
1105 #endif
1106 {
1107 /* Start Ident Command
1108 */
1109 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1110
1111 /* Wait for completion
1112 */
1113 c = ide_wait (device, IDE_TIME_OUT);
1114 }
1115 ide_led (DEVICE_LED(device), 0); /* LED off */
1116
1117 if (((c & ATA_STAT_DRQ) == 0) ||
1118 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1119 #ifdef CONFIG_ATAPI
1120 #ifdef CONFIG_AMIGAONEG3SE
1121 s = getenv("ide_doreset");
1122 if (s && strcmp(s, "on") == 0)
1123 #endif
1124 {
1125 /* Need to soft reset the device in case it's an ATAPI... */
1126 debug ("Retrying...\n");
1127 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1128 udelay(100000);
1129 ide_outb (device, ATA_COMMAND, 0x08);
1130 udelay (500000); /* 500 ms */
1131 }
1132 /* Select device
1133 */
1134 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1135 retries++;
1136 #else
1137 return;
1138 #endif
1139 }
1140 #ifdef CONFIG_ATAPI
1141 else
1142 break;
1143 } /* see above - ugly to read */
1144
1145 if (retries == 2) /* Not found */
1146 return;
1147 #endif
1148
1149 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1150
1151 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1152 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1153 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1154 #ifdef __LITTLE_ENDIAN
1155 /*
1156 * firmware revision and model number have Big Endian Byte
1157 * order in Word. Convert both to little endian.
1158 *
1159 * See CF+ and CompactFlash Specification Revision 2.0:
1160 * 6.2.1.6: Identfy Drive, Table 39 for more details
1161 */
1162
1163 strswab (dev_desc->revision);
1164 strswab (dev_desc->vendor);
1165 #endif /* __LITTLE_ENDIAN */
1166
1167 if ((iop->config & 0x0080)==0x0080)
1168 dev_desc->removable = 1;
1169 else
1170 dev_desc->removable = 0;
1171
1172 #if 0
1173 /*
1174 * Drive PIO mode autoselection
1175 */
1176 mode = iop->tPIO;
1177
1178 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1179 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1180 mode = 2;
1181 debug ("Override tPIO -> 2\n");
1182 }
1183 if (iop->field_valid & 2) { /* drive implements ATA2? */
1184 debug ("Drive implements ATA2\n");
1185 if (iop->capability & 8) { /* drive supports use_iordy? */
1186 cycle_time = iop->eide_pio_iordy;
1187 } else {
1188 cycle_time = iop->eide_pio;
1189 }
1190 debug ("cycle time = %d\n", cycle_time);
1191 mode = 4;
1192 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1193 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1194 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1195 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1196 }
1197 printf ("PIO mode to use: PIO %d\n", mode);
1198 #endif /* 0 */
1199
1200 #ifdef CONFIG_ATAPI
1201 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1202 atapi_inquiry(dev_desc);
1203 return;
1204 }
1205 #endif /* CONFIG_ATAPI */
1206
1207 #ifdef __BIG_ENDIAN
1208 /* swap shorts */
1209 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1210 #else /* ! __BIG_ENDIAN */
1211 /*
1212 * do not swap shorts on little endian
1213 *
1214 * See CF+ and CompactFlash Specification Revision 2.0:
1215 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1216 */
1217 dev_desc->lba = iop->lba_capacity;
1218 #endif /* __BIG_ENDIAN */
1219
1220 #ifdef CONFIG_LBA48
1221 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1222 dev_desc->lba48 = 1;
1223 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1224 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1225 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1226 ((unsigned long long)iop->lba48_capacity[3] << 48);
1227 } else {
1228 dev_desc->lba48 = 0;
1229 }
1230 #endif /* CONFIG_LBA48 */
1231 /* assuming HD */
1232 dev_desc->type=DEV_TYPE_HARDDISK;
1233 dev_desc->blksz=ATA_BLOCKSIZE;
1234 dev_desc->lun=0; /* just to fill something in... */
1235
1236 #if 0 /* only used to test the powersaving mode,
1237 * if enabled, the drive goes after 5 sec
1238 * in standby mode */
1239 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1240 c = ide_wait (device, IDE_TIME_OUT);
1241 ide_outb (device, ATA_SECT_CNT, 1);
1242 ide_outb (device, ATA_LBA_LOW, 0);
1243 ide_outb (device, ATA_LBA_MID, 0);
1244 ide_outb (device, ATA_LBA_HIGH, 0);
1245 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1246 ide_outb (device, ATA_COMMAND, 0xe3);
1247 udelay (50);
1248 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1249 #endif
1250 }
1251
1252
1253 /* ------------------------------------------------------------------------- */
1254
1255 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1256 {
1257 ulong n = 0;
1258 unsigned char c;
1259 unsigned char pwrsave=0; /* power save */
1260 #ifdef CONFIG_LBA48
1261 unsigned char lba48 = 0;
1262
1263 if (blknr & 0x0000fffff0000000ULL) {
1264 /* more than 28 bits used, use 48bit mode */
1265 lba48 = 1;
1266 }
1267 #endif
1268 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1269 device, blknr, blkcnt, (ulong)buffer);
1270
1271 ide_led (DEVICE_LED(device), 1); /* LED on */
1272
1273 /* Select device
1274 */
1275 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
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 goto IDE_READ_E;
1281 }
1282
1283 /* first check if the drive is in Powersaving mode, if yes,
1284 * increase the timeout value */
1285 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1286 udelay (50);
1287
1288 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1289
1290 if (c & ATA_STAT_BUSY) {
1291 printf ("IDE read: device %d not ready\n", device);
1292 goto IDE_READ_E;
1293 }
1294 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1295 printf ("No Powersaving mode %X\n", c);
1296 } else {
1297 c = ide_inb(device,ATA_SECT_CNT);
1298 debug ("Powersaving %02X\n",c);
1299 if(c==0)
1300 pwrsave=1;
1301 }
1302
1303
1304 while (blkcnt-- > 0) {
1305
1306 c = ide_wait (device, IDE_TIME_OUT);
1307
1308 if (c & ATA_STAT_BUSY) {
1309 printf ("IDE read: device %d not ready\n", device);
1310 break;
1311 }
1312 #ifdef CONFIG_LBA48
1313 if (lba48) {
1314 /* write high bits */
1315 ide_outb (device, ATA_SECT_CNT, 0);
1316 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1317 #ifdef CFG_64BIT_LBA
1318 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1319 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1320 #else
1321 ide_outb (device, ATA_LBA_MID, 0);
1322 ide_outb (device, ATA_LBA_HIGH, 0);
1323 #endif
1324 }
1325 #endif
1326 ide_outb (device, ATA_SECT_CNT, 1);
1327 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1328 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1329 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1330
1331 #ifdef CONFIG_LBA48
1332 if (lba48) {
1333 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1334 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1335
1336 } else
1337 #endif
1338 {
1339 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1340 ATA_DEVICE(device) |
1341 ((blknr >> 24) & 0xF) );
1342 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1343 }
1344
1345 udelay (50);
1346
1347 if(pwrsave) {
1348 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1349 pwrsave=0;
1350 } else {
1351 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1352 }
1353
1354 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1355 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1356 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1357 device, blknr, c);
1358 #else
1359 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1360 device, (ulong)blknr, c);
1361 #endif
1362 break;
1363 }
1364
1365 input_data (device, buffer, ATA_SECTORWORDS);
1366 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1367
1368 ++n;
1369 ++blknr;
1370 buffer += ATA_BLOCKSIZE;
1371 }
1372 IDE_READ_E:
1373 ide_led (DEVICE_LED(device), 0); /* LED off */
1374 return (n);
1375 }
1376
1377 /* ------------------------------------------------------------------------- */
1378
1379
1380 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1381 {
1382 ulong n = 0;
1383 unsigned char c;
1384 #ifdef CONFIG_LBA48
1385 unsigned char lba48 = 0;
1386
1387 if (blknr & 0x0000fffff0000000ULL) {
1388 /* more than 28 bits used, use 48bit mode */
1389 lba48 = 1;
1390 }
1391 #endif
1392
1393 ide_led (DEVICE_LED(device), 1); /* LED on */
1394
1395 /* Select device
1396 */
1397 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1398
1399 while (blkcnt-- > 0) {
1400
1401 c = ide_wait (device, IDE_TIME_OUT);
1402
1403 if (c & ATA_STAT_BUSY) {
1404 printf ("IDE read: device %d not ready\n", device);
1405 goto WR_OUT;
1406 }
1407 #ifdef CONFIG_LBA48
1408 if (lba48) {
1409 /* write high bits */
1410 ide_outb (device, ATA_SECT_CNT, 0);
1411 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1412 #ifdef CFG_64BIT_LBA
1413 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1414 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1415 #else
1416 ide_outb (device, ATA_LBA_MID, 0);
1417 ide_outb (device, ATA_LBA_HIGH, 0);
1418 #endif
1419 }
1420 #endif
1421 ide_outb (device, ATA_SECT_CNT, 1);
1422 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1423 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1424 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1425
1426 #ifdef CONFIG_LBA48
1427 if (lba48) {
1428 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1429 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1430
1431 } else
1432 #endif
1433 {
1434 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1435 ATA_DEVICE(device) |
1436 ((blknr >> 24) & 0xF) );
1437 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1438 }
1439
1440 udelay (50);
1441
1442 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1443
1444 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1445 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1446 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1447 device, blknr, c);
1448 #else
1449 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1450 device, (ulong)blknr, c);
1451 #endif
1452 goto WR_OUT;
1453 }
1454
1455 output_data (device, buffer, ATA_SECTORWORDS);
1456 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1457 ++n;
1458 ++blknr;
1459 buffer += ATA_BLOCKSIZE;
1460 }
1461 WR_OUT:
1462 ide_led (DEVICE_LED(device), 0); /* LED off */
1463 return (n);
1464 }
1465
1466 /* ------------------------------------------------------------------------- */
1467
1468 /*
1469 * copy src to dest, skipping leading and trailing blanks and null
1470 * terminate the string
1471 * "len" is the size of available memory including the terminating '\0'
1472 */
1473 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1474 {
1475 unsigned char *end, *last;
1476
1477 last = dst;
1478 end = src + len - 1;
1479
1480 /* reserve space for '\0' */
1481 if (len < 2)
1482 goto OUT;
1483
1484 /* skip leading white space */
1485 while ((*src) && (src<end) && (*src==' '))
1486 ++src;
1487
1488 /* copy string, omitting trailing white space */
1489 while ((*src) && (src<end)) {
1490 *dst++ = *src;
1491 if (*src++ != ' ')
1492 last = dst;
1493 }
1494 OUT:
1495 *last = '\0';
1496 }
1497
1498 /* ------------------------------------------------------------------------- */
1499
1500 /*
1501 * Wait until Busy bit is off, or timeout (in ms)
1502 * Return last status
1503 */
1504 static uchar ide_wait (int dev, ulong t)
1505 {
1506 ulong delay = 10 * t; /* poll every 100 us */
1507 uchar c;
1508
1509 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1510 udelay (100);
1511 if (delay-- == 0) {
1512 break;
1513 }
1514 }
1515 return (c);
1516 }
1517
1518 /* ------------------------------------------------------------------------- */
1519
1520 #ifdef CONFIG_IDE_RESET
1521 extern void ide_set_reset(int idereset);
1522
1523 static void ide_reset (void)
1524 {
1525 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1526 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1527 #endif
1528 int i;
1529
1530 curr_device = -1;
1531 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1532 ide_bus_ok[i] = 0;
1533 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1534 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1535
1536 ide_set_reset (1); /* assert reset */
1537
1538 /* the reset signal shall be asserted for et least 25 us */
1539 udelay(25);
1540
1541 WATCHDOG_RESET();
1542
1543 #ifdef CFG_PB_12V_ENABLE
1544 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1545 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1546 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1547 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1548
1549 /* wait 500 ms for the voltage to stabilize
1550 */
1551 for (i=0; i<500; ++i) {
1552 udelay (1000);
1553 }
1554
1555 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1556 #endif /* CFG_PB_12V_ENABLE */
1557
1558 #ifdef CFG_PB_IDE_MOTOR
1559 /* configure IDE Motor voltage monitor pin as input */
1560 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1561 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1562 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1563
1564 /* wait up to 1 s for the motor voltage to stabilize
1565 */
1566 for (i=0; i<1000; ++i) {
1567 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1568 break;
1569 }
1570 udelay (1000);
1571 }
1572
1573 if (i == 1000) { /* Timeout */
1574 printf ("\nWarning: 5V for IDE Motor missing\n");
1575 # ifdef CONFIG_STATUS_LED
1576 # ifdef STATUS_LED_YELLOW
1577 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1578 # endif
1579 # ifdef STATUS_LED_GREEN
1580 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1581 # endif
1582 # endif /* CONFIG_STATUS_LED */
1583 }
1584 #endif /* CFG_PB_IDE_MOTOR */
1585
1586 WATCHDOG_RESET();
1587
1588 /* de-assert RESET signal */
1589 ide_set_reset(0);
1590
1591 /* wait 250 ms */
1592 for (i=0; i<250; ++i) {
1593 udelay (1000);
1594 }
1595 }
1596
1597 #endif /* CONFIG_IDE_RESET */
1598
1599 /* ------------------------------------------------------------------------- */
1600
1601 #if defined(CONFIG_IDE_LED) && \
1602 !defined(CONFIG_AMIGAONEG3SE)&& \
1603 !defined(CONFIG_CPC45) && \
1604 !defined(CONFIG_HMI10) && \
1605 !defined(CONFIG_KUP4K) && \
1606 !defined(CONFIG_KUP4X)
1607
1608 static uchar led_buffer = 0; /* Buffer for current LED status */
1609
1610 static void ide_led (uchar led, uchar status)
1611 {
1612 uchar *led_port = LED_PORT;
1613
1614 if (status) { /* switch LED on */
1615 led_buffer |= led;
1616 } else { /* switch LED off */
1617 led_buffer &= ~led;
1618 }
1619
1620 *led_port = led_buffer;
1621 }
1622
1623 #endif /* CONFIG_IDE_LED */
1624
1625 /* ------------------------------------------------------------------------- */
1626
1627 #ifdef CONFIG_ATAPI
1628 /****************************************************************************
1629 * ATAPI Support
1630 */
1631
1632 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1633 /* since ATAPI may use commands with not 4 bytes alligned length
1634 * we have our own transfer functions, 2 bytes alligned */
1635 static void
1636 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1637 {
1638 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1639 uchar *dbuf;
1640 volatile uchar *pbuf_even;
1641 volatile uchar *pbuf_odd;
1642
1643 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1644 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1645 while (shorts--) {
1646 EIEIO;
1647 *pbuf_even = *dbuf++;
1648 EIEIO;
1649 *pbuf_odd = *dbuf++;
1650 }
1651 #else
1652 ushort *dbuf;
1653 volatile ushort *pbuf;
1654
1655 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1656 dbuf = (ushort *)sect_buf;
1657
1658 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1659
1660 while (shorts--) {
1661 EIEIO;
1662 *pbuf = *dbuf++;
1663 }
1664 #endif
1665 }
1666
1667 static void
1668 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1669 {
1670 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1671 uchar *dbuf;
1672 volatile uchar *pbuf_even;
1673 volatile uchar *pbuf_odd;
1674
1675 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1676 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1677 while (shorts--) {
1678 EIEIO;
1679 *dbuf++ = *pbuf_even;
1680 EIEIO;
1681 *dbuf++ = *pbuf_odd;
1682 }
1683 #else
1684 ushort *dbuf;
1685 volatile ushort *pbuf;
1686
1687 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1688 dbuf = (ushort *)sect_buf;
1689
1690 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1691
1692 while (shorts--) {
1693 EIEIO;
1694 *dbuf++ = *pbuf;
1695 }
1696 #endif
1697 }
1698
1699 #else /* ! __PPC__ */
1700 static void
1701 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1702 {
1703 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1704 }
1705
1706 static void
1707 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1708 {
1709 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1710 }
1711
1712 #endif /* __PPC__ */
1713
1714 /*
1715 * Wait until (Status & mask) == res, or timeout (in ms)
1716 * Return last status
1717 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1718 * and then they set their DRQ Bit
1719 */
1720 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1721 {
1722 ulong delay = 10 * t; /* poll every 100 us */
1723 uchar c;
1724
1725 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1726 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1727 /* break if error occurs (doesn't make sense to wait more) */
1728 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1729 break;
1730 udelay (100);
1731 if (delay-- == 0) {
1732 break;
1733 }
1734 }
1735 return (c);
1736 }
1737
1738 /*
1739 * issue an atapi command
1740 */
1741 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1742 {
1743 unsigned char c,err,mask,res;
1744 int n;
1745 ide_led (DEVICE_LED(device), 1); /* LED on */
1746
1747 /* Select device
1748 */
1749 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1750 res = 0;
1751 #ifdef CONFIG_AMIGAONEG3SE
1752 # warning THF: Removed LBA mode ???
1753 #endif
1754 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1755 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1756 if ((c & mask) != res) {
1757 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1758 err=0xFF;
1759 goto AI_OUT;
1760 }
1761 /* write taskfile */
1762 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1763 ide_outb (device, ATA_SECT_CNT, 0);
1764 ide_outb (device, ATA_SECT_NUM, 0);
1765 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1766 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1767 #ifdef CONFIG_AMIGAONEG3SE
1768 # warning THF: Removed LBA mode ???
1769 #endif
1770 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1771
1772 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1773 udelay (50);
1774
1775 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1776 res = ATA_STAT_DRQ;
1777 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1778
1779 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1780 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1781 err=0xFF;
1782 goto AI_OUT;
1783 }
1784
1785 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1786 /* ATAPI Command written wait for completition */
1787 udelay (5000); /* device must set bsy */
1788
1789 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1790 /* if no data wait for DRQ = 0 BSY = 0
1791 * if data wait for DRQ = 1 BSY = 0 */
1792 res=0;
1793 if(buflen)
1794 res = ATA_STAT_DRQ;
1795 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1796 if ((c & mask) != res ) {
1797 if (c & ATA_STAT_ERR) {
1798 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1799 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1800 } else {
1801 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1802 err=0xFF;
1803 }
1804 goto AI_OUT;
1805 }
1806 n=ide_inb(device, ATA_CYL_HIGH);
1807 n<<=8;
1808 n+=ide_inb(device, ATA_CYL_LOW);
1809 if(n>buflen) {
1810 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1811 err=0xff;
1812 goto AI_OUT;
1813 }
1814 if((n==0)&&(buflen<0)) {
1815 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1816 err=0xff;
1817 goto AI_OUT;
1818 }
1819 if(n!=buflen) {
1820 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1821 }
1822 if(n!=0) { /* data transfer */
1823 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1824 /* we transfer shorts */
1825 n>>=1;
1826 /* ok now decide if it is an in or output */
1827 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1828 debug ("Write to device\n");
1829 output_data_shorts(device,(unsigned short *)buffer,n);
1830 } else {
1831 debug ("Read from device @ %p shorts %d\n",buffer,n);
1832 input_data_shorts(device,(unsigned short *)buffer,n);
1833 }
1834 }
1835 udelay(5000); /* seems that some CD ROMs need this... */
1836 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1837 res=0;
1838 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1839 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1840 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1841 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1842 } else {
1843 err = 0;
1844 }
1845 AI_OUT:
1846 ide_led (DEVICE_LED(device), 0); /* LED off */
1847 return (err);
1848 }
1849
1850 /*
1851 * sending the command to atapi_issue. If an status other than good
1852 * returns, an request_sense will be issued
1853 */
1854
1855 #define ATAPI_DRIVE_NOT_READY 100
1856 #define ATAPI_UNIT_ATTN 10
1857
1858 unsigned char atapi_issue_autoreq (int device,
1859 unsigned char* ccb,
1860 int ccblen,
1861 unsigned char *buffer,
1862 int buflen)
1863 {
1864 unsigned char sense_data[18],sense_ccb[12];
1865 unsigned char res,key,asc,ascq;
1866 int notready,unitattn;
1867
1868 #ifdef CONFIG_AMIGAONEG3SE
1869 char *s;
1870 unsigned int timeout, retrycnt;
1871
1872 s = getenv("ide_cd_timeout");
1873 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1874
1875 retrycnt = 0;
1876 #endif
1877
1878 unitattn=ATAPI_UNIT_ATTN;
1879 notready=ATAPI_DRIVE_NOT_READY;
1880
1881 retry:
1882 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1883 if (res==0)
1884 return (0); /* Ok */
1885
1886 if (res==0xFF)
1887 return (0xFF); /* error */
1888
1889 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1890
1891 memset(sense_ccb,0,sizeof(sense_ccb));
1892 memset(sense_data,0,sizeof(sense_data));
1893 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1894 sense_ccb[4]=18; /* allocation Length */
1895
1896 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1897 key=(sense_data[2]&0xF);
1898 asc=(sense_data[12]);
1899 ascq=(sense_data[13]);
1900
1901 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1902 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1903 sense_data[0],
1904 key,
1905 asc,
1906 ascq);
1907
1908 if((key==0))
1909 return 0; /* ok device ready */
1910
1911 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1912 if(unitattn-->0) {
1913 udelay(200*1000);
1914 goto retry;
1915 }
1916 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1917 goto error;
1918 }
1919 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1920 if (notready-->0) {
1921 udelay(200*1000);
1922 goto retry;
1923 }
1924 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1925 goto error;
1926 }
1927 if(asc==0x3a) {
1928 debug ("Media not present\n");
1929 goto error;
1930 }
1931
1932 #ifdef CONFIG_AMIGAONEG3SE
1933 if ((sense_data[2]&0xF)==0x0B) {
1934 debug ("ABORTED COMMAND...retry\n");
1935 if (retrycnt++ < 4)
1936 goto retry;
1937 return (0xFF);
1938 }
1939
1940 if ((sense_data[2]&0xf) == 0x02 &&
1941 sense_data[12] == 0x04 &&
1942 sense_data[13] == 0x01 ) {
1943 debug ("Waiting for unit to become active\n");
1944 udelay(timeout);
1945 if (retrycnt++ < 4)
1946 goto retry;
1947 return 0xFF;
1948 }
1949 #endif /* CONFIG_AMIGAONEG3SE */
1950
1951 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1952 error:
1953 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1954 return (0xFF);
1955 }
1956
1957
1958 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1959 {
1960 unsigned char ccb[12]; /* Command descriptor block */
1961 unsigned char iobuf[64]; /* temp buf */
1962 unsigned char c;
1963 int device;
1964
1965 device=dev_desc->dev;
1966 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1967 dev_desc->block_read=atapi_read;
1968
1969 memset(ccb,0,sizeof(ccb));
1970 memset(iobuf,0,sizeof(iobuf));
1971
1972 ccb[0]=ATAPI_CMD_INQUIRY;
1973 ccb[4]=40; /* allocation Legnth */
1974 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1975
1976 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1977 if (c!=0)
1978 return;
1979
1980 /* copy device ident strings */
1981 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1982 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1983 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1984
1985 dev_desc->lun=0;
1986 dev_desc->lba=0;
1987 dev_desc->blksz=0;
1988 dev_desc->type=iobuf[0] & 0x1f;
1989
1990 if ((iobuf[1]&0x80)==0x80)
1991 dev_desc->removable = 1;
1992 else
1993 dev_desc->removable = 0;
1994
1995 memset(ccb,0,sizeof(ccb));
1996 memset(iobuf,0,sizeof(iobuf));
1997 ccb[0]=ATAPI_CMD_START_STOP;
1998 ccb[4]=0x03; /* start */
1999
2000 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2001
2002 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
2003 if (c!=0)
2004 return;
2005
2006 memset(ccb,0,sizeof(ccb));
2007 memset(iobuf,0,sizeof(iobuf));
2008 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2009
2010 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
2011 if (c!=0)
2012 return;
2013
2014 memset(ccb,0,sizeof(ccb));
2015 memset(iobuf,0,sizeof(iobuf));
2016 ccb[0]=ATAPI_CMD_READ_CAP;
2017 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
2018 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
2019 if (c!=0)
2020 return;
2021
2022 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2023 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2024 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2025
2026 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2027 ((unsigned long)iobuf[1]<<16) +
2028 ((unsigned long)iobuf[2]<< 8) +
2029 ((unsigned long)iobuf[3]);
2030 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2031 ((unsigned long)iobuf[5]<<16) +
2032 ((unsigned long)iobuf[6]<< 8) +
2033 ((unsigned long)iobuf[7]);
2034 #ifdef CONFIG_LBA48
2035 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2036 #endif
2037 return;
2038 }
2039
2040
2041 /*
2042 * atapi_read:
2043 * we transfer only one block per command, since the multiple DRQ per
2044 * command is not yet implemented
2045 */
2046 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2047 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2048 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2049
2050 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2051 {
2052 ulong n = 0;
2053 unsigned char ccb[12]; /* Command descriptor block */
2054 ulong cnt;
2055
2056 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2057 device, blknr, blkcnt, (ulong)buffer);
2058
2059 do {
2060 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2061 cnt=ATAPI_READ_MAX_BLOCK;
2062 } else {
2063 cnt=blkcnt;
2064 }
2065 ccb[0]=ATAPI_CMD_READ_12;
2066 ccb[1]=0; /* reserved */
2067 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2068 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2069 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2070 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2071 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2072 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2073 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2074 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2075 ccb[10]=0; /* reserved */
2076 ccb[11]=0; /* reserved */
2077
2078 if (atapi_issue_autoreq(device,ccb,12,
2079 (unsigned char *)buffer,
2080 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2081 return (n);
2082 }
2083 n+=cnt;
2084 blkcnt-=cnt;
2085 blknr+=cnt;
2086 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2087 } while (blkcnt > 0);
2088 return (n);
2089 }
2090
2091 /* ------------------------------------------------------------------------- */
2092
2093 #endif /* CONFIG_ATAPI */
2094
2095 U_BOOT_CMD(
2096 ide, 5, 1, do_ide,
2097 "ide - IDE sub-system\n",
2098 "reset - reset IDE controller\n"
2099 "ide info - show available IDE devices\n"
2100 "ide device [dev] - show or set current device\n"
2101 "ide part [dev] - print partition table of one or all IDE devices\n"
2102 "ide read addr blk# cnt\n"
2103 "ide write addr blk# cnt - read/write `cnt'"
2104 " blocks starting at block `blk#'\n"
2105 " to/from memory address `addr'\n"
2106 );
2107
2108 U_BOOT_CMD(
2109 diskboot, 3, 1, do_diskboot,
2110 "diskboot- boot from IDE device\n",
2111 "loadAddr dev:part\n"
2112 );
"Das U-Boot" Source Tree