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Code cleanup; make several boards compile & link.
[people/ms/u-boot.git] / common / cmd_ide.c
1 /*
2 * (C) Copyright 2000-2002
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 static 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
64 #undef IDE_DEBUG
65
66
67 #ifdef IDE_DEBUG
68 #define PRINTF(fmt,args...) printf (fmt ,##args)
69 #else
70 #define PRINTF(fmt,args...)
71 #endif
72
73 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
74
75 #ifdef CONFIG_IDE_8xx_DIRECT
76 /* Timings for IDE Interface
77 *
78 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
79 * 70 165 30 PIO-Mode 0, [ns]
80 * 4 9 2 [Cycles]
81 * 50 125 20 PIO-Mode 1, [ns]
82 * 3 7 2 [Cycles]
83 * 30 100 15 PIO-Mode 2, [ns]
84 * 2 6 1 [Cycles]
85 * 30 80 10 PIO-Mode 3, [ns]
86 * 2 5 1 [Cycles]
87 * 25 70 10 PIO-Mode 4, [ns]
88 * 2 4 1 [Cycles]
89 */
90
91 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
92 {
93 /* Setup Length Hold */
94 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
95 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
96 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
97 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
98 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
99 };
100
101 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
102
103 #ifndef CFG_PIO_MODE
104 #define CFG_PIO_MODE 0 /* use a relaxed default */
105 #endif
106 static int pio_mode = CFG_PIO_MODE;
107
108 /* Make clock cycles and always round up */
109
110 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
111
112 #endif /* CONFIG_IDE_8xx_DIRECT */
113
114 /* ------------------------------------------------------------------------- */
115
116 /* Current I/O Device */
117 static int curr_device = -1;
118
119 /* Current offset for IDE0 / IDE1 bus access */
120 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
121 #if defined(CFG_ATA_IDE0_OFFSET)
122 CFG_ATA_IDE0_OFFSET,
123 #endif
124 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
125 CFG_ATA_IDE1_OFFSET,
126 #endif
127 };
128
129
130 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
131
132 #ifndef CONFIG_AMIGAONEG3SE
133 static int ide_bus_ok[CFG_IDE_MAXBUS];
134 #else
135 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
136 #endif
137
138 static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
139 /* ------------------------------------------------------------------------- */
140
141 #ifdef CONFIG_IDE_LED
142 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_HMI10)
143 static void ide_led (uchar led, uchar status);
144 #else
145 extern void ide_led (uchar led, uchar status);
146 #endif
147 #else
148 #ifndef CONFIG_AMIGAONEG3SE
149 #define ide_led(a,b) /* dummy */
150 #else
151 extern void ide_led(uchar led, uchar status);
152 #define LED_IDE1 1
153 #define LED_IDE2 2
154 #define CONFIG_IDE_LED 1
155 #define DEVICE_LED(x) 1
156 #endif
157 #endif
158
159 #ifdef CONFIG_IDE_RESET
160 static void ide_reset (void);
161 #else
162 #define ide_reset() /* dummy */
163 #endif
164
165 static void ide_ident (block_dev_desc_t *dev_desc);
166 static uchar ide_wait (int dev, ulong t);
167
168 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
169
170 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
171
172 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
173
174 static void __inline__ ide_outb(int dev, int port, unsigned char val);
175 static unsigned char __inline__ ide_inb(int dev, int port);
176 static void input_data(int dev, ulong *sect_buf, int words);
177 static void output_data(int dev, ulong *sect_buf, int words);
178 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
179
180
181 #ifdef CONFIG_ATAPI
182 static void atapi_inquiry(block_dev_desc_t *dev_desc);
183 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
184 #endif
185
186
187 #ifdef CONFIG_IDE_8xx_DIRECT
188 static void set_pcmcia_timing (int pmode);
189 #endif
190
191 /* ------------------------------------------------------------------------- */
192
193 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
194 {
195 int rcode = 0;
196
197 switch (argc) {
198 case 0:
199 case 1:
200 printf ("Usage:\n%s\n", cmdtp->usage);
201 return 1;
202 case 2:
203 if (strncmp(argv[1],"res",3) == 0) {
204 puts ("\nReset IDE"
205 #ifdef CONFIG_IDE_8xx_DIRECT
206 " on PCMCIA " PCMCIA_SLOT_MSG
207 #endif
208 ": ");
209
210 ide_init ();
211 return 0;
212 } else if (strncmp(argv[1],"inf",3) == 0) {
213 int i;
214
215 putc ('\n');
216
217 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
218 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
219 continue; /* list only known devices */
220 printf ("IDE device %d: ", i);
221 dev_print(&ide_dev_desc[i]);
222 }
223 return 0;
224
225 } else if (strncmp(argv[1],"dev",3) == 0) {
226 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
227 puts ("\nno IDE devices available\n");
228 return 1;
229 }
230 printf ("\nIDE device %d: ", curr_device);
231 dev_print(&ide_dev_desc[curr_device]);
232 return 0;
233 } else if (strncmp(argv[1],"part",4) == 0) {
234 int dev, ok;
235
236 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
237 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
238 ++ok;
239 if (dev)
240 putc ('\n');
241 print_part(&ide_dev_desc[dev]);
242 }
243 }
244 if (!ok) {
245 puts ("\nno IDE devices available\n");
246 rcode ++;
247 }
248 return rcode;
249 }
250 printf ("Usage:\n%s\n", cmdtp->usage);
251 return 1;
252 case 3:
253 if (strncmp(argv[1],"dev",3) == 0) {
254 int dev = (int)simple_strtoul(argv[2], NULL, 10);
255
256 printf ("\nIDE device %d: ", dev);
257 if (dev >= CFG_IDE_MAXDEVICE) {
258 puts ("unknown device\n");
259 return 1;
260 }
261 dev_print(&ide_dev_desc[dev]);
262 /*ide_print (dev);*/
263
264 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
265 return 1;
266 }
267
268 curr_device = dev;
269
270 puts ("... is now current device\n");
271
272 return 0;
273 } else if (strncmp(argv[1],"part",4) == 0) {
274 int dev = (int)simple_strtoul(argv[2], NULL, 10);
275
276 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
277 print_part(&ide_dev_desc[dev]);
278 } else {
279 printf ("\nIDE device %d not available\n", dev);
280 rcode = 1;
281 }
282 return rcode;
283 #if 0
284 } else if (strncmp(argv[1],"pio",4) == 0) {
285 int mode = (int)simple_strtoul(argv[2], NULL, 10);
286
287 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
288 puts ("\nSetting ");
289 pio_mode = mode;
290 ide_init ();
291 } else {
292 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
293 mode, IDE_MAX_PIO_MODE);
294 }
295 return;
296 #endif
297 }
298
299 printf ("Usage:\n%s\n", cmdtp->usage);
300 return 1;
301 default:
302 /* at least 4 args */
303
304 if (strcmp(argv[1],"read") == 0) {
305 ulong addr = simple_strtoul(argv[2], NULL, 16);
306 ulong cnt = simple_strtoul(argv[4], NULL, 16);
307 ulong n;
308 #ifdef CFG_64BIT_STRTOUL
309 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
310
311 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
312 curr_device, blk, cnt);
313 #else
314 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
315
316 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
317 curr_device, blk, cnt);
318 #endif
319
320 n = ide_dev_desc[curr_device].block_read (curr_device,
321 blk, cnt,
322 (ulong *)addr);
323 /* flush cache after read */
324 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
325
326 printf ("%ld blocks read: %s\n",
327 n, (n==cnt) ? "OK" : "ERROR");
328 if (n==cnt) {
329 return 0;
330 } else {
331 return 1;
332 }
333 } else if (strcmp(argv[1],"write") == 0) {
334 ulong addr = simple_strtoul(argv[2], NULL, 16);
335 ulong cnt = simple_strtoul(argv[4], NULL, 16);
336 ulong n;
337 #ifdef CFG_64BIT_STRTOUL
338 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
339
340 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
341 curr_device, blk, cnt);
342 #else
343 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
344
345 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
346 curr_device, blk, cnt);
347 #endif
348
349 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
350
351 printf ("%ld blocks written: %s\n",
352 n, (n==cnt) ? "OK" : "ERROR");
353 if (n==cnt) {
354 return 0;
355 } else {
356 return 1;
357 }
358 } else {
359 printf ("Usage:\n%s\n", cmdtp->usage);
360 rcode = 1;
361 }
362
363 return rcode;
364 }
365 }
366
367 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
368 {
369 char *boot_device = NULL;
370 char *ep;
371 int dev, part = 0;
372 ulong cnt;
373 ulong addr;
374 disk_partition_t info;
375 image_header_t *hdr;
376 int rcode = 0;
377
378 switch (argc) {
379 case 1:
380 addr = CFG_LOAD_ADDR;
381 boot_device = getenv ("bootdevice");
382 break;
383 case 2:
384 addr = simple_strtoul(argv[1], NULL, 16);
385 boot_device = getenv ("bootdevice");
386 break;
387 case 3:
388 addr = simple_strtoul(argv[1], NULL, 16);
389 boot_device = argv[2];
390 break;
391 default:
392 printf ("Usage:\n%s\n", cmdtp->usage);
393 SHOW_BOOT_PROGRESS (-1);
394 return 1;
395 }
396
397 if (!boot_device) {
398 puts ("\n** No boot device **\n");
399 SHOW_BOOT_PROGRESS (-1);
400 return 1;
401 }
402
403 dev = simple_strtoul(boot_device, &ep, 16);
404
405 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
406 printf ("\n** Device %d not available\n", dev);
407 SHOW_BOOT_PROGRESS (-1);
408 return 1;
409 }
410
411 if (*ep) {
412 if (*ep != ':') {
413 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
414 SHOW_BOOT_PROGRESS (-1);
415 return 1;
416 }
417 part = simple_strtoul(++ep, NULL, 16);
418 }
419 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
420 SHOW_BOOT_PROGRESS (-1);
421 return 1;
422 }
423 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
424 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
425 printf ("\n** Invalid partition type \"%.32s\""
426 " (expect \"" BOOT_PART_TYPE "\")\n",
427 info.type);
428 SHOW_BOOT_PROGRESS (-1);
429 return 1;
430 }
431
432 printf ("\nLoading from IDE device %d, partition %d: "
433 "Name: %.32s Type: %.32s\n",
434 dev, part, info.name, info.type);
435
436 PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
437 info.start, info.size, info.blksz);
438
439 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
440 printf ("** Read error on %d:%d\n", dev, part);
441 SHOW_BOOT_PROGRESS (-1);
442 return 1;
443 }
444
445 hdr = (image_header_t *)addr;
446
447 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
448
449 print_image_hdr (hdr);
450
451 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
452 cnt += info.blksz - 1;
453 cnt /= info.blksz;
454 cnt -= 1;
455 } else {
456 printf("\n** Bad Magic Number **\n");
457 SHOW_BOOT_PROGRESS (-1);
458 return 1;
459 }
460
461 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
462 (ulong *)(addr+info.blksz)) != cnt) {
463 printf ("** Read error on %d:%d\n", dev, part);
464 SHOW_BOOT_PROGRESS (-1);
465 return 1;
466 }
467
468
469 /* Loading ok, update default load address */
470
471 load_addr = addr;
472
473 /* Check if we should attempt an auto-start */
474 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
475 char *local_args[2];
476 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
477
478 local_args[0] = argv[0];
479 local_args[1] = NULL;
480
481 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
482
483 do_bootm (cmdtp, 0, 1, local_args);
484 rcode = 1;
485 }
486 return rcode;
487 }
488
489 /* ------------------------------------------------------------------------- */
490
491 void ide_init (void)
492 {
493
494 #ifdef CONFIG_IDE_8xx_DIRECT
495 DECLARE_GLOBAL_DATA_PTR;
496 volatile immap_t *immr = (immap_t *)CFG_IMMR;
497 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
498 #endif
499 unsigned char c;
500 int i, bus;
501 #ifdef CONFIG_AMIGAONEG3SE
502 unsigned int max_bus_scan;
503 unsigned int ata_reset_time;
504 char *s;
505 #endif
506 #ifdef CONFIG_IDE_8xx_PCCARD
507 extern int pcmcia_on (void);
508 extern int ide_devices_found; /* Initialized in check_ide_device() */
509 #endif /* CONFIG_IDE_8xx_PCCARD */
510
511 #ifdef CONFIG_IDE_PREINIT
512 extern int ide_preinit (void);
513 WATCHDOG_RESET();
514
515 if (ide_preinit ()) {
516 puts ("ide_preinit failed\n");
517 return;
518 }
519 #endif /* CONFIG_IDE_PREINIT */
520
521 #ifdef CONFIG_IDE_8xx_PCCARD
522 extern int pcmcia_on (void);
523 extern int ide_devices_found; /* Initialized in check_ide_device() */
524
525 WATCHDOG_RESET();
526
527 ide_devices_found = 0;
528 /* initialize the PCMCIA IDE adapter card */
529 pcmcia_on();
530 if (!ide_devices_found)
531 return;
532 udelay (1000000); /* 1 s */
533 #endif /* CONFIG_IDE_8xx_PCCARD */
534
535 WATCHDOG_RESET();
536
537 #ifdef CONFIG_IDE_8xx_DIRECT
538 /* Initialize PIO timing tables */
539 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
540 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
541 gd->bus_clk);
542 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
543 gd->bus_clk);
544 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
545 gd->bus_clk);
546 PRINTF ("PIO Mode %d: setup=%2d ns/%d clk"
547 " len=%3d ns/%d clk"
548 " hold=%2d ns/%d clk\n",
549 i,
550 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
551 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
552 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
553 }
554 #endif /* CONFIG_IDE_8xx_DIRECT */
555
556 /* Reset the IDE just to be sure.
557 * Light LED's to show
558 */
559 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
560 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
561
562 #ifdef CONFIG_IDE_8xx_DIRECT
563 /* PCMCIA / IDE initialization for common mem space */
564 pcmp->pcmc_pgcrb = 0;
565
566 /* start in PIO mode 0 - most relaxed timings */
567 pio_mode = 0;
568 set_pcmcia_timing (pio_mode);
569 #endif /* CONFIG_IDE_8xx_DIRECT */
570
571 /*
572 * Wait for IDE to get ready.
573 * According to spec, this can take up to 31 seconds!
574 */
575 #ifndef CONFIG_AMIGAONEG3SE
576 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
577 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
578 #else
579 s = getenv("ide_maxbus");
580 if (s)
581 max_bus_scan = simple_strtol(s, NULL, 10);
582 else
583 max_bus_scan = CFG_IDE_MAXBUS;
584
585 for (bus=0; bus<max_bus_scan; ++bus) {
586 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
587 #endif
588
589 #ifdef CONFIG_IDE_8xx_PCCARD
590 /* Skip non-ide devices from probing */
591 if ((ide_devices_found & (1 << bus)) == 0) {
592 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
593 continue;
594 }
595 #endif
596 printf ("Bus %d: ", bus);
597
598 ide_bus_ok[bus] = 0;
599
600 /* Select device
601 */
602 udelay (100000); /* 100 ms */
603 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
604 udelay (100000); /* 100 ms */
605 #ifdef CONFIG_AMIGAONEG3SE
606 ata_reset_time = ATA_RESET_TIME;
607 s = getenv("ide_reset_timeout");
608 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
609 #endif
610 i = 0;
611 do {
612 udelay (10000); /* 10 ms */
613
614 c = ide_inb (dev, ATA_STATUS);
615 i++;
616 #ifdef CONFIG_AMIGAONEG3SE
617 if (i > (ata_reset_time * 100)) {
618 #else
619 if (i > (ATA_RESET_TIME * 100)) {
620 #endif
621 puts ("** Timeout **\n");
622 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
623 #ifdef CONFIG_AMIGAONEG3SE
624 /* If this is the second bus, the first one was OK */
625 if (bus != 0) {
626 ide_bus_ok[bus] = 0;
627 goto skip_bus;
628 }
629 #endif
630 return;
631 }
632 if ((i >= 100) && ((i%100)==0)) {
633 putc ('.');
634 }
635 } while (c & ATA_STAT_BUSY);
636
637 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
638 puts ("not available ");
639 PRINTF ("Status = 0x%02X ", c);
640 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
641 } else if ((c & ATA_STAT_READY) == 0) {
642 puts ("not available ");
643 PRINTF ("Status = 0x%02X ", c);
644 #endif
645 } else {
646 puts ("OK ");
647 ide_bus_ok[bus] = 1;
648 }
649 WATCHDOG_RESET();
650 }
651
652 #ifdef CONFIG_AMIGAONEG3SE
653 skip_bus:
654 #endif
655 putc ('\n');
656
657 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
658
659 curr_device = -1;
660 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
661 #ifdef CONFIG_IDE_LED
662 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
663 #endif
664 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
665 ide_dev_desc[i].if_type=IF_TYPE_IDE;
666 ide_dev_desc[i].dev=i;
667 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
668 ide_dev_desc[i].blksz=0;
669 ide_dev_desc[i].lba=0;
670 ide_dev_desc[i].block_read=ide_read;
671 if (!ide_bus_ok[IDE_BUS(i)])
672 continue;
673 ide_led (led, 1); /* LED on */
674 ide_ident(&ide_dev_desc[i]);
675 ide_led (led, 0); /* LED off */
676 dev_print(&ide_dev_desc[i]);
677 /* ide_print (i); */
678 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
679 init_part (&ide_dev_desc[i]); /* initialize partition type */
680 if (curr_device < 0)
681 curr_device = i;
682 }
683 }
684 WATCHDOG_RESET();
685 }
686
687 /* ------------------------------------------------------------------------- */
688
689 block_dev_desc_t * ide_get_dev(int dev)
690 {
691 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
692 }
693
694
695 #ifdef CONFIG_IDE_8xx_DIRECT
696
697 static void
698 set_pcmcia_timing (int pmode)
699 {
700 volatile immap_t *immr = (immap_t *)CFG_IMMR;
701 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
702 ulong timings;
703
704 PRINTF ("Set timing for PIO Mode %d\n", pmode);
705
706 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
707 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
708 | PCMCIA_SL (pio_config_clk[pmode].t_length)
709 ;
710
711 /* IDE 0
712 */
713 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
714 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
715 #if (CFG_PCMCIA_POR0 != 0)
716 | timings
717 #endif
718 ;
719 PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
720
721 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
722 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
723 #if (CFG_PCMCIA_POR1 != 0)
724 | timings
725 #endif
726 ;
727 PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
728
729 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
730 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
731 #if (CFG_PCMCIA_POR2 != 0)
732 | timings
733 #endif
734 ;
735 PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
736
737 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
738 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
739 #if (CFG_PCMCIA_POR3 != 0)
740 | timings
741 #endif
742 ;
743 PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
744
745 /* IDE 1
746 */
747 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
748 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
749 #if (CFG_PCMCIA_POR4 != 0)
750 | timings
751 #endif
752 ;
753 PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
754
755 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
756 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
757 #if (CFG_PCMCIA_POR5 != 0)
758 | timings
759 #endif
760 ;
761 PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
762
763 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
764 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
765 #if (CFG_PCMCIA_POR6 != 0)
766 | timings
767 #endif
768 ;
769 PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
770
771 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
772 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
773 #if (CFG_PCMCIA_POR7 != 0)
774 | timings
775 #endif
776 ;
777 PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
778
779 }
780
781 #endif /* CONFIG_IDE_8xx_DIRECT */
782
783 /* ------------------------------------------------------------------------- */
784
785 #ifdef __PPC__
786 static void __inline__
787 ide_outb(int dev, int port, unsigned char val)
788 {
789 PRINTF ("ide_outb (dev= %d, port= %d, val= 0x%02x) : @ 0x%08lx\n",
790 dev, port, val, (ATA_CURR_BASE(dev)+port));
791
792 /* Ensure I/O operations complete */
793 __asm__ volatile("eieio");
794 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
795 }
796 #else /* ! __PPC__ */
797 static void __inline__
798 ide_outb(int dev, int port, unsigned char val)
799 {
800 outb(val, ATA_CURR_BASE(dev)+port);
801 }
802 #endif /* __PPC__ */
803
804
805 #ifdef __PPC__
806 static unsigned char __inline__
807 ide_inb(int dev, int port)
808 {
809 uchar val;
810 /* Ensure I/O operations complete */
811 __asm__ volatile("eieio");
812 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
813 PRINTF ("ide_inb (dev= %d, port= %d) : @ 0x%08lx -> 0x%02x\n",
814 dev, port, (ATA_CURR_BASE(dev)+port), val);
815 return (val);
816 }
817 #else /* ! __PPC__ */
818 static unsigned char __inline__
819 ide_inb(int dev, int port)
820 {
821 return inb(ATA_CURR_BASE(dev)+port);
822 }
823 #endif /* __PPC__ */
824
825 #ifdef __PPC__
826 # ifdef CONFIG_AMIGAONEG3SE
827 static void
828 output_data_short(int dev, ulong *sect_buf, int words)
829 {
830 ushort *dbuf;
831 volatile ushort *pbuf;
832
833 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
834 dbuf = (ushort *)sect_buf;
835 while (words--) {
836 __asm__ volatile ("eieio");
837 *pbuf = *dbuf++;
838 __asm__ volatile ("eieio");
839 }
840
841 if (words&1)
842 *pbuf = 0;
843 }
844 # endif /* CONFIG_AMIGAONEG3SE */
845 #endif /* __PPC_ */
846
847 /* We only need to swap data if we are running on a big endian cpu. */
848 /* But Au1x00 cpu:s already swaps data in big endian mode! */
849 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
850 #define input_swap_data(x,y,z) input_data(x,y,z)
851 #else
852 static void
853 input_swap_data(int dev, ulong *sect_buf, int words)
854 {
855 #ifndef CONFIG_HMI10
856 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
857 ushort *dbuf = (ushort *)sect_buf;
858
859 while (words--) {
860 *dbuf++ = ld_le16(pbuf);
861 *dbuf++ = ld_le16(pbuf);
862 }
863 #else /* CONFIG_HMI10 */
864 uchar i;
865 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
866 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
867 ushort *dbuf = (ushort *)sect_buf;
868
869 while (words--) {
870 for (i=0; i<2; i++) {
871 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
872 *(uchar *)dbuf = *pbuf_odd;
873 dbuf+=1;
874 }
875 }
876 #endif /* CONFIG_HMI10 */
877 }
878 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
879
880
881 #ifdef __PPC__
882 static void
883 output_data(int dev, ulong *sect_buf, int words)
884 {
885 #ifndef CONFIG_HMI10
886 ushort *dbuf;
887 volatile ushort *pbuf;
888
889 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
890 dbuf = (ushort *)sect_buf;
891 while (words--) {
892 __asm__ volatile ("eieio");
893 *pbuf = *dbuf++;
894 __asm__ volatile ("eieio");
895 *pbuf = *dbuf++;
896 }
897 #else /* CONFIG_HMI10 */
898 uchar *dbuf;
899 volatile uchar *pbuf_even;
900 volatile uchar *pbuf_odd;
901
902 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
903 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
904 dbuf = (uchar *)sect_buf;
905 while (words--) {
906 __asm__ volatile ("eieio");
907 *pbuf_even = *dbuf++;
908 __asm__ volatile ("eieio");
909 *pbuf_odd = *dbuf++;
910 __asm__ volatile ("eieio");
911 *pbuf_even = *dbuf++;
912 __asm__ volatile ("eieio");
913 *pbuf_odd = *dbuf++;
914 }
915 #endif /* CONFIG_HMI10 */
916 }
917 #else /* ! __PPC__ */
918 static void
919 output_data(int dev, ulong *sect_buf, int words)
920 {
921 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
922 }
923 #endif /* __PPC__ */
924
925 #ifdef __PPC__
926 static void
927 input_data(int dev, ulong *sect_buf, int words)
928 {
929 #ifndef CONFIG_HMI10
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 __asm__ volatile ("eieio");
937 *dbuf++ = *pbuf;
938 __asm__ volatile ("eieio");
939 *dbuf++ = *pbuf;
940 }
941 #else /* CONFIG_HMI10 */
942 uchar *dbuf;
943 volatile uchar *pbuf_even;
944 volatile uchar *pbuf_odd;
945
946 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
947 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
948 dbuf = (uchar *)sect_buf;
949 while (words--) {
950 __asm__ volatile ("eieio");
951 *dbuf++ = *pbuf_even;
952 __asm__ volatile ("eieio");
953 *dbuf++ = *pbuf_odd;
954 __asm__ volatile ("eieio");
955 *dbuf++ = *pbuf_even;
956 __asm__ volatile ("eieio");
957 *dbuf++ = *pbuf_odd;
958 }
959 #endif /* CONFIG_HMI10 */
960 }
961 #else /* ! __PPC__ */
962 static void
963 input_data(int dev, ulong *sect_buf, int words)
964 {
965 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
966 }
967
968 #endif /* __PPC__ */
969
970 #ifdef CONFIG_AMIGAONEG3SE
971 static void
972 input_data_short(int dev, ulong *sect_buf, int words)
973 {
974 ushort *dbuf;
975 volatile ushort *pbuf;
976
977 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
978 dbuf = (ushort *)sect_buf;
979 while (words--) {
980 __asm__ volatile ("eieio");
981 *dbuf++ = *pbuf;
982 __asm__ volatile ("eieio");
983 }
984
985 if (words&1) {
986 ushort dummy;
987 dummy = *pbuf;
988 }
989 }
990 #endif
991
992 /* -------------------------------------------------------------------------
993 */
994 static void ide_ident (block_dev_desc_t *dev_desc)
995 {
996 ulong iobuf[ATA_SECTORWORDS];
997 unsigned char c;
998 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
999
1000 #ifdef CONFIG_AMIGAONEG3SE
1001 int max_bus_scan;
1002 int retries = 0;
1003 char *s;
1004 int do_retry = 0;
1005 #endif
1006
1007 #if 0
1008 int mode, cycle_time;
1009 #endif
1010 int device;
1011 device=dev_desc->dev;
1012 printf (" Device %d: ", device);
1013
1014 #ifdef CONFIG_AMIGAONEG3SE
1015 s = getenv("ide_maxbus");
1016 if (s) {
1017 max_bus_scan = simple_strtol(s, NULL, 10);
1018 } else {
1019 max_bus_scan = CFG_IDE_MAXBUS;
1020 }
1021 if (device >= max_bus_scan*2) {
1022 dev_desc->type=DEV_TYPE_UNKNOWN;
1023 return;
1024 }
1025 #endif
1026
1027 ide_led (DEVICE_LED(device), 1); /* LED on */
1028 /* Select device
1029 */
1030 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1031 dev_desc->if_type=IF_TYPE_IDE;
1032 #ifdef CONFIG_ATAPI
1033
1034 #ifdef CONFIG_AMIGAONEG3SE
1035 do_retry = 0;
1036 retries = 0;
1037
1038 /* Warning: This will be tricky to read */
1039 while (retries <= 1) {
1040 #endif /* CONFIG_AMIGAONEG3SE */
1041
1042 /* check signature */
1043 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1044 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1045 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1046 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1047 /* ATAPI Signature found */
1048 dev_desc->if_type=IF_TYPE_ATAPI;
1049 /* Start Ident Command
1050 */
1051 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1052 /*
1053 * Wait for completion - ATAPI devices need more time
1054 * to become ready
1055 */
1056 c = ide_wait (device, ATAPI_TIME_OUT);
1057 } else
1058 #endif
1059 {
1060 /* Start Ident Command
1061 */
1062 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1063
1064 /* Wait for completion
1065 */
1066 c = ide_wait (device, IDE_TIME_OUT);
1067 }
1068 ide_led (DEVICE_LED(device), 0); /* LED off */
1069
1070 if (((c & ATA_STAT_DRQ) == 0) ||
1071 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1072 #ifdef CONFIG_AMIGAONEG3SE
1073 if (retries == 0) {
1074 do_retry = 1;
1075 } else {
1076 return;
1077 }
1078 #else
1079 return;
1080 #endif /* CONFIG_AMIGAONEG3SE */
1081 }
1082
1083 #ifdef CONFIG_AMIGAONEG3SE
1084 s = getenv("ide_doreset");
1085 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1086 /* Need to soft reset the device in case it's an ATAPI... */
1087 PRINTF("Retrying...\n");
1088 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1089 udelay(100000);
1090 ide_outb (device, ATA_COMMAND, 0x08);
1091 udelay (100000); /* 100 ms */
1092 retries++;
1093 } else {
1094 retries = 100;
1095 }
1096 } /* see above - ugly to read */
1097 #endif /* CONFIG_AMIGAONEG3SE */
1098
1099 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1100
1101 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1102 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1103 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1104 #ifdef __LITTLE_ENDIAN
1105 /*
1106 * firmware revision and model number have Big Endian Byte
1107 * order in Word. Convert both to little endian.
1108 *
1109 * See CF+ and CompactFlash Specification Revision 2.0:
1110 * 6.2.1.6: Identfy Drive, Table 39 for more details
1111 */
1112
1113 strswab (dev_desc->revision);
1114 strswab (dev_desc->vendor);
1115 #endif /* __LITTLE_ENDIAN */
1116
1117 if ((iop->config & 0x0080)==0x0080)
1118 dev_desc->removable = 1;
1119 else
1120 dev_desc->removable = 0;
1121
1122 #if 0
1123 /*
1124 * Drive PIO mode autoselection
1125 */
1126 mode = iop->tPIO;
1127
1128 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1129 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1130 mode = 2;
1131 PRINTF ("Override tPIO -> 2\n");
1132 }
1133 if (iop->field_valid & 2) { /* drive implements ATA2? */
1134 PRINTF ("Drive implements ATA2\n");
1135 if (iop->capability & 8) { /* drive supports use_iordy? */
1136 cycle_time = iop->eide_pio_iordy;
1137 } else {
1138 cycle_time = iop->eide_pio;
1139 }
1140 PRINTF ("cycle time = %d\n", cycle_time);
1141 mode = 4;
1142 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1143 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1144 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1145 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1146 }
1147 printf ("PIO mode to use: PIO %d\n", mode);
1148 #endif /* 0 */
1149
1150 #ifdef CONFIG_ATAPI
1151 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1152 atapi_inquiry(dev_desc);
1153 return;
1154 }
1155 #endif /* CONFIG_ATAPI */
1156
1157 #ifdef __BIG_ENDIAN
1158 /* swap shorts */
1159 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1160 #else /* ! __BIG_ENDIAN */
1161 /*
1162 * do not swap shorts on little endian
1163 *
1164 * See CF+ and CompactFlash Specification Revision 2.0:
1165 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1166 */
1167 dev_desc->lba = iop->lba_capacity;
1168 #endif /* __BIG_ENDIAN */
1169
1170 #ifdef CONFIG_LBA48
1171 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1172 dev_desc->lba48support = 1;
1173 dev_desc->lba48 = (unsigned long long)iop->lba48_capacity[0] |
1174 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1175 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1176 ((unsigned long long)iop->lba48_capacity[3] << 48);
1177 } else {
1178 dev_desc->lba48support = 0;
1179 dev_desc->lba48 = 0;
1180 }
1181 #endif /* CONFIG_LBA48 */
1182 /* assuming HD */
1183 dev_desc->type=DEV_TYPE_HARDDISK;
1184 dev_desc->blksz=ATA_BLOCKSIZE;
1185 dev_desc->lun=0; /* just to fill something in... */
1186
1187 #if 0 /* only used to test the powersaving mode,
1188 * if enabled, the drive goes after 5 sec
1189 * in standby mode */
1190 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1191 c = ide_wait (device, IDE_TIME_OUT);
1192 ide_outb (device, ATA_SECT_CNT, 1);
1193 ide_outb (device, ATA_LBA_LOW, 0);
1194 ide_outb (device, ATA_LBA_MID, 0);
1195 ide_outb (device, ATA_LBA_HIGH, 0);
1196 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1197 ATA_DEVICE(device));
1198 ide_outb (device, ATA_COMMAND, 0xe3);
1199 udelay (50);
1200 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1201 #endif
1202 }
1203
1204
1205 /* ------------------------------------------------------------------------- */
1206
1207 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1208 {
1209 ulong n = 0;
1210 unsigned char c;
1211 unsigned char pwrsave=0; /* power save */
1212 #ifdef CONFIG_LBA48
1213 unsigned char lba48 = 0;
1214
1215 if (blknr & 0x0000fffff0000000) {
1216 /* more than 28 bits used, use 48bit mode */
1217 lba48 = 1;
1218 }
1219 #endif
1220 PRINTF ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1221 device, blknr, blkcnt, (ulong)buffer);
1222
1223 ide_led (DEVICE_LED(device), 1); /* LED on */
1224
1225 /* Select device
1226 */
1227 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1228 c = ide_wait (device, IDE_TIME_OUT);
1229
1230 if (c & ATA_STAT_BUSY) {
1231 printf ("IDE read: device %d not ready\n", device);
1232 goto IDE_READ_E;
1233 }
1234
1235 /* first check if the drive is in Powersaving mode, if yes,
1236 * increase the timeout value */
1237 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1238 udelay (50);
1239
1240 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1241
1242 if (c & ATA_STAT_BUSY) {
1243 printf ("IDE read: device %d not ready\n", device);
1244 goto IDE_READ_E;
1245 }
1246 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1247 printf ("No Powersaving mode %X\n", c);
1248 } else {
1249 c = ide_inb(device,ATA_SECT_CNT);
1250 PRINTF("Powersaving %02X\n",c);
1251 if(c==0)
1252 pwrsave=1;
1253 }
1254
1255
1256 while (blkcnt-- > 0) {
1257
1258 c = ide_wait (device, IDE_TIME_OUT);
1259
1260 if (c & ATA_STAT_BUSY) {
1261 printf ("IDE read: device %d not ready\n", device);
1262 break;
1263 }
1264 #ifdef CONFIG_LBA48
1265 if (lba48) {
1266 /* write high bits */
1267 ide_outb (device, ATA_SECT_CNT, 0);
1268 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1269 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1270 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1271 }
1272 #endif
1273 ide_outb (device, ATA_SECT_CNT, 1);
1274 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1275 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1276 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1277
1278 #ifdef CONFIG_LBA48
1279 if (lba48) {
1280 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1281 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1282
1283 } else
1284 #endif
1285 {
1286 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1287 ATA_DEVICE(device) |
1288 ((blknr >> 24) & 0xF) );
1289 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1290 }
1291
1292 udelay (50);
1293
1294 if(pwrsave) {
1295 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1296 pwrsave=0;
1297 } else {
1298 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1299 }
1300
1301 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1302 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1303 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1304 device, blknr, c);
1305 #else
1306 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1307 device, (ulong)blknr, c);
1308 #endif
1309 break;
1310 }
1311
1312 input_data (device, buffer, ATA_SECTORWORDS);
1313 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1314
1315 ++n;
1316 ++blknr;
1317 buffer += ATA_SECTORWORDS;
1318 }
1319 IDE_READ_E:
1320 ide_led (DEVICE_LED(device), 0); /* LED off */
1321 return (n);
1322 }
1323
1324 /* ------------------------------------------------------------------------- */
1325
1326
1327 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1328 {
1329 ulong n = 0;
1330 unsigned char c;
1331 #ifdef CONFIG_LBA48
1332 unsigned char lba48 = 0;
1333
1334 if (blknr & 0x0000fffff0000000) {
1335 /* more than 28 bits used, use 48bit mode */
1336 lba48 = 1;
1337 }
1338 #endif
1339
1340 ide_led (DEVICE_LED(device), 1); /* LED on */
1341
1342 /* Select device
1343 */
1344 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1345
1346 while (blkcnt-- > 0) {
1347
1348 c = ide_wait (device, IDE_TIME_OUT);
1349
1350 if (c & ATA_STAT_BUSY) {
1351 printf ("IDE read: device %d not ready\n", device);
1352 goto WR_OUT;
1353 }
1354 #ifdef CONFIG_LBA48
1355 if (lba48) {
1356 /* write high bits */
1357 ide_outb (device, ATA_SECT_CNT, 0);
1358 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1359 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1360 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1361 }
1362 #endif
1363 ide_outb (device, ATA_SECT_CNT, 1);
1364 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1365 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1366 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1367
1368 #ifdef CONFIG_LBA48
1369 if (lba48) {
1370 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1371 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1372
1373 } else
1374 #endif
1375 {
1376 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1377 ATA_DEVICE(device) |
1378 ((blknr >> 24) & 0xF) );
1379 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1380 }
1381
1382 udelay (50);
1383
1384 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1385
1386 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1387 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1388 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1389 device, blknr, c);
1390 #else
1391 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1392 device, (ulong)blknr, c);
1393 #endif
1394 goto WR_OUT;
1395 }
1396
1397 output_data (device, buffer, ATA_SECTORWORDS);
1398 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1399 ++n;
1400 ++blknr;
1401 buffer += ATA_SECTORWORDS;
1402 }
1403 WR_OUT:
1404 ide_led (DEVICE_LED(device), 0); /* LED off */
1405 return (n);
1406 }
1407
1408 /* ------------------------------------------------------------------------- */
1409
1410 /*
1411 * copy src to dest, skipping leading and trailing blanks and null
1412 * terminate the string
1413 */
1414 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
1415 {
1416 int start,end;
1417
1418 start=0;
1419 while (start<len) {
1420 if (src[start]!=' ')
1421 break;
1422 start++;
1423 }
1424 end=len-1;
1425 while (end>start) {
1426 if (src[end]!=' ')
1427 break;
1428 end--;
1429 }
1430 for ( ; start<=end; start++) {
1431 *dest++=src[start];
1432 }
1433 *dest='\0';
1434 }
1435
1436 /* ------------------------------------------------------------------------- */
1437
1438 /*
1439 * Wait until Busy bit is off, or timeout (in ms)
1440 * Return last status
1441 */
1442 static uchar ide_wait (int dev, ulong t)
1443 {
1444 ulong delay = 10 * t; /* poll every 100 us */
1445 uchar c;
1446
1447 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1448 udelay (100);
1449 if (delay-- == 0) {
1450 break;
1451 }
1452 }
1453 return (c);
1454 }
1455
1456 /* ------------------------------------------------------------------------- */
1457
1458 #ifdef CONFIG_IDE_RESET
1459 extern void ide_set_reset(int idereset);
1460
1461 static void ide_reset (void)
1462 {
1463 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1464 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1465 #endif
1466 int i;
1467
1468 curr_device = -1;
1469 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1470 ide_bus_ok[i] = 0;
1471 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1472 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1473
1474 ide_set_reset (1); /* assert reset */
1475
1476 WATCHDOG_RESET();
1477
1478 #ifdef CFG_PB_12V_ENABLE
1479 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1480 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1481 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1482 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1483
1484 /* wait 500 ms for the voltage to stabilize
1485 */
1486 for (i=0; i<500; ++i) {
1487 udelay (1000);
1488 }
1489
1490 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1491 #endif /* CFG_PB_12V_ENABLE */
1492
1493 #ifdef CFG_PB_IDE_MOTOR
1494 /* configure IDE Motor voltage monitor pin as input */
1495 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1496 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1497 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1498
1499 /* wait up to 1 s for the motor voltage to stabilize
1500 */
1501 for (i=0; i<1000; ++i) {
1502 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1503 break;
1504 }
1505 udelay (1000);
1506 }
1507
1508 if (i == 1000) { /* Timeout */
1509 printf ("\nWarning: 5V for IDE Motor missing\n");
1510 # ifdef CONFIG_STATUS_LED
1511 # ifdef STATUS_LED_YELLOW
1512 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1513 # endif
1514 # ifdef STATUS_LED_GREEN
1515 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1516 # endif
1517 # endif /* CONFIG_STATUS_LED */
1518 }
1519 #endif /* CFG_PB_IDE_MOTOR */
1520
1521 WATCHDOG_RESET();
1522
1523 /* de-assert RESET signal */
1524 ide_set_reset(0);
1525
1526 /* wait 250 ms */
1527 for (i=0; i<250; ++i) {
1528 udelay (1000);
1529 }
1530 }
1531
1532 #endif /* CONFIG_IDE_RESET */
1533
1534 /* ------------------------------------------------------------------------- */
1535
1536 #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K) && !defined(CONFIG_HMI10)
1537
1538 static uchar led_buffer = 0; /* Buffer for current LED status */
1539
1540 static void ide_led (uchar led, uchar status)
1541 {
1542 uchar *led_port = LED_PORT;
1543
1544 if (status) { /* switch LED on */
1545 led_buffer |= led;
1546 } else { /* switch LED off */
1547 led_buffer &= ~led;
1548 }
1549
1550 *led_port = led_buffer;
1551 }
1552
1553 #endif /* CONFIG_IDE_LED */
1554
1555 /* ------------------------------------------------------------------------- */
1556
1557 #ifdef CONFIG_ATAPI
1558 /****************************************************************************
1559 * ATAPI Support
1560 */
1561
1562
1563 #undef ATAPI_DEBUG
1564
1565 #ifdef ATAPI_DEBUG
1566 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1567 #else
1568 #define AT_PRINTF(fmt,args...)
1569 #endif
1570
1571 #ifdef __PPC__
1572 /* since ATAPI may use commands with not 4 bytes alligned length
1573 * we have our own transfer functions, 2 bytes alligned */
1574 static void
1575 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1576 {
1577 #ifndef CONFIG_HMI10
1578 ushort *dbuf;
1579 volatile ushort *pbuf;
1580
1581 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1582 dbuf = (ushort *)sect_buf;
1583 while (shorts--) {
1584 __asm__ volatile ("eieio");
1585 *pbuf = *dbuf++;
1586 }
1587 #else /* CONFIG_HMI10 */
1588 uchar *dbuf;
1589 volatile uchar *pbuf_even;
1590 volatile uchar *pbuf_odd;
1591
1592 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1593 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1594 while (shorts--) {
1595 __asm__ volatile ("eieio");
1596 *pbuf_even = *dbuf++;
1597 __asm__ volatile ("eieio");
1598 *pbuf_odd = *dbuf++;
1599 }
1600 #endif /* CONFIG_HMI10 */
1601 }
1602
1603 static void
1604 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1605 {
1606 #ifndef CONFIG_HMI10
1607 ushort *dbuf;
1608 volatile ushort *pbuf;
1609
1610 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1611 dbuf = (ushort *)sect_buf;
1612 while (shorts--) {
1613 __asm__ volatile ("eieio");
1614 *dbuf++ = *pbuf;
1615 }
1616 #else /* CONFIG_HMI10 */
1617 uchar *dbuf;
1618 volatile uchar *pbuf_even;
1619 volatile uchar *pbuf_odd;
1620
1621 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1622 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1623 while (shorts--) {
1624 __asm__ volatile ("eieio");
1625 *dbuf++ = *pbuf_even;
1626 __asm__ volatile ("eieio");
1627 *dbuf++ = *pbuf_odd;
1628 }
1629 #endif /* CONFIG_HMI10 */
1630 }
1631
1632 #else /* ! __PPC__ */
1633 static void
1634 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1635 {
1636 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1637 }
1638
1639
1640 static void
1641 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1642 {
1643 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1644 }
1645
1646 #endif /* __PPC__ */
1647
1648 /*
1649 * Wait until (Status & mask) == res, or timeout (in ms)
1650 * Return last status
1651 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1652 * and then they set their DRQ Bit
1653 */
1654 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1655 {
1656 ulong delay = 10 * t; /* poll every 100 us */
1657 uchar c;
1658
1659 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1660 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1661 /* break if error occurs (doesn't make sense to wait more) */
1662 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1663 break;
1664 udelay (100);
1665 if (delay-- == 0) {
1666 break;
1667 }
1668 }
1669 return (c);
1670 }
1671
1672 /*
1673 * issue an atapi command
1674 */
1675 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1676 {
1677 unsigned char c,err,mask,res;
1678 int n;
1679 ide_led (DEVICE_LED(device), 1); /* LED on */
1680
1681 /* Select device
1682 */
1683 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1684 res = 0;
1685 #ifdef CONFIG_AMIGAONEG3SE
1686 # warning THF: Removed LBA mode ???
1687 #endif
1688 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1689 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1690 if ((c & mask) != res) {
1691 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1692 err=0xFF;
1693 goto AI_OUT;
1694 }
1695 /* write taskfile */
1696 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1697 ide_outb (device, ATA_SECT_CNT, 0);
1698 ide_outb (device, ATA_SECT_NUM, 0);
1699 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1700 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1701 #ifdef CONFIG_AMIGAONEG3SE
1702 # warning THF: Removed LBA mode ???
1703 #endif
1704 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1705
1706 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1707 udelay (50);
1708
1709 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1710 res = ATA_STAT_DRQ;
1711 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1712
1713 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1714 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1715 err=0xFF;
1716 goto AI_OUT;
1717 }
1718
1719 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1720 /* ATAPI Command written wait for completition */
1721 udelay (5000); /* device must set bsy */
1722
1723 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1724 /* if no data wait for DRQ = 0 BSY = 0
1725 * if data wait for DRQ = 1 BSY = 0 */
1726 res=0;
1727 if(buflen)
1728 res = ATA_STAT_DRQ;
1729 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1730 if ((c & mask) != res ) {
1731 if (c & ATA_STAT_ERR) {
1732 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1733 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1734 } else {
1735 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1736 err=0xFF;
1737 }
1738 goto AI_OUT;
1739 }
1740 n=ide_inb(device, ATA_CYL_HIGH);
1741 n<<=8;
1742 n+=ide_inb(device, ATA_CYL_LOW);
1743 if(n>buflen) {
1744 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1745 err=0xff;
1746 goto AI_OUT;
1747 }
1748 if((n==0)&&(buflen<0)) {
1749 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1750 err=0xff;
1751 goto AI_OUT;
1752 }
1753 if(n!=buflen) {
1754 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1755 }
1756 if(n!=0) { /* data transfer */
1757 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1758 /* we transfer shorts */
1759 n>>=1;
1760 /* ok now decide if it is an in or output */
1761 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1762 AT_PRINTF("Write to device\n");
1763 output_data_shorts(device,(unsigned short *)buffer,n);
1764 } else {
1765 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1766 input_data_shorts(device,(unsigned short *)buffer,n);
1767 }
1768 }
1769 udelay(5000); /* seems that some CD ROMs need this... */
1770 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1771 res=0;
1772 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1773 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1774 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1775 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1776 } else {
1777 err = 0;
1778 }
1779 AI_OUT:
1780 ide_led (DEVICE_LED(device), 0); /* LED off */
1781 return (err);
1782 }
1783
1784 /*
1785 * sending the command to atapi_issue. If an status other than good
1786 * returns, an request_sense will be issued
1787 */
1788
1789 #define ATAPI_DRIVE_NOT_READY 100
1790 #define ATAPI_UNIT_ATTN 10
1791
1792 unsigned char atapi_issue_autoreq (int device,
1793 unsigned char* ccb,
1794 int ccblen,
1795 unsigned char *buffer,
1796 int buflen)
1797 {
1798 unsigned char sense_data[18],sense_ccb[12];
1799 unsigned char res,key,asc,ascq;
1800 int notready,unitattn;
1801
1802 #ifdef CONFIG_AMIGAONEG3SE
1803 char *s;
1804 unsigned int timeout, retrycnt;
1805
1806 s = getenv("ide_cd_timeout");
1807 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1808
1809 retrycnt = 0;
1810 #endif
1811
1812 unitattn=ATAPI_UNIT_ATTN;
1813 notready=ATAPI_DRIVE_NOT_READY;
1814
1815 retry:
1816 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1817 if (res==0)
1818 return (0); /* Ok */
1819
1820 if (res==0xFF)
1821 return (0xFF); /* error */
1822
1823 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1824
1825 memset(sense_ccb,0,sizeof(sense_ccb));
1826 memset(sense_data,0,sizeof(sense_data));
1827 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1828 sense_ccb[4]=18; /* allocation Length */
1829
1830 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1831 key=(sense_data[2]&0xF);
1832 asc=(sense_data[12]);
1833 ascq=(sense_data[13]);
1834
1835 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1836 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1837 sense_data[0],
1838 key,
1839 asc,
1840 ascq);
1841
1842 if((key==0))
1843 return 0; /* ok device ready */
1844
1845 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1846 if(unitattn-->0) {
1847 udelay(200*1000);
1848 goto retry;
1849 }
1850 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1851 goto error;
1852 }
1853 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1854 if (notready-->0) {
1855 udelay(200*1000);
1856 goto retry;
1857 }
1858 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1859 goto error;
1860 }
1861 if(asc==0x3a) {
1862 AT_PRINTF("Media not present\n");
1863 goto error;
1864 }
1865
1866 #ifdef CONFIG_AMIGAONEG3SE
1867 if ((sense_data[2]&0xF)==0x0B) {
1868 AT_PRINTF("ABORTED COMMAND...retry\n");
1869 if (retrycnt++ < 4)
1870 goto retry;
1871 return (0xFF);
1872 }
1873
1874 if ((sense_data[2]&0xf) == 0x02 &&
1875 sense_data[12] == 0x04 &&
1876 sense_data[13] == 0x01 ) {
1877 AT_PRINTF("Waiting for unit to become active\n");
1878 udelay(timeout);
1879 if (retrycnt++ < 4)
1880 goto retry;
1881 return 0xFF;
1882 }
1883 #endif /* CONFIG_AMIGAONEG3SE */
1884
1885 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1886 error:
1887 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1888 return (0xFF);
1889 }
1890
1891
1892 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1893 {
1894 unsigned char ccb[12]; /* Command descriptor block */
1895 unsigned char iobuf[64]; /* temp buf */
1896 unsigned char c;
1897 int device;
1898
1899 device=dev_desc->dev;
1900 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1901 dev_desc->block_read=atapi_read;
1902
1903 memset(ccb,0,sizeof(ccb));
1904 memset(iobuf,0,sizeof(iobuf));
1905
1906 ccb[0]=ATAPI_CMD_INQUIRY;
1907 ccb[4]=40; /* allocation Legnth */
1908 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1909
1910 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1911 if (c!=0)
1912 return;
1913
1914 /* copy device ident strings */
1915 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1916 ident_cpy(dev_desc->product,&iobuf[16],16);
1917 ident_cpy(dev_desc->revision,&iobuf[32],5);
1918
1919 dev_desc->lun=0;
1920 dev_desc->lba=0;
1921 dev_desc->blksz=0;
1922 dev_desc->type=iobuf[0] & 0x1f;
1923
1924 if ((iobuf[1]&0x80)==0x80)
1925 dev_desc->removable = 1;
1926 else
1927 dev_desc->removable = 0;
1928
1929 memset(ccb,0,sizeof(ccb));
1930 memset(iobuf,0,sizeof(iobuf));
1931 ccb[0]=ATAPI_CMD_START_STOP;
1932 ccb[4]=0x03; /* start */
1933
1934 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1935
1936 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1937 if (c!=0)
1938 return;
1939
1940 memset(ccb,0,sizeof(ccb));
1941 memset(iobuf,0,sizeof(iobuf));
1942 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1943
1944 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1945 if (c!=0)
1946 return;
1947
1948 memset(ccb,0,sizeof(ccb));
1949 memset(iobuf,0,sizeof(iobuf));
1950 ccb[0]=ATAPI_CMD_READ_CAP;
1951 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1952 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1953 if (c!=0)
1954 return;
1955
1956 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1957 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1958 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1959
1960 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1961 ((unsigned long)iobuf[1]<<16) +
1962 ((unsigned long)iobuf[2]<< 8) +
1963 ((unsigned long)iobuf[3]);
1964 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1965 ((unsigned long)iobuf[5]<<16) +
1966 ((unsigned long)iobuf[6]<< 8) +
1967 ((unsigned long)iobuf[7]);
1968 #ifdef CONFIG_LBA48
1969 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1970 #endif
1971 return;
1972 }
1973
1974
1975 /*
1976 * atapi_read:
1977 * we transfer only one block per command, since the multiple DRQ per
1978 * command is not yet implemented
1979 */
1980 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1981 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1982 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1983
1984 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1985 {
1986 ulong n = 0;
1987 unsigned char ccb[12]; /* Command descriptor block */
1988 ulong cnt;
1989
1990 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1991 device, blknr, blkcnt, (ulong)buffer);
1992
1993 do {
1994 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1995 cnt=ATAPI_READ_MAX_BLOCK;
1996 } else {
1997 cnt=blkcnt;
1998 }
1999 ccb[0]=ATAPI_CMD_READ_12;
2000 ccb[1]=0; /* reserved */
2001 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2002 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2003 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2004 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2005 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2006 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2007 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2008 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2009 ccb[10]=0; /* reserved */
2010 ccb[11]=0; /* reserved */
2011
2012 if (atapi_issue_autoreq(device,ccb,12,
2013 (unsigned char *)buffer,
2014 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2015 return (n);
2016 }
2017 n+=cnt;
2018 blkcnt-=cnt;
2019 blknr+=cnt;
2020 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2021 } while (blkcnt > 0);
2022 return (n);
2023 }
2024
2025 /* ------------------------------------------------------------------------- */
2026
2027 #endif /* CONFIG_ATAPI */
2028
2029 U_BOOT_CMD(
2030 ide, 5, 1, do_ide,
2031 "ide - IDE sub-system\n",
2032 "reset - reset IDE controller\n"
2033 "ide info - show available IDE devices\n"
2034 "ide device [dev] - show or set current device\n"
2035 "ide part [dev] - print partition table of one or all IDE devices\n"
2036 "ide read addr blk# cnt\n"
2037 "ide write addr blk# cnt - read/write `cnt'"
2038 " blocks starting at block `blk#'\n"
2039 " to/from memory address `addr'\n"
2040 );
2041
2042 U_BOOT_CMD(
2043 diskboot, 3, 1, do_diskboot,
2044 "diskboot- boot from IDE device\n",
2045 "loadAddr dev:part\n"
2046 );
2047
2048 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */
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