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29#include <common.h>
30#include <asm/io.h>
31#include <pci.h>
32#include <command.h>
33#include <config.h>
34#include <ide.h>
35#include <ata.h>
36
37#ifdef CFG_SATA_SUPPORTED
38
39#define DEBUG_SATA 0
40
41#define SATA_DECL
42#include <sata.h>
43#undef SATA_DECL
44
45static u8 __inline__
46sata_inb (unsigned long ioaddr)
47{
48 return inb (ioaddr);
49}
50
51static void __inline__
52sata_outb (unsigned char val, unsigned long ioaddr)
53{
54 outb (val, ioaddr);
55}
56
57static void
58output_data (struct sata_ioports *ioaddr, ulong * sect_buf, int words)
59{
60 outsw (ioaddr->data_addr, sect_buf, words << 1);
61}
62
63static int
64input_data (struct sata_ioports *ioaddr, ulong * sect_buf, int words)
65{
66 insw (ioaddr->data_addr, sect_buf, words << 1);
67 return 0;
68}
69
70static void
71sata_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
72{
73 unsigned char *end, *last;
74
75 last = dst;
76 end = src + len - 1;
77
78
79 if (len < 2)
80 goto OUT;
81
82
83 while ((*src) && (src < end) && (*src == ' '))
84 ++src;
85
86
87 while ((*src) && (src < end)) {
88 *dst++ = *src;
89 if (*src++ != ' ')
90 last = dst;
91 }
92 OUT:
93 *last = '\0';
94}
95
96int
97sata_bus_softreset (int num)
98{
99 u8 dev = 0, status = 0, i;
100
101 port[num].dev_mask = 0;
102
103 for (i = 0; i < CFG_SATA_DEVS_PER_BUS; i++) {
104 if (!(sata_devchk (&port[num].ioaddr, i))) {
105 PRINTF ("dev_chk failed for dev#%d\n", i);
106 } else {
107 port[num].dev_mask |= (1 << i);
108 PRINTF ("dev_chk passed for dev#%d\n", i);
109 }
110 }
111
112 if (!(port[num].dev_mask)) {
113 printf ("no devices on port%d\n", num);
114 return 1;
115 }
116
117 dev_select (&port[num].ioaddr, dev);
118
119 port[num].ctl_reg = 0x08;
120 sata_outb (port[num].ctl_reg, port[num].ioaddr.ctl_addr);
121 udelay (10);
122 sata_outb (port[num].ctl_reg | ATA_SRST, port[num].ioaddr.ctl_addr);
123 udelay (10);
124 sata_outb (port[num].ctl_reg, port[num].ioaddr.ctl_addr);
125
126
127
128
129
130
131
132
133
134 msleep (150);
135 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 300);
136 while ((status & ATA_BUSY)) {
137 msleep (100);
138 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 3);
139 }
140
141 if (status & ATA_BUSY)
142 printf ("ata%u is slow to respond,plz be patient\n", port);
143
144 while ((status & ATA_BUSY)) {
145 msleep (100);
146 status = sata_chk_status (&port[num].ioaddr);
147 }
148
149 if (status & ATA_BUSY) {
150 printf ("ata%u failed to respond : ", port);
151 printf ("bus reset failed\n");
152 return 1;
153 }
154 return 0;
155}
156
157void
158sata_identify (int num, int dev)
159{
160 u8 cmd = 0, status = 0, devno = num * CFG_SATA_DEVS_PER_BUS + dev;
161 u16 iobuf[ATA_SECT_SIZE];
162 u64 n_sectors = 0;
163 u8 mask = 0;
164
165 memset (iobuf, 0, sizeof (iobuf));
166 hd_driveid_t *iop = (hd_driveid_t *) iobuf;
167
168 if (dev == 0)
169 mask = 0x01;
170 else
171 mask = 0x02;
172
173 if (!(port[num].dev_mask & mask)) {
174 printf ("dev%d is not present on port#%d\n", dev, num);
175 return;
176 }
177
178 printf ("port=%d dev=%d\n", num, dev);
179
180 dev_select (&port[num].ioaddr, dev);
181
182 status = 0;
183 cmd = ATA_CMD_IDENT;
184 sata_outb (cmd, port[num].ioaddr.command_addr);
185 sata_inb (port[num].ioaddr.altstatus_addr);
186 udelay (10);
187
188 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 1000);
189 if (status & ATA_ERR) {
190 printf ("\ndevice not responding\n");
191 port[num].dev_mask &= ~mask;
192 return;
193 }
194
195 input_data (&port[num].ioaddr, (ulong *) iobuf, ATA_SECTORWORDS);
196
197 PRINTF ("\nata%u: dev %u cfg 49:%04x 82:%04x 83:%04x 84:%04x85:%04x"
198 "86:%04x" "87:%04x 88:%04x\n", num, dev, iobuf[49],
199 iobuf[82], iobuf[83], iobuf[84], iobuf[85], iobuf[86],
200 iobuf[87], iobuf[88]);
201
202
203 if (!ata_id_has_dma (iobuf) || !ata_id_has_lba (iobuf)) {
204 PRINTF ("ata%u: no dma/lba\n", num);
205 }
206 ata_dump_id (iobuf);
207
208 if (ata_id_has_lba48 (iobuf)) {
209 n_sectors = ata_id_u64 (iobuf, 100);
210 } else {
211 n_sectors = ata_id_u32 (iobuf, 60);
212 }
213 PRINTF ("no. of sectors %u\n", ata_id_u64 (iobuf, 100));
214 PRINTF ("no. of sectors %u\n", ata_id_u32 (iobuf, 60));
215
216 if (n_sectors == 0) {
217 port[num].dev_mask &= ~mask;
218 return;
219 }
220
221 sata_cpy (sata_dev_desc[devno].revision, iop->fw_rev,
222 sizeof (sata_dev_desc[devno].revision));
223 sata_cpy (sata_dev_desc[devno].vendor, iop->model,
224 sizeof (sata_dev_desc[devno].vendor));
225 sata_cpy (sata_dev_desc[devno].product, iop->serial_no,
226 sizeof (sata_dev_desc[devno].product));
227 strswab (sata_dev_desc[devno].revision);
228 strswab (sata_dev_desc[devno].vendor);
229
230 if ((iop->config & 0x0080) == 0x0080) {
231 sata_dev_desc[devno].removable = 1;
232 } else {
233 sata_dev_desc[devno].removable = 0;
234 }
235
236 sata_dev_desc[devno].lba = iop->lba_capacity;
237 PRINTF ("lba=0x%x", sata_dev_desc[devno].lba);
238
239#ifdef CONFIG_LBA48
240 if (iop->command_set_2 & 0x0400) {
241 sata_dev_desc[devno].lba48 = 1;
242 lba = (unsigned long long) iop->lba48_capacity[0] |
243 ((unsigned long long) iop->lba48_capacity[1] << 16) |
244 ((unsigned long long) iop->lba48_capacity[2] << 32) |
245 ((unsigned long long) iop->lba48_capacity[3] << 48);
246 } else {
247 sata_dev_desc[devno].lba48 = 0;
248 }
249#endif
250
251
252 sata_dev_desc[devno].type = DEV_TYPE_HARDDISK;
253 sata_dev_desc[devno].blksz = ATA_BLOCKSIZE;
254 sata_dev_desc[devno].lun = 0;
255}
256
257void
258set_Feature_cmd (int num, int dev)
259{
260 u8 mask = 0x00, status = 0;
261
262 if (dev == 0)
263 mask = 0x01;
264 else
265 mask = 0x02;
266
267 if (!(port[num].dev_mask & mask)) {
268 PRINTF ("dev%d is not present on port#%d\n", dev, num);
269 return;
270 }
271
272 dev_select (&port[num].ioaddr, dev);
273
274 sata_outb (SETFEATURES_XFER, port[num].ioaddr.feature_addr);
275 sata_outb (XFER_PIO_4, port[num].ioaddr.nsect_addr);
276 sata_outb (0, port[num].ioaddr.lbal_addr);
277 sata_outb (0, port[num].ioaddr.lbam_addr);
278 sata_outb (0, port[num].ioaddr.lbah_addr);
279
280 sata_outb (ATA_DEVICE_OBS, port[num].ioaddr.device_addr);
281 sata_outb (ATA_CMD_SETF, port[num].ioaddr.command_addr);
282
283 udelay (50);
284 msleep (150);
285
286 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 5000);
287 if ((status & (ATA_STAT_BUSY | ATA_STAT_ERR))) {
288 printf ("Error : status 0x%02x\n", status);
289 port[num].dev_mask &= ~mask;
290 }
291}
292
293void
294sata_port (struct sata_ioports *ioport)
295{
296 ioport->data_addr = ioport->cmd_addr + ATA_REG_DATA;
297 ioport->error_addr = ioport->cmd_addr + ATA_REG_ERR;
298 ioport->feature_addr = ioport->cmd_addr + ATA_REG_FEATURE;
299 ioport->nsect_addr = ioport->cmd_addr + ATA_REG_NSECT;
300 ioport->lbal_addr = ioport->cmd_addr + ATA_REG_LBAL;
301 ioport->lbam_addr = ioport->cmd_addr + ATA_REG_LBAM;
302 ioport->lbah_addr = ioport->cmd_addr + ATA_REG_LBAH;
303 ioport->device_addr = ioport->cmd_addr + ATA_REG_DEVICE;
304 ioport->status_addr = ioport->cmd_addr + ATA_REG_STATUS;
305 ioport->command_addr = ioport->cmd_addr + ATA_REG_CMD;
306}
307
308int
309sata_devchk (struct sata_ioports *ioaddr, int dev)
310{
311 u8 nsect, lbal;
312
313 dev_select (ioaddr, dev);
314
315 sata_outb (0x55, ioaddr->nsect_addr);
316 sata_outb (0xaa, ioaddr->lbal_addr);
317
318 sata_outb (0xaa, ioaddr->nsect_addr);
319 sata_outb (0x55, ioaddr->lbal_addr);
320
321 sata_outb (0x55, ioaddr->nsect_addr);
322 sata_outb (0xaa, ioaddr->lbal_addr);
323
324 nsect = sata_inb (ioaddr->nsect_addr);
325 lbal = sata_inb (ioaddr->lbal_addr);
326
327 if ((nsect == 0x55) && (lbal == 0xaa))
328 return 1;
329 else
330 return 0;
331}
332
333void
334dev_select (struct sata_ioports *ioaddr, int dev)
335{
336 u8 tmp = 0;
337
338 if (dev == 0)
339 tmp = ATA_DEVICE_OBS;
340 else
341 tmp = ATA_DEVICE_OBS | ATA_DEV1;
342
343 sata_outb (tmp, ioaddr->device_addr);
344 sata_inb (ioaddr->altstatus_addr);
345 udelay (5);
346}
347
348u8
349sata_busy_wait (struct sata_ioports *ioaddr, int bits, unsigned int max)
350{
351 u8 status;
352
353 do {
354 udelay (1000);
355 status = sata_chk_status (ioaddr);
356 max--;
357 } while ((status & bits) && (max > 0));
358
359 return status;
360}
361
362u8
363sata_chk_status (struct sata_ioports * ioaddr)
364{
365 return sata_inb (ioaddr->status_addr);
366}
367
368void
369msleep (int count)
370{
371 int i;
372
373 for (i = 0; i < count; i++)
374 udelay (1000);
375}
376
377ulong
378sata_read (int device, ulong blknr,lbaint_t blkcnt, void * buff)
379{
380 ulong n = 0, *buffer = (ulong *)buff;
381 u8 dev = 0, num = 0, mask = 0, status = 0;
382
383#ifdef CONFIG_LBA48
384 unsigned char lba48 = 0;
385
386 if (blknr & 0x0000fffff0000000) {
387 if (!sata_dev_desc[devno].lba48) {
388 printf ("Drive doesn't support 48-bit addressing\n");
389 return 0;
390 }
391
392 lba48 = 1;
393 }
394#endif
395
396 num = device / CFG_SATA_DEVS_PER_BUS;
397
398 if (device >= CFG_SATA_DEVS_PER_BUS)
399 dev = device - CFG_SATA_DEVS_PER_BUS;
400 else
401 dev = device;
402
403 if (dev == 0)
404 mask = 0x01;
405 else
406 mask = 0x02;
407
408 if (!(port[num].dev_mask & mask)) {
409 printf ("dev%d is not present on port#%d\n", dev, num);
410 return 0;
411 }
412
413
414 dev_select (&port[num].ioaddr, dev);
415
416 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500);
417 if (status & ATA_BUSY) {
418 printf ("ata%u failed to respond\n", port[num].port_no);
419 return n;
420 }
421 while (blkcnt-- > 0) {
422 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500);
423 if (status & ATA_BUSY) {
424 printf ("ata%u failed to respond\n", 0);
425 return n;
426 }
427#ifdef CONFIG_LBA48
428 if (lba48) {
429
430 sata_outb (0, port[num].ioaddr.nsect_addr);
431 sata_outb ((blknr >> 24) & 0xFF,
432 port[num].ioaddr.lbal_addr);
433 sata_outb ((blknr >> 32) & 0xFF,
434 port[num].ioaddr.lbam_addr);
435 sata_outb ((blknr >> 40) & 0xFF,
436 port[num].ioaddr.lbah_addr);
437 }
438#endif
439 sata_outb (1, port[num].ioaddr.nsect_addr);
440 sata_outb (((blknr) >> 0) & 0xFF,
441 port[num].ioaddr.lbal_addr);
442 sata_outb ((blknr >> 8) & 0xFF, port[num].ioaddr.lbam_addr);
443 sata_outb ((blknr >> 16) & 0xFF, port[num].ioaddr.lbah_addr);
444
445#ifdef CONFIG_LBA48
446 if (lba48) {
447 sata_outb (ATA_LBA, port[num].ioaddr.device_addr);
448 sata_outb (ATA_CMD_READ_EXT,
449 port[num].ioaddr.command_addr);
450 } else
451#endif
452 {
453 sata_outb (ATA_LBA | ((blknr >> 24) & 0xF),
454 port[num].ioaddr.device_addr);
455 sata_outb (ATA_CMD_READ,
456 port[num].ioaddr.command_addr);
457 }
458
459 msleep (50);
460
461 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 4000);
462
463 if ((status & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR))
464 != ATA_STAT_DRQ) {
465 u8 err = 0;
466
467 printf ("Error no DRQ dev %d blk %ld: sts 0x%02x\n",
468 device, (ulong) blknr, status);
469 err = sata_inb (port[num].ioaddr.error_addr);
470 printf ("Error reg = 0x%x\n", err);
471 return (n);
472 }
473 input_data (&port[num].ioaddr, buffer, ATA_SECTORWORDS);
474 sata_inb (port[num].ioaddr.altstatus_addr);
475 udelay (50);
476
477 ++n;
478 ++blknr;
479 buffer += ATA_SECTORWORDS;
480 }
481 return n;
482}
483
484ulong
485sata_write (int device, ulong blknr,lbaint_t blkcnt, void * buff)
486{
487 ulong n = 0, *buffer = (ulong *)buff;
488 unsigned char status = 0, num = 0, dev = 0, mask = 0;
489
490#ifdef CONFIG_LBA48
491 unsigned char lba48 = 0;
492
493 if (blknr & 0x0000fffff0000000) {
494 if (!sata_dev_desc[devno].lba48) {
495 printf ("Drive doesn't support 48-bit addressing\n");
496 return 0;
497 }
498
499 lba48 = 1;
500 }
501#endif
502
503 num = device / CFG_SATA_DEVS_PER_BUS;
504
505 if (device >= CFG_SATA_DEVS_PER_BUS)
506 dev = device - CFG_SATA_DEVS_PER_BUS;
507 else
508 dev = device;
509
510 if (dev == 0)
511 mask = 0x01;
512 else
513 mask = 0x02;
514
515
516 dev_select (&port[num].ioaddr, dev);
517
518 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500);
519 if (status & ATA_BUSY) {
520 printf ("ata%u failed to respond\n", port[num].port_no);
521 return n;
522 }
523
524 while (blkcnt-- > 0) {
525 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500);
526 if (status & ATA_BUSY) {
527 printf ("ata%u failed to respond\n",
528 port[num].port_no);
529 return n;
530 }
531#ifdef CONFIG_LBA48
532 if (lba48) {
533
534 sata_outb (0, port[num].ioaddr.nsect_addr);
535 sata_outb ((blknr >> 24) & 0xFF,
536 port[num].ioaddr.lbal_addr);
537 sata_outb ((blknr >> 32) & 0xFF,
538 port[num].ioaddr.lbam_addr);
539 sata_outb ((blknr >> 40) & 0xFF,
540 port[num].ioaddr.lbah_addr);
541 }
542#endif
543 sata_outb (1, port[num].ioaddr.nsect_addr);
544 sata_outb ((blknr >> 0) & 0xFF, port[num].ioaddr.lbal_addr);
545 sata_outb ((blknr >> 8) & 0xFF, port[num].ioaddr.lbam_addr);
546 sata_outb ((blknr >> 16) & 0xFF, port[num].ioaddr.lbah_addr);
547#ifdef CONFIG_LBA48
548 if (lba48) {
549 sata_outb (ATA_LBA, port[num].ioaddr.device_addr);
550 sata_outb (ATA_CMD_WRITE_EXT,
551 port[num].ioaddr.command_addr);
552 } else
553#endif
554 {
555 sata_outb (ATA_LBA | ((blknr >> 24) & 0xF),
556 port[num].ioaddr.device_addr);
557 sata_outb (ATA_CMD_WRITE,
558 port[num].ioaddr.command_addr);
559 }
560
561 msleep (50);
562
563 status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 4000);
564 if ((status & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR))
565 != ATA_STAT_DRQ) {
566 printf ("Error no DRQ dev %d blk %ld: sts 0x%02x\n",
567 device, (ulong) blknr, status);
568 return (n);
569 }
570
571 output_data (&port[num].ioaddr, buffer, ATA_SECTORWORDS);
572 sata_inb (port[num].ioaddr.altstatus_addr);
573 udelay (50);
574
575 ++n;
576 ++blknr;
577 buffer += ATA_SECTORWORDS;
578 }
579 return n;
580}
581
582block_dev_desc_t *sata_get_dev (int dev);
583
584block_dev_desc_t *
585sata_get_dev (int dev)
586{
587 return ((block_dev_desc_t *) & sata_dev_desc[dev]);
588}
589
590int
591do_sata (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
592{
593
594 switch (argc) {
595 case 0:
596 case 1:
597 printf ("Usage:\n%s\n", cmdtp->usage);
598 return 1;
599 case 2:
600 if (strncmp (argv[1], "init", 4) == 0) {
601 int rcode = 0;
602
603 rcode = init_sata ();
604 if (rcode)
605 printf ("Sata initialization Failed\n");
606 return rcode;
607 } else if (strncmp (argv[1], "inf", 3) == 0) {
608 int i;
609
610 putc ('\n');
611 for (i = 0; i < CFG_SATA_MAXDEVICES; ++i) {
612
613 if (sata_dev_desc[i].type ==
614 DEV_TYPE_UNKNOWN)
615 continue;
616 printf ("sata dev %d: ", i);
617 dev_print (&sata_dev_desc[i]);
618 }
619 return 0;
620 }
621 printf ("Usage:\n%s\n", cmdtp->usage);
622 return 1;
623 case 3:
624 if (strcmp (argv[1], "dev") == 0) {
625 int dev = (int) simple_strtoul (argv[2], NULL, 10);
626
627 if (dev >= CFG_SATA_MAXDEVICES) {
628 printf ("\nSata dev %d not available\n",
629 dev);
630 return 1;
631 }
632 printf ("\nSATA dev %d: ", dev);
633 dev_print (&sata_dev_desc[dev]);
634 if (sata_dev_desc[dev].type == DEV_TYPE_UNKNOWN)
635 return 1;
636 curr_dev = dev;
637 return 0;
638 } else if (strcmp (argv[1], "part") == 0) {
639 int dev = (int) simple_strtoul (argv[2], NULL, 10);
640
641 if (dev >= CFG_SATA_MAXDEVICES) {
642 printf ("\nSata dev %d not available\n",
643 dev);
644 return 1;
645 }
646 PRINTF ("\nSATA dev %d: ", dev);
647 if (sata_dev_desc[dev].part_type !=
648 PART_TYPE_UNKNOWN) {
649 print_part (&sata_dev_desc[dev]);
650 } else {
651 printf ("\nSata dev %d partition type "
652 "unknown\n", dev);
653 return 1;
654 }
655 return 0;
656 }
657 printf ("Usage:\n%s\n", cmdtp->usage);
658 return 1;
659 default:
660 if (argc < 5) {
661 printf ("Usage:\n%s\n", cmdtp->usage);
662 return 1;
663 }
664 if (strcmp (argv[1], "read") == 0) {
665 ulong addr = simple_strtoul (argv[2], NULL, 16);
666 ulong cnt = simple_strtoul (argv[4], NULL, 16);
667 ulong n;
668 lbaint_t blk = simple_strtoul (argv[3], NULL, 16);
669
670 memset ((int *) addr, 0, cnt * 512);
671 printf ("\nSATA read: dev %d blk # %ld,"
672 "count %ld ... ", curr_dev, blk, cnt);
673 n = sata_read (curr_dev, blk, cnt, (ulong *) addr);
674
675 flush_cache (addr, cnt * 512);
676 printf ("%ld blocks read: %s\n", n,
677 (n == cnt) ? "OK" : "ERR");
678 if (n == cnt)
679 return 1;
680 else
681 return 0;
682 } else if (strcmp (argv[1], "write") == 0) {
683 ulong addr = simple_strtoul (argv[2], NULL, 16);
684 ulong cnt = simple_strtoul (argv[4], NULL, 16);
685 ulong n;
686 lbaint_t blk = simple_strtoul (argv[3], NULL, 16);
687
688 printf ("\nSata write: dev %d blk # %ld,"
689 "count %ld ... ", curr_dev, blk, cnt);
690 n = sata_write (curr_dev, blk, cnt, (ulong *) addr);
691 printf ("%ld blocks written: %s\n", n,
692 (n == cnt) ? "OK" : "ERR");
693 if (n == cnt)
694 return 1;
695 else
696 return 0;
697 } else {
698 printf ("Usage:\n%s\n", cmdtp->usage);
699 return 1;
700 }
701 }
702}
703
704U_BOOT_CMD (sata, 5, 1, do_sata,
705 "sata init\n"
706 "sata info\n"
707 "sata part device\n"
708 "sata dev device\n"
709 "sata read addr blk# cnt\n"
710 "sata write addr blk# cnt\n", "cmd for init,rw and dev-info\n");
711
712#endif
713
