3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
33 #define PRINTF(fmt,args...) printf (fmt ,##args)
35 #define PRINTF(fmt,args...)
38 /* Rather than repeat this expression each time, add a define for it */
39 #if (defined(CONFIG_CMD_IDE) || \
40 defined(CONFIG_CMD_SATA) || \
41 defined(CONFIG_CMD_SCSI) || \
42 defined(CONFIG_CMD_USB) || \
43 defined(CONFIG_MMC) || \
44 defined(CONFIG_SYSTEMACE) )
45 #define HAVE_BLOCK_DEVICE
50 block_dev_desc_t* (*get_dev)(int dev);
53 static const struct block_drvr block_drvr[] = {
54 #if defined(CONFIG_CMD_IDE)
55 { .name = "ide", .get_dev = ide_get_dev, },
57 #if defined(CONFIG_CMD_PATA)
58 { .name = "pata", .get_dev = pata_get_dev, },
60 #if defined(CONFIG_CMD_SATA)
61 {.name = "sata", .get_dev = sata_get_dev, },
63 #if defined(CONFIG_CMD_SCSI)
64 { .name = "scsi", .get_dev = scsi_get_dev, },
66 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
67 { .name = "usb", .get_dev = usb_stor_get_dev, },
69 #if defined(CONFIG_MMC)
70 { .name = "mmc", .get_dev = mmc_get_dev, },
72 #if defined(CONFIG_SYSTEMACE)
73 { .name = "ace", .get_dev = systemace_get_dev, },
78 DECLARE_GLOBAL_DATA_PTR;
80 #ifdef HAVE_BLOCK_DEVICE
81 block_dev_desc_t *get_dev(const char *ifname, int dev)
83 const struct block_drvr *drvr = block_drvr;
84 block_dev_desc_t* (*reloc_get_dev)(int dev);
91 #ifdef CONFIG_NEEDS_MANUAL_RELOC
92 name += gd->reloc_off;
96 reloc_get_dev = drvr->get_dev;
97 #ifdef CONFIG_NEEDS_MANUAL_RELOC
98 name += gd->reloc_off;
99 reloc_get_dev += gd->reloc_off;
101 if (strncmp(ifname, name, strlen(name)) == 0)
102 return reloc_get_dev(dev);
108 block_dev_desc_t *get_dev(const char *ifname, int dev)
114 #ifdef HAVE_BLOCK_DEVICE
116 /* ------------------------------------------------------------------------- */
118 * reports device info to the user
122 typedef uint64_t lba512_t;
124 typedef lbaint_t lba512_t;
128 * Overflowless variant of (block_count * mul_by / div_by)
129 * when div_by > mul_by
131 static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
133 lba512_t bc_quot, bc_rem;
135 /* x * m / d == x / d * m + (x % d) * m / d */
136 bc_quot = block_count / div_by;
137 bc_rem = block_count - div_by * bc_quot;
138 return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
141 void dev_print (block_dev_desc_t *dev_desc)
143 lba512_t lba512; /* number of blocks if 512bytes block size */
145 if (dev_desc->type == DEV_TYPE_UNKNOWN) {
146 puts ("not available\n");
150 switch (dev_desc->if_type) {
152 printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
153 dev_desc->target,dev_desc->lun,
161 printf ("Model: %s Firm: %s Ser#: %s\n",
169 printf ("Vendor: %s Rev: %s Prod: %s\n",
175 puts("device type DOC\n");
177 case IF_TYPE_UNKNOWN:
178 puts("device type unknown\n");
181 printf("Unhandled device type: %i\n", dev_desc->if_type);
185 if (dev_desc->removable)
187 switch (dev_desc->type & 0x1F) {
188 case DEV_TYPE_HARDDISK:
194 case DEV_TYPE_OPDISK:
195 puts ("Optical Device");
201 printf ("# %02X #", dev_desc->type & 0x1F);
205 if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
206 ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
211 lba512 = (lba * (dev_desc->blksz/512));
212 /* round to 1 digit */
213 mb = lba512_muldiv(lba512, 10, 2048); /* 2048 = (1024 * 1024) / 512 MB */
216 mb_rem = mb - (10 * mb_quot);
220 gb_rem = gb - (10 * gb_quot);
223 printf (" Supports 48-bit addressing\n");
225 #if defined(CONFIG_SYS_64BIT_LBA)
226 printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
232 printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
239 puts (" Capacity: not available\n");
244 #ifdef HAVE_BLOCK_DEVICE
246 void init_part (block_dev_desc_t * dev_desc)
248 #ifdef CONFIG_ISO_PARTITION
249 if (test_part_iso(dev_desc) == 0) {
250 dev_desc->part_type = PART_TYPE_ISO;
255 #ifdef CONFIG_MAC_PARTITION
256 if (test_part_mac(dev_desc) == 0) {
257 dev_desc->part_type = PART_TYPE_MAC;
262 /* must be placed before DOS partition detection */
263 #ifdef CONFIG_EFI_PARTITION
264 if (test_part_efi(dev_desc) == 0) {
265 dev_desc->part_type = PART_TYPE_EFI;
270 #ifdef CONFIG_DOS_PARTITION
271 if (test_part_dos(dev_desc) == 0) {
272 dev_desc->part_type = PART_TYPE_DOS;
277 #ifdef CONFIG_AMIGA_PARTITION
278 if (test_part_amiga(dev_desc) == 0) {
279 dev_desc->part_type = PART_TYPE_AMIGA;
283 dev_desc->part_type = PART_TYPE_UNKNOWN;
287 #if defined(CONFIG_MAC_PARTITION) || \
288 defined(CONFIG_DOS_PARTITION) || \
289 defined(CONFIG_ISO_PARTITION) || \
290 defined(CONFIG_AMIGA_PARTITION) || \
291 defined(CONFIG_EFI_PARTITION)
293 static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
295 puts ("\nPartition Map for ");
296 switch (dev_desc->if_type) {
322 printf (" device %d -- Partition Type: %s\n\n",
323 dev_desc->dev, type);
326 #endif /* any CONFIG_..._PARTITION */
328 void print_part (block_dev_desc_t * dev_desc)
331 switch (dev_desc->part_type) {
332 #ifdef CONFIG_MAC_PARTITION
334 PRINTF ("## Testing for valid MAC partition ##\n");
335 print_part_header ("MAC", dev_desc);
336 print_part_mac (dev_desc);
339 #ifdef CONFIG_DOS_PARTITION
341 PRINTF ("## Testing for valid DOS partition ##\n");
342 print_part_header ("DOS", dev_desc);
343 print_part_dos (dev_desc);
347 #ifdef CONFIG_ISO_PARTITION
349 PRINTF ("## Testing for valid ISO Boot partition ##\n");
350 print_part_header ("ISO", dev_desc);
351 print_part_iso (dev_desc);
355 #ifdef CONFIG_AMIGA_PARTITION
356 case PART_TYPE_AMIGA:
357 PRINTF ("## Testing for a valid Amiga partition ##\n");
358 print_part_header ("AMIGA", dev_desc);
359 print_part_amiga (dev_desc);
363 #ifdef CONFIG_EFI_PARTITION
365 PRINTF ("## Testing for valid EFI partition ##\n");
366 print_part_header ("EFI", dev_desc);
367 print_part_efi (dev_desc);
371 puts ("## Unknown partition table\n");
374 #endif /* HAVE_BLOCK_DEVICE */
376 int get_partition_info(block_dev_desc_t *dev_desc, int part
377 , disk_partition_t *info)
379 #ifdef HAVE_BLOCK_DEVICE
381 #ifdef CONFIG_PARTITION_UUIDS
382 /* The common case is no UUID support */
386 switch (dev_desc->part_type) {
387 #ifdef CONFIG_MAC_PARTITION
389 if (get_partition_info_mac(dev_desc, part, info) == 0) {
390 PRINTF("## Valid MAC partition found ##\n");
396 #ifdef CONFIG_DOS_PARTITION
398 if (get_partition_info_dos(dev_desc, part, info) == 0) {
399 PRINTF("## Valid DOS partition found ##\n");
405 #ifdef CONFIG_ISO_PARTITION
407 if (get_partition_info_iso(dev_desc, part, info) == 0) {
408 PRINTF("## Valid ISO boot partition found ##\n");
414 #ifdef CONFIG_AMIGA_PARTITION
415 case PART_TYPE_AMIGA:
416 if (get_partition_info_amiga(dev_desc, part, info) == 0) {
417 PRINTF("## Valid Amiga partition found ##\n");
423 #ifdef CONFIG_EFI_PARTITION
425 if (get_partition_info_efi(dev_desc, part, info) == 0) {
426 PRINTF("## Valid EFI partition found ##\n");
434 #endif /* HAVE_BLOCK_DEVICE */
439 int get_device(const char *ifname, const char *dev_str,
440 block_dev_desc_t **dev_desc)
445 dev = simple_strtoul(dev_str, &ep, 16);
447 printf("** Bad device specification %s %s **\n",
452 *dev_desc = get_dev(ifname, dev);
453 if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
454 printf("** Bad device %s %s **\n", ifname, dev_str);
461 #define PART_UNSPECIFIED -2
463 #define MAX_SEARCH_PARTITIONS 16
464 int get_device_and_partition(const char *ifname, const char *dev_part_str,
465 block_dev_desc_t **dev_desc,
466 disk_partition_t *info, int allow_whole_dev)
469 const char *part_str;
470 char *dup_str = NULL;
476 disk_partition_t tmpinfo;
478 /* If no dev_part_str, use bootdevice environment variable */
479 if (!dev_part_str || !strlen(dev_part_str) ||
480 !strcmp(dev_part_str, "-"))
481 dev_part_str = getenv("bootdevice");
483 /* If still no dev_part_str, it's an error */
485 printf("** No device specified **\n");
489 /* Separate device and partition ID specification */
490 part_str = strchr(dev_part_str, ':');
492 dup_str = strdup(dev_part_str);
493 dup_str[part_str - dev_part_str] = 0;
497 dev_str = dev_part_str;
500 /* Look up the device */
501 dev = get_device(ifname, dev_str, dev_desc);
505 /* Convert partition ID string to number */
506 if (!part_str || !*part_str) {
507 part = PART_UNSPECIFIED;
508 } else if (!strcmp(part_str, "auto")) {
511 /* Something specified -> use exactly that */
512 part = (int)simple_strtoul(part_str, &ep, 16);
514 * Less than whole string converted,
515 * or request for whole device, but caller requires partition.
517 if (*ep || (part == 0 && !allow_whole_dev)) {
518 printf("** Bad partition specification %s %s **\n",
519 ifname, dev_part_str);
525 * No partition table on device,
526 * or user requested partition 0 (entire device).
528 if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) ||
530 if (!(*dev_desc)->lba) {
531 printf("** Bad device size - %s %s **\n", ifname,
537 * If user specified a partition ID other than 0,
538 * or the calling command only accepts partitions,
541 if ((part > 0) || (!allow_whole_dev)) {
542 printf("** No partition table - %s %s **\n", ifname,
548 info->size = (*dev_desc)->lba;
549 info->blksz = (*dev_desc)->blksz;
551 strcpy((char *)info->type, BOOT_PART_TYPE);
552 strcpy((char *)info->name, "Whole Disk");
553 #ifdef CONFIG_PARTITION_UUIDS
562 * Now there's known to be a partition table,
563 * not specifying a partition means to pick partition 1.
565 if (part == PART_UNSPECIFIED)
569 * If user didn't specify a partition number, or did specify something
570 * other than "auto", use that partition number directly.
572 if (part != PART_AUTO) {
573 ret = get_partition_info(*dev_desc, part, info);
575 printf("** Invalid partition %d **\n", part);
580 * Find the first bootable partition.
581 * If none are bootable, fall back to the first valid partition.
584 for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
585 ret = get_partition_info(*dev_desc, p, info);
590 * First valid partition, or new better partition?
591 * If so, save partition ID.
593 if (!part || info->bootable)
596 /* Best possible partition? Stop searching. */
601 * We now need to search further for best possible.
602 * If we what we just queried was the best so far,
603 * save the info since we over-write it next loop.
608 /* If we found any acceptable partition */
611 * If we searched all possible partition IDs,
612 * return the first valid partition we found.
614 if (p == MAX_SEARCH_PARTITIONS + 1)
617 printf("** No valid partitions found **\n");
622 if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
623 printf("** Invalid partition type \"%.32s\""
624 " (expect \"" BOOT_PART_TYPE "\")\n",