upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
278 lines
7.7 KiB
278 lines
7.7 KiB
/*
|
|
* (C) Copyright 2001
|
|
* Raymond Lo, lo@routefree.com
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
/*
|
|
* Support for harddisk partitions.
|
|
*
|
|
* To be compatible with LinuxPPC and Apple we use the standard Apple
|
|
* SCSI disk partitioning scheme. For more information see:
|
|
* http://developer.apple.com/techpubs/mac/Devices/Devices-126.html#MARKER-14-92
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <ide.h>
|
|
#include "part_dos.h"
|
|
|
|
#if defined(CONFIG_CMD_IDE) || \
|
|
defined(CONFIG_CMD_SATA) || \
|
|
defined(CONFIG_CMD_SCSI) || \
|
|
defined(CONFIG_CMD_USB) || \
|
|
defined(CONFIG_MMC) || \
|
|
defined(CONFIG_SYSTEMACE)
|
|
|
|
/* Convert char[4] in little endian format to the host format integer
|
|
*/
|
|
static inline int le32_to_int(unsigned char *le32)
|
|
{
|
|
return ((le32[3] << 24) +
|
|
(le32[2] << 16) +
|
|
(le32[1] << 8) +
|
|
le32[0]
|
|
);
|
|
}
|
|
|
|
static inline int is_extended(int part_type)
|
|
{
|
|
return (part_type == 0x5 ||
|
|
part_type == 0xf ||
|
|
part_type == 0x85);
|
|
}
|
|
|
|
static inline int is_bootable(dos_partition_t *p)
|
|
{
|
|
return p->boot_ind == 0x80;
|
|
}
|
|
|
|
static void print_one_part(dos_partition_t *p, int ext_part_sector,
|
|
int part_num, unsigned int disksig)
|
|
{
|
|
int lba_start = ext_part_sector + le32_to_int (p->start4);
|
|
int lba_size = le32_to_int (p->size4);
|
|
|
|
printf("%3d\t%-10d\t%-10d\t%08x-%02x\t%02x%s%s\n",
|
|
part_num, lba_start, lba_size, disksig, part_num, p->sys_ind,
|
|
(is_extended(p->sys_ind) ? " Extd" : ""),
|
|
(is_bootable(p) ? " Boot" : ""));
|
|
}
|
|
|
|
static int test_block_type(unsigned char *buffer)
|
|
{
|
|
if((buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) ||
|
|
(buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) ) {
|
|
return (-1);
|
|
} /* no DOS Signature at all */
|
|
if (strncmp((char *)&buffer[DOS_PBR_FSTYPE_OFFSET],"FAT",3)==0 ||
|
|
strncmp((char *)&buffer[DOS_PBR32_FSTYPE_OFFSET],"FAT32",5)==0) {
|
|
return DOS_PBR; /* is PBR */
|
|
}
|
|
return DOS_MBR; /* Is MBR */
|
|
}
|
|
|
|
|
|
int test_part_dos (block_dev_desc_t *dev_desc)
|
|
{
|
|
ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
|
|
|
|
if (dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1)
|
|
return -1;
|
|
|
|
if (test_block_type(buffer) != DOS_MBR)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Print a partition that is relative to its Extended partition table
|
|
*/
|
|
static void print_partition_extended(block_dev_desc_t *dev_desc,
|
|
int ext_part_sector, int relative,
|
|
int part_num, unsigned int disksig)
|
|
{
|
|
ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
|
|
dos_partition_t *pt;
|
|
int i;
|
|
|
|
if (dev_desc->block_read(dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) {
|
|
printf ("** Can't read partition table on %d:%d **\n",
|
|
dev_desc->dev, ext_part_sector);
|
|
return;
|
|
}
|
|
i=test_block_type(buffer);
|
|
if (i != DOS_MBR) {
|
|
printf ("bad MBR sector signature 0x%02x%02x\n",
|
|
buffer[DOS_PART_MAGIC_OFFSET],
|
|
buffer[DOS_PART_MAGIC_OFFSET + 1]);
|
|
return;
|
|
}
|
|
|
|
if (!ext_part_sector)
|
|
disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);
|
|
|
|
/* Print all primary/logical partitions */
|
|
pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
|
|
for (i = 0; i < 4; i++, pt++) {
|
|
/*
|
|
* fdisk does not show the extended partitions that
|
|
* are not in the MBR
|
|
*/
|
|
|
|
if ((pt->sys_ind != 0) &&
|
|
(ext_part_sector == 0 || !is_extended (pt->sys_ind)) ) {
|
|
print_one_part(pt, ext_part_sector, part_num, disksig);
|
|
}
|
|
|
|
/* Reverse engr the fdisk part# assignment rule! */
|
|
if ((ext_part_sector == 0) ||
|
|
(pt->sys_ind != 0 && !is_extended (pt->sys_ind)) ) {
|
|
part_num++;
|
|
}
|
|
}
|
|
|
|
/* Follows the extended partitions */
|
|
pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
|
|
for (i = 0; i < 4; i++, pt++) {
|
|
if (is_extended (pt->sys_ind)) {
|
|
int lba_start = le32_to_int (pt->start4) + relative;
|
|
|
|
print_partition_extended(dev_desc, lba_start,
|
|
ext_part_sector == 0 ? lba_start : relative,
|
|
part_num, disksig);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/* Print a partition that is relative to its Extended partition table
|
|
*/
|
|
static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part_sector,
|
|
int relative, int part_num,
|
|
int which_part, disk_partition_t *info,
|
|
unsigned int disksig)
|
|
{
|
|
ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
|
|
dos_partition_t *pt;
|
|
int i;
|
|
|
|
if (dev_desc->block_read (dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) {
|
|
printf ("** Can't read partition table on %d:%d **\n",
|
|
dev_desc->dev, ext_part_sector);
|
|
return -1;
|
|
}
|
|
if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 ||
|
|
buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) {
|
|
printf ("bad MBR sector signature 0x%02x%02x\n",
|
|
buffer[DOS_PART_MAGIC_OFFSET],
|
|
buffer[DOS_PART_MAGIC_OFFSET + 1]);
|
|
return -1;
|
|
}
|
|
|
|
#ifdef CONFIG_PARTITION_UUIDS
|
|
if (!ext_part_sector)
|
|
disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);
|
|
#endif
|
|
|
|
/* Print all primary/logical partitions */
|
|
pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
|
|
for (i = 0; i < 4; i++, pt++) {
|
|
/*
|
|
* fdisk does not show the extended partitions that
|
|
* are not in the MBR
|
|
*/
|
|
if (((pt->boot_ind & ~0x80) == 0) &&
|
|
(pt->sys_ind != 0) &&
|
|
(part_num == which_part) &&
|
|
(is_extended(pt->sys_ind) == 0)) {
|
|
info->blksz = 512;
|
|
info->start = ext_part_sector + le32_to_int (pt->start4);
|
|
info->size = le32_to_int (pt->size4);
|
|
switch(dev_desc->if_type) {
|
|
case IF_TYPE_IDE:
|
|
case IF_TYPE_SATA:
|
|
case IF_TYPE_ATAPI:
|
|
sprintf ((char *)info->name, "hd%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
case IF_TYPE_SCSI:
|
|
sprintf ((char *)info->name, "sd%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
case IF_TYPE_USB:
|
|
sprintf ((char *)info->name, "usbd%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
case IF_TYPE_DOC:
|
|
sprintf ((char *)info->name, "docd%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
default:
|
|
sprintf ((char *)info->name, "xx%c%d",
|
|
'a' + dev_desc->dev, part_num);
|
|
break;
|
|
}
|
|
/* sprintf(info->type, "%d, pt->sys_ind); */
|
|
sprintf ((char *)info->type, "U-Boot");
|
|
info->bootable = is_bootable(pt);
|
|
#ifdef CONFIG_PARTITION_UUIDS
|
|
sprintf(info->uuid, "%08x-%02x", disksig, part_num);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/* Reverse engr the fdisk part# assignment rule! */
|
|
if ((ext_part_sector == 0) ||
|
|
(pt->sys_ind != 0 && !is_extended (pt->sys_ind)) ) {
|
|
part_num++;
|
|
}
|
|
}
|
|
|
|
/* Follows the extended partitions */
|
|
pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
|
|
for (i = 0; i < 4; i++, pt++) {
|
|
if (is_extended (pt->sys_ind)) {
|
|
int lba_start = le32_to_int (pt->start4) + relative;
|
|
|
|
return get_partition_info_extended (dev_desc, lba_start,
|
|
ext_part_sector == 0 ? lba_start : relative,
|
|
part_num, which_part, info, disksig);
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void print_part_dos (block_dev_desc_t *dev_desc)
|
|
{
|
|
printf("Part\tStart Sector\tNum Sectors\tUUID\t\tType\n");
|
|
print_partition_extended(dev_desc, 0, 0, 1, 0);
|
|
}
|
|
|
|
int get_partition_info_dos (block_dev_desc_t *dev_desc, int part, disk_partition_t * info)
|
|
{
|
|
return get_partition_info_extended(dev_desc, 0, 0, 1, part, info, 0);
|
|
}
|
|
|
|
|
|
#endif
|
|
|