mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 22:33:18 +00:00
f7ae49fc4f
Move this header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
250 lines
5.6 KiB
C
250 lines
5.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2000
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*/
|
|
|
|
/*
|
|
* 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 <log.h>
|
|
#include <memalign.h>
|
|
#include <ide.h>
|
|
#include "part_mac.h"
|
|
#include <part.h>
|
|
|
|
#ifdef CONFIG_HAVE_BLOCK_DEVICE
|
|
|
|
/* stdlib.h causes some compatibility problems; should fixe these! -- wd */
|
|
#ifndef __ldiv_t_defined
|
|
typedef struct {
|
|
long int quot; /* Quotient */
|
|
long int rem; /* Remainder */
|
|
} ldiv_t;
|
|
extern ldiv_t ldiv (long int __numer, long int __denom);
|
|
# define __ldiv_t_defined 1
|
|
#endif
|
|
|
|
|
|
static int part_mac_read_ddb(struct blk_desc *dev_desc,
|
|
mac_driver_desc_t *ddb_p);
|
|
static int part_mac_read_pdb(struct blk_desc *dev_desc, int part,
|
|
mac_partition_t *pdb_p);
|
|
|
|
/*
|
|
* Test for a valid MAC partition
|
|
*/
|
|
static int part_test_mac(struct blk_desc *dev_desc)
|
|
{
|
|
ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
|
|
ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1);
|
|
ulong i, n;
|
|
|
|
if (part_mac_read_ddb (dev_desc, ddesc)) {
|
|
/*
|
|
* error reading Driver Descriptor Block,
|
|
* or no valid Signature
|
|
*/
|
|
return (-1);
|
|
}
|
|
|
|
n = 1; /* assuming at least one partition */
|
|
for (i=1; i<=n; ++i) {
|
|
if ((blk_dread(dev_desc, i, 1, (ulong *)mpart) != 1) ||
|
|
(mpart->signature != MAC_PARTITION_MAGIC) ) {
|
|
return (-1);
|
|
}
|
|
/* update partition count */
|
|
n = mpart->map_count;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void part_print_mac(struct blk_desc *dev_desc)
|
|
{
|
|
ulong i, n;
|
|
ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
|
|
ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1);
|
|
ldiv_t mb, gb;
|
|
|
|
if (part_mac_read_ddb (dev_desc, ddesc)) {
|
|
/*
|
|
* error reading Driver Descriptor Block,
|
|
* or no valid Signature
|
|
*/
|
|
return;
|
|
}
|
|
|
|
n = ddesc->blk_count;
|
|
|
|
mb = ldiv(n, ((1024 * 1024) / ddesc->blk_size)); /* MB */
|
|
/* round to 1 digit */
|
|
mb.rem *= 10 * ddesc->blk_size;
|
|
mb.rem += 512 * 1024;
|
|
mb.rem /= 1024 * 1024;
|
|
|
|
gb = ldiv(10 * mb.quot + mb.rem, 10240);
|
|
gb.rem += 512;
|
|
gb.rem /= 1024;
|
|
|
|
|
|
printf ("Block Size=%d, Number of Blocks=%d, "
|
|
"Total Capacity: %ld.%ld MB = %ld.%ld GB\n"
|
|
"DeviceType=0x%x, DeviceId=0x%x\n\n"
|
|
" #: type name"
|
|
" length base (size)\n",
|
|
ddesc->blk_size,
|
|
ddesc->blk_count,
|
|
mb.quot, mb.rem, gb.quot, gb.rem,
|
|
ddesc->dev_type, ddesc->dev_id
|
|
);
|
|
|
|
n = 1; /* assuming at least one partition */
|
|
for (i=1; i<=n; ++i) {
|
|
ulong bytes;
|
|
char c;
|
|
|
|
printf ("%4ld: ", i);
|
|
if (blk_dread(dev_desc, i, 1, (ulong *)mpart) != 1) {
|
|
printf ("** Can't read Partition Map on %d:%ld **\n",
|
|
dev_desc->devnum, i);
|
|
return;
|
|
}
|
|
|
|
if (mpart->signature != MAC_PARTITION_MAGIC) {
|
|
printf("** Bad Signature on %d:%ld - expected 0x%04x, got 0x%04x\n",
|
|
dev_desc->devnum, i, MAC_PARTITION_MAGIC,
|
|
mpart->signature);
|
|
return;
|
|
}
|
|
|
|
/* update partition count */
|
|
n = mpart->map_count;
|
|
|
|
c = 'k';
|
|
bytes = mpart->block_count;
|
|
bytes /= (1024 / ddesc->blk_size); /* kB; assumes blk_size == 512 */
|
|
if (bytes >= 1024) {
|
|
bytes >>= 10;
|
|
c = 'M';
|
|
}
|
|
if (bytes >= 1024) {
|
|
bytes >>= 10;
|
|
c = 'G';
|
|
}
|
|
|
|
printf ("%20.32s %-18.32s %10u @ %-10u (%3ld%c)\n",
|
|
mpart->type,
|
|
mpart->name,
|
|
mpart->block_count,
|
|
mpart->start_block,
|
|
bytes, c
|
|
);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* Read Device Descriptor Block
|
|
*/
|
|
static int part_mac_read_ddb(struct blk_desc *dev_desc,
|
|
mac_driver_desc_t *ddb_p)
|
|
{
|
|
if (blk_dread(dev_desc, 0, 1, (ulong *)ddb_p) != 1) {
|
|
debug("** Can't read Driver Descriptor Block **\n");
|
|
return (-1);
|
|
}
|
|
|
|
if (ddb_p->signature != MAC_DRIVER_MAGIC) {
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Read Partition Descriptor Block
|
|
*/
|
|
static int part_mac_read_pdb(struct blk_desc *dev_desc, int part,
|
|
mac_partition_t *pdb_p)
|
|
{
|
|
int n = 1;
|
|
|
|
for (;;) {
|
|
/*
|
|
* We must always read the descritpor block for
|
|
* partition 1 first since this is the only way to
|
|
* know how many partitions we have.
|
|
*/
|
|
if (blk_dread(dev_desc, n, 1, (ulong *)pdb_p) != 1) {
|
|
printf ("** Can't read Partition Map on %d:%d **\n",
|
|
dev_desc->devnum, n);
|
|
return (-1);
|
|
}
|
|
|
|
if (pdb_p->signature != MAC_PARTITION_MAGIC) {
|
|
printf("** Bad Signature on %d:%d: expected 0x%04x, got 0x%04x\n",
|
|
dev_desc->devnum, n, MAC_PARTITION_MAGIC,
|
|
pdb_p->signature);
|
|
return (-1);
|
|
}
|
|
|
|
if (n == part)
|
|
return (0);
|
|
|
|
if ((part < 1) || (part > pdb_p->map_count)) {
|
|
printf ("** Invalid partition %d:%d [%d:1...%d:%d only]\n",
|
|
dev_desc->devnum, part,
|
|
dev_desc->devnum,
|
|
dev_desc->devnum, pdb_p->map_count);
|
|
return (-1);
|
|
}
|
|
|
|
/* update partition count */
|
|
n = part;
|
|
}
|
|
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
static int part_get_info_mac(struct blk_desc *dev_desc, int part,
|
|
struct disk_partition *info)
|
|
{
|
|
ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
|
|
ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1);
|
|
|
|
if (part_mac_read_ddb (dev_desc, ddesc)) {
|
|
return (-1);
|
|
}
|
|
|
|
info->blksz = ddesc->blk_size;
|
|
|
|
if (part_mac_read_pdb (dev_desc, part, mpart)) {
|
|
return (-1);
|
|
}
|
|
|
|
info->start = mpart->start_block;
|
|
info->size = mpart->block_count;
|
|
memcpy (info->type, mpart->type, sizeof(info->type));
|
|
memcpy (info->name, mpart->name, sizeof(info->name));
|
|
|
|
return (0);
|
|
}
|
|
|
|
U_BOOT_PART_TYPE(mac) = {
|
|
.name = "MAC",
|
|
.part_type = PART_TYPE_MAC,
|
|
.max_entries = MAC_ENTRY_NUMBERS,
|
|
.get_info = part_get_info_mac,
|
|
.print = part_print_mac,
|
|
.test = part_test_mac,
|
|
};
|
|
#endif
|