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/*
* (C) Copyright 2001
* Yonghui.yu , Amlogic Inc, yonghui.yu@amlogic.com.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#ifdef HAVE_BLOCK_DEVICE
extern int get_part_info_from_tbl(block_dev_desc_t * dev_desc,
int part_num, disk_partition_t * info);
int get_part_info_by_name(block_dev_desc_t *dev_desc,
const char *name, disk_partition_t *info);
#define AML_PART_DEBUG (0)
#if (AML_PART_DEBUG)
#define PRINTF(fmt,args...) printf (fmt ,##args)
#else
#define PRINTF(fmt,args...)
#endif
#define AML_SEC_SIZE (512)
#define MAGIC_OFFSET (1)
/* read back boot partitons */
static int _get_partition_info_aml(block_dev_desc_t * dev_desc,
int part_num, disk_partition_t * info, int verb)
{
int ret = 0;
if (IF_TYPE_MMC != dev_desc->if_type)
return -1;
info->blksz=dev_desc->blksz;
sprintf ((char *)info->type, "U-Boot");
/* using partition name in partition tables */
ret = get_part_info_from_tbl(dev_desc, part_num, info);
if (ret) {
printf ("** Partition %d not found on device %d **\n",
part_num,dev_desc->dev);
return -1;
}
PRINTF(" part %d found @ %lx size %lx\n",part_num,info->start,info->size);
return 0;
}
int get_partition_info_aml(block_dev_desc_t * dev_desc,
int part_num, disk_partition_t * info)
{
return(_get_partition_info_aml(dev_desc, part_num, info, 1));
}
int get_partition_info_aml_by_name(block_dev_desc_t *dev_desc,
const char *name, disk_partition_t *info)
{
return (get_part_info_by_name(dev_desc,
name, info));
}
void print_part_aml(block_dev_desc_t * dev_desc)
{
disk_partition_t info;
int i;
if (_get_partition_info_aml(dev_desc,0,&info,0) == -1) {
printf("** No boot partition found on device %d **\n",dev_desc->dev);
return;
}
printf("Part Start Sect x Size Type name\n");
i=0;
do {
printf(" %02d " LBAFU " " LBAFU " %6ld %.32s %.32s\n",
i++, info.start, info.size, info.blksz, info.type, info.name);
} while (_get_partition_info_aml(dev_desc,i,&info,0)!=-1);
}
#define AML_MPT_OFFSET (73728) /* 36M */
/* fix 40Mbyte to check the MPT magic */
int test_part_aml (block_dev_desc_t *dev_desc)
{
ALLOC_CACHE_ALIGN_BUFFER(char, buffer, dev_desc->blksz);
if (IF_TYPE_MMC != dev_desc->if_type)
return 1;
if (dev_desc->block_read(dev_desc->dev, AML_MPT_OFFSET, 1, (ulong *) buffer) != 1)
return -1;
if (!strncmp(buffer, "MPT", 3))
return 0;
return 1;
}
#endif
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