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ipq9574: Pass UUID of rootfs partion to kernel in bootargs

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Change-Id: Iba346e7cb5b2e809b873a7f885ec0844e9b4e708
Signed-off-by: anusha <anusharao@codeaurora.org>
This commit is contained in:
anusha 2021-06-18 11:14:28 +05:30 • committed by Gerrit - the friendly Code Review server
parent 580d877a56
commit aa77d3dc01
1 changed files with 49 additions and 0 deletions
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49
board/qca/arm/ipq9574/ipq9574.c
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@ -625,10 +625,59 @@ void disable_caches(void)
/**
* Set the uuid in bootargs variable for mounting rootfilesystem
*/
#ifdef CONFIG_QCA_MMC
int set_uuid_bootargs(char *boot_args, char *part_name, int buflen, bool gpt_flag)
{
int ret, len;
block_dev_desc_t *blk_dev;
disk_partition_t disk_info;
blk_dev = mmc_get_dev(mmc_host.dev_num);
if (!blk_dev) {
printf("Invalid block device name\n");
return -EINVAL;
}
if (buflen <= 0 || buflen > MAX_BOOT_ARGS_SIZE)
return -EINVAL;
#ifdef CONFIG_PARTITION_UUIDS
ret = get_partition_info_efi_by_name(blk_dev,
part_name, &disk_info);
if (ret) {
printf("bootipq: unsupported partition name %s\n",part_name);
return -EINVAL;
}
if ((len = strlcpy(boot_args, "root=PARTUUID=", buflen)) >= buflen)
return -EINVAL;
#else
if ((len = strlcpy(boot_args, "rootfsname=", buflen)) >= buflen)
return -EINVAL;
#endif
boot_args += len;
buflen -= len;
#ifdef CONFIG_PARTITION_UUIDS
if ((len = strlcpy(boot_args, disk_info.uuid, buflen)) >= buflen)
return -EINVAL;
#else
if ((len = strlcpy(boot_args, part_name, buflen)) >= buflen)
return -EINVAL;
#endif
boot_args += len;
buflen -= len;
if (gpt_flag && strlcpy(boot_args, " gpt", buflen) >= buflen)
return -EINVAL;
return 0;
}
#else
int set_uuid_bootargs(char *boot_args, char *part_name, int buflen, bool gpt_flag)
{
return 0;
}
#endif
int board_eth_init(bd_t *bis)
{