cmd: mmc: allow to write protect single boot partition
add arguments for mmc wp to assign which boot partition to protect.
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/cmd/mmc.c b/cmd/mmc.c
index 63bf69b..f7b02b3 100644
--- a/cmd/mmc.c
+++ b/cmd/mmc.c
@@ -1048,6 +1048,7 @@
{
int err;
struct mmc *mmc;
+ int part;
mmc = init_mmc_device(curr_device, false);
if (!mmc)
@@ -1056,7 +1057,14 @@
printf("It is not an eMMC device\n");
return CMD_RET_FAILURE;
}
- err = mmc_boot_wp(mmc);
+
+ if (argc == 2) {
+ part = dectoul(argv[1], NULL);
+ err = mmc_boot_wp_single_partition(mmc, part);
+ } else {
+ err = mmc_boot_wp(mmc);
+ }
+
if (err)
return CMD_RET_FAILURE;
printf("boot areas protected\n");
@@ -1066,7 +1074,7 @@
static struct cmd_tbl cmd_mmc[] = {
U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
- U_BOOT_CMD_MKENT(wp, 1, 0, do_mmc_boot_wp, "", ""),
+ U_BOOT_CMD_MKENT(wp, 2, 0, do_mmc_boot_wp, "", ""),
#if CONFIG_IS_ENABLED(MMC_WRITE)
U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
@@ -1140,7 +1148,11 @@
" [MMC_LEGACY, MMC_HS, SD_HS, MMC_HS_52, MMC_DDR_52, UHS_SDR12, UHS_SDR25,\n"
" UHS_SDR50, UHS_DDR50, UHS_SDR104, MMC_HS_200, MMC_HS_400, MMC_HS_400_ES]\n"
"mmc list - lists available devices\n"
- "mmc wp - power on write protect boot partitions\n"
+ "mmc wp [PART] - power on write protect boot partitions\n"
+ " arguments:\n"
+ " PART - [0|1]\n"
+ " : 0 - first boot partition, 1 - second boot partition\n"
+ " if not assigned, write protect all boot partitions\n"
#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
"mmc hwpartition <USER> <GP> <MODE> - does hardware partitioning\n"
" arguments (sizes in 512-byte blocks):\n"