cmd: cache: Fix non-cached memory cachability

[oweals/u-boot.git] / cmd / mmc.c

diff --git a/cmd/mmc.c b/cmd/mmc.c
index 6d71208a2072e8beb65f9beb30e65973212a67e8..6142ec8e2058abda9f5eb425e83fd3eb246e2416 100644 (file)
--- a/cmd/mmc.c
+++ b/cmd/mmc.c
@@ -896,9 +896,30 @@ static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag,
 }
 #endif
 
+static int do_mmc_boot_wp(cmd_tbl_t *cmdtp, int flag,
+                         int argc, char * const argv[])
+{
+       int err;
+       struct mmc *mmc;
+
+       mmc = init_mmc_device(curr_device, false);
+       if (!mmc)
+               return CMD_RET_FAILURE;
+       if (IS_SD(mmc)) {
+               printf("It is not an eMMC device\n");
+               return CMD_RET_FAILURE;
+       }
+       err = mmc_boot_wp(mmc);
+       if (err)
+               return CMD_RET_FAILURE;
+       printf("boot areas protected\n");
+       return CMD_RET_SUCCESS;
+}
+
 static cmd_tbl_t 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, "", ""),
 #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, "", ""),
@@ -968,6 +989,7 @@ U_BOOT_CMD(
        "mmc part - lists available partition on current mmc device\n"
        "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
        "mmc list - lists available devices\n"
+       "mmc wp - power on write protect booot partitions\n"
 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
        "mmc hwpartition [args...] - does hardware partitioning\n"
        "  arguments (sizes in 512-byte blocks):\n"