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authorStefano Babic <sbabic@denx.de>2014-01-26 12:11:54 +0100
committerStefano Babic <sbabic@denx.de>2014-01-26 12:11:54 +0100
commit707acd01ded3c60a4e277f7c5432d397897b4dfd (patch)
tree5730e1e1f0bac6c1aeddc261cb412fc3d5f220fd /common/cmd_mmc.c
parentbe2a3bb39adf1fdd274fc427e30ef62eb86441a1 (diff)
parentc71b4dd2da0dcddabd7c29e6c3dc8a495d4bd928 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'common/cmd_mmc.c')
-rw-r--r--common/cmd_mmc.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index 67a94a7..da5fef9 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -340,6 +340,28 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
}
#endif /* CONFIG_SUPPORT_EMMC_BOOT */
}
+
+ else if (argc == 3 && strcmp(argv[1], "setdsr") == 0) {
+ struct mmc *mmc = find_mmc_device(curr_device);
+ u32 val = simple_strtoul(argv[2], NULL, 16);
+ int ret;
+
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", curr_device);
+ return 1;
+ }
+ ret = mmc_set_dsr(mmc, val);
+ printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR");
+ if (!ret) {
+ mmc->has_init = 0;
+ if (mmc_init(mmc))
+ return 1;
+ else
+ return 0;
+ }
+ return ret;
+ }
+
state = MMC_INVALID;
if (argc == 5 && strcmp(argv[1], "read") == 0)
state = MMC_READ;
@@ -423,5 +445,6 @@ U_BOOT_CMD(
"mmc bootpart <device num> <boot part size MB> <RPMB part size MB>\n"
" - change sizes of boot and RPMB partitions of specified device\n"
#endif
+ "mmc setdsr - set DSR register value\n"
);
#endif /* !CONFIG_GENERIC_MMC */