]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
cmd/mmc: fix output of mmc info for e-MMC
authorMax Merchel <Max.Merchel@tq-group.com>
Thu, 10 Feb 2022 09:16:39 +0000 (10:16 +0100)
committerJaehoon Chung <jh80.chung@samsung.com>
Wed, 16 Mar 2022 07:40:57 +0000 (16:40 +0900)
e-MMC and SD standards differ for some CID fields:

- 6 Byte Name - assigned by Manufacturer (SD 5 Byte)
- 1 Byte OEM - assigned by Jedec  (SD 2 Byte)

See e-MMC standard (JEDEC Standard No. 84-B51), 7.2.3 (OID) and 7.2.4 (PNM)

Signed-off-by: Max Merchel <Max.Merchel@tq-group.com>
Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
cmd/mmc.c

index 503dbb6199c51bd29cb096320afda1e470ba2508..7464f8d00cd2d9d94e01e01937aede0986f829cc 100644 (file)
--- a/cmd/mmc.c
+++ b/cmd/mmc.c
@@ -22,10 +22,18 @@ static void print_mmcinfo(struct mmc *mmc)
 
        printf("Device: %s\n", mmc->cfg->name);
        printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
-       printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
-       printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
-                       (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
-                       (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
+       if (IS_SD(mmc)) {
+               printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
+               printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
+               (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
+               (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
+       } else {
+               printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xff);
+               printf("Name: %c%c%c%c%c%c \n", mmc->cid[0] & 0xff,
+               (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
+               (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff,
+               (mmc->cid[2] >> 24));
+       }
 
        printf("Bus Speed: %d\n", mmc->clock);
 #if CONFIG_IS_ENABLED(MMC_VERBOSE)