From: Taylor Hutt thutt@chromium.org
The interpretation of the data returned by the MMC_CMD_ALL_SEND_CID command was incorrect with respect to the JEDEC Standard No. 84-A441.
This change makes the interpretation correct with respect to the defined fields of the CID register.
Signed-off-by: Simon Glass sjg@chromium.org Signed-off-by: Taylor Hutt thutt@chromium.org --- drivers/mmc/mmc.c | 16 +++++++++------- 1 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index a60cfe1..18a037d 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1226,13 +1226,15 @@ int mmc_startup(struct mmc *mmc) mmc->block_dev.type = 0; mmc->block_dev.blksz = mmc->read_bl_len; mmc->block_dev.lba = lldiv(mmc->capacity, mmc->read_bl_len); - sprintf(mmc->block_dev.vendor, "Man %06x Snr %08x", mmc->cid[0] >> 8, - (mmc->cid[2] << 8) | (mmc->cid[3] >> 24)); - sprintf(mmc->block_dev.product, "%c%c%c%c%c", mmc->cid[0] & 0xff, - (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff, - (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff); - sprintf(mmc->block_dev.revision, "%d.%d", mmc->cid[2] >> 28, - (mmc->cid[2] >> 24) & 0xf); + sprintf(mmc->block_dev.vendor, "Man %06x Snr %04x%04x", + mmc->cid[0] >> 24, (mmc->cid[2] & 0xffff), + (mmc->cid[3] >> 16) & 0xffff); + sprintf(mmc->block_dev.product, "%c%c%c%c%c%c", 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) & 0xff); + sprintf(mmc->block_dev.revision, "%d.%d", (mmc->cid[2] >> 20) & 0xf, + (mmc->cid[2] >> 16) & 0xf); #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBDISK_SUPPORT) init_part(&mmc->block_dev); #endif