[U-Boot] [PATCH] mmc: check the revision for sd3.0
Support to check whether the SD3.0 or not.
Signed-off-by: Jaehoon Chung jh80.chung@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com --- drivers/mmc/mmc.c | 2 ++ include/mmc.h | 1 + 2 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 72e8ce6..b704d8b 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -759,6 +759,8 @@ retry_scr: break; case 2: mmc->version = SD_VERSION_2; + if ((mmc->scr[0] >> 15) & 0x1) + mmc->version = SD_VERSION_3; break; default: mmc->version = SD_VERSION_1_0; diff --git a/include/mmc.h b/include/mmc.h index a13e2bd..7c8f325 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -30,6 +30,7 @@ #include <linux/compiler.h>
#define SD_VERSION_SD 0x20000 +#define SD_VERSION_3 (SD_VERSION_SD | 0x30) #define SD_VERSION_2 (SD_VERSION_SD | 0x20) #define SD_VERSION_1_0 (SD_VERSION_SD | 0x10) #define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a)
Dear Jaehoon,
Jaehoon Chung <jh80.chung <at> samsung.com> writes:
Support to check whether the SD3.0 or not.
Signed-off-by: Jaehoon Chung <jh80.chung <at> samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park <at> samsung.com>
drivers/mmc/mmc.c | 2 ++ include/mmc.h | 1 + 2 files changed, 3 insertions(+), 0 deletions(-)
Tested-by: Rommel Custodio sessyargc@gmail.com
Note: The change only reflects in the output of mmcinfo. The functionality of mmc_send_if_cond() and sd_send_op_cond() is unaffected.
All the best, Rommel
On Tue, Jan 29, 2013 at 10:58:16PM -0000, Jaehoon Chung wrote:
Support to check whether the SD3.0 or not.
Signed-off-by: Jaehoon Chung jh80.chung@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com Tested-by: Rommel Custodio sessyargc@gmail.com
Applied to u-boot/master with a fixup to apply / be correct with the other patch also applied, thanks!
participants (3)
-
Jaehoon Chung -
Rommel Custodio -
Tom Rini