From 1741c64d642a95c4bb88a2b03e96c6dc7ed5fe62 Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Tue, 29 Jan 2013 22:58:16 +0000 Subject: [PATCH] mmc: check the revision for sd3.0 Support to check whether the SD3.0 or not. Signed-off-by: Jaehoon Chung Signed-off-by: Kyungmin Park Tested-by: Rommel Custodio --- drivers/mmc/mmc.c | 2 ++ include/mmc.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 72b7254..f65a7b0 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -784,6 +784,8 @@ 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 d5b3a9e..f0d4820 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -30,6 +30,7 @@ #include #define SD_VERSION_SD 0x20000 +#define SD_VERSION_3 (SD_VERSION_SD | 0x300) #define SD_VERSION_2 (SD_VERSION_SD | 0x200) #define SD_VERSION_1_0 (SD_VERSION_SD | 0x100) #define SD_VERSION_1_10 (SD_VERSION_SD | 0x10a) -- 2.7.4