[U-Boot] [PATCH] mmc: check the revision for sd3.0

[Jaehoon Chung]

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(-)

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)
-- 
1.7.5.4