From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Tue, 29 Jan 2013 22:58:16 +0000 (+0000)
Subject: mmc: check the revision for sd3.0
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=1741c64d642a95c4bb88a2b03e96c6dc7ed5fe62;p=u-boot.git

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>
Tested-by: Rommel Custodio <sessyargc@gmail.com>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 72b725462e..f65a7b005a 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 d5b3a9ea38..f0d4820627 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 | 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)