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authorJaehoon Chung <jh80.chung@samsung.com>2011-02-24 04:46:11 (GMT)
committerChris Ball <cjb@laptop.org>2011-03-15 17:51:47 (GMT)
commit41babf753cc82ab6208903625a084bf305c32d06 (patch)
tree1418a029223084fc3860a64683b3a65b0baeec0a /drivers/mmc/host/dw_mmc.h
parente7054ba1f73c0a0e2489251499bdbc21b88b4190 (diff)
downloadlinux-41babf753cc82ab6208903625a084bf305c32d06.tar.xz
mmc: dw_mmc: support DDR mode
This patch adds DDR mode support to dw_mmc. If we set any bit in UHS_REG bit[16:31], the card of that slot is supported for DDR mode. For example, if UHS_REG[16] is set, card number 0 is DDR mode. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.h')
-rw-r--r--drivers/mmc/host/dw_mmc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
index 5dd55a7..23c662a 100644
--- a/drivers/mmc/host/dw_mmc.h
+++ b/drivers/mmc/host/dw_mmc.h
@@ -43,6 +43,7 @@
#define SDMMC_USRID 0x068
#define SDMMC_VERID 0x06c
#define SDMMC_HCON 0x070
+#define SDMMC_UHS_REG 0x074
#define SDMMC_BMOD 0x080
#define SDMMC_PLDMND 0x084
#define SDMMC_DBADDR 0x088
@@ -51,7 +52,6 @@
#define SDMMC_DSCADDR 0x094
#define SDMMC_BUFADDR 0x098
#define SDMMC_DATA 0x100
-#define SDMMC_DATA_ADR 0x100
/* shift bit field */
#define _SBF(f, v) ((v) << (f))