mmc: core: add eMMC hardware reset support

[pandora-kernel.git] / include / linux / mmc / mmc.h

diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 5a794cb..ed8fca8 100644 (file)
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -272,6 +272,7 @@ struct _mmc_csd {
 
 #define EXT_CSD_PARTITION_ATTRIBUTE    156     /* R/W */
 #define EXT_CSD_PARTITION_SUPPORT      160     /* RO */
+#define EXT_CSD_RST_N_FUNCTION         162     /* R/W */
 #define EXT_CSD_WR_REL_PARAM           166     /* RO */
 #define EXT_CSD_ERASE_GROUP_DEF                175     /* R/W */
 #define EXT_CSD_PART_CONFIG            179     /* R/W */
@@ -328,6 +329,9 @@ struct _mmc_csd {
 #define EXT_CSD_SEC_BD_BLK_EN  BIT(2)
 #define EXT_CSD_SEC_GB_CL_EN   BIT(4)
 
+#define EXT_CSD_RST_N_EN_MASK  0x3
+#define EXT_CSD_RST_N_ENABLED  1       /* RST_n is enabled on card */
+
 /*
  * MMC_SWITCH access modes
  */