mmc-utils: add ability to enable/disable optional eMMC cache
The MMC4.5 specification added an optional cache for eMMC devices.
This change will add the ability to enable/disable the cache.
Signed-off-by: Al Cooper <acooperx@gmail.com>
Signed-off-by: Chris Ball <chris@printf.net>
diff --git a/mmc.h b/mmc.h
index d57cad5..b7063fb 100644
--- a/mmc.h
+++ b/mmc.h
@@ -42,12 +42,17 @@
#define EXT_CSD_S_CMD_SET 504
#define EXT_CSD_HPI_FEATURE 503
#define EXT_CSD_BKOPS_SUPPORT 502 /* RO */
+#define EXT_CSD_CACHE_SIZE_3 252
+#define EXT_CSD_CACHE_SIZE_2 251
+#define EXT_CSD_CACHE_SIZE_1 250
+#define EXT_CSD_CACHE_SIZE_0 249
#define EXT_CSD_BOOT_INFO 228 /* R/W */
#define EXT_CSD_SEC_COUNT_3 215
#define EXT_CSD_SEC_COUNT_2 214
#define EXT_CSD_SEC_COUNT_1 213
#define EXT_CSD_SEC_COUNT_0 212
#define EXT_CSD_PART_SWITCH_TIME 199
+#define EXT_CSD_REV 192
#define EXT_CSD_BOOT_CFG 179
#define EXT_CSD_PART_CONFIG 179
#define EXT_CSD_BOOT_BUS_CONDITIONS 177
@@ -88,6 +93,7 @@
#define EXT_CSD_DATA_SECTOR_SIZE 61 /* R */
#define EXT_CSD_EXT_PARTITIONS_ATTRIBUTE_1 53
#define EXT_CSD_EXT_PARTITIONS_ATTRIBUTE_0 52
+#define EXT_CSD_CACHE_CTRL 33
/*
* WR_REL_PARAM field definitions
@@ -131,6 +137,15 @@
#define EXT_CSD_ENH_2 (1<<2)
#define EXT_CSD_ENH_1 (1<<1)
#define EXT_CSD_ENH_USR (1<<0)
+#define EXT_CSD_REV_V5_1 8
+#define EXT_CSD_REV_V5_0 7
+#define EXT_CSD_REV_V4_5 6
+#define EXT_CSD_REV_V4_4_1 5
+#define EXT_CSD_REV_V4_3 3
+#define EXT_CSD_REV_V4_2 2
+#define EXT_CSD_REV_V4_1 1
+#define EXT_CSD_REV_V4_0 0
+
/* From kernel linux/mmc/core.h */
#define MMC_RSP_PRESENT (1 << 0)