Hi, Haijun.
On 12/10/2013 05:20 PM, Haijun Zhang wrote:
From: Haijun Zhang Haijun.Zhang@freescale.com
Add command class define. Add mmc erase and secure erase define. Add secure erase and trim support bit define.
Signed-off-by: Haijun Zhang haijun.zhang@freescale.com
changes for V4: - no changes changes for V3: - No changes
include/mmc.h | 50 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 49 insertions(+), 1 deletion(-)
diff --git a/include/mmc.h b/include/mmc.h index cb558da..08f0f3e 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -53,6 +53,7 @@ #define COMM_ERR -18 /* Communications Error */ #define TIMEOUT -19 #define IN_PROGRESS -20 /* operation is in progress */ +#define NOT_SUPPORT -21 /* Operation is not support */
#define MMC_CMD_GO_IDLE_STATE 0 #define MMC_CMD_SEND_OP_COND 1 @@ -105,6 +106,39 @@ #define OCR_VOLTAGE_MASK 0x007FFF80 #define OCR_ACCESS_MODE 0x60000000
+/*
- Card Command Classes (CCC)
- (0) Basic protocol functions (CMD0,1,2,3,4,7,9,10,12,13,15)
- (and for SPI, CMD58,59)
- (1) Stream read commands (CMD11)
- (2) Block read commands (CMD16,17,18)
- (3) Stream write commands (CMD20)
- (4) Block write commands (CMD16,24,25,26,27)
- (5) Ability to erase blocks (CMD32,33,34,35,36,37,38,39)
- (6) Able to write protect blocks (CMD28,29,30)
- (7) Able to lock down card (CMD16,CMD42)
- (8) Application specific (CMD55,56,57,ACMD*)
- (9) I/O mode (CMD5,39,40,52,53)
- (10) High speed switch (CMD6,34,35,36,37,50)
- */
+#define CCC_BASIC (1<<0) +#define CCC_STREAM_READ (1<<1) +#define CCC_BLOCK_READ (1<<2) +#define CCC_STREAM_WRITE (1<<3) +#define CCC_BLOCK_WRITE (1<<4) +#define CCC_ERASE (1<<5) +#define CCC_WRITE_PROT (1<<6) +#define CCC_LOCK_CARD (1<<7) +#define CCC_APP_SPEC (1<<8) +#define CCC_IO_MODE (1<<9) +#define CCC_SWITCH (1<<10)
+#define MMC_ERASE_ARG 0x00000000 +#define MMC_SECURE_ERASE_ARG 0x80000000 +#define MMC_TRIM_ARG 0x00000001 +#define MMC_DISCARD_ARG 0x00000003
#define SECURE_ERASE 0x80000000
#define MMC_STATUS_MASK (~0x0206BF7F) @@ -160,8 +194,12 @@ #define EXT_CSD_CARD_TYPE 196 /* RO */ #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ #define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */ +#define EXT_CSD_REL_WR_SEC_C 222 /* RO */ +#define EXT_CSD_ERASE_TIMEOUT_MULT 223 /* RO */ #define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */ #define EXT_CSD_BOOT_MULT 226 /* RO */ +#define EXT_CSD_SEC_ERASE_MULT 230 /* RO */ +#define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */
/*
- EXT_CSD field definitions
@@ -178,6 +216,12 @@ #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ #define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
+/* EXT_CSD[231] */
If you want to add the comment for EXT_CSD[231], I think good like this. /* SEC_FEATURE_SUPPORT[231] Field definitions */
Best Regards, Jaehoon Chung
+#define EXT_CSD_SEC_ER_EN (1<<0) +#define EXT_CSD_SEC_BD_BLK_EN (1<<2) +#define EXT_CSD_SEC_GB_CL_EN (1<<4) +#define EXT_CSD_SEC_SANITIZE (1<<6) /* v4.5 later */
#define EXT_CSD_BOOT_ACK_ENABLE (1 << 6) #define EXT_CSD_BOOT_PARTITION_ENABLE (1 << 3) #define EXT_CSD_PARTITION_ACCESS_ENABLE (1 << 0) @@ -187,7 +231,6 @@ #define EXT_CSD_BOOT_PART_NUM(x) (x << 3) #define EXT_CSD_PARTITION_ACCESS(x) (x << 0)
#define R1_ILLEGAL_COMMAND (1 << 22) #define R1_APP_CMD (1 << 5)
@@ -268,10 +311,15 @@ struct mmc { ushort rca; char part_config; char part_num;
- ushort cmdclass; uint tran_speed; uint read_bl_len; uint write_bl_len; uint erase_grp_size;
- uint erase_timeout_mult;
- char sec_feature_support;
- uint sec_erase_mult;
- uint sec_erase_timeout; u64 capacity; u64 capacity_user; u64 capacity_boot;