/*
- * Copyright 2008, Freescale Semiconductor, Inc
+ * Copyright 2008,2010 Freescale Semiconductor, Inc
* Andy Fleming
*
* Based (loosely) on the Linux code
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
#define MMC_MODE_HS_52MHz 0x010
#define MMC_MODE_4BIT 0x100
#define MMC_MODE_8BIT 0x200
+#define MMC_MODE_SPI 0x400
+#define MMC_MODE_HC 0x800
+
+#define MMC_MODE_MASK_WIDTH_BITS (MMC_MODE_4BIT | MMC_MODE_8BIT)
+#define MMC_MODE_WIDTH_BITS_SHIFT 8
#define SD_DATA_4BIT 0x00040000
-#define IS_SD(x) (mmc->version & SD_VERSION_SD)
+#define IS_SD(x) (x->version & SD_VERSION_SD)
#define MMC_DATA_READ 1
#define MMC_DATA_WRITE 2
#define MMC_CMD_READ_MULTIPLE_BLOCK 18
#define MMC_CMD_WRITE_SINGLE_BLOCK 24
#define MMC_CMD_WRITE_MULTIPLE_BLOCK 25
+#define MMC_CMD_ERASE_GROUP_START 35
+#define MMC_CMD_ERASE_GROUP_END 36
+#define MMC_CMD_ERASE 38
#define MMC_CMD_APP_CMD 55
+#define MMC_CMD_SPI_READ_OCR 58
+#define MMC_CMD_SPI_CRC_ON_OFF 59
#define SD_CMD_SEND_RELATIVE_ADDR 3
#define SD_CMD_SWITCH_FUNC 6
#define SD_CMD_SEND_IF_COND 8
#define SD_CMD_APP_SET_BUS_WIDTH 6
+#define SD_CMD_ERASE_WR_BLK_START 32
+#define SD_CMD_ERASE_WR_BLK_END 33
#define SD_CMD_APP_SEND_OP_COND 41
#define SD_CMD_APP_SEND_SCR 51
#define MMC_HS_TIMING 0x00000100
#define MMC_HS_52MHZ 0x2
-#define OCR_BUSY 0x80
-#define OCR_HCS 0x40000000
+#define OCR_BUSY 0x80000000
+#define OCR_HCS 0x40000000
+#define OCR_VOLTAGE_MASK 0x007FFF80
+#define OCR_ACCESS_MODE 0x60000000
+
+#define SECURE_ERASE 0x80000000
+
+#define MMC_STATUS_MASK (~0x0206BF7F)
+#define MMC_STATUS_RDY_FOR_DATA (1 << 8)
+#define MMC_STATUS_CURR_STATE (0xf << 9)
+#define MMC_STATUS_ERROR (1 << 19)
+
+#define MMC_STATE_PRG (7 << 9)
#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */
#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
/*
* EXT_CSD fields
*/
-
-#define EXT_CSD_BUS_WIDTH 183 /* R/W */
-#define EXT_CSD_HS_TIMING 185 /* R/W */
-#define EXT_CSD_CARD_TYPE 196 /* RO */
-#define EXT_CSD_REV 192 /* RO */
-#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
+#define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */
+#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
+#define EXT_CSD_PART_CONF 179 /* R/W */
+#define EXT_CSD_BUS_WIDTH 183 /* R/W */
+#define EXT_CSD_HS_TIMING 185 /* R/W */
+#define EXT_CSD_REV 192 /* RO */
+#define EXT_CSD_CARD_TYPE 196 /* RO */
+#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
+#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
/*
* EXT_CSD field definitions
*/
-#define EXT_CSD_CMD_SET_NORMAL (1<<0)
-#define EXT_CSD_CMD_SET_SECURE (1<<1)
-#define EXT_CSD_CMD_SET_CPSECURE (1<<2)
+#define EXT_CSD_CMD_SET_NORMAL (1 << 0)
+#define EXT_CSD_CMD_SET_SECURE (1 << 1)
+#define EXT_CSD_CMD_SET_CPSECURE (1 << 2)
-#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */
-#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */
+#define EXT_CSD_CARD_TYPE_26 (1 << 0) /* Card can run at 26MHz */
+#define EXT_CSD_CARD_TYPE_52 (1 << 1) /* Card can run at 52MHz */
#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
#define R1_APP_CMD (1 << 5)
#define MMC_RSP_PRESENT (1 << 0)
-#define MMC_RSP_136 (1 << 1) /* 136 bit response */
-#define MMC_RSP_CRC (1 << 2) /* expect valid crc */
-#define MMC_RSP_BUSY (1 << 3) /* card may send busy */
-#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */
+#define MMC_RSP_136 (1 << 1) /* 136 bit response */
+#define MMC_RSP_CRC (1 << 2) /* expect valid crc */
+#define MMC_RSP_BUSY (1 << 3) /* card may send busy */
+#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */
-#define MMC_RSP_NONE (0)
-#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_NONE (0)
+#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R1b (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE| \
MMC_RSP_BUSY)
-#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
-#define MMC_RSP_R3 (MMC_RSP_PRESENT)
-#define MMC_RSP_R4 (MMC_RSP_PRESENT)
-#define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
-#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
-#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
+#define MMC_RSP_R3 (MMC_RSP_PRESENT)
+#define MMC_RSP_R4 (MMC_RSP_PRESENT)
+#define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMCPART_NOAVAILABLE (0xff)
+#define PART_ACCESS_MASK (0x7)
+#define PART_SUPPORT (0x1)
struct mmc_cid {
unsigned long psn;
char pnm[7];
};
-struct mmc_csd
-{
- u8 csd_structure:2,
- spec_vers:4,
- rsvd1:2;
- u8 taac;
- u8 nsac;
- u8 tran_speed;
- u16 ccc:12,
- read_bl_len:4;
- u64 read_bl_partial:1,
- write_blk_misalign:1,
- read_blk_misalign:1,
- dsr_imp:1,
- rsvd2:2,
- c_size:12,
- vdd_r_curr_min:3,
- vdd_r_curr_max:3,
- vdd_w_curr_min:3,
- vdd_w_curr_max:3,
- c_size_mult:3,
- sector_size:5,
- erase_grp_size:5,
- wp_grp_size:5,
- wp_grp_enable:1,
- default_ecc:2,
- r2w_factor:3,
- write_bl_len:4,
- write_bl_partial:1,
- rsvd3:5;
- u8 file_format_grp:1,
- copy:1,
- perm_write_protect:1,
- tmp_write_protect:1,
- file_format:2,
- ecc:2;
- u8 crc:7;
- u8 one:1;
-};
-
struct mmc_cmd {
ushort cmdidx;
uint resp_type;
uint cmdarg;
- char response[18];
+ uint response[4];
uint flags;
};
void *priv;
uint voltages;
uint version;
+ uint has_init;
uint f_min;
uint f_max;
int high_capacity;
uint ocr;
uint scr[2];
uint csd[4];
- char cid[16];
+ uint cid[4];
ushort rca;
+ char part_config;
+ char part_num;
uint tran_speed;
uint read_bl_len;
uint write_bl_len;
+ uint erase_grp_size;
u64 capacity;
block_dev_desc_t block_dev;
int (*send_cmd)(struct mmc *mmc,
struct mmc_cmd *cmd, struct mmc_data *data);
void (*set_ios)(struct mmc *mmc);
int (*init)(struct mmc *mmc);
+ int (*getcd)(struct mmc *mmc);
+ uint b_max;
};
int mmc_register(struct mmc *mmc);
int mmc_initialize(bd_t *bis);
int mmc_init(struct mmc *mmc);
int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size);
+void mmc_set_clock(struct mmc *mmc, uint clock);
struct mmc *find_mmc_device(int dev_num);
+int mmc_set_dev(int dev_num);
void print_mmc_devices(char separator);
-
-#ifndef CONFIG_GENERIC_MMC
+int get_mmc_num(void);
+int board_mmc_getcd(struct mmc *mmc);
+int mmc_switch_part(int dev_num, unsigned int part_num);
+int mmc_getcd(struct mmc *mmc);
+
+#ifdef CONFIG_GENERIC_MMC
+#define mmc_host_is_spi(mmc) ((mmc)->host_caps & MMC_MODE_SPI)
+struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode);
+#else
int mmc_legacy_init(int verbose);
#endif
+
#endif /* _MMC_H_ */