#define _MMC_H_
#include <linux/list.h>
+#include <linux/compiler.h>
#define SD_VERSION_SD 0x20000
-#define SD_VERSION_2 (SD_VERSION_SD | 0x20)
-#define SD_VERSION_1_0 (SD_VERSION_SD | 0x10)
-#define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a)
+#define SD_VERSION_3 (SD_VERSION_SD | 0x300)
+#define SD_VERSION_2 (SD_VERSION_SD | 0x200)
+#define SD_VERSION_1_0 (SD_VERSION_SD | 0x100)
+#define SD_VERSION_1_10 (SD_VERSION_SD | 0x10a)
#define MMC_VERSION_MMC 0x10000
#define MMC_VERSION_UNKNOWN (MMC_VERSION_MMC)
-#define MMC_VERSION_1_2 (MMC_VERSION_MMC | 0x12)
-#define MMC_VERSION_1_4 (MMC_VERSION_MMC | 0x14)
-#define MMC_VERSION_2_2 (MMC_VERSION_MMC | 0x22)
-#define MMC_VERSION_3 (MMC_VERSION_MMC | 0x30)
-#define MMC_VERSION_4 (MMC_VERSION_MMC | 0x40)
+#define MMC_VERSION_1_2 (MMC_VERSION_MMC | 0x102)
+#define MMC_VERSION_1_4 (MMC_VERSION_MMC | 0x104)
+#define MMC_VERSION_2_2 (MMC_VERSION_MMC | 0x202)
+#define MMC_VERSION_3 (MMC_VERSION_MMC | 0x300)
+#define MMC_VERSION_4 (MMC_VERSION_MMC | 0x400)
+#define MMC_VERSION_4_1 (MMC_VERSION_MMC | 0x401)
+#define MMC_VERSION_4_2 (MMC_VERSION_MMC | 0x402)
+#define MMC_VERSION_4_3 (MMC_VERSION_MMC | 0x403)
+#define MMC_VERSION_4_41 (MMC_VERSION_MMC | 0x429)
+#define MMC_VERSION_4_5 (MMC_VERSION_MMC | 0x405)
#define MMC_MODE_HS 0x001
#define MMC_MODE_HS_52MHz 0x010
#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) (x->version & SD_VERSION_SD)
#define UNUSABLE_ERR -17 /* Unusable Card */
#define COMM_ERR -18 /* Communications Error */
#define TIMEOUT -19
+#define IN_PROGRESS -20 /* operation is in progress */
#define MMC_CMD_GO_IDLE_STATE 0
#define MMC_CMD_SEND_OP_COND 1
#define MMC_CMD_APP_CMD 55
#define MMC_CMD_SPI_READ_OCR 58
#define MMC_CMD_SPI_CRC_ON_OFF 59
+#define MMC_CMD_RES_MAN 62
+
+#define MMC_CMD62_ARG1 0xefac62ec
+#define MMC_CMD62_ARG2 0xcbaea7
+
#define SD_CMD_SEND_RELATIVE_ADDR 3
#define SD_CMD_SWITCH_FUNC 6
*/
#define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */
#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
+#define EXT_CSD_BOOT_BUS_WIDTH 177
#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_CARD_TYPE 196 /* RO */
#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
+#define EXT_CSD_BOOT_MULT 226 /* RO */
/*
* EXT_CSD field definitions
#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 */
+#define EXT_CSD_BOOT_ACK_ENABLE (1 << 6)
+#define EXT_CSD_BOOT_PARTITION_ENABLE (1 << 3)
+#define EXT_CSD_PARTITION_ACCESS_ENABLE (1 << 0)
+#define EXT_CSD_PARTITION_ACCESS_DISABLE (0 << 0)
+
+#define EXT_CSD_BOOT_ACK(x) (x << 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)
#define PART_ACCESS_MASK (0x7)
#define PART_SUPPORT (0x1)
+/* Maximum block size for MMC */
+#define MMC_MAX_BLOCK_LEN 512
+
+/* The number of MMC physical partitions. These consist of:
+ * boot partitions (2), general purpose partitions (4) in MMC v4.4.
+ */
+#define MMC_NUM_BOOT_PARTITION 2
+
struct mmc_cid {
unsigned long psn;
unsigned short oid;
char pnm[7];
};
-/*
- * WARNING!
- *
- * This structure is used by atmel_mci.c only.
- * It works for the AVR32 architecture but NOT
- * for ARM/AT91 architectures.
- * Its use is highly depreciated.
- * After the atmel_mci.c driver for AVR32 has
- * been replaced this structure will be removed.
- */
-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;
uint response[4];
- uint flags;
};
struct mmc_data {
void (*set_ios)(struct mmc *mmc);
int (*init)(struct mmc *mmc);
int (*getcd)(struct mmc *mmc);
+ int (*getwp)(struct mmc *mmc);
uint b_max;
+ char op_cond_pending; /* 1 if we are waiting on an op_cond command */
+ char init_in_progress; /* 1 if we have done mmc_start_init() */
+ char preinit; /* start init as early as possible */
+ uint op_cond_response; /* the response byte from the last op_cond */
};
int mmc_register(struct mmc *mmc);
int board_mmc_getcd(struct mmc *mmc);
int mmc_switch_part(int dev_num, unsigned int part_num);
int mmc_getcd(struct mmc *mmc);
+int mmc_getwp(struct mmc *mmc);
+void spl_mmc_load(void) __noreturn;
+/* Function to change the size of boot partition and rpmb partitions */
+int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize,
+ unsigned long rpmbsize);
+/* Function to send commands to open/close the specified boot partition */
+int mmc_boot_part_access(struct mmc *mmc, u8 ack, u8 part_num, u8 access);
+
+/**
+ * Start device initialization and return immediately; it does not block on
+ * polling OCR (operation condition register) status. Then you should call
+ * mmc_init, which would block on polling OCR status and complete the device
+ * initializatin.
+ *
+ * @param mmc Pointer to a MMC device struct
+ * @return 0 on success, IN_PROGRESS on waiting for OCR status, <0 on error.
+ */
+int mmc_start_init(struct mmc *mmc);
+
+/**
+ * Set preinit flag of mmc device.
+ *
+ * This will cause the device to be pre-inited during mmc_initialize(),
+ * which may save boot time if the device is not accessed until later.
+ * Some eMMC devices take 200-300ms to init, but unfortunately they
+ * must be sent a series of commands to even get them to start preparing
+ * for operation.
+ *
+ * @param mmc Pointer to a MMC device struct
+ * @param preinit preinit flag value
+ */
+void mmc_set_preinit(struct mmc *mmc, int preinit);
#ifdef CONFIG_GENERIC_MMC
-int atmel_mci_init(void *regs);
#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
projects / karo-tx-uboot.git / blobdiff