#include <linux/list.h>
#include <linux/compiler.h>
+#include <part.h>
#define SD_VERSION_SD 0x20000
#define SD_VERSION_3 (SD_VERSION_SD | 0x300)
#define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
#define EXT_CSD_PARTITIONS_ATTRIBUTE 156 /* R/W */
#define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */
+#define EXT_CSD_RST_N_FUNCTION 162 /* R/W */
#define EXT_CSD_RPMB_MULT 168 /* RO */
#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
#define EXT_CSD_BOOT_BUS_WIDTH 177
int (*getwp)(struct mmc *mmc);
};
+struct mmc_config {
+ const char *name;
+ const struct mmc_ops *ops;
+ uint host_caps;
+ uint voltages;
+ uint f_min;
+ uint f_max;
+ uint b_max;
+ unsigned char part_type;
+};
+
+/* TODO struct mmc should be in mmc_private but it's hard to fix right now */
struct mmc {
struct list_head link;
- char name[32];
- void *priv;
- uint voltages;
+ const struct mmc_config *cfg; /* provided configuration */
uint version;
+ void *priv;
uint has_init;
- uint f_min;
- uint f_max;
int high_capacity;
uint bus_width;
uint clock;
uint card_caps;
- uint host_caps;
uint ocr;
uint dsr;
uint dsr_imp;
u64 capacity_rpmb;
u64 capacity_gp[4];
block_dev_desc_t block_dev;
- const struct mmc_ops *ops;
- 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 */
};
int mmc_register(struct mmc *mmc);
+struct mmc *mmc_create(const struct mmc_config *cfg, void *priv);
+void mmc_destroy(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);
int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access);
/* Function to modify the BOOT_BUS_WIDTH field of EXT_CSD */
int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode);
+/* Function to modify the RST_n_FUNCTION field of EXT_CSD */
+int mmc_set_rst_n_function(struct mmc *mmc, u8 enable);
/**
* Start device initialization and return immediately; it does not block on
#ifdef CONFIG_GENERIC_MMC
#ifdef CONFIG_MMC_SPI
-#define mmc_host_is_spi(mmc) ((mmc)->host_caps & MMC_MODE_SPI)
+#define mmc_host_is_spi(mmc) ((mmc)->cfg->host_caps & MMC_MODE_SPI)
#else
#define mmc_host_is_spi(mmc) 0
#endif
int mmc_legacy_init(int verbose);
#endif
+int board_mmc_init(bd_t *bis);
+
+/* Set block count limit because of 16 bit register limit on some hardware*/
+#ifndef CONFIG_SYS_MMC_MAX_BLK_COUNT
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT 65535
+#endif
+
#endif /* _MMC_H_ */