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-rw-r--r--include/mmc.h48
1 files changed, 34 insertions, 14 deletions
diff --git a/include/mmc.h b/include/mmc.h
index e95a2376d2..0172979f11 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -250,20 +250,40 @@ struct mmc_data {
uint blocksize;
};
+/* forward decl. */
+struct mmc;
+
+struct mmc_ops {
+ 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);
+ 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;
@@ -283,13 +303,6 @@ struct mmc {
u64 capacity_rpmb;
u64 capacity_gp[4];
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);
- 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 */
@@ -297,6 +310,8 @@ struct mmc {
};
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);
@@ -345,7 +360,7 @@ void mmc_set_preinit(struct mmc *mmc, int preinit);
#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
@@ -354,4 +369,9 @@ struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode);
int mmc_legacy_init(int verbose);
#endif
+/* 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_ */
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