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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-04-08 09:25:08 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-04-08 09:25:08 +0200
commit519fdde9e6a6ebce7dc743b4f5621503d25b7a45 (patch)
tree29649f48b92b92342183f71565c34afeca0b1735 /include/mmc.h
parentc71645ad2bd5179ad21e2501c26f574e9688f02a (diff)
parent04d2f0a9f33112bd70ce4d9c451fdca1682e3a59 (diff)
Merge branch 'u-boot/master' into 'u-boot-arm/master'
Conflicts: arch/arm/cpu/arm926ejs/mxs/Makefile include/configs/trats.h include/configs/trats2.h include/mmc.h
Diffstat (limited to 'include/mmc.h')
-rw-r--r--include/mmc.h51
1 files changed, 37 insertions, 14 deletions
diff --git a/include/mmc.h b/include/mmc.h
index b65ad9e41e..42d01251b5 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -150,6 +150,7 @@
#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
@@ -250,20 +251,40 @@ 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 +304,6 @@ 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 +311,8 @@ 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);
@@ -317,6 +333,8 @@ int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize,
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
@@ -345,7 +363,7 @@ 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
@@ -356,4 +374,9 @@ int mmc_legacy_init(int verbose);
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_ */