X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fmmc.h;h=42d01251b59bc8d5316e829d931b15d3eb66b11a;hb=519fdde9e6a6ebce7dc743b4f5621503d25b7a45;hp=b65ad9e41e95e11f0bbfbb58f615d21b6599f098;hpb=c71645ad2bd5179ad21e2501c26f574e9688f02a;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/mmc.h b/include/mmc.h
index b65ad9e..42d0125 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_ */