mmc: add function to get the number of available mmc interfaces

[karo-tx-uboot.git] / include / mmc.h

diff --git a/include/mmc.h b/include/mmc.h
index 7f5f9bc8ca86eb92614c24f951991f05d9dd64e5..c0bcfb90762dc42fada8047eb0a34b3d50bed5ce 100644 (file)
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -31,6 +31,7 @@
 #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_VERSION_5_0                (MMC_VERSION_MMC | 0x500)
 
 #define MMC_MODE_HS            (1 << 0)
 #define MMC_MODE_HS_52MHz      (1 << 1)
@@ -146,10 +147,16 @@
 /*
  * EXT_CSD fields
  */
+#define EXT_CSD_ENH_START_ADDR         136     /* R/W */
+#define EXT_CSD_ENH_SIZE_MULT          140     /* R/W */
 #define EXT_CSD_GP_SIZE_MULT           143     /* R/W */
+#define EXT_CSD_PARTITION_SETTING      155     /* R/W */
 #define EXT_CSD_PARTITIONS_ATTRIBUTE   156     /* R/W */
+#define EXT_CSD_MAX_ENH_SIZE_MULT      157     /* R */
 #define EXT_CSD_PARTITIONING_SUPPORT   160     /* RO */
 #define EXT_CSD_RST_N_FUNCTION         162     /* R/W */
+#define EXT_CSD_WR_REL_PARAM           166     /* R */
+#define EXT_CSD_WR_REL_SET             167     /* 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
@@ -197,6 +204,16 @@
 #define EXT_CSD_BOOT_BUS_WIDTH_RESET(x)        (x << 2)
 #define EXT_CSD_BOOT_BUS_WIDTH_WIDTH(x)        (x)
 
+#define EXT_CSD_PARTITION_SETTING_COMPLETED    (1 << 0)
+
+#define EXT_CSD_ENH_USR                (1 << 0)        /* user data area is enhanced */
+#define EXT_CSD_ENH_GP(x)      (1 << ((x)+1))  /* GP part (x+1) is enhanced */
+
+#define EXT_CSD_HS_CTRL_REL    (1 << 0)        /* host controlled WR_REL_SET */
+
+#define EXT_CSD_WR_DATA_REL_USR                (1 << 0)        /* user data area WR_REL */
+#define EXT_CSD_WR_DATA_REL_GP(x)      (1 << ((x)+1))  /* GP part (x+1) WR_REL */
+
 #define R1_ILLEGAL_COMMAND             (1 << 22)
 #define R1_APP_CMD                     (1 << 5)
 
@@ -220,6 +237,7 @@
 #define MMCPART_NOAVAILABLE    (0xff)
 #define PART_ACCESS_MASK       (0x7)
 #define PART_SUPPORT           (0x1)
+#define ENHNCD_SUPPORT         (0x2)
 #define PART_ENH_ATTRIB                (0x1f)
 
 /* Maximum block size for MMC */
@@ -298,22 +316,50 @@ struct mmc {
        uint csd[4];
        uint cid[4];
        ushort rca;
+       u8 part_support;
+       u8 part_attr;
+       u8 wr_rel_set;
        char part_config;
        char part_num;
        uint tran_speed;
        uint read_bl_len;
        uint write_bl_len;
-       uint erase_grp_size;
+       uint erase_grp_size;    /* in 512-byte sectors */
+       uint hc_wp_grp_size;    /* in 512-byte sectors */
        u64 capacity;
        u64 capacity_user;
        u64 capacity_boot;
        u64 capacity_rpmb;
        u64 capacity_gp[4];
+       u64 enh_user_start;
+       u64 enh_user_size;
        block_dev_desc_t block_dev;
        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 ddr_mode;
+};
+
+struct mmc_hwpart_conf {
+       struct {
+               uint enh_start; /* in 512-byte sectors */
+               uint enh_size;  /* in 512-byte sectors, if 0 no enh area */
+               unsigned wr_rel_change : 1;
+               unsigned wr_rel_set : 1;
+       } user;
+       struct {
+               uint size;      /* in 512-byte sectors */
+               unsigned enhanced : 1;
+               unsigned wr_rel_change : 1;
+               unsigned wr_rel_set : 1;
+       } gp_part[4];
+};
+
+enum mmc_hwpart_conf_mode {
+       MMC_HWPART_CONF_CHECK,
+       MMC_HWPART_CONF_SET,
+       MMC_HWPART_CONF_COMPLETE,
 };
 
 int mmc_register(struct mmc *mmc);
@@ -327,7 +373,10 @@ struct mmc *find_mmc_device(int dev_num);
 int mmc_set_dev(int dev_num);
 void print_mmc_devices(char separator);
 int get_mmc_num(void);
+int get_mmc_dev_count(void);
 int mmc_switch_part(int dev_num, unsigned int part_num);
+int mmc_hwpart_config(struct mmc *mmc, const struct mmc_hwpart_conf *conf,
+                     enum mmc_hwpart_conf_mode mode);
 int mmc_getcd(struct mmc *mmc);
 int board_mmc_getcd(struct mmc *mmc);
 int mmc_getwp(struct mmc *mmc);
@@ -385,8 +434,10 @@ struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode);
 int mmc_legacy_init(int verbose);
 #endif
 
+void board_mmc_power_init(void);
 int board_mmc_init(bd_t *bis);
 int cpu_mmc_init(bd_t *bis);
+int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr);
 
 /* Set block count limit because of 16 bit register limit on some hardware*/
 #ifndef CONFIG_SYS_MMC_MAX_BLK_COUNT