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 aacf8201910a3d187478ecc919bbc360cf3bffb8..c0bcfb90762dc42fada8047eb0a34b3d50bed5ce 100644 (file)
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -155,6 +155,8 @@
 #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
@@ -207,6 +209,11 @@
 #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)
 
@@ -311,6 +318,7 @@ struct mmc {
        ushort rca;
        u8 part_support;
        u8 part_attr;
+       u8 wr_rel_set;
        char part_config;
        char part_num;
        uint tran_speed;
@@ -337,10 +345,14 @@ 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 */
-               int enhanced;
+               unsigned enhanced : 1;
+               unsigned wr_rel_change : 1;
+               unsigned wr_rel_set : 1;
        } gp_part[4];
 };
 
@@ -361,6 +373,7 @@ 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);