mmc: enable partition switch function for emmc

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

diff --git a/include/mmc.h b/include/mmc.h
index 5501f5547a47c58e8fe42cc0aa6c7210cc5b0a65..aeacdee3095d8a5356b791b11944ea54587800dd 100644 (file)
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -138,6 +138,7 @@
  * EXT_CSD fields
  */
 
+#define EXT_CSD_PART_CONF      179     /* R/W */
 #define EXT_CSD_BUS_WIDTH      183     /* R/W */
 #define EXT_CSD_HS_TIMING      185     /* R/W */
 #define EXT_CSD_CARD_TYPE      196     /* RO */
@@ -179,6 +180,9 @@
 #define MMC_RSP_R6     (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
 #define MMC_RSP_R7     (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
 
+#define MMCPART_NOAVAILABLE    (0xff)
+#define PART_ACCESS_MASK       (0x7)
+#define PART_SUPPORT           (0x1)
 
 struct mmc_cid {
        unsigned long psn;
@@ -263,6 +267,7 @@ struct mmc {
        void *priv;
        uint voltages;
        uint version;
+       uint has_init;
        uint f_min;
        uint f_max;
        int high_capacity;
@@ -275,6 +280,8 @@ struct mmc {
        uint csd[4];
        uint cid[4];
        ushort rca;
+       char part_config;
+       char part_num;
        uint tran_speed;
        uint read_bl_len;
        uint write_bl_len;
@@ -297,6 +304,7 @@ int mmc_set_dev(int dev_num);
 void print_mmc_devices(char separator);
 int get_mmc_num(void);
 int board_mmc_getcd(u8 *cd, struct mmc *mmc);
+int mmc_switch_part(int dev_num, unsigned int part_num);
 
 #ifdef CONFIG_GENERIC_MMC
 int atmel_mci_init(void *regs);