u8      det_pin;                /* Card detect */
        u8      vcc_pin;                /* power switching */
        u8      rst_pin;                /* card reset */
+       u8      chipselect;             /* EBI Chip Select number */
 };
 extern void __init at91_add_device_cf(struct at91_cf_data *data);
 
  /* MMC / SD */
 struct at91_mmc_data {
        u8              det_pin;        /* card detect IRQ */
-       unsigned        is_b:1;         /* uses B side (vs A) */
+       unsigned        slot_b:1;       /* uses Slot B */
        unsigned        wire4:1;        /* (SD) supports DAT0..DAT3 */
        u8              wp_pin;         /* (SD) writeprotect detect */
        u8              vcc_pin;        /* power switching (high == on) */
        u8              rdy_pin;        /* ready/busy */
        u8              ale;            /* address line number connected to ALE */
        u8              cle;            /* address line number connected to CLE */
-        struct mtd_partition* (*partition_info)(int, int*);
+       u8              bus_width_16;   /* buswidth is 16 bit */
+       struct mtd_partition* (*partition_info)(int, int*);
 };
 extern void __init at91_add_device_nand(struct at91_nand_data *data);