static unsigned char sign_of_sequental_byte_read;
 
 static int initialize_nf_controller(struct nand_device *nand);
-static int get_next_byte_from_sram_buffer(struct target *target, uint8_t *value);
-static int get_next_halfword_from_sram_buffer(struct target *target, uint16_t *value);
-static int poll_for_complete_op(struct target *target, const char *text);
+static int get_next_byte_from_sram_buffer(struct nand_device *nand, uint8_t *value);
+static int get_next_halfword_from_sram_buffer(struct nand_device *nand, uint16_t *value);
+static int poll_for_complete_op(struct nand_device *nand, const char *text);
 static int validate_target_state(struct nand_device *nand);
 static int do_data_output(struct nand_device *nand);
 
        }
        nand->controller_priv = mxc_nf_info;
 
-       if (CMD_ARGC < 3) {
-               LOG_ERROR("use \"nand device mxc target noecc|hwecc\"");
+       if (CMD_ARGC < 4) {
+               LOG_ERROR("use \"nand device mxc target mx27|mx31|mx35 noecc|hwecc\"");
                return ERROR_FAIL;
        }
 
+       /*
+        * check board type
+        */
+       if (strcmp(CMD_ARGV[2], "mx27") == 0)
+               mxc_nf_info->mxc_base_addr = 0xD8000000;
+       else if (strcmp(CMD_ARGV[2], "mx31") == 0)
+               mxc_nf_info->mxc_base_addr = 0xB8000000;
+       else if (strcmp(CMD_ARGV[2], "mx35") == 0)
+               mxc_nf_info->mxc_base_addr = 0xBB000000;
+
        /*
         * check hwecc requirements
         */
-       hwecc_needed = strcmp(CMD_ARGV[2], "hwecc");
+       hwecc_needed = strcmp(CMD_ARGV[3], "hwecc");
        if (hwecc_needed == 0)
                mxc_nf_info->flags.hw_ecc_enabled = 1;
        else
 
 static int mxc_read_data(struct nand_device *nand, void *data)
 {
-       struct target *target = nand->target;
        int validate_target_result;
        int try_data_output_from_nand_chip;
        /*
        }
 
        if (nand->bus_width == 16)
-               get_next_halfword_from_sram_buffer(target, data);
+               get_next_halfword_from_sram_buffer(nand, data);
        else
-               get_next_byte_from_sram_buffer(target, data);
+               get_next_byte_from_sram_buffer(nand, data);
 
        return ERROR_OK;
 }
         * start command input operation (set MXC_NF_BIT_OP_DONE==0)
         */
        target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FCI);
-       poll_result = poll_for_complete_op(target, "command");
+       poll_result = poll_for_complete_op(nand, "command");
        if (poll_result != ERROR_OK)
                return poll_result;
        /*
 
 static int mxc_address(struct nand_device *nand, uint8_t address)
 {
+       struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
        struct target *target = nand->target;
        int validate_target_result;
        int poll_result;
         * start address input operation (set MXC_NF_BIT_OP_DONE==0)
         */
        target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FAI);
-       poll_result = poll_for_complete_op(target, "address");
+       poll_result = poll_for_complete_op(nand, "address");
        if (poll_result != ERROR_OK)
                return poll_result;
 
 
 static int mxc_nand_ready(struct nand_device *nand, int tout)
 {
-       uint16_t poll_complete_status;
+       struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
        struct target *target = nand->target;
+       uint16_t poll_complete_status;
        int validate_target_result;
 
        /*
         */
        target_write_u16(target, MXC_NF_BUFADDR, 0);
        target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FDI);
-       poll_result = poll_for_complete_op(target, "data input");
+       poll_result = poll_for_complete_op(nand, "data input");
        if (poll_result != ERROR_OK)
                return poll_result;
 
        target_write_u16(target, MXC_NF_BUFADDR, 1);
        target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FDI);
-       poll_result = poll_for_complete_op(target, "data input");
+       poll_result = poll_for_complete_op(nand, "data input");
        if (poll_result != ERROR_OK)
                return poll_result;
 
        target_write_u16(target, MXC_NF_BUFADDR, 2);
        target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FDI);
-       poll_result = poll_for_complete_op(target, "data input");
+       poll_result = poll_for_complete_op(nand, "data input");
        if (poll_result != ERROR_OK)
                return poll_result;
 
        target_write_u16(target, MXC_NF_BUFADDR, 3);
        target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FDI);
-       poll_result = poll_for_complete_op(target, "data input");
+       poll_result = poll_for_complete_op(nand, "data input");
        if (poll_result != ERROR_OK)
                return poll_result;
 
        return ERROR_OK;
 }
 
-static int get_next_byte_from_sram_buffer(struct target *target, uint8_t *value)
+static int get_next_byte_from_sram_buffer(struct nand_device *nand, uint8_t *value)
 {
+       struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
+       struct target *target = nand->target;
        static uint8_t even_byte = 0;
        uint16_t temp;
        /*
        return ERROR_OK;
 }
 
-static int get_next_halfword_from_sram_buffer(struct target *target, uint16_t *value)
+static int get_next_halfword_from_sram_buffer(struct nand_device *nand, uint16_t *value)
 {
+       struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
+       struct target *target = nand->target;
+
        if (in_sram_address > MXC_NF_LAST_BUFFER_ADDR) {
                LOG_ERROR(sram_buffer_bounds_err_msg, in_sram_address);
                *value = 0;
        return ERROR_OK;
 }
 
-static int poll_for_complete_op(struct target *target, const char *text)
+static int poll_for_complete_op(struct nand_device *nand, const char *text)
 {
+       struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
+       struct target *target = nand->target;
        uint16_t poll_complete_status;
+
        for (int poll_cycle_count = 0; poll_cycle_count < 100; poll_cycle_count++) {
                target_read_u16(target, MXC_NF_CFG2, &poll_complete_status);
                if (poll_complete_status & MXC_NF_BIT_OP_DONE)
                 * start data output operation (set MXC_NF_BIT_OP_DONE==0)
                 */
                target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_DATAOUT_TYPE(mxc_nf_info->optype));
-               poll_result = poll_for_complete_op(target, "data output");
+               poll_result = poll_for_complete_op(nand, "data output");
                if (poll_result != ERROR_OK)
                        return poll_result;
 
 
  * Many thanks to Ben Dooks for writing s3c24xx driver.
  */
 
-#define                MXC_NF_BASE_ADDR                        0xd8000000
-#define                MXC_NF_BUFSIZ                           (MXC_NF_BASE_ADDR + 0xe00)
-#define                MXC_NF_BUFADDR                          (MXC_NF_BASE_ADDR + 0xe04)
-#define                MXC_NF_FADDR                            (MXC_NF_BASE_ADDR + 0xe06)
-#define                MXC_NF_FCMD                                     (MXC_NF_BASE_ADDR + 0xe08)
-#define                MXC_NF_BUFCFG                           (MXC_NF_BASE_ADDR + 0xe0a)
-#define                MXC_NF_ECCSTATUS                        (MXC_NF_BASE_ADDR + 0xe0c)
-#define                MXC_NF_ECCMAINPOS                       (MXC_NF_BASE_ADDR + 0xe0e)
-#define                MXC_NF_ECCSPAREPOS                      (MXC_NF_BASE_ADDR + 0xe10)
-#define                MXC_NF_FWP                                      (MXC_NF_BASE_ADDR + 0xe12)
-#define                MXC_NF_LOCKSTART                        (MXC_NF_BASE_ADDR + 0xe14)
-#define                MXC_NF_LOCKEND                          (MXC_NF_BASE_ADDR + 0xe16)
-#define                MXC_NF_FWPSTATUS                        (MXC_NF_BASE_ADDR + 0xe18)
+#define                MXC_NF_BUFSIZ                           (mxc_nf_info->mxc_base_addr + 0xe00)
+#define                MXC_NF_BUFADDR                          (mxc_nf_info->mxc_base_addr + 0xe04)
+#define                MXC_NF_FADDR                            (mxc_nf_info->mxc_base_addr + 0xe06)
+#define                MXC_NF_FCMD                                     (mxc_nf_info->mxc_base_addr + 0xe08)
+#define                MXC_NF_BUFCFG                           (mxc_nf_info->mxc_base_addr + 0xe0a)
+#define                MXC_NF_ECCSTATUS                        (mxc_nf_info->mxc_base_addr + 0xe0c)
+#define                MXC_NF_ECCMAINPOS                       (mxc_nf_info->mxc_base_addr + 0xe0e)
+#define                MXC_NF_ECCSPAREPOS                      (mxc_nf_info->mxc_base_addr + 0xe10)
+#define                MXC_NF_FWP                                      (mxc_nf_info->mxc_base_addr + 0xe12)
+#define                MXC_NF_LOCKSTART                        (mxc_nf_info->mxc_base_addr + 0xe14)
+#define                MXC_NF_LOCKEND                          (mxc_nf_info->mxc_base_addr + 0xe16)
+#define                MXC_NF_FWPSTATUS                        (mxc_nf_info->mxc_base_addr + 0xe18)
  /*
   * all bits not marked as self-clearing bit
   */
-#define                MXC_NF_CFG1                                     (MXC_NF_BASE_ADDR + 0xe1a)
-#define                MXC_NF_CFG2                                     (MXC_NF_BASE_ADDR + 0xe1c)
+#define                MXC_NF_CFG1                                     (mxc_nf_info->mxc_base_addr + 0xe1a)
+#define                MXC_NF_CFG2                                     (mxc_nf_info->mxc_base_addr + 0xe1c)
 
-#define                MXC_NF_MAIN_BUFFER0                     (MXC_NF_BASE_ADDR + 0x0000)
-#define                MXC_NF_MAIN_BUFFER1                     (MXC_NF_BASE_ADDR + 0x0200)
-#define                MXC_NF_MAIN_BUFFER2                     (MXC_NF_BASE_ADDR + 0x0400)
-#define                MXC_NF_MAIN_BUFFER3                     (MXC_NF_BASE_ADDR + 0x0600)
-#define                MXC_NF_SPARE_BUFFER0            (MXC_NF_BASE_ADDR + 0x0800)
-#define                MXC_NF_SPARE_BUFFER1            (MXC_NF_BASE_ADDR + 0x0810)
-#define                MXC_NF_SPARE_BUFFER2            (MXC_NF_BASE_ADDR + 0x0820)
-#define                MXC_NF_SPARE_BUFFER3            (MXC_NF_BASE_ADDR + 0x0830)
+#define                MXC_NF_MAIN_BUFFER0                     (mxc_nf_info->mxc_base_addr + 0x0000)
+#define                MXC_NF_MAIN_BUFFER1                     (mxc_nf_info->mxc_base_addr + 0x0200)
+#define                MXC_NF_MAIN_BUFFER2                     (mxc_nf_info->mxc_base_addr + 0x0400)
+#define                MXC_NF_MAIN_BUFFER3                     (mxc_nf_info->mxc_base_addr + 0x0600)
+#define                MXC_NF_SPARE_BUFFER0            (mxc_nf_info->mxc_base_addr + 0x0800)
+#define                MXC_NF_SPARE_BUFFER1            (mxc_nf_info->mxc_base_addr + 0x0810)
+#define                MXC_NF_SPARE_BUFFER2            (mxc_nf_info->mxc_base_addr + 0x0820)
+#define                MXC_NF_SPARE_BUFFER3            (mxc_nf_info->mxc_base_addr + 0x0830)
 #define                MXC_NF_MAIN_BUFFER_LEN          512
 #define                MXC_NF_SPARE_BUFFER_LEN         16
 #define                MXC_NF_LAST_BUFFER_ADDR         ((MXC_NF_SPARE_BUFFER3) + \
 };
 
 struct mxc_nf_controller {
+       uint32_t mxc_base_addr;
        enum mxc_dataout_type optype;
        enum mxc_nf_finalize_action fin;
        struct mxc_nf_flags flags;