- update docs deprecated section to include links to new commands (if any)

- added missing svn props

git-svn-id: svn://svn.berlios.de/openocd/trunk@1077 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 876 insertions, 876 deletions

diff --git a/src/flash/mflash.c b/src/flash/mflash.c
index 52c6a9f..9bc94ad 100644
--- a/src/flash/mflash.c
+++ b/src/flash/mflash.c
@@ -1,876 +1,876 @@
-/***************************************************************************

- *   Copyright (C) 2007-2008 by unsik Kim <donari75@gmail.com>             *

- *                                                                         *

- *   This program is free software; you can redistribute it and/or modify  *

- *   it under the terms of the GNU General Public License as published by  *

- *   the Free Software Foundation; either version 2 of the License, or     *

- *   (at your option) any later version.                                   *

- *                                                                         *

- *   This program is distributed in the hope that it will be useful,       *

- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *

- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *

- *   GNU General Public License for more details.                          *

- *                                                                         *

- *   You should have received a copy of the GNU General Public License     *

- *   along with this program; if not, write to the                         *

- *   Free Software Foundation, Inc.,                                       *

- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *

- ***************************************************************************/

-

-#ifdef HAVE_CONFIG_H

-#include "config.h"

-#endif

-

-#include <ctype.h>

-#include <string.h>

-#include <unistd.h>

-#include <stdlib.h>

-#include <sys/types.h>

-#include <sys/stat.h>

-#include <errno.h>

-#include <inttypes.h>

-

-#include "command.h"

-#include "log.h"

-#include "target.h"

-#include "time_support.h"

-#include "fileio.h"

-#include "mflash.h"

-

-static int s3c2440_set_gpio_to_output (mflash_gpio_num_t gpio);

-static int s3c2440_set_gpio_output_val (mflash_gpio_num_t gpio, u8 val);

-static int pxa270_set_gpio_to_output (mflash_gpio_num_t gpio);

-static int pxa270_set_gpio_output_val (mflash_gpio_num_t gpio, u8 val);

-

-static command_t *mflash_cmd;

-

-static mflash_bank_t *mflash_bank;

-

-static mflash_gpio_drv_t pxa270_gpio = {

-	.name = "pxa270",

-	.set_gpio_to_output = pxa270_set_gpio_to_output,

-	.set_gpio_output_val = pxa270_set_gpio_output_val

-};

-

-static mflash_gpio_drv_t s3c2440_gpio = {

-	.name = "s3c2440",

-	.set_gpio_to_output = s3c2440_set_gpio_to_output,

-	.set_gpio_output_val = s3c2440_set_gpio_output_val

-};

-

-static mflash_gpio_drv_t *mflash_gpio[] =

-{

-		&pxa270_gpio,

-		&s3c2440_gpio,

-		NULL

-};

-

-#define PXA270_GAFR0_L 0x40E00054

-#define PXA270_GAFR3_U 0x40E00070

-#define PXA270_GAFR3_U_RESERVED_BITS  0xfffc0000u

-#define PXA270_GPDR0 0x40E0000C

-#define PXA270_GPDR3 0x40E0010C

-#define PXA270_GPDR3_RESERVED_BITS  0xfe000000u

-#define PXA270_GPSR0 0x40E00018

-#define PXA270_GPCR0 0x40E00024

-

-static int pxa270_set_gpio_to_output (mflash_gpio_num_t gpio)

-{

-	u32 addr, value, mask;

-	target_t *target = mflash_bank->target;

-	int ret;

-

-	// remove alternate function.

-	mask = 0x3u << (gpio.num & 0xF)*2;

-

-	addr = PXA270_GAFR0_L + (gpio.num >> 4) * 4;

-

-	if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)

-		return ret;

-

-	value &= ~mask;

-	if (addr == PXA270_GAFR3_U)

-		value &= ~PXA270_GAFR3_U_RESERVED_BITS;

-

-	if ((ret = target_write_u32(target, addr, value)) != ERROR_OK)

-		return ret;

-

-	// set direction to output

-	mask = 0x1u << (gpio.num & 0x1F);

-

-	addr = PXA270_GPDR0 + (gpio.num >> 5) * 4;

-

-	if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)

-		return ret;

-

-	value |= mask;

-	if (addr == PXA270_GPDR3)

-		value &= ~PXA270_GPDR3_RESERVED_BITS;

-

-	ret = target_write_u32(target, addr, value);

-	return ret;

-}

-

-static int pxa270_set_gpio_output_val (mflash_gpio_num_t gpio, u8 val)

-{

-	u32 addr, value, mask;

-	target_t *target = mflash_bank->target;

-	int ret;

-

-	mask = 0x1u << (gpio.num & 0x1F);

-

-	if (val) {

-		addr = PXA270_GPSR0 + (gpio.num >> 5) * 4;

-	} else {

-		addr = PXA270_GPCR0 + (gpio.num >> 5) * 4;

-	}

-

-	if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)

-		return ret;

-

-	value |= mask;

-

-	ret = target_write_u32(target, addr, value);

-

-	return ret;

-}

-

-#define S3C2440_GPACON 0x56000000

-#define S3C2440_GPADAT 0x56000004

-#define S3C2440_GPJCON 0x560000d0

-#define S3C2440_GPJDAT 0x560000d4

-

-static int s3c2440_set_gpio_to_output (mflash_gpio_num_t gpio)

-{

-	u32 data, mask, gpio_con;

-	target_t *target = mflash_bank->target;

-	int ret;

-

-	if (gpio.port[0] >= 'a' && gpio.port[0] <= 'h') {

-		gpio_con = S3C2440_GPACON + (gpio.port[0] - 'a') * 0x10;

-	} else if (gpio.port[0] == 'j') {

-		gpio_con = S3C2440_GPJCON;

-	} else {

-		LOG_ERROR("invalid port %d%s", gpio.num, gpio.port);

-		return ERROR_INVALID_ARGUMENTS;

-	}

-

-	ret = target_read_u32(target, gpio_con, &data);

-

-	if (ret == ERROR_OK) {

-		if (gpio.port[0] == 'a') {

-			mask = 1 << gpio.num;

-			data &= ~mask;

-		} else {

-			mask = 3 << gpio.num * 2;

-			data &= ~mask;

-			data |= (1 << gpio.num * 2);

-		}

-

-		ret = target_write_u32(target, gpio_con, data);

-	}

-	return ret;

-}

-

-static int s3c2440_set_gpio_output_val (mflash_gpio_num_t gpio, u8 val)

-{

-	u32 data, mask, gpio_dat;

-	target_t *target = mflash_bank->target;

-	int ret;

-

-	if (gpio.port[0] >= 'a' && gpio.port[0] <= 'h') {

-		gpio_dat = S3C2440_GPADAT + (gpio.port[0] - 'a') * 0x10;

-	} else if (gpio.port[0] == 'j') {

-		gpio_dat = S3C2440_GPJDAT;

-	} else {

-		LOG_ERROR("invalid port %d%s", gpio.num, gpio.port);

-		return ERROR_INVALID_ARGUMENTS;

-	}

-

-	ret = target_read_u32(target, gpio_dat, &data);

-

-	if (ret == ERROR_OK) {

-		mask = 1 << gpio.num;

-		if (val)

-			data |= mask;

-		else

-			data &= ~mask;

-

-		ret = target_write_u32(target, gpio_dat, data);

-	}

-	return ret;

-}

-

-static int mflash_rst(u8 level)

-{

-	return mflash_bank->gpio_drv->set_gpio_output_val(mflash_bank->rst_pin, level);

-}

-

-static int mg_dump_task_reg (void)

-{

-	target_t *target = mflash_bank->target;

-	u32 address = mflash_bank->base + MG_REG_OFFSET + MG_REG_ERROR;

-	u8 value, i;

-	char *reg_name[9] = {

-		"error                  ",

-		"sector count           ",

-		"sector num (LBA  7- 0) ",

-		"cyl. low   (LBA 15- 8) ",

-		"cyl. high  (LBA 23-16) ",

-		"drv/head               ",

-		"status                 ",

-		"dev control            ",

-		"burst control          "

-	};

-

-	for (i = 0; i < 9; i++) {

-		target_read_u8(target, address + i * 2, &value);

-		LOG_INFO("%s : 0x%2.2x", reg_name[i], value);

-	}

-

-	return ERROR_OK;

-

-}

-static int mflash_init_gpio (void)

-{

-	mflash_gpio_drv_t *gpio_drv = mflash_bank->gpio_drv;

-

-	gpio_drv->set_gpio_to_output(mflash_bank->rst_pin);

-	gpio_drv->set_gpio_output_val(mflash_bank->rst_pin, 1);

-

-	if (mflash_bank->wp_pin.num != -1) {

-		gpio_drv->set_gpio_to_output(mflash_bank->wp_pin);

-		gpio_drv->set_gpio_output_val(mflash_bank->wp_pin, 1);

-	}

-

-	if (mflash_bank->dpd_pin.num != -1) {

-		gpio_drv->set_gpio_to_output(mflash_bank->dpd_pin);

-		gpio_drv->set_gpio_output_val(mflash_bank->dpd_pin, 1);

-	}

-

-	return ERROR_OK;

-}

-

-static int mg_dsk_wait(mg_io_type_wait wait, u32 time)

-{

-	u8 status, error;

-	target_t *target = mflash_bank->target;

-	u32 mg_task_reg = mflash_bank->base + MG_REG_OFFSET;

-	duration_t duration;

-	long long t=0;

-

-	duration_start_measure(&duration);

-

-    while (time) {

-

-    	target_read_u8(target, mg_task_reg + MG_REG_STATUS, &status);

-

-    	if (status & mg_io_rbit_status_busy)

-	    {

-    		if (wait == mg_io_wait_bsy)

-	               return ERROR_OK;

-	    } else {

-	        switch(wait)

-	        {

-	            case mg_io_wait_not_bsy:

-	                return ERROR_OK;

-	            case mg_io_wait_rdy_noerr:

-	                if (status & mg_io_rbit_status_ready)

-	                    return ERROR_OK;

-	                break;

-	            case mg_io_wait_drq_noerr:

-	                if (status & mg_io_rbit_status_data_req)

-	                    return ERROR_OK;

-	                break;

-	            default:

-	                break;

-	        }

-

-	        // Now we check the error condition!

-	        if (status & mg_io_rbit_status_error)

-	        {

-	            target_read_u8(target, mg_task_reg + MG_REG_ERROR, &error);

-

-                if (error & mg_io_rbit_err_bad_sect_num) {

-                	LOG_ERROR("sector not found");

-                    return ERROR_FAIL;

-                }

-                else if (error & (mg_io_rbit_err_bad_block | mg_io_rbit_err_uncorrectable)) {

-                	LOG_ERROR("bad block");

-                    return ERROR_FAIL;

-                } else {

-                	LOG_ERROR("disk operation fail");

-	                return ERROR_FAIL;

-	            }

-	        }

-

-	        switch (wait)

-	        {

-	            case mg_io_wait_rdy:

-	                if (status & mg_io_rbit_status_ready)

-	                    return ERROR_OK;

-

-	            case mg_io_wait_drq:

-	                if (status & mg_io_rbit_status_data_req)

-	                    return ERROR_OK;

-

-	            default:

-	            	break;

-	        }

-	    }

-

-    	duration_stop_measure(&duration, NULL);

-

-  		t=duration.duration.tv_usec/1000;

-   		t+=duration.duration.tv_sec*1000;

-

-		if (t > time)

-            break;

-    }

-

-    LOG_ERROR("timeout occured");

-    return ERROR_FAIL;

-}

-

-static int mg_dsk_srst(u8 on)

-{

-	target_t *target = mflash_bank->target;

-	u32 mg_task_reg = mflash_bank->base + MG_REG_OFFSET;

-	u8 value;

-	int ret;

-

-	if ((ret = target_read_u8(target, mg_task_reg + MG_REG_DRV_CTRL, &value)) != ERROR_OK)

-		return ret;

-

-	if(on) {

-		value |= (mg_io_rbit_devc_srst);

-	} else {

-		value &= ~mg_io_rbit_devc_srst;

-	}

-

-	ret = target_write_u8(target, mg_task_reg + MG_REG_DRV_CTRL, value);

-	return ret;

-}

-

-static int mg_dsk_io_cmd(u32 sect_num, u32 cnt, u8 cmd)

-{

-	target_t *target = mflash_bank->target;

-	u32 mg_task_reg = mflash_bank->base + MG_REG_OFFSET;

-	u8 value;

-

-	if (mg_dsk_wait(mg_io_wait_rdy_noerr, MG_OEM_DISK_WAIT_TIME_NORMAL) != ERROR_OK)

-		return ERROR_FAIL;

-

-	value = mg_io_rval_dev_drv_master | mg_io_rval_dev_lba_mode |((sect_num >> 24) & 0xf);

-

-	target_write_u8(target, mg_task_reg + MG_REG_DRV_HEAD, value);

-	target_write_u8(target, mg_task_reg + MG_REG_SECT_CNT, (u8)cnt);

-	target_write_u8(target, mg_task_reg + MG_REG_SECT_NUM, (u8)sect_num);

-	target_write_u8(target, mg_task_reg + MG_REG_CYL_LOW, (u8)(sect_num >> 8));

-	target_write_u8(target, mg_task_reg + MG_REG_CYL_HIGH, (u8)(sect_num >> 16));

-

-	target_write_u8(target, mg_task_reg + MG_REG_COMMAND, cmd);

-

-	return ERROR_OK;

-}

-

-static int mg_dsk_drv_info(void)

-{

-	target_t *target = mflash_bank->target;

-	u32 mg_buff = mflash_bank->base + MG_BUFFER_OFFSET;

-

-	if ( mg_dsk_io_cmd(0, 1, mg_io_cmd_identify) != ERROR_OK)

-		return ERROR_FAIL;

-

-	if ( mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL) != ERROR_OK)

-		return ERROR_FAIL;

-

-	LOG_INFO("read drive info.");

-

-	if (! mflash_bank->drv_info)

-		mflash_bank->drv_info = malloc(sizeof(mg_drv_info_t));

-

-	target->type->read_memory(target, mg_buff, 2, sizeof(mg_io_type_drv_info) >> 1,

-			(u8 *)&mflash_bank->drv_info->drv_id);

-

-	mflash_bank->drv_info->tot_sects = (u32)(mflash_bank->drv_info->drv_id.total_user_addressable_sectors_hi << 16)

-									+ mflash_bank->drv_info->drv_id.total_user_addressable_sectors_lo;

-

-	target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_read);

-

-	return ERROR_OK;

-}

-

-static int mg_mflash_probe(void)

-{

-	mflash_bank->proved = 0;

-

-	mflash_init_gpio();

-

-	LOG_INFO("reset mflash");

-

-	mflash_rst(0);

-

-	if (mg_dsk_wait(mg_io_wait_bsy, MG_OEM_DISK_WAIT_TIME_LONG) != ERROR_OK)

-		return ERROR_FAIL;

-

-	mflash_rst(1);

-

-	if (mg_dsk_wait(mg_io_wait_not_bsy, MG_OEM_DISK_WAIT_TIME_LONG) != ERROR_OK)

-		return ERROR_FAIL;

-

-	mg_dsk_srst(1);

-

-	if (mg_dsk_wait(mg_io_wait_bsy, MG_OEM_DISK_WAIT_TIME_LONG) != ERROR_OK)

-		return ERROR_FAIL;

-

-	mg_dsk_srst(0);

-

-	if (mg_dsk_wait(mg_io_wait_not_bsy, MG_OEM_DISK_WAIT_TIME_LONG) != ERROR_OK)

-		return ERROR_FAIL;

-

-	if (mg_dsk_drv_info() != ERROR_OK)

-		return ERROR_FAIL;

-

-	mflash_bank->proved = 1;

-

-	return ERROR_OK;

-}

-

-static int mflash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)

-{

-	int ret;

-

-	ret = mg_mflash_probe();

-

-	if (ret == ERROR_OK) {

-		command_print(cmd_ctx, "mflash (total %u sectors) found at 0x%8.8x",

-				mflash_bank->drv_info->tot_sects, mflash_bank->base );

-	}

-

-	return ret;

-}

-

-static int mg_mflash_do_read_sects(void *buff, u32 sect_num, u32 sect_cnt)

-{

-	u32 i, address;

-	int ret;

-	target_t *target = mflash_bank->target;

-	u8 *buff_ptr = buff;

-	duration_t duration;

-

-	if ( mg_dsk_io_cmd(sect_num, sect_cnt, mg_io_cmd_read) != ERROR_OK )

-		return ERROR_FAIL;

-

-	address = mflash_bank->base + MG_BUFFER_OFFSET;

-

-	duration_start_measure(&duration);

-

-	for (i = 0; i < sect_cnt; i++) {

-		mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL);

-

-		target->type->read_memory(target, address, 2, MG_MFLASH_SECTOR_SIZE / 2, buff_ptr);

-		buff_ptr += MG_MFLASH_SECTOR_SIZE;

-

-		target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_read);

-

-		LOG_DEBUG("%u (0x%8.8x) sector read", sect_num + i, (sect_num + i) * MG_MFLASH_SECTOR_SIZE);

-

-		duration_stop_measure(&duration, NULL);

-

-		if ((duration.duration.tv_sec * 1000 + duration.duration.tv_usec / 1000) > 3000) {

-			LOG_INFO("read %u'th sectors", sect_num + i);

-			duration_start_measure(&duration);

-		}

-	}

-

-	ret = mg_dsk_wait(mg_io_wait_rdy, MG_OEM_DISK_WAIT_TIME_NORMAL);

-

-	return ret;

-}

-

-static int mg_mflash_read_sects(void *buff, u32 sect_num, u32 sect_cnt)

-{

-	u32 quotient, residue, i;

-	u8 *buff_ptr = buff;

-

-	quotient = sect_cnt >> 8;

-	residue = sect_cnt % 256;

-

-	for (i = 0; i < quotient; i++) {

-		LOG_DEBUG("sect num : %u buff : 0x%8.8x", sect_num, (u32)buff_ptr);

-		mg_mflash_do_read_sects(buff_ptr, sect_num, 256);

-		sect_num += 256;

-		buff_ptr += 256 * MG_MFLASH_SECTOR_SIZE;

-	}

-

-	if (residue) {

-		LOG_DEBUG("sect num : %u buff : %8.8x", sect_num, (u32)buff_ptr);

-		mg_mflash_do_read_sects(buff_ptr, sect_num, residue);

-	}

-

-	return ERROR_OK;

-}

-

-static int mg_mflash_do_write_sects(void *buff, u32 sect_num, u32 sect_cnt)

-{

-	u32 i, address;

-	int ret;

-	target_t *target = mflash_bank->target;

-	u8 *buff_ptr = buff;

-	duration_t duration;

-

-	if ( mg_dsk_io_cmd(sect_num, sect_cnt, mg_io_cmd_write) != ERROR_OK ) {

-		LOG_ERROR("mg_io_cmd_write fail");

-		return ERROR_FAIL;

-	}

-

-	address = mflash_bank->base + MG_BUFFER_OFFSET;

-

-	duration_start_measure(&duration);

-

-	for (i = 0; i < sect_cnt; i++) {

-		ret = mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL);

-		if (ret != ERROR_OK)

-			LOG_ERROR("mg_io_wait_drq time out");

-

-		ret = target->type->write_memory(target, address, 2, MG_MFLASH_SECTOR_SIZE / 2, buff_ptr);

-		if (ret != ERROR_OK)

-			LOG_ERROR("mem write error");

-		buff_ptr += MG_MFLASH_SECTOR_SIZE;

-

-		ret = target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_write);

-		if (ret != ERROR_OK)

-			LOG_ERROR("mg_io_cmd_confirm_write error");

-

-		LOG_DEBUG("%u (0x%8.8x) sector write", sect_num + i, (sect_num + i) * MG_MFLASH_SECTOR_SIZE);

-

-		duration_stop_measure(&duration, NULL);

-

-		if ((duration.duration.tv_sec * 1000 + duration.duration.tv_usec / 1000) > 3000) {

-			LOG_INFO("wrote %u'th sectors", sect_num + i);

-			duration_start_measure(&duration);

-		}

-	}

-

-	ret = mg_dsk_wait(mg_io_wait_rdy, MG_OEM_DISK_WAIT_TIME_NORMAL);

-

-	return ret;

-}

-

-static int mg_mflash_write_sects(void *buff, u32 sect_num, u32 sect_cnt)

-{

-	u32 quotient, residue, i;

-	u8 *buff_ptr = buff;

-

-	quotient = sect_cnt >> 8;

-	residue = sect_cnt % 256;

-

-	for (i = 0; i < quotient; i++) {

-		LOG_DEBUG("sect num : %u buff : %8.8x", sect_num, (u32)buff_ptr);

-		mg_mflash_do_write_sects(buff_ptr, sect_num, 256);

-		sect_num += 256;

-		buff_ptr += 256 * MG_MFLASH_SECTOR_SIZE;

-	}

-

-	if (residue) {

-		LOG_DEBUG("sect num : %u buff : %8.8x", sect_num, (u32)buff_ptr);

-		mg_mflash_do_write_sects(buff_ptr, sect_num, residue);

-	}

-

-	return ERROR_OK;

-}

-

-static int mg_mflash_read (u32 addr, u8 *buff, u32 len)

-{

-	u8 *sect_buff, *buff_ptr = buff;

-	u32 cur_addr, next_sec_addr, end_addr, cnt, sect_num;

-

-	cnt = 0;

-	cur_addr = addr;

-	end_addr = addr + len;

-

-	sect_buff = malloc(MG_MFLASH_SECTOR_SIZE);

-

-	if (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK) {

-

-		next_sec_addr = (cur_addr + MG_MFLASH_SECTOR_SIZE) & ~MG_MFLASH_SECTOR_SIZE_MASK;

-		sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;

-		mg_mflash_read_sects(sect_buff, sect_num, 1);

-

-		if (end_addr < next_sec_addr) {

-			memcpy(buff_ptr, sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), end_addr - cur_addr);

-			LOG_DEBUG("copies %u byte from sector offset 0x%8.8x", end_addr - cur_addr, cur_addr);

-			cur_addr = end_addr;

-		} else {

-			memcpy(buff_ptr, sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), next_sec_addr - cur_addr);

-			LOG_DEBUG("copies %u byte from sector offset 0x%8.8x", next_sec_addr - cur_addr, cur_addr);

-			buff_ptr += (next_sec_addr - cur_addr);

-			cur_addr = next_sec_addr;

-		}

-	}

-

-	if (cur_addr < end_addr) {

-

-		sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;

-		next_sec_addr = cur_addr + MG_MFLASH_SECTOR_SIZE;

-

-		while (next_sec_addr <= end_addr) {

-			cnt++;

-			next_sec_addr += MG_MFLASH_SECTOR_SIZE;

-		}

-

-		if (cnt)

-			mg_mflash_read_sects(buff_ptr, sect_num, cnt);

-

-		buff_ptr += cnt * MG_MFLASH_SECTOR_SIZE;

-		cur_addr += cnt * MG_MFLASH_SECTOR_SIZE;

-

-		if (cur_addr < end_addr) {

-

-			sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;

-			mg_mflash_read_sects(sect_buff, sect_num, 1);

-			memcpy(buff_ptr, sect_buff, end_addr - cur_addr);

-			LOG_DEBUG("copies %u byte", end_addr - cur_addr);

-

-		}

-

-	}

-

-	free(sect_buff);

-

-	return ERROR_OK;

-}

-

-static int mg_mflash_write(u32 addr, u8 *buff, u32 len)

-{

-	u8 *sect_buff, *buff_ptr = buff;

-	u32 cur_addr, next_sec_addr, end_addr, cnt, sect_num;

-

-	cnt = 0;

-	cur_addr = addr;

-	end_addr = addr + len;

-

-	sect_buff = malloc(MG_MFLASH_SECTOR_SIZE);

-

-	if (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK) {

-

-		next_sec_addr = (cur_addr + MG_MFLASH_SECTOR_SIZE) & ~MG_MFLASH_SECTOR_SIZE_MASK;

-		sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;

-		mg_mflash_read_sects(sect_buff, sect_num, 1);

-

-		if (end_addr < next_sec_addr) {

-			memcpy(sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), buff_ptr, end_addr - cur_addr);

-			LOG_DEBUG("copies %u byte to sector offset 0x%8.8x", end_addr - cur_addr, cur_addr);

-			cur_addr = end_addr;

-		} else {

-			memcpy(sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), buff_ptr, next_sec_addr - cur_addr);

-			LOG_DEBUG("copies %u byte to sector offset 0x%8.8x", next_sec_addr - cur_addr, cur_addr);

-			buff_ptr += (next_sec_addr - cur_addr);

-			cur_addr = next_sec_addr;

-		}

-

-		mg_mflash_write_sects(sect_buff, sect_num, 1);

-

-	}

-

-	if (cur_addr < end_addr) {

-

-		sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;

-		next_sec_addr = cur_addr + MG_MFLASH_SECTOR_SIZE;

-

-		while (next_sec_addr <= end_addr) {

-			cnt++;

-			next_sec_addr += MG_MFLASH_SECTOR_SIZE;

-		}

-

-		if (cnt)

-			mg_mflash_write_sects(buff_ptr, sect_num, cnt);

-

-		buff_ptr += cnt * MG_MFLASH_SECTOR_SIZE;

-		cur_addr += cnt * MG_MFLASH_SECTOR_SIZE;

-

-		if (cur_addr < end_addr) {

-

-			sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;

-			mg_mflash_read_sects(sect_buff, sect_num, 1);

-			memcpy(sect_buff, buff_ptr, end_addr - cur_addr);

-			LOG_DEBUG("copies %u byte", end_addr - cur_addr);

-			mg_mflash_write_sects(sect_buff, sect_num, 1);

-

-		}

-

-	}

-

-	free(sect_buff);

-

-	return ERROR_OK;

-}

-

-static int mflash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)

-{

-	u32 address, buf_cnt;

-	u8 *buffer;

-	// TODO : multi-bank support, large file support

-	fileio_t fileio;

-	duration_t duration;

-	char *duration_text;

-	int ret;

-

-	if (argc != 3) {

-		return ERROR_COMMAND_SYNTAX_ERROR;

-	}

-

-	address = strtoul(args[2], NULL, 0);

-

-	if (! mflash_bank->proved ) {

-		mg_mflash_probe();

-	}

-

-

-	if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK) {

-		return ERROR_FAIL;

-	}

-

-	buffer = malloc(fileio.size);

-

-	if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)

-	{

-		free(buffer);

-		fileio_close(&fileio);

-		return ERROR_FAIL;

-	}

-

-	duration_start_measure(&duration);

-

-	ret = mg_mflash_write(address, buffer, (u32)fileio.size);

-

-	duration_stop_measure(&duration, &duration_text);

-

-	command_print(cmd_ctx, "wrote %lli byte from file %s in %s (%f kB/s)",

-		fileio.size, args[1], duration_text,

-		(float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));

-

-	free(duration_text);

-

-	fileio_close(&fileio);

-

-	free(buffer);

-

-	return ERROR_OK;

-}

-

-static int mflash_dump_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)

-{

-	u32 address, size_written, size;

-	u8 *buffer;

-	// TODO : multi-bank support

-	fileio_t fileio;

-	duration_t duration;

-	char *duration_text;

-

-	if (argc != 4) {

-		return ERROR_COMMAND_SYNTAX_ERROR;

-	}

-

-	address = strtoul(args[2], NULL, 0);

-	size = strtoul(args[3], NULL, 0);

-

-	if (! mflash_bank->proved ) {

-			mg_mflash_probe();

-	}

-

-	if (fileio_open(&fileio, args[1], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK) {

-		return ERROR_FAIL;

-	}

-

-	buffer = malloc(size);

-

-	duration_start_measure(&duration);

-

-	mg_mflash_read(address, buffer, size);

-

-	duration_stop_measure(&duration, &duration_text);

-

-	fileio_write(&fileio, size, buffer, &size_written);

-

-	command_print(cmd_ctx, "dump image (address 0x%8.8x size %u) to file %s in %s (%f kB/s)",

-				address, size, args[1], duration_text,

-				(float)size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));

-

-	free(duration_text);

-

-	fileio_close(&fileio);

-

-	free(buffer);

-

-	return ERROR_OK;

-}

-

-int mflash_init_drivers(struct command_context_s *cmd_ctx)

-{

-	if (mflash_bank) {

-		register_command(cmd_ctx, mflash_cmd, "probe", mflash_probe_command, COMMAND_EXEC, NULL);

-		register_command(cmd_ctx, mflash_cmd, "write", mflash_write_command, COMMAND_EXEC,

-				"mflash write <num> <file> <address>");

-		register_command(cmd_ctx, mflash_cmd, "dump", mflash_dump_command, COMMAND_EXEC,

-						"mflash dump <num> <file> <address> <size>");

-	}

-

-	return ERROR_OK;

-}

-

-static int mflash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)

-{

-	target_t *target;

-	char *str;

-	int i;

-

-	if (argc < 8)

-	{

-		return ERROR_COMMAND_SYNTAX_ERROR;

-	}

-

-	if ((target = get_target_by_num(strtoul(args[7], NULL, 0))) == NULL)

-	{

-		LOG_ERROR("target %lu not defined", strtoul(args[7], NULL, 0));

-		return ERROR_FAIL;

-	}

-

-	mflash_bank = calloc(sizeof(mflash_bank_t), 1);

-	mflash_bank->base = strtoul(args[1], NULL, 0);

-	mflash_bank->chip_width = strtoul(args[2], NULL, 0);

-	mflash_bank->bus_width = strtoul(args[3], NULL, 0);

-	mflash_bank->rst_pin.num = strtoul(args[4], &str, 0);

-	if (*str)

-		mflash_bank->rst_pin.port[0] = (u16)tolower(str[0]);

-	mflash_bank->wp_pin.num = strtol(args[5], &str, 0);

-	if (*str)

-		mflash_bank->wp_pin.port[0] = (u16)tolower(str[0]);

-	mflash_bank->dpd_pin.num = strtol(args[6], &str, 0);

-	if (*str)

-		mflash_bank->dpd_pin.port[0] = (u16)tolower(str[0]);

-

-	mflash_bank->target = target;

-

-	for (i = 0; mflash_gpio[i] ; i++) {

-		if (! strcmp(mflash_gpio[i]->name, args[0])) {

-			mflash_bank->gpio_drv = mflash_gpio[i];

-		}

-	}

-

-	if (! mflash_bank->gpio_drv) {

-		LOG_ERROR("%s is unsupported soc", args[0]);

-		return ERROR_INVALID_ARGUMENTS;

-	}

-

-	return ERROR_OK;

-}

-

-int mflash_register_commands(struct command_context_s *cmd_ctx)

-{

-	mflash_cmd = register_command(cmd_ctx, NULL, "mflash", NULL, COMMAND_ANY, NULL);

-	register_command(cmd_ctx, mflash_cmd, "bank", mflash_bank_command, COMMAND_CONFIG,

-			"mflash bank <soc> <base> <chip_width> <bus_width> <RST pin> <WP pin> <DPD pin> <target #>");

-	return ERROR_OK;

-}

+/***************************************************************************
+ *   Copyright (C) 2007-2008 by unsik Kim <donari75@gmail.com>             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <inttypes.h>
+
+#include "command.h"
+#include "log.h"
+#include "target.h"
+#include "time_support.h"
+#include "fileio.h"
+#include "mflash.h"
+
+static int s3c2440_set_gpio_to_output (mflash_gpio_num_t gpio);
+static int s3c2440_set_gpio_output_val (mflash_gpio_num_t gpio, u8 val);
+static int pxa270_set_gpio_to_output (mflash_gpio_num_t gpio);
+static int pxa270_set_gpio_output_val (mflash_gpio_num_t gpio, u8 val);
+
+static command_t *mflash_cmd;
+
+static mflash_bank_t *mflash_bank;
+
+static mflash_gpio_drv_t pxa270_gpio = {
+	.name = "pxa270",
+	.set_gpio_to_output = pxa270_set_gpio_to_output,
+	.set_gpio_output_val = pxa270_set_gpio_output_val
+};
+
+static mflash_gpio_drv_t s3c2440_gpio = {
+	.name = "s3c2440",
+	.set_gpio_to_output = s3c2440_set_gpio_to_output,
+	.set_gpio_output_val = s3c2440_set_gpio_output_val
+};
+
+static mflash_gpio_drv_t *mflash_gpio[] =
+{
+		&pxa270_gpio,
+		&s3c2440_gpio,
+		NULL
+};
+
+#define PXA270_GAFR0_L 0x40E00054
+#define PXA270_GAFR3_U 0x40E00070
+#define PXA270_GAFR3_U_RESERVED_BITS  0xfffc0000u
+#define PXA270_GPDR0 0x40E0000C
+#define PXA270_GPDR3 0x40E0010C
+#define PXA270_GPDR3_RESERVED_BITS  0xfe000000u
+#define PXA270_GPSR0 0x40E00018
+#define PXA270_GPCR0 0x40E00024
+
+static int pxa270_set_gpio_to_output (mflash_gpio_num_t gpio)
+{
+	u32 addr, value, mask;
+	target_t *target = mflash_bank->target;
+	int ret;
+
+	// remove alternate function.
+	mask = 0x3u << (gpio.num & 0xF)*2;
+
+	addr = PXA270_GAFR0_L + (gpio.num >> 4) * 4;
+
+	if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)
+		return ret;
+
+	value &= ~mask;
+	if (addr == PXA270_GAFR3_U)
+		value &= ~PXA270_GAFR3_U_RESERVED_BITS;
+
+	if ((ret = target_write_u32(target, addr, value)) != ERROR_OK)
+		return ret;
+
+	// set direction to output
+	mask = 0x1u << (gpio.num & 0x1F);
+
+	addr = PXA270_GPDR0 + (gpio.num >> 5) * 4;
+
+	if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)
+		return ret;
+
+	value |= mask;
+	if (addr == PXA270_GPDR3)
+		value &= ~PXA270_GPDR3_RESERVED_BITS;
+
+	ret = target_write_u32(target, addr, value);
+	return ret;
+}
+
+static int pxa270_set_gpio_output_val (mflash_gpio_num_t gpio, u8 val)
+{
+	u32 addr, value, mask;
+	target_t *target = mflash_bank->target;
+	int ret;
+
+	mask = 0x1u << (gpio.num & 0x1F);
+
+	if (val) {
+		addr = PXA270_GPSR0 + (gpio.num >> 5) * 4;
+	} else {
+		addr = PXA270_GPCR0 + (gpio.num >> 5) * 4;
+	}
+
+	if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)
+		return ret;
+
+	value |= mask;
+
+	ret = target_write_u32(target, addr, value);
+
+	return ret;
+}
+
+#define S3C2440_GPACON 0x56000000
+#define S3C2440_GPADAT 0x56000004
+#define S3C2440_GPJCON 0x560000d0
+#define S3C2440_GPJDAT 0x560000d4
+
+static int s3c2440_set_gpio_to_output (mflash_gpio_num_t gpio)
+{
+	u32 data, mask, gpio_con;
+	target_t *target = mflash_bank->target;
+	int ret;
+
+	if (gpio.port[0] >= 'a' && gpio.port[0] <= 'h') {
+		gpio_con = S3C2440_GPACON + (gpio.port[0] - 'a') * 0x10;
+	} else if (gpio.port[0] == 'j') {
+		gpio_con = S3C2440_GPJCON;
+	} else {
+		LOG_ERROR("invalid port %d%s", gpio.num, gpio.port);
+		return ERROR_INVALID_ARGUMENTS;
+	}
+
+	ret = target_read_u32(target, gpio_con, &data);
+
+	if (ret == ERROR_OK) {
+		if (gpio.port[0] == 'a') {
+			mask = 1 << gpio.num;
+			data &= ~mask;
+		} else {
+			mask = 3 << gpio.num * 2;
+			data &= ~mask;
+			data |= (1 << gpio.num * 2);
+		}
+
+		ret = target_write_u32(target, gpio_con, data);
+	}
+	return ret;
+}
+
+static int s3c2440_set_gpio_output_val (mflash_gpio_num_t gpio, u8 val)
+{
+	u32 data, mask, gpio_dat;
+	target_t *target = mflash_bank->target;
+	int ret;
+
+	if (gpio.port[0] >= 'a' && gpio.port[0] <= 'h') {
+		gpio_dat = S3C2440_GPADAT + (gpio.port[0] - 'a') * 0x10;
+	} else if (gpio.port[0] == 'j') {
+		gpio_dat = S3C2440_GPJDAT;
+	} else {
+		LOG_ERROR("invalid port %d%s", gpio.num, gpio.port);
+		return ERROR_INVALID_ARGUMENTS;
+	}
+
+	ret = target_read_u32(target, gpio_dat, &data);
+
+	if (ret == ERROR_OK) {
+		mask = 1 << gpio.num;
+		if (val)
+			data |= mask;
+		else
+			data &= ~mask;
+
+		ret = target_write_u32(target, gpio_dat, data);
+	}
+	return ret;
+}
+
+static int mflash_rst(u8 level)
+{
+	return mflash_bank->gpio_drv->set_gpio_output_val(mflash_bank->rst_pin, level);
+}
+
+static int mg_dump_task_reg (void)
+{
+	target_t *target = mflash_bank->target;
+	u32 address = mflash_bank->base + MG_REG_OFFSET + MG_REG_ERROR;
+	u8 value, i;
+	char *reg_name[9] = {
+		"error                  ",
+		"sector count           ",
+		"sector num (LBA  7- 0) ",
+		"cyl. low   (LBA 15- 8) ",
+		"cyl. high  (LBA 23-16) ",
+		"drv/head               ",
+		"status                 ",
+		"dev control            ",
+		"burst control          "
+	};
+
+	for (i = 0; i < 9; i++) {
+		target_read_u8(target, address + i * 2, &value);
+		LOG_INFO("%s : 0x%2.2x", reg_name[i], value);
+	}
+
+	return ERROR_OK;
+
+}
+static int mflash_init_gpio (void)
+{
+	mflash_gpio_drv_t *gpio_drv = mflash_bank->gpio_drv;
+
+	gpio_drv->set_gpio_to_output(mflash_bank->rst_pin);
+	gpio_drv->set_gpio_output_val(mflash_bank->rst_pin, 1);
+
+	if (mflash_bank->wp_pin.num != -1) {
+		gpio_drv->set_gpio_to_output(mflash_bank->wp_pin);
+		gpio_drv->set_gpio_output_val(mflash_bank->wp_pin, 1);
+	}
+
+	if (mflash_bank->dpd_pin.num != -1) {
+		gpio_drv->set_gpio_to_output(mflash_bank->dpd_pin);
+		gpio_drv->set_gpio_output_val(mflash_bank->dpd_pin, 1);
+	}
+
+	return ERROR_OK;
+}
+
+static int mg_dsk_wait(mg_io_type_wait wait, u32 time)
+{
+	u8 status, error;
+	target_t *target = mflash_bank->target;
+	u32 mg_task_reg = mflash_bank->base + MG_REG_OFFSET;
+	duration_t duration;
+	long long t=0;
+
+	duration_start_measure(&duration);
+
+    while (time) {
+
+    	target_read_u8(target, mg_task_reg + MG_REG_STATUS, &status);
+
+    	if (status & mg_io_rbit_status_busy)
+	    {
+    		if (wait == mg_io_wait_bsy)
+	               return ERROR_OK;
+	    } else {
+	        switch(wait)
+	        {
+	            case mg_io_wait_not_bsy:
+	                return ERROR_OK;
+	            case mg_io_wait_rdy_noerr:
+	                if (status & mg_io_rbit_status_ready)
+	                    return ERROR_OK;
+	                break;
+	            case mg_io_wait_drq_noerr:
+	                if (status & mg_io_rbit_status_data_req)
+	                    return ERROR_OK;
+	                break;
+	            default:
+	                break;
+	        }
+
+	        // Now we check the error condition!
+	        if (status & mg_io_rbit_status_error)
+	        {
+	            target_read_u8(target, mg_task_reg + MG_REG_ERROR, &error);
+
+                if (error & mg_io_rbit_err_bad_sect_num) {
+                	LOG_ERROR("sector not found");
+                    return ERROR_FAIL;
+                }
+                else if (error & (mg_io_rbit_err_bad_block | mg_io_rbit_err_uncorrectable)) {
+                	LOG_ERROR("bad block");
+                    return ERROR_FAIL;
+                } else {
+                	LOG_ERROR("disk operation fail");
+	                return ERROR_FAIL;
+	            }
+	        }
+
+	        switch (wait)
+	        {
+	            case mg_io_wait_rdy:
+	                if (status & mg_io_rbit_status_ready)
+	                    return ERROR_OK;
+
+	            case mg_io_wait_drq:
+	                if (status & mg_io_rbit_status_data_req)
+	                    return ERROR_OK;
+
+	            default:
+	            	break;
+	        }
+	    }
+
+    	duration_stop_measure(&duration, NULL);
+
+  		t=duration.duration.tv_usec/1000;
+   		t+=duration.duration.tv_sec*1000;
+
+		if (t > time)
+            break;
+    }
+
+    LOG_ERROR("timeout occured");
+    return ERROR_FAIL;
+}
+
+static int mg_dsk_srst(u8 on)
+{
+	target_t *target = mflash_bank->target;
+	u32 mg_task_reg = mflash_bank->base + MG_REG_OFFSET;
+	u8 value;
+	int ret;
+
+	if ((ret = target_read_u8(target, mg_task_reg + MG_REG_DRV_CTRL, &value)) != ERROR_OK)
+		return ret;
+
+	if(on) {
+		value |= (mg_io_rbit_devc_srst);
+	} else {
+		value &= ~mg_io_rbit_devc_srst;
+	}
+
+	ret = target_write_u8(target, mg_task_reg + MG_REG_DRV_CTRL, value);
+	return ret;
+}
+
+static int mg_dsk_io_cmd(u32 sect_num, u32 cnt, u8 cmd)
+{
+	target_t *target = mflash_bank->target;
+	u32 mg_task_reg = mflash_bank->base + MG_REG_OFFSET;
+	u8 value;
+
+	if (mg_dsk_wait(mg_io_wait_rdy_noerr, MG_OEM_DISK_WAIT_TIME_NORMAL) != ERROR_OK)
+		return ERROR_FAIL;
+
+	value = mg_io_rval_dev_drv_master | mg_io_rval_dev_lba_mode |((sect_num >> 24) & 0xf);
+
+	target_write_u8(target, mg_task_reg + MG_REG_DRV_HEAD, value);
+	target_write_u8(target, mg_task_reg + MG_REG_SECT_CNT, (u8)cnt);
+	target_write_u8(target, mg_task_reg + MG_REG_SECT_NUM, (u8)sect_num);
+	target_write_u8(target, mg_task_reg + MG_REG_CYL_LOW, (u8)(sect_num >> 8));
+	target_write_u8(target, mg_task_reg + MG_REG_CYL_HIGH, (u8)(sect_num >> 16));
+
+	target_write_u8(target, mg_task_reg + MG_REG_COMMAND, cmd);
+
+	return ERROR_OK;
+}
+
+static int mg_dsk_drv_info(void)
+{
+	target_t *target = mflash_bank->target;
+	u32 mg_buff = mflash_bank->base + MG_BUFFER_OFFSET;
+
+	if ( mg_dsk_io_cmd(0, 1, mg_io_cmd_identify) != ERROR_OK)
+		return ERROR_FAIL;
+
+	if ( mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL) != ERROR_OK)
+		return ERROR_FAIL;
+
+	LOG_INFO("read drive info.");
+
+	if (! mflash_bank->drv_info)
+		mflash_bank->drv_info = malloc(sizeof(mg_drv_info_t));
+
+	target->type->read_memory(target, mg_buff, 2, sizeof(mg_io_type_drv_info) >> 1,
+			(u8 *)&mflash_bank->drv_info->drv_id);
+
+	mflash_bank->drv_info->tot_sects = (u32)(mflash_bank->drv_info->drv_id.total_user_addressable_sectors_hi << 16)
+									+ mflash_bank->drv_info->drv_id.total_user_addressable_sectors_lo;
+
+	target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_read);
+
+	return ERROR_OK;
+}
+
+static int mg_mflash_probe(void)
+{
+	mflash_bank->proved = 0;
+
+	mflash_init_gpio();
+
+	LOG_INFO("reset mflash");
+
+	mflash_rst(0);
+
+	if (mg_dsk_wait(mg_io_wait_bsy, MG_OEM_DISK_WAIT_TIME_LONG) != ERROR_OK)
+		return ERROR_FAIL;
+
+	mflash_rst(1);
+
+	if (mg_dsk_wait(mg_io_wait_not_bsy, MG_OEM_DISK_WAIT_TIME_LONG) != ERROR_OK)
+		return ERROR_FAIL;
+
+	mg_dsk_srst(1);
+
+	if (mg_dsk_wait(mg_io_wait_bsy, MG_OEM_DISK_WAIT_TIME_LONG) != ERROR_OK)
+		return ERROR_FAIL;
+
+	mg_dsk_srst(0);
+
+	if (mg_dsk_wait(mg_io_wait_not_bsy, MG_OEM_DISK_WAIT_TIME_LONG) != ERROR_OK)
+		return ERROR_FAIL;
+
+	if (mg_dsk_drv_info() != ERROR_OK)
+		return ERROR_FAIL;
+
+	mflash_bank->proved = 1;
+
+	return ERROR_OK;
+}
+
+static int mflash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+	int ret;
+
+	ret = mg_mflash_probe();
+
+	if (ret == ERROR_OK) {
+		command_print(cmd_ctx, "mflash (total %u sectors) found at 0x%8.8x",
+				mflash_bank->drv_info->tot_sects, mflash_bank->base );
+	}
+
+	return ret;
+}
+
+static int mg_mflash_do_read_sects(void *buff, u32 sect_num, u32 sect_cnt)
+{
+	u32 i, address;
+	int ret;
+	target_t *target = mflash_bank->target;
+	u8 *buff_ptr = buff;
+	duration_t duration;
+
+	if ( mg_dsk_io_cmd(sect_num, sect_cnt, mg_io_cmd_read) != ERROR_OK )
+		return ERROR_FAIL;
+
+	address = mflash_bank->base + MG_BUFFER_OFFSET;
+
+	duration_start_measure(&duration);
+
+	for (i = 0; i < sect_cnt; i++) {
+		mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL);
+
+		target->type->read_memory(target, address, 2, MG_MFLASH_SECTOR_SIZE / 2, buff_ptr);
+		buff_ptr += MG_MFLASH_SECTOR_SIZE;
+
+		target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_read);
+
+		LOG_DEBUG("%u (0x%8.8x) sector read", sect_num + i, (sect_num + i) * MG_MFLASH_SECTOR_SIZE);
+
+		duration_stop_measure(&duration, NULL);
+
+		if ((duration.duration.tv_sec * 1000 + duration.duration.tv_usec / 1000) > 3000) {
+			LOG_INFO("read %u'th sectors", sect_num + i);
+			duration_start_measure(&duration);
+		}
+	}
+
+	ret = mg_dsk_wait(mg_io_wait_rdy, MG_OEM_DISK_WAIT_TIME_NORMAL);
+
+	return ret;
+}
+
+static int mg_mflash_read_sects(void *buff, u32 sect_num, u32 sect_cnt)
+{
+	u32 quotient, residue, i;
+	u8 *buff_ptr = buff;
+
+	quotient = sect_cnt >> 8;
+	residue = sect_cnt % 256;
+
+	for (i = 0; i < quotient; i++) {
+		LOG_DEBUG("sect num : %u buff : 0x%8.8x", sect_num, (u32)buff_ptr);
+		mg_mflash_do_read_sects(buff_ptr, sect_num, 256);
+		sect_num += 256;
+		buff_ptr += 256 * MG_MFLASH_SECTOR_SIZE;
+	}
+
+	if (residue) {
+		LOG_DEBUG("sect num : %u buff : %8.8x", sect_num, (u32)buff_ptr);
+		mg_mflash_do_read_sects(buff_ptr, sect_num, residue);
+	}
+
+	return ERROR_OK;
+}
+
+static int mg_mflash_do_write_sects(void *buff, u32 sect_num, u32 sect_cnt)
+{
+	u32 i, address;
+	int ret;
+	target_t *target = mflash_bank->target;
+	u8 *buff_ptr = buff;
+	duration_t duration;
+
+	if ( mg_dsk_io_cmd(sect_num, sect_cnt, mg_io_cmd_write) != ERROR_OK ) {
+		LOG_ERROR("mg_io_cmd_write fail");
+		return ERROR_FAIL;
+	}
+
+	address = mflash_bank->base + MG_BUFFER_OFFSET;
+
+	duration_start_measure(&duration);
+
+	for (i = 0; i < sect_cnt; i++) {
+		ret = mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL);
+		if (ret != ERROR_OK)
+			LOG_ERROR("mg_io_wait_drq time out");
+
+		ret = target->type->write_memory(target, address, 2, MG_MFLASH_SECTOR_SIZE / 2, buff_ptr);
+		if (ret != ERROR_OK)
+			LOG_ERROR("mem write error");
+		buff_ptr += MG_MFLASH_SECTOR_SIZE;
+
+		ret = target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_write);
+		if (ret != ERROR_OK)
+			LOG_ERROR("mg_io_cmd_confirm_write error");
+
+		LOG_DEBUG("%u (0x%8.8x) sector write", sect_num + i, (sect_num + i) * MG_MFLASH_SECTOR_SIZE);
+
+		duration_stop_measure(&duration, NULL);
+
+		if ((duration.duration.tv_sec * 1000 + duration.duration.tv_usec / 1000) > 3000) {
+			LOG_INFO("wrote %u'th sectors", sect_num + i);
+			duration_start_measure(&duration);
+		}
+	}
+
+	ret = mg_dsk_wait(mg_io_wait_rdy, MG_OEM_DISK_WAIT_TIME_NORMAL);
+
+	return ret;
+}
+
+static int mg_mflash_write_sects(void *buff, u32 sect_num, u32 sect_cnt)
+{
+	u32 quotient, residue, i;
+	u8 *buff_ptr = buff;
+
+	quotient = sect_cnt >> 8;
+	residue = sect_cnt % 256;
+
+	for (i = 0; i < quotient; i++) {
+		LOG_DEBUG("sect num : %u buff : %8.8x", sect_num, (u32)buff_ptr);
+		mg_mflash_do_write_sects(buff_ptr, sect_num, 256);
+		sect_num += 256;
+		buff_ptr += 256 * MG_MFLASH_SECTOR_SIZE;
+	}
+
+	if (residue) {
+		LOG_DEBUG("sect num : %u buff : %8.8x", sect_num, (u32)buff_ptr);
+		mg_mflash_do_write_sects(buff_ptr, sect_num, residue);
+	}
+
+	return ERROR_OK;
+}
+
+static int mg_mflash_read (u32 addr, u8 *buff, u32 len)
+{
+	u8 *sect_buff, *buff_ptr = buff;
+	u32 cur_addr, next_sec_addr, end_addr, cnt, sect_num;
+
+	cnt = 0;
+	cur_addr = addr;
+	end_addr = addr + len;
+
+	sect_buff = malloc(MG_MFLASH_SECTOR_SIZE);
+
+	if (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK) {
+
+		next_sec_addr = (cur_addr + MG_MFLASH_SECTOR_SIZE) & ~MG_MFLASH_SECTOR_SIZE_MASK;
+		sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
+		mg_mflash_read_sects(sect_buff, sect_num, 1);
+
+		if (end_addr < next_sec_addr) {
+			memcpy(buff_ptr, sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), end_addr - cur_addr);
+			LOG_DEBUG("copies %u byte from sector offset 0x%8.8x", end_addr - cur_addr, cur_addr);
+			cur_addr = end_addr;
+		} else {
+			memcpy(buff_ptr, sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), next_sec_addr - cur_addr);
+			LOG_DEBUG("copies %u byte from sector offset 0x%8.8x", next_sec_addr - cur_addr, cur_addr);
+			buff_ptr += (next_sec_addr - cur_addr);
+			cur_addr = next_sec_addr;
+		}
+	}
+
+	if (cur_addr < end_addr) {
+
+		sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
+		next_sec_addr = cur_addr + MG_MFLASH_SECTOR_SIZE;
+
+		while (next_sec_addr <= end_addr) {
+			cnt++;
+			next_sec_addr += MG_MFLASH_SECTOR_SIZE;
+		}
+
+		if (cnt)
+			mg_mflash_read_sects(buff_ptr, sect_num, cnt);
+
+		buff_ptr += cnt * MG_MFLASH_SECTOR_SIZE;
+		cur_addr += cnt * MG_MFLASH_SECTOR_SIZE;
+
+		if (cur_addr < end_addr) {
+
+			sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
+			mg_mflash_read_sects(sect_buff, sect_num, 1);
+			memcpy(buff_ptr, sect_buff, end_addr - cur_addr);
+			LOG_DEBUG("copies %u byte", end_addr - cur_addr);
+
+		}
+
+	}
+
+	free(sect_buff);
+
+	return ERROR_OK;
+}
+
+static int mg_mflash_write(u32 addr, u8 *buff, u32 len)
+{
+	u8 *sect_buff, *buff_ptr = buff;
+	u32 cur_addr, next_sec_addr, end_addr, cnt, sect_num;
+
+	cnt = 0;
+	cur_addr = addr;
+	end_addr = addr + len;
+
+	sect_buff = malloc(MG_MFLASH_SECTOR_SIZE);
+
+	if (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK) {
+
+		next_sec_addr = (cur_addr + MG_MFLASH_SECTOR_SIZE) & ~MG_MFLASH_SECTOR_SIZE_MASK;
+		sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
+		mg_mflash_read_sects(sect_buff, sect_num, 1);
+
+		if (end_addr < next_sec_addr) {
+			memcpy(sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), buff_ptr, end_addr - cur_addr);
+			LOG_DEBUG("copies %u byte to sector offset 0x%8.8x", end_addr - cur_addr, cur_addr);
+			cur_addr = end_addr;
+		} else {
+			memcpy(sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), buff_ptr, next_sec_addr - cur_addr);
+			LOG_DEBUG("copies %u byte to sector offset 0x%8.8x", next_sec_addr - cur_addr, cur_addr);
+			buff_ptr += (next_sec_addr - cur_addr);
+			cur_addr = next_sec_addr;
+		}
+
+		mg_mflash_write_sects(sect_buff, sect_num, 1);
+
+	}
+
+	if (cur_addr < end_addr) {
+
+		sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
+		next_sec_addr = cur_addr + MG_MFLASH_SECTOR_SIZE;
+
+		while (next_sec_addr <= end_addr) {
+			cnt++;
+			next_sec_addr += MG_MFLASH_SECTOR_SIZE;
+		}
+
+		if (cnt)
+			mg_mflash_write_sects(buff_ptr, sect_num, cnt);
+
+		buff_ptr += cnt * MG_MFLASH_SECTOR_SIZE;
+		cur_addr += cnt * MG_MFLASH_SECTOR_SIZE;
+
+		if (cur_addr < end_addr) {
+
+			sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
+			mg_mflash_read_sects(sect_buff, sect_num, 1);
+			memcpy(sect_buff, buff_ptr, end_addr - cur_addr);
+			LOG_DEBUG("copies %u byte", end_addr - cur_addr);
+			mg_mflash_write_sects(sect_buff, sect_num, 1);
+
+		}
+
+	}
+
+	free(sect_buff);
+
+	return ERROR_OK;
+}
+
+static int mflash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+	u32 address, buf_cnt;
+	u8 *buffer;
+	// TODO : multi-bank support, large file support
+	fileio_t fileio;
+	duration_t duration;
+	char *duration_text;
+	int ret;
+
+	if (argc != 3) {
+		return ERROR_COMMAND_SYNTAX_ERROR;
+	}
+
+	address = strtoul(args[2], NULL, 0);
+
+	if (! mflash_bank->proved ) {
+		mg_mflash_probe();
+	}
+
+
+	if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK) {
+		return ERROR_FAIL;
+	}
+
+	buffer = malloc(fileio.size);
+
+	if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
+	{
+		free(buffer);
+		fileio_close(&fileio);
+		return ERROR_FAIL;
+	}
+
+	duration_start_measure(&duration);
+
+	ret = mg_mflash_write(address, buffer, (u32)fileio.size);
+
+	duration_stop_measure(&duration, &duration_text);
+
+	command_print(cmd_ctx, "wrote %lli byte from file %s in %s (%f kB/s)",
+		fileio.size, args[1], duration_text,
+		(float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
+
+	free(duration_text);
+
+	fileio_close(&fileio);
+
+	free(buffer);
+
+	return ERROR_OK;
+}
+
+static int mflash_dump_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+	u32 address, size_written, size;
+	u8 *buffer;
+	// TODO : multi-bank support
+	fileio_t fileio;
+	duration_t duration;
+	char *duration_text;
+
+	if (argc != 4) {
+		return ERROR_COMMAND_SYNTAX_ERROR;
+	}
+
+	address = strtoul(args[2], NULL, 0);
+	size = strtoul(args[3], NULL, 0);
+
+	if (! mflash_bank->proved ) {
+			mg_mflash_probe();
+	}
+
+	if (fileio_open(&fileio, args[1], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK) {
+		return ERROR_FAIL;
+	}
+
+	buffer = malloc(size);
+
+	duration_start_measure(&duration);
+
+	mg_mflash_read(address, buffer, size);
+
+	duration_stop_measure(&duration, &duration_text);
+
+	fileio_write(&fileio, size, buffer, &size_written);
+
+	command_print(cmd_ctx, "dump image (address 0x%8.8x size %u) to file %s in %s (%f kB/s)",
+				address, size, args[1], duration_text,
+				(float)size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
+
+	free(duration_text);
+
+	fileio_close(&fileio);
+
+	free(buffer);
+
+	return ERROR_OK;
+}
+
+int mflash_init_drivers(struct command_context_s *cmd_ctx)
+{
+	if (mflash_bank) {
+		register_command(cmd_ctx, mflash_cmd, "probe", mflash_probe_command, COMMAND_EXEC, NULL);
+		register_command(cmd_ctx, mflash_cmd, "write", mflash_write_command, COMMAND_EXEC,
+				"mflash write <num> <file> <address>");
+		register_command(cmd_ctx, mflash_cmd, "dump", mflash_dump_command, COMMAND_EXEC,
+						"mflash dump <num> <file> <address> <size>");
+	}
+
+	return ERROR_OK;
+}
+
+static int mflash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+	target_t *target;
+	char *str;
+	int i;
+
+	if (argc < 8)
+	{
+		return ERROR_COMMAND_SYNTAX_ERROR;
+	}
+
+	if ((target = get_target_by_num(strtoul(args[7], NULL, 0))) == NULL)
+	{
+		LOG_ERROR("target %lu not defined", strtoul(args[7], NULL, 0));
+		return ERROR_FAIL;
+	}
+
+	mflash_bank = calloc(sizeof(mflash_bank_t), 1);
+	mflash_bank->base = strtoul(args[1], NULL, 0);
+	mflash_bank->chip_width = strtoul(args[2], NULL, 0);
+	mflash_bank->bus_width = strtoul(args[3], NULL, 0);
+	mflash_bank->rst_pin.num = strtoul(args[4], &str, 0);
+	if (*str)
+		mflash_bank->rst_pin.port[0] = (u16)tolower(str[0]);
+	mflash_bank->wp_pin.num = strtol(args[5], &str, 0);
+	if (*str)
+		mflash_bank->wp_pin.port[0] = (u16)tolower(str[0]);
+	mflash_bank->dpd_pin.num = strtol(args[6], &str, 0);
+	if (*str)
+		mflash_bank->dpd_pin.port[0] = (u16)tolower(str[0]);
+
+	mflash_bank->target = target;
+
+	for (i = 0; mflash_gpio[i] ; i++) {
+		if (! strcmp(mflash_gpio[i]->name, args[0])) {
+			mflash_bank->gpio_drv = mflash_gpio[i];
+		}
+	}
+
+	if (! mflash_bank->gpio_drv) {
+		LOG_ERROR("%s is unsupported soc", args[0]);
+		return ERROR_INVALID_ARGUMENTS;
+	}
+
+	return ERROR_OK;
+}
+
+int mflash_register_commands(struct command_context_s *cmd_ctx)
+{
+	mflash_cmd = register_command(cmd_ctx, NULL, "mflash", NULL, COMMAND_ANY, NULL);
+	register_command(cmd_ctx, mflash_cmd, "bank", mflash_bank_command, COMMAND_CONFIG,
+			"mflash bank <soc> <base> <chip_width> <bus_width> <RST pin> <WP pin> <DPD pin> <target #>");
+	return ERROR_OK;
+}