/*
 * (C) Copyright 2013-2016
* SPDX-License-Identifier:	GPL-2.0+
 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
 *
 */
/*********************************************************************************************************
*                                                                NAND FLASH DRIVER
*								(c) Copyright 2008, SoftWinners Co,Ld.
*                                          			    All Right Reserved
*file : nand_simple.c
*description : this file creates some physic basic access function based on single plane for boot .
*history :
*	v0.1  2008-03-26 Richard
* v0.2  2009-9-3 penggang modified for 1615
*
*********************************************************************************************************/

#include "../include/nand_drv_cfg.h"
#include "../include/nand_type.h"
#include "../include/nand_simple.h"
#include "../include/nand_physic.h"
#include "../include/nfc.h"

extern int printf(const char *fmt, ...);
extern __s32 NFC_GetFeature(NFC_CMD_LIST *cmd, __u8 *buf);
extern __s32 NFC_SetFeature(NFC_CMD_LIST *cmd, __u8 *buf);
extern __s32 NFC_Is_Toggle_Interface(void);
extern __s32 NFC_Set_Legacy_Interface(void);
extern __s32 NFC_Set_Toggle_Interface(void);

struct __NandStorageInfo_t NandStorageInfo;
struct __NandPageCachePool_t PageCachePool;

_ndfc_dma_desc_t *ndfc_dma_desc = (void *)0;

extern __u32 uboot_start_block;
extern __u32 uboot_next_block;
extern __u32 nand_specialinfo_page;
extern __u32 nand_specialinfo_offset;

extern __u32 Two_Row_Addr_Flag;
__u32 RetryCount[1]	  = { 0 };
const __u16 random_seed[128] = {
	/*0        1      2       3        4      5        6       7       8       9*/
	0x2b75, 0x0bd0, 0x5ca3, 0x62d1, 0x1c93, 0x07e9, 0x2162, 0x3a72, 0x0d67,
	0x67f9, 0x1be7, 0x077d, 0x032f, 0x0dac, 0x2716, 0x2436, 0x7922, 0x1510,
	0x3860, 0x5287, 0x480f, 0x4252, 0x1789, 0x5a2d, 0x2a49, 0x5e10, 0x437f,
	0x4b4e, 0x2f45, 0x216e, 0x5cb7, 0x7130, 0x2a3f, 0x60e4, 0x4dc9, 0x0ef0,
	0x0f52, 0x1bb9, 0x6211, 0x7a56, 0x226d, 0x4ea7, 0x6f36, 0x3692, 0x38bf,
	0x0c62, 0x05eb, 0x4c55, 0x60f4, 0x728c, 0x3b6f, 0x2037, 0x7f69, 0x0936,
	0x651a, 0x4ceb, 0x6218, 0x79f3, 0x383f, 0x18d9, 0x4f05, 0x5c82, 0x2912,
	0x6f17, 0x6856, 0x5938, 0x1007, 0x61ab, 0x3e7f, 0x57c2, 0x542f, 0x4f62,
	0x7454, 0x2eac, 0x7739, 0x42d4, 0x2f90, 0x435a, 0x2e52, 0x2064, 0x637c,
	0x66ad, 0x2c90, 0x0bad, 0x759c, 0x0029, 0x0986, 0x7126, 0x1ca7, 0x1605,
	0x386a, 0x27f5, 0x1380, 0x6d75, 0x24c3, 0x0f8e, 0x2b7a, 0x1418, 0x1fd1,
	0x7dc1, 0x2d8e, 0x43af, 0x2267, 0x7da3, 0x4e3d, 0x1338, 0x50db, 0x454d,
	0x764d, 0x40a3, 0x42e6, 0x262b, 0x2d2e, 0x1aea, 0x2e17, 0x173d, 0x3a6e,
	0x71bf, 0x25f9, 0x0a5d, 0x7c57, 0x0fbe, 0x46ce, 0x4939, 0x6b17, 0x37bb,
	0x3e91, 0x76db
};

/**************************************************************************
************************* add one cmd to cmd list******************************
****************************************************************************/
void _add_cmd_list(NFC_CMD_LIST *cmd, __u32 value, __u32 addr_cycle, __u8 *addr,
		   __u8 data_fetch_flag, __u8 main_data_fetch, __u32 bytecnt,
		   __u8 wait_rb_flag)
{
	cmd->addr	    = addr;
	cmd->addr_cycle      = addr_cycle;
	cmd->data_fetch_flag = data_fetch_flag;
	cmd->main_data_fetch = main_data_fetch;
	cmd->bytecnt	 = bytecnt;
	cmd->value	   = value;
	cmd->wait_rb_flag    = wait_rb_flag;
	cmd->next	    = NULL;
}

/****************************************************************************
*********************translate (block + page+ sector) into 5 bytes addr***************
*****************************************************************************/
void _cal_addr_in_chip(__u32 block, __u32 page, __u32 sector, __u8 *addr,
		       __u8 cycle)
{
	__u32 row;
	__u32 column;

	column = 512 * sector;
	row    = block * PAGE_CNT_OF_PHY_BLK + page;

	switch (cycle) {
	case 1:
		addr[0] = 0x00;
		break;
	case 2:
		addr[0] = column & 0xff;
		addr[1] = (column >> 8) & 0xff;
		break;
	case 3:
		addr[0] = row & 0xff;
		addr[1] = (row >> 8) & 0xff;
		addr[2] = (row >> 16) & 0xff;
		break;
	case 4:
		addr[0] = column && 0xff;
		addr[1] = (column >> 8) & 0xff;
		addr[2] = row & 0xff;
		addr[3] = (row >> 8) & 0xff;
		break;
	case 5:
		addr[0] = column & 0xff;
		addr[1] = (column >> 8) & 0xff;
		addr[2] = row & 0xff;
		addr[3] = (row >> 8) & 0xff;
		addr[4] = (row >> 16) & 0xff;
		break;
	default:
		break;
	}
}

__u8 _cal_real_chip(__u32 global_bank)
{
	return 0;
}

__u8 _cal_real_rb(__u32 chip)
{
	return 0;
}

/*******************************************************************
**********************get status**************************************
********************************************************************/
__s32 _read_status(__u32 cmd_value, __u32 nBank)
{
	/*get status*/
	__u8 addr[5];
	__u32 addr_cycle;
	NFC_CMD_LIST cmd_list;

	addr_cycle = 0;
	_add_cmd_list(&cmd_list, cmd_value, addr_cycle, addr, 1, NFC_IGNORE, 1,
		      NFC_IGNORE);

	return NFC_GetStatus(&cmd_list);
}

/********************************************************************
***************************wait rb ready*******************************
*********************************************************************/
__s32 _wait_rb_ready(__u32 chip)
{
	__s32 timeout = 0xffff;

	/*wait rb ready*/
	while ((timeout--) && (NFC_CheckRbReady(0)))
		;
	if (timeout < 0)
		return -ERR_TIMEOUT;

	return 0;
}

void _random_seed_init(void)
{
}

__u32 _cal_random_seed(__u32 page)
{
	__u32 randomseed;

	randomseed = random_seed[page % 128];

	return randomseed;
}

__s32 _read_single_page(struct boot_physical_param *readop, __u8 read_mode)
{
	__s32 ret;
	__u32 k = 0;
	__u32 rb;
	__u32 random_seed;
	__u8 sparebuf[4 * 16];
	__u8 default_value[16];
	__u8 addr[5];
	NFC_CMD_LIST cmd_list[4];
	__u32 list_len, i;

	if (Two_Row_Addr_Flag) {
		/*the cammand have no corresponding feature if IGNORE was set, */
		_cal_addr_in_chip(readop->block, readop->page, 0, addr, 4);
		_add_cmd_list(cmd_list, 0x00, 4, addr, NFC_NO_DATA_FETCH,
			      NFC_IGNORE, NFC_IGNORE, NFC_NO_WAIT_RB);
	} else {
		_cal_addr_in_chip(readop->block, readop->page, 0, addr, 5);
		_add_cmd_list(cmd_list, 0x00, 5, addr, NFC_NO_DATA_FETCH,
			      NFC_IGNORE, NFC_IGNORE, NFC_NO_WAIT_RB);
	}

	_add_cmd_list(cmd_list + 1, 0x05, NFC_IGNORE, NFC_IGNORE, NFC_IGNORE,
		      NFC_IGNORE, NFC_IGNORE, NFC_IGNORE);
	_add_cmd_list(cmd_list + 2, 0xe0, NFC_IGNORE, NFC_IGNORE, NFC_IGNORE,
		      NFC_IGNORE, NFC_IGNORE, NFC_IGNORE);
	_add_cmd_list(cmd_list + 3, 0x30, NFC_IGNORE, NFC_IGNORE, NFC_IGNORE,
		      NFC_IGNORE, NFC_IGNORE, NFC_IGNORE);
	list_len = 4;
	for (i = 0; i < list_len - 1; i++) {
		cmd_list[i].next = &(cmd_list[i + 1]);
	}

	/*wait rb ready*/
	ret = _wait_rb_ready(readop->chip);
	if (ret)
		return ret;

	rb = _cal_real_rb(readop->chip);
	NFC_SelectChip(readop->chip);
	NFC_SelectRb(rb);

	if (SUPPORT_READ_RETRY && (read_mode == 0)) {
		if (((READ_RETRY_MODE >= 0x10) && (READ_RETRY_MODE < 0x30)) ||
		    ((READ_RETRY_MODE >= 0x40) &&
		     (READ_RETRY_MODE <
		      0x50))) /*toshiba or Samsung mode or micron*/
			RetryCount[readop->chip] = 0;

		for (k = 0; k < READ_RETRY_CYCLE + 1; k++) {
			if (RetryCount[readop->chip] == (READ_RETRY_CYCLE + 1))
				RetryCount[readop->chip] = 0;

			if (k > 0) {
				if (NFC_ReadRetry(readop->chip,
						  RetryCount[readop->chip],
						  READ_RETRY_TYPE)) {
					PHY_ERR("[Read_single_page] NFC_ReadRetry fail \n");
					return -1;
				}
			}

			random_seed = _cal_random_seed(readop->page);
			NFC_SetRandomSeed(random_seed);
			NFC_RandomEnable();
			ret = NFC_Read(cmd_list, readop->mainbuf, sparebuf,
				       read_mode, NFC_PAGE_MODE);
			NFC_RandomDisable();

			if ((ret != -ERR_ECC) || (k == READ_RETRY_CYCLE)) {
				if ((READ_RETRY_MODE >= 0x10) &&
				    (READ_RETRY_MODE < 0x20)) {
					/*toshiba mode*/
					/*exit toshiba readretry*/
					PHY_ResetChip(readop->chip);
				} else if ((READ_RETRY_MODE >= 0x20) &&
					   (READ_RETRY_MODE <
					    0x30)) {
					/*samsung mode*/
					NFC_SetDefaultParam(readop->chip,
							    default_value,
							    READ_RETRY_TYPE);
				} else if ((READ_RETRY_MODE >= 0x40) &&
					   (READ_RETRY_MODE <
					    0x50)) {
					/*micron mode*/
					NFC_SetDefaultParam(readop->chip,
							    default_value,
							    READ_RETRY_TYPE);
				}

				break;
			}

			RetryCount[readop->chip]++;
		}

		if (k > 0) {
			PHY_DBG("[Read_single_page] NFC_ReadRetry %d cycles, chip = %d, block = %d ",
				k, readop->chip, readop->block);
			PHY_DBG("page = %d, RetryCount = %d  \n", readop->page,
				RetryCount[readop->chip]);

			if (ret == -ERR_ECC)
				PHY_DBG("ecc error!\n");
			/*PHY_DBG("spare buf: %x, %x, %x, %x, %x, %x, %x, %x\n", sparebuf[0],sparebuf[1],sparebuf[2],sparebuf[3],sparebuf[4],sparebuf[5],sparebuf[6],sparebuf[7]);*/
		}
		if (ret == ECC_LIMIT)
			ret = 0;
	} else {
		if (SUPPORT_RANDOM) {
			if (read_mode == 1)
				random_seed = 0x4a80;
			else
				random_seed = _cal_random_seed(readop->page);
			NFC_SetRandomSeed(random_seed);
			NFC_RandomEnable();
			ret = NFC_Read(cmd_list, readop->mainbuf, sparebuf,
				       read_mode, NFC_PAGE_MODE);
		} else {
			ret = NFC_Read(cmd_list, readop->mainbuf, sparebuf,
				       read_mode, NFC_PAGE_MODE);
		}
	}

	if (readop->oobbuf) {
		MEMCPY(readop->oobbuf, sparebuf, 2 * 4);
	}

	NFC_DeSelectChip(readop->chip);
	NFC_DeSelectRb(rb);

	return ret;
}

/*
************************************************************************************************************************
*                       INIT NAND FLASH DRIVER PHYSICAL MODULE
*
* Description: init nand flash driver physical module.
*
* Aguments   : none
*
* Returns    : the resutl of initial.
*                   = 0     initial successful;
*                   = -1    initial failed.
************************************************************************************************************************
*/
__s32 PHY_Init(void)
{
	__s32 ret;

	NFC_INIT_INFO nand_info;
	/*init RetryCount*/
	RetryCount[0]		     = 0;
	nand_info.bus_width	  = 0x0;
	nand_info.ce_ctl	     = 0x0;
	nand_info.ce_ctl1	    = 0x0;
	nand_info.debug		     = 0x0;
	nand_info.pagesize	   = 4;
	nand_info.rb_sel	     = 1;
	nand_info.serial_access_mode = 1;
	nand_info.ddr_type	   = 0;
	ret			     = NFC_Init(&nand_info);

	/*PHY_DBG("NFC Randomizer start. \n");*/
	_random_seed_init();
	NFC_RandomDisable();

	return ret;
}

__s32 check_nand_special_info(__u8 *buf)
{
	__u8 sum;
	__u32 i;
	__s32 ret = -1;

	if (*((__u8 *)buf) == 0xa5) {
		for (sum = 0, i = 2; i < 514; i++) {
			sum += *((__u8 *)buf + i);
		}
		if (sum == *((__u8 *)buf + 1)) {
			ret = 0;
			PHY_DBG("check sum ok \n");
		}
	}

	return ret;
}

__s32 PHY_GetDefaultParam(__u32 bank)
{
	__u32 i, j, chip = 0; /* rb = 0;*/
	__u8 default_value[64];
	__u8 oob_buf[64];
	__u8 *oob, *pdata;
	__s32 ret, otp_ok_flag = 0;
	struct boot_physical_param nand_op;

	oob   = (__u8 *)(oob_buf);
	pdata = (__u8 *)(PHY_TMP_PAGE_CACHE);
	if (!PageCachePool.PageCache0) {
		PageCachePool.PageCache0 =
			(__u8 *)MALLOC(SECTOR_CNT_OF_SUPER_PAGE * 512);
		if (!PageCachePool.PageCache0)
			return -1;
	}

	if ((READ_RETRY_MODE == 2) || (READ_RETRY_MODE == 3)) {
		/*PHY_DBG("uboot_start_block %d uboot_next_block %d\n",uboot_start_block,uboot_next_block);*/
		/*PHY_DBG("nand_specialinfo_page %d nand_specialinfo_offset %d\n",nand_specialinfo_page,nand_specialinfo_offset);*/
		for (i = uboot_start_block; i < uboot_next_block; i++) {
			nand_op.chip    = chip;
			nand_op.block   = i;
			nand_op.page    = nand_specialinfo_page;
			nand_op.mainbuf = PHY_TMP_PAGE_CACHE;
			nand_op.oobbuf  = oob_buf;

			ret = PHY_SimpleRead(&nand_op);
			/*PHY_DBG("ret %d oob %x\n",ret,*((__u32 *)oob_buf));*/
			if ((ret >= 0) && (oob[0] == 0xff) &&
			    (oob[1] != 0xff) && (oob[2] != 0xff) &&
			    (oob[3] != 0xff)) {
				if (0 == check_nand_special_info(
						 (__u8 *)PHY_TMP_PAGE_CACHE +
						 nand_specialinfo_offset)) {
					otp_ok_flag = 1;
					PHY_DBG("find good otp value in chip %d, block %d \n",
						nand_op.chip, nand_op.block);
					break;
				}
			}
		}

		if (otp_ok_flag) {
			pdata = (__u8 *)(PHY_TMP_PAGE_CACHE +
					 nand_specialinfo_offset + 2);
			for (j			 = 0; j < 64; j++)
				default_value[j] = pdata[j];
			NFC_GetOTPValue(0, default_value, READ_RETRY_TYPE);
		} else {
			NFC_GetDefaultParam(chip, default_value,
					    READ_RETRY_TYPE);
			NFC_SetDefaultParam(chip, default_value,
					    READ_RETRY_TYPE);
		}

	} else if (READ_RETRY_MODE == 4) {
		otp_ok_flag = 0;
		for (i = uboot_start_block; i < uboot_next_block; i++) {
			nand_op.chip    = chip;
			nand_op.block   = i;
			nand_op.page    = nand_specialinfo_page;
			nand_op.mainbuf = PHY_TMP_PAGE_CACHE;
			nand_op.oobbuf  = oob_buf;

			ret = PHY_SimpleRead(&nand_op);

			if ((ret >= 0) && (oob[0] == 0xff) &&
			    (oob[1] != 0xff) && (oob[2] != 0xff) &&
			    (oob[3] != 0xff)) {
				if (0 == check_nand_special_info(
						 (__u8 *)PHY_TMP_PAGE_CACHE +
						 nand_specialinfo_offset)) {
					otp_ok_flag = 1;
					PHY_DBG("find good otp value in chip %d, block %d \n",
						nand_op.chip, nand_op.block);
					break;
				}
			}
		}
		if (otp_ok_flag) {
			pdata = (__u8 *)(PHY_TMP_PAGE_CACHE +
					 nand_specialinfo_offset + 2);
			NFC_GetOTPValue(chip, pdata, READ_RETRY_TYPE);
		} else {
			NFC_GetDefaultParam(chip, default_value,
					    READ_RETRY_TYPE);
			NFC_SetDefaultParam(chip, default_value,
					    READ_RETRY_TYPE);
		}
	} else {
		NFC_GetDefaultParam(chip, default_value, READ_RETRY_TYPE);
		NFC_SetDefaultParam(chip, default_value, READ_RETRY_TYPE);
	}

	return 0;
}

__s32 PHY_SetDefaultParam(__u32 bank)
{
	__u8 default_value[64];

	if (SUPPORT_READ_RETRY) {
		NFC_SelectChip(0);
		NFC_SetDefaultParam(0, default_value, READ_RETRY_TYPE);
	}
	return 0;
}

__s32 PHY_ChangeMode(__u8 serial_mode)
{
	NFC_INIT_INFO nand_info;

	/*memory allocate*/
	if (!PageCachePool.PageCache0) {
		PageCachePool.PageCache0 =
			(__u8 *)MALLOC(SECTOR_CNT_OF_SUPER_PAGE * 512);
		if (!PageCachePool.PageCache0)
			return -1;
	}

	if (!PageCachePool.SpareCache) {
		PageCachePool.SpareCache =
			(__u8 *)MALLOC(SECTOR_CNT_OF_SUPER_PAGE * 4);
		if (!PageCachePool.SpareCache)
			return -1;
	}

	if (!PageCachePool.TmpPageCache) {
		PageCachePool.TmpPageCache =
			(__u8 *)MALLOC(SECTOR_CNT_OF_SUPER_PAGE * 512);
		if (!PageCachePool.TmpPageCache)
			return -1;
	}
	/*memory allocation for dma descriptor*/
	if (!ndfc_dma_desc) {
		ndfc_dma_desc = (_ndfc_dma_desc_t *)MALLOC(
			sizeof(_ndfc_dma_desc_t) * 5);
		if (!ndfc_dma_desc)
			return -1;
	}
	NFC_SetEccMode(ECC_MODE);

	nand_info.bus_width	  = 0x0;
	nand_info.ce_ctl	     = 0x0;
	nand_info.ce_ctl1	    = 0x0;
	nand_info.debug		     = 0x0;
	nand_info.pagesize	   = SECTOR_CNT_OF_SINGLE_PAGE;
	nand_info.serial_access_mode = serial_mode;
	nand_info.ddr_type	   = DDR_TYPE;
	return NFC_ChangMode(&nand_info);
}

/*
************************************************************************************************************************
*                       NAND FLASH DRIVER PHYSICAL MODULE EXIT
*
* Description: nand flash driver physical module exit.
*
* Aguments   : none
*
* Returns    : the resutl of exit.
*                   = 0     exit successful;
*                   = -1    exit failed.
************************************************************************************************************************
*/
__s32 PHY_Exit(void)
{
	if (SUPPORT_READ_RETRY) {
		PHY_SetDefaultParam(0);
		NFC_ReadRetryExit(READ_RETRY_TYPE);
	}

	NFC_RandomDisable();

	NFC_Exit();
	return 0;
}

/*
************************************************************************************************************************
*                       RESET ONE NAND FLASH CHIP
*
*Description: Reset the given nand chip;
*
*Arguments  : nChip     the chip select number, which need be reset.
*
*Return     : the result of chip reset;
*               = 0     reset nand chip successful;
*               = -1    reset nand chip failed.
************************************************************************************************************************
*/
__s32 PHY_ResetChip(__u32 nChip)
{
	__s32 ret;
	__s32 timeout = 0xffff;

	NFC_CMD_LIST cmd;

	NFC_SelectChip(nChip);

	_add_cmd_list(&cmd, 0xff, 0, NFC_IGNORE, NFC_NO_DATA_FETCH, NFC_IGNORE,
		      NFC_IGNORE, NFC_NO_WAIT_RB);
	ret = NFC_ResetChip(&cmd);

	/*wait rb0 ready*/
	NFC_SelectRb(0);
	while ((timeout--) && (NFC_CheckRbReady(0)))
		;
	if (timeout < 0)
		return -ERR_TIMEOUT;

	/*wait rb0 ready*/
	NFC_SelectRb(1);
	while ((timeout--) && (NFC_CheckRbReady(1)))
		;
	if (timeout < 0)
		return -ERR_TIMEOUT;

	NFC_DeSelectChip(nChip);

	return ret;
}

/*
************************************************************************************************************************
*                       READ NAND FLASH ID
*
*Description: Read nand flash ID from the given nand chip.
*
*Arguments  : nChip         the chip number whoes ID need be read;
*             pChipID       the po__s32er to the chip ID buffer.
*
*Return     : read nand chip ID result;
*               = 0     read chip ID successful, the chip ID has been stored in given buffer;
*               = -1    read chip ID failed.
************************************************************************************************************************
*/

__s32 PHY_ReadNandId(__s32 nChip, void *pChipID)
{
	__s32 ret;
	NFC_CMD_LIST cmd;
	__u8 addr = 0;

	NFC_SelectChip(nChip);

	_add_cmd_list(&cmd, 0x90, 1, &addr, NFC_DATA_FETCH, NFC_IGNORE, 6,
		      NFC_NO_WAIT_RB);
	ret = NFC_GetId(&cmd, pChipID);

	NFC_DeSelectChip(nChip);
	return ret;
}

__s32 PHY_GetFeature(__s32 nChip, __u8 *addr, void *value)
{
	__s32 ret;
	NFC_CMD_LIST cmd;

	NFC_SelectChip(nChip);
	_add_cmd_list(&cmd, 0xEE, 1, addr, NFC_DATA_FETCH, NFC_IGNORE, 4,
		      NFC_NO_WAIT_RB);
	ret = NFC_GetFeature(&cmd, value);
	NFC_DeSelectChip(nChip);

	return ret;
}

__s32 PHY_SetFeature(__s32 nChip, __u8 *addr, void *value)
{
	__s32 ret;
	NFC_CMD_LIST cmd;

	NFC_SelectChip(nChip);
	_add_cmd_list(&cmd, 0xEF, 1, addr, NFC_DATA_FETCH, NFC_IGNORE, 4,
		      NFC_WAIT_RB);
	ret = NFC_SetFeature(&cmd, value);
	NFC_DeSelectChip(nChip);

	return ret;
}

/*****************************************************************************
*Name         :
*Description  :
*Parameter    :
*Return       : 0:ok  -1:fail
*Note         :
*****************************************************************************/
__s32 Setup_Ddr_Nand_Force_To_Sdr_Para(boot_nand_para_t *nand_info)
{
	__u8 addr;
	__u8 p[4];
	__u8 pr[4]; /*read back value*/
	__u8 flag;

	flag = (nand_info->OperationOpt & (1 << 27)) ? 1 : 0;
	if (!flag) {
		return 0;
	}

	if ((nand_info->NandChipId[0] == 0x45) ||
	    (nand_info->NandChipId[0] == 0x98)) {
		/* sandisk/toshiba nand flash*/
		addr = 0x80; /*Sandisk: This address (80h) is a vendor-specific setting used to turn on or turn off Toggle Mode*/

#if 1
		NFC_Set_Legacy_Interface();
		PHY_GetFeature(0, &addr, pr);
		/*printf("get feature(addr 0x80) 0x%x 0x%x 0x%x 0x%x!\n",pr[0],pr[1],pr[2],pr[3]);*/
		if (pr[0] == 0x00) {
			NFC_Set_Toggle_Interface();
		} else {
			NFC_Set_Legacy_Interface();
		}
#endif

		p[0] = 0x1; /*disable toggle mode*/
		p[1] = 0x0;
		p[2] = 0x0;
		p[3] = 0x0;
		PHY_SetFeature(0, &addr, p);
		NFC_Set_Legacy_Interface();
#if 1
		PHY_GetFeature(0, &addr, pr);
/*printf("get feature(addr 0x80) 0x%x 0x%x 0x%x 0x%x!\n",pr[0],pr[1],pr[2],pr[3]);*/
#endif
	}

	return 0;
}

__s32 PHY_SimpleRead(struct boot_physical_param *readop)
{
	return _read_single_page(readop, 0);
}

__s32 PHY_SimpleRead_1K(struct boot_physical_param *readop)
{
	return _read_single_page(readop, 1);
}

/*
************************************************************************************************************************
*                       SYNC NAND FLASH PHYSIC OPERATION
*
*Description: Sync nand flash operation, check nand flash program/erase operation status.
*
*Arguments  : nBank     the number of the bank which need be synchronized;
*             bMode     the type of synch,
*                       = 0     sync the chip which the bank belonged to, wait the whole chip
*                               to be ready, and report status. if the chip support cacheprogram,
*                               need check if the chip is true ready;
*                       = 1     only sync the the bank, wait the bank ready and report the status,
*                               if the chip support cache program, need not check if the cache is
*                               true ready.
*
*Return     : the result of synch;
*               = 0     synch nand flash successful, nand operation ok;
*               = -1    synch nand flash failed.
************************************************************************************************************************
*/
__s32 PHY_SynchBank(__u32 nBank, __u32 bMode)
{
	__s32 ret, status;
	__u32 chip;
	__u32 rb;
	__u32 cmd_value;
	__s32 timeout = 0xffff;

	ret = 0;
	/*get chip no*/
	chip = _cal_real_chip(nBank);
	rb   = _cal_real_rb(chip);

	if (0xff == chip) {
		PHY_ERR("PHY_SynchBank : beyond chip count\n");
		return -ERR_INVALIDPHYADDR;
	}

	if ((bMode == 1) && SUPPORT_INT_INTERLEAVE) {
		if (nBank % BNK_CNT_OF_CHIP == 0)
			cmd_value =
				NandStorageInfo.OptPhyOpPar.InterBnk0StatusCmd;
		else
			cmd_value =
				NandStorageInfo.OptPhyOpPar.InterBnk1StatusCmd;
	} else {
		if (SUPPORT_MULTI_PROGRAM)
			cmd_value =
				NandStorageInfo.OptPhyOpPar.MultiPlaneStatusCmd;
		else
			cmd_value = 0x70;
	}

	NFC_SelectChip(chip);
	NFC_SelectRb(rb);

	while (1) {
		status = _read_status(cmd_value, nBank % BNK_CNT_OF_CHIP);
		if (status < 0) {
			PHY_ERR("PHY_SynchBank : read status invalid ,chip = %x, bank = %x, cmd value = %x, status = %x\n",
				chip, nBank, cmd_value, status);
			return status;
		}
		if (status & NAND_STATUS_READY)
			break;

		if (timeout-- < 0) {
			PHY_ERR("PHY_SynchBank : wait nand ready timeout,chip = %x, bank = %x, cmd value = %x, status = %x\n",
				chip, nBank, cmd_value, status);
			return -ERR_TIMEOUT;
		}
	}
	if (status & NAND_OPERATE_FAIL) {
		PHY_ERR("PHY_SynchBank : last W/E operation fail,chip = %x, bank = %x, cmd value = %x, status = %x\n",
			chip, nBank, cmd_value, status);
		ret = NAND_OP_FALSE;
	}

	NFC_DeSelectChip(chip);
	NFC_DeSelectRb(rb);

	return ret;
}
