示例#1
0
/*******************************************************************************
*								NFC_CopyBackWrite
*
* Description 	: copyback write one page data inside flash in single plane mode or multi plane mode
* Arguments	: *cwcmd	-- the copyback read command sequence list head.
 			  rb_wait_mode  -- 0 = do not care rb, 1 = set rb interrupt and do not wait rb ready.
* Returns		: 0 = success.
			  -1 = fail.
* Notes		: the unit must be page.
********************************************************************************/
__s32 NFC_CopyBackWrite(NFC_CMD_LIST  *cwcmd, __u8 rb_wait_mode)
{
	__s32 ret;

	_enter_nand_critical();

	ret = nfc_set_cmd_register(cwcmd);
	if (ret){
		_exit_nand_critical();
		return ret;
	}
	_wait_twb();
	ret = _wait_cmdfifo_free();
	ret |= _wait_cmd_finish();

	_exit_nand_critical();

	return ret;
}
示例#2
0
__s32 NFC_Write_Wait( NFC_CMD_LIST  *wcmd, void *mainbuf, void *sparebuf,  __u8 dma_wait_mode, __u8 rb_wait_mode,
				    __u8 page_mode)
{
	__s32 ret;


	NAND_WaitDmaFinish();
    ret = _wait_dma_end(1, (__u32)mainbuf, pagesize);
	if (ret)
		return ret;

	_wait_twb();
	_wait_cmdfifo_free();
	_wait_cmd_finish();

	/*disable ecc*/
	_disable_ecc();

	/*switch to ahb*/
	NFC_WRITE_REG(NFC_REG_CTL, (NFC_READ_REG(NFC_REG_CTL)) & (~NFC_RAM_METHOD));

	_exit_nand_critical();
	return ret;
}
示例#3
0
/*******************************************************************************
*								NFC_Write
*
* Description 	: write one page data into flash in single plane mode.
* Arguments	: *wcmd	-- the write command sequence list head。
*			  *mainbuf	-- point to data buffer address, 	it must be four bytes align.
*                     *sparebuf	-- point to spare buffer address.
*                     dma_wait_mode	-- how to deal when dma start, 0 = wait till dma finish,
							    1 = dma interrupt was set and now sleep till interrupt occurs.
*			  rb_wait_mode -- 0 = do not care rb, 1 = set rb interrupt and do not wait rb ready.
*			  page_mode  -- 0 = common command, 1 = page command.
* Returns		: 0 = success.
			  -1 = fail.
* Notes		: the unit must be page, so if  page_mode is not 1, return fail,the function exits without checking status,
			  if the commands do not fetch data,ecc is not neccesary.
********************************************************************************/
__s32 NFC_Write( NFC_CMD_LIST  *wcmd, void *mainbuf, void *sparebuf,  __u8 dma_wait_mode, __u8 rb_wait_mode,
				    __u8 page_mode)
{
	__s32 ret;
	__s32 i;
	__u32 cfg;
	__u32 program_cmd,random_program_cmd;
	NFC_CMD_LIST *cur_cmd,*program_addr_cmd;

	if (page_mode == 0){
		return -1;
	}

	ret = 0;
	_enter_nand_critical();

	/*write in page_mode*/
	program_addr_cmd = wcmd;
	cur_cmd = wcmd;
	cur_cmd = cur_cmd->next;
	random_program_cmd = cur_cmd->value;
	cur_cmd = cur_cmd->next;
	program_cmd = cur_cmd->value;

	//access NFC internal RAM by DMA bus
	NFC_WRITE_REG(NFC_REG_CTL, (NFC_READ_REG(NFC_REG_CTL)) | NFC_RAM_METHOD);

	/*set dma and run*/
//	if (NFC_IS_SDRAM((__u32)mainbuf))
//		attr = 0x2930281;
//	else
//		attr = 0x2930280;

	_dma_config_start(1, (__u32)mainbuf, pagesize);

	/*wait cmd fifo free*/
	ret = _wait_cmdfifo_free();
	if (ret){
		_exit_nand_critical();
		return ret;
	}
	/*set NFC_REG_CNT*/
  NFC_WRITE_REG(NFC_REG_CNT,1024);

	/*set NFC_REG_RCMD_SET*/
	cfg = 0;
	cfg |= (program_cmd & 0xff);
	cfg |= ((random_program_cmd & 0xff) << 8);
	NFC_WRITE_REG(NFC_REG_WCMD_SET, cfg);

	/*set NFC_REG_SECTOR_NUM*/
	NFC_WRITE_REG(NFC_REG_SECTOR_NUM, pagesize/1024);

	/*set user data*/
	for (i = 0; i < pagesize/1024;  i++){
		NFC_WRITE_REG(NFC_REG_USER_DATA(i), *((__u32 *)sparebuf + i) );
	}

	/*set addr*/
	_set_addr(program_addr_cmd->addr,program_addr_cmd->addr_cycle);

	/*set NFC_REG_CMD*/
	cfg  = 0;
	 /*set sequence mode*/
	//cfg |= 0x1<<25;
	cfg |= program_addr_cmd->value;
	cfg |= ( (program_addr_cmd->addr_cycle - 1) << 16);
	//cfg |= (NFC_SEND_ADR | NFC_ACCESS_DIR | NFC_DATA_TRANS | NFC_SEND_CMD | NFC_WAIT_FLAG | NFC_DATA_SWAP_METHOD);
	cfg |= (NFC_SEND_ADR | NFC_ACCESS_DIR | NFC_DATA_TRANS | NFC_SEND_CMD1 | NFC_SEND_CMD2 | NFC_DATA_SWAP_METHOD);
	cfg |= ((__u32)0x2 << 30);//page command
	if (pagesize/1024 == 1)
		cfg |= NFC_SEQ;

	/*enable ecc*/
	_enable_ecc(1);
	NFC_WRITE_REG(NFC_REG_CMD,cfg);

    NAND_WaitDmaFinish();

	_wait_twb();
	_wait_cmdfifo_free();
	_wait_cmd_finish();

	/*start dma?*/
	/*if dma mode is wait*/
	if(0 == dma_wait_mode){
		ret = _wait_dma_end();
	}

	/*disable ecc*/
	_disable_ecc();

	/*switch to ahb*/
	NFC_WRITE_REG(NFC_REG_CTL, (NFC_READ_REG(NFC_REG_CTL)) & (~NFC_RAM_METHOD));

	_exit_nand_critical();
	return ret;
}
示例#4
0
__s32 NFC_Write_Seq( NFC_CMD_LIST  *wcmd, void *mainbuf, void *sparebuf,  __u8 dma_wait_mode, __u8 rb_wait_mode,
				    __u8 page_mode)
{
	__s32 ret;
	__s32 i;
	__u32 cfg;
	__u32 page_size_temp, ecc_mode_temp,page_size_set,ecc_set;
	__u32 program_cmd,random_program_cmd;
	NFC_CMD_LIST *cur_cmd,*program_addr_cmd;

	if (page_mode == 0){
		return -1;
	}

	ret = 0;
	_enter_nand_critical();

	/*write in page_mode*/
	program_addr_cmd = wcmd;
	cur_cmd = wcmd;
	cur_cmd = cur_cmd->next;
	random_program_cmd = cur_cmd->value;
	cur_cmd = cur_cmd->next;
	program_cmd = cur_cmd->value;


	//access NFC internal RAM by DMA bus
	NFC_WRITE_REG(NFC_REG_CTL, (NFC_READ_REG(NFC_REG_CTL)) | NFC_RAM_METHOD);

	//set pagesize to 8K for burn boot0 lsb mode
    page_size_temp = (NFC_READ_REG(NFC_REG_CTL) & 0xf00)>>8;
	NFC_WRITE_REG(NFC_REG_CTL, ((NFC_READ_REG(NFC_REG_CTL)) & (~NFC_PAGE_SIZE))| (0x3<<8));
	page_size_set = 8192;  //fix pagesize 8k to burn boot1.bin for hynix 2x and 2y nm flash


	_dma_config_start(1, (__u32)mainbuf, page_size_set);

	/*wait cmd fifo free*/
	ret = _wait_cmdfifo_free();
	if (ret){
		_exit_nand_critical();
		return ret;
	}
	/*set NFC_REG_CNT*/
  NFC_WRITE_REG(NFC_REG_CNT,1024);

	/*set NFC_REG_RCMD_SET*/
	cfg = 0;
	cfg |= (program_cmd & 0xff);
	cfg |= ((random_program_cmd & 0xff) << 8);
	NFC_WRITE_REG(NFC_REG_WCMD_SET, cfg);

	/*set NFC_REG_SECTOR_NUM*/
	NFC_WRITE_REG(NFC_REG_SECTOR_NUM, page_size_set/1024);

	/*set user data*/
	for (i = 0; i < page_size_set/1024;  i++){
		NFC_WRITE_REG(NFC_REG_USER_DATA(i), *((__u32 *)sparebuf + i) );
	}

	/*set addr*/
	_set_addr(program_addr_cmd->addr,program_addr_cmd->addr_cycle);

	/*set NFC_REG_CMD*/
	cfg  = 0;
	 /*set sequence mode*/
	cfg |= 0x1<<25;
	cfg |= program_addr_cmd->value;
	cfg |= ( (program_addr_cmd->addr_cycle - 1) << 16);
	//cfg |= (NFC_SEND_ADR | NFC_ACCESS_DIR | NFC_DATA_TRANS | NFC_SEND_CMD | NFC_WAIT_FLAG | NFC_DATA_SWAP_METHOD);
	cfg |= (NFC_SEND_ADR | NFC_ACCESS_DIR | NFC_DATA_TRANS | NFC_SEND_CMD1 | NFC_SEND_CMD2 | NFC_DATA_SWAP_METHOD);
	cfg |= ((__u32)0x2 << 30);//page command


	/*enable ecc*/
	_enable_ecc(1);

	/*set ecc to specified ecc*/
    ecc_mode_temp = (NFC_READ_REG(NFC_REG_ECC_CTL) & 0xf000)>>12;
	if(ecc_mode_temp>=4)  //change for hynix 2y nm flash
		ecc_set = 0x4;
	else//change for hynix 2x nm flash
		ecc_set = 0x1;
	NFC_WRITE_REG(NFC_REG_ECC_CTL, ((NFC_READ_REG(NFC_REG_ECC_CTL) & (~NFC_ECC_MODE))|(ecc_set<<12) ));

	NFC_WRITE_REG(NFC_REG_CMD,cfg);

    NAND_WaitDmaFinish();

	_wait_twb();
	_wait_cmdfifo_free();
	_wait_cmd_finish();

	/*start dma?*/
	/*if dma mode is wait*/
//	if(0 == dma_wait_mode){
//		ret = _wait_dma_end();
//	}

	/*disable ecc*/
	_disable_ecc();

	/*set ecc to original value*/
	NFC_WRITE_REG(NFC_REG_ECC_CTL, (NFC_READ_REG(NFC_REG_ECC_CTL) & (~NFC_ECC_MODE))|(ecc_mode_temp<<12));

      /*set pagesize to original value*/
      NFC_WRITE_REG(NFC_REG_CTL, ((NFC_READ_REG(NFC_REG_CTL)) & (~NFC_PAGE_SIZE)) | (page_size_temp<<8));

	/*switch to ahb*/
	NFC_WRITE_REG(NFC_REG_CTL, (NFC_READ_REG(NFC_REG_CTL)) & (~NFC_RAM_METHOD));

	_exit_nand_critical();
	return ret;
}
示例#5
0
__s32 NFC_Write_1K( NFC_CMD_LIST  *wcmd, void *mainbuf, void *sparebuf,  __u8 dma_wait_mode, __u8 rb_wait_mode,
				    __u8 page_mode)
{
	__s32 ret;
	__s32 i;
	__u32 cfg;
	__u32 page_size_temp, ecc_mode_temp;
	__u32 program_cmd,random_program_cmd;
	NFC_CMD_LIST *cur_cmd,*program_addr_cmd;

	if (page_mode == 0){
		return -1;
	}

	ret = 0;
	_enter_nand_critical();

	/*write in page_mode*/
	program_addr_cmd = wcmd;
	cur_cmd = wcmd;
	cur_cmd = cur_cmd->next;
	random_program_cmd = cur_cmd->value;
	cur_cmd = cur_cmd->next;
	program_cmd = cur_cmd->value;

	//access NFC internal RAM by DMA bus
	NFC_WRITE_REG(NFC_REG_CTL, (NFC_READ_REG(NFC_REG_CTL)) | NFC_RAM_METHOD);

	//set pagesize to 1K
    page_size_temp = (NFC_READ_REG(NFC_REG_CTL) & 0xf00)>>8;
	NFC_WRITE_REG(NFC_REG_CTL, ((NFC_READ_REG(NFC_REG_CTL)) & (~NFC_PAGE_SIZE))| (0x0<<8));


	_dma_config_start(1, (__u32)mainbuf, 1024);

	/*wait cmd fifo free*/
	ret = _wait_cmdfifo_free();
	if (ret){
		_exit_nand_critical();
		return ret;
	}
	/*set NFC_REG_CNT*/
    NFC_WRITE_REG(NFC_REG_CNT,1024);

	/*set NFC_REG_RCMD_SET*/
	cfg = 0;
	cfg |= (program_cmd & 0xff);
	cfg |= ((random_program_cmd & 0xff) << 8);
	NFC_WRITE_REG(NFC_REG_WCMD_SET, cfg);

	/*set NFC_REG_SECTOR_NUM*/
	NFC_WRITE_REG(NFC_REG_SECTOR_NUM, 1024/1024);

	/*set user data*/
	for (i = 0; i < 1024/1024;  i++){
		NFC_WRITE_REG(NFC_REG_USER_DATA(i), *((__u32 *)sparebuf + i) );
	}

	/*set addr*/
	_set_addr(program_addr_cmd->addr,program_addr_cmd->addr_cycle);

	/*set NFC_REG_CMD*/
	cfg  = 0;
	 /*set sequence mode*/
	cfg |= 0x1<<25;
	cfg |= program_addr_cmd->value;
	cfg |= ( (program_addr_cmd->addr_cycle - 1) << 16);
	//cfg |= (NFC_SEND_ADR | NFC_ACCESS_DIR | NFC_DATA_TRANS | NFC_SEND_CMD | NFC_WAIT_FLAG | NFC_DATA_SWAP_METHOD);
	cfg |= (NFC_SEND_ADR | NFC_ACCESS_DIR | NFC_DATA_TRANS | NFC_SEND_CMD1 | NFC_SEND_CMD2 | NFC_DATA_SWAP_METHOD);
	cfg |= ((__u32)0x2 << 30);//page command
	if (pagesize/1024 == 1)
		cfg |= NFC_SEQ;

	/*enable ecc*/
	_enable_ecc(1);

	/*set ecc to 64-bit ecc*/
    ecc_mode_temp = (NFC_READ_REG(NFC_REG_ECC_CTL) & 0xf000)>>12;
	NFC_WRITE_REG(NFC_REG_ECC_CTL, ((NFC_READ_REG(NFC_REG_ECC_CTL) & (~NFC_ECC_MODE))|(0x8<<12) ));
	NFC_WRITE_REG(NFC_REG_CMD,cfg);

    NAND_WaitDmaFinish();
    ret = _wait_dma_end(1, (__u32)mainbuf, 1024);
	if (ret)
		return ret;

	_wait_twb();
	_wait_cmdfifo_free();
	_wait_cmd_finish();

	/*disable ecc*/
	_disable_ecc();

	/*set ecc to original value*/
	NFC_WRITE_REG(NFC_REG_ECC_CTL, (NFC_READ_REG(NFC_REG_ECC_CTL) & (~NFC_ECC_MODE))|(ecc_mode_temp<<12));

      /*set pagesize to original value*/
      NFC_WRITE_REG(NFC_REG_CTL, ((NFC_READ_REG(NFC_REG_CTL)) & (~NFC_PAGE_SIZE)) | (page_size_temp<<8));

	/*switch to ahb*/
	NFC_WRITE_REG(NFC_REG_CTL, (NFC_READ_REG(NFC_REG_CTL)) & (~NFC_RAM_METHOD));

	_exit_nand_critical();
	return ret;
}