HI3531的nand flash测试 分类： arm-linux-Ubuntu HI3531 2013-12-20 17:56 568人阅读 评论(0) 收藏

void NAND_Init()

{

*(unsigned int *)(0x20030000 + 0xd0) = 7; delay_x(0X5000);

*(unsigned int *)(0x20030000 + 0xd0) = 6; delay_x(0X5000);

*(unsigned int *)(0x200f0000 + 0x1fc) = 0;//muxctrl_reg127 NF_DQ0 管脚复用控制寄存器

*(unsigned int *)(0x200f0000 + 0x200) = 0;

*(unsigned int *)(0x200f0000 + 0x204) = 0;

*(unsigned int *)(0x200f0000 + 0x208) = 0;

*(unsigned int *)(0x200f0000 + 0x20C) = 0;

*(unsigned int *)(0x200f0000 + 0x210) = 0;

*(unsigned int *)(0x200f0000 + 0x214) = 0;

*(unsigned int *)(0x200f0000 + 0x218) = 0;//7

*(unsigned int *)(0x200f0000 + 0x21C) = 0;

*(unsigned int *)(0x200f0000 + 0x220) = 0;

//p626

*(unsigned int *)(NANDC_ADDR +0X00) = 0x85;//NFC_CON

*(unsigned int *)(NANDC_ADDR +0X04) = 0x666;//NFC_PWIDTH 为读写脉冲宽度配置寄存器。

*(unsigned int *)(NANDC_ADDR +0X24) = 0x0;//NFC_INTEN 为中断使能寄存器

delay_x(0X500);

}

void NAND_Read_Page()

{

*(unsigned int *)(NANDC_ADDR +0X10) = 0x0;//NFC_ADDRL 为低位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X14) = 0x0;//NFC_ADDRH 为高位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X0c) = 0x00003000;//NFC_CMD 为命令字配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X18) = 0x800;

delay_x(0X500);

//地址周期 cmd1_en addr_wen data_wen cmd2_en ready/busy data_ren read_stus_en

*(unsigned int *)(NANDC_ADDR +0X1c) = 5<<9 | 1<<6 | 1<<5 | 0<<4 | 1<<3 |1<<2 | 1<<1 | 0;//0xa6e;//NFC_OP 为操作寄存器。

delay_x(0X500);

retu = *(unsigned int *)(NANDC_ADDR +0X20) ;//NFC_STATUS 为状态寄存器。

delay_x(0X5000);

}

void NAND_Read_Random()

{

*(unsigned int *)(NANDC_ADDR +0X10) = 0x0;//NFC_ADDRL 为低位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X14) = 0x0;//NFC_ADDRH 为高位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X0c) = 0x0000e005;//NFC_CMD 为命令字配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X18) = 0x20;

delay_x(0X500);

//*(unsigned int *)(NANDC_ADDR +0X1c) = 0x46e;//NFC_OP 为操作寄存器。

//地址周期 cmd1_en addr_wen data_wen cmd2_en ready/busy data_ren read_stus_en

*(unsigned int *)(NANDC_ADDR +0X1c) = 2<<9 | 1<<6 | 1<<5 | 0<<4 | 1<<3 |1<<2 | 1<<1 | 0;////NFC_OP 为操作寄存器。

delay_x(0X500);

retu = *(unsigned int *)(NANDC_ADDR +0X20) ;//NFC_STATUS 为状态寄存器。

delay_x(0X5000);

}

void NAND_Write_Page()

{

*(unsigned int *)(NANDC_ADDR +0X10) = 0x0;//NFC_ADDRL 为低位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X14) = 0x0;//NFC_ADDRH 为高位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X0c) = 0x00001080;//NFC_CMD 为命令字配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X18) = 8;

delay_x(0X500);

*(unsigned int *)(0x50000000) = 0x11223344;

delay_x(0X500);

*(unsigned int *)(0x50000004) = 0x55667788;

delay_x(0X500);

// *(unsigned int *)(NANDC_ADDR +0X1c) = 0xa7d;//NFC_OP 为操作寄存器。

//地址周期 cmd1_en addr_wen data_wen cmd2_en ready/busy data_ren read_stus_en

*(unsigned int *)(NANDC_ADDR +0X1c) = 5<<9 | 1<<6 | 1<<5 | 1<<4 | 1<<3 |1<<2 | 0<<1 | 0;//NFC_OP 为操作寄存器。

delay_x(0X500);

retu = *(unsigned int *)(NANDC_ADDR +0X20) ;//NFC_STATUS 为状态寄存器。

delay_x(0X5000);

}

void NAND_ReadID()

{

*(unsigned int *)(NANDC_ADDR +0X10) = 0x20;//NFC_ADDRL 为低位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X14) = 0x0;//NFC_ADDRH 为高位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X0c) = 0x00000090;//NFC_CMD 为命令字配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X18) = 5;

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X1c) = 0x266;//NFC_OP 为操作寄存器。

delay_x(0X500);

retu = *(unsigned int *)(NANDC_ADDR +0X20) ;//NFC_STATUS 为状态寄存器。

delay_x(0X5000);

}

void NAND_Erase_Block()

{

*(unsigned int *)(NANDC_ADDR +0X10) = 0x0;//NFC_ADDRL 为低位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X14) = 0x0;//NFC_ADDRH 为高位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X0c) = 0x0070d060;//NFC_CMD 为命令字配置寄存器。

delay_x(0X500);

//*(unsigned int *)(NANDC_ADDR +0X1c) = 0x66c;//NFC_OP 为操作寄存器。

//地址周期 cmd1_en addr_wen data_wen cmd2_en ready/busy data_ren read_stus_en

*(unsigned int *)(NANDC_ADDR +0X1c) = 3<<9 | 1<<6 | 1<<5 | 0<<4 | 1<<3 |1<<2 | 0<<1 | 0;//0xa6e;//NFC_OP 为操作寄存器。

delay_x(0X500);

retu = *(unsigned int *)(NANDC_ADDR +0X20) ;//NFC_STATUS 为状态寄存器。

delay_x(0X5000);

}

int NAND_test(unsigned int data)

{

int i=0;

UART_Init();

NAND_Erase_Block();

//写数据

*(unsigned int *)(NANDC_ADDR +0X10) = 0x0;//NFC_ADDRL 为低位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X14) = 0x0;//NFC_ADDRH 为高位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X0c) = 0x00001080;//NFC_CMD 为命令字配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X18) = 0x800;

delay_x(0X500);

for(i=0;i<(0x800/4);i++)

{

*(unsigned int *)(0x50000000 + i*4) = data;

delay_x(0X500);

}

// *(unsigned int *)(NANDC_ADDR +0X1c) = 0xa7d;//NFC_OP 为操作寄存器。

//地址周期 cmd1_en addr_wen data_wen cmd2_en ready/busy data_ren read_stus_en

*(unsigned int *)(NANDC_ADDR +0X1c) = 5<<9 | 1<<6 | 1<<5 | 1<<4 | 1<<3 |1<<2 | 0<<1 | 0;//NFC_OP 为操作寄存器。

delay_x(0X500);

retu = *(unsigned int *)(NANDC_ADDR +0X20) ;//NFC_STATUS 为状态寄存器。

//读数据

NAND_Read_Page();

//随即读

*(unsigned int *)(NANDC_ADDR +0X10) = 0x0;//NFC_ADDRL 为低位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X14) = 0x0;//NFC_ADDRH 为高位地址配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X0c) = 0x0000e005;//NFC_CMD 为命令字配置寄存器。

delay_x(0X500);

*(unsigned int *)(NANDC_ADDR +0X18) = 0x800;

delay_x(0X500);

//*(unsigned int *)(NANDC_ADDR +0X1c) = 0x46e;//NFC_OP 为操作寄存器。

//地址周期 cmd1_en addr_wen data_wen cmd2_en ready/busy data_ren read_stus_en

*(unsigned int *)(NANDC_ADDR +0X1c) = 2<<9 | 1<<6 | 1<<5 | 0<<4 | 1<<3 |1<<2 | 1<<1 | 0;////NFC_OP 为操作寄存器。

delay_x(0X500);

retu = *(unsigned int *)(NANDC_ADDR +0X20) ;//NFC_STATUS 为状态寄存器。

//判断数据是否正确。

for(i=0;i<(0x800/4);i++)

{

retu = *(unsigned int *)(0x50000000 + i*4);

if(retu != data)

return 1;

delay_x(0X500);

}

return 0;

}

retu2[0] = NAND_test(0x00000000);

retu2[1] = NAND_test(0xffffffff);

retu2[2] = NAND_test(0x5a5a5a5a);

retu2[3] = NAND_test(0xa5a5a5a5);

retu2[4] = NAND_test(0x12345678);

retu = retu2[0]+retu2[2]+retu2[1]+retu2[3]+retu2[4];