void write_file()
{
unsigned long len = 0;
int have_begin = 0;
unsigned char* buf = (unsigned char*)0x52000000;
int nodata_time = 0;
unsigned char c;
printf("Use minicom to send file.\n");
while(1) {
if(uart_getc_nowait(&buf[len]) == 0) {
have_begin = 1;
nodata_time = 0;
len++;
} else {
if(have_begin) {
nodata_time++;
}
}
if(nodata_time == 1000) {
break;
}
}
printf("Have get %d bytes data\n",len);
printf("Press y to program: ");
c = uart_getc();
if(c == 'y' || c == 'Y') {
nand_erase_block(0);
nand_write_page(0,buf,len);
printf("\nUpdate program successful\n");
} else {
printf("\nUpdate program cancel\n");
}
}
void nand_write_test()
{
char buf[100];
unsigned long addr;
unsigned long size;
printf("Enter the start address: ");
scanf("%lu",&addr);
printf("\nEnter the string: ");
scanf("%s",buf);
size = strlen(buf) + 1;
nand_write_page(addr,buf,size);
}
void copy_file2nand(unsigned int ramAddr,unsigned int blockAddr,unsigned int fileSize)
{
//计算boot代码大小，确定需要格式化Block的块总数、需要写入的Page总数
unsigned long bootSize = fileSize; //uboot代码长度
unsigned long blockTotal,pageTotal;
blockTotal = (
(bootSize + NAND_BLOCK_MASK ) & (~NAND_BLOCK_MASK)
) / NAND_BLOCK_SIZE;
pageTotal = (
(bootSize + NAND_PAGE_MASK ) & (~NAND_PAGE_MASK)
) / NAND_PAGE_SIZE;
printk("\r\ncode size 0x%x (%dByte)\r\n",bootSize,bootSize);
printk("require block %d require page %d\r\n",blockTotal,pageTotal);
//烧录进FLASH，不带坏块检测
char retErase;
unsigned char *lpsrcData = (unsigned char *)ramAddr; //SDRAM 0x30000000地址的代码
unsigned int off_data,page_addr;
retErase = nand_erase_block(blockAddr);
// printk("retrEsdrase %d\r\n",retErase);
off_data = 0;
page_addr = blockAddr;
while(off_data < bootSize)
{
nand_write_page(
page_addr,
(unsigned char*)(lpsrcData + off_data) ,
NAND_PAGE_SIZE);
// nand_write_page(
// page_addr,
// (unsigned char*)(lpsrcData + off_data));
// printk("colum 0x%8.8x write data off %d page_addr %d\r\n",off_data,off_data,page_addr);
// PrintNandFlash((unsigned char*)(lpsrcData + off_data),16);
off_data += NAND_PAGE_SIZE;
page_addr += NAND_PAGE_ADDR;
}
}