void copy_code_to_dram(void)
{
//unsigned long ch;
void (*user_bin)(void);
//ch = *(volatile unsigned int *)(0xD0037488);//need modify
// 函数指针
//copy_sd_mmc_to_mem copy_bl2 = (copy_sd_mmc_to_mem) (*(unsigned int *) (0xD0037F98));
//copy_bl2(0, 49, 32,(unsigned int *)0x23E00000, 0);
// 49:源,代码位于扇区49,1 sector = 512 bytes
// 32:长度，拷贝32 sector，即16K
// 0x23E00000:目的,链接地址0x23E00000
volatile unsigned long count=0x100000;
while(count>0){
count--;}
uart_asm_putc('C');
uart_asm_putc('O');
uart_asm_putc('P');
uart_asm_putc('Y');
uart_asm_putc('\r');
uart_asm_putc('\n');
SDMMC_ReadBlocks(49,32,(unsigned int *)0x43e00000);
//uart_asm_putx("now copy OVER!!!!/n");
uart_asm_putc('O');
uart_asm_putc('V');
uart_asm_putc('E');
uart_asm_putc('R');
uart_asm_putc('\r');
uart_asm_putc('\n');
unsigned int *p;
int i;
p = (unsigned int *) 0x43e00000;
for (i = 0; i < 100; i++) {
uart_asm_putx(*(p+i));
uart_asm_putc(' ');
}
// 跳转到DRAM
user_bin = (void *)0x43e00000;
(*user_bin)();
}
int main(void)
{
char rec;
unsigned char value = 0;
printf("\n\r\n\r");
iic_init();
printf("\n\r");
iic_master_write(0xa0, 0x3, 0x15);
iic_master_read(0xa0, 0x3, &value);
printf("addr 0x3 value is: ");
uart_asm_putx(value);
printf("\n\r");
iic_dest();
return 0;
}
void uboot_mem_test(void)
{
unsigned int *p;
int i;
/* show dram config */
p = (unsigned int *) 0x10600000;
for (i = 0; i < 0x100/4; i++, p++) {
if (!(i & 0xf)) {
uart_asm_putc('\r');
uart_asm_putc('\n');
}
uart_asm_putx(*p);
uart_asm_putc('.');
}
p = (unsigned int *) 0x10610000;
for (i = 0; i < 0x100/4; i++, p++) {
if (!(i & 0xf)) {
uart_asm_putc('\r');
uart_asm_putc('\n');
}
uart_asm_putx(*p);
uart_asm_putc('.');
}
uart_asm_putc('\r');
uart_asm_putc('\n');
uart_asm_putc('L');
uart_asm_putc('e');
uart_asm_putc('n');
uart_asm_putc(':');
uart_asm_putc(' ');
uart_asm_putx(MT_LEN);
uart_asm_putc('\r');
uart_asm_putc('\n');
uart_asm_putc('W');
/* writing */
p = (unsigned int *) MT_START;
for (i = 0; i < MT_LEN/4; i++, p++) {
*p = i+0x5a000000;
if (!(i & 0xfffff)) {
uart_asm_putc('.');
}
}
uart_asm_putc('\r');
uart_asm_putc('\n');
uart_asm_putc('R');
/* read and verify */
p = (unsigned int *) MT_START;
for (i = 0; i < MT_LEN/4; i++, p++) {
if (*p != (i+0x5a000000)) {
uart_asm_putc('X');
uart_asm_putx(i);
uart_asm_putx(p);
if (i > 4) {
uart_asm_putx(*(p-4));
uart_asm_putx(*(p-3));
uart_asm_putx(*(p-2));
uart_asm_putx(*(p-1));
}
uart_asm_putx(*p);
uart_asm_putx(*(p+1));
uart_asm_putx(*(p+2));
uart_asm_putx(*(p+3));
uart_asm_putx(*(p+4));
break;
}
if (!(i & 0xfffff)) {
uart_asm_putc('.');
}
}
uart_asm_putc('\r');
uart_asm_putc('\n');
uart_asm_putc('>');
#if 0
/* dump memory */
p = (unsigned int *) MT_START;
for (i = 0; i < 0x200; i++, p++) {
if (!(i & 0xf)) {
uart_asm_putc('\r');
uart_asm_putc('\n');
}
uart_asm_putx(*p);
uart_asm_putc('.');
}
uart_asm_putc('\r');
uart_asm_putc('\n');
#endif
}