/*
************************************************************************************************************
*
* function
*
* name :
*
* parmeters :
*
* return :
*
* note :
*
*
************************************************************************************************************
*/
int load_boot1_from_spinor(void)
{
__u32 length;
struct spare_boot_head_t *bfh;
if(spinor_init(0))
{
printf("spinor init fail\n");
return -1;
}
/* 载入当前块最前面512字节的数据到SRAM中，目的是获取文件头 */
if(spinor_read(UBOOT_START_SECTOR_IN_SPINOR, 1, (void *)CONFIG_SYS_TEXT_BASE ) )
{
printf("the first data is error\n");
goto __load_boot1_from_spinor_fail;
}
printf("Succeed in reading Boot1 file head.\n");
/* 察看是否是文件头 */
if( check_magic( (__u32 *)CONFIG_SYS_TEXT_BASE, UBOOT_MAGIC ) != 0 )
{
printf("ERROR! Add %u doesn't store head of Boot1 copy.\n", UBOOT_START_SECTOR_IN_SPINOR );
goto __load_boot1_from_spinor_fail;
}
bfh = (struct spare_boot_head_t *)CONFIG_SYS_TEXT_BASE;
length = bfh->boot_head.length;
printf("The size of uboot is %x.\n", length );
if( ( length & ( 512 - 1 ) ) != 0 ) // length必须是NF_SECTOR_SIZE对齐的
{
printf("the boot1 is not aligned by %x\n", bfh->boot_head.align_size);
goto __load_boot1_from_spinor_fail;
}
if(spinor_read(UBOOT_START_SECTOR_IN_SPINOR, length/512, (void *)CONFIG_SYS_TEXT_BASE ))
{
printf("spinor read data error\n");
goto __load_boot1_from_spinor_fail;
}
bfh->boot_data.storage_type = 3;
return 0;
__load_boot1_from_spinor_fail:
return -1;
}
static int
sunxi_flash_spinor_read(unsigned int start_block, unsigned int nblock, void *buffer)
{
debug("spinor read: start 0x%x, sector 0x%x\n", start_block, nblock);
return spinor_read(start_block + CONFIG_SPINOR_LOGICAL_OFFSET, nblock, buffer);
}
