#ifdef CONFIG_BOOT_ONENAND
ldr r0, =0x70000000 @ onenand controller setup
orr r0, r0, #0x100000
ldr r1, =0x4000
orr r1, r1, #0xe0
str r1, [r0]
#if defined(CONFIG_S3C6410) || defined(CONFIG_S3C6430)
orr r0, r0, #300 @ disable watchdog
mov r1, #1 /* r1 = 0x1 */
str r1, [r0]
代码中的看门狗地址不是0X7EOO_4000,而且往[0]是写1。这个实在是看不懂了