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AM3354: AM3354上使用看门狗怎么触摸喂狗的

Part Number: AM3354


你好

请问3354上自带的cpu的WATCHDOG,除了向 WDT_WTGR Registerx写入任意值进行喂狗,还有别的地方会触发喂狗操作吗?
目前我在uboot阶段打开看门狗后,如果不喂狗,在uboot阶段停住就会按时重启;

但是进入内核后,我也不喂狗,怎么也不会重新启动,为了排除内核的影响,我把内核的看门狗驱动去掉了,启动到内核后cpu看门狗照样不会重新启动;

所以想问问看门狗喂狗操作还有哪些