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AM3352使用NOR flash启动,如何配置,编译NOR启动的uboot?

make CROSS_COMPILE=arm-linux-gnueabihf- O=am335x_evm am335x_evm_nor_defconfig

make CROSS_COMPILE=arm-linux-gnueabihf- O=am335x_evm

使用上面的命令,发现编译的时候CONFIG_NOR_BOOT\CONFIG_NOR没有定义 ,将编译出的u-boot.bin烧入nor flash,单步跟踪一直在0x08000010->0x08000180->0x08000184三个地址反复跳转,没有往下走。

应该是编译走了NAND分支,怎么样配置才能使用NOR启动呢?咨询了ti技术支持,说他们没有做过nor的方案部清楚,有谁知道怎么配置uboot吗?