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AM5728利用IPU访问gpmc

Other Parts Discussed in Thread: AM5728

基于linux-4.4.19,想利用AM5728的IPU1核访问gpmc接口,我将设备树文件中gpmc基址配置成0x01000000

代码片段为:

ranges = <0 0 0x01000000 0x01000000>;  /* CSn0 0, addr 0x01000000, size 0x1000000 */

,但IPU1好像访问不了这个地址,请问在设备树中gpmc的基址应该配置为多少才能让IPU1进行访问?