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AM335x GPMC偏移地址问题



大家好,我现在用AM335x的GPMC连接外部SRAM,在读写的时候相邻两个数据之间需要地址+2,也就是只有偶数地址或是奇数地址的数据读写正常,

请问这个是linux内存映射的机制吗?