AM335X外接nand flash,BCH 8bit error correction可以使用,在8bit 的基
础上修改实现BCH 4bit,针对BCH engine我这做了如下修改:
1、ECCBCHTSEL 由1h 改成0h,即8bit error correction改为4bit error correction;
2、BCH ECC result 由原来的13byte (104bits)改成 7byte(52bits);
还需要改其他哪里?
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建议参考starterare nand的配置流程过一遍,把ECC配置相关的设置都检查一下