在烧写完内核后保存内核引导参数时写进flash里了,但重新上电后printenv却没有,并且在U-boot-env分配的地址起始处显示为坏块,更新U-boot-env地址后再写内核引导参数还是之前的问题。。。。不知道哪里出问题了。。nand flash用的是三星K9GAG08u0M page 大小是4K,block大小是512K
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