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我换了用三星K9K8G08的1G BYTE nand flash 替代了原先的 k9f1208 nand flash 。现在我可以用NFS挂载启动,并且在uboot 可以正常擦写参数。但是当我把nand flash 挂载到文件系统上的时候并不能正常读写. 我估计是我在内核里面nandflash 的时序设置不对 但是我折腾了几天 还是不明白struct davinci_aemif_timing da850_evm_nandflash_timing 这个结构里面的参数怎么设置 我查了8G08的datasheet 关于时序的有
这跟我要设置的
.
.wsetup = 24,
.wstrobe = 21,
.whold = 14,
.rsetup = 19,
.rstrobe = 50,
.rhold = 0,
.ta = 20,
这 几个参数有什么关系?
thank you