[U-Boot-Users] how to make u-boot 1.1.4 suport nand flash K9F1216U0A

I have taken a u-boot code from u-boot 1.1.4,but I don't know how to make u-boot 1.1.4 suport nand flash K9F1216U0A(bus_width 16 bits,page_size 512 bytes),help me!

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