[U-Boot] readl / writel function questions

TigerLiu at viatech.com.cn TigerLiu at viatech.com.cn
Fri May 31 05:33:52 CEST 2013


Hi, experts:
I wrote a driver for uboot.
This driver called writel/readl function.
I have included "include/asm/io.h".

But when i compiled , it output below error msgs:
undefined reference to `__readwrite_bug'

Best wishes,


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