unicore32 core architecture: interrupts ang gpio handling
authorGuanXuetao <gxt@mprc.pku.edu.cn>
Sat, 15 Jan 2011 10:19:35 +0000 (18:19 +0800)
committerGuanXuetao <gxt@mprc.pku.edu.cn>
Thu, 17 Mar 2011 01:19:10 +0000 (09:19 +0800)
This patch implements interrupts and gpio handling.
UniCore32 has 9 gpio interrupt sources.
And gpio device operations are also here.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>

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