tree 0852399092f7a8184f74e8fc25f06154127a72ed
parent 568868dda9b8f8e901962231713fc0cb3f42c410
author Bin Meng <bmeng.cn@gmail.com> 1418389525 +0800
committer Simon Glass <sjg@chromium.org> 1418535125 -0700

x86: Add a simple superio driver for SMSC LPC47M

On most x86 boards, the legacy serial ports (io address 0x3f8/0x2f8)
are provided by a superio chip connected to the LPC bus. We must
program the superio chip so that serial ports are available for us.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>