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2 commits

Author SHA1 Message Date
Bin Meng
19268834fb x86: Set serial port IRQ for SMSC LPC47M 
For starting a Linux console on the superio serial port under
interrupt mode, the IRQ number must be configured.

Signed-off-by: Jian Luo <jian.luo4@boschrexroth.de>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
 2015-04-29 18:51:48 -06:00
Bin Meng
a2927e09bc 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>
 2014-12-13 22:32:05 -07:00