misc: Add simple driver to enable the legacy UART on Winbond Super IO chips
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: Stefan Roese <sr@denx.de>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index cba2363..af8667f 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -130,4 +130,12 @@
effect a reset. The uclass will try all available drivers when
reset_walk() is called.
+config WINBOND_W83627
+ bool "Enable Winbond Super I/O driver"
+ help
+ If you say Y here, you will get support for the Winbond
+ W83627 Super I/O driver. This can be used to enable the
+ legacy UART or other devices in the Winbond Super IO chips
+ on X86 platforms.
+
endmenu