SMC_CONFIG is needed before the device tree is ready and some people
would rather not have mainboard settings like sio_gp1x_config in the
device tree anyway.  So found a nice united home for both in Kconfig,
where users can change them without having to mess around in the C code.

Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5760 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/lippert/roadrunner-lx/Kconfig b/src/mainboard/lippert/roadrunner-lx/Kconfig
index db49222..fa140ac 100644
--- a/src/mainboard/lippert/roadrunner-lx/Kconfig
+++ b/src/mainboard/lippert/roadrunner-lx/Kconfig
@@ -11,6 +11,8 @@
 	select PIRQ_ROUTE
 	select UDELAY_TSC
 	select CACHE_AS_RAM
+	# Standard chip is a 512 KB FWH. Replacing it with a 1 MB
+	# SST 49LF008A is possible.
 	select BOARD_ROMSIZE_KB_512
 
 config MAINBOARD_DIR
@@ -29,4 +31,11 @@
 	hex
 	default 0x4000
 
+config ONBOARD_UARTS_RS485
+	bool "Switch on-board serial ports to RS485"
+	default n
+	help
+	  If selected, both on-board serial ports will operate in RS485 mode
+	  instead of RS232.
+
 endif # BOARD_LIPPERT_ROADRUNNER_LX