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-rw-r--r--src/mainboard/lippert/roadrunner-lx/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mainboard/lippert/roadrunner-lx/Kconfig b/src/mainboard/lippert/roadrunner-lx/Kconfig
index db492220da..fa140acfce 100644
--- a/src/mainboard/lippert/roadrunner-lx/Kconfig
+++ b/src/mainboard/lippert/roadrunner-lx/Kconfig
@@ -11,6 +11,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy
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 @@ config RAMBASE
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