src/mainboard/google/rex/variants/rex0/Makefile.inc - chromiumos/third_party/coreboot - Git at Google

 bootblock-y += gpio.c
 romstage-y += gpio.c
 ramstage-y += gpio.c
 ramstage-y += variant.c
 ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
	bootblock-y += gpio.c
	romstage-y += gpio.c
	ramstage-y += gpio.c
	ramstage-y += variant.c
	ramstage-$(CONFIG_FW_CONFIG) += fw_config.c