src/mainboard/supermicro/x9scl/Makefile.inc - mirrors/cros/chromiumos/third_party/coreboot - Git at Google

 bootblock-y += early_init.c
 bootblock-y += gpio.c
 romstage-y += early_init.c
 romstage-y += gpio.c
	bootblock-y += early_init.c
	bootblock-y += gpio.c
	romstage-y += early_init.c
	romstage-y += gpio.c