feat(mediatek): support coreboot BL31 loading
The ChromeOS project uses Coreboot as BL2 instead of MediaTek regular
bootloader, so we use COREBOOT flag to support Coreboot boot flow.
Change-Id: I45e95ea51e90158187452eba52fc58090d1c60a4
diff --git a/plat/mediatek/build_helpers/mtk_build_helpers.mk b/plat/mediatek/build_helpers/mtk_build_helpers.mk
index a5a4c3e..fc3876e 100644
--- a/plat/mediatek/build_helpers/mtk_build_helpers.mk
+++ b/plat/mediatek/build_helpers/mtk_build_helpers.mk
@@ -116,9 +116,13 @@
# Include MTK configuration files
# MTK makefile variables
+ifeq (${COREBOOT},1)
+MTK_COMMON_CFG := $(MTK_PLAT)/common/coreboot_config.mk
+else
+MTK_COMMON_CFG := $(MTK_PLAT)/common/common_config.mk
+endif
MTK_PLAT := plat/mediatek
MTK_PLAT_SOC := ${MTK_PLAT}/${MTK_SOC}
-MTK_COMMON_CFG := $(MTK_PLAT)/common/common_config.mk
MTK_PLAT_CFG := $(MTK_PLAT_SOC)/plat_config.mk
MTK_PROJECT_CFG := $(MTK_PLAT)/project/$(PLAT)/project_config.mk
MTK_OPTIONS := $(MTK_PLAT)/build_helpers/options.mk