mediatek/mt8173: Add a stub implementation of the MT8173 SoC

BUG=chrome-os-partner:36682
TEST=emerge-oak coreboot
BRANCH=none

Change-Id: I748752d5abca813a0469d3a76e4d40fcbeb9b959
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: ece2f412d94f071a6f5f1dbed4dfaea504da9e1a
Original-Change-Id: I1dd5567a10d20840313703cfcd328bec591b4941
Original-Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/292558
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/12587
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/soc/mediatek/mt8173/Makefile.inc b/src/soc/mediatek/mt8173/Makefile.inc
new file mode 100644
index 0000000..74a7618
--- /dev/null
+++ b/src/soc/mediatek/mt8173/Makefile.inc
@@ -0,0 +1,50 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2015 MediaTek Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+ifeq ($(CONFIG_SOC_MEDIATEK_MT8173),y)
+
+bootblock-y += bootblock.c
+bootblock-y += cbfs.c
+bootblock-y += timer.c
+
+ifeq ($(CONFIG_BOOTBLOCK_CONSOLE),y)
+bootblock-$(CONFIG_DRIVERS_UART) += uart.c
+endif
+
+################################################################################
+
+romstage-y += cbfs.c
+romstage-y += timer.c
+
+romstage-$(CONFIG_DRIVERS_UART) += uart.c
+romstage-y += cbmem.c
+
+################################################################################
+
+ramstage-y += cbmem.c
+ramstage-y += cbfs.c
+ramstage-y += soc.c
+ramstage-y += timer.c
+ramstage-$(CONFIG_DRIVERS_UART) += uart.c
+
+################################################################################
+
+CPPFLAGS_common += -Isrc/soc/mediatek/mt8173/include
+
+endif