mb/google/volteer: add volteer mainboard initial support

Created a new Google baseboard named volteer from scratch.

BUG=b:142961277
BRANCH=master
TEST="emerge-volteer coreboot" compiles successfully.

Change-Id: I03a13f3df4e819ab9cf63ad69867c807d2a1b651
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38620
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/mainboard/google/volteer/Makefile.inc b/src/mainboard/google/volteer/Makefile.inc
new file mode 100644
index 000000000000..6b5c065e1ebf
--- /dev/null
+++ b/src/mainboard/google/volteer/Makefile.inc
@@ -0,0 +1,28 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2020 The coreboot project Authors.
+##
+## SPDX-License-Identifier: GPL-2.0-or-later
+##
+
+bootblock-y += bootblock.c
+
+romstage-$(CONFIG_CHROMEOS) += chromeos.c
+
+ramstage-$(CONFIG_CHROMEOS) += chromeos.c
+ramstage-y += ec.c
+ramstage-y += mainboard.c
+
+smm-y += smihandler.c
+
+verstage-$(CONFIG_CHROMEOS) += chromeos.c
+
+subdirs-y += variants/baseboard
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include
+
+VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
+subdirs-y += variants/$(VARIANT_DIR)
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
+
+subdirs-y += spd