vendorcode/eltan/security/mboot: Add measured boot support

Create measured boot.
This feature uses the vendorcode/eltan/security/lib.
Measure boot can work with and without Verified boot enabled.

The function mb_measure() is starting point for the support. This
function will be called by the common Verified boot code.

BUG=N/A
TEST=Created binary and verify logging on Facebook FBG-1701

Change-Id: I7f880a17e240515dd42d57383b5ddddf576985b0
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30833
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/vendorcode/eltan/security/mboot/Makefile.inc b/src/vendorcode/eltan/security/mboot/Makefile.inc
new file mode 100644
index 0000000000..68b38586b1
--- /dev/null
+++ b/src/vendorcode/eltan/security/mboot/Makefile.inc
@@ -0,0 +1,29 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2018-2019 Eltan B.V.
+##
+## 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.
+##
+
+ifneq ($(filter y,$(CONFIG_VENDORCODE_ELTAN_VBOOT) $(CONFIG_VENDORCODE_ELTAN_MBOOT)),)
+CPPFLAGS_common += -I$(src)/security/mboot
+endif
+
+ifeq ($(CONFIG_VENDORCODE_ELTAN_MBOOT),y)
+postcar-y += mboot.c
+
+ramstage-y += mboot.c
+ramstage-y += mboot_func.c
+
+romstage-y += mboot.c
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)
+
+endif # CONFIG_VENDORCODE_ELTAN_VBOOT or CONFIG_VENDORCODE_ELTAN_MBOOT