commit a44090080308beefe64d302bcc76de70f0d1d280
author dp-arm <dimitris.papastamos@arm.com> Wed Feb 15 11:07:55 2017 +0000
committer dp-arm <dimitris.papastamos@arm.com> Mon May 15 16:34:27 2017 +0100
tree 0edd9b32b2e24f34b9d72d25cf29a80e6a95d175
parent b6285d64c12ae653c39ecdc3a4c47369aca9d7b0

AArch32: Add `TRUSTED_BOARD_BOOT` support

This patch adds `TRUSTED_BOARD_BOOT` support for AArch32 mode.

To build this patch the "mbedtls/include/mbedtls/bignum.h"
needs to be modified to remove `#define MBEDTLS_HAVE_UDBL`
when `MBEDTLS_HAVE_INT32` is defined. This is a workaround
for "https://github.com/ARMmbed/mbedtls/issues/708"

NOTE: TBBR support on Juno AArch32 is not currently supported.

Change-Id: I86d80e30b9139adc4d9663f112801ece42deafcf
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
Co-Authored-By: Yatharth Kochar <yatharth.kochar@arm.com>

make_helpers/tbbr/tbbr_tools.mk

diff --git a/make_helpers/tbbr/tbbr_tools.mk b/make_helpers/tbbr/tbbr_tools.mk
index 4912c90..610ccb8 100644
--- a/make_helpers/tbbr/tbbr_tools.mk
+++ b/make_helpers/tbbr/tbbr_tools.mk
@@ -75,6 +75,7 @@
     $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/scp_fw_key.crt,--scp-fw-key-cert))
 endif
 
+ifeq (${ARCH},aarch64)
 # Add the BL31 CoT (key cert + img cert + image)
 $(if ${BL31},$(eval $(call CERT_ADD_CMD_OPT,${BL31},--soc-fw,true)),\
              $(eval $(call CERT_ADD_CMD_OPT,$(call IMG_BIN,31),--soc-fw,true)))
@@ -83,6 +84,7 @@
 $(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/soc_fw_key.crt,--soc-fw-key-cert))
 $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/soc_fw_content.crt,--soc-fw-cert))
 $(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/soc_fw_key.crt,--soc-fw-key-cert))
+endif
 
 # Add the BL32 CoT (key cert + img cert + image)
 ifeq (${NEED_BL32},yes)