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Build: add generic way to include SCP_BL2 into FIP image

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If SCP_BL2 is passed in from the command line, it is recognized by
make_helpers/tbbr/tbbr_tools.mk, and the cert_create tool generates
the corresponding key and content certificates.

On the other hand, the top-level Makefile does not care SCP_BL2, so
the --scp-fw option is not passed to the fiptool.  As far as I see
plat/arm/css/common/css_common.mk, it looks like a platform's job to
add $(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw)).

We can make the top-level Makefile kind enough to take care of it.
This is useful when we want to have optional SCP_BL2 firmware.

Adjust css_common.mk so that Juno still requires SCP_BL2 by default.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2017-04-05 19:11:41 +09:00
parent ffe102ca6d
commit 4d045d0ebb
2 changed files with 10 additions and 1 deletions
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9
Makefile
View file

@ -341,6 +341,11 @@ ifdef BL2_SOURCES
endif
endif
# If SCP_BL2 is given, we always want FIP to include it.
ifdef SCP_BL2
NEED_SCP_BL2 := yes
endif
# Process TBB related flags
ifneq (${GENERATE_COT},0)
# Common cert_create options
@ -536,6 +541,10 @@ $(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},tb-fw)),\
$(eval $(call MAKE_BL,2,tb-fw)))
endif
ifeq (${NEED_SCP_BL2},yes)
$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
endif
ifeq (${NEED_BL31},yes)
BL31_SOURCES += ${SPD_SOURCES}
$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},soc-fw)),\

2
plat/arm/css/common/css_common.mk
View file

@ -64,7 +64,7 @@ $(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES))
$(eval $(call add_define,CSS_LOAD_SCP_IMAGES))
ifeq (${CSS_LOAD_SCP_IMAGES},1)
$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
NEED_SCP_BL2 := yes
ifneq (${TRUSTED_BOARD_BOOT},0)
$(eval $(call FWU_FIP_ADD_IMG,SCP_BL2U,--scp-fwu-cfg))
endif