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tegra124: Add some make rules which will wrap the bootblock in the BCT.

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These rules slip into the normal bootblock preperation process and use the
cbootimage utility to wrap it in a BCT.

Change-Id: I8cf2a3fb6e9f1d792d536c533d4813acfb550cea
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/170924
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit cf4a9b0712c21b885bb59310671fb87e38abb665)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6618
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Gabe Black
2013-09-27 03:06:34 -07:00
committed by Isaac Christensen
parent 06667a5247
commit 7980b08405
1 changed files with 31 additions and 0 deletions
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31
src/soc/nvidia/tegra124/Makefile.inc
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@@ -1,3 +1,5 @@
CBOOTIMAGE = cbootimage
bootblock-y += cbfs.c bootblock-y += cbfs.c
romstage-y += cbfs.c romstage-y += cbfs.c
@@ -7,3 +9,32 @@ romstage-y += timer.c
ramstage-y += cbfs.c ramstage-y += cbfs.c
ramstage-y += monotonic_timer.c ramstage-y += monotonic_timer.c
ramstage-y += timer.c ramstage-y += timer.c
# We want to grab the bootblock right before it goes into the image and wrap
# it inside a BCT, but ideally we would do that without making special, one
# use modifications to the main ARM Makefile. We do this in two ways. First,
# we copy bootblock.elf to bootblock.raw.elf and allow the %.bin: %.elf
# template rule to turn it into bootblock.raw.bin. This makes sure whatever
# processing is supposed to happen to turn an .elf into a .bin happens.
#
# Second, we add our own rule for creating bootblock.bin from
# bootblock.raw.bin which displaces the template rule. When other rules that
# package up the image pull in bootblock.bin, it will be this wrapped version
# instead of the raw bootblock.
$(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
cp $< $@
$(obj)/generated/bct.bin: $(obj)/generated/bct.cfg
@printf " CBOOTIMAGE $(subst $(obj)/,,$(@))\n"
$(CBOOTIMAGE) -gbct --soc tegra124 $< $@
BCT_BIN = $(obj)/generated/bct.bin
BCT_WRAPPER = $(obj)/generated/bct.wrapper
$(objcbfs)/bootblock.bin: $(objcbfs)/bootblock.raw.bin $(BCT_BIN)
echo "Version = 1;" > $(BCT_WRAPPER)
echo "Redundancy = 1;" >> $(BCT_WRAPPER)
echo "Bctfile = $(BCT_BIN);" >> $(BCT_WRAPPER)
echo "BootLoader = $<,$(CONFIG_BOOTBLOCK_BASE),$(CONFIG_BOOTBLOCK_BASE),Complete;" >> $(BCT_WRAPPER)
@printf " CBOOTIMAGE $(subst $(obj)/,,$(@))\n"
$(CBOOTIMAGE) $(BCT_WRAPPER) $@