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x86: Allow an option ROM to be built into U-Boot

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Some x86 machines require a binary blob containing 16-bit initialisation
code for their video hardware. Allow this to be built into the x86 ROM so
that it is accessible during boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-11-14 20:56:35 -07:00
parent 998110241b
commit d040ac0a89
1 changed files with 3 additions and 0 deletions
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3
Makefile
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@ -980,6 +980,9 @@ u-boot.rom: u-boot-x86-16bit.bin u-boot-dtb.bin \
$(objtree)/tools/ifdtool -w \
$(CONFIG_SYS_X86_START16):$(objtree)/u-boot-x86-16bit.bin \
u-boot.tmp
$(objtree)/tools/ifdtool -w \
$(CONFIG_X86_OPTION_ROM_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_X86_OPTION_ROM_FILENAME) \
u-boot.tmp
mv u-boot.tmp $@
OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec