x86: Allow an option ROM to be built into U-Boot
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>
diff --git a/Makefile b/Makefile
index 79cb45c..b4ed775 100644
--- a/Makefile
+++ b/Makefile
@@ -980,6 +980,9 @@
$(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