x86: Allow building an SPL image for coreboot
Coreboot runs in 32-bit mode and cannot run a 64-bit U-Boot. To get around
this we can build a combined image with 32-bit SPL and 64-bit U-Boot. Add
a build rule and binman definition for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/Makefile b/Makefile
index 6bb9cf5..cc99873 100644
--- a/Makefile
+++ b/Makefile
@@ -926,6 +926,9 @@
ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),)
ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
endif
+ifeq ($(CONFIG_SYS_COREBOOT)$(CONFIG_SPL),yy)
+ALL-$(CONFIG_BINMAN) += u-boot-x86-with-spl.bin
+endif
# Build a combined spl + u-boot image for sunxi
ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy)
@@ -1626,6 +1629,9 @@
endif
endif
+u-boot-x86-with-spl.bin: spl/u-boot-spl.bin u-boot.bin FORCE
+ $(call if_changed,binman)
+
ifneq ($(CONFIG_TEGRA),)
ifneq ($(CONFIG_BINMAN),)
# Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin