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Makefile: Add target for building bootable SPL image for SoCFPGA

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Add build target for generating boot partition images recognised by
the SoCFPGA BootROM. The SoCFPGA BootROM expects four copies of the
u-boot-spl-dtb.sfp at the beginning of boot partition. Those are
u-boot-spl-dtb.bin augmented by a header with which the BootROM can
work. The u-boot-dtb.img uImage is appended to this to produce a
full boot partition image, the u-boot-with-spl-dtb.sfp . This is
the name of the final target.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut
2015-07-15 02:53:45 +02:00
parent 55b4312b90
commit 333b7209ed
2 changed files with 22 additions and 0 deletions
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12
Makefile
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@ -1020,6 +1020,15 @@ u-boot-nand.gph: u-boot.bin FORCE
$(call if_changed,mkimage)
@dd if=/dev/zero bs=8 count=1 2>/dev/null >> $@
ifneq ($(CONFIG_ARCH_SOCFPGA),)
quiet_cmd_socboot = SOCBOOT $@
cmd_socboot = cat spl/u-boot-spl-dtb.sfp spl/u-boot-spl-dtb.sfp \
spl/u-boot-spl-dtb.sfp spl/u-boot-spl-dtb.sfp \
u-boot-dtb.img > $@ || rm -f $@
u-boot-with-spl-dtb.sfp: spl/u-boot-spl-dtb.sfp u-boot-dtb.img FORCE
$(call if_changed,socboot)
endif
# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including
# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in
# the middle.
@ -1298,6 +1307,9 @@ spl/u-boot-spl: tools prepare $(if $(CONFIG_OF_SEPARATE),dts/dt.dtb)
spl/sunxi-spl.bin: spl/u-boot-spl
@:
spl/u-boot-spl-dtb.sfp: spl/u-boot-spl
@:
tpl/u-boot-tpl.bin: tools prepare
$(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all