diff options
| -rw-r--r-- | Makefile | 17 | ||||
| -rw-r--r-- | config.mk | 4 |
2 files changed, 21 insertions, 0 deletions
@@ -456,6 +456,22 @@ $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin elftosb -zdf imx28 -c $(TOPDIR)/board/$(BOARDDIR)/u-boot.bd \ -o $(obj)u-boot.sb +# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. +# Both images are created using mkimage (crc etc), so that the ROM +# bootloader can check its integrity. Padding needs to be done to the +# SPL image (with mkimage header) and not the binary. Otherwise the resulting image +# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. +# The resulting image containing both U-Boot images is called u-boot.spr +$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin + $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ + -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ + -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img + tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ + of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null + dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ + conv=notrunc 2>/dev/null + cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ + ifeq ($(CONFIG_SANDBOX),y) GEN_UBOOT = \ cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ @@ -775,6 +791,7 @@ clobber: tidy @rm -f $(obj)u-boot.ais @rm -f $(obj)u-boot.dtb @rm -f $(obj)u-boot.sb + @rm -f $(obj)u-boot.spr @rm -f $(obj)tools/inca-swap-bytes @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c @@ -205,6 +205,10 @@ ifneq ($(CONFIG_SPL_TEXT_BASE),) CPPFLAGS += -DCONFIG_SPL_TEXT_BASE=$(CONFIG_SPL_TEXT_BASE) endif +ifneq ($(CONFIG_SPL_PAD_TO),) +CPPFLAGS += -DCONFIG_SPL_PAD_TO=$(CONFIG_SPL_PAD_TO) +endif + ifeq ($(CONFIG_SPL_BUILD),y) CPPFLAGS += -DCONFIG_SPL_BUILD endif |