diff --git a/Makefile b/Makefile index 3fd6d156c2b51b498aca3b8622b3bcd843b12a04..f8ecfd7130748e33e17c80adc5400d2f4236d9aa 100644 --- a/Makefile +++ b/Makefile @@ -554,6 +554,18 @@ endif $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ +# PPC4xx needs the SPL at the end of the image, since the reset vector +# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target +# and need to introduce a new build target with the full blown U-Boot +# at the start padded up to the start of the SPL image. And then concat +# the SPL image to the end. +$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img + tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ + of=$(obj)u-boot-pad.img 2>/dev/null + dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ + conv=notrunc 2>/dev/null + cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ + ifeq ($(CONFIG_SANDBOX),y) GEN_UBOOT = \ cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ diff --git a/config.mk b/config.mk index 1fd109f1bdfe1d8f7b2d9e34030b9e09fae259d8..89a89f20819673b701d6e504cb43b26f8fda49fa 100644 --- a/config.mk +++ b/config.mk @@ -222,6 +222,10 @@ ifneq ($(CONFIG_SPL_PAD_TO),) CPPFLAGS += -DCONFIG_SPL_PAD_TO=$(CONFIG_SPL_PAD_TO) endif +ifneq ($(CONFIG_UBOOT_PAD_TO),) +CPPFLAGS += -DCONFIG_UBOOT_PAD_TO=$(CONFIG_UBOOT_PAD_TO) +endif + ifeq ($(CONFIG_SPL_BUILD),y) CPPFLAGS += -DCONFIG_SPL_BUILD endif