tegra: bootcmd: start USB only when needed

[karo-tx-uboot.git] / Makefile

diff --git a/Makefile b/Makefile
index 0197239c8d2a927768c083e076b3bec7787ea55c..85e36ecff59947492e793c68aca9048e2ae418f9 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -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