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Diffstat (limited to 'arch/powerpc/Makefile')
-rw-r--r--arch/powerpc/Makefile23
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index b7d4c4ce2fe6..9155c9312c1e 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -18,22 +18,16 @@ HAS_BIARCH := $(call cc-option-yn, -m32)
CROSS32_COMPILE ?=
CROSS32CC := $(CROSS32_COMPILE)gcc
-CROSS32AS := $(CROSS32_COMPILE)as
-CROSS32LD := $(CROSS32_COMPILE)ld
CROSS32AR := $(CROSS32_COMPILE)ar
-CROSS32OBJCOPY := $(CROSS32_COMPILE)objcopy
ifeq ($(HAS_BIARCH),y)
ifeq ($(CROSS32_COMPILE),)
CROSS32CC := $(CC) -m32
-CROSS32AS := $(AS) -a32
-CROSS32LD := $(LD) -m elf32ppc
-CROSS32OBJCOPY := $(OBJCOPY)
CROSS32AR := GNUTARGET=elf32-powerpc $(AR)
endif
endif
-export CROSS32CC CROSS32AS CROSS32LD CROSS32AR CROSS32OBJCOPY
+export CROSS32CC CROSS32AR
ifeq ($(CROSS_COMPILE),)
KBUILD_DEFCONFIG := $(shell uname -m)_defconfig
@@ -169,12 +163,25 @@ bootwrapper_install %.dtb:
$(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
define archhelp
- @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
+ @echo '* zImage - Build default images selected by kernel config'
+ @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
+ @echo ' uImage - U-Boot native image format'
+ @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older'
+ @echo ' versions which do not support device trees'
+ @echo ' dtbImage.<dt> - zImage with an embedded device tree blob'
+ @echo ' simpleImage.<dt> - Firmware independent image.'
+ @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)'
@echo ' install - Install kernel using'
@echo ' (your) ~/bin/installkernel or'
@echo ' (distribution) /sbin/installkernel or'
@echo ' install to $$(INSTALL_PATH) and run lilo'
@echo ' *_defconfig - Select default config from arch/$(ARCH)/configs'
+ @echo ''
+ @echo ' Targets with <dt> embed a device tree blob inside the image'
+ @echo ' These targets support board with firmware that does not'
+ @echo ' support passing a device tree directly. Replace <dt> with the'
+ @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory'
+ @echo ' (minus the .dts extension).'
endef
install: