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-rw-r--r--arch/powerpc/Makefile15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 59ae7d9cdcc..9155c9312c1 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -163,12 +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: