[POWERPC] bootwrapper: Build multiple cuImages
Currently, the kernel uses CONFIG_DEVICE_TREE to wrap a kernel image with a fdt blob which means for any given configuration only one dts file can be selected and so support for only one board can be built This moves the selection of the default .dts file out of the kernel config and into the bootwrapper makefile. The makefile chooses which images to build based on the kernel config and the dts source file name is taken directly from the image name. For example "cuImage.ebony" will use "ebony.dts" as the device tree source file. In addition, this patch allows a specific image to be requested from the command line by adding "cuImage.%" and "treeImage.%" targets to the list of valid built targets in arch/powerpc/Makefile. This allows the default dts selection to be overridden. Another advantage to this change is it allows a single defconfig to be supplied for all boards using the same chip family and only differing in the device tree. Important note: This patch adds two new zImage targets; zImage.dtb.% and zImage.dtb.initrd.% for zImages with embedded dtb files. Currently there are 5 platforms which require this: ps3, ep405, mpc885ads, ep88xc, adder875-redboot and ep8248e. This patch *changes the zImage filenames* for those platforms. ie. 'zImage.ps3' is now 'zImage.dtb.ps3'. This new zImage.dtb targets were added so that the .dts file could be part of the dependancies list for building them. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Grant Likely
Paul Mackerras
parent
1daa6d08d1
commit
2543133381
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@ -438,25 +438,6 @@ config WANT_DEVICE_TREE
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bool
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default n
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config DEVICE_TREE
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string "Static device tree source file"
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depends on WANT_DEVICE_TREE
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help
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This specifies the device tree source (.dts) file to be
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compiled and included when building the bootwrapper. If a
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relative filename is given, then it will be relative to
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arch/powerpc/boot/dts. If you are not using the bootwrapper,
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or do not need to build a dts into the bootwrapper, this
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field is ignored.
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For example, this is required when building a cuImage target
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for an older U-Boot, which cannot pass a device tree itself.
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Such a kernel will not work with a newer U-Boot that tries to
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pass a device tree (unless you tell it not to). If your U-Boot
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does not mention a device tree in "help bootm", then use the
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cuImage target and specify a device tree here. Otherwise, use
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the uImage target and leave this field blank.
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endmenu
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config ISA_DMA_API
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@ -151,14 +151,11 @@ core-$(CONFIG_XMON) += arch/powerpc/xmon/
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drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/
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# Default to zImage, override when needed
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defaultimage-y := zImage
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defaultimage-$(CONFIG_DEFAULT_UIMAGE) := uImage
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KBUILD_IMAGE := $(defaultimage-y)
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all: $(KBUILD_IMAGE)
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all: zImage
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CPPFLAGS_vmlinux.lds := -Upowerpc
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BOOT_TARGETS = zImage zImage.initrd uImage
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BOOT_TARGETS = zImage zImage.initrd uImage treeImage.% cuImage.%
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PHONY += $(BOOT_TARGETS)
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@ -180,7 +177,7 @@ define archhelp
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endef
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install: vdso_install
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
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$(Q)$(MAKE) $(build)=$(boot) install
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vdso_install:
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ifeq ($(CONFIG_PPC64),y)
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@ -60,8 +60,9 @@ src-wlib := string.S crt0.S stdio.c main.c \
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src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c \
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cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
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ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
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cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
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fixed-head.S ep88xc.c cuboot-hpc2.c ep405.c cuboot-taishan.c \
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cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c \
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cuboot-bamboo.c cuboot-mpc7448hpc2.c cuboot-taishan.c \
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fixed-head.S ep88xc.c ep405.c \
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cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
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cuboot-warp.c cuboot-85xx-cpm2.c
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src-boot := $(src-wlib) $(src-plat) empty.c
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@ -123,6 +124,8 @@ targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a)
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extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \
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$(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds
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dtstree := $(srctree)/$(src)/dts
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wrapper :=$(srctree)/$(src)/wrapper
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wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree dtc) \
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$(wrapper) FORCE
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@ -181,7 +184,7 @@ quiet_cmd_wrap = WRAP $@
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image-$(CONFIG_PPC_PSERIES) += zImage.pseries
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image-$(CONFIG_PPC_MAPLE) += zImage.pseries
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image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries
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image-$(CONFIG_PPC_PS3) += zImage.ps3
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image-$(CONFIG_PPC_PS3) += zImage-dtb.ps3
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image-$(CONFIG_PPC_CELLEB) += zImage.pseries
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image-$(CONFIG_PPC_CHRP) += zImage.chrp
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image-$(CONFIG_PPC_EFIKA) += zImage.chrp
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@ -191,33 +194,69 @@ image-$(CONFIG_PPC_PRPMC2800) += zImage.prpmc2800
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image-$(CONFIG_PPC_ISERIES) += zImage.iseries
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image-$(CONFIG_DEFAULT_UIMAGE) += uImage
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ifneq ($(CONFIG_DEVICE_TREE),"")
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image-$(CONFIG_PPC_8xx) += cuImage.8xx
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image-$(CONFIG_PPC_EP88XC) += zImage.ep88xc
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image-$(CONFIG_EP405) += zImage.ep405
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image-$(CONFIG_8260) += cuImage.pq2
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image-$(CONFIG_EP8248E) += zImage.ep8248e
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image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx
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image-$(CONFIG_STORCENTER) += cuImage.824x
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image-$(CONFIG_PPC_83xx) += cuImage.83xx
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image-$(CONFIG_PPC_85xx) += cuImage.85xx
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ifeq ($(CONFIG_CPM2),y)
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image-$(CONFIG_PPC_85xx) += cuImage.85xx-cpm2
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endif
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image-$(CONFIG_MPC7448HPC2) += cuImage.hpc2
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#
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# Targets which embed a device tree blob
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#
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# Theses are default targets to build images which embed device tree blobs.
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# They are only required on boards which do not have FDT support in firmware.
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# Boards with newish u-boot firmare can use the uImage target above
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#
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# Board ports in arch/powerpc/platform/40x/Kconfig
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image-$(CONFIG_EP405) += zImage-dtb.ep405
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image-$(CONFIG_WALNUT) += treeImage.walnut
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# Board ports in arch/powerpc/platform/44x/Kconfig
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image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
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image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo
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image-$(CONFIG_SEQUOIA) += cuImage.sequoia
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image-$(CONFIG_RAINIER) += cuImage.rainier
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image-$(CONFIG_WALNUT) += treeImage.walnut
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image-$(CONFIG_TAISHAN) += cuImage.taishan
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image-$(CONFIG_KATMAI) += cuImage.katmai
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image-$(CONFIG_WARP) += cuImage.warp
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endif
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ifneq ($(CONFIG_REDBOOT),"")
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image-$(CONFIG_PPC_8xx) += zImage.redboot-8xx
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endif
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# Board ports in arch/powerpc/platform/8xx/Kconfig
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image-$(CONFIG_PPC_MPC86XADS) += cuImage.mpc866ads
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image-$(CONFIG_PPC_MPC885ADS) += cuImage.mpc885ads
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image-$(CONFIG_PPC_EP88XC) += zImage-dtb.ep88xc
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image-$(CONFIG_PPC_ADDER875) += cuImage.adder875-uboot \
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zImage-dtb.adder875-redboot
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# Board ports in arch/powerpc/platform/52xx/Kconfig
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image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200 cuImage.lite5200b
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# Board ports in arch/powerpc/platform/82xx/Kconfig
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image-$(CONFIG_MPC8272_ADS) += cuImage.mpc8272ads
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image-$(CONFIG_PQ2FADS) += cuImage.pq2fads
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image-$(CONFIG_EP8248E) += zImage-dtb.ep8248e
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# Board ports in arch/powerpc/platform/83xx/Kconfig
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image-$(CONFIG_MPC832x_MDS) += cuImage.mpc832x_mds
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image-$(CONFIG_MPC832x_RDB) += cuImage.mpc832x_rdb
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image-$(CONFIG_MPC834x_ITX) += cuImage.mpc8349emitx \
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cuImage.mpc8349emitxgp
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image-$(CONFIG_MPC834x_MDS) += cuImage.mpc834x_mds
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image-$(CONFIG_MPC836x_MDS) += cuImage.mpc836x_mds
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# Board ports in arch/powerpc/platform/85xx/Kconfig
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image-$(CONFIG_MPC8540_ADS) += cuImage.mpc8540ads
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image-$(CONFIG_MPC8560_ADS) += cuImage.mpc8560ads
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image-$(CONFIG_MPC85xx_CDS) += cuImage.mpc8541cds \
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cuImage.mpc8548cds \
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cuImage.mpc8555cds
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image-$(CONFIG_MPC85xx_MDS) += cuImage.mpc8568mds
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image-$(CONFIG_MPC85xx_DS) += cuImage.mpc8544ds \
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cuImage.mpc8572ds
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image-$(CONFIG_TQM8540) += cuImage.tqm8540
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image-$(CONFIG_TQM8541) += cuImage.tqm8541
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image-$(CONFIG_TQM8555) += cuImage.tqm8555
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image-$(CONFIG_TQM8560) += cuImage.tqm8560
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image-$(CONFIG_SBC8548) += cuImage.tqm8548
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image-$(CONFIG_SBC8560) += cuImage.tqm8560
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# Board ports in arch/powerpc/platform/embedded6xx/Kconfig
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image-$(CONFIG_STORCENTER) += cuImage.storcenter
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image-$(CONFIG_MPC7448HPC2) += cuImage.mpc7448hpc2
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# For 32-bit powermacs, build the COFF and miboot images
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# as well as the ELF images.
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@ -233,24 +272,20 @@ targets += $(image-y) $(initrd-y)
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$(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz
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# If CONFIG_WANT_DEVICE_TREE is set and CONFIG_DEVICE_TREE isn't an
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# empty string, define 'dts' to be path to the dts
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# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them
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ifeq ($(CONFIG_WANT_DEVICE_TREE),y)
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ifneq ($(CONFIG_DEVICE_TREE),"")
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dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\
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,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%)
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endif
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endif
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# Don't put the ramdisk on the pattern rule; when its missing make will try
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# the pattern rule with less dependencies that also matches (even with the
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# hard dependency listed).
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$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) $(dts)
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$(call if_changed,wrap,$*,$(dts),,$(obj)/ramdisk.image.gz)
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$(obj)/zImage.initrd.%: vmlinux $(wrapperbits)
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$(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz)
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$(obj)/zImage.%: vmlinux $(wrapperbits) $(dts)
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$(call if_changed,wrap,$*,$(dts))
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$(obj)/zImage.%: vmlinux $(wrapperbits)
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$(call if_changed,wrap,$*)
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$(obj)/zImage-dtb.initrd.%: vmlinux $(wrapperbits) $(dtstree)/%.dts
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$(call if_changed,wrap,$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz)
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$(obj)/zImage-dtb.%: vmlinux $(wrapperbits) $(dtstree)/%.dts
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$(call if_changed,wrap,$*,$(dtstree)/$*.dts)
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# This cannot be in the root of $(src) as the zImage rule always adds a $(obj)
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# prefix
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@ -260,24 +295,17 @@ $(obj)/vmlinux.strip: vmlinux
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$(obj)/zImage.iseries: vmlinux
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$(STRIP) -s -R .comment $< -o $@
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$(obj)/zImage.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts
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$(STRIP) -s -R .comment $< -o vmlinux.strip
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$(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,)
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$(obj)/zImage.initrd.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts $(obj)/ramdisk.image.gz
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$(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,$(obj)/ramdisk.image.gz)
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$(obj)/uImage: vmlinux $(wrapperbits)
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$(call if_changed,wrap,uboot)
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$(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits)
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$(call if_changed,wrap,cuboot-$*,$(dts))
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$(obj)/cuImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits)
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$(call if_changed,wrap,cuboot-$*,$(dtstree)/$*.dts)
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$(obj)/treeImage.initrd.%: vmlinux $(dts) $(wrapperbits)
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$(call if_changed,wrap,treeboot-$*,$(dts),,$(obj)/ramdisk.image.gz)
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$(obj)/treeImage.initrd.%: vmlinux $(dtstree)/%.dts $(wrapperbits)
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$(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz)
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$(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits)
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$(call if_changed,wrap,treeboot-$*,$(dts))
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$(obj)/treeImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits)
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$(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts)
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# If there isn't a platform selected then just strip the vmlinux.
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ifeq (,$(image-y))
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@ -158,6 +158,29 @@ miboot|uboot)
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cuboot*)
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binary=y
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gzip=
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case "$platform" in
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*-mpc885ads|*-adder875*|*-ep88xc)
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platformo=$object/cuboot-8xx.o
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;;
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*5200*|*-motionpro)
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platformo=$object/cuboot-52xx.o
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;;
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*-pq2fads|*-ep8248e|*-mpc8272*|*-storcenter)
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platformo=$object/cuboot-pq2.o
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;;
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*-mpc824*)
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platformo=$object/cuboot-824x.o
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;;
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*-mpc83*)
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platformo=$object/cuboot-83xx.o
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;;
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*-tqm8541|*-mpc8560*|*-tqm8560|*-tqm8555*)
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platformo=$object/cuboot-85xx-cpm2.o
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;;
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*-mpc85*)
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platformo=$object/cuboot-85xx.o
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;;
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esac
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;;
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ps3)
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platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o"
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