95 lines
2.9 KiB
Diff
95 lines
2.9 KiB
Diff
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diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
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index 3c79f859..4e5c1d59 100644
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--- a/arch/arm/boot/.gitignore
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+++ b/arch/arm/boot/.gitignore
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@@ -3,3 +3,5 @@ zImage
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xipImage
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bootpImage
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uImage
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+*.dtb*
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+*.scr
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diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
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index 50d580d77..94bd15617 100644
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--- a/scripts/Makefile.dtbinst
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+++ b/scripts/Makefile.dtbinst
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@@ -18,9 +18,12 @@ include scripts/Kbuild.include
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include $(src)/Makefile
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dtbs := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
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+dtbos := $(addprefix $(dst)/, $(dtbo-y))
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+scrs := $(addprefix $(dst)/, $(scr-y))
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+readmes := $(addprefix $(dst)/, $(dtbotxt-y))
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subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m))
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-__dtbs_install: $(dtbs) $(subdirs)
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+__dtbs_install: $(dtbs) $(dtbos) $(scrs) $(readmes) $(subdirs)
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@:
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quiet_cmd_dtb_install = INSTALL $@
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@@ -29,6 +32,15 @@ quiet_cmd_dtb_install = INSTALL $@
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$(dst)/%.dtb: $(obj)/%.dtb
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$(call cmd,dtb_install)
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+$(dst)/%.dtbo: $(obj)/%.dtbo
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+ $(call cmd,dtb_install)
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+
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+$(dst)/%.scr: $(obj)/%.scr
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+ $(call cmd,dtb_install)
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+
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+$(dst)/README.rk322x-overlays: $(src)/README.rk322x-overlays
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+ $(call cmd,dtb_install)
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+
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PHONY += $(subdirs)
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$(subdirs):
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$(Q)$(MAKE) $(dtbinst)=$@ dst=$(patsubst $(obj)/%,$(dst)/%,$@)
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diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
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index 58c05e5d..2b95dda9 100644
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--- a/scripts/Makefile.lib
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+++ b/scripts/Makefile.lib
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@@ -278,6 +278,9 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \
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# ---------------------------------------------------------------------------
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DTC ?= $(objtree)/scripts/dtc/dtc
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+# Overlay support
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+DTC_FLAGS += -@ -Wno-unit_address_format -Wno-simple_bus_reg
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+
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# Disable noisy checks by default
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ifeq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
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DTC_FLAGS += -Wno-unit_address_vs_reg \
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@@ -324,6 +327,23 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
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$(obj)/%.dtb: $(src)/%.dts FORCE
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$(call if_changed_dep,dtc)
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+quiet_cmd_dtco = DTCO $@
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+cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \
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+ $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
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+ $(DTC) -O dtb -o $@ -b 0 \
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+ -i $(dir $<) $(DTC_FLAGS) \
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+ -d $(depfile).dtc.tmp $(dtc-tmp) ; \
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+ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
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+
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+$(obj)/%.dtbo: $(src)/%.dts FORCE
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+ $(call if_changed_dep,dtco)
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+
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+quiet_cmd_scr = MKIMAGE $@
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+cmd_scr = mkimage -C none -A $(ARCH) -T script -d $< $@
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+
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+$(obj)/%.scr: $(src)/%.scr-cmd FORCE
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+ $(call if_changed,scr)
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+
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dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
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# Bzip2
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diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
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index e8dd99201..1e45adf97 100644
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -977,6 +984,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += \
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rk3288-veyron-speedy.dtb \
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rk3288-veyron-tiger.dtb \
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rk3288-vyasa.dtb
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+subdir-y := overlay
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dtb-$(CONFIG_ARCH_S3C24XX) += \
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s3c2416-smdk2416.dtb
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dtb-$(CONFIG_ARCH_S3C64XX) += \
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