build/patch/kernel/archive/rk3399-4.4/general-add-overlay-compilation-support.patch

93 lines
2.8 KiB
Diff

diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index 3c79f859..4e5c1d59 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -3,5 +3,6 @@ zImage
xipImage
bootpImage
uImage
-*.dtb
-zImage-dtb
\ No newline at end of file
+*.dtb*
+*.scr
+zImage-dtb
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 50d580d77..94bd15617 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -28,8 +28,11 @@ ifeq ("$(dtbinst-root)", "$(obj)")
$(Q)mkdir -p $(INSTALL_DTBS_PATH)
endif
-dtbinst-files := $(dtb-y)
-dtbinst-dirs := $(dts-dirs)
+dtbinst-files := $(sort $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS), $(dtb-)))
+dtboinst-files := $(dtbo-y)
+script-files := $(scr-y)
+readme-files := $(dtbotxt-y)
+dtbinst-dirs := $(subdir-y) $(subdir-m)
# Helper targets for Installing DTBs into the boot directory
quiet_cmd_dtb_install = INSTALL $<
@@ -42,10 +45,19 @@ $(dtbinst-files) $(dtbinst-dirs): | __dtbs_install_prep
$(dtbinst-files): %.dtb: $(obj)/%.dtb
$(call cmd,dtb_install,$(install-dir))
+$(dtboinst-files): %.dtbo: $(obj)/%.dtbo
+ $(call cmd,dtb_install,$(install-dir))
+
+$(script-files): %.scr: $(obj)/%.scr
+ $(call cmd,dtb_install,$(install-dir))
+
+$(readme-files): %: $(src)/%
+ $(call cmd,dtb_install,$(install-dir))
+
$(dtbinst-dirs):
$(Q)$(MAKE) $(dtbinst)=$(obj)/$@
-PHONY += $(dtbinst-files) $(dtbinst-dirs)
-__dtbs_install: $(dtbinst-files) $(dtbinst-dirs)
+PHONY += $(dtbinst-files) $(dtboinst-files) $(script-files) $(readme-files) $(dtbinst-dirs)
+__dtbs_install: $(dtbinst-files) $(dtboinst-files) $(script-files) $(readme-files) $(dtbinst-dirs)
.PHONY: $(PHONY)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 58c05e5d..2b95dda9 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -278,6 +278,9 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \
# ---------------------------------------------------------------------------
DTC ?= $(objtree)/scripts/dtc/dtc
+# Overlay support
+DTC_FLAGS += -@ -Wno-unit_address_format -Wno-simple_bus_reg
+
# Disable noisy checks by default
ifeq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
DTC_FLAGS += -Wno-unit_address_vs_reg \
@@ -324,6 +327,23 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
$(obj)/%.dtb: $(src)/%.dts FORCE
$(call if_changed_dep,dtc)
+quiet_cmd_dtco = DTCO $@
+cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \
+ $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+ $(DTC) -O dtb -o $@ -b 0 \
+ -i $(dir $<) $(DTC_FLAGS) \
+ -d $(depfile).dtc.tmp $(dtc-tmp) ; \
+ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
+
+$(obj)/%.dtbo: $(src)/%.dts FORCE
+ $(call if_changed_dep,dtco)
+
+quiet_cmd_scr = MKIMAGE $@
+cmd_scr = mkimage -C none -A $(ARCH) -T script -d $< $@
+
+$(obj)/%.scr: $(src)/%.scr-cmd FORCE
+ $(call if_changed,scr)
+
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
# Bzip2