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-rw-r--r--scripts/Makefile.lib35
1 files changed, 30 insertions, 5 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 3aa384cec76b..5f8e6a97bdf7 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -334,7 +334,8 @@ quiet_cmd_gzip = GZIP $@
# DTC
# ---------------------------------------------------------------------------
DTC ?= $(objtree)/scripts/dtc/dtc
-DTC_FLAGS += -Wno-interrupt_provider
+DTC_FLAGS += -Wno-interrupt_provider \
+ -Wno-unique_unit_address
# Disable noisy checks by default
ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),)
@@ -342,14 +343,17 @@ DTC_FLAGS += -Wno-unit_address_vs_reg \
-Wno-avoid_unnecessary_addr_size \
-Wno-alias_paths \
-Wno-graph_child_address \
- -Wno-simple_bus_reg \
- -Wno-unique_unit_address
+ -Wno-simple_bus_reg
+else
+DTC_FLAGS += \
+ -Wunique_unit_address_if_enabled
endif
ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),)
DTC_FLAGS += -Wnode_name_chars_strict \
-Wproperty_name_chars_strict \
- -Winterrupt_provider
+ -Winterrupt_provider \
+ -Wunique_unit_address
endif
DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
@@ -358,7 +362,7 @@ DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@)
# Generate an assembly file to wrap the output of the device tree compiler
-quiet_cmd_dt_S_dtb= DTB $@
+quiet_cmd_dt_S_dtb= DTBS $@
cmd_dt_S_dtb= \
{ \
echo '\#include <asm-generic/vmlinux.lds.h>'; \
@@ -375,6 +379,24 @@ cmd_dt_S_dtb= \
$(obj)/%.dtb.S: $(obj)/%.dtb FORCE
$(call if_changed,dt_S_dtb)
+# Generate an assembly file to wrap the output of the device tree compiler
+quiet_cmd_dt_S_dtbo= DTBOS $@
+cmd_dt_S_dtbo= \
+{ \
+ echo '\#include <asm-generic/vmlinux.lds.h>'; \
+ echo '.section .dtb.init.rodata,"a"'; \
+ echo '.balign STRUCT_ALIGNMENT'; \
+ echo '.global __dtbo_$(subst -,_,$(*F))_begin'; \
+ echo '__dtbo_$(subst -,_,$(*F))_begin:'; \
+ echo '.incbin "$<" '; \
+ echo '__dtbo_$(subst -,_,$(*F))_end:'; \
+ echo '.global __dtbo_$(subst -,_,$(*F))_end'; \
+ echo '.balign STRUCT_ALIGNMENT'; \
+} > $@
+
+$(obj)/%.dtbo.S: $(obj)/%.dtbo FORCE
+ $(call if_changed,dt_S_dtbo)
+
quiet_cmd_dtc = DTC $@
cmd_dtc = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
$(DTC) -o $@ -b 0 \
@@ -408,6 +430,9 @@ $(obj)/%.dtb: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
$(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE
$(call if_changed_dep,dtc)
+$(obj)/%.dtbo: $(src)/%.dtso $(DTC) FORCE
+ $(call if_changed_dep,dtc)
+
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
# Bzip2