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-rw-r--r--scripts/Makefile.lib20
1 files changed, 19 insertions, 1 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index a237b7bf859..60265f4d32d 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -164,6 +164,21 @@ cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \
ld_flags = $(LDFLAGS) $(ldflags-y)
+dts_dir = $(srctree)/arch/$(ARCH)/dts
+
+# Try these files in order to find the U-Boot-specific .dtsi include file
+u_boot_dtsi_options = $(wildcard $(dts_dir)/$(basename $(notdir $<))-u-boot.dtsi) \
+ $(wildcard $(dts_dir)/$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \
+ $(wildcard $(dts_dir)/$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \
+ $(wildcard $(dts_dir)/$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \
+ $(wildcard $(dts_dir)/u-boot.dtsi)
+
+# Uncomment for debugging
+# $(warning u_boot_dtsi_options: $(u_boot_dtsi_options))
+
+# We use the first match
+u_boot_dtsi = $(firstword $(u_boot_dtsi_options))
+
# Modified for U-Boot
dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \
-I$(srctree)/arch/$(ARCH)/dts \
@@ -293,8 +308,11 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
quiet_cmd_dtc = DTC $@
# Modified for U-Boot
+# Bring in any U-Boot-specific include after the '/dts-v1/;' header
cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
- $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+ cat $< $(if $(u-boot-dtsi),\
+ | sed 's%^/ {$$%\#include \"$(u-boot-dtsi)\"\n&%') | \
+ $(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) ; \