-#
-# SPDX-License-Identifier: GPL-2.0
-#
+# SPDX-License-Identifier: GPL-2.0
# Backward compatibility
asflags-y += $(EXTRA_AFLAGS)
ccflags-y += $(EXTRA_CFLAGS)
ld_flags = $(LDFLAGS) $(ldflags-y)
# Try these files in order to find the U-Boot-specific .dtsi include file
-u_boot_dtsi_options = $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \
+u_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \
$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \
$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \
$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \
- $(wildcard $(dir $<)u-boot.dtsi)
+ $(wildcard $(dir $<)u-boot.dtsi))
+
+u_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \
+ $(dir $<)$(basename $(notdir $<))-u-boot.dtsi \
+ $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \
+ $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \
+ $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \
+ $(dir $<)u-boot.dtsi ... \
+ found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!))
# Uncomment for debugging
-# $(warning u_boot_dtsi_options: $(u_boot_dtsi_options))
+# This shows all the files that were considered and the one that we chose.
+# u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw)
# We use the first match
-u_boot_dtsi = $(notdir $(firstword $(u_boot_dtsi_options)))
+u_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \
+ $(notdir $(firstword $(u_boot_dtsi_options))))
# Modified for U-Boot
dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \
MKIMAGEOUTPUT ?= /dev/null
quiet_cmd_mkimage = MKIMAGE $@
cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
- $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
+ >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
+
+# fdtgrep
+# ---------------------------------------------------------------------------
+# Pass the original device tree file through fdtgrep twice. The first pass
+# removes any unwanted nodes (i.e. those which don't have the
+# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
+# pass removes various unused properties from the remaining nodes.
+# The output is typically a much smaller device tree file.
+ifeq ($(CONFIG_TPL_BUILD),y)
+fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
+else
+fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
+endif
+quiet_cmd_fdtgrep = FDTGREP $@
+ cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
+ -n /chosen -n /config -O dtb | \
+ $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
+ $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))