mirror of
git://nv-tegra.nvidia.com/linux/kernel-devicetree.git
synced 2025-12-22 09:11:28 +03:00
4b7aad64c2
Use the TEGRA_TOP environment variable for getting the path of hardware DT source. If it is not available then use the TOP. If TEGRA_TOP and TOP is not exported then report compilation error. Bug 3860258 Change-Id: I5c31f8861f795cec3b3bddb01621e3413d044454 Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2807613 Reviewed-by: Bitan Biswas <bbiswas@nvidia.com> Reviewed-by: svcacv <svcacv@nvidia.com> Tested-by: Bitan Biswas <bbiswas@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
125 lines
3.7 KiB
Makefile
125 lines
3.7 KiB
Makefile
# SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# SPDX-License-Identifier: GPL-2.0-only
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objtree = $(srctree)
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# Redefine the fixdep command
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cmd_and_fixdep = \
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$(cmd); \
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$(objtree)/scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).cmd;\
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rm -f $(depfile)
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include $(oottree)/scripts/Makefile.lib
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DTC_CPP_FLAGS += $(EXTRA_CPP_FLAGS)
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DTC_CPP_FLAGS += -DLINUX_VERSION=515 -DTEGRA_HOST1X_DT_VERSION=1
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ifneq ($(TEGRA_TOP),)
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SOURCE_TOP := $(TEGRA_TOP)
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else ifneq ($(TOP),)
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SOURCE_TOP := $(TOP)
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else
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$(error TEGRA_TOP or TOP is not defined)
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endif
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tegra-dtstree := $(SOURCE_TOP)/hardware/nvidia
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# Get relative path for tegra-dtstree from this makefile
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null :=
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space :=$(null) $(null)
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obj-path := $(obj)
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obj-path-from-top := $(subst $(SOURCE_TOP),,$(obj-path))
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rel-top-path := $(subst /, $(space)/,$(obj-path-from-top))
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rel-top-path := $(patsubst /%,../,$(rel-top-path))
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rel-top-path := $(subst $(space),,$(rel-top-path))
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tegra-rel-dtstree := $(rel-top-path)/hardware/nvidia
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DTC_INCLUDE :=
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# SOC independent common include
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DTC_INCLUDE += $(tegra-dtstree)/soc/tegra/kernel-include
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DTC_INCLUDE += $(tegra-dtstree)/platform/tegra/common/kernel-dts
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# SOC T23X specific common include
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DTC_INCLUDE += $(tegra-dtstree)/soc/t23x/kernel-include
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DTC_INCLUDE += $(tegra-dtstree)/soc/t23x/kernel-dts
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DTC_INCLUDE += $(tegra-dtstree)/platform/t23x/common/kernel-dts
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DTC_INCLUDE += $(tegra-dtstree)/platform/t23x/automotive/kernel-dts/common/linux/
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dtb-oot-y :=
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dtbo-oot-y :=
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DTB_LIST := $(dtb-oot-y)
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DTBO_LIST := $(dtbo-oot-y)
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dtb-oot-y :=
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kdts := $(shell find $(tegra-dtstree)/platform/t23x -name kernel-dts)
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dts_makefile=$(foreach d,$(wildcard $1*), $(call dts_makefile,$(d)/,$(2)) $(if $(findstring Makefile,$(d)),$(d)))
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dts_mfiles = $(call dts_makefile, $(kdts), Makefile)
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ifneq ($(dts_mfiles),)
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dts-include :=
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include $(dts_mfiles)
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dtb-oot-y := $(addprefix $(tegra-rel-dtstree)/,$(dtb-oot-y))
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dtbo-oot-y := $(addprefix $(tegra-rel-dtstree)/,$(dtbo-oot-y))
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ifneq ($(dts-include),)
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DTC_INCLUDE += $(addprefix $(tegra-dtstree)/,$(dts-include))
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endif
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endif
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DTB_LIST += $(dtb-oot-y)
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DTBO_LIST += $(dtbo-oot-y)
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DTB_NEW_RULE_LIST := $(dtb-oot-y)
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DTBO_NEW_RULE_LIST := $(dtbo-oot-y)
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# Now save DTB_LIST to dtb-oot-y
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dtb-oot-y := $(DTB_LIST)
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dtbo-oot-y := $(DTBO_LIST)
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# Add path of main Makefile to each dtb/dtbo list
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DTB_OBJS := $(addprefix $(obj)/,$(DTB_LIST))
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DTBO_OBJS := $(addprefix $(obj)/,$(DTBO_LIST))
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###
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# remove the ../
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replace_ddot = $(subst ../,,$(1))
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define _define_dtb_rule
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$(obj)/$(call replace_ddot,$(1)): $(src)/$(patsubst %.dtb,%.dts,$(1)) FORCE
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endef
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$(foreach _dtb, $(DTB_NEW_RULE_LIST), $(eval $(call _define_dtb_rule,$(_dtb))))
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DTB_OBJS := $(call replace_ddot,$(DTB_OBJS))
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DTB_NEW_RULE_LIST := $(addprefix $(obj)/,$(DTB_NEW_RULE_LIST))
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DTB_NEW_RULE_LIST := $(call replace_ddot,$(DTB_NEW_RULE_LIST))
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$(DTB_NEW_RULE_LIST):
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$(call if_changed_dep,dtc)
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define _define_dtbo_rule
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$(obj)/$(call replace_ddot,$(1)): $(src)/$(patsubst %.dtbo,%.dts,$(1)) FORCE
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endef
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$(foreach _dtbo, $(DTBO_NEW_RULE_LIST), $(eval $(call _define_dtbo_rule,$(_dtbo))))
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DTBO_OBJS := $(call replace_ddot,$(DTBO_OBJS))
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DTBO_NEW_RULE_LIST := $(addprefix $(obj)/,$(DTBO_NEW_RULE_LIST))
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DTBO_NEW_RULE_LIST := $(call replace_ddot,$(DTBO_NEW_RULE_LIST))
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$(DTBO_NEW_RULE_LIST):
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$(call if_changed_dep,dtc)
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DTBS_DTBOS := $(DTB_OBJS)$(DTBO_OBJS)
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dtbs: $(DTB_OBJS) $(DTBO_OBJS) FORCE
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if [ ! -d $(obj)/dtbs/ ] ; then \
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mkdir -p $(obj)/dtbs/ ; \
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fi
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if [ ! -z "$(DTBS_DTBOS)" ] ; then \
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cp -u $(DTB_OBJS) $(DTBO_OBJS) $(obj)/dtbs/ ; \
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fi
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if [ -d $(obj)/hardware/ ] ; then \
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rm -rf $(obj)/hardware/ ; \
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fi
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clean-files := *.dtb *.dtbo *.tmp
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