1*83d290c5STom Rini# SPDX-License-Identifier: GPL-2.0 251148790SMasahiro Yamada# This helper makefile is used for creating 351148790SMasahiro Yamada# - symbolic links (arch/$ARCH/include/asm/arch 451148790SMasahiro Yamada# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk 551148790SMasahiro Yamada# - include/config.h 651148790SMasahiro Yamada# 751148790SMasahiro Yamada# When our migration to Kconfig is done 851148790SMasahiro Yamada# (= When we move all CONFIGs from header files to Kconfig) 951148790SMasahiro Yamada# this makefile can be deleted. 1051148790SMasahiro Yamada 11e02ee254SMasahiro Yamada__all: include/autoconf.mk include/autoconf.mk.dep 12e02ee254SMasahiro Yamada 13e02ee254SMasahiro Yamadaifeq ($(shell grep -q '^CONFIG_SPL=y' include/config/auto.conf 2>/dev/null && echo y),y) 14e02ee254SMasahiro Yamada__all: spl/include/autoconf.mk 15e02ee254SMasahiro Yamadaendif 16e02ee254SMasahiro Yamada 17e02ee254SMasahiro Yamadaifeq ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y) 18e02ee254SMasahiro Yamada__all: tpl/include/autoconf.mk 19e02ee254SMasahiro Yamadaendif 20e02ee254SMasahiro Yamada 21e02ee254SMasahiro Yamadainclude include/config/auto.conf 2251148790SMasahiro Yamada 2351148790SMasahiro Yamadainclude scripts/Kbuild.include 2451148790SMasahiro Yamada 2551148790SMasahiro Yamada# Need to define CC and CPP again here in case the top Makefile did not 2651148790SMasahiro Yamada# include config.mk. Some architectures expect CROSS_COMPILE to be defined 2751148790SMasahiro Yamada# in arch/$(ARCH)/config.mk 2851148790SMasahiro YamadaCC = $(CROSS_COMPILE)gcc 2951148790SMasahiro YamadaCPP = $(CC) -E 3051148790SMasahiro Yamada 3151148790SMasahiro Yamadainclude config.mk 3251148790SMasahiro Yamada 3351148790SMasahiro YamadaUBOOTINCLUDE := \ 3451148790SMasahiro Yamada -Iinclude \ 3551148790SMasahiro Yamada $(if $(KBUILD_SRC), -I$(srctree)/include) \ 3651148790SMasahiro Yamada -I$(srctree)/arch/$(ARCH)/include \ 3751148790SMasahiro Yamada -include $(srctree)/include/linux/kconfig.h 3851148790SMasahiro Yamada 3951148790SMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \ 4051148790SMasahiro Yamada $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 4151148790SMasahiro Yamada 4251148790SMasahiro Yamadaquiet_cmd_autoconf_dep = GEN $@ 4351148790SMasahiro Yamada cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \ 4451148790SMasahiro Yamada -MQ include/config/auto.conf $(srctree)/include/common.h > $@ || { \ 4551148790SMasahiro Yamada rm $@; false; \ 4651148790SMasahiro Yamada } 471406992fSMasahiro Yamadainclude/autoconf.mk.dep: include/config.h FORCE 4851148790SMasahiro Yamada $(call cmd,autoconf_dep) 4951148790SMasahiro Yamada 5051148790SMasahiro Yamada# We are migrating from board headers to Kconfig little by little. 5151148790SMasahiro Yamada# In the interim, we use both of 5251148790SMasahiro Yamada# - include/config/auto.conf (generated by Kconfig) 5351148790SMasahiro Yamada# - include/autoconf.mk (used in the U-Boot conventional configuration) 5451148790SMasahiro Yamada# The following rule creates autoconf.mk 5551148790SMasahiro Yamada# include/config/auto.conf is grepped in order to avoid duplication of the 5651148790SMasahiro Yamada# same CONFIG macros 5751148790SMasahiro Yamadaquiet_cmd_autoconf = GEN $@ 5851148790SMasahiro Yamada cmd_autoconf = \ 59e19b0fb4SMasahiro Yamada sed -n -f $(srctree)/tools/scripts/define2mk.sed $< | \ 6051148790SMasahiro Yamada while read line; do \ 617740f653SJoe Hershberger if [ -n "${KCONFIG_IGNORE_DUPLICATES}" ] || \ 627740f653SJoe Hershberger ! grep -q "$${line%=*}=" include/config/auto.conf; then \ 6351148790SMasahiro Yamada echo "$$line"; \ 6451148790SMasahiro Yamada fi \ 65e19b0fb4SMasahiro Yamada done > $@ 66e19b0fb4SMasahiro Yamada 67e19b0fb4SMasahiro Yamadaquiet_cmd_u_boot_cfg = CFG $@ 68e19b0fb4SMasahiro Yamada cmd_u_boot_cfg = \ 69e19b0fb4SMasahiro Yamada $(CPP) $(c_flags) $2 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \ 70e19b0fb4SMasahiro Yamada grep 'define CONFIG_' $@.tmp > $@; \ 7151148790SMasahiro Yamada rm $@.tmp; \ 7251148790SMasahiro Yamada } || { \ 7351148790SMasahiro Yamada rm $@.tmp; false; \ 7451148790SMasahiro Yamada } 7551148790SMasahiro Yamada 76e19b0fb4SMasahiro Yamadau-boot.cfg: include/config.h FORCE 77e19b0fb4SMasahiro Yamada $(call cmd,u_boot_cfg) 78e19b0fb4SMasahiro Yamada 79e19b0fb4SMasahiro Yamadaspl/u-boot.cfg: include/config.h FORCE 80e19b0fb4SMasahiro Yamada $(Q)mkdir -p $(dir $@) 81e19b0fb4SMasahiro Yamada $(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD) 82e19b0fb4SMasahiro Yamada 83e19b0fb4SMasahiro Yamadatpl/u-boot.cfg: include/config.h FORCE 84e19b0fb4SMasahiro Yamada $(Q)mkdir -p $(dir $@) 85e19b0fb4SMasahiro Yamada $(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD) 86e19b0fb4SMasahiro Yamada 87e19b0fb4SMasahiro Yamadainclude/autoconf.mk: u-boot.cfg 8851148790SMasahiro Yamada $(call cmd,autoconf) 8951148790SMasahiro Yamada 90e19b0fb4SMasahiro Yamadaspl/include/autoconf.mk: spl/u-boot.cfg 91e02ee254SMasahiro Yamada $(Q)mkdir -p $(dir $@) 92e19b0fb4SMasahiro Yamada $(call cmd,autoconf) 93e02ee254SMasahiro Yamada 94e19b0fb4SMasahiro Yamadatpl/include/autoconf.mk: tpl/u-boot.cfg 95e02ee254SMasahiro Yamada $(Q)mkdir -p $(dir $@) 96e19b0fb4SMasahiro Yamada $(call cmd,autoconf) 97e02ee254SMasahiro Yamada 9851148790SMasahiro Yamada# include/config.h 9951148790SMasahiro Yamada# Prior to Kconfig, it was generated by mkconfig. Now it is created here. 10051148790SMasahiro Yamadadefine filechk_config_h 10151148790SMasahiro Yamada (echo "/* Automatically generated - do not edit */"; \ 10251148790SMasahiro Yamada for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \ 10351148790SMasahiro Yamada echo \#define CONFIG_$$i \ 10451148790SMasahiro Yamada | sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \ 10551148790SMasahiro Yamada done; \ 10651148790SMasahiro Yamada echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\ 10751148790SMasahiro Yamada echo \#include \<config_defaults.h\>; \ 108e02ee254SMasahiro Yamada echo \#include \<config_uncmd_spl.h\>; \ 10951148790SMasahiro Yamada echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \ 11051148790SMasahiro Yamada echo \#include \<asm/config.h\>; \ 1114ac96345SPatrick Delaunay echo \#include \<linux/kconfig.h\>; \ 112e02ee254SMasahiro Yamada echo \#include \<config_fallbacks.h\>;) 11351148790SMasahiro Yamadaendef 11451148790SMasahiro Yamada 11551148790SMasahiro Yamadainclude/config.h: scripts/Makefile.autoconf create_symlink FORCE 11651148790SMasahiro Yamada $(call filechk,config_h) 11751148790SMasahiro Yamada 11851148790SMasahiro Yamada# symbolic links 1190e7368c6SMasahiro Yamada# If arch/$(ARCH)/mach-$(SOC)/include/mach exists, 1200e7368c6SMasahiro Yamada# make a symbolic link to that directory. 1210e7368c6SMasahiro Yamada# Otherwise, create a symbolic link to arch/$(ARCH)/include/asm/arch-$(SOC). 12251148790SMasahiro YamadaPHONY += create_symlink 12351148790SMasahiro Yamadacreate_symlink: 124a350c6a6SMasahiro Yamadaifdef CONFIG_CREATE_ARCH_SYMLINK 12551148790SMasahiro Yamadaifneq ($(KBUILD_SRC),) 12651148790SMasahiro Yamada $(Q)mkdir -p include/asm 1270e7368c6SMasahiro Yamada $(Q)if [ -d $(KBUILD_SRC)/arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \ 1280e7368c6SMasahiro Yamada dest=arch/$(ARCH)/mach-$(SOC)/include/mach; \ 1290e7368c6SMasahiro Yamada else \ 1300e7368c6SMasahiro Yamada dest=arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)); \ 1310e7368c6SMasahiro Yamada fi; \ 1320e7368c6SMasahiro Yamada ln -fsn $(KBUILD_SRC)/$$dest include/asm/arch 133ffe29ebcSMasahiro Yamadaelse 1340e7368c6SMasahiro Yamada $(Q)if [ -d arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \ 1350e7368c6SMasahiro Yamada dest=../../mach-$(SOC)/include/mach; \ 1360e7368c6SMasahiro Yamada else \ 1370e7368c6SMasahiro Yamada dest=arch-$(if $(SOC),$(SOC),$(CPU)); \ 1380e7368c6SMasahiro Yamada fi; \ 1390e7368c6SMasahiro Yamada ln -fsn $$dest arch/$(ARCH)/include/asm/arch 14051148790SMasahiro Yamadaendif 141a350c6a6SMasahiro Yamadaendif 14251148790SMasahiro Yamada 14351148790SMasahiro YamadaPHONY += FORCE 14451148790SMasahiro YamadaFORCE: 14551148790SMasahiro Yamada 14651148790SMasahiro Yamada.PHONY: $(PHONY) 147