151148790SMasahiro Yamada# This helper makefile is used for creating 251148790SMasahiro Yamada# - symbolic links (arch/$ARCH/include/asm/arch 351148790SMasahiro Yamada# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk 451148790SMasahiro Yamada# - include/config.h 551148790SMasahiro Yamada# 651148790SMasahiro Yamada# When our migration to Kconfig is done 751148790SMasahiro Yamada# (= When we move all CONFIGs from header files to Kconfig) 851148790SMasahiro Yamada# this makefile can be deleted. 951148790SMasahiro Yamada 1051148790SMasahiro Yamada# obj is "include" or "spl/include" or "tpl/include" 1151148790SMasahiro Yamada# for non-SPL, SPL, TPL, respectively 1251148790SMasahiro Yamadainclude $(obj)/config/auto.conf 1351148790SMasahiro Yamada 1451148790SMasahiro Yamadainclude scripts/Kbuild.include 1551148790SMasahiro Yamada 1651148790SMasahiro Yamada# Need to define CC and CPP again here in case the top Makefile did not 1751148790SMasahiro Yamada# include config.mk. Some architectures expect CROSS_COMPILE to be defined 1851148790SMasahiro Yamada# in arch/$(ARCH)/config.mk 1951148790SMasahiro YamadaCC = $(CROSS_COMPILE)gcc 2051148790SMasahiro YamadaCPP = $(CC) -E 2151148790SMasahiro Yamada 2251148790SMasahiro Yamadainclude config.mk 2351148790SMasahiro Yamada 2451148790SMasahiro YamadaUBOOTINCLUDE := \ 2551148790SMasahiro Yamada -I$(obj) \ 2651148790SMasahiro Yamada -Iinclude \ 2751148790SMasahiro Yamada $(if $(KBUILD_SRC), -I$(srctree)/include) \ 2851148790SMasahiro Yamada -I$(srctree)/arch/$(ARCH)/include \ 2951148790SMasahiro Yamada -include $(srctree)/include/linux/kconfig.h 3051148790SMasahiro Yamada 3151148790SMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \ 3251148790SMasahiro Yamada $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 3351148790SMasahiro Yamada 3451148790SMasahiro Yamadaquiet_cmd_autoconf_dep = GEN $@ 3551148790SMasahiro Yamada cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \ 3651148790SMasahiro Yamada -MQ include/config/auto.conf $(srctree)/include/common.h > $@ || { \ 3751148790SMasahiro Yamada rm $@; false; \ 3851148790SMasahiro Yamada } 3951148790SMasahiro Yamadainclude/autoconf.mk.dep: FORCE 4051148790SMasahiro Yamada $(call cmd,autoconf_dep) 4151148790SMasahiro Yamada 4251148790SMasahiro Yamada# We are migrating from board headers to Kconfig little by little. 4351148790SMasahiro Yamada# In the interim, we use both of 4451148790SMasahiro Yamada# - include/config/auto.conf (generated by Kconfig) 4551148790SMasahiro Yamada# - include/autoconf.mk (used in the U-Boot conventional configuration) 4651148790SMasahiro Yamada# The following rule creates autoconf.mk 4751148790SMasahiro Yamada# include/config/auto.conf is grepped in order to avoid duplication of the 4851148790SMasahiro Yamada# same CONFIG macros 4951148790SMasahiro Yamadaquiet_cmd_autoconf = GEN $@ 5051148790SMasahiro Yamada cmd_autoconf = \ 5151148790SMasahiro Yamada $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \ 5251148790SMasahiro Yamada sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp | \ 5351148790SMasahiro Yamada while read line; do \ 5451148790SMasahiro Yamada if ! grep -q "$${line%=*}=" $(obj)/config/auto.conf; then \ 5551148790SMasahiro Yamada echo "$$line"; \ 5651148790SMasahiro Yamada fi \ 5751148790SMasahiro Yamada done > $@; \ 5851148790SMasahiro Yamada rm $@.tmp; \ 5951148790SMasahiro Yamada } || { \ 6051148790SMasahiro Yamada rm $@.tmp; false; \ 6151148790SMasahiro Yamada } 6251148790SMasahiro Yamada 6351148790SMasahiro Yamada$(obj)/autoconf.mk: FORCE 6451148790SMasahiro Yamada $(call cmd,autoconf) 6551148790SMasahiro Yamada 6651148790SMasahiro Yamadainclude/autoconf.mk include/autoconf.mk.dep: include/config.h 6751148790SMasahiro Yamada 6851148790SMasahiro Yamada# include/config.h 6951148790SMasahiro Yamada# Prior to Kconfig, it was generated by mkconfig. Now it is created here. 7051148790SMasahiro Yamadadefine filechk_config_h 7151148790SMasahiro Yamada (echo "/* Automatically generated - do not edit */"; \ 7251148790SMasahiro Yamada for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \ 7351148790SMasahiro Yamada echo \#define CONFIG_$$i \ 7451148790SMasahiro Yamada | sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \ 7551148790SMasahiro Yamada done; \ 7651148790SMasahiro Yamada echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\ 7751148790SMasahiro Yamada echo \#include \<config_defaults.h\>; \ 7851148790SMasahiro Yamada echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \ 7951148790SMasahiro Yamada echo \#include \<asm/config.h\>; \ 8051148790SMasahiro Yamada echo \#include \<config_fallbacks.h\>; \ 8151148790SMasahiro Yamada echo \#include \<config_uncmd_spl.h\>; ) 8251148790SMasahiro Yamadaendef 8351148790SMasahiro Yamada 8451148790SMasahiro Yamadainclude/config.h: scripts/Makefile.autoconf create_symlink FORCE 8551148790SMasahiro Yamada $(call filechk,config_h) 8651148790SMasahiro Yamada 8751148790SMasahiro Yamada# symbolic links 8851148790SMasahiro YamadaPHONY += create_symlink 8951148790SMasahiro Yamadacreate_symlink: 9051148790SMasahiro Yamadaifneq ($(KBUILD_SRC),) 9151148790SMasahiro Yamada $(Q)mkdir -p include/asm 92*ffe29ebcSMasahiro Yamada $(Q)ln -fsn $(KBUILD_SRC)/arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)) \ 93*ffe29ebcSMasahiro Yamada include/asm/arch 94*ffe29ebcSMasahiro Yamadaelse 95*ffe29ebcSMasahiro Yamada $(Q)ln -fsn arch-$(if $(SOC),$(SOC),$(CPU)) \ 96*ffe29ebcSMasahiro Yamada arch/$(ARCH)/include/asm/arch 9751148790SMasahiro Yamadaendif 9851148790SMasahiro Yamada 9951148790SMasahiro YamadaPHONY += FORCE 10051148790SMasahiro YamadaFORCE: 10151148790SMasahiro Yamada 10251148790SMasahiro Yamada.PHONY: $(PHONY) 103