1*51148790SMasahiro Yamada# This helper makefile is used for creating 2*51148790SMasahiro Yamada# - symbolic links (arch/$ARCH/include/asm/arch 3*51148790SMasahiro Yamada# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk 4*51148790SMasahiro Yamada# - include/config.h 5*51148790SMasahiro Yamada# 6*51148790SMasahiro Yamada# When our migration to Kconfig is done 7*51148790SMasahiro Yamada# (= When we move all CONFIGs from header files to Kconfig) 8*51148790SMasahiro Yamada# this makefile can be deleted. 9*51148790SMasahiro Yamada 10*51148790SMasahiro Yamada# obj is "include" or "spl/include" or "tpl/include" 11*51148790SMasahiro Yamada# for non-SPL, SPL, TPL, respectively 12*51148790SMasahiro Yamadainclude $(obj)/config/auto.conf 13*51148790SMasahiro Yamada 14*51148790SMasahiro Yamadainclude scripts/Kbuild.include 15*51148790SMasahiro Yamada 16*51148790SMasahiro Yamada# Need to define CC and CPP again here in case the top Makefile did not 17*51148790SMasahiro Yamada# include config.mk. Some architectures expect CROSS_COMPILE to be defined 18*51148790SMasahiro Yamada# in arch/$(ARCH)/config.mk 19*51148790SMasahiro YamadaCC = $(CROSS_COMPILE)gcc 20*51148790SMasahiro YamadaCPP = $(CC) -E 21*51148790SMasahiro Yamada 22*51148790SMasahiro Yamadainclude config.mk 23*51148790SMasahiro Yamada 24*51148790SMasahiro YamadaUBOOTINCLUDE := \ 25*51148790SMasahiro Yamada -I$(obj) \ 26*51148790SMasahiro Yamada -Iinclude \ 27*51148790SMasahiro Yamada $(if $(KBUILD_SRC), -I$(srctree)/include) \ 28*51148790SMasahiro Yamada -I$(srctree)/arch/$(ARCH)/include \ 29*51148790SMasahiro Yamada -include $(srctree)/include/linux/kconfig.h 30*51148790SMasahiro Yamada 31*51148790SMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \ 32*51148790SMasahiro Yamada $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 33*51148790SMasahiro Yamada 34*51148790SMasahiro Yamadaquiet_cmd_autoconf_dep = GEN $@ 35*51148790SMasahiro Yamada cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \ 36*51148790SMasahiro Yamada -MQ include/config/auto.conf $(srctree)/include/common.h > $@ || { \ 37*51148790SMasahiro Yamada rm $@; false; \ 38*51148790SMasahiro Yamada } 39*51148790SMasahiro Yamadainclude/autoconf.mk.dep: FORCE 40*51148790SMasahiro Yamada $(call cmd,autoconf_dep) 41*51148790SMasahiro Yamada 42*51148790SMasahiro Yamada# We are migrating from board headers to Kconfig little by little. 43*51148790SMasahiro Yamada# In the interim, we use both of 44*51148790SMasahiro Yamada# - include/config/auto.conf (generated by Kconfig) 45*51148790SMasahiro Yamada# - include/autoconf.mk (used in the U-Boot conventional configuration) 46*51148790SMasahiro Yamada# The following rule creates autoconf.mk 47*51148790SMasahiro Yamada# include/config/auto.conf is grepped in order to avoid duplication of the 48*51148790SMasahiro Yamada# same CONFIG macros 49*51148790SMasahiro Yamadaquiet_cmd_autoconf = GEN $@ 50*51148790SMasahiro Yamada cmd_autoconf = \ 51*51148790SMasahiro Yamada $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \ 52*51148790SMasahiro Yamada sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp | \ 53*51148790SMasahiro Yamada while read line; do \ 54*51148790SMasahiro Yamada if ! grep -q "$${line%=*}=" $(obj)/config/auto.conf; then \ 55*51148790SMasahiro Yamada echo "$$line"; \ 56*51148790SMasahiro Yamada fi \ 57*51148790SMasahiro Yamada done > $@; \ 58*51148790SMasahiro Yamada rm $@.tmp; \ 59*51148790SMasahiro Yamada } || { \ 60*51148790SMasahiro Yamada rm $@.tmp; false; \ 61*51148790SMasahiro Yamada } 62*51148790SMasahiro Yamada 63*51148790SMasahiro Yamada$(obj)/autoconf.mk: FORCE 64*51148790SMasahiro Yamada $(call cmd,autoconf) 65*51148790SMasahiro Yamada 66*51148790SMasahiro Yamadainclude/autoconf.mk include/autoconf.mk.dep: include/config.h 67*51148790SMasahiro Yamada 68*51148790SMasahiro Yamada# include/config.h 69*51148790SMasahiro Yamada# Prior to Kconfig, it was generated by mkconfig. Now it is created here. 70*51148790SMasahiro Yamadadefine filechk_config_h 71*51148790SMasahiro Yamada (echo "/* Automatically generated - do not edit */"; \ 72*51148790SMasahiro Yamada for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \ 73*51148790SMasahiro Yamada echo \#define CONFIG_$$i \ 74*51148790SMasahiro Yamada | sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \ 75*51148790SMasahiro Yamada done; \ 76*51148790SMasahiro Yamada echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\ 77*51148790SMasahiro Yamada echo \#include \<config_cmd_defaults.h\>; \ 78*51148790SMasahiro Yamada echo \#include \<config_defaults.h\>; \ 79*51148790SMasahiro Yamada echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \ 80*51148790SMasahiro Yamada echo \#include \<asm/config.h\>; \ 81*51148790SMasahiro Yamada echo \#include \<config_fallbacks.h\>; \ 82*51148790SMasahiro Yamada echo \#include \<config_uncmd_spl.h\>; ) 83*51148790SMasahiro Yamadaendef 84*51148790SMasahiro Yamada 85*51148790SMasahiro Yamadainclude/config.h: scripts/Makefile.autoconf create_symlink FORCE 86*51148790SMasahiro Yamada $(call filechk,config_h) 87*51148790SMasahiro Yamada 88*51148790SMasahiro Yamada# symbolic links 89*51148790SMasahiro YamadaPHONY += create_symlink 90*51148790SMasahiro Yamadacreate_symlink: 91*51148790SMasahiro Yamadaifneq ($(KBUILD_SRC),) 92*51148790SMasahiro Yamada $(Q)mkdir -p include/asm 93*51148790SMasahiro Yamadaendif 94*51148790SMasahiro Yamada $(Q)ln -fsn $(srctree)/arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)) \ 95*51148790SMasahiro Yamada $(if $(KBUILD_SRC),,arch/$(ARCH)/)include/asm/arch 96*51148790SMasahiro Yamada 97*51148790SMasahiro YamadaPHONY += FORCE 98*51148790SMasahiro YamadaFORCE: 99*51148790SMasahiro Yamada 100*51148790SMasahiro Yamada.PHONY: $(PHONY) 101