rockchip: defconfig: Clean the unused pinctrl config
[oweals/u-boot.git] / scripts / Makefile.autoconf
1 # SPDX-License-Identifier: GPL-2.0
2 # This helper makefile is used for creating
3 #  - symbolic links (arch/$ARCH/include/asm/arch
4 #  - include/autoconf.mk, {spl,tpl}/include/autoconf.mk
5 #  - include/config.h
6 #
7 # When our migration to Kconfig is done
8 # (= When we move all CONFIGs from header files to Kconfig)
9 # this makefile can be deleted.
10
11 __all: include/autoconf.mk include/autoconf.mk.dep
12
13 ifeq ($(shell grep -q '^CONFIG_SPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
14 __all: spl/include/autoconf.mk
15 endif
16
17 ifeq ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
18 __all: tpl/include/autoconf.mk
19 endif
20
21 include include/config/auto.conf
22
23 include scripts/Kbuild.include
24
25 # Need to define CC and CPP again here in case the top Makefile did not
26 # include config.mk.  Some architectures expect CROSS_COMPILE to be defined
27 # in arch/$(ARCH)/config.mk
28 CC              = $(CROSS_COMPILE)gcc
29 CPP             = $(CC) -E
30
31 include config.mk
32
33 UBOOTINCLUDE    := \
34                 -Iinclude \
35                 $(if $(KBUILD_SRC), -I$(srctree)/include) \
36                 -I$(srctree)/arch/$(ARCH)/include \
37                 -include $(srctree)/include/linux/kconfig.h
38
39 c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \
40                                         $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
41
42 quiet_cmd_autoconf_dep = GEN     $@
43       cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \
44         -MQ include/config/auto.conf $(srctree)/include/common.h > $@ || {      \
45                 rm $@; false;                                                   \
46         }
47 include/autoconf.mk.dep: include/config.h FORCE
48         $(call cmd,autoconf_dep)
49
50 # We are migrating from board headers to Kconfig little by little.
51 # In the interim, we use both of
52 #  - include/config/auto.conf (generated by Kconfig)
53 #  - include/autoconf.mk      (used in the U-Boot conventional configuration)
54 # The following rule creates autoconf.mk
55 # include/config/auto.conf is grepped in order to avoid duplication of the
56 # same CONFIG macros
57 quiet_cmd_autoconf = GEN     $@
58       cmd_autoconf = \
59                 sed -n -f $(srctree)/tools/scripts/define2mk.sed $< |                   \
60                 while read line; do                                                     \
61                         if [ -n "${KCONFIG_IGNORE_DUPLICATES}" ] ||                     \
62                            ! grep -q "$${line%=*}=" include/config/auto.conf; then      \
63                                 echo "$$line";                                          \
64                         fi                                                              \
65                 done > $@
66
67 quiet_cmd_u_boot_cfg = CFG     $@
68       cmd_u_boot_cfg = \
69         $(CPP) $(c_flags) $2 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \
70                 grep 'define CONFIG_' $@.tmp > $@;                      \
71                 rm $@.tmp;                                              \
72         } || {                                                          \
73                 rm $@.tmp; false;                                       \
74         }
75
76 u-boot.cfg: include/config.h FORCE
77         $(call cmd,u_boot_cfg)
78
79 spl/u-boot.cfg: include/config.h FORCE
80         $(Q)mkdir -p $(dir $@)
81         $(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD)
82
83 tpl/u-boot.cfg: include/config.h FORCE
84         $(Q)mkdir -p $(dir $@)
85         $(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD)
86
87 include/autoconf.mk: u-boot.cfg
88         $(call cmd,autoconf)
89
90 spl/include/autoconf.mk: spl/u-boot.cfg
91         $(Q)mkdir -p $(dir $@)
92         $(call cmd,autoconf)
93
94 tpl/include/autoconf.mk: tpl/u-boot.cfg
95         $(Q)mkdir -p $(dir $@)
96         $(call cmd,autoconf)
97
98 # include/config.h
99 # Prior to Kconfig, it was generated by mkconfig. Now it is created here.
100 define filechk_config_h
101         (echo "/* Automatically generated - do not edit */";            \
102         for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \
103                 echo \#define CONFIG_$$i                                \
104                 | sed '/=/ {s/=/        /;q; } ; { s/$$/        1/; }'; \
105         done;                                                           \
106         echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
107         echo \#include \<config_defaults.h\>;                           \
108         echo \#include \<config_uncmd_spl.h\>;                          \
109         echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>;         \
110         echo \#include \<asm/config.h\>;                                \
111         echo \#include \<linux/kconfig.h\>;                             \
112         echo \#include \<config_fallbacks.h\>;)
113 endef
114
115 include/config.h: scripts/Makefile.autoconf create_symlink FORCE
116         $(call filechk,config_h)
117
118 # symbolic links
119 # If arch/$(ARCH)/mach-$(SOC)/include/mach exists,
120 # make a symbolic link to that directory.
121 # Otherwise, create a symbolic link to arch/$(ARCH)/include/asm/arch-$(SOC).
122 PHONY += create_symlink
123 create_symlink:
124 ifdef CONFIG_CREATE_ARCH_SYMLINK
125 ifneq ($(KBUILD_SRC),)
126         $(Q)mkdir -p include/asm
127         $(Q)if [ -d $(KBUILD_SRC)/arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
128                 dest=arch/$(ARCH)/mach-$(SOC)/include/mach;                     \
129         else                                                                    \
130                 dest=arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU));  \
131         fi;                                                                     \
132         ln -fsn $(KBUILD_SRC)/$$dest include/asm/arch
133 else
134         $(Q)if [ -d arch/$(ARCH)/mach-$(SOC)/include/mach ]; then       \
135                 dest=../../mach-$(SOC)/include/mach;                    \
136         else                                                            \
137                 dest=arch-$(if $(SOC),$(SOC),$(CPU));                   \
138         fi;                                                             \
139         ln -fsn $$dest arch/$(ARCH)/include/asm/arch
140 endif
141 endif
142
143 PHONY += FORCE
144 FORCE:
145
146 .PHONY: $(PHONY)