generic-board: move __HAVE_ARCH_GENERIC_BOARD to Kconfig

Move the option to Kconfig renaming it to CONFIG_HAVE_GENERIC_BOARD.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alexey Brodkin <abrodkin@synopsys.com>

Makefile

@@ -1163,7 +1163,7 @@ prepare2: prepare3 outputmakefile
 
 prepare1: prepare2 $(version_h) $(timestamp_h) \
                    include/config/auto.conf
-ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
+ifeq ($(CONFIG_HAVE_GENERIC_BOARD),)
 ifeq ($(CONFIG_SYS_GENERIC_BOARD),y)
 	@echo >&2 "  Your architecture does not support generic board."
 	@echo >&2 "  Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file."

README

@@ -4190,9 +4190,9 @@ Configuration Settings:
 	to this new framework over time. Defining this will disable the
 	arch/foo/lib/board.c file and use common/board_f.c and
 	common/board_r.c instead. To use this option your architecture
-	must support it (i.e. must define __HAVE_ARCH_GENERIC_BOARD in
-	its config.mk file). If you find problems enabling this option on
-	your board please report the problem and send patches!
+	must support it (i.e. must select HAVE_GENERIC_BOARD in arch/Kconfig).
+	If you find problems enabling this option on your board please report
+	the problem and send patches!
 
 - CONFIG_OMAP_PLATFORM_RESET_TIME_MAX_USEC (OMAP only)
 	This is set by OMAP boards for the max time that reset should

arch/Kconfig

@@ -1,3 +1,6 @@
+config HAVE_GENERIC_BOARD
+	bool
+
 choice
 	prompt "Architecture select"
 	default SANDBOX
@@ -5,34 +8,42 @@ choice
 config ARC
 	bool "ARC architecture"
 	select HAVE_PRIVATE_LIBGCC
+	select HAVE_GENERIC_BOARD
 
 config ARM
 	bool "ARM architecture"
 	select HAVE_PRIVATE_LIBGCC
+	select HAVE_GENERIC_BOARD
 	select SUPPORT_OF_CONTROL
 
 config AVR32
 	bool "AVR32 architecture"
+	select HAVE_GENERIC_BOARD
 
 config BLACKFIN
 	bool "Blackfin architecture"
+	select HAVE_GENERIC_BOARD
 
 config M68K
 	bool "M68000 architecture"
+	select HAVE_GENERIC_BOARD
 
 config MICROBLAZE
 	bool "MicroBlaze architecture"
+	select HAVE_GENERIC_BOARD
 	select SUPPORT_OF_CONTROL
 
 config MIPS
 	bool "MIPS architecture"
 	select HAVE_PRIVATE_LIBGCC
+	select HAVE_GENERIC_BOARD
 
 config NDS32
 	bool "NDS32 architecture"
 
 config NIOS2
 	bool "Nios II architecture"
+	select HAVE_GENERIC_BOARD
 
 config OPENRISC
 	bool "OpenRISC architecture"
@@ -40,10 +51,12 @@ config OPENRISC
 config PPC
 	bool "PowerPC architecture"
 	select HAVE_PRIVATE_LIBGCC
+	select HAVE_GENERIC_BOARD
 	select SUPPORT_OF_CONTROL
 
 config SANDBOX
 	bool "Sandbox"
+	select HAVE_GENERIC_BOARD
 	select SUPPORT_OF_CONTROL
 
 config SH
@@ -56,6 +69,7 @@ config SPARC
 config X86
 	bool "x86 architecture"
 	select HAVE_PRIVATE_LIBGCC
+	select HAVE_GENERIC_BOARD
 	select SUPPORT_OF_CONTROL
 
 endchoice

arch/arc/config.mk

@@ -57,6 +57,3 @@ LDFLAGS_FINAL += -pie
 
 # Load address for standalone apps
 CONFIG_STANDALONE_LOAD_ADDR ?= 0x82000000
-
-# Support generic board on ARC
-__HAVE_ARCH_GENERIC_BOARD := y

arch/arm/config.mk

@@ -19,9 +19,6 @@ PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections \
 PLATFORM_RELFLAGS += $(call cc-option, -msoft-float) \
       $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
 
-# Support generic board on ARM
-__HAVE_ARCH_GENERIC_BOARD := y
-
 PLATFORM_CPPFLAGS += -D__ARM__
 
 # Choose between ARM/Thumb instruction sets

arch/avr32/config.mk

@@ -9,9 +9,6 @@ ifeq ($(CROSS_COMPILE),)
 CROSS_COMPILE := avr32-linux-
 endif
 
-# avr32 has generic board support
-__HAVE_ARCH_GENERIC_BOARD := y
-
 CONFIG_STANDALONE_LOAD_ADDR ?= 0x00000000
 
 PLATFORM_RELFLAGS	+= -ffixed-r5 -fPIC -mno-init-got -mrelax

arch/blackfin/config.mk

@@ -20,9 +20,6 @@ CONFIG_BFIN_CPU := $(strip $(CONFIG_BFIN_CPU:"%"=%))
 endif
 CONFIG_BFIN_BOOT_MODE := $(strip $(CONFIG_BFIN_BOOT_MODE:"%"=%))
 
-# Support generic board on Blackfin
-__HAVE_ARCH_GENERIC_BOARD := y
-
 PLATFORM_RELFLAGS += -ffixed-P3 -fomit-frame-pointer -mno-fdpic
 
 LDFLAGS_FINAL += --gc-sections

arch/m68k/config.mk

@@ -11,9 +11,6 @@ endif
 
 CONFIG_STANDALONE_LOAD_ADDR ?= 0x20000
 
-# Support generic board on m68k
-__HAVE_ARCH_GENERIC_BOARD := y
-
 PLATFORM_CPPFLAGS += -D__M68K__
 PLATFORM_LDFLAGS  += -n
 PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections

arch/microblaze/config.mk

@@ -19,4 +19,3 @@ PLATFORM_CPPFLAGS += -ffixed-r31 -D__microblaze__
 ifeq ($(CONFIG_SPL_BUILD),)
 PLATFORM_CPPFLAGS += -fPIC
 endif
-__HAVE_ARCH_GENERIC_BOARD := y

arch/mips/config.mk

@@ -43,8 +43,6 @@ PLATFORM_CPPFLAGS += $(cpuflags-y)
 
 PLATFORM_CPPFLAGS += -D__MIPS__
 
-__HAVE_ARCH_GENERIC_BOARD := y
-
 #
 # From Linux arch/mips/Makefile
 #

arch/nios2/config.mk

@@ -17,5 +17,3 @@ PLATFORM_CPPFLAGS += -G0
 
 LDFLAGS_FINAL += --gc-sections
 PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
-
-__HAVE_ARCH_GENERIC_BOARD := y

arch/powerpc/config.mk

@@ -18,9 +18,6 @@ PLATFORM_RELFLAGS += -fpic -mrelocatable -ffunction-sections \
 PLATFORM_CPPFLAGS += -D__powerpc__ -ffixed-r2 -m32
 PLATFORM_LDFLAGS  += -m32 -melf32ppclinux
 
-# Support generic board on PPC
-__HAVE_ARCH_GENERIC_BOARD := y
-
 #
 # When cross-compiling on NetBSD, we have to define __PPC__ or else we
 # will pick up a va_list declaration that is incompatible with the

arch/sandbox/config.mk

@@ -16,9 +16,6 @@ PLATFORM_CPPFLAGS += $(shell sdl-config --cflags)
 endif
 endif
 
-# Support generic board on sandbox
-__HAVE_ARCH_GENERIC_BOARD := y
-
 cmd_u-boot__ = $(CC) -o $@ -T u-boot.lds \
 	-Wl,--start-group $(u-boot-main) -Wl,--end-group \
 	$(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map

arch/x86/config.mk

@@ -17,9 +17,6 @@ PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
 PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
 PLATFORM_CPPFLAGS += -march=i386 -m32
 
-# Support generic board on x86
-__HAVE_ARCH_GENERIC_BOARD := y
-
 PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
 
 PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions -m elf_i386

doc/README.generic-board

@@ -44,16 +44,18 @@ The following architectures are supported now:
 
    arc
    arm
+   avr32
+   blackfin
+   m68k
+   microblaze
    mips
+   nios2
    powerpc
    sandbox
    x86
 
-If your architecture is not supported, you need to adjust your
-arch/<arch>/config.mk file to include:
-
-   __HAVE_ARCH_GENERIC_BOARD := y
-
+If your architecture is not supported, you need to select
+HAVE_GENERIC_BOARD in arch/Kconfig
 and test it with a suitable board, as follows.