ARM: socfpga: move board select into mach-socfpga/Kconfig

Switch to a more standard way of board select; put the SoC select
into arch/arm/Kconfig and move the board select menu under
arch/arm/mach-socfpga/Kconfig.

Also, consolidate SYS_BOARD, SYS_VENDOR, SYS_SOC, SYS_CONFIG_NAME.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/Kconfig

@@ -619,16 +619,8 @@ config TARGET_CM_FX6
 	select DM_SERIAL
 	select DM_GPIO
 
-config TARGET_SOCFPGA_ARRIA5
-	bool "Support socfpga_arria5"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SPI_FLASH
-	select DM_SPI
-
-config TARGET_SOCFPGA_CYCLONE5
-	bool "Support socfpga_cyclone5"
+config ARCH_SOCFPGA
+	bool "Altera SOCFPGA family"
 	select CPU_V7
 	select SUPPORT_SPL
 	select DM
@@ -841,6 +833,8 @@ source "arch/arm/cpu/armv7/rmobile/Kconfig"
 
 source "arch/arm/cpu/armv7/s5pc1xx/Kconfig"
 
+source "arch/arm/mach-socfpga/Kconfig"
+
 source "arch/arm/mach-tegra/Kconfig"
 
 source "arch/arm/mach-uniphier/Kconfig"
@@ -863,7 +857,6 @@ source "board/Marvell/aspenite/Kconfig"
 source "board/Marvell/db-88f6820-gp/Kconfig"
 source "board/Marvell/db-mv784mp-gp/Kconfig"
 source "board/Marvell/gplugd/Kconfig"
-source "board/altera/socfpga/Kconfig"
 source "board/armadeus/apf27/Kconfig"
 source "board/armltd/vexpress/Kconfig"
 source "board/armltd/vexpress64/Kconfig"

board/altera/socfpga/Kconfig → arch/arm/mach-socfpga/Kconfig

-if TARGET_SOCFPGA_CYCLONE5
+if ARCH_SOCFPGA
 
-config SYS_BOARD
-	default "socfpga"
-
-config SYS_VENDOR
-	default "altera"
+choice
+	prompt "Altera SOCFPGA board select"
 
-config SYS_SOC
-	default "socfpga"
+config TARGET_SOCFPGA_ARRIA5
+	bool "Altera SOCFPGA Arria V"
 
-config SYS_CONFIG_NAME
-	default "socfpga_cyclone5"
-
-endif
+config TARGET_SOCFPGA_CYCLONE5
+	bool "Altera SOCFPGA Cyclone V"
 
-if TARGET_SOCFPGA_ARRIA5
+endchoice
 
 config SYS_BOARD
 	default "socfpga"
@@ -26,6 +21,7 @@ config SYS_SOC
 	default "socfpga"
 
 config SYS_CONFIG_NAME
-	default "socfpga_arria5"
+	default "socfpga_arria5" if TARGET_SOCFPGA_ARRIA5
+	default "socfpga_cyclone5" if TARGET_SOCFPGA_CYCLONE5
 
 endif

configs/socfpga_arria5_defconfig

 CONFIG_SPL=y
 CONFIG_ARM=y
+CONFIG_ARCH_SOCFPGA=y
 CONFIG_TARGET_SOCFPGA_ARRIA5=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="socfpga_arria5_socdk"

configs/socfpga_cyclone5_defconfig

 CONFIG_SPL=y
 CONFIG_ARM=y
+CONFIG_ARCH_SOCFPGA=y
 CONFIG_TARGET_SOCFPGA_CYCLONE5=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="socfpga_cyclone5_socdk"

configs/socfpga_socrates_defconfig

 CONFIG_SPL=y
 CONFIG_ARM=y
+CONFIG_ARCH_SOCFPGA=y
 CONFIG_TARGET_SOCFPGA_CYCLONE5=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="socfpga_cyclone5_socrates"