arm: imx: mx28: Move MX28 selection to Kconfig

The motivation for moving MX28 selection to Kconfig is to be able
to better handle NAND MXS selection through Kconfig.

This selection method also aligns with the way other i.MX SoCs are
selected in U-Boot.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>

arch/arm/Kconfig

@@ -396,37 +396,6 @@ config TARGET_APF27
 	select CPU_ARM926EJS
 	select SUPPORT_SPL
 
-config TARGET_APX4DEVKIT
-	bool "Support apx4devkit"
-	select CPU_ARM926EJS
-	select SUPPORT_SPL
-	select PL011_SERIAL
-
-config TARGET_M28EVK
-	bool "Support m28evk"
-	select CPU_ARM926EJS
-	select SUPPORT_SPL
-	select PL011_SERIAL
-
-config TARGET_MX28EVK
-	bool "Support mx28evk"
-	select CPU_ARM926EJS
-	select SUPPORT_SPL
-	select BOARD_EARLY_INIT_F
-	select PL011_SERIAL
-
-config TARGET_BG0900
-	bool "Support bg0900"
-	select CPU_ARM926EJS
-	select SUPPORT_SPL
-	select PL011_SERIAL
-
-config TARGET_SC_SPS_1
-	bool "Support sc_sps_1"
-	select CPU_ARM926EJS
-	select SUPPORT_SPL
-	select PL011_SERIAL
-
 config ORION5X
 	bool "Marvell Orion"
 	select CPU_ARM926EJS
@@ -651,6 +620,12 @@ config ARCH_MX25
 	select CPU_ARM926EJS
 	imply MXC_GPIO
 
+config ARCH_MX28
+	bool "NXP i.MX28 family"
+	select CPU_ARM926EJS
+	select PL011_SERIAL
+	select SUPPORT_SPL
+
 config ARCH_MX7ULP
         bool "NXP MX7ULP"
         select CPU_V7
@@ -772,12 +747,6 @@ config ARCH_SUNXI
 	imply SPL_SERIAL_SUPPORT
 	imply USB_GADGET
 
-config TARGET_TS4600
-	bool "Support TS4600"
-	select CPU_ARM926EJS
-	select SUPPORT_SPL
-	select PL011_SERIAL
-
 config ARCH_VF610
 	bool "Freescale Vybrid"
 	select CPU_V7
@@ -1299,7 +1268,6 @@ source "arch/arm/cpu/armv8/Kconfig"
 
 source "arch/arm/mach-imx/Kconfig"
 
-source "board/aries/m28evk/Kconfig"
 source "board/bosch/shc/Kconfig"
 source "board/CarMediaLab/flea3/Kconfig"
 source "board/Marvell/aspenite/Kconfig"
@@ -1307,7 +1275,6 @@ source "board/Marvell/gplugd/Kconfig"
 source "board/armadeus/apf27/Kconfig"
 source "board/armltd/vexpress/Kconfig"
 source "board/armltd/vexpress64/Kconfig"
-source "board/bluegiga/apx4devkit/Kconfig"
 source "board/broadcom/bcm23550_w1d/Kconfig"
 source "board/broadcom/bcm28155_ap/Kconfig"
 source "board/broadcom/bcmcygnus/Kconfig"
@@ -1330,7 +1297,6 @@ source "board/freescale/ls1046ardb/Kconfig"
 source "board/freescale/ls1012aqds/Kconfig"
 source "board/freescale/ls1012ardb/Kconfig"
 source "board/freescale/ls1012afrdm/Kconfig"
-source "board/freescale/mx28evk/Kconfig"
 source "board/freescale/mx31ads/Kconfig"
 source "board/freescale/mx31pdk/Kconfig"
 source "board/freescale/mx35pdk/Kconfig"
@@ -1344,8 +1310,6 @@ source "board/hisilicon/poplar/Kconfig"
 source "board/imx31_phycore/Kconfig"
 source "board/isee/igep003x/Kconfig"
 source "board/phytec/pcm051/Kconfig"
-source "board/ppcag/bg0900/Kconfig"
-source "board/schulercontrol/sc_sps_1/Kconfig"
 source "board/silica/pengwyn/Kconfig"
 source "board/spear/spear300/Kconfig"
 source "board/spear/spear310/Kconfig"
@@ -1357,7 +1321,6 @@ source "board/tcl/sl50/Kconfig"
 source "board/birdland/bav335x/Kconfig"
 source "board/timll/devkit3250/Kconfig"
 source "board/toradex/colibri_pxa270/Kconfig"
-source "board/technologic/ts4600/Kconfig"
 source "board/vscom/baltos/Kconfig"
 source "board/woodburn/Kconfig"
 source "board/work-microwave/work_92105/Kconfig"

arch/arm/mach-imx/mxs/Kconfig

@@ -33,3 +33,46 @@ source "board/sandisk/sansa_fuze_plus/Kconfig"
 source "board/creative/xfi3/Kconfig"
 
 endif
+
+if ARCH_MX28
+
+config MX28
+	bool
+	default y
+
+choice
+	prompt "MX28 board select"
+	optional
+
+config TARGET_APX4DEVKIT
+	bool "Support apx4devkit"
+
+config TARGET_BG0900
+	bool "Support bg0900"
+
+config TARGET_M28EVK
+	bool "Support m28evk"
+
+config TARGET_MX28EVK
+	bool "Support mx28evk"
+	select BOARD_EARLY_INIT_F
+
+config TARGET_SC_SPS_1
+	bool "Support sc_sps_1"
+
+config TARGET_TS4600
+	bool "Support TS4600"
+
+endchoice
+
+config SYS_SOC
+	default "mxs"
+
+source "board/aries/m28evk/Kconfig"
+source "board/bluegiga/apx4devkit/Kconfig"
+source "board/freescale/mx28evk/Kconfig"
+source "board/ppcag/bg0900/Kconfig"
+source "board/schulercontrol/sc_sps_1/Kconfig"
+source "board/technologic/ts4600/Kconfig"
+
+endif

configs/apx4devkit_defconfig

@@ -1,8 +1,9 @@
 CONFIG_ARM=y
-CONFIG_TARGET_APX4DEVKIT=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_APX4DEVKIT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_BOOTDELAY=1
 CONFIG_VERSION_VARIABLE=y

configs/bg0900_defconfig

@@ -1,8 +1,9 @@
 CONFIG_ARM=y
-CONFIG_TARGET_BG0900=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_BG0900=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y

configs/m28evk_defconfig

@@ -1,8 +1,9 @@
 CONFIG_ARM=y
-CONFIG_TARGET_M28EVK=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_M28EVK=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_FIT=y
 CONFIG_BOOTDELAY=3

configs/mx28evk_auart_console_defconfig

@@ -1,8 +1,9 @@
 CONFIG_ARM=y
-CONFIG_TARGET_MX28EVK=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_MX28EVK=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SYS_EXTRA_OPTIONS="MXS_AUART,MXS_AUART_BASE=MXS_UARTAPP3_BASE"
 # CONFIG_CONSOLE_MUX is not set

configs/mx28evk_defconfig

@@ -1,8 +1,9 @@
 CONFIG_ARM=y
-CONFIG_TARGET_MX28EVK=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_MX28EVK=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_FIT=y
 # CONFIG_CONSOLE_MUX is not set

configs/mx28evk_nand_defconfig

@@ -1,8 +1,9 @@
 CONFIG_ARM=y
-CONFIG_TARGET_MX28EVK=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_MX28EVK=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y

configs/mx28evk_spi_defconfig

@@ -1,8 +1,9 @@
 CONFIG_ARM=y
-CONFIG_TARGET_MX28EVK=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_MX28EVK=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y

configs/sc_sps_1_defconfig

@@ -1,8 +1,9 @@
 CONFIG_ARM=y
-CONFIG_TARGET_SC_SPS_1=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_SC_SPS_1=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y

configs/ts4600_defconfig

@@ -1,7 +1,8 @@
 CONFIG_ARM=y
-CONFIG_TARGET_TS4600=y
+CONFIG_ARCH_MX28=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_TS4600=y
 CONFIG_FIT=y
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 # CONFIG_DISPLAY_CPUINFO is not set

include/configs/apx4devkit.h

@@ -15,7 +15,6 @@
 #define __CONFIGS_APX4DEVKIT_H__
 
 /* System configurations */
-#define CONFIG_MX28				/* i.MX28 SoC */
 #define CONFIG_MACH_TYPE	MACH_TYPE_APX4DEVKIT
 
 /* Memory configuration */

include/configs/bg0900.h

@@ -6,9 +6,6 @@
 #ifndef __CONFIGS_BG0900_H__
 #define __CONFIGS_BG0900_H__
 
-/* System configurations */
-#define CONFIG_MX28				/* i.MX28 SoC */
-
 /* Memory configuration */
 #define CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
 #define PHYS_SDRAM_1			0x40000000	/* Base address */

include/configs/m28evk.h

@@ -8,7 +8,6 @@
 #define __CONFIGS_M28EVK_H__
 
 /* System configurations */
-#define CONFIG_MX28				/* i.MX28 SoC */
 #define CONFIG_MACH_TYPE	MACH_TYPE_M28EVK
 
 #define CONFIG_TIMESTAMP		/* Print image info with timestamp */

include/configs/mx28evk.h

@@ -12,7 +12,6 @@
 #define __CONFIGS_MX28EVK_H__
 
 /* System configurations */
-#define CONFIG_MX28				/* i.MX28 SoC */
 #define CONFIG_MACH_TYPE	MACH_TYPE_MX28EVK
 
 /* Memory configuration */

include/configs/sc_sps_1.h

@@ -10,7 +10,6 @@
 #define __CONFIGS_SC_SPS_1_H__
 
 /* System configuration */
-#define CONFIG_MX28				/* i.MX28 SoC */
 #define CONFIG_MACH_TYPE	MACH_TYPE_SC_SPS_1
 
 /* U-Boot Commands */

include/configs/ts4600.h

@@ -14,9 +14,6 @@
 #ifndef __CONFIGS_TS4600_H__
 #define __CONFIGS_TS4600_H__
 
-/* System configurations */
-#define CONFIG_MX28				/* i.MX28 SoC */
-
 /* U-Boot Commands */
 
 /* Memory configuration */

scripts/config_whitelist.txt

@@ -1414,7 +1414,6 @@ CONFIG_MX25_HCLK_FREQ
 CONFIG_MX27
 CONFIG_MX27_CLK32
 CONFIG_MX27_TIMER_HIGH_PRECISION
-CONFIG_MX28
 CONFIG_MX28_FEC_MAC_IN_OCOTP
 CONFIG_MX31
 CONFIG_MX31_CLK32