stm32: move stm32 specific code to mach-stm32

This patch moves stm32 sources at one place, with this armv7m now contains
only generic stuff.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>

arch/arm/Kconfig

@@ -702,8 +702,8 @@ config ARCH_UNIPHIER
 	  Support for UniPhier SoC family developed by Socionext Inc.
 	  (formerly, System LSI Business Division of Panasonic Corporation)
 
-config TARGET_STM32F429_DISCOVERY
-	bool "Support STM32F429 Discovery"
+config STM32
+	bool "Support STM32"
 	select CPU_V7M
 	select DM
 	select DM_SERIAL
@@ -762,6 +762,8 @@ source "arch/arm/mach-s5pc1xx/Kconfig"
 
 source "arch/arm/mach-socfpga/Kconfig"
 
+source "arch/arm/mach-stm32/Kconfig"
+
 source "arch/arm/mach-tegra/Kconfig"
 
 source "arch/arm/mach-uniphier/Kconfig"
@@ -836,7 +838,6 @@ source "board/spear/spear310/Kconfig"
 source "board/spear/spear320/Kconfig"
 source "board/spear/spear600/Kconfig"
 source "board/spear/x600/Kconfig"
-source "board/st/stm32f429-discovery/Kconfig"
 source "board/st/stv0991/Kconfig"
 source "board/sunxi/Kconfig"
 source "board/syteco/zmx25/Kconfig"

arch/arm/Makefile

@@ -56,6 +56,7 @@ machine-$(CONFIG_ORION5X)		+= orion5x
 machine-$(CONFIG_ARCH_S5PC1XX)		+= s5pc1xx
 machine-$(CONFIG_ARCH_SOCFPGA)		+= socfpga
 machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
+machine-$(CONFIG_STM32)			+= stm32
 machine-$(CONFIG_TEGRA)			+= tegra
 machine-$(CONFIG_ARCH_UNIPHIER)		+= uniphier
 machine-$(CONFIG_ARCH_ZYNQ)		+= zynq

arch/arm/cpu/armv7m/Makefile

@@ -7,6 +7,3 @@
 
 extra-y := start.o
 obj-y += cpu.o
-
-obj-$(CONFIG_STM32F1) += stm32f1/
-obj-$(CONFIG_STM32F4) += stm32f4/

arch/arm/mach-stm32/Kconfig

@@ -0,0 +1,12 @@
+if STM32
+
+config STM32F4
+	bool "stm32f4 family"
+
+config STM32F1
+	bool "stm32f1 family"
+
+source "arch/arm/mach-stm32/stm32f4/Kconfig"
+source "arch/arm/mach-stm32/stm32f1/Kconfig"
+
+endif

arch/arm/mach-stm32/Makefile

@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-$(CONFIG_STM32F1) += stm32f1/
+obj-$(CONFIG_STM32F4) += stm32f4/

arch/arm/mach-stm32/stm32f1/Kconfig

@@ -0,0 +1,3 @@
+if STM32F1
+
+endif

arch/arm/mach-stm32/stm32f4/Kconfig

@@ -0,0 +1,8 @@
+if STM32F4
+
+config TARGET_STM32F429_DISCOVERY
+	bool "STM32F429 Discovery board"
+
+source "board/st/stm32f429-discovery/Kconfig"
+
+endif

configs/stm32f429-discovery_defconfig

@@ -1,4 +1,6 @@
 CONFIG_ARM=y
+CONFIG_STM32=y
+CONFIG_STM32F4=y
 CONFIG_TARGET_STM32F429_DISCOVERY=y
 CONFIG_SYS_PROMPT="U-Boot > "
 # CONFIG_CMD_SETEXPR is not set

include/configs/stm32f429-discovery.h

@@ -8,7 +8,6 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
-#define CONFIG_STM32F4
 #define CONFIG_SYS_THUMB_BUILD
 #define CONFIG_STM32F4DISCOVERY