board_beetle: Add support for ARM V2M Beetle Board

Add board support for ARM V2M Beetle platform.

ARM V2M Beetle board is build around the ARM Beetle Cortex-M3
based processor.

The support has been tested in nanokernel mode with the bringup
application that will be pushed with a future patch.

Jira: ZEP-1245
Change-Id: Ib05a40c072f10149e692283177387cf2cfe32f66
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@linaro.org>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>

MAINTAINERS

@@ -144,6 +144,11 @@ M:	Ricardo Salveti <ricardo.salveti@linaro.org>
 S:	Supported
 F:	boards/arm/nucleo_f401re/
 
+BOARDS/ARM - ARM LTD V2M Beetle
+M:	Vincenzo Frascino <vincenzo.frascino@linaro.org>
+S:	Supported
+F:	boards/arm/v2m_beetle/
+
 BOARDS/NIOS2 - ALTERA MAX10
 M:	Andrew Boie <andrew.p.boie@intel.com>
 S:	Supported

boards/arm/v2m_beetle/Kconfig.board

@@ -0,0 +1,22 @@
+# Kconfig - ARM V2M Beetle Board configuration options
+
+#
+# Copyright (c) 2016 Linaro Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# V2M (V2 = Versatile Express, M = Motherboard)
+config BOARD_V2M_BEETLE
+	bool "ARM V2M Beetle Board"
+	depends on SOC_BEETLE_R0

boards/arm/v2m_beetle/Kconfig.defconfig

@@ -0,0 +1,73 @@
+# Kconfig - ARM V2M Beetle Board configuration options
+
+#
+# Copyright (c) 2016 Linaro Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+if BOARD_V2M_BEETLE
+
+config BOARD
+	default v2m_beetle
+
+if GPIO
+
+config GPIO_CMSDK_AHB
+	def_bool y
+
+config GPIO_CMSDK_AHB_PORT0
+	def_bool y
+
+config GPIO_CMSDK_AHB_PORT1
+	def_bool y
+
+config GPIO_CMSDK_AHB_PORT2
+	def_bool y
+
+config GPIO_CMSDK_AHB_PORT3
+	def_bool y
+
+endif # GPIO
+
+if PINMUX
+
+config PINMUX_BEETLE
+	def_bool y
+
+if PINMUX_DEV
+
+config PINMUX_DEV_ARM_V2M_BEETLE
+	def_bool y
+
+endif # PINMUX_DEV
+
+endif # PINMUX
+
+if SERIAL
+
+config UART_CMSDK_APB
+	def_bool y
+
+config UART_CMSDK_APB_PORT0
+	def_bool y
+
+config UART_CMSDK_APB_PORT1
+	def_bool y
+
+config UART_INTERRUPT_DRIVEN
+	def_bool y
+
+endif # SERIAL
+
+endif # BOARD_V2M_BEETLE

boards/arm/v2m_beetle/Makefile

@@ -0,0 +1,21 @@
+# Makefile - ARM V2M Beetle Board build options
+
+#
+# Copyright (c) 2016 Linaro Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Trick the build system into generating built-in.o even though there
+# are no C files (yet) to compile
+obj- += dummy.o

boards/arm/v2m_beetle/board.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2016 Linaro Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __INC_BOARD_H
+#define __INC_BOARD_H
+
+#include <soc.h>
+
+#endif /* __INC_BOARD_H */

boards/arm/v2m_beetle/v2m_beetle_defconfig

@@ -0,0 +1,38 @@
+# defconfig - ARM V2M Beetle Board configuration options
+
+#
+# Copyright (c) 2016 Linaro Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+CONFIG_ARM=y
+CONFIG_SOC_FAMILY_ARM=y
+CONFIG_SOC_BEETLE_R0=y
+CONFIG_SOC_SERIES_BEETLE=y
+CONFIG_BOARD_V2M_BEETLE=y
+CONFIG_CORTEX_M_SYSTICK=y
+# 24MHz system clock
+CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=24000000
+
+# GPIOs
+CONFIG_GPIO=y
+
+# PinMuxing
+CONFIG_PINMUX=y
+
+# Serial
+CONFIG_CONSOLE=y
+CONFIG_SERIAL=y
+CONFIG_UART_CONSOLE=y
+CONFIG_UART_CONSOLE_ON_DEV_NAME="UART_1"

scripts/sanity_chk/arches/arm.ini

@@ -4,8 +4,8 @@ platforms = qemu_cortex_m3 frdm_k64f arduino_due nucleo_f103rb stm32_mini_a15
             olimexino_stm32 96b_nitrogen nrf52_pca10040 hexiwear_k64
             nrf51_pca10028 nucleo_f401re 96b_carbon nrf51_blenano
             arduino_101_ble cc3200_launchxl quark_se_c1000_ble bbc_microbit
+            v2m_beetle
 supported_toolchains = zephyr gccarmemb
 
 [qemu_cortex_m3]
 qemu_support = true
-