arm: V2M Musca B1: Add Musca B1 SoC and board support

Musca B1 is a Cortex-M33 based SoC.

Signed-off-by: Karl Zhang <karl.zhang@linaro.org>

boards/arm/v2m_musca_b1/CMakeLists.txt

@@ -0,0 +1,9 @@
+#
+# Copyright (c) 2019 Linaro Limited
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+zephyr_library()
+zephyr_library_sources(pinmux.c)
+zephyr_library_include_directories(${PROJECT_SOURCE_DIR}/drivers)

boards/arm/v2m_musca_b1/Kconfig.board

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+#
+# Copyright (c) 2019 Linaro Limited
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+config BOARD_MUSCA_B1
+	bool "ARM Cortex-M33 SMM on V2M-MUSCA"
+	depends on SOC_SERIES_MUSCA_B1

boards/arm/v2m_musca_b1/Kconfig.defconfig

@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2019 Linaro Limited
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+if BOARD_MUSCA_B1
+
+if TRUSTED_EXECUTION_SECURE || !TRUSTED_EXECUTION_NONSECURE
+
+config BOARD
+	default "musca_b1"
+
+endif
+
+if TRUSTED_EXECUTION_NONSECURE
+
+config BOARD
+	default "musca_b1_nonsecure"
+
+endif
+
+
+if SERIAL
+
+config UART_PL011
+	def_bool y
+
+config UART_INTERRUPT_DRIVEN
+	def_bool y
+
+config UART_PL011_PORT0
+	def_bool y
+
+config UART_PL011_PORT1
+	def_bool y
+
+endif # SERIAL
+
+endif