boards/nucleo_f103rb: add new board

Add configuration for Nucleo-64 F103RB board. By default, the UART
console is forwarded to USART2, available on STLink V2-1 USB
connector. All GPIO ports available on the connecot headers are
enabled.

Change-Id: I266170d1288ef27f668410c5737c46cdf716e137
Origin: Original
Signed-off-by: Maciek Borzecki <maciek.borzecki@gmail.com>

boards/nucleo_f103rb/Kconfig

@@ -0,0 +1,23 @@
+# Kconfig - NUCLEO-64 F103RB board configuration
+#
+# Copyright (c) 2016 Open-RnD Sp. z o.o.
+#
+# 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_NUCLEO_F103RB
+
+config BOARD
+	default nucleo_f103rb
+
+endif # BOARD_NUCLEO_F103RB

boards/nucleo_f103rb/Kconfig.board

@@ -0,0 +1,20 @@
+# Kconfig - NUCLEO-64 F103RB board configuration
+#
+# Copyright (c) 2016 Open-RnD Sp. z o.o.
+#
+# 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  BOARD_NUCLEO_F103RB
+	bool "NUCLEO-64 F103RB Development Board"
+	depends on SOC_STM32F103RB

boards/nucleo_f103rb/Makefile

@@ -0,0 +1,5 @@
+ccflags-y += -I$(srctree)/include/drivers
+ccflags-y += -I$(srctree)/drivers
+asflags-y := ${ccflags-y}
+
+obj-y += board.o

boards/nucleo_f103rb/board.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2016 Open-RnD Sp. z o.o.
+ *
+ * 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.
+ */
+
+#include <pinmux/pinmux_stm32.h>
+
+/* pin assignments for NUCLEO-F103RB board */
+static const struct pin_config pinconf[] = {
+#ifdef CONFIG_UART_STM32_PORT_0
+	{STM32_PIN_PA9,  STM32F1_PINMUX_FUNC_PA9_USART1_TX},
+	{STM32_PIN_PA10, STM32F1_PINMUX_FUNC_PA10_USART1_RX},
+#endif	/* CONFIG_UART_STM32_PORT_0 */
+#ifdef CONFIG_UART_STM32_PORT_1
+	{STM32_PIN_PA2, STM32F1_PINMUX_FUNC_PA2_USART2_TX},
+	{STM32_PIN_PA3, STM32F1_PINMUX_FUNC_PA3_USART2_RX},
+#endif	/* CONFIG_UART_STM32_PORT_1 */
+#ifdef CONFIG_UART_STM32_PORT_2
+	{STM32_PIN_PB10, STM32F1_PINMUX_FUNC_PB10_USART3_TX},
+	{STM32_PIN_PB11, STM32F1_PINMUX_FUNC_PB11_USART3_RX},
+#endif	/* CONFIG_UART_STM32_PORT_2 */
+};
+
+const struct pin_config *stm32_board_get_pinconf(size_t *pins)
+{
+	*pins = ARRAY_SIZE(pinconf);
+
+	return pinconf;
+}

boards/nucleo_f103rb/board.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2015 Intel Corporation
+ *
+ * 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/nucleo_f103rb/nucleo_f103rb_defconfig

@@ -0,0 +1,41 @@
+CONFIG_ARM=y
+CONFIG_BOARD_NUCLEO_F103RB=y
+CONFIG_SOC_STM32=y
+CONFIG_SOC_STM32F1X=y
+CONFIG_SOC_STM32F103RB=y
+CONFIG_CORTEX_M_SYSTICK=y
+# 36MHz system clock
+CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=36000000
+
+# enable uart driver
+CONFIG_SERIAL=y
+CONFIG_UART_STM32=y
+# enable USART2 - passthrough to STLINK v2 connector
+CONFIG_UART_STM32_PORT_1=y
+CONFIG_UART_STM32_PORT_1_BAUD_RATE=9600
+# enable console on this port by default
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+CONFIG_UART_CONSOLE_ON_DEV_NAME="UART_1"
+
+# enable pinmux
+CONFIG_PINMUX=y
+CONFIG_PINMUX_BASE=0
+CONFIG_PINMUX_STM32=y
+
+# enable GPIO ports A, B, C
+CONFIG_GPIO=y
+CONFIG_GPIO_STM32=y
+CONFIG_GPIO_STM32_PORTA=y
+CONFIG_GPIO_STM32_PORTB=y
+CONFIG_GPIO_STM32_PORTC=y
+
+# configure clocks to get 36MHz on APB1 and APB2
+CONFIG_CLOCK_CONTROL=y
+CONFIG_CLOCK_CONTROL_STM32F10X=y
+CONFIG_CLOCK_STM32F10X_SYSCLK_SRC_PLL=y
+CONFIG_CLOCK_STM32F10X_PLL_SRC_HSI=y
+CONFIG_CLOCK_STM32F10X_PLL_MULTIPLIER=9
+CONFIG_CLOCK_STM32F10X_AHB_PRESCALER=0
+CONFIG_CLOCK_STM32F10X_APB1_PRESCALER=0
+CONFIG_CLOCK_STM32F10X_APB2_PRESCALER=0