board: add NUCLEO-F429ZI board support

Makefile

@@ -18,6 +18,8 @@ ifeq "$(CONFIG_BOARD_STM32F429DISCOVERY)" "y"
 BOARD ?= discoveryf429
 else ifeq "$(CONFIG_BOARD_NETDUINOPLUS2)" "y"
 BOARD ?= netduinoplus2
+else ifeq "$(CONFIG_BOARD_STM32F429NUCLEO)" "y"
+BOARD ?= nucleof429
 else
 BOARD ?= discoveryf4
 endif

README.md

@@ -55,7 +55,8 @@ with a focus on efficiency (performance and power consumption) and security
 F9 Microkernel supports the following boards:
 * [STM32F4DISCOVERY](https://www.st.com/en/evaluation-tools/stm32f4discovery.html)
 * [STM32F429I-DISC1](https://www.st.com/en/evaluation-tools/32f429idiscovery.html)
-  - Both are based on ARM Cortex-M4F core. F9 should work on any STM32F40x/STM32F429/STM32F439 microcontroller.
+* [NUCLEO-F429ZI](https://www.st.com/en/evaluation-tools/nucleo-f429zi.html)
+  - All supported boards are based on the ARM Cortex-M4F core. F9 should work on any STM32F40x/STM32F429/STM32F439 microcontroller.
 * Netduino Plus 2 (STM32F405RGT6)
   - Supported by upstream [QEMU for emulation](https://www.qemu.org/docs/master/system/arm/stm32.html), making it ideal for development and testing without hardware.
 
@@ -108,6 +109,17 @@ For STM32F429I-DISC1:
 | USART2 | PD5    | PD6    |
 | USART1 | PA9    | PA10   |
 
+For NUCLEO-F429ZI:
+
+| Port   | TX Pin | RX Pin |
+|--------|--------|--------|
+| USART3 | PD8    | PD9    |
+| USART2 | PD5    | PD6    |
+| USART1 | PB6    | PB7    |
+
+> **Note:** On the NUCLEO-F429ZI, `USART3` is connected to the on-board
+> **VCOM (Virtual COM Port)** provided by the ST-LINK.
+
 For Netduino Plus 2 under QEMU, the default configuration uses USART1, which
 QEMU routes to the console. Run with:
 

board/Kconfig

@@ -29,6 +29,12 @@ config BOARD_NETDUINOPLUS2
 	  Netduino Plus 2 board with STM32F405RGT6 MCU.
 	  This board is supported by upstream QEMU for emulation.
 
+config BOARD_STM32F429NUCLEO
+	bool "STM32F429 Nucleo"
+	select PLATFORM_STM32F429
+	help
+	  STM32F429 Nucleo board with STM32F429ZIT6 MCU.
+
 endchoice
 
 config QEMU

board/nucleof429/board.c

@@ -0,0 +1,32 @@
+/* Copyright (c) 2016 The F9 Microkernel Project. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <platform/stm32f429/gpio.h>
+#include <platform/stm32f429/usart.h>
+#include "board.h"
+
+struct usart_dev console_uart = {
+	.u_num = 3,
+	.baud = 115200,
+	BOARD_USART_CONFIGS
+	.tx = {
+		.port = BOARD_USART_TX_IO_PORT,
+		.pin = BOARD_USART_TX_IO_PIN,
+		.pupd = GPIO_PUPDR_NONE,
+		.type = GPIO_MODER_ALT,
+		.func = BOARD_USART_FUNC,
+		.o_type = GPIO_OTYPER_PP,
+		.speed = GPIO_OSPEEDR_50M,
+	},
+	.rx = {
+		.port = BOARD_USART_RX_IO_PORT,
+		.pin = BOARD_USART_RX_IO_PIN,
+		.pupd = GPIO_PUPDR_NONE,
+		.type = GPIO_MODER_ALT,
+		.func = BOARD_USART_FUNC,
+		.o_type = GPIO_OTYPER_PP,
+		.speed = GPIO_OSPEEDR_50M,
+	},
+};

board/nucleof429/board.h

@@ -0,0 +1,62 @@
+/* Copyright (c) 2016 The F9 Microkernel Project. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef NUCLEO_F429_BOARD_H_
+#define NUCLEO_F429_BOARD_H_
+
+#include <platform/stm32f429/registers.h>
+#include <platform/stm32f429/gpio.h>
+#include <platform/stm32f429/usart.h>
+#include <platform/stm32f429/nvic.h>
+#include <platform/stm32f429/systick.h>
+
+extern struct usart_dev console_uart;
+
+#if defined(CONFIG_DBGPORT_USE_USART1)
+
+#define BOARD_UART_DEVICE	USART1_IRQn
+#define BOARD_UART_HANDLER	USART1_HANDLER
+#define BOARD_USART_FUNC	af_usart1
+#define BOARD_USART_CONFIGS			\
+	.base = USART1_BASE,			\
+	.rcc_apbenr = RCC_USART1_APBENR,	\
+	.rcc_reset = RCC_APB2RSTR_USART1RST,
+#define BOARD_USART_TX_IO_PORT	GPIOB
+#define BOARD_USART_TX_IO_PIN	6
+#define BOARD_USART_RX_IO_PORT	GPIOB
+#define BOARD_USART_RX_IO_PIN	7
+
+
+#elif defined(CONFIG_DBGPORT_USE_USART2)
+
+#define BOARD_UART_DEVICE	USART2_IRQn
+#define BOARD_UART_HANDLER	USART2_HANDLER
+#define BOARD_USART_FUNC	af_usart2
+#define BOARD_USART_CONFIGS			\
+	.base = USART2_BASE,			\
+	.rcc_apbenr = RCC_USART2_APBENR,	\
+	.rcc_reset = RCC_APB1RSTR_USART2RST,
+#define BOARD_USART_TX_IO_PORT	GPIOD
+#define BOARD_USART_TX_IO_PIN	5
+#define BOARD_USART_RX_IO_PORT	GPIOD
+#define BOARD_USART_RX_IO_PIN	6
+
+#else	/* default: USART3 (ST-LINK virtual COM port on Nucleo-F429ZI) */
+
+#define BOARD_UART_DEVICE	USART3_IRQn
+#define BOARD_UART_HANDLER	USART3_HANDLER
+#define BOARD_USART_FUNC	af_usart3
+#define BOARD_USART_CONFIGS			\
+	.base = USART3_BASE,			\
+	.rcc_apbenr = RCC_USART3_APBENR,	\
+	.rcc_reset = RCC_APB1RSTR_USART3RST,
+#define BOARD_USART_TX_IO_PORT	GPIOD
+#define BOARD_USART_TX_IO_PIN	8
+#define BOARD_USART_RX_IO_PORT	GPIOD
+#define BOARD_USART_RX_IO_PIN	9
+
+#endif
+
+#endif	/* NUCLEO_F429_BOARD_H_ */

board/nucleof429/build.mk

@@ -0,0 +1,10 @@
+# Copyright (c) 2016 The F9 Microkernel Project. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+CHIP := stm32f429
+PLATFORM := stm32
+STM32_VARIANT := f4
+
+board-y = board.o
+loader-board-y = board.loader.o

board/nucleof429/defconfig

@@ -0,0 +1,9 @@
+CONFIG_BOARD_STM32F429NUCLEO=y
+CONFIG_DBGPORT_USE_USART3=y
+CONFIG_EXTI0_USER_IRQ=y
+CONFIG_EXTI1_USER_IRQ=y
+CONFIG_ETH_USER_IRQ=y
+CONFIG_BUILD_USER_APPS=y
+CONFIG_PINGPONG=y
+CONFIG_EXTI_INTERRUPT_TEST=y
+CONFIG_L4_TEST=y

kernel/memory.c

@@ -97,6 +97,14 @@ static mempool_t memmap[] = {
 	DECLARE_MEMPOOL("LCD_FRAME_BUFFER_2", 0xD00A0000, 0xD0140000,
 		MP_UR | MP_UW | MP_DEVICES, MPT_DEVICES),
 #endif
+#ifdef CONFIG_BOARD_STM32F429NUCLEO
+	DECLARE_MEMPOOL("APB2_3DEV", 0x40015000, 0x40015c00,
+		MP_UR | MP_UW | MP_DEVICES, MPT_DEVICES),
+	DECLARE_MEMPOOL("APB2_4DEV", 0x40016800, 0x40017900,
+		MP_UR | MP_UW | MP_DEVICES, MPT_DEVICES),
+	DECLARE_MEMPOOL("CR_PLLSAION_BB", 0x42470000, 0x42470c00,
+		MP_UR | MP_UW | MP_DEVICES, MPT_DEVICES),
+#endif
 };
 
 DECLARE_KTABLE(as_t, as_table, CONFIG_MAX_ADRESS_SPACES);

platform/Kconfig

@@ -42,6 +42,8 @@ config DBGPORT_USE_USART1
 	bool "USART1"
 config DBGPORT_USE_USART2
 	bool "USART2"
+config DBGPORT_USE_USART3
+	bool "USART3"
 config DBGPORT_USE_USART4
 	bool "USART4"
 

platform/stm32f429/Kconfig

@@ -112,7 +112,7 @@ config TIM1_CC_USER_IRQ
 	bool "TIM1_CC User IRQ"
 	default n
 
-config TIM2_USER_IRQ       
+config TIM2_USER_IRQ
 	bool "TIM2 User IRQ"
 	default n
 
@@ -180,7 +180,7 @@ config TIM8_UP_TIM13_USER_IRQ
 	bool "TIM8_UP_TIM13 User IRQ"
 	default n
 
-config TIM8_TRG_COM_TIM14_USER_IRQ 
+config TIM8_TRG_COM_TIM14_USER_IRQ
 	bool "TIM8_TRG_COM_TIM14 User IRQ"
 	default n
 

platform/stm32f429/build.mk

@@ -10,7 +10,7 @@ chip-y = \
 	ltdc.o \
 	dma2d.o \
 	i2c.o \
-	ioe.o 
+	ioe.o
 
 loader-chip-y = \
 	gpio.loader.o \