board: Add support for nucleo-f411re

Add nucleo-f411re for testing STM32F411.
Fix registers.h to include F411 specific features.

TEST=Check uart,gpio works. Check BMI160 accel/gyro sensor works over
i2c
Install firmware with "make BOARD=nucleo-f411re flash"

BUG=b:38018926
BRANCH=none

Change-Id: I8514d1aa48e06708053e72f8d4be15738eda6cf4
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/249994
Reviewed-by: Alexandru M Stan <amstan@chromium.org>

6 files changed, 316 insertions, 0 deletions

diff --git a/board/nucleo-f411re/board.c b/board/nucleo-f411re/board.c
new file mode 100644
index 0000000000..6a8fc8e50c
--- /dev/null
+++ b/board/nucleo-f411re/board.c
@@ -0,0 +1,155 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+/* nucleo-f411re development board configuration */
+
+#include "adc.h"
+#include "adc_chip.h"
+#include "common.h"
+#include "console.h"
+#include "driver/accelgyro_bmi160.h"
+#include "ec_version.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "i2c.h"
+#include "motion_sense.h"
+
+#include "gpio.h"
+#include "registers.h"
+#include "task.h"
+#include "util.h"
+
+void user_button_evt(enum gpio_signal signal)
+{
+	ccprintf("Button %d, %d!\n", signal, gpio_get_level(signal));
+}
+
+#include "gpio_list.h"
+
+/* Initialize board. */
+static void board_init(void)
+{
+	gpio_enable_interrupt(GPIO_USER_BUTTON_L);
+
+	/* No power control yet */
+	/* Go to S3 state */
+	hook_notify(HOOK_CHIPSET_STARTUP);
+
+	/* Go to S0 state */
+	hook_notify(HOOK_CHIPSET_RESUME);
+}
+DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
+
+/* ADC channels */
+const struct adc_t adc_channels[] = {
+	/* Arduino connectors analog pins */
+	[ADC1_0] = {"ADC1_0",  3000, 4096, 0, STM32_AIN(0)},
+	[ADC1_1] = {"ADC1_1",  3000, 4096, 0, STM32_AIN(1)},
+	[ADC1_4] = {"ADC1_4",  3000, 4096, 0, STM32_AIN(4)},
+	[ADC1_8] = {"ADC1_8",  3000, 4096, 0, STM32_AIN(8)},
+};
+BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
+
+/* I2C ports */
+const struct i2c_port_t i2c_ports[] = {
+	{"master", I2C_PORT_MASTER, 100,
+	 GPIO_MASTER_I2C_SCL, GPIO_MASTER_I2C_SDA},
+};
+
+const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
+
+/* Base Sensor mutex */
+static struct mutex g_base_mutex;
+
+struct bmi160_drv_data_t g_bmi160_data;
+
+struct motion_sensor_t motion_sensors[] = {
+	[BASE_ACCEL] = {
+	 .name = "Base Accel",
+	 .active_mask = SENSOR_ACTIVE_S0_S3,
+	 .chip = MOTIONSENSE_CHIP_BMI160,
+	 .type = MOTIONSENSE_TYPE_ACCEL,
+	 .location = MOTIONSENSE_LOC_BASE,
+	 .drv = &bmi160_drv,
+	 .mutex = &g_base_mutex,
+	 .drv_data = &g_bmi160_data,
+	 .port = I2C_PORT_ACCEL,
+	 .addr = BMI160_ADDR0,
+	 .rot_standard_ref = NULL,
+	 .default_range = 2,  /* g, enough for laptop. */
+	 .config = {
+		 /* AP: by default use EC settings */
+		 [SENSOR_CONFIG_AP] = {
+			.odr = 0,
+			.ec_rate = 0,
+		 },
+		 /* EC use accel for angle detection */
+		 [SENSOR_CONFIG_EC_S0] = {
+			.odr = 10000 | ROUND_UP_FLAG,
+			.ec_rate = 100 * MSEC,
+		 },
+		 /* Sensor on for lid angle detection */
+		 [SENSOR_CONFIG_EC_S3] = {
+			.odr = 10000 | ROUND_UP_FLAG,
+			.ec_rate = 100 * MSEC,
+		 },
+		 /* Sensor off in S5 */
+		 [SENSOR_CONFIG_EC_S5] = {
+			.odr = 0,
+			.ec_rate = 0
+		 },
+	 },
+	},
+
+	[BASE_GYRO] = {
+	 .name = "Base Gyro",
+	 .active_mask = SENSOR_ACTIVE_S0_S3,
+	 .chip = MOTIONSENSE_CHIP_BMI160,
+	 .type = MOTIONSENSE_TYPE_GYRO,
+	 .location = MOTIONSENSE_LOC_BASE,
+	 .drv = &bmi160_drv,
+	 .mutex = &g_base_mutex,
+	 .drv_data = &g_bmi160_data,
+	 .port = I2C_PORT_ACCEL,
+	 .addr = BMI160_ADDR0,
+	 .default_range = 1000, /* dps */
+	 .rot_standard_ref = NULL,
+	 .config = {
+		 /* AP: by default shutdown all sensors */
+		 [SENSOR_CONFIG_AP] = {
+			.odr = 0,
+			.ec_rate = 0,
+		 },
+		 /* EC does not need in S0 */
+		 [SENSOR_CONFIG_EC_S0] = {
+			.odr = 0,
+			.ec_rate = 0,
+		 },
+		 /* Sensor off in S3/S5 */
+		 [SENSOR_CONFIG_EC_S3] = {
+			.odr = 0,
+			.ec_rate = 0,
+		 },
+		 /* Sensor off in S3/S5 */
+		 [SENSOR_CONFIG_EC_S5] = {
+			.odr = 0,
+			.ec_rate = 0,
+		 },
+	 },
+	},
+};
+const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+
+#ifdef CONFIG_DMA_HELP
+#include "dma.h"
+int command_dma_help(int argc, char **argv)
+{
+	dma_dump(STM32_DMA2_STREAM0);
+	dma_test(STM32_DMA2_STREAM0);
+	dma_dump(STM32_DMA2_STREAM0);
+	return EC_SUCCESS;
+}
+DECLARE_CONSOLE_COMMAND(dmahelp, command_dma_help,
+			NULL, "Run DMA test");
+#endif
diff --git a/board/nucleo-f411re/board.h b/board/nucleo-f411re/board.h
new file mode 100644
index 0000000000..0a8dcc6ba8
--- /dev/null
+++ b/board/nucleo-f411re/board.h
@@ -0,0 +1,76 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Nucleo-F411RE development board configuration */
+
+#ifndef __BOARD_H
+#define __BOARD_H
+
+/* 84 MHz CPU/AHB/APB2 clock frequency (APB1 = 42 Mhz) */
+#define CPU_CLOCK 84000000
+#define CONFIG_FLASH_WRITE_SIZE STM32_FLASH_WRITE_SIZE_3300
+
+
+/* the UART console is on USART2 (PA2/PA3) */
+#undef CONFIG_UART_CONSOLE
+#define CONFIG_UART_CONSOLE 2
+
+/* Optional features */
+#undef CONFIG_LID_SWITCH
+#undef CONFIG_HIBERNATE
+#define CONFIG_STM_HWTIMER32
+#define CONFIG_WATCHDOG_HELP
+#define CONFIG_TASK_PROFILING
+
+#undef CONFIG_ADC
+#define CONFIG_DMA_HELP
+#define CONFIG_I2C
+
+#undef CONFIG_UART_RX_DMA
+#define CONFIG_UART_TX_DMA_CH STM32_DMAS_USART2_TX
+#define CONFIG_UART_RX_DMA_CH STM32_DMAS_USART2_RX
+#define CONFIG_UART_TX_REQ_CH STM32_REQ_USART2_TX
+#define CONFIG_UART_RX_REQ_CH STM32_REQ_USART2_RX
+
+#define CONFIG_ACCELGYRO_BMI160
+#define CONFIG_CMD_ACCELS
+#define CONFIG_CMD_ACCEL_INFO
+#define CONFIG_CMD_FLASH
+
+/* I2C ports configuration */
+#define CONFIG_I2C_MASTER
+#define CONFIG_I2C_DEBUG
+#define I2C_PORT_MASTER 1
+#define I2C_PORT_SLAVE 0        /* needed for DMAC macros (ugh) */
+#define I2C_PORT_ACCEL I2C_PORT_MASTER
+
+#ifndef __ASSEMBLER__
+
+/* Timer selection */
+#define TIM_CLOCK32 2
+#define TIM_WATCHDOG 11
+
+#define CONFIG_WP_ALWAYS
+
+/* ADC signal */
+enum adc_channel {
+	ADC1_0 = 0,
+	ADC1_1,
+	ADC1_4,
+	ADC1_8,
+	/* Number of ADC channels */
+	ADC_CH_COUNT
+};
+
+enum sensor_id {
+	BASE_ACCEL = 0,
+	BASE_GYRO,
+};
+
+#include "gpio_signal.h"
+
+#endif /* !__ASSEMBLER__ */
+
+#endif /* __BOARD_H */
diff --git a/board/nucleo-f411re/build.mk b/board/nucleo-f411re/build.mk
new file mode 100644
index 0000000000..3a5fc28558
--- /dev/null
+++ b/board/nucleo-f411re/build.mk
@@ -0,0 +1,12 @@
+# Copyright 2015 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Board specific files build
+
+# the IC is STmicro STM32F411RE
+CHIP:=stm32
+CHIP_FAMILY:=stm32f4
+CHIP_VARIANT:=stm32f411
+
+board-y=board.o
diff --git a/board/nucleo-f411re/ec.tasklist b/board/nucleo-f411re/ec.tasklist
new file mode 100644
index 0000000000..52135d97f8
--- /dev/null
+++ b/board/nucleo-f411re/ec.tasklist
@@ -0,0 +1,23 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/**
+ * List of enabled tasks in the priority order
+ *
+ * The first one has the lowest priority.
+ *
+ * For each task, use the macro TASK_ALWAYS(n, r, d, s) for base tasks and
+ * TASK_NOTEST(n, r, d, s) for tasks that can be excluded in test binaries,
+ * where :
+ * 'n' in the name of the task
+ * 'r' in the main routine of the task
+ * 'd' in an opaque parameter passed to the routine at startup
+ * 's' is the stack size in bytes; must be a multiple of 8
+ */
+#define CONFIG_TASK_LIST \
+	TASK_ALWAYS(HOOKS, hook_task, NULL, LARGER_TASK_STACK_SIZE) \
+	TASK_NOTEST(HOSTCMD, host_command_task, NULL, TASK_STACK_SIZE) \
+	TASK_NOTEST(MOTIONSENSE, motion_sense_task, NULL, TASK_STACK_SIZE) \
+	TASK_ALWAYS(CONSOLE, console_task, NULL, LARGER_TASK_STACK_SIZE)
diff --git a/board/nucleo-f411re/gpio.inc b/board/nucleo-f411re/gpio.inc
new file mode 100644
index 0000000000..83a9e51a08
--- /dev/null
+++ b/board/nucleo-f411re/gpio.inc
@@ -0,0 +1,31 @@
+/* -*- mode:c -*-
+ *
+ * Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Interrupts */
+GPIO_INT(USER_BUTTON_L,   PIN(C, 13), GPIO_INT_BOTH, user_button_evt)
+
+/* User LED */
+GPIO(USER_LED,            PIN(A,  5), GPIO_OUT_LOW)
+
+GPIO(BMI160_INT2_L,       PIN(C, 10), GPIO_OUT_LOW)
+/*
+ * I2C pins should be configured as inputs until I2C module is
+ * initialized. This will avoid driving the lines unintentionally.
+ */
+GPIO(MASTER_I2C_SCL,      PIN(B, 10), GPIO_INPUT)
+GPIO(MASTER_I2C_SDA,      PIN(B,  3), GPIO_INPUT)
+GPIO(SLAVE_I2C_SCL,       PIN(B,  8), GPIO_INPUT)
+GPIO(SLAVE_I2C_SDA,       PIN(B,  9), GPIO_INPUT)
+
+UNIMPLEMENTED(ENTERING_RW)
+UNIMPLEMENTED(WP_L)
+
+ALTERNATE(PIN_MASK(A, 0x000C), GPIO_ALT_USART,  MODULE_UART, GPIO_PULL_UP) /* USART2: PA2/PA3 */
+ALTERNATE(PIN_MASK(B, 0x0400), GPIO_ALT_I2C,    MODULE_I2C,  0) /* I2C MASTER:PB10 */
+ALTERNATE(PIN_MASK(B, 0x0008), GPIO_ALT_I2C_23, MODULE_I2C,  0) /* I2C MASTER:PB3 */
+ALTERNATE(PIN_MASK(B, 0x0200), GPIO_ALT_I2C,    MODULE_I2C,  0) /* I2C SLAVE:PB9 */
+ALTERNATE(PIN_MASK(B, 0x0100), GPIO_ALT_I2C,    MODULE_I2C,  0) /* I2C SLAVE:PB8 */
diff --git a/board/nucleo-f411re/openocd-flash.cfg b/board/nucleo-f411re/openocd-flash.cfg
new file mode 100644
index 0000000000..7a6ea6316c
--- /dev/null
+++ b/board/nucleo-f411re/openocd-flash.cfg
@@ -0,0 +1,19 @@
+# Copyright 2016 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+source [find board/st_nucleo_f4.cfg]
+
+# For flashing, force the board into reset on connect, this ensures that
+# code running on the core can't interfere with programming.
+reset_config connect_assert_srst
+
+gdb_port 0
+tcl_port 0
+telnet_port 0
+init
+reset init
+flash write_image erase unlock $BUILD_DIR/ec.bin 0x08000000
+reset halt
+resume
+shutdown