M74.9: add placeholer for future port (#4924)

firmware/config/boards/m74_9/board.c

@@ -0,0 +1,11 @@
+/**
+ * @file boards/m74_9/board.c
+ *
+ * @date Jan 01, 2023
+ * @author Andrey Gusakov, 2023
+ */
+
+/* this is empty file. Keep it to avoid using board.c file from $(CHIBIOS)/os/hal/boards/ST_STM32F4_DISCOVERY
+ * that is added to build by ports/stm32/stm32f4/hw_ports.m
+ * as we need our own boardInit()
+ * boardInit() is defined in board_configuration.cpp */

firmware/config/boards/m74_9/board.mk

@@ -0,0 +1,15 @@
+# List of all the board related files.
+BOARDCPPSRC = $(PROJECT_DIR)/config/boards/m74_9/board_configuration.cpp
+BOARDINC = $(PROJECT_DIR)/config/boards/m74_9
+
+DDEFS += -DLED_CRITICAL_ERROR_BRAIN_PIN=Gpio::G14
+
+# This is an F429!
+IS_STM32F429 = yes
+
+# This board has no storage
+DDEFS += -DEFI_FILE_LOGGING=FALSE
+USE_FATFS = no
+
+DDEFS += -DFIRMWARE_ID=\"m74_9\"
+DDEFS += -DDEFAULT_ENGINE_TYPE=MINIMAL_PINS

firmware/config/boards/m74_9/board_configuration.cpp

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+
+#include "pch.h"
+#include "smart_gpio.h"
+#include "drivers/gpio/l9779.h"
+
+void setBoardConfigOverrides() {
+	// PB14 is error LED, configured in board.mk
+	// blue, LD2
+	engineConfiguration->communicationLedPin = Gpio::B7;
+	// green, LD1
+	engineConfiguration->runningLedPin = Gpio::B0;
+
+	// Board only has 3 LEDs
+	engineConfiguration->warningLedPin = Gpio::Unassigned;
+}
+
+void preHalInit() {
+	// leftovers from Nucleo board...
+	efiSetPadMode("Ethernet",  Gpio::A1, PAL_MODE_ALTERNATE(0xb));
+	efiSetPadMode("Ethernet",  Gpio::A2, PAL_MODE_ALTERNATE(0xb));
+	efiSetPadMode("Ethernet",  Gpio::A7, PAL_MODE_ALTERNATE(0xb));
+
+	efiSetPadMode("Ethernet", Gpio::B13, PAL_MODE_ALTERNATE(0xb));
+
+	efiSetPadMode("Ethernet",  Gpio::C1, PAL_MODE_ALTERNATE(0xb));
+	efiSetPadMode("Ethernet",  Gpio::C4, PAL_MODE_ALTERNATE(0xb));
+	efiSetPadMode("Ethernet",  Gpio::C5, PAL_MODE_ALTERNATE(0xb));
+
+	efiSetPadMode("Ethernet", Gpio::G11, PAL_MODE_ALTERNATE(0xb));
+	efiSetPadMode("Ethernet", Gpio::G13, PAL_MODE_ALTERNATE(0xb));
+}
+
+static struct l9779_config l9779_cfg = {
+	.spi_bus = &SPID1,
+	.spi_config = {
+		.circular = false,
+		.end_cb = NULL,
+		.ssport = NULL,
+		.sspad = 0,
+		.cr1 =
+			SPI_CR1_16BIT_MODE |
+			SPI_CR1_SSM |
+			SPI_CR1_SSI |
+			SPI_CR1_LSBFIRST |	//LSB first
+			((3 << SPI_CR1_BR_Pos) & SPI_CR1_BR) |	// div = 16
+			SPI_CR1_MSTR |
+			SPI_CR1_CPHA |
+			0,
+		.cr2 = SPI_CR2_16BIT_MODE
+	},
+	.direct_gpio = {
+		/* ignition pre-dirvers */
+		[0] = {.port = NULL, .pad = 0},
+		[1] = {.port = NULL, .pad = 0},
+		[2] = {.port = NULL, .pad = 0},
+		[3] = {.port = NULL, .pad = 0},
+		/* IN1 .. IN7 */
+		[4] = {.port = NULL, .pad = 0},
+		[5] = {.port = NULL, .pad = 0},
+		[6] = {.port = NULL, .pad = 0},
+		[7] = {.port = NULL, .pad = 0},
+		[8] = {.port = NULL, .pad = 0},
+		[9] = {.port = NULL, .pad = 0},
+		[10] = {.port = NULL, .pad = 0},
+	},
+	/* PWM signal */
+	.pwm_gpio = {.port = NULL, .pad = 0}
+};
+
+static void board_init_ext_gpios()
+{
+	int ret;
+
+	ret = l9779_add(Gpio::L9779_IGN_1, 0, &l9779_cfg);
+	if (ret < 0) {
+		/* error */
+	}
+}
+
+/**
+ * @brief Board-specific initialization code.
+ * @todo  Add your board-specific code, if any.
+ */
+void boardInit(void)
+{
+	board_init_ext_gpios();
+}

firmware/config/boards/m74_9/compile_m74_9.sh

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+#!/bin/bash
+
+# STM32F4...
+
+SCRIPT_NAME="compile_m74_9.sh"
+echo "Entering $SCRIPT_NAME"
+
+bash ../common_make.sh m74_9 ARCH_STM32F4

firmware/config/boards/m74_9/efifeatures.h

@@ -0,0 +1,14 @@
+/**
+ * @file boards/m74_9/efifeatures.h
+ *
+ * @brief In this header we can override efifeatures.h.
+ *
+ * @date Jan 01, 2023
+ * @author Andrey Gusakov, 2023
+ */
+
+/* Override some settings */
+#define HAL_USE_MMC_SPI FALSE
+#define EFI_FILE_LOGGING FALSE
+
+#include "../../stm32f4ems/efifeatures.h"

firmware/config/boards/m74_9/halconf.h

@@ -0,0 +1,19 @@
+/**
+ * @file boards/m74_9/halconf.h
+ *
+ * @brief In this header we can override halconf.h.
+ *
+ * @date Jan 01, 2023
+ * @author Andrey Gusakov, 2023
+ */
+
+#ifndef _HALCONF_M74_9_H_
+#define _HALCONF_M74_9_H_
+
+#define HAL_USE_SDC                     FALSE
+
+#define HAL_USE_MMC_SPI                 FALSE
+
+#include "../../../hw_layer/ports/stm32/stm32f4/cfg/halconf.h"
+
+#endif /* _HALCONF_M74_9_H_ */