stm32/boards/STM32F469DISC: Add new board definition files.

Signed-off-by: Mike Tolkachev <contact@miketolkachev.dev>

ports/stm32/boards/STM32F469DISC/bdev.c

@@ -0,0 +1,45 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2025 Mike Tolkachev <contact@miketolkachev.dev>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "storage.h"
+#include "qspi.h"
+
+#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
+static mp_spiflash_cache_t spi_bdev_cache;
+#endif
+
+// External SPI flash uses QSPI interface
+const mp_spiflash_config_t spiflash_config = {
+    .bus_kind = MP_SPIFLASH_BUS_QSPI,
+    .bus.u_qspi.data = NULL,
+    .bus.u_qspi.proto = &qspi_proto,
+    #if MICROPY_HW_SPIFLASH_ENABLE_CACHE
+    .cache = &spi_bdev_cache,
+    #endif
+};
+
+// SPI flash device instance
+spi_bdev_t spi_bdev;

ports/stm32/boards/STM32F469DISC/board_init.c

@@ -0,0 +1,44 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2025 Mike Tolkachev <contact@miketolkachev.dev>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/mphal.h"
+#include "storage.h"
+#include "boardctrl.h"
+#include "qspi.h"
+
+// Micron N25Q128A13EF840F of original STM32F469I-DISCO board
+static const mp_spiflash_chip_params_t chip_params_n25q128a13ef840f = {
+    .jedec_id = 0, // Not used for detection
+    .memory_size_bytes_log2 = MICROPY_HW_QSPIFLASH_SIZE_BITS_LOG2,
+    .qspi_prescaler = MICROPY_HW_QSPI_PRESCALER,
+    .qread_num_dummy = MICROPY_HW_QSPIFLASH_DUMMY_CYCLES
+};
+
+// Early board initialization hook called before file system is mounted
+void STM32F469DISC_board_early_init(void) {
+    // Initialize QSPI flash device parameters
+    MICROPY_HW_BDEV_SPIFLASH->spiflash.chip_params = &chip_params_n25q128a13ef840f;
+}

ports/stm32/boards/STM32F469DISC/mpconfigboard.h

@@ -0,0 +1,133 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2025 Mike Tolkachev <contact@miketolkachev.dev>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// This board is configured to communicate over USB port, not ST-Link
+
+#define MICROPY_HW_BOARD_NAME       "F469DISC"
+#define MICROPY_HW_MCU_NAME         "STM32F469"
+
+// Use external QSPI flash for storage by default
+#define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (0)
+
+#define MICROPY_HW_HAS_SWITCH       (1)
+#define MICROPY_HW_HAS_FLASH        (1)
+#define MICROPY_HW_ENABLE_RNG       (1)
+#define MICROPY_HW_ENABLE_RTC       (1)
+#define MICROPY_HW_ENABLE_DAC       (1)
+#define MICROPY_HW_ENABLE_USB       (1)
+#define MICROPY_HW_ENABLE_SDCARD    (1)
+
+#define MICROPY_BOARD_EARLY_INIT    STM32F469DISC_board_early_init
+void STM32F469DISC_board_early_init(void);
+
+// QSPI flash storage configuration
+#if !BUILDING_MBOOT
+#define MICROPY_HW_SPIFLASH_ENABLE_CACHE    (1)
+#endif
+#define MICROPY_HW_SPIFLASH_SOFT_RESET      (1)
+#define MICROPY_HW_SPIFLASH_SIZE_BITS       (128 * 1024 * 1024)
+#define MICROPY_HW_SPIFLASH_CHIP_PARAMS     (1) // enable extended parameters
+#define MICROPY_HW_QSPI_PRESCALER           (3)
+#define MICROPY_HW_QSPIFLASH_DUMMY_CYCLES   (4)
+#define MICROPY_HW_QSPIFLASH_SIZE_BITS_LOG2 (27)
+#define MICROPY_HW_QSPIFLASH_CS             (pyb_pin_QSPI_CS)
+#define MICROPY_HW_QSPIFLASH_SCK            (pyb_pin_QSPI_CLK)
+#define MICROPY_HW_QSPIFLASH_IO0            (pyb_pin_QSPI_D0)
+#define MICROPY_HW_QSPIFLASH_IO1            (pyb_pin_QSPI_D1)
+#define MICROPY_HW_QSPIFLASH_IO2            (pyb_pin_QSPI_D2)
+#define MICROPY_HW_QSPIFLASH_IO3            (pyb_pin_QSPI_D3)
+
+// QSPI flash block device configuration
+extern const struct _mp_spiflash_config_t spiflash_config;
+extern struct _spi_bdev_t spi_bdev;
+#define MICROPY_HW_BDEV_SPIFLASH    (&spi_bdev)
+#define MICROPY_HW_BDEV_SPIFLASH_CONFIG (&spiflash_config)
+#define MICROPY_HW_BDEV_SPIFLASH_SIZE_BYTES (MICROPY_HW_SPIFLASH_SIZE_BITS / 8)
+#define MICROPY_HW_BDEV_SPIFLASH_EXTENDED (&spi_bdev) // for extended block protocol
+
+// HSE is 8MHz
+#define MICROPY_HW_CLK_PLLM (8)
+#define MICROPY_HW_CLK_PLLN (336)
+#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
+#define MICROPY_HW_CLK_PLLQ (7)
+
+#define MICROPY_HW_FLASH_LATENCY    FLASH_LATENCY_6
+
+// UART config
+#define MICROPY_HW_UART3_NAME       "YB"
+#define MICROPY_HW_UART3_TX         (pin_B10)
+#define MICROPY_HW_UART3_RX         (pin_B11)
+#define MICROPY_HW_UART6_NAME       "YA"
+#define MICROPY_HW_UART6_TX         (pin_G14)
+#define MICROPY_HW_UART6_RX         (pin_G9)
+#define MICROPY_HW_UART2_NAME       "UART2"
+#define MICROPY_HW_UART2_TX         (pin_A2) // Needed to enable AF
+#define MICROPY_HW_UART2_RX         (pin_A3) // Dummy, not routed on PCB
+#define MICROPY_HW_UART2_CK         (pin_A4)
+
+// I2C buses
+#define MICROPY_HW_I2C1_SCL         (pin_B8)
+#define MICROPY_HW_I2C1_SDA         (pin_B9)
+
+// SPI
+#define MICROPY_HW_SPI2_NSS         (pin_B9)
+#define MICROPY_HW_SPI2_SCK         (pin_D3)
+#define MICROPY_HW_SPI2_MISO        (pin_B14)
+#define MICROPY_HW_SPI2_MOSI        (pin_B15)
+
+// CAN buses
+#define MICROPY_HW_CAN1_TX          (pin_B9)
+#define MICROPY_HW_CAN1_RX          (pin_B8)
+
+// USRSW is pulled low. Pressing the button makes the input go high.
+#define MICROPY_HW_USRSW_PIN        (pin_A0)
+#define MICROPY_HW_USRSW_PULL       (GPIO_NOPULL)
+#define MICROPY_HW_USRSW_EXTI_MODE  (GPIO_MODE_IT_RISING)
+#define MICROPY_HW_USRSW_PRESSED    (1)
+
+// LEDs
+#define MICROPY_HW_LED1             (pin_G6) // green
+#define MICROPY_HW_LED2             (pin_D4) // orange
+#define MICROPY_HW_LED3             (pin_D5) // red
+#define MICROPY_HW_LED4             (pin_K3) // blue
+#define MICROPY_HW_LED_ON(pin)      (mp_hal_pin_low(pin))
+#define MICROPY_HW_LED_OFF(pin)     (mp_hal_pin_high(pin))
+
+// SD Card SDMMC
+#define MICROPY_HW_SDCARD_CK               (pin_C12)
+#define MICROPY_HW_SDCARD_CMD              (pin_D2)
+#define MICROPY_HW_SDCARD_D0               (pin_C8)
+#define MICROPY_HW_SDCARD_D1               (pin_C9)
+#define MICROPY_HW_SDCARD_D2               (pin_C10)
+#define MICROPY_HW_SDCARD_D3               (pin_C11)
+#define MICROPY_HW_SDCARD_DETECT_PIN       (pin_G2)
+#define MICROPY_HW_SDCARD_DETECT_PULL      (GPIO_PULLUP)
+#define MICROPY_HW_SDCARD_DETECT_PRESENT   (GPIO_PIN_RESET)
+
+// USB config
+#define MICROPY_HW_USB_FS (1)
+#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_A9)
+#define MICROPY_HW_USB_OTG_ID_PIN      (pin_A10)

ports/stm32/boards/STM32F469DISC/mpconfigboard.mk

@@ -0,0 +1,20 @@
+# MCU settings
+MCU_SERIES = f4
+CMSIS_MCU = STM32F469xx
+MICROPY_FLOAT_IMPL = double
+AF_FILE = boards/stm32f479_af.csv
+
+ifeq ($(USE_MBOOT),1)
+# When using Mboot all the text goes together after the filesystem
+LD_FILES = boards/stm32f469xi.ld boards/common_blifs.ld
+TEXT0_ADDR = 0x08020000
+else
+# When not using Mboot the ISR text goes first, then the rest after the filesystem
+LD_FILES = boards/stm32f469xi.ld boards/common_ifs.ld
+TEXT0_ADDR = 0x08000000
+TEXT1_ADDR = 0x08020000
+endif
+
+# MicroPython settings
+MICROPY_PY_SSL = 1
+MICROPY_SSL_MBEDTLS = 1

ports/stm32/boards/STM32F469DISC/pins.csv

@@ -0,0 +1,135 @@
+A0,PB1
+A1,PC2
+A2,PC3
+A3,PC4
+A4,PC5
+A5,PA4
+D0,PG9
+D1,PG14
+D2,PG13
+D3,PA1
+D4,PG12
+D5,PA2
+D6,PA6
+D7,PG11
+D8,PG10
+D9,PA7
+D10,PH6
+D11,PB15
+D12,PB14
+D13,PD3
+D14,PB9
+D15,PB8
+LED1,PG6
+LED2,PD4
+LED3,PD5
+LED4,PK3
+SW,PA0
+TP1,PH2
+TP2,PI8
+TP3,PH15
+AUDIO_INT,PD6
+AUDIO_SDA,PH8
+AUDIO_SCL,PH7
+EXT_SDA,PB9
+EXT_SCL,PB8
+EXT_RST,PG3
+SD_D0,PC8
+SD_D1,PC9
+SD_D2,PC10
+SD_D3,PC11
+SD_CK,PC12
+SD_CMD,PD2
+SD_SW,PC2
+LCD_BL_CTRL,PK3
+LCD_INT,PI13
+LCD_SDA,PH8
+LCD_SCL,PH7
+OTG_FS_POWER,PD5
+OTG_FS_OVER_CURRENT,PD4
+OTG_HS_OVER_CURRENT,PE3
+USB_VBUS,PA9
+USB_ID,PA10
+USB_DM,PA11
+USB_DP,PA12
+USB_HS_CLK,PA5
+USB_HS_STP,PC0
+USB_HS_NXT,PH4
+USB_HS_DIR,PI11
+USB_HS_D0,PA3
+USB_HS_D1,PB0
+USB_HS_D2,PB1
+USB_HS_D3,PB10
+USB_HS_D4,PB11
+USB_HS_D5,PB12
+USB_HS_D6,PB13
+USB_HS_D7,PB5
+UART1_TX,PB10
+UART1_RX,PB11
+UART6_TX,PG14
+UART6_RX,PG9
+CAN2_TX,PB13
+CAN2_RX,PB12
+QSPI_CS,PB6
+QSPI_CLK,PF10
+QSPI_D0,PF8
+QSPI_D1,PF9
+QSPI_D2,PF7
+QSPI_D3,PF6
+FMC_SDCKE0,PH2
+FMC_SDNE0,PH3
+FMC_SDCLK,PG8
+FMC_SDNCAS,PG15
+FMC_SDNRAS,PF11
+FMC_SDNWE,PH5
+FMC_BA0,PG4
+FMC_BA1,PG5
+FMC_NBL0,PE0
+FMC_NBL1,PE1
+FMC_NBL2,PI4
+FMC_NBL3,PI5
+FMC_A0,PF0
+FMC_A1,PF1
+FMC_A2,PF2
+FMC_A3,PF3
+FMC_A4,PF4
+FMC_A5,PF5
+FMC_A6,PF12
+FMC_A7,PF13
+FMC_A8,PF14
+FMC_A9,PF15
+FMC_A10,PG0
+FMC_A11,PG1
+FMC_A12,PG2
+FMC_D0,PD14
+FMC_D1,PD15
+FMC_D2,PD0
+FMC_D3,PD1
+FMC_D4,PE7
+FMC_D5,PE8
+FMC_D6,PE9
+FMC_D7,PE10
+FMC_D8,PE11
+FMC_D9,PE12
+FMC_D10,PE13
+FMC_D11,PE14
+FMC_D12,PE15
+FMC_D13,PD8
+FMC_D14,PD9
+FMC_D15,PD10
+FMC_D16,PH8
+FMC_D17,PH9
+FMC_D18,PH10
+FMC_D19,PH11
+FMC_D20,PH12
+FMC_D21,PH13
+FMC_D22,PH14
+FMC_D23,PH15
+FMC_D24,PI0
+FMC_D25,PI1
+FMC_D26,PI2
+FMC_D27,PI3
+FMC_D28,PI6
+FMC_D29,PI7
+FMC_D30,PI9
+FMC_D31,PI10

ports/stm32/boards/STM32F469DISC/stm32f4xx_hal_conf.h

@@ -0,0 +1,41 @@
+/* This file is part of the MicroPython project, http://micropython.org/
+ * The MIT License (MIT)
+ * Copyright (c) 2025 Mike Tolkachev <contact@miketolkachev.dev>
+ */
+
+#ifndef MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H
+#define MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H
+
+// Oscillator values in Hz
+#define HSE_VALUE (8000000)
+#define LSE_VALUE (32768)
+#define EXTERNAL_CLOCK_VALUE (12288000)
+
+// Oscillator timeouts in ms
+#define HSE_STARTUP_TIMEOUT (100)
+#define LSE_STARTUP_TIMEOUT (5000)
+
+#define HAL_DMA2D_MODULE_ENABLED
+#define HAL_LTDC_MODULE_ENABLED
+#define HAL_QSPI_MODULE_ENABLED
+#define HAL_DSI_MODULE_ENABLED
+
+#include "boards/stm32f4xx_hal_conf_base.h"
+
+#ifdef HAL_DMA2D_MODULE_ENABLED
+#include "stm32f4xx_hal_dma2d.h"
+#endif /* HAL_DMA2D_MODULE_ENABLED */
+
+#ifdef HAL_LTDC_MODULE_ENABLED
+#include "stm32f4xx_hal_ltdc.h"
+#endif /* HAL_LTDC_MODULE_ENABLED */
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+#include "stm32f4xx_hal_qspi.h"
+#endif /* HAL_QSPI_MODULE_ENABLED */
+
+#ifdef HAL_DSI_MODULE_ENABLED
+#include "stm32f4xx_hal_dsi.h"
+#endif /* HAL_DSI_MODULE_ENABLED */
+
+#endif // MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H