8000 stm32/boards: Add support for Arduino Portenta H7. · micropython/micropython@3fe61a5 · GitHub
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stm32/boards: Add support for Arduino Portenta H7.
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‎ports/stm32/boards/ARDUINO_PORTENTA_H7/bdev.c

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2022 Arduino SA
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "storage.h"
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#include "qspi.h"
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#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
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// Shared cache for first and second SPI block devices
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STATIC mp_spiflash_cache_t spi_bdev_cache;
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#endif
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// First external SPI flash uses hardware QSPI interface
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const mp_spiflash_config_t spiflash_config = {
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.bus_kind = MP_SPIFLASH_BUS_QSPI,
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.bus.u_qspi.data = NULL,
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.bus.u_qspi.proto = &qspi_proto,
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#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
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.cache = &spi_bdev_cache,
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#endif
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};
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spi_bdev_t spi_bdev;

‎ports/stm32/boards/ARDUINO_PORTENTA_H7/board.json

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{
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"deploy": [
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"./deploy.md"
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],
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"docs": "",
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"features": [
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"8MB SDRAM",
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"16MB Flash",
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"Dual-core processor",
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"USB High Speed Phy",
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"10/100 Ethernet Phy",
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"CYW43 WiFi/BT Module",
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"DisplayPort over USB-C",
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"2x80 pin HD connectors"
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],
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"images": [
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"ABX00042_01.iso_1000x750.jpg"
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],
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"mcu": "STM32H747",
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"product": "Arduino Portenta H7",
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"thumbnail": "",
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"url": "https://store.arduino.cc/products/portenta-h7",
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"vendor": "Arduino"
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}

‎ports/stm32/boards/ARDUINO_PORTENTA_H7/board_init.c

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2022 Arduino SA
< 3372 /td>7+
*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "py/mphal.h"
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#include "storage.h"
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#include "sdram.h"
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#include "eth.h"
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#if MICROPY_HW_USB_HS_ULPI3320
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#include "ulpi.h"
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#endif
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#define PORTENTA_PMIC_ERRATA (1)
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void PORTENTA_board_startup(void) {
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}
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void PORTENTA_board_early_init(void) {
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HAL_InitTick(0);
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// Enable oscillator pin
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// This is enabled in the bootloader anyway.
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PORTENTA_board_osc_enable(true);
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#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
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// The Arduino/mbed bootloader uses the MPU to protect sector 1
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// which is used for the flash filesystem. The following code
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// resets and disables all MPU regions configured in the bootloader.
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HAL_MPU_Disable();
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MPU_Region_InitTypeDef MPU_InitStruct;
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MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
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MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
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MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
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MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
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MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL1;
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MPU_InitStruct.SubRegionDisable = 0x00;
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MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
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for (int i = MPU_REGION_NUMBER0; i < MPU_REGION_NUMBER15; i++) {
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MPU_InitStruct.Number = i;
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MPU_InitStruct.Enable = MPU_REGION_DISABLE;
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HAL_MPU_ConfigRegion(&MPU_InitStruct);
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}
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#endif
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#if PORTENTA_PMIC_ERRATA
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// PMIC SW1 current limit fix
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// Configure PMIC I2C GPIOs
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mp_hal_pin_config(pyb_pin_I2C1_SCL, MP_HAL_PIN_MODE_ALT_OPEN_DRAIN, MP_HAL_PIN_PULL_NONE, GPIO_AF4_I2C1);
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mp_hal_pin_config_speed(pyb_pin_I2C1_SCL, MP_HAL_PIN_SPEED_LOW);
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mp_hal_pin_config(pyb_pin_I2C1_SDA, MP_HAL_PIN_MODE_ALT_OPEN_DRAIN, MP_HAL_PIN_PULL_NONE, GPIO_AF4_I2C1);
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mp_hal_pin_config_speed(pyb_pin_I2C1_SDA, MP_HAL_PIN_SPEED_LOW);
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// Configure PMIC I2C
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I2C_HandleTypeDef i2c;
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i2c.Instance = I2C1;
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i2c.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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i2c.Init.Timing = 0x20D09DE7;
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i2c.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
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i2c.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
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i2c.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
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i2c.Init.OwnAddress1 = 0xFE;
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i2c.Init.OwnAddress2 = 0xFE;
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i2c.Init.OwnAddress2Masks = 0;
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__HAL_RCC_I2C1_CLK_ENABLE();
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__HAL_RCC_I2C1_FORCE_RESET();
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__HAL_RCC_I2C1_RELEASE_RESET();
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HAL_I2C_Init(&i2c);
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// Set SW1 current limit to 1.5A
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// Fixes power glitches with Eth and SDRAM.
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uint8_t buf[] = {0x36, 0x02};
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HAL_I2C_Master_Transmit(&i2c, 0x08 << 1, buf, 2, 1000);
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HAL_I2C_DeInit(&i2c);
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__HAL_RCC_I2C1_FORCE_RESET();
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__HAL_RCC_I2C1_RELEASE_RESET();
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__HAL_RCC_I2C1_CLK_DISABLE();
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
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__HAL_RCC_GPIOB_CLK_DISABLE();
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#endif // PORTENTA_PMIC_ERRATA
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// Reset ETH Phy
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mp_hal_pin_config(pyb_pin_ETH_RST, MP_HAL_PIN_MODE_OUTPUT, MP_HAL_PIN_PULL_UP, 0);
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mp_hal_pin_config_speed(pyb_pin_ETH_RST, MP_HAL_PIN_SPEED_LOW);
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mp_hal_pin_write(pyb_pin_ETH_RST, 0);
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HAL_Delay(100);
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mp_hal_pin_write(pyb_pin_ETH_RST, 1);
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// Put Eth in low-power mode
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eth_init(&eth_instance, MP_HAL_MAC_ETH0);
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eth_low_power_mode(&eth_instance, true);
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#if MICROPY_HW_USB_HS_ULPI3320
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// Make sure UPLI is Not in low-power mode.
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ulpi_leave_low_power();
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#endif
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}
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void PORTENTA_reboot_to_bootloader(void) {
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RTC_HandleTypeDef RTCHandle;
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RTCHandle.Instance = RTC;
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HAL_RTCEx_BKUPWrite(&RTCHandle, RTC_BKP_DR0, 0xDF59);
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NVIC_SystemReset();
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}
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void PORTENTA_board_osc_enable(int enable) {
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mp_hal_pin_config(pyb_pin_OSCEN, MP_HAL_PIN_MODE_OUTPUT, MP_HAL_PIN_PULL_UP, 0);
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mp_hal_pin_config_speed(pyb_pin_OSCEN, MP_HAL_PIN_SPEED_LOW);
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mp_hal_pin_write(pyb_pin_OSCEN, enable);
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}
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void PORTENTA_board_low_power(int mode) {
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switch (mode) {
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case 0: // Leave stop mode.
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#if MICROPY_HW_USB_HS_ULPI3320
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ulpi_leave_low_power();
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#endif
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eth_low_power_mode(NULL, false);
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sdram_leave_low_power();
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break;
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case 1: // Enter stop mode.
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#if MICROPY_HW_USB_HS_ULPI3320
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ulpi_enter_low_power();
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#endif
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eth_low_power_mode(NULL, true);
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sdram_enter_low_power();
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break;
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case 2: // Enter standby mode.
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#if MICROPY_HW_USB_HS_ULPI3320
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ulpi_enter_low_power();
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#endif
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eth_low_power_mode(NULL, true);
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sdram_enter_power_down();
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break;
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}
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#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
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// Enable QSPI deepsleep for modes 1 and 2
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mp_spiflash_deepsleep(&spi_bdev.spiflash, (mode != 0));
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#endif
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#if defined(M4_APP_ADDR)
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// Signal Cortex-M4 to go to Standby mode.
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if (mode == 2) {
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__HAL_RCC_HSEM_CLK_ENABLE();
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HAL_HSEM_FastTake(0);
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HAL_HSEM_Release(0, 0);
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__HAL_RCC_HSEM_CLK_DISABLE();
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HAL_Delay(100);
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}
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#endif
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}

‎ports/stm32/boards/ARDUINO_PORTENTA_H7/deploy.md

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### Via dfu-util
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This board can programmed via DFU bootloader, using e.g. [dfu-util](http://dfu-util.sourceforge.net/). To enter the DFU bootloader, double tap the reset (blue) button, or you can use `machine.bootloader()` from the MicroPython REPL.
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```bash
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dfu-util -w -d 2341:035b -a 0 -d 0x8040000 -D firmware.dfu
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```
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Or from Micropython source repository:
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```bash
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make BOARD=ARDUINO_PORTENTA_H7 deploy
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```

‎ports/stm32/boards/ARDUINO_PORTENTA_H7/manifest.py

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include("$(PORT_DIR)/boards/manifest.py")
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include("$(MPY_DIR)/extmod/webrepl/manifest.py")
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include(
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"$(MPY_LIB_DIR)/micropython/bluetooth/aioble/manifest.py",
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client=True,
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central=True,
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l2cap=True,
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security=True,
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)

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