77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
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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) 2018-2019 Damien P. George
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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 <string.h>
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#include "py/mphal.h"
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#include "storage.h"
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#if defined(STM32F722xx) || defined(STM32F723xx) || defined(STM32F732xx) || defined(STM32F733xx)
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#define OTP_ADDR (0x1ff079e0)
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#else
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#define OTP_ADDR (0x1ff0f3c0)
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#endif
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#define OTP ((pyb_otp_t*)OTP_ADDR)
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typedef struct _pyb_otp_t {
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uint16_t series;
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uint16_t rev;
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uint8_t mac[6];
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} pyb_otp_t;
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void mboot_board_early_init(void) {
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// Enable 500mA on WBUS-DIP28
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mp_hal_pin_config(pyb_pin_W23, MP_HAL_PIN_MODE_INPUT, MP_HAL_PIN_PULL_UP, 0);
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}
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void board_early_init(void) {
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// Configure EN_3V3 as an output pin, but keep it turned off
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mp_hal_pin_config(pyb_pin_EN_3V3, MP_HAL_PIN_MODE_OUTPUT, MP_HAL_PIN_PULL_NONE, 0);
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// Explicitly init SPI2 because it's not enabled as a block device
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spi_bdev_ioctl(&spi_bdev2, BDEV_IOCTL_INIT, (uint32_t)&spiflash2_config);
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}
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#if !BUILDING_MBOOT
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void board_sleep(int value) {
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mp_spiflash_deepsleep(&spi_bdev.spiflash, value);
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mp_spiflash_deepsleep(&spi_bdev2.spiflash, value);
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}
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void mp_hal_get_mac(int idx, uint8_t buf[6]) {
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// Check if OTP region has a valid MAC address, and use it if it does
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if (OTP->series == 0x00d1 && OTP->mac[0] == 'H' && OTP->mac[1] == 'J' && OTP->mac[2] == '0') {
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memcpy(buf, OTP->mac, 6);
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buf[5] += idx;
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return;
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}
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// Generate a random locally administered MAC address (LAA)
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mp_hal_generate_laa_mac(idx, buf);
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}
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#endif
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