96 lines
3.3 KiB
C
96 lines
3.3 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2023 Arduino SA
|
|
*
|
|
* 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 <string.h>
|
|
#include "py/mphal.h"
|
|
#include "storage.h"
|
|
#include "sdram.h"
|
|
|
|
void GIGA_board_startup(void) {
|
|
}
|
|
|
|
void GIGA_board_early_init(void) {
|
|
HAL_InitTick(0);
|
|
|
|
#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE == 1
|
|
// The Arduino/mbed bootloader uses the MPU to protect sector 1
|
|
// which is used for the flash filesystem. The following code
|
|
// resets and disables all MPU regions configured in the bootloader.
|
|
HAL_MPU_Disable();
|
|
MPU_Region_InitTypeDef MPU_InitStruct;
|
|
MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
|
|
MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
|
|
MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
|
|
MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
|
|
MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL1;
|
|
MPU_InitStruct.SubRegionDisable = 0x00;
|
|
MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
|
|
|
|
for (int i = MPU_REGION_NUMBER0; i < MPU_REGION_NUMBER15; i++) {
|
|
MPU_InitStruct.Number = i;
|
|
MPU_InitStruct.Enable = MPU_REGION_DISABLE;
|
|
HAL_MPU_ConfigRegion(&MPU_InitStruct);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void GIGA_board_enter_bootloader(void) {
|
|
RTC_HandleTypeDef RTCHandle;
|
|
RTCHandle.Instance = RTC;
|
|
HAL_RTCEx_BKUPWrite(&RTCHandle, RTC_BKP_DR0, 0xDF59);
|
|
NVIC_SystemReset();
|
|
}
|
|
|
|
void GIGA_board_low_power(int mode) {
|
|
switch (mode) {
|
|
case 0: // Leave stop mode.
|
|
sdram_leave_low_power();
|
|
break;
|
|
case 1: // Enter stop mode.
|
|
sdram_enter_low_power();
|
|
break;
|
|
case 2: // Enter standby mode.
|
|
sdram_enter_power_down();
|
|
break;
|
|
}
|
|
|
|
#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE == 0
|
|
// Enable QSPI deepsleep for modes 1 and 2
|
|
mp_spiflash_deepsleep(&spi_bdev.spiflash, (mode != 0));
|
|
#endif
|
|
|
|
#if defined(M4_APP_ADDR)
|
|
// Signal Cortex-M4 to go to Standby mode.
|
|
if (mode == 2) {
|
|
__HAL_RCC_HSEM_CLK_ENABLE();
|
|
HAL_HSEM_FastTake(0);
|
|
HAL_HSEM_Release(0, 0);
|
|
__HAL_RCC_HSEM_CLK_DISABLE();
|
|
HAL_Delay(100);
|
|
}
|
|
#endif
|
|
}
|