/*
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* Copyright (c) 2020-2025 Shanghai Panchip Microelectronics Co.,Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "soc_api.h"
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#include "app_log.h"
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#include "signal_slot_manager.h"
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#include "uart_dfu.h"
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#include "usb_dfu.h"
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#include "flash_manager.h"
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#include "prf_ota.h"
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static void on_image_load_enter(void)
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{
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APP_LOG_INFO("Try to move image from App Backup Partition to App Partition..\n");
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fm_image_move(FLASH_AREA_BACK_UP_START, FLASH_AREA_IMAGE_START);
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}
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static void boot_cleanup(void)
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{
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/* Mask all IRQs */
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__disable_irq();
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/* Reset specific hardware modules used in signal.c */
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sig_hardware_recovery();
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/* Reset all hw peripheral modules except eFuse and GPIO */
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CLK->IPRST0 = 0x1CC;
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CLK->IPRST0 = 0x0;
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CLK->IPRST1 = 0x17FFF;
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CLK->IPRST1 = 0x0;
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/* Disable all IRQs and clear all pending IRQs on NVIC before running into app */
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NVIC->ICER[0U] = 0xFFFFFFFF;
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NVIC->ICPR[0U] = 0xFFFFFFFF;
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// Do a short flash read operation here to avoid risk of APP flash x4 mode
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// switch fail in specific scenario (Workaround #5663)
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FMC_ReadByte(FLCTL, 0x0, CMD_DREAD);
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// Disable I-cache here, and would enable again in APP SystemInit flow
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CR->X_CACHE_EN = 0x00;
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}
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static void jump_to_app(void)
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{
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void (*app_init)();
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uint32_t msp = *(volatile uint32_t*)(FLASH_AREA_IMAGE_START + APP_IMG_HEADER_SIZE);
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uint32_t addr = *(uint32_t*)(FLASH_AREA_IMAGE_START + APP_IMG_HEADER_SIZE + 4);
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app_init = (void(*)())(uint32_t*)addr;
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FLCTL->X_FL_REMAP_ADDR = FLASH_AREA_IMAGE_START + APP_IMG_HEADER_SIZE; /* fmc remap */
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__set_MSP(msp);
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app_init();
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}
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int main(void)
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{
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APP_LOG("\nBootloader in..\n\n");
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/* when checking backup image is valid, the on_image_load_enter function will be handled */
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ss_connect(0, sig_back_up_is_completed_image, on_image_load_enter);
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#if BOOT_ENABLE_UART_DFU
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/* when detecting key1 down, the on_uart_dfu_enter function will be handled */
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ss_connect(1, sig_key1_push_down, on_uart_dfu_enter);
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#endif
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#if BOOT_ENABLE_USB_DFU
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/* when dectecting key2 down, the on_usb_dfu_enter function will be handled */
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ss_connect(2, sig_key2_push_down, on_usb_dfu_enter);
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#endif
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#if BOOT_ENABLE_PRF_OTA
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/* when receive a ota start packet, the on_prf_ota_enter function will be handled */
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ss_connect(3, sig_ota_start_received, on_prf_ota_enter);
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#endif
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/* handle all of events related signal fuction*/
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ss_events_handle();
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#if APP_LOG_EN
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APP_LOG_INFO("Clean up and try to jump into app image..\n");
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APP_LOG_INFO("- app partition start addr: 0x%x\n", FLASH_AREA_IMAGE_START);
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APP_LOG_INFO("- app partition size : 0x%x\n", FLASH_IMAGE_MAX_SIZE);
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APP_LOG_INFO("- app image header size : 0x%x\n\n", APP_IMG_HEADER_SIZE);
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soc_busy_wait(10000); // Wait for print done
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#endif
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/*
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* Reset hardware modules possible used in bootloader, and clear other configurations
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* (such as IRQs) before running into app.
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*/
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boot_cleanup();
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/* Now let's try to find app image and jump into the entry of it */
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jump_to_app();
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return 0;
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}
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