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xiaozhengsheng
2025-08-19 09:49:41 +08:00
parent 10f1ddf1c1
commit 6df0f7d96e
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components/libraries/bootloader/nrf_bootloader_info.c Normal file
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/**
* Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "nrf_bootloader_info.h"
#include "nrf_dfu_types.h"
#include "nrf_nvmc.h"
#define UICR_BOOTLOADER_ADDR 0x10001014
/** @brief This variable ensures that the linker script will write the bootloader start address
* to the UICR register. This value will be written in the HEX file and thus written to
* UICR when the bootloader is flashed into the chip.
*/
#if defined (__CC_ARM )
#pragma push
#pragma diag_suppress 1296
uint32_t m_uicr_bootloader_start_address __attribute__((at(UICR_BOOTLOADER_ADDR)))
= BOOTLOADER_START_ADDR;
#pragma pop
#elif defined ( __GNUC__ ) || defined ( __SES_ARM )
volatile uint32_t m_uicr_bootloader_start_address __attribute__ ((section(".uicr_bootloader_start_address")))
= BOOTLOADER_START_ADDR;
#elif defined ( __ICCARM__ )
__root const uint32_t m_uicr_bootloader_start_address @ UICR_BOOTLOADER_ADDR
= BOOTLOADER_START_ADDR;
#endif
void nrf_bootloader_mbr_addrs_populate(void)
{
if (*(const uint32_t *)MBR_BOOTLOADER_ADDR == 0xFFFFFFFF)
{
nrf_nvmc_write_word(MBR_BOOTLOADER_ADDR, BOOTLOADER_START_ADDR);
}
if (*(const uint32_t *)MBR_PARAM_PAGE_ADDR == 0xFFFFFFFF)
{
nrf_nvmc_write_word(MBR_PARAM_PAGE_ADDR, NRF_MBR_PARAMS_PAGE_ADDRESS);
}
}
void nrf_bootloader_debug_port_disable(void)
{
if (NRF_UICR->APPROTECT != 0x0)
{
nrf_nvmc_write_word((uint32_t)&NRF_UICR->APPROTECT, 0x0);
NVIC_SystemReset();
}
#if (!defined (NRF52810_XXAA) && !defined (NRF52811_XXAA) && !defined (NRF52832_XXAA) && !defined (NRF52832_XXAB))
if (NRF_UICR->DEBUGCTRL != 0x0)
{
nrf_nvmc_write_word((uint32_t)&NRF_UICR->DEBUGCTRL, 0x0);
NVIC_SystemReset();
}
#endif
}