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