mirror of
https://github.com/zephyrproject-rtos/zephyr
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ef935898d0
This commit adds support for the nrf52840_pca10059 board. The flash partitions are configured to allow migrating from the stock bootloader to MCUBoot. Signed-off-by: Emanuele Di Santo <emdi@nordicsemi.no>
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*
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* Copyright (c) 2018 Nordic Semiconductor ASA.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <init.h>
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#include <board.h>
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#include <nrf_power.h>
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static int board_nrf52840_pca10059_init(struct device *dev)
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{
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ARG_UNUSED(dev);
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/* if the nrf52840_pca10059 board is powered from USB
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* (high voltage mode), GPIO output voltage is set to 1.8 volts by
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* default and that is not enough to turn the green and blue LEDs on.
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* Increase GPIO voltage to 3.0 volts.
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*/
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if ((nrf_power_mainregstatus_get() == NRF_POWER_MAINREGSTATUS_HIGH) &&
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((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) ==
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(UICR_REGOUT0_VOUT_DEFAULT << UICR_REGOUT0_VOUT_Pos))) {
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NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos;
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while (NRF_NVMC->READY == NVMC_READY_READY_Busy) {
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;
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}
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NRF_UICR->REGOUT0 =
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(NRF_UICR->REGOUT0 & ~((uint32_t)UICR_REGOUT0_VOUT_Msk)) |
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(UICR_REGOUT0_VOUT_3V0 << UICR_REGOUT0_VOUT_Pos);
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NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos;
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while (NRF_NVMC->READY == NVMC_READY_READY_Busy) {
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;
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}
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/* a reset is required for changes to take effect */
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NVIC_SystemReset();
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}
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return 0;
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}
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SYS_INIT(board_nrf52840_pca10059_init, PRE_KERNEL_1,
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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