fcaa259e22
NMI_INIT() is now a no-op, so remove it from all SoC code. Also remove the irq lock/unlock pattern as it was likely a cause of copy&paste when NMI_INIT() was called. Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
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* Copyright (c) 2021 Nordic Semiconductor ASA
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* Copyright (c) 2021 Yonatan Schachter
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief System/hardware module for Raspberry Pi RP2040 family processor
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*
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* This module provides routines to initialize and support board-level hardware
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* for the Raspberry Pi RP2040 family processor.
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*/
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#include <stdio.h>
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#include <zephyr/kernel.h>
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#include <zephyr/init.h>
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#include <zephyr/logging/log.h>
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#include <zephyr/fatal.h>
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#include <hardware/regs/resets.h>
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#include <hardware/clocks.h>
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#include <hardware/resets.h>
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LOG_MODULE_REGISTER(soc, CONFIG_SOC_LOG_LEVEL);
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static int rp2040_init(void)
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{
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reset_block(~(RESETS_RESET_IO_QSPI_BITS | RESETS_RESET_PADS_QSPI_BITS |
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RESETS_RESET_PLL_USB_BITS | RESETS_RESET_PLL_SYS_BITS));
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unreset_block_wait(RESETS_RESET_BITS &
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~(RESETS_RESET_ADC_BITS | RESETS_RESET_RTC_BITS |
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RESETS_RESET_SPI0_BITS | RESETS_RESET_SPI1_BITS |
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RESETS_RESET_UART0_BITS | RESETS_RESET_UART1_BITS |
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RESETS_RESET_USBCTRL_BITS | RESETS_RESET_PWM_BITS));
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clocks_init();
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unreset_block_wait(RESETS_RESET_BITS);
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return 0;
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}
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/*
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* Some pico-sdk drivers call panic on fatal error.
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* This alternative implementation of panic handles the panic
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* through Zephyr.
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*/
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void __attribute__((noreturn)) panic(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vprintf(fmt, args);
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k_fatal_halt(K_ERR_CPU_EXCEPTION);
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}
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SYS_INIT(rp2040_init, PRE_KERNEL_1, 0);
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