| /* |
| * Copyright (c) 2021, ATL Electronics |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /** |
| * @file |
| * @brief GD32 MCU series initialization code |
| * |
| * This module provides routines to initialize and support board-level |
| * hardware for the GigaDevice GD32 SoC. |
| */ |
| |
| #include <zephyr/device.h> |
| #include <zephyr/init.h> |
| #include <zephyr/irq.h> |
| |
| /** |
| * @brief Perform basic hardware initialization at boot. |
| * |
| * This needs to be run from the very beginning. |
| * So the init priority has to be 0 (zero). |
| * |
| * @return 0 |
| */ |
| static int gigadevice_gd32_soc_init(const struct device *arg) |
| { |
| uint32_t key; |
| |
| ARG_UNUSED(arg); |
| |
| key = irq_lock(); |
| |
| SystemInit(); |
| NMI_INIT(); |
| |
| irq_unlock(key); |
| |
| return 0; |
| } |
| |
| SYS_INIT(gigadevice_gd32_soc_init, PRE_KERNEL_1, 0); |