| /* |
| * Copyright (c) 2023 Benjamin Björnsson <benjamin.bjornsson@gmail.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /** |
| * @file |
| * @brief System/hardware module for STM32C0 processor |
| */ |
| |
| #include <zephyr/device.h> |
| #include <zephyr/init.h> |
| #include <zephyr/linker/linker-defs.h> |
| #include <string.h> |
| |
| #include <cmsis_core.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 stm32c0_init(void) |
| { |
| /* Update CMSIS SystemCoreClock variable (HCLK) */ |
| /* At reset, system core clock is set to 48 MHz from HSI */ |
| SystemCoreClock = 48000000; |
| |
| return 0; |
| } |
| |
| SYS_INIT(stm32c0_init, PRE_KERNEL_1, 0); |
