| # SPDX-License-Identifier: Apache-2.0 |
| |
| CONFIG_SOC_SERIES_STM32F4X=y |
| CONFIG_SOC_STM32F401XE=y |
| # 84MHz system clock (highest value to get a precise USB clock should be 84MHz) |
| CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=84000000 |
| |
| # Enable MPU |
| CONFIG_ARM_MPU=y |
| |
| # Enable HW stack protection |
| CONFIG_HW_STACK_PROTECTION=y |
| |
| # Serial Drivers |
| CONFIG_SERIAL=y |
| CONFIG_UART_INTERRUPT_DRIVEN=y |
| CONFIG_CONSOLE=y |
| CONFIG_UART_CONSOLE=y |
| |
| # Enable pinmux |
| CONFIG_PINMUX=y |
| |
| # Enable GPIO |
| CONFIG_GPIO=y |
| |
| # Clock configuration |
| CONFIG_CLOCK_CONTROL=y |
| # SYSCLK selection |
| CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y |
| # HSE configuration |
| CONFIG_CLOCK_STM32_HSE_CLOCK=25000000 |
| # use HSE as PLL input |
| CONFIG_CLOCK_STM32_PLL_SRC_HSE=y |
| # Produce 84MHz clock at PLL output |
| CONFIG_CLOCK_STM32_PLL_M_DIVISOR=25 |
| CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=336 |
| CONFIG_CLOCK_STM32_PLL_P_DIVISOR=4 |
| # Produce 42 MHz clock for USB |
| CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=7 |
| CONFIG_CLOCK_STM32_AHB_PRESCALER=1 |
| CONFIG_CLOCK_STM32_APB1_PRESCALER=2 |
| CONFIG_CLOCK_STM32_APB2_PRESCALER=1 |
