# SPDX-License-Identifier: Apache-2.0 CONFIG_ARM=y CONFIG_BOARD_STM32F411E_DISCO=y CONFIG_SOC_SERIES_STM32F4X=y CONFIG_SOC_STM32F411XE=y # 100MHz system clock (highest value to get a precise USB clock should be 96MHz) CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=100000000 CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000 # Enable MPU CONFIG_ARM_MPU=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=8000000 # use HSE as PLL input CONFIG_CLOCK_STM32_PLL_SRC_HSE=y # produce 100MHz clock at PLL output CONFIG_CLOCK_STM32_PLL_M_DIVISOR=4 CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=100 CONFIG_CLOCK_STM32_PLL_P_DIVISOR=2 CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=8 CONFIG_CLOCK_STM32_AHB_PRESCALER=1 CONFIG_CLOCK_STM32_APB1_PRESCALER=2 CONFIG_CLOCK_STM32_APB2_PRESCALER=1