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