CONFIG_ARM=y CONFIG_BOARD_NUCLEO_F412ZG=y CONFIG_SOC_SERIES_STM32F4X=y CONFIG_SOC_STM32F412ZG=y # 96MHz system clock (highest value to get a precise USB clock) CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000 CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000 # Enable MPU CONFIG_STM32_ARM_MPU_ENABLE=y CONFIG_SERIAL=y # console CONFIG_CONSOLE=y CONFIG_UART_CONSOLE=y # enable pinmux CONFIG_PINMUX=y # enable GPIO CONFIG_GPIO=y # enable I2C CONFIG_I2C=y # clock configuration CONFIG_CLOCK_CONTROL=y # Clock configuration for Cube Clock control driver CONFIG_CLOCK_STM32_HSE_CLOCK=8000000 CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y # use HSE as PLL input CONFIG_CLOCK_STM32_PLL_SRC_HSE=y # however, the board does not have an external oscillator, so just use # the 8MHz clock signal coming from integrated STLink CONFIG_CLOCK_STM32_HSE_BYPASS=y # produce 96MHz clock at PLL output CONFIG_CLOCK_STM32_PLL_M_DIVISOR=8 CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=384 CONFIG_CLOCK_STM32_PLL_P_DIVISOR=4 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