| 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_STM32_ARM_MPU_ENABLE=y |
| |
| # Serial Drivers |
| CONFIG_SERIAL=y |
| CONFIG_SERIAL_HAS_DRIVER=y |
| CONFIG_UART_INTERRUPT_DRIVEN=y |
| CONFIG_UART_STM32=y |
| # enable USART2 - passthrough to STLINK v2 connector |
| CONFIG_UART_STM32_PORT_2=y |
| # enable console on this port by default |
| CONFIG_CONSOLE=y |
| CONFIG_UART_CONSOLE=y |
| |
| # enable pinmux |
| CONFIG_PINMUX=y |
| CONFIG_PINMUX_STM32=y |
| |
| # enable GPIO ports A, B, C |
| CONFIG_GPIO=y |
| # add GPIO ports not enabled in SoC |
| CONFIG_GPIO_STM32_PORTD=y |
| CONFIG_GPIO_STM32_PORTE=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 |
