| CONFIG_ARM=y |
| CONFIG_BOARD_STM32F3_DISCO=y |
| CONFIG_SOC_SERIES_STM32F3X=y |
| CONFIG_SOC_STM32F303XC=y |
| # 72MHz system clock |
| CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000 |
| CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000 |
| |
| # ARM Options |
| CONFIG_CPU_HAS_FPU=y |
| |
| # Floating Point Options |
| CONFIG_FLOAT=y |
| |
| # enable uart driver |
| CONFIG_SERIAL=y |
| CONFIG_UART_STM32=y |
| # enable USART1 - passthrough to STLINK v2-1 connector |
| CONFIG_UART_STM32_PORT_1=y |
| # enable console on this port by default |
| CONFIG_CONSOLE=y |
| CONFIG_UART_CONSOLE=y |
| |
| #enable I2C |
| CONFIG_I2C=y |
| CONFIG_I2C_STM32_V2=y |
| |
| # enable pinmux |
| CONFIG_PINMUX=y |
| CONFIG_PINMUX_STM32=y |
| |
| # enable GPIO ports A, B, E |
| CONFIG_GPIO=y |
| CONFIG_GPIO_STM32=y |
| CONFIG_GPIO_STM32_PORTA=y |
| CONFIG_GPIO_STM32_PORTB=y |
| CONFIG_GPIO_STM32_PORTE=y |
| CONFIG_GPIO_STM32_PORTF=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 72MHz clock at PLL output |
| CONFIG_CLOCK_STM32_PLL_PREDIV=1 |
| CONFIG_CLOCK_STM32_PLL_MULTIPLIER=9 |
| CONFIG_CLOCK_STM32_AHB_PRESCALER=1 |
| CONFIG_CLOCK_STM32_APB1_PRESCALER=2 |
| CONFIG_CLOCK_STM32_APB2_PRESCALER=1 |
