48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
CONFIG_ARM=y
|
|
CONFIG_BOARD_NUCLEO_F401RE=y
|
|
CONFIG_SOC_SERIES_STM32F4X=y
|
|
CONFIG_SOC_STM32F401XE=y
|
|
# 84MHz system clock
|
|
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=84000000
|
|
CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000
|
|
|
|
# Enable MPU
|
|
CONFIG_STM32_ARM_MPU_ENABLE=y
|
|
|
|
# enable USART2 - passthrough to STLINK v2 connector
|
|
CONFIG_UART_STM32_PORT_2=y
|
|
# enable console on this port by default
|
|
CONFIG_UART_CONSOLE_ON_DEV_NAME="UART_2"
|
|
|
|
# enable pinmux
|
|
CONFIG_PINMUX=y
|
|
|
|
# enable GPIO ports A, B, C
|
|
CONFIG_GPIO=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 84MHz clock at PLL output
|
|
CONFIG_CLOCK_STM32_PLL_M_DIVISOR=8
|
|
CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=336
|
|
CONFIG_CLOCK_STM32_PLL_P_DIVISOR=4
|
|
CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=7
|
|
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
|
|
CONFIG_CLOCK_STM32_APB1_PRESCALER=2
|
|
CONFIG_CLOCK_STM32_APB2_PRESCALER=1
|
|
|
|
|
|
#enable pwm
|
|
CONFIG_PWM=y
|
|
CONFIG_PWM_STM32=y
|
|
CONFIG_PWM_STM32_2=y
|