Linux preempt-rt

Check our new training course

Real-Time Linux with PREEMPT_RT

Check our new training course
with Creative Commons CC-BY-SA
lecture and lab materials

Bootlin logo

Elixir Cross Referencer

# Kconfig - STM32H747I DISCOVERY board configuration
#
# Copyright (c) 2019 Linaro Limited
#
# SPDX-License-Identifier: Apache-2.0
#

if BOARD_STM32H747I_DISCO_M7 || BOARD_STM32H747I_DISCO_M4

config BOARD
	default "stm32h747i_disco_m7" if BOARD_STM32H747I_DISCO_M7
	default "stm32h747i_disco_m4" if BOARD_STM32H747I_DISCO_M4

# clock configuration
config SYS_CLOCK_HW_CYCLES_PER_SEC
	default 400000000 if BOARD_STM32H747I_DISCO_M7
	# SYS_CLOCK_M4 = SYS_CLOCK_M7 / CLOCK_STM32_HPRE
	default 200000000 if BOARD_STM32H747I_DISCO_M4

config CLOCK_STM32_D1CPRE
	default 1

config CLOCK_STM32_HPRE
	# HCLK: 200MHz
	default 2

config CLOCK_STM32_D2PPRE1
	# APBX: 100MHz
	default 2

config CLOCK_STM32_D2PPRE2
	default 2

config CLOCK_STM32_D1PPRE
	default 2

config CLOCK_STM32_D3PPRE
	default 2

config STM32H7_DUAL_CORE
	def_bool y

# Dual core boot configuration
if STM32H7_DUAL_CORE
# Boot method is selected in common file to avoid desync issues
choice STM32H7_DUAL_CORE_BOOT
	# Use out of the box config by default
	# default STM32H7_BOOT_CM4_CM7
	default STM32H7_BOOT_CM7_CM4GATED
endchoice
endif # STM32H7_DUAL_CORE

if UART_CONSOLE

config UART_1
	default y if BOARD_STM32H747I_DISCO_M7

endif # UART_CONSOLE

if SERIAL

config UART_8
	default y if BOARD_STM32H747I_DISCO_M7

endif # SERIAL

endif # BOARD_STM32H747I_DISCO_M7