xref: /linux/arch/m68k/Kconfig (revision e419ddeabe7edd89650a19f411f928eea12b35b1)

# SPDX-License-Identifier: GPL-2.0
config M68K
	bool
	default y
	select ARCH_32BIT_OFF_T
	select ARCH_HAS_BINFMT_FLAT
	select ARCH_HAS_CPU_CACHE_ALIASING
	select ARCH_HAS_CPU_FINALIZE_INIT if MMU
	select ARCH_HAS_CURRENT_STACK_POINTER
	select ARCH_HAS_DMA_PREP_COHERENT if M68K_NONCOHERENT_DMA && !COLDFIRE
	select ARCH_HAS_SYNC_DMA_FOR_DEVICE if M68K_NONCOHERENT_DMA
	select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
	select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
	select ARCH_NO_PREEMPT if !COLDFIRE
	select ARCH_USE_MEMTEST if MMU_MOTOROLA
	select ARCH_WANT_IPC_PARSE_VERSION
	select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
	select DMA_DIRECT_REMAP if M68K_NONCOHERENT_DMA && !COLDFIRE
	select GENERIC_ATOMIC64
	select GENERIC_CPU_DEVICES
	select GENERIC_IOMAP if HAS_IOPORT
	select GENERIC_IRQ_SHOW
	select GENERIC_LIB_ASHLDI3
	select GENERIC_LIB_ASHRDI3
	select GENERIC_LIB_LSHRDI3
	select GENERIC_LIB_MULDI3
	select HAS_IOPORT if PCI || ISA || ATARI_ROM_ISA
	select HAVE_ARCH_LIBGCC_H
	select HAVE_ARCH_SECCOMP
	select HAVE_ARCH_SECCOMP_FILTER
	select HAVE_ASM_MODVERSIONS
	select HAVE_DEBUG_BUGVERBOSE
	select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED
	select HAVE_MOD_ARCH_SPECIFIC
	select HAVE_UID16
	select MMU_GATHER_NO_RANGE if MMU
	select MODULES_USE_ELF_REL
	select MODULES_USE_ELF_RELA
	select NO_DMA if !MMU && !COLDFIRE
	select OLD_SIGACTION
	select OLD_SIGSUSPEND3
	select UACCESS_MEMCPY if !MMU
	select ZONE_DMA

config CPU_BIG_ENDIAN
	def_bool y

config ARCH_HAS_ILOG2_U32
	bool

config ARCH_HAS_ILOG2_U64
	bool

config GENERIC_HWEIGHT
	bool
	default y

config GENERIC_CALIBRATE_DELAY
	bool
	default y

config GENERIC_CSUM
	bool

config TIME_LOW_RES
	bool
	default y

config NO_IOPORT_MAP
	def_bool y

config HZ
	int
	default 1000 if CLEOPATRA
	default 100

config PGTABLE_LEVELS
	default 2 if SUN3 || COLDFIRE
	default 3

config MMU
	bool "MMU-based Paged Memory Management Support"
	default y
	help
	  Select if you want MMU-based virtualised addressing space
	  support by paged memory management. If unsure, say 'Y'.

config MMU_MOTOROLA
	def_bool MMU && M68KCLASSIC
	select HAVE_PAGE_SIZE_4KB

config MMU_COLDFIRE
	def_bool MMU && COLDFIRE
	select HAVE_PAGE_SIZE_8KB

config MMU_SUN3
	def_bool MMU && SUN3
	select HAVE_PAGE_SIZE_8KB

config ARCH_SUPPORTS_KEXEC
	def_bool (M68KCLASSIC || SUN3) && MMU

config BOOTINFO_PROC
	bool "Export bootinfo in procfs"
	depends on KEXEC && (M68KCLASSIC || SUN3)
	help
	  Say Y to export the bootinfo used to boot the kernel in a
	  "bootinfo" file in procfs.  This is useful with kexec.

menu "Platform setup"

source "arch/m68k/Kconfig.cpu"

source "arch/m68k/Kconfig.machine"

source "arch/m68k/Kconfig.bus"

endmenu

menu "Kernel Features"

endmenu

if !MMU
menu "Power management options"

config PM
	bool "Power Management support"
	help
	  Support processor power management modes

endmenu
endif

source "arch/m68k/Kconfig.devices"