1# SPDX-License-Identifier: GPL-2.0 2config M68K 3 bool 4 default y 5 select ARCH_32BIT_OFF_T 6 select ARCH_HAS_BINFMT_FLAT 7 select ARCH_HAS_CPU_CACHE_ALIASING 8 select ARCH_HAS_CPU_FINALIZE_INIT if MMU 9 select ARCH_HAS_CURRENT_STACK_POINTER 10 select ARCH_HAS_DMA_PREP_COHERENT if M68K_NONCOHERENT_DMA && !COLDFIRE 11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if M68K_NONCOHERENT_DMA 12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS 13 select ARCH_MIGHT_HAVE_PC_PARPORT if ISA 14 select ARCH_NO_PREEMPT if !COLDFIRE 15 select ARCH_USE_MEMTEST if MMU_MOTOROLA 16 select ARCH_WANT_IPC_PARSE_VERSION 17 select BINFMT_FLAT_ARGVP_ENVP_ON_STACK 18 select DMA_DIRECT_REMAP if M68K_NONCOHERENT_DMA && !COLDFIRE 19 select GENERIC_ATOMIC64 20 select GENERIC_CPU_DEVICES 21 select GENERIC_IOMAP if HAS_IOPORT && MMU && !COLDFIRE 22 select GENERIC_IRQ_SHOW 23 select GENERIC_LIB_ASHLDI3 24 select GENERIC_LIB_ASHRDI3 25 select GENERIC_LIB_LSHRDI3 26 select GENERIC_LIB_MULDI3 27 select GENERIC_PCI_IOMAP if PCI 28 select HAS_IOPORT if PCI || ISA || ATARI_ROM_ISA 29 select HAVE_ARCH_LIBGCC_H 30 select HAVE_ARCH_SECCOMP 31 select HAVE_ARCH_SECCOMP_FILTER 32 select HAVE_ASM_MODVERSIONS 33 select HAVE_DEBUG_BUGVERBOSE 34 select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED 35 select HAVE_MOD_ARCH_SPECIFIC 36 select HAVE_UID16 37 select MMU_GATHER_NO_RANGE if MMU 38 select MODULES_USE_ELF_REL 39 select MODULES_USE_ELF_RELA 40 select NO_DMA if !MMU && !COLDFIRE 41 select OLD_SIGACTION 42 select OLD_SIGSUSPEND3 43 select UACCESS_MEMCPY if !MMU 44 select ZONE_DMA 45 46config CPU_BIG_ENDIAN 47 def_bool y 48 49config ARCH_HAS_ILOG2_U32 50 bool 51 52config ARCH_HAS_ILOG2_U64 53 bool 54 55config GENERIC_HWEIGHT 56 bool 57 default y 58 59config GENERIC_CALIBRATE_DELAY 60 bool 61 default y 62 63config GENERIC_CSUM 64 bool 65 66config TIME_LOW_RES 67 bool 68 default y 69 70config NO_IOPORT_MAP 71 def_bool y 72 73config HZ 74 int 75 default 1000 if CLEOPATRA 76 default 100 77 78config PGTABLE_LEVELS 79 default 2 if SUN3 || COLDFIRE 80 default 3 81 82config MMU 83 bool "MMU-based Paged Memory Management Support" 84 default y 85 help 86 Select if you want MMU-based virtualised addressing space 87 support by paged memory management. If unsure, say 'Y'. 88 89config MMU_MOTOROLA 90 def_bool MMU && M68KCLASSIC 91 select HAVE_PAGE_SIZE_4KB 92 93config MMU_COLDFIRE 94 def_bool MMU && COLDFIRE 95 select HAVE_PAGE_SIZE_8KB 96 97config MMU_SUN3 98 def_bool MMU && SUN3 99 select HAVE_PAGE_SIZE_8KB 100 101config ARCH_SUPPORTS_KEXEC 102 def_bool (M68KCLASSIC || SUN3) && MMU 103 104config BOOTINFO_PROC 105 bool "Export bootinfo in procfs" 106 depends on KEXEC && (M68KCLASSIC || SUN3) 107 help 108 Say Y to export the bootinfo used to boot the kernel in a 109 "bootinfo" file in procfs. This is useful with kexec. 110 111menu "Platform setup" 112 113source "arch/m68k/Kconfig.cpu" 114 115source "arch/m68k/Kconfig.machine" 116 117source "arch/m68k/Kconfig.bus" 118 119endmenu 120 121menu "Kernel Features" 122 123endmenu 124 125if !MMU 126menu "Power management options" 127 128config PM 129 bool "Power Management support" 130 help 131 Support processor power management modes 132 133endmenu 134endif 135 136source "arch/m68k/Kconfig.devices" 137