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