arch/m68k/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 config M68K
   3         bool
   4         default y
   5         select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
   6         select ARCH_NO_COHERENT_DMA_MMAP if !MMU
   7         select HAVE_IDE
   8         select HAVE_AOUT if MMU
   9         select HAVE_DEBUG_BUGVERBOSE
  10         select GENERIC_IRQ_SHOW
  11         select GENERIC_ATOMIC64
  12         select HAVE_UID16
  13         select VIRT_TO_BUS
  14         select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
  15         select GENERIC_CPU_DEVICES
  16         select GENERIC_IOMAP
  17         select GENERIC_STRNCPY_FROM_USER if MMU
  18         select GENERIC_STRNLEN_USER if MMU
  19         select ARCH_WANT_IPC_PARSE_VERSION
  20         select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE
  21         select HAVE_FUTEX_CMPXCHG if MMU && FUTEX
  22         select HAVE_MOD_ARCH_SPECIFIC
  23         select MODULES_USE_ELF_REL
  24         select MODULES_USE_ELF_RELA
  25         select OLD_SIGSUSPEND3
  26         select OLD_SIGACTION
  27
  28 config CPU_BIG_ENDIAN
  29         def_bool y
  30
  31 config RWSEM_GENERIC_SPINLOCK
  32         bool
  33         default y
  34
  35 config RWSEM_XCHGADD_ALGORITHM
  36         bool
  37
  38 config ARCH_HAS_ILOG2_U32
  39         bool
  40
  41 config ARCH_HAS_ILOG2_U64
  42         bool
  43
  44 config GENERIC_HWEIGHT
  45         bool
  46         default y
  47
  48 config GENERIC_CALIBRATE_DELAY
  49         bool
  50         default y
  51
  52 config GENERIC_CSUM
  53         bool
  54
  55 config TIME_LOW_RES
  56         bool
  57         default y
  58
  59 config NO_IOPORT_MAP
  60         def_bool y
  61
  62 config NO_DMA
  63         def_bool (MMU && SUN3) || (!MMU && !COLDFIRE)
  64
  65 config ZONE_DMA
  66         bool
  67         default y
  68
  69 config HZ
  70         int
  71         default 1000 if CLEOPATRA
  72         default 100
  73
  74 config PGTABLE_LEVELS
  75         default 2 if SUN3 || COLDFIRE
  76         default 3
  77
  78 source "init/Kconfig"
  79
  80 source "kernel/Kconfig.freezer"
  81
  82 config 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
  89 config MMU_MOTOROLA
  90         bool
  91
  92 config MMU_COLDFIRE
  93         bool
  94
  95 config MMU_SUN3
  96         bool
  97         depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
  98
  99 config KEXEC
 100         bool "kexec system call"
 101         depends on M68KCLASSIC
 102         select KEXEC_CORE
 103         help
 104           kexec is a system call that implements the ability to shutdown your
 105           current kernel, and to start another kernel.  It is like a reboot
 106           but it is independent of the system firmware.   And like a reboot
 107           you can start any kernel with it, not just Linux.
 108
 109           The name comes from the similarity to the exec system call.
 110
 111           It is an ongoing process to be certain the hardware in a machine
 112           is properly shutdown, so do not be surprised if this code does not
 113           initially work for you.  As of this writing the exact hardware
 114           interface is strongly in flux, so no good recommendation can be
 115           made.
 116
 117 config BOOTINFO_PROC
 118         bool "Export bootinfo in procfs"
 119         depends on KEXEC && M68KCLASSIC
 120         help
 121           Say Y to export the bootinfo used to boot the kernel in a
 122           "bootinfo" file in procfs.  This is useful with kexec.
 123
 124 menu "Platform setup"
 125
 126 source arch/m68k/Kconfig.cpu
 127
 128 source arch/m68k/Kconfig.machine
 129
 130 source arch/m68k/Kconfig.bus
 131
 132 endmenu
 133
 134 menu "Kernel Features"
 135
 136 if COLDFIRE
 137 source "kernel/Kconfig.preempt"
 138 endif
 139
 140 source "mm/Kconfig"
 141
 142 endmenu
 143
 144 menu "Executable file formats"
 145
 146 source "fs/Kconfig.binfmt"
 147
 148 endmenu
 149
 150 if !MMU
 151 menu "Power management options"
 152
 153 config PM
 154         bool "Power Management support"
 155         help
 156           Support processor power management modes
 157
 158 endmenu
 159 endif
 160
 161 source "net/Kconfig"
 162
 163 source "drivers/Kconfig"
 164
 165 source "arch/m68k/Kconfig.devices"
 166
 167 source "fs/Kconfig"
 168
 169 source "arch/m68k/Kconfig.debug"
 170
 171 source "security/Kconfig"
 172
 173 source "crypto/Kconfig"
 174
 175 source "lib/Kconfig"