Kconfig

  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_LD_DEAD_CODE_DATA_ELIMINATION
 36	select HAVE_MOD_ARCH_SPECIFIC
 37	select HAVE_UID16
 38	select MMU_GATHER_NO_RANGE if MMU
 39	select MODULES_USE_ELF_REL
 40	select MODULES_USE_ELF_RELA
 41	select NO_DMA if !MMU && !COLDFIRE
 42	select OLD_SIGACTION
 43	select OLD_SIGSUSPEND3
 44	select UACCESS_MEMCPY if !MMU
 45	select ZONE_DMA
 46
 47config CPU_BIG_ENDIAN
 48	def_bool y
 49
 50config ARCH_HAS_ILOG2_U32
 51	bool
 52
 53config ARCH_HAS_ILOG2_U64
 54	bool
 55
 56config GENERIC_HWEIGHT
 57	bool
 58	default y
 59
 60config GENERIC_CALIBRATE_DELAY
 61	bool
 62	default y
 63
 64config GENERIC_CSUM
 65	bool
 66
 67config TIME_LOW_RES
 68	bool
 69	default y
 70
 71config NO_IOPORT_MAP
 72	def_bool y
 73
 74config HZ
 75	int
 76	default 1000 if CLEOPATRA
 77	default 100
 78
 79config PGTABLE_LEVELS
 80	default 2 if SUN3 || COLDFIRE
 81	default 3
 82
 83config MMU
 84	bool "MMU-based Paged Memory Management Support"
 85	default y
 86	help
 87	  Select if you want MMU-based virtualised addressing space
 88	  support by paged memory management. If unsure, say 'Y'.
 89
 90config MMU_MOTOROLA
 91	def_bool MMU && M68KCLASSIC
 92	select HAVE_PAGE_SIZE_4KB
 93
 94config MMU_COLDFIRE
 95	def_bool MMU && COLDFIRE
 96	select HAVE_PAGE_SIZE_8KB
 97
 98config MMU_SUN3
 99	def_bool MMU && SUN3
100	select HAVE_PAGE_SIZE_8KB
101
102config ARCH_SUPPORTS_KEXEC
103	def_bool (M68KCLASSIC || SUN3) && MMU
104
105config BOOTINFO_PROC
106	bool "Export bootinfo in procfs"
107	depends on KEXEC && (M68KCLASSIC || SUN3)
108	help
109	  Say Y to export the bootinfo used to boot the kernel in a
110	  "bootinfo" file in procfs.  This is useful with kexec.
111
112menu "Platform setup"
113
114source "arch/m68k/Kconfig.cpu"
115
116source "arch/m68k/Kconfig.machine"
117
118source "arch/m68k/Kconfig.bus"
119
120endmenu
121
122menu "Kernel Features"
123
124endmenu
125
126if !MMU
127menu "Power management options"
128
129config PM
130	bool "Power Management support"
131	help
132	  Support processor power management modes
133
134endmenu
135endif
136
137source "arch/m68k/Kconfig.devices"