1 # SPDX-License-Identifier: GPL-2.0
2 config 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 M
9 select ARCH_HAS_CURRENT_STACK_POINTER
10 select ARCH_HAS_DMA_PREP_COHERENT if M
11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if
12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if R
13 select ARCH_MIGHT_HAVE_PC_PARPORT if I
14 select ARCH_NO_PREEMPT if !COLDFIRE
15 select ARCH_USE_MEMTEST if MMU_MOTOROL
16 select ARCH_WANT_IPC_PARSE_VERSION
17 select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
18 select DMA_DIRECT_REMAP if M68K_NONCOH
19 select GENERIC_ATOMIC64
20 select GENERIC_CPU_DEVICES
21 select GENERIC_IOMAP if HAS_IOPORT
22 select GENERIC_IRQ_SHOW
23 select GENERIC_LIB_ASHLDI3
24 select GENERIC_LIB_ASHRDI3
25 select GENERIC_LIB_LSHRDI3
26 select HAS_IOPORT if PCI || ISA || ATA
27 select HAVE_ARCH_SECCOMP
28 select HAVE_ARCH_SECCOMP_FILTER
29 select HAVE_ASM_MODVERSIONS
30 select HAVE_DEBUG_BUGVERBOSE
31 select HAVE_EFFICIENT_UNALIGNED_ACCESS
32 select HAVE_MOD_ARCH_SPECIFIC
33 select HAVE_UID16
34 select MMU_GATHER_NO_RANGE if MMU
35 select MODULES_USE_ELF_REL
36 select MODULES_USE_ELF_RELA
37 select NO_DMA if !MMU && !COLDFIRE
38 select OLD_SIGACTION
39 select OLD_SIGSUSPEND3
40 select UACCESS_MEMCPY if !MMU
41 select ZONE_DMA
42
43 config CPU_BIG_ENDIAN
44 def_bool y
45
46 config ARCH_HAS_ILOG2_U32
47 bool
48
49 config ARCH_HAS_ILOG2_U64
50 bool
51
52 config GENERIC_HWEIGHT
53 bool
54 default y
55
56 config GENERIC_CALIBRATE_DELAY
57 bool
58 default y
59
60 config GENERIC_CSUM
61 bool
62
63 config TIME_LOW_RES
64 bool
65 default y
66
67 config NO_IOPORT_MAP
68 def_bool y
69
70 config HZ
71 int
72 default 1000 if CLEOPATRA
73 default 100
74
75 config PGTABLE_LEVELS
76 default 2 if SUN3 || COLDFIRE
77 default 3
78
79 config MMU
80 bool "MMU-based Paged Memory Managemen
81 default y
82 help
83 Select if you want MMU-based virtual
84 support by paged memory management.
85
86 config MMU_MOTOROLA
87 bool
88 select HAVE_PAGE_SIZE_4KB
89
90 config MMU_COLDFIRE
91 select HAVE_PAGE_SIZE_8KB
92 bool
93
94 config MMU_SUN3
95 bool
96 select HAVE_PAGE_SIZE_8KB
97 depends on MMU && !MMU_MOTOROLA && !MM
98
99 config ARCH_SUPPORTS_KEXEC
100 def_bool M68KCLASSIC && MMU
101
102 config BOOTINFO_PROC
103 bool "Export bootinfo in procfs"
104 depends on KEXEC && M68KCLASSIC
105 help
106 Say Y to export the bootinfo used to
107 "bootinfo" file in procfs. This is
108
109 menu "Platform setup"
110
111 source "arch/m68k/Kconfig.cpu"
112
113 source "arch/m68k/Kconfig.machine"
114
115 source "arch/m68k/Kconfig.bus"
116
117 endmenu
118
119 menu "Kernel Features"
120
121 endmenu
122
123 if !MMU
124 menu "Power management options"
125
126 config PM
127 bool "Power Management support"
128 help
129 Support processor power management m
130
131 endmenu
132 endif
133
134 source "arch/m68k/Kconfig.devices"
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