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