tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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"