1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config M68K 2 config M68K
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T 5 select ARCH_32BIT_OFF_T
6 select ARCH_HAS_BINFMT_FLAT 6 select ARCH_HAS_BINFMT_FLAT
7 select ARCH_HAS_CPU_CACHE_ALIASING 7 select ARCH_HAS_CPU_CACHE_ALIASING
8 select ARCH_HAS_CPU_FINALIZE_INIT if M 8 select ARCH_HAS_CPU_FINALIZE_INIT if MMU
9 select ARCH_HAS_CURRENT_STACK_POINTER 9 select ARCH_HAS_CURRENT_STACK_POINTER
10 select ARCH_HAS_DMA_PREP_COHERENT if M 10 select ARCH_HAS_DMA_PREP_COHERENT if M68K_NONCOHERENT_DMA && !COLDFIRE
11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if 11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if M68K_NONCOHERENT_DMA
12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if R 12 select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
13 select ARCH_MIGHT_HAVE_PC_PARPORT if I 13 select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
14 select ARCH_NO_PREEMPT if !COLDFIRE 14 select ARCH_NO_PREEMPT if !COLDFIRE
15 select ARCH_USE_MEMTEST if MMU_MOTOROL 15 select ARCH_USE_MEMTEST if MMU_MOTOROLA
16 select ARCH_WANT_IPC_PARSE_VERSION 16 select ARCH_WANT_IPC_PARSE_VERSION
17 select BINFMT_FLAT_ARGVP_ENVP_ON_STACK 17 select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
18 select DMA_DIRECT_REMAP if M68K_NONCOH 18 select DMA_DIRECT_REMAP if M68K_NONCOHERENT_DMA && !COLDFIRE
19 select GENERIC_ATOMIC64 19 select GENERIC_ATOMIC64
20 select GENERIC_CPU_DEVICES 20 select GENERIC_CPU_DEVICES
21 select GENERIC_IOMAP if HAS_IOPORT 21 select GENERIC_IOMAP if HAS_IOPORT
22 select GENERIC_IRQ_SHOW 22 select GENERIC_IRQ_SHOW
23 select GENERIC_LIB_ASHLDI3 23 select GENERIC_LIB_ASHLDI3
24 select GENERIC_LIB_ASHRDI3 24 select GENERIC_LIB_ASHRDI3
25 select GENERIC_LIB_LSHRDI3 25 select GENERIC_LIB_LSHRDI3
26 select HAS_IOPORT if PCI || ISA || ATA 26 select HAS_IOPORT if PCI || ISA || ATARI_ROM_ISA
27 select HAVE_ARCH_SECCOMP 27 select HAVE_ARCH_SECCOMP
28 select HAVE_ARCH_SECCOMP_FILTER 28 select HAVE_ARCH_SECCOMP_FILTER
29 select HAVE_ASM_MODVERSIONS 29 select HAVE_ASM_MODVERSIONS
30 select HAVE_DEBUG_BUGVERBOSE 30 select HAVE_DEBUG_BUGVERBOSE
31 select HAVE_EFFICIENT_UNALIGNED_ACCESS 31 select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED
32 select HAVE_MOD_ARCH_SPECIFIC 32 select HAVE_MOD_ARCH_SPECIFIC
33 select HAVE_UID16 33 select HAVE_UID16
34 select MMU_GATHER_NO_RANGE if MMU 34 select MMU_GATHER_NO_RANGE if MMU
35 select MODULES_USE_ELF_REL 35 select MODULES_USE_ELF_REL
36 select MODULES_USE_ELF_RELA 36 select MODULES_USE_ELF_RELA
37 select NO_DMA if !MMU && !COLDFIRE 37 select NO_DMA if !MMU && !COLDFIRE
38 select OLD_SIGACTION 38 select OLD_SIGACTION
39 select OLD_SIGSUSPEND3 39 select OLD_SIGSUSPEND3
40 select UACCESS_MEMCPY if !MMU 40 select UACCESS_MEMCPY if !MMU
41 select ZONE_DMA 41 select ZONE_DMA
42 42
43 config CPU_BIG_ENDIAN 43 config CPU_BIG_ENDIAN
44 def_bool y 44 def_bool y
45 45
46 config ARCH_HAS_ILOG2_U32 46 config ARCH_HAS_ILOG2_U32
47 bool 47 bool
48 48
49 config ARCH_HAS_ILOG2_U64 49 config ARCH_HAS_ILOG2_U64
50 bool 50 bool
51 51
52 config GENERIC_HWEIGHT 52 config GENERIC_HWEIGHT
53 bool 53 bool
54 default y 54 default y
55 55
56 config GENERIC_CALIBRATE_DELAY 56 config GENERIC_CALIBRATE_DELAY
57 bool 57 bool
58 default y 58 default y
59 59
60 config GENERIC_CSUM 60 config GENERIC_CSUM
61 bool 61 bool
62 62
63 config TIME_LOW_RES 63 config TIME_LOW_RES
64 bool 64 bool
65 default y 65 default y
66 66
67 config NO_IOPORT_MAP 67 config NO_IOPORT_MAP
68 def_bool y 68 def_bool y
69 69
70 config HZ 70 config HZ
71 int 71 int
72 default 1000 if CLEOPATRA 72 default 1000 if CLEOPATRA
73 default 100 73 default 100
74 74
75 config PGTABLE_LEVELS 75 config PGTABLE_LEVELS
76 default 2 if SUN3 || COLDFIRE 76 default 2 if SUN3 || COLDFIRE
77 default 3 77 default 3
78 78
79 config MMU 79 config MMU
80 bool "MMU-based Paged Memory Managemen 80 bool "MMU-based Paged Memory Management Support"
81 default y 81 default y
82 help 82 help
83 Select if you want MMU-based virtual 83 Select if you want MMU-based virtualised addressing space
84 support by paged memory management. 84 support by paged memory management. If unsure, say 'Y'.
85 85
86 config MMU_MOTOROLA 86 config MMU_MOTOROLA
87 bool 87 bool
88 select HAVE_PAGE_SIZE_4KB 88 select HAVE_PAGE_SIZE_4KB
89 89
90 config MMU_COLDFIRE 90 config MMU_COLDFIRE
91 select HAVE_PAGE_SIZE_8KB 91 select HAVE_PAGE_SIZE_8KB
92 bool 92 bool
93 93
94 config MMU_SUN3 94 config MMU_SUN3
95 bool 95 bool
96 select HAVE_PAGE_SIZE_8KB 96 select HAVE_PAGE_SIZE_8KB
97 depends on MMU && !MMU_MOTOROLA && !MM 97 depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
98 98
99 config ARCH_SUPPORTS_KEXEC 99 config ARCH_SUPPORTS_KEXEC
100 def_bool M68KCLASSIC && MMU 100 def_bool M68KCLASSIC && MMU
101 101
102 config BOOTINFO_PROC 102 config BOOTINFO_PROC
103 bool "Export bootinfo in procfs" 103 bool "Export bootinfo in procfs"
104 depends on KEXEC && M68KCLASSIC 104 depends on KEXEC && M68KCLASSIC
105 help 105 help
106 Say Y to export the bootinfo used to 106 Say Y to export the bootinfo used to boot the kernel in a
107 "bootinfo" file in procfs. This is 107 "bootinfo" file in procfs. This is useful with kexec.
108 108
109 menu "Platform setup" 109 menu "Platform setup"
110 110
111 source "arch/m68k/Kconfig.cpu" 111 source "arch/m68k/Kconfig.cpu"
112 112
113 source "arch/m68k/Kconfig.machine" 113 source "arch/m68k/Kconfig.machine"
114 114
115 source "arch/m68k/Kconfig.bus" 115 source "arch/m68k/Kconfig.bus"
116 116
117 endmenu 117 endmenu
118 118
119 menu "Kernel Features" 119 menu "Kernel Features"
120 120
121 endmenu 121 endmenu
122 122
123 if !MMU 123 if !MMU
124 menu "Power management options" 124 menu "Power management options"
125 125
126 config PM 126 config PM
127 bool "Power Management support" 127 bool "Power Management support"
128 help 128 help
129 Support processor power management m 129 Support processor power management modes
130 130
131 endmenu 131 endmenu
132 endif 132 endif
133 133
134 source "arch/m68k/Kconfig.devices" 134 source "arch/m68k/Kconfig.devices"
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