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