1
2config M68K
3 bool
4 default y
5 select ARCH_32BIT_OFF_T
6 select ARCH_HAS_BINFMT_FLAT
7 select ARCH_HAS_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA
9 select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
10 select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
11 select ARCH_NO_PREEMPT if !COLDFIRE
12 select ARCH_WANT_IPC_PARSE_VERSION
13 select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
14 select DMA_DIRECT_REMAP if HAS_DMA && MMU && !COLDFIRE
15 select GENERIC_ATOMIC64
16 select GENERIC_CPU_DEVICES
17 select GENERIC_IOMAP
18 select GENERIC_IRQ_SHOW
19 select GENERIC_STRNCPY_FROM_USER if MMU
20 select GENERIC_STRNLEN_USER if MMU
21 select HAVE_AOUT if MMU
22 select HAVE_ASM_MODVERSIONS
23 select HAVE_DEBUG_BUGVERBOSE
24 select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED
25 select HAVE_FUTEX_CMPXCHG if MMU && FUTEX
26 select HAVE_MOD_ARCH_SPECIFIC
27 select HAVE_UID16
28 select MMU_GATHER_NO_RANGE if MMU
29 select MODULES_USE_ELF_REL
30 select MODULES_USE_ELF_RELA
31 select NO_DMA if !MMU && !COLDFIRE
32 select OLD_SIGACTION
33 select OLD_SIGSUSPEND3
34 select SET_FS
35 select UACCESS_MEMCPY if !MMU
36 select VIRT_TO_BUS
37 select ZONE_DMA
38
39config CPU_BIG_ENDIAN
40 def_bool y
41
42config ARCH_HAS_ILOG2_U32
43 bool
44
45config ARCH_HAS_ILOG2_U64
46 bool
47
48config GENERIC_HWEIGHT
49 bool
50 default y
51
52config GENERIC_CALIBRATE_DELAY
53 bool
54 default y
55
56config GENERIC_CSUM
57 bool
58
59config TIME_LOW_RES
60 bool
61 default y
62
63config NO_IOPORT_MAP
64 def_bool y
65
66config HZ
67 int
68 default 1000 if CLEOPATRA
69 default 100
70
71config PGTABLE_LEVELS
72 default 2 if SUN3 || COLDFIRE
73 default 3
74
75config MMU
76 bool "MMU-based Paged Memory Management Support"
77 default y
78 help
79 Select if you want MMU-based virtualised addressing space
80 support by paged memory management. If unsure, say 'Y'.
81
82config MMU_MOTOROLA
83 bool
84
85config MMU_COLDFIRE
86 bool
87
88config MMU_SUN3
89 bool
90 depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
91
92config KEXEC
93 bool "kexec system call"
94 depends on M68KCLASSIC
95 select KEXEC_CORE
96 help
97 kexec is a system call that implements the ability to shutdown your
98 current kernel, and to start another kernel. It is like a reboot
99 but it is independent of the system firmware. And like a reboot
100 you can start any kernel with it, not just Linux.
101
102 The name comes from the similarity to the exec system call.
103
104 It is an ongoing process to be certain the hardware in a machine
105 is properly shutdown, so do not be surprised if this code does not
106 initially work for you. As of this writing the exact hardware
107 interface is strongly in flux, so no good recommendation can be
108 made.
109
110config BOOTINFO_PROC
111 bool "Export bootinfo in procfs"
112 depends on KEXEC && M68KCLASSIC
113 help
114 Say Y to export the bootinfo used to boot the kernel in a
115 "bootinfo" file in procfs. This is useful with kexec.
116
117menu "Platform setup"
118
119source "arch/m68k/Kconfig.cpu"
120
121source "arch/m68k/Kconfig.machine"
122
123source "arch/m68k/Kconfig.bus"
124
125endmenu
126
127menu "Kernel Features"
128
129endmenu
130
131if !MMU
132menu "Power management options"
133
134config PM
135 bool "Power Management support"
136 help
137 Support processor power management modes
138
139endmenu
140endif
141
142source "arch/m68k/Kconfig.devices"
143
