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

 
  1config M68K
  2	bool
  3	default y
 
 
 
 
  4	select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
 
 
 
  5	select HAVE_IDE
  6	select HAVE_AOUT if MMU
 
  7	select HAVE_DEBUG_BUGVERBOSE
  8	select GENERIC_IRQ_SHOW
  9	select GENERIC_ATOMIC64
 
 10	select HAVE_UID16
 11	select VIRT_TO_BUS
 12	select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
 13	select GENERIC_CPU_DEVICES
 14	select GENERIC_IOMAP
 15	select GENERIC_STRNCPY_FROM_USER if MMU
 16	select GENERIC_STRNLEN_USER if MMU
 17	select ARCH_WANT_IPC_PARSE_VERSION
 18	select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE
 19	select HAVE_FUTEX_CMPXCHG if MMU && FUTEX
 20	select HAVE_MOD_ARCH_SPECIFIC
 21	select MODULES_USE_ELF_REL
 22	select MODULES_USE_ELF_RELA
 23	select OLD_SIGSUSPEND3
 24	select OLD_SIGACTION
 
 25
 26config RWSEM_GENERIC_SPINLOCK
 27	bool
 28	default y
 29
 30config RWSEM_XCHGADD_ALGORITHM
 31	bool
 32
 33config ARCH_HAS_ILOG2_U32
 34	bool
 35
 36config ARCH_HAS_ILOG2_U64
 37	bool
 38
 39config GENERIC_HWEIGHT
 40	bool
 41	default y
 42
 43config GENERIC_CALIBRATE_DELAY
 44	bool
 45	default y
 46
 47config GENERIC_CSUM
 48	bool
 49
 50config TIME_LOW_RES
 51	bool
 52	default y
 53
 54config NO_IOPORT_MAP
 55	def_bool y
 56
 57config NO_DMA
 58	def_bool (MMU && SUN3) || (!MMU && !COLDFIRE)
 59
 60config ZONE_DMA
 61	bool
 62	default y
 63
 64config HZ
 65	int
 66	default 1000 if CLEOPATRA
 67	default 100
 68
 69config PGTABLE_LEVELS
 70	default 2 if SUN3 || COLDFIRE
 71	default 3
 72
 73source "init/Kconfig"
 74
 75source "kernel/Kconfig.freezer"
 76
 77config MMU
 78	bool "MMU-based Paged Memory Management Support"
 79	default y
 80	help
 81	  Select if you want MMU-based virtualised addressing space
 82	  support by paged memory management. If unsure, say 'Y'.
 83
 84config MMU_MOTOROLA
 85	bool
 86
 87config MMU_COLDFIRE
 88	bool
 89
 90config MMU_SUN3
 91	bool
 92	depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE
 93
 94config KEXEC
 95	bool "kexec system call"
 96	depends on M68KCLASSIC
 97	select KEXEC_CORE
 98	help
 99	  kexec is a system call that implements the ability to shutdown your
100	  current kernel, and to start another kernel.  It is like a reboot
101	  but it is independent of the system firmware.   And like a reboot
102	  you can start any kernel with it, not just Linux.
103
104	  The name comes from the similarity to the exec system call.
105
106	  It is an ongoing process to be certain the hardware in a machine
107	  is properly shutdown, so do not be surprised if this code does not
108	  initially work for you.  As of this writing the exact hardware
109	  interface is strongly in flux, so no good recommendation can be
110	  made.
111
112config BOOTINFO_PROC
113	bool "Export bootinfo in procfs"
114	depends on KEXEC && M68KCLASSIC
115	help
116	  Say Y to export the bootinfo used to boot the kernel in a
117	  "bootinfo" file in procfs.  This is useful with kexec.
118
119menu "Platform setup"
120
121source arch/m68k/Kconfig.cpu
122
123source arch/m68k/Kconfig.machine
124
125source arch/m68k/Kconfig.bus
126
127endmenu
128
129menu "Kernel Features"
130
131if COLDFIRE
132source "kernel/Kconfig.preempt"
133endif
134
135source "mm/Kconfig"
136
137endmenu
138
139menu "Executable file formats"
140
141source "fs/Kconfig.binfmt"
142
143endmenu
144
145if !MMU
146menu "Power management options"
147
148config PM
149	bool "Power Management support"
150	help
151	  Support processor power management modes
152
153endmenu
154endif
155
156source "net/Kconfig"
157
158source "drivers/Kconfig"
159
160source "arch/m68k/Kconfig.devices"
161
162source "fs/Kconfig"
163
164source "arch/m68k/Kconfig.debug"
165
166source "security/Kconfig"
167
168source "crypto/Kconfig"
169
170source "lib/Kconfig"