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

  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"