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TOMOYO Linux Cross Reference
Linux/arch/sh/Kconfig

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Diff markup

Differences between /arch/sh/Kconfig (Version linux-6.12-rc7) and /arch/alpha/Kconfig (Version linux-5.16.20)


  1 # SPDX-License-Identifier: GPL-2.0                  1 # SPDX-License-Identifier: GPL-2.0
  2 config SUPERH                                  !!   2 config ALPHA
  3         def_bool y                             !!   3         bool
  4         select ARCH_32BIT_OFF_T                !!   4         default y
  5         select ARCH_HAS_CPU_CACHE_ALIASING     !!   5         select ARCH_32BIT_USTAT_F_TINODE
  6         select ARCH_HAVE_NMI_SAFE_CMPXCHG if ( << 
  7         select ARCH_HAS_BINFMT_FLAT if !MMU    << 
  8         select ARCH_HAS_CPU_FINALIZE_INIT      << 
  9         select ARCH_HAS_CURRENT_STACK_POINTER  << 
 10         select ARCH_HAS_GIGANTIC_PAGE          << 
 11         select ARCH_HAS_GCOV_PROFILE_ALL       << 
 12         select ARCH_HAS_PTE_SPECIAL            << 
 13         select ARCH_HAS_TICK_BROADCAST if GENE << 
 14         select ARCH_HIBERNATION_POSSIBLE if MM << 
 15         select ARCH_MIGHT_HAVE_PC_PARPORT           6         select ARCH_MIGHT_HAVE_PC_PARPORT
 16         select ARCH_WANT_IPC_PARSE_VERSION     !!   7         select ARCH_MIGHT_HAVE_PC_SERIO
 17         select ARCH_NEED_CMPXCHG_1_EMU         !!   8         select ARCH_NO_PREEMPT
 18         select CPU_NO_EFFICIENT_FFS            !!   9         select ARCH_NO_SG_CHAIN
 19         select DMA_DECLARE_COHERENT            !!  10         select ARCH_USE_CMPXCHG_LOCKREF
 20         select GENERIC_ATOMIC64                !!  11         select DMA_OPS if PCI
 21         select GENERIC_CMOS_UPDATE if SH_SH03  !!  12         select FORCE_PCI if !ALPHA_JENSEN
 22         select GENERIC_IDLE_POLL_SETUP         !!  13         select PCI_DOMAINS if PCI
                                                   >>  14         select PCI_SYSCALL if PCI
                                                   >>  15         select HAVE_AOUT
                                                   >>  16         select HAVE_ASM_MODVERSIONS
                                                   >>  17         select HAVE_PCSPKR_PLATFORM
                                                   >>  18         select HAVE_PERF_EVENTS
                                                   >>  19         select NEED_DMA_MAP_STATE
                                                   >>  20         select NEED_SG_DMA_LENGTH
                                                   >>  21         select VIRT_TO_BUS
                                                   >>  22         select GENERIC_IRQ_PROBE
                                                   >>  23         select GENERIC_PCI_IOMAP
                                                   >>  24         select AUTO_IRQ_AFFINITY if SMP
 23         select GENERIC_IRQ_SHOW                    25         select GENERIC_IRQ_SHOW
 24         select GENERIC_LIB_ASHLDI3             !!  26         select ARCH_WANT_IPC_PARSE_VERSION
 25         select GENERIC_LIB_ASHRDI3             !!  27         select ARCH_HAVE_NMI_SAFE_CMPXCHG
 26         select GENERIC_LIB_LSHRDI3             !!  28         select AUDIT_ARCH
 27         select GENERIC_PCI_IOMAP if PCI        !!  29         select GENERIC_CPU_VULNERABILITIES
 28         select GENERIC_SCHED_CLOCK             << 
 29         select GENERIC_SMP_IDLE_THREAD             30         select GENERIC_SMP_IDLE_THREAD
 30         select GUP_GET_PXX_LOW_HIGH if X2TLB   << 
 31         select HAS_IOPORT if HAS_IOPORT_MAP    << 
 32         select GENERIC_IOREMAP if MMU          << 
 33         select HAVE_ARCH_AUDITSYSCALL              31         select HAVE_ARCH_AUDITSYSCALL
 34         select HAVE_ARCH_KGDB                  !!  32         select HAVE_MOD_ARCH_SPECIFIC
 35         select HAVE_ARCH_SECCOMP_FILTER        << 
 36         select HAVE_ARCH_TRACEHOOK             << 
 37         select HAVE_DEBUG_BUGVERBOSE           << 
 38         select HAVE_DEBUG_KMEMLEAK             << 
 39         select HAVE_DYNAMIC_FTRACE             << 
 40         select HAVE_GUP_FAST if MMU            << 
 41         select HAVE_FUNCTION_GRAPH_TRACER      << 
 42         select HAVE_FUNCTION_TRACER            << 
 43         select HAVE_FTRACE_MCOUNT_RECORD       << 
 44         select HAVE_HW_BREAKPOINT              << 
 45         select HAVE_IOREMAP_PROT if MMU && !X2 << 
 46         select HAVE_KERNEL_BZIP2               << 
 47         select HAVE_KERNEL_GZIP                << 
 48         select HAVE_KERNEL_LZMA                << 
 49         select HAVE_KERNEL_LZO                 << 
 50         select HAVE_KERNEL_XZ                  << 
 51         select HAVE_KPROBES                    << 
 52         select HAVE_KRETPROBES                 << 
 53         select HAVE_MIXED_BREAKPOINTS_REGS     << 
 54         select HAVE_MOD_ARCH_SPECIFIC if DWARF << 
 55         select HAVE_NMI                        << 
 56         select HAVE_PATA_PLATFORM              << 
 57         select HAVE_PERF_EVENTS                << 
 58         select HAVE_REGS_AND_STACK_ACCESS_API  << 
 59         select HAVE_UID16                      << 
 60         select HAVE_SOFTIRQ_ON_OWN_STACK if IR << 
 61         select HAVE_STACKPROTECTOR             << 
 62         select HAVE_SYSCALL_TRACEPOINTS        << 
 63         select IRQ_FORCED_THREADING            << 
 64         select LOCK_MM_AND_FIND_VMA            << 
 65         select MODULES_USE_ELF_RELA                33         select MODULES_USE_ELF_RELA
 66         select NEED_SG_DMA_LENGTH              !!  34         select ODD_RT_SIGACTION
 67         select NO_DMA if !MMU && !DMA_COHERENT << 
 68         select NO_GENERIC_PCI_IOPORT_MAP if PC << 
 69         select OLD_SIGACTION                   << 
 70         select OLD_SIGSUSPEND                      35         select OLD_SIGSUSPEND
 71         select PCI_DOMAINS if PCI              !!  36         select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
 72         select PERF_EVENTS                     !!  37         select MMU_GATHER_NO_RANGE
 73         select PERF_USE_VMALLOC                !!  38         select SET_FS
 74         select RTC_LIB                         !!  39         select SPARSEMEM_EXTREME if SPARSEMEM
 75         select SPARSE_IRQ                      !!  40         select ZONE_DMA
 76         select TRACE_IRQFLAGS_SUPPORT          !!  41         help
 77         help                                   !!  42           The Alpha is a 64-bit general-purpose processor designed and
 78           The SuperH is a RISC processor targe !!  43           marketed by the Digital Equipment Corporation of blessed memory,
 79           and consumer electronics; it was als !!  44           now Hewlett-Packard.  The Alpha Linux project has a home page at
 80           gaming console.  The SuperH port has !!  45           <http://www.alphalinux.org/>.
 81           <http://www.linux-sh.org/>.          << 
 82                                                    46 
 83 config GENERIC_BUG                             !!  47 config 64BIT
 84         def_bool y                                 48         def_bool y
 85         depends on BUG                         << 
 86                                                    49 
 87 config GENERIC_HWEIGHT                         !!  50 config MMU
 88         def_bool y                             << 
 89                                                << 
 90 config GENERIC_CALIBRATE_DELAY                 << 
 91         bool                                       51         bool
                                                   >>  52         default y
 92                                                    53 
 93 config GENERIC_LOCKBREAK                       !!  54 config ARCH_HAS_ILOG2_U32
 94         def_bool y                             !!  55         bool
 95         depends on SMP && PREEMPTION           !!  56         default n
 96                                                << 
 97 config ARCH_SUSPEND_POSSIBLE                   << 
 98         def_bool n                             << 
 99                                                    57 
100 config ARCH_HIBERNATION_POSSIBLE               !!  58 config ARCH_HAS_ILOG2_U64
101         def_bool n                             !!  59         bool
                                                   >>  60         default n
102                                                    61 
103 config SYS_SUPPORTS_APM_EMULATION              !!  62 config GENERIC_CALIBRATE_DELAY
104         bool                                       63         bool
105         select ARCH_SUSPEND_POSSIBLE           !!  64         default y
106                                                    65 
107 config SYS_SUPPORTS_SMP                        !!  66 config GENERIC_ISA_DMA
108         bool                                       67         bool
                                                   >>  68         default y
109                                                    69 
110 config SYS_SUPPORTS_NUMA                       !!  70 config PGTABLE_LEVELS
                                                   >>  71         int
                                                   >>  72         default 3
                                                   >>  73 
                                                   >>  74 config AUDIT_ARCH
111         bool                                       75         bool
112                                                    76 
113 config STACKTRACE_SUPPORT                      !!  77 menu "System setup"
114         def_bool y                             << 
115                                                    78 
116 config LOCKDEP_SUPPORT                         !!  79 choice
117         def_bool y                             !!  80         prompt "Alpha system type"
                                                   >>  81         default ALPHA_GENERIC
                                                   >>  82         help
                                                   >>  83           This is the system type of your hardware.  A "generic" kernel will
                                                   >>  84           run on any supported Alpha system. However, if you configure a
                                                   >>  85           kernel for your specific system, it will be faster and smaller.
118                                                    86 
119 config ARCH_HAS_ILOG2_U32                      !!  87           To find out what type of Alpha system you have, you may want to
120         def_bool n                             !!  88           check out the Linux/Alpha FAQ, accessible on the WWW from
                                                   >>  89           <http://www.alphalinux.org/>. In summary:
121                                                    90 
122 config ARCH_HAS_ILOG2_U64                      !!  91           Alcor/Alpha-XLT     AS 600, AS 500, XL-300, XL-366
123         def_bool n                             !!  92           Alpha-XL            XL-233, XL-266
                                                   >>  93           AlphaBook1          Alpha laptop
                                                   >>  94           Avanti              AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
                                                   >>  95           Cabriolet           AlphaPC64, AlphaPCI64
                                                   >>  96           DP264               DP264 / DS20 / ES40 / DS10 / DS10L
                                                   >>  97           EB164               EB164 21164 evaluation board
                                                   >>  98           EB64+               EB64+ 21064 evaluation board
                                                   >>  99           EB66                EB66 21066 evaluation board
                                                   >> 100           EB66+               EB66+ 21066 evaluation board
                                                   >> 101           Jensen              DECpc 150, DEC 2000 models 300, 500
                                                   >> 102           LX164               AlphaPC164-LX
                                                   >> 103           Lynx                AS 2100A
                                                   >> 104           Miata               Personal Workstation 433/500/600 a/au
                                                   >> 105           Marvel              AlphaServer ES47 / ES80 / GS1280
                                                   >> 106           Mikasa              AS 1000
                                                   >> 107           Noname              AXPpci33, UDB (Multia)
                                                   >> 108           Noritake            AS 1000A, AS 600A, AS 800
                                                   >> 109           PC164               AlphaPC164
                                                   >> 110           Rawhide             AS 1200, AS 4000, AS 4100
                                                   >> 111           Ruffian             RPX164-2, AlphaPC164-UX, AlphaPC164-BX
                                                   >> 112           SX164               AlphaPC164-SX
                                                   >> 113           Sable               AS 2000, AS 2100
                                                   >> 114           Shark               DS 20L
                                                   >> 115           Takara              Takara (OEM)
                                                   >> 116           Titan               AlphaServer ES45 / DS25 / DS15
                                                   >> 117           Wildfire            AlphaServer GS 40/80/160/320
124                                                   118 
125 config NO_IOPORT_MAP                           !! 119           If you don't know what to do, choose "generic".
126         def_bool !PCI                          << 
127         depends on !SH_SHMIN && !SH_HP6XX && ! << 
128                    !SH_DREAMCAST               << 
129                                                   120 
130 config IO_TRAPPED                              !! 121 config ALPHA_GENERIC
131         bool                                   !! 122         bool "Generic"
                                                   >> 123         depends on TTY
                                                   >> 124         select HAVE_EISA
                                                   >> 125         help
                                                   >> 126           A generic kernel will run on all supported Alpha hardware.
132                                                   127 
133 config SWAP_IO_SPACE                           !! 128 config ALPHA_ALCOR
134         bool                                   !! 129         bool "Alcor/Alpha-XLT"
                                                   >> 130         select HAVE_EISA
                                                   >> 131         help
                                                   >> 132           For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
                                                   >> 133           slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
                                                   >> 134           Address, CIA) - a 383 pin plastic PGA).  It provides a DRAM
                                                   >> 135           controller (256-bit memory bus) and a PCI interface.  It also does
                                                   >> 136           all the work required to support an external Bcache and to maintain
                                                   >> 137           memory coherence when a PCI device DMAs into (or out of) memory.
                                                   >> 138 
                                                   >> 139 config ALPHA_XL
                                                   >> 140         bool "Alpha-XL"
                                                   >> 141         help
                                                   >> 142           XL-233 and XL-266-based Alpha systems.
                                                   >> 143 
                                                   >> 144 config ALPHA_BOOK1
                                                   >> 145         bool "AlphaBook1"
                                                   >> 146         help
                                                   >> 147           Dec AlphaBook1/Burns Alpha-based laptops.
                                                   >> 148 
                                                   >> 149 config ALPHA_AVANTI_CH
                                                   >> 150         bool "Avanti"
                                                   >> 151 
                                                   >> 152 config ALPHA_CABRIOLET
                                                   >> 153         bool "Cabriolet"
                                                   >> 154         help
                                                   >> 155           Cabriolet AlphaPC64, AlphaPCI64 systems.  Derived from EB64+ but now
                                                   >> 156           baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
                                                   >> 157           slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
                                                   >> 158           Bcache SIMMs.  Requires power supply with 3.3V output.
                                                   >> 159 
                                                   >> 160 config ALPHA_DP264
                                                   >> 161         bool "DP264"
                                                   >> 162         help
                                                   >> 163           Various 21264 systems with the tsunami core logic chipset.
                                                   >> 164           API Networks: 264DP, UP2000(+), CS20;
                                                   >> 165           Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
                                                   >> 166 
                                                   >> 167 config ALPHA_EB164
                                                   >> 168         bool "EB164"
                                                   >> 169         help
                                                   >> 170           EB164 21164 evaluation board from DEC.  Uses 21164 and ALCOR.  Has
                                                   >> 171           ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
                                                   >> 172           shared with an ISA slot) and 2 32-bit PCI slots.  Uses plus-in
                                                   >> 173           Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
                                                   >> 174           MOUSE (PS2 style), RTC/NVRAM.  Boot ROM is Flash.  PC-AT-sized
                                                   >> 175           motherboard.  Requires power supply with 3.3V output.
                                                   >> 176 
                                                   >> 177 config ALPHA_EB64P_CH
                                                   >> 178         bool "EB64+"
                                                   >> 179 
                                                   >> 180 config ALPHA_EB66
                                                   >> 181         bool "EB66"
                                                   >> 182         help
                                                   >> 183           A Digital DS group board.  Uses 21066 or 21066A.  I/O sub-system is
                                                   >> 184           identical to EB64+.  Baby PC-AT size.  Runs from standard PC power
                                                   >> 185           supply.  The EB66 schematic was published as a marketing poster
                                                   >> 186           advertising the 21066 as "the first microprocessor in the world with
                                                   >> 187           embedded PCI".
                                                   >> 188 
                                                   >> 189 config ALPHA_EB66P
                                                   >> 190         bool "EB66+"
                                                   >> 191         help
                                                   >> 192           Later variant of the EB66 board.
                                                   >> 193 
                                                   >> 194 config ALPHA_EIGER
                                                   >> 195         bool "Eiger"
                                                   >> 196         help
                                                   >> 197           Apparently an obscure OEM single-board computer based on the
                                                   >> 198           Typhoon/Tsunami chipset family. Information on it is scanty.
                                                   >> 199 
                                                   >> 200 config ALPHA_JENSEN
                                                   >> 201         bool "Jensen"
                                                   >> 202         select HAVE_EISA
                                                   >> 203         help
                                                   >> 204           DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
                                                   >> 205           of the first-generation Alpha systems. A number of these systems
                                                   >> 206           seem to be available on the second- hand market. The Jensen is a
                                                   >> 207           floor-standing tower system which originally used a 150MHz 21064 It
                                                   >> 208           used programmable logic to interface a 486 EISA I/O bridge to the
                                                   >> 209           CPU.
                                                   >> 210 
                                                   >> 211 config ALPHA_LX164
                                                   >> 212         bool "LX164"
                                                   >> 213         help
                                                   >> 214           A technical overview of this board is available at
                                                   >> 215           <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
                                                   >> 216 
                                                   >> 217 config ALPHA_LYNX
                                                   >> 218         bool "Lynx"
                                                   >> 219         select HAVE_EISA
                                                   >> 220         help
                                                   >> 221           AlphaServer 2100A-based systems.
                                                   >> 222 
                                                   >> 223 config ALPHA_MARVEL
                                                   >> 224         bool "Marvel"
                                                   >> 225         help
                                                   >> 226           AlphaServer ES47 / ES80 / GS1280 based on EV7.
                                                   >> 227 
                                                   >> 228 config ALPHA_MIATA
                                                   >> 229         bool "Miata"
                                                   >> 230         select HAVE_EISA
                                                   >> 231         help
                                                   >> 232           The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
                                                   >> 233           or 600au).
                                                   >> 234 
                                                   >> 235 config ALPHA_MIKASA
                                                   >> 236         bool "Mikasa"
                                                   >> 237         help
                                                   >> 238           AlphaServer 1000-based Alpha systems.
                                                   >> 239 
                                                   >> 240 config ALPHA_NAUTILUS
                                                   >> 241         bool "Nautilus"
                                                   >> 242         help
                                                   >> 243           Alpha systems based on the AMD 751 & ALI 1543C chipsets.
                                                   >> 244 
                                                   >> 245 config ALPHA_NONAME_CH
                                                   >> 246         bool "Noname"
                                                   >> 247 
                                                   >> 248 config ALPHA_NORITAKE
                                                   >> 249         bool "Noritake"
                                                   >> 250         select HAVE_EISA
                                                   >> 251         help
                                                   >> 252           AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
                                                   >> 253           systems.
                                                   >> 254 
                                                   >> 255 config ALPHA_PC164
                                                   >> 256         bool "PC164"
                                                   >> 257 
                                                   >> 258 config ALPHA_P2K
                                                   >> 259         bool "Platform2000"
                                                   >> 260 
                                                   >> 261 config ALPHA_RAWHIDE
                                                   >> 262         bool "Rawhide"
                                                   >> 263         select HAVE_EISA
                                                   >> 264         help
                                                   >> 265           AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
                                                   >> 266           See HOWTO at
                                                   >> 267           <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
                                                   >> 268 
                                                   >> 269 config ALPHA_RUFFIAN
                                                   >> 270         bool "Ruffian"
                                                   >> 271         help
                                                   >> 272           Samsung APC164UX.  There is a page on known problems and workarounds
                                                   >> 273           at <http://www.alphalinux.org/faq/FAQ-11.html>.
                                                   >> 274 
                                                   >> 275 config ALPHA_RX164
                                                   >> 276         bool "RX164"
                                                   >> 277 
                                                   >> 278 config ALPHA_SX164
                                                   >> 279         bool "SX164"
                                                   >> 280 
                                                   >> 281 config ALPHA_SABLE
                                                   >> 282         bool "Sable"
                                                   >> 283         select HAVE_EISA
                                                   >> 284         help
                                                   >> 285           Digital AlphaServer 2000 and 2100-based systems.
                                                   >> 286 
                                                   >> 287 config ALPHA_SHARK
                                                   >> 288         bool "Shark"
                                                   >> 289 
                                                   >> 290 config ALPHA_TAKARA
                                                   >> 291         bool "Takara"
                                                   >> 292         help
                                                   >> 293           Alpha 11164-based OEM single-board computer.
135                                                   294 
136 config DMA_COHERENT                            !! 295 config ALPHA_TITAN
                                                   >> 296         bool "Titan"
                                                   >> 297         help
                                                   >> 298           AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
                                                   >> 299 
                                                   >> 300 config ALPHA_WILDFIRE
                                                   >> 301         bool "Wildfire"
                                                   >> 302         help
                                                   >> 303           AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
                                                   >> 304 
                                                   >> 305 endchoice
                                                   >> 306 
                                                   >> 307 # clear all implied options (don't want default values for those):
                                                   >> 308 # Most of these machines have ISA slots; not exactly sure which don't,
                                                   >> 309 # and this doesn't activate hordes of code, so do it always.
                                                   >> 310 config ISA
137         bool                                      311         bool
                                                   >> 312         default y
                                                   >> 313         help
                                                   >> 314           Find out whether you have ISA slots on your motherboard.  ISA is the
                                                   >> 315           name of a bus system, i.e. the way the CPU talks to the other stuff
                                                   >> 316           inside your box.  Other bus systems are PCI, EISA, MicroChannel
                                                   >> 317           (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
                                                   >> 318           newer boards don't support it.  If you have ISA, say Y, otherwise N.
138                                                   319 
139 config DMA_NONCOHERENT                         !! 320 config ISA_DMA_API
140         def_bool !NO_DMA && !DMA_COHERENT      !! 321         bool
141         select ARCH_HAS_DMA_PREP_COHERENT      !! 322         default y
142         select ARCH_HAS_SYNC_DMA_FOR_DEVICE    << 
143         select DMA_DIRECT_REMAP                << 
144                                                   323 
145 config PGTABLE_LEVELS                          !! 324 config ALPHA_NONAME
146         default 3 if X2TLB                     !! 325         bool
147         default 2                              !! 326         depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
                                                   >> 327         default y
                                                   >> 328         help
                                                   >> 329           The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
                                                   >> 330           UDB).  This design was produced by Digital's Technical OEM (TOEM)
                                                   >> 331           group. It uses the 21066 processor running at 166MHz or 233MHz. It
                                                   >> 332           is a baby-AT size, and runs from a standard PC power supply. It has
                                                   >> 333           5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
                                                   >> 334           2 versions, with either PS/2 or large DIN connectors for the
                                                   >> 335           keyboard.
148                                                   336 
149 menu "System type"                             !! 337 config ALPHA_EV4
                                                   >> 338         bool
                                                   >> 339         depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
                                                   >> 340         default y if !ALPHA_LYNX
150                                                   341 
151 #                                              !! 342 config ALPHA_LCA
152 # Processor families                           << 
153 #                                              << 
154 config CPU_SH2                                 << 
155         bool                                      343         bool
156         select SH_INTC                         !! 344         depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
                                                   >> 345         default y
157                                                   346 
158 config CPU_SH2A                                !! 347 config ALPHA_APECS
159         bool                                      348         bool
160         select CPU_SH2                         !! 349         depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
161         select UNCACHED_MAPPING                !! 350         default y
162                                                   351 
163 config CPU_J2                                  !! 352 config ALPHA_EB64P
164         bool                                      353         bool
165         select CPU_SH2                         !! 354         depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
166         select OF                              !! 355         default y
167         select OF_EARLY_FLATTREE               !! 356         help
                                                   >> 357           Uses 21064 or 21064A and APECs.  Has ISA and PCI expansion (3 ISA,
                                                   >> 358           2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
                                                   >> 359           ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
                                                   >> 360           (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
                                                   >> 361           SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM.  PC-AT size.
                                                   >> 362           Runs from standard PC power supply.
                                                   >> 363 
                                                   >> 364 config ALPHA_EV5
                                                   >> 365         bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
                                                   >> 366         default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
168                                                   367 
169 config CPU_SH3                                 !! 368 config ALPHA_EV4
170         bool                                      369         bool
171         select CPU_HAS_INTEVT                  !! 370         default y if ALPHA_LYNX && !ALPHA_EV5
172         select CPU_HAS_SR_RB                   << 
173         select SH_INTC                         << 
174         select SYS_SUPPORTS_SH_TMU             << 
175                                                   371 
176 config CPU_SH4                                 !! 372 config ALPHA_CIA
177         bool                                      373         bool
178         select ARCH_SUPPORTS_HUGETLBFS if MMU  !! 374         depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
179         select CPU_HAS_INTEVT                  !! 375         default y
180         select CPU_HAS_SR_RB                   !! 376 
181         select CPU_HAS_FPU if !CPU_SH4AL_DSP   !! 377 config ALPHA_EV56
182         select SH_INTC                         !! 378         bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
183         select SYS_SUPPORTS_SH_TMU             !! 379         default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
184                                                   380 
185 config CPU_SH4A                                !! 381 config ALPHA_EV56
                                                   >> 382         prompt "EV56 CPU (speed >= 333MHz)?"
                                                   >> 383         depends on ALPHA_NORITAKE || ALPHA_PRIMO
                                                   >> 384 
                                                   >> 385 config ALPHA_EV56
                                                   >> 386         prompt "EV56 CPU (speed >= 400MHz)?"
                                                   >> 387         depends on ALPHA_RAWHIDE
                                                   >> 388 
                                                   >> 389 config ALPHA_PRIMO
                                                   >> 390         bool "EV5 CPU daughtercard (model 5/xxx)?"
                                                   >> 391         depends on ALPHA_NORITAKE || ALPHA_MIKASA
                                                   >> 392         help
                                                   >> 393           Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
                                                   >> 394 
                                                   >> 395 config ALPHA_GAMMA
                                                   >> 396         bool "EV5 CPU(s) (model 5/xxx)?"
                                                   >> 397         depends on ALPHA_SABLE
                                                   >> 398         help
                                                   >> 399           Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
                                                   >> 400 
                                                   >> 401 config ALPHA_GAMMA
186         bool                                      402         bool
187         select CPU_SH4                         !! 403         depends on ALPHA_LYNX
                                                   >> 404         default y
188                                                   405 
189 config CPU_SH4AL_DSP                           !! 406 config ALPHA_T2
190         bool                                      407         bool
191         select CPU_SH4A                        !! 408         depends on ALPHA_SABLE || ALPHA_LYNX
192         select CPU_HAS_DSP                     !! 409         default y
193                                                   410 
194 config CPU_SHX2                                !! 411 config ALPHA_PYXIS
195         bool                                      412         bool
                                                   >> 413         depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
                                                   >> 414         default y
196                                                   415 
197 config CPU_SHX3                                !! 416 config ALPHA_EV6
198         bool                                      417         bool
199         select DMA_COHERENT                    !! 418         depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
200         select SYS_SUPPORTS_SMP                !! 419         default y
201         select SYS_SUPPORTS_NUMA               << 
202                                                   420 
203 config ARCH_SHMOBILE                           !! 421 config ALPHA_TSUNAMI
204         bool                                      422         bool
205         select ARCH_SUSPEND_POSSIBLE           !! 423         depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
206         select PM                              !! 424         default y
207                                                   425 
208 config CPU_HAS_PMU                             !! 426 config ALPHA_EV67
209        depends on CPU_SH4 || CPU_SH4A          !! 427         bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
210        default y                               !! 428         default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
211        bool                                    !! 429         help
                                                   >> 430           Is this a machine based on the EV67 core?  If in doubt, select N here
                                                   >> 431           and the machine will be treated as an EV6.
212                                                   432 
213 choice                                         !! 433 config ALPHA_MCPCIA
214         prompt "Processor sub-type selection"  !! 434         bool
                                                   >> 435         depends on ALPHA_RAWHIDE
                                                   >> 436         default y
215                                                   437 
216 #                                              !! 438 config ALPHA_POLARIS
217 # Processor subtypes                           !! 439         bool
218 #                                              !! 440         depends on ALPHA_RX164
219                                                !! 441         default y
220 # SH-2 Processor Support                       << 
221                                                << 
222 config CPU_SUBTYPE_SH7619                      << 
223         bool "Support SH7619 processor"        << 
224         select CPU_SH2                         << 
225         select SYS_SUPPORTS_SH_CMT             << 
226                                                << 
227 config CPU_SUBTYPE_J2                          << 
228         bool "Support J2 processor"            << 
229         select CPU_J2                          << 
230         select SYS_SUPPORTS_SMP                << 
231         select GENERIC_CLOCKEVENTS_BROADCAST i << 
232                                                << 
233 # SH-2A Processor Support                      << 
234                                                << 
235 config CPU_SUBTYPE_SH7201                      << 
236         bool "Support SH7201 processor"        << 
237         select CPU_SH2A                        << 
238         select CPU_HAS_FPU                     << 
239         select SYS_SUPPORTS_SH_MTU2            << 
240                                                << 
241 config CPU_SUBTYPE_SH7203                      << 
242         bool "Support SH7203 processor"        << 
243         select CPU_SH2A                        << 
244         select CPU_HAS_FPU                     << 
245         select SYS_SUPPORTS_SH_CMT             << 
246         select SYS_SUPPORTS_SH_MTU2            << 
247         select PINCTRL                         << 
248                                                << 
249 config CPU_SUBTYPE_SH7206                      << 
250         bool "Support SH7206 processor"        << 
251         select CPU_SH2A                        << 
252         select SYS_SUPPORTS_SH_CMT             << 
253         select SYS_SUPPORTS_SH_MTU2            << 
254                                                << 
255 config CPU_SUBTYPE_SH7263                      << 
256         bool "Support SH7263 processor"        << 
257         select CPU_SH2A                        << 
258         select CPU_HAS_FPU                     << 
259         select SYS_SUPPORTS_SH_CMT             << 
260         select SYS_SUPPORTS_SH_MTU2            << 
261                                                << 
262 config CPU_SUBTYPE_SH7264                      << 
263         bool "Support SH7264 processor"        << 
264         select CPU_SH2A                        << 
265         select CPU_HAS_FPU                     << 
266         select SYS_SUPPORTS_SH_CMT             << 
267         select SYS_SUPPORTS_SH_MTU2            << 
268         select PINCTRL                         << 
269                                                << 
270 config CPU_SUBTYPE_SH7269                      << 
271         bool "Support SH7269 processor"        << 
272         select CPU_SH2A                        << 
273         select CPU_HAS_FPU                     << 
274         select SYS_SUPPORTS_SH_CMT             << 
275         select SYS_SUPPORTS_SH_MTU2            << 
276         select PINCTRL                         << 
277                                                << 
278 config CPU_SUBTYPE_MXG                         << 
279         bool "Support MX-G processor"          << 
280         select CPU_SH2A                        << 
281         select SYS_SUPPORTS_SH_MTU2            << 
282         help                                   << 
283           Select MX-G if running on an R8A0302 << 
284                                                << 
285 # SH-3 Processor Support                       << 
286                                                << 
287 config CPU_SUBTYPE_SH7705                      << 
288         bool "Support SH7705 processor"        << 
289         select CPU_SH3                         << 
290                                                << 
291 config CPU_SUBTYPE_SH7706                      << 
292         bool "Support SH7706 processor"        << 
293         select CPU_SH3                         << 
294         help                                   << 
295           Select SH7706 if you have a 133 Mhz  << 
296                                                << 
297 config CPU_SUBTYPE_SH7707                      << 
298         bool "Support SH7707 processor"        << 
299         select CPU_SH3                         << 
300         help                                   << 
301           Select SH7707 if you have a  60 Mhz  << 
302                                                << 
303 config CPU_SUBTYPE_SH7708                      << 
304         bool "Support SH7708 processor"        << 
305         select CPU_SH3                         << 
306         help                                   << 
307           Select SH7708 if you have a  60 Mhz  << 
308           if you have a 100 Mhz SH-3 HD6417708 << 
309                                                << 
310 config CPU_SUBTYPE_SH7709                      << 
311         bool "Support SH7709 processor"        << 
312         select CPU_SH3                         << 
313         help                                   << 
314           Select SH7709 if you have a  80 Mhz  << 
315                                                << 
316 config CPU_SUBTYPE_SH7710                      << 
317         bool "Support SH7710 processor"        << 
318         select CPU_SH3                         << 
319         select CPU_HAS_DSP                     << 
320         help                                   << 
321           Select SH7710 if you have a SH3-DSP  << 
322                                                << 
323 config CPU_SUBTYPE_SH7712                      << 
324         bool "Support SH7712 processor"        << 
325         select CPU_SH3                         << 
326         select CPU_HAS_DSP                     << 
327         help                                   << 
328           Select SH7712 if you have a SH3-DSP  << 
329                                                << 
330 config CPU_SUBTYPE_SH7720                      << 
331         bool "Support SH7720 processor"        << 
332         select CPU_SH3                         << 
333         select CPU_HAS_DSP                     << 
334         select SYS_SUPPORTS_SH_CMT             << 
335         select USB_OHCI_SH if USB_OHCI_HCD     << 
336         select PINCTRL                         << 
337         help                                   << 
338           Select SH7720 if you have a SH3-DSP  << 
339                                                << 
340 config CPU_SUBTYPE_SH7721                      << 
341         bool "Support SH7721 processor"        << 
342         select CPU_SH3                         << 
343         select CPU_HAS_DSP                     << 
344         select SYS_SUPPORTS_SH_CMT             << 
345         select USB_OHCI_SH if USB_OHCI_HCD     << 
346         help                                   << 
347           Select SH7721 if you have a SH3-DSP  << 
348                                                << 
349 # SH-4 Processor Support                       << 
350                                                << 
351 config CPU_SUBTYPE_SH7750                      << 
352         bool "Support SH7750 processor"        << 
353         select CPU_SH4                         << 
354         help                                   << 
355           Select SH7750 if you have a 200 Mhz  << 
356                                                << 
357 config CPU_SUBTYPE_SH7091                      << 
358         bool "Support SH7091 processor"        << 
359         select CPU_SH4                         << 
360         help                                   << 
361           Select SH7091 if you have an SH-4 ba << 
362           the Dreamcast, Naomi, and Naomi 2).  << 
363                                                << 
364 config CPU_SUBTYPE_SH7750R                     << 
365         bool "Support SH7750R processor"       << 
366         select CPU_SH4                         << 
367                                                << 
368 config CPU_SUBTYPE_SH7750S                     << 
369         bool "Support SH7750S processor"       << 
370         select CPU_SH4                         << 
371                                                << 
372 config CPU_SUBTYPE_SH7751                      << 
373         bool "Support SH7751 processor"        << 
374         select CPU_SH4                         << 
375         help                                   << 
376           Select SH7751 if you have a 166 Mhz  << 
377           or if you have a HD6417751R CPU.     << 
378                                                << 
379 config CPU_SUBTYPE_SH7751R                     << 
380         bool "Support SH7751R processor"       << 
381         select CPU_SH4                         << 
382                                                << 
383 config CPU_SUBTYPE_SH7760                      << 
384         bool "Support SH7760 processor"        << 
385         select CPU_SH4                         << 
386                                                << 
387 # SH-4A Processor Support                      << 
388                                                << 
389 config CPU_SUBTYPE_SH7723                      << 
390         bool "Support SH7723 processor"        << 
391         select CPU_SH4A                        << 
392         select CPU_SHX2                        << 
393         select ARCH_SHMOBILE                   << 
394         select ARCH_SPARSEMEM_ENABLE           << 
395         select SYS_SUPPORTS_SH_CMT             << 
396         select PINCTRL                         << 
397         help                                   << 
398           Select SH7723 if you have an SH-Mobi << 
399                                                << 
400 config CPU_SUBTYPE_SH7724                      << 
401         bool "Support SH7724 processor"        << 
402         select CPU_SH4A                        << 
403         select CPU_SHX2                        << 
404         select ARCH_SHMOBILE                   << 
405         select ARCH_SPARSEMEM_ENABLE           << 
406         select SYS_SUPPORTS_SH_CMT             << 
407         select PINCTRL                         << 
408         help                                   << 
409           Select SH7724 if you have an SH-Mobi << 
410                                                << 
411 config CPU_SUBTYPE_SH7734                      << 
412         bool "Support SH7734 processor"        << 
413         select CPU_SH4A                        << 
414         select CPU_SHX2                        << 
415         select PINCTRL                         << 
416         help                                   << 
417           Select SH7734 if you have a SH4A SH7 << 
418                                                << 
419 config CPU_SUBTYPE_SH7757                      << 
420         bool "Support SH7757 processor"        << 
421         select CPU_SH4A                        << 
422         select CPU_SHX2                        << 
423         select PINCTRL                         << 
424         help                                   << 
425           Select SH7757 if you have a SH4A SH7 << 
426                                                << 
427 config CPU_SUBTYPE_SH7763                      << 
428         bool "Support SH7763 processor"        << 
429         select CPU_SH4A                        << 
430         select USB_OHCI_SH if USB_OHCI_HCD     << 
431         help                                   << 
432           Select SH7763 if you have a SH4A SH7 << 
433                                                << 
434 config CPU_SUBTYPE_SH7770                      << 
435         bool "Support SH7770 processor"        << 
436         select CPU_SH4A                        << 
437                                                << 
438 config CPU_SUBTYPE_SH7780                      << 
439         bool "Support SH7780 processor"        << 
440         select CPU_SH4A                        << 
441                                                << 
442 config CPU_SUBTYPE_SH7785                      << 
443         bool "Support SH7785 processor"        << 
444         select CPU_SH4A                        << 
445         select CPU_SHX2                        << 
446         select ARCH_SPARSEMEM_ENABLE           << 
447         select SYS_SUPPORTS_NUMA               << 
448         select PINCTRL                         << 
449                                                << 
450 config CPU_SUBTYPE_SH7786                      << 
451         bool "Support SH7786 processor"        << 
452         select CPU_SH4A                        << 
453         select CPU_SHX3                        << 
454         select CPU_HAS_PTEAEX                  << 
455         select GENERIC_CLOCKEVENTS_BROADCAST i << 
456         select USB_OHCI_SH if USB_OHCI_HCD     << 
457         select USB_EHCI_SH if USB_EHCI_HCD     << 
458         select PINCTRL                         << 
459                                                << 
460 config CPU_SUBTYPE_SHX3                        << 
461         bool "Support SH-X3 processor"         << 
462         select CPU_SH4A                        << 
463         select CPU_SHX3                        << 
464         select GENERIC_CLOCKEVENTS_BROADCAST i << 
465         select GPIOLIB                         << 
466         select PINCTRL                         << 
467                                                << 
468 # SH4AL-DSP Processor Support                  << 
469                                                << 
470 config CPU_SUBTYPE_SH7343                      << 
471         bool "Support SH7343 processor"        << 
472         select CPU_SH4AL_DSP                   << 
473         select ARCH_SHMOBILE                   << 
474         select SYS_SUPPORTS_SH_CMT             << 
475                                                << 
476 config CPU_SUBTYPE_SH7722                      << 
477         bool "Support SH7722 processor"        << 
478         select CPU_SH4AL_DSP                   << 
479         select CPU_SHX2                        << 
480         select ARCH_SHMOBILE                   << 
481         select ARCH_SPARSEMEM_ENABLE           << 
482         select SYS_SUPPORTS_NUMA               << 
483         select SYS_SUPPORTS_SH_CMT             << 
484         select PINCTRL                         << 
485                                                << 
486 config CPU_SUBTYPE_SH7366                      << 
487         bool "Support SH7366 processor"        << 
488         select CPU_SH4AL_DSP                   << 
489         select CPU_SHX2                        << 
490         select ARCH_SHMOBILE                   << 
491         select ARCH_SPARSEMEM_ENABLE           << 
492         select SYS_SUPPORTS_NUMA               << 
493         select SYS_SUPPORTS_SH_CMT             << 
494                                                   442 
495 endchoice                                      !! 443 config ALPHA_IRONGATE
                                                   >> 444         bool
                                                   >> 445         depends on ALPHA_NAUTILUS
                                                   >> 446         default y
496                                                   447 
497 source "arch/sh/mm/Kconfig"                    !! 448 config GENERIC_HWEIGHT
498                                                !! 449         bool
499 source "arch/sh/Kconfig.cpu"                   !! 450         default y if !ALPHA_EV67
500                                                << 
501 source "arch/sh/boards/Kconfig"                << 
502                                                << 
503 menu "Timer and clock configuration"           << 
504                                                << 
505 config SH_PCLK_FREQ                            << 
506         int "Peripheral clock frequency (in Hz << 
507         depends on SH_CLK_CPG_LEGACY           << 
508         default "31250000" if CPU_SUBTYPE_SH76 << 
509         default "33333333" if CPU_SUBTYPE_SH77 << 
510                               CPU_SUBTYPE_SH77 << 
511                               CPU_SUBTYPE_SH77 << 
512                               CPU_SUBTYPE_SH72 << 
513                               CPU_SUBTYPE_SH72 << 
514                               CPU_SUBTYPE_SH72 << 
515                               CPU_SUBTYPE_MXG  << 
516         default "60000000" if CPU_SUBTYPE_SH77 << 
517         default "50000000"                     << 
518         help                                   << 
519           This option is used to specify the p << 
520           This is necessary for determining th << 
521           platforms lacking an RTC.            << 
522                                                   451 
523 config SH_CLK_CPG                              !! 452 config ALPHA_AVANTI
524         def_bool y                             !! 453         bool
                                                   >> 454         depends on ALPHA_XL || ALPHA_AVANTI_CH
                                                   >> 455         default y
                                                   >> 456         help
                                                   >> 457           Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
                                                   >> 458           Alphas. Info at
                                                   >> 459           <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
525                                                   460 
526 config SH_CLK_CPG_LEGACY                       !! 461 config ALPHA_BROKEN_IRQ_MASK
527         depends on SH_CLK_CPG                  !! 462         bool
528         def_bool y if !CPU_SUBTYPE_SH7785 && ! !! 463         depends on ALPHA_GENERIC || ALPHA_PC164
529                       !CPU_SHX3 && !CPU_SUBTYP !! 464         default y
530                       !CPU_SUBTYPE_SH7734 && ! << 
531                       !CPU_SUBTYPE_SH7269      << 
532                                                   465 
533 endmenu                                        !! 466 config VGA_HOSE
                                                   >> 467         bool
                                                   >> 468         depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
                                                   >> 469         default y
                                                   >> 470         help
                                                   >> 471           Support VGA on an arbitrary hose; needed for several platforms
                                                   >> 472           which always have multiple hoses, and whose consoles support it.
534                                                   473 
535 menu "CPU Frequency scaling"                   << 
536 source "drivers/cpufreq/Kconfig"               << 
537 endmenu                                        << 
538                                                   474 
539 source "arch/sh/drivers/Kconfig"               !! 475 config ALPHA_QEMU
                                                   >> 476         bool "Run under QEMU emulation"
                                                   >> 477         depends on !ALPHA_GENERIC
                                                   >> 478         help
                                                   >> 479           Assume the presence of special features supported by QEMU PALcode
                                                   >> 480           that reduce the overhead of system emulation.
540                                                   481 
541 endmenu                                        !! 482           Generic kernels will auto-detect QEMU.  But when building a
                                                   >> 483           system-specific kernel, the assumption is that we want to
                                                   >> 484           eliminate as many runtime tests as possible.
                                                   >> 485 
                                                   >> 486           If unsure, say N.
542                                                   487 
543 menu "Kernel features"                         << 
544                                                   488 
545 source "kernel/Kconfig.hz"                     !! 489 config ALPHA_SRM
                                                   >> 490         bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
                                                   >> 491         depends on TTY
                                                   >> 492         default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
                                                   >> 493         help
                                                   >> 494           There are two different types of booting firmware on Alphas: SRM,
                                                   >> 495           which is command line driven, and ARC, which uses menus and arrow
                                                   >> 496           keys. Details about the Linux/Alpha booting process are contained in
                                                   >> 497           the Linux/Alpha FAQ, accessible on the WWW from
                                                   >> 498           <http://www.alphalinux.org/>.
546                                                   499 
547 config ARCH_SUPPORTS_KEXEC                     !! 500           The usual way to load Linux on an Alpha machine is to use MILO
548         def_bool MMU                           !! 501           (a bootloader that lets you pass command line parameters to the
                                                   >> 502           kernel just like lilo does for the x86 architecture) which can be
                                                   >> 503           loaded either from ARC or can be installed directly as a permanent
                                                   >> 504           firmware replacement from floppy (which requires changing a certain
                                                   >> 505           jumper on the motherboard). If you want to do either of these, say N
                                                   >> 506           here. If MILO doesn't work on your system (true for Jensen
                                                   >> 507           motherboards), you can bypass it altogether and boot Linux directly
                                                   >> 508           from an SRM console; say Y here in order to do that. Note that you
                                                   >> 509           won't be able to boot from an IDE disk using SRM.
549                                                   510 
550 config ARCH_SUPPORTS_CRASH_DUMP                !! 511           If unsure, say N.
551         def_bool BROKEN_ON_SMP                 << 
552                                                   512 
553 config ARCH_SUPPORTS_KEXEC_JUMP                !! 513 config ARCH_MAY_HAVE_PC_FDC
554         def_bool y                                514         def_bool y
555                                                   515 
556 config PHYSICAL_START                          << 
557         hex "Physical address where the kernel << 
558         default MEMORY_START                   << 
559         help                                   << 
560           This gives the physical address wher << 
561           and is ordinarily the same as MEMORY << 
562                                                << 
563           Different values are primarily used  << 
564           where the fail safe kernel needs to  << 
565           than the panic-ed kernel.            << 
566                                                << 
567 config SMP                                        516 config SMP
568         bool "Symmetric multi-processing suppo    517         bool "Symmetric multi-processing support"
569         depends on SYS_SUPPORTS_SMP            !! 518         depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
570         help                                      519         help
571           This enables support for systems wit    520           This enables support for systems with more than one CPU. If you have
572           a system with only one CPU, say N. I    521           a system with only one CPU, say N. If you have a system with more
573           than one CPU, say Y.                    522           than one CPU, say Y.
574                                                   523 
575           If you say N here, the kernel will r    524           If you say N here, the kernel will run on uni- and multiprocessor
576           machines, but will use only one CPU     525           machines, but will use only one CPU of a multiprocessor machine. If
577           you say Y here, the kernel will run     526           you say Y here, the kernel will run on many, but not all,
578           uniprocessor machines. On a uniproce    527           uniprocessor machines. On a uniprocessor machine, the kernel
579           will run faster if you say N here.      528           will run faster if you say N here.
580                                                   529 
581           People using multiprocessor machines !! 530           See also the SMP-HOWTO available at
582           Y to "Enhanced Real Time Clock Suppo !! 531           <https://www.tldp.org/docs.html#howto>.
583                                                << 
584           See also <file:Documentation/admin-g << 
585           available at <https://www.tldp.org/d << 
586                                                   532 
587           If you don't know what to do here, s    533           If you don't know what to do here, say N.
588                                                   534 
589 config NR_CPUS                                    535 config NR_CPUS
590         int "Maximum number of CPUs (2-32)"       536         int "Maximum number of CPUs (2-32)"
591         range 2 32                                537         range 2 32
592         depends on SMP                            538         depends on SMP
593         default "4" if CPU_SUBTYPE_SHX3        !! 539         default "32" if ALPHA_GENERIC || ALPHA_MARVEL
594         default "2"                            !! 540         default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
595         help                                      541         help
596           This allows you to specify the maxim !! 542           MARVEL support can handle a maximum of 32 CPUs, all the others
597           kernel will support.  The maximum su !! 543           with working support have a maximum of 4 CPUs.
598           minimum value which makes sense is 2 << 
599                                                   544 
600           This is purely to save memory - each !! 545 config ARCH_SPARSEMEM_ENABLE
601           approximately eight kilobytes to the !! 546         bool "Sparse Memory Support"
602                                                << 
603 config HOTPLUG_CPU                             << 
604         bool "Support for hot-pluggable CPUs ( << 
605         depends on SMP                         << 
606         help                                      547         help
607           Say Y here to experiment with turnin !! 548           Say Y to support efficient handling of discontiguous physical memory,
608           can be controlled through /sys/devic !! 549           for systems that have huge holes in the physical address space.
609                                                   550 
610 config GUSA                                    !! 551 config ALPHA_WTINT
611         def_bool y                             !! 552         bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
612         depends on !SMP                        !! 553         default y if ALPHA_QEMU
                                                   >> 554         default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
                                                   >> 555         default n if !ALPHA_SRM && !ALPHA_GENERIC
                                                   >> 556         default y if SMP
613         help                                      557         help
614           This enables support for gUSA (gener !! 558           The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
615           This is the default implementation f !! 559           to sleep until the next interrupt.  This may reduce the power
616           CPUs, and is used by the libc, among !! 560           consumed, and the heat produced by the computer.  However, it has
                                                   >> 561           the side effect of making the cycle counter unreliable as a timing
                                                   >> 562           device across the sleep.
617                                                   563 
618           For additional information, design i !! 564           For emulation under QEMU, definitely say Y here, as we have other
619           in <http://lc.linux.or.jp/lc2002/pap !! 565           mechanisms for measuring time than the cycle counter.
620                                                   566 
621           This should only be disabled for spe !! 567           For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
622           atomicity implementations exist.     !! 568           MILO, sleep mode is not supported so you might as well say N here.
623                                                   569 
624 config GUSA_RB                                 !! 570           For SMP systems we cannot use the cycle counter for timing anyway,
625         bool "Implement atomic operations by r !! 571           so you might as well say Y here.
626         depends on GUSA && CPU_SH3 || (CPU_SH4 << 
627         help                                   << 
628           Enabling this option will allow the  << 
629           atomic operations using a software i << 
630           store-conditional (LLSC). On machine << 
631           LLSC, this should be more efficient  << 
632           disabling interrupts around the atom << 
633                                                   572 
634 config HW_PERF_EVENTS                          !! 573           If unsure, say N.
635         bool "Enable hardware performance coun << 
636         depends on PERF_EVENTS && CPU_HAS_PMU  << 
637         default y                              << 
638         help                                   << 
639           Enable hardware performance counter  << 
640           disabled, perf events will use softw << 
641                                                << 
642 source "drivers/sh/Kconfig"                    << 
643                                                << 
644 endmenu                                        << 
645                                                << 
646 menu "Boot options"                            << 
647                                                   574 
648 config USE_BUILTIN_DTB                         !! 575 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
649         bool "Use builtin DTB"                 !! 576 config ALPHA_LARGE_VMALLOC
650         default n                              !! 577         bool
651         depends on SH_DEVICE_TREE              << 
652         help                                      578         help
653           Link a device tree blob for particul !! 579           Process creation and other aspects of virtual memory management can
654           suppressing use of the DTB pointer p !! 580           be streamlined if we restrict the kernel to one PGD for all vmalloc
655           This option should only be used with !! 581           allocations.  This equates to about 8GB.
656           not capable of providing a DTB to th << 
657           hardware without stable device tree  << 
658                                                << 
659 config BUILTIN_DTB_SOURCE                      << 
660         string "Source file for builtin DTB"   << 
661         default ""                             << 
662         depends on USE_BUILTIN_DTB             << 
663         help                                   << 
664           Base name (without suffix, relative  << 
665           a DTS file that will be used to prod << 
666           kernel.                              << 
667                                                << 
668 config ZERO_PAGE_OFFSET                        << 
669         hex                                    << 
670         default "0x00010000" if PAGE_SIZE_64KB << 
671                                 SH_7751_SOLUTI << 
672         default "0x00004000" if PAGE_SIZE_16KB << 
673         default "0x00002000" if PAGE_SIZE_8KB  << 
674         default "0x00001000"                   << 
675         help                                   << 
676           This sets the default offset of zero << 
677                                                << 
678 config BOOT_LINK_OFFSET                        << 
679         hex                                    << 
680         default "0x00210000" if SH_SHMIN       << 
681         default "0x00810000" if SH_7780_SOLUTI << 
682         default "0x009e0000" if SH_TITAN       << 
683         default "0x01800000" if SH_SDK7780     << 
684         default "0x02000000" if SH_EDOSK7760   << 
685         default "0x00800000"                   << 
686         help                                   << 
687           This option allows you to set the li << 
688           This can be useful if you are on a b << 
689           memory.                              << 
690                                                << 
691 config ENTRY_OFFSET                            << 
692         hex                                    << 
693         default "0x00001000" if PAGE_SIZE_4KB  << 
694         default "0x00002000" if PAGE_SIZE_8KB  << 
695         default "0x00004000" if PAGE_SIZE_16KB << 
696         default "0x00010000" if PAGE_SIZE_64KB << 
697         default "0x00000000"                   << 
698                                                << 
699 config ROMIMAGE_MMCIF                          << 
700         bool "Include MMCIF loader in romImage << 
701         depends on CPU_SUBTYPE_SH7724          << 
702         help                                   << 
703           Say Y here to include experimental M << 
704           romImage. With this enabled it is po << 
705           kernel image to an MMC card and boot << 
706           the reset vector. At reset the proce << 
707           first part of the romImage which in  << 
708           image to RAM using the MMCIF hardwar << 
709                                                   582 
710 choice                                         !! 583           Under normal circumstances, this is so far and above what is needed
711         prompt "Kernel command line"           !! 584           as to be laughable.  However, there are certain applications (such
712         default CMDLINE_OVERWRITE              !! 585           as benchmark-grade in-kernel web serving) that can make use of as
713         help                                   !! 586           much vmalloc space as is available.
714           Setting this option allows the kerne << 
715           to be set.                           << 
716                                                   587 
717 config CMDLINE_OVERWRITE                       !! 588           Say N unless you know you need gobs and gobs of vmalloc space.
718         bool "Overwrite bootloader kernel argu << 
719         help                                   << 
720           Given string will overwrite any argu << 
721           a bootloader.                        << 
722                                                   589 
723 config CMDLINE_EXTEND                          !! 590 config VERBOSE_MCHECK
724         bool "Extend bootloader kernel argumen !! 591         bool "Verbose Machine Checks"
725         help                                   << 
726           Given string will be concatenated wi << 
727           by a bootloader.                     << 
728                                                   592 
729 config CMDLINE_FROM_BOOTLOADER                 !! 593 config VERBOSE_MCHECK_ON
730         bool "Use bootloader kernel arguments" !! 594         int "Verbose Printing Mode (0=off, 1=on, 2=all)"
                                                   >> 595         depends on VERBOSE_MCHECK
                                                   >> 596         default 1
731         help                                      597         help
732           Uses the command-line options passed !! 598           This option allows the default printing mode to be set, and then
                                                   >> 599           possibly overridden by a boot command argument.
733                                                   600 
734 endchoice                                      !! 601           For example, if one wanted the option of printing verbose
                                                   >> 602           machine checks, but wanted the default to be as if verbose
                                                   >> 603           machine check printing was turned off, then one would choose
                                                   >> 604           the printing mode to be 0. Then, upon reboot, one could add
                                                   >> 605           the boot command line "verbose_mcheck=1" to get the normal
                                                   >> 606           verbose machine check printing, or "verbose_mcheck=2" to get
                                                   >> 607           the maximum information available.
735                                                   608 
736 config CMDLINE                                 !! 609           Take the default (1) unless you want more control or more info.
737         string "Kernel command line arguments  << 
738         depends on CMDLINE_OVERWRITE || CMDLIN << 
739         default "console=ttySC1,115200"        << 
740                                                   610 
741 endmenu                                        !! 611 choice
                                                   >> 612         prompt "Timer interrupt frequency (HZ)?"
                                                   >> 613         default HZ_128 if ALPHA_QEMU
                                                   >> 614         default HZ_1200 if ALPHA_RAWHIDE
                                                   >> 615         default HZ_1024
                                                   >> 616         help
                                                   >> 617           The frequency at which timer interrupts occur.  A high frequency
                                                   >> 618           minimizes latency, whereas a low frequency minimizes overhead of
                                                   >> 619           process accounting.  The later effect is especially significant
                                                   >> 620           when being run under QEMU.
                                                   >> 621 
                                                   >> 622           Note that some Alpha hardware cannot change the interrupt frequency
                                                   >> 623           of the timer.  If unsure, say 1024 (or 1200 for Rawhide).
                                                   >> 624 
                                                   >> 625         config HZ_32
                                                   >> 626                 bool "32 Hz"
                                                   >> 627         config HZ_64
                                                   >> 628                 bool "64 Hz"
                                                   >> 629         config HZ_128
                                                   >> 630                 bool "128 Hz"
                                                   >> 631         config HZ_256
                                                   >> 632                 bool "256 Hz"
                                                   >> 633         config HZ_1024
                                                   >> 634                 bool "1024 Hz"
                                                   >> 635         config HZ_1200
                                                   >> 636                 bool "1200 Hz"
                                                   >> 637 endchoice
742                                                   638 
743 menu "Bus options"                             !! 639 config HZ
                                                   >> 640         int
                                                   >> 641         default 32 if HZ_32
                                                   >> 642         default 64 if HZ_64
                                                   >> 643         default 128 if HZ_128
                                                   >> 644         default 256 if HZ_256
                                                   >> 645         default 1200 if HZ_1200
                                                   >> 646         default 1024
                                                   >> 647 
                                                   >> 648 config SRM_ENV
                                                   >> 649         tristate "SRM environment through procfs"
                                                   >> 650         depends on PROC_FS
                                                   >> 651         help
                                                   >> 652           If you enable this option, a subdirectory inside /proc called
                                                   >> 653           /proc/srm_environment will give you access to the all important
                                                   >> 654           SRM environment variables (those which have a name) and also
                                                   >> 655           to all others (by their internal number).
                                                   >> 656 
                                                   >> 657           SRM is something like a BIOS for Alpha machines. There are some
                                                   >> 658           other such BIOSes, like AlphaBIOS, which this driver cannot
                                                   >> 659           support (hey, that's not SRM!).
                                                   >> 660 
                                                   >> 661           Despite the fact that this driver doesn't work on all Alphas (but
                                                   >> 662           only on those which have SRM as their firmware), it's save to
                                                   >> 663           build it even if your particular machine doesn't know about SRM
                                                   >> 664           (or if you intend to compile a generic kernel). It will simply
                                                   >> 665           not create those subdirectory in /proc (and give you some warning,
                                                   >> 666           of course).
744                                                   667 
745 config MAPLE                                   !! 668           This driver is also available as a module and will be called
746         bool "Maple Bus support"               !! 669           srm_env then.
747         depends on SH_DREAMCAST                << 
748         help                                   << 
749          The Maple Bus is SEGA's serial commun << 
750          on the Dreamcast. Without this bus su << 
751          get your Dreamcast keyboard etc to wo << 
752          probably want to say 'Y' here, unless << 
753          Dreamcast with a serial line terminal << 
754          connection.                           << 
755                                                   670 
756 endmenu                                           671 endmenu
757                                                   672 
758 menu "Power management options (EXPERIMENTAL)" !! 673 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
759                                                !! 674 # but we also need it if VGA_HOSE is set
760 source "kernel/power/Kconfig"                  !! 675 config DUMMY_CONSOLE
761                                                !! 676         bool
762 source "drivers/cpuidle/Kconfig"               !! 677         depends on VGA_HOSE
763                                                !! 678         default y
764 endmenu                                        << 
                                                      

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