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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/mips/Kconfig (Version linux-2.6.0)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 config MIPS
  2 config SUPERH                                  !!   2         bool
  3         def_bool y                             !!   3         default y
  4         select ARCH_32BIT_OFF_T                !!   4 
  5         select ARCH_HAS_CPU_CACHE_ALIASING     !!   5 config MIPS64
  6         select ARCH_HAVE_NMI_SAFE_CMPXCHG if ( !!   6         bool "64-bit kernel"
  7         select ARCH_HAS_BINFMT_FLAT if !MMU    !!   7         help
  8         select ARCH_HAS_CPU_FINALIZE_INIT      !!   8           Select this option if you want to build a 64-bit kernel.  You should
  9         select ARCH_HAS_CURRENT_STACK_POINTER  !!   9           only select this option if you have hardware that actually has a
 10         select ARCH_HAS_GIGANTIC_PAGE          !!  10           32-bit processor and if your application will actually benefit from
 11         select ARCH_HAS_GCOV_PROFILE_ALL       !!  11           64-bit processing, otherwise say N.  You must say Y for kernels for
 12         select ARCH_HAS_PTE_SPECIAL            !!  12           SGI IP27 (Origin 200 and 2000).  If in doubt say N.
 13         select ARCH_HAS_TICK_BROADCAST if GENE !!  13 
 14         select ARCH_HIBERNATION_POSSIBLE if MM !!  14 config 64BIT
 15         select ARCH_MIGHT_HAVE_PC_PARPORT      !!  15         def_bool MIPS64
 16         select ARCH_WANT_IPC_PARSE_VERSION     << 
 17         select ARCH_NEED_CMPXCHG_1_EMU         << 
 18         select CPU_NO_EFFICIENT_FFS            << 
 19         select DMA_DECLARE_COHERENT            << 
 20         select GENERIC_ATOMIC64                << 
 21         select GENERIC_CMOS_UPDATE if SH_SH03  << 
 22         select GENERIC_IDLE_POLL_SETUP         << 
 23         select GENERIC_IRQ_SHOW                << 
 24         select GENERIC_LIB_ASHLDI3             << 
 25         select GENERIC_LIB_ASHRDI3             << 
 26         select GENERIC_LIB_LSHRDI3             << 
 27         select GENERIC_PCI_IOMAP if PCI        << 
 28         select GENERIC_SCHED_CLOCK             << 
 29         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          << 
 34         select HAVE_ARCH_KGDB                  << 
 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            << 
 66         select NEED_SG_DMA_LENGTH              << 
 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                  << 
 71         select PCI_DOMAINS if PCI              << 
 72         select PERF_EVENTS                     << 
 73         select PERF_USE_VMALLOC                << 
 74         select RTC_LIB                         << 
 75         select SPARSE_IRQ                      << 
 76         select TRACE_IRQFLAGS_SUPPORT          << 
 77         help                                   << 
 78           The SuperH is a RISC processor targe << 
 79           and consumer electronics; it was als << 
 80           gaming console.  The SuperH port has << 
 81           <http://www.linux-sh.org/>.          << 
 82                                                << 
 83 config GENERIC_BUG                             << 
 84         def_bool y                             << 
 85         depends on BUG                         << 
 86                                                << 
 87 config GENERIC_HWEIGHT                         << 
 88         def_bool y                             << 
 89                                                << 
 90 config GENERIC_CALIBRATE_DELAY                 << 
 91         bool                                   << 
 92                                                << 
 93 config GENERIC_LOCKBREAK                       << 
 94         def_bool y                             << 
 95         depends on SMP && PREEMPTION           << 
 96                                                << 
 97 config ARCH_SUSPEND_POSSIBLE                   << 
 98         def_bool n                             << 
 99                                                << 
100 config ARCH_HIBERNATION_POSSIBLE               << 
101         def_bool n                             << 
102                                                << 
103 config SYS_SUPPORTS_APM_EMULATION              << 
104         bool                                   << 
105         select ARCH_SUSPEND_POSSIBLE           << 
106                                                << 
107 config SYS_SUPPORTS_SMP                        << 
108         bool                                   << 
109                                                << 
110 config SYS_SUPPORTS_NUMA                       << 
111         bool                                   << 
112                                                << 
113 config STACKTRACE_SUPPORT                      << 
114         def_bool y                             << 
115                                                << 
116 config LOCKDEP_SUPPORT                         << 
117         def_bool y                             << 
118                                                << 
119 config ARCH_HAS_ILOG2_U32                      << 
120         def_bool n                             << 
121                                                << 
122 config ARCH_HAS_ILOG2_U64                      << 
123         def_bool n                             << 
124                                                << 
125 config NO_IOPORT_MAP                           << 
126         def_bool !PCI                          << 
127         depends on !SH_SHMIN && !SH_HP6XX && ! << 
128                    !SH_DREAMCAST               << 
129                                                    16 
130 config IO_TRAPPED                              !!  17 config MIPS32
131         bool                                       18         bool
                                                   >>  19         depends on MIPS64 = 'n'
                                                   >>  20         default y
132                                                    21 
133 config SWAP_IO_SPACE                           !!  22 mainmenu "Linux/MIPS Kernel Configuration"
                                                   >>  23 
                                                   >>  24 source "init/Kconfig"
                                                   >>  25 
                                                   >>  26 menu "Machine selection"
                                                   >>  27 
                                                   >>  28 config ACER_PICA_61
                                                   >>  29         bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
                                                   >>  30         depends on EXPERIMENTAL
                                                   >>  31         help
                                                   >>  32           This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
                                                   >>  33           kernel that runs on these, say Y here. For details about Linux on
                                                   >>  34           the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
                                                   >>  35           <http://oss.sgi.com/mips/>.
                                                   >>  36 
                                                   >>  37 config BAGET_MIPS
                                                   >>  38         bool "Support for BAGET MIPS series (EXPERIMENTAL)"
                                                   >>  39         depends on MIPS32 && EXPERIMENTAL
                                                   >>  40         help
                                                   >>  41           This enables support for the Baget, a Russian embedded system.  For
                                                   >>  42           more details about the Baget see the Linux/MIPS FAQ on
                                                   >>  43           <http://oss.sgi.com/mips/>.
                                                   >>  44 
                                                   >>  45 config CASIO_E55
                                                   >>  46         bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
                                                   >>  47 
                                                   >>  48 config MIPS_COBALT
                                                   >>  49         bool "Support for Cobalt Server (EXPERIMENTAL)"
                                                   >>  50         depends on EXPERIMENTAL
                                                   >>  51 
                                                   >>  52 config DECSTATION
                                                   >>  53         bool "Support for DECstations"
                                                   >>  54         depends on MIPS32 || EXPERIMENTAL
                                                   >>  55         ---help---
                                                   >>  56           This enables support for DEC's MIPS based workstations.  For details
                                                   >>  57           see the Linux/MIPS FAQ on <http://oss.sgi.com/mips/> and the
                                                   >>  58           DECstation porting pages on <http://decstation.unix-ag.org/>.
                                                   >>  59 
                                                   >>  60           If you have one of the following DECstation Models you definitely
                                                   >>  61           want to choose R4xx0 for the CPU Type:
                                                   >>  62 
                                                   >>  63                 DECstation 5000/50
                                                   >>  64                 DECstation 5000/150
                                                   >>  65                 DECstation 5000/260
                                                   >>  66                 DECsystem 5900/260
                                                   >>  67 
                                                   >>  68           otherwise choose R3000.
                                                   >>  69 
                                                   >>  70 config MIPS_EV64120
                                                   >>  71         bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
                                                   >>  72         depends on EXPERIMENTAL
                                                   >>  73         help
                                                   >>  74           This is an evaluation board based on the Galileo GT-64120
                                                   >>  75           single-chip system controller that contains a MIPS R5000 compatible
                                                   >>  76           core running at 75/100MHz.  Their website is located at
                                                   >>  77           <http://www.galileot.com/>.  Say Y here if you wish to build a
                                                   >>  78           kernel for this platform.
                                                   >>  79 
                                                   >>  80 config EVB_PCI1
                                                   >>  81         bool "Enable Second PCI (PCI1)"
                                                   >>  82         depends on MIPS_EV64120
                                                   >>  83 
                                                   >>  84 if MOMENCO_OCELOT_G || MOMENCO_OCELOT
                                                   >>  85 
                                                   >>  86 config SYSCLK_100
134         bool                                       87         bool
                                                   >>  88         default y
                                                   >>  89 
                                                   >>  90 endif
                                                   >>  91 if MIPS_EV64120
                                                   >>  92 
                                                   >>  93 choice
                                                   >>  94         prompt "Galileo Chip Clock"
                                                   >>  95         default SYSCLK_83
                                                   >>  96 
                                                   >>  97 config SYSCLK_75
                                                   >>  98         bool "75"
                                                   >>  99 
                                                   >> 100 config SYSCLK_83
                                                   >> 101         bool "83.3"
                                                   >> 102 
                                                   >> 103 config SYSCLK_100
                                                   >> 104         bool "100" if MIPS_EV64120
                                                   >> 105 
                                                   >> 106 endchoice
                                                   >> 107 
                                                   >> 108 endif
                                                   >> 109 
                                                   >> 110 config MIPS_EV96100
                                                   >> 111         bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
                                                   >> 112         depends on EXPERIMENTAL
                                                   >> 113         help
                                                   >> 114           This is an evaluation board based on the Galielo GT-96100 LAN/WAN
                                                   >> 115           communications controllers containing a MIPS R5000 compatible core
                                                   >> 116           running at 83MHz. Their website is <http://www.galileot.com/>. Say Y
                                                   >> 117           here if you wish to build a kernel for this platform.
                                                   >> 118 
                                                   >> 119 config MIPS_IVR
                                                   >> 120         bool "Support for Globespan IVR board"
                                                   >> 121         help
                                                   >> 122           This is an evaluation board built by Globespan to showcase thir
                                                   >> 123           iVR (Internet Video Recorder) design. It utilizes a QED RM5231
                                                   >> 124           R5000 MIPS core. More information can be found out their website
                                                   >> 125           located at <http://www.globespan.net/products/product4.html>P. Say Y
                                                   >> 126           here if you wish to build a kernel for this platform.
                                                   >> 127 
                                                   >> 128 config LASAT
                                                   >> 129         bool "Support for LASAT Networks platforms"
                                                   >> 130 
                                                   >> 131 config PICVUE
                                                   >> 132         tristate "PICVUE LCD display driver"
                                                   >> 133         depends on LASAT
                                                   >> 134 
                                                   >> 135 config PICVUE_PROC
                                                   >> 136         tristate "PICVUE LCD display driver /proc interface"
                                                   >> 137         depends on PICVUE
                                                   >> 138 
                                                   >> 139 config DS1603
                                                   >> 140         bool "DS1603 RTC driver"
                                                   >> 141         depends on LASAT
                                                   >> 142 
                                                   >> 143 config LASAT_SYSCTL
                                                   >> 144         bool "LASAT sysctl interface"
                                                   >> 145         depends on LASAT
                                                   >> 146 
                                                   >> 147 config HP_LASERJET
                                                   >> 148         bool "Support for Hewlett Packard LaserJet board"
                                                   >> 149 
                                                   >> 150 config IBM_WORKPAD
                                                   >> 151         bool "Support for IBM WorkPad z50"
                                                   >> 152 
                                                   >> 153 config MIPS_ITE8172
                                                   >> 154         bool "Support for ITE 8172G board"
                                                   >> 155         help
                                                   >> 156           Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
                                                   >> 157           with ATX form factor that utilizes a MIPS R5000 to work with its
                                                   >> 158           ITE8172G companion internet appliance chip. The MIPS core can be
                                                   >> 159           either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
                                                   >> 160           a kernel for this platform.
                                                   >> 161 
                                                   >> 162 config IT8172_REVC
                                                   >> 163         bool "Support for older IT8172 (Rev C)"
                                                   >> 164         depends on MIPS_ITE8172
                                                   >> 165         help
                                                   >> 166           Say Y here to support the older, Revision C version of the Integrated
                                                   >> 167           Technology Express, Inc. ITE8172 SBC.  Vendor page at
                                                   >> 168           <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
                                                   >> 169           board at <http://www.mvista.com/allies/semiconductor/ite.html>.
                                                   >> 170 
                                                   >> 171 config MIPS_ATLAS
                                                   >> 172         bool "Support for MIPS Atlas board"
                                                   >> 173         help
                                                   >> 174           This enables support for the QED R5231-based MIPS Atlas evaluation
                                                   >> 175           board.
                                                   >> 176 
                                                   >> 177 config MIPS_MAGNUM_4000
                                                   >> 178         bool "Support for MIPS Magnum 4000"
                                                   >> 179         help
                                                   >> 180           This is a machine with a R4000 100 MHz CPU. To compile a Linux
                                                   >> 181           kernel that runs on these, say Y here. For details about Linux on
                                                   >> 182           the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
                                                   >> 183           <http://oss.sgi.com/mips/>.
                                                   >> 184 
                                                   >> 185 config MIPS_MALTA
                                                   >> 186         bool "Support for MIPS Malta board"
                                                   >> 187         help
                                                   >> 188           This enables support for the VR5000-based MIPS Malta evaluation
                                                   >> 189           board.
                                                   >> 190 
                                                   >> 191 config MIPS_SEAD
                                                   >> 192         bool "Support for MIPS SEAD board (EXPERIMENTAL)"
                                                   >> 193         depends on EXPERIMENTAL
                                                   >> 194 
                                                   >> 195 config MOMENCO_OCELOT
                                                   >> 196         bool "Support for Momentum Ocelot board"
                                                   >> 197         help
                                                   >> 198           The Ocelot is a MIPS-based Single Board Computer (SBC) made by
                                                   >> 199           Momentum Computer <http://www.momenco.com/>.
                                                   >> 200 
                                                   >> 201 config MOMENCO_OCELOT_G
                                                   >> 202         bool "Support for Momentum Ocelot-G board"
                                                   >> 203         help
                                                   >> 204           The Ocelot is a MIPS-based Single Board Computer (SBC) made by
                                                   >> 205           Momentum Computer <http://www.momenco.com/>.
                                                   >> 206 
                                                   >> 207 config MOMENCO_OCELOT_C
                                                   >> 208         bool "Support for Momentum Ocelot-C board"
                                                   >> 209         help
                                                   >> 210           The Ocelot is a MIPS-based Single Board Computer (SBC) made by
                                                   >> 211           Momentum Computer <http://www.momenco.com/>.
                                                   >> 212 
                                                   >> 213 config DDB5074
                                                   >> 214         bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
                                                   >> 215         depends on EXPERIMENTAL
                                                   >> 216         help
                                                   >> 217           This enables support for the VR5000-based NEC DDB Vrc-5074
                                                   >> 218           evaluation board.
                                                   >> 219 
                                                   >> 220 config DDB5476
                                                   >> 221         bool "Support for NEC DDB Vrc-5476"
                                                   >> 222         help
                                                   >> 223           This enables support for the R5432-based NEC DDB Vrc-5476
                                                   >> 224           evaluation board.
                                                   >> 225 
                                                   >> 226           Features : kernel debugging, serial terminal, NFS root fs, on-board
                                                   >> 227           ether port USB, AC97, PCI, PCI VGA card & framebuffer console, 
                                                   >> 228           IDE controller, PS2 keyboard, PS2 mouse, etc.
                                                   >> 229 
                                                   >> 230 config DDB5477
                                                   >> 231         bool "Support for NEC DDB Vrc-5477"
                                                   >> 232         help
                                                   >> 233           This enables support for the R5432-based NEC DDB Vrc-5477,
                                                   >> 234           or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
                                                   >> 235 
                                                   >> 236           Features : kernel debugging, serial terminal, NFS root fs, on-board
                                                   >> 237           ether port USB, AC97, PCI, etc.
                                                   >> 238 
                                                   >> 239 config DDB5477_BUS_FREQUENCY
                                                   >> 240         int "bus frequency (in kHZ, 0 for auto-detect)"
                                                   >> 241         depends on DDB5477
                                                   >> 242         default 0
                                                   >> 243         
                                                   >> 244 config NEC_OSPREY
                                                   >> 245         bool "Support for NEC Osprey board"
                                                   >> 246 
                                                   >> 247 config NEC_EAGLE
                                                   >> 248         bool "Support for NEC Eagle/Hawk board"
                                                   >> 249 
                                                   >> 250 config OLIVETTI_M700
                                                   >> 251         bool "Support for Olivetti M700-10"
                                                   >> 252         help
                                                   >> 253           This is a machine with a R4000 100 MHz CPU. To compile a Linux
                                                   >> 254           kernel that runs on these, say Y here. For details about Linux on
                                                   >> 255           the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
                                                   >> 256           <http://oss.sgi.com/mips/>.
                                                   >> 257 
                                                   >> 258 config SGI_IP22
                                                   >> 259         bool "Support for SGI IP22 (Indy/Indigo2)"
                                                   >> 260         help
                                                   >> 261           This are the SGI Indy, Challenge S and Indigo2, as well as certain
                                                   >> 262           OEM variants like the Tandem CMN B006S. To compile a Linux kernel
                                                   >> 263           that runs on these, say Y here.
                                                   >> 264 
                                                   >> 265 config SGI_IP27
                                                   >> 266         bool "Support for SGI IP27 (Origin200/2000)"
                                                   >> 267         depends on MIPS64
                                                   >> 268         help
                                                   >> 269           This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
                                                   >> 270           workstations.  To compile a Linux kernel that runs on these, say Y
                                                   >> 271           here.
                                                   >> 272 
                                                   >> 273 #config SGI_SN0_XXL
                                                   >> 274 #       bool "IP27 XXL"
                                                   >> 275 #       depends on SGI_IP27
                                                   >> 276 #         This options adds support for userspace processes upto 16TB size.
                                                   >> 277 #         Normally the limit is just .5TB.
                                                   >> 278 
                                                   >> 279 config SGI_SN0_N_MODE
                                                   >> 280         bool "IP27 N-Mode"
                                                   >> 281         depends on SGI_IP27
                                                   >> 282         help
                                                   >> 283           The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
                                                   >> 284           configured in either N-Modes which allows for more nodes or M-Mode
                                                   >> 285           which allows for more memory.  Your system is most probably
                                                   >> 286           running in M-Mode, so you should say N here.
                                                   >> 287 
                                                   >> 288 config DISCONTIGMEM
                                                   >> 289         bool "Discontiguous Memory Support"
                                                   >> 290         depends on SGI_IP27
                                                   >> 291         help
                                                   >> 292           Say Y to upport efficient handling of discontiguous physical memory,
                                                   >> 293           for architectures which are either NUMA (Non-Uniform Memory Access)
                                                   >> 294           or have huge holes in the physical address space for other reasons.
                                                   >> 295           See <file:Documentation/vm/numa> for more.
                                                   >> 296 
                                                   >> 297 config NUMA
                                                   >> 298         bool "NUMA Support"
                                                   >> 299         depends on SGI_IP27
                                                   >> 300         help
                                                   >> 301           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
                                                   >> 302           Access).  This option is for configuring high-end multiprocessor
                                                   >> 303           server machines.  If in doubt, say N.
135                                                   304 
136 config DMA_COHERENT                            !! 305 config MAPPED_KERNEL
                                                   >> 306         bool "Mapped kernel support"
                                                   >> 307         depends on SGI_IP27
                                                   >> 308         help
                                                   >> 309           Change the way a Linux kernel is loaded unto memory on a MIPS64
                                                   >> 310           machine.  This is required in order to support text replication and
                                                   >> 311           NUMA.  If you need to undersatand it, read the source code.
                                                   >> 312 
                                                   >> 313 config REPLICATE_KTEXT
                                                   >> 314         bool "Kernel text replication support"
                                                   >> 315         depends on SGI_IP27
                                                   >> 316         help
                                                   >> 317           Say Y here to enable replicating the kernel text across multiple
                                                   >> 318           nodes in a NUMA cluster.  This trades memory for speed.
                                                   >> 319 
                                                   >> 320 config REPLICATE_EXHANDLERS
                                                   >> 321         bool "Exception handler replication support"
                                                   >> 322         depends on SGI_IP27
                                                   >> 323         help
                                                   >> 324           Say Y here to enable replicating the kernel exception handlers
                                                   >> 325           across multiple nodes in a NUMA cluster. This trades memory for
                                                   >> 326           speed.
                                                   >> 327 
                                                   >> 328 config SGI_IP32
                                                   >> 329         bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
                                                   >> 330         depends on EXPERIMENTAL
                                                   >> 331         help
                                                   >> 332           If you want this kernel to run on SGI O2 workstation, say Y here.
                                                   >> 333 
                                                   >> 334 config SOC_AU1X00
                                                   >> 335         depends on MIPS32
                                                   >> 336         bool "Support for AMD/Alchemy Au1X00 SOCs"
                                                   >> 337 
                                                   >> 338 choice
                                                   >> 339         prompt "Au1X00 SOC Type"
                                                   >> 340         depends on SOC_AU1X00
                                                   >> 341         help
                                                   >> 342            Say Y here to enable support for one of three AMD/Alchemy
                                                   >> 343            SOCs. For additional documentation see www.amd.com.
                                                   >> 344 
                                                   >> 345 config SOC_AU1000
                                                   >> 346         bool "SOC_AU1000"
                                                   >> 347 config SOC_AU1100
                                                   >> 348         bool "SOC_AU1100"
                                                   >> 349 config SOC_AU1500
                                                   >> 350         bool "SOC_AU1500"
                                                   >> 351 
                                                   >> 352 endchoice
                                                   >> 353 
                                                   >> 354 choice  
                                                   >> 355         prompt "AMD/Alchemy Pb1x and Db1x board support"
                                                   >> 356         depends on SOC_AU1X00
                                                   >> 357         help
                                                   >> 358           These are evaluation boards built by AMD/Alchemy to
                                                   >> 359           showcase their Au1X00 Internet Edge Processors. The SOC design
                                                   >> 360           is based on the MIPS32 architecture running at 266/400/500MHz 
                                                   >> 361           with many integrated peripherals. Further information can be 
                                                   >> 362           found at their website, <http://www.amd.com/>. Say Y here if you 
                                                   >> 363           wish to build a kernel for this platform.
                                                   >> 364 
                                                   >> 365 config MIPS_PB1000
                                                   >> 366         bool "PB1000 board"
                                                   >> 367         depends on SOC_AU1000
                                                   >> 368 
                                                   >> 369 config MIPS_PB1100
                                                   >> 370         bool "PB1100 board"
                                                   >> 371         depends on SOC_AU1100
                                                   >> 372 
                                                   >> 373 config MIPS_PB1500
                                                   >> 374         bool "PB1500 board"
                                                   >> 375         depends on SOC_AU1500
                                                   >> 376 
                                                   >> 377 config MIPS_DB1000
                                                   >> 378         bool "DB1000 board"
                                                   >> 379         depends on SOC_AU1000
                                                   >> 380 
                                                   >> 381 config MIPS_DB1100
                                                   >> 382         bool "DB1100 board"
                                                   >> 383         depends on SOC_AU1100
                                                   >> 384 
                                                   >> 385 config MIPS_DB1500
                                                   >> 386         bool "DB1500 board"
                                                   >> 387         depends on SOC_AU1500
                                                   >> 388 
                                                   >> 389 endchoice
                                                   >> 390 
                                                   >> 391 config SIBYTE_SB1xxx_SOC
                                                   >> 392         bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
                                                   >> 393         depends on EXPERIMENTAL
                                                   >> 394 
                                                   >> 395 choice
                                                   >> 396         prompt "BCM1xxx SOC Type"
                                                   >> 397         depends on SIBYTE_SB1xxx_SOC
                                                   >> 398         default SIBYTE_SB1250
                                                   >> 399 
                                                   >> 400 config SIBYTE_SB1250
                                                   >> 401         bool "BCM1250"
                                                   >> 402 
                                                   >> 403 endchoice
                                                   >> 404 
                                                   >> 405 config SIMULATION
                                                   >> 406         bool "Running under simulation"
                                                   >> 407         depends on SIBYTE_SB1xxx_SOC
                                                   >> 408 
                                                   >> 409 config SIBYTE_CFE
                                                   >> 410         bool "Booting from CFE"
                                                   >> 411         depends on SIBYTE_SB1xxx_SOC
                                                   >> 412 
                                                   >> 413 config SIBYTE_CFE_CONSOLE
                                                   >> 414         bool "Use firmware console"
                                                   >> 415         depends on SIBYTE_CFE
                                                   >> 416 
                                                   >> 417 config SIBYTE_STANDALONE
137         bool                                      418         bool
                                                   >> 419         depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
                                                   >> 420         default y
138                                                   421 
139 config DMA_NONCOHERENT                         !! 422 config SIBYTE_STANDALONE_RAM_SIZE
140         def_bool !NO_DMA && !DMA_COHERENT      !! 423         int "Memory size (in megabytes)"
141         select ARCH_HAS_DMA_PREP_COHERENT      !! 424         depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
142         select ARCH_HAS_SYNC_DMA_FOR_DEVICE    !! 425         default "32"
143         select DMA_DIRECT_REMAP                !! 426 
                                                   >> 427 config SIBYTE_BUS_WATCHER
                                                   >> 428         bool "Support for Bus Watcher statistics"
                                                   >> 429         depends on SIBYTE_SB1xxx_SOC
                                                   >> 430 
                                                   >> 431 config SIBYTE_SB1250_PROF
                                                   >> 432         bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
                                                   >> 433         depends on SIBYTE_SB1xxx_SOC
                                                   >> 434 
                                                   >> 435 config SIBYTE_TBPROF
                                                   >> 436         bool "Support for ZBbus profiling"
                                                   >> 437         depends on SIBYTE_SB1xxx_SOC
                                                   >> 438 
                                                   >> 439 config SIBYTE_SWARM
                                                   >> 440         bool "Support for SWARM board"
                                                   >> 441         depends on SIBYTE_SB1250
                                                   >> 442 
                                                   >> 443 config SIBYTE_BOARD
                                                   >> 444         bool
                                                   >> 445         depends on SIBYTE_SWARM
                                                   >> 446         default y
144                                                   447 
145 config PGTABLE_LEVELS                          !! 448 config SNI_RM200_PCI
146         default 3 if X2TLB                     !! 449         bool "Support for SNI RM200 PCI"
147         default 2                              !! 450         help
                                                   >> 451           The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
                                                   >> 452           Nixdorf Informationssysteme (SNI), parent company of Pyramid
                                                   >> 453           Technology and now in turn merged with Fujitsu.  Say Y here to
                                                   >> 454           support this machine type.
                                                   >> 455 
                                                   >> 456 config TANBAC_TB0226
                                                   >> 457         bool "Support for TANBAC TB0226 (Mbase)"
                                                   >> 458         help
                                                   >> 459           The TANBAC TB0226 (Mbase) is a MIPS-based platform manufactured by TANBAC.
                                                   >> 460           Please refer to <http://www.tanbac.co.jp/> about Mbase.
                                                   >> 461 
                                                   >> 462 config TANBAC_TB0229
                                                   >> 463         bool "Support for TANBAC TB0229 (VR4131DIMM)"
                                                   >> 464         help
                                                   >> 465           The TANBAC TB0229 (VR4131DIMM) is a MIPS-based platform manufactured by TANBAC.
                                                   >> 466           Please refer to <http://www.tanbac.co.jp/> about VR4131DIMM.
148                                                   467 
149 menu "System type"                             !! 468 config TOSHIBA_JMR3927
                                                   >> 469         bool "Support for Toshiba JMR-TX3927 board"
                                                   >> 470         depends on MIPS32
                                                   >> 471 
                                                   >> 472 config TOSHIBA_RBTX4927
                                                   >> 473         bool "Support for Toshiba TBTX49[23]7 board"
                                                   >> 474         depends on MIPS32
                                                   >> 475 
                                                   >> 476 config VICTOR_MPC30X
                                                   >> 477         bool "Support for Victor MP-C303/304"
                                                   >> 478 
                                                   >> 479 config ZAO_CAPCELLA
                                                   >> 480         bool "Support for ZAO Networks Capcella"
                                                   >> 481 
                                                   >> 482 config RWSEM_GENERIC_SPINLOCK
                                                   >> 483         bool
                                                   >> 484         default y
                                                   >> 485 
                                                   >> 486 config RWSEM_XCHGADD_ALGORITHM
                                                   >> 487         bool
150                                                   488 
151 #                                                 489 #
152 # Processor families                           !! 490 # Select some configuration options automatically based on user selections.
153 #                                                 491 #
154 config CPU_SH2                                 !! 492 config ARC
                                                   >> 493         bool
                                                   >> 494         depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
                                                   >> 495         default y
                                                   >> 496 
                                                   >> 497 config GENERIC_ISA_DMA
155         bool                                      498         bool
156         select SH_INTC                         !! 499         depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
                                                   >> 500         default y
157                                                   501 
158 config CPU_SH2A                                !! 502 config CONFIG_GT64120
159         bool                                      503         bool
160         select CPU_SH2                         !! 504         depends on MIPS_EV64120 || MOMENCO_OCELOT
161         select UNCACHED_MAPPING                !! 505         default y
162                                                   506 
163 config CPU_J2                                  !! 507 config I8259
164         bool                                      508         bool
165         select CPU_SH2                         !! 509         depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MIPS_MALTA || MIPS_MAGNUM_4000 || OLIVETTI_M700 || MIPS_COBALT || ACER_PICA_61
166         select OF                              !! 510         default y
167         select OF_EARLY_FLATTREE               << 
168                                                   511 
169 config CPU_SH3                                 !! 512 config MIPS_JAZZ
170         bool                                      513         bool
171         select CPU_HAS_INTEVT                  !! 514         depends on MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
172         select CPU_HAS_SR_RB                   !! 515         default y
173         select SH_INTC                         << 
174         select SYS_SUPPORTS_SH_TMU             << 
175                                                   516 
176 config CPU_SH4                                 !! 517 config NONCOHERENT_IO
177         bool                                      518         bool
178         select ARCH_SUPPORTS_HUGETLBFS if MMU  !! 519         depends on ZAO_CAPCELLA || VICTOR_MPC30X || TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 || SNI_RM200_PCI || SGI_IP32 || SGI_IP22 || NEC_EAGLE || NEC_OSPREY || DDB5477 || DDB5476 || DDB5074 || MOMENCO_OCELOT || MOMENCO_OCELOT_C || MOMENCO_OCELOT_G || MIPS_SEAD || MIPS_MALTA || MIPS_MAGNUM_4000 || OLIVETTI_M700 || MIPS_ATLAS || LASAT || MIPS_ITE8172 || IBM_WORKPAD || HP_LASERJET || MIPS_IVR || MIPS_EV96100 || MIPS_EV64120 || DECSTATION || MIPS_COBALT || MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000 || CASIO_E55 || ACER_PICA_61 || TANBAC_TB0226 || TANBAC_TB0229
179         select CPU_HAS_INTEVT                  !! 520         default y if ZAO_CAPCELLA || VICTOR_MPC30X || TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 || SNI_RM200_PCI || SGI_IP32 || SGI_IP22 || NEC_EAGLE || NEC_OSPREY || DDB5477 || DDB5476 || DDB5074 || MOMENCO_OCELOT_G || MOMENCO_OCELOT || MIPS_SEAD || MIPS_MALTA || MIPS_MAGNUM_4000 || OLIVETTI_M700 || MIPS_ATLAS || LASAT || MIPS_ITE8172 || IBM_WORKPAD || HP_LASERJET || MIPS_IVR || MIPS_EV96100 || MIPS_EV64120 || DECSTATION || MIPS_COBALT || MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000 || CASIO_E55 || ACER_PICA_61 || TANBAC_TB0226 || TANBAC_TB0229
180         select CPU_HAS_SR_RB                   !! 521         default n if (SIBYTE_SB1250 || SGI_IP27)
181         select CPU_HAS_FPU if !CPU_SH4AL_DSP   !! 522 
182         select SH_INTC                         !! 523 config CPU_LITTLE_ENDIAN
183         select SYS_SUPPORTS_SH_TMU             !! 524         bool "Generate little endian code"
                                                   >> 525         default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || DECSTATION || HP_LASERJET || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || MIPS_PB1000 || MIPS_PB1100 || MIPS_PB1500 || NEC_OSPREY || NEC_EAGLE || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA
                                                   >> 526         default n if BAGET_MIPS || MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
                                                   >> 527         help
                                                   >> 528           Some MIPS machines can be configured for either little or big endian
                                                   >> 529           byte order. These modes require different kernels. Say Y if your
                                                   >> 530           machine is little endian, N if it's a big endian machine.
184                                                   531 
185 config CPU_SH4A                                !! 532 config IRQ_CPU
186         bool                                      533         bool
187         select CPU_SH4                         !! 534         depends on ZAO_CAPCELLA || VICTOR_MPC30X || SGI_IP22 || NEC_EAGLE || NEC_OSPREY || DDB5477 || DDB5476 || DDB5074 || IBM_WORKPAD || HP_LASERJET || DECSTATION || CASIO_E55 || TANBAC_TB0226 || TANBAC_TB0229
                                                   >> 535         default y
188                                                   536 
189 config CPU_SH4AL_DSP                           !! 537 config VR41XX_TIME_C
190         bool                                      538         bool
191         select CPU_SH4A                        !! 539         depends on ZAO_CAPCELLA || VICTOR_MPC30X || NEC_EAGLE || IBM_WORKPAD || CASIO_E55 || TANBAC_TB0226 || TANBAC_TB0229
192         select CPU_HAS_DSP                     !! 540         default y
193                                                   541 
194 config CPU_SHX2                                !! 542 config DUMMY_KEYB
195         bool                                      543         bool
                                                   >> 544         depends on ZAO_CAPCELLA || VICTOR_MPC30X || SIBYTE_SB1250 || NEC_EAGLE || NEC_OSPREY || DDB5477 || IBM_WORKPAD || CASIO_E55 || TANBAC_TB0226 || TANBAC_TB0229
                                                   >> 545         default y
196                                                   546 
197 config CPU_SHX3                                !! 547 config VR41XX_COMMON
198         bool                                      548         bool
199         select DMA_COHERENT                    !! 549         depends on NEC_EAGLE || ZAO_CAPCELLA || VICTOR_MPC30X || IBM_WORKPAD || CASIO_E55 || TANBAC_TB0226 || TANBAC_TB0229
200         select SYS_SUPPORTS_SMP                !! 550         default y
201         select SYS_SUPPORTS_NUMA               << 
202                                                   551 
203 config ARCH_SHMOBILE                           !! 552 config VRC4173
                                                   >> 553         tristate "NEC VRC4173 Support"
                                                   >> 554         depends on NEC_EAGLE || VICTOR_MPC30X
                                                   >> 555 
                                                   >> 556 config DDB5XXX_COMMON
204         bool                                      557         bool
205         select ARCH_SUSPEND_POSSIBLE           !! 558         depends on DDB5074 || DDB5476 || DDB5477
206         select PM                              !! 559         default y
207                                                   560 
208 config CPU_HAS_PMU                             !! 561 config MIPS_BOARDS_GEN
209        depends on CPU_SH4 || CPU_SH4A          !! 562         bool
210        default y                               !! 563         depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
211        bool                                    !! 564         default y
212                                                   565 
213 choice                                         !! 566 config ITE_BOARD_GEN
214         prompt "Processor sub-type selection"  !! 567         bool
                                                   >> 568         depends on MIPS_IVR || MIPS_ITE8172
                                                   >> 569         default y
215                                                   570 
216 #                                              !! 571 config NEW_PCI
217 # Processor subtypes                           !! 572         bool
218 #                                              !! 573         depends on ZAO_CAPCELLA || VICTOR_MPC30X || TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 || NEC_EAGLE || DDB5477 || DDB5476 || DDB5074 || MIPS_ITE8172 || HP_LASERJET || MIPS_IVR || MIPS_EV96100 || MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000 || TANBAC_TB0226 || TANBAC_TB0229
                                                   >> 574         default y
                                                   >> 575 
                                                   >> 576 config SWAP_IO_SPACE
                                                   >> 577         bool "Support for paging of anonymous memory"
                                                   >> 578         depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 || SIBYTE_SB1250 || SGI_IP22 || MOMENCO_OCELOT_C || MOMENCO_OCELOT_G || MOMENCO_OCELOT || MIPS_MALTA || MIPS_ATLAS || MIPS_EV96100 || MIPS_PB1100 || MIPS_PB1000
                                                   >> 579         default y
                                                   >> 580         help
                                                   >> 581           This option allows you to choose whether you want to have support
                                                   >> 582           for socalled swap devices or swap files in your kernel that are
                                                   >> 583           used to provide more virtual memory than the actual RAM present
                                                   >> 584           in your computer.  If unusre say Y.
219                                                   585 
220 # SH-2 Processor Support                       !! 586 config SIBYTE_HAS_LDT
                                                   >> 587         bool
                                                   >> 588         depends on SIBYTE_SB1xxx_SOC && PCI
                                                   >> 589         default y
221                                                   590 
222 config CPU_SUBTYPE_SH7619                      !! 591 config AU1000_USB_DEVICE
223         bool "Support SH7619 processor"        !! 592         bool
224         select CPU_SH2                         !! 593         depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
225         select SYS_SUPPORTS_SH_CMT             !! 594         default n
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                                                   595 
495 endchoice                                      !! 596 config COBALT_LCD
                                                   >> 597         bool
                                                   >> 598         depends on MIPS_COBALT
                                                   >> 599         default y
496                                                   600 
497 source "arch/sh/mm/Kconfig"                    !! 601 config MIPS_GT64120
498                                                !! 602         bool
499 source "arch/sh/Kconfig.cpu"                   !! 603         depends on MIPS_EV64120
500                                                !! 604         default y
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                                                << 
523 config SH_CLK_CPG                              << 
524         def_bool y                             << 
525                                                << 
526 config SH_CLK_CPG_LEGACY                       << 
527         depends on SH_CLK_CPG                  << 
528         def_bool y if !CPU_SUBTYPE_SH7785 && ! << 
529                       !CPU_SHX3 && !CPU_SUBTYP << 
530                       !CPU_SUBTYPE_SH7734 && ! << 
531                       !CPU_SUBTYPE_SH7269      << 
532                                                   605 
533 endmenu                                        !! 606 config MIPS_GT96100
                                                   >> 607         bool
                                                   >> 608         depends on MIPS_EV96100
                                                   >> 609         default y
                                                   >> 610         help
                                                   >> 611           Say Y here to support the Galileo Technology GT96100 communications
                                                   >> 612           controller card.  There is a web page at <http://www.galileot.com/>.
534                                                   613 
535 menu "CPU Frequency scaling"                   !! 614 config IT8172_CIR
536 source "drivers/cpufreq/Kconfig"               !! 615         bool
537 endmenu                                        !! 616         depends on MIPS_ITE8172 || MIPS_IVR
                                                   >> 617         default y
                                                   >> 618 
                                                   >> 619 config IT8712
                                                   >> 620         bool
                                                   >> 621         depends on MIPS_ITE8172
                                                   >> 622         default y
                                                   >> 623 
                                                   >> 624 config BOOT_ELF32
                                                   >> 625         bool
                                                   >> 626         depends on DECSTATION || MIPS_ATLAS || MIPS_MALTA || SIBYTE_SB1250 || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
                                                   >> 627         default y
                                                   >> 628 
                                                   >> 629 config L1_CACHE_SHIFT
                                                   >> 630         int
                                                   >> 631         default "4" if DECSTATION
                                                   >> 632         default "5" if SGI_IP32 || SGI_IP22 || MIPS_SEAD || MIPS_MALTA || MIPS_ATLAS
                                                   >> 633         default "7" if SGI_IP27
                                                   >> 634 
                                                   >> 635 config ARC32
                                                   >> 636         bool
                                                   >> 637         depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700
                                                   >> 638         default y
                                                   >> 639 
                                                   >> 640 config FB
                                                   >> 641         bool
                                                   >> 642         depends on MIPS_MAGNUM_4000 || OLIVETTI_M700
                                                   >> 643         default y
                                                   >> 644         ---help---
                                                   >> 645           The frame buffer device provides an abstraction for the graphics
                                                   >> 646           hardware. It represents the frame buffer of some video hardware and
                                                   >> 647           allows application software to access the graphics hardware through
                                                   >> 648           a well-defined interface, so the software doesn't need to know
                                                   >> 649           anything about the low-level (hardware register) stuff.
                                                   >> 650 
                                                   >> 651           Frame buffer devices work identically across the different
                                                   >> 652           architectures supported by Linux and make the implementation of
                                                   >> 653           application programs easier and more portable; at this point, an X
                                                   >> 654           server exists which uses the frame buffer device exclusively.
                                                   >> 655           On several non-X86 architectures, the frame buffer device is the
                                                   >> 656           only way to use the graphics hardware.
                                                   >> 657 
                                                   >> 658           The device is accessed through special device nodes, usually located
                                                   >> 659           in the /dev directory, i.e. /dev/fb*.
                                                   >> 660 
                                                   >> 661           You need an utility program called fbset to make full use of frame
                                                   >> 662           buffer devices. Please read <file:Documentation/fb/framebuffer.txt>
                                                   >> 663           and the Framebuffer-HOWTO at
                                                   >> 664           <http://www.tahallah.demon.co.uk/programming/prog.html> for more
                                                   >> 665           information.
                                                   >> 666 
                                                   >> 667           Say Y here and to the driver for your graphics board below if you
                                                   >> 668           are compiling a kernel for a non-x86 architecture.
                                                   >> 669 
                                                   >> 670           If you are compiling for the x86 architecture, you can say Y if you
                                                   >> 671           want to play with it, but it is not essential. Please note that
                                                   >> 672           running graphical applications that directly touch the hardware
                                                   >> 673           (e.g. an accelerated X server) and that are not frame buffer
                                                   >> 674           device-aware may cause unexpected results. If unsure, say N.
                                                   >> 675 
                                                   >> 676 config FB_G364
                                                   >> 677         bool
                                                   >> 678         depends on MIPS_MAGNUM_4000 || OLIVETTI_M700
                                                   >> 679         default y
                                                   >> 680 
                                                   >> 681 config HAVE_STD_PC_SERIAL_PORT
                                                   >> 682         bool
                                                   >> 683         depends on DDB5476 || DDB5074 || MIPS_MALTA
                                                   >> 684         default y
                                                   >> 685 
                                                   >> 686 config VR4181
                                                   >> 687         bool
                                                   >> 688         depends on NEC_OSPREY
                                                   >> 689         default y
                                                   >> 690 
                                                   >> 691 config ARC_CONSOLE
                                                   >> 692         bool "ARC console support"
                                                   >> 693         depends on SGI_IP22 || SNI_RM200_PCI
                                                   >> 694 
                                                   >> 695 config ARC_MEMORY
                                                   >> 696         bool
                                                   >> 697         depends on SNI_RM200_PCI || SGI_IP32
                                                   >> 698         default y
                                                   >> 699 
                                                   >> 700 config ARC_PROMLIB
                                                   >> 701         bool
                                                   >> 702         depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP22
                                                   >> 703         default y
                                                   >> 704 
                                                   >> 705 config BOARD_SCACHE
                                                   >> 706         bool
                                                   >> 707         depends on MIPS_EV96100 || MOMENCO_OCELOT || SGI_IP22
                                                   >> 708         default y
                                                   >> 709 
                                                   >> 710 config ARC64
                                                   >> 711         bool
                                                   >> 712         depends on SGI_IP27
                                                   >> 713         default y
                                                   >> 714 
                                                   >> 715 config BOOT_ELF64
                                                   >> 716         bool
                                                   >> 717         depends on SGI_IP27
                                                   >> 718         default y
                                                   >> 719 
                                                   >> 720 #config MAPPED_PCI_IO y
                                                   >> 721 #       bool
                                                   >> 722 #       depends on SGI_IP27
                                                   >> 723 #       default y
                                                   >> 724 
                                                   >> 725 config QL_ISP_A64
                                                   >> 726         bool
                                                   >> 727         depends on SGI_IP27
                                                   >> 728         default y
                                                   >> 729 
                                                   >> 730 config TOSHIBA_BOARDS
                                                   >> 731         bool
                                                   >> 732         depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
                                                   >> 733         default y
538                                                   734 
539 source "arch/sh/drivers/Kconfig"               !! 735 config TANBAC_TB0219
                                                   >> 736         bool "Added TANBAC TB0219 Base board support"
                                                   >> 737         depends on TANBAC_TB0229
540                                                   738 
541 endmenu                                           739 endmenu
542                                                   740 
543 menu "Kernel features"                         << 
544                                                   741 
545 source "kernel/Kconfig.hz"                     !! 742 menu "CPU selection"
546                                                   743 
547 config ARCH_SUPPORTS_KEXEC                     !! 744 choice
548         def_bool MMU                           !! 745         prompt "CPU type"
                                                   >> 746         default CPU_R4X00
549                                                   747 
550 config ARCH_SUPPORTS_CRASH_DUMP                !! 748 config CPU_MIPS32
551         def_bool BROKEN_ON_SMP                 !! 749         bool "MIPS32"
552                                                   750 
553 config ARCH_SUPPORTS_KEXEC_JUMP                !! 751 config CPU_MIPS64
554         def_bool y                             !! 752         bool "MIPS64"
555                                                   753 
556 config PHYSICAL_START                          !! 754 config CPU_R3000
557         hex "Physical address where the kernel !! 755         bool "R3000"
558         default MEMORY_START                   !! 756         depends on MIPS32
559         help                                      757         help
560           This gives the physical address wher !! 758           Please make sure to pick the right CPU type. Linux/MIPS is not
561           and is ordinarily the same as MEMORY !! 759           designed to be generic, i.e. Kernels compiled for R3000 CPUs will
                                                   >> 760           *not* work on R4000 machines and vice versa.  However, since most
                                                   >> 761           of the supported machines have an R4000 (or similar) CPU, R4x00
                                                   >> 762           might be a safe bet.  If the resulting kernel does not work,
                                                   >> 763           try to recompile with R3000.
562                                                   764 
563           Different values are primarily used  !! 765 config CPU_TX39XX
564           where the fail safe kernel needs to  !! 766         bool "R39XX"
565           than the panic-ed kernel.            !! 767         depends on MIPS32
566                                                   768 
567 config SMP                                     !! 769 config CPU_VR41XX
568         bool "Symmetric multi-processing suppo !! 770         bool "R41xx"
569         depends on SYS_SUPPORTS_SMP            !! 771         help
                                                   >> 772           The options selects support for the NEC VR41xx series of processors.
                                                   >> 773           Only choose this option if you have one of these processors as a
                                                   >> 774           kernel built with this option will not run on any other type of
                                                   >> 775           processor or vice versa.
                                                   >> 776 
                                                   >> 777 config CPU_R4300
                                                   >> 778         bool "R4300"
                                                   >> 779         help
                                                   >> 780           MIPS Technologies R4300-series processors.
                                                   >> 781 
                                                   >> 782 config CPU_R4X00
                                                   >> 783         bool "R4x00"
570         help                                      784         help
                                                   >> 785           MIPS Technologies R4000-series processors other than 4300, including
                                                   >> 786           the R4000, R4400, R4600, and 4700.
                                                   >> 787 
                                                   >> 788 config CPU_TX49XX
                                                   >> 789         bool "R49XX"
                                                   >> 790 
                                                   >> 791 config CPU_R5000
                                                   >> 792         bool "R5000"
                                                   >> 793         help
                                                   >> 794           MIPS Technologies R5000-series processors other than the Nevada.
                                                   >> 795 
                                                   >> 796 config CPU_R5432
                                                   >> 797         bool "R5432"
                                                   >> 798 
                                                   >> 799 config CPU_R6000
                                                   >> 800         bool "R6000"
                                                   >> 801         depends on MIPS32 && EXPERIMENTAL
                                                   >> 802         help
                                                   >> 803           MIPS Technologies R6000 and R6000A series processors.  Note these
                                                   >> 804           processors are extremly rare and the support for them is incomplete.
                                                   >> 805 
                                                   >> 806 config CPU_NEVADA
                                                   >> 807         bool "R52xx"
                                                   >> 808         help
                                                   >> 809           MIPS Technologies R52x0-series ("Nevada") processors.
                                                   >> 810 
                                                   >> 811 config CPU_R8000
                                                   >> 812         bool "R8000"
                                                   >> 813         depends on MIPS64 && EXPERIMENTAL
                                                   >> 814         help
                                                   >> 815           MIPS Technologies R8000 processors.  Note these processors are
                                                   >> 816           uncommon and the support for them is incomplete.
                                                   >> 817 
                                                   >> 818 config CPU_R10000
                                                   >> 819         bool "R10000"
                                                   >> 820         help
                                                   >> 821           MIPS Technologies R10000-series processors.
                                                   >> 822 
                                                   >> 823 config CPU_RM7000
                                                   >> 824         bool "RM7000"
                                                   >> 825 
                                                   >> 826 config CPU_SB1
                                                   >> 827         bool "SB1"
                                                   >> 828 
                                                   >> 829 endchoice
                                                   >> 830 
                                                   >> 831 config R5000_CPU_SCACHE
                                                   >> 832         bool
                                                   >> 833         depends on CPU_NEVADA || CPU_R5000
                                                   >> 834         default y if SGI_IP22 || SGI_IP32 || LASAT
                                                   >> 835 
                                                   >> 836 config BOARD_SCACHE
                                                   >> 837         bool
                                                   >> 838         depends on CPU_NEVADA || CPU_R4X00 || CPU_R5000
                                                   >> 839         default y if SGI_IP22 || (SGI_IP32 && CPU_R5000) || R5000_CPU_SCACHE
                                                   >> 840 
                                                   >> 841 config SIBYTE_DMA_PAGEOPS
                                                   >> 842         bool "Use DMA to clear/copy pages"
                                                   >> 843         depends on CPU_SB1
                                                   >> 844         help
                                                   >> 845           Instead of using the CPU to zero and copy pages, use a Data Mover
                                                   >> 846           channel.  These DMA channels are otherwise unused by the standard
                                                   >> 847           SiByte Linux port.  Seems to give a small performance benefit.
                                                   >> 848 
                                                   >> 849 config CPU_HAS_PREFETCH
                                                   >> 850         bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
                                                   >> 851         default y if CPU_RM7000 || CPU_MIPS64 || CPU_MIPS32
                                                   >> 852 
                                                   >> 853 config VTAG_ICACHE
                                                   >> 854         bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
                                                   >> 855         default y if CPU_SB1
                                                   >> 856 
                                                   >> 857 choice
                                                   >> 858         prompt "SB1 Pass"
                                                   >> 859         depends on CPU_SB1
                                                   >> 860         default CPU_SB1_PASS_1
                                                   >> 861 
                                                   >> 862 config CPU_SB1_PASS_1
                                                   >> 863         bool "Pass1"
                                                   >> 864 
                                                   >> 865 config CPU_SB1_PASS_2
                                                   >> 866         bool "Pass2"
                                                   >> 867 
                                                   >> 868 config CPU_SB1_PASS_2_2
                                                   >> 869         bool "Pass2.2"
                                                   >> 870 
                                                   >> 871 endchoice
                                                   >> 872 
                                                   >> 873 config SB1_PASS_1_WORKAROUNDS
                                                   >> 874         bool
                                                   >> 875         depends on CPU_SB1_PASS_1
                                                   >> 876         default y
                                                   >> 877 
                                                   >> 878 config SB1_PASS_2_WORKAROUNDS
                                                   >> 879         bool
                                                   >> 880         depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
                                                   >> 881         default y
                                                   >> 882 
                                                   >> 883 # Avoid prefetches on Pass 2 (before 2.2)
                                                   >> 884 # XXXKW for now, let 2.2 use same WORKAROUNDS flag as pre-2.2
                                                   >> 885 config SB1_CACHE_ERROR
                                                   >> 886         bool "Support for SB1 Cache Error handler"
                                                   >> 887         depends on CPU_SB1
                                                   >> 888 
                                                   >> 889 config SB1_CERR_IGNORE_RECOVERABLE
                                                   >> 890         bool "Ignore recoverable cache errors"
                                                   >> 891         depends on SB1_CACHE_ERROR
                                                   >> 892 
                                                   >> 893 config SB1_CERR_SPIN
                                                   >> 894         bool "Spin instead of running handler"
                                                   >> 895         depends on SB1_CACHE_ERROR
                                                   >> 896 
                                                   >> 897 config 64BIT_PHYS_ADDR
                                                   >> 898         bool "Support for 64-bit physical address space"
                                                   >> 899         depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && MIPS32
                                                   >> 900 
                                                   >> 901 config CPU_ADVANCED
                                                   >> 902         bool "Override CPU Options"
                                                   >> 903         depends on MIPS32
                                                   >> 904         help
                                                   >> 905           Saying yes here allows you to select support for various features
                                                   >> 906           your CPU may or may not have.  Most people should say N here.
                                                   >> 907 
                                                   >> 908 config CPU_HAS_LLSC
                                                   >> 909         bool "ll/sc Instructions available" if CPU_ADVANCED
                                                   >> 910         default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
                                                   >> 911         help
                                                   >> 912           MIPS R4000 series and later provide the Load Linked (ll)
                                                   >> 913           and Store Conditional (sc) instructions. More information is
                                                   >> 914           available at <http://www.go-ecs.com/mips/miptek1.htm>.
                                                   >> 915 
                                                   >> 916           Say Y here if your CPU has the ll and sc instructions.  Say Y here
                                                   >> 917           for better performance, N if you don't know.  You must say Y here
                                                   >> 918           for multiprocessor machines.
                                                   >> 919 
                                                   >> 920 config CPU_HAS_LLDSCD
                                                   >> 921         bool "lld/scd Instructions available" if CPU_ADVANCED
                                                   >> 922         default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
                                                   >> 923         help
                                                   >> 924           Say Y here if your CPU has the lld and scd instructions, the 64-bit
                                                   >> 925           equivalents of ll and sc.  Say Y here for better performance, N if
                                                   >> 926           you don't know.  You must say Y here for multiprocessor machines.
                                                   >> 927 
                                                   >> 928 config CPU_HAS_WB
                                                   >> 929         bool "Writeback Buffer available" if CPU_ADVANCED
                                                   >> 930         default y if !CPU_ADVANCED && (CPU_R3000 || CPU_VR41XX || CPU_TX39XX) && DECSTATION
                                                   >> 931         help
                                                   >> 932           Say N here for slightly better performance.  You must say Y here for
                                                   >> 933           machines which require flushing of write buffers in software.  Saying
                                                   >> 934           Y is the safe option; N may result in kernel malfunction and crashes.
                                                   >> 935 
                                                   >> 936 config CPU_HAS_SYNC
                                                   >> 937         bool
                                                   >> 938         depends on !CPU_R3000
                                                   >> 939         default y
                                                   >> 940 
                                                   >> 941 #
                                                   >> 942 # - Highmem only makes sense for the 32-bit kernel.
                                                   >> 943 # - The current highmem code will only work properly on physically indexed
                                                   >> 944 #   caches such as R3000, SB1, R7000 or those that look like they're virtually
                                                   >> 945 #   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
                                                   >> 946 #   moment we protect the user and offer the highmem option only on machines
                                                   >> 947 #   where it's known to be safe.  This will not offer highmem on a few systems
                                                   >> 948 #   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
                                                   >> 949 #   indexed CPUs but we're playing safe.
                                                   >> 950 # - We should not offer highmem for system of which we already know that they
                                                   >> 951 #   don't have memory configurations that could gain from highmem support in
                                                   >> 952 #   the kernel because they don't support configurations with RAM at physical
                                                   >> 953 #   addresses > 0x20000000.
                                                   >> 954 #
                                                   >> 955 config HIGHMEM
                                                   >> 956         bool "High Memory Support"
                                                   >> 957         depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_R10000) && !(BAGET_MIPS || DECSTATION)
                                                   >> 958 
                                                   >> 959 config SMP
                                                   >> 960         bool "Multi-Processing support"
                                                   >> 961         depends on SIBYTE_SB1xxx_SOC && SIBYTE_SB1250 && !SIBYTE_STANDALONE || SGI_IP27
                                                   >> 962         ---help---
571           This enables support for systems wit    963           This enables support for systems with more than one CPU. If you have
572           a system with only one CPU, say N. I !! 964           a system with only one CPU, like most personal computers, say N. If
573           than one CPU, say Y.                 !! 965           you have a system with more than one CPU, say Y.
574                                                   966 
575           If you say N here, the kernel will r !! 967           If you say N here, the kernel will run on single and multiprocessor
576           machines, but will use only one CPU     968           machines, but will use only one CPU of a multiprocessor machine. If
577           you say Y here, the kernel will run     969           you say Y here, the kernel will run on many, but not all,
578           uniprocessor machines. On a uniproce !! 970           singleprocessor machines. On a singleprocessor machine, the kernel
579           will run faster if you say N here.      971           will run faster if you say N here.
580                                                   972 
581           People using multiprocessor machines    973           People using multiprocessor machines who say Y here should also say
582           Y to "Enhanced Real Time Clock Suppo    974           Y to "Enhanced Real Time Clock Support", below.
583                                                   975 
584           See also <file:Documentation/admin-g !! 976           See also the <file:Documentation/smp.tex>,
585           available at <https://www.tldp.org/d !! 977           <file:Documentation/smp.txt> and the SMP-HOWTO available at
                                                   >> 978           <http://www.tldp.org/docs.html#howto>.
586                                                   979 
587           If you don't know what to do here, s    980           If you don't know what to do here, say N.
588                                                   981 
589 config NR_CPUS                                    982 config NR_CPUS
590         int "Maximum number of CPUs (2-32)"       983         int "Maximum number of CPUs (2-32)"
591         range 2 32                             << 
592         depends on SMP                            984         depends on SMP
593         default "4" if CPU_SUBTYPE_SHX3        !! 985         default "32"
594         default "2"                            << 
595         help                                      986         help
596           This allows you to specify the maxim    987           This allows you to specify the maximum number of CPUs which this
597           kernel will support.  The maximum su    988           kernel will support.  The maximum supported value is 32 and the
598           minimum value which makes sense is 2    989           minimum value which makes sense is 2.
599                                                   990 
600           This is purely to save memory - each    991           This is purely to save memory - each supported CPU adds
601           approximately eight kilobytes to the    992           approximately eight kilobytes to the kernel image.
602                                                   993 
603 config HOTPLUG_CPU                             !! 994 config PREEMPT
604         bool "Support for hot-pluggable CPUs ( !! 995         bool "Preemptible Kernel"
605         depends on SMP                         << 
606         help                                      996         help
607           Say Y here to experiment with turnin !! 997           This option reduces the latency of the kernel when reacting to
608           can be controlled through /sys/devic !! 998           real-time or interactive events by allowing a low priority process to
                                                   >> 999           be preempted even if it is in kernel mode executing a system call.
                                                   >> 1000           This allows applications to run more reliably even when the system is
                                                   >> 1001           under load.
                                                   >> 1002 
                                                   >> 1003 config DEBUG_SPINLOCK_SLEEP
                                                   >> 1004         bool "Sleep-inside-spinlock checking"
                                                   >> 1005         help
                                                   >> 1006           If you say Y here, various routines which may sleep will become very
                                                   >> 1007           noisy if they are called with a spinlock held.
                                                   >> 1008 
                                                   >> 1009 config RTC_DS1742
                                                   >> 1010         bool "DS1742 BRAM/RTC support"
                                                   >> 1011         depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
                                                   >> 1012 
                                                   >> 1013 config MIPS_INSANE_LARGE
                                                   >> 1014         bool "Support for large 64-bit configurations"
                                                   >> 1015         depends on CPU_R10000 && MIPS64
                                                   >> 1016         help
                                                   >> 1017           MIPS R10000 does support a 44 bit / 16TB address space as opposed to
                                                   >> 1018           previous 64-bit processors which only supported 40 bit / 1TB. If you
                                                   >> 1019           need processes of more than 1TB virtual address space, say Y here.
                                                   >> 1020           This will result in additional memory usage, so it is not
                                                   >> 1021           recommended for normal users.
609                                                   1022 
610 config GUSA                                    !! 1023 config RWSEM_GENERIC_SPINLOCK
611         def_bool y                             !! 1024         bool
612         depends on !SMP                        !! 1025         default y
613         help                                   !! 1026 
614           This enables support for gUSA (gener !! 1027 endmenu
615           This is the default implementation f !! 1028 
616           CPUs, and is used by the libc, among !! 1029 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
                                                   >> 1030 
                                                   >> 1031 config PCI
                                                   >> 1032         bool "Support for PCI controller"
                                                   >> 1033         depends on MIPS_DB1000 || DDB5074 || DDB5476 || DDB5477 || HP_LASERJET || LASAT || MIPS_IVR || MIPS_ATLAS || MIPS_COBALT || MIPS_EV64120 || MIPS_EV96100 || MIPS_ITE8172 || MIPS_MALTA || MOMENCO_OCELOT || MOMENCO_OCELOT_C || MOMENCO_OCELOT_G || MIPS_PB1000 || MIPS_PB1100 || MIPS_PB1500 || NEC_EAGLE || SGI_IP27 || SGI_IP32 || SIBYTE_SB1250 || SNI_RM200_PCI || TANBAC_TB0226 || TANBAC_TB0229 || TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 || VICTOR_MPC30X || ZAO_CAPCELLA
                                                   >> 1034         help
                                                   >> 1035           Find out whether you have a PCI motherboard. PCI is the name of a
                                                   >> 1036           bus system, i.e. the way the CPU talks to the other stuff inside
                                                   >> 1037           your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
                                                   >> 1038           say Y, otherwise N.
                                                   >> 1039 
                                                   >> 1040           The PCI-HOWTO, available from
                                                   >> 1041           <http://www.tldp.org/docs.html#howto>, contains valuable
                                                   >> 1042           information about which PCI hardware does work under Linux and which
                                                   >> 1043           doesn't.
                                                   >> 1044 
                                                   >> 1045 source "drivers/pci/Kconfig"
                                                   >> 1046 
                                                   >> 1047 config ISA
                                                   >> 1048         bool "ISA bus support"
                                                   >> 1049         depends on ACER_PICA_61 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || SNI_RM200_PCI
                                                   >> 1050         default y if TOSHIBA_RBTX4927 || DDB5476 || DDB5074 || IBM_WORKPAD || CASIO_E55
                                                   >> 1051         help
                                                   >> 1052           Find out whether you have ISA slots on your motherboard.  ISA is the
                                                   >> 1053           name of a bus system, i.e. the way the CPU talks to the other stuff
                                                   >> 1054           inside your box.  Other bus systems are PCI, EISA, or VESA.  ISA is
                                                   >> 1055           an older system, now being displaced by PCI; newer boards don't
                                                   >> 1056           support it.  If you have ISA, say Y, otherwise N.
                                                   >> 1057 
                                                   >> 1058 #
                                                   >> 1059 # The SCSI bits are needed to get the SCSI code to link ...
                                                   >> 1060 #
                                                   >> 1061 config GENERIC_ISA_DMA
                                                   >> 1062         bool
                                                   >> 1063         default y if ACER_PICA_61 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || SNI_RM200_PCI || SCSI
                                                   >> 1064 
                                                   >> 1065 config EISA
                                                   >> 1066         bool "EISA support"
                                                   >> 1067         depends on ISA && (SGI_IP22 || SNI_RM200_PCI)
                                                   >> 1068         ---help---
                                                   >> 1069           The Extended Industry Standard Architecture (EISA) bus was
                                                   >> 1070           developed as an open alternative to the IBM MicroChannel bus.
                                                   >> 1071 
                                                   >> 1072           The EISA bus provided some of the features of the IBM MicroChannel
                                                   >> 1073           bus while maintaining backward compatibility with cards made for
                                                   >> 1074           the older ISA bus.  The EISA bus saw limited use between 1988 and
                                                   >> 1075           1995 when it was made obsolete by the PCI bus.
617                                                   1076 
618           For additional information, design i !! 1077           Say Y here if you are building a kernel for an EISA-based machine.
619           in <http://lc.linux.or.jp/lc2002/pap << 
620                                                   1078 
621           This should only be disabled for spe !! 1079           Otherwise, say N.
622           atomicity implementations exist.     << 
623                                                   1080 
624 config GUSA_RB                                 !! 1081 source "drivers/eisa/Kconfig"
625         bool "Implement atomic operations by r !! 1082 
626         depends on GUSA && CPU_SH3 || (CPU_SH4 !! 1083 config TC
                                                   >> 1084         bool "TURBOchannel support"
                                                   >> 1085         depends on DECSTATION
627         help                                      1086         help
628           Enabling this option will allow the  !! 1087           TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
629           atomic operations using a software i !! 1088           processors.  Documentation on writing device drivers for TurboChannel
630           store-conditional (LLSC). On machine !! 1089           is available at:
631           LLSC, this should be more efficient  !! 1090           <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
632           disabling interrupts around the atom !! 1091 
                                                   >> 1092 #config ACCESSBUS
                                                   >> 1093 #       bool "Access.Bus support"
                                                   >> 1094 #       depends on TC
633                                                   1095 
634 config HW_PERF_EVENTS                          !! 1096 config MMU
635         bool "Enable hardware performance coun !! 1097         bool
636         depends on PERF_EVENTS && CPU_HAS_PMU  << 
637         default y                                 1098         default y
638         help                                   << 
639           Enable hardware performance counter  << 
640           disabled, perf events will use softw << 
641                                                   1099 
642 source "drivers/sh/Kconfig"                    !! 1100 config MCA
                                                   >> 1101         bool
                                                   >> 1102 
                                                   >> 1103 config SBUS
                                                   >> 1104         bool
                                                   >> 1105 
                                                   >> 1106 config HOTPLUG
                                                   >> 1107         bool "Support for hot-pluggable devices"
                                                   >> 1108         ---help---
                                                   >> 1109           Say Y here if you want to plug devices into your computer while
                                                   >> 1110           the system is running, and be able to use them quickly.  In many
                                                   >> 1111           cases, the devices can likewise be unplugged at any time too.
                                                   >> 1112 
                                                   >> 1113           One well known example of this is PCMCIA- or PC-cards, credit-card
                                                   >> 1114           size devices such as network cards, modems or hard drives which are
                                                   >> 1115           plugged into slots found on all modern laptop computers.  Another
                                                   >> 1116           example, used on modern desktops as well as laptops, is USB.
                                                   >> 1117 
                                                   >> 1118           Enable HOTPLUG and KMOD, and build a modular kernel.  Get agent
                                                   >> 1119           software (at <http://linux-hotplug.sourceforge.net/>) and install it.
                                                   >> 1120           Then your kernel will automatically call out to a user mode "policy
                                                   >> 1121           agent" (/sbin/hotplug) to load modules and set up software needed
                                                   >> 1122           to use devices as you hotplug them.
                                                   >> 1123 
                                                   >> 1124 source "drivers/pcmcia/Kconfig"
                                                   >> 1125 
                                                   >> 1126 source "drivers/pci/hotplug/Kconfig"
643                                                   1127 
644 endmenu                                           1128 endmenu
645                                                   1129 
646 menu "Boot options"                            !! 1130 menu "Executable file formats"
647                                                   1131 
648 config USE_BUILTIN_DTB                         !! 1132 source "fs/Kconfig.binfmt"
649         bool "Use builtin DTB"                 << 
650         default n                              << 
651         depends on SH_DEVICE_TREE              << 
652         help                                   << 
653           Link a device tree blob for particul << 
654           suppressing use of the DTB pointer p << 
655           This option should only be used with << 
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                                                   1133 
710 choice                                         !! 1134 config TRAD_SIGNALS
711         prompt "Kernel command line"           !! 1135         bool
712         default CMDLINE_OVERWRITE              !! 1136         default y if MIPS32
713         help                                   !! 1137 
714           Setting this option allows the kerne !! 1138 config BINFMT_IRIX
715           to be set.                           !! 1139         bool "Include IRIX binary compatibility"
                                                   >> 1140         depends on !CPU_LITTLE_ENDIAN && MIPS32
716                                                   1141 
717 config CMDLINE_OVERWRITE                       !! 1142 config MIPS32_COMPAT
718         bool "Overwrite bootloader kernel argu !! 1143         bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
                                                   >> 1144         depends on MIPS64
719         help                                      1145         help
720           Given string will overwrite any argu !! 1146           Select this option if you want Linux/MIPS 32-bit binary
721           a bootloader.                        !! 1147           compatibility. Since all software available for Linux/MIPS is
                                                   >> 1148           currently 32-bit you should say Y here.
722                                                   1149 
723 config CMDLINE_EXTEND                          !! 1150 config COMPAT
724         bool "Extend bootloader kernel argumen !! 1151         bool
                                                   >> 1152         depends on MIPS32_COMPAT
                                                   >> 1153         default y
                                                   >> 1154 
                                                   >> 1155 config MIPS32_O32
                                                   >> 1156         bool "Kernel support for o32 binaries"
                                                   >> 1157         depends on MIPS32_COMPAT
725         help                                      1158         help
726           Given string will be concatenated wi !! 1159           Select this option if you want to run o32 binaries.  These are pure
727           by a bootloader.                     !! 1160           32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
                                                   >> 1161           existing binaries are in this format.
728                                                   1162 
729 config CMDLINE_FROM_BOOTLOADER                 !! 1163           If unsure, say Y.
730         bool "Use bootloader kernel arguments" !! 1164 
                                                   >> 1165 config MIPS32_N32
                                                   >> 1166         bool "Kernel support for n32 binaries"
                                                   >> 1167         depends on MIPS32_COMPAT
731         help                                      1168         help
732           Uses the command-line options passed !! 1169           Select this option if you want to run n32 binaries.  These are
                                                   >> 1170           64-bit binaries using 32-bit quantities for addressing and certain
                                                   >> 1171           data that would normally be 64-bit.  They are used in special
                                                   >> 1172           cases.
733                                                   1173 
734 endchoice                                      !! 1174           If unsure, say N.
735                                                   1175 
736 config CMDLINE                                 !! 1176 config BINFMT_ELF32
737         string "Kernel command line arguments  !! 1177         bool
738         depends on CMDLINE_OVERWRITE || CMDLIN !! 1178         default y if MIPS32_O32 || MIPS32_N32
739         default "console=ttySC1,115200"        !! 1179 
                                                   >> 1180 config PM
                                                   >> 1181         bool "Power Management support (EXPERIMENTAL)"
                                                   >> 1182         depends on EXPERIMENTAL && SOC_AU1X00
740                                                   1183 
741 endmenu                                           1184 endmenu
742                                                   1185 
743 menu "Bus options"                             !! 1186 source "drivers/mtd/Kconfig"
                                                   >> 1187 
                                                   >> 1188 source "drivers/parport/Kconfig"
                                                   >> 1189 
                                                   >> 1190 source "drivers/pnp/Kconfig"
                                                   >> 1191 
                                                   >> 1192 source "drivers/base/Kconfig"
                                                   >> 1193 
                                                   >> 1194 source "drivers/block/Kconfig"
                                                   >> 1195 
                                                   >> 1196 
                                                   >> 1197 menu "MIPS initrd options"
                                                   >> 1198         depends on BLK_DEV_INITRD
                                                   >> 1199 
                                                   >> 1200 config EMBEDDED_RAMDISK
                                                   >> 1201         bool "Embed root filesystem ramdisk into the kernel"
                                                   >> 1202 
                                                   >> 1203 config EMBEDDED_RAMDISK_IMAGE
                                                   >> 1204         string "Filename of gziped ramdisk image"
                                                   >> 1205         depends on EMBEDDED_RAMDISK
                                                   >> 1206         default "ramdisk.gz"
                                                   >> 1207         help
                                                   >> 1208           This is the filename of the ramdisk image to be built into the
                                                   >> 1209           kernel.  Relative pathnames are relative to arch/mips/ramdisk/.  
                                                   >> 1210           The ramdisk image is not part of the kernel distribution; you must
                                                   >> 1211           provide one yourself.
                                                   >> 1212 
                                                   >> 1213 endmenu
                                                   >> 1214 
                                                   >> 1215 source "drivers/ide/Kconfig"
                                                   >> 1216 
                                                   >> 1217 source "drivers/scsi/Kconfig"
                                                   >> 1218 
                                                   >> 1219 source "drivers/cdrom/Kconfig"
                                                   >> 1220 
                                                   >> 1221 source "drivers/md/Kconfig"
                                                   >> 1222 
                                                   >> 1223 source "drivers/message/fusion/Kconfig"
                                                   >> 1224 
                                                   >> 1225 source "drivers/ieee1394/Kconfig"
                                                   >> 1226 
                                                   >> 1227 source "drivers/message/i2o/Kconfig"
                                                   >> 1228 
                                                   >> 1229 source "net/Kconfig"
744                                                   1230 
745 config MAPLE                                   !! 1231 source "drivers/isdn/Kconfig"
746         bool "Maple Bus support"               !! 1232 
747         depends on SH_DREAMCAST                !! 1233 source "drivers/telephony/Kconfig"
748         help                                   !! 1234 
749          The Maple Bus is SEGA's serial commun !! 1235 #
750          on the Dreamcast. Without this bus su !! 1236 # input before char - char/joystick depends on it. As does USB.
751          get your Dreamcast keyboard etc to wo !! 1237 #
752          probably want to say 'Y' here, unless !! 1238 source "drivers/input/Kconfig"
753          Dreamcast with a serial line terminal !! 1239 
754          connection.                           !! 1240 source "drivers/char/Kconfig"
                                                   >> 1241 
                                                   >> 1242 #source drivers/misc/Config.in
                                                   >> 1243 
                                                   >> 1244 source "drivers/media/Kconfig"
                                                   >> 1245 
                                                   >> 1246 source "fs/Kconfig"
                                                   >> 1247 
                                                   >> 1248 source "drivers/video/Kconfig"
                                                   >> 1249 
                                                   >> 1250 
                                                   >> 1251 menu "Sound"
                                                   >> 1252 
                                                   >> 1253 config SOUND
                                                   >> 1254         tristate "Sound card support"
                                                   >> 1255         ---help---
                                                   >> 1256           If you have a sound card in your computer, i.e. if it can say more
                                                   >> 1257           than an occasional beep, say Y.  Be sure to have all the information
                                                   >> 1258           about your sound card and its configuration down (I/O port,
                                                   >> 1259           interrupt and DMA channel), because you will be asked for it.
                                                   >> 1260 
                                                   >> 1261           You want to read the Sound-HOWTO, available from
                                                   >> 1262           <http://www.tldp.org/docs.html#howto>. General information about
                                                   >> 1263           the modular sound system is contained in the files
                                                   >> 1264           <file:Documentation/sound/Introduction>.  The file
                                                   >> 1265           <file:Documentation/sound/README.OSS> contains some slightly
                                                   >> 1266           outdated but still useful information as well.
                                                   >> 1267 
                                                   >> 1268           If you have a PnP sound card and you want to configure it at boot
                                                   >> 1269           time using the ISA PnP tools (read
                                                   >> 1270           <http://www.roestock.demon.co.uk/isapnptools/>), then you need to
                                                   >> 1271           compile the sound card support as a module and load that module
                                                   >> 1272           after the PnP configuration is finished. To do this, choose M here
                                                   >> 1273           and read <file:Documentation/sound/README.modules>; the module
                                                   >> 1274           will be called soundcore.
                                                   >> 1275 
                                                   >> 1276           I'm told that even without a sound card, you can make your computer
                                                   >> 1277           say more than an occasional beep, by programming the PC speaker.
                                                   >> 1278           Kernel patches and supporting utilities to do that are in the pcsp
                                                   >> 1279           package, available at <ftp://ftp.infradead.org/pub/pcsp/>.
                                                   >> 1280 
                                                   >> 1281 source "sound/Kconfig"
755                                                   1282 
756 endmenu                                           1283 endmenu
757                                                   1284 
758 menu "Power management options (EXPERIMENTAL)" !! 1285 source "drivers/usb/Kconfig"
759                                                   1286 
760 source "kernel/power/Kconfig"                  << 
761                                                   1287 
762 source "drivers/cpuidle/Kconfig"               !! 1288 menu "Kernel hacking"
                                                   >> 1289 
                                                   >> 1290 config CROSSCOMPILE
                                                   >> 1291         bool "Are you using a crosscompiler"
                                                   >> 1292         help
                                                   >> 1293           Say Y here if you are compiling the kernel on a different
                                                   >> 1294           architecture than the one it is intended to run on.
                                                   >> 1295 
                                                   >> 1296 config DEBUG_KERNEL
                                                   >> 1297         bool "Kernel debugging"
                                                   >> 1298 
                                                   >> 1299 config KGDB
                                                   >> 1300         bool "Remote GDB kernel debugging"
                                                   >> 1301         depends on DEBUG_KERNEL
                                                   >> 1302         help
                                                   >> 1303           If you say Y here, it will be possible to remotely debug the MIPS
                                                   >> 1304           kernel using gdb. This enlarges your kernel image disk size by
                                                   >> 1305           several megabytes and requires a machine with more than 16 MB,
                                                   >> 1306           better 32 MB RAM to avoid excessive linking time. This is only
                                                   >> 1307           useful for kernel hackers. If unsure, say N.
                                                   >> 1308 
                                                   >> 1309 config GDB_CONSOLE
                                                   >> 1310         bool "Console output to GDB"
                                                   >> 1311         depends on KGDB
                                                   >> 1312         help
                                                   >> 1313           If you are using GDB for remote debugging over a serial port and
                                                   >> 1314           would like kernel messages to be formatted into GDB $O packets so
                                                   >> 1315           that GDB prints them as program output, say 'Y'.
                                                   >> 1316 
                                                   >> 1317 config RUNTIME_DEBUG
                                                   >> 1318         bool "Enable run-time debugging"
                                                   >> 1319         depends on DEBUG_KERNEL
                                                   >> 1320         help
                                                   >> 1321           If you say Y here, some debugging macros will do run-time checking.
                                                   >> 1322           If you say N here, those macros will mostly turn to no-ops.  See 
                                                   >> 1323           include/asm-mips/debug.h for debuging macros.
                                                   >> 1324           If unsure, say N.
                                                   >> 1325 
                                                   >> 1326 
                                                   >> 1327 config MAGIC_SYSRQ
                                                   >> 1328         bool "Magic SysRq key"
                                                   >> 1329         depends on DEBUG_KERNEL
                                                   >> 1330         help
                                                   >> 1331           If you say Y here, you will have some control over the system even
                                                   >> 1332           if the system crashes for example during kernel debugging (e.g., you
                                                   >> 1333           will be able to flush the buffer cache to disk, reboot the system
                                                   >> 1334           immediately or dump some status information). This is accomplished
                                                   >> 1335           by pressing various keys while holding SysRq (Alt+PrintScreen). It
                                                   >> 1336           also works on a serial console (on PC hardware at least), if you
                                                   >> 1337           send a BREAK and then within 5 seconds a command keypress. The
                                                   >> 1338           keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
                                                   >> 1339           unless you really know what this hack does.
                                                   >> 1340 
                                                   >> 1341 config MIPS_UNCACHED
                                                   >> 1342         bool "Run uncached"
                                                   >> 1343         depends on DEBUG_KERNEL && !SMP && !SGI_IP27
                                                   >> 1344         help
                                                   >> 1345           If you say Y here there kernel will disable all CPU caches.  This will
                                                   >> 1346           reduce the system's performance dramatically but can help finding
                                                   >> 1347           otherwise hard to track bugs.  It can also useful if you're doing
                                                   >> 1348           hardware debugging with a logic analyzer and need to see all traffic
                                                   >> 1349           on the bus.
                                                   >> 1350 
                                                   >> 1351 config DEBUG_HIGHMEM
                                                   >> 1352         bool "Highmem debugging"
                                                   >> 1353         depends on DEBUG_KERNEL && HIGHMEM
763                                                   1354 
764 endmenu                                           1355 endmenu
                                                   >> 1356 
                                                   >> 1357 source "security/Kconfig"
                                                   >> 1358 
                                                   >> 1359 source "crypto/Kconfig"
                                                   >> 1360 
                                                   >> 1361 source "lib/Kconfig"
                                                      

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