arch/mn10300/Kconfig

   1 config MN10300
   2         def_bool y
   3         select HAVE_OPROFILE
   4         select HAVE_GENERIC_HARDIRQS
   5         select GENERIC_HARDIRQS_NO_DEPRECATED
   6         select GENERIC_IRQ_SHOW
   7         select HAVE_ARCH_TRACEHOOK
   8         select HAVE_ARCH_KGDB
   9
  10 config AM33_2
  11         def_bool n
  12
  13 config AM33_3
  14         def_bool n
  15
  16 config AM34_2
  17         def_bool n
  18         select MN10300_HAS_ATOMIC_OPS_UNIT
  19         select MN10300_HAS_CACHE_SNOOP
  20
  21 config ERRATUM_NEED_TO_RELOAD_MMUCTR
  22         def_bool y if AM33_3 || AM34_2
  23
  24 config MMU
  25         def_bool y
  26
  27 config HIGHMEM
  28         def_bool n
  29
  30 config NUMA
  31         def_bool n
  32
  33 config UID16
  34         def_bool y
  35
  36 config RWSEM_GENERIC_SPINLOCK
  37         def_bool y
  38
  39 config RWSEM_XCHGADD_ALGORITHM
  40         bool
  41
  42 config GENERIC_CALIBRATE_DELAY
  43         def_bool y
  44
  45 config GENERIC_CMOS_UPDATE
  46         def_bool n
  47
  48 config GENERIC_FIND_NEXT_BIT
  49         def_bool y
  50
  51 config GENERIC_HWEIGHT
  52         def_bool y
  53
  54 config GENERIC_TIME
  55         def_bool y
  56
  57 config GENERIC_CLOCKEVENTS
  58         def_bool y
  59
  60 config GENERIC_BUG
  61         def_bool y
  62
  63 config QUICKLIST
  64         def_bool y
  65
  66 config ARCH_HAS_ILOG2_U32
  67         def_bool y
  68
  69 config HOTPLUG_CPU
  70         def_bool n
  71
  72 source "init/Kconfig"
  73
  74 source "kernel/Kconfig.freezer"
  75
  76
  77 menu "Panasonic MN10300 system setup"
  78
  79 choice
  80         prompt "Unit type"
  81         default MN10300_UNIT_ASB2303
  82         help
  83           This option specifies board for which the kernel will be
  84           compiled. It affects the external peripherals catered for.
  85
  86 config MN10300_UNIT_ASB2303
  87         bool "ASB2303"
  88
  89 config MN10300_UNIT_ASB2305
  90         bool "ASB2305"
  91
  92 config MN10300_UNIT_ASB2364
  93         bool "ASB2364"
  94         select SMSC911X_ARCH_HOOKS if SMSC911X
  95
  96 endchoice
  97
  98 choice
  99         prompt "Processor support"
 100         default MN10300_PROC_MN103E010
 101         help
 102           This option specifies the processor for which the kernel will be
 103           compiled. It affects the on-chip peripherals catered for.
 104
 105 config MN10300_PROC_MN103E010
 106         bool "MN103E010"
 107         depends on MN10300_UNIT_ASB2303 || MN10300_UNIT_ASB2305
 108         select AM33_2
 109         select MN10300_PROC_HAS_TTYSM0
 110         select MN10300_PROC_HAS_TTYSM1
 111         select MN10300_PROC_HAS_TTYSM2
 112
 113 config MN10300_PROC_MN2WS0050
 114         bool "MN2WS0050"
 115         depends on MN10300_UNIT_ASB2364
 116         select AM34_2
 117         select MN10300_PROC_HAS_TTYSM0
 118         select MN10300_PROC_HAS_TTYSM1
 119         select MN10300_PROC_HAS_TTYSM2
 120
 121 endchoice
 122
 123 config MN10300_HAS_ATOMIC_OPS_UNIT
 124         def_bool n
 125         help
 126           This should be enabled if the processor has an atomic ops unit
 127           capable of doing LL/SC equivalent operations.
 128
 129 config FPU
 130         bool "FPU present"
 131         default y
 132         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 133
 134 config LAZY_SAVE_FPU
 135         bool "Save FPU state lazily"
 136         default y
 137         depends on FPU && !SMP
 138         help
 139           Enable this to be lazy in the saving of the FPU state to the owning
 140           task's thread struct.  This is useful if most tasks on the system
 141           don't use the FPU as only those tasks that use it will pass it
 142           between them, and the state needn't be saved for a task that isn't
 143           using it.
 144
 145           This can't be so easily used on SMP as the process that owns the FPU
 146           state on a CPU may be currently running on another CPU, so for the
 147           moment, it is disabled.
 148
 149 source "arch/mn10300/mm/Kconfig.cache"
 150
 151 config MN10300_TLB_USE_PIDR
 152         def_bool y
 153
 154 menu "Memory layout options"
 155
 156 config KERNEL_RAM_BASE_ADDRESS
 157         hex "Base address of kernel RAM"
 158         default "0x90000000"
 159
 160 config INTERRUPT_VECTOR_BASE
 161         hex "Base address of vector table"
 162         default "0x90000000"
 163         help
 164           The base address of the vector table will be programmed into
 165           the TBR register. It must be on 16MiB address boundary.
 166
 167 config KERNEL_TEXT_ADDRESS
 168         hex "Base address of kernel"
 169         default "0x90001000"
 170
 171 config KERNEL_ZIMAGE_BASE_ADDRESS
 172         hex "Base address of compressed vmlinux image"
 173         default "0x50700000"
 174
 175 config BOOT_STACK_OFFSET
 176         hex
 177         default "0xF00" if SMP
 178         default "0xFF0" if !SMP
 179
 180 config BOOT_STACK_SIZE
 181         hex
 182         depends on SMP
 183         default "0x100"
 184 endmenu
 185
 186 config SMP
 187         bool "Symmetric multi-processing support"
 188         default y
 189         select USE_GENERIC_SMP_HELPERS
 190         depends on MN10300_PROC_MN2WS0038 || MN10300_PROC_MN2WS0050
 191         ---help---
 192           This enables support for systems with more than one CPU. If you have
 193           a system with only one CPU, like most personal computers, say N. If
 194           you have a system with more than one CPU, say Y.
 195
 196           If you say N here, the kernel will run on single and multiprocessor
 197           machines, but will use only one CPU of a multiprocessor machine. If
 198           you say Y here, the kernel will run on many, but not all,
 199           singleprocessor machines. On a singleprocessor machine, the kernel
 200           will run faster if you say N here.
 201
 202           See also <file:Documentation/i386/IO-APIC.txt>,
 203           <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
 204           <http://www.tldp.org/docs.html#howto>.
 205
 206           If you don't know what to do here, say N.
 207
 208 config NR_CPUS
 209         int
 210         depends on SMP
 211         default "2"
 212
 213 source "kernel/Kconfig.preempt"
 214
 215 config MN10300_CURRENT_IN_E2
 216         bool "Hold current task address in E2 register"
 217         depends on !SMP
 218         default y
 219         help
 220           This option removes the E2/R2 register from the set available to gcc
 221           for normal use and instead uses it to store the address of the
 222           current process's task_struct whilst in the kernel.
 223
 224           This means the kernel doesn't need to calculate the address each time
 225           "current" is used (take SP, AND with mask and dereference pointer
 226           just to get the address), and instead can just use E2+offset
 227           addressing each time.
 228
 229           This has no effect on userspace.
 230
 231 config MN10300_USING_JTAG
 232         bool "Using JTAG to debug kernel"
 233         default y
 234         help
 235           This options indicates that JTAG will be used to debug the kernel. It
 236           suppresses the use of certain hardware debugging features, such as
 237           single-stepping, which are taken over completely by the JTAG unit.
 238
 239 source "kernel/Kconfig.hz"
 240 source "kernel/time/Kconfig"
 241
 242 config MN10300_RTC
 243         bool "Using MN10300 RTC"
 244         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 245         select GENERIC_CMOS_UPDATE
 246         default n
 247         help
 248           This option enables support for the RTC, thus enabling time to be
 249           tracked, even when system is powered down. This is available on-chip
 250           on the MN103E010.
 251
 252 config MN10300_WD_TIMER
 253         bool "Using MN10300 watchdog timer"
 254         default y
 255         help
 256           This options indicates that the watchdog timer will be used.
 257
 258 config PCI
 259         bool "Use PCI"
 260         depends on MN10300_UNIT_ASB2305
 261         default y
 262         help
 263           Some systems (such as the ASB2305) have PCI onboard. If you have one
 264           of these boards and you wish to use the PCI facilities, say Y here.
 265
 266           The PCI-HOWTO, available from
 267           <http://www.tldp.org/docs.html#howto>, contains valuable
 268           information about which PCI hardware does work under Linux and which
 269           doesn't.
 270
 271 source "drivers/pci/Kconfig"
 272
 273 source "drivers/pcmcia/Kconfig"
 274
 275 menu "MN10300 internal serial options"
 276
 277 config MN10300_PROC_HAS_TTYSM0
 278         bool
 279         default n
 280
 281 config MN10300_PROC_HAS_TTYSM1
 282         bool
 283         default n
 284
 285 config MN10300_PROC_HAS_TTYSM2
 286         bool
 287         default n
 288
 289 config MN10300_TTYSM
 290         bool "Support for ttySM serial ports"
 291         depends on MN10300
 292         default y
 293         select SERIAL_CORE
 294         help
 295           This option enables support for the on-chip serial ports that the
 296           MN10300 has available.
 297
 298 config MN10300_TTYSM_CONSOLE
 299         bool "Support for console on ttySM serial ports"
 300         depends on MN10300_TTYSM
 301         select SERIAL_CORE_CONSOLE
 302         help
 303           This option enables support for a console on the on-chip serial ports
 304           that the MN10300 has available.
 305
 306 #
 307 # /dev/ttySM0
 308 #
 309 config MN10300_TTYSM0
 310         bool "Enable SIF0 (/dev/ttySM0)"
 311         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0
 312         help
 313           Enable access to SIF0 through /dev/ttySM0 or gdb-stub
 314
 315 choice
 316         prompt "Select the timer to supply the clock for SIF0"
 317         default MN10300_TTYSM0_TIMER8
 318         depends on MN10300_TTYSM0
 319
 320 config MN10300_TTYSM0_TIMER8
 321         bool "Use timer 8 (16-bit)"
 322
 323 config MN10300_TTYSM0_TIMER2
 324         bool "Use timer 2 (8-bit)"
 325
 326 endchoice
 327
 328 #
 329 # /dev/ttySM1
 330 #
 331 config MN10300_TTYSM1
 332         bool "Enable SIF1 (/dev/ttySM1)"
 333         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1
 334         help
 335           Enable access to SIF1 through /dev/ttySM1 or gdb-stub
 336
 337 choice
 338         prompt "Select the timer to supply the clock for SIF1"
 339         default MN10300_TTYSM1_TIMER12 \
 340                 if !(AM33_2 || AM33_3)
 341         default MN10300_TTYSM1_TIMER9 \
 342                 if AM33_2 || AM33_3
 343         depends on MN10300_TTYSM1
 344
 345 config MN10300_TTYSM1_TIMER12
 346         bool "Use timer 12 (16-bit)"
 347         depends on !(AM33_2 || AM33_3)
 348
 349 config MN10300_TTYSM1_TIMER9
 350         bool "Use timer 9 (16-bit)"
 351         depends on AM33_2 || AM33_3
 352
 353 config MN10300_TTYSM1_TIMER3
 354         bool "Use timer 3 (8-bit)"
 355         depends on AM33_2 || AM33_3
 356
 357 endchoice
 358
 359 #
 360 # /dev/ttySM2
 361 #
 362 config MN10300_TTYSM2
 363         bool "Enable SIF2 (/dev/ttySM2)"
 364         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2
 365         help
 366           Enable access to SIF2 through /dev/ttySM2 or gdb-stub
 367
 368 choice
 369         prompt "Select the timer to supply the clock for SIF2"
 370         default MN10300_TTYSM2_TIMER3 \
 371                 if !(AM33_2 || AM33_3)
 372         default MN10300_TTYSM2_TIMER10 \
 373                 if AM33_2 || AM33_3
 374         depends on MN10300_TTYSM2
 375
 376 config MN10300_TTYSM2_TIMER9
 377         bool "Use timer 9 (16-bit)"
 378         depends on !(AM33_2 || AM33_3)
 379
 380 config MN10300_TTYSM2_TIMER1
 381         bool "Use timer 1 (8-bit)"
 382         depends on !(AM33_2 || AM33_3)
 383
 384 config MN10300_TTYSM2_TIMER3
 385         bool "Use timer 3 (8-bit)"
 386         depends on !(AM33_2 || AM33_3)
 387
 388 config MN10300_TTYSM2_TIMER10
 389         bool "Use timer 10 (16-bit)"
 390         depends on AM33_2 || AM33_3
 391
 392 endchoice
 393
 394 config MN10300_TTYSM2_CTS
 395         bool "Enable the use of the CTS line /dev/ttySM2"
 396         depends on MN10300_TTYSM2 && AM33_2
 397
 398 endmenu
 399
 400 menu "Interrupt request priority options"
 401
 402 comment "[!] NOTE: A lower number/level indicates a higher priority (0 is highest, 6 is lowest)"
 403
 404 comment "____Non-maskable interrupt levels____"
 405 comment "The following must be set to a higher priority than local_irq_disable() and on-chip serial"
 406
 407 config DEBUGGER_IRQ_LEVEL
 408         int "DEBUGGER interrupt priority"
 409         depends on KERNEL_DEBUGGER
 410         range 0 1 if LINUX_CLI_LEVEL = 2
 411         range 0 2 if LINUX_CLI_LEVEL = 3
 412         range 0 3 if LINUX_CLI_LEVEL = 4
 413         range 0 4 if LINUX_CLI_LEVEL = 5
 414         range 0 5 if LINUX_CLI_LEVEL = 6
 415         default 0
 416
 417 comment "The following must be set to a higher priority than local_irq_disable()"
 418
 419 config MN10300_SERIAL_IRQ_LEVEL
 420         int "MN10300 on-chip serial interrupt priority"
 421         depends on MN10300_TTYSM
 422         range 1 1 if LINUX_CLI_LEVEL = 2
 423         range 1 2 if LINUX_CLI_LEVEL = 3
 424         range 1 3 if LINUX_CLI_LEVEL = 4
 425         range 1 4 if LINUX_CLI_LEVEL = 5
 426         range 1 5 if LINUX_CLI_LEVEL = 6
 427         default 1
 428
 429 comment "-"
 430 comment "____Maskable interrupt levels____"
 431
 432 config LINUX_CLI_LEVEL
 433         int "The highest interrupt priority excluded by local_irq_disable() (2-6)"
 434         range 2 6
 435         default 2
 436         help
 437           local_irq_disable() doesn't actually disable maskable interrupts -
 438           what it does is restrict the levels of interrupt which are permitted
 439           (a lower level indicates a higher priority) by lowering the value in
 440           EPSW.IM from 7.  Any interrupt is permitted for which the level is
 441           lower than EPSW.IM.
 442
 443           Certain interrupts, such as DEBUGGER and virtual MN10300 on-chip
 444           serial DMA interrupts are allowed to interrupt normal disabled
 445           sections.
 446
 447 comment "The following must be set to a equal to or lower priority than LINUX_CLI_LEVEL"
 448
 449 config TIMER_IRQ_LEVEL
 450         int "Kernel timer interrupt priority"
 451         range LINUX_CLI_LEVEL 6
 452         default 4
 453
 454 config PCI_IRQ_LEVEL
 455         int "PCI interrupt priority"
 456         depends on PCI
 457         range LINUX_CLI_LEVEL 6
 458         default 5
 459
 460 config ETHERNET_IRQ_LEVEL
 461         int "Ethernet interrupt priority"
 462         depends on SMC91X || SMC911X || SMSC911X
 463         range LINUX_CLI_LEVEL 6
 464         default 6
 465
 466 config EXT_SERIAL_IRQ_LEVEL
 467         int "External serial port interrupt priority"
 468         depends on SERIAL_8250
 469         range LINUX_CLI_LEVEL 6
 470         default 6
 471
 472 endmenu
 473
 474 source "mm/Kconfig"
 475
 476 menu "Power management options"
 477 source kernel/power/Kconfig
 478 endmenu
 479
 480 endmenu
 481
 482
 483 menu "Executable formats"
 484
 485 source "fs/Kconfig.binfmt"
 486
 487 endmenu
 488
 489 source "net/Kconfig"
 490
 491 source "drivers/Kconfig"
 492
 493 source "fs/Kconfig"
 494
 495 source "arch/mn10300/Kconfig.debug"
 496
 497 source "security/Kconfig"
 498
 499 source "crypto/Kconfig"
 500
 501 source "lib/Kconfig"