arch/mn10300/Kconfig

   1 config MN10300
   2         def_bool y
   3         select HAVE_OPROFILE
   4         select HAVE_GENERIC_HARDIRQS
   5         select GENERIC_IRQ_SHOW
   6         select HAVE_ARCH_TRACEHOOK
   7         select HAVE_ARCH_KGDB
   8
   9 config AM33_2
  10         def_bool n
  11
  12 config AM33_3
  13         def_bool n
  14
  15 config AM34_2
  16         def_bool n
  17         select MN10300_HAS_ATOMIC_OPS_UNIT
  18         select MN10300_HAS_CACHE_SNOOP
  19
  20 config ERRATUM_NEED_TO_RELOAD_MMUCTR
  21         def_bool y if AM33_3 || AM34_2
  22
  23 config MMU
  24         def_bool y
  25
  26 config HIGHMEM
  27         def_bool n
  28
  29 config NUMA
  30         def_bool n
  31
  32 config UID16
  33         def_bool y
  34
  35 config RWSEM_GENERIC_SPINLOCK
  36         def_bool y
  37
  38 config RWSEM_XCHGADD_ALGORITHM
  39         bool
  40
  41 config GENERIC_CALIBRATE_DELAY
  42         def_bool y
  43
  44 config GENERIC_CMOS_UPDATE
  45         def_bool n
  46
  47 config GENERIC_HWEIGHT
  48         def_bool y
  49
  50 config GENERIC_TIME
  51         def_bool y
  52
  53 config GENERIC_CLOCKEVENTS
  54         def_bool y
  55
  56 config GENERIC_BUG
  57         def_bool y
  58
  59 config QUICKLIST
  60         def_bool y
  61
  62 config ARCH_HAS_ILOG2_U32
  63         def_bool y
  64
  65 config HOTPLUG_CPU
  66         def_bool n
  67
  68 source "init/Kconfig"
  69
  70 source "kernel/Kconfig.freezer"
  71
  72
  73 menu "Panasonic MN10300 system setup"
  74
  75 choice
  76         prompt "Unit type"
  77         default MN10300_UNIT_ASB2303
  78         help
  79           This option specifies board for which the kernel will be
  80           compiled. It affects the external peripherals catered for.
  81
  82 config MN10300_UNIT_ASB2303
  83         bool "ASB2303"
  84
  85 config MN10300_UNIT_ASB2305
  86         bool "ASB2305"
  87
  88 config MN10300_UNIT_ASB2364
  89         bool "ASB2364"
  90         select SMSC911X_ARCH_HOOKS if SMSC911X
  91
  92 endchoice
  93
  94 choice
  95         prompt "Processor support"
  96         default MN10300_PROC_MN103E010
  97         help
  98           This option specifies the processor for which the kernel will be
  99           compiled. It affects the on-chip peripherals catered for.
 100
 101 config MN10300_PROC_MN103E010
 102         bool "MN103E010"
 103         depends on MN10300_UNIT_ASB2303 || MN10300_UNIT_ASB2305
 104         select AM33_2
 105         select MN10300_PROC_HAS_TTYSM0
 106         select MN10300_PROC_HAS_TTYSM1
 107         select MN10300_PROC_HAS_TTYSM2
 108
 109 config MN10300_PROC_MN2WS0050
 110         bool "MN2WS0050"
 111         depends on MN10300_UNIT_ASB2364
 112         select AM34_2
 113         select MN10300_PROC_HAS_TTYSM0
 114         select MN10300_PROC_HAS_TTYSM1
 115         select MN10300_PROC_HAS_TTYSM2
 116
 117 endchoice
 118
 119 config MN10300_HAS_ATOMIC_OPS_UNIT
 120         def_bool n
 121         help
 122           This should be enabled if the processor has an atomic ops unit
 123           capable of doing LL/SC equivalent operations.
 124
 125 config FPU
 126         bool "FPU present"
 127         default y
 128         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 129
 130 config LAZY_SAVE_FPU
 131         bool "Save FPU state lazily"
 132         default y
 133         depends on FPU && !SMP
 134         help
 135           Enable this to be lazy in the saving of the FPU state to the owning
 136           task's thread struct.  This is useful if most tasks on the system
 137           don't use the FPU as only those tasks that use it will pass it
 138           between them, and the state needn't be saved for a task that isn't
 139           using it.
 140
 141           This can't be so easily used on SMP as the process that owns the FPU
 142           state on a CPU may be currently running on another CPU, so for the
 143           moment, it is disabled.
 144
 145 source "arch/mn10300/mm/Kconfig.cache"
 146
 147 config MN10300_TLB_USE_PIDR
 148         def_bool y
 149
 150 menu "Memory layout options"
 151
 152 config KERNEL_RAM_BASE_ADDRESS
 153         hex "Base address of kernel RAM"
 154         default "0x90000000"
 155
 156 config INTERRUPT_VECTOR_BASE
 157         hex "Base address of vector table"
 158         default "0x90000000"
 159         help
 160           The base address of the vector table will be programmed into
 161           the TBR register. It must be on 16MiB address boundary.
 162
 163 config KERNEL_TEXT_ADDRESS
 164         hex "Base address of kernel"
 165         default "0x90001000"
 166
 167 config KERNEL_ZIMAGE_BASE_ADDRESS
 168         hex "Base address of compressed vmlinux image"
 169         default "0x50700000"
 170
 171 config BOOT_STACK_OFFSET
 172         hex
 173         default "0xF00" if SMP
 174         default "0xFF0" if !SMP
 175
 176 config BOOT_STACK_SIZE
 177         hex
 178         depends on SMP
 179         default "0x100"
 180 endmenu
 181
 182 config SMP
 183         bool "Symmetric multi-processing support"
 184         default y
 185         select USE_GENERIC_SMP_HELPERS
 186         depends on MN10300_PROC_MN2WS0038 || MN10300_PROC_MN2WS0050
 187         ---help---
 188           This enables support for systems with more than one CPU. If you have
 189           a system with only one CPU, like most personal computers, say N. If
 190           you have a system with more than one CPU, say Y.
 191
 192           If you say N here, the kernel will run on single and multiprocessor
 193           machines, but will use only one CPU of a multiprocessor machine. If
 194           you say Y here, the kernel will run on many, but not all,
 195           singleprocessor machines. On a singleprocessor machine, the kernel
 196           will run faster if you say N here.
 197
 198           See also <file:Documentation/x86/i386/IO-APIC.txt>,
 199           <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
 200           <http://www.tldp.org/docs.html#howto>.
 201
 202           If you don't know what to do here, say N.
 203
 204 config NR_CPUS
 205         int
 206         depends on SMP
 207         default "2"
 208
 209 source "kernel/Kconfig.preempt"
 210
 211 config MN10300_CURRENT_IN_E2
 212         bool "Hold current task address in E2 register"
 213         depends on !SMP
 214         default y
 215         help
 216           This option removes the E2/R2 register from the set available to gcc
 217           for normal use and instead uses it to store the address of the
 218           current process's task_struct whilst in the kernel.
 219
 220           This means the kernel doesn't need to calculate the address each time
 221           "current" is used (take SP, AND with mask and dereference pointer
 222           just to get the address), and instead can just use E2+offset
 223           addressing each time.
 224
 225           This has no effect on userspace.
 226
 227 config MN10300_USING_JTAG
 228         bool "Using JTAG to debug kernel"
 229         default y
 230         help
 231           This options indicates that JTAG will be used to debug the kernel. It
 232           suppresses the use of certain hardware debugging features, such as
 233           single-stepping, which are taken over completely by the JTAG unit.
 234
 235 source "kernel/Kconfig.hz"
 236 source "kernel/time/Kconfig"
 237
 238 config MN10300_RTC
 239         bool "Using MN10300 RTC"
 240         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 241         select GENERIC_CMOS_UPDATE
 242         default n
 243         help
 244           This option enables support for the RTC, thus enabling time to be
 245           tracked, even when system is powered down. This is available on-chip
 246           on the MN103E010.
 247
 248 config MN10300_WD_TIMER
 249         bool "Using MN10300 watchdog timer"
 250         default y
 251         help
 252           This options indicates that the watchdog timer will be used.
 253
 254 config PCI
 255         bool "Use PCI"
 256         depends on MN10300_UNIT_ASB2305
 257         default y
 258         help
 259           Some systems (such as the ASB2305) have PCI onboard. If you have one
 260           of these boards and you wish to use the PCI facilities, say Y here.
 261
 262           The PCI-HOWTO, available from
 263           <http://www.tldp.org/docs.html#howto>, contains valuable
 264           information about which PCI hardware does work under Linux and which
 265           doesn't.
 266
 267 source "drivers/pci/Kconfig"
 268
 269 source "drivers/pcmcia/Kconfig"
 270
 271 menu "MN10300 internal serial options"
 272
 273 config MN10300_PROC_HAS_TTYSM0
 274         bool
 275         default n
 276
 277 config MN10300_PROC_HAS_TTYSM1
 278         bool
 279         default n
 280
 281 config MN10300_PROC_HAS_TTYSM2
 282         bool
 283         default n
 284
 285 config MN10300_TTYSM
 286         bool "Support for ttySM serial ports"
 287         depends on MN10300
 288         default y
 289         select SERIAL_CORE
 290         help
 291           This option enables support for the on-chip serial ports that the
 292           MN10300 has available.
 293
 294 config MN10300_TTYSM_CONSOLE
 295         bool "Support for console on ttySM serial ports"
 296         depends on MN10300_TTYSM
 297         select SERIAL_CORE_CONSOLE
 298         help
 299           This option enables support for a console on the on-chip serial ports
 300           that the MN10300 has available.
 301
 302 #
 303 # /dev/ttySM0
 304 #
 305 config MN10300_TTYSM0
 306         bool "Enable SIF0 (/dev/ttySM0)"
 307         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0
 308         help
 309           Enable access to SIF0 through /dev/ttySM0 or gdb-stub
 310
 311 choice
 312         prompt "Select the timer to supply the clock for SIF0"
 313         default MN10300_TTYSM0_TIMER8
 314         depends on MN10300_TTYSM0
 315
 316 config MN10300_TTYSM0_TIMER8
 317         bool "Use timer 8 (16-bit)"
 318
 319 config MN10300_TTYSM0_TIMER2
 320         bool "Use timer 2 (8-bit)"
 321
 322 endchoice
 323
 324 #
 325 # /dev/ttySM1
 326 #
 327 config MN10300_TTYSM1
 328         bool "Enable SIF1 (/dev/ttySM1)"
 329         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1
 330         help
 331           Enable access to SIF1 through /dev/ttySM1 or gdb-stub
 332
 333 choice
 334         prompt "Select the timer to supply the clock for SIF1"
 335         default MN10300_TTYSM1_TIMER12 \
 336                 if !(AM33_2 || AM33_3)
 337         default MN10300_TTYSM1_TIMER9 \
 338                 if AM33_2 || AM33_3
 339         depends on MN10300_TTYSM1
 340
 341 config MN10300_TTYSM1_TIMER12
 342         bool "Use timer 12 (16-bit)"
 343         depends on !(AM33_2 || AM33_3)
 344
 345 config MN10300_TTYSM1_TIMER9
 346         bool "Use timer 9 (16-bit)"
 347         depends on AM33_2 || AM33_3
 348
 349 config MN10300_TTYSM1_TIMER3
 350         bool "Use timer 3 (8-bit)"
 351         depends on AM33_2 || AM33_3
 352
 353 endchoice
 354
 355 #
 356 # /dev/ttySM2
 357 #
 358 config MN10300_TTYSM2
 359         bool "Enable SIF2 (/dev/ttySM2)"
 360         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2
 361         help
 362           Enable access to SIF2 through /dev/ttySM2 or gdb-stub
 363
 364 choice
 365         prompt "Select the timer to supply the clock for SIF2"
 366         default MN10300_TTYSM2_TIMER3 \
 367                 if !(AM33_2 || AM33_3)
 368         default MN10300_TTYSM2_TIMER10 \
 369                 if AM33_2 || AM33_3
 370         depends on MN10300_TTYSM2
 371
 372 config MN10300_TTYSM2_TIMER9
 373         bool "Use timer 9 (16-bit)"
 374         depends on !(AM33_2 || AM33_3)
 375
 376 config MN10300_TTYSM2_TIMER1
 377         bool "Use timer 1 (8-bit)"
 378         depends on !(AM33_2 || AM33_3)
 379
 380 config MN10300_TTYSM2_TIMER3
 381         bool "Use timer 3 (8-bit)"
 382         depends on !(AM33_2 || AM33_3)
 383
 384 config MN10300_TTYSM2_TIMER10
 385         bool "Use timer 10 (16-bit)"
 386         depends on AM33_2 || AM33_3
 387
 388 endchoice
 389
 390 config MN10300_TTYSM2_CTS
 391         bool "Enable the use of the CTS line /dev/ttySM2"
 392         depends on MN10300_TTYSM2 && AM33_2
 393
 394 endmenu
 395
 396 menu "Interrupt request priority options"
 397
 398 comment "[!] NOTE: A lower number/level indicates a higher priority (0 is highest, 6 is lowest)"
 399
 400 comment "____Non-maskable interrupt levels____"
 401 comment "The following must be set to a higher priority than local_irq_disable() and on-chip serial"
 402
 403 config DEBUGGER_IRQ_LEVEL
 404         int "DEBUGGER interrupt priority"
 405         depends on KERNEL_DEBUGGER
 406         range 0 1 if LINUX_CLI_LEVEL = 2
 407         range 0 2 if LINUX_CLI_LEVEL = 3
 408         range 0 3 if LINUX_CLI_LEVEL = 4
 409         range 0 4 if LINUX_CLI_LEVEL = 5
 410         range 0 5 if LINUX_CLI_LEVEL = 6
 411         default 0
 412
 413 comment "The following must be set to a higher priority than local_irq_disable()"
 414
 415 config MN10300_SERIAL_IRQ_LEVEL
 416         int "MN10300 on-chip serial interrupt priority"
 417         depends on MN10300_TTYSM
 418         range 1 1 if LINUX_CLI_LEVEL = 2
 419         range 1 2 if LINUX_CLI_LEVEL = 3
 420         range 1 3 if LINUX_CLI_LEVEL = 4
 421         range 1 4 if LINUX_CLI_LEVEL = 5
 422         range 1 5 if LINUX_CLI_LEVEL = 6
 423         default 1
 424
 425 comment "-"
 426 comment "____Maskable interrupt levels____"
 427
 428 config LINUX_CLI_LEVEL
 429         int "The highest interrupt priority excluded by local_irq_disable() (2-6)"
 430         range 2 6
 431         default 2
 432         help
 433           local_irq_disable() doesn't actually disable maskable interrupts -
 434           what it does is restrict the levels of interrupt which are permitted
 435           (a lower level indicates a higher priority) by lowering the value in
 436           EPSW.IM from 7.  Any interrupt is permitted for which the level is
 437           lower than EPSW.IM.
 438
 439           Certain interrupts, such as DEBUGGER and virtual MN10300 on-chip
 440           serial DMA interrupts are allowed to interrupt normal disabled
 441           sections.
 442
 443 comment "The following must be set to a equal to or lower priority than LINUX_CLI_LEVEL"
 444
 445 config TIMER_IRQ_LEVEL
 446         int "Kernel timer interrupt priority"
 447         range LINUX_CLI_LEVEL 6
 448         default 4
 449
 450 config PCI_IRQ_LEVEL
 451         int "PCI interrupt priority"
 452         depends on PCI
 453         range LINUX_CLI_LEVEL 6
 454         default 5
 455
 456 config ETHERNET_IRQ_LEVEL
 457         int "Ethernet interrupt priority"
 458         depends on SMC91X || SMC911X || SMSC911X
 459         range LINUX_CLI_LEVEL 6
 460         default 6
 461
 462 config EXT_SERIAL_IRQ_LEVEL
 463         int "External serial port interrupt priority"
 464         depends on SERIAL_8250
 465         range LINUX_CLI_LEVEL 6
 466         default 6
 467
 468 endmenu
 469
 470 source "mm/Kconfig"
 471
 472 menu "Power management options"
 473 source kernel/power/Kconfig
 474 endmenu
 475
 476 endmenu
 477
 478
 479 menu "Executable formats"
 480
 481 source "fs/Kconfig.binfmt"
 482
 483 endmenu
 484
 485 source "net/Kconfig"
 486
 487 source "drivers/Kconfig"
 488
 489 source "fs/Kconfig"
 490
 491 source "arch/mn10300/Kconfig.debug"
 492
 493 source "security/Kconfig"
 494
 495 source "crypto/Kconfig"
 496
 497 source "lib/Kconfig"