arch/mn10300/Kconfig

   1 config MN10300
   2         def_bool y
   3         select HAVE_EXIT_THREAD
   4         select HAVE_OPROFILE
   5         select HAVE_UID16
   6         select GENERIC_IRQ_SHOW
   7         select ARCH_WANT_IPC_PARSE_VERSION
   8         select HAVE_ARCH_TRACEHOOK
   9         select HAVE_ARCH_KGDB
  10         select GENERIC_ATOMIC64
  11         select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
  12         select VIRT_TO_BUS
  13         select GENERIC_CLOCKEVENTS
  14         select MODULES_USE_ELF_RELA
  15         select OLD_SIGSUSPEND3
  16         select OLD_SIGACTION
  17         select HAVE_DEBUG_STACKOVERFLOW
  18         select ARCH_NO_COHERENT_DMA_MMAP
  19
  20 config AM33_2
  21         def_bool n
  22
  23 config AM33_3
  24         def_bool n
  25
  26 config AM34_2
  27         def_bool n
  28         select MN10300_HAS_ATOMIC_OPS_UNIT
  29         select MN10300_HAS_CACHE_SNOOP
  30
  31 config ERRATUM_NEED_TO_RELOAD_MMUCTR
  32         def_bool y if AM33_3 || AM34_2
  33
  34 config MMU
  35         def_bool y
  36
  37 config HIGHMEM
  38         def_bool n
  39
  40 config NUMA
  41         def_bool n
  42
  43 config RWSEM_GENERIC_SPINLOCK
  44         def_bool y
  45
  46 config RWSEM_XCHGADD_ALGORITHM
  47         bool
  48
  49 config GENERIC_CALIBRATE_DELAY
  50         def_bool y
  51
  52 config GENERIC_HWEIGHT
  53         def_bool y
  54
  55 config GENERIC_BUG
  56         def_bool y
  57         depends on BUG
  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         depends on MN10300_PROC_MN2WS0050
 186         ---help---
 187           This enables support for systems with more than one CPU. If you have
 188           a system with only one CPU, say N. If you have a system with more
 189           than one CPU, say Y.
 190
 191           If you say N here, the kernel will run on uni- and multiprocessor
 192           machines, but will use only one CPU of a multiprocessor machine. If
 193           you say Y here, the kernel will run on many, but not all,
 194           uniprocessor machines. On a uniprocessor machine, the kernel
 195           will run faster if you say N here.
 196
 197           See also <file:Documentation/x86/i386/IO-APIC.txt>,
 198           <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
 199           <http://www.tldp.org/docs.html#howto>.
 200
 201           If you don't know what to do here, say N.
 202
 203 config NR_CPUS
 204         int
 205         depends on SMP
 206         default "2"
 207
 208 source "kernel/Kconfig.preempt"
 209
 210 config MN10300_CURRENT_IN_E2
 211         bool "Hold current task address in E2 register"
 212         depends on !SMP
 213         default y
 214         help
 215           This option removes the E2/R2 register from the set available to gcc
 216           for normal use and instead uses it to store the address of the
 217           current process's task_struct whilst in the kernel.
 218
 219           This means the kernel doesn't need to calculate the address each time
 220           "current" is used (take SP, AND with mask and dereference pointer
 221           just to get the address), and instead can just use E2+offset
 222           addressing each time.
 223
 224           This has no effect on userspace.
 225
 226 config MN10300_USING_JTAG
 227         bool "Using JTAG to debug kernel"
 228         default y
 229         help
 230           This options indicates that JTAG will be used to debug the kernel. It
 231           suppresses the use of certain hardware debugging features, such as
 232           single-stepping, which are taken over completely by the JTAG unit.
 233
 234 source "kernel/Kconfig.hz"
 235
 236 config MN10300_RTC
 237         bool "Using MN10300 RTC"
 238         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 239         select RTC_CLASS
 240         select RTC_DRV_CMOS
 241         select RTC_SYSTOHC
 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         select GENERIC_PCI_IOMAP
 259         help
 260           Some systems (such as the ASB2305) have PCI onboard. If you have one
 261           of these boards and you wish to use the PCI facilities, say Y here.
 262
 263           The PCI-HOWTO, available from
 264           <http://www.tldp.org/docs.html#howto>, contains valuable
 265           information about which PCI hardware does work under Linux and which
 266           doesn't.
 267
 268 source "drivers/pci/Kconfig"
 269
 270 source "drivers/pcmcia/Kconfig"
 271
 272 menu "MN10300 internal serial options"
 273
 274 config MN10300_PROC_HAS_TTYSM0
 275         bool
 276         default n
 277
 278 config MN10300_PROC_HAS_TTYSM1
 279         bool
 280         default n
 281
 282 config MN10300_PROC_HAS_TTYSM2
 283         bool
 284         default n
 285
 286 config MN10300_TTYSM
 287         bool "Support for ttySM serial ports"
 288         depends on MN10300
 289         default y
 290         select SERIAL_CORE
 291         help
 292           This option enables support for the on-chip serial ports that the
 293           MN10300 has available.
 294
 295 config MN10300_TTYSM_CONSOLE
 296         bool "Support for console on ttySM serial ports"
 297         depends on MN10300_TTYSM
 298         select SERIAL_CORE_CONSOLE
 299         help
 300           This option enables support for a console on the on-chip serial ports
 301           that the MN10300 has available.
 302
 303 #
 304 # /dev/ttySM0
 305 #
 306 config MN10300_TTYSM0
 307         bool "Enable SIF0 (/dev/ttySM0)"
 308         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0
 309         help
 310           Enable access to SIF0 through /dev/ttySM0 or gdb-stub
 311
 312 choice
 313         prompt "Select the timer to supply the clock for SIF0"
 314         default MN10300_TTYSM0_TIMER8
 315         depends on MN10300_TTYSM0
 316
 317 config MN10300_TTYSM0_TIMER8
 318         bool "Use timer 8 (16-bit)"
 319
 320 config MN10300_TTYSM0_TIMER2
 321         bool "Use timer 2 (8-bit)"
 322
 323 endchoice
 324
 325 #
 326 # /dev/ttySM1
 327 #
 328 config MN10300_TTYSM1
 329         bool "Enable SIF1 (/dev/ttySM1)"
 330         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1
 331         help
 332           Enable access to SIF1 through /dev/ttySM1 or gdb-stub
 333
 334 choice
 335         prompt "Select the timer to supply the clock for SIF1"
 336         default MN10300_TTYSM1_TIMER12 \
 337                 if !(AM33_2 || AM33_3)
 338         default MN10300_TTYSM1_TIMER9 \
 339                 if AM33_2 || AM33_3
 340         depends on MN10300_TTYSM1
 341
 342 config MN10300_TTYSM1_TIMER12
 343         bool "Use timer 12 (16-bit)"
 344         depends on !(AM33_2 || AM33_3)
 345
 346 config MN10300_TTYSM1_TIMER9
 347         bool "Use timer 9 (16-bit)"
 348         depends on AM33_2 || AM33_3
 349
 350 config MN10300_TTYSM1_TIMER3
 351         bool "Use timer 3 (8-bit)"
 352         depends on AM33_2 || AM33_3
 353
 354 endchoice
 355
 356 #
 357 # /dev/ttySM2
 358 #
 359 config MN10300_TTYSM2
 360         bool "Enable SIF2 (/dev/ttySM2)"
 361         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2
 362         help
 363           Enable access to SIF2 through /dev/ttySM2 or gdb-stub
 364
 365 choice
 366         prompt "Select the timer to supply the clock for SIF2"
 367         default MN10300_TTYSM2_TIMER3 \
 368                 if !(AM33_2 || AM33_3)
 369         default MN10300_TTYSM2_TIMER10 \
 370                 if AM33_2 || AM33_3
 371         depends on MN10300_TTYSM2
 372
 373 config MN10300_TTYSM2_TIMER9
 374         bool "Use timer 9 (16-bit)"
 375         depends on !(AM33_2 || AM33_3)
 376
 377 config MN10300_TTYSM2_TIMER1
 378         bool "Use timer 1 (8-bit)"
 379         depends on !(AM33_2 || AM33_3)
 380
 381 config MN10300_TTYSM2_TIMER3
 382         bool "Use timer 3 (8-bit)"
 383         depends on !(AM33_2 || AM33_3)
 384
 385 config MN10300_TTYSM2_TIMER10
 386         bool "Use timer 10 (16-bit)"
 387         depends on AM33_2 || AM33_3
 388
 389 endchoice
 390
 391 config MN10300_TTYSM2_CTS
 392         bool "Enable the use of the CTS line /dev/ttySM2"
 393         depends on MN10300_TTYSM2 && AM33_2
 394
 395 endmenu
 396
 397 menu "Interrupt request priority options"
 398
 399 comment "[!] NOTE: A lower number/level indicates a higher priority (0 is highest, 6 is lowest)"
 400
 401 comment "____Non-maskable interrupt levels____"
 402 comment "The following must be set to a higher priority than local_irq_disable() and on-chip serial"
 403
 404 config DEBUGGER_IRQ_LEVEL
 405         int "DEBUGGER interrupt priority"
 406         depends on KERNEL_DEBUGGER
 407         range 0 1 if LINUX_CLI_LEVEL = 2
 408         range 0 2 if LINUX_CLI_LEVEL = 3
 409         range 0 3 if LINUX_CLI_LEVEL = 4
 410         range 0 4 if LINUX_CLI_LEVEL = 5
 411         range 0 5 if LINUX_CLI_LEVEL = 6
 412         default 0
 413
 414 comment "The following must be set to a higher priority than local_irq_disable()"
 415
 416 config MN10300_SERIAL_IRQ_LEVEL
 417         int "MN10300 on-chip serial interrupt priority"
 418         depends on MN10300_TTYSM
 419         range 1 1 if LINUX_CLI_LEVEL = 2
 420         range 1 2 if LINUX_CLI_LEVEL = 3
 421         range 1 3 if LINUX_CLI_LEVEL = 4
 422         range 1 4 if LINUX_CLI_LEVEL = 5
 423         range 1 5 if LINUX_CLI_LEVEL = 6
 424         default 1
 425
 426 comment "-"
 427 comment "____Maskable interrupt levels____"
 428
 429 config LINUX_CLI_LEVEL
 430         int "The highest interrupt priority excluded by local_irq_disable() (2-6)"
 431         range 2 6
 432         default 2
 433         help
 434           local_irq_disable() doesn't actually disable maskable interrupts -
 435           what it does is restrict the levels of interrupt which are permitted
 436           (a lower level indicates a higher priority) by lowering the value in
 437           EPSW.IM from 7.  Any interrupt is permitted for which the level is
 438           lower than EPSW.IM.
 439
 440           Certain interrupts, such as DEBUGGER and virtual MN10300 on-chip
 441           serial DMA interrupts are allowed to interrupt normal disabled
 442           sections.
 443
 444 comment "The following must be set to a equal to or lower priority than LINUX_CLI_LEVEL"
 445
 446 config TIMER_IRQ_LEVEL
 447         int "Kernel timer interrupt priority"
 448         range LINUX_CLI_LEVEL 6
 449         default 4
 450
 451 config PCI_IRQ_LEVEL
 452         int "PCI interrupt priority"
 453         depends on PCI
 454         range LINUX_CLI_LEVEL 6
 455         default 5
 456
 457 config ETHERNET_IRQ_LEVEL
 458         int "Ethernet interrupt priority"
 459         depends on SMC91X || SMC911X || SMSC911X
 460         range LINUX_CLI_LEVEL 6
 461         default 6
 462
 463 config EXT_SERIAL_IRQ_LEVEL
 464         int "External serial port interrupt priority"
 465         depends on SERIAL_8250
 466         range LINUX_CLI_LEVEL 6
 467         default 6
 468
 469 endmenu
 470
 471 source "mm/Kconfig"
 472
 473 menu "Power management options"
 474 source kernel/power/Kconfig
 475 endmenu
 476
 477 endmenu
 478
 479
 480 menu "Executable formats"
 481
 482 source "fs/Kconfig.binfmt"
 483
 484 endmenu
 485
 486 source "net/Kconfig"
 487
 488 source "drivers/Kconfig"
 489
 490 source "fs/Kconfig"
 491
 492 source "arch/mn10300/Kconfig.debug"
 493
 494 source "security/Kconfig"
 495
 496 source "crypto/Kconfig"
 497
 498 source "lib/Kconfig"