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