arch/mn10300/Kconfig

   1 config MN10300
   2         def_bool y
   3         select HAVE_OPROFILE
   4         select HAVE_UID16
   5         select GENERIC_IRQ_SHOW
   6         select ARCH_WANT_IPC_PARSE_VERSION
   7         select HAVE_ARCH_TRACEHOOK
   8         select HAVE_ARCH_KGDB
   9         select GENERIC_ATOMIC64
  10         select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
  11         select VIRT_TO_BUS
  12         select GENERIC_CLOCKEVENTS
  13         select MODULES_USE_ELF_RELA
  14         select OLD_SIGSUSPEND3
  15         select OLD_SIGACTION
  16         select HAVE_DEBUG_STACKOVERFLOW
  17         select ARCH_NO_COHERENT_DMA_MMAP
  18
  19 config AM33_2
  20         def_bool n
  21
  22 config AM33_3
  23         def_bool n
  24
  25 config AM34_2
  26         def_bool n
  27         select MN10300_HAS_ATOMIC_OPS_UNIT
  28         select MN10300_HAS_CACHE_SNOOP
  29
  30 config ERRATUM_NEED_TO_RELOAD_MMUCTR
  31         def_bool y if AM33_3 || AM34_2
  32
  33 config MMU
  34         def_bool y
  35
  36 config HIGHMEM
  37         def_bool n
  38
  39 config NUMA
  40         def_bool n
  41
  42 config RWSEM_GENERIC_SPINLOCK
  43         def_bool y
  44
  45 config RWSEM_XCHGADD_ALGORITHM
  46         bool
  47
  48 config GENERIC_CALIBRATE_DELAY
  49         def_bool y
  50
  51 config GENERIC_HWEIGHT
  52         def_bool y
  53
  54 config GENERIC_BUG
  55         def_bool y
  56
  57 config QUICKLIST
  58         def_bool y
  59
  60 config ARCH_HAS_ILOG2_U32
  61         def_bool y
  62
  63 config HOTPLUG_CPU
  64         def_bool n
  65
  66 source "init/Kconfig"
  67
  68 source "kernel/Kconfig.freezer"
  69
  70
  71 menu "Panasonic MN10300 system setup"
  72
  73 choice
  74         prompt "Unit type"
  75         default MN10300_UNIT_ASB2303
  76         help
  77           This option specifies board for which the kernel will be
  78           compiled. It affects the external peripherals catered for.
  79
  80 config MN10300_UNIT_ASB2303
  81         bool "ASB2303"
  82
  83 config MN10300_UNIT_ASB2305
  84         bool "ASB2305"
  85
  86 config MN10300_UNIT_ASB2364
  87         bool "ASB2364"
  88         select SMSC911X_ARCH_HOOKS if SMSC911X
  89
  90 endchoice
  91
  92 choice
  93         prompt "Processor support"
  94         default MN10300_PROC_MN103E010
  95         help
  96           This option specifies the processor for which the kernel will be
  97           compiled. It affects the on-chip peripherals catered for.
  98
  99 config MN10300_PROC_MN103E010
 100         bool "MN103E010"
 101         depends on MN10300_UNIT_ASB2303 || MN10300_UNIT_ASB2305
 102         select AM33_2
 103         select MN10300_PROC_HAS_TTYSM0
 104         select MN10300_PROC_HAS_TTYSM1
 105         select MN10300_PROC_HAS_TTYSM2
 106
 107 config MN10300_PROC_MN2WS0050
 108         bool "MN2WS0050"
 109         depends on MN10300_UNIT_ASB2364
 110         select AM34_2
 111         select MN10300_PROC_HAS_TTYSM0
 112         select MN10300_PROC_HAS_TTYSM1
 113         select MN10300_PROC_HAS_TTYSM2
 114
 115 endchoice
 116
 117 config MN10300_HAS_ATOMIC_OPS_UNIT
 118         def_bool n
 119         help
 120           This should be enabled if the processor has an atomic ops unit
 121           capable of doing LL/SC equivalent operations.
 122
 123 config FPU
 124         bool "FPU present"
 125         default y
 126         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 127
 128 config LAZY_SAVE_FPU
 129         bool "Save FPU state lazily"
 130         default y
 131         depends on FPU && !SMP
 132         help
 133           Enable this to be lazy in the saving of the FPU state to the owning
 134           task's thread struct.  This is useful if most tasks on the system
 135           don't use the FPU as only those tasks that use it will pass it
 136           between them, and the state needn't be saved for a task that isn't
 137           using it.
 138
 139           This can't be so easily used on SMP as the process that owns the FPU
 140           state on a CPU may be currently running on another CPU, so for the
 141           moment, it is disabled.
 142
 143 source "arch/mn10300/mm/Kconfig.cache"
 144
 145 config MN10300_TLB_USE_PIDR
 146         def_bool y
 147
 148 menu "Memory layout options"
 149
 150 config KERNEL_RAM_BASE_ADDRESS
 151         hex "Base address of kernel RAM"
 152         default "0x90000000"
 153
 154 config INTERRUPT_VECTOR_BASE
 155         hex "Base address of vector table"
 156         default "0x90000000"
 157         help
 158           The base address of the vector table will be programmed into
 159           the TBR register. It must be on 16MiB address boundary.
 160
 161 config KERNEL_TEXT_ADDRESS
 162         hex "Base address of kernel"
 163         default "0x90001000"
 164
 165 config KERNEL_ZIMAGE_BASE_ADDRESS
 166         hex "Base address of compressed vmlinux image"
 167         default "0x50700000"
 168
 169 config BOOT_STACK_OFFSET
 170         hex
 171         default "0xF00" if SMP
 172         default "0xFF0" if !SMP
 173
 174 config BOOT_STACK_SIZE
 175         hex
 176         depends on SMP
 177         default "0x100"
 178 endmenu
 179
 180 config SMP
 181         bool "Symmetric multi-processing support"
 182         default y
 183         depends on MN10300_PROC_MN2WS0050
 184         ---help---
 185           This enables support for systems with more than one CPU. If you have
 186           a system with only one CPU, say N. If you have a system with more
 187           than one CPU, say Y.
 188
 189           If you say N here, the kernel will run on uni- and multiprocessor
 190           machines, but will use only one CPU of a multiprocessor machine. If
 191           you say Y here, the kernel will run on many, but not all,
 192           uniprocessor machines. On a uniprocessor machine, the kernel
 193           will run faster if you say N here.
 194
 195           See also <file:Documentation/x86/i386/IO-APIC.txt>,
 196           <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
 197           <http://www.tldp.org/docs.html#howto>.
 198
 199           If you don't know what to do here, say N.
 200
 201 config NR_CPUS
 202         int
 203         depends on SMP
 204         default "2"
 205
 206 source "kernel/Kconfig.preempt"
 207
 208 config MN10300_CURRENT_IN_E2
 209         bool "Hold current task address in E2 register"
 210         depends on !SMP
 211         default y
 212         help
 213           This option removes the E2/R2 register from the set available to gcc
 214           for normal use and instead uses it to store the address of the
 215           current process's task_struct whilst in the kernel.
 216
 217           This means the kernel doesn't need to calculate the address each time
 218           "current" is used (take SP, AND with mask and dereference pointer
 219           just to get the address), and instead can just use E2+offset
 220           addressing each time.
 221
 222           This has no effect on userspace.
 223
 224 config MN10300_USING_JTAG
 225         bool "Using JTAG to debug kernel"
 226         default y
 227         help
 228           This options indicates that JTAG will be used to debug the kernel. It
 229           suppresses the use of certain hardware debugging features, such as
 230           single-stepping, which are taken over completely by the JTAG unit.
 231
 232 source "kernel/Kconfig.hz"
 233
 234 config MN10300_RTC
 235         bool "Using MN10300 RTC"
 236         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 237         select GENERIC_CMOS_UPDATE
 238         default n
 239         help
 240           This option enables support for the RTC, thus enabling time to be
 241           tracked, even when system is powered down. This is available on-chip
 242           on the MN103E010.
 243
 244 config MN10300_WD_TIMER
 245         bool "Using MN10300 watchdog timer"
 246         default y
 247         help
 248           This options indicates that the watchdog timer will be used.
 249
 250 config PCI
 251         bool "Use PCI"
 252         depends on MN10300_UNIT_ASB2305
 253         default y
 254         select GENERIC_PCI_IOMAP
 255         help
 256           Some systems (such as the ASB2305) have PCI onboard. If you have one
 257           of these boards and you wish to use the PCI facilities, say Y here.
 258
 259           The PCI-HOWTO, available from
 260           <http://www.tldp.org/docs.html#howto>, contains valuable
 261           information about which PCI hardware does work under Linux and which
 262           doesn't.
 263
 264 source "drivers/pci/Kconfig"
 265
 266 source "drivers/pcmcia/Kconfig"
 267
 268 menu "MN10300 internal serial options"
 269
 270 config MN10300_PROC_HAS_TTYSM0
 271         bool
 272         default n
 273
 274 config MN10300_PROC_HAS_TTYSM1
 275         bool
 276         default n
 277
 278 config MN10300_PROC_HAS_TTYSM2
 279         bool
 280         default n
 281
 282 config MN10300_TTYSM
 283         bool "Support for ttySM serial ports"
 284         depends on MN10300
 285         default y
 286         select SERIAL_CORE
 287         help
 288           This option enables support for the on-chip serial ports that the
 289           MN10300 has available.
 290
 291 config MN10300_TTYSM_CONSOLE
 292         bool "Support for console on ttySM serial ports"
 293         depends on MN10300_TTYSM
 294         select SERIAL_CORE_CONSOLE
 295         help
 296           This option enables support for a console on the on-chip serial ports
 297           that the MN10300 has available.
 298
 299 #
 300 # /dev/ttySM0
 301 #
 302 config MN10300_TTYSM0
 303         bool "Enable SIF0 (/dev/ttySM0)"
 304         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0
 305         help
 306           Enable access to SIF0 through /dev/ttySM0 or gdb-stub
 307
 308 choice
 309         prompt "Select the timer to supply the clock for SIF0"
 310         default MN10300_TTYSM0_TIMER8
 311         depends on MN10300_TTYSM0
 312
 313 config MN10300_TTYSM0_TIMER8
 314         bool "Use timer 8 (16-bit)"
 315
 316 config MN10300_TTYSM0_TIMER2
 317         bool "Use timer 2 (8-bit)"
 318
 319 endchoice
 320
 321 #
 322 # /dev/ttySM1
 323 #
 324 config MN10300_TTYSM1
 325         bool "Enable SIF1 (/dev/ttySM1)"
 326         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1
 327         help
 328           Enable access to SIF1 through /dev/ttySM1 or gdb-stub
 329
 330 choice
 331         prompt "Select the timer to supply the clock for SIF1"
 332         default MN10300_TTYSM1_TIMER12 \
 333                 if !(AM33_2 || AM33_3)
 334         default MN10300_TTYSM1_TIMER9 \
 335                 if AM33_2 || AM33_3
 336         depends on MN10300_TTYSM1
 337
 338 config MN10300_TTYSM1_TIMER12
 339         bool "Use timer 12 (16-bit)"
 340         depends on !(AM33_2 || AM33_3)
 341
 342 config MN10300_TTYSM1_TIMER9
 343         bool "Use timer 9 (16-bit)"
 344         depends on AM33_2 || AM33_3
 345
 346 config MN10300_TTYSM1_TIMER3
 347         bool "Use timer 3 (8-bit)"
 348         depends on AM33_2 || AM33_3
 349
 350 endchoice
 351
 352 #
 353 # /dev/ttySM2
 354 #
 355 config MN10300_TTYSM2
 356         bool "Enable SIF2 (/dev/ttySM2)"
 357         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2
 358         help
 359           Enable access to SIF2 through /dev/ttySM2 or gdb-stub
 360
 361 choice
 362         prompt "Select the timer to supply the clock for SIF2"
 363         default MN10300_TTYSM2_TIMER3 \
 364                 if !(AM33_2 || AM33_3)
 365         default MN10300_TTYSM2_TIMER10 \
 366                 if AM33_2 || AM33_3
 367         depends on MN10300_TTYSM2
 368
 369 config MN10300_TTYSM2_TIMER9
 370         bool "Use timer 9 (16-bit)"
 371         depends on !(AM33_2 || AM33_3)
 372
 373 config MN10300_TTYSM2_TIMER1
 374         bool "Use timer 1 (8-bit)"
 375         depends on !(AM33_2 || AM33_3)
 376
 377 config MN10300_TTYSM2_TIMER3
 378         bool "Use timer 3 (8-bit)"
 379         depends on !(AM33_2 || AM33_3)
 380
 381 config MN10300_TTYSM2_TIMER10
 382         bool "Use timer 10 (16-bit)"
 383         depends on AM33_2 || AM33_3
 384
 385 endchoice
 386
 387 config MN10300_TTYSM2_CTS
 388         bool "Enable the use of the CTS line /dev/ttySM2"
 389         depends on MN10300_TTYSM2 && AM33_2
 390
 391 endmenu
 392
 393 menu "Interrupt request priority options"
 394
 395 comment "[!] NOTE: A lower number/level indicates a higher priority (0 is highest, 6 is lowest)"
 396
 397 comment "____Non-maskable interrupt levels____"
 398 comment "The following must be set to a higher priority than local_irq_disable() and on-chip serial"
 399
 400 config DEBUGGER_IRQ_LEVEL
 401         int "DEBUGGER interrupt priority"
 402         depends on KERNEL_DEBUGGER
 403         range 0 1 if LINUX_CLI_LEVEL = 2
 404         range 0 2 if LINUX_CLI_LEVEL = 3
 405         range 0 3 if LINUX_CLI_LEVEL = 4
 406         range 0 4 if LINUX_CLI_LEVEL = 5
 407         range 0 5 if LINUX_CLI_LEVEL = 6
 408         default 0
 409
 410 comment "The following must be set to a higher priority than local_irq_disable()"
 411
 412 config MN10300_SERIAL_IRQ_LEVEL
 413         int "MN10300 on-chip serial interrupt priority"
 414         depends on MN10300_TTYSM
 415         range 1 1 if LINUX_CLI_LEVEL = 2
 416         range 1 2 if LINUX_CLI_LEVEL = 3
 417         range 1 3 if LINUX_CLI_LEVEL = 4
 418         range 1 4 if LINUX_CLI_LEVEL = 5
 419         range 1 5 if LINUX_CLI_LEVEL = 6
 420         default 1
 421
 422 comment "-"
 423 comment "____Maskable interrupt levels____"
 424
 425 config LINUX_CLI_LEVEL
 426         int "The highest interrupt priority excluded by local_irq_disable() (2-6)"
 427         range 2 6
 428         default 2
 429         help
 430           local_irq_disable() doesn't actually disable maskable interrupts -
 431           what it does is restrict the levels of interrupt which are permitted
 432           (a lower level indicates a higher priority) by lowering the value in
 433           EPSW.IM from 7.  Any interrupt is permitted for which the level is
 434           lower than EPSW.IM.
 435
 436           Certain interrupts, such as DEBUGGER and virtual MN10300 on-chip
 437           serial DMA interrupts are allowed to interrupt normal disabled
 438           sections.
 439
 440 comment "The following must be set to a equal to or lower priority than LINUX_CLI_LEVEL"
 441
 442 config TIMER_IRQ_LEVEL
 443         int "Kernel timer interrupt priority"
 444         range LINUX_CLI_LEVEL 6
 445         default 4
 446
 447 config PCI_IRQ_LEVEL
 448         int "PCI interrupt priority"
 449         depends on PCI
 450         range LINUX_CLI_LEVEL 6
 451         default 5
 452
 453 config ETHERNET_IRQ_LEVEL
 454         int "Ethernet interrupt priority"
 455         depends on SMC91X || SMC911X || SMSC911X
 456         range LINUX_CLI_LEVEL 6
 457         default 6
 458
 459 config EXT_SERIAL_IRQ_LEVEL
 460         int "External serial port interrupt priority"
 461         depends on SERIAL_8250
 462         range LINUX_CLI_LEVEL 6
 463         default 6
 464
 465 endmenu
 466
 467 source "mm/Kconfig"
 468
 469 menu "Power management options"
 470 source kernel/power/Kconfig
 471 endmenu
 472
 473 endmenu
 474
 475
 476 menu "Executable formats"
 477
 478 source "fs/Kconfig.binfmt"
 479
 480 endmenu
 481
 482 source "net/Kconfig"
 483
 484 source "drivers/Kconfig"
 485
 486 source "fs/Kconfig"
 487
 488 source "arch/mn10300/Kconfig.debug"
 489
 490 source "security/Kconfig"
 491
 492 source "crypto/Kconfig"
 493
 494 source "lib/Kconfig"