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