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