arch/mn10300/Kconfig

   1 config MN10300
   2         def_bool y
   3         select HAVE_OPROFILE
   4         select GENERIC_IRQ_SHOW
   5         select ARCH_WANT_IPC_PARSE_VERSION
   6         select HAVE_ARCH_TRACEHOOK
   7         select HAVE_ARCH_KGDB
   8         select GENERIC_ATOMIC64
   9         select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
  10         select VIRT_TO_BUS
  11         select GENERIC_CLOCKEVENTS
  12         select MODULES_USE_ELF_RELA
  13         select OLD_SIGSUSPEND3
  14         select OLD_SIGACTION
  15         select HAVE_DEBUG_STACKOVERFLOW
  16
  17 config AM33_2
  18         def_bool n
  19
  20 config AM33_3
  21         def_bool n
  22
  23 config AM34_2
  24         def_bool n
  25         select MN10300_HAS_ATOMIC_OPS_UNIT
  26         select MN10300_HAS_CACHE_SNOOP
  27
  28 config ERRATUM_NEED_TO_RELOAD_MMUCTR
  29         def_bool y if AM33_3 || AM34_2
  30
  31 config MMU
  32         def_bool y
  33
  34 config HIGHMEM
  35         def_bool n
  36
  37 config NUMA
  38         def_bool n
  39
  40 config UID16
  41         def_bool y
  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
  58 config QUICKLIST
  59         def_bool y
  60
  61 config ARCH_HAS_ILOG2_U32
  62         def_bool y
  63
  64 config HOTPLUG_CPU
  65         def_bool n
  66
  67 source "init/Kconfig"
  68
  69 source "kernel/Kconfig.freezer"
  70
  71
  72 menu "Panasonic MN10300 system setup"
  73
  74 choice
  75         prompt "Unit type"
  76         default MN10300_UNIT_ASB2303
  77         help
  78           This option specifies board for which the kernel will be
  79           compiled. It affects the external peripherals catered for.
  80
  81 config MN10300_UNIT_ASB2303
  82         bool "ASB2303"
  83
  84 config MN10300_UNIT_ASB2305
  85         bool "ASB2305"
  86
  87 config MN10300_UNIT_ASB2364
  88         bool "ASB2364"
  89         select SMSC911X_ARCH_HOOKS if SMSC911X
  90
  91 endchoice
  92
  93 choice
  94         prompt "Processor support"
  95         default MN10300_PROC_MN103E010
  96         help
  97           This option specifies the processor for which the kernel will be
  98           compiled. It affects the on-chip peripherals catered for.
  99
 100 config MN10300_PROC_MN103E010
 101         bool "MN103E010"
 102         depends on MN10300_UNIT_ASB2303 || MN10300_UNIT_ASB2305
 103         select AM33_2
 104         select MN10300_PROC_HAS_TTYSM0
 105         select MN10300_PROC_HAS_TTYSM1
 106         select MN10300_PROC_HAS_TTYSM2
 107
 108 config MN10300_PROC_MN2WS0050
 109         bool "MN2WS0050"
 110         depends on MN10300_UNIT_ASB2364
 111         select AM34_2
 112         select MN10300_PROC_HAS_TTYSM0
 113         select MN10300_PROC_HAS_TTYSM1
 114         select MN10300_PROC_HAS_TTYSM2
 115
 116 endchoice
 117
 118 config MN10300_HAS_ATOMIC_OPS_UNIT
 119         def_bool n
 120         help
 121           This should be enabled if the processor has an atomic ops unit
 122           capable of doing LL/SC equivalent operations.
 123
 124 config FPU
 125         bool "FPU present"
 126         default y
 127         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 128
 129 config LAZY_SAVE_FPU
 130         bool "Save FPU state lazily"
 131         default y
 132         depends on FPU && !SMP
 133         help
 134           Enable this to be lazy in the saving of the FPU state to the owning
 135           task's thread struct.  This is useful if most tasks on the system
 136           don't use the FPU as only those tasks that use it will pass it
 137           between them, and the state needn't be saved for a task that isn't
 138           using it.
 139
 140           This can't be so easily used on SMP as the process that owns the FPU
 141           state on a CPU may be currently running on another CPU, so for the
 142           moment, it is disabled.
 143
 144 source "arch/mn10300/mm/Kconfig.cache"
 145
 146 config MN10300_TLB_USE_PIDR
 147         def_bool y
 148
 149 menu "Memory layout options"
 150
 151 config KERNEL_RAM_BASE_ADDRESS
 152         hex "Base address of kernel RAM"
 153         default "0x90000000"
 154
 155 config INTERRUPT_VECTOR_BASE
 156         hex "Base address of vector table"
 157         default "0x90000000"
 158         help
 159           The base address of the vector table will be programmed into
 160           the TBR register. It must be on 16MiB address boundary.
 161
 162 config KERNEL_TEXT_ADDRESS
 163         hex "Base address of kernel"
 164         default "0x90001000"
 165
 166 config KERNEL_ZIMAGE_BASE_ADDRESS
 167         hex "Base address of compressed vmlinux image"
 168         default "0x50700000"
 169
 170 config BOOT_STACK_OFFSET
 171         hex
 172         default "0xF00" if SMP
 173         default "0xFF0" if !SMP
 174
 175 config BOOT_STACK_SIZE
 176         hex
 177         depends on SMP
 178         default "0x100"
 179 endmenu
 180
 181 config SMP
 182         bool "Symmetric multi-processing support"
 183         default y
 184         depends on MN10300_PROC_MN2WS0050
 185         ---help---
 186           This enables support for systems with more than one CPU. If you have
 187           a system with only one CPU, say N. If you have a system with more
 188           than one CPU, say Y.
 189
 190           If you say N here, the kernel will run on uni- and multiprocessor
 191           machines, but will use only one CPU of a multiprocessor machine. If
 192           you say Y here, the kernel will run on many, but not all,
 193           uniprocessor machines. On a uniprocessor machine, the kernel
 194           will run faster if you say N here.
 195
 196           See also <file:Documentation/x86/i386/IO-APIC.txt>,
 197           <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
 198           <http://www.tldp.org/docs.html#howto>.
 199
 200           If you don't know what to do here, say N.
 201
 202 config NR_CPUS
 203         int
 204         depends on SMP
 205         default "2"
 206
 207 source "kernel/Kconfig.preempt"
 208
 209 config MN10300_CURRENT_IN_E2
 210         bool "Hold current task address in E2 register"
 211         depends on !SMP
 212         default y
 213         help
 214           This option removes the E2/R2 register from the set available to gcc
 215           for normal use and instead uses it to store the address of the
 216           current process's task_struct whilst in the kernel.
 217
 218           This means the kernel doesn't need to calculate the address each time
 219           "current" is used (take SP, AND with mask and dereference pointer
 220           just to get the address), and instead can just use E2+offset
 221           addressing each time.
 222
 223           This has no effect on userspace.
 224
 225 config MN10300_USING_JTAG
 226         bool "Using JTAG to debug kernel"
 227         default y
 228         help
 229           This options indicates that JTAG will be used to debug the kernel. It
 230           suppresses the use of certain hardware debugging features, such as
 231           single-stepping, which are taken over completely by the JTAG unit.
 232
 233 source "kernel/Kconfig.hz"
 234
 235 config MN10300_RTC
 236         bool "Using MN10300 RTC"
 237         depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
 238         select GENERIC_CMOS_UPDATE
 239         default n
 240         help
 241           This option enables support for the RTC, thus enabling time to be
 242           tracked, even when system is powered down. This is available on-chip
 243           on the MN103E010.
 244
 245 config MN10300_WD_TIMER
 246         bool "Using MN10300 watchdog timer"
 247         default y
 248         help
 249           This options indicates that the watchdog timer will be used.
 250
 251 config PCI
 252         bool "Use PCI"
 253         depends on MN10300_UNIT_ASB2305
 254         default y
 255         select GENERIC_PCI_IOMAP
 256         help
 257           Some systems (such as the ASB2305) have PCI onboard. If you have one
 258           of these boards and you wish to use the PCI facilities, say Y here.
 259
 260           The PCI-HOWTO, available from
 261           <http://www.tldp.org/docs.html#howto>, contains valuable
 262           information about which PCI hardware does work under Linux and which
 263           doesn't.
 264
 265 source "drivers/pci/Kconfig"
 266
 267 source "drivers/pcmcia/Kconfig"
 268
 269 menu "MN10300 internal serial options"
 270
 271 config MN10300_PROC_HAS_TTYSM0
 272         bool
 273         default n
 274
 275 config MN10300_PROC_HAS_TTYSM1
 276         bool
 277         default n
 278
 279 config MN10300_PROC_HAS_TTYSM2
 280         bool
 281         default n
 282
 283 config MN10300_TTYSM
 284         bool "Support for ttySM serial ports"
 285         depends on MN10300
 286         default y
 287         select SERIAL_CORE
 288         help
 289           This option enables support for the on-chip serial ports that the
 290           MN10300 has available.
 291
 292 config MN10300_TTYSM_CONSOLE
 293         bool "Support for console on ttySM serial ports"
 294         depends on MN10300_TTYSM
 295         select SERIAL_CORE_CONSOLE
 296         help
 297           This option enables support for a console on the on-chip serial ports
 298           that the MN10300 has available.
 299
 300 #
 301 # /dev/ttySM0
 302 #
 303 config MN10300_TTYSM0
 304         bool "Enable SIF0 (/dev/ttySM0)"
 305         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0
 306         help
 307           Enable access to SIF0 through /dev/ttySM0 or gdb-stub
 308
 309 choice
 310         prompt "Select the timer to supply the clock for SIF0"
 311         default MN10300_TTYSM0_TIMER8
 312         depends on MN10300_TTYSM0
 313
 314 config MN10300_TTYSM0_TIMER8
 315         bool "Use timer 8 (16-bit)"
 316
 317 config MN10300_TTYSM0_TIMER2
 318         bool "Use timer 2 (8-bit)"
 319
 320 endchoice
 321
 322 #
 323 # /dev/ttySM1
 324 #
 325 config MN10300_TTYSM1
 326         bool "Enable SIF1 (/dev/ttySM1)"
 327         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1
 328         help
 329           Enable access to SIF1 through /dev/ttySM1 or gdb-stub
 330
 331 choice
 332         prompt "Select the timer to supply the clock for SIF1"
 333         default MN10300_TTYSM1_TIMER12 \
 334                 if !(AM33_2 || AM33_3)
 335         default MN10300_TTYSM1_TIMER9 \
 336                 if AM33_2 || AM33_3
 337         depends on MN10300_TTYSM1
 338
 339 config MN10300_TTYSM1_TIMER12
 340         bool "Use timer 12 (16-bit)"
 341         depends on !(AM33_2 || AM33_3)
 342
 343 config MN10300_TTYSM1_TIMER9
 344         bool "Use timer 9 (16-bit)"
 345         depends on AM33_2 || AM33_3
 346
 347 config MN10300_TTYSM1_TIMER3
 348         bool "Use timer 3 (8-bit)"
 349         depends on AM33_2 || AM33_3
 350
 351 endchoice
 352
 353 #
 354 # /dev/ttySM2
 355 #
 356 config MN10300_TTYSM2
 357         bool "Enable SIF2 (/dev/ttySM2)"
 358         depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2
 359         help
 360           Enable access to SIF2 through /dev/ttySM2 or gdb-stub
 361
 362 choice
 363         prompt "Select the timer to supply the clock for SIF2"
 364         default MN10300_TTYSM2_TIMER3 \
 365                 if !(AM33_2 || AM33_3)
 366         default MN10300_TTYSM2_TIMER10 \
 367                 if AM33_2 || AM33_3
 368         depends on MN10300_TTYSM2
 369
 370 config MN10300_TTYSM2_TIMER9
 371         bool "Use timer 9 (16-bit)"
 372         depends on !(AM33_2 || AM33_3)
 373
 374 config MN10300_TTYSM2_TIMER1
 375         bool "Use timer 1 (8-bit)"
 376         depends on !(AM33_2 || AM33_3)
 377
 378 config MN10300_TTYSM2_TIMER3
 379         bool "Use timer 3 (8-bit)"
 380         depends on !(AM33_2 || AM33_3)
 381
 382 config MN10300_TTYSM2_TIMER10
 383         bool "Use timer 10 (16-bit)"
 384         depends on AM33_2 || AM33_3
 385
 386 endchoice
 387
 388 config MN10300_TTYSM2_CTS
 389         bool "Enable the use of the CTS line /dev/ttySM2"
 390         depends on MN10300_TTYSM2 && AM33_2
 391
 392 endmenu
 393
 394 menu "Interrupt request priority options"
 395
 396 comment "[!] NOTE: A lower number/level indicates a higher priority (0 is highest, 6 is lowest)"
 397
 398 comment "____Non-maskable interrupt levels____"
 399 comment "The following must be set to a higher priority than local_irq_disable() and on-chip serial"
 400
 401 config DEBUGGER_IRQ_LEVEL
 402         int "DEBUGGER interrupt priority"
 403         depends on KERNEL_DEBUGGER
 404         range 0 1 if LINUX_CLI_LEVEL = 2
 405         range 0 2 if LINUX_CLI_LEVEL = 3
 406         range 0 3 if LINUX_CLI_LEVEL = 4
 407         range 0 4 if LINUX_CLI_LEVEL = 5
 408         range 0 5 if LINUX_CLI_LEVEL = 6
 409         default 0
 410
 411 comment "The following must be set to a higher priority than local_irq_disable()"
 412
 413 config MN10300_SERIAL_IRQ_LEVEL
 414         int "MN10300 on-chip serial interrupt priority"
 415         depends on MN10300_TTYSM
 416         range 1 1 if LINUX_CLI_LEVEL = 2
 417         range 1 2 if LINUX_CLI_LEVEL = 3
 418         range 1 3 if LINUX_CLI_LEVEL = 4
 419         range 1 4 if LINUX_CLI_LEVEL = 5
 420         range 1 5 if LINUX_CLI_LEVEL = 6
 421         default 1
 422
 423 comment "-"
 424 comment "____Maskable interrupt levels____"
 425
 426 config LINUX_CLI_LEVEL
 427         int "The highest interrupt priority excluded by local_irq_disable() (2-6)"
 428         range 2 6
 429         default 2
 430         help
 431           local_irq_disable() doesn't actually disable maskable interrupts -
 432           what it does is restrict the levels of interrupt which are permitted
 433           (a lower level indicates a higher priority) by lowering the value in
 434           EPSW.IM from 7.  Any interrupt is permitted for which the level is
 435           lower than EPSW.IM.
 436
 437           Certain interrupts, such as DEBUGGER and virtual MN10300 on-chip
 438           serial DMA interrupts are allowed to interrupt normal disabled
 439           sections.
 440
 441 comment "The following must be set to a equal to or lower priority than LINUX_CLI_LEVEL"
 442
 443 config TIMER_IRQ_LEVEL
 444         int "Kernel timer interrupt priority"
 445         range LINUX_CLI_LEVEL 6
 446         default 4
 447
 448 config PCI_IRQ_LEVEL
 449         int "PCI interrupt priority"
 450         depends on PCI
 451         range LINUX_CLI_LEVEL 6
 452         default 5
 453
 454 config ETHERNET_IRQ_LEVEL
 455         int "Ethernet interrupt priority"
 456         depends on SMC91X || SMC911X || SMSC911X
 457         range LINUX_CLI_LEVEL 6
 458         default 6
 459
 460 config EXT_SERIAL_IRQ_LEVEL
 461         int "External serial port interrupt priority"
 462         depends on SERIAL_8250
 463         range LINUX_CLI_LEVEL 6
 464         default 6
 465
 466 endmenu
 467
 468 source "mm/Kconfig"
 469
 470 menu "Power management options"
 471 source kernel/power/Kconfig
 472 endmenu
 473
 474 endmenu
 475
 476
 477 menu "Executable formats"
 478
 479 source "fs/Kconfig.binfmt"
 480
 481 endmenu
 482
 483 source "net/Kconfig"
 484
 485 source "drivers/Kconfig"
 486
 487 source "fs/Kconfig"
 488
 489 source "arch/mn10300/Kconfig.debug"
 490
 491 source "security/Kconfig"
 492
 493 source "crypto/Kconfig"
 494
 495 source "lib/Kconfig"