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Linux/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"

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