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Linux/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_MN2WS0038 || 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"

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