4 select HAVE_GENERIC_HARDIRQS
5 select GENERIC_IRQ_SHOW
6 select HAVE_ARCH_TRACEHOOK
8 select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
9 select GENERIC_CLOCKEVENTS
19 select MN10300_HAS_ATOMIC_OPS_UNIT
20 select MN10300_HAS_CACHE_SNOOP
22 config ERRATUM_NEED_TO_RELOAD_MMUCTR
23 def_bool y if AM33_3 || AM34_2
37 config RWSEM_GENERIC_SPINLOCK
40 config RWSEM_XCHGADD_ALGORITHM
43 config GENERIC_CALIBRATE_DELAY
46 config GENERIC_HWEIGHT
55 config ARCH_HAS_ILOG2_U32
63 source "kernel/Kconfig.freezer"
66 menu "Panasonic MN10300 system setup"
70 default MN10300_UNIT_ASB2303
72 This option specifies board for which the kernel will be
73 compiled. It affects the external peripherals catered for.
75 config MN10300_UNIT_ASB2303
78 config MN10300_UNIT_ASB2305
81 config MN10300_UNIT_ASB2364
83 select SMSC911X_ARCH_HOOKS if SMSC911X
88 prompt "Processor support"
89 default MN10300_PROC_MN103E010
91 This option specifies the processor for which the kernel will be
92 compiled. It affects the on-chip peripherals catered for.
94 config MN10300_PROC_MN103E010
96 depends on MN10300_UNIT_ASB2303 || MN10300_UNIT_ASB2305
98 select MN10300_PROC_HAS_TTYSM0
99 select MN10300_PROC_HAS_TTYSM1
100 select MN10300_PROC_HAS_TTYSM2
102 config MN10300_PROC_MN2WS0050
104 depends on MN10300_UNIT_ASB2364
106 select MN10300_PROC_HAS_TTYSM0
107 select MN10300_PROC_HAS_TTYSM1
108 select MN10300_PROC_HAS_TTYSM2
112 config MN10300_HAS_ATOMIC_OPS_UNIT
115 This should be enabled if the processor has an atomic ops unit
116 capable of doing LL/SC equivalent operations.
121 depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
124 bool "Save FPU state lazily"
126 depends on FPU && !SMP
128 Enable this to be lazy in the saving of the FPU state to the owning
129 task's thread struct. This is useful if most tasks on the system
130 don't use the FPU as only those tasks that use it will pass it
131 between them, and the state needn't be saved for a task that isn't
134 This can't be so easily used on SMP as the process that owns the FPU
135 state on a CPU may be currently running on another CPU, so for the
136 moment, it is disabled.
138 source "arch/mn10300/mm/Kconfig.cache"
140 config MN10300_TLB_USE_PIDR
143 menu "Memory layout options"
145 config KERNEL_RAM_BASE_ADDRESS
146 hex "Base address of kernel RAM"
149 config INTERRUPT_VECTOR_BASE
150 hex "Base address of vector table"
153 The base address of the vector table will be programmed into
154 the TBR register. It must be on 16MiB address boundary.
156 config KERNEL_TEXT_ADDRESS
157 hex "Base address of kernel"
160 config KERNEL_ZIMAGE_BASE_ADDRESS
161 hex "Base address of compressed vmlinux image"
164 config BOOT_STACK_OFFSET
166 default "0xF00" if SMP
167 default "0xFF0" if !SMP
169 config BOOT_STACK_SIZE
176 bool "Symmetric multi-processing support"
178 select USE_GENERIC_SMP_HELPERS
179 depends on MN10300_PROC_MN2WS0038 || MN10300_PROC_MN2WS0050
181 This enables support for systems with more than one CPU. If you have
182 a system with only one CPU, like most personal computers, say N. If
183 you have a system with more than one CPU, say Y.
185 If you say N here, the kernel will run on single and multiprocessor
186 machines, but will use only one CPU of a multiprocessor machine. If
187 you say Y here, the kernel will run on many, but not all,
188 singleprocessor machines. On a singleprocessor machine, the kernel
189 will run faster if you say N here.
191 See also <file:Documentation/x86/i386/IO-APIC.txt>,
192 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
193 <http://www.tldp.org/docs.html#howto>.
195 If you don't know what to do here, say N.
202 source "kernel/Kconfig.preempt"
204 config MN10300_CURRENT_IN_E2
205 bool "Hold current task address in E2 register"
209 This option removes the E2/R2 register from the set available to gcc
210 for normal use and instead uses it to store the address of the
211 current process's task_struct whilst in the kernel.
213 This means the kernel doesn't need to calculate the address each time
214 "current" is used (take SP, AND with mask and dereference pointer
215 just to get the address), and instead can just use E2+offset
216 addressing each time.
218 This has no effect on userspace.
220 config MN10300_USING_JTAG
221 bool "Using JTAG to debug kernel"
224 This options indicates that JTAG will be used to debug the kernel. It
225 suppresses the use of certain hardware debugging features, such as
226 single-stepping, which are taken over completely by the JTAG unit.
228 source "kernel/Kconfig.hz"
231 bool "Using MN10300 RTC"
232 depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
233 select GENERIC_CMOS_UPDATE
236 This option enables support for the RTC, thus enabling time to be
237 tracked, even when system is powered down. This is available on-chip
240 config MN10300_WD_TIMER
241 bool "Using MN10300 watchdog timer"
244 This options indicates that the watchdog timer will be used.
248 depends on MN10300_UNIT_ASB2305
250 select GENERIC_PCI_IOMAP
252 Some systems (such as the ASB2305) have PCI onboard. If you have one
253 of these boards and you wish to use the PCI facilities, say Y here.
255 The PCI-HOWTO, available from
256 <http://www.tldp.org/docs.html#howto>, contains valuable
257 information about which PCI hardware does work under Linux and which
260 source "drivers/pci/Kconfig"
262 source "drivers/pcmcia/Kconfig"
264 menu "MN10300 internal serial options"
266 config MN10300_PROC_HAS_TTYSM0
270 config MN10300_PROC_HAS_TTYSM1
274 config MN10300_PROC_HAS_TTYSM2
279 bool "Support for ttySM serial ports"
284 This option enables support for the on-chip serial ports that the
285 MN10300 has available.
287 config MN10300_TTYSM_CONSOLE
288 bool "Support for console on ttySM serial ports"
289 depends on MN10300_TTYSM
290 select SERIAL_CORE_CONSOLE
292 This option enables support for a console on the on-chip serial ports
293 that the MN10300 has available.
298 config MN10300_TTYSM0
299 bool "Enable SIF0 (/dev/ttySM0)"
300 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0
302 Enable access to SIF0 through /dev/ttySM0 or gdb-stub
305 prompt "Select the timer to supply the clock for SIF0"
306 default MN10300_TTYSM0_TIMER8
307 depends on MN10300_TTYSM0
309 config MN10300_TTYSM0_TIMER8
310 bool "Use timer 8 (16-bit)"
312 config MN10300_TTYSM0_TIMER2
313 bool "Use timer 2 (8-bit)"
320 config MN10300_TTYSM1
321 bool "Enable SIF1 (/dev/ttySM1)"
322 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1
324 Enable access to SIF1 through /dev/ttySM1 or gdb-stub
327 prompt "Select the timer to supply the clock for SIF1"
328 default MN10300_TTYSM1_TIMER12 \
329 if !(AM33_2 || AM33_3)
330 default MN10300_TTYSM1_TIMER9 \
332 depends on MN10300_TTYSM1
334 config MN10300_TTYSM1_TIMER12
335 bool "Use timer 12 (16-bit)"
336 depends on !(AM33_2 || AM33_3)
338 config MN10300_TTYSM1_TIMER9
339 bool "Use timer 9 (16-bit)"
340 depends on AM33_2 || AM33_3
342 config MN10300_TTYSM1_TIMER3
343 bool "Use timer 3 (8-bit)"
344 depends on AM33_2 || AM33_3
351 config MN10300_TTYSM2
352 bool "Enable SIF2 (/dev/ttySM2)"
353 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2
355 Enable access to SIF2 through /dev/ttySM2 or gdb-stub
358 prompt "Select the timer to supply the clock for SIF2"
359 default MN10300_TTYSM2_TIMER3 \
360 if !(AM33_2 || AM33_3)
361 default MN10300_TTYSM2_TIMER10 \
363 depends on MN10300_TTYSM2
365 config MN10300_TTYSM2_TIMER9
366 bool "Use timer 9 (16-bit)"
367 depends on !(AM33_2 || AM33_3)
369 config MN10300_TTYSM2_TIMER1
370 bool "Use timer 1 (8-bit)"
371 depends on !(AM33_2 || AM33_3)
373 config MN10300_TTYSM2_TIMER3
374 bool "Use timer 3 (8-bit)"
375 depends on !(AM33_2 || AM33_3)
377 config MN10300_TTYSM2_TIMER10
378 bool "Use timer 10 (16-bit)"
379 depends on AM33_2 || AM33_3
383 config MN10300_TTYSM2_CTS
384 bool "Enable the use of the CTS line /dev/ttySM2"
385 depends on MN10300_TTYSM2 && AM33_2
389 menu "Interrupt request priority options"
391 comment "[!] NOTE: A lower number/level indicates a higher priority (0 is highest, 6 is lowest)"
393 comment "____Non-maskable interrupt levels____"
394 comment "The following must be set to a higher priority than local_irq_disable() and on-chip serial"
396 config DEBUGGER_IRQ_LEVEL
397 int "DEBUGGER interrupt priority"
398 depends on KERNEL_DEBUGGER
399 range 0 1 if LINUX_CLI_LEVEL = 2
400 range 0 2 if LINUX_CLI_LEVEL = 3
401 range 0 3 if LINUX_CLI_LEVEL = 4
402 range 0 4 if LINUX_CLI_LEVEL = 5
403 range 0 5 if LINUX_CLI_LEVEL = 6
406 comment "The following must be set to a higher priority than local_irq_disable()"
408 config MN10300_SERIAL_IRQ_LEVEL
409 int "MN10300 on-chip serial interrupt priority"
410 depends on MN10300_TTYSM
411 range 1 1 if LINUX_CLI_LEVEL = 2
412 range 1 2 if LINUX_CLI_LEVEL = 3
413 range 1 3 if LINUX_CLI_LEVEL = 4
414 range 1 4 if LINUX_CLI_LEVEL = 5
415 range 1 5 if LINUX_CLI_LEVEL = 6
419 comment "____Maskable interrupt levels____"
421 config LINUX_CLI_LEVEL
422 int "The highest interrupt priority excluded by local_irq_disable() (2-6)"
426 local_irq_disable() doesn't actually disable maskable interrupts -
427 what it does is restrict the levels of interrupt which are permitted
428 (a lower level indicates a higher priority) by lowering the value in
429 EPSW.IM from 7. Any interrupt is permitted for which the level is
432 Certain interrupts, such as DEBUGGER and virtual MN10300 on-chip
433 serial DMA interrupts are allowed to interrupt normal disabled
436 comment "The following must be set to a equal to or lower priority than LINUX_CLI_LEVEL"
438 config TIMER_IRQ_LEVEL
439 int "Kernel timer interrupt priority"
440 range LINUX_CLI_LEVEL 6
444 int "PCI interrupt priority"
446 range LINUX_CLI_LEVEL 6
449 config ETHERNET_IRQ_LEVEL
450 int "Ethernet interrupt priority"
451 depends on SMC91X || SMC911X || SMSC911X
452 range LINUX_CLI_LEVEL 6
455 config EXT_SERIAL_IRQ_LEVEL
456 int "External serial port interrupt priority"
457 depends on SERIAL_8250
458 range LINUX_CLI_LEVEL 6
465 menu "Power management options"
466 source kernel/power/Kconfig
472 menu "Executable formats"
474 source "fs/Kconfig.binfmt"
480 source "drivers/Kconfig"
484 source "arch/mn10300/Kconfig.debug"
486 source "security/Kconfig"
488 source "crypto/Kconfig"