5 select GENERIC_IRQ_SHOW
6 select ARCH_WANT_IPC_PARSE_VERSION
7 select HAVE_ARCH_TRACEHOOK
9 select GENERIC_ATOMIC64
10 select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
12 select GENERIC_CLOCKEVENTS
13 select MODULES_USE_ELF_RELA
14 select OLD_SIGSUSPEND3
16 select HAVE_DEBUG_STACKOVERFLOW
26 select MN10300_HAS_ATOMIC_OPS_UNIT
27 select MN10300_HAS_CACHE_SNOOP
29 config ERRATUM_NEED_TO_RELOAD_MMUCTR
30 def_bool y if AM33_3 || AM34_2
41 config RWSEM_GENERIC_SPINLOCK
44 config RWSEM_XCHGADD_ALGORITHM
47 config GENERIC_CALIBRATE_DELAY
50 config GENERIC_HWEIGHT
59 config ARCH_HAS_ILOG2_U32
67 source "kernel/Kconfig.freezer"
70 menu "Panasonic MN10300 system setup"
74 default MN10300_UNIT_ASB2303
76 This option specifies board for which the kernel will be
77 compiled. It affects the external peripherals catered for.
79 config MN10300_UNIT_ASB2303
82 config MN10300_UNIT_ASB2305
85 config MN10300_UNIT_ASB2364
87 select SMSC911X_ARCH_HOOKS if SMSC911X
92 prompt "Processor support"
93 default MN10300_PROC_MN103E010
95 This option specifies the processor for which the kernel will be
96 compiled. It affects the on-chip peripherals catered for.
98 config MN10300_PROC_MN103E010
100 depends on MN10300_UNIT_ASB2303 || MN10300_UNIT_ASB2305
102 select MN10300_PROC_HAS_TTYSM0
103 select MN10300_PROC_HAS_TTYSM1
104 select MN10300_PROC_HAS_TTYSM2
106 config MN10300_PROC_MN2WS0050
108 depends on MN10300_UNIT_ASB2364
110 select MN10300_PROC_HAS_TTYSM0
111 select MN10300_PROC_HAS_TTYSM1
112 select MN10300_PROC_HAS_TTYSM2
116 config MN10300_HAS_ATOMIC_OPS_UNIT
119 This should be enabled if the processor has an atomic ops unit
120 capable of doing LL/SC equivalent operations.
125 depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
128 bool "Save FPU state lazily"
130 depends on FPU && !SMP
132 Enable this to be lazy in the saving of the FPU state to the owning
133 task's thread struct. This is useful if most tasks on the system
134 don't use the FPU as only those tasks that use it will pass it
135 between them, and the state needn't be saved for a task that isn't
138 This can't be so easily used on SMP as the process that owns the FPU
139 state on a CPU may be currently running on another CPU, so for the
140 moment, it is disabled.
142 source "arch/mn10300/mm/Kconfig.cache"
144 config MN10300_TLB_USE_PIDR
147 menu "Memory layout options"
149 config KERNEL_RAM_BASE_ADDRESS
150 hex "Base address of kernel RAM"
153 config INTERRUPT_VECTOR_BASE
154 hex "Base address of vector table"
157 The base address of the vector table will be programmed into
158 the TBR register. It must be on 16MiB address boundary.
160 config KERNEL_TEXT_ADDRESS
161 hex "Base address of kernel"
164 config KERNEL_ZIMAGE_BASE_ADDRESS
165 hex "Base address of compressed vmlinux image"
168 config BOOT_STACK_OFFSET
170 default "0xF00" if SMP
171 default "0xFF0" if !SMP
173 config BOOT_STACK_SIZE
180 bool "Symmetric multi-processing support"
182 depends on MN10300_PROC_MN2WS0050
184 This enables support for systems with more than one CPU. If you have
185 a system with only one CPU, say N. If you have a system with more
188 If you say N here, the kernel will run on uni- and multiprocessor
189 machines, but will use only one CPU of a multiprocessor machine. If
190 you say Y here, the kernel will run on many, but not all,
191 uniprocessor machines. On a uniprocessor machine, the kernel
192 will run faster if you say N here.
194 See also <file:Documentation/x86/i386/IO-APIC.txt>,
195 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
196 <http://www.tldp.org/docs.html#howto>.
198 If you don't know what to do here, say N.
205 source "kernel/Kconfig.preempt"
207 config MN10300_CURRENT_IN_E2
208 bool "Hold current task address in E2 register"
212 This option removes the E2/R2 register from the set available to gcc
213 for normal use and instead uses it to store the address of the
214 current process's task_struct whilst in the kernel.
216 This means the kernel doesn't need to calculate the address each time
217 "current" is used (take SP, AND with mask and dereference pointer
218 just to get the address), and instead can just use E2+offset
219 addressing each time.
221 This has no effect on userspace.
223 config MN10300_USING_JTAG
224 bool "Using JTAG to debug kernel"
227 This options indicates that JTAG will be used to debug the kernel. It
228 suppresses the use of certain hardware debugging features, such as
229 single-stepping, which are taken over completely by the JTAG unit.
231 source "kernel/Kconfig.hz"
234 bool "Using MN10300 RTC"
235 depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050
236 select GENERIC_CMOS_UPDATE
239 This option enables support for the RTC, thus enabling time to be
240 tracked, even when system is powered down. This is available on-chip
243 config MN10300_WD_TIMER
244 bool "Using MN10300 watchdog timer"
247 This options indicates that the watchdog timer will be used.
251 depends on MN10300_UNIT_ASB2305
253 select GENERIC_PCI_IOMAP
255 Some systems (such as the ASB2305) have PCI onboard. If you have one
256 of these boards and you wish to use the PCI facilities, say Y here.
258 The PCI-HOWTO, available from
259 <http://www.tldp.org/docs.html#howto>, contains valuable
260 information about which PCI hardware does work under Linux and which
263 source "drivers/pci/Kconfig"
265 source "drivers/pcmcia/Kconfig"
267 menu "MN10300 internal serial options"
269 config MN10300_PROC_HAS_TTYSM0
273 config MN10300_PROC_HAS_TTYSM1
277 config MN10300_PROC_HAS_TTYSM2
282 bool "Support for ttySM serial ports"
287 This option enables support for the on-chip serial ports that the
288 MN10300 has available.
290 config MN10300_TTYSM_CONSOLE
291 bool "Support for console on ttySM serial ports"
292 depends on MN10300_TTYSM
293 select SERIAL_CORE_CONSOLE
295 This option enables support for a console on the on-chip serial ports
296 that the MN10300 has available.
301 config MN10300_TTYSM0
302 bool "Enable SIF0 (/dev/ttySM0)"
303 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0
305 Enable access to SIF0 through /dev/ttySM0 or gdb-stub
308 prompt "Select the timer to supply the clock for SIF0"
309 default MN10300_TTYSM0_TIMER8
310 depends on MN10300_TTYSM0
312 config MN10300_TTYSM0_TIMER8
313 bool "Use timer 8 (16-bit)"
315 config MN10300_TTYSM0_TIMER2
316 bool "Use timer 2 (8-bit)"
323 config MN10300_TTYSM1
324 bool "Enable SIF1 (/dev/ttySM1)"
325 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1
327 Enable access to SIF1 through /dev/ttySM1 or gdb-stub
330 prompt "Select the timer to supply the clock for SIF1"
331 default MN10300_TTYSM1_TIMER12 \
332 if !(AM33_2 || AM33_3)
333 default MN10300_TTYSM1_TIMER9 \
335 depends on MN10300_TTYSM1
337 config MN10300_TTYSM1_TIMER12
338 bool "Use timer 12 (16-bit)"
339 depends on !(AM33_2 || AM33_3)
341 config MN10300_TTYSM1_TIMER9
342 bool "Use timer 9 (16-bit)"
343 depends on AM33_2 || AM33_3
345 config MN10300_TTYSM1_TIMER3
346 bool "Use timer 3 (8-bit)"
347 depends on AM33_2 || AM33_3
354 config MN10300_TTYSM2
355 bool "Enable SIF2 (/dev/ttySM2)"
356 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2
358 Enable access to SIF2 through /dev/ttySM2 or gdb-stub
361 prompt "Select the timer to supply the clock for SIF2"
362 default MN10300_TTYSM2_TIMER3 \
363 if !(AM33_2 || AM33_3)
364 default MN10300_TTYSM2_TIMER10 \
366 depends on MN10300_TTYSM2
368 config MN10300_TTYSM2_TIMER9
369 bool "Use timer 9 (16-bit)"
370 depends on !(AM33_2 || AM33_3)
372 config MN10300_TTYSM2_TIMER1
373 bool "Use timer 1 (8-bit)"
374 depends on !(AM33_2 || AM33_3)
376 config MN10300_TTYSM2_TIMER3
377 bool "Use timer 3 (8-bit)"
378 depends on !(AM33_2 || AM33_3)
380 config MN10300_TTYSM2_TIMER10
381 bool "Use timer 10 (16-bit)"
382 depends on AM33_2 || AM33_3
386 config MN10300_TTYSM2_CTS
387 bool "Enable the use of the CTS line /dev/ttySM2"
388 depends on MN10300_TTYSM2 && AM33_2
392 menu "Interrupt request priority options"
394 comment "[!] NOTE: A lower number/level indicates a higher priority (0 is highest, 6 is lowest)"
396 comment "____Non-maskable interrupt levels____"
397 comment "The following must be set to a higher priority than local_irq_disable() and on-chip serial"
399 config DEBUGGER_IRQ_LEVEL
400 int "DEBUGGER interrupt priority"
401 depends on KERNEL_DEBUGGER
402 range 0 1 if LINUX_CLI_LEVEL = 2
403 range 0 2 if LINUX_CLI_LEVEL = 3
404 range 0 3 if LINUX_CLI_LEVEL = 4
405 range 0 4 if LINUX_CLI_LEVEL = 5
406 range 0 5 if LINUX_CLI_LEVEL = 6
409 comment "The following must be set to a higher priority than local_irq_disable()"
411 config MN10300_SERIAL_IRQ_LEVEL
412 int "MN10300 on-chip serial interrupt priority"
413 depends on MN10300_TTYSM
414 range 1 1 if LINUX_CLI_LEVEL = 2
415 range 1 2 if LINUX_CLI_LEVEL = 3
416 range 1 3 if LINUX_CLI_LEVEL = 4
417 range 1 4 if LINUX_CLI_LEVEL = 5
418 range 1 5 if LINUX_CLI_LEVEL = 6
422 comment "____Maskable interrupt levels____"
424 config LINUX_CLI_LEVEL
425 int "The highest interrupt priority excluded by local_irq_disable() (2-6)"
429 local_irq_disable() doesn't actually disable maskable interrupts -
430 what it does is restrict the levels of interrupt which are permitted
431 (a lower level indicates a higher priority) by lowering the value in
432 EPSW.IM from 7. Any interrupt is permitted for which the level is
435 Certain interrupts, such as DEBUGGER and virtual MN10300 on-chip
436 serial DMA interrupts are allowed to interrupt normal disabled
439 comment "The following must be set to a equal to or lower priority than LINUX_CLI_LEVEL"
441 config TIMER_IRQ_LEVEL
442 int "Kernel timer interrupt priority"
443 range LINUX_CLI_LEVEL 6
447 int "PCI interrupt priority"
449 range LINUX_CLI_LEVEL 6
452 config ETHERNET_IRQ_LEVEL
453 int "Ethernet interrupt priority"
454 depends on SMC91X || SMC911X || SMSC911X
455 range LINUX_CLI_LEVEL 6
458 config EXT_SERIAL_IRQ_LEVEL
459 int "External serial port interrupt priority"
460 depends on SERIAL_8250
461 range LINUX_CLI_LEVEL 6
468 menu "Power management options"
469 source kernel/power/Kconfig
475 menu "Executable formats"
477 source "fs/Kconfig.binfmt"
483 source "drivers/Kconfig"
487 source "arch/mn10300/Kconfig.debug"
489 source "security/Kconfig"
491 source "crypto/Kconfig"