4 # Horrible source of confusion. Die, die, die ...
7 # shouldn't it be per-subarchitecture?
8 config ARCH_MAY_HAVE_PC_FDC
12 mainmenu "Linux/MIPS Kernel Configuration"
16 config SYS_SUPPORTS_32BIT_KERNEL
18 config SYS_SUPPORTS_64BIT_KERNEL
20 config CPU_SUPPORTS_32BIT_KERNEL
22 config CPU_SUPPORTS_64BIT_KERNEL
29 prompt "Kernel code model"
31 You should only select this option if you have a workload that
32 actually benefits from 64-bit processing or if your machine has
33 large memory. You will only be presented a single option in this
34 menu if your system does not support both 32-bit and 64-bit kernels.
38 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
41 Select this option if you want to build a 32-bit kernel.
45 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
47 Select this option if you want to build a 64-bit kernel.
53 menu "Machine selection"
56 bool "Support for the Jazz family of machines"
59 select GENERIC_ISA_DMA
62 select SYS_SUPPORTS_32BIT_KERNEL
63 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
65 This a family of machines based on the MIPS R4030 chipset which was
66 used by several vendors to build RISC/os and Windows NT workstations.
67 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
68 Olivetti M700-10 workstations.
71 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
72 depends on MACH_JAZZ && EXPERIMENTAL
73 select DMA_NONCOHERENT
75 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
76 kernel that runs on these, say Y here. For details about Linux on
77 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
78 <http://www.linux-mips.org/>.
80 config MIPS_MAGNUM_4000
81 bool "Support for MIPS Magnum 4000"
83 select DMA_NONCOHERENT
85 This is a machine with a R4000 100 MHz CPU. To compile a Linux
86 kernel that runs on these, say Y here. For details about Linux on
87 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
88 <http://www.linux-mips.org/>.
91 bool "Support for Olivetti M700-10"
93 select DMA_NONCOHERENT
95 This is a machine with a R4000 100 MHz CPU. To compile a Linux
96 kernel that runs on these, say Y here. For details about Linux on
97 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
98 <http://www.linux-mips.org/>.
101 bool "Support for NEC VR4100 series based machines"
102 select SYS_SUPPORTS_32BIT_KERNEL
103 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
106 bool "Support for NEC CMB-VR4133"
107 depends on MACH_VR41XX
109 select DMA_NONCOHERENT
114 bool "Support for Rockhopper baseboard"
115 depends on NEC_CMBVR4133
117 select HAVE_STD_PC_SERIAL_PORT
120 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
121 depends on MACH_VR41XX
122 select CPU_LITTLE_ENDIAN
123 select DMA_NONCOHERENT
128 bool "Support for IBM WorkPad z50"
129 depends on MACH_VR41XX
130 select CPU_LITTLE_ENDIAN
131 select DMA_NONCOHERENT
136 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
137 depends on MACH_VR41XX
138 select CPU_LITTLE_ENDIAN
139 select DMA_NONCOHERENT
143 The TANBAC VR4131 multichip module(TB0225) and
144 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
145 manufactured by TANBAC.
146 Please refer to <http://www.tanbac.co.jp/>
147 about VR4131 multichip module and VR4131DIMM.
150 bool "Support for TANBAC Mbase(TB0226)"
151 depends on TANBAC_TB022X
154 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
155 Please refer to <http://www.tanbac.co.jp/> about Mbase.
158 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
159 depends on TANBAC_TB022X
161 The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
162 Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
165 bool "Support for Victor MP-C303/304"
166 depends on MACH_VR41XX
167 select CPU_LITTLE_ENDIAN
168 select DMA_NONCOHERENT
173 bool "Support for ZAO Networks Capcella"
174 depends on MACH_VR41XX
175 select CPU_LITTLE_ENDIAN
176 select DMA_NONCOHERENT
181 bool "Add PCI control unit support of NEC VR4100 series"
182 depends on MACH_VR41XX && HW_HAS_PCI
187 tristate "Add NEC VRC4173 companion chip support"
188 depends on MACH_VR41XX && PCI_VR41XX
190 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
192 config TOSHIBA_JMR3927
193 bool "Support for Toshiba JMR-TX3927 board"
194 select DMA_NONCOHERENT
197 select SYS_SUPPORTS_32BIT_KERNEL
200 bool "Support for Cobalt Server"
201 depends on EXPERIMENTAL
202 select DMA_NONCOHERENT
206 select SYS_SUPPORTS_32BIT_KERNEL
207 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
209 config MACH_DECSTATION
210 bool "Support for DECstations"
212 select DMA_NONCOHERENT
215 select SYS_SUPPORTS_32BIT_KERNEL
216 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
218 This enables support for DEC's MIPS based workstations. For details
219 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
220 DECstation porting pages on <http://decstation.unix-ag.org/>.
222 If you have one of the following DECstation Models you definitely
223 want to choose R4xx0 for the CPU Type:
230 otherwise choose R3000.
233 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
234 depends on EXPERIMENTAL
235 select DMA_NONCOHERENT
238 select SYS_SUPPORTS_32BIT_KERNEL
239 select SYS_SUPPORTS_64BIT_KERNEL
241 This is an evaluation board based on the Galileo GT-64120
242 single-chip system controller that contains a MIPS R5000 compatible
243 core running at 75/100MHz. Their website is located at
244 <http://www.marvell.com/>. Say Y here if you wish to build a
245 kernel for this platform.
248 bool "Enable Second PCI (PCI1)"
249 depends on MIPS_EV64120
252 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
253 depends on EXPERIMENTAL
254 select DMA_NONCOHERENT
258 select RM7000_CPU_SCACHE
260 select SYS_SUPPORTS_32BIT_KERNEL
261 select SYS_SUPPORTS_64BIT_KERNEL
263 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
264 communications controllers containing a MIPS R5000 compatible core
265 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
266 here if you wish to build a kernel for this platform.
269 bool "Support for Globespan IVR board"
270 select DMA_NONCOHERENT
272 select SYS_SUPPORTS_32BIT_KERNEL
273 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
275 This is an evaluation board built by Globespan to showcase thir
276 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
277 R5000 MIPS core. More information can be found out their website
278 located at <http://www.globespan.net/>. Say Y here if you wish to
279 build a kernel for this platform.
282 bool "Support for LASAT Networks platforms"
283 select DMA_NONCOHERENT
286 select R5000_CPU_SCACHE
287 select SYS_SUPPORTS_32BIT_KERNEL
288 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
291 tristate "PICVUE LCD display driver"
295 tristate "PICVUE LCD display driver /proc interface"
299 bool "DS1603 RTC driver"
303 bool "LASAT sysctl interface"
307 bool "Support for ITE 8172G board"
308 select DMA_NONCOHERENT
310 select SYS_SUPPORTS_32BIT_KERNEL
311 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
313 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
314 with ATX form factor that utilizes a MIPS R5000 to work with its
315 ITE8172G companion internet appliance chip. The MIPS core can be
316 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
317 a kernel for this platform.
320 bool "Support for older IT8172 (Rev C)"
321 depends on MIPS_ITE8172
323 Say Y here to support the older, Revision C version of the Integrated
324 Technology Express, Inc. ITE8172 SBC. Vendor page at
325 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
326 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
329 bool "Support for MIPS Atlas board"
331 select DMA_NONCOHERENT
335 select SYS_SUPPORTS_32BIT_KERNEL
336 select SYS_SUPPORTS_64BIT_KERNEL
338 This enables support for the MIPS Technologies Atlas evaluation
342 bool "Support for MIPS Malta board"
344 select HAVE_STD_PC_SERIAL_PORT
345 select DMA_NONCOHERENT
346 select GENERIC_ISA_DMA
351 select SYS_SUPPORTS_32BIT_KERNEL
352 select SYS_SUPPORTS_64BIT_KERNEL
354 This enables support for the MIPS Technologies Malta evaluation
358 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
359 depends on EXPERIMENTAL
361 select DMA_NONCOHERENT
362 select SYS_SUPPORTS_32BIT_KERNEL
363 select SYS_SUPPORTS_64BIT_KERNEL
365 This enables support for the MIPS Technologies SEAD evaluation
368 config MOMENCO_OCELOT
369 bool "Support for Momentum Ocelot board"
370 select DMA_NONCOHERENT
375 select RM7000_CPU_SCACHE
377 select SYS_SUPPORTS_32BIT_KERNEL
378 select SYS_SUPPORTS_64BIT_KERNEL
380 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
381 Momentum Computer <http://www.momenco.com/>.
383 config MOMENCO_OCELOT_G
384 bool "Support for Momentum Ocelot-G board"
385 select DMA_NONCOHERENT
390 select RM7000_CPU_SCACHE
392 select SYS_SUPPORTS_32BIT_KERNEL
393 select SYS_SUPPORTS_64BIT_KERNEL
395 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
396 Momentum Computer <http://www.momenco.com/>.
398 config MOMENCO_OCELOT_C
399 bool "Support for Momentum Ocelot-C board"
400 select DMA_NONCOHERENT
405 select RM7000_CPU_SCACHE
407 select SYS_SUPPORTS_32BIT_KERNEL
408 select SYS_SUPPORTS_64BIT_KERNEL
410 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
411 Momentum Computer <http://www.momenco.com/>.
413 config MOMENCO_OCELOT_3
414 bool "Support for Momentum Ocelot-3 board"
416 select DMA_NONCOHERENT
422 select RM7000_CPU_SCACHE
424 select SYS_SUPPORTS_32BIT_KERNEL
425 select SYS_SUPPORTS_64BIT_KERNEL
427 The Ocelot-3 is based off Discovery III System Controller and
428 PMC-Sierra Rm79000 core.
430 config MOMENCO_JAGUAR_ATX
431 bool "Support for Momentum Jaguar board"
433 select DMA_NONCOHERENT
440 select RM7000_CPU_SCACHE
442 select SYS_SUPPORTS_32BIT_KERNEL
443 select SYS_SUPPORTS_64BIT_KERNEL
445 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
446 Momentum Computer <http://www.momenco.com/>.
450 depends on MOMENCO_JAGUAR_ATX
452 Select to Y if jump JP5 is set on your board, N otherwise. Normally
453 the jumper is set, so if you feel unsafe, just say Y.
456 bool "Support for PMC-Sierra Yosemite eval board"
463 select SYS_SUPPORTS_32BIT_KERNEL
464 select SYS_SUPPORTS_64BIT_KERNEL
466 Yosemite is an evaluation board for the RM9000x2 processor
467 manufactured by PMC-Sierra
469 config HYPERTRANSPORT
470 bool "Hypertransport Support for PMC-Sierra Yosemite"
471 depends on PMC_YOSEMITE
474 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
475 depends on EXPERIMENTAL
476 select DMA_NONCOHERENT
477 select HAVE_STD_PC_SERIAL_PORT
482 select SYS_SUPPORTS_32BIT_KERNEL
483 select SYS_SUPPORTS_64BIT_KERNEL
485 This enables support for the VR5000-based NEC DDB Vrc-5074
489 bool "Support for NEC DDB Vrc-5476"
490 select DMA_NONCOHERENT
491 select HAVE_STD_PC_SERIAL_PORT
496 select SYS_SUPPORTS_32BIT_KERNEL
497 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
499 This enables support for the R5432-based NEC DDB Vrc-5476
502 Features : kernel debugging, serial terminal, NFS root fs, on-board
503 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
504 IDE controller, PS2 keyboard, PS2 mouse, etc.
507 bool "Support for NEC DDB Vrc-5477"
508 select DMA_NONCOHERENT
512 select SYS_SUPPORTS_32BIT_KERNEL
513 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
515 This enables support for the R5432-based NEC DDB Vrc-5477,
516 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
518 Features : kernel debugging, serial terminal, NFS root fs, on-board
519 ether port USB, AC97, PCI, etc.
521 config DDB5477_BUS_FREQUENCY
522 int "bus frequency (in kHZ, 0 for auto-detect)"
527 bool "Support for Qemu"
529 select GENERIC_ISA_DMA
530 select HAVE_STD_PC_SERIAL_PORT
534 select SYS_SUPPORTS_32BIT_KERNEL
535 select SYS_SUPPORTS_BIG_ENDIAN
537 Qemu is a software emulator which among other architectures also
538 can simulate a MIPS32 4Kc system. This patch adds support for the
539 system architecture that currently is being simulated by Qemu. It
540 will eventually be removed again when Qemu has the capability to
541 simulate actual MIPS hardware platforms. More information on Qemu
542 can be found at http://www.linux-mips.org/wiki/Qemu.
545 bool "Support for SGI IP22 (Indy/Indigo2)"
549 select DMA_NONCOHERENT
550 select IP22_CPU_SCACHE
553 select SYS_SUPPORTS_32BIT_KERNEL
554 select SYS_SUPPORTS_64BIT_KERNEL
556 This are the SGI Indy, Challenge S and Indigo2, as well as certain
557 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
558 that runs on these, say Y here.
561 bool "Support for SGI IP27 (Origin200/2000)"
567 select SYS_SUPPORTS_64BIT_KERNEL
569 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
570 workstations. To compile a Linux kernel that runs on these, say Y
575 # depends on SGI_IP27
576 # This options adds support for userspace processes upto 16TB size.
577 # Normally the limit is just .5TB.
579 config SGI_SN0_N_MODE
583 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
584 configured in either N-Modes which allows for more nodes or M-Mode
585 which allows for more memory. Your system is most probably
586 running in M-Mode, so you should say N here.
588 config ARCH_DISCONTIGMEM_ENABLE
590 default y if SGI_IP27
592 Say Y to upport efficient handling of discontiguous physical memory,
593 for architectures which are either NUMA (Non-Uniform Memory Access)
594 or have huge holes in the physical address space for other reasons.
595 See <file:Documentation/vm/numa> for more.
601 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
602 Access). This option is for configuring high-end multiprocessor
603 server machines. If in doubt, say N.
606 bool "Mapped kernel support"
609 Change the way a Linux kernel is loaded into memory on a MIPS64
610 machine. This is required in order to support text replication and
611 NUMA. If you need to understand it, read the source code.
613 config REPLICATE_KTEXT
614 bool "Kernel text replication support"
617 Say Y here to enable replicating the kernel text across multiple
618 nodes in a NUMA cluster. This trades memory for speed.
620 config REPLICATE_EXHANDLERS
621 bool "Exception handler replication support"
624 Say Y here to enable replicating the kernel exception handlers
625 across multiple nodes in a NUMA cluster. This trades memory for
629 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
630 depends on EXPERIMENTAL
636 select DMA_NONCOHERENT
638 select R5000_CPU_SCACHE
639 select RM7000_CPU_SCACHE
640 select SYS_SUPPORTS_64BIT_KERNEL
642 If you want this kernel to run on SGI O2 workstation, say Y here.
645 bool "Support for AMD/Alchemy Au1X00 SOCs"
646 select SYS_SUPPORTS_32BIT_KERNEL
649 prompt "Au1X00 SOC Type"
650 depends on SOC_AU1X00
652 Say Y here to enable support for one of three AMD/Alchemy
653 SOCs. For additional documentation see www.amd.com.
667 prompt "AMD/Alchemy Au1x00 board support"
668 depends on SOC_AU1X00
670 These are evaluation boards built by AMD/Alchemy to
671 showcase their Au1X00 Internet Edge Processors. The SOC design
672 is based on the MIPS32 architecture running at 266/400/500MHz
673 with many integrated peripherals. Further information can be
674 found at their website, <http://www.amd.com/>. Say Y here if you
675 wish to build a kernel for this platform.
679 depends on SOC_AU1000
680 select DMA_NONCOHERENT
686 depends on SOC_AU1100
687 select DMA_NONCOHERENT
693 depends on SOC_AU1500
699 depends on SOC_AU1550
702 select MIPS_DISABLE_OBSOLETE_IDE
706 depends on SOC_AU1000
707 select DMA_NONCOHERENT
712 depends on SOC_AU1100
713 select DMA_NONCOHERENT
717 depends on SOC_AU1500
720 select MIPS_DISABLE_OBSOLETE_IDE
724 depends on SOC_AU1550
727 select MIPS_DISABLE_OBSOLETE_IDE
730 bool "Bosporus board"
731 depends on SOC_AU1500
732 select DMA_NONCOHERENT
736 depends on SOC_AU1500
737 select DMA_NONCOHERENT
740 bool "MyCable XXS1500 board"
741 depends on SOC_AU1500
742 select DMA_NONCOHERENT
745 bool "4G Systems MTX-1 board"
746 depends on SOC_AU1500
748 select DMA_NONCOHERENT
752 config SIBYTE_SB1xxx_SOC
753 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
754 depends on EXPERIMENTAL
758 select SYS_SUPPORTS_32BIT_KERNEL
759 select SYS_SUPPORTS_64BIT_KERNEL
762 prompt "BCM1xxx SOC-based board"
763 depends on SIBYTE_SB1xxx_SOC
766 Enable support for boards based on the SiByte line of SOCs
767 from Broadcom. There are configurations for the known
768 evaluation boards, or you can choose "Other" and add your
769 own board support code.
772 bool "BCM91250A-SWARM"
775 config SIBYTE_SENTOSA
776 bool "BCM91250E-Sentosa"
780 bool "BCM91125E-Rhone"
781 select SIBYTE_BCM1125H
784 bool "BCM91120x-Carmel"
785 select SIBYTE_BCM1120
787 config SIBYTE_PTSWARM
788 bool "BCM91250PT-PTSWARM"
791 config SIBYTE_LITTLESUR
792 bool "BCM91250C2-LittleSur"
796 bool "BCM91120C-CRhine"
797 select SIBYTE_BCM1120
800 bool "BCM91125C-CRhone"
801 select SIBYTE_BCM1125
803 config SIBYTE_UNKNOWN
810 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
814 prompt "BCM1xxx SOC Type"
815 depends on SIBYTE_UNKNOWN
816 default SIBYTE_UNK_BCM1250
818 Since you haven't chosen a known evaluation board from
819 Broadcom, you must explicitly pick the SOC this kernel is
822 config SIBYTE_UNK_BCM1250
826 config SIBYTE_UNK_BCM1120
828 select SIBYTE_BCM1120
830 config SIBYTE_UNK_BCM1125
832 select SIBYTE_BCM1125
834 config SIBYTE_UNK_BCM1125H
836 select SIBYTE_BCM1125H
844 config SIBYTE_BCM1120
846 select SIBYTE_BCM112X
848 config SIBYTE_BCM1125
851 select SIBYTE_BCM112X
853 config SIBYTE_BCM1125H
856 select SIBYTE_BCM112X
858 config SIBYTE_BCM112X
862 prompt "SiByte SOC Stepping"
863 depends on SIBYTE_SB1xxx_SOC
865 config CPU_SB1_PASS_1
867 depends on SIBYTE_SB1250
868 select CPU_HAS_PREFETCH
870 config CPU_SB1_PASS_2_1250
872 depends on SIBYTE_SB1250
873 select CPU_SB1_PASS_2
875 Also called BCM1250 Pass 2
877 config CPU_SB1_PASS_2_2
879 depends on SIBYTE_SB1250
880 select CPU_HAS_PREFETCH
882 Also called BCM1250 Pass 2.2
884 config CPU_SB1_PASS_4
886 depends on SIBYTE_SB1250
887 select CPU_HAS_PREFETCH
889 Also called BCM1250 Pass 3
891 config CPU_SB1_PASS_2_112x
893 depends on SIBYTE_BCM112X
894 select CPU_SB1_PASS_2
896 config CPU_SB1_PASS_3
898 depends on SIBYTE_BCM112X
899 select CPU_HAS_PREFETCH
903 config CPU_SB1_PASS_2
906 config SIBYTE_HAS_LDT
908 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
912 bool "Running under simulation"
913 depends on SIBYTE_SB1xxx_SOC
915 Build a kernel suitable for running under the GDB simulator.
916 Primarily adjusts the kernel's notion of time.
919 bool "Booting from CFE"
920 depends on SIBYTE_SB1xxx_SOC
922 Make use of the CFE API for enumerating available memory,
923 controlling secondary CPUs, and possibly console output.
925 config SIBYTE_CFE_CONSOLE
926 bool "Use firmware console"
927 depends on SIBYTE_CFE
929 Use the CFE API's console write routines during boot. Other console
930 options (VT console, sb1250 duart console, etc.) should not be
933 config SIBYTE_STANDALONE
935 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
938 config SIBYTE_STANDALONE_RAM_SIZE
939 int "Memory size (in megabytes)"
940 depends on SIBYTE_STANDALONE
943 config SIBYTE_BUS_WATCHER
944 bool "Support for Bus Watcher statistics"
945 depends on SIBYTE_SB1xxx_SOC
947 Handle and keep statistics on the bus error interrupts (COR_ECC,
950 config SIBYTE_BW_TRACE
951 bool "Capture bus trace before bus error"
952 depends on SIBYTE_BUS_WATCHER
954 Run a continuous bus trace, dumping the raw data as soon as
955 a ZBbus error is detected. Cannot work if ZBbus profiling
956 is turned on, and also will interfere with JTAG-based trace
957 buffer activity. Raw buffer data is dumped to console, and
958 must be processed off-line.
960 config SIBYTE_SB1250_PROF
961 bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
962 depends on SIBYTE_SB1xxx_SOC
965 bool "Support for ZBbus profiling"
966 depends on SIBYTE_SB1xxx_SOC
969 bool "Support for SNI RM200 PCI"
973 select DMA_NONCOHERENT
974 select GENERIC_ISA_DMA
975 select HAVE_STD_PC_SERIAL_PORT
979 select SYS_SUPPORTS_32BIT_KERNEL
980 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
982 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
983 Nixdorf Informationssysteme (SNI), parent company of Pyramid
984 Technology and now in turn merged with Fujitsu. Say Y here to
985 support this machine type.
987 config TOSHIBA_RBTX4927
988 bool "Support for Toshiba TBTX49[23]7 board"
989 select DMA_NONCOHERENT
990 select HAS_TXX9_SERIAL
995 select SYS_SUPPORTS_32BIT_KERNEL
996 select SYS_SUPPORTS_64BIT_KERNEL
998 This Toshiba board is based on the TX4927 processor. Say Y here to
999 support this machine type
1001 config TOSHIBA_FPCIB0
1002 bool "FPCIB0 Backplane Support"
1003 depends on TOSHIBA_RBTX4927
1005 config RWSEM_GENERIC_SPINLOCK
1009 config RWSEM_XCHGADD_ALGORITHM
1012 config GENERIC_CALIBRATE_DELAY
1017 # Select some configuration options automatically based on user selections.
1021 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
1032 select DMA_NEED_PCI_MAP_STATE
1034 config DMA_NONCOHERENT
1036 select DMA_NEED_PCI_MAP_STATE
1038 config DMA_NEED_PCI_MAP_STATE
1043 depends on MACH_DECSTATION
1046 config GENERIC_ISA_DMA
1048 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
1053 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
1060 config MIPS_BONITO64
1062 depends on MIPS_ATLAS || MIPS_MALTA
1067 depends on MIPS_ATLAS || MIPS_MALTA
1075 config MIPS_DISABLE_OBSOLETE_IDE
1078 config CPU_LITTLE_ENDIAN
1079 bool "Generate little endian code"
1080 default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA
1081 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
1083 Some MIPS machines can be configured for either little or big endian
1084 byte order. These modes require different kernels. Say Y if your
1085 machine is little endian, N if it's a big endian machine.
1096 config DDB5XXX_COMMON
1098 depends on DDB5074 || DDB5476 || DDB5477
1101 config MIPS_BOARDS_GEN
1103 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
1108 depends on MIPS_COBALT
1113 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1118 depends on TOSHIBA_JMR3927
1119 select HAS_TXX9_SERIAL
1125 config ITE_BOARD_GEN
1127 depends on MIPS_IVR || MIPS_ITE8172
1130 config SWAP_IO_SPACE
1134 # Unfortunately not all GT64120 systems run the chip at the same clock.
1135 # As the user for the clock rate and try to minimize the available options.
1138 prompt "Galileo Chip Clock"
1139 #default SYSCLK_83 if MIPS_EV64120
1140 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1141 default SYSCLK_83 if MIPS_EV64120
1142 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1145 bool "75" if MIPS_EV64120
1148 bool "83.3" if MIPS_EV64120
1151 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1155 config AU1X00_USB_DEVICE
1157 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1162 depends on MIPS_EV96100
1165 Say Y here to support the Galileo Technology GT96100 communications
1166 controller card. There is a web page at <http://www.galileot.com/>.
1170 depends on MIPS_ITE8172 || MIPS_IVR
1175 depends on MIPS_ITE8172
1180 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1183 config MIPS_L1_CACHE_SHIFT
1185 default "4" if MACH_DECSTATION
1186 default "7" if SGI_IP27
1191 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1194 config HAVE_STD_PC_SERIAL_PORT
1198 bool "ARC console support"
1199 depends on SGI_IP22 || SNI_RM200_PCI
1203 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1208 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1221 #config MAPPED_PCI_IO y
1223 # depends on SGI_IP27
1231 config TOSHIBA_BOARDS
1233 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1238 menu "CPU selection"
1246 select CPU_SUPPORTS_32BIT_KERNEL
1250 select CPU_SUPPORTS_32BIT_KERNEL
1251 select CPU_SUPPORTS_64BIT_KERNEL
1255 select CPU_SUPPORTS_32BIT_KERNEL
1257 Please make sure to pick the right CPU type. Linux/MIPS is not
1258 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1259 *not* work on R4000 machines and vice versa. However, since most
1260 of the supported machines have an R4000 (or similar) CPU, R4x00
1261 might be a safe bet. If the resulting kernel does not work,
1262 try to recompile with R3000.
1266 select CPU_SUPPORTS_32BIT_KERNEL
1270 select CPU_SUPPORTS_32BIT_KERNEL
1271 select CPU_SUPPORTS_64BIT_KERNEL
1273 The options selects support for the NEC VR41xx series of processors.
1274 Only choose this option if you have one of these processors as a
1275 kernel built with this option will not run on any other type of
1276 processor or vice versa.
1280 select CPU_SUPPORTS_32BIT_KERNEL
1281 select CPU_SUPPORTS_64BIT_KERNEL
1283 MIPS Technologies R4300-series processors.
1287 select CPU_SUPPORTS_32BIT_KERNEL
1288 select CPU_SUPPORTS_64BIT_KERNEL
1290 MIPS Technologies R4000-series processors other than 4300, including
1291 the R4000, R4400, R4600, and 4700.
1295 select CPU_SUPPORTS_32BIT_KERNEL
1296 select CPU_SUPPORTS_64BIT_KERNEL
1300 select CPU_SUPPORTS_32BIT_KERNEL
1301 select CPU_SUPPORTS_64BIT_KERNEL
1303 MIPS Technologies R5000-series processors other than the Nevada.
1310 depends on EXPERIMENTAL
1311 select CPU_SUPPORTS_32BIT_KERNEL
1313 MIPS Technologies R6000 and R6000A series processors. Note these
1314 processors are extremly rare and the support for them is incomplete.
1318 select CPU_SUPPORTS_32BIT_KERNEL
1319 select CPU_SUPPORTS_64BIT_KERNEL
1321 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1325 depends on EXPERIMENTAL
1326 select CPU_SUPPORTS_64BIT_KERNEL
1328 MIPS Technologies R8000 processors. Note these processors are
1329 uncommon and the support for them is incomplete.
1333 select CPU_SUPPORTS_32BIT_KERNEL
1334 select CPU_SUPPORTS_64BIT_KERNEL
1336 MIPS Technologies R10000-series processors.
1340 select CPU_SUPPORTS_32BIT_KERNEL
1341 select CPU_SUPPORTS_64BIT_KERNEL
1345 select CPU_SUPPORTS_32BIT_KERNEL
1346 select CPU_SUPPORTS_64BIT_KERNEL
1350 select CPU_SUPPORTS_32BIT_KERNEL
1351 select CPU_SUPPORTS_64BIT_KERNEL
1356 prompt "Kernel page size"
1357 default PAGE_SIZE_4KB
1359 config PAGE_SIZE_4KB
1362 This option select the standard 4kB Linux page size. On some
1363 R3000-family processors this is the only available page size. Using
1364 4kB page size will minimize memory consumption and is therefore
1365 recommended for low memory systems.
1367 config PAGE_SIZE_8KB
1369 depends on EXPERIMENTAL && CPU_R8000
1371 Using 8kB page size will result in higher performance kernel at
1372 the price of higher memory consumption. This option is available
1373 only on the R8000 processor. Not that at the time of this writing
1374 this option is still high experimental; there are also issues with
1375 compatibility of user applications.
1377 config PAGE_SIZE_16KB
1379 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1381 Using 16kB page size will result in higher performance kernel at
1382 the price of higher memory consumption. This option is available on
1383 all non-R3000 family processor. Not that at the time of this
1384 writing this option is still high experimental; there are also
1385 issues with compatibility of user applications.
1387 config PAGE_SIZE_64KB
1389 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1391 Using 64kB page size will result in higher performance kernel at
1392 the price of higher memory consumption. This option is available on
1393 all non-R3000 family processor. Not that at the time of this
1394 writing this option is still high experimental; there are also
1395 issues with compatibility of user applications.
1402 config IP22_CPU_SCACHE
1406 config R5000_CPU_SCACHE
1410 config RM7000_CPU_SCACHE
1414 config SIBYTE_DMA_PAGEOPS
1415 bool "Use DMA to clear/copy pages"
1418 Instead of using the CPU to zero and copy pages, use a Data Mover
1419 channel. These DMA channels are otherwise unused by the standard
1420 SiByte Linux port. Seems to give a small performance benefit.
1422 config CPU_HAS_PREFETCH
1423 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1424 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1427 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1428 default y if CPU_SB1
1430 config SB1_PASS_1_WORKAROUNDS
1432 depends on CPU_SB1_PASS_1
1435 config SB1_PASS_2_WORKAROUNDS
1437 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1440 config SB1_PASS_2_1_WORKAROUNDS
1442 depends on CPU_SB1 && CPU_SB1_PASS_2
1445 config 64BIT_PHYS_ADDR
1446 bool "Support for 64-bit physical address space"
1447 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1450 bool "Override CPU Options"
1453 Saying yes here allows you to select support for various features
1454 your CPU may or may not have. Most people should say N here.
1457 bool "ll/sc Instructions available" if CPU_ADVANCED
1458 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1460 MIPS R4000 series and later provide the Load Linked (ll)
1461 and Store Conditional (sc) instructions. More information is
1462 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1464 Say Y here if your CPU has the ll and sc instructions. Say Y here
1465 for better performance, N if you don't know. You must say Y here
1466 for multiprocessor machines.
1468 config CPU_HAS_LLDSCD
1469 bool "lld/scd Instructions available" if CPU_ADVANCED
1470 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1472 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1473 equivalents of ll and sc. Say Y here for better performance, N if
1474 you don't know. You must say Y here for multiprocessor machines.
1477 bool "Writeback Buffer available" if CPU_ADVANCED
1478 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1480 Say N here for slightly better performance. You must say Y here for
1481 machines which require flushing of write buffers in software. Saying
1482 Y is the safe option; N may result in kernel malfunction and crashes.
1486 depends on !CPU_R3000
1490 # - Highmem only makes sense for the 32-bit kernel.
1491 # - The current highmem code will only work properly on physically indexed
1492 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1493 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1494 # moment we protect the user and offer the highmem option only on machines
1495 # where it's known to be safe. This will not offer highmem on a few systems
1496 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1497 # indexed CPUs but we're playing safe.
1498 # - We should not offer highmem for system of which we already know that they
1499 # don't have memory configurations that could gain from highmem support in
1500 # the kernel because they don't support configurations with RAM at physical
1501 # addresses > 0x20000000.
1504 bool "High Memory Support"
1505 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1507 config ARCH_FLATMEM_ENABLE
1514 bool "Multi-Processing support"
1515 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1517 This enables support for systems with more than one CPU. If you have
1518 a system with only one CPU, like most personal computers, say N. If
1519 you have a system with more than one CPU, say Y.
1521 If you say N here, the kernel will run on single and multiprocessor
1522 machines, but will use only one CPU of a multiprocessor machine. If
1523 you say Y here, the kernel will run on many, but not all,
1524 singleprocessor machines. On a singleprocessor machine, the kernel
1525 will run faster if you say N here.
1527 People using multiprocessor machines who say Y here should also say
1528 Y to "Enhanced Real Time Clock Support", below.
1530 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1531 available at <http://www.tldp.org/docs.html#howto>.
1533 If you don't know what to do here, say N.
1536 int "Maximum number of CPUs (2-64)"
1539 default "64" if SGI_IP27
1542 This allows you to specify the maximum number of CPUs which this
1543 kernel will support. The maximum supported value is 32 for 32-bit
1544 kernel and 64 for 64-bit kernels; the minimum value which makes
1547 This is purely to save memory - each supported CPU adds
1548 approximately eight kilobytes to the kernel image.
1551 bool "Preemptible Kernel"
1553 This option reduces the latency of the kernel when reacting to
1554 real-time or interactive events by allowing a low priority process to
1555 be preempted even if it is in kernel mode executing a system call.
1556 This allows applications to run more reliably even when the system is
1560 bool "DS1742 BRAM/RTC support"
1561 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1563 config MIPS_INSANE_LARGE
1564 bool "Support for large 64-bit configurations"
1565 depends on CPU_R10000 && 64BIT
1567 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1568 previous 64-bit processors which only supported 40 bit / 1TB. If you
1569 need processes of more than 1TB virtual address space, say Y here.
1570 This will result in additional memory usage, so it is not
1571 recommended for normal users.
1573 config RWSEM_GENERIC_SPINLOCK
1579 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1585 bool "Support for PCI controller"
1586 depends on HW_HAS_PCI
1588 Find out whether you have a PCI motherboard. PCI is the name of a
1589 bus system, i.e. the way the CPU talks to the other stuff inside
1590 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1593 The PCI-HOWTO, available from
1594 <http://www.tldp.org/docs.html#howto>, contains valuable
1595 information about which PCI hardware does work under Linux and which
1602 source "drivers/pci/Kconfig"
1605 # ISA support is now enabled via select. Too many systems still have the one
1606 # or other ISA chip on the board that users don't know about so don't expect
1607 # users to choose the right thing ...
1614 depends on SGI_IP22 || SNI_RM200_PCI
1617 The Extended Industry Standard Architecture (EISA) bus was
1618 developed as an open alternative to the IBM MicroChannel bus.
1620 The EISA bus provided some of the features of the IBM MicroChannel
1621 bus while maintaining backward compatibility with cards made for
1622 the older ISA bus. The EISA bus saw limited use between 1988 and
1623 1995 when it was made obsolete by the PCI bus.
1625 Say Y here if you are building a kernel for an EISA-based machine.
1629 source "drivers/eisa/Kconfig"
1632 bool "TURBOchannel support"
1633 depends on MACH_DECSTATION
1635 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1636 processors. Documentation on writing device drivers for TurboChannel
1638 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1641 # bool "Access.Bus support"
1654 source "drivers/pcmcia/Kconfig"
1656 source "drivers/pci/hotplug/Kconfig"
1660 menu "Executable file formats"
1662 source "fs/Kconfig.binfmt"
1669 bool "Use 64-bit ELF format for building"
1672 A 64-bit kernel is usually built using the 64-bit ELF binary object
1673 format as it's one that allows arbitrary 64-bit constructs. For
1674 kernels that are loaded within the KSEG compatibility segments the
1675 32-bit ELF format can optionally be used resulting in a somewhat
1676 smaller binary, but this option is not explicitly supported by the
1677 toolchain and since binutils 2.14 it does not even work at all.
1679 Say Y to use the 64-bit format or N to use the 32-bit one.
1684 bool "Include IRIX binary compatibility"
1685 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1687 config MIPS32_COMPAT
1688 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1691 Select this option if you want Linux/MIPS 32-bit binary
1692 compatibility. Since all software available for Linux/MIPS is
1693 currently 32-bit you should say Y here.
1697 depends on MIPS32_COMPAT
1701 bool "Kernel support for o32 binaries"
1702 depends on MIPS32_COMPAT
1704 Select this option if you want to run o32 binaries. These are pure
1705 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1706 existing binaries are in this format.
1711 bool "Kernel support for n32 binaries"
1712 depends on MIPS32_COMPAT
1714 Select this option if you want to run n32 binaries. These are
1715 64-bit binaries using 32-bit quantities for addressing and certain
1716 data that would normally be 64-bit. They are used in special
1723 default y if MIPS32_O32 || MIPS32_N32
1726 bool "Power Management support (EXPERIMENTAL)"
1727 depends on EXPERIMENTAL && MACH_AU1X00
1731 source "net/Kconfig"
1733 source "drivers/Kconfig"
1737 source "arch/mips/Kconfig.debug"
1739 source "security/Kconfig"
1741 source "crypto/Kconfig"
1743 source "lib/Kconfig"
1746 # Use the generic interrupt handling code in kernel/irq/:
1748 config GENERIC_HARDIRQS
1752 config GENERIC_IRQ_PROBE