4 # Horrible source of confusion. Die, die, die ...
7 mainmenu "Linux/MIPS Kernel Configuration"
15 prompt "Kernel code model"
17 You should only select this option if you have a workload that
18 actually benefits from 64-bit processing or if your machine has
19 large memory. You will only be presented a single option in this
20 menu if your system does not support both 32-bit and 64-bit kernels.
24 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
27 Select this option if you want to build a 32-bit kernel.
31 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
33 Select this option if you want to build a 64-bit kernel.
39 menu "Machine selection"
42 bool "Support for the Jazz family of machines"
45 select GENERIC_ISA_DMA
49 This a family of machines based on the MIPS R4030 chipset which was
50 used by several vendors to build RISC/os and Windows NT workstations.
51 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
52 Olivetti M700-10 workstations.
55 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
56 depends on MACH_JAZZ && EXPERIMENTAL
57 select DMA_NONCOHERENT
59 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
60 kernel that runs on these, say Y here. For details about Linux on
61 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
62 <http://www.linux-mips.org/>.
64 config MIPS_MAGNUM_4000
65 bool "Support for MIPS Magnum 4000"
67 select DMA_NONCOHERENT
69 This is a machine with a R4000 100 MHz CPU. To compile a Linux
70 kernel that runs on these, say Y here. For details about Linux on
71 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
72 <http://www.linux-mips.org/>.
75 bool "Support for Olivetti M700-10"
77 select DMA_NONCOHERENT
79 This is a machine with a R4000 100 MHz CPU. To compile a Linux
80 kernel that runs on these, say Y here. For details about Linux on
81 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
82 <http://www.linux-mips.org/>.
85 bool "Support for NEC VR4100 series based machines"
88 bool "Support for NEC CMB-VR4133"
89 depends on MACH_VR41XX
91 select DMA_NONCOHERENT
96 bool "Support for Rockhopper baseboard"
97 depends on NEC_CMBVR4133
99 select HAVE_STD_PC_SERIAL_PORT
102 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
103 depends on MACH_VR41XX
104 select CPU_LITTLE_ENDIAN
105 select DMA_NONCOHERENT
110 bool "Support for IBM WorkPad z50"
111 depends on MACH_VR41XX
112 select CPU_LITTLE_ENDIAN
113 select DMA_NONCOHERENT
118 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
119 depends on MACH_VR41XX
120 select CPU_LITTLE_ENDIAN
121 select DMA_NONCOHERENT
125 The TANBAC VR4131 multichip module(TB0225) and
126 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
127 manufactured by TANBAC.
128 Please refer to <http://www.tanbac.co.jp/>
129 about VR4131 multichip module and VR4131DIMM.
132 bool "Support for TANBAC Mbase(TB0226)"
133 depends on TANBAC_TB022X
136 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
137 Please refer to <http://www.tanbac.co.jp/> about Mbase.
140 bool "Support for Victor MP-C303/304"
141 depends on MACH_VR41XX
142 select CPU_LITTLE_ENDIAN
143 select DMA_NONCOHERENT
148 bool "Support for ZAO Networks Capcella"
149 depends on MACH_VR41XX
150 select CPU_LITTLE_ENDIAN
151 select DMA_NONCOHERENT
156 bool "Add PCI control unit support of NEC VR4100 series"
157 depends on MACH_VR41XX && HW_HAS_PCI
162 tristate "Add NEC VRC4173 companion chip support"
163 depends on MACH_VR41XX && PCI_VR41XX
165 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
167 config TOSHIBA_JMR3927
168 bool "Support for Toshiba JMR-TX3927 board"
170 select DMA_NONCOHERENT
175 bool "Support for Cobalt Server (EXPERIMENTAL)"
176 depends on EXPERIMENTAL
177 select DMA_NONCOHERENT
182 config MACH_DECSTATION
183 bool "Support for DECstations"
185 select DMA_NONCOHERENT
187 depends on 32BIT || EXPERIMENTAL
189 This enables support for DEC's MIPS based workstations. For details
190 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
191 DECstation porting pages on <http://decstation.unix-ag.org/>.
193 If you have one of the following DECstation Models you definitely
194 want to choose R4xx0 for the CPU Type:
201 otherwise choose R3000.
204 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
205 depends on EXPERIMENTAL
206 select DMA_NONCOHERENT
210 This is an evaluation board based on the Galileo GT-64120
211 single-chip system controller that contains a MIPS R5000 compatible
212 core running at 75/100MHz. Their website is located at
213 <http://www.marvell.com/>. Say Y here if you wish to build a
214 kernel for this platform.
217 bool "Enable Second PCI (PCI1)"
218 depends on MIPS_EV64120
221 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
222 depends on EXPERIMENTAL
223 select DMA_NONCOHERENT
227 select RM7000_CPU_SCACHE
230 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
231 communications controllers containing a MIPS R5000 compatible core
232 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
233 here if you wish to build a kernel for this platform.
236 bool "Support for Globespan IVR board"
237 select DMA_NONCOHERENT
240 This is an evaluation board built by Globespan to showcase thir
241 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
242 R5000 MIPS core. More information can be found out their website
243 located at <http://www.globespan.net/>. Say Y here if you wish to
244 build a kernel for this platform.
247 bool "Support for LASAT Networks platforms"
248 select DMA_NONCOHERENT
251 select R5000_CPU_SCACHE
254 tristate "PICVUE LCD display driver"
258 tristate "PICVUE LCD display driver /proc interface"
262 bool "DS1603 RTC driver"
266 bool "LASAT sysctl interface"
270 bool "Support for ITE 8172G board"
271 select DMA_NONCOHERENT
274 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
275 with ATX form factor that utilizes a MIPS R5000 to work with its
276 ITE8172G companion internet appliance chip. The MIPS core can be
277 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
278 a kernel for this platform.
281 bool "Support for older IT8172 (Rev C)"
282 depends on MIPS_ITE8172
284 Say Y here to support the older, Revision C version of the Integrated
285 Technology Express, Inc. ITE8172 SBC. Vendor page at
286 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
287 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
290 bool "Support for MIPS Atlas board"
292 select DMA_NONCOHERENT
297 This enables support for the QED R5231-based MIPS Atlas evaluation
301 bool "Support for MIPS Malta board"
303 select HAVE_STD_PC_SERIAL_PORT
304 select DMA_NONCOHERENT
305 select GENERIC_ISA_DMA
311 This enables support for the VR5000-based MIPS Malta evaluation
315 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
316 depends on EXPERIMENTAL
318 select DMA_NONCOHERENT
320 config MOMENCO_OCELOT
321 bool "Support for Momentum Ocelot board"
322 select DMA_NONCOHERENT
327 select RM7000_CPU_SCACHE
330 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
331 Momentum Computer <http://www.momenco.com/>.
333 config MOMENCO_OCELOT_G
334 bool "Support for Momentum Ocelot-G board"
335 select DMA_NONCOHERENT
340 select RM7000_CPU_SCACHE
343 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
344 Momentum Computer <http://www.momenco.com/>.
346 config MOMENCO_OCELOT_C
347 bool "Support for Momentum Ocelot-C board"
348 select DMA_NONCOHERENT
353 select RM7000_CPU_SCACHE
356 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
357 Momentum Computer <http://www.momenco.com/>.
359 config MOMENCO_OCELOT_3
360 bool "Support for Momentum Ocelot-3 board"
362 select DMA_NONCOHERENT
368 select RM7000_CPU_SCACHE
371 The Ocelot-3 is based off Discovery III System Controller and
372 PMC-Sierra Rm79000 core.
374 config MOMENCO_JAGUAR_ATX
375 bool "Support for Momentum Jaguar board"
377 select DMA_NONCOHERENT
384 select RM7000_CPU_SCACHE
387 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
388 Momentum Computer <http://www.momenco.com/>.
392 depends on MOMENCO_JAGUAR_ATX
394 Select to Y if jump JP5 is set on your board, N otherwise. Normally
395 the jumper is set, so if you feel unsafe, just say Y.
398 bool "Support for PMC-Sierra Yosemite eval board"
406 Yosemite is an evaluation board for the RM9000x2 processor
407 manufactured by PMC-Sierra
409 config HYPERTRANSPORT
410 bool "Hypertransport Support for PMC-Sierra Yosemite"
411 depends on PMC_YOSEMITE
414 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
415 depends on EXPERIMENTAL
416 select DMA_NONCOHERENT
417 select HAVE_STD_PC_SERIAL_PORT
423 This enables support for the VR5000-based NEC DDB Vrc-5074
427 bool "Support for NEC DDB Vrc-5476"
428 select DMA_NONCOHERENT
429 select HAVE_STD_PC_SERIAL_PORT
435 This enables support for the R5432-based NEC DDB Vrc-5476
438 Features : kernel debugging, serial terminal, NFS root fs, on-board
439 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
440 IDE controller, PS2 keyboard, PS2 mouse, etc.
443 bool "Support for NEC DDB Vrc-5477"
444 select DMA_NONCOHERENT
449 This enables support for the R5432-based NEC DDB Vrc-5477,
450 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
452 Features : kernel debugging, serial terminal, NFS root fs, on-board
453 ether port USB, AC97, PCI, etc.
455 config DDB5477_BUS_FREQUENCY
456 int "bus frequency (in kHZ, 0 for auto-detect)"
461 bool "Support for Qemu"
463 select GENERIC_ISA_DMA
464 select HAVE_STD_PC_SERIAL_PORT
468 select SYS_SUPPORTS_32BIT_KERNEL
469 select SYS_SUPPORTS_BIG_ENDIAN
471 Qemu is a software emulator which among other architectures also
472 can simulate a MIPS32 4Kc system. This patch adds support for the
473 system architecture that currently is being simulated by Qemu. It
474 will eventually be removed again when Qemu has the capability to
475 simulate actual MIPS hardware platforms. More information on Qemu
476 can be found at http://www.linux-mips.org/wiki/Qemu.
479 bool "Support for SGI IP22 (Indy/Indigo2)"
483 select DMA_NONCOHERENT
484 select IP22_CPU_SCACHE
488 This are the SGI Indy, Challenge S and Indigo2, as well as certain
489 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
490 that runs on these, say Y here.
493 bool "Support for SGI IP27 (Origin200/2000)"
501 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
502 workstations. To compile a Linux kernel that runs on these, say Y
507 # depends on SGI_IP27
508 # This options adds support for userspace processes upto 16TB size.
509 # Normally the limit is just .5TB.
511 config SGI_SN0_N_MODE
515 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
516 configured in either N-Modes which allows for more nodes or M-Mode
517 which allows for more memory. Your system is most probably
518 running in M-Mode, so you should say N here.
520 config ARCH_DISCONTIGMEM_ENABLE
522 default y if SGI_IP27
524 Say Y to upport efficient handling of discontiguous physical memory,
525 for architectures which are either NUMA (Non-Uniform Memory Access)
526 or have huge holes in the physical address space for other reasons.
527 See <file:Documentation/vm/numa> for more.
533 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
534 Access). This option is for configuring high-end multiprocessor
535 server machines. If in doubt, say N.
538 bool "Mapped kernel support"
541 Change the way a Linux kernel is loaded into memory on a MIPS64
542 machine. This is required in order to support text replication and
543 NUMA. If you need to understand it, read the source code.
545 config REPLICATE_KTEXT
546 bool "Kernel text replication support"
549 Say Y here to enable replicating the kernel text across multiple
550 nodes in a NUMA cluster. This trades memory for speed.
552 config REPLICATE_EXHANDLERS
553 bool "Exception handler replication support"
556 Say Y here to enable replicating the kernel exception handlers
557 across multiple nodes in a NUMA cluster. This trades memory for
561 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
562 depends on 64BIT && EXPERIMENTAL
568 select DMA_NONCOHERENT
570 select R5000_CPU_SCACHE
571 select RM7000_CPU_SCACHE
573 If you want this kernel to run on SGI O2 workstation, say Y here.
577 bool "Support for AMD/Alchemy Au1X00 SOCs"
580 prompt "Au1X00 SOC Type"
581 depends on SOC_AU1X00
583 Say Y here to enable support for one of three AMD/Alchemy
584 SOCs. For additional documentation see www.amd.com.
598 prompt "AMD/Alchemy Au1x00 board support"
599 depends on SOC_AU1X00
601 These are evaluation boards built by AMD/Alchemy to
602 showcase their Au1X00 Internet Edge Processors. The SOC design
603 is based on the MIPS32 architecture running at 266/400/500MHz
604 with many integrated peripherals. Further information can be
605 found at their website, <http://www.amd.com/>. Say Y here if you
606 wish to build a kernel for this platform.
610 depends on SOC_AU1000
611 select DMA_NONCOHERENT
617 depends on SOC_AU1100
618 select DMA_NONCOHERENT
624 depends on SOC_AU1500
630 depends on SOC_AU1550
633 select MIPS_DISABLE_OBSOLETE_IDE
637 depends on SOC_AU1000
638 select DMA_NONCOHERENT
643 depends on SOC_AU1100
644 select DMA_NONCOHERENT
648 depends on SOC_AU1500
651 select MIPS_DISABLE_OBSOLETE_IDE
655 depends on SOC_AU1550
658 select MIPS_DISABLE_OBSOLETE_IDE
661 bool "Bosporus board"
662 depends on SOC_AU1500
663 select DMA_NONCOHERENT
667 depends on SOC_AU1500
668 select DMA_NONCOHERENT
671 bool "MyCable XXS1500 board"
672 depends on SOC_AU1500
673 select DMA_NONCOHERENT
676 bool "4G Systems MTX-1 board"
677 depends on SOC_AU1500
679 select DMA_NONCOHERENT
683 config SIBYTE_SB1xxx_SOC
684 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
685 depends on EXPERIMENTAL
691 prompt "BCM1xxx SOC-based board"
692 depends on SIBYTE_SB1xxx_SOC
695 Enable support for boards based on the SiByte line of SOCs
696 from Broadcom. There are configurations for the known
697 evaluation boards, or you can choose "Other" and add your
698 own board support code.
701 bool "BCM91250A-SWARM"
704 config SIBYTE_SENTOSA
705 bool "BCM91250E-Sentosa"
709 bool "BCM91125E-Rhone"
710 select SIBYTE_BCM1125H
713 bool "BCM91120x-Carmel"
714 select SIBYTE_BCM1120
716 config SIBYTE_PTSWARM
717 bool "BCM91250PT-PTSWARM"
720 config SIBYTE_LITTLESUR
721 bool "BCM91250C2-LittleSur"
725 bool "BCM91120C-CRhine"
726 select SIBYTE_BCM1120
729 bool "BCM91125C-CRhone"
730 select SIBYTE_BCM1125
732 config SIBYTE_UNKNOWN
739 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
743 prompt "BCM1xxx SOC Type"
744 depends on SIBYTE_UNKNOWN
745 default SIBYTE_UNK_BCM1250
747 Since you haven't chosen a known evaluation board from
748 Broadcom, you must explicitly pick the SOC this kernel is
751 config SIBYTE_UNK_BCM1250
755 config SIBYTE_UNK_BCM1120
757 select SIBYTE_BCM1120
759 config SIBYTE_UNK_BCM1125
761 select SIBYTE_BCM1125
763 config SIBYTE_UNK_BCM1125H
765 select SIBYTE_BCM1125H
773 config SIBYTE_BCM1120
775 select SIBYTE_BCM112X
777 config SIBYTE_BCM1125
780 select SIBYTE_BCM112X
782 config SIBYTE_BCM1125H
785 select SIBYTE_BCM112X
787 config SIBYTE_BCM112X
791 prompt "SiByte SOC Stepping"
792 depends on SIBYTE_SB1xxx_SOC
794 config CPU_SB1_PASS_1
796 depends on SIBYTE_SB1250
797 select CPU_HAS_PREFETCH
799 config CPU_SB1_PASS_2_1250
801 depends on SIBYTE_SB1250
802 select CPU_SB1_PASS_2
804 Also called BCM1250 Pass 2
806 config CPU_SB1_PASS_2_2
808 depends on SIBYTE_SB1250
809 select CPU_HAS_PREFETCH
811 Also called BCM1250 Pass 2.2
813 config CPU_SB1_PASS_4
815 depends on SIBYTE_SB1250
816 select CPU_HAS_PREFETCH
818 Also called BCM1250 Pass 3
820 config CPU_SB1_PASS_2_112x
822 depends on SIBYTE_BCM112X
823 select CPU_SB1_PASS_2
825 config CPU_SB1_PASS_3
827 depends on SIBYTE_BCM112X
828 select CPU_HAS_PREFETCH
832 config CPU_SB1_PASS_2
835 config SIBYTE_HAS_LDT
837 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
841 bool "Running under simulation"
842 depends on SIBYTE_SB1xxx_SOC
844 Build a kernel suitable for running under the GDB simulator.
845 Primarily adjusts the kernel's notion of time.
848 bool "Booting from CFE"
849 depends on SIBYTE_SB1xxx_SOC
851 Make use of the CFE API for enumerating available memory,
852 controlling secondary CPUs, and possibly console output.
854 config SIBYTE_CFE_CONSOLE
855 bool "Use firmware console"
856 depends on SIBYTE_CFE
858 Use the CFE API's console write routines during boot. Other console
859 options (VT console, sb1250 duart console, etc.) should not be
862 config SIBYTE_STANDALONE
864 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
867 config SIBYTE_STANDALONE_RAM_SIZE
868 int "Memory size (in megabytes)"
869 depends on SIBYTE_STANDALONE
872 config SIBYTE_BUS_WATCHER
873 bool "Support for Bus Watcher statistics"
874 depends on SIBYTE_SB1xxx_SOC
876 Handle and keep statistics on the bus error interrupts (COR_ECC,
879 config SIBYTE_BW_TRACE
880 bool "Capture bus trace before bus error"
881 depends on SIBYTE_BUS_WATCHER
883 Run a continuous bus trace, dumping the raw data as soon as
884 a ZBbus error is detected. Cannot work if ZBbus profiling
885 is turned on, and also will interfere with JTAG-based trace
886 buffer activity. Raw buffer data is dumped to console, and
887 must be processed off-line.
889 config SIBYTE_SB1250_PROF
890 bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
891 depends on SIBYTE_SB1xxx_SOC
894 bool "Support for ZBbus profiling"
895 depends on SIBYTE_SB1xxx_SOC
898 bool "Support for SNI RM200 PCI"
902 select DMA_NONCOHERENT
903 select GENERIC_ISA_DMA
904 select HAVE_STD_PC_SERIAL_PORT
909 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
910 Nixdorf Informationssysteme (SNI), parent company of Pyramid
911 Technology and now in turn merged with Fujitsu. Say Y here to
912 support this machine type.
914 config TOSHIBA_RBTX4927
915 bool "Support for Toshiba TBTX49[23]7 board"
917 select DMA_NONCOHERENT
918 select HAS_TXX9_SERIAL
924 This Toshiba board is based on the TX4927 processor. Say Y here to
925 support this machine type
927 config TOSHIBA_FPCIB0
928 bool "FPCIB0 Backplane Support"
929 depends on TOSHIBA_RBTX4927
931 config RWSEM_GENERIC_SPINLOCK
935 config RWSEM_XCHGADD_ALGORITHM
938 config GENERIC_CALIBRATE_DELAY
947 # Select some configuration options automatically based on user selections.
951 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
962 select DMA_NEED_PCI_MAP_STATE
964 config DMA_NONCOHERENT
966 select DMA_NEED_PCI_MAP_STATE
968 config DMA_NEED_PCI_MAP_STATE
973 depends on MACH_DECSTATION
976 config GENERIC_ISA_DMA
978 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
983 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
992 depends on MIPS_ATLAS || MIPS_MALTA
997 depends on MIPS_ATLAS || MIPS_MALTA
1005 config MIPS_DISABLE_OBSOLETE_IDE
1008 config CPU_LITTLE_ENDIAN
1009 bool "Generate little endian code"
1010 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
1011 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
1013 Some MIPS machines can be configured for either little or big endian
1014 byte order. These modes require different kernels. Say Y if your
1015 machine is little endian, N if it's a big endian machine.
1026 config DDB5XXX_COMMON
1028 depends on DDB5074 || DDB5476 || DDB5477
1031 config MIPS_BOARDS_GEN
1033 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
1038 depends on MIPS_COBALT
1043 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1048 depends on TOSHIBA_JMR3927
1049 select HAS_TXX9_SERIAL
1055 config ITE_BOARD_GEN
1057 depends on MIPS_IVR || MIPS_ITE8172
1060 config SWAP_IO_SPACE
1064 # Unfortunately not all GT64120 systems run the chip at the same clock.
1065 # As the user for the clock rate and try to minimize the available options.
1068 prompt "Galileo Chip Clock"
1069 #default SYSCLK_83 if MIPS_EV64120
1070 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1071 default SYSCLK_83 if MIPS_EV64120
1072 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1075 bool "75" if MIPS_EV64120
1078 bool "83.3" if MIPS_EV64120
1081 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1085 config AU1X00_USB_DEVICE
1087 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1092 depends on MIPS_EV96100
1095 Say Y here to support the Galileo Technology GT96100 communications
1096 controller card. There is a web page at <http://www.galileot.com/>.
1100 depends on MIPS_ITE8172 || MIPS_IVR
1105 depends on MIPS_ITE8172
1110 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1113 config MIPS_L1_CACHE_SHIFT
1115 default "4" if MACH_DECSTATION
1116 default "7" if SGI_IP27
1121 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1124 config HAVE_STD_PC_SERIAL_PORT
1128 bool "ARC console support"
1129 depends on SGI_IP22 || SNI_RM200_PCI
1133 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1138 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1151 #config MAPPED_PCI_IO y
1153 # depends on SGI_IP27
1161 config TOSHIBA_BOARDS
1163 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1168 menu "CPU selection"
1184 Please make sure to pick the right CPU type. Linux/MIPS is not
1185 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1186 *not* work on R4000 machines and vice versa. However, since most
1187 of the supported machines have an R4000 (or similar) CPU, R4x00
1188 might be a safe bet. If the resulting kernel does not work,
1189 try to recompile with R3000.
1198 The options selects support for the NEC VR41xx series of processors.
1199 Only choose this option if you have one of these processors as a
1200 kernel built with this option will not run on any other type of
1201 processor or vice versa.
1206 MIPS Technologies R4300-series processors.
1211 MIPS Technologies R4000-series processors other than 4300, including
1212 the R4000, R4400, R4600, and 4700.
1220 MIPS Technologies R5000-series processors other than the Nevada.
1227 depends on 32BIT && EXPERIMENTAL
1229 MIPS Technologies R6000 and R6000A series processors. Note these
1230 processors are extremly rare and the support for them is incomplete.
1235 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1239 depends on 64BIT && EXPERIMENTAL
1241 MIPS Technologies R8000 processors. Note these processors are
1242 uncommon and the support for them is incomplete.
1247 MIPS Technologies R10000-series processors.
1261 prompt "Kernel page size"
1262 default PAGE_SIZE_4KB
1264 config PAGE_SIZE_4KB
1267 This option select the standard 4kB Linux page size. On some
1268 R3000-family processors this is the only available page size. Using
1269 4kB page size will minimize memory consumption and is therefore
1270 recommended for low memory systems.
1272 config PAGE_SIZE_8KB
1274 depends on EXPERIMENTAL && CPU_R8000
1276 Using 8kB page size will result in higher performance kernel at
1277 the price of higher memory consumption. This option is available
1278 only on the R8000 processor. Not that at the time of this writing
1279 this option is still high experimental; there are also issues with
1280 compatibility of user applications.
1282 config PAGE_SIZE_16KB
1284 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1286 Using 16kB page size will result in higher performance kernel at
1287 the price of higher memory consumption. This option is available on
1288 all non-R3000 family processor. Not that at the time of this
1289 writing this option is still high experimental; there are also
1290 issues with compatibility of user applications.
1292 config PAGE_SIZE_64KB
1294 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1296 Using 64kB page size will result in higher performance kernel at
1297 the price of higher memory consumption. This option is available on
1298 all non-R3000 family processor. Not that at the time of this
1299 writing this option is still high experimental; there are also
1300 issues with compatibility of user applications.
1307 config IP22_CPU_SCACHE
1311 config R5000_CPU_SCACHE
1315 config RM7000_CPU_SCACHE
1319 config SIBYTE_DMA_PAGEOPS
1320 bool "Use DMA to clear/copy pages"
1323 Instead of using the CPU to zero and copy pages, use a Data Mover
1324 channel. These DMA channels are otherwise unused by the standard
1325 SiByte Linux port. Seems to give a small performance benefit.
1327 config CPU_HAS_PREFETCH
1328 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1329 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1332 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1333 default y if CPU_SB1
1335 config SB1_PASS_1_WORKAROUNDS
1337 depends on CPU_SB1_PASS_1
1340 config SB1_PASS_2_WORKAROUNDS
1342 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1345 config SB1_PASS_2_1_WORKAROUNDS
1347 depends on CPU_SB1 && CPU_SB1_PASS_2
1350 config 64BIT_PHYS_ADDR
1351 bool "Support for 64-bit physical address space"
1352 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1355 bool "Override CPU Options"
1358 Saying yes here allows you to select support for various features
1359 your CPU may or may not have. Most people should say N here.
1362 bool "ll/sc Instructions available" if CPU_ADVANCED
1363 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1365 MIPS R4000 series and later provide the Load Linked (ll)
1366 and Store Conditional (sc) instructions. More information is
1367 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1369 Say Y here if your CPU has the ll and sc instructions. Say Y here
1370 for better performance, N if you don't know. You must say Y here
1371 for multiprocessor machines.
1373 config CPU_HAS_LLDSCD
1374 bool "lld/scd Instructions available" if CPU_ADVANCED
1375 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1377 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1378 equivalents of ll and sc. Say Y here for better performance, N if
1379 you don't know. You must say Y here for multiprocessor machines.
1382 bool "Writeback Buffer available" if CPU_ADVANCED
1383 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1385 Say N here for slightly better performance. You must say Y here for
1386 machines which require flushing of write buffers in software. Saying
1387 Y is the safe option; N may result in kernel malfunction and crashes.
1391 depends on !CPU_R3000
1395 # - Highmem only makes sense for the 32-bit kernel.
1396 # - The current highmem code will only work properly on physically indexed
1397 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1398 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1399 # moment we protect the user and offer the highmem option only on machines
1400 # where it's known to be safe. This will not offer highmem on a few systems
1401 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1402 # indexed CPUs but we're playing safe.
1403 # - We should not offer highmem for system of which we already know that they
1404 # don't have memory configurations that could gain from highmem support in
1405 # the kernel because they don't support configurations with RAM at physical
1406 # addresses > 0x20000000.
1409 bool "High Memory Support"
1410 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1412 config ARCH_FLATMEM_ENABLE
1419 bool "Multi-Processing support"
1420 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1422 This enables support for systems with more than one CPU. If you have
1423 a system with only one CPU, like most personal computers, say N. If
1424 you have a system with more than one CPU, say Y.
1426 If you say N here, the kernel will run on single and multiprocessor
1427 machines, but will use only one CPU of a multiprocessor machine. If
1428 you say Y here, the kernel will run on many, but not all,
1429 singleprocessor machines. On a singleprocessor machine, the kernel
1430 will run faster if you say N here.
1432 People using multiprocessor machines who say Y here should also say
1433 Y to "Enhanced Real Time Clock Support", below.
1435 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1436 available at <http://www.tldp.org/docs.html#howto>.
1438 If you don't know what to do here, say N.
1441 int "Maximum number of CPUs (2-64)"
1444 default "64" if SGI_IP27
1447 This allows you to specify the maximum number of CPUs which this
1448 kernel will support. The maximum supported value is 32 for 32-bit
1449 kernel and 64 for 64-bit kernels; the minimum value which makes
1452 This is purely to save memory - each supported CPU adds
1453 approximately eight kilobytes to the kernel image.
1456 bool "Preemptible Kernel"
1458 This option reduces the latency of the kernel when reacting to
1459 real-time or interactive events by allowing a low priority process to
1460 be preempted even if it is in kernel mode executing a system call.
1461 This allows applications to run more reliably even when the system is
1465 bool "DS1742 BRAM/RTC support"
1466 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1468 config MIPS_INSANE_LARGE
1469 bool "Support for large 64-bit configurations"
1470 depends on CPU_R10000 && 64BIT
1472 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1473 previous 64-bit processors which only supported 40 bit / 1TB. If you
1474 need processes of more than 1TB virtual address space, say Y here.
1475 This will result in additional memory usage, so it is not
1476 recommended for normal users.
1478 config RWSEM_GENERIC_SPINLOCK
1484 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1490 bool "Support for PCI controller"
1491 depends on HW_HAS_PCI
1493 Find out whether you have a PCI motherboard. PCI is the name of a
1494 bus system, i.e. the way the CPU talks to the other stuff inside
1495 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1498 The PCI-HOWTO, available from
1499 <http://www.tldp.org/docs.html#howto>, contains valuable
1500 information about which PCI hardware does work under Linux and which
1507 source "drivers/pci/Kconfig"
1510 # ISA support is now enabled via select. Too many systems still have the one
1511 # or other ISA chip on the board that users don't know about so don't expect
1512 # users to choose the right thing ...
1519 depends on SGI_IP22 || SNI_RM200_PCI
1522 The Extended Industry Standard Architecture (EISA) bus was
1523 developed as an open alternative to the IBM MicroChannel bus.
1525 The EISA bus provided some of the features of the IBM MicroChannel
1526 bus while maintaining backward compatibility with cards made for
1527 the older ISA bus. The EISA bus saw limited use between 1988 and
1528 1995 when it was made obsolete by the PCI bus.
1530 Say Y here if you are building a kernel for an EISA-based machine.
1534 source "drivers/eisa/Kconfig"
1537 bool "TURBOchannel support"
1538 depends on MACH_DECSTATION
1540 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1541 processors. Documentation on writing device drivers for TurboChannel
1543 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1546 # bool "Access.Bus support"
1559 source "drivers/pcmcia/Kconfig"
1561 source "drivers/pci/hotplug/Kconfig"
1565 menu "Executable file formats"
1567 source "fs/Kconfig.binfmt"
1574 bool "Use 64-bit ELF format for building"
1577 A 64-bit kernel is usually built using the 64-bit ELF binary object
1578 format as it's one that allows arbitrary 64-bit constructs. For
1579 kernels that are loaded within the KSEG compatibility segments the
1580 32-bit ELF format can optionally be used resulting in a somewhat
1581 smaller binary, but this option is not explicitly supported by the
1582 toolchain and since binutils 2.14 it does not even work at all.
1584 Say Y to use the 64-bit format or N to use the 32-bit one.
1589 bool "Include IRIX binary compatibility"
1590 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1592 config MIPS32_COMPAT
1593 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1596 Select this option if you want Linux/MIPS 32-bit binary
1597 compatibility. Since all software available for Linux/MIPS is
1598 currently 32-bit you should say Y here.
1602 depends on MIPS32_COMPAT
1606 bool "Kernel support for o32 binaries"
1607 depends on MIPS32_COMPAT
1609 Select this option if you want to run o32 binaries. These are pure
1610 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1611 existing binaries are in this format.
1616 bool "Kernel support for n32 binaries"
1617 depends on MIPS32_COMPAT
1619 Select this option if you want to run n32 binaries. These are
1620 64-bit binaries using 32-bit quantities for addressing and certain
1621 data that would normally be 64-bit. They are used in special
1628 default y if MIPS32_O32 || MIPS32_N32
1631 bool "Power Management support (EXPERIMENTAL)"
1632 depends on EXPERIMENTAL && MACH_AU1X00
1636 source "net/Kconfig"
1638 source "drivers/Kconfig"
1642 source "arch/mips/Kconfig.debug"
1644 source "security/Kconfig"
1646 source "crypto/Kconfig"
1648 source "lib/Kconfig"
1651 # Use the generic interrupt handling code in kernel/irq/:
1653 config GENERIC_HARDIRQS
1657 config GENERIC_IRQ_PROBE