4 select ARCH_MIGHT_HAVE_PC_PARPORT
5 select ARCH_MIGHT_HAVE_PC_SERIO
6 select HAVE_CONTEXT_TRACKING
7 select HAVE_GENERIC_DMA_COHERENT
10 select HAVE_PERF_EVENTS
11 select PERF_USE_VMALLOC
13 select HAVE_ARCH_SECCOMP_FILTER
14 select HAVE_ARCH_TRACEHOOK
15 select ARCH_HAVE_CUSTOM_GPIO_H
16 select HAVE_FUNCTION_TRACER
17 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
18 select HAVE_DYNAMIC_FTRACE
19 select HAVE_FTRACE_MCOUNT_RECORD
20 select HAVE_C_RECORDMCOUNT
21 select HAVE_FUNCTION_GRAPH_TRACER
23 select HAVE_KRETPROBES
24 select HAVE_DEBUG_KMEMLEAK
25 select HAVE_SYSCALL_TRACEPOINTS
26 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
27 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
28 select RTC_LIB if !MACH_LOONGSON
29 select GENERIC_ATOMIC64 if !64BIT
30 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
32 select HAVE_DMA_API_DEBUG
33 select GENERIC_IRQ_PROBE
34 select GENERIC_IRQ_SHOW
35 select GENERIC_PCI_IOMAP
36 select HAVE_ARCH_JUMP_LABEL
37 select ARCH_WANT_IPC_PARSE_VERSION
38 select IRQ_FORCED_THREADING
40 select HAVE_MEMBLOCK_NODE_MAP
41 select ARCH_DISCARD_MEMBLOCK
42 select GENERIC_SMP_IDLE_THREAD
43 select BUILDTIME_EXTABLE_SORT
44 select GENERIC_CLOCKEVENTS
45 select GENERIC_CMOS_UPDATE
46 select HAVE_MOD_ARCH_SPECIFIC
48 select MODULES_USE_ELF_REL if MODULES
49 select MODULES_USE_ELF_RELA if MODULES && 64BIT
50 select CLONE_BACKWARDS
51 select HAVE_DEBUG_STACKOVERFLOW
52 select HAVE_CC_STACKPROTECTOR
53 select CPU_PM if CPU_IDLE
54 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
56 menu "Machine selection"
63 bool "Alchemy processor based machines"
64 select 64BIT_PHYS_ADDR
68 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
69 select SYS_HAS_CPU_MIPS32_R1
70 select SYS_SUPPORTS_32BIT_KERNEL
71 select SYS_SUPPORTS_APM_EMULATION
72 select ARCH_REQUIRE_GPIOLIB
73 select SYS_SUPPORTS_ZBOOT
76 bool "Texas Instruments AR7"
78 select DMA_NONCOHERENT
84 select SYS_HAS_CPU_MIPS32_R1
85 select SYS_HAS_EARLY_PRINTK
86 select SYS_SUPPORTS_32BIT_KERNEL
87 select SYS_SUPPORTS_LITTLE_ENDIAN
88 select SYS_SUPPORTS_ZBOOT_UART16550
89 select ARCH_REQUIRE_GPIOLIB
93 Support for the Texas Instruments AR7 System-on-a-Chip
94 family: TNETD7100, 7200 and 7300.
97 bool "Atheros AR71XX/AR724X/AR913X based boards"
98 select ARCH_REQUIRE_GPIOLIB
102 select DMA_NONCOHERENT
107 select SYS_HAS_CPU_MIPS32_R2
108 select SYS_HAS_EARLY_PRINTK
109 select SYS_SUPPORTS_32BIT_KERNEL
110 select SYS_SUPPORTS_BIG_ENDIAN
112 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
115 bool "Broadcom BCM47XX based boards"
116 select ARCH_WANT_OPTIONAL_GPIOLIB
120 select DMA_NONCOHERENT
123 select SYS_HAS_CPU_MIPS32_R1
124 select NO_EXCEPT_FILL
125 select SYS_SUPPORTS_32BIT_KERNEL
126 select SYS_SUPPORTS_LITTLE_ENDIAN
127 select SYS_HAS_EARLY_PRINTK
128 select USE_GENERIC_EARLY_PRINTK_8250
130 Support for BCM47XX based boards
133 bool "Broadcom BCM63XX based boards"
137 select DMA_NONCOHERENT
139 select SYS_SUPPORTS_32BIT_KERNEL
140 select SYS_SUPPORTS_BIG_ENDIAN
141 select SYS_HAS_EARLY_PRINTK
143 select ARCH_REQUIRE_GPIOLIB
145 select MIPS_L1_CACHE_SHIFT_4
147 Support for BCM63XX based boards
154 select DMA_NONCOHERENT
160 select PCI_GT64XXX_PCI0
162 select SYS_HAS_CPU_NEVADA
163 select SYS_HAS_EARLY_PRINTK
164 select SYS_SUPPORTS_32BIT_KERNEL
165 select SYS_SUPPORTS_64BIT_KERNEL
166 select SYS_SUPPORTS_LITTLE_ENDIAN
167 select USE_GENERIC_EARLY_PRINTK_8250
169 config MACH_DECSTATION
176 select CPU_DADDI_WORKAROUNDS if 64BIT
177 select CPU_R4000_WORKAROUNDS if 64BIT
178 select CPU_R4400_WORKAROUNDS if 64BIT
179 select DMA_NONCOHERENT
182 select SYS_HAS_CPU_R3000
183 select SYS_HAS_CPU_R4X00
184 select SYS_SUPPORTS_32BIT_KERNEL
185 select SYS_SUPPORTS_64BIT_KERNEL
186 select SYS_SUPPORTS_LITTLE_ENDIAN
187 select SYS_SUPPORTS_128HZ
188 select SYS_SUPPORTS_256HZ
189 select SYS_SUPPORTS_1024HZ
190 select MIPS_L1_CACHE_SHIFT_4
192 This enables support for DEC's MIPS based workstations. For details
193 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
194 DECstation porting pages on <http://decstation.unix-ag.org/>.
196 If you have one of the following DECstation Models you definitely
197 want to choose R4xx0 for the CPU Type:
204 otherwise choose R3000.
207 bool "Jazz family of machines"
210 select ARCH_MAY_HAVE_PC_FDC
213 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
214 select GENERIC_ISA_DMA
215 select HAVE_PCSPKR_PLATFORM
220 select SYS_HAS_CPU_R4X00
221 select SYS_SUPPORTS_32BIT_KERNEL
222 select SYS_SUPPORTS_64BIT_KERNEL
223 select SYS_SUPPORTS_100HZ
225 This a family of machines based on the MIPS R4030 chipset which was
226 used by several vendors to build RISC/os and Windows NT workstations.
227 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
228 Olivetti M700-10 workstations.
231 bool "Ingenic JZ4740 based machines"
232 select SYS_HAS_CPU_MIPS32_R1
233 select SYS_SUPPORTS_32BIT_KERNEL
234 select SYS_SUPPORTS_LITTLE_ENDIAN
235 select SYS_SUPPORTS_ZBOOT_UART16550
236 select DMA_NONCOHERENT
238 select ARCH_REQUIRE_GPIOLIB
239 select SYS_HAS_EARLY_PRINTK
241 select GENERIC_IRQ_CHIP
244 bool "Lantiq based platforms"
245 select DMA_NONCOHERENT
249 select SYS_HAS_CPU_MIPS32_R1
250 select SYS_HAS_CPU_MIPS32_R2
251 select SYS_SUPPORTS_BIG_ENDIAN
252 select SYS_SUPPORTS_32BIT_KERNEL
253 select SYS_SUPPORTS_MULTITHREADING
254 select SYS_HAS_EARLY_PRINTK
255 select ARCH_REQUIRE_GPIOLIB
258 select HAVE_MACH_CLKDEV
262 select PINCTRL_LANTIQ
265 bool "LASAT Networks platforms"
268 select DMA_NONCOHERENT
269 select SYS_HAS_EARLY_PRINTK
272 select PCI_GT64XXX_PCI0
274 select R5000_CPU_SCACHE
275 select SYS_HAS_CPU_R5000
276 select SYS_SUPPORTS_32BIT_KERNEL
277 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
278 select SYS_SUPPORTS_LITTLE_ENDIAN
281 bool "Loongson family of machines"
282 select SYS_SUPPORTS_ZBOOT
284 This enables the support of Loongson family of machines.
286 Loongson is a family of general-purpose MIPS-compatible CPUs.
287 developed at Institute of Computing Technology (ICT),
288 Chinese Academy of Sciences (CAS) in the People's Republic
289 of China. The chief architect is Professor Weiwu Hu.
291 config MACH_LOONGSON1
292 bool "Loongson 1 family of machines"
293 select SYS_SUPPORTS_ZBOOT
295 This enables support for the Loongson 1 based machines.
297 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
298 the ICT (Institute of Computing Technology) and the Chinese Academy
302 bool "MIPS Malta board"
303 select ARCH_MAY_HAVE_PC_FDC
309 select DMA_MAYBE_COHERENT
310 select GENERIC_ISA_DMA
311 select HAVE_PCSPKR_PLATFORM
318 select MIPS_CPU_SCACHE
319 select PCI_GT64XXX_PCI0
322 select SYS_HAS_CPU_MIPS32_R1
323 select SYS_HAS_CPU_MIPS32_R2
324 select SYS_HAS_CPU_MIPS32_R3_5
325 select SYS_HAS_CPU_MIPS64_R1
326 select SYS_HAS_CPU_MIPS64_R2
327 select SYS_HAS_CPU_NEVADA
328 select SYS_HAS_CPU_RM7000
329 select SYS_SUPPORTS_32BIT_KERNEL
330 select SYS_SUPPORTS_64BIT_KERNEL
331 select SYS_SUPPORTS_BIG_ENDIAN
332 select SYS_SUPPORTS_LITTLE_ENDIAN
333 select SYS_SUPPORTS_MIPS_CMP
334 select SYS_SUPPORTS_MIPS_CPS
335 select SYS_SUPPORTS_MULTITHREADING
336 select SYS_SUPPORTS_SMARTMIPS
337 select SYS_SUPPORTS_ZBOOT
339 This enables support for the MIPS Technologies Malta evaluation
343 bool "MIPS SEAD3 board"
349 select CPU_MIPSR2_IRQ_VI
350 select CPU_MIPSR2_IRQ_EI
351 select DMA_NONCOHERENT
356 select SYS_HAS_CPU_MIPS32_R1
357 select SYS_HAS_CPU_MIPS32_R2
358 select SYS_HAS_CPU_MIPS64_R1
359 select SYS_HAS_EARLY_PRINTK
360 select SYS_SUPPORTS_32BIT_KERNEL
361 select SYS_SUPPORTS_64BIT_KERNEL
362 select SYS_SUPPORTS_BIG_ENDIAN
363 select SYS_SUPPORTS_LITTLE_ENDIAN
364 select SYS_SUPPORTS_SMARTMIPS
365 select SYS_SUPPORTS_MICROMIPS
366 select USB_EHCI_BIG_ENDIAN_DESC
367 select USB_EHCI_BIG_ENDIAN_MMIO
370 This enables support for the MIPS Technologies SEAD3 evaluation
374 bool "NEC EMMA2RH Mark-eins board"
378 This enables support for the NEC Electronics Mark-eins boards.
381 bool "NEC VR4100 series based machines"
384 select SYS_HAS_CPU_VR41XX
385 select ARCH_REQUIRE_GPIOLIB
388 bool "NXP STB220 board"
391 Support for NXP Semiconductors STB220 Development Board.
398 Support for NXP Semiconductors STB225 Development Board.
401 bool "PMC-Sierra MSP chipsets"
404 select DMA_NONCOHERENT
406 select NO_EXCEPT_FILL
408 select SYS_HAS_CPU_MIPS32_R1
409 select SYS_HAS_CPU_MIPS32_R2
410 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_BIG_ENDIAN
414 select SERIAL_8250_CONSOLE
415 select USB_EHCI_BIG_ENDIAN_MMIO
416 select USB_EHCI_BIG_ENDIAN_DESC
418 This adds support for the PMC-Sierra family of Multi-Service
419 Processor System-On-A-Chips. These parts include a number
420 of integrated peripherals, interfaces and DSPs in addition to
421 a variety of MIPS cores.
424 bool "Ralink based machines"
428 select DMA_NONCOHERENT
431 select SYS_HAS_CPU_MIPS32_R1
432 select SYS_HAS_CPU_MIPS32_R2
433 select SYS_SUPPORTS_32BIT_KERNEL
434 select SYS_SUPPORTS_LITTLE_ENDIAN
435 select SYS_HAS_EARLY_PRINTK
436 select HAVE_MACH_CLKDEV
438 select ARCH_HAS_RESET_CONTROLLER
439 select RESET_CONTROLLER
442 bool "SGI IP22 (Indy/Indigo2)"
448 select DEFAULT_SGI_PARTITION
449 select DMA_NONCOHERENT
453 select IP22_CPU_SCACHE
455 select GENERIC_ISA_DMA_SUPPORT_BROKEN
457 select SGI_HAS_INDYDOG
463 select SYS_HAS_CPU_R4X00
464 select SYS_HAS_CPU_R5000
466 # Disable EARLY_PRINTK for now since it leads to overwritten prom
467 # memory during early boot on some machines.
469 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
470 # for a more details discussion
472 # select SYS_HAS_EARLY_PRINTK
473 select SYS_SUPPORTS_32BIT_KERNEL
474 select SYS_SUPPORTS_64BIT_KERNEL
475 select SYS_SUPPORTS_BIG_ENDIAN
476 select MIPS_L1_CACHE_SHIFT_7
478 This are the SGI Indy, Challenge S and Indigo2, as well as certain
479 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
480 that runs on these, say Y here.
483 bool "SGI IP27 (Origin200/2000)"
487 select DEFAULT_SGI_PARTITION
489 select SYS_HAS_EARLY_PRINTK
491 select NR_CPUS_DEFAULT_64
492 select SYS_HAS_CPU_R10000
493 select SYS_SUPPORTS_64BIT_KERNEL
494 select SYS_SUPPORTS_BIG_ENDIAN
495 select SYS_SUPPORTS_NUMA
496 select SYS_SUPPORTS_SMP
497 select MIPS_L1_CACHE_SHIFT_7
499 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
500 workstations. To compile a Linux kernel that runs on these, say Y
504 bool "SGI IP28 (Indigo2 R10k)"
510 select DEFAULT_SGI_PARTITION
511 select DMA_NONCOHERENT
512 select GENERIC_ISA_DMA_SUPPORT_BROKEN
518 select SGI_HAS_INDYDOG
524 select SYS_HAS_CPU_R10000
526 # Disable EARLY_PRINTK for now since it leads to overwritten prom
527 # memory during early boot on some machines.
529 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
530 # for a more details discussion
532 # select SYS_HAS_EARLY_PRINTK
533 select SYS_SUPPORTS_64BIT_KERNEL
534 select SYS_SUPPORTS_BIG_ENDIAN
536 This is the SGI Indigo2 with R10000 processor. To compile a Linux
537 kernel that runs on these, say Y here.
546 select DMA_NONCOHERENT
549 select R5000_CPU_SCACHE
550 select RM7000_CPU_SCACHE
551 select SYS_HAS_CPU_R5000
552 select SYS_HAS_CPU_R10000 if BROKEN
553 select SYS_HAS_CPU_RM7000
554 select SYS_HAS_CPU_NEVADA
555 select SYS_SUPPORTS_64BIT_KERNEL
556 select SYS_SUPPORTS_BIG_ENDIAN
558 If you want this kernel to run on SGI O2 workstation, say Y here.
561 bool "Sibyte BCM91120C-CRhine"
564 select SIBYTE_BCM1120
566 select SYS_HAS_CPU_SB1
567 select SYS_SUPPORTS_BIG_ENDIAN
568 select SYS_SUPPORTS_LITTLE_ENDIAN
571 bool "Sibyte BCM91120x-Carmel"
574 select SIBYTE_BCM1120
576 select SYS_HAS_CPU_SB1
577 select SYS_SUPPORTS_BIG_ENDIAN
578 select SYS_SUPPORTS_LITTLE_ENDIAN
581 bool "Sibyte BCM91125C-CRhone"
584 select SIBYTE_BCM1125
586 select SYS_HAS_CPU_SB1
587 select SYS_SUPPORTS_BIG_ENDIAN
588 select SYS_SUPPORTS_HIGHMEM
589 select SYS_SUPPORTS_LITTLE_ENDIAN
592 bool "Sibyte BCM91125E-Rhone"
595 select SIBYTE_BCM1125H
597 select SYS_HAS_CPU_SB1
598 select SYS_SUPPORTS_BIG_ENDIAN
599 select SYS_SUPPORTS_LITTLE_ENDIAN
602 bool "Sibyte BCM91250A-SWARM"
605 select HAVE_PATA_PLATFORM
608 select SYS_HAS_CPU_SB1
609 select SYS_SUPPORTS_BIG_ENDIAN
610 select SYS_SUPPORTS_HIGHMEM
611 select SYS_SUPPORTS_LITTLE_ENDIAN
612 select ZONE_DMA32 if 64BIT
614 config SIBYTE_LITTLESUR
615 bool "Sibyte BCM91250C2-LittleSur"
618 select HAVE_PATA_PLATFORM
621 select SYS_HAS_CPU_SB1
622 select SYS_SUPPORTS_BIG_ENDIAN
623 select SYS_SUPPORTS_HIGHMEM
624 select SYS_SUPPORTS_LITTLE_ENDIAN
626 config SIBYTE_SENTOSA
627 bool "Sibyte BCM91250E-Sentosa"
632 select SYS_HAS_CPU_SB1
633 select SYS_SUPPORTS_BIG_ENDIAN
634 select SYS_SUPPORTS_LITTLE_ENDIAN
637 bool "Sibyte BCM91480B-BigSur"
640 select NR_CPUS_DEFAULT_4
641 select SIBYTE_BCM1x80
643 select SYS_HAS_CPU_SB1
644 select SYS_SUPPORTS_BIG_ENDIAN
645 select SYS_SUPPORTS_HIGHMEM
646 select SYS_SUPPORTS_LITTLE_ENDIAN
647 select ZONE_DMA32 if 64BIT
650 bool "SNI RM200/300/400"
651 select FW_ARC if CPU_LITTLE_ENDIAN
652 select FW_ARC32 if CPU_LITTLE_ENDIAN
653 select FW_SNIPROM if CPU_BIG_ENDIAN
654 select ARCH_MAY_HAVE_PC_FDC
658 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
659 select DMA_NONCOHERENT
660 select GENERIC_ISA_DMA
661 select HAVE_PCSPKR_PLATFORM
668 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
669 select SYS_HAS_CPU_R4X00
670 select SYS_HAS_CPU_R5000
671 select SYS_HAS_CPU_R10000
672 select R5000_CPU_SCACHE
673 select SYS_HAS_EARLY_PRINTK
674 select SYS_SUPPORTS_32BIT_KERNEL
675 select SYS_SUPPORTS_64BIT_KERNEL
676 select SYS_SUPPORTS_BIG_ENDIAN
677 select SYS_SUPPORTS_HIGHMEM
678 select SYS_SUPPORTS_LITTLE_ENDIAN
679 select USE_GENERIC_EARLY_PRINTK_8250
681 The SNI RM200/300/400 are MIPS-based machines manufactured by
682 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
683 Technology and now in turn merged with Fujitsu. Say Y here to
684 support this machine type.
687 bool "Toshiba TX39 series based machines"
690 bool "Toshiba TX49 series based machines"
692 config MIKROTIK_RB532
693 bool "Mikrotik RB532 boards"
696 select DMA_NONCOHERENT
699 select SYS_HAS_CPU_MIPS32_R1
700 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_LITTLE_ENDIAN
704 select ARCH_REQUIRE_GPIOLIB
705 select MIPS_L1_CACHE_SHIFT_4
707 Support the Mikrotik(tm) RouterBoard 532 series,
708 based on the IDT RC32434 SoC.
710 config CAVIUM_OCTEON_SOC
711 bool "Cavium Networks Octeon SoC based boards"
713 select 64BIT_PHYS_ADDR
715 select SYS_SUPPORTS_64BIT_KERNEL
716 select SYS_SUPPORTS_BIG_ENDIAN
718 select SYS_SUPPORTS_HOTPLUG_CPU
719 select SYS_HAS_EARLY_PRINTK
720 select SYS_HAS_CPU_CAVIUM_OCTEON
725 select ARCH_REQUIRE_GPIOLIB
727 This option supports all of the Octeon reference boards from Cavium
728 Networks. It builds a kernel that dynamically determines the Octeon
729 CPU type and supports all known board reference implementations.
730 Some of the supported boards are:
737 Say Y here for most Octeon reference boards.
740 bool "Netlogic XLR/XLS based systems"
743 select SYS_HAS_CPU_XLR
744 select SYS_SUPPORTS_SMP
747 select SYS_SUPPORTS_32BIT_KERNEL
748 select SYS_SUPPORTS_64BIT_KERNEL
749 select 64BIT_PHYS_ADDR
750 select SYS_SUPPORTS_BIG_ENDIAN
751 select SYS_SUPPORTS_HIGHMEM
753 select NR_CPUS_DEFAULT_32
757 select ZONE_DMA32 if 64BIT
759 select SYS_HAS_EARLY_PRINTK
760 select SYS_SUPPORTS_ZBOOT
761 select SYS_SUPPORTS_ZBOOT_UART16550
763 Support for systems based on Netlogic XLR and XLS processors.
764 Say Y here if you have a XLR or XLS based board.
767 bool "Netlogic XLP based systems"
770 select SYS_HAS_CPU_XLP
771 select SYS_SUPPORTS_SMP
773 select SYS_SUPPORTS_32BIT_KERNEL
774 select SYS_SUPPORTS_64BIT_KERNEL
775 select 64BIT_PHYS_ADDR
776 select SYS_SUPPORTS_BIG_ENDIAN
777 select SYS_SUPPORTS_LITTLE_ENDIAN
778 select SYS_SUPPORTS_HIGHMEM
780 select NR_CPUS_DEFAULT_32
784 select ZONE_DMA32 if 64BIT
786 select SYS_HAS_EARLY_PRINTK
788 select SYS_SUPPORTS_ZBOOT
789 select SYS_SUPPORTS_ZBOOT_UART16550
791 This board is based on Netlogic XLP Processor.
792 Say Y here if you have a XLP based board.
796 source "arch/mips/alchemy/Kconfig"
797 source "arch/mips/ath79/Kconfig"
798 source "arch/mips/bcm47xx/Kconfig"
799 source "arch/mips/bcm63xx/Kconfig"
800 source "arch/mips/jazz/Kconfig"
801 source "arch/mips/jz4740/Kconfig"
802 source "arch/mips/lantiq/Kconfig"
803 source "arch/mips/lasat/Kconfig"
804 source "arch/mips/pmcs-msp71xx/Kconfig"
805 source "arch/mips/ralink/Kconfig"
806 source "arch/mips/sgi-ip27/Kconfig"
807 source "arch/mips/sibyte/Kconfig"
808 source "arch/mips/txx9/Kconfig"
809 source "arch/mips/vr41xx/Kconfig"
810 source "arch/mips/cavium-octeon/Kconfig"
811 source "arch/mips/loongson/Kconfig"
812 source "arch/mips/loongson1/Kconfig"
813 source "arch/mips/netlogic/Kconfig"
817 config RWSEM_GENERIC_SPINLOCK
821 config RWSEM_XCHGADD_ALGORITHM
824 config ARCH_HAS_ILOG2_U32
828 config ARCH_HAS_ILOG2_U64
832 config GENERIC_HWEIGHT
836 config GENERIC_CALIBRATE_DELAY
840 config SCHED_OMIT_FRAME_POINTER
845 # Select some configuration options automatically based on user selections.
850 config ARCH_MAY_HAVE_PC_FDC
895 select ARCH_REQUIRE_GPIOLIB
901 config ARCH_DMA_ADDR_T_64BIT
902 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
904 config DMA_MAYBE_COHERENT
905 select DMA_NONCOHERENT
911 config DMA_NONCOHERENT
913 select NEED_DMA_MAP_STATE
915 config NEED_DMA_MAP_STATE
918 config SYS_HAS_EARLY_PRINTK
922 bool "Support for hot-pluggable CPUs"
923 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
925 Say Y here to allow turning CPUs off and on. CPUs can be
926 controlled through /sys/devices/system/cpu.
927 (Note: power management support will enable this option
928 automatically on SMP systems. )
929 Say N if you want to disable CPU hotplug.
931 config SYS_SUPPORTS_HOTPLUG_CPU
955 config GENERIC_ISA_DMA
957 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
960 config GENERIC_ISA_DMA_SUPPORT_BROKEN
962 select GENERIC_ISA_DMA
971 # Endianness selection. Sufficiently obscure so many users don't know what to
972 # answer,so we try hard to limit the available choices. Also the use of a
973 # choice statement should be more obvious to the user.
976 prompt "Endianness selection"
978 Some MIPS machines can be configured for either little or big endian
979 byte order. These modes require different kernels and a different
980 Linux distribution. In general there is one preferred byteorder for a
981 particular system but some systems are just as commonly used in the
982 one or the other endianness.
984 config CPU_BIG_ENDIAN
986 depends on SYS_SUPPORTS_BIG_ENDIAN
988 config CPU_LITTLE_ENDIAN
990 depends on SYS_SUPPORTS_LITTLE_ENDIAN
997 config SYS_SUPPORTS_APM_EMULATION
1000 config SYS_SUPPORTS_BIG_ENDIAN
1003 config SYS_SUPPORTS_LITTLE_ENDIAN
1006 config SYS_SUPPORTS_HUGETLBFS
1008 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1011 config MIPS_HUGE_TLB_SUPPORT
1012 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1036 config PCI_GT64XXX_PCI0
1039 config NO_EXCEPT_FILL
1046 select DMA_NONCOHERENT
1048 select SWAP_IO_SPACE
1049 select SYS_HAS_CPU_R5500
1050 select SYS_SUPPORTS_32BIT_KERNEL
1051 select SYS_SUPPORTS_64BIT_KERNEL
1052 select SYS_SUPPORTS_BIG_ENDIAN
1059 select DMA_NONCOHERENT
1060 select SYS_HAS_CPU_MIPS32_R2
1061 select SYS_SUPPORTS_32BIT_KERNEL
1062 select SYS_SUPPORTS_LITTLE_ENDIAN
1063 select SYS_SUPPORTS_BIG_ENDIAN
1064 select CPU_MIPSR2_IRQ_VI
1070 config SWAP_IO_SPACE
1073 config SGI_HAS_INDYDOG
1085 config SGI_HAS_ZILOG
1088 config SGI_HAS_I8042
1091 config DEFAULT_SGI_PARTITION
1103 config MIPS_L1_CACHE_SHIFT_4
1106 config MIPS_L1_CACHE_SHIFT_5
1109 config MIPS_L1_CACHE_SHIFT_6
1112 config MIPS_L1_CACHE_SHIFT_7
1115 config MIPS_L1_CACHE_SHIFT
1117 default "4" if MIPS_L1_CACHE_SHIFT_4
1118 default "5" if MIPS_L1_CACHE_SHIFT_5
1119 default "6" if MIPS_L1_CACHE_SHIFT_6
1120 default "7" if MIPS_L1_CACHE_SHIFT_7
1123 config HAVE_STD_PC_SERIAL_PORT
1127 bool "ARC console support"
1128 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1132 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1137 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1146 menu "CPU selection"
1152 config CPU_LOONGSON3
1153 bool "Loongson 3 CPU"
1154 depends on SYS_HAS_CPU_LOONGSON3
1155 select CPU_SUPPORTS_64BIT_KERNEL
1156 select CPU_SUPPORTS_HIGHMEM
1157 select CPU_SUPPORTS_HUGEPAGES
1158 select WEAK_ORDERING
1159 select WEAK_REORDERING_BEYOND_LLSC
1161 The Loongson 3 processor implements the MIPS64R2 instruction
1162 set with many extensions.
1164 config CPU_LOONGSON2E
1166 depends on SYS_HAS_CPU_LOONGSON2E
1167 select CPU_LOONGSON2
1169 The Loongson 2E processor implements the MIPS III instruction set
1170 with many extensions.
1172 It has an internal FPGA northbridge, which is compatible to
1175 config CPU_LOONGSON2F
1177 depends on SYS_HAS_CPU_LOONGSON2F
1178 select CPU_LOONGSON2
1179 select ARCH_REQUIRE_GPIOLIB
1181 The Loongson 2F processor implements the MIPS III instruction set
1182 with many extensions.
1184 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1185 have a similar programming interface with FPGA northbridge used in
1188 config CPU_LOONGSON1B
1190 depends on SYS_HAS_CPU_LOONGSON1B
1191 select CPU_LOONGSON1
1193 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1194 release 2 instruction set.
1196 config CPU_MIPS32_R1
1197 bool "MIPS32 Release 1"
1198 depends on SYS_HAS_CPU_MIPS32_R1
1199 select CPU_HAS_PREFETCH
1200 select CPU_SUPPORTS_32BIT_KERNEL
1201 select CPU_SUPPORTS_HIGHMEM
1203 Choose this option to build a kernel for release 1 or later of the
1204 MIPS32 architecture. Most modern embedded systems with a 32-bit
1205 MIPS processor are based on a MIPS32 processor. If you know the
1206 specific type of processor in your system, choose those that one
1207 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1208 Release 2 of the MIPS32 architecture is available since several
1209 years so chances are you even have a MIPS32 Release 2 processor
1210 in which case you should choose CPU_MIPS32_R2 instead for better
1213 config CPU_MIPS32_R2
1214 bool "MIPS32 Release 2"
1215 depends on SYS_HAS_CPU_MIPS32_R2
1216 select CPU_HAS_PREFETCH
1217 select CPU_SUPPORTS_32BIT_KERNEL
1218 select CPU_SUPPORTS_HIGHMEM
1219 select CPU_SUPPORTS_MSA
1222 Choose this option to build a kernel for release 2 or later of the
1223 MIPS32 architecture. Most modern embedded systems with a 32-bit
1224 MIPS processor are based on a MIPS32 processor. If you know the
1225 specific type of processor in your system, choose those that one
1226 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1228 config CPU_MIPS64_R1
1229 bool "MIPS64 Release 1"
1230 depends on SYS_HAS_CPU_MIPS64_R1
1231 select CPU_HAS_PREFETCH
1232 select CPU_SUPPORTS_32BIT_KERNEL
1233 select CPU_SUPPORTS_64BIT_KERNEL
1234 select CPU_SUPPORTS_HIGHMEM
1235 select CPU_SUPPORTS_HUGEPAGES
1237 Choose this option to build a kernel for release 1 or later of the
1238 MIPS64 architecture. Many modern embedded systems with a 64-bit
1239 MIPS processor are based on a MIPS64 processor. If you know the
1240 specific type of processor in your system, choose those that one
1241 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1242 Release 2 of the MIPS64 architecture is available since several
1243 years so chances are you even have a MIPS64 Release 2 processor
1244 in which case you should choose CPU_MIPS64_R2 instead for better
1247 config CPU_MIPS64_R2
1248 bool "MIPS64 Release 2"
1249 depends on SYS_HAS_CPU_MIPS64_R2
1250 select CPU_HAS_PREFETCH
1251 select CPU_SUPPORTS_32BIT_KERNEL
1252 select CPU_SUPPORTS_64BIT_KERNEL
1253 select CPU_SUPPORTS_HIGHMEM
1254 select CPU_SUPPORTS_HUGEPAGES
1255 select CPU_SUPPORTS_MSA
1257 Choose this option to build a kernel for release 2 or later of the
1258 MIPS64 architecture. Many modern embedded systems with a 64-bit
1259 MIPS processor are based on a MIPS64 processor. If you know the
1260 specific type of processor in your system, choose those that one
1261 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1265 depends on SYS_HAS_CPU_R3000
1267 select CPU_SUPPORTS_32BIT_KERNEL
1268 select CPU_SUPPORTS_HIGHMEM
1270 Please make sure to pick the right CPU type. Linux/MIPS is not
1271 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1272 *not* work on R4000 machines and vice versa. However, since most
1273 of the supported machines have an R4000 (or similar) CPU, R4x00
1274 might be a safe bet. If the resulting kernel does not work,
1275 try to recompile with R3000.
1279 depends on SYS_HAS_CPU_TX39XX
1280 select CPU_SUPPORTS_32BIT_KERNEL
1284 depends on SYS_HAS_CPU_VR41XX
1285 select CPU_SUPPORTS_32BIT_KERNEL
1286 select CPU_SUPPORTS_64BIT_KERNEL
1288 The options selects support for the NEC VR4100 series of processors.
1289 Only choose this option if you have one of these processors as a
1290 kernel built with this option will not run on any other type of
1291 processor or vice versa.
1295 depends on SYS_HAS_CPU_R4300
1296 select CPU_SUPPORTS_32BIT_KERNEL
1297 select CPU_SUPPORTS_64BIT_KERNEL
1299 MIPS Technologies R4300-series processors.
1303 depends on SYS_HAS_CPU_R4X00
1304 select CPU_SUPPORTS_32BIT_KERNEL
1305 select CPU_SUPPORTS_64BIT_KERNEL
1306 select CPU_SUPPORTS_HUGEPAGES
1308 MIPS Technologies R4000-series processors other than 4300, including
1309 the R4000, R4400, R4600, and 4700.
1313 depends on SYS_HAS_CPU_TX49XX
1314 select CPU_HAS_PREFETCH
1315 select CPU_SUPPORTS_32BIT_KERNEL
1316 select CPU_SUPPORTS_64BIT_KERNEL
1317 select CPU_SUPPORTS_HUGEPAGES
1321 depends on SYS_HAS_CPU_R5000
1322 select CPU_SUPPORTS_32BIT_KERNEL
1323 select CPU_SUPPORTS_64BIT_KERNEL
1324 select CPU_SUPPORTS_HUGEPAGES
1326 MIPS Technologies R5000-series processors other than the Nevada.
1330 depends on SYS_HAS_CPU_R5432
1331 select CPU_SUPPORTS_32BIT_KERNEL
1332 select CPU_SUPPORTS_64BIT_KERNEL
1333 select CPU_SUPPORTS_HUGEPAGES
1337 depends on SYS_HAS_CPU_R5500
1338 select CPU_SUPPORTS_32BIT_KERNEL
1339 select CPU_SUPPORTS_64BIT_KERNEL
1340 select CPU_SUPPORTS_HUGEPAGES
1342 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1347 depends on SYS_HAS_CPU_R6000
1348 select CPU_SUPPORTS_32BIT_KERNEL
1350 MIPS Technologies R6000 and R6000A series processors. Note these
1351 processors are extremely rare and the support for them is incomplete.
1355 depends on SYS_HAS_CPU_NEVADA
1356 select CPU_SUPPORTS_32BIT_KERNEL
1357 select CPU_SUPPORTS_64BIT_KERNEL
1358 select CPU_SUPPORTS_HUGEPAGES
1360 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1364 depends on SYS_HAS_CPU_R8000
1365 select CPU_HAS_PREFETCH
1366 select CPU_SUPPORTS_64BIT_KERNEL
1368 MIPS Technologies R8000 processors. Note these processors are
1369 uncommon and the support for them is incomplete.
1373 depends on SYS_HAS_CPU_R10000
1374 select CPU_HAS_PREFETCH
1375 select CPU_SUPPORTS_32BIT_KERNEL
1376 select CPU_SUPPORTS_64BIT_KERNEL
1377 select CPU_SUPPORTS_HIGHMEM
1378 select CPU_SUPPORTS_HUGEPAGES
1380 MIPS Technologies R10000-series processors.
1384 depends on SYS_HAS_CPU_RM7000
1385 select CPU_HAS_PREFETCH
1386 select CPU_SUPPORTS_32BIT_KERNEL
1387 select CPU_SUPPORTS_64BIT_KERNEL
1388 select CPU_SUPPORTS_HIGHMEM
1389 select CPU_SUPPORTS_HUGEPAGES
1393 depends on SYS_HAS_CPU_SB1
1394 select CPU_SUPPORTS_32BIT_KERNEL
1395 select CPU_SUPPORTS_64BIT_KERNEL
1396 select CPU_SUPPORTS_HIGHMEM
1397 select CPU_SUPPORTS_HUGEPAGES
1398 select WEAK_ORDERING
1400 config CPU_CAVIUM_OCTEON
1401 bool "Cavium Octeon processor"
1402 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1403 select ARCH_SPARSEMEM_ENABLE
1404 select CPU_HAS_PREFETCH
1405 select CPU_SUPPORTS_64BIT_KERNEL
1406 select SYS_SUPPORTS_SMP
1407 select NR_CPUS_DEFAULT_16
1408 select WEAK_ORDERING
1409 select CPU_SUPPORTS_HIGHMEM
1410 select CPU_SUPPORTS_HUGEPAGES
1413 select USB_EHCI_BIG_ENDIAN_MMIO
1414 select MIPS_L1_CACHE_SHIFT_7
1416 The Cavium Octeon processor is a highly integrated chip containing
1417 many ethernet hardware widgets for networking tasks. The processor
1418 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1419 Full details can be found at http://www.caviumnetworks.com.
1422 bool "Broadcom BMIPS"
1423 depends on SYS_HAS_CPU_BMIPS
1425 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1426 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1427 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1428 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1429 select CPU_SUPPORTS_32BIT_KERNEL
1430 select DMA_NONCOHERENT
1432 select SWAP_IO_SPACE
1433 select WEAK_ORDERING
1434 select CPU_SUPPORTS_HIGHMEM
1435 select CPU_HAS_PREFETCH
1437 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1440 bool "Netlogic XLR SoC"
1441 depends on SYS_HAS_CPU_XLR
1442 select CPU_SUPPORTS_32BIT_KERNEL
1443 select CPU_SUPPORTS_64BIT_KERNEL
1444 select CPU_SUPPORTS_HIGHMEM
1445 select CPU_SUPPORTS_HUGEPAGES
1446 select WEAK_ORDERING
1447 select WEAK_REORDERING_BEYOND_LLSC
1449 Netlogic Microsystems XLR/XLS processors.
1452 bool "Netlogic XLP SoC"
1453 depends on SYS_HAS_CPU_XLP
1454 select CPU_SUPPORTS_32BIT_KERNEL
1455 select CPU_SUPPORTS_64BIT_KERNEL
1456 select CPU_SUPPORTS_HIGHMEM
1457 select WEAK_ORDERING
1458 select WEAK_REORDERING_BEYOND_LLSC
1459 select CPU_HAS_PREFETCH
1462 Netlogic Microsystems XLP processors.
1465 config CPU_MIPS32_3_5_FEATURES
1466 bool "MIPS32 Release 3.5 Features"
1467 depends on SYS_HAS_CPU_MIPS32_R3_5
1468 depends on CPU_MIPS32_R2
1470 Choose this option to build a kernel for release 2 or later of the
1471 MIPS32 architecture including features from the 3.5 release such as
1472 support for Enhanced Virtual Addressing (EVA).
1474 config CPU_MIPS32_3_5_EVA
1475 bool "Enhanced Virtual Addressing (EVA)"
1476 depends on CPU_MIPS32_3_5_FEATURES
1480 Choose this option if you want to enable the Enhanced Virtual
1481 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1482 One of its primary benefits is an increase in the maximum size
1483 of lowmem (up to 3GB). If unsure, say 'N' here.
1486 config CPU_NOP_WORKAROUNDS
1489 config CPU_JUMP_WORKAROUNDS
1492 config CPU_LOONGSON2F_WORKAROUNDS
1493 bool "Loongson 2F Workarounds"
1495 select CPU_NOP_WORKAROUNDS
1496 select CPU_JUMP_WORKAROUNDS
1498 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1499 require workarounds. Without workarounds the system may hang
1500 unexpectedly. For more information please refer to the gas
1501 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1503 Loongson 2F03 and later have fixed these issues and no workarounds
1504 are needed. The workarounds have no significant side effect on them
1505 but may decrease the performance of the system so this option should
1506 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1509 If unsure, please say Y.
1510 endif # CPU_LOONGSON2F
1512 config SYS_SUPPORTS_ZBOOT
1514 select HAVE_KERNEL_GZIP
1515 select HAVE_KERNEL_BZIP2
1516 select HAVE_KERNEL_LZ4
1517 select HAVE_KERNEL_LZMA
1518 select HAVE_KERNEL_LZO
1519 select HAVE_KERNEL_XZ
1521 config SYS_SUPPORTS_ZBOOT_UART16550
1523 select SYS_SUPPORTS_ZBOOT
1525 config CPU_LOONGSON2
1527 select CPU_SUPPORTS_32BIT_KERNEL
1528 select CPU_SUPPORTS_64BIT_KERNEL
1529 select CPU_SUPPORTS_HIGHMEM
1530 select CPU_SUPPORTS_HUGEPAGES
1532 config CPU_LOONGSON1
1536 select CPU_HAS_PREFETCH
1537 select CPU_SUPPORTS_32BIT_KERNEL
1538 select CPU_SUPPORTS_HIGHMEM
1540 config CPU_BMIPS32_3300
1541 select SMP_UP if SMP
1544 config CPU_BMIPS4350
1546 select SYS_SUPPORTS_SMP
1547 select SYS_SUPPORTS_HOTPLUG_CPU
1549 config CPU_BMIPS4380
1551 select SYS_SUPPORTS_SMP
1552 select SYS_SUPPORTS_HOTPLUG_CPU
1554 config CPU_BMIPS5000
1556 select MIPS_CPU_SCACHE
1557 select SYS_SUPPORTS_SMP
1558 select SYS_SUPPORTS_HOTPLUG_CPU
1560 config SYS_HAS_CPU_LOONGSON3
1562 select CPU_SUPPORTS_CPUFREQ
1564 config SYS_HAS_CPU_LOONGSON2E
1567 config SYS_HAS_CPU_LOONGSON2F
1569 select CPU_SUPPORTS_CPUFREQ
1570 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1571 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1573 config SYS_HAS_CPU_LOONGSON1B
1576 config SYS_HAS_CPU_MIPS32_R1
1579 config SYS_HAS_CPU_MIPS32_R2
1582 config SYS_HAS_CPU_MIPS32_R3_5
1585 config SYS_HAS_CPU_MIPS64_R1
1588 config SYS_HAS_CPU_MIPS64_R2
1591 config SYS_HAS_CPU_R3000
1594 config SYS_HAS_CPU_TX39XX
1597 config SYS_HAS_CPU_VR41XX
1600 config SYS_HAS_CPU_R4300
1603 config SYS_HAS_CPU_R4X00
1606 config SYS_HAS_CPU_TX49XX
1609 config SYS_HAS_CPU_R5000
1612 config SYS_HAS_CPU_R5432
1615 config SYS_HAS_CPU_R5500
1618 config SYS_HAS_CPU_R6000
1621 config SYS_HAS_CPU_NEVADA
1624 config SYS_HAS_CPU_R8000
1627 config SYS_HAS_CPU_R10000
1630 config SYS_HAS_CPU_RM7000
1633 config SYS_HAS_CPU_SB1
1636 config SYS_HAS_CPU_CAVIUM_OCTEON
1639 config SYS_HAS_CPU_BMIPS
1642 config SYS_HAS_CPU_BMIPS32_3300
1644 select SYS_HAS_CPU_BMIPS
1646 config SYS_HAS_CPU_BMIPS4350
1648 select SYS_HAS_CPU_BMIPS
1650 config SYS_HAS_CPU_BMIPS4380
1652 select SYS_HAS_CPU_BMIPS
1654 config SYS_HAS_CPU_BMIPS5000
1656 select SYS_HAS_CPU_BMIPS
1658 config SYS_HAS_CPU_XLR
1661 config SYS_HAS_CPU_XLP
1665 # CPU may reorder R->R, R->W, W->R, W->W
1666 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1668 config WEAK_ORDERING
1672 # CPU may reorder reads and writes beyond LL/SC
1673 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1675 config WEAK_REORDERING_BEYOND_LLSC
1680 # These two indicate any level of the MIPS32 and MIPS64 architecture
1684 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1688 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1691 # These two indicate the revision of the architecture, either Release 1 or Release 2
1695 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1699 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1704 config SYS_SUPPORTS_32BIT_KERNEL
1706 config SYS_SUPPORTS_64BIT_KERNEL
1708 config CPU_SUPPORTS_32BIT_KERNEL
1710 config CPU_SUPPORTS_64BIT_KERNEL
1712 config CPU_SUPPORTS_CPUFREQ
1714 config CPU_SUPPORTS_ADDRWINCFG
1716 config CPU_SUPPORTS_HUGEPAGES
1718 config CPU_SUPPORTS_UNCACHED_ACCELERATED
1720 config MIPS_PGD_C0_CONTEXT
1722 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1725 # Set to y for ptrace access to watch registers.
1727 config HARDWARE_WATCHPOINTS
1729 default y if CPU_MIPSR1 || CPU_MIPSR2
1734 prompt "Kernel code model"
1736 You should only select this option if you have a workload that
1737 actually benefits from 64-bit processing or if your machine has
1738 large memory. You will only be presented a single option in this
1739 menu if your system does not support both 32-bit and 64-bit kernels.
1742 bool "32-bit kernel"
1743 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1746 Select this option if you want to build a 32-bit kernel.
1748 bool "64-bit kernel"
1749 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1751 Select this option if you want to build a 64-bit kernel.
1756 bool "KVM Guest Kernel"
1757 depends on BROKEN_ON_SMP
1759 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1761 config KVM_HOST_FREQ
1762 int "KVM Host Processor Frequency (MHz)"
1763 depends on KVM_GUEST
1766 Select this option if building a guest kernel for KVM to skip
1767 RTC emulation when determining guest CPU Frequency. Instead, the guest
1768 processor frequency is automatically derived from the host frequency.
1771 prompt "Kernel page size"
1772 default PAGE_SIZE_4KB
1774 config PAGE_SIZE_4KB
1776 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
1778 This option select the standard 4kB Linux page size. On some
1779 R3000-family processors this is the only available page size. Using
1780 4kB page size will minimize memory consumption and is therefore
1781 recommended for low memory systems.
1783 config PAGE_SIZE_8KB
1785 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1787 Using 8kB page size will result in higher performance kernel at
1788 the price of higher memory consumption. This option is available
1789 only on R8000 and cnMIPS processors. Note that you will need a
1790 suitable Linux distribution to support this.
1792 config PAGE_SIZE_16KB
1794 depends on !CPU_R3000 && !CPU_TX39XX
1796 Using 16kB page size will result in higher performance kernel at
1797 the price of higher memory consumption. This option is available on
1798 all non-R3000 family processors. Note that you will need a suitable
1799 Linux distribution to support this.
1801 config PAGE_SIZE_32KB
1803 depends on CPU_CAVIUM_OCTEON
1805 Using 32kB page size will result in higher performance kernel at
1806 the price of higher memory consumption. This option is available
1807 only on cnMIPS cores. Note that you will need a suitable Linux
1808 distribution to support this.
1810 config PAGE_SIZE_64KB
1812 depends on !CPU_R3000 && !CPU_TX39XX
1814 Using 64kB page size will result in higher performance kernel at
1815 the price of higher memory consumption. This option is available on
1816 all non-R3000 family processor. Not that at the time of this
1817 writing this option is still high experimental.
1821 config FORCE_MAX_ZONEORDER
1822 int "Maximum zone order"
1823 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1824 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1825 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1826 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1827 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1828 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1832 The kernel memory allocator divides physically contiguous memory
1833 blocks into "zones", where each zone is a power of two number of
1834 pages. This option selects the largest power of two that the kernel
1835 keeps in the memory allocator. If you need to allocate very large
1836 blocks of physically contiguous memory, then you may need to
1837 increase this value.
1839 This config option is actually maximum order plus one. For example,
1840 a value of 11 means that the largest free memory block is 2^10 pages.
1842 The page size is not necessarily 4KB. Keep this in mind
1843 when choosing a value for this option.
1846 bool "Use GIC global counter for clock events"
1847 depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
1849 Use the GIC global counter for the clock events. The R4K clock
1850 event driver is always present, so if the platform ends up not
1851 detecting a GIC, it will fall back to the R4K timer for the
1852 generation of clock events.
1857 config IP22_CPU_SCACHE
1862 # Support for a MIPS32 / MIPS64 style S-caches
1864 config MIPS_CPU_SCACHE
1867 select MIPS_L1_CACHE_SHIFT_6
1869 config R5000_CPU_SCACHE
1873 config RM7000_CPU_SCACHE
1877 config SIBYTE_DMA_PAGEOPS
1878 bool "Use DMA to clear/copy pages"
1881 Instead of using the CPU to zero and copy pages, use a Data Mover
1882 channel. These DMA channels are otherwise unused by the standard
1883 SiByte Linux port. Seems to give a small performance benefit.
1885 config CPU_HAS_PREFETCH
1888 config CPU_GENERIC_DUMP_TLB
1890 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
1894 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1896 config CPU_R4K_CACHE_TLB
1898 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1901 prompt "MIPS MT options"
1903 config MIPS_MT_DISABLED
1904 bool "Disable multithreading support"
1906 Use this option if your platform does not support the MT ASE
1907 which is hardware multithreading support. On systems without
1908 an MT-enabled processor, this will be the only option that is
1909 available in this menu.
1912 bool "Use 1 TC on each available VPE for SMP"
1913 depends on SYS_SUPPORTS_MULTITHREADING
1914 select CPU_MIPSR2_IRQ_VI
1915 select CPU_MIPSR2_IRQ_EI
1921 select SYS_SUPPORTS_SMP
1922 select SYS_SUPPORTS_SCHED_SMT
1923 select MIPS_PERF_SHARED_TC_COUNTERS
1925 This is a kernel model which is known as SMVP. This is supported
1926 on cores with the MT ASE and uses the available VPEs to implement
1927 virtual processors which supports SMP. This is equivalent to the
1928 Intel Hyperthreading feature. For further information go to
1929 <http://www.imgtec.com/mips/mips-multithreading.asp>.
1932 bool "Use all TCs on all VPEs for SMP (DEPRECATED)"
1933 depends on CPU_MIPS32_R2
1934 depends on SYS_SUPPORTS_MULTITHREADING
1935 depends on !MIPS_CPS
1936 select CPU_MIPSR2_IRQ_VI
1937 select CPU_MIPSR2_IRQ_EI
1941 select SYS_SUPPORTS_SMP
1942 select NR_CPUS_DEFAULT_8
1944 This is a kernel model which is known as SMTC. This is
1945 supported on cores with the MT ASE and presents all TCs
1946 available on all VPEs to support SMP. For further
1947 information see <http://www.linux-mips.org/wiki/34K#SMTC>.
1955 bool "SMT (multithreading) scheduler support"
1956 depends on SYS_SUPPORTS_SCHED_SMT
1959 SMT scheduler support improves the CPU scheduler's decision making
1960 when dealing with MIPS MT enabled cores at a cost of slightly
1961 increased overhead in some places. If unsure say N here.
1963 config SYS_SUPPORTS_SCHED_SMT
1966 config SYS_SUPPORTS_MULTITHREADING
1969 config MIPS_MT_FPAFF
1970 bool "Dynamic FPU affinity for FP-intensive threads"
1972 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1974 config MIPS_VPE_LOADER
1975 bool "VPE loader support."
1976 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
1977 select CPU_MIPSR2_IRQ_VI
1978 select CPU_MIPSR2_IRQ_EI
1981 Includes a loader for loading an elf relocatable object
1982 onto another VPE and running it.
1984 config MIPS_VPE_LOADER_CMP
1987 depends on MIPS_VPE_LOADER && MIPS_CMP
1989 config MIPS_VPE_LOADER_MT
1992 depends on MIPS_VPE_LOADER && !MIPS_CMP
1994 config MIPS_MT_SMTC_IM_BACKSTOP
1995 bool "Use per-TC register bits as backstop for inhibited IM bits"
1996 depends on MIPS_MT_SMTC
1999 To support multiple TC microthreads acting as "CPUs" within
2000 a VPE, VPE-wide interrupt mask bits must be specially manipulated
2001 during interrupt handling. To support legacy drivers and interrupt
2002 controller management code, SMTC has a "backstop" to track and
2003 if necessary restore the interrupt mask. This has some performance
2004 impact on interrupt service overhead.
2006 config MIPS_MT_SMTC_IRQAFF
2007 bool "Support IRQ affinity API"
2008 depends on MIPS_MT_SMTC
2011 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
2012 for SMTC Linux kernel. Requires platform support, of which
2013 an example can be found in the MIPS kernel i8259 and Malta
2014 platform code. Adds some overhead to interrupt dispatch, and
2015 should be used only if you know what you are doing.
2017 config MIPS_VPE_LOADER_TOM
2018 bool "Load VPE program into memory hidden from linux"
2019 depends on MIPS_VPE_LOADER
2022 The loader can use memory that is present but has been hidden from
2023 Linux using the kernel command line option "mem=xxMB". It's up to
2024 you to ensure the amount you put in the option and the space your
2025 program requires is less or equal to the amount physically present.
2027 config MIPS_VPE_APSP_API
2028 bool "Enable support for AP/SP API (RTLX)"
2029 depends on MIPS_VPE_LOADER
2032 config MIPS_VPE_APSP_API_CMP
2035 depends on MIPS_VPE_APSP_API && MIPS_CMP
2037 config MIPS_VPE_APSP_API_MT
2040 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2043 bool "MIPS CMP framework support (DEPRECATED)"
2044 depends on SYS_SUPPORTS_MIPS_CMP && !MIPS_MT_SMTC
2047 select WEAK_ORDERING
2050 Select this if you are using a bootloader which implements the "CMP
2051 framework" protocol (ie. YAMON) and want your kernel to make use of
2052 its ability to start secondary CPUs.
2054 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2058 bool "MIPS Coherent Processing System support"
2059 depends on SYS_SUPPORTS_MIPS_CPS
2062 select MIPS_CPS_PM if HOTPLUG_CPU
2065 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2066 select SYS_SUPPORTS_HOTPLUG_CPU
2067 select SYS_SUPPORTS_SMP
2068 select WEAK_ORDERING
2070 Select this if you wish to run an SMP kernel across multiple cores
2071 within a MIPS Coherent Processing System. When this option is
2072 enabled the kernel will probe for other cores and boot them with
2073 no external assistance. It is safe to enable this when hardware
2074 support is unavailable.
2088 config SB1_PASS_1_WORKAROUNDS
2090 depends on CPU_SB1_PASS_1
2093 config SB1_PASS_2_WORKAROUNDS
2095 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2098 config SB1_PASS_2_1_WORKAROUNDS
2100 depends on CPU_SB1 && CPU_SB1_PASS_2
2104 config 64BIT_PHYS_ADDR
2107 config ARCH_PHYS_ADDR_T_64BIT
2108 def_bool 64BIT_PHYS_ADDR
2110 config CPU_HAS_SMARTMIPS
2111 depends on SYS_SUPPORTS_SMARTMIPS
2112 bool "Support for the SmartMIPS ASE"
2114 SmartMIPS is a extension of the MIPS32 architecture aimed at
2115 increased security at both hardware and software level for
2116 smartcards. Enabling this option will allow proper use of the
2117 SmartMIPS instructions by Linux applications. However a kernel with
2118 this option will not work on a MIPS core without SmartMIPS core. If
2119 you don't know you probably don't have SmartMIPS and should say N
2122 config CPU_MICROMIPS
2123 depends on SYS_SUPPORTS_MICROMIPS
2124 bool "Build kernel using microMIPS ISA"
2126 When this option is enabled the kernel will be built using the
2130 bool "Support for the MIPS SIMD Architecture"
2131 depends on CPU_SUPPORTS_MSA
2134 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2135 and a set of SIMD instructions to operate on them. When this option
2136 is enabled the kernel will support allocating & switching MSA
2137 vector register contexts. If you know that your kernel will only be
2138 running on CPUs which do not support MSA or that your userland will
2139 not be making use of it then you may wish to say N here to reduce
2140 the size & complexity of your kernel.
2151 # Vectored interrupt mode is an R2 feature
2153 config CPU_MIPSR2_IRQ_VI
2157 # Extended interrupt mode is an R2 feature
2159 config CPU_MIPSR2_IRQ_EI
2164 depends on !CPU_R3000
2170 config CPU_DADDI_WORKAROUNDS
2173 config CPU_R4000_WORKAROUNDS
2175 select CPU_R4400_WORKAROUNDS
2177 config CPU_R4400_WORKAROUNDS
2181 # - Highmem only makes sense for the 32-bit kernel.
2182 # - The current highmem code will only work properly on physically indexed
2183 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2184 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2185 # moment we protect the user and offer the highmem option only on machines
2186 # where it's known to be safe. This will not offer highmem on a few systems
2187 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2188 # indexed CPUs but we're playing safe.
2189 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2190 # know they might have memory configurations that could make use of highmem
2194 bool "High Memory Support"
2195 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2197 config CPU_SUPPORTS_HIGHMEM
2200 config SYS_SUPPORTS_HIGHMEM
2203 config SYS_SUPPORTS_SMARTMIPS
2206 config SYS_SUPPORTS_MICROMIPS
2209 config CPU_SUPPORTS_MSA
2212 config ARCH_FLATMEM_ENABLE
2214 depends on !NUMA && !CPU_LOONGSON2
2216 config ARCH_DISCONTIGMEM_ENABLE
2218 default y if SGI_IP27
2220 Say Y to support efficient handling of discontiguous physical memory,
2221 for architectures which are either NUMA (Non-Uniform Memory Access)
2222 or have huge holes in the physical address space for other reasons.
2223 See <file:Documentation/vm/numa> for more.
2225 config ARCH_SPARSEMEM_ENABLE
2227 select SPARSEMEM_STATIC
2231 depends on SYS_SUPPORTS_NUMA
2233 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2234 Access). This option improves performance on systems with more
2235 than two nodes; on two node systems it is generally better to
2236 leave it disabled; on single node systems disable this option
2239 config SYS_SUPPORTS_NUMA
2245 depends on NEED_MULTIPLE_NODES
2247 config HW_PERF_EVENTS
2248 bool "Enable hardware performance counter support for perf events"
2249 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
2252 Enable hardware performance counter support for perf events. If
2253 disabled, perf events will use software events only.
2258 bool "Multi-Processing support"
2259 depends on SYS_SUPPORTS_SMP
2261 This enables support for systems with more than one CPU. If you have
2262 a system with only one CPU, say N. If you have a system with more
2263 than one CPU, say Y.
2265 If you say N here, the kernel will run on uni- and multiprocessor
2266 machines, but will use only one CPU of a multiprocessor machine. If
2267 you say Y here, the kernel will run on many, but not all,
2268 uniprocessor machines. On a uniprocessor machine, the kernel
2269 will run faster if you say N here.
2271 People using multiprocessor machines who say Y here should also say
2272 Y to "Enhanced Real Time Clock Support", below.
2274 See also the SMP-HOWTO available at
2275 <http://www.tldp.org/docs.html#howto>.
2277 If you don't know what to do here, say N.
2282 config SYS_SUPPORTS_MIPS_CMP
2285 config SYS_SUPPORTS_MIPS_CPS
2288 config SYS_SUPPORTS_SMP
2291 config NR_CPUS_DEFAULT_4
2294 config NR_CPUS_DEFAULT_8
2297 config NR_CPUS_DEFAULT_16
2300 config NR_CPUS_DEFAULT_32
2303 config NR_CPUS_DEFAULT_64
2307 int "Maximum number of CPUs (2-64)"
2310 default "4" if NR_CPUS_DEFAULT_4
2311 default "8" if NR_CPUS_DEFAULT_8
2312 default "16" if NR_CPUS_DEFAULT_16
2313 default "32" if NR_CPUS_DEFAULT_32
2314 default "64" if NR_CPUS_DEFAULT_64
2316 This allows you to specify the maximum number of CPUs which this
2317 kernel will support. The maximum supported value is 32 for 32-bit
2318 kernel and 64 for 64-bit kernels; the minimum value which makes
2319 sense is 1 for Qemu (useful only for kernel debugging purposes)
2320 and 2 for all others.
2322 This is purely to save memory - each supported CPU adds
2323 approximately eight kilobytes to the kernel image. For best
2324 performance should round up your number of processors to the next
2327 config MIPS_PERF_SHARED_TC_COUNTERS
2331 # Timer Interrupt Frequency Configuration
2335 prompt "Timer frequency"
2338 Allows the configuration of the timer frequency.
2341 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2344 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2347 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2350 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2353 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2356 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2359 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2363 config SYS_SUPPORTS_48HZ
2366 config SYS_SUPPORTS_100HZ
2369 config SYS_SUPPORTS_128HZ
2372 config SYS_SUPPORTS_250HZ
2375 config SYS_SUPPORTS_256HZ
2378 config SYS_SUPPORTS_1000HZ
2381 config SYS_SUPPORTS_1024HZ
2384 config SYS_SUPPORTS_ARBIT_HZ
2386 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2387 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2388 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2389 !SYS_SUPPORTS_1024HZ
2394 default 100 if HZ_100
2395 default 128 if HZ_128
2396 default 250 if HZ_250
2397 default 256 if HZ_256
2398 default 1000 if HZ_1000
2399 default 1024 if HZ_1024
2401 source "kernel/Kconfig.preempt"
2404 bool "Kexec system call"
2406 kexec is a system call that implements the ability to shutdown your
2407 current kernel, and to start another kernel. It is like a reboot
2408 but it is independent of the system firmware. And like a reboot
2409 you can start any kernel with it, not just Linux.
2411 The name comes from the similarity to the exec system call.
2413 It is an ongoing process to be certain the hardware in a machine
2414 is properly shutdown, so do not be surprised if this code does not
2415 initially work for you. As of this writing the exact hardware
2416 interface is strongly in flux, so no good recommendation can be
2420 bool "Kernel crash dumps"
2422 Generate crash dump after being started by kexec.
2423 This should be normally only set in special crash dump kernels
2424 which are loaded in the main kernel with kexec-tools into
2425 a specially reserved region and then later executed after
2426 a crash by kdump/kexec. The crash dump kernel must be compiled
2427 to a memory address not used by the main kernel or firmware using
2430 config PHYSICAL_START
2431 hex "Physical address where the kernel is loaded"
2432 default "0xffffffff84000000" if 64BIT
2433 default "0x84000000" if 32BIT
2434 depends on CRASH_DUMP
2436 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2437 If you plan to use kernel for capturing the crash dump change
2438 this value to start of the reserved region (the "X" value as
2439 specified in the "crashkernel=YM@XM" command line boot parameter
2440 passed to the panic-ed kernel).
2443 bool "Enable seccomp to safely compute untrusted bytecode"
2447 This kernel feature is useful for number crunching applications
2448 that may need to compute untrusted bytecode during their
2449 execution. By using pipes or other transports made available to
2450 the process as file descriptors supporting the read/write
2451 syscalls, it's possible to isolate those applications in
2452 their own address space using seccomp. Once seccomp is
2453 enabled via /proc/<pid>/seccomp, it cannot be disabled
2454 and the task is only allowed to execute a few safe syscalls
2455 defined by each seccomp mode.
2457 If unsure, say Y. Only embedded should say N here.
2459 config MIPS_O32_FP64_SUPPORT
2460 bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
2461 depends on 32BIT || MIPS32_O32
2463 When this is enabled, the kernel will support use of 64-bit floating
2464 point registers with binaries using the O32 ABI along with the
2465 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2466 32-bit MIPS systems this support is at the cost of increasing the
2467 size and complexity of the compiled FPU emulator. Thus if you are
2468 running a MIPS32 system and know that none of your userland binaries
2469 will require 64-bit floating point, you may wish to reduce the size
2470 of your kernel & potentially improve FP emulation performance by
2473 Although binutils currently supports use of this flag the details
2474 concerning its effect upon the O32 ABI in userland are still being
2475 worked on. In order to avoid userland becoming dependant upon current
2476 behaviour before the details have been finalised, this option should
2477 be considered experimental and only enabled by those working upon
2485 select OF_EARLY_FLATTREE
2490 config LOCKDEP_SUPPORT
2494 config STACKTRACE_SUPPORT
2498 source "init/Kconfig"
2500 source "kernel/Kconfig.freezer"
2502 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2510 bool "Support for PCI controller"
2511 depends on HW_HAS_PCI
2513 select NO_GENERIC_PCI_IOPORT_MAP
2515 Find out whether you have a PCI motherboard. PCI is the name of a
2516 bus system, i.e. the way the CPU talks to the other stuff inside
2517 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2521 bool "Support for HT-linked PCI"
2523 depends on CPU_LOONGSON3
2527 Loongson family machines use Hyper-Transport bus for inter-core
2528 connection and device connection. The PCI bus is a subordinate
2529 linked at HT. Choose Y for Loongson-3 based machines.
2534 source "drivers/pci/Kconfig"
2536 source "drivers/pci/pcie/Kconfig"
2539 # ISA support is now enabled via select. Too many systems still have the one
2540 # or other ISA chip on the board that users don't know about so don't expect
2541 # users to choose the right thing ...
2548 depends on HW_HAS_EISA
2550 select GENERIC_ISA_DMA
2552 The Extended Industry Standard Architecture (EISA) bus was
2553 developed as an open alternative to the IBM MicroChannel bus.
2555 The EISA bus provided some of the features of the IBM MicroChannel
2556 bus while maintaining backward compatibility with cards made for
2557 the older ISA bus. The EISA bus saw limited use between 1988 and
2558 1995 when it was made obsolete by the PCI bus.
2560 Say Y here if you are building a kernel for an EISA-based machine.
2564 source "drivers/eisa/Kconfig"
2567 bool "TURBOchannel support"
2568 depends on MACH_DECSTATION
2570 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2571 processors. TURBOchannel programming specifications are available
2573 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2575 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2576 Linux driver support status is documented at:
2577 <http://www.linux-mips.org/wiki/DECstation>
2587 select MIPS_EXTERNAL_TIMER
2595 source "drivers/pcmcia/Kconfig"
2597 source "drivers/pci/hotplug/Kconfig"
2600 tristate "RapidIO support"
2604 If you say Y here, the kernel will include drivers and
2605 infrastructure code to support RapidIO interconnect devices.
2607 source "drivers/rapidio/Kconfig"
2611 menu "Executable file formats"
2613 source "fs/Kconfig.binfmt"
2618 config MIPS32_COMPAT
2619 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2622 Select this option if you want Linux/MIPS 32-bit binary
2623 compatibility. Since all software available for Linux/MIPS is
2624 currently 32-bit you should say Y here.
2628 depends on MIPS32_COMPAT
2629 select ARCH_WANT_OLD_COMPAT_IPC
2632 config SYSVIPC_COMPAT
2634 depends on COMPAT && SYSVIPC
2638 bool "Kernel support for o32 binaries"
2639 depends on MIPS32_COMPAT
2641 Select this option if you want to run o32 binaries. These are pure
2642 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2643 existing binaries are in this format.
2648 bool "Kernel support for n32 binaries"
2649 depends on MIPS32_COMPAT
2651 Select this option if you want to run n32 binaries. These are
2652 64-bit binaries using 32-bit quantities for addressing and certain
2653 data that would normally be 64-bit. They are used in special
2660 default y if MIPS32_O32 || MIPS32_N32
2664 menu "Power management options"
2666 config ARCH_HIBERNATION_POSSIBLE
2668 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2670 config ARCH_SUSPEND_POSSIBLE
2672 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2674 source "kernel/power/Kconfig"
2678 config MIPS_EXTERNAL_TIMER
2681 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2682 menu "CPU Power Management"
2683 source "drivers/cpufreq/Kconfig"
2687 source "net/Kconfig"
2689 source "drivers/Kconfig"
2691 source "drivers/firmware/Kconfig"
2695 source "arch/mips/Kconfig.debug"
2697 source "security/Kconfig"
2699 source "crypto/Kconfig"
2701 source "lib/Kconfig"
2703 source "arch/mips/kvm/Kconfig"