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 HAVE_BPF_JIT if !CPU_MICROMIPS
16 select ARCH_HAVE_CUSTOM_GPIO_H
17 select HAVE_FUNCTION_TRACER
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_CONTIGUOUS
33 select HAVE_DMA_API_DEBUG
34 select GENERIC_IRQ_PROBE
35 select GENERIC_IRQ_SHOW
36 select GENERIC_PCI_IOMAP
37 select HAVE_ARCH_JUMP_LABEL
38 select ARCH_WANT_IPC_PARSE_VERSION
39 select IRQ_FORCED_THREADING
41 select HAVE_MEMBLOCK_NODE_MAP
42 select ARCH_DISCARD_MEMBLOCK
43 select GENERIC_SMP_IDLE_THREAD
44 select BUILDTIME_EXTABLE_SORT
45 select GENERIC_CLOCKEVENTS
46 select GENERIC_CMOS_UPDATE
47 select HAVE_MOD_ARCH_SPECIFIC
49 select MODULES_USE_ELF_REL if MODULES
50 select MODULES_USE_ELF_RELA if MODULES && 64BIT
51 select CLONE_BACKWARDS
52 select HAVE_DEBUG_STACKOVERFLOW
53 select HAVE_CC_STACKPROTECTOR
54 select CPU_PM if CPU_IDLE
55 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
57 menu "Machine selection"
64 bool "Alchemy processor based machines"
65 select 64BIT_PHYS_ADDR
69 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
70 select SYS_HAS_CPU_MIPS32_R1
71 select SYS_SUPPORTS_32BIT_KERNEL
72 select SYS_SUPPORTS_APM_EMULATION
73 select ARCH_REQUIRE_GPIOLIB
74 select SYS_SUPPORTS_ZBOOT
78 bool "Texas Instruments AR7"
80 select DMA_NONCOHERENT
86 select SYS_HAS_CPU_MIPS32_R1
87 select SYS_HAS_EARLY_PRINTK
88 select SYS_SUPPORTS_32BIT_KERNEL
89 select SYS_SUPPORTS_LITTLE_ENDIAN
90 select SYS_SUPPORTS_MIPS16
91 select SYS_SUPPORTS_ZBOOT_UART16550
92 select ARCH_REQUIRE_GPIOLIB
96 Support for the Texas Instruments AR7 System-on-a-Chip
97 family: TNETD7100, 7200 and 7300.
100 bool "Atheros AR71XX/AR724X/AR913X based boards"
101 select ARCH_REQUIRE_GPIOLIB
105 select DMA_NONCOHERENT
110 select SYS_HAS_CPU_MIPS32_R2
111 select SYS_HAS_EARLY_PRINTK
112 select SYS_SUPPORTS_32BIT_KERNEL
113 select SYS_SUPPORTS_BIG_ENDIAN
114 select SYS_SUPPORTS_MIPS16
116 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
119 bool "Broadcom BCM47XX based boards"
120 select ARCH_WANT_OPTIONAL_GPIOLIB
124 select DMA_NONCOHERENT
127 select SYS_HAS_CPU_MIPS32_R1
128 select NO_EXCEPT_FILL
129 select SYS_SUPPORTS_32BIT_KERNEL
130 select SYS_SUPPORTS_LITTLE_ENDIAN
131 select SYS_SUPPORTS_MIPS16
132 select SYS_HAS_EARLY_PRINTK
133 select USE_GENERIC_EARLY_PRINTK_8250
135 select LEDS_GPIO_REGISTER
137 Support for BCM47XX based boards
140 bool "Broadcom BCM63XX based boards"
145 select DMA_NONCOHERENT
147 select SYS_SUPPORTS_32BIT_KERNEL
148 select SYS_SUPPORTS_BIG_ENDIAN
149 select SYS_HAS_EARLY_PRINTK
151 select ARCH_REQUIRE_GPIOLIB
153 select MIPS_L1_CACHE_SHIFT_4
155 Support for BCM63XX based boards
162 select DMA_NONCOHERENT
168 select PCI_GT64XXX_PCI0
170 select SYS_HAS_CPU_NEVADA
171 select SYS_HAS_EARLY_PRINTK
172 select SYS_SUPPORTS_32BIT_KERNEL
173 select SYS_SUPPORTS_64BIT_KERNEL
174 select SYS_SUPPORTS_LITTLE_ENDIAN
175 select USE_GENERIC_EARLY_PRINTK_8250
177 config MACH_DECSTATION
181 select CEVT_R4K if CPU_R4X00
183 select CSRC_R4K if CPU_R4X00
184 select CPU_DADDI_WORKAROUNDS if 64BIT
185 select CPU_R4000_WORKAROUNDS if 64BIT
186 select CPU_R4400_WORKAROUNDS if 64BIT
187 select DMA_NONCOHERENT
190 select SYS_HAS_CPU_R3000
191 select SYS_HAS_CPU_R4X00
192 select SYS_SUPPORTS_32BIT_KERNEL
193 select SYS_SUPPORTS_64BIT_KERNEL
194 select SYS_SUPPORTS_LITTLE_ENDIAN
195 select SYS_SUPPORTS_128HZ
196 select SYS_SUPPORTS_256HZ
197 select SYS_SUPPORTS_1024HZ
198 select MIPS_L1_CACHE_SHIFT_4
200 This enables support for DEC's MIPS based workstations. For details
201 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
202 DECstation porting pages on <http://decstation.unix-ag.org/>.
204 If you have one of the following DECstation Models you definitely
205 want to choose R4xx0 for the CPU Type:
212 otherwise choose R3000.
215 bool "Jazz family of machines"
218 select ARCH_MAY_HAVE_PC_FDC
221 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
222 select GENERIC_ISA_DMA
223 select HAVE_PCSPKR_PLATFORM
228 select SYS_HAS_CPU_R4X00
229 select SYS_SUPPORTS_32BIT_KERNEL
230 select SYS_SUPPORTS_64BIT_KERNEL
231 select SYS_SUPPORTS_100HZ
233 This a family of machines based on the MIPS R4030 chipset which was
234 used by several vendors to build RISC/os and Windows NT workstations.
235 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
236 Olivetti M700-10 workstations.
239 bool "Ingenic JZ4740 based machines"
240 select SYS_HAS_CPU_MIPS32_R1
241 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_LITTLE_ENDIAN
243 select SYS_SUPPORTS_ZBOOT_UART16550
244 select DMA_NONCOHERENT
246 select ARCH_REQUIRE_GPIOLIB
247 select SYS_HAS_EARLY_PRINTK
249 select GENERIC_IRQ_CHIP
252 bool "Lantiq based platforms"
253 select DMA_NONCOHERENT
257 select SYS_HAS_CPU_MIPS32_R1
258 select SYS_HAS_CPU_MIPS32_R2
259 select SYS_SUPPORTS_BIG_ENDIAN
260 select SYS_SUPPORTS_32BIT_KERNEL
261 select SYS_SUPPORTS_MIPS16
262 select SYS_SUPPORTS_MULTITHREADING
263 select SYS_HAS_EARLY_PRINTK
264 select ARCH_REQUIRE_GPIOLIB
267 select HAVE_MACH_CLKDEV
271 select PINCTRL_LANTIQ
274 bool "LASAT Networks platforms"
278 select DMA_NONCOHERENT
279 select SYS_HAS_EARLY_PRINTK
282 select PCI_GT64XXX_PCI0
284 select R5000_CPU_SCACHE
285 select SYS_HAS_CPU_R5000
286 select SYS_SUPPORTS_32BIT_KERNEL
287 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
288 select SYS_SUPPORTS_LITTLE_ENDIAN
291 bool "Loongson family of machines"
292 select SYS_SUPPORTS_ZBOOT
294 This enables the support of Loongson family of machines.
296 Loongson is a family of general-purpose MIPS-compatible CPUs.
297 developed at Institute of Computing Technology (ICT),
298 Chinese Academy of Sciences (CAS) in the People's Republic
299 of China. The chief architect is Professor Weiwu Hu.
301 config MACH_LOONGSON1
302 bool "Loongson 1 family of machines"
303 select SYS_SUPPORTS_ZBOOT
305 This enables support for the Loongson 1 based machines.
307 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
308 the ICT (Institute of Computing Technology) and the Chinese Academy
312 bool "MIPS Malta board"
313 select ARCH_MAY_HAVE_PC_FDC
319 select DMA_MAYBE_COHERENT
320 select GENERIC_ISA_DMA
321 select HAVE_PCSPKR_PLATFORM
328 select MIPS_CPU_SCACHE
329 select PCI_GT64XXX_PCI0
332 select SYS_HAS_CPU_MIPS32_R1
333 select SYS_HAS_CPU_MIPS32_R2
334 select SYS_HAS_CPU_MIPS32_R3_5
335 select SYS_HAS_CPU_MIPS64_R1
336 select SYS_HAS_CPU_MIPS64_R2
337 select SYS_HAS_CPU_NEVADA
338 select SYS_HAS_CPU_RM7000
339 select SYS_SUPPORTS_32BIT_KERNEL
340 select SYS_SUPPORTS_64BIT_KERNEL
341 select SYS_SUPPORTS_BIG_ENDIAN
342 select SYS_SUPPORTS_LITTLE_ENDIAN
343 select SYS_SUPPORTS_MIPS_CMP
344 select SYS_SUPPORTS_MIPS_CPS
345 select SYS_SUPPORTS_MIPS16
346 select SYS_SUPPORTS_MULTITHREADING
347 select SYS_SUPPORTS_SMARTMIPS
348 select SYS_SUPPORTS_ZBOOT
350 This enables support for the MIPS Technologies Malta evaluation
354 bool "MIPS SEAD3 board"
361 select CPU_MIPSR2_IRQ_VI
362 select CPU_MIPSR2_IRQ_EI
363 select DMA_NONCOHERENT
368 select SYS_HAS_CPU_MIPS32_R1
369 select SYS_HAS_CPU_MIPS32_R2
370 select SYS_HAS_CPU_MIPS64_R1
371 select SYS_HAS_EARLY_PRINTK
372 select SYS_SUPPORTS_32BIT_KERNEL
373 select SYS_SUPPORTS_64BIT_KERNEL
374 select SYS_SUPPORTS_BIG_ENDIAN
375 select SYS_SUPPORTS_LITTLE_ENDIAN
376 select SYS_SUPPORTS_SMARTMIPS
377 select SYS_SUPPORTS_MICROMIPS
378 select SYS_SUPPORTS_MIPS16
379 select USB_EHCI_BIG_ENDIAN_DESC
380 select USB_EHCI_BIG_ENDIAN_MMIO
383 This enables support for the MIPS Technologies SEAD3 evaluation
387 bool "NEC EMMA2RH Mark-eins board"
391 This enables support for the NEC Electronics Mark-eins boards.
394 bool "NEC VR4100 series based machines"
397 select SYS_HAS_CPU_VR41XX
398 select SYS_SUPPORTS_MIPS16
399 select ARCH_REQUIRE_GPIOLIB
402 bool "NXP STB220 board"
405 Support for NXP Semiconductors STB220 Development Board.
412 Support for NXP Semiconductors STB225 Development Board.
415 bool "PMC-Sierra MSP chipsets"
418 select DMA_NONCOHERENT
420 select NO_EXCEPT_FILL
422 select SYS_HAS_CPU_MIPS32_R1
423 select SYS_HAS_CPU_MIPS32_R2
424 select SYS_SUPPORTS_32BIT_KERNEL
425 select SYS_SUPPORTS_BIG_ENDIAN
426 select SYS_SUPPORTS_MIPS16
429 select SERIAL_8250_CONSOLE
430 select USB_EHCI_BIG_ENDIAN_MMIO
431 select USB_EHCI_BIG_ENDIAN_DESC
433 This adds support for the PMC-Sierra family of Multi-Service
434 Processor System-On-A-Chips. These parts include a number
435 of integrated peripherals, interfaces and DSPs in addition to
436 a variety of MIPS cores.
439 bool "Ralink based machines"
443 select DMA_NONCOHERENT
446 select SYS_HAS_CPU_MIPS32_R1
447 select SYS_HAS_CPU_MIPS32_R2
448 select SYS_SUPPORTS_32BIT_KERNEL
449 select SYS_SUPPORTS_LITTLE_ENDIAN
450 select SYS_SUPPORTS_MIPS16
451 select SYS_HAS_EARLY_PRINTK
452 select HAVE_MACH_CLKDEV
454 select ARCH_HAS_RESET_CONTROLLER
455 select RESET_CONTROLLER
458 bool "SGI IP22 (Indy/Indigo2)"
464 select DEFAULT_SGI_PARTITION
465 select DMA_NONCOHERENT
469 select IP22_CPU_SCACHE
471 select GENERIC_ISA_DMA_SUPPORT_BROKEN
473 select SGI_HAS_INDYDOG
479 select SYS_HAS_CPU_R4X00
480 select SYS_HAS_CPU_R5000
482 # Disable EARLY_PRINTK for now since it leads to overwritten prom
483 # memory during early boot on some machines.
485 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
486 # for a more details discussion
488 # select SYS_HAS_EARLY_PRINTK
489 select SYS_SUPPORTS_32BIT_KERNEL
490 select SYS_SUPPORTS_64BIT_KERNEL
491 select SYS_SUPPORTS_BIG_ENDIAN
492 select MIPS_L1_CACHE_SHIFT_7
494 This are the SGI Indy, Challenge S and Indigo2, as well as certain
495 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
496 that runs on these, say Y here.
499 bool "SGI IP27 (Origin200/2000)"
503 select DEFAULT_SGI_PARTITION
505 select SYS_HAS_EARLY_PRINTK
507 select NR_CPUS_DEFAULT_64
508 select SYS_HAS_CPU_R10000
509 select SYS_SUPPORTS_64BIT_KERNEL
510 select SYS_SUPPORTS_BIG_ENDIAN
511 select SYS_SUPPORTS_NUMA
512 select SYS_SUPPORTS_SMP
513 select MIPS_L1_CACHE_SHIFT_7
515 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
516 workstations. To compile a Linux kernel that runs on these, say Y
520 bool "SGI IP28 (Indigo2 R10k)"
526 select DEFAULT_SGI_PARTITION
527 select DMA_NONCOHERENT
528 select GENERIC_ISA_DMA_SUPPORT_BROKEN
534 select SGI_HAS_INDYDOG
540 select SYS_HAS_CPU_R10000
542 # Disable EARLY_PRINTK for now since it leads to overwritten prom
543 # memory during early boot on some machines.
545 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
546 # for a more details discussion
548 # select SYS_HAS_EARLY_PRINTK
549 select SYS_SUPPORTS_64BIT_KERNEL
550 select SYS_SUPPORTS_BIG_ENDIAN
551 select MIPS_L1_CACHE_SHIFT_7
553 This is the SGI Indigo2 with R10000 processor. To compile a Linux
554 kernel that runs on these, say Y here.
563 select DMA_NONCOHERENT
566 select R5000_CPU_SCACHE
567 select RM7000_CPU_SCACHE
568 select SYS_HAS_CPU_R5000
569 select SYS_HAS_CPU_R10000 if BROKEN
570 select SYS_HAS_CPU_RM7000
571 select SYS_HAS_CPU_NEVADA
572 select SYS_SUPPORTS_64BIT_KERNEL
573 select SYS_SUPPORTS_BIG_ENDIAN
575 If you want this kernel to run on SGI O2 workstation, say Y here.
578 bool "Sibyte BCM91120C-CRhine"
581 select SIBYTE_BCM1120
583 select SYS_HAS_CPU_SB1
584 select SYS_SUPPORTS_BIG_ENDIAN
585 select SYS_SUPPORTS_LITTLE_ENDIAN
588 bool "Sibyte BCM91120x-Carmel"
591 select SIBYTE_BCM1120
593 select SYS_HAS_CPU_SB1
594 select SYS_SUPPORTS_BIG_ENDIAN
595 select SYS_SUPPORTS_LITTLE_ENDIAN
598 bool "Sibyte BCM91125C-CRhone"
601 select SIBYTE_BCM1125
603 select SYS_HAS_CPU_SB1
604 select SYS_SUPPORTS_BIG_ENDIAN
605 select SYS_SUPPORTS_HIGHMEM
606 select SYS_SUPPORTS_LITTLE_ENDIAN
609 bool "Sibyte BCM91125E-Rhone"
612 select SIBYTE_BCM1125H
614 select SYS_HAS_CPU_SB1
615 select SYS_SUPPORTS_BIG_ENDIAN
616 select SYS_SUPPORTS_LITTLE_ENDIAN
619 bool "Sibyte BCM91250A-SWARM"
622 select HAVE_PATA_PLATFORM
625 select SYS_HAS_CPU_SB1
626 select SYS_SUPPORTS_BIG_ENDIAN
627 select SYS_SUPPORTS_HIGHMEM
628 select SYS_SUPPORTS_LITTLE_ENDIAN
629 select ZONE_DMA32 if 64BIT
631 config SIBYTE_LITTLESUR
632 bool "Sibyte BCM91250C2-LittleSur"
635 select HAVE_PATA_PLATFORM
638 select SYS_HAS_CPU_SB1
639 select SYS_SUPPORTS_BIG_ENDIAN
640 select SYS_SUPPORTS_HIGHMEM
641 select SYS_SUPPORTS_LITTLE_ENDIAN
643 config SIBYTE_SENTOSA
644 bool "Sibyte BCM91250E-Sentosa"
649 select SYS_HAS_CPU_SB1
650 select SYS_SUPPORTS_BIG_ENDIAN
651 select SYS_SUPPORTS_LITTLE_ENDIAN
654 bool "Sibyte BCM91480B-BigSur"
657 select NR_CPUS_DEFAULT_4
658 select SIBYTE_BCM1x80
660 select SYS_HAS_CPU_SB1
661 select SYS_SUPPORTS_BIG_ENDIAN
662 select SYS_SUPPORTS_HIGHMEM
663 select SYS_SUPPORTS_LITTLE_ENDIAN
664 select ZONE_DMA32 if 64BIT
667 bool "SNI RM200/300/400"
668 select FW_ARC if CPU_LITTLE_ENDIAN
669 select FW_ARC32 if CPU_LITTLE_ENDIAN
670 select FW_SNIPROM if CPU_BIG_ENDIAN
671 select ARCH_MAY_HAVE_PC_FDC
675 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
676 select DMA_NONCOHERENT
677 select GENERIC_ISA_DMA
678 select HAVE_PCSPKR_PLATFORM
685 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
686 select SYS_HAS_CPU_R4X00
687 select SYS_HAS_CPU_R5000
688 select SYS_HAS_CPU_R10000
689 select R5000_CPU_SCACHE
690 select SYS_HAS_EARLY_PRINTK
691 select SYS_SUPPORTS_32BIT_KERNEL
692 select SYS_SUPPORTS_64BIT_KERNEL
693 select SYS_SUPPORTS_BIG_ENDIAN
694 select SYS_SUPPORTS_HIGHMEM
695 select SYS_SUPPORTS_LITTLE_ENDIAN
697 The SNI RM200/300/400 are MIPS-based machines manufactured by
698 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
699 Technology and now in turn merged with Fujitsu. Say Y here to
700 support this machine type.
703 bool "Toshiba TX39 series based machines"
706 bool "Toshiba TX49 series based machines"
708 config MIKROTIK_RB532
709 bool "Mikrotik RB532 boards"
712 select DMA_NONCOHERENT
715 select SYS_HAS_CPU_MIPS32_R1
716 select SYS_SUPPORTS_32BIT_KERNEL
717 select SYS_SUPPORTS_LITTLE_ENDIAN
720 select ARCH_REQUIRE_GPIOLIB
721 select MIPS_L1_CACHE_SHIFT_4
723 Support the Mikrotik(tm) RouterBoard 532 series,
724 based on the IDT RC32434 SoC.
726 config CAVIUM_OCTEON_SOC
727 bool "Cavium Networks Octeon SoC based boards"
729 select 64BIT_PHYS_ADDR
731 select SYS_SUPPORTS_64BIT_KERNEL
732 select SYS_SUPPORTS_BIG_ENDIAN
734 select SYS_SUPPORTS_HOTPLUG_CPU
735 select SYS_HAS_EARLY_PRINTK
736 select SYS_HAS_CPU_CAVIUM_OCTEON
741 select ARCH_REQUIRE_GPIOLIB
744 select ARCH_SPARSEMEM_ENABLE
745 select SYS_SUPPORTS_SMP
746 select NR_CPUS_DEFAULT_16
749 This option supports all of the Octeon reference boards from Cavium
750 Networks. It builds a kernel that dynamically determines the Octeon
751 CPU type and supports all known board reference implementations.
752 Some of the supported boards are:
759 Say Y here for most Octeon reference boards.
762 bool "Netlogic XLR/XLS based systems"
765 select SYS_HAS_CPU_XLR
766 select SYS_SUPPORTS_SMP
769 select SYS_SUPPORTS_32BIT_KERNEL
770 select SYS_SUPPORTS_64BIT_KERNEL
771 select 64BIT_PHYS_ADDR
772 select SYS_SUPPORTS_BIG_ENDIAN
773 select SYS_SUPPORTS_HIGHMEM
775 select NR_CPUS_DEFAULT_32
779 select ZONE_DMA32 if 64BIT
781 select SYS_HAS_EARLY_PRINTK
782 select SYS_SUPPORTS_ZBOOT
783 select SYS_SUPPORTS_ZBOOT_UART16550
785 Support for systems based on Netlogic XLR and XLS processors.
786 Say Y here if you have a XLR or XLS based board.
789 bool "Netlogic XLP based systems"
792 select SYS_HAS_CPU_XLP
793 select SYS_SUPPORTS_SMP
795 select SYS_SUPPORTS_32BIT_KERNEL
796 select SYS_SUPPORTS_64BIT_KERNEL
797 select 64BIT_PHYS_ADDR
798 select SYS_SUPPORTS_BIG_ENDIAN
799 select SYS_SUPPORTS_LITTLE_ENDIAN
800 select SYS_SUPPORTS_HIGHMEM
802 select NR_CPUS_DEFAULT_32
806 select ZONE_DMA32 if 64BIT
808 select SYS_HAS_EARLY_PRINTK
810 select SYS_SUPPORTS_ZBOOT
811 select SYS_SUPPORTS_ZBOOT_UART16550
813 This board is based on Netlogic XLP Processor.
814 Say Y here if you have a XLP based board.
817 bool "Para-Virtualized guest system"
821 select SYS_SUPPORTS_64BIT_KERNEL
822 select SYS_SUPPORTS_32BIT_KERNEL
823 select SYS_SUPPORTS_BIG_ENDIAN
824 select SYS_SUPPORTS_SMP
825 select NR_CPUS_DEFAULT_4
826 select SYS_HAS_EARLY_PRINTK
827 select SYS_HAS_CPU_MIPS32_R2
828 select SYS_HAS_CPU_MIPS64_R2
829 select SYS_HAS_CPU_CAVIUM_OCTEON
833 This option supports guest running under ????
837 source "arch/mips/alchemy/Kconfig"
838 source "arch/mips/ath79/Kconfig"
839 source "arch/mips/bcm47xx/Kconfig"
840 source "arch/mips/bcm63xx/Kconfig"
841 source "arch/mips/jazz/Kconfig"
842 source "arch/mips/jz4740/Kconfig"
843 source "arch/mips/lantiq/Kconfig"
844 source "arch/mips/lasat/Kconfig"
845 source "arch/mips/pmcs-msp71xx/Kconfig"
846 source "arch/mips/ralink/Kconfig"
847 source "arch/mips/sgi-ip27/Kconfig"
848 source "arch/mips/sibyte/Kconfig"
849 source "arch/mips/txx9/Kconfig"
850 source "arch/mips/vr41xx/Kconfig"
851 source "arch/mips/cavium-octeon/Kconfig"
852 source "arch/mips/loongson/Kconfig"
853 source "arch/mips/loongson1/Kconfig"
854 source "arch/mips/netlogic/Kconfig"
855 source "arch/mips/paravirt/Kconfig"
859 config RWSEM_GENERIC_SPINLOCK
863 config RWSEM_XCHGADD_ALGORITHM
866 config ARCH_HAS_ILOG2_U32
870 config ARCH_HAS_ILOG2_U64
874 config GENERIC_HWEIGHT
878 config GENERIC_CALIBRATE_DELAY
882 config SCHED_OMIT_FRAME_POINTER
887 # Select some configuration options automatically based on user selections.
892 config ARCH_MAY_HAVE_PC_FDC
937 select ARCH_REQUIRE_GPIOLIB
943 config ARCH_DMA_ADDR_T_64BIT
944 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
946 config DMA_MAYBE_COHERENT
947 select DMA_NONCOHERENT
953 config DMA_NONCOHERENT
955 select NEED_DMA_MAP_STATE
957 config NEED_DMA_MAP_STATE
960 config SYS_HAS_EARLY_PRINTK
964 bool "Support for hot-pluggable CPUs"
965 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
967 Say Y here to allow turning CPUs off and on. CPUs can be
968 controlled through /sys/devices/system/cpu.
969 (Note: power management support will enable this option
970 automatically on SMP systems. )
971 Say N if you want to disable CPU hotplug.
973 config SYS_SUPPORTS_HOTPLUG_CPU
997 config GENERIC_ISA_DMA
999 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1002 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1004 select GENERIC_ISA_DMA
1009 config HOLES_IN_ZONE
1013 # Endianness selection. Sufficiently obscure so many users don't know what to
1014 # answer,so we try hard to limit the available choices. Also the use of a
1015 # choice statement should be more obvious to the user.
1018 prompt "Endianness selection"
1020 Some MIPS machines can be configured for either little or big endian
1021 byte order. These modes require different kernels and a different
1022 Linux distribution. In general there is one preferred byteorder for a
1023 particular system but some systems are just as commonly used in the
1024 one or the other endianness.
1026 config CPU_BIG_ENDIAN
1028 depends on SYS_SUPPORTS_BIG_ENDIAN
1030 config CPU_LITTLE_ENDIAN
1031 bool "Little endian"
1032 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1039 config SYS_SUPPORTS_APM_EMULATION
1042 config SYS_SUPPORTS_BIG_ENDIAN
1045 config SYS_SUPPORTS_LITTLE_ENDIAN
1048 config SYS_SUPPORTS_HUGETLBFS
1050 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1053 config MIPS_HUGE_TLB_SUPPORT
1054 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1078 config PCI_GT64XXX_PCI0
1081 config NO_EXCEPT_FILL
1088 select DMA_NONCOHERENT
1090 select SWAP_IO_SPACE
1091 select SYS_HAS_CPU_R5500
1092 select SYS_SUPPORTS_32BIT_KERNEL
1093 select SYS_SUPPORTS_64BIT_KERNEL
1094 select SYS_SUPPORTS_BIG_ENDIAN
1101 select DMA_NONCOHERENT
1102 select SYS_HAS_CPU_MIPS32_R2
1103 select SYS_SUPPORTS_32BIT_KERNEL
1104 select SYS_SUPPORTS_LITTLE_ENDIAN
1105 select SYS_SUPPORTS_BIG_ENDIAN
1106 select SYS_SUPPORTS_MIPS16
1107 select CPU_MIPSR2_IRQ_VI
1113 config SWAP_IO_SPACE
1116 config SGI_HAS_INDYDOG
1128 config SGI_HAS_ZILOG
1131 config SGI_HAS_I8042
1134 config DEFAULT_SGI_PARTITION
1146 config MIPS_L1_CACHE_SHIFT_4
1149 config MIPS_L1_CACHE_SHIFT_5
1152 config MIPS_L1_CACHE_SHIFT_6
1155 config MIPS_L1_CACHE_SHIFT_7
1158 config MIPS_L1_CACHE_SHIFT
1160 default "4" if MIPS_L1_CACHE_SHIFT_4
1161 default "5" if MIPS_L1_CACHE_SHIFT_5
1162 default "6" if MIPS_L1_CACHE_SHIFT_6
1163 default "7" if MIPS_L1_CACHE_SHIFT_7
1166 config HAVE_STD_PC_SERIAL_PORT
1170 bool "ARC console support"
1171 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1175 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1180 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1189 menu "CPU selection"
1195 config CPU_LOONGSON3
1196 bool "Loongson 3 CPU"
1197 depends on SYS_HAS_CPU_LOONGSON3
1198 select CPU_SUPPORTS_64BIT_KERNEL
1199 select CPU_SUPPORTS_HIGHMEM
1200 select CPU_SUPPORTS_HUGEPAGES
1201 select WEAK_ORDERING
1202 select WEAK_REORDERING_BEYOND_LLSC
1204 The Loongson 3 processor implements the MIPS64R2 instruction
1205 set with many extensions.
1207 config CPU_LOONGSON2E
1209 depends on SYS_HAS_CPU_LOONGSON2E
1210 select CPU_LOONGSON2
1212 The Loongson 2E processor implements the MIPS III instruction set
1213 with many extensions.
1215 It has an internal FPGA northbridge, which is compatible to
1218 config CPU_LOONGSON2F
1220 depends on SYS_HAS_CPU_LOONGSON2F
1221 select CPU_LOONGSON2
1222 select ARCH_REQUIRE_GPIOLIB
1224 The Loongson 2F processor implements the MIPS III instruction set
1225 with many extensions.
1227 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1228 have a similar programming interface with FPGA northbridge used in
1231 config CPU_LOONGSON1B
1233 depends on SYS_HAS_CPU_LOONGSON1B
1234 select CPU_LOONGSON1
1236 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1237 release 2 instruction set.
1239 config CPU_MIPS32_R1
1240 bool "MIPS32 Release 1"
1241 depends on SYS_HAS_CPU_MIPS32_R1
1242 select CPU_HAS_PREFETCH
1243 select CPU_SUPPORTS_32BIT_KERNEL
1244 select CPU_SUPPORTS_HIGHMEM
1246 Choose this option to build a kernel for release 1 or later of the
1247 MIPS32 architecture. Most modern embedded systems with a 32-bit
1248 MIPS processor are based on a MIPS32 processor. If you know the
1249 specific type of processor in your system, choose those that one
1250 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1251 Release 2 of the MIPS32 architecture is available since several
1252 years so chances are you even have a MIPS32 Release 2 processor
1253 in which case you should choose CPU_MIPS32_R2 instead for better
1256 config CPU_MIPS32_R2
1257 bool "MIPS32 Release 2"
1258 depends on SYS_HAS_CPU_MIPS32_R2
1259 select CPU_HAS_PREFETCH
1260 select CPU_SUPPORTS_32BIT_KERNEL
1261 select CPU_SUPPORTS_HIGHMEM
1262 select CPU_SUPPORTS_MSA
1265 Choose this option to build a kernel for release 2 or later of the
1266 MIPS32 architecture. Most modern embedded systems with a 32-bit
1267 MIPS processor are based on a MIPS32 processor. If you know the
1268 specific type of processor in your system, choose those that one
1269 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1271 config CPU_MIPS64_R1
1272 bool "MIPS64 Release 1"
1273 depends on SYS_HAS_CPU_MIPS64_R1
1274 select CPU_HAS_PREFETCH
1275 select CPU_SUPPORTS_32BIT_KERNEL
1276 select CPU_SUPPORTS_64BIT_KERNEL
1277 select CPU_SUPPORTS_HIGHMEM
1278 select CPU_SUPPORTS_HUGEPAGES
1280 Choose this option to build a kernel for release 1 or later of the
1281 MIPS64 architecture. Many modern embedded systems with a 64-bit
1282 MIPS processor are based on a MIPS64 processor. If you know the
1283 specific type of processor in your system, choose those that one
1284 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1285 Release 2 of the MIPS64 architecture is available since several
1286 years so chances are you even have a MIPS64 Release 2 processor
1287 in which case you should choose CPU_MIPS64_R2 instead for better
1290 config CPU_MIPS64_R2
1291 bool "MIPS64 Release 2"
1292 depends on SYS_HAS_CPU_MIPS64_R2
1293 select CPU_HAS_PREFETCH
1294 select CPU_SUPPORTS_32BIT_KERNEL
1295 select CPU_SUPPORTS_64BIT_KERNEL
1296 select CPU_SUPPORTS_HIGHMEM
1297 select CPU_SUPPORTS_HUGEPAGES
1298 select CPU_SUPPORTS_MSA
1300 Choose this option to build a kernel for release 2 or later of the
1301 MIPS64 architecture. Many modern embedded systems with a 64-bit
1302 MIPS processor are based on a MIPS64 processor. If you know the
1303 specific type of processor in your system, choose those that one
1304 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1308 depends on SYS_HAS_CPU_R3000
1310 select CPU_SUPPORTS_32BIT_KERNEL
1311 select CPU_SUPPORTS_HIGHMEM
1313 Please make sure to pick the right CPU type. Linux/MIPS is not
1314 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1315 *not* work on R4000 machines and vice versa. However, since most
1316 of the supported machines have an R4000 (or similar) CPU, R4x00
1317 might be a safe bet. If the resulting kernel does not work,
1318 try to recompile with R3000.
1322 depends on SYS_HAS_CPU_TX39XX
1323 select CPU_SUPPORTS_32BIT_KERNEL
1327 depends on SYS_HAS_CPU_VR41XX
1328 select CPU_SUPPORTS_32BIT_KERNEL
1329 select CPU_SUPPORTS_64BIT_KERNEL
1331 The options selects support for the NEC VR4100 series of processors.
1332 Only choose this option if you have one of these processors as a
1333 kernel built with this option will not run on any other type of
1334 processor or vice versa.
1338 depends on SYS_HAS_CPU_R4300
1339 select CPU_SUPPORTS_32BIT_KERNEL
1340 select CPU_SUPPORTS_64BIT_KERNEL
1342 MIPS Technologies R4300-series processors.
1346 depends on SYS_HAS_CPU_R4X00
1347 select CPU_SUPPORTS_32BIT_KERNEL
1348 select CPU_SUPPORTS_64BIT_KERNEL
1349 select CPU_SUPPORTS_HUGEPAGES
1351 MIPS Technologies R4000-series processors other than 4300, including
1352 the R4000, R4400, R4600, and 4700.
1356 depends on SYS_HAS_CPU_TX49XX
1357 select CPU_HAS_PREFETCH
1358 select CPU_SUPPORTS_32BIT_KERNEL
1359 select CPU_SUPPORTS_64BIT_KERNEL
1360 select CPU_SUPPORTS_HUGEPAGES
1364 depends on SYS_HAS_CPU_R5000
1365 select CPU_SUPPORTS_32BIT_KERNEL
1366 select CPU_SUPPORTS_64BIT_KERNEL
1367 select CPU_SUPPORTS_HUGEPAGES
1369 MIPS Technologies R5000-series processors other than the Nevada.
1373 depends on SYS_HAS_CPU_R5432
1374 select CPU_SUPPORTS_32BIT_KERNEL
1375 select CPU_SUPPORTS_64BIT_KERNEL
1376 select CPU_SUPPORTS_HUGEPAGES
1380 depends on SYS_HAS_CPU_R5500
1381 select CPU_SUPPORTS_32BIT_KERNEL
1382 select CPU_SUPPORTS_64BIT_KERNEL
1383 select CPU_SUPPORTS_HUGEPAGES
1385 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1390 depends on SYS_HAS_CPU_R6000
1391 select CPU_SUPPORTS_32BIT_KERNEL
1393 MIPS Technologies R6000 and R6000A series processors. Note these
1394 processors are extremely rare and the support for them is incomplete.
1398 depends on SYS_HAS_CPU_NEVADA
1399 select CPU_SUPPORTS_32BIT_KERNEL
1400 select CPU_SUPPORTS_64BIT_KERNEL
1401 select CPU_SUPPORTS_HUGEPAGES
1403 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1407 depends on SYS_HAS_CPU_R8000
1408 select CPU_HAS_PREFETCH
1409 select CPU_SUPPORTS_64BIT_KERNEL
1411 MIPS Technologies R8000 processors. Note these processors are
1412 uncommon and the support for them is incomplete.
1416 depends on SYS_HAS_CPU_R10000
1417 select CPU_HAS_PREFETCH
1418 select CPU_SUPPORTS_32BIT_KERNEL
1419 select CPU_SUPPORTS_64BIT_KERNEL
1420 select CPU_SUPPORTS_HIGHMEM
1421 select CPU_SUPPORTS_HUGEPAGES
1423 MIPS Technologies R10000-series processors.
1427 depends on SYS_HAS_CPU_RM7000
1428 select CPU_HAS_PREFETCH
1429 select CPU_SUPPORTS_32BIT_KERNEL
1430 select CPU_SUPPORTS_64BIT_KERNEL
1431 select CPU_SUPPORTS_HIGHMEM
1432 select CPU_SUPPORTS_HUGEPAGES
1436 depends on SYS_HAS_CPU_SB1
1437 select CPU_SUPPORTS_32BIT_KERNEL
1438 select CPU_SUPPORTS_64BIT_KERNEL
1439 select CPU_SUPPORTS_HIGHMEM
1440 select CPU_SUPPORTS_HUGEPAGES
1441 select WEAK_ORDERING
1443 config CPU_CAVIUM_OCTEON
1444 bool "Cavium Octeon processor"
1445 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1446 select CPU_HAS_PREFETCH
1447 select CPU_SUPPORTS_64BIT_KERNEL
1448 select WEAK_ORDERING
1449 select CPU_SUPPORTS_HIGHMEM
1450 select CPU_SUPPORTS_HUGEPAGES
1451 select USB_EHCI_BIG_ENDIAN_MMIO
1452 select MIPS_L1_CACHE_SHIFT_7
1454 The Cavium Octeon processor is a highly integrated chip containing
1455 many ethernet hardware widgets for networking tasks. The processor
1456 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1457 Full details can be found at http://www.caviumnetworks.com.
1460 bool "Broadcom BMIPS"
1461 depends on SYS_HAS_CPU_BMIPS
1463 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1464 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1465 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1466 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1467 select CPU_SUPPORTS_32BIT_KERNEL
1468 select DMA_NONCOHERENT
1470 select SWAP_IO_SPACE
1471 select WEAK_ORDERING
1472 select CPU_SUPPORTS_HIGHMEM
1473 select CPU_HAS_PREFETCH
1475 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1478 bool "Netlogic XLR SoC"
1479 depends on SYS_HAS_CPU_XLR
1480 select CPU_SUPPORTS_32BIT_KERNEL
1481 select CPU_SUPPORTS_64BIT_KERNEL
1482 select CPU_SUPPORTS_HIGHMEM
1483 select CPU_SUPPORTS_HUGEPAGES
1484 select WEAK_ORDERING
1485 select WEAK_REORDERING_BEYOND_LLSC
1487 Netlogic Microsystems XLR/XLS processors.
1490 bool "Netlogic XLP SoC"
1491 depends on SYS_HAS_CPU_XLP
1492 select CPU_SUPPORTS_32BIT_KERNEL
1493 select CPU_SUPPORTS_64BIT_KERNEL
1494 select CPU_SUPPORTS_HIGHMEM
1495 select WEAK_ORDERING
1496 select WEAK_REORDERING_BEYOND_LLSC
1497 select CPU_HAS_PREFETCH
1500 Netlogic Microsystems XLP processors.
1503 config CPU_MIPS32_3_5_FEATURES
1504 bool "MIPS32 Release 3.5 Features"
1505 depends on SYS_HAS_CPU_MIPS32_R3_5
1506 depends on CPU_MIPS32_R2
1508 Choose this option to build a kernel for release 2 or later of the
1509 MIPS32 architecture including features from the 3.5 release such as
1510 support for Enhanced Virtual Addressing (EVA).
1512 config CPU_MIPS32_3_5_EVA
1513 bool "Enhanced Virtual Addressing (EVA)"
1514 depends on CPU_MIPS32_3_5_FEATURES
1518 Choose this option if you want to enable the Enhanced Virtual
1519 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1520 One of its primary benefits is an increase in the maximum size
1521 of lowmem (up to 3GB). If unsure, say 'N' here.
1524 config CPU_NOP_WORKAROUNDS
1527 config CPU_JUMP_WORKAROUNDS
1530 config CPU_LOONGSON2F_WORKAROUNDS
1531 bool "Loongson 2F Workarounds"
1533 select CPU_NOP_WORKAROUNDS
1534 select CPU_JUMP_WORKAROUNDS
1536 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1537 require workarounds. Without workarounds the system may hang
1538 unexpectedly. For more information please refer to the gas
1539 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1541 Loongson 2F03 and later have fixed these issues and no workarounds
1542 are needed. The workarounds have no significant side effect on them
1543 but may decrease the performance of the system so this option should
1544 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1547 If unsure, please say Y.
1548 endif # CPU_LOONGSON2F
1550 config SYS_SUPPORTS_ZBOOT
1552 select HAVE_KERNEL_GZIP
1553 select HAVE_KERNEL_BZIP2
1554 select HAVE_KERNEL_LZ4
1555 select HAVE_KERNEL_LZMA
1556 select HAVE_KERNEL_LZO
1557 select HAVE_KERNEL_XZ
1559 config SYS_SUPPORTS_ZBOOT_UART16550
1561 select SYS_SUPPORTS_ZBOOT
1563 config CPU_LOONGSON2
1565 select CPU_SUPPORTS_32BIT_KERNEL
1566 select CPU_SUPPORTS_64BIT_KERNEL
1567 select CPU_SUPPORTS_HIGHMEM
1568 select CPU_SUPPORTS_HUGEPAGES
1570 config CPU_LOONGSON1
1574 select CPU_HAS_PREFETCH
1575 select CPU_SUPPORTS_32BIT_KERNEL
1576 select CPU_SUPPORTS_HIGHMEM
1578 config CPU_BMIPS32_3300
1579 select SMP_UP if SMP
1582 config CPU_BMIPS4350
1584 select SYS_SUPPORTS_SMP
1585 select SYS_SUPPORTS_HOTPLUG_CPU
1587 config CPU_BMIPS4380
1589 select SYS_SUPPORTS_SMP
1590 select SYS_SUPPORTS_HOTPLUG_CPU
1592 config CPU_BMIPS5000
1594 select MIPS_CPU_SCACHE
1595 select SYS_SUPPORTS_SMP
1596 select SYS_SUPPORTS_HOTPLUG_CPU
1598 config SYS_HAS_CPU_LOONGSON3
1600 select CPU_SUPPORTS_CPUFREQ
1602 config SYS_HAS_CPU_LOONGSON2E
1605 config SYS_HAS_CPU_LOONGSON2F
1607 select CPU_SUPPORTS_CPUFREQ
1608 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1609 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1611 config SYS_HAS_CPU_LOONGSON1B
1614 config SYS_HAS_CPU_MIPS32_R1
1617 config SYS_HAS_CPU_MIPS32_R2
1620 config SYS_HAS_CPU_MIPS32_R3_5
1623 config SYS_HAS_CPU_MIPS64_R1
1626 config SYS_HAS_CPU_MIPS64_R2
1629 config SYS_HAS_CPU_R3000
1632 config SYS_HAS_CPU_TX39XX
1635 config SYS_HAS_CPU_VR41XX
1638 config SYS_HAS_CPU_R4300
1641 config SYS_HAS_CPU_R4X00
1644 config SYS_HAS_CPU_TX49XX
1647 config SYS_HAS_CPU_R5000
1650 config SYS_HAS_CPU_R5432
1653 config SYS_HAS_CPU_R5500
1656 config SYS_HAS_CPU_R6000
1659 config SYS_HAS_CPU_NEVADA
1662 config SYS_HAS_CPU_R8000
1665 config SYS_HAS_CPU_R10000
1668 config SYS_HAS_CPU_RM7000
1671 config SYS_HAS_CPU_SB1
1674 config SYS_HAS_CPU_CAVIUM_OCTEON
1677 config SYS_HAS_CPU_BMIPS
1680 config SYS_HAS_CPU_BMIPS32_3300
1682 select SYS_HAS_CPU_BMIPS
1684 config SYS_HAS_CPU_BMIPS4350
1686 select SYS_HAS_CPU_BMIPS
1688 config SYS_HAS_CPU_BMIPS4380
1690 select SYS_HAS_CPU_BMIPS
1692 config SYS_HAS_CPU_BMIPS5000
1694 select SYS_HAS_CPU_BMIPS
1696 config SYS_HAS_CPU_XLR
1699 config SYS_HAS_CPU_XLP
1702 config MIPS_MALTA_PM
1703 depends on MIPS_MALTA
1709 # CPU may reorder R->R, R->W, W->R, W->W
1710 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1712 config WEAK_ORDERING
1716 # CPU may reorder reads and writes beyond LL/SC
1717 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1719 config WEAK_REORDERING_BEYOND_LLSC
1724 # These two indicate any level of the MIPS32 and MIPS64 architecture
1728 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1732 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1735 # These two indicate the revision of the architecture, either Release 1 or Release 2
1739 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1743 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1748 config SYS_SUPPORTS_32BIT_KERNEL
1750 config SYS_SUPPORTS_64BIT_KERNEL
1752 config CPU_SUPPORTS_32BIT_KERNEL
1754 config CPU_SUPPORTS_64BIT_KERNEL
1756 config CPU_SUPPORTS_CPUFREQ
1758 config CPU_SUPPORTS_ADDRWINCFG
1760 config CPU_SUPPORTS_HUGEPAGES
1762 config CPU_SUPPORTS_UNCACHED_ACCELERATED
1764 config MIPS_PGD_C0_CONTEXT
1766 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1769 # Set to y for ptrace access to watch registers.
1771 config HARDWARE_WATCHPOINTS
1773 default y if CPU_MIPSR1 || CPU_MIPSR2
1778 prompt "Kernel code model"
1780 You should only select this option if you have a workload that
1781 actually benefits from 64-bit processing or if your machine has
1782 large memory. You will only be presented a single option in this
1783 menu if your system does not support both 32-bit and 64-bit kernels.
1786 bool "32-bit kernel"
1787 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1790 Select this option if you want to build a 32-bit kernel.
1792 bool "64-bit kernel"
1793 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1795 Select this option if you want to build a 64-bit kernel.
1800 bool "KVM Guest Kernel"
1801 depends on BROKEN_ON_SMP
1803 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1805 config KVM_GUEST_TIMER_FREQ
1806 int "Count/Compare Timer Frequency (MHz)"
1807 depends on KVM_GUEST
1810 Set this to non-zero if building a guest kernel for KVM to skip RTC
1811 emulation when determining guest CPU Frequency. Instead, the guest's
1812 timer frequency is specified directly.
1815 prompt "Kernel page size"
1816 default PAGE_SIZE_4KB
1818 config PAGE_SIZE_4KB
1820 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
1822 This option select the standard 4kB Linux page size. On some
1823 R3000-family processors this is the only available page size. Using
1824 4kB page size will minimize memory consumption and is therefore
1825 recommended for low memory systems.
1827 config PAGE_SIZE_8KB
1829 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1831 Using 8kB page size will result in higher performance kernel at
1832 the price of higher memory consumption. This option is available
1833 only on R8000 and cnMIPS processors. Note that you will need a
1834 suitable Linux distribution to support this.
1836 config PAGE_SIZE_16KB
1838 depends on !CPU_R3000 && !CPU_TX39XX
1840 Using 16kB page size will result in higher performance kernel at
1841 the price of higher memory consumption. This option is available on
1842 all non-R3000 family processors. Note that you will need a suitable
1843 Linux distribution to support this.
1845 config PAGE_SIZE_32KB
1847 depends on CPU_CAVIUM_OCTEON
1849 Using 32kB page size will result in higher performance kernel at
1850 the price of higher memory consumption. This option is available
1851 only on cnMIPS cores. Note that you will need a suitable Linux
1852 distribution to support this.
1854 config PAGE_SIZE_64KB
1856 depends on !CPU_R3000 && !CPU_TX39XX
1858 Using 64kB page size will result in higher performance kernel at
1859 the price of higher memory consumption. This option is available on
1860 all non-R3000 family processor. Not that at the time of this
1861 writing this option is still high experimental.
1865 config FORCE_MAX_ZONEORDER
1866 int "Maximum zone order"
1867 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1868 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1869 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1870 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1871 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1872 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1876 The kernel memory allocator divides physically contiguous memory
1877 blocks into "zones", where each zone is a power of two number of
1878 pages. This option selects the largest power of two that the kernel
1879 keeps in the memory allocator. If you need to allocate very large
1880 blocks of physically contiguous memory, then you may need to
1881 increase this value.
1883 This config option is actually maximum order plus one. For example,
1884 a value of 11 means that the largest free memory block is 2^10 pages.
1886 The page size is not necessarily 4KB. Keep this in mind
1887 when choosing a value for this option.
1890 bool "Use GIC global counter for clock events"
1891 depends on IRQ_GIC && !MIPS_SEAD3
1893 Use the GIC global counter for the clock events. The R4K clock
1894 event driver is always present, so if the platform ends up not
1895 detecting a GIC, it will fall back to the R4K timer for the
1896 generation of clock events.
1901 config IP22_CPU_SCACHE
1906 # Support for a MIPS32 / MIPS64 style S-caches
1908 config MIPS_CPU_SCACHE
1911 select MIPS_L1_CACHE_SHIFT_6
1913 config R5000_CPU_SCACHE
1917 config RM7000_CPU_SCACHE
1921 config SIBYTE_DMA_PAGEOPS
1922 bool "Use DMA to clear/copy pages"
1925 Instead of using the CPU to zero and copy pages, use a Data Mover
1926 channel. These DMA channels are otherwise unused by the standard
1927 SiByte Linux port. Seems to give a small performance benefit.
1929 config CPU_HAS_PREFETCH
1932 config CPU_GENERIC_DUMP_TLB
1934 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
1938 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1940 config CPU_R4K_CACHE_TLB
1942 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1945 bool "MIPS MT SMP support (1 TC on each available VPE)"
1946 depends on SYS_SUPPORTS_MULTITHREADING
1947 select CPU_MIPSR2_IRQ_VI
1948 select CPU_MIPSR2_IRQ_EI
1954 select SYS_SUPPORTS_SMP
1955 select SYS_SUPPORTS_SCHED_SMT
1956 select MIPS_PERF_SHARED_TC_COUNTERS
1958 This is a kernel model which is known as SMVP. This is supported
1959 on cores with the MT ASE and uses the available VPEs to implement
1960 virtual processors which supports SMP. This is equivalent to the
1961 Intel Hyperthreading feature. For further information go to
1962 <http://www.imgtec.com/mips/mips-multithreading.asp>.
1968 bool "SMT (multithreading) scheduler support"
1969 depends on SYS_SUPPORTS_SCHED_SMT
1972 SMT scheduler support improves the CPU scheduler's decision making
1973 when dealing with MIPS MT enabled cores at a cost of slightly
1974 increased overhead in some places. If unsure say N here.
1976 config SYS_SUPPORTS_SCHED_SMT
1979 config SYS_SUPPORTS_MULTITHREADING
1982 config MIPS_MT_FPAFF
1983 bool "Dynamic FPU affinity for FP-intensive threads"
1985 depends on MIPS_MT_SMP
1987 config MIPS_VPE_LOADER
1988 bool "VPE loader support."
1989 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
1990 select CPU_MIPSR2_IRQ_VI
1991 select CPU_MIPSR2_IRQ_EI
1994 Includes a loader for loading an elf relocatable object
1995 onto another VPE and running it.
1997 config MIPS_VPE_LOADER_CMP
2000 depends on MIPS_VPE_LOADER && MIPS_CMP
2002 config MIPS_VPE_LOADER_MT
2005 depends on MIPS_VPE_LOADER && !MIPS_CMP
2007 config MIPS_VPE_LOADER_TOM
2008 bool "Load VPE program into memory hidden from linux"
2009 depends on MIPS_VPE_LOADER
2012 The loader can use memory that is present but has been hidden from
2013 Linux using the kernel command line option "mem=xxMB". It's up to
2014 you to ensure the amount you put in the option and the space your
2015 program requires is less or equal to the amount physically present.
2017 config MIPS_VPE_APSP_API
2018 bool "Enable support for AP/SP API (RTLX)"
2019 depends on MIPS_VPE_LOADER
2022 config MIPS_VPE_APSP_API_CMP
2025 depends on MIPS_VPE_APSP_API && MIPS_CMP
2027 config MIPS_VPE_APSP_API_MT
2030 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2033 bool "MIPS CMP framework support (DEPRECATED)"
2034 depends on SYS_SUPPORTS_MIPS_CMP
2038 select SYS_SUPPORTS_SMP
2039 select WEAK_ORDERING
2042 Select this if you are using a bootloader which implements the "CMP
2043 framework" protocol (ie. YAMON) and want your kernel to make use of
2044 its ability to start secondary CPUs.
2046 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2050 bool "MIPS Coherent Processing System support"
2051 depends on SYS_SUPPORTS_MIPS_CPS
2054 select MIPS_CPS_PM if HOTPLUG_CPU
2057 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2058 select SYS_SUPPORTS_HOTPLUG_CPU
2059 select SYS_SUPPORTS_SMP
2060 select WEAK_ORDERING
2062 Select this if you wish to run an SMP kernel across multiple cores
2063 within a MIPS Coherent Processing System. When this option is
2064 enabled the kernel will probe for other cores and boot them with
2065 no external assistance. It is safe to enable this when hardware
2066 support is unavailable.
2082 config SB1_PASS_1_WORKAROUNDS
2084 depends on CPU_SB1_PASS_1
2087 config SB1_PASS_2_WORKAROUNDS
2089 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2092 config SB1_PASS_2_1_WORKAROUNDS
2094 depends on CPU_SB1 && CPU_SB1_PASS_2
2098 config 64BIT_PHYS_ADDR
2101 config ARCH_PHYS_ADDR_T_64BIT
2102 def_bool 64BIT_PHYS_ADDR
2104 config CPU_HAS_SMARTMIPS
2105 depends on SYS_SUPPORTS_SMARTMIPS
2106 bool "Support for the SmartMIPS ASE"
2108 SmartMIPS is a extension of the MIPS32 architecture aimed at
2109 increased security at both hardware and software level for
2110 smartcards. Enabling this option will allow proper use of the
2111 SmartMIPS instructions by Linux applications. However a kernel with
2112 this option will not work on a MIPS core without SmartMIPS core. If
2113 you don't know you probably don't have SmartMIPS and should say N
2116 config CPU_MICROMIPS
2117 depends on SYS_SUPPORTS_MICROMIPS
2118 bool "Build kernel using microMIPS ISA"
2120 When this option is enabled the kernel will be built using the
2124 bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
2125 depends on CPU_SUPPORTS_MSA
2126 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2128 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2129 and a set of SIMD instructions to operate on them. When this option
2130 is enabled the kernel will support allocating & switching MSA
2131 vector register contexts. If you know that your kernel will only be
2132 running on CPUs which do not support MSA or that your userland will
2133 not be making use of it then you may wish to say N here to reduce
2134 the size & complexity of your kernel.
2145 # Vectored interrupt mode is an R2 feature
2147 config CPU_MIPSR2_IRQ_VI
2151 # Extended interrupt mode is an R2 feature
2153 config CPU_MIPSR2_IRQ_EI
2158 depends on !CPU_R3000
2164 config CPU_DADDI_WORKAROUNDS
2167 config CPU_R4000_WORKAROUNDS
2169 select CPU_R4400_WORKAROUNDS
2171 config CPU_R4400_WORKAROUNDS
2175 # - Highmem only makes sense for the 32-bit kernel.
2176 # - The current highmem code will only work properly on physically indexed
2177 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2178 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2179 # moment we protect the user and offer the highmem option only on machines
2180 # where it's known to be safe. This will not offer highmem on a few systems
2181 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2182 # indexed CPUs but we're playing safe.
2183 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2184 # know they might have memory configurations that could make use of highmem
2188 bool "High Memory Support"
2189 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2191 config CPU_SUPPORTS_HIGHMEM
2194 config SYS_SUPPORTS_HIGHMEM
2197 config SYS_SUPPORTS_SMARTMIPS
2200 config SYS_SUPPORTS_MICROMIPS
2203 config SYS_SUPPORTS_MIPS16
2206 This option must be set if a kernel might be executed on a MIPS16-
2207 enabled CPU even if MIPS16 is not actually being used. In other
2208 words, it makes the kernel MIPS16-tolerant.
2210 config CPU_SUPPORTS_MSA
2213 config ARCH_FLATMEM_ENABLE
2215 depends on !NUMA && !CPU_LOONGSON2
2217 config ARCH_DISCONTIGMEM_ENABLE
2219 default y if SGI_IP27
2221 Say Y to support efficient handling of discontiguous physical memory,
2222 for architectures which are either NUMA (Non-Uniform Memory Access)
2223 or have huge holes in the physical address space for other reasons.
2224 See <file:Documentation/vm/numa> for more.
2226 config ARCH_SPARSEMEM_ENABLE
2228 select SPARSEMEM_STATIC
2232 depends on SYS_SUPPORTS_NUMA
2234 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2235 Access). This option improves performance on systems with more
2236 than two nodes; on two node systems it is generally better to
2237 leave it disabled; on single node systems disable this option
2240 config SYS_SUPPORTS_NUMA
2246 depends on NEED_MULTIPLE_NODES
2248 config HW_PERF_EVENTS
2249 bool "Enable hardware performance counter support for perf events"
2250 depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
2253 Enable hardware performance counter support for perf events. If
2254 disabled, perf events will use software events only.
2259 bool "Multi-Processing support"
2260 depends on SYS_SUPPORTS_SMP
2262 This enables support for systems with more than one CPU. If you have
2263 a system with only one CPU, say N. If you have a system with more
2264 than one CPU, say Y.
2266 If you say N here, the kernel will run on uni- and multiprocessor
2267 machines, but will use only one CPU of a multiprocessor machine. If
2268 you say Y here, the kernel will run on many, but not all,
2269 uniprocessor machines. On a uniprocessor machine, the kernel
2270 will run faster if you say N here.
2272 People using multiprocessor machines who say Y here should also say
2273 Y to "Enhanced Real Time Clock Support", below.
2275 See also the SMP-HOWTO available at
2276 <http://www.tldp.org/docs.html#howto>.
2278 If you don't know what to do here, say N.
2283 config SYS_SUPPORTS_MIPS_CMP
2286 config SYS_SUPPORTS_MIPS_CPS
2289 config SYS_SUPPORTS_SMP
2292 config NR_CPUS_DEFAULT_4
2295 config NR_CPUS_DEFAULT_8
2298 config NR_CPUS_DEFAULT_16
2301 config NR_CPUS_DEFAULT_32
2304 config NR_CPUS_DEFAULT_64
2308 int "Maximum number of CPUs (2-256)"
2311 default "4" if NR_CPUS_DEFAULT_4
2312 default "8" if NR_CPUS_DEFAULT_8
2313 default "16" if NR_CPUS_DEFAULT_16
2314 default "32" if NR_CPUS_DEFAULT_32
2315 default "64" if NR_CPUS_DEFAULT_64
2317 This allows you to specify the maximum number of CPUs which this
2318 kernel will support. The maximum supported value is 32 for 32-bit
2319 kernel and 64 for 64-bit kernels; the minimum value which makes
2320 sense is 1 for Qemu (useful only for kernel debugging purposes)
2321 and 2 for all others.
2323 This is purely to save memory - each supported CPU adds
2324 approximately eight kilobytes to the kernel image. For best
2325 performance should round up your number of processors to the next
2328 config MIPS_PERF_SHARED_TC_COUNTERS
2332 # Timer Interrupt Frequency Configuration
2336 prompt "Timer frequency"
2339 Allows the configuration of the timer frequency.
2342 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2345 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2348 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2351 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2354 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2357 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2360 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2364 config SYS_SUPPORTS_48HZ
2367 config SYS_SUPPORTS_100HZ
2370 config SYS_SUPPORTS_128HZ
2373 config SYS_SUPPORTS_250HZ
2376 config SYS_SUPPORTS_256HZ
2379 config SYS_SUPPORTS_1000HZ
2382 config SYS_SUPPORTS_1024HZ
2385 config SYS_SUPPORTS_ARBIT_HZ
2387 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2388 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2389 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2390 !SYS_SUPPORTS_1024HZ
2395 default 100 if HZ_100
2396 default 128 if HZ_128
2397 default 250 if HZ_250
2398 default 256 if HZ_256
2399 default 1000 if HZ_1000
2400 default 1024 if HZ_1024
2402 source "kernel/Kconfig.preempt"
2405 bool "Kexec system call"
2407 kexec is a system call that implements the ability to shutdown your
2408 current kernel, and to start another kernel. It is like a reboot
2409 but it is independent of the system firmware. And like a reboot
2410 you can start any kernel with it, not just Linux.
2412 The name comes from the similarity to the exec system call.
2414 It is an ongoing process to be certain the hardware in a machine
2415 is properly shutdown, so do not be surprised if this code does not
2416 initially work for you. As of this writing the exact hardware
2417 interface is strongly in flux, so no good recommendation can be
2421 bool "Kernel crash dumps"
2423 Generate crash dump after being started by kexec.
2424 This should be normally only set in special crash dump kernels
2425 which are loaded in the main kernel with kexec-tools into
2426 a specially reserved region and then later executed after
2427 a crash by kdump/kexec. The crash dump kernel must be compiled
2428 to a memory address not used by the main kernel or firmware using
2431 config PHYSICAL_START
2432 hex "Physical address where the kernel is loaded"
2433 default "0xffffffff84000000" if 64BIT
2434 default "0x84000000" if 32BIT
2435 depends on CRASH_DUMP
2437 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2438 If you plan to use kernel for capturing the crash dump change
2439 this value to start of the reserved region (the "X" value as
2440 specified in the "crashkernel=YM@XM" command line boot parameter
2441 passed to the panic-ed kernel).
2444 bool "Enable seccomp to safely compute untrusted bytecode"
2448 This kernel feature is useful for number crunching applications
2449 that may need to compute untrusted bytecode during their
2450 execution. By using pipes or other transports made available to
2451 the process as file descriptors supporting the read/write
2452 syscalls, it's possible to isolate those applications in
2453 their own address space using seccomp. Once seccomp is
2454 enabled via /proc/<pid>/seccomp, it cannot be disabled
2455 and the task is only allowed to execute a few safe syscalls
2456 defined by each seccomp mode.
2458 If unsure, say Y. Only embedded should say N here.
2460 config MIPS_O32_FP64_SUPPORT
2461 bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
2462 depends on 32BIT || MIPS32_O32
2464 When this is enabled, the kernel will support use of 64-bit floating
2465 point registers with binaries using the O32 ABI along with the
2466 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2467 32-bit MIPS systems this support is at the cost of increasing the
2468 size and complexity of the compiled FPU emulator. Thus if you are
2469 running a MIPS32 system and know that none of your userland binaries
2470 will require 64-bit floating point, you may wish to reduce the size
2471 of your kernel & potentially improve FP emulation performance by
2474 Although binutils currently supports use of this flag the details
2475 concerning its effect upon the O32 ABI in userland are still being
2476 worked on. In order to avoid userland becoming dependant upon current
2477 behaviour before the details have been finalised, this option should
2478 be considered experimental and only enabled by those working upon
2486 select OF_EARLY_FLATTREE
2494 config LOCKDEP_SUPPORT
2498 config STACKTRACE_SUPPORT
2502 source "init/Kconfig"
2504 source "kernel/Kconfig.freezer"
2506 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2514 bool "Support for PCI controller"
2515 depends on HW_HAS_PCI
2517 select NO_GENERIC_PCI_IOPORT_MAP
2519 Find out whether you have a PCI motherboard. PCI is the name of a
2520 bus system, i.e. the way the CPU talks to the other stuff inside
2521 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2525 bool "Support for HT-linked PCI"
2527 depends on CPU_LOONGSON3
2531 Loongson family machines use Hyper-Transport bus for inter-core
2532 connection and device connection. The PCI bus is a subordinate
2533 linked at HT. Choose Y for Loongson-3 based machines.
2538 source "drivers/pci/Kconfig"
2540 source "drivers/pci/pcie/Kconfig"
2543 # ISA support is now enabled via select. Too many systems still have the one
2544 # or other ISA chip on the board that users don't know about so don't expect
2545 # users to choose the right thing ...
2552 depends on HW_HAS_EISA
2554 select GENERIC_ISA_DMA
2556 The Extended Industry Standard Architecture (EISA) bus was
2557 developed as an open alternative to the IBM MicroChannel bus.
2559 The EISA bus provided some of the features of the IBM MicroChannel
2560 bus while maintaining backward compatibility with cards made for
2561 the older ISA bus. The EISA bus saw limited use between 1988 and
2562 1995 when it was made obsolete by the PCI bus.
2564 Say Y here if you are building a kernel for an EISA-based machine.
2568 source "drivers/eisa/Kconfig"
2571 bool "TURBOchannel support"
2572 depends on MACH_DECSTATION
2574 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2575 processors. TURBOchannel programming specifications are available
2577 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2579 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2580 Linux driver support status is documented at:
2581 <http://www.linux-mips.org/wiki/DECstation>
2591 select MIPS_EXTERNAL_TIMER
2599 source "drivers/pcmcia/Kconfig"
2601 source "drivers/pci/hotplug/Kconfig"
2604 tristate "RapidIO support"
2608 If you say Y here, the kernel will include drivers and
2609 infrastructure code to support RapidIO interconnect devices.
2611 source "drivers/rapidio/Kconfig"
2615 menu "Executable file formats"
2617 source "fs/Kconfig.binfmt"
2622 config MIPS32_COMPAT
2623 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2626 Select this option if you want Linux/MIPS 32-bit binary
2627 compatibility. Since all software available for Linux/MIPS is
2628 currently 32-bit you should say Y here.
2632 depends on MIPS32_COMPAT
2633 select ARCH_WANT_OLD_COMPAT_IPC
2636 config SYSVIPC_COMPAT
2638 depends on COMPAT && SYSVIPC
2642 bool "Kernel support for o32 binaries"
2643 depends on MIPS32_COMPAT
2645 Select this option if you want to run o32 binaries. These are pure
2646 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2647 existing binaries are in this format.
2652 bool "Kernel support for n32 binaries"
2653 depends on MIPS32_COMPAT
2655 Select this option if you want to run n32 binaries. These are
2656 64-bit binaries using 32-bit quantities for addressing and certain
2657 data that would normally be 64-bit. They are used in special
2664 default y if MIPS32_O32 || MIPS32_N32
2668 menu "Power management options"
2670 config ARCH_HIBERNATION_POSSIBLE
2672 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2674 config ARCH_SUSPEND_POSSIBLE
2676 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2678 source "kernel/power/Kconfig"
2682 config MIPS_EXTERNAL_TIMER
2685 menu "CPU Power Management"
2687 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2688 source "drivers/cpufreq/Kconfig"
2691 source "drivers/cpuidle/Kconfig"
2695 source "net/Kconfig"
2697 source "drivers/Kconfig"
2699 source "drivers/firmware/Kconfig"
2703 source "arch/mips/Kconfig.debug"
2705 source "security/Kconfig"
2707 source "crypto/Kconfig"
2709 source "lib/Kconfig"
2711 source "arch/mips/kvm/Kconfig"