xref: /linux/arch/mips/Kconfig (revision af0cfb2c44ee5cd3c86d1ffd054d318f536cb6dd)
11da177e4SLinus Torvaldsconfig MIPS
21da177e4SLinus Torvalds	bool
31da177e4SLinus Torvalds	default y
440e084a5SRalf Baechle	select ARCH_SUPPORTS_UPROBES
5a862a426SMark Salter	select ARCH_MIGHT_HAVE_PC_PARPORT
6393c1262SMark Salter	select ARCH_MIGHT_HAVE_PC_SERIO
75fac4f7aSPaul Burton	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
8c3fc5cd5SRalf Baechle	select HAVE_CONTEXT_TRACKING
9f8ac0425SYoichi Yuasa	select HAVE_GENERIC_DMA_COHERENT
10ec7748b5SSam Ravnborg	select HAVE_IDE
1142d4b839SMathieu Desnoyers	select HAVE_OPROFILE
127f788d2dSDeng-Cheng Zhu	select HAVE_PERF_EVENTS
137f788d2dSDeng-Cheng Zhu	select PERF_USE_VMALLOC
1488547001SJason Wessel	select HAVE_ARCH_KGDB
15490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
16c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
173f5fdb4bSMarkos Chandras	select HAVE_BPF_JIT if !CPU_MICROMIPS
18d2bb0762SWu Zhangjin	select HAVE_FUNCTION_TRACER
19538f1952SWu Zhangjin	select HAVE_DYNAMIC_FTRACE
20538f1952SWu Zhangjin	select HAVE_FTRACE_MCOUNT_RECORD
2164575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
2229c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
23c1bf207dSDavid Daney	select HAVE_KPROBES
24c1bf207dSDavid Daney	select HAVE_KRETPROBES
25fb59e394SRalf Baechle	select HAVE_SYSCALL_TRACEPOINTS
26b69ec42bSCatalin Marinas	select HAVE_DEBUG_KMEMLEAK
271d7bf993SRalf Baechle	select HAVE_SYSCALL_TRACEPOINTS
282b68f6caSKees Cook	select ARCH_HAS_ELF_RANDOMIZE
29383c97b4SBen Hutchings	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
3030ad29bbSHuacai Chen	select RTC_LIB if !MACH_LOONGSON64
312b78920dSDeng-Cheng Zhu	select GENERIC_ATOMIC64 if !64BIT
327463449bSCatalin Marinas	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
3348e1fd5aSDavid Daney	select HAVE_DMA_ATTRS
34f4649382SZubair Lutfullah Kakakhel	select HAVE_DMA_CONTIGUOUS
3548e1fd5aSDavid Daney	select HAVE_DMA_API_DEBUG
363bd27e32SDavid Daney	select GENERIC_IRQ_PROBE
37f8396c17SThomas Gleixner	select GENERIC_IRQ_SHOW
3878857614SMarkos Chandras	select GENERIC_PCI_IOMAP
3994bb0c1aSDavid Daney	select HAVE_ARCH_JUMP_LABEL
40c1d7e01dSWill Deacon	select ARCH_WANT_IPC_PARSE_VERSION
410f462e3cSThomas Gleixner	select IRQ_FORCED_THREADING
429d15ffc8STejun Heo	select HAVE_MEMBLOCK
439d15ffc8STejun Heo	select HAVE_MEMBLOCK_NODE_MAP
449d15ffc8STejun Heo	select ARCH_DISCARD_MEMBLOCK
45360014a3SThomas Gleixner	select GENERIC_SMP_IDLE_THREAD
464b054495SDavid Daney	select BUILDTIME_EXTABLE_SORT
47cde1794bSAnna-Maria Gleixner	select GENERIC_CLOCKEVENTS
48929de4ccSDeng-Cheng Zhu	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49cde1794bSAnna-Maria Gleixner	select GENERIC_CMOS_UPDATE
50786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
514febd95aSStephen Rothwell	select VIRT_TO_BUS
522f12fb20SJoshua Kinard	select MODULES_USE_ELF_REL if MODULES
532f12fb20SJoshua Kinard	select MODULES_USE_ELF_RELA if MODULES && 64BIT
5450150d2bSAl Viro	select CLONE_BACKWARDS
55d1a1dc0bSDave Hansen	select HAVE_DEBUG_STACKOVERFLOW
5619952a92SKees Cook	select HAVE_CC_STACKPROTECTOR
57b1d4c6caSJames Hogan	select CPU_PM if CPU_IDLE
58cc7964afSPaul Burton	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
5990cee759SPaul Burton	select ARCH_BINFMT_ELF_STATE
60d79d853dSMarkos Chandras	select SYSCTL_EXCEPTION_TRACE
61bb877e96SDeng-Cheng Zhu	select HAVE_VIRT_CPU_ACCOUNTING_GEN
62ec9ddad3SDeng-Cheng Zhu	select HAVE_IRQ_TIME_ACCOUNTING
631da177e4SLinus Torvalds
641da177e4SLinus Torvaldsmenu "Machine selection"
651da177e4SLinus Torvalds
665e83d430SRalf Baechlechoice
675e83d430SRalf Baechle	prompt "System type"
685e83d430SRalf Baechle	default SGI_IP22
691da177e4SLinus Torvalds
7042a4f17dSManuel Laussconfig MIPS_ALCHEMY
71c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
7234adb28dSRalf Baechle	select ARCH_PHYS_ADDR_T_64BIT
73f772cdb2SRalf Baechle	select CEVT_R4K
74d7ea335cSSteven J. Hill	select CSRC_R4K
7567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7688e9a93cSManuel Lauss	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
7742a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
7842a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
7942a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
80efb12436SAlexandre Courbot	select ARCH_REQUIRE_GPIOLIB
811b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
8247440229SManuel Lauss	select COMMON_CLK
831da177e4SLinus Torvalds
847ca5dc14SFlorian Fainelliconfig AR7
857ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
867ca5dc14SFlorian Fainelli	select BOOT_ELF32
877ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
887ca5dc14SFlorian Fainelli	select CEVT_R4K
897ca5dc14SFlorian Fainelli	select CSRC_R4K
9067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
917ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
927ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
937ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
947ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
957ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
967ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
97377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
981b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
995f3c9098SFlorian Fainelli	select ARCH_REQUIRE_GPIOLIB
1007ca5dc14SFlorian Fainelli	select VLYNQ
1018551fb64SYoichi Yuasa	select HAVE_CLK
1027ca5dc14SFlorian Fainelli	help
1037ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
1047ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
1057ca5dc14SFlorian Fainelli
10643cc739fSSergey Ryazanovconfig ATH25
10743cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
10843cc739fSSergey Ryazanov	select CEVT_R4K
10943cc739fSSergey Ryazanov	select CSRC_R4K
11043cc739fSSergey Ryazanov	select DMA_NONCOHERENT
11167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1121753e74eSSergey Ryazanov	select IRQ_DOMAIN
11343cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
11443cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
11543cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
1168aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
11743cc739fSSergey Ryazanov	help
11843cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
11943cc739fSSergey Ryazanov
120d4a67d9dSGabor Juhosconfig ATH79
121d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
1226eae43c5SGabor Juhos	select ARCH_REQUIRE_GPIOLIB
123d4a67d9dSGabor Juhos	select BOOT_RAW
124d4a67d9dSGabor Juhos	select CEVT_R4K
125d4a67d9dSGabor Juhos	select CSRC_R4K
126d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
12794638067SGabor Juhos	select HAVE_CLK
128411520afSAlban Bedel	select COMMON_CLK
1292c4f1ac5SGabor Juhos	select CLKDEV_LOOKUP
13067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1310aabf1a4SGabor Juhos	select MIPS_MACHINE
132d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
133d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
134d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
135d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
136377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
137da628e8bSAlban Bedel	select SYS_SUPPORTS_ZBOOT
13803c8c407SAlban Bedel	select USE_OF
139d4a67d9dSGabor Juhos	help
140d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
141d4a67d9dSGabor Juhos
1425f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
1435f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
144d666cd02SKevin Cernekee	select BOOT_RAW
145d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
146d666cd02SKevin Cernekee	select USE_OF
147d666cd02SKevin Cernekee	select CEVT_R4K
148d666cd02SKevin Cernekee	select CSRC_R4K
149d666cd02SKevin Cernekee	select SYNC_R4K
150d666cd02SKevin Cernekee	select COMMON_CLK
15160b858f2SKevin Cernekee	select BCM7038_L1_IRQ
15260b858f2SKevin Cernekee	select BCM7120_L2_IRQ
15360b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
15467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
15560b858f2SKevin Cernekee	select DMA_NONCOHERENT
156d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
15760b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
158d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
159d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
16060b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
16160b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
16260b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
163d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
164d666cd02SKevin Cernekee	select SWAP_IO_SPACE
16560b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
16660b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
16760b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
16860b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
169d666cd02SKevin Cernekee	help
1705f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
1715f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
1725f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
1735f2d4459SKevin Cernekee	  must be set appropriately for your board.
174d666cd02SKevin Cernekee
1751c0c13ebSAurelien Jarnoconfig BCM47XX
176c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
1772da4c74dSHauke Mehrtens	select ARCH_WANT_OPTIONAL_GPIOLIB
178fe08f8c2SHauke Mehrtens	select BOOT_RAW
17942f77542SRalf Baechle	select CEVT_R4K
180940f6b48SRalf Baechle	select CSRC_R4K
1811c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
1821c0c13ebSAurelien Jarno	select HW_HAS_PCI
18367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
184314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
185dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
1861c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
1871c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
188377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
18925e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
190e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
191c949c0bcSRafał Miłecki	select GPIOLIB
192c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
193f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
1941c0c13ebSAurelien Jarno	help
1951c0c13ebSAurelien Jarno	 Support for BCM47XX based boards
1961c0c13ebSAurelien Jarno
197e7300d04SMaxime Bizonconfig BCM63XX
198e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
199ae8de61cSFlorian Fainelli	select BOOT_RAW
200e7300d04SMaxime Bizon	select CEVT_R4K
201e7300d04SMaxime Bizon	select CSRC_R4K
202fc264022SJonas Gorski	select SYNC_R4K
203e7300d04SMaxime Bizon	select DMA_NONCOHERENT
20467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
205e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
206e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
207e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
208e7300d04SMaxime Bizon	select SWAP_IO_SPACE
209e7300d04SMaxime Bizon	select ARCH_REQUIRE_GPIOLIB
2103e82eeebSYoichi Yuasa	select HAVE_CLK
211af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
212e7300d04SMaxime Bizon	help
213e7300d04SMaxime Bizon	 Support for BCM63XX based boards
214e7300d04SMaxime Bizon
2151da177e4SLinus Torvaldsconfig MIPS_COBALT
2163fa986faSMartin Michlmayr	bool "Cobalt Server"
21742f77542SRalf Baechle	select CEVT_R4K
218940f6b48SRalf Baechle	select CSRC_R4K
2191097c6acSYoichi Yuasa	select CEVT_GT641XX
2201da177e4SLinus Torvalds	select DMA_NONCOHERENT
2211da177e4SLinus Torvalds	select HW_HAS_PCI
222d865bea4SRalf Baechle	select I8253
2231da177e4SLinus Torvalds	select I8259
22467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
225d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
226252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
227e25bfc92SYoichi Yuasa	select PCI
2287cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
2290a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
230ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
2310e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
2325e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
233e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
2341da177e4SLinus Torvalds
2351da177e4SLinus Torvaldsconfig MACH_DECSTATION
2363fa986faSMartin Michlmayr	bool "DECstations"
2371da177e4SLinus Torvalds	select BOOT_ELF32
2386457d9fcSYoichi Yuasa	select CEVT_DS1287
23981d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
2404247417dSYoichi Yuasa	select CSRC_IOASIC
24181d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
24220d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
24320d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
24420d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
2451da177e4SLinus Torvalds	select DMA_NONCOHERENT
246ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
24767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2487cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
2497cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
250ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
2517d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
2525e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
2531723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
2541723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
2551723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
256930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
2575e83d430SRalf Baechle	help
2581da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
2591da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
2601da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
2611da177e4SLinus Torvalds
2621da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
2631da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
2641da177e4SLinus Torvalds
2651da177e4SLinus Torvalds		DECstation 5000/50
2661da177e4SLinus Torvalds		DECstation 5000/150
2671da177e4SLinus Torvalds		DECstation 5000/260
2681da177e4SLinus Torvalds		DECsystem 5900/260
2691da177e4SLinus Torvalds
2701da177e4SLinus Torvalds	  otherwise choose R3000.
2711da177e4SLinus Torvalds
2725e83d430SRalf Baechleconfig MACH_JAZZ
2733fa986faSMartin Michlmayr	bool "Jazz family of machines"
2740e2794b0SRalf Baechle	select FW_ARC
2750e2794b0SRalf Baechle	select FW_ARC32
2765e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
27742f77542SRalf Baechle	select CEVT_R4K
278940f6b48SRalf Baechle	select CSRC_R4K
279e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
2805e83d430SRalf Baechle	select GENERIC_ISA_DMA
2818a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
28267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
283d865bea4SRalf Baechle	select I8253
2845e83d430SRalf Baechle	select I8259
2855e83d430SRalf Baechle	select ISA
2867cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
2875e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
2887d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
2891723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
2901da177e4SLinus Torvalds	help
2915e83d430SRalf Baechle	 This a family of machines based on the MIPS R4030 chipset which was
2925e83d430SRalf Baechle	 used by several vendors to build RISC/os and Windows NT workstations.
293692105b8SMatt LaPlante	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
2945e83d430SRalf Baechle	 Olivetti M700-10 workstations.
2955e83d430SRalf Baechle
296de361e8bSPaul Burtonconfig MACH_INGENIC
297de361e8bSPaul Burton	bool "Ingenic SoC based machines"
2985ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
2995ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
300f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
3015ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
30267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3035ebabe59SLars-Peter Clausen	select ARCH_REQUIRE_GPIOLIB
304ff1930c6SPaul Burton	select COMMON_CLK
30583bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
306ffb1843dSPaul Burton	select BUILTIN_DTB
307ffb1843dSPaul Burton	select USE_OF
3086ec127fbSPaul Burton	select LIBFDT
3095ebabe59SLars-Peter Clausen
310171bb2f1SJohn Crispinconfig LANTIQ
311171bb2f1SJohn Crispin	bool "Lantiq based platforms"
312171bb2f1SJohn Crispin	select DMA_NONCOHERENT
31367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
314171bb2f1SJohn Crispin	select CEVT_R4K
315171bb2f1SJohn Crispin	select CSRC_R4K
316171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
317171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
318171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
319171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
320377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
321171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
322171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
323171bb2f1SJohn Crispin	select ARCH_REQUIRE_GPIOLIB
324171bb2f1SJohn Crispin	select SWAP_IO_SPACE
325171bb2f1SJohn Crispin	select BOOT_RAW
326287e3f3fSJohn Crispin	select HAVE_MACH_CLKDEV
327287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
328a0392222SJohn Crispin	select USE_OF
3293f8c50c9SJohn Crispin	select PINCTRL
3303f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
331c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
332c530781cSJohn Crispin	select RESET_CONTROLLER
333171bb2f1SJohn Crispin
3341f21d2bdSBrian Murphyconfig LASAT
3351f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
33642f77542SRalf Baechle	select CEVT_R4K
33716f0bbbcSRalf Baechle	select CRC32
338940f6b48SRalf Baechle	select CSRC_R4K
3391f21d2bdSBrian Murphy	select DMA_NONCOHERENT
3401f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
3411f21d2bdSBrian Murphy	select HW_HAS_PCI
34267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3431f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
3441f21d2bdSBrian Murphy	select MIPS_NILE4
3451f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
3461f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
3471f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
3481f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
3491f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
3501f21d2bdSBrian Murphy
35130ad29bbSHuacai Chenconfig MACH_LOONGSON32
35230ad29bbSHuacai Chen	bool "Loongson-1 family of machines"
353c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
354ade299d8SYoichi Yuasa	help
35530ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
35685749d24SWu Zhangjin
35730ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
35830ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
35930ad29bbSHuacai Chen	  Sciences (CAS).
360ade299d8SYoichi Yuasa
36130ad29bbSHuacai Chenconfig MACH_LOONGSON64
36230ad29bbSHuacai Chen	bool "Loongson-2/3 family of machines"
363ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
364ca585cf9SKelvin Cheung	help
36530ad29bbSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
366ca585cf9SKelvin Cheung
36730ad29bbSHuacai Chen	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
36830ad29bbSHuacai Chen	  family of multi-core CPUs. They are both 64-bit general-purpose
36930ad29bbSHuacai Chen	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
37030ad29bbSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
37130ad29bbSHuacai Chen	  in the People's Republic of China. The chief architect is Professor
37230ad29bbSHuacai Chen	  Weiwu Hu.
373ca585cf9SKelvin Cheung
3746a438309SAndrew Brestickerconfig MACH_PISTACHIO
3756a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
3766a438309SAndrew Bresticker	select ARCH_REQUIRE_GPIOLIB
3776a438309SAndrew Bresticker	select BOOT_ELF32
3786a438309SAndrew Bresticker	select BOOT_RAW
3796a438309SAndrew Bresticker	select CEVT_R4K
3806a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
3816a438309SAndrew Bresticker	select COMMON_CLK
3826a438309SAndrew Bresticker	select CSRC_R4K
3836a438309SAndrew Bresticker	select DMA_MAYBE_COHERENT
38467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3856a438309SAndrew Bresticker	select LIBFDT
3866a438309SAndrew Bresticker	select MFD_SYSCON
3876a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
3886a438309SAndrew Bresticker	select MIPS_GIC
3896a438309SAndrew Bresticker	select PINCTRL
3906a438309SAndrew Bresticker	select REGULATOR
3916a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
3926a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
3936a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
3946a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
3956a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
3966a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
397018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
398018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
3996a438309SAndrew Bresticker	select USE_OF
4006a438309SAndrew Bresticker	help
4016a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
4026a438309SAndrew Bresticker
4031da177e4SLinus Torvaldsconfig MIPS_MALTA
4043fa986faSMartin Michlmayr	bool "MIPS Malta board"
40561ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
4061da177e4SLinus Torvalds	select BOOT_ELF32
407fa71c960SRalf Baechle	select BOOT_RAW
408e8823d26SPaul Burton	select BUILTIN_DTB
40942f77542SRalf Baechle	select CEVT_R4K
410940f6b48SRalf Baechle	select CSRC_R4K
411fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
41242b002abSGuenter Roeck	select COMMON_CLK
413885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
4141da177e4SLinus Torvalds	select GENERIC_ISA_DMA
4158a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
41667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4178a19b8f1SAndrew Bresticker	select MIPS_GIC
4181da177e4SLinus Torvalds	select HW_HAS_PCI
419d865bea4SRalf Baechle	select I8253
4201da177e4SLinus Torvalds	select I8259
4215e83d430SRalf Baechle	select MIPS_BONITO64
4229318c51aSChris Dearman	select MIPS_CPU_SCACHE
423a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
424252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
4255e83d430SRalf Baechle	select MIPS_MSC
4261da177e4SLinus Torvalds	select SWAP_IO_SPACE
4277cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
4287cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
429bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
430c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
431575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
4327cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
4335d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
434575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
4357cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
4367cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
437ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
438ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
4395e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
440c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
4415e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
442424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
4430365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
444e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
445377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
446f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
4479693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
4481b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
449e8823d26SPaul Burton	select USE_OF
450abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
4511da177e4SLinus Torvalds	help
452f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
4531da177e4SLinus Torvalds	  board.
4541da177e4SLinus Torvalds
455ec47b274SSteven J. Hillconfig MIPS_SEAD3
456ec47b274SSteven J. Hill	bool "MIPS SEAD3 board"
457ec47b274SSteven J. Hill	select BOOT_ELF32
458ec47b274SSteven J. Hill	select BOOT_RAW
459f262b5f2SAndrew Bresticker	select BUILTIN_DTB
460ec47b274SSteven J. Hill	select CEVT_R4K
461ec47b274SSteven J. Hill	select CSRC_R4K
462fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
46342b002abSGuenter Roeck	select COMMON_CLK
464ec47b274SSteven J. Hill	select CPU_MIPSR2_IRQ_VI
465ec47b274SSteven J. Hill	select CPU_MIPSR2_IRQ_EI
466ec47b274SSteven J. Hill	select DMA_NONCOHERENT
46767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4688a19b8f1SAndrew Bresticker	select MIPS_GIC
46944327236SQais Yousef	select LIBFDT
470ec47b274SSteven J. Hill	select MIPS_MSC
471ec47b274SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R1
472ec47b274SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R2
473ec47b274SSteven J. Hill	select SYS_HAS_CPU_MIPS64_R1
474ec47b274SSteven J. Hill	select SYS_HAS_EARLY_PRINTK
475ec47b274SSteven J. Hill	select SYS_SUPPORTS_32BIT_KERNEL
476ec47b274SSteven J. Hill	select SYS_SUPPORTS_64BIT_KERNEL
477ec47b274SSteven J. Hill	select SYS_SUPPORTS_BIG_ENDIAN
478ec47b274SSteven J. Hill	select SYS_SUPPORTS_LITTLE_ENDIAN
479ec47b274SSteven J. Hill	select SYS_SUPPORTS_SMARTMIPS
480a6a4834cSSteven J. Hill	select SYS_SUPPORTS_MICROMIPS
481377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
482ec47b274SSteven J. Hill	select USB_EHCI_BIG_ENDIAN_DESC
483ec47b274SSteven J. Hill	select USB_EHCI_BIG_ENDIAN_MMIO
4849b731009SSteven J. Hill	select USE_OF
485ec47b274SSteven J. Hill	help
486ec47b274SSteven J. Hill	  This enables support for the MIPS Technologies SEAD3 evaluation
487ec47b274SSteven J. Hill	  board.
488ec47b274SSteven J. Hill
489a83860c2SRalf Baechleconfig NEC_MARKEINS
490a83860c2SRalf Baechle	bool "NEC EMMA2RH Mark-eins board"
491a83860c2SRalf Baechle	select SOC_EMMA2RH
492a83860c2SRalf Baechle	select HW_HAS_PCI
493a83860c2SRalf Baechle	help
494a83860c2SRalf Baechle	  This enables support for the NEC Electronics Mark-eins boards.
495ade299d8SYoichi Yuasa
4965e83d430SRalf Baechleconfig MACH_VR41XX
49774142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
49842f77542SRalf Baechle	select CEVT_R4K
499940f6b48SRalf Baechle	select CSRC_R4K
5007cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
501377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
50227fdd325SYoichi Yuasa	select ARCH_REQUIRE_GPIOLIB
5035e83d430SRalf Baechle
504edb6310aSDaniel Lairdconfig NXP_STB220
505edb6310aSDaniel Laird	bool "NXP STB220 board"
506edb6310aSDaniel Laird	select SOC_PNX833X
507edb6310aSDaniel Laird	help
508edb6310aSDaniel Laird	 Support for NXP Semiconductors STB220 Development Board.
509edb6310aSDaniel Laird
510edb6310aSDaniel Lairdconfig NXP_STB225
511edb6310aSDaniel Laird	bool "NXP 225 board"
512edb6310aSDaniel Laird	select SOC_PNX833X
513edb6310aSDaniel Laird	select SOC_PNX8335
514edb6310aSDaniel Laird	help
515edb6310aSDaniel Laird	 Support for NXP Semiconductors STB225 Development Board.
516edb6310aSDaniel Laird
5179267a30dSMarc St-Jeanconfig PMC_MSP
5189267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
51939d30c13SAnoop P A	select CEVT_R4K
52039d30c13SAnoop P A	select CSRC_R4K
5219267a30dSMarc St-Jean	select DMA_NONCOHERENT
5229267a30dSMarc St-Jean	select SWAP_IO_SPACE
5239267a30dSMarc St-Jean	select NO_EXCEPT_FILL
5249267a30dSMarc St-Jean	select BOOT_RAW
5259267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
5269267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
5279267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
5289267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
529377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
53067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5319267a30dSMarc St-Jean	select SERIAL_8250
5329267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
5339296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_MMIO
5349296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_DESC
5359267a30dSMarc St-Jean	help
5369267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
5379267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
5389267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
5399267a30dSMarc St-Jean	  a variety of MIPS cores.
5409267a30dSMarc St-Jean
541ae2b5bb6SJohn Crispinconfig RALINK
542ae2b5bb6SJohn Crispin	bool "Ralink based machines"
543ae2b5bb6SJohn Crispin	select CEVT_R4K
544ae2b5bb6SJohn Crispin	select CSRC_R4K
545ae2b5bb6SJohn Crispin	select BOOT_RAW
546ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
54767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
548ae2b5bb6SJohn Crispin	select USE_OF
549ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
550ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
551ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
552ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
553377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
554ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
555ae2b5bb6SJohn Crispin	select HAVE_MACH_CLKDEV
556ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
5572a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
5582a153f1cSJohn Crispin	select RESET_CONTROLLER
559ae2b5bb6SJohn Crispin
5601da177e4SLinus Torvaldsconfig SGI_IP22
5613fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
5620e2794b0SRalf Baechle	select FW_ARC
5630e2794b0SRalf Baechle	select FW_ARC32
5641da177e4SLinus Torvalds	select BOOT_ELF32
56542f77542SRalf Baechle	select CEVT_R4K
566940f6b48SRalf Baechle	select CSRC_R4K
567e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
5681da177e4SLinus Torvalds	select DMA_NONCOHERENT
5695e83d430SRalf Baechle	select HW_HAS_EISA
570d865bea4SRalf Baechle	select I8253
57168de4803SThomas Bogendoerfer	select I8259
5721da177e4SLinus Torvalds	select IP22_CPU_SCACHE
57367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
574aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
575e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
576e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
57736e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
578e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
579e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
580e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
5811da177e4SLinus Torvalds	select SWAP_IO_SPACE
5827cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
5837cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
5842b5e63f6SMartin Michlmayr	#
5852b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
5862b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
5872b5e63f6SMartin Michlmayr	#
5882b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
5892b5e63f6SMartin Michlmayr	# for a more details discussion
5902b5e63f6SMartin Michlmayr	#
5912b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
592ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
593ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5945e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
595930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
5961da177e4SLinus Torvalds	help
5971da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
5981da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
5991da177e4SLinus Torvalds	  that runs on these, say Y here.
6001da177e4SLinus Torvalds
6011da177e4SLinus Torvaldsconfig SGI_IP27
6023fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
6030e2794b0SRalf Baechle	select FW_ARC
6040e2794b0SRalf Baechle	select FW_ARC64
6055e83d430SRalf Baechle	select BOOT_ELF64
606e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
607634286f1SRalf Baechle	select DMA_COHERENT
60836a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
6091da177e4SLinus Torvalds	select HW_HAS_PCI
610130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
6117cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
612ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6135e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
614d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
6151a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
616930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6171da177e4SLinus Torvalds	help
6181da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
6191da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
6201da177e4SLinus Torvalds	  here.
6211da177e4SLinus Torvalds
622e2defae5SThomas Bogendoerferconfig SGI_IP28
6237d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
6240e2794b0SRalf Baechle	select FW_ARC
6250e2794b0SRalf Baechle	select FW_ARC64
626e2defae5SThomas Bogendoerfer	select BOOT_ELF64
627e2defae5SThomas Bogendoerfer	select CEVT_R4K
628e2defae5SThomas Bogendoerfer	select CSRC_R4K
629e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
630e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
631e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
63267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
633e2defae5SThomas Bogendoerfer	select HW_HAS_EISA
634e2defae5SThomas Bogendoerfer	select I8253
635e2defae5SThomas Bogendoerfer	select I8259
636e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
637e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
6385b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
639e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
640e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
641e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
642e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
643e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
6442b5e63f6SMartin Michlmayr	#
6452b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
6462b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
6472b5e63f6SMartin Michlmayr	#
6482b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
6492b5e63f6SMartin Michlmayr	# for a more details discussion
6502b5e63f6SMartin Michlmayr	#
6512b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
652e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
653e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
654dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
655e2defae5SThomas Bogendoerfer      help
656e2defae5SThomas Bogendoerfer        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
657e2defae5SThomas Bogendoerfer        kernel that runs on these, say Y here.
658e2defae5SThomas Bogendoerfer
6591da177e4SLinus Torvaldsconfig SGI_IP32
660cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
6610e2794b0SRalf Baechle	select FW_ARC
6620e2794b0SRalf Baechle	select FW_ARC32
6631da177e4SLinus Torvalds	select BOOT_ELF32
66442f77542SRalf Baechle	select CEVT_R4K
665940f6b48SRalf Baechle	select CSRC_R4K
6661da177e4SLinus Torvalds	select DMA_NONCOHERENT
6671da177e4SLinus Torvalds	select HW_HAS_PCI
66867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
6691da177e4SLinus Torvalds	select R5000_CPU_SCACHE
6701da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
6717cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
6727cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
6737cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
674dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
675ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6765e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
6771da177e4SLinus Torvalds	help
6781da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
6791da177e4SLinus Torvalds
680ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
681ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
6825e83d430SRalf Baechle	select BOOT_ELF32
6835e83d430SRalf Baechle	select DMA_COHERENT
6845e83d430SRalf Baechle	select SIBYTE_BCM1120
6855e83d430SRalf Baechle	select SWAP_IO_SPACE
6867cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
6875e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
6885e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
6895e83d430SRalf Baechle
690ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
691ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
6925e83d430SRalf Baechle	select BOOT_ELF32
6935e83d430SRalf Baechle	select DMA_COHERENT
6945e83d430SRalf Baechle	select SIBYTE_BCM1120
6955e83d430SRalf Baechle	select SWAP_IO_SPACE
6967cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
6975e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
6985e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
6995e83d430SRalf Baechle
7005e83d430SRalf Baechleconfig SIBYTE_CRHONE
7013fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
7025e83d430SRalf Baechle	select BOOT_ELF32
7035e83d430SRalf Baechle	select DMA_COHERENT
7045e83d430SRalf Baechle	select SIBYTE_BCM1125
7055e83d430SRalf Baechle	select SWAP_IO_SPACE
7067cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7075e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7085e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7095e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7105e83d430SRalf Baechle
711ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
712ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
713ade299d8SYoichi Yuasa	select BOOT_ELF32
714ade299d8SYoichi Yuasa	select DMA_COHERENT
715ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
716ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
717ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
718ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
719ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
720ade299d8SYoichi Yuasa
721ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
722ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
723ade299d8SYoichi Yuasa	select BOOT_ELF32
724ade299d8SYoichi Yuasa	select DMA_COHERENT
725fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
726ade299d8SYoichi Yuasa	select SIBYTE_SB1250
727ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
728ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
729ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
730ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
731ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
732cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
733ade299d8SYoichi Yuasa
734ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
735ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
736ade299d8SYoichi Yuasa	select BOOT_ELF32
737ade299d8SYoichi Yuasa	select DMA_COHERENT
738fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
739ade299d8SYoichi Yuasa	select SIBYTE_SB1250
740ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
741ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
742ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
743ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
744ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
745ade299d8SYoichi Yuasa
746ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
747ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
748ade299d8SYoichi Yuasa	select BOOT_ELF32
749ade299d8SYoichi Yuasa	select DMA_COHERENT
750ade299d8SYoichi Yuasa	select SIBYTE_SB1250
751ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
752ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
753ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
754ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
755ade299d8SYoichi Yuasa
756ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
757ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
758ade299d8SYoichi Yuasa	select BOOT_ELF32
759ade299d8SYoichi Yuasa	select DMA_COHERENT
760ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
761ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
762ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
763ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
764ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
765651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
766ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
767cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
768ade299d8SYoichi Yuasa
76914b36af4SThomas Bogendoerferconfig SNI_RM
77014b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
7710e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
7720e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
773aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
7745e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
7755e83d430SRalf Baechle	select BOOT_ELF32
77642f77542SRalf Baechle	select CEVT_R4K
777940f6b48SRalf Baechle	select CSRC_R4K
778e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
7795e83d430SRalf Baechle	select DMA_NONCOHERENT
7805e83d430SRalf Baechle	select GENERIC_ISA_DMA
7818a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
7825e83d430SRalf Baechle	select HW_HAS_EISA
7835e83d430SRalf Baechle	select HW_HAS_PCI
78467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
785d865bea4SRalf Baechle	select I8253
7865e83d430SRalf Baechle	select I8259
7875e83d430SRalf Baechle	select ISA
7884a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7897cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
7904a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
791c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7924a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
79336a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
794ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
7957d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
7964a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7975e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7985e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7991da177e4SLinus Torvalds	help
80014b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
80114b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
8025e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
8035e83d430SRalf Baechle	  support this machine type.
8041da177e4SLinus Torvalds
805edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
806edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
8075e83d430SRalf Baechle
808edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
809edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
81023fbee9dSRalf Baechle
81173b4390fSRalf Baechleconfig MIKROTIK_RB532
81273b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
81373b4390fSRalf Baechle	select CEVT_R4K
81473b4390fSRalf Baechle	select CSRC_R4K
81573b4390fSRalf Baechle	select DMA_NONCOHERENT
81673b4390fSRalf Baechle	select HW_HAS_PCI
81767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
81873b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
81973b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
82073b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
82173b4390fSRalf Baechle	select SWAP_IO_SPACE
82273b4390fSRalf Baechle	select BOOT_RAW
823d888e25bSFlorian Fainelli	select ARCH_REQUIRE_GPIOLIB
824930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
82573b4390fSRalf Baechle	help
82673b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
82773b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
82873b4390fSRalf Baechle
8299ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
8309ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
831a86c7f72SDavid Daney	select CEVT_R4K
83234adb28dSRalf Baechle	select ARCH_PHYS_ADDR_T_64BIT
833a86c7f72SDavid Daney	select DMA_COHERENT
834a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
835a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
836f65aad41SRalf Baechle	select EDAC_SUPPORT
837b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
83873569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
83973569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
840a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
8415e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
842a86c7f72SDavid Daney	select SWAP_IO_SPACE
843e8635b48SDavid Daney	select HW_HAS_PCI
844f00e001eSDavid Daney	select ZONE_DMA32
845465aaed0SDavid Daney	select HOLES_IN_ZONE
84699cab4bbSDavid Daney	select ARCH_REQUIRE_GPIOLIB
8476e511163SDavid Daney	select LIBFDT
8486e511163SDavid Daney	select USE_OF
8496e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
8506e511163SDavid Daney	select SYS_SUPPORTS_SMP
8516e511163SDavid Daney	select NR_CPUS_DEFAULT_16
852e326479fSAndrew Bresticker	select BUILTIN_DTB
8538c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
854a86c7f72SDavid Daney	help
855a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
856a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
857a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
858a86c7f72SDavid Daney	  Some of the supported boards are:
859a86c7f72SDavid Daney		EBT3000
860a86c7f72SDavid Daney		EBH3000
861a86c7f72SDavid Daney		EBH3100
862a86c7f72SDavid Daney		Thunder
863a86c7f72SDavid Daney		Kodama
864a86c7f72SDavid Daney		Hikari
865a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
866a86c7f72SDavid Daney
8677f058e85SJayachandran Cconfig NLM_XLR_BOARD
8687f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
8697f058e85SJayachandran C	select BOOT_ELF32
8707f058e85SJayachandran C	select NLM_COMMON
8717f058e85SJayachandran C	select SYS_HAS_CPU_XLR
8727f058e85SJayachandran C	select SYS_SUPPORTS_SMP
8737f058e85SJayachandran C	select HW_HAS_PCI
8747f058e85SJayachandran C	select SWAP_IO_SPACE
8757f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
8767f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
87734adb28dSRalf Baechle	select ARCH_PHYS_ADDR_T_64BIT
8787f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
8797f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
8807f058e85SJayachandran C	select DMA_COHERENT
8817f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
8827f058e85SJayachandran C	select CEVT_R4K
8837f058e85SJayachandran C	select CSRC_R4K
88467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
885b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
8867f058e85SJayachandran C	select SYNC_R4K
8877f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
8888f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
8898f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
8907f058e85SJayachandran C	help
8917f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
8927f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
8937f058e85SJayachandran C
8941c773ea4SJayachandran Cconfig NLM_XLP_BOARD
8951c773ea4SJayachandran C	bool "Netlogic XLP based systems"
8961c773ea4SJayachandran C	select BOOT_ELF32
8971c773ea4SJayachandran C	select NLM_COMMON
8981c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
8991c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
9001c773ea4SJayachandran C	select HW_HAS_PCI
9011c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9021c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
90334adb28dSRalf Baechle	select ARCH_PHYS_ADDR_T_64BIT
904079e3160SKamlakant Patel	select ARCH_REQUIRE_GPIOLIB
9051c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9061c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
9071c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9081c773ea4SJayachandran C	select DMA_COHERENT
9091c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
9101c773ea4SJayachandran C	select CEVT_R4K
9111c773ea4SJayachandran C	select CSRC_R4K
91267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
913b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9141c773ea4SJayachandran C	select SYNC_R4K
9151c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
9162f6528e1SJayachandran C	select USE_OF
9178f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9188f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9191c773ea4SJayachandran C	help
9201c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
9211c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
9221c773ea4SJayachandran C
9239bc463beSDavid Daneyconfig MIPS_PARAVIRT
9249bc463beSDavid Daney	bool "Para-Virtualized guest system"
9259bc463beSDavid Daney	select CEVT_R4K
9269bc463beSDavid Daney	select CSRC_R4K
9279bc463beSDavid Daney	select DMA_COHERENT
9289bc463beSDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
9299bc463beSDavid Daney	select SYS_SUPPORTS_32BIT_KERNEL
9309bc463beSDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
9319bc463beSDavid Daney	select SYS_SUPPORTS_SMP
9329bc463beSDavid Daney	select NR_CPUS_DEFAULT_4
9339bc463beSDavid Daney	select SYS_HAS_EARLY_PRINTK
9349bc463beSDavid Daney	select SYS_HAS_CPU_MIPS32_R2
9359bc463beSDavid Daney	select SYS_HAS_CPU_MIPS64_R2
9369bc463beSDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
9379bc463beSDavid Daney	select HW_HAS_PCI
9389bc463beSDavid Daney	select SWAP_IO_SPACE
9399bc463beSDavid Daney	help
9409bc463beSDavid Daney	  This option supports guest running under ????
9419bc463beSDavid Daney
9421da177e4SLinus Torvaldsendchoice
9431da177e4SLinus Torvalds
944e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
9453b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
946d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
947a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
948e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
9498945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
9505e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
9515ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
9528ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
9531f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
954*af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
9550f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig"
956ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
95729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
95838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
95922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
9605e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
961a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
96230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
96330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
9647f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
965ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig"
96638b18f72SRalf Baechle
9675e83d430SRalf Baechleendmenu
9685e83d430SRalf Baechle
9691da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
9701da177e4SLinus Torvalds	bool
9711da177e4SLinus Torvalds	default y
9721da177e4SLinus Torvalds
9731da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM
9741da177e4SLinus Torvalds	bool
9751da177e4SLinus Torvalds
976f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32
977f0d1b0b3SDavid Howells	bool
978f0d1b0b3SDavid Howells	default n
979f0d1b0b3SDavid Howells
980f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64
981f0d1b0b3SDavid Howells	bool
982f0d1b0b3SDavid Howells	default n
983f0d1b0b3SDavid Howells
9843c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
9853c9ee7efSAkinobu Mita	bool
9863c9ee7efSAkinobu Mita	default y
9873c9ee7efSAkinobu Mita
9881da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
9891da177e4SLinus Torvalds	bool
9901da177e4SLinus Torvalds	default y
9911da177e4SLinus Torvalds
992ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
9931cc89038SAtsushi Nemoto	bool
9941cc89038SAtsushi Nemoto	default y
9951cc89038SAtsushi Nemoto
9961da177e4SLinus Torvalds#
9971da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
9981da177e4SLinus Torvalds#
9990e2794b0SRalf Baechleconfig FW_ARC
10001da177e4SLinus Torvalds	bool
10011da177e4SLinus Torvalds
100261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
100361ed242dSRalf Baechle	bool
100461ed242dSRalf Baechle
10059267a30dSMarc St-Jeanconfig BOOT_RAW
10069267a30dSMarc St-Jean	bool
10079267a30dSMarc St-Jean
1008217dd11eSRalf Baechleconfig CEVT_BCM1480
1009217dd11eSRalf Baechle	bool
1010217dd11eSRalf Baechle
10116457d9fcSYoichi Yuasaconfig CEVT_DS1287
10126457d9fcSYoichi Yuasa	bool
10136457d9fcSYoichi Yuasa
10141097c6acSYoichi Yuasaconfig CEVT_GT641XX
10151097c6acSYoichi Yuasa	bool
10161097c6acSYoichi Yuasa
101742f77542SRalf Baechleconfig CEVT_R4K
101842f77542SRalf Baechle	bool
101942f77542SRalf Baechle
1020217dd11eSRalf Baechleconfig CEVT_SB1250
1021217dd11eSRalf Baechle	bool
1022217dd11eSRalf Baechle
1023229f773eSAtsushi Nemotoconfig CEVT_TXX9
1024229f773eSAtsushi Nemoto	bool
1025229f773eSAtsushi Nemoto
1026217dd11eSRalf Baechleconfig CSRC_BCM1480
1027217dd11eSRalf Baechle	bool
1028217dd11eSRalf Baechle
10294247417dSYoichi Yuasaconfig CSRC_IOASIC
10304247417dSYoichi Yuasa	bool
10314247417dSYoichi Yuasa
1032940f6b48SRalf Baechleconfig CSRC_R4K
1033940f6b48SRalf Baechle	bool
1034940f6b48SRalf Baechle
1035217dd11eSRalf Baechleconfig CSRC_SB1250
1036217dd11eSRalf Baechle	bool
1037217dd11eSRalf Baechle
1038a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
10397444a72eSMichael Buesch	select ARCH_REQUIRE_GPIOLIB
1040a9aec7feSAtsushi Nemoto	bool
1041a9aec7feSAtsushi Nemoto
10420e2794b0SRalf Baechleconfig FW_CFE
1043df78b5c8SAurelien Jarno	bool
1044df78b5c8SAurelien Jarno
10454bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT
104634adb28dSRalf Baechle	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
10474bafad92SFUJITA Tomonori
104840e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
104940e084a5SRalf Baechle	bool
105040e084a5SRalf Baechle
1051885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1052885014bcSFelix Fietkau	select DMA_NONCOHERENT
1053885014bcSFelix Fietkau	bool
1054885014bcSFelix Fietkau
10551da177e4SLinus Torvaldsconfig DMA_COHERENT
10561da177e4SLinus Torvalds	bool
10571da177e4SLinus Torvalds
10581da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
10591da177e4SLinus Torvalds	bool
1060e1e02b32SFUJITA Tomonori	select NEED_DMA_MAP_STATE
10614ce588cdSRalf Baechle
1062e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE
10634ce588cdSRalf Baechle	bool
10641da177e4SLinus Torvalds
106536a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
10661da177e4SLinus Torvalds	bool
10671da177e4SLinus Torvalds
1068dbb74540SRalf Baechleconfig HOTPLUG_CPU
10691b2bc75cSRalf Baechle	bool "Support for hot-pluggable CPUs"
107040b31360SStephen Rothwell	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
10711b2bc75cSRalf Baechle	help
10721b2bc75cSRalf Baechle	  Say Y here to allow turning CPUs off and on. CPUs can be
10731b2bc75cSRalf Baechle	  controlled through /sys/devices/system/cpu.
10741b2bc75cSRalf Baechle	  (Note: power management support will enable this option
10751b2bc75cSRalf Baechle	    automatically on SMP systems. )
10761b2bc75cSRalf Baechle	  Say N if you want to disable CPU hotplug.
10771b2bc75cSRalf Baechle
10781b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1079dbb74540SRalf Baechle	bool
1080dbb74540SRalf Baechle
10811da177e4SLinus Torvaldsconfig I8259
10821da177e4SLinus Torvalds	bool
1083079a4601SAndrew Bresticker	select IRQ_DOMAIN
10841da177e4SLinus Torvalds
10851da177e4SLinus Torvaldsconfig MIPS_BONITO64
10861da177e4SLinus Torvalds	bool
10871da177e4SLinus Torvalds
10881da177e4SLinus Torvaldsconfig MIPS_MSC
10891da177e4SLinus Torvalds	bool
10901da177e4SLinus Torvalds
10911f21d2bdSBrian Murphyconfig MIPS_NILE4
10921f21d2bdSBrian Murphy	bool
10931f21d2bdSBrian Murphy
109439b8d525SRalf Baechleconfig SYNC_R4K
109539b8d525SRalf Baechle	bool
109639b8d525SRalf Baechle
1097487d70d0SGabor Juhosconfig MIPS_MACHINE
1098487d70d0SGabor Juhos	def_bool n
1099487d70d0SGabor Juhos
1100ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1101d388d685SMaciej W. Rozycki	def_bool n
1102d388d685SMaciej W. Rozycki
11034e0748f5SMarkos Chandrasconfig GENERIC_CSUM
11044e0748f5SMarkos Chandras	bool
11054e0748f5SMarkos Chandras
11068313da30SRalf Baechleconfig GENERIC_ISA_DMA
11078313da30SRalf Baechle	bool
11088313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1109a35bee8aSNamhyung Kim	select ISA_DMA_API
11108313da30SRalf Baechle
1111aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1112aa414dffSRalf Baechle	bool
11138313da30SRalf Baechle	select GENERIC_ISA_DMA
1114aa414dffSRalf Baechle
1115a35bee8aSNamhyung Kimconfig ISA_DMA_API
1116a35bee8aSNamhyung Kim	bool
1117a35bee8aSNamhyung Kim
1118465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1119465aaed0SDavid Daney	bool
1120465aaed0SDavid Daney
11215e83d430SRalf Baechle#
11226b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
11235e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
11245e83d430SRalf Baechle# choice statement should be more obvious to the user.
11255e83d430SRalf Baechle#
11265e83d430SRalf Baechlechoice
11276b2aac42SMasanari Iida	prompt "Endianness selection"
11281da177e4SLinus Torvalds	help
11291da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
11305e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
11313cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
11325e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
11333dde6ad8SDavid Sterba	  one or the other endianness.
11345e83d430SRalf Baechle
11355e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
11365e83d430SRalf Baechle	bool "Big endian"
11375e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
11385e83d430SRalf Baechle
11395e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
11405e83d430SRalf Baechle	bool "Little endian"
11415e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
11425e83d430SRalf Baechle
11435e83d430SRalf Baechleendchoice
11445e83d430SRalf Baechle
114522b0763aSDavid Daneyconfig EXPORT_UASM
114622b0763aSDavid Daney	bool
114722b0763aSDavid Daney
11482116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
11492116245eSRalf Baechle	bool
11502116245eSRalf Baechle
11515e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
11525e83d430SRalf Baechle	bool
11535e83d430SRalf Baechle
11545e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
11555e83d430SRalf Baechle	bool
11561da177e4SLinus Torvalds
11579cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
11589cffd154SDavid Daney	bool
11599cffd154SDavid Daney	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
11609cffd154SDavid Daney	default y
11619cffd154SDavid Daney
1162aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1163aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1164aa1762f4SDavid Daney
11651da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
11661da177e4SLinus Torvalds	bool
11671da177e4SLinus Torvalds
11689267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
11699267a30dSMarc St-Jean	bool
11709267a30dSMarc St-Jean
11719267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
11729267a30dSMarc St-Jean	bool
11739267a30dSMarc St-Jean
11748420fd00SAtsushi Nemotoconfig IRQ_TXX9
11758420fd00SAtsushi Nemoto	bool
11768420fd00SAtsushi Nemoto
1177d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1178d5ab1a69SYoichi Yuasa	bool
1179d5ab1a69SYoichi Yuasa
1180252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
11811da177e4SLinus Torvalds	bool
11821da177e4SLinus Torvalds
11839267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
11849267a30dSMarc St-Jean	bool
11859267a30dSMarc St-Jean
1186a83860c2SRalf Baechleconfig SOC_EMMA2RH
1187a83860c2SRalf Baechle	bool
1188a83860c2SRalf Baechle	select CEVT_R4K
1189a83860c2SRalf Baechle	select CSRC_R4K
1190a83860c2SRalf Baechle	select DMA_NONCOHERENT
119167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1192a83860c2SRalf Baechle	select SWAP_IO_SPACE
1193a83860c2SRalf Baechle	select SYS_HAS_CPU_R5500
1194a83860c2SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
1195a83860c2SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
1196a83860c2SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
1197a83860c2SRalf Baechle
1198edb6310aSDaniel Lairdconfig SOC_PNX833X
1199edb6310aSDaniel Laird	bool
1200edb6310aSDaniel Laird	select CEVT_R4K
1201edb6310aSDaniel Laird	select CSRC_R4K
120267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1203edb6310aSDaniel Laird	select DMA_NONCOHERENT
1204edb6310aSDaniel Laird	select SYS_HAS_CPU_MIPS32_R2
1205edb6310aSDaniel Laird	select SYS_SUPPORTS_32BIT_KERNEL
1206edb6310aSDaniel Laird	select SYS_SUPPORTS_LITTLE_ENDIAN
1207edb6310aSDaniel Laird	select SYS_SUPPORTS_BIG_ENDIAN
1208377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1209edb6310aSDaniel Laird	select CPU_MIPSR2_IRQ_VI
1210edb6310aSDaniel Laird
1211edb6310aSDaniel Lairdconfig SOC_PNX8335
1212edb6310aSDaniel Laird	bool
1213edb6310aSDaniel Laird	select SOC_PNX833X
1214edb6310aSDaniel Laird
1215a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1216a7e07b1aSMarkos Chandras	bool
1217a7e07b1aSMarkos Chandras
12181da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12191da177e4SLinus Torvalds	bool
12201da177e4SLinus Torvalds
1221e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1222e2defae5SThomas Bogendoerfer	bool
1223e2defae5SThomas Bogendoerfer
12245b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12255b438c44SThomas Bogendoerfer	bool
12265b438c44SThomas Bogendoerfer
1227e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1228e2defae5SThomas Bogendoerfer	bool
1229e2defae5SThomas Bogendoerfer
1230e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1231e2defae5SThomas Bogendoerfer	bool
1232e2defae5SThomas Bogendoerfer
1233e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1234e2defae5SThomas Bogendoerfer	bool
1235e2defae5SThomas Bogendoerfer
1236e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1237e2defae5SThomas Bogendoerfer	bool
1238e2defae5SThomas Bogendoerfer
1239e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1240e2defae5SThomas Bogendoerfer	bool
1241e2defae5SThomas Bogendoerfer
12420e2794b0SRalf Baechleconfig FW_ARC32
12435e83d430SRalf Baechle	bool
12445e83d430SRalf Baechle
1245aaa9fad3SPaul Bolleconfig FW_SNIPROM
1246231a35d3SThomas Bogendoerfer	bool
1247231a35d3SThomas Bogendoerfer
12481da177e4SLinus Torvaldsconfig BOOT_ELF32
12491da177e4SLinus Torvalds	bool
12501da177e4SLinus Torvalds
1251930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1252930beb5aSFlorian Fainelli	bool
1253930beb5aSFlorian Fainelli
1254930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1255930beb5aSFlorian Fainelli	bool
1256930beb5aSFlorian Fainelli
1257930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1258930beb5aSFlorian Fainelli	bool
1259930beb5aSFlorian Fainelli
1260930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1261930beb5aSFlorian Fainelli	bool
1262930beb5aSFlorian Fainelli
12631da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
12641da177e4SLinus Torvalds	int
1265a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
12665432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
12675432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
12685432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
12691da177e4SLinus Torvalds	default "5"
12701da177e4SLinus Torvalds
12711da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT
12721da177e4SLinus Torvalds	bool
12731da177e4SLinus Torvalds
12741da177e4SLinus Torvaldsconfig ARC_CONSOLE
12751da177e4SLinus Torvalds	bool "ARC console support"
1276e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
12771da177e4SLinus Torvalds
12781da177e4SLinus Torvaldsconfig ARC_MEMORY
12791da177e4SLinus Torvalds	bool
128014b36af4SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP32
12811da177e4SLinus Torvalds	default y
12821da177e4SLinus Torvalds
12831da177e4SLinus Torvaldsconfig ARC_PROMLIB
12841da177e4SLinus Torvalds	bool
1285e2defae5SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
12861da177e4SLinus Torvalds	default y
12871da177e4SLinus Torvalds
12880e2794b0SRalf Baechleconfig FW_ARC64
12891da177e4SLinus Torvalds	bool
12901da177e4SLinus Torvalds
12911da177e4SLinus Torvaldsconfig BOOT_ELF64
12921da177e4SLinus Torvalds	bool
12931da177e4SLinus Torvalds
12941da177e4SLinus Torvaldsmenu "CPU selection"
12951da177e4SLinus Torvalds
12961da177e4SLinus Torvaldschoice
12971da177e4SLinus Torvalds	prompt "CPU type"
12981da177e4SLinus Torvalds	default CPU_R4X00
12991da177e4SLinus Torvalds
13000e476d91SHuacai Chenconfig CPU_LOONGSON3
13010e476d91SHuacai Chen	bool "Loongson 3 CPU"
13020e476d91SHuacai Chen	depends on SYS_HAS_CPU_LOONGSON3
13030e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13040e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13050e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
13060e476d91SHuacai Chen	select WEAK_ORDERING
13070e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
1308cbfb3ea7SHuacai Chen	select ARCH_REQUIRE_GPIOLIB
13090e476d91SHuacai Chen	help
13100e476d91SHuacai Chen		The Loongson 3 processor implements the MIPS64R2 instruction
13110e476d91SHuacai Chen		set with many extensions.
13120e476d91SHuacai Chen
13133702bba5SWu Zhangjinconfig CPU_LOONGSON2E
13143702bba5SWu Zhangjin	bool "Loongson 2E"
13153702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
13163702bba5SWu Zhangjin	select CPU_LOONGSON2
13172a21c730SFuxin Zhang	help
13182a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
13192a21c730SFuxin Zhang	  with many extensions.
13202a21c730SFuxin Zhang
132125985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
13226f7a251aSWu Zhangjin	  bonito64.
13236f7a251aSWu Zhangjin
13246f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
13256f7a251aSWu Zhangjin	bool "Loongson 2F"
13266f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
13276f7a251aSWu Zhangjin	select CPU_LOONGSON2
1328c197da91SArnaud Patard	select ARCH_REQUIRE_GPIOLIB
13296f7a251aSWu Zhangjin	help
13306f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
13316f7a251aSWu Zhangjin	  with many extensions.
13326f7a251aSWu Zhangjin
13336f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
13346f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
13356f7a251aSWu Zhangjin	  Loongson2E.
13366f7a251aSWu Zhangjin
1337ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1338ca585cf9SKelvin Cheung	bool "Loongson 1B"
1339ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1340ca585cf9SKelvin Cheung	select CPU_LOONGSON1
1341ca585cf9SKelvin Cheung	help
1342ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1343ca585cf9SKelvin Cheung	  release 2 instruction set.
1344ca585cf9SKelvin Cheung
13456e760c8dSRalf Baechleconfig CPU_MIPS32_R1
13466e760c8dSRalf Baechle	bool "MIPS32 Release 1"
13477cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
13486e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1349797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1350ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
13516e760c8dSRalf Baechle	help
13525e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
13531e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
13541e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
13551e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
13561e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
13571e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
13581e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
13591e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
13601e5f1caaSRalf Baechle	  performance.
13611e5f1caaSRalf Baechle
13621e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
13631e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
13647cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
13651e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1366797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1367ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1368a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
13692235a54dSSanjay Lal	select HAVE_KVM
13701e5f1caaSRalf Baechle	help
13715e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
13726e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
13736e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
13746e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
13756e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
13761da177e4SLinus Torvalds
13777fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1378674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
13797fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
13807fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
13817fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
13827fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
13837fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
13844e0748f5SMarkos Chandras	select GENERIC_CSUM
13857fd08ca5SLeonid Yegoshin	select HAVE_KVM
13867fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
13877fd08ca5SLeonid Yegoshin	help
13887fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
13897fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
13907fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
13917fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
13927fd08ca5SLeonid Yegoshin
13936e760c8dSRalf Baechleconfig CPU_MIPS64_R1
13946e760c8dSRalf Baechle	bool "MIPS64 Release 1"
13957cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1396797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1397ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1398ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1399ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14009cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
14016e760c8dSRalf Baechle	help
14026e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14036e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
14046e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
14056e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14066e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
14071e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
14081e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
14091e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
14101e5f1caaSRalf Baechle	  performance.
14111e5f1caaSRalf Baechle
14121e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
14131e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
14147cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1415797798c1SRalf Baechle	select CPU_HAS_PREFETCH
14161e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
14171e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1418ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14199cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1420a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
14211e5f1caaSRalf Baechle	help
14221e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
14231e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
14241e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
14251e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14261e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
14271da177e4SLinus Torvalds
14287fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1429674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
14307fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
14317fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
14327fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
14337fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
14347fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
14357fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
14364e0748f5SMarkos Chandras	select GENERIC_CSUM
14374e9d324dSPaul Burton	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
14387fd08ca5SLeonid Yegoshin	help
14397fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
14407fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
14417fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
14427fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
14437fd08ca5SLeonid Yegoshin
14441da177e4SLinus Torvaldsconfig CPU_R3000
14451da177e4SLinus Torvalds	bool "R3000"
14467cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1447f7062ddbSRalf Baechle	select CPU_HAS_WB
1448ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1449797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14501da177e4SLinus Torvalds	help
14511da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
14521da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
14531da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
14541da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
14551da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
14561da177e4SLinus Torvalds	  try to recompile with R3000.
14571da177e4SLinus Torvalds
14581da177e4SLinus Torvaldsconfig CPU_TX39XX
14591da177e4SLinus Torvalds	bool "R39XX"
14607cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1461ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
14621da177e4SLinus Torvalds
14631da177e4SLinus Torvaldsconfig CPU_VR41XX
14641da177e4SLinus Torvalds	bool "R41xx"
14657cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1466ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1467ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
14681da177e4SLinus Torvalds	help
14695e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
14701da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
14711da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
14721da177e4SLinus Torvalds	  processor or vice versa.
14731da177e4SLinus Torvalds
14741da177e4SLinus Torvaldsconfig CPU_R4300
14751da177e4SLinus Torvalds	bool "R4300"
14767cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4300
1477ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1478ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
14791da177e4SLinus Torvalds	help
14801da177e4SLinus Torvalds	  MIPS Technologies R4300-series processors.
14811da177e4SLinus Torvalds
14821da177e4SLinus Torvaldsconfig CPU_R4X00
14831da177e4SLinus Torvalds	bool "R4x00"
14847cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1485ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1486ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1487970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
14881da177e4SLinus Torvalds	help
14891da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
14901da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
14911da177e4SLinus Torvalds
14921da177e4SLinus Torvaldsconfig CPU_TX49XX
14931da177e4SLinus Torvalds	bool "R49XX"
14947cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1495de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1496ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1497ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1498970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
14991da177e4SLinus Torvalds
15001da177e4SLinus Torvaldsconfig CPU_R5000
15011da177e4SLinus Torvalds	bool "R5000"
15027cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1503ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1504ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1505970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15061da177e4SLinus Torvalds	help
15071da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
15081da177e4SLinus Torvalds
15091da177e4SLinus Torvaldsconfig CPU_R5432
15101da177e4SLinus Torvalds	bool "R5432"
15117cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5432
15125e83d430SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15135e83d430SRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1514970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15151da177e4SLinus Torvalds
1516542c1020SShinya Kuribayashiconfig CPU_R5500
1517542c1020SShinya Kuribayashi	bool "R5500"
1518542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1519542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1520542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
15219cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1522542c1020SShinya Kuribayashi	help
1523542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1524542c1020SShinya Kuribayashi	  instruction set.
1525542c1020SShinya Kuribayashi
15261da177e4SLinus Torvaldsconfig CPU_R6000
15271da177e4SLinus Torvalds	bool "R6000"
15287cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R6000
1529ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
15301da177e4SLinus Torvalds	help
15311da177e4SLinus Torvalds	  MIPS Technologies R6000 and R6000A series processors.  Note these
1532c09b47d8SChris Dearman	  processors are extremely rare and the support for them is incomplete.
15331da177e4SLinus Torvalds
15341da177e4SLinus Torvaldsconfig CPU_NEVADA
15351da177e4SLinus Torvalds	bool "RM52xx"
15367cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1537ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1538ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1539970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15401da177e4SLinus Torvalds	help
15411da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
15421da177e4SLinus Torvalds
15431da177e4SLinus Torvaldsconfig CPU_R8000
15441da177e4SLinus Torvalds	bool "R8000"
15457cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R8000
15465e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1547ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
15481da177e4SLinus Torvalds	help
15491da177e4SLinus Torvalds	  MIPS Technologies R8000 processors.  Note these processors are
15501da177e4SLinus Torvalds	  uncommon and the support for them is incomplete.
15511da177e4SLinus Torvalds
15521da177e4SLinus Torvaldsconfig CPU_R10000
15531da177e4SLinus Torvalds	bool "R10000"
15547cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
15555e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1556ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1557ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1558797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1559970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15601da177e4SLinus Torvalds	help
15611da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
15621da177e4SLinus Torvalds
15631da177e4SLinus Torvaldsconfig CPU_RM7000
15641da177e4SLinus Torvalds	bool "RM7000"
15657cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
15665e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1567ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1568ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1569797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1570970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15711da177e4SLinus Torvalds
15721da177e4SLinus Torvaldsconfig CPU_SB1
15731da177e4SLinus Torvalds	bool "SB1"
15747cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1575ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1576ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1577797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1578970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
15790004a9dfSRalf Baechle	select WEAK_ORDERING
15801da177e4SLinus Torvalds
1581a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1582a86c7f72SDavid Daney	bool "Cavium Octeon processor"
15835e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1584a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1585a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1586a86c7f72SDavid Daney	select WEAK_ORDERING
1587a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
15889cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1589df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1590df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1591930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
1592a86c7f72SDavid Daney	help
1593a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1594a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1595a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1596a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1597a86c7f72SDavid Daney
1598cd746249SJonas Gorskiconfig CPU_BMIPS
1599cd746249SJonas Gorski	bool "Broadcom BMIPS"
1600cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1601cd746249SJonas Gorski	select CPU_MIPS32
1602fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1603cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1604cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1605cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1606cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1607cd746249SJonas Gorski	select DMA_NONCOHERENT
160867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1609cd746249SJonas Gorski	select SWAP_IO_SPACE
1610cd746249SJonas Gorski	select WEAK_ORDERING
1611c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
161269aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1613c1c0c461SKevin Cernekee	help
1614fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1615c1c0c461SKevin Cernekee
16167f058e85SJayachandran Cconfig CPU_XLR
16177f058e85SJayachandran C	bool "Netlogic XLR SoC"
16187f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
16197f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
16207f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
16217f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1622970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16237f058e85SJayachandran C	select WEAK_ORDERING
16247f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
16257f058e85SJayachandran C	help
16267f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
16271c773ea4SJayachandran C
16281c773ea4SJayachandran Cconfig CPU_XLP
16291c773ea4SJayachandran C	bool "Netlogic XLP SoC"
16301c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
16311c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
16321c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
16331c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
16341c773ea4SJayachandran C	select WEAK_ORDERING
16351c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
16361c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1637d6504846SJayachandran C	select CPU_MIPSR2
1638ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
16391c773ea4SJayachandran C	help
16401c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
16411da177e4SLinus Torvaldsendchoice
16421da177e4SLinus Torvalds
1643a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1644a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1645a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
16467fd08ca5SLeonid Yegoshin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1647a6e18781SLeonid Yegoshin	help
1648a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1649a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1650a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1651a6e18781SLeonid Yegoshin
1652a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1653a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1654a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1655a6e18781SLeonid Yegoshin	select EVA
1656a6e18781SLeonid Yegoshin	default y
1657a6e18781SLeonid Yegoshin	help
1658a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1659a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1660a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1661a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1662a6e18781SLeonid Yegoshin
1663c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1664c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1665c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1666c5b36783SSteven J. Hill	depends on CPU_MIPS32_R2
1667c5b36783SSteven J. Hill	help
1668c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1669c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1670c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1671c5b36783SSteven J. Hill
1672c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1673c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1674c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1675c5b36783SSteven J. Hill	depends on !EVA
1676c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1677c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1678c5b36783SSteven J. Hill	select XPA
1679c5b36783SSteven J. Hill	select HIGHMEM
1680c5b36783SSteven J. Hill	select ARCH_PHYS_ADDR_T_64BIT
1681c5b36783SSteven J. Hill	default n
1682c5b36783SSteven J. Hill	help
1683c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1684c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1685c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1686c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1687c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1688c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1689c5b36783SSteven J. Hill
1690622844bfSWu Zhangjinif CPU_LOONGSON2F
1691622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1692622844bfSWu Zhangjin	bool
1693622844bfSWu Zhangjin
1694622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1695622844bfSWu Zhangjin	bool
1696622844bfSWu Zhangjin
1697622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1698622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1699622844bfSWu Zhangjin	default y
1700622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1701622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1702622844bfSWu Zhangjin	help
1703622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1704622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1705622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1706622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1707622844bfSWu Zhangjin
1708622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1709622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1710622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1711622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1712622844bfSWu Zhangjin	  systems.
1713622844bfSWu Zhangjin
1714622844bfSWu Zhangjin	  If unsure, please say Y.
1715622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1716622844bfSWu Zhangjin
17171b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
17181b93b3c3SWu Zhangjin	bool
17191b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
17201b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
172131c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
17221b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1723fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
17244e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
17251b93b3c3SWu Zhangjin
17261b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
17271b93b3c3SWu Zhangjin	bool
17281b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
17291b93b3c3SWu Zhangjin
17303702bba5SWu Zhangjinconfig CPU_LOONGSON2
17313702bba5SWu Zhangjin	bool
17323702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
17333702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
17343702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1735970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17363702bba5SWu Zhangjin
1737ca585cf9SKelvin Cheungconfig CPU_LOONGSON1
1738ca585cf9SKelvin Cheung	bool
1739ca585cf9SKelvin Cheung	select CPU_MIPS32
1740ca585cf9SKelvin Cheung	select CPU_MIPSR2
1741ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1742ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1743ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1744f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1745ca585cf9SKelvin Cheung
1746fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
174704fa8bf7SJonas Gorski	select SMP_UP if SMP
17481bbb6c1bSKevin Cernekee	bool
1749cd746249SJonas Gorski
1750cd746249SJonas Gorskiconfig CPU_BMIPS4350
1751cd746249SJonas Gorski	bool
1752cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1753cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1754cd746249SJonas Gorski
1755cd746249SJonas Gorskiconfig CPU_BMIPS4380
1756cd746249SJonas Gorski	bool
1757bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1758cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1759cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1760cd746249SJonas Gorski
1761cd746249SJonas Gorskiconfig CPU_BMIPS5000
1762cd746249SJonas Gorski	bool
1763cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1764bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1765cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1766cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
17671bbb6c1bSKevin Cernekee
17680e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3
17690e476d91SHuacai Chen	bool
17700e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
17710e476d91SHuacai Chen
17723702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
17732a21c730SFuxin Zhang	bool
17742a21c730SFuxin Zhang
17756f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
17766f7a251aSWu Zhangjin	bool
177755045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
177855045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
177922f1fdfdSWu Zhangjin	select CPU_SUPPORTS_UNCACHED_ACCELERATED
17806f7a251aSWu Zhangjin
1781ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1782ca585cf9SKelvin Cheung	bool
1783ca585cf9SKelvin Cheung
17847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
17857cf8053bSRalf Baechle	bool
17867cf8053bSRalf Baechle
17877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
17887cf8053bSRalf Baechle	bool
17897cf8053bSRalf Baechle
1790a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1791a6e18781SLeonid Yegoshin	bool
1792a6e18781SLeonid Yegoshin
1793c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1794c5b36783SSteven J. Hill	bool
1795c5b36783SSteven J. Hill
17967fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
17977fd08ca5SLeonid Yegoshin	bool
17987fd08ca5SLeonid Yegoshin
17997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
18007cf8053bSRalf Baechle	bool
18017cf8053bSRalf Baechle
18027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
18037cf8053bSRalf Baechle	bool
18047cf8053bSRalf Baechle
18057fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
18067fd08ca5SLeonid Yegoshin	bool
18077fd08ca5SLeonid Yegoshin
18087cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
18097cf8053bSRalf Baechle	bool
18107cf8053bSRalf Baechle
18117cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
18127cf8053bSRalf Baechle	bool
18137cf8053bSRalf Baechle
18147cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
18157cf8053bSRalf Baechle	bool
18167cf8053bSRalf Baechle
18177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300
18187cf8053bSRalf Baechle	bool
18197cf8053bSRalf Baechle
18207cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
18217cf8053bSRalf Baechle	bool
18227cf8053bSRalf Baechle
18237cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
18247cf8053bSRalf Baechle	bool
18257cf8053bSRalf Baechle
18267cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
18277cf8053bSRalf Baechle	bool
18287cf8053bSRalf Baechle
18297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432
18307cf8053bSRalf Baechle	bool
18317cf8053bSRalf Baechle
1832542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1833542c1020SShinya Kuribayashi	bool
1834542c1020SShinya Kuribayashi
18357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000
18367cf8053bSRalf Baechle	bool
18377cf8053bSRalf Baechle
18387cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
18397cf8053bSRalf Baechle	bool
18407cf8053bSRalf Baechle
18417cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000
18427cf8053bSRalf Baechle	bool
18437cf8053bSRalf Baechle
18447cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
18457cf8053bSRalf Baechle	bool
18467cf8053bSRalf Baechle
18477cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
18487cf8053bSRalf Baechle	bool
18497cf8053bSRalf Baechle
18507cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
18517cf8053bSRalf Baechle	bool
18527cf8053bSRalf Baechle
18535e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
18545e683389SDavid Daney	bool
18555e683389SDavid Daney
1856cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1857c1c0c461SKevin Cernekee	bool
1858c1c0c461SKevin Cernekee
1859fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1860c1c0c461SKevin Cernekee	bool
1861cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1862c1c0c461SKevin Cernekee
1863c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
1864c1c0c461SKevin Cernekee	bool
1865cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1866c1c0c461SKevin Cernekee
1867c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
1868c1c0c461SKevin Cernekee	bool
1869cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1870c1c0c461SKevin Cernekee
1871c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
1872c1c0c461SKevin Cernekee	bool
1873cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1874c1c0c461SKevin Cernekee
18757f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
18767f058e85SJayachandran C	bool
18777f058e85SJayachandran C
18781c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
18791c773ea4SJayachandran C	bool
18801c773ea4SJayachandran C
1881b6911bbaSPaul Burtonconfig MIPS_MALTA_PM
1882b6911bbaSPaul Burton	depends on MIPS_MALTA
1883b6911bbaSPaul Burton	depends on PCI
1884b6911bbaSPaul Burton	bool
1885b6911bbaSPaul Burton	default y
1886b6911bbaSPaul Burton
188717099b11SRalf Baechle#
188817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
188917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
189017099b11SRalf Baechle#
18910004a9dfSRalf Baechleconfig WEAK_ORDERING
18920004a9dfSRalf Baechle	bool
189317099b11SRalf Baechle
189417099b11SRalf Baechle#
189517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
189617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
189717099b11SRalf Baechle#
189817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
189917099b11SRalf Baechle	bool
19005e83d430SRalf Baechleendmenu
19015e83d430SRalf Baechle
19025e83d430SRalf Baechle#
19035e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
19045e83d430SRalf Baechle#
19055e83d430SRalf Baechleconfig CPU_MIPS32
19065e83d430SRalf Baechle	bool
19077fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
19085e83d430SRalf Baechle
19095e83d430SRalf Baechleconfig CPU_MIPS64
19105e83d430SRalf Baechle	bool
19117fd08ca5SLeonid Yegoshin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
19125e83d430SRalf Baechle
19135e83d430SRalf Baechle#
1914c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2
19155e83d430SRalf Baechle#
19165e83d430SRalf Baechleconfig CPU_MIPSR1
19175e83d430SRalf Baechle	bool
19185e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
19195e83d430SRalf Baechle
19205e83d430SRalf Baechleconfig CPU_MIPSR2
19215e83d430SRalf Baechle	bool
1922a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1923a7e07b1aSMarkos Chandras	select MIPS_SPRAM
19245e83d430SRalf Baechle
19257fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
19267fd08ca5SLeonid Yegoshin	bool
19277fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1928a7e07b1aSMarkos Chandras	select MIPS_SPRAM
19295e83d430SRalf Baechle
1930a6e18781SLeonid Yegoshinconfig EVA
1931a6e18781SLeonid Yegoshin	bool
1932a6e18781SLeonid Yegoshin
1933c5b36783SSteven J. Hillconfig XPA
1934c5b36783SSteven J. Hill	bool
1935c5b36783SSteven J. Hill
19365e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
19375e83d430SRalf Baechle	bool
19385e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
19395e83d430SRalf Baechle	bool
19405e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
19415e83d430SRalf Baechle	bool
19425e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
19435e83d430SRalf Baechle	bool
194455045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
194555045ff5SWu Zhangjin	bool
194655045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
194755045ff5SWu Zhangjin	bool
19489cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
19499cffd154SDavid Daney	bool
195022f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED
195122f1fdfdSWu Zhangjin	bool
195282622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
195382622284SDavid Daney	bool
1954d6504846SJayachandran C	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
19555e83d430SRalf Baechle
19568192c9eaSDavid Daney#
19578192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
19588192c9eaSDavid Daney#
19598192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
19608192c9eaSDavid Daney       bool
1961f839490aSDavid Daney       default y if CPU_MIPSR1 || CPU_MIPSR2
19628192c9eaSDavid Daney
19635e83d430SRalf Baechlemenu "Kernel type"
19645e83d430SRalf Baechle
19655e83d430SRalf Baechlechoice
19665e83d430SRalf Baechle	prompt "Kernel code model"
19675e83d430SRalf Baechle	help
19685e83d430SRalf Baechle	  You should only select this option if you have a workload that
19695e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
19705e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
19715e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
19725e83d430SRalf Baechle
19735e83d430SRalf Baechleconfig 32BIT
19745e83d430SRalf Baechle	bool "32-bit kernel"
19755e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
19765e83d430SRalf Baechle	select TRAD_SIGNALS
19775e83d430SRalf Baechle	help
19785e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
1979f17c4ca3SRalf Baechle
19805e83d430SRalf Baechleconfig 64BIT
19815e83d430SRalf Baechle	bool "64-bit kernel"
19825e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
19835e83d430SRalf Baechle	help
19845e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
19855e83d430SRalf Baechle
19865e83d430SRalf Baechleendchoice
19875e83d430SRalf Baechle
19882235a54dSSanjay Lalconfig KVM_GUEST
19892235a54dSSanjay Lal	bool "KVM Guest Kernel"
1990f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
19912235a54dSSanjay Lal	help
19922235a54dSSanjay Lal	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode
19932235a54dSSanjay Lal
1994eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
1995eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
19962235a54dSSanjay Lal	depends on KVM_GUEST
1997eda3d33cSJames Hogan	default 100
19982235a54dSSanjay Lal	help
1999eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2000eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
2001eda3d33cSJames Hogan	  timer frequency is specified directly.
20022235a54dSSanjay Lal
20031da177e4SLinus Torvaldschoice
20041da177e4SLinus Torvalds	prompt "Kernel page size"
20051da177e4SLinus Torvalds	default PAGE_SIZE_4KB
20061da177e4SLinus Torvalds
20071da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
20081da177e4SLinus Torvalds	bool "4kB"
20090e476d91SHuacai Chen	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
20101da177e4SLinus Torvalds	help
20111da177e4SLinus Torvalds	 This option select the standard 4kB Linux page size.  On some
20121da177e4SLinus Torvalds	 R3000-family processors this is the only available page size.  Using
20131da177e4SLinus Torvalds	 4kB page size will minimize memory consumption and is therefore
20141da177e4SLinus Torvalds	 recommended for low memory systems.
20151da177e4SLinus Torvalds
20161da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
20171da177e4SLinus Torvalds	bool "8kB"
20187d60717eSKees Cook	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
20191da177e4SLinus Torvalds	help
20201da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
20211da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2022c52399beSRalf Baechle	  only on R8000 and cnMIPS processors.  Note that you will need a
2023c52399beSRalf Baechle	  suitable Linux distribution to support this.
20241da177e4SLinus Torvalds
20251da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
20261da177e4SLinus Torvalds	bool "16kB"
2027714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
20281da177e4SLinus Torvalds	help
20291da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
20301da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2031714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2032714bfad6SRalf Baechle	  Linux distribution to support this.
20331da177e4SLinus Torvalds
2034c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2035c52399beSRalf Baechle	bool "32kB"
2036c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
2037c52399beSRalf Baechle	help
2038c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2039c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2040c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2041c52399beSRalf Baechle	  distribution to support this.
2042c52399beSRalf Baechle
20431da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
20441da177e4SLinus Torvalds	bool "64kB"
20457d60717eSKees Cook	depends on !CPU_R3000 && !CPU_TX39XX
20461da177e4SLinus Torvalds	help
20471da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
20481da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
20491da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2050714bfad6SRalf Baechle	  writing this option is still high experimental.
20511da177e4SLinus Torvalds
20521da177e4SLinus Torvaldsendchoice
20531da177e4SLinus Torvalds
2054c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2055c9bace7cSDavid Daney	int "Maximum zone order"
2056e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2057e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2058e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2059e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2060e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2061e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2062c9bace7cSDavid Daney	range 11 64
2063c9bace7cSDavid Daney	default "11"
2064c9bace7cSDavid Daney	help
2065c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2066c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2067c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2068c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2069c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2070c9bace7cSDavid Daney	  increase this value.
2071c9bace7cSDavid Daney
2072c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2073c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2074c9bace7cSDavid Daney
2075c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2076c9bace7cSDavid Daney	  when choosing a value for this option.
2077c9bace7cSDavid Daney
20781da177e4SLinus Torvaldsconfig BOARD_SCACHE
20791da177e4SLinus Torvalds	bool
20801da177e4SLinus Torvalds
20811da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
20821da177e4SLinus Torvalds	bool
20831da177e4SLinus Torvalds	select BOARD_SCACHE
20841da177e4SLinus Torvalds
20859318c51aSChris Dearman#
20869318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
20879318c51aSChris Dearman#
20889318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
20899318c51aSChris Dearman	bool
20909318c51aSChris Dearman	select BOARD_SCACHE
20919318c51aSChris Dearman
20921da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
20931da177e4SLinus Torvalds	bool
20941da177e4SLinus Torvalds	select BOARD_SCACHE
20951da177e4SLinus Torvalds
20961da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
20971da177e4SLinus Torvalds	bool
20981da177e4SLinus Torvalds	select BOARD_SCACHE
20991da177e4SLinus Torvalds
21001da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
21011da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
21021da177e4SLinus Torvalds	depends on CPU_SB1
21031da177e4SLinus Torvalds	help
21041da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
21051da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
21061da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
21071da177e4SLinus Torvalds
21081da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2109c8094b53SRalf Baechle	bool
21101da177e4SLinus Torvalds
21113165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
21123165c846SFlorian Fainelli	bool
21133165c846SFlorian Fainelli	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
21143165c846SFlorian Fainelli
211591405eb6SFlorian Fainelliconfig CPU_R4K_FPU
211691405eb6SFlorian Fainelli	bool
211791405eb6SFlorian Fainelli	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
211891405eb6SFlorian Fainelli
211962cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
212062cedc4fSFlorian Fainelli	bool
212162cedc4fSFlorian Fainelli	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
212262cedc4fSFlorian Fainelli
212359d6ab86SRalf Baechleconfig MIPS_MT_SMP
2124a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
21255676319cSMarkos Chandras	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
212659d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2127d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2128c080faa5SSteven J. Hill	select SYNC_R4K
21290c2cb004SPaul Burton	select MIPS_GIC_IPI
213059d6ab86SRalf Baechle	select MIPS_MT
213159d6ab86SRalf Baechle	select SMP
213287353d8aSRalf Baechle	select SMP_UP
2133c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2134c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2135399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
213659d6ab86SRalf Baechle	help
2137c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2138c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2139c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2140c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2141c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
214259d6ab86SRalf Baechle
2143f41ae0b2SRalf Baechleconfig MIPS_MT
2144f41ae0b2SRalf Baechle	bool
2145f41ae0b2SRalf Baechle
21460ab7aefcSRalf Baechleconfig SCHED_SMT
21470ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
21480ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
21490ab7aefcSRalf Baechle	default n
21500ab7aefcSRalf Baechle	help
21510ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
21520ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
21530ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
21540ab7aefcSRalf Baechle
21550ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
21560ab7aefcSRalf Baechle	bool
21570ab7aefcSRalf Baechle
2158f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2159f41ae0b2SRalf Baechle	bool
2160f41ae0b2SRalf Baechle
2161f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2162f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2163f088fc84SRalf Baechle	default y
2164b633648cSRalf Baechle	depends on MIPS_MT_SMP
216507cc0c9eSRalf Baechle
2166b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2167b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
2168b0a668fbSLeonid Yegoshin	depends on CPU_MIPSR6 && !SMP
2169b0a668fbSLeonid Yegoshin	default y
2170b0a668fbSLeonid Yegoshin	help
2171b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2172b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
217307edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2174b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2175b0a668fbSLeonid Yegoshin	  final kernel image.
2176b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels"
2177b0a668fbSLeonid Yegoshin	depends on SMP && CPU_MIPSR6
2178b0a668fbSLeonid Yegoshin
217907cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
218007cc0c9eSRalf Baechle	bool "VPE loader support."
2181704e6460SMarkos Chandras	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
218207cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
218307cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
218407cc0c9eSRalf Baechle	select MIPS_MT
218507cc0c9eSRalf Baechle	help
218607cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
218707cc0c9eSRalf Baechle	  onto another VPE and running it.
2188f088fc84SRalf Baechle
218917a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
219017a1d523SDeng-Cheng Zhu	bool
219117a1d523SDeng-Cheng Zhu	default "y"
219217a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
219317a1d523SDeng-Cheng Zhu
21941a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
21951a2a6d7eSDeng-Cheng Zhu	bool
21961a2a6d7eSDeng-Cheng Zhu	default "y"
21971a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
21981a2a6d7eSDeng-Cheng Zhu
2199e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2200e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2201e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2202e01402b1SRalf Baechle	default y
2203e01402b1SRalf Baechle	help
2204e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2205e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2206e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2207e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2208e01402b1SRalf Baechle
2209e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2210e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2211e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
22125e83d430SRalf Baechle	help
2213e01402b1SRalf Baechle
2214da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2215da615cf6SDeng-Cheng Zhu	bool
2216da615cf6SDeng-Cheng Zhu	default "y"
2217da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2218da615cf6SDeng-Cheng Zhu
22192c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
22202c973ef0SDeng-Cheng Zhu	bool
22212c973ef0SDeng-Cheng Zhu	default "y"
22222c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
22232c973ef0SDeng-Cheng Zhu
22244a16ff4cSRalf Baechleconfig MIPS_CMP
22255cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
22265676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
222772e20142SPaul Burton	select MIPS_GIC_IPI
2228b10b43baSMarkos Chandras	select SMP
2229eb9b5141STim Anderson	select SYNC_R4K
2230b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
22314a16ff4cSRalf Baechle	select WEAK_ORDERING
22324a16ff4cSRalf Baechle	default n
22334a16ff4cSRalf Baechle	help
2234044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2235044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2236044505c7SPaul Burton	  its ability to start secondary CPUs.
22374a16ff4cSRalf Baechle
22385cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
22395cac93b3SPaul Burton	  instead of this.
22405cac93b3SPaul Burton
22410ee958e1SPaul Burtonconfig MIPS_CPS
22420ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
22435676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
22440ee958e1SPaul Burton	select MIPS_CM
22450ee958e1SPaul Burton	select MIPS_CPC
22461d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
22470ee958e1SPaul Burton	select MIPS_GIC_IPI
22480ee958e1SPaul Burton	select SMP
22490ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
22501d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
22510ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
22520ee958e1SPaul Burton	select WEAK_ORDERING
22530ee958e1SPaul Burton	help
22540ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
22550ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
22560ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
22570ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
22580ee958e1SPaul Burton	  support is unavailable.
22590ee958e1SPaul Burton
22603179d37eSPaul Burtonconfig MIPS_CPS_PM
226139a59593SMarkos Chandras	depends on MIPS_CPS
2262a8b84677SPaul Burton	select MIPS_CPC
22633179d37eSPaul Burton	bool
22643179d37eSPaul Burton
226572e20142SPaul Burtonconfig MIPS_GIC_IPI
226672e20142SPaul Burton	bool
226772e20142SPaul Burton
22689f98f3ddSPaul Burtonconfig MIPS_CM
22699f98f3ddSPaul Burton	bool
22709f98f3ddSPaul Burton
22719c38cf44SPaul Burtonconfig MIPS_CPC
22729c38cf44SPaul Burton	bool
22732600990eSRalf Baechle
22741da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
22751da177e4SLinus Torvalds	bool
22761da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
22771da177e4SLinus Torvalds	default y
22781da177e4SLinus Torvalds
22791da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
22801da177e4SLinus Torvalds	bool
22811da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
22821da177e4SLinus Torvalds	default y
22831da177e4SLinus Torvalds
22842235a54dSSanjay Lal
228560ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT
228634adb28dSRalf Baechle       bool
228760ec6571Spascal@pabr.org
22889e2b5372SMarkos Chandraschoice
22899e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
22909e2b5372SMarkos Chandras
22919e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
22929e2b5372SMarkos Chandras	bool "None"
22939e2b5372SMarkos Chandras	help
22949e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
22959e2b5372SMarkos Chandras
22969693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
22979693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
22989e2b5372SMarkos Chandras	bool "SmartMIPS"
22999693a853SFranck Bui-Huu	help
23009693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
23019693a853SFranck Bui-Huu	  increased security at both hardware and software level for
23029693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
23039693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
23049693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
23059693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
23069693a853SFranck Bui-Huu	  here.
23079693a853SFranck Bui-Huu
2308bce86083SSteven J. Hillconfig CPU_MICROMIPS
23097fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
23109e2b5372SMarkos Chandras	bool "microMIPS"
2311bce86083SSteven J. Hill	help
2312bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2313bce86083SSteven J. Hill	  microMIPS ISA
2314bce86083SSteven J. Hill
23159e2b5372SMarkos Chandrasendchoice
23169e2b5372SMarkos Chandras
2317a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
23180ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2319a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
23202a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2321a5e9a69eSPaul Burton	help
2322a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2323a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
23241db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
23251db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
23261db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
23271db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
23281db1af84SPaul Burton	  the size & complexity of your kernel.
2329a5e9a69eSPaul Burton
2330a5e9a69eSPaul Burton	  If unsure, say Y.
2331a5e9a69eSPaul Burton
23321da177e4SLinus Torvaldsconfig CPU_HAS_WB
2333f7062ddbSRalf Baechle	bool
2334e01402b1SRalf Baechle
2335df0ac8a4SKevin Cernekeeconfig XKS01
2336df0ac8a4SKevin Cernekee	bool
2337df0ac8a4SKevin Cernekee
2338f41ae0b2SRalf Baechle#
2339f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2340f41ae0b2SRalf Baechle#
2341e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2342f41ae0b2SRalf Baechle	bool
2343e01402b1SRalf Baechle
2344f41ae0b2SRalf Baechle#
2345f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2346f41ae0b2SRalf Baechle#
2347e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2348f41ae0b2SRalf Baechle	bool
2349e01402b1SRalf Baechle
23501da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
23511da177e4SLinus Torvalds	bool
23521da177e4SLinus Torvalds	depends on !CPU_R3000
23531da177e4SLinus Torvalds	default y
23541da177e4SLinus Torvalds
23551da177e4SLinus Torvalds#
235620d60d99SMaciej W. Rozycki# CPU non-features
235720d60d99SMaciej W. Rozycki#
235820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
235920d60d99SMaciej W. Rozycki	bool
236020d60d99SMaciej W. Rozycki
236120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
236220d60d99SMaciej W. Rozycki	bool
236320d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
236420d60d99SMaciej W. Rozycki
236520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
236620d60d99SMaciej W. Rozycki	bool
236720d60d99SMaciej W. Rozycki
236820d60d99SMaciej W. Rozycki#
23691da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
23701da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
23711da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
23721da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
23731da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
23741da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
23751da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
23761da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2377797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2378797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2379797798c1SRalf Baechle#   support.
23801da177e4SLinus Torvalds#
23811da177e4SLinus Torvaldsconfig HIGHMEM
23821da177e4SLinus Torvalds	bool "High Memory Support"
2383a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2384797798c1SRalf Baechle
2385797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2386797798c1SRalf Baechle	bool
2387797798c1SRalf Baechle
2388797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2389797798c1SRalf Baechle	bool
23901da177e4SLinus Torvalds
23919693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
23929693a853SFranck Bui-Huu	bool
23939693a853SFranck Bui-Huu
2394a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2395a6a4834cSSteven J. Hill	bool
2396a6a4834cSSteven J. Hill
2397377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2398377cb1b6SRalf Baechle	bool
2399377cb1b6SRalf Baechle	help
2400377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2401377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2402377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2403377cb1b6SRalf Baechle
2404a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2405a5e9a69eSPaul Burton	bool
2406a5e9a69eSPaul Burton
2407b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2408b4819b59SYoichi Yuasa	def_bool y
2409f133f22dSWu Zhangjin	depends on !NUMA && !CPU_LOONGSON2
2410b4819b59SYoichi Yuasa
2411d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE
2412d8cb4e11SRalf Baechle	bool
2413d8cb4e11SRalf Baechle	default y if SGI_IP27
2414d8cb4e11SRalf Baechle	help
24153dde6ad8SDavid Sterba	  Say Y to support efficient handling of discontiguous physical memory,
2416d8cb4e11SRalf Baechle	  for architectures which are either NUMA (Non-Uniform Memory Access)
2417d8cb4e11SRalf Baechle	  or have huge holes in the physical address space for other reasons.
2418d8cb4e11SRalf Baechle	  See <file:Documentation/vm/numa> for more.
2419d8cb4e11SRalf Baechle
2420b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2421b1c6cd42SAtsushi Nemoto	bool
24227de58fabSAtsushi Nemoto	select SPARSEMEM_STATIC
242331473747SAtsushi Nemoto
2424d8cb4e11SRalf Baechleconfig NUMA
2425d8cb4e11SRalf Baechle	bool "NUMA Support"
2426d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2427d8cb4e11SRalf Baechle	help
2428d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2429d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2430d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2431d8cb4e11SRalf Baechle	  leave it disabled; on single node systems disable this option
2432d8cb4e11SRalf Baechle	  disabled.
2433d8cb4e11SRalf Baechle
2434d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2435d8cb4e11SRalf Baechle	bool
2436d8cb4e11SRalf Baechle
2437c80d79d7SYasunori Gotoconfig NODES_SHIFT
2438c80d79d7SYasunori Goto	int
2439c80d79d7SYasunori Goto	default "6"
2440c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2441c80d79d7SYasunori Goto
244214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
244314f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
2444f14ceff7SHuacai Chen	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
244514f70012SDeng-Cheng Zhu	default y
244614f70012SDeng-Cheng Zhu	help
244714f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
244814f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
244914f70012SDeng-Cheng Zhu
2450b4819b59SYoichi Yuasasource "mm/Kconfig"
2451b4819b59SYoichi Yuasa
24521da177e4SLinus Torvaldsconfig SMP
24531da177e4SLinus Torvalds	bool "Multi-Processing support"
2454e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2455e73ea273SRalf Baechle	help
24561da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
24574a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
24584a474157SRobert Graffham	  than one CPU, say Y.
24591da177e4SLinus Torvalds
24604a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
24611da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
24621da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
24634a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
24641da177e4SLinus Torvalds	  will run faster if you say N here.
24651da177e4SLinus Torvalds
24661da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
24671da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
24681da177e4SLinus Torvalds
246903502faaSAdrian Bunk	  See also the SMP-HOWTO available at
247003502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
24711da177e4SLinus Torvalds
24721da177e4SLinus Torvalds	  If you don't know what to do here, say N.
24731da177e4SLinus Torvalds
247487353d8aSRalf Baechleconfig SMP_UP
247587353d8aSRalf Baechle	bool
247687353d8aSRalf Baechle
24774a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
24784a16ff4cSRalf Baechle	bool
24794a16ff4cSRalf Baechle
24800ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
24810ee958e1SPaul Burton	bool
24820ee958e1SPaul Burton
2483e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2484e73ea273SRalf Baechle	bool
2485e73ea273SRalf Baechle
2486130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2487130e2fb7SRalf Baechle	bool
2488130e2fb7SRalf Baechle
2489130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2490130e2fb7SRalf Baechle	bool
2491130e2fb7SRalf Baechle
2492130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2493130e2fb7SRalf Baechle	bool
2494130e2fb7SRalf Baechle
2495130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2496130e2fb7SRalf Baechle	bool
2497130e2fb7SRalf Baechle
2498130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2499130e2fb7SRalf Baechle	bool
2500130e2fb7SRalf Baechle
25011da177e4SLinus Torvaldsconfig NR_CPUS
2502a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2503a91796a9SJayachandran C	range 2 256
25041da177e4SLinus Torvalds	depends on SMP
2505130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2506130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2507130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2508130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2509130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
25101da177e4SLinus Torvalds	help
25111da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
25121da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
25131da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
251472ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
251572ede9b1SAtsushi Nemoto	  and 2 for all others.
25161da177e4SLinus Torvalds
25171da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
251872ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
251972ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
252072ede9b1SAtsushi Nemoto	  power of two.
25211da177e4SLinus Torvalds
2522399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2523399aaa25SAl Cooper	bool
2524399aaa25SAl Cooper
25251723b4a3SAtsushi Nemoto#
25261723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
25271723b4a3SAtsushi Nemoto#
25281723b4a3SAtsushi Nemoto
25291723b4a3SAtsushi Nemotochoice
25301723b4a3SAtsushi Nemoto	prompt "Timer frequency"
25311723b4a3SAtsushi Nemoto	default HZ_250
25321723b4a3SAtsushi Nemoto	help
25331723b4a3SAtsushi Nemoto	 Allows the configuration of the timer frequency.
25341723b4a3SAtsushi Nemoto
25351723b4a3SAtsushi Nemoto	config HZ_48
25360f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
25371723b4a3SAtsushi Nemoto
25381723b4a3SAtsushi Nemoto	config HZ_100
25391723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
25401723b4a3SAtsushi Nemoto
25411723b4a3SAtsushi Nemoto	config HZ_128
25421723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
25431723b4a3SAtsushi Nemoto
25441723b4a3SAtsushi Nemoto	config HZ_250
25451723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
25461723b4a3SAtsushi Nemoto
25471723b4a3SAtsushi Nemoto	config HZ_256
25481723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
25491723b4a3SAtsushi Nemoto
25501723b4a3SAtsushi Nemoto	config HZ_1000
25511723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
25521723b4a3SAtsushi Nemoto
25531723b4a3SAtsushi Nemoto	config HZ_1024
25541723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
25551723b4a3SAtsushi Nemoto
25561723b4a3SAtsushi Nemotoendchoice
25571723b4a3SAtsushi Nemoto
25581723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
25591723b4a3SAtsushi Nemoto	bool
25601723b4a3SAtsushi Nemoto
25611723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
25621723b4a3SAtsushi Nemoto	bool
25631723b4a3SAtsushi Nemoto
25641723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
25651723b4a3SAtsushi Nemoto	bool
25661723b4a3SAtsushi Nemoto
25671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
25681723b4a3SAtsushi Nemoto	bool
25691723b4a3SAtsushi Nemoto
25701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
25711723b4a3SAtsushi Nemoto	bool
25721723b4a3SAtsushi Nemoto
25731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
25741723b4a3SAtsushi Nemoto	bool
25751723b4a3SAtsushi Nemoto
25761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
25771723b4a3SAtsushi Nemoto	bool
25781723b4a3SAtsushi Nemoto
25791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
25801723b4a3SAtsushi Nemoto	bool
25811723b4a3SAtsushi Nemoto	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
25821723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
25831723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
25841723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
25851723b4a3SAtsushi Nemoto
25861723b4a3SAtsushi Nemotoconfig HZ
25871723b4a3SAtsushi Nemoto	int
25881723b4a3SAtsushi Nemoto	default 48 if HZ_48
25891723b4a3SAtsushi Nemoto	default 100 if HZ_100
25901723b4a3SAtsushi Nemoto	default 128 if HZ_128
25911723b4a3SAtsushi Nemoto	default 250 if HZ_250
25921723b4a3SAtsushi Nemoto	default 256 if HZ_256
25931723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
25941723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
25951723b4a3SAtsushi Nemoto
259696685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
259796685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
259896685b17SDeng-Cheng Zhu
2599e80de850SRalf Baechlesource "kernel/Kconfig.preempt"
26001da177e4SLinus Torvalds
2601ea6e942bSAtsushi Nemotoconfig KEXEC
26027d60717eSKees Cook	bool "Kexec system call"
2603ea6e942bSAtsushi Nemoto	help
2604ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2605ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
26063dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2607ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2608ea6e942bSAtsushi Nemoto
260901dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2610ea6e942bSAtsushi Nemoto
2611ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2612ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2613bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2614bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2615bf220695SGeert Uytterhoeven	  made.
2616ea6e942bSAtsushi Nemoto
26177aa1c8f4SRalf Baechleconfig CRASH_DUMP
26187aa1c8f4SRalf Baechle	  bool "Kernel crash dumps"
26197aa1c8f4SRalf Baechle	  help
26207aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
26217aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
26227aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
26237aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
26247aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
26257aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
26267aa1c8f4SRalf Baechle	  PHYSICAL_START.
26277aa1c8f4SRalf Baechle
26287aa1c8f4SRalf Baechleconfig PHYSICAL_START
26297aa1c8f4SRalf Baechle	  hex "Physical address where the kernel is loaded"
26307aa1c8f4SRalf Baechle	  default "0xffffffff84000000" if 64BIT
26317aa1c8f4SRalf Baechle	  default "0x84000000" if 32BIT
26327aa1c8f4SRalf Baechle	  depends on CRASH_DUMP
26337aa1c8f4SRalf Baechle	  help
26347aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
26357aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
26367aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
26377aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
26387aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
26397aa1c8f4SRalf Baechle
2640ea6e942bSAtsushi Nemotoconfig SECCOMP
2641ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
2642293c5bd1SRalf Baechle	depends on PROC_FS
2643ea6e942bSAtsushi Nemoto	default y
2644ea6e942bSAtsushi Nemoto	help
2645ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
2646ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
2647ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
2648ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
2649ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
2650ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
2651ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2652ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
2653ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
2654ea6e942bSAtsushi Nemoto
2655ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
2656ea6e942bSAtsushi Nemoto
2657597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
26580ce3417eSPaul Burton	bool "Support for O32 binaries using 64-bit FP"
2659597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2660597ce172SPaul Burton	help
2661597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2662597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2663597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2664597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2665597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2666597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2667597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
2668597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
2669597ce172SPaul Burton	  saying N here.
2670597ce172SPaul Burton
267106e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
267206e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
267306e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
267406e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
267506e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
267606e2e882SPaul Burton	  said details.
267706e2e882SPaul Burton
267806e2e882SPaul Burton	  If unsure, say N.
2679597ce172SPaul Burton
2680f2ffa5abSDezhong Diaoconfig USE_OF
26810b3e06fdSJonas Gorski	bool
2682f2ffa5abSDezhong Diao	select OF
2683e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
2684abd2363fSGrant Likely	select IRQ_DOMAIN
2685f2ffa5abSDezhong Diao
26867fafb068SAndrew Brestickerconfig BUILTIN_DTB
26877fafb068SAndrew Bresticker	bool
26887fafb068SAndrew Bresticker
26891da8f179SJonas Gorskichoice
26901da8f179SJonas Gorski	prompt "Kernel appended dtb support" if OF
26911da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
26921da8f179SJonas Gorski
26931da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
26941da8f179SJonas Gorski		bool "None"
26951da8f179SJonas Gorski		help
26961da8f179SJonas Gorski		  Do not enable appended dtb support.
26971da8f179SJonas Gorski
26981da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
26991da8f179SJonas Gorski		bool "vmlinux.bin"
27001da8f179SJonas Gorski		help
27011da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
27021da8f179SJonas Gorski		  DTB) appended to raw vmlinux.bin (without decompressor).
27031da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
27041da8f179SJonas Gorski
27051da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
27061da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
27071da8f179SJonas Gorski		  the documented boot protocol using a device tree.
27081da8f179SJonas Gorski
27091da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
27101da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
27111da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
27121da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
27131da8f179SJonas Gorski		  if you don't intend to always append a DTB.
2714c0b4e101SJonas Gorski
2715c0b4e101SJonas Gorski	config MIPS_ZBOOT_APPENDED_DTB
2716c0b4e101SJonas Gorski		bool "vmlinuz.bin"
2717c0b4e101SJonas Gorski		depends on SYS_SUPPORTS_ZBOOT
2718c0b4e101SJonas Gorski		help
2719c0b4e101SJonas Gorski		  With this option, the boot code will look for a device tree binary
2720c0b4e101SJonas Gorski		  DTB) appended to raw vmlinuz.bin (with decompressor).
2721c0b4e101SJonas Gorski		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
2722c0b4e101SJonas Gorski
2723c0b4e101SJonas Gorski		  This is meant as a backward compatibility convenience for those
2724c0b4e101SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
2725c0b4e101SJonas Gorski		  the documented boot protocol using a device tree.
2726c0b4e101SJonas Gorski
2727c0b4e101SJonas Gorski		  Beware that there is very little in terms of protection against
2728c0b4e101SJonas Gorski		  this option being confused by leftover garbage in memory that might
2729c0b4e101SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
2730c0b4e101SJonas Gorski		  to vmlinuz.bin.  Do not leave this option active in a production kernel
2731c0b4e101SJonas Gorski		  if you don't intend to always append a DTB.
27321da8f179SJonas Gorskiendchoice
27331da8f179SJonas Gorski
27345e83d430SRalf Baechleendmenu
27355e83d430SRalf Baechle
27361df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
27371df0f0ffSAtsushi Nemoto	bool
27381df0f0ffSAtsushi Nemoto	default y
27391df0f0ffSAtsushi Nemoto
27401df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
27411df0f0ffSAtsushi Nemoto	bool
27421df0f0ffSAtsushi Nemoto	default y
27431df0f0ffSAtsushi Nemoto
2744a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
2745a728ab52SKirill A. Shutemov	int
2746a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
2747a728ab52SKirill A. Shutemov	default 2
2748a728ab52SKirill A. Shutemov
2749b6c3539bSRalf Baechlesource "init/Kconfig"
2750b6c3539bSRalf Baechle
2751dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer"
2752dc52ddc0SMatt Helsley
27531da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
27541da177e4SLinus Torvalds
27555e83d430SRalf Baechleconfig HW_HAS_EISA
27565e83d430SRalf Baechle	bool
27571da177e4SLinus Torvaldsconfig HW_HAS_PCI
27581da177e4SLinus Torvalds	bool
27591da177e4SLinus Torvalds
27601da177e4SLinus Torvaldsconfig PCI
27611da177e4SLinus Torvalds	bool "Support for PCI controller"
27621da177e4SLinus Torvalds	depends on HW_HAS_PCI
2763abb4ae46SRalf Baechle	select PCI_DOMAINS
27640f3b3956SMichael S. Tsirkin	select NO_GENERIC_PCI_IOPORT_MAP
27651da177e4SLinus Torvalds	help
27661da177e4SLinus Torvalds	  Find out whether you have a PCI motherboard. PCI is the name of a
27671da177e4SLinus Torvalds	  bus system, i.e. the way the CPU talks to the other stuff inside
27681da177e4SLinus Torvalds	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
27691da177e4SLinus Torvalds	  say Y, otherwise N.
27701da177e4SLinus Torvalds
27710e476d91SHuacai Chenconfig HT_PCI
27720e476d91SHuacai Chen	bool "Support for HT-linked PCI"
27730e476d91SHuacai Chen	default y
27740e476d91SHuacai Chen	depends on CPU_LOONGSON3
27750e476d91SHuacai Chen	select PCI
27760e476d91SHuacai Chen	select PCI_DOMAINS
27770e476d91SHuacai Chen	help
27780e476d91SHuacai Chen	  Loongson family machines use Hyper-Transport bus for inter-core
27790e476d91SHuacai Chen	  connection and device connection. The PCI bus is a subordinate
27800e476d91SHuacai Chen	  linked at HT. Choose Y for Loongson-3 based machines.
27810e476d91SHuacai Chen
27821da177e4SLinus Torvaldsconfig PCI_DOMAINS
27831da177e4SLinus Torvalds	bool
27841da177e4SLinus Torvalds
27851da177e4SLinus Torvaldssource "drivers/pci/Kconfig"
27861da177e4SLinus Torvalds
27873f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig"
27883f787ca4SJonas Gorski
27891da177e4SLinus Torvalds#
27901da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
27911da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
27921da177e4SLinus Torvalds# users to choose the right thing ...
27931da177e4SLinus Torvalds#
27941da177e4SLinus Torvaldsconfig ISA
27951da177e4SLinus Torvalds	bool
27961da177e4SLinus Torvalds
27971da177e4SLinus Torvaldsconfig EISA
27981da177e4SLinus Torvalds	bool "EISA support"
27995e83d430SRalf Baechle	depends on HW_HAS_EISA
28001da177e4SLinus Torvalds	select ISA
2801aa414dffSRalf Baechle	select GENERIC_ISA_DMA
28021da177e4SLinus Torvalds	---help---
28031da177e4SLinus Torvalds	  The Extended Industry Standard Architecture (EISA) bus was
28041da177e4SLinus Torvalds	  developed as an open alternative to the IBM MicroChannel bus.
28051da177e4SLinus Torvalds
28061da177e4SLinus Torvalds	  The EISA bus provided some of the features of the IBM MicroChannel
28071da177e4SLinus Torvalds	  bus while maintaining backward compatibility with cards made for
28081da177e4SLinus Torvalds	  the older ISA bus.  The EISA bus saw limited use between 1988 and
28091da177e4SLinus Torvalds	  1995 when it was made obsolete by the PCI bus.
28101da177e4SLinus Torvalds
28111da177e4SLinus Torvalds	  Say Y here if you are building a kernel for an EISA-based machine.
28121da177e4SLinus Torvalds
28131da177e4SLinus Torvalds	  Otherwise, say N.
28141da177e4SLinus Torvalds
28151da177e4SLinus Torvaldssource "drivers/eisa/Kconfig"
28161da177e4SLinus Torvalds
28171da177e4SLinus Torvaldsconfig TC
28181da177e4SLinus Torvalds	bool "TURBOchannel support"
28191da177e4SLinus Torvalds	depends on MACH_DECSTATION
28201da177e4SLinus Torvalds	help
282150a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
282250a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
282350a23e6eSJustin P. Mattock	  at:
282450a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
282550a23e6eSJustin P. Mattock	  and:
282650a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
282750a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
282850a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
28291da177e4SLinus Torvalds
28301da177e4SLinus Torvaldsconfig MMU
28311da177e4SLinus Torvalds	bool
28321da177e4SLinus Torvalds	default y
28331da177e4SLinus Torvalds
2834d865bea4SRalf Baechleconfig I8253
2835d865bea4SRalf Baechle	bool
2836798778b8SRussell King	select CLKSRC_I8253
28372d02612fSThomas Gleixner	select CLKEVT_I8253
28389726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
2839d865bea4SRalf Baechle
2840e05eb3f8SRalf Baechleconfig ZONE_DMA
2841e05eb3f8SRalf Baechle	bool
2842e05eb3f8SRalf Baechle
2843cce335aeSRalf Baechleconfig ZONE_DMA32
2844cce335aeSRalf Baechle	bool
2845cce335aeSRalf Baechle
28461da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig"
28471da177e4SLinus Torvalds
28481da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig"
28491da177e4SLinus Torvalds
2850388b78adSAlexandre Bounineconfig RAPIDIO
285156abde72SAlexandre Bounine	tristate "RapidIO support"
2852388b78adSAlexandre Bounine	depends on PCI
2853388b78adSAlexandre Bounine	default n
2854388b78adSAlexandre Bounine	help
2855388b78adSAlexandre Bounine	  If you say Y here, the kernel will include drivers and
2856388b78adSAlexandre Bounine	  infrastructure code to support RapidIO interconnect devices.
2857388b78adSAlexandre Bounine
2858388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig"
2859388b78adSAlexandre Bounine
28601da177e4SLinus Torvaldsendmenu
28611da177e4SLinus Torvalds
28621da177e4SLinus Torvaldsmenu "Executable file formats"
28631da177e4SLinus Torvalds
28641da177e4SLinus Torvaldssource "fs/Kconfig.binfmt"
28651da177e4SLinus Torvalds
28661da177e4SLinus Torvaldsconfig TRAD_SIGNALS
28671da177e4SLinus Torvalds	bool
28681da177e4SLinus Torvalds
28691da177e4SLinus Torvaldsconfig MIPS32_COMPAT
287078aaf956SRalf Baechle	bool
28711da177e4SLinus Torvalds
28721da177e4SLinus Torvaldsconfig COMPAT
28731da177e4SLinus Torvalds	bool
28741da177e4SLinus Torvalds
287505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
287605e43966SAtsushi Nemoto	bool
287705e43966SAtsushi Nemoto
28781da177e4SLinus Torvaldsconfig MIPS32_O32
28791da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
288078aaf956SRalf Baechle	depends on 64BIT
288178aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
288278aaf956SRalf Baechle	select COMPAT
288378aaf956SRalf Baechle	select MIPS32_COMPAT
288478aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
28851da177e4SLinus Torvalds	help
28861da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
28871da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
28881da177e4SLinus Torvalds	  existing binaries are in this format.
28891da177e4SLinus Torvalds
28901da177e4SLinus Torvalds	  If unsure, say Y.
28911da177e4SLinus Torvalds
28921da177e4SLinus Torvaldsconfig MIPS32_N32
28931da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
2894c22eacfeSRalf Baechle	depends on 64BIT
289578aaf956SRalf Baechle	select COMPAT
289678aaf956SRalf Baechle	select MIPS32_COMPAT
289778aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
28981da177e4SLinus Torvalds	help
28991da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
29001da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
29011da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
29021da177e4SLinus Torvalds	  cases.
29031da177e4SLinus Torvalds
29041da177e4SLinus Torvalds	  If unsure, say N.
29051da177e4SLinus Torvalds
29061da177e4SLinus Torvaldsconfig BINFMT_ELF32
29071da177e4SLinus Torvalds	bool
29081da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
29091da177e4SLinus Torvalds
29102116245eSRalf Baechleendmenu
29111da177e4SLinus Torvalds
29122116245eSRalf Baechlemenu "Power management options"
2913952fa954SRodolfo Giometti
2914363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
2915363c55caSWu Zhangjin	def_bool y
29163f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2917363c55caSWu Zhangjin
2918f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
2919f4cb5700SJohannes Berg	def_bool y
29203f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2921f4cb5700SJohannes Berg
29222116245eSRalf Baechlesource "kernel/power/Kconfig"
2923952fa954SRodolfo Giometti
29241da177e4SLinus Torvaldsendmenu
29251da177e4SLinus Torvalds
29267a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
29277a998935SViresh Kumar	bool
29287a998935SViresh Kumar
29297a998935SViresh Kumarmenu "CPU Power Management"
2930c095ebafSPaul Burton
2931c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
29327a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
29337a998935SViresh Kumarendif
29349726b43aSWu Zhangjin
2935c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
2936c095ebafSPaul Burton
2937c095ebafSPaul Burtonendmenu
2938c095ebafSPaul Burton
2939d5950b43SSam Ravnborgsource "net/Kconfig"
2940d5950b43SSam Ravnborg
29411da177e4SLinus Torvaldssource "drivers/Kconfig"
29421da177e4SLinus Torvalds
294398cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
294498cdee0eSRalf Baechle
29451da177e4SLinus Torvaldssource "fs/Kconfig"
29461da177e4SLinus Torvalds
29471da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug"
29481da177e4SLinus Torvalds
29491da177e4SLinus Torvaldssource "security/Kconfig"
29501da177e4SLinus Torvalds
29511da177e4SLinus Torvaldssource "crypto/Kconfig"
29521da177e4SLinus Torvalds
29531da177e4SLinus Torvaldssource "lib/Kconfig"
29542235a54dSSanjay Lal
29552235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
2956