xref: /linux/arch/mips/Kconfig (revision e4849aff1e169b86c561738daf8ff020e9de1011)
1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0
21da177e4SLinus Torvaldsconfig MIPS
31da177e4SLinus Torvalds	bool
41da177e4SLinus Torvalds	default y
5ea6a3737SPaul Burton	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
612597988SMatt Redfearn	select ARCH_CLOCKSOURCE_DATA
712597988SMatt Redfearn	select ARCH_DISCARD_MEMBLOCK
812597988SMatt Redfearn	select ARCH_HAS_ELF_RANDOMIZE
912597988SMatt Redfearn	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
1012597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
111ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
1212597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
1325da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
140b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
1512597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
1612597988SMatt Redfearn	select BUILDTIME_EXTABLE_SORT
1712597988SMatt Redfearn	select CLONE_BACKWARDS
1857eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
1912597988SMatt Redfearn	select CPU_PM if CPU_IDLE
20dffbfde7SChristoph Hellwig	select DMA_DIRECT_OPS
2112597988SMatt Redfearn	select GENERIC_ATOMIC64 if !64BIT
2212597988SMatt Redfearn	select GENERIC_CLOCKEVENTS
2312597988SMatt Redfearn	select GENERIC_CMOS_UPDATE
2412597988SMatt Redfearn	select GENERIC_CPU_AUTOPROBE
25b962aeb0SPaul Burton	select GENERIC_IOMAP
2612597988SMatt Redfearn	select GENERIC_IRQ_PROBE
2712597988SMatt Redfearn	select GENERIC_IRQ_SHOW
28740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
29740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
30740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
31740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
32740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
3312597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
3412597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
3512597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
3612597988SMatt Redfearn	select HANDLE_DOMAIN_IRQ
37906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
3812597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
3988547001SJason Wessel	select HAVE_ARCH_KGDB
40109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
41109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
42490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
43c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
4412597988SMatt Redfearn	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
45f381bf6dSDavid Daney	select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
46f381bf6dSDavid Daney	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
4712597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
4812597988SMatt Redfearn	select HAVE_COPY_THREAD_TLS
4964575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
5012597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
5112597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
5212597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
5312597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
5412597988SMatt Redfearn	select HAVE_EXIT_THREAD
5512597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
5629c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
5712597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
5812597988SMatt Redfearn	select HAVE_GENERIC_DMA_COHERENT
5912597988SMatt Redfearn	select HAVE_IDE
60b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
6112597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
6212597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
63c1bf207dSDavid Daney	select HAVE_KPROBES
64c1bf207dSDavid Daney	select HAVE_KRETPROBES
659d15ffc8STejun Heo	select HAVE_MEMBLOCK_NODE_MAP
66786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
6742a0bb3fSPetr Mladek	select HAVE_NMI
6812597988SMatt Redfearn	select HAVE_OPROFILE
6912597988SMatt Redfearn	select HAVE_PERF_EVENTS
7008bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
719ea141adSPaul Burton	select HAVE_RSEQ
72d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
7312597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
74a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
7512597988SMatt Redfearn	select IRQ_FORCED_THREADING
7612597988SMatt Redfearn	select MODULES_USE_ELF_RELA if MODULES && 64BIT
7712597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
7812597988SMatt Redfearn	select PERF_USE_VMALLOC
7905a0a344SArnd Bergmann	select RTC_LIB
8012597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
8112597988SMatt Redfearn	select VIRT_TO_BUS
821da177e4SLinus Torvalds
831da177e4SLinus Torvaldsmenu "Machine selection"
841da177e4SLinus Torvalds
855e83d430SRalf Baechlechoice
865e83d430SRalf Baechle	prompt "System type"
87d41e6858SMatt Redfearn	default MIPS_GENERIC
881da177e4SLinus Torvalds
89eed0eabdSPaul Burtonconfig MIPS_GENERIC
90eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
91eed0eabdSPaul Burton	select BOOT_RAW
92eed0eabdSPaul Burton	select BUILTIN_DTB
93eed0eabdSPaul Burton	select CEVT_R4K
94eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
95eed0eabdSPaul Burton	select COMMON_CLK
96eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_VI
97eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
98eed0eabdSPaul Burton	select CSRC_R4K
99eed0eabdSPaul Burton	select DMA_PERDEV_COHERENT
100eed0eabdSPaul Burton	select HW_HAS_PCI
101eed0eabdSPaul Burton	select IRQ_MIPS_CPU
102eed0eabdSPaul Burton	select LIBFDT
1030211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
104eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
105eed0eabdSPaul Burton	select MIPS_GIC
106eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
107eed0eabdSPaul Burton	select NO_EXCEPT_FILL
108eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
109eed0eabdSPaul Burton	select PINCTRL
110eed0eabdSPaul Burton	select SMP_UP if SMP
111a3078e59SMatt Redfearn	select SWAP_IO_SPACE
112eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
113eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
114eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
115eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
116eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
117eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
118eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
119eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
120eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
121eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
122eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
123eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
124eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS_CPS
125eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
126eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
127eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
128eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
1292e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1302e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1312e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1322e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1332e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1342e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
135eed0eabdSPaul Burton	select USE_OF
1362fe8ea39SDengcheng Zhu	select UHI_BOOT
137eed0eabdSPaul Burton	help
138eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
139eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
140eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
141eed0eabdSPaul Burton	  Interface) specification.
142eed0eabdSPaul Burton
14342a4f17dSManuel Laussconfig MIPS_ALCHEMY
144c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
145d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
146f772cdb2SRalf Baechle	select CEVT_R4K
147d7ea335cSSteven J. Hill	select CSRC_R4K
14867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
14988e9a93cSManuel Lauss	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
15042a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
15142a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
15242a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
153d30a2b47SLinus Walleij	select GPIOLIB
1541b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
15547440229SManuel Lauss	select COMMON_CLK
1561da177e4SLinus Torvalds
1577ca5dc14SFlorian Fainelliconfig AR7
1587ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
1597ca5dc14SFlorian Fainelli	select BOOT_ELF32
1607ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
1617ca5dc14SFlorian Fainelli	select CEVT_R4K
1627ca5dc14SFlorian Fainelli	select CSRC_R4K
16367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1647ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
1657ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
1667ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
1677ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
1687ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
1697ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
170377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1711b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
172d30a2b47SLinus Walleij	select GPIOLIB
1737ca5dc14SFlorian Fainelli	select VLYNQ
1748551fb64SYoichi Yuasa	select HAVE_CLK
1757ca5dc14SFlorian Fainelli	help
1767ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
1777ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
1787ca5dc14SFlorian Fainelli
17943cc739fSSergey Ryazanovconfig ATH25
18043cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
18143cc739fSSergey Ryazanov	select CEVT_R4K
18243cc739fSSergey Ryazanov	select CSRC_R4K
18343cc739fSSergey Ryazanov	select DMA_NONCOHERENT
18467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1851753e74eSSergey Ryazanov	select IRQ_DOMAIN
18643cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
18743cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
18843cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
1898aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
19043cc739fSSergey Ryazanov	help
19143cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
19243cc739fSSergey Ryazanov
193d4a67d9dSGabor Juhosconfig ATH79
194d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
195ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
196d4a67d9dSGabor Juhos	select BOOT_RAW
197d4a67d9dSGabor Juhos	select CEVT_R4K
198d4a67d9dSGabor Juhos	select CSRC_R4K
199d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
200d30a2b47SLinus Walleij	select GPIOLIB
201a08227a2SJohn Crispin	select PINCTRL
20294638067SGabor Juhos	select HAVE_CLK
203411520afSAlban Bedel	select COMMON_CLK
2042c4f1ac5SGabor Juhos	select CLKDEV_LOOKUP
20567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2060aabf1a4SGabor Juhos	select MIPS_MACHINE
207d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
208d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
209d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
210d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
211377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
212b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
21303c8c407SAlban Bedel	select USE_OF
21453d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
215d4a67d9dSGabor Juhos	help
216d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
217d4a67d9dSGabor Juhos
2185f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2195f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
220d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
221d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
222d666cd02SKevin Cernekee	select BOOT_RAW
223d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
224d666cd02SKevin Cernekee	select USE_OF
225d666cd02SKevin Cernekee	select CEVT_R4K
226d666cd02SKevin Cernekee	select CSRC_R4K
227d666cd02SKevin Cernekee	select SYNC_R4K
228d666cd02SKevin Cernekee	select COMMON_CLK
229c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
23060b858f2SKevin Cernekee	select BCM7038_L1_IRQ
23160b858f2SKevin Cernekee	select BCM7120_L2_IRQ
23260b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
23367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
23460b858f2SKevin Cernekee	select DMA_NONCOHERENT
235d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
23660b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
237d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
238d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
23960b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
24060b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
24160b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
242d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
243d666cd02SKevin Cernekee	select SWAP_IO_SPACE
24460b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
24560b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
24660b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
24760b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2484dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
249d666cd02SKevin Cernekee	help
2505f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2515f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2525f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2535f2d4459SKevin Cernekee	  must be set appropriately for your board.
254d666cd02SKevin Cernekee
2551c0c13ebSAurelien Jarnoconfig BCM47XX
256c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
257fe08f8c2SHauke Mehrtens	select BOOT_RAW
25842f77542SRalf Baechle	select CEVT_R4K
259940f6b48SRalf Baechle	select CSRC_R4K
2601c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
2611c0c13ebSAurelien Jarno	select HW_HAS_PCI
26267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
263314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
264dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
2651c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
2661c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
267377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2686507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
26925e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
270e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
271c949c0bcSRafał Miłecki	select GPIOLIB
272c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
273f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
2742ab71a02SRafał Miłecki	select BCM47XX_SPROM
275dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
2761c0c13ebSAurelien Jarno	help
2771c0c13ebSAurelien Jarno	 Support for BCM47XX based boards
2781c0c13ebSAurelien Jarno
279e7300d04SMaxime Bizonconfig BCM63XX
280e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
281ae8de61cSFlorian Fainelli	select BOOT_RAW
282e7300d04SMaxime Bizon	select CEVT_R4K
283e7300d04SMaxime Bizon	select CSRC_R4K
284fc264022SJonas Gorski	select SYNC_R4K
285e7300d04SMaxime Bizon	select DMA_NONCOHERENT
28667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
287e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
288e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
289e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
290e7300d04SMaxime Bizon	select SWAP_IO_SPACE
291d30a2b47SLinus Walleij	select GPIOLIB
2923e82eeebSYoichi Yuasa	select HAVE_CLK
293af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
294c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
295e7300d04SMaxime Bizon	help
296e7300d04SMaxime Bizon	 Support for BCM63XX based boards
297e7300d04SMaxime Bizon
2981da177e4SLinus Torvaldsconfig MIPS_COBALT
2993fa986faSMartin Michlmayr	bool "Cobalt Server"
30042f77542SRalf Baechle	select CEVT_R4K
301940f6b48SRalf Baechle	select CSRC_R4K
3021097c6acSYoichi Yuasa	select CEVT_GT641XX
3031da177e4SLinus Torvalds	select DMA_NONCOHERENT
3041da177e4SLinus Torvalds	select HW_HAS_PCI
305d865bea4SRalf Baechle	select I8253
3061da177e4SLinus Torvalds	select I8259
30767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
308d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
309252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
310e25bfc92SYoichi Yuasa	select PCI
3117cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3120a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
313ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3140e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3155e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
316e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3171da177e4SLinus Torvalds
3181da177e4SLinus Torvaldsconfig MACH_DECSTATION
3193fa986faSMartin Michlmayr	bool "DECstations"
3201da177e4SLinus Torvalds	select BOOT_ELF32
3216457d9fcSYoichi Yuasa	select CEVT_DS1287
32281d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3234247417dSYoichi Yuasa	select CSRC_IOASIC
32481d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
32520d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
32620d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
32720d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3281da177e4SLinus Torvalds	select DMA_NONCOHERENT
329ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
33067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3317cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3327cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
333ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3347d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3355e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3361723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3371723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3381723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
339930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3405e83d430SRalf Baechle	help
3411da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3421da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3431da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3441da177e4SLinus Torvalds
3451da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3461da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3471da177e4SLinus Torvalds
3481da177e4SLinus Torvalds		DECstation 5000/50
3491da177e4SLinus Torvalds		DECstation 5000/150
3501da177e4SLinus Torvalds		DECstation 5000/260
3511da177e4SLinus Torvalds		DECsystem 5900/260
3521da177e4SLinus Torvalds
3531da177e4SLinus Torvalds	  otherwise choose R3000.
3541da177e4SLinus Torvalds
3555e83d430SRalf Baechleconfig MACH_JAZZ
3563fa986faSMartin Michlmayr	bool "Jazz family of machines"
357a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
3587a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
3590e2794b0SRalf Baechle	select FW_ARC
3600e2794b0SRalf Baechle	select FW_ARC32
3615e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
36242f77542SRalf Baechle	select CEVT_R4K
363940f6b48SRalf Baechle	select CSRC_R4K
364e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
3655e83d430SRalf Baechle	select GENERIC_ISA_DMA
3668a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
36767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
368d865bea4SRalf Baechle	select I8253
3695e83d430SRalf Baechle	select I8259
3705e83d430SRalf Baechle	select ISA
3717cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3725e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3737d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3741723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
3751da177e4SLinus Torvalds	help
3765e83d430SRalf Baechle	 This a family of machines based on the MIPS R4030 chipset which was
3775e83d430SRalf Baechle	 used by several vendors to build RISC/os and Windows NT workstations.
378692105b8SMatt LaPlante	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
3795e83d430SRalf Baechle	 Olivetti M700-10 workstations.
3805e83d430SRalf Baechle
381de361e8bSPaul Burtonconfig MACH_INGENIC
382de361e8bSPaul Burton	bool "Ingenic SoC based machines"
3835ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
3845ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
385f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
3865ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
38767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
38837b4c3caSPaul Cercueil	select PINCTRL
389d30a2b47SLinus Walleij	select GPIOLIB
390ff1930c6SPaul Burton	select COMMON_CLK
39183bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
392ffb1843dSPaul Burton	select BUILTIN_DTB
393ffb1843dSPaul Burton	select USE_OF
3946ec127fbSPaul Burton	select LIBFDT
3955ebabe59SLars-Peter Clausen
396171bb2f1SJohn Crispinconfig LANTIQ
397171bb2f1SJohn Crispin	bool "Lantiq based platforms"
398171bb2f1SJohn Crispin	select DMA_NONCOHERENT
39967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
400171bb2f1SJohn Crispin	select CEVT_R4K
401171bb2f1SJohn Crispin	select CSRC_R4K
402171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
403171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
404171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
405171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
406377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
407171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
408f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
409171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
410d30a2b47SLinus Walleij	select GPIOLIB
411171bb2f1SJohn Crispin	select SWAP_IO_SPACE
412171bb2f1SJohn Crispin	select BOOT_RAW
413287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
414a0392222SJohn Crispin	select USE_OF
4153f8c50c9SJohn Crispin	select PINCTRL
4163f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
417c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
418c530781cSJohn Crispin	select RESET_CONTROLLER
419171bb2f1SJohn Crispin
4201f21d2bdSBrian Murphyconfig LASAT
4211f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
42242f77542SRalf Baechle	select CEVT_R4K
42316f0bbbcSRalf Baechle	select CRC32
424940f6b48SRalf Baechle	select CSRC_R4K
4251f21d2bdSBrian Murphy	select DMA_NONCOHERENT
4261f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
4271f21d2bdSBrian Murphy	select HW_HAS_PCI
42867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4291f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
4301f21d2bdSBrian Murphy	select MIPS_NILE4
4311f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
4321f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
4331f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
4341f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
4351f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
4361f21d2bdSBrian Murphy
43730ad29bbSHuacai Chenconfig MACH_LOONGSON32
43830ad29bbSHuacai Chen	bool "Loongson-1 family of machines"
439c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
440ade299d8SYoichi Yuasa	help
44130ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
44285749d24SWu Zhangjin
44330ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
44430ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
44530ad29bbSHuacai Chen	  Sciences (CAS).
446ade299d8SYoichi Yuasa
44730ad29bbSHuacai Chenconfig MACH_LOONGSON64
44830ad29bbSHuacai Chen	bool "Loongson-2/3 family of machines"
449ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
450ca585cf9SKelvin Cheung	help
45130ad29bbSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
452ca585cf9SKelvin Cheung
45330ad29bbSHuacai Chen	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
45430ad29bbSHuacai Chen	  family of multi-core CPUs. They are both 64-bit general-purpose
45530ad29bbSHuacai Chen	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
45630ad29bbSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
45730ad29bbSHuacai Chen	  in the People's Republic of China. The chief architect is Professor
45830ad29bbSHuacai Chen	  Weiwu Hu.
459ca585cf9SKelvin Cheung
4606a438309SAndrew Brestickerconfig MACH_PISTACHIO
4616a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
4626a438309SAndrew Bresticker	select BOOT_ELF32
4636a438309SAndrew Bresticker	select BOOT_RAW
4646a438309SAndrew Bresticker	select CEVT_R4K
4656a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
4666a438309SAndrew Bresticker	select COMMON_CLK
4676a438309SAndrew Bresticker	select CSRC_R4K
468645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
469d30a2b47SLinus Walleij	select GPIOLIB
47067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4716a438309SAndrew Bresticker	select LIBFDT
4726a438309SAndrew Bresticker	select MFD_SYSCON
4736a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
4746a438309SAndrew Bresticker	select MIPS_GIC
4756a438309SAndrew Bresticker	select PINCTRL
4766a438309SAndrew Bresticker	select REGULATOR
4776a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
4786a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
4796a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
4806a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
4816a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
48241cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
4836a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
484018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
485018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
4866a438309SAndrew Bresticker	select USE_OF
4876a438309SAndrew Bresticker	help
4886a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
4896a438309SAndrew Bresticker
4901da177e4SLinus Torvaldsconfig MIPS_MALTA
4913fa986faSMartin Michlmayr	bool "MIPS Malta board"
49261ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
493a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
4947a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
4951da177e4SLinus Torvalds	select BOOT_ELF32
496fa71c960SRalf Baechle	select BOOT_RAW
497e8823d26SPaul Burton	select BUILTIN_DTB
49842f77542SRalf Baechle	select CEVT_R4K
499fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
50042b002abSGuenter Roeck	select COMMON_CLK
50147bf2b03SMaksym Kokhan	select CSRC_R4K
502885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
5031da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5048a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
5051da177e4SLinus Torvalds	select HW_HAS_PCI
506d865bea4SRalf Baechle	select I8253
5071da177e4SLinus Torvalds	select I8259
50847bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
50947bf2b03SMaksym Kokhan	select LIBFDT
5105e83d430SRalf Baechle	select MIPS_BONITO64
5119318c51aSChris Dearman	select MIPS_CPU_SCACHE
51247bf2b03SMaksym Kokhan	select MIPS_GIC
513a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5145e83d430SRalf Baechle	select MIPS_MSC
51547bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
516ecafe3e9SPaul Burton	select SMP_UP if SMP
5171da177e4SLinus Torvalds	select SWAP_IO_SPACE
5187cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5197cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
520bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
521c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
522575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5237cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5245d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
525575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5267cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5277cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
528ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
529ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5305e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
531c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5325e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
533424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
53447bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5350365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
536e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
537f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
53847bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5399693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
540f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5411b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
542e8823d26SPaul Burton	select USE_OF
543abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5441da177e4SLinus Torvalds	help
545f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5461da177e4SLinus Torvalds	  board.
5471da177e4SLinus Torvalds
5482572f00dSJoshua Hendersonconfig MACH_PIC32
5492572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5502572f00dSJoshua Henderson	help
5512572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5522572f00dSJoshua Henderson
5532572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5542572f00dSJoshua Henderson	  microcontrollers.
5552572f00dSJoshua Henderson
556a83860c2SRalf Baechleconfig NEC_MARKEINS
557a83860c2SRalf Baechle	bool "NEC EMMA2RH Mark-eins board"
558a83860c2SRalf Baechle	select SOC_EMMA2RH
559a83860c2SRalf Baechle	select HW_HAS_PCI
560a83860c2SRalf Baechle	help
561a83860c2SRalf Baechle	  This enables support for the NEC Electronics Mark-eins boards.
562ade299d8SYoichi Yuasa
5635e83d430SRalf Baechleconfig MACH_VR41XX
56474142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
56542f77542SRalf Baechle	select CEVT_R4K
566940f6b48SRalf Baechle	select CSRC_R4K
5677cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
568377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
569d30a2b47SLinus Walleij	select GPIOLIB
5705e83d430SRalf Baechle
571edb6310aSDaniel Lairdconfig NXP_STB220
572edb6310aSDaniel Laird	bool "NXP STB220 board"
573edb6310aSDaniel Laird	select SOC_PNX833X
574edb6310aSDaniel Laird	help
575edb6310aSDaniel Laird	 Support for NXP Semiconductors STB220 Development Board.
576edb6310aSDaniel Laird
577edb6310aSDaniel Lairdconfig NXP_STB225
578edb6310aSDaniel Laird	bool "NXP 225 board"
579edb6310aSDaniel Laird	select SOC_PNX833X
580edb6310aSDaniel Laird	select SOC_PNX8335
581edb6310aSDaniel Laird	help
582edb6310aSDaniel Laird	 Support for NXP Semiconductors STB225 Development Board.
583edb6310aSDaniel Laird
5849267a30dSMarc St-Jeanconfig PMC_MSP
5859267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
58639d30c13SAnoop P A	select CEVT_R4K
58739d30c13SAnoop P A	select CSRC_R4K
5889267a30dSMarc St-Jean	select DMA_NONCOHERENT
5899267a30dSMarc St-Jean	select SWAP_IO_SPACE
5909267a30dSMarc St-Jean	select NO_EXCEPT_FILL
5919267a30dSMarc St-Jean	select BOOT_RAW
5929267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
5939267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
5949267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
5959267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
596377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
59767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5989267a30dSMarc St-Jean	select SERIAL_8250
5999267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
6009296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_MMIO
6019296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_DESC
6029267a30dSMarc St-Jean	help
6039267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
6049267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
6059267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
6069267a30dSMarc St-Jean	  a variety of MIPS cores.
6079267a30dSMarc St-Jean
608ae2b5bb6SJohn Crispinconfig RALINK
609ae2b5bb6SJohn Crispin	bool "Ralink based machines"
610ae2b5bb6SJohn Crispin	select CEVT_R4K
611ae2b5bb6SJohn Crispin	select CSRC_R4K
612ae2b5bb6SJohn Crispin	select BOOT_RAW
613ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
61467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
615ae2b5bb6SJohn Crispin	select USE_OF
616ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
617ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
618ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
619ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
620377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
621ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
622ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6232a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6242a153f1cSJohn Crispin	select RESET_CONTROLLER
625ae2b5bb6SJohn Crispin
6261da177e4SLinus Torvaldsconfig SGI_IP22
6273fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
6280e2794b0SRalf Baechle	select FW_ARC
6290e2794b0SRalf Baechle	select FW_ARC32
6307a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6311da177e4SLinus Torvalds	select BOOT_ELF32
63242f77542SRalf Baechle	select CEVT_R4K
633940f6b48SRalf Baechle	select CSRC_R4K
634e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6351da177e4SLinus Torvalds	select DMA_NONCOHERENT
6365e83d430SRalf Baechle	select HW_HAS_EISA
637d865bea4SRalf Baechle	select I8253
63868de4803SThomas Bogendoerfer	select I8259
6391da177e4SLinus Torvalds	select IP22_CPU_SCACHE
64067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
641aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
642e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
643e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
64436e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
645e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
646e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
647e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6481da177e4SLinus Torvalds	select SWAP_IO_SPACE
6497cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6507cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
6512b5e63f6SMartin Michlmayr	#
6522b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
6532b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
6542b5e63f6SMartin Michlmayr	#
6552b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
6562b5e63f6SMartin Michlmayr	# for a more details discussion
6572b5e63f6SMartin Michlmayr	#
6582b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
659ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
660ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6615e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
662930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6631da177e4SLinus Torvalds	help
6641da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6651da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6661da177e4SLinus Torvalds	  that runs on these, say Y here.
6671da177e4SLinus Torvalds
6681da177e4SLinus Torvaldsconfig SGI_IP27
6693fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
67054aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
6710e2794b0SRalf Baechle	select FW_ARC
6720e2794b0SRalf Baechle	select FW_ARC64
6735e83d430SRalf Baechle	select BOOT_ELF64
674e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
67536a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
6761da177e4SLinus Torvalds	select HW_HAS_PCI
677130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
6787cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
679ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6805e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
681d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
6821a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
683930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6841da177e4SLinus Torvalds	help
6851da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
6861da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
6871da177e4SLinus Torvalds	  here.
6881da177e4SLinus Torvalds
689e2defae5SThomas Bogendoerferconfig SGI_IP28
6907d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
6910e2794b0SRalf Baechle	select FW_ARC
6920e2794b0SRalf Baechle	select FW_ARC64
6937a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
694e2defae5SThomas Bogendoerfer	select BOOT_ELF64
695e2defae5SThomas Bogendoerfer	select CEVT_R4K
696e2defae5SThomas Bogendoerfer	select CSRC_R4K
697e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
698e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
699e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
70067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
701e2defae5SThomas Bogendoerfer	select HW_HAS_EISA
702e2defae5SThomas Bogendoerfer	select I8253
703e2defae5SThomas Bogendoerfer	select I8259
704e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
705e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7065b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
707e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
708e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
709e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
710e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
711e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7122b5e63f6SMartin Michlmayr	#
7132b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
7142b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
7152b5e63f6SMartin Michlmayr	#
7162b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
7172b5e63f6SMartin Michlmayr	# for a more details discussion
7182b5e63f6SMartin Michlmayr	#
7192b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
720e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
721e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
722dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
723e2defae5SThomas Bogendoerfer      help
724e2defae5SThomas Bogendoerfer        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
725e2defae5SThomas Bogendoerfer        kernel that runs on these, say Y here.
726e2defae5SThomas Bogendoerfer
7271da177e4SLinus Torvaldsconfig SGI_IP32
728cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
72903df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7300e2794b0SRalf Baechle	select FW_ARC
7310e2794b0SRalf Baechle	select FW_ARC32
7321da177e4SLinus Torvalds	select BOOT_ELF32
73342f77542SRalf Baechle	select CEVT_R4K
734940f6b48SRalf Baechle	select CSRC_R4K
7351da177e4SLinus Torvalds	select DMA_NONCOHERENT
7361da177e4SLinus Torvalds	select HW_HAS_PCI
73767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7381da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7391da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7407cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7417cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7427cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
743dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
744ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7455e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7461da177e4SLinus Torvalds	help
7471da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
7481da177e4SLinus Torvalds
749ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
750ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
7515e83d430SRalf Baechle	select BOOT_ELF32
7525e83d430SRalf Baechle	select SIBYTE_BCM1120
7535e83d430SRalf Baechle	select SWAP_IO_SPACE
7547cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7555e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7565e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7575e83d430SRalf Baechle
758ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
759ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
7605e83d430SRalf Baechle	select BOOT_ELF32
7615e83d430SRalf Baechle	select SIBYTE_BCM1120
7625e83d430SRalf Baechle	select SWAP_IO_SPACE
7637cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7645e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7655e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7665e83d430SRalf Baechle
7675e83d430SRalf Baechleconfig SIBYTE_CRHONE
7683fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
7695e83d430SRalf Baechle	select BOOT_ELF32
7705e83d430SRalf Baechle	select SIBYTE_BCM1125
7715e83d430SRalf Baechle	select SWAP_IO_SPACE
7727cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7735e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7745e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7755e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7765e83d430SRalf Baechle
777ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
778ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
779ade299d8SYoichi Yuasa	select BOOT_ELF32
780ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
781ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
782ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
783ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
784ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
785ade299d8SYoichi Yuasa
786ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
787ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
788ade299d8SYoichi Yuasa	select BOOT_ELF32
789fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
790ade299d8SYoichi Yuasa	select SIBYTE_SB1250
791ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
792ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
793ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
794ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
795ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
796cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
797*e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
798ade299d8SYoichi Yuasa
799ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
800ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
801ade299d8SYoichi Yuasa	select BOOT_ELF32
802fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
803ade299d8SYoichi Yuasa	select SIBYTE_SB1250
804ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
805ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
806ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
807ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
808ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
809756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
810ade299d8SYoichi Yuasa
811ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
812ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
813ade299d8SYoichi Yuasa	select BOOT_ELF32
814ade299d8SYoichi Yuasa	select SIBYTE_SB1250
815ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
816ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
817ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
818ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
819*e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
820ade299d8SYoichi Yuasa
821ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
822ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
823ade299d8SYoichi Yuasa	select BOOT_ELF32
824ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
825ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
826ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
827ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
828ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
829651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
830ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
831cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
832*e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
833ade299d8SYoichi Yuasa
83414b36af4SThomas Bogendoerferconfig SNI_RM
83514b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
8360e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8370e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
838aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8395e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
840a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8417a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8425e83d430SRalf Baechle	select BOOT_ELF32
84342f77542SRalf Baechle	select CEVT_R4K
844940f6b48SRalf Baechle	select CSRC_R4K
845e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
8465e83d430SRalf Baechle	select DMA_NONCOHERENT
8475e83d430SRalf Baechle	select GENERIC_ISA_DMA
8488a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
8495e83d430SRalf Baechle	select HW_HAS_EISA
8505e83d430SRalf Baechle	select HW_HAS_PCI
85167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
852d865bea4SRalf Baechle	select I8253
8535e83d430SRalf Baechle	select I8259
8545e83d430SRalf Baechle	select ISA
8554a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
8567cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
8574a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
858c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
8594a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
86036a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
861ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
8627d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
8634a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
8645e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8655e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8661da177e4SLinus Torvalds	help
86714b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
86814b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
8695e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
8705e83d430SRalf Baechle	  support this machine type.
8711da177e4SLinus Torvalds
872edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
873edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
8745e83d430SRalf Baechle
875edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
876edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
87723fbee9dSRalf Baechle
87873b4390fSRalf Baechleconfig MIKROTIK_RB532
87973b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
88073b4390fSRalf Baechle	select CEVT_R4K
88173b4390fSRalf Baechle	select CSRC_R4K
88273b4390fSRalf Baechle	select DMA_NONCOHERENT
88373b4390fSRalf Baechle	select HW_HAS_PCI
88467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
88573b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
88673b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
88773b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
88873b4390fSRalf Baechle	select SWAP_IO_SPACE
88973b4390fSRalf Baechle	select BOOT_RAW
890d30a2b47SLinus Walleij	select GPIOLIB
891930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
89273b4390fSRalf Baechle	help
89373b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
89473b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
89573b4390fSRalf Baechle
8969ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
8979ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
898a86c7f72SDavid Daney	select CEVT_R4K
899ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
900491ec155SAlexander Sverdlin	select HAS_RAPIDIO
901d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
902a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
903a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
904f65aad41SRalf Baechle	select EDAC_SUPPORT
905b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
90673569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
90773569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
908a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9095e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
910e8635b48SDavid Daney	select HW_HAS_PCI
911f00e001eSDavid Daney	select ZONE_DMA32
912465aaed0SDavid Daney	select HOLES_IN_ZONE
913d30a2b47SLinus Walleij	select GPIOLIB
9146e511163SDavid Daney	select LIBFDT
9156e511163SDavid Daney	select USE_OF
9166e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9176e511163SDavid Daney	select SYS_SUPPORTS_SMP
9187820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9197820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
920e326479fSAndrew Bresticker	select BUILTIN_DTB
9218c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
92209230cbcSChristoph Hellwig	select SWIOTLB
9233ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
924a86c7f72SDavid Daney	help
925a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
926a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
927a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
928a86c7f72SDavid Daney	  Some of the supported boards are:
929a86c7f72SDavid Daney		EBT3000
930a86c7f72SDavid Daney		EBH3000
931a86c7f72SDavid Daney		EBH3100
932a86c7f72SDavid Daney		Thunder
933a86c7f72SDavid Daney		Kodama
934a86c7f72SDavid Daney		Hikari
935a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
936a86c7f72SDavid Daney
9377f058e85SJayachandran Cconfig NLM_XLR_BOARD
9387f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
9397f058e85SJayachandran C	select BOOT_ELF32
9407f058e85SJayachandran C	select NLM_COMMON
9417f058e85SJayachandran C	select SYS_HAS_CPU_XLR
9427f058e85SJayachandran C	select SYS_SUPPORTS_SMP
9437f058e85SJayachandran C	select HW_HAS_PCI
9447f058e85SJayachandran C	select SWAP_IO_SPACE
9457f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9467f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
947d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
9487f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9497f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9507f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
9517f058e85SJayachandran C	select CEVT_R4K
9527f058e85SJayachandran C	select CSRC_R4K
95367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
954b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9557f058e85SJayachandran C	select SYNC_R4K
9567f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
9578f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9588f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9597f058e85SJayachandran C	help
9607f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
9617f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
9627f058e85SJayachandran C
9631c773ea4SJayachandran Cconfig NLM_XLP_BOARD
9641c773ea4SJayachandran C	bool "Netlogic XLP based systems"
9651c773ea4SJayachandran C	select BOOT_ELF32
9661c773ea4SJayachandran C	select NLM_COMMON
9671c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
9681c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
9691c773ea4SJayachandran C	select HW_HAS_PCI
9701c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9711c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
972d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
973d30a2b47SLinus Walleij	select GPIOLIB
9741c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9751c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
9761c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9771c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
9781c773ea4SJayachandran C	select CEVT_R4K
9791c773ea4SJayachandran C	select CSRC_R4K
98067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
981b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9821c773ea4SJayachandran C	select SYNC_R4K
9831c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
9842f6528e1SJayachandran C	select USE_OF
9858f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9868f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9871c773ea4SJayachandran C	help
9881c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
9891c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
9901c773ea4SJayachandran C
9919bc463beSDavid Daneyconfig MIPS_PARAVIRT
9929bc463beSDavid Daney	bool "Para-Virtualized guest system"
9939bc463beSDavid Daney	select CEVT_R4K
9949bc463beSDavid Daney	select CSRC_R4K
9959bc463beSDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
9969bc463beSDavid Daney	select SYS_SUPPORTS_32BIT_KERNEL
9979bc463beSDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
9989bc463beSDavid Daney	select SYS_SUPPORTS_SMP
9999bc463beSDavid Daney	select NR_CPUS_DEFAULT_4
10009bc463beSDavid Daney	select SYS_HAS_EARLY_PRINTK
10019bc463beSDavid Daney	select SYS_HAS_CPU_MIPS32_R2
10029bc463beSDavid Daney	select SYS_HAS_CPU_MIPS64_R2
10039bc463beSDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
10049bc463beSDavid Daney	select HW_HAS_PCI
10059bc463beSDavid Daney	select SWAP_IO_SPACE
10069bc463beSDavid Daney	help
10079bc463beSDavid Daney	  This option supports guest running under ????
10089bc463beSDavid Daney
10091da177e4SLinus Torvaldsendchoice
10101da177e4SLinus Torvalds
1011e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10123b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1013d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1014a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1015e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10168945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1017eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
10185e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10195ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
10208ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10211f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
10222572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1023af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
10240f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig"
1025ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
102629c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
102738b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
102822b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10295e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1030a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
103130ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
103230ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
10337f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
1034ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig"
103538b18f72SRalf Baechle
10365e83d430SRalf Baechleendmenu
10375e83d430SRalf Baechle
10381da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
10391da177e4SLinus Torvalds	bool
10401da177e4SLinus Torvalds	default y
10411da177e4SLinus Torvalds
10421da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM
10431da177e4SLinus Torvalds	bool
10441da177e4SLinus Torvalds
10453c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10463c9ee7efSAkinobu Mita	bool
10473c9ee7efSAkinobu Mita	default y
10483c9ee7efSAkinobu Mita
10491da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10501da177e4SLinus Torvalds	bool
10511da177e4SLinus Torvalds	default y
10521da177e4SLinus Torvalds
1053ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10541cc89038SAtsushi Nemoto	bool
10551cc89038SAtsushi Nemoto	default y
10561cc89038SAtsushi Nemoto
10571da177e4SLinus Torvalds#
10581da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10591da177e4SLinus Torvalds#
10600e2794b0SRalf Baechleconfig FW_ARC
10611da177e4SLinus Torvalds	bool
10621da177e4SLinus Torvalds
106361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
106461ed242dSRalf Baechle	bool
106561ed242dSRalf Baechle
10669267a30dSMarc St-Jeanconfig BOOT_RAW
10679267a30dSMarc St-Jean	bool
10689267a30dSMarc St-Jean
1069217dd11eSRalf Baechleconfig CEVT_BCM1480
1070217dd11eSRalf Baechle	bool
1071217dd11eSRalf Baechle
10726457d9fcSYoichi Yuasaconfig CEVT_DS1287
10736457d9fcSYoichi Yuasa	bool
10746457d9fcSYoichi Yuasa
10751097c6acSYoichi Yuasaconfig CEVT_GT641XX
10761097c6acSYoichi Yuasa	bool
10771097c6acSYoichi Yuasa
107842f77542SRalf Baechleconfig CEVT_R4K
107942f77542SRalf Baechle	bool
108042f77542SRalf Baechle
1081217dd11eSRalf Baechleconfig CEVT_SB1250
1082217dd11eSRalf Baechle	bool
1083217dd11eSRalf Baechle
1084229f773eSAtsushi Nemotoconfig CEVT_TXX9
1085229f773eSAtsushi Nemoto	bool
1086229f773eSAtsushi Nemoto
1087217dd11eSRalf Baechleconfig CSRC_BCM1480
1088217dd11eSRalf Baechle	bool
1089217dd11eSRalf Baechle
10904247417dSYoichi Yuasaconfig CSRC_IOASIC
10914247417dSYoichi Yuasa	bool
10924247417dSYoichi Yuasa
1093940f6b48SRalf Baechleconfig CSRC_R4K
1094940f6b48SRalf Baechle	bool
1095940f6b48SRalf Baechle
1096217dd11eSRalf Baechleconfig CSRC_SB1250
1097217dd11eSRalf Baechle	bool
1098217dd11eSRalf Baechle
1099a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1100a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1101a7f4df4eSAlex Smith
1102a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1103d30a2b47SLinus Walleij	select GPIOLIB
1104a9aec7feSAtsushi Nemoto	bool
1105a9aec7feSAtsushi Nemoto
11060e2794b0SRalf Baechleconfig FW_CFE
1107df78b5c8SAurelien Jarno	bool
1108df78b5c8SAurelien Jarno
110940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
111040e084a5SRalf Baechle	bool
111140e084a5SRalf Baechle
1112885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1113f3ecc0ffSChristoph Hellwig	select ARCH_HAS_DMA_COHERENCE_H
1114885014bcSFelix Fietkau	select DMA_NONCOHERENT
1115885014bcSFelix Fietkau	bool
1116885014bcSFelix Fietkau
111720d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
111820d33064SPaul Burton	bool
11195748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
112020d33064SPaul Burton
11211da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11221da177e4SLinus Torvalds	bool
112358b04406SChristoph Hellwig	select ARCH_HAS_DMA_MMAP_PGPROT
1124f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1125f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU
1126e1e02b32SFUJITA Tomonori	select NEED_DMA_MAP_STATE
112758b04406SChristoph Hellwig	select ARCH_HAS_DMA_COHERENT_TO_PFN
1128f8c55dc6SChristoph Hellwig	select DMA_NONCOHERENT_CACHE_SYNC
11294ce588cdSRalf Baechle
113036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11311da177e4SLinus Torvalds	bool
11321da177e4SLinus Torvalds
11331b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1134dbb74540SRalf Baechle	bool
1135dbb74540SRalf Baechle
11361da177e4SLinus Torvaldsconfig MIPS_BONITO64
11371da177e4SLinus Torvalds	bool
11381da177e4SLinus Torvalds
11391da177e4SLinus Torvaldsconfig MIPS_MSC
11401da177e4SLinus Torvalds	bool
11411da177e4SLinus Torvalds
11421f21d2bdSBrian Murphyconfig MIPS_NILE4
11431f21d2bdSBrian Murphy	bool
11441f21d2bdSBrian Murphy
114539b8d525SRalf Baechleconfig SYNC_R4K
114639b8d525SRalf Baechle	bool
114739b8d525SRalf Baechle
1148487d70d0SGabor Juhosconfig MIPS_MACHINE
1149487d70d0SGabor Juhos	def_bool n
1150487d70d0SGabor Juhos
1151ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1152d388d685SMaciej W. Rozycki	def_bool n
1153d388d685SMaciej W. Rozycki
11544e0748f5SMarkos Chandrasconfig GENERIC_CSUM
11554e0748f5SMarkos Chandras	bool
1156932afdeeSYasha Cherikovsky	default y if !CPU_HAS_LOAD_STORE_LR
11574e0748f5SMarkos Chandras
11588313da30SRalf Baechleconfig GENERIC_ISA_DMA
11598313da30SRalf Baechle	bool
11608313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1161a35bee8aSNamhyung Kim	select ISA_DMA_API
11628313da30SRalf Baechle
1163aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1164aa414dffSRalf Baechle	bool
11658313da30SRalf Baechle	select GENERIC_ISA_DMA
1166aa414dffSRalf Baechle
1167a35bee8aSNamhyung Kimconfig ISA_DMA_API
1168a35bee8aSNamhyung Kim	bool
1169a35bee8aSNamhyung Kim
1170465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1171465aaed0SDavid Daney	bool
1172465aaed0SDavid Daney
11738c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
11748c530ea3SMatt Redfearn	bool
11758c530ea3SMatt Redfearn	help
11768c530ea3SMatt Redfearn	 Selected if the platform supports relocating the kernel.
11778c530ea3SMatt Redfearn	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
11788c530ea3SMatt Redfearn	 to allow access to command line and entropy sources.
11798c530ea3SMatt Redfearn
1180f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT
1181f381bf6dSDavid Daney	def_bool y
1182f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_CBPF_JIT
1183f381bf6dSDavid Daney
1184f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT
1185f381bf6dSDavid Daney	def_bool y
1186f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_EBPF_JIT
1187f381bf6dSDavid Daney
1188f381bf6dSDavid Daney
11895e83d430SRalf Baechle#
11906b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
11915e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
11925e83d430SRalf Baechle# choice statement should be more obvious to the user.
11935e83d430SRalf Baechle#
11945e83d430SRalf Baechlechoice
11956b2aac42SMasanari Iida	prompt "Endianness selection"
11961da177e4SLinus Torvalds	help
11971da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
11985e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
11993cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
12005e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
12013dde6ad8SDavid Sterba	  one or the other endianness.
12025e83d430SRalf Baechle
12035e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
12045e83d430SRalf Baechle	bool "Big endian"
12055e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
12065e83d430SRalf Baechle
12075e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
12085e83d430SRalf Baechle	bool "Little endian"
12095e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
12105e83d430SRalf Baechle
12115e83d430SRalf Baechleendchoice
12125e83d430SRalf Baechle
121322b0763aSDavid Daneyconfig EXPORT_UASM
121422b0763aSDavid Daney	bool
121522b0763aSDavid Daney
12162116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
12172116245eSRalf Baechle	bool
12182116245eSRalf Baechle
12195e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
12205e83d430SRalf Baechle	bool
12215e83d430SRalf Baechle
12225e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12235e83d430SRalf Baechle	bool
12241da177e4SLinus Torvalds
12259cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
12269cffd154SDavid Daney	bool
12279cffd154SDavid Daney	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
12289cffd154SDavid Daney	default y
12299cffd154SDavid Daney
1230aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1231aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1232aa1762f4SDavid Daney
12331da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
12341da177e4SLinus Torvalds	bool
12351da177e4SLinus Torvalds
12369267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12379267a30dSMarc St-Jean	bool
12389267a30dSMarc St-Jean
12399267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12409267a30dSMarc St-Jean	bool
12419267a30dSMarc St-Jean
12428420fd00SAtsushi Nemotoconfig IRQ_TXX9
12438420fd00SAtsushi Nemoto	bool
12448420fd00SAtsushi Nemoto
1245d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1246d5ab1a69SYoichi Yuasa	bool
1247d5ab1a69SYoichi Yuasa
1248252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12491da177e4SLinus Torvalds	bool
12501da177e4SLinus Torvalds
12519267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12529267a30dSMarc St-Jean	bool
12539267a30dSMarc St-Jean
1254a83860c2SRalf Baechleconfig SOC_EMMA2RH
1255a83860c2SRalf Baechle	bool
1256a83860c2SRalf Baechle	select CEVT_R4K
1257a83860c2SRalf Baechle	select CSRC_R4K
1258a83860c2SRalf Baechle	select DMA_NONCOHERENT
125967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1260a83860c2SRalf Baechle	select SWAP_IO_SPACE
1261a83860c2SRalf Baechle	select SYS_HAS_CPU_R5500
1262a83860c2SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
1263a83860c2SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
1264a83860c2SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
1265a83860c2SRalf Baechle
1266edb6310aSDaniel Lairdconfig SOC_PNX833X
1267edb6310aSDaniel Laird	bool
1268edb6310aSDaniel Laird	select CEVT_R4K
1269edb6310aSDaniel Laird	select CSRC_R4K
127067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1271edb6310aSDaniel Laird	select DMA_NONCOHERENT
1272edb6310aSDaniel Laird	select SYS_HAS_CPU_MIPS32_R2
1273edb6310aSDaniel Laird	select SYS_SUPPORTS_32BIT_KERNEL
1274edb6310aSDaniel Laird	select SYS_SUPPORTS_LITTLE_ENDIAN
1275edb6310aSDaniel Laird	select SYS_SUPPORTS_BIG_ENDIAN
1276377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1277edb6310aSDaniel Laird	select CPU_MIPSR2_IRQ_VI
1278edb6310aSDaniel Laird
1279edb6310aSDaniel Lairdconfig SOC_PNX8335
1280edb6310aSDaniel Laird	bool
1281edb6310aSDaniel Laird	select SOC_PNX833X
1282edb6310aSDaniel Laird
1283a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1284a7e07b1aSMarkos Chandras	bool
1285a7e07b1aSMarkos Chandras
12861da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12871da177e4SLinus Torvalds	bool
12881da177e4SLinus Torvalds
1289e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1290e2defae5SThomas Bogendoerfer	bool
1291e2defae5SThomas Bogendoerfer
12925b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12935b438c44SThomas Bogendoerfer	bool
12945b438c44SThomas Bogendoerfer
1295e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1296e2defae5SThomas Bogendoerfer	bool
1297e2defae5SThomas Bogendoerfer
1298e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1299e2defae5SThomas Bogendoerfer	bool
1300e2defae5SThomas Bogendoerfer
1301e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1302e2defae5SThomas Bogendoerfer	bool
1303e2defae5SThomas Bogendoerfer
1304e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1305e2defae5SThomas Bogendoerfer	bool
1306e2defae5SThomas Bogendoerfer
1307e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1308e2defae5SThomas Bogendoerfer	bool
1309e2defae5SThomas Bogendoerfer
13100e2794b0SRalf Baechleconfig FW_ARC32
13115e83d430SRalf Baechle	bool
13125e83d430SRalf Baechle
1313aaa9fad3SPaul Bolleconfig FW_SNIPROM
1314231a35d3SThomas Bogendoerfer	bool
1315231a35d3SThomas Bogendoerfer
13161da177e4SLinus Torvaldsconfig BOOT_ELF32
13171da177e4SLinus Torvalds	bool
13181da177e4SLinus Torvalds
1319930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1320930beb5aSFlorian Fainelli	bool
1321930beb5aSFlorian Fainelli
1322930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1323930beb5aSFlorian Fainelli	bool
1324930beb5aSFlorian Fainelli
1325930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1326930beb5aSFlorian Fainelli	bool
1327930beb5aSFlorian Fainelli
1328930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1329930beb5aSFlorian Fainelli	bool
1330930beb5aSFlorian Fainelli
13311da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
13321da177e4SLinus Torvalds	int
1333a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
13345432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
13355432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
13365432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
13371da177e4SLinus Torvalds	default "5"
13381da177e4SLinus Torvalds
13391da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT
13401da177e4SLinus Torvalds	bool
13411da177e4SLinus Torvalds
13421da177e4SLinus Torvaldsconfig ARC_CONSOLE
13431da177e4SLinus Torvalds	bool "ARC console support"
1344e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
13451da177e4SLinus Torvalds
13461da177e4SLinus Torvaldsconfig ARC_MEMORY
13471da177e4SLinus Torvalds	bool
134814b36af4SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP32
13491da177e4SLinus Torvalds	default y
13501da177e4SLinus Torvalds
13511da177e4SLinus Torvaldsconfig ARC_PROMLIB
13521da177e4SLinus Torvalds	bool
1353e2defae5SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
13541da177e4SLinus Torvalds	default y
13551da177e4SLinus Torvalds
13560e2794b0SRalf Baechleconfig FW_ARC64
13571da177e4SLinus Torvalds	bool
13581da177e4SLinus Torvalds
13591da177e4SLinus Torvaldsconfig BOOT_ELF64
13601da177e4SLinus Torvalds	bool
13611da177e4SLinus Torvalds
13621da177e4SLinus Torvaldsmenu "CPU selection"
13631da177e4SLinus Torvalds
13641da177e4SLinus Torvaldschoice
13651da177e4SLinus Torvalds	prompt "CPU type"
13661da177e4SLinus Torvalds	default CPU_R4X00
13671da177e4SLinus Torvalds
13680e476d91SHuacai Chenconfig CPU_LOONGSON3
13690e476d91SHuacai Chen	bool "Loongson 3 CPU"
13700e476d91SHuacai Chen	depends on SYS_HAS_CPU_LOONGSON3
1371d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
13720e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13730e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13740e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
1375932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
13760e476d91SHuacai Chen	select WEAK_ORDERING
13770e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
1378b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
137917c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
1380d30a2b47SLinus Walleij	select GPIOLIB
138109230cbcSChristoph Hellwig	select SWIOTLB
13820e476d91SHuacai Chen	help
13830e476d91SHuacai Chen		The Loongson 3 processor implements the MIPS64R2 instruction
13840e476d91SHuacai Chen		set with many extensions.
13850e476d91SHuacai Chen
13861e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT
13871e820da3SHuacai Chen	bool "New Loongson 3 CPU Enhancements"
13881e820da3SHuacai Chen	default n
13891e820da3SHuacai Chen	select CPU_MIPSR2
13901e820da3SHuacai Chen	select CPU_HAS_PREFETCH
13911e820da3SHuacai Chen	depends on CPU_LOONGSON3
13921e820da3SHuacai Chen	help
13931e820da3SHuacai Chen	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
13941e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
13951e820da3SHuacai Chen	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
13961e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
13971e820da3SHuacai Chen	  Fast TLB refill support, etc.
13981e820da3SHuacai Chen
13991e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
14001e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
14011e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
14021e820da3SHuacai Chen	  new Loongson 3 machines only, please say 'Y' here.
14031e820da3SHuacai Chen
14043702bba5SWu Zhangjinconfig CPU_LOONGSON2E
14053702bba5SWu Zhangjin	bool "Loongson 2E"
14063702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
14073702bba5SWu Zhangjin	select CPU_LOONGSON2
14082a21c730SFuxin Zhang	help
14092a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
14102a21c730SFuxin Zhang	  with many extensions.
14112a21c730SFuxin Zhang
141225985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
14136f7a251aSWu Zhangjin	  bonito64.
14146f7a251aSWu Zhangjin
14156f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
14166f7a251aSWu Zhangjin	bool "Loongson 2F"
14176f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
14186f7a251aSWu Zhangjin	select CPU_LOONGSON2
1419d30a2b47SLinus Walleij	select GPIOLIB
14206f7a251aSWu Zhangjin	help
14216f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
14226f7a251aSWu Zhangjin	  with many extensions.
14236f7a251aSWu Zhangjin
14246f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
14256f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
14266f7a251aSWu Zhangjin	  Loongson2E.
14276f7a251aSWu Zhangjin
1428ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1429ca585cf9SKelvin Cheung	bool "Loongson 1B"
1430ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1431ca585cf9SKelvin Cheung	select CPU_LOONGSON1
14329ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1433ca585cf9SKelvin Cheung	help
1434ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1435968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1436968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1437ca585cf9SKelvin Cheung
143812e3280bSYang Lingconfig CPU_LOONGSON1C
143912e3280bSYang Ling	bool "Loongson 1C"
144012e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
144112e3280bSYang Ling	select CPU_LOONGSON1
144212e3280bSYang Ling	select LEDS_GPIO_REGISTER
144312e3280bSYang Ling	help
144412e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1445968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1446968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
144712e3280bSYang Ling
14486e760c8dSRalf Baechleconfig CPU_MIPS32_R1
14496e760c8dSRalf Baechle	bool "MIPS32 Release 1"
14507cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
14516e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1452932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1453797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1454ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14556e760c8dSRalf Baechle	help
14565e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14571e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14581e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14591e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14601e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14611e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
14621e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
14631e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
14641e5f1caaSRalf Baechle	  performance.
14651e5f1caaSRalf Baechle
14661e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
14671e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
14687cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
14691e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1470932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1471797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1472ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1473a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
14742235a54dSSanjay Lal	select HAVE_KVM
14751e5f1caaSRalf Baechle	help
14765e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
14776e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14786e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14796e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14806e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14811da177e4SLinus Torvalds
14827fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1483674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
14847fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
14857fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
14867fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
14877fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
14887fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
14897fd08ca5SLeonid Yegoshin	select HAVE_KVM
14907fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
14917fd08ca5SLeonid Yegoshin	help
14927fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
14937fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
14947fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
14957fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
14967fd08ca5SLeonid Yegoshin
14976e760c8dSRalf Baechleconfig CPU_MIPS64_R1
14986e760c8dSRalf Baechle	bool "MIPS64 Release 1"
14997cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1500797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1501932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1502ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1503ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1504ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15059cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
15066e760c8dSRalf Baechle	help
15076e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15086e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15096e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15106e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15116e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15121e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
15131e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
15141e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
15151e5f1caaSRalf Baechle	  performance.
15161e5f1caaSRalf Baechle
15171e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15181e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15197cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1520797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1521932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15221e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15231e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1524ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15259cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1526a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
152740a2df49SJames Hogan	select HAVE_KVM
15281e5f1caaSRalf Baechle	help
15291e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15301e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15311e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15321e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15331e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15341da177e4SLinus Torvalds
15357fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1536674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
15377fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
15387fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
15397fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15407fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
15417fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
15427fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15432e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
154440a2df49SJames Hogan	select HAVE_KVM
15457fd08ca5SLeonid Yegoshin	help
15467fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15477fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
15487fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
15497fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
15507fd08ca5SLeonid Yegoshin
15511da177e4SLinus Torvaldsconfig CPU_R3000
15521da177e4SLinus Torvalds	bool "R3000"
15537cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1554f7062ddbSRalf Baechle	select CPU_HAS_WB
1555932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1556ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1557797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15581da177e4SLinus Torvalds	help
15591da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
15601da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
15611da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
15621da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
15631da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
15641da177e4SLinus Torvalds	  try to recompile with R3000.
15651da177e4SLinus Torvalds
15661da177e4SLinus Torvaldsconfig CPU_TX39XX
15671da177e4SLinus Torvalds	bool "R39XX"
15687cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1569ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1570932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15711da177e4SLinus Torvalds
15721da177e4SLinus Torvaldsconfig CPU_VR41XX
15731da177e4SLinus Torvalds	bool "R41xx"
15747cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1575ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1576ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1577932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15781da177e4SLinus Torvalds	help
15795e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
15801da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
15811da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
15821da177e4SLinus Torvalds	  processor or vice versa.
15831da177e4SLinus Torvalds
15841da177e4SLinus Torvaldsconfig CPU_R4300
15851da177e4SLinus Torvalds	bool "R4300"
15867cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4300
1587ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1588ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1589932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15901da177e4SLinus Torvalds	help
15911da177e4SLinus Torvalds	  MIPS Technologies R4300-series processors.
15921da177e4SLinus Torvalds
15931da177e4SLinus Torvaldsconfig CPU_R4X00
15941da177e4SLinus Torvalds	bool "R4x00"
15957cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1596ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1597ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1598970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1599932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16001da177e4SLinus Torvalds	help
16011da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16021da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16031da177e4SLinus Torvalds
16041da177e4SLinus Torvaldsconfig CPU_TX49XX
16051da177e4SLinus Torvalds	bool "R49XX"
16067cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1607de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1608932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1609ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1610ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1611970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16121da177e4SLinus Torvalds
16131da177e4SLinus Torvaldsconfig CPU_R5000
16141da177e4SLinus Torvalds	bool "R5000"
16157cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1616ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1617ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1618970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1619932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16201da177e4SLinus Torvalds	help
16211da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16221da177e4SLinus Torvalds
16231da177e4SLinus Torvaldsconfig CPU_R5432
16241da177e4SLinus Torvalds	bool "R5432"
16257cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5432
16265e83d430SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
16275e83d430SRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1628970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1629932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16301da177e4SLinus Torvalds
1631542c1020SShinya Kuribayashiconfig CPU_R5500
1632542c1020SShinya Kuribayashi	bool "R5500"
1633542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1634542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1635542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
16369cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1637932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1638542c1020SShinya Kuribayashi	help
1639542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1640542c1020SShinya Kuribayashi	  instruction set.
1641542c1020SShinya Kuribayashi
16421da177e4SLinus Torvaldsconfig CPU_NEVADA
16431da177e4SLinus Torvalds	bool "RM52xx"
16447cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1645ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1646ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1647970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1648932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16491da177e4SLinus Torvalds	help
16501da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
16511da177e4SLinus Torvalds
16521da177e4SLinus Torvaldsconfig CPU_R8000
16531da177e4SLinus Torvalds	bool "R8000"
16547cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R8000
16555e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1656932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1657ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
16581da177e4SLinus Torvalds	help
16591da177e4SLinus Torvalds	  MIPS Technologies R8000 processors.  Note these processors are
16601da177e4SLinus Torvalds	  uncommon and the support for them is incomplete.
16611da177e4SLinus Torvalds
16621da177e4SLinus Torvaldsconfig CPU_R10000
16631da177e4SLinus Torvalds	bool "R10000"
16647cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
16655e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1666932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1667ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1668ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1669797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1670970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16711da177e4SLinus Torvalds	help
16721da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
16731da177e4SLinus Torvalds
16741da177e4SLinus Torvaldsconfig CPU_RM7000
16751da177e4SLinus Torvalds	bool "RM7000"
16767cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
16775e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1678932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1679ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1680ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1681797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1682970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16831da177e4SLinus Torvalds
16841da177e4SLinus Torvaldsconfig CPU_SB1
16851da177e4SLinus Torvalds	bool "SB1"
16867cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1687932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1688ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1689ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1690797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1691970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16920004a9dfSRalf Baechle	select WEAK_ORDERING
16931da177e4SLinus Torvalds
1694a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1695a86c7f72SDavid Daney	bool "Cavium Octeon processor"
16965e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1697a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1698932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1699a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1700a86c7f72SDavid Daney	select WEAK_ORDERING
1701a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17029cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1703df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1704df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1705930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17060ae3abcdSJames Hogan	select HAVE_KVM
1707a86c7f72SDavid Daney	help
1708a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1709a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1710a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1711a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1712a86c7f72SDavid Daney
1713cd746249SJonas Gorskiconfig CPU_BMIPS
1714cd746249SJonas Gorski	bool "Broadcom BMIPS"
1715cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1716cd746249SJonas Gorski	select CPU_MIPS32
1717fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1718cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1719cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1720cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1721cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1722cd746249SJonas Gorski	select DMA_NONCOHERENT
172367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1724cd746249SJonas Gorski	select SWAP_IO_SPACE
1725cd746249SJonas Gorski	select WEAK_ORDERING
1726c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
172769aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1728932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1729a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1730a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1731c1c0c461SKevin Cernekee	help
1732fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1733c1c0c461SKevin Cernekee
17347f058e85SJayachandran Cconfig CPU_XLR
17357f058e85SJayachandran C	bool "Netlogic XLR SoC"
17367f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
1737932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
17387f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17397f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
17407f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1741970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17427f058e85SJayachandran C	select WEAK_ORDERING
17437f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
17447f058e85SJayachandran C	help
17457f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
17461c773ea4SJayachandran C
17471c773ea4SJayachandran Cconfig CPU_XLP
17481c773ea4SJayachandran C	bool "Netlogic XLP SoC"
17491c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
17501c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17511c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
17521c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
17531c773ea4SJayachandran C	select WEAK_ORDERING
17541c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
17551c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1756932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1757d6504846SJayachandran C	select CPU_MIPSR2
1758ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
17592db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
17601c773ea4SJayachandran C	help
17611c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
17621da177e4SLinus Torvaldsendchoice
17631da177e4SLinus Torvalds
1764a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1765a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1766a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
17677fd08ca5SLeonid Yegoshin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1768a6e18781SLeonid Yegoshin	help
1769a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1770a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1771a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1772a6e18781SLeonid Yegoshin
1773a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1774a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1775a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1776a6e18781SLeonid Yegoshin	select EVA
1777a6e18781SLeonid Yegoshin	default y
1778a6e18781SLeonid Yegoshin	help
1779a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1780a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1781a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1782a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1783a6e18781SLeonid Yegoshin
1784c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1785c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1786c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1787c5b36783SSteven J. Hill	depends on CPU_MIPS32_R2
1788c5b36783SSteven J. Hill	help
1789c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1790c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1791c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1792c5b36783SSteven J. Hill
1793c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1794c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1795c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1796c5b36783SSteven J. Hill	depends on !EVA
1797c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1798c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1799c5b36783SSteven J. Hill	select XPA
1800c5b36783SSteven J. Hill	select HIGHMEM
1801d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1802c5b36783SSteven J. Hill	default n
1803c5b36783SSteven J. Hill	help
1804c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1805c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1806c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1807c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1808c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1809c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1810c5b36783SSteven J. Hill
1811622844bfSWu Zhangjinif CPU_LOONGSON2F
1812622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1813622844bfSWu Zhangjin	bool
1814622844bfSWu Zhangjin
1815622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1816622844bfSWu Zhangjin	bool
1817622844bfSWu Zhangjin
1818622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1819622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1820622844bfSWu Zhangjin	default y
1821622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1822622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1823622844bfSWu Zhangjin	help
1824622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1825622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1826622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1827622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1828622844bfSWu Zhangjin
1829622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1830622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1831622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1832622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1833622844bfSWu Zhangjin	  systems.
1834622844bfSWu Zhangjin
1835622844bfSWu Zhangjin	  If unsure, please say Y.
1836622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1837622844bfSWu Zhangjin
18381b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18391b93b3c3SWu Zhangjin	bool
18401b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18411b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
184231c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18431b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1844fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18454e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
18461b93b3c3SWu Zhangjin
18471b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18481b93b3c3SWu Zhangjin	bool
18491b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18501b93b3c3SWu Zhangjin
1851dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1852dbb98314SAlban Bedel	bool
1853dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1854dbb98314SAlban Bedel
18553702bba5SWu Zhangjinconfig CPU_LOONGSON2
18563702bba5SWu Zhangjin	bool
18573702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
18583702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
18593702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1860970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1861e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
1862932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
18633702bba5SWu Zhangjin
1864ca585cf9SKelvin Cheungconfig CPU_LOONGSON1
1865ca585cf9SKelvin Cheung	bool
1866ca585cf9SKelvin Cheung	select CPU_MIPS32
1867968dc5a0S谢致邦 (XIE Zhibang)	select CPU_MIPSR1
1868ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1869932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1870ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1871ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1872f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1873ca585cf9SKelvin Cheung
1874fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
187504fa8bf7SJonas Gorski	select SMP_UP if SMP
18761bbb6c1bSKevin Cernekee	bool
1877cd746249SJonas Gorski
1878cd746249SJonas Gorskiconfig CPU_BMIPS4350
1879cd746249SJonas Gorski	bool
1880cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1881cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1882cd746249SJonas Gorski
1883cd746249SJonas Gorskiconfig CPU_BMIPS4380
1884cd746249SJonas Gorski	bool
1885bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1886cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1887cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1888b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1889cd746249SJonas Gorski
1890cd746249SJonas Gorskiconfig CPU_BMIPS5000
1891cd746249SJonas Gorski	bool
1892cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1893bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1894cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1895cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1896b4720809SFlorian Fainelli	select CPU_HAS_RIXI
18971bbb6c1bSKevin Cernekee
18980e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3
18990e476d91SHuacai Chen	bool
19000e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1901b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19020e476d91SHuacai Chen
19033702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19042a21c730SFuxin Zhang	bool
19052a21c730SFuxin Zhang
19066f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19076f7a251aSWu Zhangjin	bool
190855045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
190955045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
191022f1fdfdSWu Zhangjin	select CPU_SUPPORTS_UNCACHED_ACCELERATED
19116f7a251aSWu Zhangjin
1912ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1913ca585cf9SKelvin Cheung	bool
1914ca585cf9SKelvin Cheung
191512e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
191612e3280bSYang Ling	bool
191712e3280bSYang Ling
19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
19197cf8053bSRalf Baechle	bool
19207cf8053bSRalf Baechle
19217cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
19227cf8053bSRalf Baechle	bool
19237cf8053bSRalf Baechle
1924a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1925a6e18781SLeonid Yegoshin	bool
1926a6e18781SLeonid Yegoshin
1927c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1928c5b36783SSteven J. Hill	bool
1929c5b36783SSteven J. Hill
19307fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
19317fd08ca5SLeonid Yegoshin	bool
19327fd08ca5SLeonid Yegoshin
19337cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
19347cf8053bSRalf Baechle	bool
19357cf8053bSRalf Baechle
19367cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19377cf8053bSRalf Baechle	bool
19387cf8053bSRalf Baechle
19397fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19407fd08ca5SLeonid Yegoshin	bool
19417fd08ca5SLeonid Yegoshin
19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19437cf8053bSRalf Baechle	bool
19447cf8053bSRalf Baechle
19457cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19467cf8053bSRalf Baechle	bool
19477cf8053bSRalf Baechle
19487cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19497cf8053bSRalf Baechle	bool
19507cf8053bSRalf Baechle
19517cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300
19527cf8053bSRalf Baechle	bool
19537cf8053bSRalf Baechle
19547cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
19557cf8053bSRalf Baechle	bool
19567cf8053bSRalf Baechle
19577cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
19587cf8053bSRalf Baechle	bool
19597cf8053bSRalf Baechle
19607cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
19617cf8053bSRalf Baechle	bool
19627cf8053bSRalf Baechle
19637cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432
19647cf8053bSRalf Baechle	bool
19657cf8053bSRalf Baechle
1966542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1967542c1020SShinya Kuribayashi	bool
1968542c1020SShinya Kuribayashi
19697cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
19707cf8053bSRalf Baechle	bool
19717cf8053bSRalf Baechle
19727cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000
19737cf8053bSRalf Baechle	bool
19747cf8053bSRalf Baechle
19757cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
19767cf8053bSRalf Baechle	bool
19777cf8053bSRalf Baechle
19787cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
19797cf8053bSRalf Baechle	bool
19807cf8053bSRalf Baechle
19817cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
19827cf8053bSRalf Baechle	bool
19837cf8053bSRalf Baechle
19845e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
19855e683389SDavid Daney	bool
19865e683389SDavid Daney
1987cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1988c1c0c461SKevin Cernekee	bool
1989c1c0c461SKevin Cernekee
1990fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1991c1c0c461SKevin Cernekee	bool
1992cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1993c1c0c461SKevin Cernekee
1994c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
1995c1c0c461SKevin Cernekee	bool
1996cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1997c1c0c461SKevin Cernekee
1998c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
1999c1c0c461SKevin Cernekee	bool
2000cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2001c1c0c461SKevin Cernekee
2002c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2003c1c0c461SKevin Cernekee	bool
2004cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2005c1c0c461SKevin Cernekee
20067f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20077f058e85SJayachandran C	bool
20087f058e85SJayachandran C
20091c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20101c773ea4SJayachandran C	bool
20111c773ea4SJayachandran C
201217099b11SRalf Baechle#
201317099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
201417099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
201517099b11SRalf Baechle#
20160004a9dfSRalf Baechleconfig WEAK_ORDERING
20170004a9dfSRalf Baechle	bool
201817099b11SRalf Baechle
201917099b11SRalf Baechle#
202017099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
202117099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
202217099b11SRalf Baechle#
202317099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
202417099b11SRalf Baechle	bool
20255e83d430SRalf Baechleendmenu
20265e83d430SRalf Baechle
20275e83d430SRalf Baechle#
20285e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
20295e83d430SRalf Baechle#
20305e83d430SRalf Baechleconfig CPU_MIPS32
20315e83d430SRalf Baechle	bool
20327fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
20335e83d430SRalf Baechle
20345e83d430SRalf Baechleconfig CPU_MIPS64
20355e83d430SRalf Baechle	bool
20367fd08ca5SLeonid Yegoshin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
20375e83d430SRalf Baechle
20385e83d430SRalf Baechle#
203957eeacedSPaul Burton# These indicate the revision of the architecture
20405e83d430SRalf Baechle#
20415e83d430SRalf Baechleconfig CPU_MIPSR1
20425e83d430SRalf Baechle	bool
20435e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20445e83d430SRalf Baechle
20455e83d430SRalf Baechleconfig CPU_MIPSR2
20465e83d430SRalf Baechle	bool
2047a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20488256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2049a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20505e83d430SRalf Baechle
20517fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20527fd08ca5SLeonid Yegoshin	bool
20537fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20548256b17eSFlorian Fainelli	select CPU_HAS_RIXI
205587321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
20562db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
20574a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2058a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20595e83d430SRalf Baechle
206057eeacedSPaul Burtonconfig TARGET_ISA_REV
206157eeacedSPaul Burton	int
206257eeacedSPaul Burton	default 1 if CPU_MIPSR1
206357eeacedSPaul Burton	default 2 if CPU_MIPSR2
206457eeacedSPaul Burton	default 6 if CPU_MIPSR6
206557eeacedSPaul Burton	default 0
206657eeacedSPaul Burton	help
206757eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
206857eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
206957eeacedSPaul Burton
2070a6e18781SLeonid Yegoshinconfig EVA
2071a6e18781SLeonid Yegoshin	bool
2072a6e18781SLeonid Yegoshin
2073c5b36783SSteven J. Hillconfig XPA
2074c5b36783SSteven J. Hill	bool
2075c5b36783SSteven J. Hill
20765e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
20775e83d430SRalf Baechle	bool
20785e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
20795e83d430SRalf Baechle	bool
20805e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
20815e83d430SRalf Baechle	bool
20825e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
20835e83d430SRalf Baechle	bool
208455045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
208555045ff5SWu Zhangjin	bool
208655045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
208755045ff5SWu Zhangjin	bool
20889cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
20899cffd154SDavid Daney	bool
209022f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED
209122f1fdfdSWu Zhangjin	bool
209282622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
209382622284SDavid Daney	bool
2094cebf8c0fSPaul Burton	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
20955e83d430SRalf Baechle
20968192c9eaSDavid Daney#
20978192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
20988192c9eaSDavid Daney#
20998192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
21008192c9eaSDavid Daney       bool
2101679eb637SJames Hogan       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
21028192c9eaSDavid Daney
21035e83d430SRalf Baechlemenu "Kernel type"
21045e83d430SRalf Baechle
21055e83d430SRalf Baechlechoice
21065e83d430SRalf Baechle	prompt "Kernel code model"
21075e83d430SRalf Baechle	help
21085e83d430SRalf Baechle	  You should only select this option if you have a workload that
21095e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
21105e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
21115e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
21125e83d430SRalf Baechle
21135e83d430SRalf Baechleconfig 32BIT
21145e83d430SRalf Baechle	bool "32-bit kernel"
21155e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
21165e83d430SRalf Baechle	select TRAD_SIGNALS
21175e83d430SRalf Baechle	help
21185e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2119f17c4ca3SRalf Baechle
21205e83d430SRalf Baechleconfig 64BIT
21215e83d430SRalf Baechle	bool "64-bit kernel"
21225e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21235e83d430SRalf Baechle	help
21245e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21255e83d430SRalf Baechle
21265e83d430SRalf Baechleendchoice
21275e83d430SRalf Baechle
21282235a54dSSanjay Lalconfig KVM_GUEST
21292235a54dSSanjay Lal	bool "KVM Guest Kernel"
2130f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
21312235a54dSSanjay Lal	help
2132caa1faa7SJames Hogan	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2133caa1faa7SJames Hogan	  mode.
21342235a54dSSanjay Lal
2135eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
2136eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
21372235a54dSSanjay Lal	depends on KVM_GUEST
2138eda3d33cSJames Hogan	default 100
21392235a54dSSanjay Lal	help
2140eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2141eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
2142eda3d33cSJames Hogan	  timer frequency is specified directly.
21432235a54dSSanjay Lal
21441e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21451e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21461e321fa9SLeonid Yegoshin	depends on 64BIT
21471e321fa9SLeonid Yegoshin	help
21483377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21493377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21503377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21513377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21523377e227SAlex Belits	  level of page tables is added which imposes both a memory
21533377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21543377e227SAlex Belits
21551e321fa9SLeonid Yegoshin	  If unsure, say N.
21561e321fa9SLeonid Yegoshin
21571da177e4SLinus Torvaldschoice
21581da177e4SLinus Torvalds	prompt "Kernel page size"
21591da177e4SLinus Torvalds	default PAGE_SIZE_4KB
21601da177e4SLinus Torvalds
21611da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
21621da177e4SLinus Torvalds	bool "4kB"
21630e476d91SHuacai Chen	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
21641da177e4SLinus Torvalds	help
21651da177e4SLinus Torvalds	 This option select the standard 4kB Linux page size.  On some
21661da177e4SLinus Torvalds	 R3000-family processors this is the only available page size.  Using
21671da177e4SLinus Torvalds	 4kB page size will minimize memory consumption and is therefore
21681da177e4SLinus Torvalds	 recommended for low memory systems.
21691da177e4SLinus Torvalds
21701da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
21711da177e4SLinus Torvalds	bool "8kB"
21727d60717eSKees Cook	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
21731e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
21741da177e4SLinus Torvalds	help
21751da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
21761da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2177c52399beSRalf Baechle	  only on R8000 and cnMIPS processors.  Note that you will need a
2178c52399beSRalf Baechle	  suitable Linux distribution to support this.
21791da177e4SLinus Torvalds
21801da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
21811da177e4SLinus Torvalds	bool "16kB"
2182714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
21831da177e4SLinus Torvalds	help
21841da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
21851da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2186714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2187714bfad6SRalf Baechle	  Linux distribution to support this.
21881da177e4SLinus Torvalds
2189c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2190c52399beSRalf Baechle	bool "32kB"
2191c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
21921e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2193c52399beSRalf Baechle	help
2194c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2195c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2196c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2197c52399beSRalf Baechle	  distribution to support this.
2198c52399beSRalf Baechle
21991da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22001da177e4SLinus Torvalds	bool "64kB"
22013b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22021da177e4SLinus Torvalds	help
22031da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22041da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22051da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2206714bfad6SRalf Baechle	  writing this option is still high experimental.
22071da177e4SLinus Torvalds
22081da177e4SLinus Torvaldsendchoice
22091da177e4SLinus Torvalds
2210c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2211c9bace7cSDavid Daney	int "Maximum zone order"
2212e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2213e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2214e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2215e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2216e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2217e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2218c9bace7cSDavid Daney	range 11 64
2219c9bace7cSDavid Daney	default "11"
2220c9bace7cSDavid Daney	help
2221c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2222c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2223c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2224c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2225c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2226c9bace7cSDavid Daney	  increase this value.
2227c9bace7cSDavid Daney
2228c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2229c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2230c9bace7cSDavid Daney
2231c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2232c9bace7cSDavid Daney	  when choosing a value for this option.
2233c9bace7cSDavid Daney
22341da177e4SLinus Torvaldsconfig BOARD_SCACHE
22351da177e4SLinus Torvalds	bool
22361da177e4SLinus Torvalds
22371da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22381da177e4SLinus Torvalds	bool
22391da177e4SLinus Torvalds	select BOARD_SCACHE
22401da177e4SLinus Torvalds
22419318c51aSChris Dearman#
22429318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22439318c51aSChris Dearman#
22449318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22459318c51aSChris Dearman	bool
22469318c51aSChris Dearman	select BOARD_SCACHE
22479318c51aSChris Dearman
22481da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22491da177e4SLinus Torvalds	bool
22501da177e4SLinus Torvalds	select BOARD_SCACHE
22511da177e4SLinus Torvalds
22521da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22531da177e4SLinus Torvalds	bool
22541da177e4SLinus Torvalds	select BOARD_SCACHE
22551da177e4SLinus Torvalds
22561da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
22571da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
22581da177e4SLinus Torvalds	depends on CPU_SB1
22591da177e4SLinus Torvalds	help
22601da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
22611da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
22621da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
22631da177e4SLinus Torvalds
22641da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2265c8094b53SRalf Baechle	bool
22661da177e4SLinus Torvalds
22673165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
22683165c846SFlorian Fainelli	bool
22693b2db173SPaul Burton	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
22703165c846SFlorian Fainelli
2271c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2272183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2273183b40f9SPaul Burton	default y
2274183b40f9SPaul Burton	help
2275183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2276183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2277183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2278183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2279183b40f9SPaul Burton	  receive a SIGILL.
2280183b40f9SPaul Burton
2281183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2282183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2283183b40f9SPaul Burton
2284183b40f9SPaul Burton	  If unsure, say y.
2285c92e47e5SPaul Burton
228697f7dcbfSPaul Burtonconfig CPU_R2300_FPU
228797f7dcbfSPaul Burton	bool
2288c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
228997f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
229097f7dcbfSPaul Burton
229191405eb6SFlorian Fainelliconfig CPU_R4K_FPU
229291405eb6SFlorian Fainelli	bool
2293c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
229497f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
229591405eb6SFlorian Fainelli
229662cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
229762cedc4fSFlorian Fainelli	bool
229862cedc4fSFlorian Fainelli	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
229962cedc4fSFlorian Fainelli
230059d6ab86SRalf Baechleconfig MIPS_MT_SMP
2301a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23025cbf9688SPaul Burton	default y
2303527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
230459d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2305d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2306c080faa5SSteven J. Hill	select SYNC_R4K
230759d6ab86SRalf Baechle	select MIPS_MT
230859d6ab86SRalf Baechle	select SMP
230987353d8aSRalf Baechle	select SMP_UP
2310c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2311c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2312399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
231359d6ab86SRalf Baechle	help
2314c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2315c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2316c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2317c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2318c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
231959d6ab86SRalf Baechle
2320f41ae0b2SRalf Baechleconfig MIPS_MT
2321f41ae0b2SRalf Baechle	bool
2322f41ae0b2SRalf Baechle
23230ab7aefcSRalf Baechleconfig SCHED_SMT
23240ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
23250ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
23260ab7aefcSRalf Baechle	default n
23270ab7aefcSRalf Baechle	help
23280ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
23290ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
23300ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
23310ab7aefcSRalf Baechle
23320ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
23330ab7aefcSRalf Baechle	bool
23340ab7aefcSRalf Baechle
2335f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2336f41ae0b2SRalf Baechle	bool
2337f41ae0b2SRalf Baechle
2338f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2339f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2340f088fc84SRalf Baechle	default y
2341b633648cSRalf Baechle	depends on MIPS_MT_SMP
234207cc0c9eSRalf Baechle
2343b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2344b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23459eaa9a82SPaul Burton	depends on CPU_MIPSR6
2346c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2347b0a668fbSLeonid Yegoshin	default y
2348b0a668fbSLeonid Yegoshin	help
2349b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2350b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
235107edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2352b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2353b0a668fbSLeonid Yegoshin	  final kernel image.
2354b0a668fbSLeonid Yegoshin
2355f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2356f35764e7SJames Hogan	bool
2357f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2358f35764e7SJames Hogan	help
2359f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2360f35764e7SJames Hogan	  physical_memsize.
2361f35764e7SJames Hogan
236207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
236307cc0c9eSRalf Baechle	bool "VPE loader support."
2364f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
236507cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
236607cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
236707cc0c9eSRalf Baechle	select MIPS_MT
236807cc0c9eSRalf Baechle	help
236907cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
237007cc0c9eSRalf Baechle	  onto another VPE and running it.
2371f088fc84SRalf Baechle
237217a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
237317a1d523SDeng-Cheng Zhu	bool
237417a1d523SDeng-Cheng Zhu	default "y"
237517a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
237617a1d523SDeng-Cheng Zhu
23771a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
23781a2a6d7eSDeng-Cheng Zhu	bool
23791a2a6d7eSDeng-Cheng Zhu	default "y"
23801a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
23811a2a6d7eSDeng-Cheng Zhu
2382e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2383e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2384e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2385e01402b1SRalf Baechle	default y
2386e01402b1SRalf Baechle	help
2387e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2388e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2389e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2390e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2391e01402b1SRalf Baechle
2392e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2393e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2394e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2395e01402b1SRalf Baechle
2396da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2397da615cf6SDeng-Cheng Zhu	bool
2398da615cf6SDeng-Cheng Zhu	default "y"
2399da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2400da615cf6SDeng-Cheng Zhu
24012c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24022c973ef0SDeng-Cheng Zhu	bool
24032c973ef0SDeng-Cheng Zhu	default "y"
24042c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24052c973ef0SDeng-Cheng Zhu
24064a16ff4cSRalf Baechleconfig MIPS_CMP
24075cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24085676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2409b10b43baSMarkos Chandras	select SMP
2410eb9b5141STim Anderson	select SYNC_R4K
2411b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
24124a16ff4cSRalf Baechle	select WEAK_ORDERING
24134a16ff4cSRalf Baechle	default n
24144a16ff4cSRalf Baechle	help
2415044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2416044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2417044505c7SPaul Burton	  its ability to start secondary CPUs.
24184a16ff4cSRalf Baechle
24195cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
24205cac93b3SPaul Burton	  instead of this.
24215cac93b3SPaul Burton
24220ee958e1SPaul Burtonconfig MIPS_CPS
24230ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
24245a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
24250ee958e1SPaul Burton	select MIPS_CM
24261d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
24270ee958e1SPaul Burton	select SMP
24280ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
24291d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2430c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
24310ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
24320ee958e1SPaul Burton	select WEAK_ORDERING
24330ee958e1SPaul Burton	help
24340ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24350ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24360ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24370ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24380ee958e1SPaul Burton	  support is unavailable.
24390ee958e1SPaul Burton
24403179d37eSPaul Burtonconfig MIPS_CPS_PM
244139a59593SMarkos Chandras	depends on MIPS_CPS
24423179d37eSPaul Burton	bool
24433179d37eSPaul Burton
24449f98f3ddSPaul Burtonconfig MIPS_CM
24459f98f3ddSPaul Burton	bool
24463c9b4166SPaul Burton	select MIPS_CPC
24479f98f3ddSPaul Burton
24489c38cf44SPaul Burtonconfig MIPS_CPC
24499c38cf44SPaul Burton	bool
24502600990eSRalf Baechle
24511da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24521da177e4SLinus Torvalds	bool
24531da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
24541da177e4SLinus Torvalds	default y
24551da177e4SLinus Torvalds
24561da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
24571da177e4SLinus Torvalds	bool
24581da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
24591da177e4SLinus Torvalds	default y
24601da177e4SLinus Torvalds
24612235a54dSSanjay Lal
24629e2b5372SMarkos Chandraschoice
24639e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
24649e2b5372SMarkos Chandras
24659e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
24669e2b5372SMarkos Chandras	bool "None"
24679e2b5372SMarkos Chandras	help
24689e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
24699e2b5372SMarkos Chandras
24709693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
24719693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
24729e2b5372SMarkos Chandras	bool "SmartMIPS"
24739693a853SFranck Bui-Huu	help
24749693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
24759693a853SFranck Bui-Huu	  increased security at both hardware and software level for
24769693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
24779693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
24789693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
24799693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
24809693a853SFranck Bui-Huu	  here.
24819693a853SFranck Bui-Huu
2482bce86083SSteven J. Hillconfig CPU_MICROMIPS
24837fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
24849e2b5372SMarkos Chandras	bool "microMIPS"
2485bce86083SSteven J. Hill	help
2486bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2487bce86083SSteven J. Hill	  microMIPS ISA
2488bce86083SSteven J. Hill
24899e2b5372SMarkos Chandrasendchoice
24909e2b5372SMarkos Chandras
2491a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
24920ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2493a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2494c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
24952a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2496a5e9a69eSPaul Burton	help
2497a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2498a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
24991db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25001db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25011db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25021db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25031db1af84SPaul Burton	  the size & complexity of your kernel.
2504a5e9a69eSPaul Burton
2505a5e9a69eSPaul Burton	  If unsure, say Y.
2506a5e9a69eSPaul Burton
25071da177e4SLinus Torvaldsconfig CPU_HAS_WB
2508f7062ddbSRalf Baechle	bool
2509e01402b1SRalf Baechle
2510df0ac8a4SKevin Cernekeeconfig XKS01
2511df0ac8a4SKevin Cernekee	bool
2512df0ac8a4SKevin Cernekee
25138256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
25148256b17eSFlorian Fainelli	bool
25158256b17eSFlorian Fainelli
2516932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR
2517932afdeeSYasha Cherikovsky	bool
2518932afdeeSYasha Cherikovsky	help
2519932afdeeSYasha Cherikovsky	  CPU has support for unaligned load and store instructions:
2520932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
2521932afdeeSYasha Cherikovsky	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2522932afdeeSYasha Cherikovsky
2523f41ae0b2SRalf Baechle#
2524f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2525f41ae0b2SRalf Baechle#
2526e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2527f41ae0b2SRalf Baechle	bool
2528e01402b1SRalf Baechle
2529f41ae0b2SRalf Baechle#
2530f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2531f41ae0b2SRalf Baechle#
2532e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2533f41ae0b2SRalf Baechle	bool
2534e01402b1SRalf Baechle
25351da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25361da177e4SLinus Torvalds	bool
25371da177e4SLinus Torvalds	depends on !CPU_R3000
25381da177e4SLinus Torvalds	default y
25391da177e4SLinus Torvalds
25401da177e4SLinus Torvalds#
254120d60d99SMaciej W. Rozycki# CPU non-features
254220d60d99SMaciej W. Rozycki#
254320d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
254420d60d99SMaciej W. Rozycki	bool
254520d60d99SMaciej W. Rozycki
254620d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
254720d60d99SMaciej W. Rozycki	bool
254820d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
254920d60d99SMaciej W. Rozycki
255020d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
255120d60d99SMaciej W. Rozycki	bool
255220d60d99SMaciej W. Rozycki
25534edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
25544edf00a4SPaul Burton	int
25554edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25564edf00a4SPaul Burton	default 4 if CPU_R8000
25574edf00a4SPaul Burton	default 0
25584edf00a4SPaul Burton
25594edf00a4SPaul Burtonconfig MIPS_ASID_BITS
25604edf00a4SPaul Burton	int
25612db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
25624edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25634edf00a4SPaul Burton	default 8
25644edf00a4SPaul Burton
25652db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
25662db003a5SPaul Burton	bool
25672db003a5SPaul Burton
25684a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
25694a5dc51eSMarcin Nowakowski	bool
25704a5dc51eSMarcin Nowakowski
257120d60d99SMaciej W. Rozycki#
25721da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
25731da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
25741da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
25751da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
25761da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
25771da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
25781da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
25791da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2580797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2581797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2582797798c1SRalf Baechle#   support.
25831da177e4SLinus Torvalds#
25841da177e4SLinus Torvaldsconfig HIGHMEM
25851da177e4SLinus Torvalds	bool "High Memory Support"
2586a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2587797798c1SRalf Baechle
2588797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2589797798c1SRalf Baechle	bool
2590797798c1SRalf Baechle
2591797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2592797798c1SRalf Baechle	bool
25931da177e4SLinus Torvalds
25949693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
25959693a853SFranck Bui-Huu	bool
25969693a853SFranck Bui-Huu
2597a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2598a6a4834cSSteven J. Hill	bool
2599a6a4834cSSteven J. Hill
2600377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2601377cb1b6SRalf Baechle	bool
2602377cb1b6SRalf Baechle	help
2603377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2604377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2605377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2606377cb1b6SRalf Baechle
2607a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2608a5e9a69eSPaul Burton	bool
2609a5e9a69eSPaul Burton
2610b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2611b4819b59SYoichi Yuasa	def_bool y
2612f133f22dSWu Zhangjin	depends on !NUMA && !CPU_LOONGSON2
2613b4819b59SYoichi Yuasa
2614d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE
2615d8cb4e11SRalf Baechle	bool
2616d8cb4e11SRalf Baechle	default y if SGI_IP27
2617d8cb4e11SRalf Baechle	help
26183dde6ad8SDavid Sterba	  Say Y to support efficient handling of discontiguous physical memory,
2619d8cb4e11SRalf Baechle	  for architectures which are either NUMA (Non-Uniform Memory Access)
2620d8cb4e11SRalf Baechle	  or have huge holes in the physical address space for other reasons.
2621ad56b738SMike Rapoport	  See <file:Documentation/vm/numa.rst> for more.
2622d8cb4e11SRalf Baechle
2623b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2624b1c6cd42SAtsushi Nemoto	bool
26257de58fabSAtsushi Nemoto	select SPARSEMEM_STATIC
262631473747SAtsushi Nemoto
2627d8cb4e11SRalf Baechleconfig NUMA
2628d8cb4e11SRalf Baechle	bool "NUMA Support"
2629d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2630d8cb4e11SRalf Baechle	help
2631d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2632d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2633d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2634d8cb4e11SRalf Baechle	  leave it disabled; on single node systems disable this option
2635d8cb4e11SRalf Baechle	  disabled.
2636d8cb4e11SRalf Baechle
2637d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2638d8cb4e11SRalf Baechle	bool
2639d8cb4e11SRalf Baechle
26408c530ea3SMatt Redfearnconfig RELOCATABLE
26418c530ea3SMatt Redfearn	bool "Relocatable kernel"
26423ff72be4SSteven J. Hill	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
26438c530ea3SMatt Redfearn	help
26448c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
26458c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
26468c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
26478c530ea3SMatt Redfearn	  but are discarded at runtime
26488c530ea3SMatt Redfearn
2649069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2650069fd766SMatt Redfearn	hex "Relocation table size"
2651069fd766SMatt Redfearn	depends on RELOCATABLE
2652069fd766SMatt Redfearn	range 0x0 0x01000000
2653069fd766SMatt Redfearn	default "0x00100000"
2654069fd766SMatt Redfearn	---help---
2655069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2656069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2657069fd766SMatt Redfearn
2658069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2659069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2660069fd766SMatt Redfearn
2661069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2662069fd766SMatt Redfearn
2663069fd766SMatt Redfearn	  If unsure, leave at the default value.
2664069fd766SMatt Redfearn
2665405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2666405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2667405bc8fdSMatt Redfearn	depends on RELOCATABLE
2668405bc8fdSMatt Redfearn	---help---
2669405bc8fdSMatt Redfearn	   Randomizes the physical and virtual address at which the
2670405bc8fdSMatt Redfearn	   kernel image is loaded, as a security feature that
2671405bc8fdSMatt Redfearn	   deters exploit attempts relying on knowledge of the location
2672405bc8fdSMatt Redfearn	   of kernel internals.
2673405bc8fdSMatt Redfearn
2674405bc8fdSMatt Redfearn	   Entropy is generated using any coprocessor 0 registers available.
2675405bc8fdSMatt Redfearn
2676405bc8fdSMatt Redfearn	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2677405bc8fdSMatt Redfearn
2678405bc8fdSMatt Redfearn	   If unsure, say N.
2679405bc8fdSMatt Redfearn
2680405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2681405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2682405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2683405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2684405bc8fdSMatt Redfearn	range 0x0 0x08000000
2685405bc8fdSMatt Redfearn	default "0x01000000"
2686405bc8fdSMatt Redfearn	---help---
2687405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2688405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2689405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2690405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2691405bc8fdSMatt Redfearn
2692405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2693405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2694405bc8fdSMatt Redfearn
2695c80d79d7SYasunori Gotoconfig NODES_SHIFT
2696c80d79d7SYasunori Goto	int
2697c80d79d7SYasunori Goto	default "6"
2698c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2699c80d79d7SYasunori Goto
270014f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
270114f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
270223021b2bSYang Shi	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
270314f70012SDeng-Cheng Zhu	default y
270414f70012SDeng-Cheng Zhu	help
270514f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
270614f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
270714f70012SDeng-Cheng Zhu
27081da177e4SLinus Torvaldsconfig SMP
27091da177e4SLinus Torvalds	bool "Multi-Processing support"
2710e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2711e73ea273SRalf Baechle	help
27121da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27134a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27144a474157SRobert Graffham	  than one CPU, say Y.
27151da177e4SLinus Torvalds
27164a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27171da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27181da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27194a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27201da177e4SLinus Torvalds	  will run faster if you say N here.
27211da177e4SLinus Torvalds
27221da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27231da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27241da177e4SLinus Torvalds
272503502faaSAdrian Bunk	  See also the SMP-HOWTO available at
272603502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
27271da177e4SLinus Torvalds
27281da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27291da177e4SLinus Torvalds
27307840d618SMatt Redfearnconfig HOTPLUG_CPU
27317840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27327840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27337840d618SMatt Redfearn	help
27347840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
27357840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
27367840d618SMatt Redfearn	  (Note: power management support will enable this option
27377840d618SMatt Redfearn	    automatically on SMP systems. )
27387840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
27397840d618SMatt Redfearn
274087353d8aSRalf Baechleconfig SMP_UP
274187353d8aSRalf Baechle	bool
274287353d8aSRalf Baechle
27434a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
27444a16ff4cSRalf Baechle	bool
27454a16ff4cSRalf Baechle
27460ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
27470ee958e1SPaul Burton	bool
27480ee958e1SPaul Burton
2749e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2750e73ea273SRalf Baechle	bool
2751e73ea273SRalf Baechle
2752130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2753130e2fb7SRalf Baechle	bool
2754130e2fb7SRalf Baechle
2755130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2756130e2fb7SRalf Baechle	bool
2757130e2fb7SRalf Baechle
2758130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2759130e2fb7SRalf Baechle	bool
2760130e2fb7SRalf Baechle
2761130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2762130e2fb7SRalf Baechle	bool
2763130e2fb7SRalf Baechle
2764130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2765130e2fb7SRalf Baechle	bool
2766130e2fb7SRalf Baechle
27671da177e4SLinus Torvaldsconfig NR_CPUS
2768a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2769a91796a9SJayachandran C	range 2 256
27701da177e4SLinus Torvalds	depends on SMP
2771130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2772130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2773130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2774130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2775130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
27761da177e4SLinus Torvalds	help
27771da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
27781da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
27791da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
278072ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
278172ede9b1SAtsushi Nemoto	  and 2 for all others.
27821da177e4SLinus Torvalds
27831da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
278472ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
278572ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
278672ede9b1SAtsushi Nemoto	  power of two.
27871da177e4SLinus Torvalds
2788399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2789399aaa25SAl Cooper	bool
2790399aaa25SAl Cooper
27917820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
27927820b84bSDavid Daney	bool
27937820b84bSDavid Daney
27947820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
27957820b84bSDavid Daney	int
27967820b84bSDavid Daney	depends on SMP
27977820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
27987820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
27997820b84bSDavid Daney
28001723b4a3SAtsushi Nemoto#
28011723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28021723b4a3SAtsushi Nemoto#
28031723b4a3SAtsushi Nemoto
28041723b4a3SAtsushi Nemotochoice
28051723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28061723b4a3SAtsushi Nemoto	default HZ_250
28071723b4a3SAtsushi Nemoto	help
28081723b4a3SAtsushi Nemoto	 Allows the configuration of the timer frequency.
28091723b4a3SAtsushi Nemoto
281067596573SPaul Burton	config HZ_24
281167596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
281267596573SPaul Burton
28131723b4a3SAtsushi Nemoto	config HZ_48
28140f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28151723b4a3SAtsushi Nemoto
28161723b4a3SAtsushi Nemoto	config HZ_100
28171723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28181723b4a3SAtsushi Nemoto
28191723b4a3SAtsushi Nemoto	config HZ_128
28201723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28211723b4a3SAtsushi Nemoto
28221723b4a3SAtsushi Nemoto	config HZ_250
28231723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28241723b4a3SAtsushi Nemoto
28251723b4a3SAtsushi Nemoto	config HZ_256
28261723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28271723b4a3SAtsushi Nemoto
28281723b4a3SAtsushi Nemoto	config HZ_1000
28291723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28301723b4a3SAtsushi Nemoto
28311723b4a3SAtsushi Nemoto	config HZ_1024
28321723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28331723b4a3SAtsushi Nemoto
28341723b4a3SAtsushi Nemotoendchoice
28351723b4a3SAtsushi Nemoto
283667596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
283767596573SPaul Burton	bool
283867596573SPaul Burton
28391723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
28401723b4a3SAtsushi Nemoto	bool
28411723b4a3SAtsushi Nemoto
28421723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
28431723b4a3SAtsushi Nemoto	bool
28441723b4a3SAtsushi Nemoto
28451723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
28461723b4a3SAtsushi Nemoto	bool
28471723b4a3SAtsushi Nemoto
28481723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
28491723b4a3SAtsushi Nemoto	bool
28501723b4a3SAtsushi Nemoto
28511723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
28521723b4a3SAtsushi Nemoto	bool
28531723b4a3SAtsushi Nemoto
28541723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
28551723b4a3SAtsushi Nemoto	bool
28561723b4a3SAtsushi Nemoto
28571723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
28581723b4a3SAtsushi Nemoto	bool
28591723b4a3SAtsushi Nemoto
28601723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
28611723b4a3SAtsushi Nemoto	bool
286267596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
286367596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
286467596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
286567596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
286667596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
286767596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
286867596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
28691723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
28701723b4a3SAtsushi Nemoto
28711723b4a3SAtsushi Nemotoconfig HZ
28721723b4a3SAtsushi Nemoto	int
287367596573SPaul Burton	default 24 if HZ_24
28741723b4a3SAtsushi Nemoto	default 48 if HZ_48
28751723b4a3SAtsushi Nemoto	default 100 if HZ_100
28761723b4a3SAtsushi Nemoto	default 128 if HZ_128
28771723b4a3SAtsushi Nemoto	default 250 if HZ_250
28781723b4a3SAtsushi Nemoto	default 256 if HZ_256
28791723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
28801723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
28811723b4a3SAtsushi Nemoto
288296685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
288396685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
288496685b17SDeng-Cheng Zhu
2885ea6e942bSAtsushi Nemotoconfig KEXEC
28867d60717eSKees Cook	bool "Kexec system call"
28872965faa5SDave Young	select KEXEC_CORE
2888ea6e942bSAtsushi Nemoto	help
2889ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2890ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
28913dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2892ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2893ea6e942bSAtsushi Nemoto
289401dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2895ea6e942bSAtsushi Nemoto
2896ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2897ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2898bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2899bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2900bf220695SGeert Uytterhoeven	  made.
2901ea6e942bSAtsushi Nemoto
29027aa1c8f4SRalf Baechleconfig CRASH_DUMP
29037aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29047aa1c8f4SRalf Baechle	help
29057aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29067aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29077aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29087aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29097aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29107aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29117aa1c8f4SRalf Baechle	  PHYSICAL_START.
29127aa1c8f4SRalf Baechle
29137aa1c8f4SRalf Baechleconfig PHYSICAL_START
29147aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29158bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29167aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29177aa1c8f4SRalf Baechle	help
29187aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29197aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29207aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29217aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29227aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29237aa1c8f4SRalf Baechle
2924ea6e942bSAtsushi Nemotoconfig SECCOMP
2925ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
2926293c5bd1SRalf Baechle	depends on PROC_FS
2927ea6e942bSAtsushi Nemoto	default y
2928ea6e942bSAtsushi Nemoto	help
2929ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
2930ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
2931ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
2932ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
2933ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
2934ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
2935ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2936ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
2937ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
2938ea6e942bSAtsushi Nemoto
2939ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
2940ea6e942bSAtsushi Nemoto
2941597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
2942b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2943597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2944597ce172SPaul Burton	help
2945597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2946597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2947597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2948597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2949597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2950597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2951597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
2952597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
2953597ce172SPaul Burton	  saying N here.
2954597ce172SPaul Burton
295506e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
295606e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
295706e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
295806e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
295906e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
296006e2e882SPaul Burton	  said details.
296106e2e882SPaul Burton
296206e2e882SPaul Burton	  If unsure, say N.
2963597ce172SPaul Burton
2964f2ffa5abSDezhong Diaoconfig USE_OF
29650b3e06fdSJonas Gorski	bool
2966f2ffa5abSDezhong Diao	select OF
2967e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
2968abd2363fSGrant Likely	select IRQ_DOMAIN
2969f2ffa5abSDezhong Diao
29702fe8ea39SDengcheng Zhuconfig UHI_BOOT
29712fe8ea39SDengcheng Zhu	bool
29722fe8ea39SDengcheng Zhu
29737fafb068SAndrew Brestickerconfig BUILTIN_DTB
29747fafb068SAndrew Bresticker	bool
29757fafb068SAndrew Bresticker
29761da8f179SJonas Gorskichoice
29775b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
29781da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
29791da8f179SJonas Gorski
29801da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
29811da8f179SJonas Gorski		bool "None"
29821da8f179SJonas Gorski		help
29831da8f179SJonas Gorski		  Do not enable appended dtb support.
29841da8f179SJonas Gorski
298587db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
298687db537dSAaro Koskinen		bool "vmlinux"
298787db537dSAaro Koskinen		help
298887db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
298987db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
299087db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
299187db537dSAaro Koskinen		  objcopy:
299287db537dSAaro Koskinen
299387db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
299487db537dSAaro Koskinen
299587db537dSAaro Koskinen		  This is meant as a backward compatiblity convenience for those
299687db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
299787db537dSAaro Koskinen		  the documented boot protocol using a device tree.
299887db537dSAaro Koskinen
29991da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3000b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30011da8f179SJonas Gorski		help
30021da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3003b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30041da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30051da8f179SJonas Gorski
30061da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30071da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30081da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30091da8f179SJonas Gorski
30101da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30111da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30121da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30131da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30141da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30151da8f179SJonas Gorskiendchoice
30161da8f179SJonas Gorski
30172024972eSJonas Gorskichoice
30182024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30192bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
30203f5f0a44SPaul Burton					 !MIPS_MALTA && \
30212bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30222024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30232024972eSJonas Gorski
30242024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30252024972eSJonas Gorski		depends on USE_OF
30262024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30272024972eSJonas Gorski
30282024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30292024972eSJonas Gorski		depends on USE_OF
30302024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30312024972eSJonas Gorski
30322024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30332024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3034ed47e153SRabin Vincent
3035ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3036ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3037ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
30382024972eSJonas Gorskiendchoice
30392024972eSJonas Gorski
30405e83d430SRalf Baechleendmenu
30415e83d430SRalf Baechle
30421df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
30431df0f0ffSAtsushi Nemoto	bool
30441df0f0ffSAtsushi Nemoto	default y
30451df0f0ffSAtsushi Nemoto
30461df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
30471df0f0ffSAtsushi Nemoto	bool
30481df0f0ffSAtsushi Nemoto	default y
30491df0f0ffSAtsushi Nemoto
3050e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT
3051e1e16115SAaro Koskinen	bool
3052e1e16115SAaro Koskinen	default y
3053e1e16115SAaro Koskinen
3054a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3055a728ab52SKirill A. Shutemov	int
30563377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3057a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3058a728ab52SKirill A. Shutemov	default 2
3059a728ab52SKirill A. Shutemov
30606c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
30616c359eb1SPaul Burton	bool
30626c359eb1SPaul Burton
30631da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
30641da177e4SLinus Torvalds
30655e83d430SRalf Baechleconfig HW_HAS_EISA
30665e83d430SRalf Baechle	bool
30671da177e4SLinus Torvaldsconfig HW_HAS_PCI
30681da177e4SLinus Torvalds	bool
30691da177e4SLinus Torvalds
30701da177e4SLinus Torvaldsconfig PCI
30711da177e4SLinus Torvalds	bool "Support for PCI controller"
30721da177e4SLinus Torvalds	depends on HW_HAS_PCI
3073abb4ae46SRalf Baechle	select PCI_DOMAINS
30741da177e4SLinus Torvalds	help
30751da177e4SLinus Torvalds	  Find out whether you have a PCI motherboard. PCI is the name of a
30761da177e4SLinus Torvalds	  bus system, i.e. the way the CPU talks to the other stuff inside
30771da177e4SLinus Torvalds	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
30781da177e4SLinus Torvalds	  say Y, otherwise N.
30791da177e4SLinus Torvalds
30800e476d91SHuacai Chenconfig HT_PCI
30810e476d91SHuacai Chen	bool "Support for HT-linked PCI"
30820e476d91SHuacai Chen	default y
30830e476d91SHuacai Chen	depends on CPU_LOONGSON3
30840e476d91SHuacai Chen	select PCI
30850e476d91SHuacai Chen	select PCI_DOMAINS
30860e476d91SHuacai Chen	help
30870e476d91SHuacai Chen	  Loongson family machines use Hyper-Transport bus for inter-core
30880e476d91SHuacai Chen	  connection and device connection. The PCI bus is a subordinate
30890e476d91SHuacai Chen	  linked at HT. Choose Y for Loongson-3 based machines.
30900e476d91SHuacai Chen
30911da177e4SLinus Torvaldsconfig PCI_DOMAINS
30921da177e4SLinus Torvalds	bool
30931da177e4SLinus Torvalds
309488555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC
309588555b48SPaul Burton	bool
309688555b48SPaul Burton
3097c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
309887dd9a4dSPaul Burton	select PCI_DOMAINS_GENERIC if PCI_DOMAINS
3099c5611df9SPaul Burton	bool
3100c5611df9SPaul Burton
3101c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3102c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3103c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
3104c5611df9SPaul Burton
31051da177e4SLinus Torvaldssource "drivers/pci/Kconfig"
31061da177e4SLinus Torvalds
31071da177e4SLinus Torvalds#
31081da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
31091da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
31101da177e4SLinus Torvalds# users to choose the right thing ...
31111da177e4SLinus Torvalds#
31121da177e4SLinus Torvaldsconfig ISA
31131da177e4SLinus Torvalds	bool
31141da177e4SLinus Torvalds
31151da177e4SLinus Torvaldsconfig EISA
31161da177e4SLinus Torvalds	bool "EISA support"
31175e83d430SRalf Baechle	depends on HW_HAS_EISA
31181da177e4SLinus Torvalds	select ISA
3119aa414dffSRalf Baechle	select GENERIC_ISA_DMA
31201da177e4SLinus Torvalds	---help---
31211da177e4SLinus Torvalds	  The Extended Industry Standard Architecture (EISA) bus was
31221da177e4SLinus Torvalds	  developed as an open alternative to the IBM MicroChannel bus.
31231da177e4SLinus Torvalds
31241da177e4SLinus Torvalds	  The EISA bus provided some of the features of the IBM MicroChannel
31251da177e4SLinus Torvalds	  bus while maintaining backward compatibility with cards made for
31261da177e4SLinus Torvalds	  the older ISA bus.  The EISA bus saw limited use between 1988 and
31271da177e4SLinus Torvalds	  1995 when it was made obsolete by the PCI bus.
31281da177e4SLinus Torvalds
31291da177e4SLinus Torvalds	  Say Y here if you are building a kernel for an EISA-based machine.
31301da177e4SLinus Torvalds
31311da177e4SLinus Torvalds	  Otherwise, say N.
31321da177e4SLinus Torvalds
31331da177e4SLinus Torvaldssource "drivers/eisa/Kconfig"
31341da177e4SLinus Torvalds
31351da177e4SLinus Torvaldsconfig TC
31361da177e4SLinus Torvalds	bool "TURBOchannel support"
31371da177e4SLinus Torvalds	depends on MACH_DECSTATION
31381da177e4SLinus Torvalds	help
313950a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
314050a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
314150a23e6eSJustin P. Mattock	  at:
314250a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
314350a23e6eSJustin P. Mattock	  and:
314450a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
314550a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
314650a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31471da177e4SLinus Torvalds
31481da177e4SLinus Torvaldsconfig MMU
31491da177e4SLinus Torvalds	bool
31501da177e4SLinus Torvalds	default y
31511da177e4SLinus Torvalds
3152109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3153109c32ffSMatt Redfearn	default 12 if 64BIT
3154109c32ffSMatt Redfearn	default 8
3155109c32ffSMatt Redfearn
3156109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3157109c32ffSMatt Redfearn	default 18 if 64BIT
3158109c32ffSMatt Redfearn	default 15
3159109c32ffSMatt Redfearn
3160109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3161109c32ffSMatt Redfearn       default 8
3162109c32ffSMatt Redfearn
3163109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3164109c32ffSMatt Redfearn       default 15
3165109c32ffSMatt Redfearn
3166d865bea4SRalf Baechleconfig I8253
3167d865bea4SRalf Baechle	bool
3168798778b8SRussell King	select CLKSRC_I8253
31692d02612fSThomas Gleixner	select CLKEVT_I8253
31709726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3171d865bea4SRalf Baechle
3172e05eb3f8SRalf Baechleconfig ZONE_DMA
3173e05eb3f8SRalf Baechle	bool
3174e05eb3f8SRalf Baechle
3175cce335aeSRalf Baechleconfig ZONE_DMA32
3176cce335aeSRalf Baechle	bool
3177cce335aeSRalf Baechle
31781da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig"
31791da177e4SLinus Torvalds
3180fc5d9888SAlexander Sverdlinconfig HAS_RAPIDIO
3181fc5d9888SAlexander Sverdlin	bool
3182fc5d9888SAlexander Sverdlin	default n
3183fc5d9888SAlexander Sverdlin
3184388b78adSAlexandre Bounineconfig RAPIDIO
318556abde72SAlexandre Bounine	tristate "RapidIO support"
3186fc5d9888SAlexander Sverdlin	depends on HAS_RAPIDIO || PCI
3187388b78adSAlexandre Bounine	help
3188388b78adSAlexandre Bounine	  If you say Y here, the kernel will include drivers and
3189388b78adSAlexandre Bounine	  infrastructure code to support RapidIO interconnect devices.
3190388b78adSAlexandre Bounine
3191388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig"
3192388b78adSAlexandre Bounine
31931da177e4SLinus Torvaldsendmenu
31941da177e4SLinus Torvalds
31951da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31961da177e4SLinus Torvalds	bool
31971da177e4SLinus Torvalds
31981da177e4SLinus Torvaldsconfig MIPS32_COMPAT
319978aaf956SRalf Baechle	bool
32001da177e4SLinus Torvalds
32011da177e4SLinus Torvaldsconfig COMPAT
32021da177e4SLinus Torvalds	bool
32031da177e4SLinus Torvalds
320405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
320505e43966SAtsushi Nemoto	bool
320605e43966SAtsushi Nemoto
32071da177e4SLinus Torvaldsconfig MIPS32_O32
32081da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
320978aaf956SRalf Baechle	depends on 64BIT
321078aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
321178aaf956SRalf Baechle	select COMPAT
321278aaf956SRalf Baechle	select MIPS32_COMPAT
321378aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
32141da177e4SLinus Torvalds	help
32151da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
32161da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
32171da177e4SLinus Torvalds	  existing binaries are in this format.
32181da177e4SLinus Torvalds
32191da177e4SLinus Torvalds	  If unsure, say Y.
32201da177e4SLinus Torvalds
32211da177e4SLinus Torvaldsconfig MIPS32_N32
32221da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3223c22eacfeSRalf Baechle	depends on 64BIT
322478aaf956SRalf Baechle	select COMPAT
322578aaf956SRalf Baechle	select MIPS32_COMPAT
322678aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
32271da177e4SLinus Torvalds	help
32281da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
32291da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
32301da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
32311da177e4SLinus Torvalds	  cases.
32321da177e4SLinus Torvalds
32331da177e4SLinus Torvalds	  If unsure, say N.
32341da177e4SLinus Torvalds
32351da177e4SLinus Torvaldsconfig BINFMT_ELF32
32361da177e4SLinus Torvalds	bool
32371da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
3238f43edca7SRalf Baechle	select ELFCORE
32391da177e4SLinus Torvalds
32402116245eSRalf Baechlemenu "Power management options"
3241952fa954SRodolfo Giometti
3242363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3243363c55caSWu Zhangjin	def_bool y
32443f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3245363c55caSWu Zhangjin
3246f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3247f4cb5700SJohannes Berg	def_bool y
32483f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3249f4cb5700SJohannes Berg
32502116245eSRalf Baechlesource "kernel/power/Kconfig"
3251952fa954SRodolfo Giometti
32521da177e4SLinus Torvaldsendmenu
32531da177e4SLinus Torvalds
32547a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32557a998935SViresh Kumar	bool
32567a998935SViresh Kumar
32577a998935SViresh Kumarmenu "CPU Power Management"
3258c095ebafSPaul Burton
3259c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32607a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32617a998935SViresh Kumarendif
32629726b43aSWu Zhangjin
3263c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3264c095ebafSPaul Burton
3265c095ebafSPaul Burtonendmenu
3266c095ebafSPaul Burton
326798cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
326898cdee0eSRalf Baechle
32692235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3270