xref: /linux/arch/mips/Kconfig (revision 7e280f6b0549f3c3e9e94206954d49f87c2048d0)
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
101e35918aSHassan Naveed	select ARCH_HAS_UBSAN_SANITIZE_ALL
1112597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
121ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
1312597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
1425da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
150b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
1612597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
1712597988SMatt Redfearn	select BUILDTIME_EXTABLE_SORT
1812597988SMatt Redfearn	select CLONE_BACKWARDS
1957eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
2012597988SMatt Redfearn	select CPU_PM if CPU_IDLE
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
286630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
29740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
30740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
31740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
32740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
33740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
3412597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
3512597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
3612597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
3712597988SMatt Redfearn	select HANDLE_DOMAIN_IRQ
38906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
3912597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
4088547001SJason Wessel	select HAVE_ARCH_KGDB
41109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
42109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
43490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
44c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
4512597988SMatt Redfearn	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
46f381bf6dSDavid Daney	select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
47f381bf6dSDavid Daney	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
4812597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
4912597988SMatt Redfearn	select HAVE_COPY_THREAD_TLS
5064575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
5112597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
5212597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
5312597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
5412597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
5512597988SMatt Redfearn	select HAVE_EXIT_THREAD
5612597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
5729c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
5812597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
5912597988SMatt Redfearn	select HAVE_GENERIC_DMA_COHERENT
6012597988SMatt Redfearn	select HAVE_IDE
61b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
6212597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
6312597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
64c1bf207dSDavid Daney	select HAVE_KPROBES
65c1bf207dSDavid Daney	select HAVE_KRETPROBES
66c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
679d15ffc8STejun Heo	select HAVE_MEMBLOCK_NODE_MAP
68786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
6942a0bb3fSPetr Mladek	select HAVE_NMI
7012597988SMatt Redfearn	select HAVE_OPROFILE
7112597988SMatt Redfearn	select HAVE_PERF_EVENTS
7208bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
739ea141adSPaul Burton	select HAVE_RSEQ
74d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
7512597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
76a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
7712597988SMatt Redfearn	select IRQ_FORCED_THREADING
786630a8e5SChristoph Hellwig	select ISA if EISA
7912597988SMatt Redfearn	select MODULES_USE_ELF_RELA if MODULES && 64BIT
8012597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
8112597988SMatt Redfearn	select PERF_USE_VMALLOC
8205a0a344SArnd Bergmann	select RTC_LIB
8312597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
8412597988SMatt Redfearn	select VIRT_TO_BUS
851da177e4SLinus Torvalds
861da177e4SLinus Torvaldsmenu "Machine selection"
871da177e4SLinus Torvalds
885e83d430SRalf Baechlechoice
895e83d430SRalf Baechle	prompt "System type"
90d41e6858SMatt Redfearn	default MIPS_GENERIC
911da177e4SLinus Torvalds
92eed0eabdSPaul Burtonconfig MIPS_GENERIC
93eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
94eed0eabdSPaul Burton	select BOOT_RAW
95eed0eabdSPaul Burton	select BUILTIN_DTB
96eed0eabdSPaul Burton	select CEVT_R4K
97eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
98eed0eabdSPaul Burton	select COMMON_CLK
99eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_VI
100eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
101eed0eabdSPaul Burton	select CSRC_R4K
102eed0eabdSPaul Burton	select DMA_PERDEV_COHERENT
103eb01d42aSChristoph Hellwig	select HAVE_PCI
104eed0eabdSPaul Burton	select IRQ_MIPS_CPU
105eed0eabdSPaul Burton	select LIBFDT
1060211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
107eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
108eed0eabdSPaul Burton	select MIPS_GIC
109eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
110eed0eabdSPaul Burton	select NO_EXCEPT_FILL
111eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
112eed0eabdSPaul Burton	select PINCTRL
113eed0eabdSPaul Burton	select SMP_UP if SMP
114a3078e59SMatt Redfearn	select SWAP_IO_SPACE
115eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
116eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
117eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
118eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
119eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
120eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
121eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
122eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
123eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
124eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
125eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
126eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
127eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS_CPS
128eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
129eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
130eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
131eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
1322e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1332e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1342e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1352e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1362e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1372e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
138eed0eabdSPaul Burton	select USE_OF
1392fe8ea39SDengcheng Zhu	select UHI_BOOT
140eed0eabdSPaul Burton	help
141eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
142eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
143eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
144eed0eabdSPaul Burton	  Interface) specification.
145eed0eabdSPaul Burton
14642a4f17dSManuel Laussconfig MIPS_ALCHEMY
147c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
148d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
149f772cdb2SRalf Baechle	select CEVT_R4K
150d7ea335cSSteven J. Hill	select CSRC_R4K
15167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
15288e9a93cSManuel Lauss	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
15342a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
15442a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
15542a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
156d30a2b47SLinus Walleij	select GPIOLIB
1571b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
15847440229SManuel Lauss	select COMMON_CLK
1591da177e4SLinus Torvalds
1607ca5dc14SFlorian Fainelliconfig AR7
1617ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
1627ca5dc14SFlorian Fainelli	select BOOT_ELF32
1637ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
1647ca5dc14SFlorian Fainelli	select CEVT_R4K
1657ca5dc14SFlorian Fainelli	select CSRC_R4K
16667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1677ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
1687ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
1697ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
1707ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
1717ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
1727ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
173377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1741b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
175d30a2b47SLinus Walleij	select GPIOLIB
1767ca5dc14SFlorian Fainelli	select VLYNQ
1778551fb64SYoichi Yuasa	select HAVE_CLK
1787ca5dc14SFlorian Fainelli	help
1797ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
1807ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
1817ca5dc14SFlorian Fainelli
18243cc739fSSergey Ryazanovconfig ATH25
18343cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
18443cc739fSSergey Ryazanov	select CEVT_R4K
18543cc739fSSergey Ryazanov	select CSRC_R4K
18643cc739fSSergey Ryazanov	select DMA_NONCOHERENT
18767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1881753e74eSSergey Ryazanov	select IRQ_DOMAIN
18943cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
19043cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
19143cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
1928aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
19343cc739fSSergey Ryazanov	help
19443cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
19543cc739fSSergey Ryazanov
196d4a67d9dSGabor Juhosconfig ATH79
197d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
198ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
199d4a67d9dSGabor Juhos	select BOOT_RAW
200d4a67d9dSGabor Juhos	select CEVT_R4K
201d4a67d9dSGabor Juhos	select CSRC_R4K
202d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
203d30a2b47SLinus Walleij	select GPIOLIB
204a08227a2SJohn Crispin	select PINCTRL
20594638067SGabor Juhos	select HAVE_CLK
206411520afSAlban Bedel	select COMMON_CLK
2072c4f1ac5SGabor Juhos	select CLKDEV_LOOKUP
20867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
209d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
210d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
211d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
212d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
213377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
214b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
21503c8c407SAlban Bedel	select USE_OF
21653d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
217d4a67d9dSGabor Juhos	help
218d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
219d4a67d9dSGabor Juhos
2205f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2215f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
222d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
223d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
224d666cd02SKevin Cernekee	select BOOT_RAW
225d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
226d666cd02SKevin Cernekee	select USE_OF
227d666cd02SKevin Cernekee	select CEVT_R4K
228d666cd02SKevin Cernekee	select CSRC_R4K
229d666cd02SKevin Cernekee	select SYNC_R4K
230d666cd02SKevin Cernekee	select COMMON_CLK
231c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
23260b858f2SKevin Cernekee	select BCM7038_L1_IRQ
23360b858f2SKevin Cernekee	select BCM7120_L2_IRQ
23460b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
23567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
23660b858f2SKevin Cernekee	select DMA_NONCOHERENT
237d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
23860b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
239d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
240d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
24160b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
24260b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
24360b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
244d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
245d666cd02SKevin Cernekee	select SWAP_IO_SPACE
24660b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
24760b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
24860b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
24960b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2504dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
251d666cd02SKevin Cernekee	help
2525f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2535f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2545f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2555f2d4459SKevin Cernekee	  must be set appropriately for your board.
256d666cd02SKevin Cernekee
2571c0c13ebSAurelien Jarnoconfig BCM47XX
258c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
259fe08f8c2SHauke Mehrtens	select BOOT_RAW
26042f77542SRalf Baechle	select CEVT_R4K
261940f6b48SRalf Baechle	select CSRC_R4K
2621c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
263eb01d42aSChristoph Hellwig	select HAVE_PCI
26467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
265314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
266dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
2671c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
2681c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
269377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2706507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
27125e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
272e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
273c949c0bcSRafał Miłecki	select GPIOLIB
274c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
275f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
2762ab71a02SRafał Miłecki	select BCM47XX_SPROM
277dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
2781c0c13ebSAurelien Jarno	help
2791c0c13ebSAurelien Jarno	 Support for BCM47XX based boards
2801c0c13ebSAurelien Jarno
281e7300d04SMaxime Bizonconfig BCM63XX
282e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
283ae8de61cSFlorian Fainelli	select BOOT_RAW
284e7300d04SMaxime Bizon	select CEVT_R4K
285e7300d04SMaxime Bizon	select CSRC_R4K
286fc264022SJonas Gorski	select SYNC_R4K
287e7300d04SMaxime Bizon	select DMA_NONCOHERENT
28867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
289e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
290e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
291e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
292e7300d04SMaxime Bizon	select SWAP_IO_SPACE
293d30a2b47SLinus Walleij	select GPIOLIB
2943e82eeebSYoichi Yuasa	select HAVE_CLK
295af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
296c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
297e7300d04SMaxime Bizon	help
298e7300d04SMaxime Bizon	 Support for BCM63XX based boards
299e7300d04SMaxime Bizon
3001da177e4SLinus Torvaldsconfig MIPS_COBALT
3013fa986faSMartin Michlmayr	bool "Cobalt Server"
30242f77542SRalf Baechle	select CEVT_R4K
303940f6b48SRalf Baechle	select CSRC_R4K
3041097c6acSYoichi Yuasa	select CEVT_GT641XX
3051da177e4SLinus Torvalds	select DMA_NONCOHERENT
306eb01d42aSChristoph Hellwig	select FORCE_PCI
307d865bea4SRalf Baechle	select I8253
3081da177e4SLinus Torvalds	select I8259
30967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
310d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
311252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3127cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3130a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
314ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3150e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3165e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
317e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3181da177e4SLinus Torvalds
3191da177e4SLinus Torvaldsconfig MACH_DECSTATION
3203fa986faSMartin Michlmayr	bool "DECstations"
3211da177e4SLinus Torvalds	select BOOT_ELF32
3226457d9fcSYoichi Yuasa	select CEVT_DS1287
32381d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3244247417dSYoichi Yuasa	select CSRC_IOASIC
32581d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
32620d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
32720d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
32820d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3291da177e4SLinus Torvalds	select DMA_NONCOHERENT
330ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
33167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3327cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3337cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
334ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3357d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3365e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3371723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3381723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3391723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
340930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3415e83d430SRalf Baechle	help
3421da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3431da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3441da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3451da177e4SLinus Torvalds
3461da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3471da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3481da177e4SLinus Torvalds
3491da177e4SLinus Torvalds		DECstation 5000/50
3501da177e4SLinus Torvalds		DECstation 5000/150
3511da177e4SLinus Torvalds		DECstation 5000/260
3521da177e4SLinus Torvalds		DECsystem 5900/260
3531da177e4SLinus Torvalds
3541da177e4SLinus Torvalds	  otherwise choose R3000.
3551da177e4SLinus Torvalds
3565e83d430SRalf Baechleconfig MACH_JAZZ
3573fa986faSMartin Michlmayr	bool "Jazz family of machines"
358a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
3597a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
3600e2794b0SRalf Baechle	select FW_ARC
3610e2794b0SRalf Baechle	select FW_ARC32
3625e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
36342f77542SRalf Baechle	select CEVT_R4K
364940f6b48SRalf Baechle	select CSRC_R4K
365e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
3665e83d430SRalf Baechle	select GENERIC_ISA_DMA
3678a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
36867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
369d865bea4SRalf Baechle	select I8253
3705e83d430SRalf Baechle	select I8259
3715e83d430SRalf Baechle	select ISA
3727cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3735e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3747d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3751723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
3761da177e4SLinus Torvalds	help
3775e83d430SRalf Baechle	 This a family of machines based on the MIPS R4030 chipset which was
3785e83d430SRalf Baechle	 used by several vendors to build RISC/os and Windows NT workstations.
379692105b8SMatt LaPlante	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
3805e83d430SRalf Baechle	 Olivetti M700-10 workstations.
3815e83d430SRalf Baechle
382de361e8bSPaul Burtonconfig MACH_INGENIC
383de361e8bSPaul Burton	bool "Ingenic SoC based machines"
3845ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
3855ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
386f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
3875ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
38867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
38937b4c3caSPaul Cercueil	select PINCTRL
390d30a2b47SLinus Walleij	select GPIOLIB
391ff1930c6SPaul Burton	select COMMON_CLK
39283bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
393ffb1843dSPaul Burton	select BUILTIN_DTB
394ffb1843dSPaul Burton	select USE_OF
3956ec127fbSPaul Burton	select LIBFDT
3965ebabe59SLars-Peter Clausen
397171bb2f1SJohn Crispinconfig LANTIQ
398171bb2f1SJohn Crispin	bool "Lantiq based platforms"
399171bb2f1SJohn Crispin	select DMA_NONCOHERENT
40067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
401171bb2f1SJohn Crispin	select CEVT_R4K
402171bb2f1SJohn Crispin	select CSRC_R4K
403171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
404171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
405171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
406171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
407377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
408171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
409f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
410171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
411d30a2b47SLinus Walleij	select GPIOLIB
412171bb2f1SJohn Crispin	select SWAP_IO_SPACE
413171bb2f1SJohn Crispin	select BOOT_RAW
414287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
415a0392222SJohn Crispin	select USE_OF
4163f8c50c9SJohn Crispin	select PINCTRL
4173f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
418c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
419c530781cSJohn Crispin	select RESET_CONTROLLER
420171bb2f1SJohn Crispin
4211f21d2bdSBrian Murphyconfig LASAT
4221f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
42342f77542SRalf Baechle	select CEVT_R4K
42416f0bbbcSRalf Baechle	select CRC32
425940f6b48SRalf Baechle	select CSRC_R4K
4261f21d2bdSBrian Murphy	select DMA_NONCOHERENT
4271f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
428eb01d42aSChristoph Hellwig	select HAVE_PCI
42967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4301f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
4311f21d2bdSBrian Murphy	select MIPS_NILE4
4321f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
4331f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
4341f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
4351f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
4361f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
4371f21d2bdSBrian Murphy
43830ad29bbSHuacai Chenconfig MACH_LOONGSON32
43930ad29bbSHuacai Chen	bool "Loongson-1 family of machines"
440c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
441ade299d8SYoichi Yuasa	help
44230ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
44385749d24SWu Zhangjin
44430ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
44530ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
44630ad29bbSHuacai Chen	  Sciences (CAS).
447ade299d8SYoichi Yuasa
44830ad29bbSHuacai Chenconfig MACH_LOONGSON64
44930ad29bbSHuacai Chen	bool "Loongson-2/3 family of machines"
450ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
451ca585cf9SKelvin Cheung	help
45230ad29bbSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
453ca585cf9SKelvin Cheung
45430ad29bbSHuacai Chen	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
45530ad29bbSHuacai Chen	  family of multi-core CPUs. They are both 64-bit general-purpose
45630ad29bbSHuacai Chen	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
45730ad29bbSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
45830ad29bbSHuacai Chen	  in the People's Republic of China. The chief architect is Professor
45930ad29bbSHuacai Chen	  Weiwu Hu.
460ca585cf9SKelvin Cheung
4616a438309SAndrew Brestickerconfig MACH_PISTACHIO
4626a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
4636a438309SAndrew Bresticker	select BOOT_ELF32
4646a438309SAndrew Bresticker	select BOOT_RAW
4656a438309SAndrew Bresticker	select CEVT_R4K
4666a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
4676a438309SAndrew Bresticker	select COMMON_CLK
4686a438309SAndrew Bresticker	select CSRC_R4K
469645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
470d30a2b47SLinus Walleij	select GPIOLIB
47167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4726a438309SAndrew Bresticker	select LIBFDT
4736a438309SAndrew Bresticker	select MFD_SYSCON
4746a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
4756a438309SAndrew Bresticker	select MIPS_GIC
4766a438309SAndrew Bresticker	select PINCTRL
4776a438309SAndrew Bresticker	select REGULATOR
4786a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
4796a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
4806a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
4816a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
4826a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
48341cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
4846a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
485018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
486018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
4876a438309SAndrew Bresticker	select USE_OF
4886a438309SAndrew Bresticker	help
4896a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
4906a438309SAndrew Bresticker
4911da177e4SLinus Torvaldsconfig MIPS_MALTA
4923fa986faSMartin Michlmayr	bool "MIPS Malta board"
49361ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
494a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
4957a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
4961da177e4SLinus Torvalds	select BOOT_ELF32
497fa71c960SRalf Baechle	select BOOT_RAW
498e8823d26SPaul Burton	select BUILTIN_DTB
49942f77542SRalf Baechle	select CEVT_R4K
500fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
50142b002abSGuenter Roeck	select COMMON_CLK
50247bf2b03SMaksym Kokhan	select CSRC_R4K
503885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
5041da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5058a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
506eb01d42aSChristoph Hellwig	select HAVE_PCI
507d865bea4SRalf Baechle	select I8253
5081da177e4SLinus Torvalds	select I8259
50947bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
51047bf2b03SMaksym Kokhan	select LIBFDT
5115e83d430SRalf Baechle	select MIPS_BONITO64
5129318c51aSChris Dearman	select MIPS_CPU_SCACHE
51347bf2b03SMaksym Kokhan	select MIPS_GIC
514a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5155e83d430SRalf Baechle	select MIPS_MSC
51647bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
517ecafe3e9SPaul Burton	select SMP_UP if SMP
5181da177e4SLinus Torvalds	select SWAP_IO_SPACE
5197cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5207cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
521bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
522c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
523575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5247cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5255d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
526575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5277cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5287cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
529ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
530ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5315e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
532c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5335e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
534424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
53547bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5360365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
537e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
538f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
53947bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5409693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
541f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5421b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
543e8823d26SPaul Burton	select USE_OF
544abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5451da177e4SLinus Torvalds	help
546f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5471da177e4SLinus Torvalds	  board.
5481da177e4SLinus Torvalds
5492572f00dSJoshua Hendersonconfig MACH_PIC32
5502572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5512572f00dSJoshua Henderson	help
5522572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5532572f00dSJoshua Henderson
5542572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5552572f00dSJoshua Henderson	  microcontrollers.
5562572f00dSJoshua Henderson
557a83860c2SRalf Baechleconfig NEC_MARKEINS
558a83860c2SRalf Baechle	bool "NEC EMMA2RH Mark-eins board"
559a83860c2SRalf Baechle	select SOC_EMMA2RH
560eb01d42aSChristoph Hellwig	select HAVE_PCI
561a83860c2SRalf Baechle	help
562a83860c2SRalf Baechle	  This enables support for the NEC Electronics Mark-eins boards.
563ade299d8SYoichi Yuasa
5645e83d430SRalf Baechleconfig MACH_VR41XX
56574142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
56642f77542SRalf Baechle	select CEVT_R4K
567940f6b48SRalf Baechle	select CSRC_R4K
5687cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
569377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
570d30a2b47SLinus Walleij	select GPIOLIB
5715e83d430SRalf Baechle
572edb6310aSDaniel Lairdconfig NXP_STB220
573edb6310aSDaniel Laird	bool "NXP STB220 board"
574edb6310aSDaniel Laird	select SOC_PNX833X
575edb6310aSDaniel Laird	help
576edb6310aSDaniel Laird	 Support for NXP Semiconductors STB220 Development Board.
577edb6310aSDaniel Laird
578edb6310aSDaniel Lairdconfig NXP_STB225
579edb6310aSDaniel Laird	bool "NXP 225 board"
580edb6310aSDaniel Laird	select SOC_PNX833X
581edb6310aSDaniel Laird	select SOC_PNX8335
582edb6310aSDaniel Laird	help
583edb6310aSDaniel Laird	 Support for NXP Semiconductors STB225 Development Board.
584edb6310aSDaniel Laird
5859267a30dSMarc St-Jeanconfig PMC_MSP
5869267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
58739d30c13SAnoop P A	select CEVT_R4K
58839d30c13SAnoop P A	select CSRC_R4K
5899267a30dSMarc St-Jean	select DMA_NONCOHERENT
5909267a30dSMarc St-Jean	select SWAP_IO_SPACE
5919267a30dSMarc St-Jean	select NO_EXCEPT_FILL
5929267a30dSMarc St-Jean	select BOOT_RAW
5939267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
5949267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
5959267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
5969267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
597377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
59867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5999267a30dSMarc St-Jean	select SERIAL_8250
6009267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
6019296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_MMIO
6029296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_DESC
6039267a30dSMarc St-Jean	help
6049267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
6059267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
6069267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
6079267a30dSMarc St-Jean	  a variety of MIPS cores.
6089267a30dSMarc St-Jean
609ae2b5bb6SJohn Crispinconfig RALINK
610ae2b5bb6SJohn Crispin	bool "Ralink based machines"
611ae2b5bb6SJohn Crispin	select CEVT_R4K
612ae2b5bb6SJohn Crispin	select CSRC_R4K
613ae2b5bb6SJohn Crispin	select BOOT_RAW
614ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
61567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
616ae2b5bb6SJohn Crispin	select USE_OF
617ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
618ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
619ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
620ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
621377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
622ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
623ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6242a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6252a153f1cSJohn Crispin	select RESET_CONTROLLER
626ae2b5bb6SJohn Crispin
6271da177e4SLinus Torvaldsconfig SGI_IP22
6283fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
6290e2794b0SRalf Baechle	select FW_ARC
6300e2794b0SRalf Baechle	select FW_ARC32
6317a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6321da177e4SLinus Torvalds	select BOOT_ELF32
63342f77542SRalf Baechle	select CEVT_R4K
634940f6b48SRalf Baechle	select CSRC_R4K
635e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6361da177e4SLinus Torvalds	select DMA_NONCOHERENT
6376630a8e5SChristoph Hellwig	select HAVE_EISA
638d865bea4SRalf Baechle	select I8253
63968de4803SThomas Bogendoerfer	select I8259
6401da177e4SLinus Torvalds	select IP22_CPU_SCACHE
64167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
642aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
643e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
644e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
64536e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
646e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
647e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
648e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6491da177e4SLinus Torvalds	select SWAP_IO_SPACE
6507cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6517cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
6522b5e63f6SMartin Michlmayr	#
6532b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
6542b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
6552b5e63f6SMartin Michlmayr	#
6562b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
6572b5e63f6SMartin Michlmayr	# for a more details discussion
6582b5e63f6SMartin Michlmayr	#
6592b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
660ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
661ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6625e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
663930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6641da177e4SLinus Torvalds	help
6651da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6661da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6671da177e4SLinus Torvalds	  that runs on these, say Y here.
6681da177e4SLinus Torvalds
6691da177e4SLinus Torvaldsconfig SGI_IP27
6703fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
67154aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
6720e2794b0SRalf Baechle	select FW_ARC
6730e2794b0SRalf Baechle	select FW_ARC64
6745e83d430SRalf Baechle	select BOOT_ELF64
675e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
67636a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
677eb01d42aSChristoph Hellwig	select HAVE_PCI
678130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
6797cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
680ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6815e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
682d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
6831a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
684930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6851da177e4SLinus Torvalds	help
6861da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
6871da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
6881da177e4SLinus Torvalds	  here.
6891da177e4SLinus Torvalds
690e2defae5SThomas Bogendoerferconfig SGI_IP28
6917d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
6920e2794b0SRalf Baechle	select FW_ARC
6930e2794b0SRalf Baechle	select FW_ARC64
6947a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
695e2defae5SThomas Bogendoerfer	select BOOT_ELF64
696e2defae5SThomas Bogendoerfer	select CEVT_R4K
697e2defae5SThomas Bogendoerfer	select CSRC_R4K
698e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
699e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
700e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
70167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7026630a8e5SChristoph Hellwig	select HAVE_EISA
703e2defae5SThomas Bogendoerfer	select I8253
704e2defae5SThomas Bogendoerfer	select I8259
705e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
706e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7075b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
708e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
709e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
710e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
711e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
712e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7132b5e63f6SMartin Michlmayr	#
7142b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
7152b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
7162b5e63f6SMartin Michlmayr	#
7172b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
7182b5e63f6SMartin Michlmayr	# for a more details discussion
7192b5e63f6SMartin Michlmayr	#
7202b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
721e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
722e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
723dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
724e2defae5SThomas Bogendoerfer      help
725e2defae5SThomas Bogendoerfer        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
726e2defae5SThomas Bogendoerfer        kernel that runs on these, say Y here.
727e2defae5SThomas Bogendoerfer
7281da177e4SLinus Torvaldsconfig SGI_IP32
729cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
73003df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7310e2794b0SRalf Baechle	select FW_ARC
7320e2794b0SRalf Baechle	select FW_ARC32
7331da177e4SLinus Torvalds	select BOOT_ELF32
73442f77542SRalf Baechle	select CEVT_R4K
735940f6b48SRalf Baechle	select CSRC_R4K
7361da177e4SLinus Torvalds	select DMA_NONCOHERENT
737eb01d42aSChristoph Hellwig	select HAVE_PCI
73867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7391da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7401da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7417cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7427cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7437cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
744dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
745ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7465e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7471da177e4SLinus Torvalds	help
7481da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
7491da177e4SLinus Torvalds
750ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
751ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
7525e83d430SRalf Baechle	select BOOT_ELF32
7535e83d430SRalf Baechle	select SIBYTE_BCM1120
7545e83d430SRalf Baechle	select SWAP_IO_SPACE
7557cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7565e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7575e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7585e83d430SRalf Baechle
759ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
760ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
7615e83d430SRalf Baechle	select BOOT_ELF32
7625e83d430SRalf Baechle	select SIBYTE_BCM1120
7635e83d430SRalf Baechle	select SWAP_IO_SPACE
7647cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7655e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7665e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7675e83d430SRalf Baechle
7685e83d430SRalf Baechleconfig SIBYTE_CRHONE
7693fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
7705e83d430SRalf Baechle	select BOOT_ELF32
7715e83d430SRalf Baechle	select SIBYTE_BCM1125
7725e83d430SRalf Baechle	select SWAP_IO_SPACE
7737cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7745e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7755e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7765e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7775e83d430SRalf Baechle
778ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
779ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
780ade299d8SYoichi Yuasa	select BOOT_ELF32
781ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
782ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
783ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
784ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
785ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
786ade299d8SYoichi Yuasa
787ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
788ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
789ade299d8SYoichi Yuasa	select BOOT_ELF32
790fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
791ade299d8SYoichi Yuasa	select SIBYTE_SB1250
792ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
793ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
794ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
795ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
796ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
797cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
798e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
799ade299d8SYoichi Yuasa
800ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
801ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
802ade299d8SYoichi Yuasa	select BOOT_ELF32
803fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
804ade299d8SYoichi Yuasa	select SIBYTE_SB1250
805ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
806ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
807ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
808ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
809ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
810756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
811ade299d8SYoichi Yuasa
812ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
813ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
814ade299d8SYoichi Yuasa	select BOOT_ELF32
815ade299d8SYoichi Yuasa	select SIBYTE_SB1250
816ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
817ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
818ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
819ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
820e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
821ade299d8SYoichi Yuasa
822ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
823ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
824ade299d8SYoichi Yuasa	select BOOT_ELF32
825ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
826ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
827ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
828ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
829ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
830651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
831ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
832cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
833e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
834ade299d8SYoichi Yuasa
83514b36af4SThomas Bogendoerferconfig SNI_RM
83614b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
8370e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8380e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
839aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8405e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
841a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8427a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8435e83d430SRalf Baechle	select BOOT_ELF32
84442f77542SRalf Baechle	select CEVT_R4K
845940f6b48SRalf Baechle	select CSRC_R4K
846e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
8475e83d430SRalf Baechle	select DMA_NONCOHERENT
8485e83d430SRalf Baechle	select GENERIC_ISA_DMA
8496630a8e5SChristoph Hellwig	select HAVE_EISA
8508a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
851eb01d42aSChristoph Hellwig	select HAVE_PCI
85267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
853d865bea4SRalf Baechle	select I8253
8545e83d430SRalf Baechle	select I8259
8555e83d430SRalf Baechle	select ISA
8564a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
8577cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
8584a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
859c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
8604a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
86136a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
862ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
8637d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
8644a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
8655e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8665e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8671da177e4SLinus Torvalds	help
86814b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
86914b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
8705e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
8715e83d430SRalf Baechle	  support this machine type.
8721da177e4SLinus Torvalds
873edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
874edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
8755e83d430SRalf Baechle
876edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
877edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
87823fbee9dSRalf Baechle
87973b4390fSRalf Baechleconfig MIKROTIK_RB532
88073b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
88173b4390fSRalf Baechle	select CEVT_R4K
88273b4390fSRalf Baechle	select CSRC_R4K
88373b4390fSRalf Baechle	select DMA_NONCOHERENT
884eb01d42aSChristoph Hellwig	select HAVE_PCI
88567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
88673b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
88773b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
88873b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
88973b4390fSRalf Baechle	select SWAP_IO_SPACE
89073b4390fSRalf Baechle	select BOOT_RAW
891d30a2b47SLinus Walleij	select GPIOLIB
892930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
89373b4390fSRalf Baechle	help
89473b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
89573b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
89673b4390fSRalf Baechle
8979ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
8989ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
899a86c7f72SDavid Daney	select CEVT_R4K
900ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9011753d50cSChristoph Hellwig	select HAVE_RAPIDIO
902d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
903a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
904a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
905f65aad41SRalf Baechle	select EDAC_SUPPORT
906b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
90773569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
90873569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
909a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9105e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
911eb01d42aSChristoph Hellwig	select HAVE_PCI
912f00e001eSDavid Daney	select ZONE_DMA32
913465aaed0SDavid Daney	select HOLES_IN_ZONE
914d30a2b47SLinus Walleij	select GPIOLIB
9156e511163SDavid Daney	select LIBFDT
9166e511163SDavid Daney	select USE_OF
9176e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9186e511163SDavid Daney	select SYS_SUPPORTS_SMP
9197820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9207820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
921e326479fSAndrew Bresticker	select BUILTIN_DTB
9228c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
92309230cbcSChristoph Hellwig	select SWIOTLB
9243ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
925a86c7f72SDavid Daney	help
926a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
927a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
928a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
929a86c7f72SDavid Daney	  Some of the supported boards are:
930a86c7f72SDavid Daney		EBT3000
931a86c7f72SDavid Daney		EBH3000
932a86c7f72SDavid Daney		EBH3100
933a86c7f72SDavid Daney		Thunder
934a86c7f72SDavid Daney		Kodama
935a86c7f72SDavid Daney		Hikari
936a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
937a86c7f72SDavid Daney
9387f058e85SJayachandran Cconfig NLM_XLR_BOARD
9397f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
9407f058e85SJayachandran C	select BOOT_ELF32
9417f058e85SJayachandran C	select NLM_COMMON
9427f058e85SJayachandran C	select SYS_HAS_CPU_XLR
9437f058e85SJayachandran C	select SYS_SUPPORTS_SMP
944eb01d42aSChristoph Hellwig	select HAVE_PCI
9457f058e85SJayachandran C	select SWAP_IO_SPACE
9467f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9477f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
948d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
9497f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9507f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9517f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
9527f058e85SJayachandran C	select CEVT_R4K
9537f058e85SJayachandran C	select CSRC_R4K
95467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
955b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9567f058e85SJayachandran C	select SYNC_R4K
9577f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
9588f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9598f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9607f058e85SJayachandran C	help
9617f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
9627f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
9637f058e85SJayachandran C
9641c773ea4SJayachandran Cconfig NLM_XLP_BOARD
9651c773ea4SJayachandran C	bool "Netlogic XLP based systems"
9661c773ea4SJayachandran C	select BOOT_ELF32
9671c773ea4SJayachandran C	select NLM_COMMON
9681c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
9691c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
970eb01d42aSChristoph Hellwig	select HAVE_PCI
9711c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9721c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
973d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
974d30a2b47SLinus Walleij	select GPIOLIB
9751c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9761c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
9771c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9781c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
9791c773ea4SJayachandran C	select CEVT_R4K
9801c773ea4SJayachandran C	select CSRC_R4K
98167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
982b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9831c773ea4SJayachandran C	select SYNC_R4K
9841c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
9852f6528e1SJayachandran C	select USE_OF
9868f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9878f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9881c773ea4SJayachandran C	help
9891c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
9901c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
9911c773ea4SJayachandran C
9929bc463beSDavid Daneyconfig MIPS_PARAVIRT
9939bc463beSDavid Daney	bool "Para-Virtualized guest system"
9949bc463beSDavid Daney	select CEVT_R4K
9959bc463beSDavid Daney	select CSRC_R4K
9969bc463beSDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
9979bc463beSDavid Daney	select SYS_SUPPORTS_32BIT_KERNEL
9989bc463beSDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
9999bc463beSDavid Daney	select SYS_SUPPORTS_SMP
10009bc463beSDavid Daney	select NR_CPUS_DEFAULT_4
10019bc463beSDavid Daney	select SYS_HAS_EARLY_PRINTK
10029bc463beSDavid Daney	select SYS_HAS_CPU_MIPS32_R2
10039bc463beSDavid Daney	select SYS_HAS_CPU_MIPS64_R2
10049bc463beSDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
1005eb01d42aSChristoph Hellwig	select HAVE_PCI
10069bc463beSDavid Daney	select SWAP_IO_SPACE
10079bc463beSDavid Daney	help
10089bc463beSDavid Daney	  This option supports guest running under ????
10099bc463beSDavid Daney
10101da177e4SLinus Torvaldsendchoice
10111da177e4SLinus Torvalds
1012e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10133b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1014d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1015a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1016e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10178945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1018eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
10195e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10205ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
10218ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10221f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
10232572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1024af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
10250f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig"
1026ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
102729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
102838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
102922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10305e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1031a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
103230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
103330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
10347f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
1035ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig"
103638b18f72SRalf Baechle
10375e83d430SRalf Baechleendmenu
10385e83d430SRalf Baechle
10391da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
10401da177e4SLinus Torvalds	bool
10411da177e4SLinus Torvalds	default y
10421da177e4SLinus Torvalds
10431da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM
10441da177e4SLinus Torvalds	bool
10451da177e4SLinus Torvalds
10463c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10473c9ee7efSAkinobu Mita	bool
10483c9ee7efSAkinobu Mita	default y
10493c9ee7efSAkinobu Mita
10501da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10511da177e4SLinus Torvalds	bool
10521da177e4SLinus Torvalds	default y
10531da177e4SLinus Torvalds
1054ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10551cc89038SAtsushi Nemoto	bool
10561cc89038SAtsushi Nemoto	default y
10571cc89038SAtsushi Nemoto
10581da177e4SLinus Torvalds#
10591da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10601da177e4SLinus Torvalds#
10610e2794b0SRalf Baechleconfig FW_ARC
10621da177e4SLinus Torvalds	bool
10631da177e4SLinus Torvalds
106461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
106561ed242dSRalf Baechle	bool
106661ed242dSRalf Baechle
10679267a30dSMarc St-Jeanconfig BOOT_RAW
10689267a30dSMarc St-Jean	bool
10699267a30dSMarc St-Jean
1070217dd11eSRalf Baechleconfig CEVT_BCM1480
1071217dd11eSRalf Baechle	bool
1072217dd11eSRalf Baechle
10736457d9fcSYoichi Yuasaconfig CEVT_DS1287
10746457d9fcSYoichi Yuasa	bool
10756457d9fcSYoichi Yuasa
10761097c6acSYoichi Yuasaconfig CEVT_GT641XX
10771097c6acSYoichi Yuasa	bool
10781097c6acSYoichi Yuasa
107942f77542SRalf Baechleconfig CEVT_R4K
108042f77542SRalf Baechle	bool
108142f77542SRalf Baechle
1082217dd11eSRalf Baechleconfig CEVT_SB1250
1083217dd11eSRalf Baechle	bool
1084217dd11eSRalf Baechle
1085229f773eSAtsushi Nemotoconfig CEVT_TXX9
1086229f773eSAtsushi Nemoto	bool
1087229f773eSAtsushi Nemoto
1088217dd11eSRalf Baechleconfig CSRC_BCM1480
1089217dd11eSRalf Baechle	bool
1090217dd11eSRalf Baechle
10914247417dSYoichi Yuasaconfig CSRC_IOASIC
10924247417dSYoichi Yuasa	bool
10934247417dSYoichi Yuasa
1094940f6b48SRalf Baechleconfig CSRC_R4K
1095940f6b48SRalf Baechle	bool
1096940f6b48SRalf Baechle
1097217dd11eSRalf Baechleconfig CSRC_SB1250
1098217dd11eSRalf Baechle	bool
1099217dd11eSRalf Baechle
1100a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1101a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1102a7f4df4eSAlex Smith
1103a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1104d30a2b47SLinus Walleij	select GPIOLIB
1105a9aec7feSAtsushi Nemoto	bool
1106a9aec7feSAtsushi Nemoto
11070e2794b0SRalf Baechleconfig FW_CFE
1108df78b5c8SAurelien Jarno	bool
1109df78b5c8SAurelien Jarno
111040e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
111140e084a5SRalf Baechle	bool
111240e084a5SRalf Baechle
1113885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1114f3ecc0ffSChristoph Hellwig	select ARCH_HAS_DMA_COHERENCE_H
1115885014bcSFelix Fietkau	select DMA_NONCOHERENT
1116885014bcSFelix Fietkau	bool
1117885014bcSFelix Fietkau
111820d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
111920d33064SPaul Burton	bool
11205748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
112120d33064SPaul Burton
11221da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11231da177e4SLinus Torvalds	bool
112458b04406SChristoph Hellwig	select ARCH_HAS_DMA_MMAP_PGPROT
1125f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
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
1867*7e280f6bSJiaxun Yang	select CPU_MIPSR2
1868ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1869932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1870ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1871a96d68baSJiaxun Yang	select IRQ_MIPS_CPU
1872a96d68baSJiaxun Yang	select DMA_NONCOHERENT
1873a96d68baSJiaxun Yang	select BOOT_ELF32
1874a96d68baSJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
1875ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1876f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1877ca585cf9SKelvin Cheung
1878fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
187904fa8bf7SJonas Gorski	select SMP_UP if SMP
18801bbb6c1bSKevin Cernekee	bool
1881cd746249SJonas Gorski
1882cd746249SJonas Gorskiconfig CPU_BMIPS4350
1883cd746249SJonas Gorski	bool
1884cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1885cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1886cd746249SJonas Gorski
1887cd746249SJonas Gorskiconfig CPU_BMIPS4380
1888cd746249SJonas Gorski	bool
1889bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1890cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1891cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1892b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1893cd746249SJonas Gorski
1894cd746249SJonas Gorskiconfig CPU_BMIPS5000
1895cd746249SJonas Gorski	bool
1896cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1897bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1898cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1899cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1900b4720809SFlorian Fainelli	select CPU_HAS_RIXI
19011bbb6c1bSKevin Cernekee
19020e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3
19030e476d91SHuacai Chen	bool
19040e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1905b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19060e476d91SHuacai Chen
19073702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19082a21c730SFuxin Zhang	bool
19092a21c730SFuxin Zhang
19106f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19116f7a251aSWu Zhangjin	bool
191255045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
191355045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
191422f1fdfdSWu Zhangjin	select CPU_SUPPORTS_UNCACHED_ACCELERATED
19156f7a251aSWu Zhangjin
1916ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1917ca585cf9SKelvin Cheung	bool
1918ca585cf9SKelvin Cheung
191912e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
192012e3280bSYang Ling	bool
192112e3280bSYang Ling
19227cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
19237cf8053bSRalf Baechle	bool
19247cf8053bSRalf Baechle
19257cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
19267cf8053bSRalf Baechle	bool
19277cf8053bSRalf Baechle
1928a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1929a6e18781SLeonid Yegoshin	bool
1930a6e18781SLeonid Yegoshin
1931c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1932c5b36783SSteven J. Hill	bool
1933f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
1934c5b36783SSteven J. Hill
19357fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
19367fd08ca5SLeonid Yegoshin	bool
1937f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
19387fd08ca5SLeonid Yegoshin
19397cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
19407cf8053bSRalf Baechle	bool
19417cf8053bSRalf Baechle
19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19437cf8053bSRalf Baechle	bool
19447cf8053bSRalf Baechle
19457fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19467fd08ca5SLeonid Yegoshin	bool
1947f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
19487fd08ca5SLeonid Yegoshin
19497cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19507cf8053bSRalf Baechle	bool
19517cf8053bSRalf Baechle
19527cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19537cf8053bSRalf Baechle	bool
19547cf8053bSRalf Baechle
19557cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19567cf8053bSRalf Baechle	bool
19577cf8053bSRalf Baechle
19587cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300
19597cf8053bSRalf Baechle	bool
19607cf8053bSRalf Baechle
19617cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
19627cf8053bSRalf Baechle	bool
19637cf8053bSRalf Baechle
19647cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
19657cf8053bSRalf Baechle	bool
19667cf8053bSRalf Baechle
19677cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
19687cf8053bSRalf Baechle	bool
19697cf8053bSRalf Baechle
19707cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432
19717cf8053bSRalf Baechle	bool
19727cf8053bSRalf Baechle
1973542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1974542c1020SShinya Kuribayashi	bool
1975542c1020SShinya Kuribayashi
19767cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
19777cf8053bSRalf Baechle	bool
19787cf8053bSRalf Baechle
19797cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000
19807cf8053bSRalf Baechle	bool
19817cf8053bSRalf Baechle
19827cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
19837cf8053bSRalf Baechle	bool
1984f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
19857cf8053bSRalf Baechle
19867cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
19877cf8053bSRalf Baechle	bool
19887cf8053bSRalf Baechle
19897cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
19907cf8053bSRalf Baechle	bool
19917cf8053bSRalf Baechle
19925e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
19935e683389SDavid Daney	bool
19945e683389SDavid Daney
1995cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1996c1c0c461SKevin Cernekee	bool
1997c1c0c461SKevin Cernekee
1998fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1999c1c0c461SKevin Cernekee	bool
2000cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2001c1c0c461SKevin Cernekee
2002c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
2003c1c0c461SKevin Cernekee	bool
2004cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2005c1c0c461SKevin Cernekee
2006c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
2007c1c0c461SKevin Cernekee	bool
2008cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2009c1c0c461SKevin Cernekee
2010c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2011c1c0c461SKevin Cernekee	bool
2012cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2013f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
2014c1c0c461SKevin Cernekee
20157f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20167f058e85SJayachandran C	bool
20177f058e85SJayachandran C
20181c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20191c773ea4SJayachandran C	bool
20201c773ea4SJayachandran C
202117099b11SRalf Baechle#
202217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
202317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
202417099b11SRalf Baechle#
20250004a9dfSRalf Baechleconfig WEAK_ORDERING
20260004a9dfSRalf Baechle	bool
202717099b11SRalf Baechle
202817099b11SRalf Baechle#
202917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
203017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
203117099b11SRalf Baechle#
203217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
203317099b11SRalf Baechle	bool
20345e83d430SRalf Baechleendmenu
20355e83d430SRalf Baechle
20365e83d430SRalf Baechle#
20375e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
20385e83d430SRalf Baechle#
20395e83d430SRalf Baechleconfig CPU_MIPS32
20405e83d430SRalf Baechle	bool
20417fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
20425e83d430SRalf Baechle
20435e83d430SRalf Baechleconfig CPU_MIPS64
20445e83d430SRalf Baechle	bool
20457fd08ca5SLeonid Yegoshin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
20465e83d430SRalf Baechle
20475e83d430SRalf Baechle#
204857eeacedSPaul Burton# These indicate the revision of the architecture
20495e83d430SRalf Baechle#
20505e83d430SRalf Baechleconfig CPU_MIPSR1
20515e83d430SRalf Baechle	bool
20525e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20535e83d430SRalf Baechle
20545e83d430SRalf Baechleconfig CPU_MIPSR2
20555e83d430SRalf Baechle	bool
2056a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20578256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2058a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20595e83d430SRalf Baechle
20607fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20617fd08ca5SLeonid Yegoshin	bool
20627fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20638256b17eSFlorian Fainelli	select CPU_HAS_RIXI
206487321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
20652db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
20664a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2067a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20685e83d430SRalf Baechle
206957eeacedSPaul Burtonconfig TARGET_ISA_REV
207057eeacedSPaul Burton	int
207157eeacedSPaul Burton	default 1 if CPU_MIPSR1
207257eeacedSPaul Burton	default 2 if CPU_MIPSR2
207357eeacedSPaul Burton	default 6 if CPU_MIPSR6
207457eeacedSPaul Burton	default 0
207557eeacedSPaul Burton	help
207657eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
207757eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
207857eeacedSPaul Burton
2079a6e18781SLeonid Yegoshinconfig EVA
2080a6e18781SLeonid Yegoshin	bool
2081a6e18781SLeonid Yegoshin
2082c5b36783SSteven J. Hillconfig XPA
2083c5b36783SSteven J. Hill	bool
2084c5b36783SSteven J. Hill
20855e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
20865e83d430SRalf Baechle	bool
20875e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
20885e83d430SRalf Baechle	bool
20895e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
20905e83d430SRalf Baechle	bool
20915e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
20925e83d430SRalf Baechle	bool
209355045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
209455045ff5SWu Zhangjin	bool
209555045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
209655045ff5SWu Zhangjin	bool
20979cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
20989cffd154SDavid Daney	bool
209922f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED
210022f1fdfdSWu Zhangjin	bool
210182622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
210282622284SDavid Daney	bool
2103cebf8c0fSPaul Burton	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
21045e83d430SRalf Baechle
21058192c9eaSDavid Daney#
21068192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
21078192c9eaSDavid Daney#
21088192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
21098192c9eaSDavid Daney       bool
2110679eb637SJames Hogan       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
21118192c9eaSDavid Daney
21125e83d430SRalf Baechlemenu "Kernel type"
21135e83d430SRalf Baechle
21145e83d430SRalf Baechlechoice
21155e83d430SRalf Baechle	prompt "Kernel code model"
21165e83d430SRalf Baechle	help
21175e83d430SRalf Baechle	  You should only select this option if you have a workload that
21185e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
21195e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
21205e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
21215e83d430SRalf Baechle
21225e83d430SRalf Baechleconfig 32BIT
21235e83d430SRalf Baechle	bool "32-bit kernel"
21245e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
21255e83d430SRalf Baechle	select TRAD_SIGNALS
21265e83d430SRalf Baechle	help
21275e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2128f17c4ca3SRalf Baechle
21295e83d430SRalf Baechleconfig 64BIT
21305e83d430SRalf Baechle	bool "64-bit kernel"
21315e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21325e83d430SRalf Baechle	help
21335e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21345e83d430SRalf Baechle
21355e83d430SRalf Baechleendchoice
21365e83d430SRalf Baechle
21372235a54dSSanjay Lalconfig KVM_GUEST
21382235a54dSSanjay Lal	bool "KVM Guest Kernel"
2139f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
21402235a54dSSanjay Lal	help
2141caa1faa7SJames Hogan	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2142caa1faa7SJames Hogan	  mode.
21432235a54dSSanjay Lal
2144eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
2145eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
21462235a54dSSanjay Lal	depends on KVM_GUEST
2147eda3d33cSJames Hogan	default 100
21482235a54dSSanjay Lal	help
2149eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2150eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
2151eda3d33cSJames Hogan	  timer frequency is specified directly.
21522235a54dSSanjay Lal
21531e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21541e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21551e321fa9SLeonid Yegoshin	depends on 64BIT
21561e321fa9SLeonid Yegoshin	help
21573377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21583377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21593377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21603377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21613377e227SAlex Belits	  level of page tables is added which imposes both a memory
21623377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21633377e227SAlex Belits
21641e321fa9SLeonid Yegoshin	  If unsure, say N.
21651e321fa9SLeonid Yegoshin
21661da177e4SLinus Torvaldschoice
21671da177e4SLinus Torvalds	prompt "Kernel page size"
21681da177e4SLinus Torvalds	default PAGE_SIZE_4KB
21691da177e4SLinus Torvalds
21701da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
21711da177e4SLinus Torvalds	bool "4kB"
21720e476d91SHuacai Chen	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
21731da177e4SLinus Torvalds	help
21741da177e4SLinus Torvalds	 This option select the standard 4kB Linux page size.  On some
21751da177e4SLinus Torvalds	 R3000-family processors this is the only available page size.  Using
21761da177e4SLinus Torvalds	 4kB page size will minimize memory consumption and is therefore
21771da177e4SLinus Torvalds	 recommended for low memory systems.
21781da177e4SLinus Torvalds
21791da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
21801da177e4SLinus Torvalds	bool "8kB"
21817d60717eSKees Cook	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
21821e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
21831da177e4SLinus Torvalds	help
21841da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
21851da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2186c52399beSRalf Baechle	  only on R8000 and cnMIPS processors.  Note that you will need a
2187c52399beSRalf Baechle	  suitable Linux distribution to support this.
21881da177e4SLinus Torvalds
21891da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
21901da177e4SLinus Torvalds	bool "16kB"
2191714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
21921da177e4SLinus Torvalds	help
21931da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
21941da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2195714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2196714bfad6SRalf Baechle	  Linux distribution to support this.
21971da177e4SLinus Torvalds
2198c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2199c52399beSRalf Baechle	bool "32kB"
2200c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
22011e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2202c52399beSRalf Baechle	help
2203c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2204c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2205c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2206c52399beSRalf Baechle	  distribution to support this.
2207c52399beSRalf Baechle
22081da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22091da177e4SLinus Torvalds	bool "64kB"
22103b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22111da177e4SLinus Torvalds	help
22121da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22131da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22141da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2215714bfad6SRalf Baechle	  writing this option is still high experimental.
22161da177e4SLinus Torvalds
22171da177e4SLinus Torvaldsendchoice
22181da177e4SLinus Torvalds
2219c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2220c9bace7cSDavid Daney	int "Maximum zone order"
2221e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2222e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2223e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2224e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2225e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2226e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2227c9bace7cSDavid Daney	range 11 64
2228c9bace7cSDavid Daney	default "11"
2229c9bace7cSDavid Daney	help
2230c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2231c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2232c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2233c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2234c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2235c9bace7cSDavid Daney	  increase this value.
2236c9bace7cSDavid Daney
2237c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2238c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2239c9bace7cSDavid Daney
2240c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2241c9bace7cSDavid Daney	  when choosing a value for this option.
2242c9bace7cSDavid Daney
22431da177e4SLinus Torvaldsconfig BOARD_SCACHE
22441da177e4SLinus Torvalds	bool
22451da177e4SLinus Torvalds
22461da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22471da177e4SLinus Torvalds	bool
22481da177e4SLinus Torvalds	select BOARD_SCACHE
22491da177e4SLinus Torvalds
22509318c51aSChris Dearman#
22519318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22529318c51aSChris Dearman#
22539318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22549318c51aSChris Dearman	bool
22559318c51aSChris Dearman	select BOARD_SCACHE
22569318c51aSChris Dearman
22571da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22581da177e4SLinus Torvalds	bool
22591da177e4SLinus Torvalds	select BOARD_SCACHE
22601da177e4SLinus Torvalds
22611da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22621da177e4SLinus Torvalds	bool
22631da177e4SLinus Torvalds	select BOARD_SCACHE
22641da177e4SLinus Torvalds
22651da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
22661da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
22671da177e4SLinus Torvalds	depends on CPU_SB1
22681da177e4SLinus Torvalds	help
22691da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
22701da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
22711da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
22721da177e4SLinus Torvalds
22731da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2274c8094b53SRalf Baechle	bool
22751da177e4SLinus Torvalds
22763165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
22773165c846SFlorian Fainelli	bool
22783b2db173SPaul Burton	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
22793165c846SFlorian Fainelli
2280c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2281183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2282183b40f9SPaul Burton	default y
2283183b40f9SPaul Burton	help
2284183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2285183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2286183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2287183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2288183b40f9SPaul Burton	  receive a SIGILL.
2289183b40f9SPaul Burton
2290183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2291183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2292183b40f9SPaul Burton
2293183b40f9SPaul Burton	  If unsure, say y.
2294c92e47e5SPaul Burton
229597f7dcbfSPaul Burtonconfig CPU_R2300_FPU
229697f7dcbfSPaul Burton	bool
2297c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
229897f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
229997f7dcbfSPaul Burton
230091405eb6SFlorian Fainelliconfig CPU_R4K_FPU
230191405eb6SFlorian Fainelli	bool
2302c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
230397f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
230491405eb6SFlorian Fainelli
230562cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
230662cedc4fSFlorian Fainelli	bool
230762cedc4fSFlorian Fainelli	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
230862cedc4fSFlorian Fainelli
230959d6ab86SRalf Baechleconfig MIPS_MT_SMP
2310a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23115cbf9688SPaul Burton	default y
2312527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
231359d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2314d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2315c080faa5SSteven J. Hill	select SYNC_R4K
231659d6ab86SRalf Baechle	select MIPS_MT
231759d6ab86SRalf Baechle	select SMP
231887353d8aSRalf Baechle	select SMP_UP
2319c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2320c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2321399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
232259d6ab86SRalf Baechle	help
2323c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2324c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2325c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2326c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2327c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
232859d6ab86SRalf Baechle
2329f41ae0b2SRalf Baechleconfig MIPS_MT
2330f41ae0b2SRalf Baechle	bool
2331f41ae0b2SRalf Baechle
23320ab7aefcSRalf Baechleconfig SCHED_SMT
23330ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
23340ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
23350ab7aefcSRalf Baechle	default n
23360ab7aefcSRalf Baechle	help
23370ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
23380ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
23390ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
23400ab7aefcSRalf Baechle
23410ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
23420ab7aefcSRalf Baechle	bool
23430ab7aefcSRalf Baechle
2344f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2345f41ae0b2SRalf Baechle	bool
2346f41ae0b2SRalf Baechle
2347f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2348f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2349f088fc84SRalf Baechle	default y
2350b633648cSRalf Baechle	depends on MIPS_MT_SMP
235107cc0c9eSRalf Baechle
2352b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2353b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23549eaa9a82SPaul Burton	depends on CPU_MIPSR6
2355c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2356b0a668fbSLeonid Yegoshin	default y
2357b0a668fbSLeonid Yegoshin	help
2358b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2359b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
236007edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2361b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2362b0a668fbSLeonid Yegoshin	  final kernel image.
2363b0a668fbSLeonid Yegoshin
2364f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2365f35764e7SJames Hogan	bool
2366f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2367f35764e7SJames Hogan	help
2368f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2369f35764e7SJames Hogan	  physical_memsize.
2370f35764e7SJames Hogan
237107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
237207cc0c9eSRalf Baechle	bool "VPE loader support."
2373f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
237407cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
237507cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
237607cc0c9eSRalf Baechle	select MIPS_MT
237707cc0c9eSRalf Baechle	help
237807cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
237907cc0c9eSRalf Baechle	  onto another VPE and running it.
2380f088fc84SRalf Baechle
238117a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
238217a1d523SDeng-Cheng Zhu	bool
238317a1d523SDeng-Cheng Zhu	default "y"
238417a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
238517a1d523SDeng-Cheng Zhu
23861a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
23871a2a6d7eSDeng-Cheng Zhu	bool
23881a2a6d7eSDeng-Cheng Zhu	default "y"
23891a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
23901a2a6d7eSDeng-Cheng Zhu
2391e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2392e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2393e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2394e01402b1SRalf Baechle	default y
2395e01402b1SRalf Baechle	help
2396e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2397e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2398e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2399e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2400e01402b1SRalf Baechle
2401e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2402e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2403e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2404e01402b1SRalf Baechle
2405da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2406da615cf6SDeng-Cheng Zhu	bool
2407da615cf6SDeng-Cheng Zhu	default "y"
2408da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2409da615cf6SDeng-Cheng Zhu
24102c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24112c973ef0SDeng-Cheng Zhu	bool
24122c973ef0SDeng-Cheng Zhu	default "y"
24132c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24142c973ef0SDeng-Cheng Zhu
24154a16ff4cSRalf Baechleconfig MIPS_CMP
24165cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24175676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2418b10b43baSMarkos Chandras	select SMP
2419eb9b5141STim Anderson	select SYNC_R4K
2420b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
24214a16ff4cSRalf Baechle	select WEAK_ORDERING
24224a16ff4cSRalf Baechle	default n
24234a16ff4cSRalf Baechle	help
2424044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2425044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2426044505c7SPaul Burton	  its ability to start secondary CPUs.
24274a16ff4cSRalf Baechle
24285cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
24295cac93b3SPaul Burton	  instead of this.
24305cac93b3SPaul Burton
24310ee958e1SPaul Burtonconfig MIPS_CPS
24320ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
24335a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
24340ee958e1SPaul Burton	select MIPS_CM
24351d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
24360ee958e1SPaul Burton	select SMP
24370ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
24381d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2439c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
24400ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
24410ee958e1SPaul Burton	select WEAK_ORDERING
24420ee958e1SPaul Burton	help
24430ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24440ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24450ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24460ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24470ee958e1SPaul Burton	  support is unavailable.
24480ee958e1SPaul Burton
24493179d37eSPaul Burtonconfig MIPS_CPS_PM
245039a59593SMarkos Chandras	depends on MIPS_CPS
24513179d37eSPaul Burton	bool
24523179d37eSPaul Burton
24539f98f3ddSPaul Burtonconfig MIPS_CM
24549f98f3ddSPaul Burton	bool
24553c9b4166SPaul Burton	select MIPS_CPC
24569f98f3ddSPaul Burton
24579c38cf44SPaul Burtonconfig MIPS_CPC
24589c38cf44SPaul Burton	bool
24592600990eSRalf Baechle
24601da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24611da177e4SLinus Torvalds	bool
24621da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
24631da177e4SLinus Torvalds	default y
24641da177e4SLinus Torvalds
24651da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
24661da177e4SLinus Torvalds	bool
24671da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
24681da177e4SLinus Torvalds	default y
24691da177e4SLinus Torvalds
24702235a54dSSanjay Lal
24719e2b5372SMarkos Chandraschoice
24729e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
24739e2b5372SMarkos Chandras
24749e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
24759e2b5372SMarkos Chandras	bool "None"
24769e2b5372SMarkos Chandras	help
24779e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
24789e2b5372SMarkos Chandras
24799693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
24809693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
24819e2b5372SMarkos Chandras	bool "SmartMIPS"
24829693a853SFranck Bui-Huu	help
24839693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
24849693a853SFranck Bui-Huu	  increased security at both hardware and software level for
24859693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
24869693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
24879693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
24889693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
24899693a853SFranck Bui-Huu	  here.
24909693a853SFranck Bui-Huu
2491bce86083SSteven J. Hillconfig CPU_MICROMIPS
24927fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
24939e2b5372SMarkos Chandras	bool "microMIPS"
2494bce86083SSteven J. Hill	help
2495bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2496bce86083SSteven J. Hill	  microMIPS ISA
2497bce86083SSteven J. Hill
24989e2b5372SMarkos Chandrasendchoice
24999e2b5372SMarkos Chandras
2500a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
25010ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2502a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2503c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
25042a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2505a5e9a69eSPaul Burton	help
2506a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2507a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
25081db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25091db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25101db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25111db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25121db1af84SPaul Burton	  the size & complexity of your kernel.
2513a5e9a69eSPaul Burton
2514a5e9a69eSPaul Burton	  If unsure, say Y.
2515a5e9a69eSPaul Burton
25161da177e4SLinus Torvaldsconfig CPU_HAS_WB
2517f7062ddbSRalf Baechle	bool
2518e01402b1SRalf Baechle
2519df0ac8a4SKevin Cernekeeconfig XKS01
2520df0ac8a4SKevin Cernekee	bool
2521df0ac8a4SKevin Cernekee
25228256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
25238256b17eSFlorian Fainelli	bool
25248256b17eSFlorian Fainelli
2525932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR
2526932afdeeSYasha Cherikovsky	bool
2527932afdeeSYasha Cherikovsky	help
2528932afdeeSYasha Cherikovsky	  CPU has support for unaligned load and store instructions:
2529932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
2530932afdeeSYasha Cherikovsky	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2531932afdeeSYasha Cherikovsky
2532f41ae0b2SRalf Baechle#
2533f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2534f41ae0b2SRalf Baechle#
2535e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2536f41ae0b2SRalf Baechle	bool
2537e01402b1SRalf Baechle
2538f41ae0b2SRalf Baechle#
2539f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2540f41ae0b2SRalf Baechle#
2541e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2542f41ae0b2SRalf Baechle	bool
2543e01402b1SRalf Baechle
25441da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25451da177e4SLinus Torvalds	bool
25461da177e4SLinus Torvalds	depends on !CPU_R3000
25471da177e4SLinus Torvalds	default y
25481da177e4SLinus Torvalds
25491da177e4SLinus Torvalds#
255020d60d99SMaciej W. Rozycki# CPU non-features
255120d60d99SMaciej W. Rozycki#
255220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
255320d60d99SMaciej W. Rozycki	bool
255420d60d99SMaciej W. Rozycki
255520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
255620d60d99SMaciej W. Rozycki	bool
255720d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
255820d60d99SMaciej W. Rozycki
255920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
256020d60d99SMaciej W. Rozycki	bool
256120d60d99SMaciej W. Rozycki
25624edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
25634edf00a4SPaul Burton	int
25644edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25654edf00a4SPaul Burton	default 4 if CPU_R8000
25664edf00a4SPaul Burton	default 0
25674edf00a4SPaul Burton
25684edf00a4SPaul Burtonconfig MIPS_ASID_BITS
25694edf00a4SPaul Burton	int
25702db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
25714edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25724edf00a4SPaul Burton	default 8
25734edf00a4SPaul Burton
25742db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
25752db003a5SPaul Burton	bool
25762db003a5SPaul Burton
25774a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
25784a5dc51eSMarcin Nowakowski	bool
25794a5dc51eSMarcin Nowakowski
258020d60d99SMaciej W. Rozycki#
25811da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
25821da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
25831da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
25841da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
25851da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
25861da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
25871da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
25881da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2589797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2590797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2591797798c1SRalf Baechle#   support.
25921da177e4SLinus Torvalds#
25931da177e4SLinus Torvaldsconfig HIGHMEM
25941da177e4SLinus Torvalds	bool "High Memory Support"
2595a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2596797798c1SRalf Baechle
2597797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2598797798c1SRalf Baechle	bool
2599797798c1SRalf Baechle
2600797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2601797798c1SRalf Baechle	bool
26021da177e4SLinus Torvalds
26039693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26049693a853SFranck Bui-Huu	bool
26059693a853SFranck Bui-Huu
2606a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2607a6a4834cSSteven J. Hill	bool
2608a6a4834cSSteven J. Hill
2609377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2610377cb1b6SRalf Baechle	bool
2611377cb1b6SRalf Baechle	help
2612377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2613377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2614377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2615377cb1b6SRalf Baechle
2616a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2617a5e9a69eSPaul Burton	bool
2618a5e9a69eSPaul Burton
2619b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2620b4819b59SYoichi Yuasa	def_bool y
2621f133f22dSWu Zhangjin	depends on !NUMA && !CPU_LOONGSON2
2622b4819b59SYoichi Yuasa
2623d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE
2624d8cb4e11SRalf Baechle	bool
2625d8cb4e11SRalf Baechle	default y if SGI_IP27
2626d8cb4e11SRalf Baechle	help
26273dde6ad8SDavid Sterba	  Say Y to support efficient handling of discontiguous physical memory,
2628d8cb4e11SRalf Baechle	  for architectures which are either NUMA (Non-Uniform Memory Access)
2629d8cb4e11SRalf Baechle	  or have huge holes in the physical address space for other reasons.
2630ad56b738SMike Rapoport	  See <file:Documentation/vm/numa.rst> for more.
2631d8cb4e11SRalf Baechle
2632b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2633b1c6cd42SAtsushi Nemoto	bool
26347de58fabSAtsushi Nemoto	select SPARSEMEM_STATIC
263531473747SAtsushi Nemoto
2636d8cb4e11SRalf Baechleconfig NUMA
2637d8cb4e11SRalf Baechle	bool "NUMA Support"
2638d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2639d8cb4e11SRalf Baechle	help
2640d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2641d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2642d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2643d8cb4e11SRalf Baechle	  leave it disabled; on single node systems disable this option
2644d8cb4e11SRalf Baechle	  disabled.
2645d8cb4e11SRalf Baechle
2646d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2647d8cb4e11SRalf Baechle	bool
2648d8cb4e11SRalf Baechle
26498c530ea3SMatt Redfearnconfig RELOCATABLE
26508c530ea3SMatt Redfearn	bool "Relocatable kernel"
26513ff72be4SSteven J. Hill	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
26528c530ea3SMatt Redfearn	help
26538c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
26548c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
26558c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
26568c530ea3SMatt Redfearn	  but are discarded at runtime
26578c530ea3SMatt Redfearn
2658069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2659069fd766SMatt Redfearn	hex "Relocation table size"
2660069fd766SMatt Redfearn	depends on RELOCATABLE
2661069fd766SMatt Redfearn	range 0x0 0x01000000
2662069fd766SMatt Redfearn	default "0x00100000"
2663069fd766SMatt Redfearn	---help---
2664069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2665069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2666069fd766SMatt Redfearn
2667069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2668069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2669069fd766SMatt Redfearn
2670069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2671069fd766SMatt Redfearn
2672069fd766SMatt Redfearn	  If unsure, leave at the default value.
2673069fd766SMatt Redfearn
2674405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2675405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2676405bc8fdSMatt Redfearn	depends on RELOCATABLE
2677405bc8fdSMatt Redfearn	---help---
2678405bc8fdSMatt Redfearn	   Randomizes the physical and virtual address at which the
2679405bc8fdSMatt Redfearn	   kernel image is loaded, as a security feature that
2680405bc8fdSMatt Redfearn	   deters exploit attempts relying on knowledge of the location
2681405bc8fdSMatt Redfearn	   of kernel internals.
2682405bc8fdSMatt Redfearn
2683405bc8fdSMatt Redfearn	   Entropy is generated using any coprocessor 0 registers available.
2684405bc8fdSMatt Redfearn
2685405bc8fdSMatt Redfearn	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2686405bc8fdSMatt Redfearn
2687405bc8fdSMatt Redfearn	   If unsure, say N.
2688405bc8fdSMatt Redfearn
2689405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2690405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2691405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2692405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2693405bc8fdSMatt Redfearn	range 0x0 0x08000000
2694405bc8fdSMatt Redfearn	default "0x01000000"
2695405bc8fdSMatt Redfearn	---help---
2696405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2697405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2698405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2699405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2700405bc8fdSMatt Redfearn
2701405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2702405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2703405bc8fdSMatt Redfearn
2704c80d79d7SYasunori Gotoconfig NODES_SHIFT
2705c80d79d7SYasunori Goto	int
2706c80d79d7SYasunori Goto	default "6"
2707c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2708c80d79d7SYasunori Goto
270914f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
271014f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
271123021b2bSYang Shi	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
271214f70012SDeng-Cheng Zhu	default y
271314f70012SDeng-Cheng Zhu	help
271414f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
271514f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
271614f70012SDeng-Cheng Zhu
27171da177e4SLinus Torvaldsconfig SMP
27181da177e4SLinus Torvalds	bool "Multi-Processing support"
2719e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2720e73ea273SRalf Baechle	help
27211da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27224a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27234a474157SRobert Graffham	  than one CPU, say Y.
27241da177e4SLinus Torvalds
27254a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27261da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27271da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27284a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27291da177e4SLinus Torvalds	  will run faster if you say N here.
27301da177e4SLinus Torvalds
27311da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27321da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27331da177e4SLinus Torvalds
273403502faaSAdrian Bunk	  See also the SMP-HOWTO available at
273503502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
27361da177e4SLinus Torvalds
27371da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27381da177e4SLinus Torvalds
27397840d618SMatt Redfearnconfig HOTPLUG_CPU
27407840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27417840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27427840d618SMatt Redfearn	help
27437840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
27447840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
27457840d618SMatt Redfearn	  (Note: power management support will enable this option
27467840d618SMatt Redfearn	    automatically on SMP systems. )
27477840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
27487840d618SMatt Redfearn
274987353d8aSRalf Baechleconfig SMP_UP
275087353d8aSRalf Baechle	bool
275187353d8aSRalf Baechle
27524a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
27534a16ff4cSRalf Baechle	bool
27544a16ff4cSRalf Baechle
27550ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
27560ee958e1SPaul Burton	bool
27570ee958e1SPaul Burton
2758e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2759e73ea273SRalf Baechle	bool
2760e73ea273SRalf Baechle
2761130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2762130e2fb7SRalf Baechle	bool
2763130e2fb7SRalf Baechle
2764130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2765130e2fb7SRalf Baechle	bool
2766130e2fb7SRalf Baechle
2767130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2768130e2fb7SRalf Baechle	bool
2769130e2fb7SRalf Baechle
2770130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2771130e2fb7SRalf Baechle	bool
2772130e2fb7SRalf Baechle
2773130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2774130e2fb7SRalf Baechle	bool
2775130e2fb7SRalf Baechle
27761da177e4SLinus Torvaldsconfig NR_CPUS
2777a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2778a91796a9SJayachandran C	range 2 256
27791da177e4SLinus Torvalds	depends on SMP
2780130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2781130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2782130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2783130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2784130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
27851da177e4SLinus Torvalds	help
27861da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
27871da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
27881da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
278972ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
279072ede9b1SAtsushi Nemoto	  and 2 for all others.
27911da177e4SLinus Torvalds
27921da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
279372ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
279472ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
279572ede9b1SAtsushi Nemoto	  power of two.
27961da177e4SLinus Torvalds
2797399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2798399aaa25SAl Cooper	bool
2799399aaa25SAl Cooper
28007820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28017820b84bSDavid Daney	bool
28027820b84bSDavid Daney
28037820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28047820b84bSDavid Daney	int
28057820b84bSDavid Daney	depends on SMP
28067820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28077820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28087820b84bSDavid Daney
28091723b4a3SAtsushi Nemoto#
28101723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28111723b4a3SAtsushi Nemoto#
28121723b4a3SAtsushi Nemoto
28131723b4a3SAtsushi Nemotochoice
28141723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28151723b4a3SAtsushi Nemoto	default HZ_250
28161723b4a3SAtsushi Nemoto	help
28171723b4a3SAtsushi Nemoto	 Allows the configuration of the timer frequency.
28181723b4a3SAtsushi Nemoto
281967596573SPaul Burton	config HZ_24
282067596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
282167596573SPaul Burton
28221723b4a3SAtsushi Nemoto	config HZ_48
28230f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28241723b4a3SAtsushi Nemoto
28251723b4a3SAtsushi Nemoto	config HZ_100
28261723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28271723b4a3SAtsushi Nemoto
28281723b4a3SAtsushi Nemoto	config HZ_128
28291723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28301723b4a3SAtsushi Nemoto
28311723b4a3SAtsushi Nemoto	config HZ_250
28321723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28331723b4a3SAtsushi Nemoto
28341723b4a3SAtsushi Nemoto	config HZ_256
28351723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28361723b4a3SAtsushi Nemoto
28371723b4a3SAtsushi Nemoto	config HZ_1000
28381723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28391723b4a3SAtsushi Nemoto
28401723b4a3SAtsushi Nemoto	config HZ_1024
28411723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28421723b4a3SAtsushi Nemoto
28431723b4a3SAtsushi Nemotoendchoice
28441723b4a3SAtsushi Nemoto
284567596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
284667596573SPaul Burton	bool
284767596573SPaul Burton
28481723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
28491723b4a3SAtsushi Nemoto	bool
28501723b4a3SAtsushi Nemoto
28511723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
28521723b4a3SAtsushi Nemoto	bool
28531723b4a3SAtsushi Nemoto
28541723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
28551723b4a3SAtsushi Nemoto	bool
28561723b4a3SAtsushi Nemoto
28571723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
28581723b4a3SAtsushi Nemoto	bool
28591723b4a3SAtsushi Nemoto
28601723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
28611723b4a3SAtsushi Nemoto	bool
28621723b4a3SAtsushi Nemoto
28631723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
28641723b4a3SAtsushi Nemoto	bool
28651723b4a3SAtsushi Nemoto
28661723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
28671723b4a3SAtsushi Nemoto	bool
28681723b4a3SAtsushi Nemoto
28691723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
28701723b4a3SAtsushi Nemoto	bool
287167596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
287267596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
287367596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
287467596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
287567596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
287667596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
287767596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
28781723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
28791723b4a3SAtsushi Nemoto
28801723b4a3SAtsushi Nemotoconfig HZ
28811723b4a3SAtsushi Nemoto	int
288267596573SPaul Burton	default 24 if HZ_24
28831723b4a3SAtsushi Nemoto	default 48 if HZ_48
28841723b4a3SAtsushi Nemoto	default 100 if HZ_100
28851723b4a3SAtsushi Nemoto	default 128 if HZ_128
28861723b4a3SAtsushi Nemoto	default 250 if HZ_250
28871723b4a3SAtsushi Nemoto	default 256 if HZ_256
28881723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
28891723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
28901723b4a3SAtsushi Nemoto
289196685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
289296685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
289396685b17SDeng-Cheng Zhu
2894ea6e942bSAtsushi Nemotoconfig KEXEC
28957d60717eSKees Cook	bool "Kexec system call"
28962965faa5SDave Young	select KEXEC_CORE
2897ea6e942bSAtsushi Nemoto	help
2898ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2899ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29003dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2901ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2902ea6e942bSAtsushi Nemoto
290301dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2904ea6e942bSAtsushi Nemoto
2905ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2906ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2907bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2908bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2909bf220695SGeert Uytterhoeven	  made.
2910ea6e942bSAtsushi Nemoto
29117aa1c8f4SRalf Baechleconfig CRASH_DUMP
29127aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29137aa1c8f4SRalf Baechle	help
29147aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29157aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29167aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29177aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29187aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29197aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29207aa1c8f4SRalf Baechle	  PHYSICAL_START.
29217aa1c8f4SRalf Baechle
29227aa1c8f4SRalf Baechleconfig PHYSICAL_START
29237aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29248bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29257aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29267aa1c8f4SRalf Baechle	help
29277aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29287aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29297aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29307aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29317aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29327aa1c8f4SRalf Baechle
2933ea6e942bSAtsushi Nemotoconfig SECCOMP
2934ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
2935293c5bd1SRalf Baechle	depends on PROC_FS
2936ea6e942bSAtsushi Nemoto	default y
2937ea6e942bSAtsushi Nemoto	help
2938ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
2939ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
2940ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
2941ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
2942ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
2943ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
2944ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2945ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
2946ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
2947ea6e942bSAtsushi Nemoto
2948ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
2949ea6e942bSAtsushi Nemoto
2950597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
2951b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2952597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2953597ce172SPaul Burton	help
2954597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2955597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2956597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2957597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2958597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2959597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2960597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
2961597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
2962597ce172SPaul Burton	  saying N here.
2963597ce172SPaul Burton
296406e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
296506e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
296606e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
296706e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
296806e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
296906e2e882SPaul Burton	  said details.
297006e2e882SPaul Burton
297106e2e882SPaul Burton	  If unsure, say N.
2972597ce172SPaul Burton
2973f2ffa5abSDezhong Diaoconfig USE_OF
29740b3e06fdSJonas Gorski	bool
2975f2ffa5abSDezhong Diao	select OF
2976e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
2977abd2363fSGrant Likely	select IRQ_DOMAIN
2978f2ffa5abSDezhong Diao
29792fe8ea39SDengcheng Zhuconfig UHI_BOOT
29802fe8ea39SDengcheng Zhu	bool
29812fe8ea39SDengcheng Zhu
29827fafb068SAndrew Brestickerconfig BUILTIN_DTB
29837fafb068SAndrew Bresticker	bool
29847fafb068SAndrew Bresticker
29851da8f179SJonas Gorskichoice
29865b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
29871da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
29881da8f179SJonas Gorski
29891da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
29901da8f179SJonas Gorski		bool "None"
29911da8f179SJonas Gorski		help
29921da8f179SJonas Gorski		  Do not enable appended dtb support.
29931da8f179SJonas Gorski
299487db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
299587db537dSAaro Koskinen		bool "vmlinux"
299687db537dSAaro Koskinen		help
299787db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
299887db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
299987db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
300087db537dSAaro Koskinen		  objcopy:
300187db537dSAaro Koskinen
300287db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
300387db537dSAaro Koskinen
300487db537dSAaro Koskinen		  This is meant as a backward compatiblity convenience for those
300587db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
300687db537dSAaro Koskinen		  the documented boot protocol using a device tree.
300787db537dSAaro Koskinen
30081da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3009b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30101da8f179SJonas Gorski		help
30111da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3012b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30131da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30141da8f179SJonas Gorski
30151da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30161da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30171da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30181da8f179SJonas Gorski
30191da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30201da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30211da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30221da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30231da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30241da8f179SJonas Gorskiendchoice
30251da8f179SJonas Gorski
30262024972eSJonas Gorskichoice
30272024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30282bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
30293f5f0a44SPaul Burton					 !MIPS_MALTA && \
30302bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30312024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30322024972eSJonas Gorski
30332024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30342024972eSJonas Gorski		depends on USE_OF
30352024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30362024972eSJonas Gorski
30372024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30382024972eSJonas Gorski		depends on USE_OF
30392024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30402024972eSJonas Gorski
30412024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30422024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3043ed47e153SRabin Vincent
3044ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3045ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3046ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
30472024972eSJonas Gorskiendchoice
30482024972eSJonas Gorski
30495e83d430SRalf Baechleendmenu
30505e83d430SRalf Baechle
30511df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
30521df0f0ffSAtsushi Nemoto	bool
30531df0f0ffSAtsushi Nemoto	default y
30541df0f0ffSAtsushi Nemoto
30551df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
30561df0f0ffSAtsushi Nemoto	bool
30571df0f0ffSAtsushi Nemoto	default y
30581df0f0ffSAtsushi Nemoto
3059e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT
3060e1e16115SAaro Koskinen	bool
3061e1e16115SAaro Koskinen	default y
3062e1e16115SAaro Koskinen
3063a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3064a728ab52SKirill A. Shutemov	int
30653377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3066a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3067a728ab52SKirill A. Shutemov	default 2
3068a728ab52SKirill A. Shutemov
30696c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
30706c359eb1SPaul Burton	bool
30716c359eb1SPaul Burton
30721da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
30731da177e4SLinus Torvalds
3074c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
30752eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3076c5611df9SPaul Burton	bool
3077c5611df9SPaul Burton
3078c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3079c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3080c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
30812eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
30821da177e4SLinus Torvalds
30831da177e4SLinus Torvalds#
30841da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
30851da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
30861da177e4SLinus Torvalds# users to choose the right thing ...
30871da177e4SLinus Torvalds#
30881da177e4SLinus Torvaldsconfig ISA
30891da177e4SLinus Torvalds	bool
30901da177e4SLinus Torvalds
30911da177e4SLinus Torvaldsconfig TC
30921da177e4SLinus Torvalds	bool "TURBOchannel support"
30931da177e4SLinus Torvalds	depends on MACH_DECSTATION
30941da177e4SLinus Torvalds	help
309550a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
309650a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
309750a23e6eSJustin P. Mattock	  at:
309850a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
309950a23e6eSJustin P. Mattock	  and:
310050a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
310150a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
310250a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31031da177e4SLinus Torvalds
31041da177e4SLinus Torvaldsconfig MMU
31051da177e4SLinus Torvalds	bool
31061da177e4SLinus Torvalds	default y
31071da177e4SLinus Torvalds
3108109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3109109c32ffSMatt Redfearn	default 12 if 64BIT
3110109c32ffSMatt Redfearn	default 8
3111109c32ffSMatt Redfearn
3112109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3113109c32ffSMatt Redfearn	default 18 if 64BIT
3114109c32ffSMatt Redfearn	default 15
3115109c32ffSMatt Redfearn
3116109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3117109c32ffSMatt Redfearn       default 8
3118109c32ffSMatt Redfearn
3119109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3120109c32ffSMatt Redfearn       default 15
3121109c32ffSMatt Redfearn
3122d865bea4SRalf Baechleconfig I8253
3123d865bea4SRalf Baechle	bool
3124798778b8SRussell King	select CLKSRC_I8253
31252d02612fSThomas Gleixner	select CLKEVT_I8253
31269726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3127d865bea4SRalf Baechle
3128e05eb3f8SRalf Baechleconfig ZONE_DMA
3129e05eb3f8SRalf Baechle	bool
3130e05eb3f8SRalf Baechle
3131cce335aeSRalf Baechleconfig ZONE_DMA32
3132cce335aeSRalf Baechle	bool
3133cce335aeSRalf Baechle
31341da177e4SLinus Torvaldsendmenu
31351da177e4SLinus Torvalds
31361da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31371da177e4SLinus Torvalds	bool
31381da177e4SLinus Torvalds
31391da177e4SLinus Torvaldsconfig MIPS32_COMPAT
314078aaf956SRalf Baechle	bool
31411da177e4SLinus Torvalds
31421da177e4SLinus Torvaldsconfig COMPAT
31431da177e4SLinus Torvalds	bool
31441da177e4SLinus Torvalds
314505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
314605e43966SAtsushi Nemoto	bool
314705e43966SAtsushi Nemoto
31481da177e4SLinus Torvaldsconfig MIPS32_O32
31491da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
315078aaf956SRalf Baechle	depends on 64BIT
315178aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
315278aaf956SRalf Baechle	select COMPAT
315378aaf956SRalf Baechle	select MIPS32_COMPAT
315478aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31551da177e4SLinus Torvalds	help
31561da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
31571da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
31581da177e4SLinus Torvalds	  existing binaries are in this format.
31591da177e4SLinus Torvalds
31601da177e4SLinus Torvalds	  If unsure, say Y.
31611da177e4SLinus Torvalds
31621da177e4SLinus Torvaldsconfig MIPS32_N32
31631da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3164c22eacfeSRalf Baechle	depends on 64BIT
316578aaf956SRalf Baechle	select COMPAT
316678aaf956SRalf Baechle	select MIPS32_COMPAT
316778aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31681da177e4SLinus Torvalds	help
31691da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
31701da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
31711da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
31721da177e4SLinus Torvalds	  cases.
31731da177e4SLinus Torvalds
31741da177e4SLinus Torvalds	  If unsure, say N.
31751da177e4SLinus Torvalds
31761da177e4SLinus Torvaldsconfig BINFMT_ELF32
31771da177e4SLinus Torvalds	bool
31781da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
3179f43edca7SRalf Baechle	select ELFCORE
31801da177e4SLinus Torvalds
31812116245eSRalf Baechlemenu "Power management options"
3182952fa954SRodolfo Giometti
3183363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3184363c55caSWu Zhangjin	def_bool y
31853f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3186363c55caSWu Zhangjin
3187f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3188f4cb5700SJohannes Berg	def_bool y
31893f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3190f4cb5700SJohannes Berg
31912116245eSRalf Baechlesource "kernel/power/Kconfig"
3192952fa954SRodolfo Giometti
31931da177e4SLinus Torvaldsendmenu
31941da177e4SLinus Torvalds
31957a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
31967a998935SViresh Kumar	bool
31977a998935SViresh Kumar
31987a998935SViresh Kumarmenu "CPU Power Management"
3199c095ebafSPaul Burton
3200c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32017a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32027a998935SViresh Kumarendif
32039726b43aSWu Zhangjin
3204c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3205c095ebafSPaul Burton
3206c095ebafSPaul Burtonendmenu
3207c095ebafSPaul Burton
320898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
320998cdee0eSRalf Baechle
32102235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3211