xref: /linux/arch/mips/Kconfig (revision 5a9372f751b5350e0ce3d2ee91832f1feae2c2e5)
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
2090aabf1a4SGabor Juhos	select MIPS_MACHINE
210d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
211d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
212d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
213d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
214377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
215b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
21603c8c407SAlban Bedel	select USE_OF
21753d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
218d4a67d9dSGabor Juhos	help
219d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
220d4a67d9dSGabor Juhos
2215f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2225f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
223d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
224d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
225d666cd02SKevin Cernekee	select BOOT_RAW
226d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
227d666cd02SKevin Cernekee	select USE_OF
228d666cd02SKevin Cernekee	select CEVT_R4K
229d666cd02SKevin Cernekee	select CSRC_R4K
230d666cd02SKevin Cernekee	select SYNC_R4K
231d666cd02SKevin Cernekee	select COMMON_CLK
232c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
23360b858f2SKevin Cernekee	select BCM7038_L1_IRQ
23460b858f2SKevin Cernekee	select BCM7120_L2_IRQ
23560b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
23667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
23760b858f2SKevin Cernekee	select DMA_NONCOHERENT
238d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
23960b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
240d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
241d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
24260b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
24360b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
24460b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
245d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
246d666cd02SKevin Cernekee	select SWAP_IO_SPACE
24760b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
24860b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
24960b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
25060b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2514dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
252d666cd02SKevin Cernekee	help
2535f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2545f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2555f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2565f2d4459SKevin Cernekee	  must be set appropriately for your board.
257d666cd02SKevin Cernekee
2581c0c13ebSAurelien Jarnoconfig BCM47XX
259c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
260fe08f8c2SHauke Mehrtens	select BOOT_RAW
26142f77542SRalf Baechle	select CEVT_R4K
262940f6b48SRalf Baechle	select CSRC_R4K
2631c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
264eb01d42aSChristoph Hellwig	select HAVE_PCI
26567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
266314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
267dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
2681c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
2691c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
270377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2716507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
27225e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
273e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
274c949c0bcSRafał Miłecki	select GPIOLIB
275c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
276f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
2772ab71a02SRafał Miłecki	select BCM47XX_SPROM
278dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
2791c0c13ebSAurelien Jarno	help
2801c0c13ebSAurelien Jarno	 Support for BCM47XX based boards
2811c0c13ebSAurelien Jarno
282e7300d04SMaxime Bizonconfig BCM63XX
283e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
284ae8de61cSFlorian Fainelli	select BOOT_RAW
285e7300d04SMaxime Bizon	select CEVT_R4K
286e7300d04SMaxime Bizon	select CSRC_R4K
287fc264022SJonas Gorski	select SYNC_R4K
288e7300d04SMaxime Bizon	select DMA_NONCOHERENT
28967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
290e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
291e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
292e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
293e7300d04SMaxime Bizon	select SWAP_IO_SPACE
294d30a2b47SLinus Walleij	select GPIOLIB
2953e82eeebSYoichi Yuasa	select HAVE_CLK
296af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
297c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
298e7300d04SMaxime Bizon	help
299e7300d04SMaxime Bizon	 Support for BCM63XX based boards
300e7300d04SMaxime Bizon
3011da177e4SLinus Torvaldsconfig MIPS_COBALT
3023fa986faSMartin Michlmayr	bool "Cobalt Server"
30342f77542SRalf Baechle	select CEVT_R4K
304940f6b48SRalf Baechle	select CSRC_R4K
3051097c6acSYoichi Yuasa	select CEVT_GT641XX
3061da177e4SLinus Torvalds	select DMA_NONCOHERENT
307eb01d42aSChristoph Hellwig	select FORCE_PCI
308d865bea4SRalf Baechle	select I8253
3091da177e4SLinus Torvalds	select I8259
31067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
311d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
312252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3137cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3140a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
315ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3160e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3175e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
318e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3191da177e4SLinus Torvalds
3201da177e4SLinus Torvaldsconfig MACH_DECSTATION
3213fa986faSMartin Michlmayr	bool "DECstations"
3221da177e4SLinus Torvalds	select BOOT_ELF32
3236457d9fcSYoichi Yuasa	select CEVT_DS1287
32481d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3254247417dSYoichi Yuasa	select CSRC_IOASIC
32681d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
32720d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
32820d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
32920d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3301da177e4SLinus Torvalds	select DMA_NONCOHERENT
331ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
33267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3337cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3347cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
335ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3367d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3375e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3381723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3391723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3401723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
341930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3425e83d430SRalf Baechle	help
3431da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3441da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3451da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3461da177e4SLinus Torvalds
3471da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3481da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3491da177e4SLinus Torvalds
3501da177e4SLinus Torvalds		DECstation 5000/50
3511da177e4SLinus Torvalds		DECstation 5000/150
3521da177e4SLinus Torvalds		DECstation 5000/260
3531da177e4SLinus Torvalds		DECsystem 5900/260
3541da177e4SLinus Torvalds
3551da177e4SLinus Torvalds	  otherwise choose R3000.
3561da177e4SLinus Torvalds
3575e83d430SRalf Baechleconfig MACH_JAZZ
3583fa986faSMartin Michlmayr	bool "Jazz family of machines"
359a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
3607a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
3610e2794b0SRalf Baechle	select FW_ARC
3620e2794b0SRalf Baechle	select FW_ARC32
3635e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
36442f77542SRalf Baechle	select CEVT_R4K
365940f6b48SRalf Baechle	select CSRC_R4K
366e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
3675e83d430SRalf Baechle	select GENERIC_ISA_DMA
3688a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
36967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
370d865bea4SRalf Baechle	select I8253
3715e83d430SRalf Baechle	select I8259
3725e83d430SRalf Baechle	select ISA
3737cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3745e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3757d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3761723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
3771da177e4SLinus Torvalds	help
3785e83d430SRalf Baechle	 This a family of machines based on the MIPS R4030 chipset which was
3795e83d430SRalf Baechle	 used by several vendors to build RISC/os and Windows NT workstations.
380692105b8SMatt LaPlante	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
3815e83d430SRalf Baechle	 Olivetti M700-10 workstations.
3825e83d430SRalf Baechle
383de361e8bSPaul Burtonconfig MACH_INGENIC
384de361e8bSPaul Burton	bool "Ingenic SoC based machines"
3855ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
3865ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
387f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
3885ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
38967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
39037b4c3caSPaul Cercueil	select PINCTRL
391d30a2b47SLinus Walleij	select GPIOLIB
392ff1930c6SPaul Burton	select COMMON_CLK
39383bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
394ffb1843dSPaul Burton	select BUILTIN_DTB
395ffb1843dSPaul Burton	select USE_OF
3966ec127fbSPaul Burton	select LIBFDT
3975ebabe59SLars-Peter Clausen
398171bb2f1SJohn Crispinconfig LANTIQ
399171bb2f1SJohn Crispin	bool "Lantiq based platforms"
400171bb2f1SJohn Crispin	select DMA_NONCOHERENT
40167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
402171bb2f1SJohn Crispin	select CEVT_R4K
403171bb2f1SJohn Crispin	select CSRC_R4K
404171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
405171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
406171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
407171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
408377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
409171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
410f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
411171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
412d30a2b47SLinus Walleij	select GPIOLIB
413171bb2f1SJohn Crispin	select SWAP_IO_SPACE
414171bb2f1SJohn Crispin	select BOOT_RAW
415287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
416a0392222SJohn Crispin	select USE_OF
4173f8c50c9SJohn Crispin	select PINCTRL
4183f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
419c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
420c530781cSJohn Crispin	select RESET_CONTROLLER
421171bb2f1SJohn Crispin
4221f21d2bdSBrian Murphyconfig LASAT
4231f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
42442f77542SRalf Baechle	select CEVT_R4K
42516f0bbbcSRalf Baechle	select CRC32
426940f6b48SRalf Baechle	select CSRC_R4K
4271f21d2bdSBrian Murphy	select DMA_NONCOHERENT
4281f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
429eb01d42aSChristoph Hellwig	select HAVE_PCI
43067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4311f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
4321f21d2bdSBrian Murphy	select MIPS_NILE4
4331f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
4341f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
4351f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
4361f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
4371f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
4381f21d2bdSBrian Murphy
43930ad29bbSHuacai Chenconfig MACH_LOONGSON32
44030ad29bbSHuacai Chen	bool "Loongson-1 family of machines"
441c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
442ade299d8SYoichi Yuasa	help
44330ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
44485749d24SWu Zhangjin
44530ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
44630ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
44730ad29bbSHuacai Chen	  Sciences (CAS).
448ade299d8SYoichi Yuasa
44930ad29bbSHuacai Chenconfig MACH_LOONGSON64
45030ad29bbSHuacai Chen	bool "Loongson-2/3 family of machines"
451ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
452ca585cf9SKelvin Cheung	help
45330ad29bbSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
454ca585cf9SKelvin Cheung
45530ad29bbSHuacai Chen	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
45630ad29bbSHuacai Chen	  family of multi-core CPUs. They are both 64-bit general-purpose
45730ad29bbSHuacai Chen	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
45830ad29bbSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
45930ad29bbSHuacai Chen	  in the People's Republic of China. The chief architect is Professor
46030ad29bbSHuacai Chen	  Weiwu Hu.
461ca585cf9SKelvin Cheung
4626a438309SAndrew Brestickerconfig MACH_PISTACHIO
4636a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
4646a438309SAndrew Bresticker	select BOOT_ELF32
4656a438309SAndrew Bresticker	select BOOT_RAW
4666a438309SAndrew Bresticker	select CEVT_R4K
4676a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
4686a438309SAndrew Bresticker	select COMMON_CLK
4696a438309SAndrew Bresticker	select CSRC_R4K
470645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
471d30a2b47SLinus Walleij	select GPIOLIB
47267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4736a438309SAndrew Bresticker	select LIBFDT
4746a438309SAndrew Bresticker	select MFD_SYSCON
4756a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
4766a438309SAndrew Bresticker	select MIPS_GIC
4776a438309SAndrew Bresticker	select PINCTRL
4786a438309SAndrew Bresticker	select REGULATOR
4796a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
4806a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
4816a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
4826a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
4836a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
48441cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
4856a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
486018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
487018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
4886a438309SAndrew Bresticker	select USE_OF
4896a438309SAndrew Bresticker	help
4906a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
4916a438309SAndrew Bresticker
4921da177e4SLinus Torvaldsconfig MIPS_MALTA
4933fa986faSMartin Michlmayr	bool "MIPS Malta board"
49461ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
495a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
4967a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
4971da177e4SLinus Torvalds	select BOOT_ELF32
498fa71c960SRalf Baechle	select BOOT_RAW
499e8823d26SPaul Burton	select BUILTIN_DTB
50042f77542SRalf Baechle	select CEVT_R4K
501fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
50242b002abSGuenter Roeck	select COMMON_CLK
50347bf2b03SMaksym Kokhan	select CSRC_R4K
504885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
5051da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5068a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
507eb01d42aSChristoph Hellwig	select HAVE_PCI
508d865bea4SRalf Baechle	select I8253
5091da177e4SLinus Torvalds	select I8259
51047bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
51147bf2b03SMaksym Kokhan	select LIBFDT
5125e83d430SRalf Baechle	select MIPS_BONITO64
5139318c51aSChris Dearman	select MIPS_CPU_SCACHE
51447bf2b03SMaksym Kokhan	select MIPS_GIC
515a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5165e83d430SRalf Baechle	select MIPS_MSC
51747bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
518ecafe3e9SPaul Burton	select SMP_UP if SMP
5191da177e4SLinus Torvalds	select SWAP_IO_SPACE
5207cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5217cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
522bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
523c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
524575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5257cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5265d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
527575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5287cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5297cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
530ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
531ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5325e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
533c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5345e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
535424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
53647bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5370365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
538e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
539f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
54047bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5419693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
542f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5431b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
544e8823d26SPaul Burton	select USE_OF
545abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5461da177e4SLinus Torvalds	help
547f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5481da177e4SLinus Torvalds	  board.
5491da177e4SLinus Torvalds
5502572f00dSJoshua Hendersonconfig MACH_PIC32
5512572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5522572f00dSJoshua Henderson	help
5532572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5542572f00dSJoshua Henderson
5552572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5562572f00dSJoshua Henderson	  microcontrollers.
5572572f00dSJoshua Henderson
558a83860c2SRalf Baechleconfig NEC_MARKEINS
559a83860c2SRalf Baechle	bool "NEC EMMA2RH Mark-eins board"
560a83860c2SRalf Baechle	select SOC_EMMA2RH
561eb01d42aSChristoph Hellwig	select HAVE_PCI
562a83860c2SRalf Baechle	help
563a83860c2SRalf Baechle	  This enables support for the NEC Electronics Mark-eins boards.
564ade299d8SYoichi Yuasa
5655e83d430SRalf Baechleconfig MACH_VR41XX
56674142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
56742f77542SRalf Baechle	select CEVT_R4K
568940f6b48SRalf Baechle	select CSRC_R4K
5697cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
570377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
571d30a2b47SLinus Walleij	select GPIOLIB
5725e83d430SRalf Baechle
573edb6310aSDaniel Lairdconfig NXP_STB220
574edb6310aSDaniel Laird	bool "NXP STB220 board"
575edb6310aSDaniel Laird	select SOC_PNX833X
576edb6310aSDaniel Laird	help
577edb6310aSDaniel Laird	 Support for NXP Semiconductors STB220 Development Board.
578edb6310aSDaniel Laird
579edb6310aSDaniel Lairdconfig NXP_STB225
580edb6310aSDaniel Laird	bool "NXP 225 board"
581edb6310aSDaniel Laird	select SOC_PNX833X
582edb6310aSDaniel Laird	select SOC_PNX8335
583edb6310aSDaniel Laird	help
584edb6310aSDaniel Laird	 Support for NXP Semiconductors STB225 Development Board.
585edb6310aSDaniel Laird
5869267a30dSMarc St-Jeanconfig PMC_MSP
5879267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
58839d30c13SAnoop P A	select CEVT_R4K
58939d30c13SAnoop P A	select CSRC_R4K
5909267a30dSMarc St-Jean	select DMA_NONCOHERENT
5919267a30dSMarc St-Jean	select SWAP_IO_SPACE
5929267a30dSMarc St-Jean	select NO_EXCEPT_FILL
5939267a30dSMarc St-Jean	select BOOT_RAW
5949267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
5959267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
5969267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
5979267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
598377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
59967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
6009267a30dSMarc St-Jean	select SERIAL_8250
6019267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
6029296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_MMIO
6039296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_DESC
6049267a30dSMarc St-Jean	help
6059267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
6069267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
6079267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
6089267a30dSMarc St-Jean	  a variety of MIPS cores.
6099267a30dSMarc St-Jean
610ae2b5bb6SJohn Crispinconfig RALINK
611ae2b5bb6SJohn Crispin	bool "Ralink based machines"
612ae2b5bb6SJohn Crispin	select CEVT_R4K
613ae2b5bb6SJohn Crispin	select CSRC_R4K
614ae2b5bb6SJohn Crispin	select BOOT_RAW
615ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
61667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
617ae2b5bb6SJohn Crispin	select USE_OF
618ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
619ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
620ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
621ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
622377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
623ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
624ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6252a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6262a153f1cSJohn Crispin	select RESET_CONTROLLER
627ae2b5bb6SJohn Crispin
6281da177e4SLinus Torvaldsconfig SGI_IP22
6293fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
6300e2794b0SRalf Baechle	select FW_ARC
6310e2794b0SRalf Baechle	select FW_ARC32
6327a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6331da177e4SLinus Torvalds	select BOOT_ELF32
63442f77542SRalf Baechle	select CEVT_R4K
635940f6b48SRalf Baechle	select CSRC_R4K
636e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6371da177e4SLinus Torvalds	select DMA_NONCOHERENT
6386630a8e5SChristoph Hellwig	select HAVE_EISA
639d865bea4SRalf Baechle	select I8253
64068de4803SThomas Bogendoerfer	select I8259
6411da177e4SLinus Torvalds	select IP22_CPU_SCACHE
64267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
643aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
644e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
645e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
64636e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
647e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
648e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
649e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6501da177e4SLinus Torvalds	select SWAP_IO_SPACE
6517cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6527cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
6532b5e63f6SMartin Michlmayr	#
6542b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
6552b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
6562b5e63f6SMartin Michlmayr	#
6572b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
6582b5e63f6SMartin Michlmayr	# for a more details discussion
6592b5e63f6SMartin Michlmayr	#
6602b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
661ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
662ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6635e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
664930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6651da177e4SLinus Torvalds	help
6661da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6671da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6681da177e4SLinus Torvalds	  that runs on these, say Y here.
6691da177e4SLinus Torvalds
6701da177e4SLinus Torvaldsconfig SGI_IP27
6713fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
67254aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
6730e2794b0SRalf Baechle	select FW_ARC
6740e2794b0SRalf Baechle	select FW_ARC64
6755e83d430SRalf Baechle	select BOOT_ELF64
676e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
67736a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
678eb01d42aSChristoph Hellwig	select HAVE_PCI
679130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
6807cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
681ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6825e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
683d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
6841a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
685930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6861da177e4SLinus Torvalds	help
6871da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
6881da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
6891da177e4SLinus Torvalds	  here.
6901da177e4SLinus Torvalds
691e2defae5SThomas Bogendoerferconfig SGI_IP28
6927d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
6930e2794b0SRalf Baechle	select FW_ARC
6940e2794b0SRalf Baechle	select FW_ARC64
6957a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
696e2defae5SThomas Bogendoerfer	select BOOT_ELF64
697e2defae5SThomas Bogendoerfer	select CEVT_R4K
698e2defae5SThomas Bogendoerfer	select CSRC_R4K
699e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
700e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
701e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
70267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7036630a8e5SChristoph Hellwig	select HAVE_EISA
704e2defae5SThomas Bogendoerfer	select I8253
705e2defae5SThomas Bogendoerfer	select I8259
706e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
707e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7085b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
709e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
710e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
711e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
712e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
713e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7142b5e63f6SMartin Michlmayr	#
7152b5e63f6SMartin Michlmayr	# Disable EARLY_PRINTK for now since it leads to overwritten prom
7162b5e63f6SMartin Michlmayr	# memory during early boot on some machines.
7172b5e63f6SMartin Michlmayr	#
7182b5e63f6SMartin Michlmayr	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
7192b5e63f6SMartin Michlmayr	# for a more details discussion
7202b5e63f6SMartin Michlmayr	#
7212b5e63f6SMartin Michlmayr	# select SYS_HAS_EARLY_PRINTK
722e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
723e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
724dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
725e2defae5SThomas Bogendoerfer      help
726e2defae5SThomas Bogendoerfer        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
727e2defae5SThomas Bogendoerfer        kernel that runs on these, say Y here.
728e2defae5SThomas Bogendoerfer
7291da177e4SLinus Torvaldsconfig SGI_IP32
730cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
73103df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7320e2794b0SRalf Baechle	select FW_ARC
7330e2794b0SRalf Baechle	select FW_ARC32
7341da177e4SLinus Torvalds	select BOOT_ELF32
73542f77542SRalf Baechle	select CEVT_R4K
736940f6b48SRalf Baechle	select CSRC_R4K
7371da177e4SLinus Torvalds	select DMA_NONCOHERENT
738eb01d42aSChristoph Hellwig	select HAVE_PCI
73967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7401da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7411da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7427cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7437cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7447cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
745dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
746ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7475e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7481da177e4SLinus Torvalds	help
7491da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
7501da177e4SLinus Torvalds
751ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
752ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
7535e83d430SRalf Baechle	select BOOT_ELF32
7545e83d430SRalf Baechle	select SIBYTE_BCM1120
7555e83d430SRalf Baechle	select SWAP_IO_SPACE
7567cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7575e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7585e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7595e83d430SRalf Baechle
760ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
761ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
7625e83d430SRalf Baechle	select BOOT_ELF32
7635e83d430SRalf Baechle	select SIBYTE_BCM1120
7645e83d430SRalf Baechle	select SWAP_IO_SPACE
7657cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7665e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7675e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7685e83d430SRalf Baechle
7695e83d430SRalf Baechleconfig SIBYTE_CRHONE
7703fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
7715e83d430SRalf Baechle	select BOOT_ELF32
7725e83d430SRalf Baechle	select SIBYTE_BCM1125
7735e83d430SRalf Baechle	select SWAP_IO_SPACE
7747cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7755e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7765e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7775e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7785e83d430SRalf Baechle
779ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
780ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
781ade299d8SYoichi Yuasa	select BOOT_ELF32
782ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
783ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
784ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
785ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
786ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
787ade299d8SYoichi Yuasa
788ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
789ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
790ade299d8SYoichi Yuasa	select BOOT_ELF32
791fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
792ade299d8SYoichi Yuasa	select SIBYTE_SB1250
793ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
794ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
795ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
796ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
797ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
798cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
799e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
800ade299d8SYoichi Yuasa
801ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
802ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
803ade299d8SYoichi Yuasa	select BOOT_ELF32
804fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
805ade299d8SYoichi Yuasa	select SIBYTE_SB1250
806ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
807ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
808ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
809ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
810ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
811756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
812ade299d8SYoichi Yuasa
813ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
814ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
815ade299d8SYoichi Yuasa	select BOOT_ELF32
816ade299d8SYoichi Yuasa	select SIBYTE_SB1250
817ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
818ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
819ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
820ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
821e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
822ade299d8SYoichi Yuasa
823ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
824ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
825ade299d8SYoichi Yuasa	select BOOT_ELF32
826ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
827ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
828ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
829ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
830ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
831651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
832ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
833cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
834e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
835ade299d8SYoichi Yuasa
83614b36af4SThomas Bogendoerferconfig SNI_RM
83714b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
8380e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8390e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
840aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8415e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
842a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8437a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8445e83d430SRalf Baechle	select BOOT_ELF32
84542f77542SRalf Baechle	select CEVT_R4K
846940f6b48SRalf Baechle	select CSRC_R4K
847e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
8485e83d430SRalf Baechle	select DMA_NONCOHERENT
8495e83d430SRalf Baechle	select GENERIC_ISA_DMA
8506630a8e5SChristoph Hellwig	select HAVE_EISA
8518a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
852eb01d42aSChristoph Hellwig	select HAVE_PCI
85367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
854d865bea4SRalf Baechle	select I8253
8555e83d430SRalf Baechle	select I8259
8565e83d430SRalf Baechle	select ISA
8574a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
8587cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
8594a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
860c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
8614a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
86236a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
863ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
8647d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
8654a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
8665e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8675e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8681da177e4SLinus Torvalds	help
86914b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
87014b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
8715e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
8725e83d430SRalf Baechle	  support this machine type.
8731da177e4SLinus Torvalds
874edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
875edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
8765e83d430SRalf Baechle
877edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
878edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
87923fbee9dSRalf Baechle
88073b4390fSRalf Baechleconfig MIKROTIK_RB532
88173b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
88273b4390fSRalf Baechle	select CEVT_R4K
88373b4390fSRalf Baechle	select CSRC_R4K
88473b4390fSRalf Baechle	select DMA_NONCOHERENT
885eb01d42aSChristoph Hellwig	select HAVE_PCI
88667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
88773b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
88873b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
88973b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
89073b4390fSRalf Baechle	select SWAP_IO_SPACE
89173b4390fSRalf Baechle	select BOOT_RAW
892d30a2b47SLinus Walleij	select GPIOLIB
893930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
89473b4390fSRalf Baechle	help
89573b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
89673b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
89773b4390fSRalf Baechle
8989ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
8999ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
900a86c7f72SDavid Daney	select CEVT_R4K
901ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9021753d50cSChristoph Hellwig	select HAVE_RAPIDIO
903d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
904a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
905a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
906f65aad41SRalf Baechle	select EDAC_SUPPORT
907b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
90873569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
90973569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
910a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9115e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
912eb01d42aSChristoph Hellwig	select HAVE_PCI
913f00e001eSDavid Daney	select ZONE_DMA32
914465aaed0SDavid Daney	select HOLES_IN_ZONE
915d30a2b47SLinus Walleij	select GPIOLIB
9166e511163SDavid Daney	select LIBFDT
9176e511163SDavid Daney	select USE_OF
9186e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9196e511163SDavid Daney	select SYS_SUPPORTS_SMP
9207820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9217820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
922e326479fSAndrew Bresticker	select BUILTIN_DTB
9238c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
92409230cbcSChristoph Hellwig	select SWIOTLB
9253ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
926a86c7f72SDavid Daney	help
927a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
928a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
929a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
930a86c7f72SDavid Daney	  Some of the supported boards are:
931a86c7f72SDavid Daney		EBT3000
932a86c7f72SDavid Daney		EBH3000
933a86c7f72SDavid Daney		EBH3100
934a86c7f72SDavid Daney		Thunder
935a86c7f72SDavid Daney		Kodama
936a86c7f72SDavid Daney		Hikari
937a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
938a86c7f72SDavid Daney
9397f058e85SJayachandran Cconfig NLM_XLR_BOARD
9407f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
9417f058e85SJayachandran C	select BOOT_ELF32
9427f058e85SJayachandran C	select NLM_COMMON
9437f058e85SJayachandran C	select SYS_HAS_CPU_XLR
9447f058e85SJayachandran C	select SYS_SUPPORTS_SMP
945eb01d42aSChristoph Hellwig	select HAVE_PCI
9467f058e85SJayachandran C	select SWAP_IO_SPACE
9477f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9487f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
949d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
9507f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9517f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9527f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
9537f058e85SJayachandran C	select CEVT_R4K
9547f058e85SJayachandran C	select CSRC_R4K
95567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
956b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9577f058e85SJayachandran C	select SYNC_R4K
9587f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
9598f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9608f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9617f058e85SJayachandran C	help
9627f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
9637f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
9647f058e85SJayachandran C
9651c773ea4SJayachandran Cconfig NLM_XLP_BOARD
9661c773ea4SJayachandran C	bool "Netlogic XLP based systems"
9671c773ea4SJayachandran C	select BOOT_ELF32
9681c773ea4SJayachandran C	select NLM_COMMON
9691c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
9701c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
971eb01d42aSChristoph Hellwig	select HAVE_PCI
9721c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9731c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
974d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
975d30a2b47SLinus Walleij	select GPIOLIB
9761c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9771c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
9781c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9791c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
9801c773ea4SJayachandran C	select CEVT_R4K
9811c773ea4SJayachandran C	select CSRC_R4K
98267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
983b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9841c773ea4SJayachandran C	select SYNC_R4K
9851c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
9862f6528e1SJayachandran C	select USE_OF
9878f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9888f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9891c773ea4SJayachandran C	help
9901c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
9911c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
9921c773ea4SJayachandran C
9939bc463beSDavid Daneyconfig MIPS_PARAVIRT
9949bc463beSDavid Daney	bool "Para-Virtualized guest system"
9959bc463beSDavid Daney	select CEVT_R4K
9969bc463beSDavid Daney	select CSRC_R4K
9979bc463beSDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
9989bc463beSDavid Daney	select SYS_SUPPORTS_32BIT_KERNEL
9999bc463beSDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
10009bc463beSDavid Daney	select SYS_SUPPORTS_SMP
10019bc463beSDavid Daney	select NR_CPUS_DEFAULT_4
10029bc463beSDavid Daney	select SYS_HAS_EARLY_PRINTK
10039bc463beSDavid Daney	select SYS_HAS_CPU_MIPS32_R2
10049bc463beSDavid Daney	select SYS_HAS_CPU_MIPS64_R2
10059bc463beSDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
1006eb01d42aSChristoph Hellwig	select HAVE_PCI
10079bc463beSDavid Daney	select SWAP_IO_SPACE
10089bc463beSDavid Daney	help
10099bc463beSDavid Daney	  This option supports guest running under ????
10109bc463beSDavid Daney
10111da177e4SLinus Torvaldsendchoice
10121da177e4SLinus Torvalds
1013e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10143b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1015d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1016a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1017e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10188945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1019eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
10205e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10215ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
10228ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10231f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
10242572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1025af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
10260f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig"
1027ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
102829c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
102938b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
103022b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10315e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1032a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
103330ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
103430ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
10357f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
1036ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig"
103738b18f72SRalf Baechle
10385e83d430SRalf Baechleendmenu
10395e83d430SRalf Baechle
10401da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
10411da177e4SLinus Torvalds	bool
10421da177e4SLinus Torvalds	default y
10431da177e4SLinus Torvalds
10441da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM
10451da177e4SLinus Torvalds	bool
10461da177e4SLinus Torvalds
10473c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10483c9ee7efSAkinobu Mita	bool
10493c9ee7efSAkinobu Mita	default y
10503c9ee7efSAkinobu Mita
10511da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10521da177e4SLinus Torvalds	bool
10531da177e4SLinus Torvalds	default y
10541da177e4SLinus Torvalds
1055ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10561cc89038SAtsushi Nemoto	bool
10571cc89038SAtsushi Nemoto	default y
10581cc89038SAtsushi Nemoto
10591da177e4SLinus Torvalds#
10601da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10611da177e4SLinus Torvalds#
10620e2794b0SRalf Baechleconfig FW_ARC
10631da177e4SLinus Torvalds	bool
10641da177e4SLinus Torvalds
106561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
106661ed242dSRalf Baechle	bool
106761ed242dSRalf Baechle
10689267a30dSMarc St-Jeanconfig BOOT_RAW
10699267a30dSMarc St-Jean	bool
10709267a30dSMarc St-Jean
1071217dd11eSRalf Baechleconfig CEVT_BCM1480
1072217dd11eSRalf Baechle	bool
1073217dd11eSRalf Baechle
10746457d9fcSYoichi Yuasaconfig CEVT_DS1287
10756457d9fcSYoichi Yuasa	bool
10766457d9fcSYoichi Yuasa
10771097c6acSYoichi Yuasaconfig CEVT_GT641XX
10781097c6acSYoichi Yuasa	bool
10791097c6acSYoichi Yuasa
108042f77542SRalf Baechleconfig CEVT_R4K
108142f77542SRalf Baechle	bool
108242f77542SRalf Baechle
1083217dd11eSRalf Baechleconfig CEVT_SB1250
1084217dd11eSRalf Baechle	bool
1085217dd11eSRalf Baechle
1086229f773eSAtsushi Nemotoconfig CEVT_TXX9
1087229f773eSAtsushi Nemoto	bool
1088229f773eSAtsushi Nemoto
1089217dd11eSRalf Baechleconfig CSRC_BCM1480
1090217dd11eSRalf Baechle	bool
1091217dd11eSRalf Baechle
10924247417dSYoichi Yuasaconfig CSRC_IOASIC
10934247417dSYoichi Yuasa	bool
10944247417dSYoichi Yuasa
1095940f6b48SRalf Baechleconfig CSRC_R4K
1096940f6b48SRalf Baechle	bool
1097940f6b48SRalf Baechle
1098217dd11eSRalf Baechleconfig CSRC_SB1250
1099217dd11eSRalf Baechle	bool
1100217dd11eSRalf Baechle
1101a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1102a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1103a7f4df4eSAlex Smith
1104a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1105d30a2b47SLinus Walleij	select GPIOLIB
1106a9aec7feSAtsushi Nemoto	bool
1107a9aec7feSAtsushi Nemoto
11080e2794b0SRalf Baechleconfig FW_CFE
1109df78b5c8SAurelien Jarno	bool
1110df78b5c8SAurelien Jarno
111140e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
111240e084a5SRalf Baechle	bool
111340e084a5SRalf Baechle
1114885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1115f3ecc0ffSChristoph Hellwig	select ARCH_HAS_DMA_COHERENCE_H
1116885014bcSFelix Fietkau	select DMA_NONCOHERENT
1117885014bcSFelix Fietkau	bool
1118885014bcSFelix Fietkau
111920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
112020d33064SPaul Burton	bool
11215748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
112220d33064SPaul Burton
11231da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11241da177e4SLinus Torvalds	bool
112558b04406SChristoph Hellwig	select ARCH_HAS_DMA_MMAP_PGPROT
1126f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1127f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU
1128e1e02b32SFUJITA Tomonori	select NEED_DMA_MAP_STATE
112958b04406SChristoph Hellwig	select ARCH_HAS_DMA_COHERENT_TO_PFN
1130f8c55dc6SChristoph Hellwig	select DMA_NONCOHERENT_CACHE_SYNC
11314ce588cdSRalf Baechle
113236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11331da177e4SLinus Torvalds	bool
11341da177e4SLinus Torvalds
11351b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1136dbb74540SRalf Baechle	bool
1137dbb74540SRalf Baechle
11381da177e4SLinus Torvaldsconfig MIPS_BONITO64
11391da177e4SLinus Torvalds	bool
11401da177e4SLinus Torvalds
11411da177e4SLinus Torvaldsconfig MIPS_MSC
11421da177e4SLinus Torvalds	bool
11431da177e4SLinus Torvalds
11441f21d2bdSBrian Murphyconfig MIPS_NILE4
11451f21d2bdSBrian Murphy	bool
11461f21d2bdSBrian Murphy
114739b8d525SRalf Baechleconfig SYNC_R4K
114839b8d525SRalf Baechle	bool
114939b8d525SRalf Baechle
1150487d70d0SGabor Juhosconfig MIPS_MACHINE
1151487d70d0SGabor Juhos	def_bool n
1152487d70d0SGabor Juhos
1153ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1154d388d685SMaciej W. Rozycki	def_bool n
1155d388d685SMaciej W. Rozycki
11564e0748f5SMarkos Chandrasconfig GENERIC_CSUM
11574e0748f5SMarkos Chandras	bool
1158932afdeeSYasha Cherikovsky	default y if !CPU_HAS_LOAD_STORE_LR
11594e0748f5SMarkos Chandras
11608313da30SRalf Baechleconfig GENERIC_ISA_DMA
11618313da30SRalf Baechle	bool
11628313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1163a35bee8aSNamhyung Kim	select ISA_DMA_API
11648313da30SRalf Baechle
1165aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1166aa414dffSRalf Baechle	bool
11678313da30SRalf Baechle	select GENERIC_ISA_DMA
1168aa414dffSRalf Baechle
1169a35bee8aSNamhyung Kimconfig ISA_DMA_API
1170a35bee8aSNamhyung Kim	bool
1171a35bee8aSNamhyung Kim
1172465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1173465aaed0SDavid Daney	bool
1174465aaed0SDavid Daney
11758c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
11768c530ea3SMatt Redfearn	bool
11778c530ea3SMatt Redfearn	help
11788c530ea3SMatt Redfearn	 Selected if the platform supports relocating the kernel.
11798c530ea3SMatt Redfearn	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
11808c530ea3SMatt Redfearn	 to allow access to command line and entropy sources.
11818c530ea3SMatt Redfearn
1182f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT
1183f381bf6dSDavid Daney	def_bool y
1184f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_CBPF_JIT
1185f381bf6dSDavid Daney
1186f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT
1187f381bf6dSDavid Daney	def_bool y
1188f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_EBPF_JIT
1189f381bf6dSDavid Daney
1190f381bf6dSDavid Daney
11915e83d430SRalf Baechle#
11926b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
11935e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
11945e83d430SRalf Baechle# choice statement should be more obvious to the user.
11955e83d430SRalf Baechle#
11965e83d430SRalf Baechlechoice
11976b2aac42SMasanari Iida	prompt "Endianness selection"
11981da177e4SLinus Torvalds	help
11991da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
12005e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
12013cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
12025e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
12033dde6ad8SDavid Sterba	  one or the other endianness.
12045e83d430SRalf Baechle
12055e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
12065e83d430SRalf Baechle	bool "Big endian"
12075e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
12085e83d430SRalf Baechle
12095e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
12105e83d430SRalf Baechle	bool "Little endian"
12115e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
12125e83d430SRalf Baechle
12135e83d430SRalf Baechleendchoice
12145e83d430SRalf Baechle
121522b0763aSDavid Daneyconfig EXPORT_UASM
121622b0763aSDavid Daney	bool
121722b0763aSDavid Daney
12182116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
12192116245eSRalf Baechle	bool
12202116245eSRalf Baechle
12215e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
12225e83d430SRalf Baechle	bool
12235e83d430SRalf Baechle
12245e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12255e83d430SRalf Baechle	bool
12261da177e4SLinus Torvalds
12279cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
12289cffd154SDavid Daney	bool
12299cffd154SDavid Daney	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
12309cffd154SDavid Daney	default y
12319cffd154SDavid Daney
1232aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1233aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1234aa1762f4SDavid Daney
12351da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
12361da177e4SLinus Torvalds	bool
12371da177e4SLinus Torvalds
12389267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12399267a30dSMarc St-Jean	bool
12409267a30dSMarc St-Jean
12419267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12429267a30dSMarc St-Jean	bool
12439267a30dSMarc St-Jean
12448420fd00SAtsushi Nemotoconfig IRQ_TXX9
12458420fd00SAtsushi Nemoto	bool
12468420fd00SAtsushi Nemoto
1247d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1248d5ab1a69SYoichi Yuasa	bool
1249d5ab1a69SYoichi Yuasa
1250252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12511da177e4SLinus Torvalds	bool
12521da177e4SLinus Torvalds
12539267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12549267a30dSMarc St-Jean	bool
12559267a30dSMarc St-Jean
1256a83860c2SRalf Baechleconfig SOC_EMMA2RH
1257a83860c2SRalf Baechle	bool
1258a83860c2SRalf Baechle	select CEVT_R4K
1259a83860c2SRalf Baechle	select CSRC_R4K
1260a83860c2SRalf Baechle	select DMA_NONCOHERENT
126167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1262a83860c2SRalf Baechle	select SWAP_IO_SPACE
1263a83860c2SRalf Baechle	select SYS_HAS_CPU_R5500
1264a83860c2SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
1265a83860c2SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
1266a83860c2SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
1267a83860c2SRalf Baechle
1268edb6310aSDaniel Lairdconfig SOC_PNX833X
1269edb6310aSDaniel Laird	bool
1270edb6310aSDaniel Laird	select CEVT_R4K
1271edb6310aSDaniel Laird	select CSRC_R4K
127267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1273edb6310aSDaniel Laird	select DMA_NONCOHERENT
1274edb6310aSDaniel Laird	select SYS_HAS_CPU_MIPS32_R2
1275edb6310aSDaniel Laird	select SYS_SUPPORTS_32BIT_KERNEL
1276edb6310aSDaniel Laird	select SYS_SUPPORTS_LITTLE_ENDIAN
1277edb6310aSDaniel Laird	select SYS_SUPPORTS_BIG_ENDIAN
1278377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1279edb6310aSDaniel Laird	select CPU_MIPSR2_IRQ_VI
1280edb6310aSDaniel Laird
1281edb6310aSDaniel Lairdconfig SOC_PNX8335
1282edb6310aSDaniel Laird	bool
1283edb6310aSDaniel Laird	select SOC_PNX833X
1284edb6310aSDaniel Laird
1285a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1286a7e07b1aSMarkos Chandras	bool
1287a7e07b1aSMarkos Chandras
12881da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12891da177e4SLinus Torvalds	bool
12901da177e4SLinus Torvalds
1291e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1292e2defae5SThomas Bogendoerfer	bool
1293e2defae5SThomas Bogendoerfer
12945b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12955b438c44SThomas Bogendoerfer	bool
12965b438c44SThomas Bogendoerfer
1297e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1298e2defae5SThomas Bogendoerfer	bool
1299e2defae5SThomas Bogendoerfer
1300e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1301e2defae5SThomas Bogendoerfer	bool
1302e2defae5SThomas Bogendoerfer
1303e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1304e2defae5SThomas Bogendoerfer	bool
1305e2defae5SThomas Bogendoerfer
1306e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1307e2defae5SThomas Bogendoerfer	bool
1308e2defae5SThomas Bogendoerfer
1309e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1310e2defae5SThomas Bogendoerfer	bool
1311e2defae5SThomas Bogendoerfer
13120e2794b0SRalf Baechleconfig FW_ARC32
13135e83d430SRalf Baechle	bool
13145e83d430SRalf Baechle
1315aaa9fad3SPaul Bolleconfig FW_SNIPROM
1316231a35d3SThomas Bogendoerfer	bool
1317231a35d3SThomas Bogendoerfer
13181da177e4SLinus Torvaldsconfig BOOT_ELF32
13191da177e4SLinus Torvalds	bool
13201da177e4SLinus Torvalds
1321930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1322930beb5aSFlorian Fainelli	bool
1323930beb5aSFlorian Fainelli
1324930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1325930beb5aSFlorian Fainelli	bool
1326930beb5aSFlorian Fainelli
1327930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1328930beb5aSFlorian Fainelli	bool
1329930beb5aSFlorian Fainelli
1330930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1331930beb5aSFlorian Fainelli	bool
1332930beb5aSFlorian Fainelli
13331da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
13341da177e4SLinus Torvalds	int
1335a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
13365432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
13375432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
13385432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
13391da177e4SLinus Torvalds	default "5"
13401da177e4SLinus Torvalds
13411da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT
13421da177e4SLinus Torvalds	bool
13431da177e4SLinus Torvalds
13441da177e4SLinus Torvaldsconfig ARC_CONSOLE
13451da177e4SLinus Torvalds	bool "ARC console support"
1346e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
13471da177e4SLinus Torvalds
13481da177e4SLinus Torvaldsconfig ARC_MEMORY
13491da177e4SLinus Torvalds	bool
135014b36af4SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP32
13511da177e4SLinus Torvalds	default y
13521da177e4SLinus Torvalds
13531da177e4SLinus Torvaldsconfig ARC_PROMLIB
13541da177e4SLinus Torvalds	bool
1355e2defae5SThomas Bogendoerfer	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
13561da177e4SLinus Torvalds	default y
13571da177e4SLinus Torvalds
13580e2794b0SRalf Baechleconfig FW_ARC64
13591da177e4SLinus Torvalds	bool
13601da177e4SLinus Torvalds
13611da177e4SLinus Torvaldsconfig BOOT_ELF64
13621da177e4SLinus Torvalds	bool
13631da177e4SLinus Torvalds
13641da177e4SLinus Torvaldsmenu "CPU selection"
13651da177e4SLinus Torvalds
13661da177e4SLinus Torvaldschoice
13671da177e4SLinus Torvalds	prompt "CPU type"
13681da177e4SLinus Torvalds	default CPU_R4X00
13691da177e4SLinus Torvalds
13700e476d91SHuacai Chenconfig CPU_LOONGSON3
13710e476d91SHuacai Chen	bool "Loongson 3 CPU"
13720e476d91SHuacai Chen	depends on SYS_HAS_CPU_LOONGSON3
1373d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
13740e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13750e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13760e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
1377932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
13780e476d91SHuacai Chen	select WEAK_ORDERING
13790e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
1380b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
138117c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
1382d30a2b47SLinus Walleij	select GPIOLIB
138309230cbcSChristoph Hellwig	select SWIOTLB
13840e476d91SHuacai Chen	help
13850e476d91SHuacai Chen		The Loongson 3 processor implements the MIPS64R2 instruction
13860e476d91SHuacai Chen		set with many extensions.
13870e476d91SHuacai Chen
13881e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT
13891e820da3SHuacai Chen	bool "New Loongson 3 CPU Enhancements"
13901e820da3SHuacai Chen	default n
13911e820da3SHuacai Chen	select CPU_MIPSR2
13921e820da3SHuacai Chen	select CPU_HAS_PREFETCH
13931e820da3SHuacai Chen	depends on CPU_LOONGSON3
13941e820da3SHuacai Chen	help
13951e820da3SHuacai Chen	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
13961e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
13971e820da3SHuacai Chen	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
13981e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
13991e820da3SHuacai Chen	  Fast TLB refill support, etc.
14001e820da3SHuacai Chen
14011e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
14021e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
14031e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
14041e820da3SHuacai Chen	  new Loongson 3 machines only, please say 'Y' here.
14051e820da3SHuacai Chen
14063702bba5SWu Zhangjinconfig CPU_LOONGSON2E
14073702bba5SWu Zhangjin	bool "Loongson 2E"
14083702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
14093702bba5SWu Zhangjin	select CPU_LOONGSON2
14102a21c730SFuxin Zhang	help
14112a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
14122a21c730SFuxin Zhang	  with many extensions.
14132a21c730SFuxin Zhang
141425985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
14156f7a251aSWu Zhangjin	  bonito64.
14166f7a251aSWu Zhangjin
14176f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
14186f7a251aSWu Zhangjin	bool "Loongson 2F"
14196f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
14206f7a251aSWu Zhangjin	select CPU_LOONGSON2
1421d30a2b47SLinus Walleij	select GPIOLIB
14226f7a251aSWu Zhangjin	help
14236f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
14246f7a251aSWu Zhangjin	  with many extensions.
14256f7a251aSWu Zhangjin
14266f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
14276f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
14286f7a251aSWu Zhangjin	  Loongson2E.
14296f7a251aSWu Zhangjin
1430ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1431ca585cf9SKelvin Cheung	bool "Loongson 1B"
1432ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1433ca585cf9SKelvin Cheung	select CPU_LOONGSON1
14349ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1435ca585cf9SKelvin Cheung	help
1436ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1437968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1438968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1439ca585cf9SKelvin Cheung
144012e3280bSYang Lingconfig CPU_LOONGSON1C
144112e3280bSYang Ling	bool "Loongson 1C"
144212e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
144312e3280bSYang Ling	select CPU_LOONGSON1
144412e3280bSYang Ling	select LEDS_GPIO_REGISTER
144512e3280bSYang Ling	help
144612e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1447968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1448968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
144912e3280bSYang Ling
14506e760c8dSRalf Baechleconfig CPU_MIPS32_R1
14516e760c8dSRalf Baechle	bool "MIPS32 Release 1"
14527cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
14536e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1454932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1455797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1456ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14576e760c8dSRalf Baechle	help
14585e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14591e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14601e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14611e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14621e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14631e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
14641e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
14651e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
14661e5f1caaSRalf Baechle	  performance.
14671e5f1caaSRalf Baechle
14681e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
14691e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
14707cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
14711e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1472932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1473797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1474ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1475a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
14762235a54dSSanjay Lal	select HAVE_KVM
14771e5f1caaSRalf Baechle	help
14785e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
14796e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14806e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14816e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14826e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14831da177e4SLinus Torvalds
14847fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1485674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
14867fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
14877fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
14887fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
14897fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
14907fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
14917fd08ca5SLeonid Yegoshin	select HAVE_KVM
14927fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
14937fd08ca5SLeonid Yegoshin	help
14947fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
14957fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
14967fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
14977fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
14987fd08ca5SLeonid Yegoshin
14996e760c8dSRalf Baechleconfig CPU_MIPS64_R1
15006e760c8dSRalf Baechle	bool "MIPS64 Release 1"
15017cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1502797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1503932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1504ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1505ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1506ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15079cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
15086e760c8dSRalf Baechle	help
15096e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15106e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15116e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15126e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15136e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15141e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
15151e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
15161e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
15171e5f1caaSRalf Baechle	  performance.
15181e5f1caaSRalf Baechle
15191e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15201e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15217cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1522797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1523932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15241e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15251e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1526ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15279cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1528a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
152940a2df49SJames Hogan	select HAVE_KVM
15301e5f1caaSRalf Baechle	help
15311e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15321e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15331e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15341e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15351e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15361da177e4SLinus Torvalds
15377fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1538674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
15397fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
15407fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
15417fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15427fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
15437fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
15447fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15452e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
154640a2df49SJames Hogan	select HAVE_KVM
15477fd08ca5SLeonid Yegoshin	help
15487fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15497fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
15507fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
15517fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
15527fd08ca5SLeonid Yegoshin
15531da177e4SLinus Torvaldsconfig CPU_R3000
15541da177e4SLinus Torvalds	bool "R3000"
15557cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1556f7062ddbSRalf Baechle	select CPU_HAS_WB
1557932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1558ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1559797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15601da177e4SLinus Torvalds	help
15611da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
15621da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
15631da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
15641da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
15651da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
15661da177e4SLinus Torvalds	  try to recompile with R3000.
15671da177e4SLinus Torvalds
15681da177e4SLinus Torvaldsconfig CPU_TX39XX
15691da177e4SLinus Torvalds	bool "R39XX"
15707cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1571ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1572932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15731da177e4SLinus Torvalds
15741da177e4SLinus Torvaldsconfig CPU_VR41XX
15751da177e4SLinus Torvalds	bool "R41xx"
15767cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1577ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1578ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1579932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15801da177e4SLinus Torvalds	help
15815e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
15821da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
15831da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
15841da177e4SLinus Torvalds	  processor or vice versa.
15851da177e4SLinus Torvalds
15861da177e4SLinus Torvaldsconfig CPU_R4300
15871da177e4SLinus Torvalds	bool "R4300"
15887cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4300
1589ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1590ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1591932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15921da177e4SLinus Torvalds	help
15931da177e4SLinus Torvalds	  MIPS Technologies R4300-series processors.
15941da177e4SLinus Torvalds
15951da177e4SLinus Torvaldsconfig CPU_R4X00
15961da177e4SLinus Torvalds	bool "R4x00"
15977cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1598ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1599ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1600970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1601932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16021da177e4SLinus Torvalds	help
16031da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16041da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16051da177e4SLinus Torvalds
16061da177e4SLinus Torvaldsconfig CPU_TX49XX
16071da177e4SLinus Torvalds	bool "R49XX"
16087cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1609de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1610932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1611ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1612ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1613970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16141da177e4SLinus Torvalds
16151da177e4SLinus Torvaldsconfig CPU_R5000
16161da177e4SLinus Torvalds	bool "R5000"
16177cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1618ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1619ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1620970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1621932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16221da177e4SLinus Torvalds	help
16231da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16241da177e4SLinus Torvalds
16251da177e4SLinus Torvaldsconfig CPU_R5432
16261da177e4SLinus Torvalds	bool "R5432"
16277cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5432
16285e83d430SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
16295e83d430SRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1630970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1631932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16321da177e4SLinus Torvalds
1633542c1020SShinya Kuribayashiconfig CPU_R5500
1634542c1020SShinya Kuribayashi	bool "R5500"
1635542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1636542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1637542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
16389cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1639932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1640542c1020SShinya Kuribayashi	help
1641542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1642542c1020SShinya Kuribayashi	  instruction set.
1643542c1020SShinya Kuribayashi
16441da177e4SLinus Torvaldsconfig CPU_NEVADA
16451da177e4SLinus Torvalds	bool "RM52xx"
16467cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1647ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1648ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1649970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1650932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16511da177e4SLinus Torvalds	help
16521da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
16531da177e4SLinus Torvalds
16541da177e4SLinus Torvaldsconfig CPU_R8000
16551da177e4SLinus Torvalds	bool "R8000"
16567cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R8000
16575e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1658932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1659ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
16601da177e4SLinus Torvalds	help
16611da177e4SLinus Torvalds	  MIPS Technologies R8000 processors.  Note these processors are
16621da177e4SLinus Torvalds	  uncommon and the support for them is incomplete.
16631da177e4SLinus Torvalds
16641da177e4SLinus Torvaldsconfig CPU_R10000
16651da177e4SLinus Torvalds	bool "R10000"
16667cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
16675e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1668932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1669ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1670ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1671797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1672970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16731da177e4SLinus Torvalds	help
16741da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
16751da177e4SLinus Torvalds
16761da177e4SLinus Torvaldsconfig CPU_RM7000
16771da177e4SLinus Torvalds	bool "RM7000"
16787cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
16795e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1680932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1681ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1682ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1683797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1684970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16851da177e4SLinus Torvalds
16861da177e4SLinus Torvaldsconfig CPU_SB1
16871da177e4SLinus Torvalds	bool "SB1"
16887cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1689932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1690ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1691ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1692797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1693970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16940004a9dfSRalf Baechle	select WEAK_ORDERING
16951da177e4SLinus Torvalds
1696a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1697a86c7f72SDavid Daney	bool "Cavium Octeon processor"
16985e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1699a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1700932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1701a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1702a86c7f72SDavid Daney	select WEAK_ORDERING
1703a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17049cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1705df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1706df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1707930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17080ae3abcdSJames Hogan	select HAVE_KVM
1709a86c7f72SDavid Daney	help
1710a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1711a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1712a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1713a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1714a86c7f72SDavid Daney
1715cd746249SJonas Gorskiconfig CPU_BMIPS
1716cd746249SJonas Gorski	bool "Broadcom BMIPS"
1717cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1718cd746249SJonas Gorski	select CPU_MIPS32
1719fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1720cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1721cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1722cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1723cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1724cd746249SJonas Gorski	select DMA_NONCOHERENT
172567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1726cd746249SJonas Gorski	select SWAP_IO_SPACE
1727cd746249SJonas Gorski	select WEAK_ORDERING
1728c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
172969aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1730932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1731a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1732a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1733c1c0c461SKevin Cernekee	help
1734fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1735c1c0c461SKevin Cernekee
17367f058e85SJayachandran Cconfig CPU_XLR
17377f058e85SJayachandran C	bool "Netlogic XLR SoC"
17387f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
1739932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
17407f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17417f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
17427f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1743970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17447f058e85SJayachandran C	select WEAK_ORDERING
17457f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
17467f058e85SJayachandran C	help
17477f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
17481c773ea4SJayachandran C
17491c773ea4SJayachandran Cconfig CPU_XLP
17501c773ea4SJayachandran C	bool "Netlogic XLP SoC"
17511c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
17521c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17531c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
17541c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
17551c773ea4SJayachandran C	select WEAK_ORDERING
17561c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
17571c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1758932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1759d6504846SJayachandran C	select CPU_MIPSR2
1760ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
17612db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
17621c773ea4SJayachandran C	help
17631c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
17641da177e4SLinus Torvaldsendchoice
17651da177e4SLinus Torvalds
1766a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1767a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1768a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
17697fd08ca5SLeonid Yegoshin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1770a6e18781SLeonid Yegoshin	help
1771a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1772a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1773a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1774a6e18781SLeonid Yegoshin
1775a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1776a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1777a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1778a6e18781SLeonid Yegoshin	select EVA
1779a6e18781SLeonid Yegoshin	default y
1780a6e18781SLeonid Yegoshin	help
1781a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1782a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1783a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1784a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1785a6e18781SLeonid Yegoshin
1786c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1787c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1788c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1789c5b36783SSteven J. Hill	depends on CPU_MIPS32_R2
1790c5b36783SSteven J. Hill	help
1791c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1792c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1793c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1794c5b36783SSteven J. Hill
1795c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1796c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1797c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1798c5b36783SSteven J. Hill	depends on !EVA
1799c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1800c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1801c5b36783SSteven J. Hill	select XPA
1802c5b36783SSteven J. Hill	select HIGHMEM
1803d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1804c5b36783SSteven J. Hill	default n
1805c5b36783SSteven J. Hill	help
1806c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1807c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1808c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1809c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1810c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1811c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1812c5b36783SSteven J. Hill
1813622844bfSWu Zhangjinif CPU_LOONGSON2F
1814622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1815622844bfSWu Zhangjin	bool
1816622844bfSWu Zhangjin
1817622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1818622844bfSWu Zhangjin	bool
1819622844bfSWu Zhangjin
1820622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1821622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1822622844bfSWu Zhangjin	default y
1823622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1824622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1825622844bfSWu Zhangjin	help
1826622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1827622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1828622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1829622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1830622844bfSWu Zhangjin
1831622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1832622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1833622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1834622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1835622844bfSWu Zhangjin	  systems.
1836622844bfSWu Zhangjin
1837622844bfSWu Zhangjin	  If unsure, please say Y.
1838622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1839622844bfSWu Zhangjin
18401b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18411b93b3c3SWu Zhangjin	bool
18421b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18431b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
184431c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18451b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1846fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18474e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
18481b93b3c3SWu Zhangjin
18491b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18501b93b3c3SWu Zhangjin	bool
18511b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18521b93b3c3SWu Zhangjin
1853dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1854dbb98314SAlban Bedel	bool
1855dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1856dbb98314SAlban Bedel
18573702bba5SWu Zhangjinconfig CPU_LOONGSON2
18583702bba5SWu Zhangjin	bool
18593702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
18603702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
18613702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1862970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1863e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
1864932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
18653702bba5SWu Zhangjin
1866ca585cf9SKelvin Cheungconfig CPU_LOONGSON1
1867ca585cf9SKelvin Cheung	bool
1868ca585cf9SKelvin Cheung	select CPU_MIPS32
1869968dc5a0S谢致邦 (XIE Zhibang)	select CPU_MIPSR1
1870ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1871932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1872ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1873ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1874f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1875ca585cf9SKelvin Cheung
1876fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
187704fa8bf7SJonas Gorski	select SMP_UP if SMP
18781bbb6c1bSKevin Cernekee	bool
1879cd746249SJonas Gorski
1880cd746249SJonas Gorskiconfig CPU_BMIPS4350
1881cd746249SJonas Gorski	bool
1882cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1883cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1884cd746249SJonas Gorski
1885cd746249SJonas Gorskiconfig CPU_BMIPS4380
1886cd746249SJonas Gorski	bool
1887bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1888cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1889cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1890b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1891cd746249SJonas Gorski
1892cd746249SJonas Gorskiconfig CPU_BMIPS5000
1893cd746249SJonas Gorski	bool
1894cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1895bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1896cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1897cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1898b4720809SFlorian Fainelli	select CPU_HAS_RIXI
18991bbb6c1bSKevin Cernekee
19000e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3
19010e476d91SHuacai Chen	bool
19020e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1903b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19040e476d91SHuacai Chen
19053702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19062a21c730SFuxin Zhang	bool
19072a21c730SFuxin Zhang
19086f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19096f7a251aSWu Zhangjin	bool
191055045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
191155045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
191222f1fdfdSWu Zhangjin	select CPU_SUPPORTS_UNCACHED_ACCELERATED
19136f7a251aSWu Zhangjin
1914ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1915ca585cf9SKelvin Cheung	bool
1916ca585cf9SKelvin Cheung
191712e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
191812e3280bSYang Ling	bool
191912e3280bSYang Ling
19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
19217cf8053bSRalf Baechle	bool
19227cf8053bSRalf Baechle
19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
19247cf8053bSRalf Baechle	bool
19257cf8053bSRalf Baechle
1926a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1927a6e18781SLeonid Yegoshin	bool
1928a6e18781SLeonid Yegoshin
1929c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1930c5b36783SSteven J. Hill	bool
1931c5b36783SSteven J. Hill
19327fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
19337fd08ca5SLeonid Yegoshin	bool
19347fd08ca5SLeonid Yegoshin
19357cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
19367cf8053bSRalf Baechle	bool
19377cf8053bSRalf Baechle
19387cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19397cf8053bSRalf Baechle	bool
19407cf8053bSRalf Baechle
19417fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19427fd08ca5SLeonid Yegoshin	bool
19437fd08ca5SLeonid Yegoshin
19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19457cf8053bSRalf Baechle	bool
19467cf8053bSRalf Baechle
19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19487cf8053bSRalf Baechle	bool
19497cf8053bSRalf Baechle
19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19517cf8053bSRalf Baechle	bool
19527cf8053bSRalf Baechle
19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300
19547cf8053bSRalf Baechle	bool
19557cf8053bSRalf Baechle
19567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
19577cf8053bSRalf Baechle	bool
19587cf8053bSRalf Baechle
19597cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
19607cf8053bSRalf Baechle	bool
19617cf8053bSRalf Baechle
19627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
19637cf8053bSRalf Baechle	bool
19647cf8053bSRalf Baechle
19657cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432
19667cf8053bSRalf Baechle	bool
19677cf8053bSRalf Baechle
1968542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1969542c1020SShinya Kuribayashi	bool
1970542c1020SShinya Kuribayashi
19717cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
19727cf8053bSRalf Baechle	bool
19737cf8053bSRalf Baechle
19747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000
19757cf8053bSRalf Baechle	bool
19767cf8053bSRalf Baechle
19777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
19787cf8053bSRalf Baechle	bool
19797cf8053bSRalf Baechle
19807cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
19817cf8053bSRalf Baechle	bool
19827cf8053bSRalf Baechle
19837cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
19847cf8053bSRalf Baechle	bool
19857cf8053bSRalf Baechle
19865e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
19875e683389SDavid Daney	bool
19885e683389SDavid Daney
1989cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1990c1c0c461SKevin Cernekee	bool
1991c1c0c461SKevin Cernekee
1992fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1993c1c0c461SKevin Cernekee	bool
1994cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1995c1c0c461SKevin Cernekee
1996c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
1997c1c0c461SKevin Cernekee	bool
1998cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1999c1c0c461SKevin Cernekee
2000c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
2001c1c0c461SKevin Cernekee	bool
2002cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2003c1c0c461SKevin Cernekee
2004c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2005c1c0c461SKevin Cernekee	bool
2006cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2007c1c0c461SKevin Cernekee
20087f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20097f058e85SJayachandran C	bool
20107f058e85SJayachandran C
20111c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20121c773ea4SJayachandran C	bool
20131c773ea4SJayachandran C
201417099b11SRalf Baechle#
201517099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
201617099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
201717099b11SRalf Baechle#
20180004a9dfSRalf Baechleconfig WEAK_ORDERING
20190004a9dfSRalf Baechle	bool
202017099b11SRalf Baechle
202117099b11SRalf Baechle#
202217099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
202317099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
202417099b11SRalf Baechle#
202517099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
202617099b11SRalf Baechle	bool
20275e83d430SRalf Baechleendmenu
20285e83d430SRalf Baechle
20295e83d430SRalf Baechle#
20305e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
20315e83d430SRalf Baechle#
20325e83d430SRalf Baechleconfig CPU_MIPS32
20335e83d430SRalf Baechle	bool
20347fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
20355e83d430SRalf Baechle
20365e83d430SRalf Baechleconfig CPU_MIPS64
20375e83d430SRalf Baechle	bool
20387fd08ca5SLeonid Yegoshin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
20395e83d430SRalf Baechle
20405e83d430SRalf Baechle#
204157eeacedSPaul Burton# These indicate the revision of the architecture
20425e83d430SRalf Baechle#
20435e83d430SRalf Baechleconfig CPU_MIPSR1
20445e83d430SRalf Baechle	bool
20455e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20465e83d430SRalf Baechle
20475e83d430SRalf Baechleconfig CPU_MIPSR2
20485e83d430SRalf Baechle	bool
2049a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20508256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2051a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20525e83d430SRalf Baechle
20537fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20547fd08ca5SLeonid Yegoshin	bool
20557fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20568256b17eSFlorian Fainelli	select CPU_HAS_RIXI
205787321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
20582db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
20594a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2060a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20615e83d430SRalf Baechle
206257eeacedSPaul Burtonconfig TARGET_ISA_REV
206357eeacedSPaul Burton	int
206457eeacedSPaul Burton	default 1 if CPU_MIPSR1
206557eeacedSPaul Burton	default 2 if CPU_MIPSR2
206657eeacedSPaul Burton	default 6 if CPU_MIPSR6
206757eeacedSPaul Burton	default 0
206857eeacedSPaul Burton	help
206957eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
207057eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
207157eeacedSPaul Burton
2072a6e18781SLeonid Yegoshinconfig EVA
2073a6e18781SLeonid Yegoshin	bool
2074a6e18781SLeonid Yegoshin
2075c5b36783SSteven J. Hillconfig XPA
2076c5b36783SSteven J. Hill	bool
2077c5b36783SSteven J. Hill
20785e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
20795e83d430SRalf Baechle	bool
20805e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
20815e83d430SRalf Baechle	bool
20825e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
20835e83d430SRalf Baechle	bool
20845e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
20855e83d430SRalf Baechle	bool
208655045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
208755045ff5SWu Zhangjin	bool
208855045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
208955045ff5SWu Zhangjin	bool
20909cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
20919cffd154SDavid Daney	bool
209222f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED
209322f1fdfdSWu Zhangjin	bool
209482622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
209582622284SDavid Daney	bool
2096cebf8c0fSPaul Burton	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
20975e83d430SRalf Baechle
20988192c9eaSDavid Daney#
20998192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
21008192c9eaSDavid Daney#
21018192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
21028192c9eaSDavid Daney       bool
2103679eb637SJames Hogan       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
21048192c9eaSDavid Daney
21055e83d430SRalf Baechlemenu "Kernel type"
21065e83d430SRalf Baechle
21075e83d430SRalf Baechlechoice
21085e83d430SRalf Baechle	prompt "Kernel code model"
21095e83d430SRalf Baechle	help
21105e83d430SRalf Baechle	  You should only select this option if you have a workload that
21115e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
21125e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
21135e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
21145e83d430SRalf Baechle
21155e83d430SRalf Baechleconfig 32BIT
21165e83d430SRalf Baechle	bool "32-bit kernel"
21175e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
21185e83d430SRalf Baechle	select TRAD_SIGNALS
21195e83d430SRalf Baechle	help
21205e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2121f17c4ca3SRalf Baechle
21225e83d430SRalf Baechleconfig 64BIT
21235e83d430SRalf Baechle	bool "64-bit kernel"
21245e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21255e83d430SRalf Baechle	help
21265e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21275e83d430SRalf Baechle
21285e83d430SRalf Baechleendchoice
21295e83d430SRalf Baechle
21302235a54dSSanjay Lalconfig KVM_GUEST
21312235a54dSSanjay Lal	bool "KVM Guest Kernel"
2132f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
21332235a54dSSanjay Lal	help
2134caa1faa7SJames Hogan	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2135caa1faa7SJames Hogan	  mode.
21362235a54dSSanjay Lal
2137eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
2138eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
21392235a54dSSanjay Lal	depends on KVM_GUEST
2140eda3d33cSJames Hogan	default 100
21412235a54dSSanjay Lal	help
2142eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2143eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
2144eda3d33cSJames Hogan	  timer frequency is specified directly.
21452235a54dSSanjay Lal
21461e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21471e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21481e321fa9SLeonid Yegoshin	depends on 64BIT
21491e321fa9SLeonid Yegoshin	help
21503377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21513377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21523377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21533377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21543377e227SAlex Belits	  level of page tables is added which imposes both a memory
21553377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21563377e227SAlex Belits
21571e321fa9SLeonid Yegoshin	  If unsure, say N.
21581e321fa9SLeonid Yegoshin
21591da177e4SLinus Torvaldschoice
21601da177e4SLinus Torvalds	prompt "Kernel page size"
21611da177e4SLinus Torvalds	default PAGE_SIZE_4KB
21621da177e4SLinus Torvalds
21631da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
21641da177e4SLinus Torvalds	bool "4kB"
21650e476d91SHuacai Chen	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
21661da177e4SLinus Torvalds	help
21671da177e4SLinus Torvalds	 This option select the standard 4kB Linux page size.  On some
21681da177e4SLinus Torvalds	 R3000-family processors this is the only available page size.  Using
21691da177e4SLinus Torvalds	 4kB page size will minimize memory consumption and is therefore
21701da177e4SLinus Torvalds	 recommended for low memory systems.
21711da177e4SLinus Torvalds
21721da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
21731da177e4SLinus Torvalds	bool "8kB"
21747d60717eSKees Cook	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
21751e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
21761da177e4SLinus Torvalds	help
21771da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
21781da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2179c52399beSRalf Baechle	  only on R8000 and cnMIPS processors.  Note that you will need a
2180c52399beSRalf Baechle	  suitable Linux distribution to support this.
21811da177e4SLinus Torvalds
21821da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
21831da177e4SLinus Torvalds	bool "16kB"
2184714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
21851da177e4SLinus Torvalds	help
21861da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
21871da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2188714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2189714bfad6SRalf Baechle	  Linux distribution to support this.
21901da177e4SLinus Torvalds
2191c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2192c52399beSRalf Baechle	bool "32kB"
2193c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
21941e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2195c52399beSRalf Baechle	help
2196c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2197c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2198c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2199c52399beSRalf Baechle	  distribution to support this.
2200c52399beSRalf Baechle
22011da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22021da177e4SLinus Torvalds	bool "64kB"
22033b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22041da177e4SLinus Torvalds	help
22051da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22061da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22071da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2208714bfad6SRalf Baechle	  writing this option is still high experimental.
22091da177e4SLinus Torvalds
22101da177e4SLinus Torvaldsendchoice
22111da177e4SLinus Torvalds
2212c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2213c9bace7cSDavid Daney	int "Maximum zone order"
2214e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2215e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2216e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2217e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2218e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2219e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2220c9bace7cSDavid Daney	range 11 64
2221c9bace7cSDavid Daney	default "11"
2222c9bace7cSDavid Daney	help
2223c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2224c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2225c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2226c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2227c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2228c9bace7cSDavid Daney	  increase this value.
2229c9bace7cSDavid Daney
2230c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2231c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2232c9bace7cSDavid Daney
2233c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2234c9bace7cSDavid Daney	  when choosing a value for this option.
2235c9bace7cSDavid Daney
22361da177e4SLinus Torvaldsconfig BOARD_SCACHE
22371da177e4SLinus Torvalds	bool
22381da177e4SLinus Torvalds
22391da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22401da177e4SLinus Torvalds	bool
22411da177e4SLinus Torvalds	select BOARD_SCACHE
22421da177e4SLinus Torvalds
22439318c51aSChris Dearman#
22449318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22459318c51aSChris Dearman#
22469318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22479318c51aSChris Dearman	bool
22489318c51aSChris Dearman	select BOARD_SCACHE
22499318c51aSChris Dearman
22501da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22511da177e4SLinus Torvalds	bool
22521da177e4SLinus Torvalds	select BOARD_SCACHE
22531da177e4SLinus Torvalds
22541da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22551da177e4SLinus Torvalds	bool
22561da177e4SLinus Torvalds	select BOARD_SCACHE
22571da177e4SLinus Torvalds
22581da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
22591da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
22601da177e4SLinus Torvalds	depends on CPU_SB1
22611da177e4SLinus Torvalds	help
22621da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
22631da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
22641da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
22651da177e4SLinus Torvalds
22661da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2267c8094b53SRalf Baechle	bool
22681da177e4SLinus Torvalds
22693165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
22703165c846SFlorian Fainelli	bool
22713b2db173SPaul Burton	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
22723165c846SFlorian Fainelli
2273c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2274183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2275183b40f9SPaul Burton	default y
2276183b40f9SPaul Burton	help
2277183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2278183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2279183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2280183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2281183b40f9SPaul Burton	  receive a SIGILL.
2282183b40f9SPaul Burton
2283183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2284183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2285183b40f9SPaul Burton
2286183b40f9SPaul Burton	  If unsure, say y.
2287c92e47e5SPaul Burton
228897f7dcbfSPaul Burtonconfig CPU_R2300_FPU
228997f7dcbfSPaul Burton	bool
2290c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
229197f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
229297f7dcbfSPaul Burton
229391405eb6SFlorian Fainelliconfig CPU_R4K_FPU
229491405eb6SFlorian Fainelli	bool
2295c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
229697f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
229791405eb6SFlorian Fainelli
229862cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
229962cedc4fSFlorian Fainelli	bool
230062cedc4fSFlorian Fainelli	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
230162cedc4fSFlorian Fainelli
230259d6ab86SRalf Baechleconfig MIPS_MT_SMP
2303a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23045cbf9688SPaul Burton	default y
2305527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
230659d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2307d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2308c080faa5SSteven J. Hill	select SYNC_R4K
230959d6ab86SRalf Baechle	select MIPS_MT
231059d6ab86SRalf Baechle	select SMP
231187353d8aSRalf Baechle	select SMP_UP
2312c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2313c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2314399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
231559d6ab86SRalf Baechle	help
2316c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2317c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2318c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2319c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2320c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
232159d6ab86SRalf Baechle
2322f41ae0b2SRalf Baechleconfig MIPS_MT
2323f41ae0b2SRalf Baechle	bool
2324f41ae0b2SRalf Baechle
23250ab7aefcSRalf Baechleconfig SCHED_SMT
23260ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
23270ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
23280ab7aefcSRalf Baechle	default n
23290ab7aefcSRalf Baechle	help
23300ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
23310ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
23320ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
23330ab7aefcSRalf Baechle
23340ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
23350ab7aefcSRalf Baechle	bool
23360ab7aefcSRalf Baechle
2337f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2338f41ae0b2SRalf Baechle	bool
2339f41ae0b2SRalf Baechle
2340f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2341f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2342f088fc84SRalf Baechle	default y
2343b633648cSRalf Baechle	depends on MIPS_MT_SMP
234407cc0c9eSRalf Baechle
2345b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2346b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23479eaa9a82SPaul Burton	depends on CPU_MIPSR6
2348c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2349b0a668fbSLeonid Yegoshin	default y
2350b0a668fbSLeonid Yegoshin	help
2351b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2352b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
235307edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2354b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2355b0a668fbSLeonid Yegoshin	  final kernel image.
2356b0a668fbSLeonid Yegoshin
2357f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2358f35764e7SJames Hogan	bool
2359f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2360f35764e7SJames Hogan	help
2361f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2362f35764e7SJames Hogan	  physical_memsize.
2363f35764e7SJames Hogan
236407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
236507cc0c9eSRalf Baechle	bool "VPE loader support."
2366f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
236707cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
236807cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
236907cc0c9eSRalf Baechle	select MIPS_MT
237007cc0c9eSRalf Baechle	help
237107cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
237207cc0c9eSRalf Baechle	  onto another VPE and running it.
2373f088fc84SRalf Baechle
237417a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
237517a1d523SDeng-Cheng Zhu	bool
237617a1d523SDeng-Cheng Zhu	default "y"
237717a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
237817a1d523SDeng-Cheng Zhu
23791a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
23801a2a6d7eSDeng-Cheng Zhu	bool
23811a2a6d7eSDeng-Cheng Zhu	default "y"
23821a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
23831a2a6d7eSDeng-Cheng Zhu
2384e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2385e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2386e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2387e01402b1SRalf Baechle	default y
2388e01402b1SRalf Baechle	help
2389e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2390e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2391e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2392e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2393e01402b1SRalf Baechle
2394e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2395e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2396e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2397e01402b1SRalf Baechle
2398da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2399da615cf6SDeng-Cheng Zhu	bool
2400da615cf6SDeng-Cheng Zhu	default "y"
2401da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2402da615cf6SDeng-Cheng Zhu
24032c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24042c973ef0SDeng-Cheng Zhu	bool
24052c973ef0SDeng-Cheng Zhu	default "y"
24062c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24072c973ef0SDeng-Cheng Zhu
24084a16ff4cSRalf Baechleconfig MIPS_CMP
24095cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24105676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2411b10b43baSMarkos Chandras	select SMP
2412eb9b5141STim Anderson	select SYNC_R4K
2413b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
24144a16ff4cSRalf Baechle	select WEAK_ORDERING
24154a16ff4cSRalf Baechle	default n
24164a16ff4cSRalf Baechle	help
2417044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2418044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2419044505c7SPaul Burton	  its ability to start secondary CPUs.
24204a16ff4cSRalf Baechle
24215cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
24225cac93b3SPaul Burton	  instead of this.
24235cac93b3SPaul Burton
24240ee958e1SPaul Burtonconfig MIPS_CPS
24250ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
24265a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
24270ee958e1SPaul Burton	select MIPS_CM
24281d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
24290ee958e1SPaul Burton	select SMP
24300ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
24311d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2432c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
24330ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
24340ee958e1SPaul Burton	select WEAK_ORDERING
24350ee958e1SPaul Burton	help
24360ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24370ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24380ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24390ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24400ee958e1SPaul Burton	  support is unavailable.
24410ee958e1SPaul Burton
24423179d37eSPaul Burtonconfig MIPS_CPS_PM
244339a59593SMarkos Chandras	depends on MIPS_CPS
24443179d37eSPaul Burton	bool
24453179d37eSPaul Burton
24469f98f3ddSPaul Burtonconfig MIPS_CM
24479f98f3ddSPaul Burton	bool
24483c9b4166SPaul Burton	select MIPS_CPC
24499f98f3ddSPaul Burton
24509c38cf44SPaul Burtonconfig MIPS_CPC
24519c38cf44SPaul Burton	bool
24522600990eSRalf Baechle
24531da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24541da177e4SLinus Torvalds	bool
24551da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
24561da177e4SLinus Torvalds	default y
24571da177e4SLinus Torvalds
24581da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
24591da177e4SLinus Torvalds	bool
24601da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
24611da177e4SLinus Torvalds	default y
24621da177e4SLinus Torvalds
24632235a54dSSanjay Lal
24649e2b5372SMarkos Chandraschoice
24659e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
24669e2b5372SMarkos Chandras
24679e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
24689e2b5372SMarkos Chandras	bool "None"
24699e2b5372SMarkos Chandras	help
24709e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
24719e2b5372SMarkos Chandras
24729693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
24739693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
24749e2b5372SMarkos Chandras	bool "SmartMIPS"
24759693a853SFranck Bui-Huu	help
24769693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
24779693a853SFranck Bui-Huu	  increased security at both hardware and software level for
24789693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
24799693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
24809693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
24819693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
24829693a853SFranck Bui-Huu	  here.
24839693a853SFranck Bui-Huu
2484bce86083SSteven J. Hillconfig CPU_MICROMIPS
24857fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
24869e2b5372SMarkos Chandras	bool "microMIPS"
2487bce86083SSteven J. Hill	help
2488bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2489bce86083SSteven J. Hill	  microMIPS ISA
2490bce86083SSteven J. Hill
24919e2b5372SMarkos Chandrasendchoice
24929e2b5372SMarkos Chandras
2493a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
24940ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2495a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2496c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
24972a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2498a5e9a69eSPaul Burton	help
2499a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2500a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
25011db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25021db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25031db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25041db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25051db1af84SPaul Burton	  the size & complexity of your kernel.
2506a5e9a69eSPaul Burton
2507a5e9a69eSPaul Burton	  If unsure, say Y.
2508a5e9a69eSPaul Burton
25091da177e4SLinus Torvaldsconfig CPU_HAS_WB
2510f7062ddbSRalf Baechle	bool
2511e01402b1SRalf Baechle
2512df0ac8a4SKevin Cernekeeconfig XKS01
2513df0ac8a4SKevin Cernekee	bool
2514df0ac8a4SKevin Cernekee
25158256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
25168256b17eSFlorian Fainelli	bool
25178256b17eSFlorian Fainelli
2518932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR
2519932afdeeSYasha Cherikovsky	bool
2520932afdeeSYasha Cherikovsky	help
2521932afdeeSYasha Cherikovsky	  CPU has support for unaligned load and store instructions:
2522932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
2523932afdeeSYasha Cherikovsky	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2524932afdeeSYasha Cherikovsky
2525f41ae0b2SRalf Baechle#
2526f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2527f41ae0b2SRalf Baechle#
2528e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2529f41ae0b2SRalf Baechle	bool
2530e01402b1SRalf Baechle
2531f41ae0b2SRalf Baechle#
2532f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2533f41ae0b2SRalf Baechle#
2534e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2535f41ae0b2SRalf Baechle	bool
2536e01402b1SRalf Baechle
25371da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25381da177e4SLinus Torvalds	bool
25391da177e4SLinus Torvalds	depends on !CPU_R3000
25401da177e4SLinus Torvalds	default y
25411da177e4SLinus Torvalds
25421da177e4SLinus Torvalds#
254320d60d99SMaciej W. Rozycki# CPU non-features
254420d60d99SMaciej W. Rozycki#
254520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
254620d60d99SMaciej W. Rozycki	bool
254720d60d99SMaciej W. Rozycki
254820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
254920d60d99SMaciej W. Rozycki	bool
255020d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
255120d60d99SMaciej W. Rozycki
255220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
255320d60d99SMaciej W. Rozycki	bool
255420d60d99SMaciej W. Rozycki
25554edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
25564edf00a4SPaul Burton	int
25574edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25584edf00a4SPaul Burton	default 4 if CPU_R8000
25594edf00a4SPaul Burton	default 0
25604edf00a4SPaul Burton
25614edf00a4SPaul Burtonconfig MIPS_ASID_BITS
25624edf00a4SPaul Burton	int
25632db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
25644edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25654edf00a4SPaul Burton	default 8
25664edf00a4SPaul Burton
25672db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
25682db003a5SPaul Burton	bool
25692db003a5SPaul Burton
25704a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
25714a5dc51eSMarcin Nowakowski	bool
25724a5dc51eSMarcin Nowakowski
257320d60d99SMaciej W. Rozycki#
25741da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
25751da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
25761da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
25771da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
25781da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
25791da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
25801da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
25811da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2582797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2583797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2584797798c1SRalf Baechle#   support.
25851da177e4SLinus Torvalds#
25861da177e4SLinus Torvaldsconfig HIGHMEM
25871da177e4SLinus Torvalds	bool "High Memory Support"
2588a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2589797798c1SRalf Baechle
2590797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2591797798c1SRalf Baechle	bool
2592797798c1SRalf Baechle
2593797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2594797798c1SRalf Baechle	bool
25951da177e4SLinus Torvalds
25969693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
25979693a853SFranck Bui-Huu	bool
25989693a853SFranck Bui-Huu
2599a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2600a6a4834cSSteven J. Hill	bool
2601a6a4834cSSteven J. Hill
2602377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2603377cb1b6SRalf Baechle	bool
2604377cb1b6SRalf Baechle	help
2605377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2606377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2607377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2608377cb1b6SRalf Baechle
2609a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2610a5e9a69eSPaul Burton	bool
2611a5e9a69eSPaul Burton
2612b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2613b4819b59SYoichi Yuasa	def_bool y
2614f133f22dSWu Zhangjin	depends on !NUMA && !CPU_LOONGSON2
2615b4819b59SYoichi Yuasa
2616d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE
2617d8cb4e11SRalf Baechle	bool
2618d8cb4e11SRalf Baechle	default y if SGI_IP27
2619d8cb4e11SRalf Baechle	help
26203dde6ad8SDavid Sterba	  Say Y to support efficient handling of discontiguous physical memory,
2621d8cb4e11SRalf Baechle	  for architectures which are either NUMA (Non-Uniform Memory Access)
2622d8cb4e11SRalf Baechle	  or have huge holes in the physical address space for other reasons.
2623ad56b738SMike Rapoport	  See <file:Documentation/vm/numa.rst> for more.
2624d8cb4e11SRalf Baechle
2625b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2626b1c6cd42SAtsushi Nemoto	bool
26277de58fabSAtsushi Nemoto	select SPARSEMEM_STATIC
262831473747SAtsushi Nemoto
2629d8cb4e11SRalf Baechleconfig NUMA
2630d8cb4e11SRalf Baechle	bool "NUMA Support"
2631d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2632d8cb4e11SRalf Baechle	help
2633d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2634d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2635d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2636d8cb4e11SRalf Baechle	  leave it disabled; on single node systems disable this option
2637d8cb4e11SRalf Baechle	  disabled.
2638d8cb4e11SRalf Baechle
2639d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2640d8cb4e11SRalf Baechle	bool
2641d8cb4e11SRalf Baechle
26428c530ea3SMatt Redfearnconfig RELOCATABLE
26438c530ea3SMatt Redfearn	bool "Relocatable kernel"
26443ff72be4SSteven J. Hill	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
26458c530ea3SMatt Redfearn	help
26468c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
26478c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
26488c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
26498c530ea3SMatt Redfearn	  but are discarded at runtime
26508c530ea3SMatt Redfearn
2651069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2652069fd766SMatt Redfearn	hex "Relocation table size"
2653069fd766SMatt Redfearn	depends on RELOCATABLE
2654069fd766SMatt Redfearn	range 0x0 0x01000000
2655069fd766SMatt Redfearn	default "0x00100000"
2656069fd766SMatt Redfearn	---help---
2657069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2658069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2659069fd766SMatt Redfearn
2660069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2661069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2662069fd766SMatt Redfearn
2663069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2664069fd766SMatt Redfearn
2665069fd766SMatt Redfearn	  If unsure, leave at the default value.
2666069fd766SMatt Redfearn
2667405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2668405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2669405bc8fdSMatt Redfearn	depends on RELOCATABLE
2670405bc8fdSMatt Redfearn	---help---
2671405bc8fdSMatt Redfearn	   Randomizes the physical and virtual address at which the
2672405bc8fdSMatt Redfearn	   kernel image is loaded, as a security feature that
2673405bc8fdSMatt Redfearn	   deters exploit attempts relying on knowledge of the location
2674405bc8fdSMatt Redfearn	   of kernel internals.
2675405bc8fdSMatt Redfearn
2676405bc8fdSMatt Redfearn	   Entropy is generated using any coprocessor 0 registers available.
2677405bc8fdSMatt Redfearn
2678405bc8fdSMatt Redfearn	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2679405bc8fdSMatt Redfearn
2680405bc8fdSMatt Redfearn	   If unsure, say N.
2681405bc8fdSMatt Redfearn
2682405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2683405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2684405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2685405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2686405bc8fdSMatt Redfearn	range 0x0 0x08000000
2687405bc8fdSMatt Redfearn	default "0x01000000"
2688405bc8fdSMatt Redfearn	---help---
2689405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2690405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2691405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2692405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2693405bc8fdSMatt Redfearn
2694405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2695405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2696405bc8fdSMatt Redfearn
2697c80d79d7SYasunori Gotoconfig NODES_SHIFT
2698c80d79d7SYasunori Goto	int
2699c80d79d7SYasunori Goto	default "6"
2700c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2701c80d79d7SYasunori Goto
270214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
270314f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
270423021b2bSYang Shi	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
270514f70012SDeng-Cheng Zhu	default y
270614f70012SDeng-Cheng Zhu	help
270714f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
270814f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
270914f70012SDeng-Cheng Zhu
27101da177e4SLinus Torvaldsconfig SMP
27111da177e4SLinus Torvalds	bool "Multi-Processing support"
2712e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2713e73ea273SRalf Baechle	help
27141da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27154a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27164a474157SRobert Graffham	  than one CPU, say Y.
27171da177e4SLinus Torvalds
27184a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27191da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27201da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27214a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27221da177e4SLinus Torvalds	  will run faster if you say N here.
27231da177e4SLinus Torvalds
27241da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27251da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27261da177e4SLinus Torvalds
272703502faaSAdrian Bunk	  See also the SMP-HOWTO available at
272803502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
27291da177e4SLinus Torvalds
27301da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27311da177e4SLinus Torvalds
27327840d618SMatt Redfearnconfig HOTPLUG_CPU
27337840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27347840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27357840d618SMatt Redfearn	help
27367840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
27377840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
27387840d618SMatt Redfearn	  (Note: power management support will enable this option
27397840d618SMatt Redfearn	    automatically on SMP systems. )
27407840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
27417840d618SMatt Redfearn
274287353d8aSRalf Baechleconfig SMP_UP
274387353d8aSRalf Baechle	bool
274487353d8aSRalf Baechle
27454a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
27464a16ff4cSRalf Baechle	bool
27474a16ff4cSRalf Baechle
27480ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
27490ee958e1SPaul Burton	bool
27500ee958e1SPaul Burton
2751e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2752e73ea273SRalf Baechle	bool
2753e73ea273SRalf Baechle
2754130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2755130e2fb7SRalf Baechle	bool
2756130e2fb7SRalf Baechle
2757130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2758130e2fb7SRalf Baechle	bool
2759130e2fb7SRalf Baechle
2760130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2761130e2fb7SRalf Baechle	bool
2762130e2fb7SRalf Baechle
2763130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2764130e2fb7SRalf Baechle	bool
2765130e2fb7SRalf Baechle
2766130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2767130e2fb7SRalf Baechle	bool
2768130e2fb7SRalf Baechle
27691da177e4SLinus Torvaldsconfig NR_CPUS
2770a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2771a91796a9SJayachandran C	range 2 256
27721da177e4SLinus Torvalds	depends on SMP
2773130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2774130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2775130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2776130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2777130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
27781da177e4SLinus Torvalds	help
27791da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
27801da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
27811da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
278272ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
278372ede9b1SAtsushi Nemoto	  and 2 for all others.
27841da177e4SLinus Torvalds
27851da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
278672ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
278772ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
278872ede9b1SAtsushi Nemoto	  power of two.
27891da177e4SLinus Torvalds
2790399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2791399aaa25SAl Cooper	bool
2792399aaa25SAl Cooper
27937820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
27947820b84bSDavid Daney	bool
27957820b84bSDavid Daney
27967820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
27977820b84bSDavid Daney	int
27987820b84bSDavid Daney	depends on SMP
27997820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28007820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28017820b84bSDavid Daney
28021723b4a3SAtsushi Nemoto#
28031723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28041723b4a3SAtsushi Nemoto#
28051723b4a3SAtsushi Nemoto
28061723b4a3SAtsushi Nemotochoice
28071723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28081723b4a3SAtsushi Nemoto	default HZ_250
28091723b4a3SAtsushi Nemoto	help
28101723b4a3SAtsushi Nemoto	 Allows the configuration of the timer frequency.
28111723b4a3SAtsushi Nemoto
281267596573SPaul Burton	config HZ_24
281367596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
281467596573SPaul Burton
28151723b4a3SAtsushi Nemoto	config HZ_48
28160f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28171723b4a3SAtsushi Nemoto
28181723b4a3SAtsushi Nemoto	config HZ_100
28191723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28201723b4a3SAtsushi Nemoto
28211723b4a3SAtsushi Nemoto	config HZ_128
28221723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28231723b4a3SAtsushi Nemoto
28241723b4a3SAtsushi Nemoto	config HZ_250
28251723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28261723b4a3SAtsushi Nemoto
28271723b4a3SAtsushi Nemoto	config HZ_256
28281723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28291723b4a3SAtsushi Nemoto
28301723b4a3SAtsushi Nemoto	config HZ_1000
28311723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28321723b4a3SAtsushi Nemoto
28331723b4a3SAtsushi Nemoto	config HZ_1024
28341723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28351723b4a3SAtsushi Nemoto
28361723b4a3SAtsushi Nemotoendchoice
28371723b4a3SAtsushi Nemoto
283867596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
283967596573SPaul Burton	bool
284067596573SPaul Burton
28411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
28421723b4a3SAtsushi Nemoto	bool
28431723b4a3SAtsushi Nemoto
28441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
28451723b4a3SAtsushi Nemoto	bool
28461723b4a3SAtsushi Nemoto
28471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
28481723b4a3SAtsushi Nemoto	bool
28491723b4a3SAtsushi Nemoto
28501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
28511723b4a3SAtsushi Nemoto	bool
28521723b4a3SAtsushi Nemoto
28531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
28541723b4a3SAtsushi Nemoto	bool
28551723b4a3SAtsushi Nemoto
28561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
28571723b4a3SAtsushi Nemoto	bool
28581723b4a3SAtsushi Nemoto
28591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
28601723b4a3SAtsushi Nemoto	bool
28611723b4a3SAtsushi Nemoto
28621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
28631723b4a3SAtsushi Nemoto	bool
286467596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
286567596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
286667596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
286767596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
286867596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
286967596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
287067596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
28711723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
28721723b4a3SAtsushi Nemoto
28731723b4a3SAtsushi Nemotoconfig HZ
28741723b4a3SAtsushi Nemoto	int
287567596573SPaul Burton	default 24 if HZ_24
28761723b4a3SAtsushi Nemoto	default 48 if HZ_48
28771723b4a3SAtsushi Nemoto	default 100 if HZ_100
28781723b4a3SAtsushi Nemoto	default 128 if HZ_128
28791723b4a3SAtsushi Nemoto	default 250 if HZ_250
28801723b4a3SAtsushi Nemoto	default 256 if HZ_256
28811723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
28821723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
28831723b4a3SAtsushi Nemoto
288496685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
288596685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
288696685b17SDeng-Cheng Zhu
2887ea6e942bSAtsushi Nemotoconfig KEXEC
28887d60717eSKees Cook	bool "Kexec system call"
28892965faa5SDave Young	select KEXEC_CORE
2890ea6e942bSAtsushi Nemoto	help
2891ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2892ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
28933dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2894ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2895ea6e942bSAtsushi Nemoto
289601dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2897ea6e942bSAtsushi Nemoto
2898ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2899ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2900bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2901bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2902bf220695SGeert Uytterhoeven	  made.
2903ea6e942bSAtsushi Nemoto
29047aa1c8f4SRalf Baechleconfig CRASH_DUMP
29057aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29067aa1c8f4SRalf Baechle	help
29077aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29087aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29097aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29107aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29117aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29127aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29137aa1c8f4SRalf Baechle	  PHYSICAL_START.
29147aa1c8f4SRalf Baechle
29157aa1c8f4SRalf Baechleconfig PHYSICAL_START
29167aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29178bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29187aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29197aa1c8f4SRalf Baechle	help
29207aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29217aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29227aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29237aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29247aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29257aa1c8f4SRalf Baechle
2926ea6e942bSAtsushi Nemotoconfig SECCOMP
2927ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
2928293c5bd1SRalf Baechle	depends on PROC_FS
2929ea6e942bSAtsushi Nemoto	default y
2930ea6e942bSAtsushi Nemoto	help
2931ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
2932ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
2933ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
2934ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
2935ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
2936ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
2937ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2938ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
2939ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
2940ea6e942bSAtsushi Nemoto
2941ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
2942ea6e942bSAtsushi Nemoto
2943597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
2944b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2945597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2946597ce172SPaul Burton	help
2947597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2948597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2949597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2950597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2951597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2952597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2953597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
2954597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
2955597ce172SPaul Burton	  saying N here.
2956597ce172SPaul Burton
295706e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
295806e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
295906e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
296006e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
296106e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
296206e2e882SPaul Burton	  said details.
296306e2e882SPaul Burton
296406e2e882SPaul Burton	  If unsure, say N.
2965597ce172SPaul Burton
2966f2ffa5abSDezhong Diaoconfig USE_OF
29670b3e06fdSJonas Gorski	bool
2968f2ffa5abSDezhong Diao	select OF
2969e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
2970abd2363fSGrant Likely	select IRQ_DOMAIN
2971f2ffa5abSDezhong Diao
29722fe8ea39SDengcheng Zhuconfig UHI_BOOT
29732fe8ea39SDengcheng Zhu	bool
29742fe8ea39SDengcheng Zhu
29757fafb068SAndrew Brestickerconfig BUILTIN_DTB
29767fafb068SAndrew Bresticker	bool
29777fafb068SAndrew Bresticker
29781da8f179SJonas Gorskichoice
29795b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
29801da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
29811da8f179SJonas Gorski
29821da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
29831da8f179SJonas Gorski		bool "None"
29841da8f179SJonas Gorski		help
29851da8f179SJonas Gorski		  Do not enable appended dtb support.
29861da8f179SJonas Gorski
298787db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
298887db537dSAaro Koskinen		bool "vmlinux"
298987db537dSAaro Koskinen		help
299087db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
299187db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
299287db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
299387db537dSAaro Koskinen		  objcopy:
299487db537dSAaro Koskinen
299587db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
299687db537dSAaro Koskinen
299787db537dSAaro Koskinen		  This is meant as a backward compatiblity convenience for those
299887db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
299987db537dSAaro Koskinen		  the documented boot protocol using a device tree.
300087db537dSAaro Koskinen
30011da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3002b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30031da8f179SJonas Gorski		help
30041da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3005b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30061da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30071da8f179SJonas Gorski
30081da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30091da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30101da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30111da8f179SJonas Gorski
30121da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30131da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30141da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30151da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30161da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30171da8f179SJonas Gorskiendchoice
30181da8f179SJonas Gorski
30192024972eSJonas Gorskichoice
30202024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30212bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
30223f5f0a44SPaul Burton					 !MIPS_MALTA && \
30232bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30242024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30252024972eSJonas Gorski
30262024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30272024972eSJonas Gorski		depends on USE_OF
30282024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30292024972eSJonas Gorski
30302024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30312024972eSJonas Gorski		depends on USE_OF
30322024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30332024972eSJonas Gorski
30342024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30352024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3036ed47e153SRabin Vincent
3037ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3038ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3039ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
30402024972eSJonas Gorskiendchoice
30412024972eSJonas Gorski
30425e83d430SRalf Baechleendmenu
30435e83d430SRalf Baechle
30441df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
30451df0f0ffSAtsushi Nemoto	bool
30461df0f0ffSAtsushi Nemoto	default y
30471df0f0ffSAtsushi Nemoto
30481df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
30491df0f0ffSAtsushi Nemoto	bool
30501df0f0ffSAtsushi Nemoto	default y
30511df0f0ffSAtsushi Nemoto
3052e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT
3053e1e16115SAaro Koskinen	bool
3054e1e16115SAaro Koskinen	default y
3055e1e16115SAaro Koskinen
3056a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3057a728ab52SKirill A. Shutemov	int
30583377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3059a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3060a728ab52SKirill A. Shutemov	default 2
3061a728ab52SKirill A. Shutemov
30626c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
30636c359eb1SPaul Burton	bool
30646c359eb1SPaul Burton
30651da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
30661da177e4SLinus Torvalds
3067c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
30682eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3069c5611df9SPaul Burton	bool
3070c5611df9SPaul Burton
3071c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3072c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3073c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
30742eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
30751da177e4SLinus Torvalds
30761da177e4SLinus Torvalds#
30771da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
30781da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
30791da177e4SLinus Torvalds# users to choose the right thing ...
30801da177e4SLinus Torvalds#
30811da177e4SLinus Torvaldsconfig ISA
30821da177e4SLinus Torvalds	bool
30831da177e4SLinus Torvalds
30841da177e4SLinus Torvaldsconfig TC
30851da177e4SLinus Torvalds	bool "TURBOchannel support"
30861da177e4SLinus Torvalds	depends on MACH_DECSTATION
30871da177e4SLinus Torvalds	help
308850a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
308950a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
309050a23e6eSJustin P. Mattock	  at:
309150a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
309250a23e6eSJustin P. Mattock	  and:
309350a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
309450a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
309550a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
30961da177e4SLinus Torvalds
30971da177e4SLinus Torvaldsconfig MMU
30981da177e4SLinus Torvalds	bool
30991da177e4SLinus Torvalds	default y
31001da177e4SLinus Torvalds
3101109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3102109c32ffSMatt Redfearn	default 12 if 64BIT
3103109c32ffSMatt Redfearn	default 8
3104109c32ffSMatt Redfearn
3105109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3106109c32ffSMatt Redfearn	default 18 if 64BIT
3107109c32ffSMatt Redfearn	default 15
3108109c32ffSMatt Redfearn
3109109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3110109c32ffSMatt Redfearn       default 8
3111109c32ffSMatt Redfearn
3112109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3113109c32ffSMatt Redfearn       default 15
3114109c32ffSMatt Redfearn
3115d865bea4SRalf Baechleconfig I8253
3116d865bea4SRalf Baechle	bool
3117798778b8SRussell King	select CLKSRC_I8253
31182d02612fSThomas Gleixner	select CLKEVT_I8253
31199726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3120d865bea4SRalf Baechle
3121e05eb3f8SRalf Baechleconfig ZONE_DMA
3122e05eb3f8SRalf Baechle	bool
3123e05eb3f8SRalf Baechle
3124cce335aeSRalf Baechleconfig ZONE_DMA32
3125cce335aeSRalf Baechle	bool
3126cce335aeSRalf Baechle
31271da177e4SLinus Torvaldsendmenu
31281da177e4SLinus Torvalds
31291da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31301da177e4SLinus Torvalds	bool
31311da177e4SLinus Torvalds
31321da177e4SLinus Torvaldsconfig MIPS32_COMPAT
313378aaf956SRalf Baechle	bool
31341da177e4SLinus Torvalds
31351da177e4SLinus Torvaldsconfig COMPAT
31361da177e4SLinus Torvalds	bool
31371da177e4SLinus Torvalds
313805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
313905e43966SAtsushi Nemoto	bool
314005e43966SAtsushi Nemoto
31411da177e4SLinus Torvaldsconfig MIPS32_O32
31421da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
314378aaf956SRalf Baechle	depends on 64BIT
314478aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
314578aaf956SRalf Baechle	select COMPAT
314678aaf956SRalf Baechle	select MIPS32_COMPAT
314778aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31481da177e4SLinus Torvalds	help
31491da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
31501da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
31511da177e4SLinus Torvalds	  existing binaries are in this format.
31521da177e4SLinus Torvalds
31531da177e4SLinus Torvalds	  If unsure, say Y.
31541da177e4SLinus Torvalds
31551da177e4SLinus Torvaldsconfig MIPS32_N32
31561da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3157c22eacfeSRalf Baechle	depends on 64BIT
3158*5a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
315978aaf956SRalf Baechle	select COMPAT
316078aaf956SRalf Baechle	select MIPS32_COMPAT
316178aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31621da177e4SLinus Torvalds	help
31631da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
31641da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
31651da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
31661da177e4SLinus Torvalds	  cases.
31671da177e4SLinus Torvalds
31681da177e4SLinus Torvalds	  If unsure, say N.
31691da177e4SLinus Torvalds
31701da177e4SLinus Torvaldsconfig BINFMT_ELF32
31711da177e4SLinus Torvalds	bool
31721da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
3173f43edca7SRalf Baechle	select ELFCORE
31741da177e4SLinus Torvalds
31752116245eSRalf Baechlemenu "Power management options"
3176952fa954SRodolfo Giometti
3177363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3178363c55caSWu Zhangjin	def_bool y
31793f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3180363c55caSWu Zhangjin
3181f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3182f4cb5700SJohannes Berg	def_bool y
31833f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3184f4cb5700SJohannes Berg
31852116245eSRalf Baechlesource "kernel/power/Kconfig"
3186952fa954SRodolfo Giometti
31871da177e4SLinus Torvaldsendmenu
31881da177e4SLinus Torvalds
31897a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
31907a998935SViresh Kumar	bool
31917a998935SViresh Kumar
31927a998935SViresh Kumarmenu "CPU Power Management"
3193c095ebafSPaul Burton
3194c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
31957a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
31967a998935SViresh Kumarendif
31979726b43aSWu Zhangjin
3198c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3199c095ebafSPaul Burton
3200c095ebafSPaul Burtonendmenu
3201c095ebafSPaul Burton
320298cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
320398cdee0eSRalf Baechle
32042235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3205