xref: /linux/arch/mips/Kconfig (revision 87fcfa7b7fe6bf819033fe827a27f710e38639b5)
1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0
21da177e4SLinus Torvaldsconfig MIPS
31da177e4SLinus Torvalds	bool
41da177e4SLinus Torvalds	default y
5942fa985SYury Norov	select ARCH_32BIT_OFF_T if !64BIT
6ea6a3737SPaul Burton	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
712597988SMatt Redfearn	select ARCH_CLOCKSOURCE_DATA
834c01e41SAlexander Lobakin	select ARCH_HAS_FORTIFY_SOURCE
934c01e41SAlexander Lobakin	select ARCH_HAS_KCOV
1034c01e41SAlexander Lobakin	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
1112597988SMatt Redfearn	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
121e35918aSHassan Naveed	select ARCH_HAS_UBSAN_SANITIZE_ALL
1312597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
141ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
1512597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
1625da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
170b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
189035bd29SAlexandre Ghiti	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
1912597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
2010916706SShile Zhang	select BUILDTIME_TABLE_SORT
2112597988SMatt Redfearn	select CLONE_BACKWARDS
2257eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
2312597988SMatt Redfearn	select CPU_PM if CPU_IDLE
2412597988SMatt Redfearn	select GENERIC_ATOMIC64 if !64BIT
2512597988SMatt Redfearn	select GENERIC_CLOCKEVENTS
2612597988SMatt Redfearn	select GENERIC_CMOS_UPDATE
2712597988SMatt Redfearn	select GENERIC_CPU_AUTOPROBE
2824640f23SVincenzo Frascino	select GENERIC_GETTIMEOFDAY
29b962aeb0SPaul Burton	select GENERIC_IOMAP
3012597988SMatt Redfearn	select GENERIC_IRQ_PROBE
3112597988SMatt Redfearn	select GENERIC_IRQ_SHOW
326630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
33740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
34740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
35740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
36740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
37740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
3812597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
3912597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
4012597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
41446f062bSChristoph Hellwig	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
4212597988SMatt Redfearn	select HANDLE_DOMAIN_IRQ
43906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
4412597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
4588547001SJason Wessel	select HAVE_ARCH_KGDB
46109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
47109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
48490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
49c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
5045e03e62SDaniel Silsby	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
512ff2b7ecSMasahiro Yamada	select HAVE_ASM_MODVERSIONS
5236366e36SPaul Burton	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
5312597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
5412597988SMatt Redfearn	select HAVE_COPY_THREAD_TLS
5564575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
5612597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
5712597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
5812597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
5912597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
6034c01e41SAlexander Lobakin	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
6112597988SMatt Redfearn	select HAVE_EXIT_THREAD
6267a929e0SChristoph Hellwig	select HAVE_FAST_GUP
6312597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
6429c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
6512597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
6634c01e41SAlexander Lobakin	select HAVE_GCC_PLUGINS
6734c01e41SAlexander Lobakin	select HAVE_GENERIC_VDSO
6812597988SMatt Redfearn	select HAVE_IDE
69b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
7012597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
7112597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
72c1bf207dSDavid Daney	select HAVE_KPROBES
73c1bf207dSDavid Daney	select HAVE_KRETPROBES
74c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
759d15ffc8STejun Heo	select HAVE_MEMBLOCK_NODE_MAP
76786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
7742a0bb3fSPetr Mladek	select HAVE_NMI
7812597988SMatt Redfearn	select HAVE_OPROFILE
7912597988SMatt Redfearn	select HAVE_PERF_EVENTS
8008bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
819ea141adSPaul Burton	select HAVE_RSEQ
8216c0f03fSHassan Naveed	select HAVE_SPARSE_SYSCALL_NR
83d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
8412597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
85a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
8612597988SMatt Redfearn	select IRQ_FORCED_THREADING
876630a8e5SChristoph Hellwig	select ISA if EISA
8812597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
8934c01e41SAlexander Lobakin	select MODULES_USE_ELF_RELA if MODULES && 64BIT
9012597988SMatt Redfearn	select PERF_USE_VMALLOC
9105a0a344SArnd Bergmann	select RTC_LIB
9212597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
9312597988SMatt Redfearn	select VIRT_TO_BUS
941da177e4SLinus Torvalds
951da177e4SLinus Torvaldsmenu "Machine selection"
961da177e4SLinus Torvalds
975e83d430SRalf Baechlechoice
985e83d430SRalf Baechle	prompt "System type"
99d41e6858SMatt Redfearn	default MIPS_GENERIC
1001da177e4SLinus Torvalds
101eed0eabdSPaul Burtonconfig MIPS_GENERIC
102eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
103eed0eabdSPaul Burton	select BOOT_RAW
104eed0eabdSPaul Burton	select BUILTIN_DTB
105eed0eabdSPaul Burton	select CEVT_R4K
106eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
107eed0eabdSPaul Burton	select COMMON_CLK
108eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
10934c01e41SAlexander Lobakin	select CPU_MIPSR2_IRQ_VI
110eed0eabdSPaul Burton	select CSRC_R4K
111eed0eabdSPaul Burton	select DMA_PERDEV_COHERENT
112eb01d42aSChristoph Hellwig	select HAVE_PCI
113eed0eabdSPaul Burton	select IRQ_MIPS_CPU
1140211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
115eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
116eed0eabdSPaul Burton	select MIPS_GIC
117eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
118eed0eabdSPaul Burton	select NO_EXCEPT_FILL
119eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
120eed0eabdSPaul Burton	select SMP_UP if SMP
121a3078e59SMatt Redfearn	select SWAP_IO_SPACE
122eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
123eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
124eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
125eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
126eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
127eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
128eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
129eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
130eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
131eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
132eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
133eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
134eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
13534c01e41SAlexander Lobakin	select SYS_SUPPORTS_MIPS_CPS
136eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
137eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
138eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
13934c01e41SAlexander Lobakin	select UHI_BOOT
1402e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1412e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1422e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1432e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1442e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1452e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
146eed0eabdSPaul Burton	select USE_OF
147eed0eabdSPaul Burton	help
148eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
149eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
150eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
151eed0eabdSPaul Burton	  Interface) specification.
152eed0eabdSPaul Burton
15342a4f17dSManuel Laussconfig MIPS_ALCHEMY
154c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
155d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
156f772cdb2SRalf Baechle	select CEVT_R4K
157d7ea335cSSteven J. Hill	select CSRC_R4K
15867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
15988e9a93cSManuel Lauss	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
16042a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
16142a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
16242a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
163d30a2b47SLinus Walleij	select GPIOLIB
1641b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
16547440229SManuel Lauss	select COMMON_CLK
1661da177e4SLinus Torvalds
1677ca5dc14SFlorian Fainelliconfig AR7
1687ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
1697ca5dc14SFlorian Fainelli	select BOOT_ELF32
1707ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
1717ca5dc14SFlorian Fainelli	select CEVT_R4K
1727ca5dc14SFlorian Fainelli	select CSRC_R4K
17367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1747ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
1757ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
1767ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
1777ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
1787ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
1797ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
180377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1811b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
182d30a2b47SLinus Walleij	select GPIOLIB
1837ca5dc14SFlorian Fainelli	select VLYNQ
1848551fb64SYoichi Yuasa	select HAVE_CLK
1857ca5dc14SFlorian Fainelli	help
1867ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
1877ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
1887ca5dc14SFlorian Fainelli
18943cc739fSSergey Ryazanovconfig ATH25
19043cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
19143cc739fSSergey Ryazanov	select CEVT_R4K
19243cc739fSSergey Ryazanov	select CSRC_R4K
19343cc739fSSergey Ryazanov	select DMA_NONCOHERENT
19467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1951753e74eSSergey Ryazanov	select IRQ_DOMAIN
19643cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
19743cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
19843cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
1998aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
20043cc739fSSergey Ryazanov	help
20143cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
20243cc739fSSergey Ryazanov
203d4a67d9dSGabor Juhosconfig ATH79
204d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
205ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
206d4a67d9dSGabor Juhos	select BOOT_RAW
207d4a67d9dSGabor Juhos	select CEVT_R4K
208d4a67d9dSGabor Juhos	select CSRC_R4K
209d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
210d30a2b47SLinus Walleij	select GPIOLIB
211a08227a2SJohn Crispin	select PINCTRL
21294638067SGabor Juhos	select HAVE_CLK
213411520afSAlban Bedel	select COMMON_CLK
2142c4f1ac5SGabor Juhos	select CLKDEV_LOOKUP
21567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
216d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
217d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
218d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
219d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
220377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
221b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
22203c8c407SAlban Bedel	select USE_OF
22353d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
224d4a67d9dSGabor Juhos	help
225d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
226d4a67d9dSGabor Juhos
2275f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2285f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
229d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
230d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
231d666cd02SKevin Cernekee	select BOOT_RAW
232d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
233d666cd02SKevin Cernekee	select USE_OF
234d666cd02SKevin Cernekee	select CEVT_R4K
235d666cd02SKevin Cernekee	select CSRC_R4K
236d666cd02SKevin Cernekee	select SYNC_R4K
237d666cd02SKevin Cernekee	select COMMON_CLK
238c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
23960b858f2SKevin Cernekee	select BCM7038_L1_IRQ
24060b858f2SKevin Cernekee	select BCM7120_L2_IRQ
24160b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
24267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
24360b858f2SKevin Cernekee	select DMA_NONCOHERENT
244d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
24560b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
246d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
247d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
24860b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
24960b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
25060b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
251d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
252d666cd02SKevin Cernekee	select SWAP_IO_SPACE
25360b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
25460b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
25560b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
25660b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2574dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
258d666cd02SKevin Cernekee	help
2595f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2605f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2615f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2625f2d4459SKevin Cernekee	  must be set appropriately for your board.
263d666cd02SKevin Cernekee
2641c0c13ebSAurelien Jarnoconfig BCM47XX
265c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
266fe08f8c2SHauke Mehrtens	select BOOT_RAW
26742f77542SRalf Baechle	select CEVT_R4K
268940f6b48SRalf Baechle	select CSRC_R4K
2691c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
270eb01d42aSChristoph Hellwig	select HAVE_PCI
27167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
272314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
273dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
2741c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
2751c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
276377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2776507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
27825e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
279e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
280c949c0bcSRafał Miłecki	select GPIOLIB
281c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
282f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
2832ab71a02SRafał Miłecki	select BCM47XX_SPROM
284dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
2851c0c13ebSAurelien Jarno	help
2861c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
2871c0c13ebSAurelien Jarno
288e7300d04SMaxime Bizonconfig BCM63XX
289e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
290ae8de61cSFlorian Fainelli	select BOOT_RAW
291e7300d04SMaxime Bizon	select CEVT_R4K
292e7300d04SMaxime Bizon	select CSRC_R4K
293fc264022SJonas Gorski	select SYNC_R4K
294e7300d04SMaxime Bizon	select DMA_NONCOHERENT
29567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
296e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
297e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
298e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
299e7300d04SMaxime Bizon	select SWAP_IO_SPACE
300d30a2b47SLinus Walleij	select GPIOLIB
3013e82eeebSYoichi Yuasa	select HAVE_CLK
302af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
303c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
304e7300d04SMaxime Bizon	help
305e7300d04SMaxime Bizon	  Support for BCM63XX based boards
306e7300d04SMaxime Bizon
3071da177e4SLinus Torvaldsconfig MIPS_COBALT
3083fa986faSMartin Michlmayr	bool "Cobalt Server"
30942f77542SRalf Baechle	select CEVT_R4K
310940f6b48SRalf Baechle	select CSRC_R4K
3111097c6acSYoichi Yuasa	select CEVT_GT641XX
3121da177e4SLinus Torvalds	select DMA_NONCOHERENT
313eb01d42aSChristoph Hellwig	select FORCE_PCI
314d865bea4SRalf Baechle	select I8253
3151da177e4SLinus Torvalds	select I8259
31667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
317d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
318252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3197cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3200a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
321ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3220e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3235e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
324e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3251da177e4SLinus Torvalds
3261da177e4SLinus Torvaldsconfig MACH_DECSTATION
3273fa986faSMartin Michlmayr	bool "DECstations"
3281da177e4SLinus Torvalds	select BOOT_ELF32
3296457d9fcSYoichi Yuasa	select CEVT_DS1287
33081d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3314247417dSYoichi Yuasa	select CSRC_IOASIC
33281d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
33320d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
33420d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
33520d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3361da177e4SLinus Torvalds	select DMA_NONCOHERENT
337ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
33867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3397cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3407cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
341ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3427d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3435e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3441723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3451723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3461723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
347930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3485e83d430SRalf Baechle	help
3491da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3501da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3511da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3521da177e4SLinus Torvalds
3531da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3541da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3551da177e4SLinus Torvalds
3561da177e4SLinus Torvalds		DECstation 5000/50
3571da177e4SLinus Torvalds		DECstation 5000/150
3581da177e4SLinus Torvalds		DECstation 5000/260
3591da177e4SLinus Torvalds		DECsystem 5900/260
3601da177e4SLinus Torvalds
3611da177e4SLinus Torvalds	  otherwise choose R3000.
3621da177e4SLinus Torvalds
3635e83d430SRalf Baechleconfig MACH_JAZZ
3643fa986faSMartin Michlmayr	bool "Jazz family of machines"
36539b2d756SThomas Bogendoerfer	select ARC_MEMORY
36639b2d756SThomas Bogendoerfer	select ARC_PROMLIB
367a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
3687a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
3690e2794b0SRalf Baechle	select FW_ARC
3700e2794b0SRalf Baechle	select FW_ARC32
3715e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
37242f77542SRalf Baechle	select CEVT_R4K
373940f6b48SRalf Baechle	select CSRC_R4K
374e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
3755e83d430SRalf Baechle	select GENERIC_ISA_DMA
3768a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
37767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
378d865bea4SRalf Baechle	select I8253
3795e83d430SRalf Baechle	select I8259
3805e83d430SRalf Baechle	select ISA
3817cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3825e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3837d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3841723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
3851da177e4SLinus Torvalds	help
3865e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
3875e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
388692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
3895e83d430SRalf Baechle	  Olivetti M700-10 workstations.
3905e83d430SRalf Baechle
391de361e8bSPaul Burtonconfig MACH_INGENIC
392de361e8bSPaul Burton	bool "Ingenic SoC based machines"
3935ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
3945ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
395f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
396b35d2653SDaniel Silsby	select CPU_SUPPORTS_HUGEPAGES
3975ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
39867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
39937b4c3caSPaul Cercueil	select PINCTRL
400d30a2b47SLinus Walleij	select GPIOLIB
401ff1930c6SPaul Burton	select COMMON_CLK
40283bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
40315205fc0SPaul Cercueil	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
404ffb1843dSPaul Burton	select USE_OF
4055ebabe59SLars-Peter Clausen
406171bb2f1SJohn Crispinconfig LANTIQ
407171bb2f1SJohn Crispin	bool "Lantiq based platforms"
408171bb2f1SJohn Crispin	select DMA_NONCOHERENT
40967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
410171bb2f1SJohn Crispin	select CEVT_R4K
411171bb2f1SJohn Crispin	select CSRC_R4K
412171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
413171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
414171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
415171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
416377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
417171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
418f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
419171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
420d30a2b47SLinus Walleij	select GPIOLIB
421171bb2f1SJohn Crispin	select SWAP_IO_SPACE
422171bb2f1SJohn Crispin	select BOOT_RAW
423287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
424a0392222SJohn Crispin	select USE_OF
4253f8c50c9SJohn Crispin	select PINCTRL
4263f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
427c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
428c530781cSJohn Crispin	select RESET_CONTROLLER
429171bb2f1SJohn Crispin
4301f21d2bdSBrian Murphyconfig LASAT
4311f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
43242f77542SRalf Baechle	select CEVT_R4K
43316f0bbbcSRalf Baechle	select CRC32
434940f6b48SRalf Baechle	select CSRC_R4K
4351f21d2bdSBrian Murphy	select DMA_NONCOHERENT
4361f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
437eb01d42aSChristoph Hellwig	select HAVE_PCI
43867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4391f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
4401f21d2bdSBrian Murphy	select MIPS_NILE4
4411f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
4421f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
4431f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
4441f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
4451f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
4461f21d2bdSBrian Murphy
44730ad29bbSHuacai Chenconfig MACH_LOONGSON32
448caed1d1bSHuacai Chen	bool "Loongson 32-bit family of machines"
449c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
450ade299d8SYoichi Yuasa	help
45130ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
45285749d24SWu Zhangjin
45330ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
45430ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
45530ad29bbSHuacai Chen	  Sciences (CAS).
456ade299d8SYoichi Yuasa
45771e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
45871e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
459ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
460ca585cf9SKelvin Cheung	help
46171e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
462ca585cf9SKelvin Cheung
46371e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
464caed1d1bSHuacai Chen	bool "Loongson 64-bit family of machines"
4656fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
4666fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
4676fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
4686fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
4696fbde6b4SJiaxun Yang	select BOOT_ELF32
4706fbde6b4SJiaxun Yang	select BOARD_SCACHE
4716fbde6b4SJiaxun Yang	select CSRC_R4K
4726fbde6b4SJiaxun Yang	select CEVT_R4K
4736fbde6b4SJiaxun Yang	select CPU_HAS_WB
4746fbde6b4SJiaxun Yang	select FORCE_PCI
4756fbde6b4SJiaxun Yang	select ISA
4766fbde6b4SJiaxun Yang	select I8259
4776fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
4786fbde6b4SJiaxun Yang	select NR_CPUS_DEFAULT_4
4796fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
4806fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
4816fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
4826fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
4836fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
4846fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
4856fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
4866fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
4876fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
48871e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
4896fbde6b4SJiaxun Yang	select ZONE_DMA32
4906fbde6b4SJiaxun Yang	select NUMA
491*87fcfa7bSJiaxun Yang	select COMMON_CLK
492*87fcfa7bSJiaxun Yang	select USE_OF
493*87fcfa7bSJiaxun Yang	select BUILTIN_DTB
49471e2f4ddSJiaxun Yang	help
495caed1d1bSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
496caed1d1bSHuacai Chen
497caed1d1bSHuacai Chen	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
498caed1d1bSHuacai Chen	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
499caed1d1bSHuacai Chen	  and Loongson-2F which will be removed), developed by the Institute
500caed1d1bSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
501ca585cf9SKelvin Cheung
5026a438309SAndrew Brestickerconfig MACH_PISTACHIO
5036a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
5046a438309SAndrew Bresticker	select BOOT_ELF32
5056a438309SAndrew Bresticker	select BOOT_RAW
5066a438309SAndrew Bresticker	select CEVT_R4K
5076a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
5086a438309SAndrew Bresticker	select COMMON_CLK
5096a438309SAndrew Bresticker	select CSRC_R4K
510645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
511d30a2b47SLinus Walleij	select GPIOLIB
51267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5136a438309SAndrew Bresticker	select MFD_SYSCON
5146a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
5156a438309SAndrew Bresticker	select MIPS_GIC
5166a438309SAndrew Bresticker	select PINCTRL
5176a438309SAndrew Bresticker	select REGULATOR
5186a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
5196a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
5206a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
5216a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
5226a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
52341cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
5246a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
525018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
526018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
5276a438309SAndrew Bresticker	select USE_OF
5286a438309SAndrew Bresticker	help
5296a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
5306a438309SAndrew Bresticker
5311da177e4SLinus Torvaldsconfig MIPS_MALTA
5323fa986faSMartin Michlmayr	bool "MIPS Malta board"
53361ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
534a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5357a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5361da177e4SLinus Torvalds	select BOOT_ELF32
537fa71c960SRalf Baechle	select BOOT_RAW
538e8823d26SPaul Burton	select BUILTIN_DTB
53942f77542SRalf Baechle	select CEVT_R4K
540fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
54142b002abSGuenter Roeck	select COMMON_CLK
54247bf2b03SMaksym Kokhan	select CSRC_R4K
543885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
5441da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5458a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
546eb01d42aSChristoph Hellwig	select HAVE_PCI
547d865bea4SRalf Baechle	select I8253
5481da177e4SLinus Torvalds	select I8259
54947bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
5505e83d430SRalf Baechle	select MIPS_BONITO64
5519318c51aSChris Dearman	select MIPS_CPU_SCACHE
55247bf2b03SMaksym Kokhan	select MIPS_GIC
553a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5545e83d430SRalf Baechle	select MIPS_MSC
55547bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
556ecafe3e9SPaul Burton	select SMP_UP if SMP
5571da177e4SLinus Torvalds	select SWAP_IO_SPACE
5587cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5597cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
560bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
561c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
562575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5637cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5645d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
565575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5667cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5677cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
568ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
569ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5705e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
571c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5725e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
573424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
57447bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5750365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
576e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
577f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
57847bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5799693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
580f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5811b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
582e8823d26SPaul Burton	select USE_OF
583abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5841da177e4SLinus Torvalds	help
585f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5861da177e4SLinus Torvalds	  board.
5871da177e4SLinus Torvalds
5882572f00dSJoshua Hendersonconfig MACH_PIC32
5892572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5902572f00dSJoshua Henderson	help
5912572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5922572f00dSJoshua Henderson
5932572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5942572f00dSJoshua Henderson	  microcontrollers.
5952572f00dSJoshua Henderson
596a83860c2SRalf Baechleconfig NEC_MARKEINS
597a83860c2SRalf Baechle	bool "NEC EMMA2RH Mark-eins board"
598a83860c2SRalf Baechle	select SOC_EMMA2RH
599eb01d42aSChristoph Hellwig	select HAVE_PCI
600a83860c2SRalf Baechle	help
601a83860c2SRalf Baechle	  This enables support for the NEC Electronics Mark-eins boards.
602ade299d8SYoichi Yuasa
6035e83d430SRalf Baechleconfig MACH_VR41XX
60474142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
60542f77542SRalf Baechle	select CEVT_R4K
606940f6b48SRalf Baechle	select CSRC_R4K
6077cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
608377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
609d30a2b47SLinus Walleij	select GPIOLIB
6105e83d430SRalf Baechle
611edb6310aSDaniel Lairdconfig NXP_STB220
612edb6310aSDaniel Laird	bool "NXP STB220 board"
613edb6310aSDaniel Laird	select SOC_PNX833X
614edb6310aSDaniel Laird	help
615edb6310aSDaniel Laird	  Support for NXP Semiconductors STB220 Development Board.
616edb6310aSDaniel Laird
617edb6310aSDaniel Lairdconfig NXP_STB225
618edb6310aSDaniel Laird	bool "NXP 225 board"
619edb6310aSDaniel Laird	select SOC_PNX833X
620edb6310aSDaniel Laird	select SOC_PNX8335
621edb6310aSDaniel Laird	help
622edb6310aSDaniel Laird	  Support for NXP Semiconductors STB225 Development Board.
623edb6310aSDaniel Laird
6249267a30dSMarc St-Jeanconfig PMC_MSP
6259267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
62639d30c13SAnoop P A	select CEVT_R4K
62739d30c13SAnoop P A	select CSRC_R4K
6289267a30dSMarc St-Jean	select DMA_NONCOHERENT
6299267a30dSMarc St-Jean	select SWAP_IO_SPACE
6309267a30dSMarc St-Jean	select NO_EXCEPT_FILL
6319267a30dSMarc St-Jean	select BOOT_RAW
6329267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
6339267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
6349267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
6359267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
636377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
63767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
6389267a30dSMarc St-Jean	select SERIAL_8250
6399267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
6409296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_MMIO
6419296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_DESC
6429267a30dSMarc St-Jean	help
6439267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
6449267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
6459267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
6469267a30dSMarc St-Jean	  a variety of MIPS cores.
6479267a30dSMarc St-Jean
648ae2b5bb6SJohn Crispinconfig RALINK
649ae2b5bb6SJohn Crispin	bool "Ralink based machines"
650ae2b5bb6SJohn Crispin	select CEVT_R4K
651ae2b5bb6SJohn Crispin	select CSRC_R4K
652ae2b5bb6SJohn Crispin	select BOOT_RAW
653ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
65467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
655ae2b5bb6SJohn Crispin	select USE_OF
656ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
657ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
658ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
659ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
660377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
661ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
662ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6632a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6642a153f1cSJohn Crispin	select RESET_CONTROLLER
665ae2b5bb6SJohn Crispin
6661da177e4SLinus Torvaldsconfig SGI_IP22
6673fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
668c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
66939b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6700e2794b0SRalf Baechle	select FW_ARC
6710e2794b0SRalf Baechle	select FW_ARC32
6727a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6731da177e4SLinus Torvalds	select BOOT_ELF32
67442f77542SRalf Baechle	select CEVT_R4K
675940f6b48SRalf Baechle	select CSRC_R4K
676e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6771da177e4SLinus Torvalds	select DMA_NONCOHERENT
6786630a8e5SChristoph Hellwig	select HAVE_EISA
679d865bea4SRalf Baechle	select I8253
68068de4803SThomas Bogendoerfer	select I8259
6811da177e4SLinus Torvalds	select IP22_CPU_SCACHE
68267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
683aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
684e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
685e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
68636e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
687e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
688e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
689e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6901da177e4SLinus Torvalds	select SWAP_IO_SPACE
6917cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6927cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
693c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
694ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
695ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6965e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
697930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6981da177e4SLinus Torvalds	help
6991da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
7001da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
7011da177e4SLinus Torvalds	  that runs on these, say Y here.
7021da177e4SLinus Torvalds
7031da177e4SLinus Torvaldsconfig SGI_IP27
7043fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
70554aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
706397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
7070e2794b0SRalf Baechle	select FW_ARC
7080e2794b0SRalf Baechle	select FW_ARC64
709e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
7105e83d430SRalf Baechle	select BOOT_ELF64
711e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
71236a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
713eb01d42aSChristoph Hellwig	select HAVE_PCI
71469a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
715e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
716130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
717a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
718a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7197cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
720ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7215e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
722d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
7231a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
724930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7251da177e4SLinus Torvalds	help
7261da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
7271da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
7281da177e4SLinus Torvalds	  here.
7291da177e4SLinus Torvalds
730e2defae5SThomas Bogendoerferconfig SGI_IP28
7317d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
732c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
73339b2d756SThomas Bogendoerfer	select ARC_PROMLIB
7340e2794b0SRalf Baechle	select FW_ARC
7350e2794b0SRalf Baechle	select FW_ARC64
7367a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
737e2defae5SThomas Bogendoerfer	select BOOT_ELF64
738e2defae5SThomas Bogendoerfer	select CEVT_R4K
739e2defae5SThomas Bogendoerfer	select CSRC_R4K
740e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
741e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
742e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
74367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7446630a8e5SChristoph Hellwig	select HAVE_EISA
745e2defae5SThomas Bogendoerfer	select I8253
746e2defae5SThomas Bogendoerfer	select I8259
747e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
748e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7495b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
750e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
751e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
752e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
753e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
754e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
755c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
756e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
757e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
758dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
759e2defae5SThomas Bogendoerfer	help
760e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
761e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
762e2defae5SThomas Bogendoerfer
7637505576dSThomas Bogendoerferconfig SGI_IP30
7647505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7657505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7667505576dSThomas Bogendoerfer	select FW_ARC
7677505576dSThomas Bogendoerfer	select FW_ARC64
7687505576dSThomas Bogendoerfer	select BOOT_ELF64
7697505576dSThomas Bogendoerfer	select CEVT_R4K
7707505576dSThomas Bogendoerfer	select CSRC_R4K
7717505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7727505576dSThomas Bogendoerfer	select ZONE_DMA32
7737505576dSThomas Bogendoerfer	select HAVE_PCI
7747505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7757505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7767505576dSThomas Bogendoerfer	select NR_CPUS_DEFAULT_2
7777505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7787505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7797505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7807505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7817505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7827505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7837505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
7847505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7857505576dSThomas Bogendoerfer	select ARC_MEMORY
7867505576dSThomas Bogendoerfer	help
7877505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
7887505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
7897505576dSThomas Bogendoerfer
7901da177e4SLinus Torvaldsconfig SGI_IP32
791cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
79239b2d756SThomas Bogendoerfer	select ARC_MEMORY
79339b2d756SThomas Bogendoerfer	select ARC_PROMLIB
79403df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7950e2794b0SRalf Baechle	select FW_ARC
7960e2794b0SRalf Baechle	select FW_ARC32
7971da177e4SLinus Torvalds	select BOOT_ELF32
79842f77542SRalf Baechle	select CEVT_R4K
799940f6b48SRalf Baechle	select CSRC_R4K
8001da177e4SLinus Torvalds	select DMA_NONCOHERENT
801eb01d42aSChristoph Hellwig	select HAVE_PCI
80267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
8031da177e4SLinus Torvalds	select R5000_CPU_SCACHE
8041da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
8057cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
8067cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
8077cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
808dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
809ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
8105e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8111da177e4SLinus Torvalds	help
8121da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
8131da177e4SLinus Torvalds
814ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
815ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
8165e83d430SRalf Baechle	select BOOT_ELF32
8175e83d430SRalf Baechle	select SIBYTE_BCM1120
8185e83d430SRalf Baechle	select SWAP_IO_SPACE
8197cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8205e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8215e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8225e83d430SRalf Baechle
823ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
824ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
8255e83d430SRalf Baechle	select BOOT_ELF32
8265e83d430SRalf Baechle	select SIBYTE_BCM1120
8275e83d430SRalf Baechle	select SWAP_IO_SPACE
8287cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8295e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8305e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8315e83d430SRalf Baechle
8325e83d430SRalf Baechleconfig SIBYTE_CRHONE
8333fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
8345e83d430SRalf Baechle	select BOOT_ELF32
8355e83d430SRalf Baechle	select SIBYTE_BCM1125
8365e83d430SRalf Baechle	select SWAP_IO_SPACE
8377cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8385e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8395e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8405e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8415e83d430SRalf Baechle
842ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
843ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
844ade299d8SYoichi Yuasa	select BOOT_ELF32
845ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
846ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
847ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
848ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
849ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
850ade299d8SYoichi Yuasa
851ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
852ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
853ade299d8SYoichi Yuasa	select BOOT_ELF32
854fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
855ade299d8SYoichi Yuasa	select SIBYTE_SB1250
856ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
857ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
858ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
859ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
860ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
861cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
862e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
863ade299d8SYoichi Yuasa
864ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
865ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
866ade299d8SYoichi Yuasa	select BOOT_ELF32
867fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
868ade299d8SYoichi Yuasa	select SIBYTE_SB1250
869ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
870ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
871ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
872ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
873ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
874756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
875ade299d8SYoichi Yuasa
876ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
877ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
878ade299d8SYoichi Yuasa	select BOOT_ELF32
879ade299d8SYoichi Yuasa	select SIBYTE_SB1250
880ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
881ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
882ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
883ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
884e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
885ade299d8SYoichi Yuasa
886ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
887ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
888ade299d8SYoichi Yuasa	select BOOT_ELF32
889ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
890ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
891ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
892ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
893ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
894651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
895ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
896cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
897e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
898ade299d8SYoichi Yuasa
89914b36af4SThomas Bogendoerferconfig SNI_RM
90014b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
90139b2d756SThomas Bogendoerfer	select ARC_MEMORY
90239b2d756SThomas Bogendoerfer	select ARC_PROMLIB
9030e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
9040e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
905aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
9065e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
907a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
9087a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
9095e83d430SRalf Baechle	select BOOT_ELF32
91042f77542SRalf Baechle	select CEVT_R4K
911940f6b48SRalf Baechle	select CSRC_R4K
912e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
9135e83d430SRalf Baechle	select DMA_NONCOHERENT
9145e83d430SRalf Baechle	select GENERIC_ISA_DMA
9156630a8e5SChristoph Hellwig	select HAVE_EISA
9168a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
917eb01d42aSChristoph Hellwig	select HAVE_PCI
91867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
919d865bea4SRalf Baechle	select I8253
9205e83d430SRalf Baechle	select I8259
9215e83d430SRalf Baechle	select ISA
9224a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
9237cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
9244a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
925c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
9264a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
92736a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
928ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
9297d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
9304a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
9315e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
9325e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
9331da177e4SLinus Torvalds	help
93414b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
93514b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
9365e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
9375e83d430SRalf Baechle	  support this machine type.
9381da177e4SLinus Torvalds
939edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
940edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9415e83d430SRalf Baechle
942edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
943edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
94423fbee9dSRalf Baechle
94573b4390fSRalf Baechleconfig MIKROTIK_RB532
94673b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
94773b4390fSRalf Baechle	select CEVT_R4K
94873b4390fSRalf Baechle	select CSRC_R4K
94973b4390fSRalf Baechle	select DMA_NONCOHERENT
950eb01d42aSChristoph Hellwig	select HAVE_PCI
95167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
95273b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
95373b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
95473b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
95573b4390fSRalf Baechle	select SWAP_IO_SPACE
95673b4390fSRalf Baechle	select BOOT_RAW
957d30a2b47SLinus Walleij	select GPIOLIB
958930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
95973b4390fSRalf Baechle	help
96073b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
96173b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
96273b4390fSRalf Baechle
9639ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9649ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
965a86c7f72SDavid Daney	select CEVT_R4K
966ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9671753d50cSChristoph Hellwig	select HAVE_RAPIDIO
968d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
969a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
970a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
971f65aad41SRalf Baechle	select EDAC_SUPPORT
972b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
97373569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
97473569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
975a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9765e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
977eb01d42aSChristoph Hellwig	select HAVE_PCI
978f00e001eSDavid Daney	select ZONE_DMA32
979465aaed0SDavid Daney	select HOLES_IN_ZONE
980d30a2b47SLinus Walleij	select GPIOLIB
9816e511163SDavid Daney	select USE_OF
9826e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9836e511163SDavid Daney	select SYS_SUPPORTS_SMP
9847820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9857820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
986e326479fSAndrew Bresticker	select BUILTIN_DTB
9878c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
98809230cbcSChristoph Hellwig	select SWIOTLB
9893ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
990a86c7f72SDavid Daney	help
991a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
992a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
993a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
994a86c7f72SDavid Daney	  Some of the supported boards are:
995a86c7f72SDavid Daney		EBT3000
996a86c7f72SDavid Daney		EBH3000
997a86c7f72SDavid Daney		EBH3100
998a86c7f72SDavid Daney		Thunder
999a86c7f72SDavid Daney		Kodama
1000a86c7f72SDavid Daney		Hikari
1001a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
1002a86c7f72SDavid Daney
10037f058e85SJayachandran Cconfig NLM_XLR_BOARD
10047f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
10057f058e85SJayachandran C	select BOOT_ELF32
10067f058e85SJayachandran C	select NLM_COMMON
10077f058e85SJayachandran C	select SYS_HAS_CPU_XLR
10087f058e85SJayachandran C	select SYS_SUPPORTS_SMP
1009eb01d42aSChristoph Hellwig	select HAVE_PCI
10107f058e85SJayachandran C	select SWAP_IO_SPACE
10117f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
10127f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
1013d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
10147f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10157f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10167f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
10177f058e85SJayachandran C	select CEVT_R4K
10187f058e85SJayachandran C	select CSRC_R4K
101967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1020b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10217f058e85SJayachandran C	select SYNC_R4K
10227f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
10238f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10248f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10257f058e85SJayachandran C	help
10267f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
10277f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
10287f058e85SJayachandran C
10291c773ea4SJayachandran Cconfig NLM_XLP_BOARD
10301c773ea4SJayachandran C	bool "Netlogic XLP based systems"
10311c773ea4SJayachandran C	select BOOT_ELF32
10321c773ea4SJayachandran C	select NLM_COMMON
10331c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
10341c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
1035eb01d42aSChristoph Hellwig	select HAVE_PCI
10361c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
10371c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
1038d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1039d30a2b47SLinus Walleij	select GPIOLIB
10401c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10411c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
10421c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10431c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
10441c773ea4SJayachandran C	select CEVT_R4K
10451c773ea4SJayachandran C	select CSRC_R4K
104667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1047b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10481c773ea4SJayachandran C	select SYNC_R4K
10491c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
10502f6528e1SJayachandran C	select USE_OF
10518f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10528f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10531c773ea4SJayachandran C	help
10541c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
10551c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
10561c773ea4SJayachandran C
10579bc463beSDavid Daneyconfig MIPS_PARAVIRT
10589bc463beSDavid Daney	bool "Para-Virtualized guest system"
10599bc463beSDavid Daney	select CEVT_R4K
10609bc463beSDavid Daney	select CSRC_R4K
10619bc463beSDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
10629bc463beSDavid Daney	select SYS_SUPPORTS_32BIT_KERNEL
10639bc463beSDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
10649bc463beSDavid Daney	select SYS_SUPPORTS_SMP
10659bc463beSDavid Daney	select NR_CPUS_DEFAULT_4
10669bc463beSDavid Daney	select SYS_HAS_EARLY_PRINTK
10679bc463beSDavid Daney	select SYS_HAS_CPU_MIPS32_R2
10689bc463beSDavid Daney	select SYS_HAS_CPU_MIPS64_R2
10699bc463beSDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
1070eb01d42aSChristoph Hellwig	select HAVE_PCI
10719bc463beSDavid Daney	select SWAP_IO_SPACE
10729bc463beSDavid Daney	help
10739bc463beSDavid Daney	  This option supports guest running under ????
10749bc463beSDavid Daney
10751da177e4SLinus Torvaldsendchoice
10761da177e4SLinus Torvalds
1077e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10783b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1079d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1080a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1081e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10828945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1083eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
10845e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10855ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
10868ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10871f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
10882572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1089af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
10900f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig"
1091ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
109229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
109338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
109422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10955e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1096a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
109771e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
109830ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
109930ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
11007f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
1101ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig"
110238b18f72SRalf Baechle
11035e83d430SRalf Baechleendmenu
11045e83d430SRalf Baechle
11053c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
11063c9ee7efSAkinobu Mita	bool
11073c9ee7efSAkinobu Mita	default y
11083c9ee7efSAkinobu Mita
11091da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
11101da177e4SLinus Torvalds	bool
11111da177e4SLinus Torvalds	default y
11121da177e4SLinus Torvalds
1113ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
11141cc89038SAtsushi Nemoto	bool
11151cc89038SAtsushi Nemoto	default y
11161cc89038SAtsushi Nemoto
11171da177e4SLinus Torvalds#
11181da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
11191da177e4SLinus Torvalds#
11200e2794b0SRalf Baechleconfig FW_ARC
11211da177e4SLinus Torvalds	bool
11221da177e4SLinus Torvalds
112361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
112461ed242dSRalf Baechle	bool
112561ed242dSRalf Baechle
11269267a30dSMarc St-Jeanconfig BOOT_RAW
11279267a30dSMarc St-Jean	bool
11289267a30dSMarc St-Jean
1129217dd11eSRalf Baechleconfig CEVT_BCM1480
1130217dd11eSRalf Baechle	bool
1131217dd11eSRalf Baechle
11326457d9fcSYoichi Yuasaconfig CEVT_DS1287
11336457d9fcSYoichi Yuasa	bool
11346457d9fcSYoichi Yuasa
11351097c6acSYoichi Yuasaconfig CEVT_GT641XX
11361097c6acSYoichi Yuasa	bool
11371097c6acSYoichi Yuasa
113842f77542SRalf Baechleconfig CEVT_R4K
113942f77542SRalf Baechle	bool
114042f77542SRalf Baechle
1141217dd11eSRalf Baechleconfig CEVT_SB1250
1142217dd11eSRalf Baechle	bool
1143217dd11eSRalf Baechle
1144229f773eSAtsushi Nemotoconfig CEVT_TXX9
1145229f773eSAtsushi Nemoto	bool
1146229f773eSAtsushi Nemoto
1147217dd11eSRalf Baechleconfig CSRC_BCM1480
1148217dd11eSRalf Baechle	bool
1149217dd11eSRalf Baechle
11504247417dSYoichi Yuasaconfig CSRC_IOASIC
11514247417dSYoichi Yuasa	bool
11524247417dSYoichi Yuasa
1153940f6b48SRalf Baechleconfig CSRC_R4K
1154940f6b48SRalf Baechle	bool
1155940f6b48SRalf Baechle
1156217dd11eSRalf Baechleconfig CSRC_SB1250
1157217dd11eSRalf Baechle	bool
1158217dd11eSRalf Baechle
1159a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1160a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1161a7f4df4eSAlex Smith
1162a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1163d30a2b47SLinus Walleij	select GPIOLIB
1164a9aec7feSAtsushi Nemoto	bool
1165a9aec7feSAtsushi Nemoto
11660e2794b0SRalf Baechleconfig FW_CFE
1167df78b5c8SAurelien Jarno	bool
1168df78b5c8SAurelien Jarno
116940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
117040e084a5SRalf Baechle	bool
117140e084a5SRalf Baechle
1172885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1173f3ecc0ffSChristoph Hellwig	select ARCH_HAS_DMA_COHERENCE_H
1174885014bcSFelix Fietkau	select DMA_NONCOHERENT
1175885014bcSFelix Fietkau	bool
1176885014bcSFelix Fietkau
117720d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
117820d33064SPaul Burton	bool
1179347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
11805748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
118120d33064SPaul Burton
11821da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11831da177e4SLinus Torvalds	bool
1184db91427bSChristoph Hellwig	#
1185db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1186db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1187db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1188db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1189db91427bSChristoph Hellwig	# significant advantages.
1190db91427bSChristoph Hellwig	#
1191419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1192f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
11932ee7a4efSChristoph Hellwig	select ARCH_HAS_UNCACHED_SEGMENT
119434dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
1195f8c55dc6SChristoph Hellwig	select DMA_NONCOHERENT_CACHE_SYNC
119634dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11974ce588cdSRalf Baechle
119836a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11991da177e4SLinus Torvalds	bool
12001da177e4SLinus Torvalds
12011b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1202dbb74540SRalf Baechle	bool
1203dbb74540SRalf Baechle
12041da177e4SLinus Torvaldsconfig MIPS_BONITO64
12051da177e4SLinus Torvalds	bool
12061da177e4SLinus Torvalds
12071da177e4SLinus Torvaldsconfig MIPS_MSC
12081da177e4SLinus Torvalds	bool
12091da177e4SLinus Torvalds
12101f21d2bdSBrian Murphyconfig MIPS_NILE4
12111f21d2bdSBrian Murphy	bool
12121f21d2bdSBrian Murphy
121339b8d525SRalf Baechleconfig SYNC_R4K
121439b8d525SRalf Baechle	bool
121539b8d525SRalf Baechle
1216487d70d0SGabor Juhosconfig MIPS_MACHINE
1217487d70d0SGabor Juhos	def_bool n
1218487d70d0SGabor Juhos
1219ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1220d388d685SMaciej W. Rozycki	def_bool n
1221d388d685SMaciej W. Rozycki
12224e0748f5SMarkos Chandrasconfig GENERIC_CSUM
122318d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
12244e0748f5SMarkos Chandras
12258313da30SRalf Baechleconfig GENERIC_ISA_DMA
12268313da30SRalf Baechle	bool
12278313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1228a35bee8aSNamhyung Kim	select ISA_DMA_API
12298313da30SRalf Baechle
1230aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1231aa414dffSRalf Baechle	bool
12328313da30SRalf Baechle	select GENERIC_ISA_DMA
1233aa414dffSRalf Baechle
1234a35bee8aSNamhyung Kimconfig ISA_DMA_API
1235a35bee8aSNamhyung Kim	bool
1236a35bee8aSNamhyung Kim
1237465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1238465aaed0SDavid Daney	bool
1239465aaed0SDavid Daney
12408c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
12418c530ea3SMatt Redfearn	bool
12428c530ea3SMatt Redfearn	help
12438c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
12448c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
12458c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
12468c530ea3SMatt Redfearn
1247f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT
1248f381bf6dSDavid Daney	def_bool y
1249f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_CBPF_JIT
1250f381bf6dSDavid Daney
1251f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT
1252f381bf6dSDavid Daney	def_bool y
1253f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_EBPF_JIT
1254f381bf6dSDavid Daney
1255f381bf6dSDavid Daney
12565e83d430SRalf Baechle#
12576b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
12585e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
12595e83d430SRalf Baechle# choice statement should be more obvious to the user.
12605e83d430SRalf Baechle#
12615e83d430SRalf Baechlechoice
12626b2aac42SMasanari Iida	prompt "Endianness selection"
12631da177e4SLinus Torvalds	help
12641da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
12655e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
12663cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
12675e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
12683dde6ad8SDavid Sterba	  one or the other endianness.
12695e83d430SRalf Baechle
12705e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
12715e83d430SRalf Baechle	bool "Big endian"
12725e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
12735e83d430SRalf Baechle
12745e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
12755e83d430SRalf Baechle	bool "Little endian"
12765e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
12775e83d430SRalf Baechle
12785e83d430SRalf Baechleendchoice
12795e83d430SRalf Baechle
128022b0763aSDavid Daneyconfig EXPORT_UASM
128122b0763aSDavid Daney	bool
128222b0763aSDavid Daney
12832116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
12842116245eSRalf Baechle	bool
12852116245eSRalf Baechle
12865e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
12875e83d430SRalf Baechle	bool
12885e83d430SRalf Baechle
12895e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12905e83d430SRalf Baechle	bool
12911da177e4SLinus Torvalds
12929cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
12939cffd154SDavid Daney	bool
129445e03e62SDaniel Silsby	depends on CPU_SUPPORTS_HUGEPAGES
12959cffd154SDavid Daney	default y
12969cffd154SDavid Daney
1297aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1298aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1299aa1762f4SDavid Daney
13001da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
13011da177e4SLinus Torvalds	bool
13021da177e4SLinus Torvalds
13039267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
13049267a30dSMarc St-Jean	bool
13059267a30dSMarc St-Jean
13069267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
13079267a30dSMarc St-Jean	bool
13089267a30dSMarc St-Jean
13098420fd00SAtsushi Nemotoconfig IRQ_TXX9
13108420fd00SAtsushi Nemoto	bool
13118420fd00SAtsushi Nemoto
1312d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1313d5ab1a69SYoichi Yuasa	bool
1314d5ab1a69SYoichi Yuasa
1315252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
13161da177e4SLinus Torvalds	bool
13171da177e4SLinus Torvalds
1318a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1319a57140e9SThomas Bogendoerfer	bool
1320a57140e9SThomas Bogendoerfer
13219267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
13229267a30dSMarc St-Jean	bool
13239267a30dSMarc St-Jean
1324a83860c2SRalf Baechleconfig SOC_EMMA2RH
1325a83860c2SRalf Baechle	bool
1326a83860c2SRalf Baechle	select CEVT_R4K
1327a83860c2SRalf Baechle	select CSRC_R4K
1328a83860c2SRalf Baechle	select DMA_NONCOHERENT
132967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1330a83860c2SRalf Baechle	select SWAP_IO_SPACE
1331a83860c2SRalf Baechle	select SYS_HAS_CPU_R5500
1332a83860c2SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
1333a83860c2SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
1334a83860c2SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
1335a83860c2SRalf Baechle
1336edb6310aSDaniel Lairdconfig SOC_PNX833X
1337edb6310aSDaniel Laird	bool
1338edb6310aSDaniel Laird	select CEVT_R4K
1339edb6310aSDaniel Laird	select CSRC_R4K
134067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1341edb6310aSDaniel Laird	select DMA_NONCOHERENT
1342edb6310aSDaniel Laird	select SYS_HAS_CPU_MIPS32_R2
1343edb6310aSDaniel Laird	select SYS_SUPPORTS_32BIT_KERNEL
1344edb6310aSDaniel Laird	select SYS_SUPPORTS_LITTLE_ENDIAN
1345edb6310aSDaniel Laird	select SYS_SUPPORTS_BIG_ENDIAN
1346377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1347edb6310aSDaniel Laird	select CPU_MIPSR2_IRQ_VI
1348edb6310aSDaniel Laird
1349edb6310aSDaniel Lairdconfig SOC_PNX8335
1350edb6310aSDaniel Laird	bool
1351edb6310aSDaniel Laird	select SOC_PNX833X
1352edb6310aSDaniel Laird
1353a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1354a7e07b1aSMarkos Chandras	bool
1355a7e07b1aSMarkos Chandras
13561da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
13571da177e4SLinus Torvalds	bool
13581da177e4SLinus Torvalds
1359e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1360e2defae5SThomas Bogendoerfer	bool
1361e2defae5SThomas Bogendoerfer
13625b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
13635b438c44SThomas Bogendoerfer	bool
13645b438c44SThomas Bogendoerfer
1365e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1366e2defae5SThomas Bogendoerfer	bool
1367e2defae5SThomas Bogendoerfer
1368e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1369e2defae5SThomas Bogendoerfer	bool
1370e2defae5SThomas Bogendoerfer
1371e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1372e2defae5SThomas Bogendoerfer	bool
1373e2defae5SThomas Bogendoerfer
1374e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1375e2defae5SThomas Bogendoerfer	bool
1376e2defae5SThomas Bogendoerfer
1377e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1378e2defae5SThomas Bogendoerfer	bool
1379e2defae5SThomas Bogendoerfer
13800e2794b0SRalf Baechleconfig FW_ARC32
13815e83d430SRalf Baechle	bool
13825e83d430SRalf Baechle
1383aaa9fad3SPaul Bolleconfig FW_SNIPROM
1384231a35d3SThomas Bogendoerfer	bool
1385231a35d3SThomas Bogendoerfer
13861da177e4SLinus Torvaldsconfig BOOT_ELF32
13871da177e4SLinus Torvalds	bool
13881da177e4SLinus Torvalds
1389930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1390930beb5aSFlorian Fainelli	bool
1391930beb5aSFlorian Fainelli
1392930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1393930beb5aSFlorian Fainelli	bool
1394930beb5aSFlorian Fainelli
1395930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1396930beb5aSFlorian Fainelli	bool
1397930beb5aSFlorian Fainelli
1398930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1399930beb5aSFlorian Fainelli	bool
1400930beb5aSFlorian Fainelli
14011da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
14021da177e4SLinus Torvalds	int
1403a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
14045432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
14055432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
14065432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
14071da177e4SLinus Torvalds	default "5"
14081da177e4SLinus Torvalds
14091da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT
14101da177e4SLinus Torvalds	bool
14111da177e4SLinus Torvalds
1412e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1413e9422427SThomas Bogendoerfer	bool
1414e9422427SThomas Bogendoerfer
14151da177e4SLinus Torvaldsconfig ARC_CONSOLE
14161da177e4SLinus Torvalds	bool "ARC console support"
1417e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
14181da177e4SLinus Torvalds
14191da177e4SLinus Torvaldsconfig ARC_MEMORY
14201da177e4SLinus Torvalds	bool
14211da177e4SLinus Torvalds
14221da177e4SLinus Torvaldsconfig ARC_PROMLIB
14231da177e4SLinus Torvalds	bool
14241da177e4SLinus Torvalds
14250e2794b0SRalf Baechleconfig FW_ARC64
14261da177e4SLinus Torvalds	bool
14271da177e4SLinus Torvalds
14281da177e4SLinus Torvaldsconfig BOOT_ELF64
14291da177e4SLinus Torvalds	bool
14301da177e4SLinus Torvalds
14311da177e4SLinus Torvaldsmenu "CPU selection"
14321da177e4SLinus Torvalds
14331da177e4SLinus Torvaldschoice
14341da177e4SLinus Torvalds	prompt "CPU type"
14351da177e4SLinus Torvalds	default CPU_R4X00
14361da177e4SLinus Torvalds
1437268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1438caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1439268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1440d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
144151522217SJiaxun Yang	select CPU_MIPSR2
144251522217SJiaxun Yang	select CPU_HAS_PREFETCH
14430e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
14440e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
14450e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
14467507445bSHuacai Chen	select CPU_SUPPORTS_MSA
144751522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
144851522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
14490e476d91SHuacai Chen	select WEAK_ORDERING
14500e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
14517507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1452b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
145317c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
1454d30a2b47SLinus Walleij	select GPIOLIB
145509230cbcSChristoph Hellwig	select SWIOTLB
14560e476d91SHuacai Chen	help
1457caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1458caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1459caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1460caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1461caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
14620e476d91SHuacai Chen
1463caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1464caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
14651e820da3SHuacai Chen	default n
1466268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
14671e820da3SHuacai Chen	help
1468caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
14691e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1470268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
14711e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
14721e820da3SHuacai Chen	  Fast TLB refill support, etc.
14731e820da3SHuacai Chen
14741e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
14751e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
14761e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1477caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
14781e820da3SHuacai Chen
1479e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1480caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1481e02e07e3SHuacai Chen	default y if SMP
1482268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1483e02e07e3SHuacai Chen	help
1484caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1485e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1486e02e07e3SHuacai Chen
1487caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1488e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1489e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1490e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1491e02e07e3SHuacai Chen
1492e02e07e3SHuacai Chen	  If unsure, please say Y.
1493e02e07e3SHuacai Chen
14943702bba5SWu Zhangjinconfig CPU_LOONGSON2E
14953702bba5SWu Zhangjin	bool "Loongson 2E"
14963702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1497268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
14982a21c730SFuxin Zhang	help
14992a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
15002a21c730SFuxin Zhang	  with many extensions.
15012a21c730SFuxin Zhang
150225985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
15036f7a251aSWu Zhangjin	  bonito64.
15046f7a251aSWu Zhangjin
15056f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
15066f7a251aSWu Zhangjin	bool "Loongson 2F"
15076f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1508268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1509d30a2b47SLinus Walleij	select GPIOLIB
15106f7a251aSWu Zhangjin	help
15116f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
15126f7a251aSWu Zhangjin	  with many extensions.
15136f7a251aSWu Zhangjin
15146f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
15156f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
15166f7a251aSWu Zhangjin	  Loongson2E.
15176f7a251aSWu Zhangjin
1518ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1519ca585cf9SKelvin Cheung	bool "Loongson 1B"
1520ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1521b2afb64cSHuacai Chen	select CPU_LOONGSON32
15229ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1523ca585cf9SKelvin Cheung	help
1524ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1525968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1526968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1527ca585cf9SKelvin Cheung
152812e3280bSYang Lingconfig CPU_LOONGSON1C
152912e3280bSYang Ling	bool "Loongson 1C"
153012e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1531b2afb64cSHuacai Chen	select CPU_LOONGSON32
153212e3280bSYang Ling	select LEDS_GPIO_REGISTER
153312e3280bSYang Ling	help
153412e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1535968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1536968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
153712e3280bSYang Ling
15386e760c8dSRalf Baechleconfig CPU_MIPS32_R1
15396e760c8dSRalf Baechle	bool "MIPS32 Release 1"
15407cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
15416e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1542797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1543ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15446e760c8dSRalf Baechle	help
15455e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15461e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15471e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15481e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15491e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15501e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
15511e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
15521e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
15531e5f1caaSRalf Baechle	  performance.
15541e5f1caaSRalf Baechle
15551e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
15561e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
15577cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
15581e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1559797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1560ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1561a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
15622235a54dSSanjay Lal	select HAVE_KVM
15631e5f1caaSRalf Baechle	help
15645e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15656e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15666e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15676e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15686e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15691da177e4SLinus Torvalds
15707fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1571674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
15727fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
15737fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
157418d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15757fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15767fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
15777fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15787fd08ca5SLeonid Yegoshin	select HAVE_KVM
15797fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
15807fd08ca5SLeonid Yegoshin	help
15817fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15827fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
15837fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
15847fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
15857fd08ca5SLeonid Yegoshin
15866e760c8dSRalf Baechleconfig CPU_MIPS64_R1
15876e760c8dSRalf Baechle	bool "MIPS64 Release 1"
15887cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1589797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1590ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1591ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1592ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15939cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
15946e760c8dSRalf Baechle	help
15956e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15966e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15976e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15986e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15996e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
16001e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
16011e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
16021e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
16031e5f1caaSRalf Baechle	  performance.
16041e5f1caaSRalf Baechle
16051e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
16061e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
16077cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1608797798c1SRalf Baechle	select CPU_HAS_PREFETCH
16091e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
16101e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1611ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
16129cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1613a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
161440a2df49SJames Hogan	select HAVE_KVM
16151e5f1caaSRalf Baechle	help
16161e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
16171e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
16181e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
16191e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
16201e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
16211da177e4SLinus Torvalds
16227fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1623674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
16247fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
16257fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
162618d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
16277fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
16287fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
16297fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1630afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
16317fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
16322e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
163340a2df49SJames Hogan	select HAVE_KVM
16347fd08ca5SLeonid Yegoshin	help
16357fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
16367fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
16377fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
16387fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
16397fd08ca5SLeonid Yegoshin
16401da177e4SLinus Torvaldsconfig CPU_R3000
16411da177e4SLinus Torvalds	bool "R3000"
16427cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1643f7062ddbSRalf Baechle	select CPU_HAS_WB
164454746829SPaul Burton	select CPU_R3K_TLB
1645ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1646797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
16471da177e4SLinus Torvalds	help
16481da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
16491da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
16501da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
16511da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
16521da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
16531da177e4SLinus Torvalds	  try to recompile with R3000.
16541da177e4SLinus Torvalds
16551da177e4SLinus Torvaldsconfig CPU_TX39XX
16561da177e4SLinus Torvalds	bool "R39XX"
16577cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1658ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
165954746829SPaul Burton	select CPU_R3K_TLB
16601da177e4SLinus Torvalds
16611da177e4SLinus Torvaldsconfig CPU_VR41XX
16621da177e4SLinus Torvalds	bool "R41xx"
16637cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1664ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1665ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
16661da177e4SLinus Torvalds	help
16675e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16681da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16691da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16701da177e4SLinus Torvalds	  processor or vice versa.
16711da177e4SLinus Torvalds
16721da177e4SLinus Torvaldsconfig CPU_R4X00
16731da177e4SLinus Torvalds	bool "R4x00"
16747cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1675ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1676ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1677970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16781da177e4SLinus Torvalds	help
16791da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16801da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16811da177e4SLinus Torvalds
16821da177e4SLinus Torvaldsconfig CPU_TX49XX
16831da177e4SLinus Torvalds	bool "R49XX"
16847cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1685de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1686ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1687ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1688970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16891da177e4SLinus Torvalds
16901da177e4SLinus Torvaldsconfig CPU_R5000
16911da177e4SLinus Torvalds	bool "R5000"
16927cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1693ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1694ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1695970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16961da177e4SLinus Torvalds	help
16971da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16981da177e4SLinus Torvalds
1699542c1020SShinya Kuribayashiconfig CPU_R5500
1700542c1020SShinya Kuribayashi	bool "R5500"
1701542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1702542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1703542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
17049cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1705542c1020SShinya Kuribayashi	help
1706542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1707542c1020SShinya Kuribayashi	  instruction set.
1708542c1020SShinya Kuribayashi
17091da177e4SLinus Torvaldsconfig CPU_NEVADA
17101da177e4SLinus Torvalds	bool "RM52xx"
17117cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1712ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1713ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1714970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17151da177e4SLinus Torvalds	help
17161da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
17171da177e4SLinus Torvalds
17181da177e4SLinus Torvaldsconfig CPU_R10000
17191da177e4SLinus Torvalds	bool "R10000"
17207cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
17215e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1722ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1723ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1724797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1725970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17261da177e4SLinus Torvalds	help
17271da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
17281da177e4SLinus Torvalds
17291da177e4SLinus Torvaldsconfig CPU_RM7000
17301da177e4SLinus Torvalds	bool "RM7000"
17317cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
17325e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1733ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1734ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1735797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1736970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17371da177e4SLinus Torvalds
17381da177e4SLinus Torvaldsconfig CPU_SB1
17391da177e4SLinus Torvalds	bool "SB1"
17407cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1741ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1742ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1743797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1744970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17450004a9dfSRalf Baechle	select WEAK_ORDERING
17461da177e4SLinus Torvalds
1747a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1748a86c7f72SDavid Daney	bool "Cavium Octeon processor"
17495e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1750a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1751a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1752a86c7f72SDavid Daney	select WEAK_ORDERING
1753a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17549cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1755df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1756df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1757930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17580ae3abcdSJames Hogan	select HAVE_KVM
1759a86c7f72SDavid Daney	help
1760a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1761a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1762a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1763a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1764a86c7f72SDavid Daney
1765cd746249SJonas Gorskiconfig CPU_BMIPS
1766cd746249SJonas Gorski	bool "Broadcom BMIPS"
1767cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1768cd746249SJonas Gorski	select CPU_MIPS32
1769fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1770cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1771cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1772cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1773cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1774cd746249SJonas Gorski	select DMA_NONCOHERENT
177567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1776cd746249SJonas Gorski	select SWAP_IO_SPACE
1777cd746249SJonas Gorski	select WEAK_ORDERING
1778c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
177969aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1780a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1781a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1782c1c0c461SKevin Cernekee	help
1783fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1784c1c0c461SKevin Cernekee
17857f058e85SJayachandran Cconfig CPU_XLR
17867f058e85SJayachandran C	bool "Netlogic XLR SoC"
17877f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
17887f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17897f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
17907f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1791970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17927f058e85SJayachandran C	select WEAK_ORDERING
17937f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
17947f058e85SJayachandran C	help
17957f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
17961c773ea4SJayachandran C
17971c773ea4SJayachandran Cconfig CPU_XLP
17981c773ea4SJayachandran C	bool "Netlogic XLP SoC"
17991c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
18001c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
18011c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
18021c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
18031c773ea4SJayachandran C	select WEAK_ORDERING
18041c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
18051c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1806d6504846SJayachandran C	select CPU_MIPSR2
1807ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
18082db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
18091c773ea4SJayachandran C	help
18101c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
18111da177e4SLinus Torvaldsendchoice
18121da177e4SLinus Torvalds
1813a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1814a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1815a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
18167fd08ca5SLeonid Yegoshin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1817a6e18781SLeonid Yegoshin	help
1818a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1819a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1820a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1821a6e18781SLeonid Yegoshin
1822a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1823a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1824a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1825a6e18781SLeonid Yegoshin	select EVA
1826a6e18781SLeonid Yegoshin	default y
1827a6e18781SLeonid Yegoshin	help
1828a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1829a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1830a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1831a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1832a6e18781SLeonid Yegoshin
1833c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1834c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1835c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1836c5b36783SSteven J. Hill	depends on CPU_MIPS32_R2
1837c5b36783SSteven J. Hill	help
1838c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1839c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1840c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1841c5b36783SSteven J. Hill
1842c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1843c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1844c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1845c5b36783SSteven J. Hill	depends on !EVA
1846c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1847c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1848c5b36783SSteven J. Hill	select XPA
1849c5b36783SSteven J. Hill	select HIGHMEM
1850d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1851c5b36783SSteven J. Hill	default n
1852c5b36783SSteven J. Hill	help
1853c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1854c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1855c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1856c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1857c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1858c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1859c5b36783SSteven J. Hill
1860622844bfSWu Zhangjinif CPU_LOONGSON2F
1861622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1862622844bfSWu Zhangjin	bool
1863622844bfSWu Zhangjin
1864622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1865622844bfSWu Zhangjin	bool
1866622844bfSWu Zhangjin
1867622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1868622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1869622844bfSWu Zhangjin	default y
1870622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1871622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1872622844bfSWu Zhangjin	help
1873622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1874622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1875622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1876622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1877622844bfSWu Zhangjin
1878622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1879622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1880622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1881622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1882622844bfSWu Zhangjin	  systems.
1883622844bfSWu Zhangjin
1884622844bfSWu Zhangjin	  If unsure, please say Y.
1885622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1886622844bfSWu Zhangjin
18871b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18881b93b3c3SWu Zhangjin	bool
18891b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18901b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
189131c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18921b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1893fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18944e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
18951b93b3c3SWu Zhangjin
18961b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18971b93b3c3SWu Zhangjin	bool
18981b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18991b93b3c3SWu Zhangjin
1900dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1901dbb98314SAlban Bedel	bool
1902dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1903dbb98314SAlban Bedel
1904268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
19053702bba5SWu Zhangjin	bool
19063702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
19073702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
19083702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1909970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1910e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
19113702bba5SWu Zhangjin
1912b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1913ca585cf9SKelvin Cheung	bool
1914ca585cf9SKelvin Cheung	select CPU_MIPS32
19157e280f6bSJiaxun Yang	select CPU_MIPSR2
1916ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1917ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1918ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1919f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1920ca585cf9SKelvin Cheung
1921fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
192204fa8bf7SJonas Gorski	select SMP_UP if SMP
19231bbb6c1bSKevin Cernekee	bool
1924cd746249SJonas Gorski
1925cd746249SJonas Gorskiconfig CPU_BMIPS4350
1926cd746249SJonas Gorski	bool
1927cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1928cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1929cd746249SJonas Gorski
1930cd746249SJonas Gorskiconfig CPU_BMIPS4380
1931cd746249SJonas Gorski	bool
1932bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1933cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1934cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1935b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1936cd746249SJonas Gorski
1937cd746249SJonas Gorskiconfig CPU_BMIPS5000
1938cd746249SJonas Gorski	bool
1939cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1940bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1941cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1942cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1943b4720809SFlorian Fainelli	select CPU_HAS_RIXI
19441bbb6c1bSKevin Cernekee
1945268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
19460e476d91SHuacai Chen	bool
19470e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1948b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19490e476d91SHuacai Chen
19503702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19512a21c730SFuxin Zhang	bool
19522a21c730SFuxin Zhang
19536f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19546f7a251aSWu Zhangjin	bool
195555045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
195655045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
19576f7a251aSWu Zhangjin
1958ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1959ca585cf9SKelvin Cheung	bool
1960ca585cf9SKelvin Cheung
196112e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
196212e3280bSYang Ling	bool
196312e3280bSYang Ling
19647cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
19657cf8053bSRalf Baechle	bool
19667cf8053bSRalf Baechle
19677cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
19687cf8053bSRalf Baechle	bool
19697cf8053bSRalf Baechle
1970a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1971a6e18781SLeonid Yegoshin	bool
1972a6e18781SLeonid Yegoshin
1973c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1974c5b36783SSteven J. Hill	bool
19759ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1976c5b36783SSteven J. Hill
19777fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
19787fd08ca5SLeonid Yegoshin	bool
19799ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19807fd08ca5SLeonid Yegoshin
19817cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
19827cf8053bSRalf Baechle	bool
19837cf8053bSRalf Baechle
19847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19857cf8053bSRalf Baechle	bool
19867cf8053bSRalf Baechle
19877fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19887fd08ca5SLeonid Yegoshin	bool
19899ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19907fd08ca5SLeonid Yegoshin
19917cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19927cf8053bSRalf Baechle	bool
19937cf8053bSRalf Baechle
19947cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19957cf8053bSRalf Baechle	bool
19967cf8053bSRalf Baechle
19977cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19987cf8053bSRalf Baechle	bool
19997cf8053bSRalf Baechle
20007cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
20017cf8053bSRalf Baechle	bool
20027cf8053bSRalf Baechle
20037cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
20047cf8053bSRalf Baechle	bool
20057cf8053bSRalf Baechle
20067cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
20077cf8053bSRalf Baechle	bool
20087cf8053bSRalf Baechle
2009542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
2010542c1020SShinya Kuribayashi	bool
2011542c1020SShinya Kuribayashi
20127cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
20137cf8053bSRalf Baechle	bool
20147cf8053bSRalf Baechle
20157cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
20167cf8053bSRalf Baechle	bool
20179ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20187cf8053bSRalf Baechle
20197cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
20207cf8053bSRalf Baechle	bool
20217cf8053bSRalf Baechle
20227cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
20237cf8053bSRalf Baechle	bool
20247cf8053bSRalf Baechle
20255e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
20265e683389SDavid Daney	bool
20275e683389SDavid Daney
2028cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
2029c1c0c461SKevin Cernekee	bool
2030c1c0c461SKevin Cernekee
2031fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
2032c1c0c461SKevin Cernekee	bool
2033cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2034c1c0c461SKevin Cernekee
2035c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
2036c1c0c461SKevin Cernekee	bool
2037cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2038c1c0c461SKevin Cernekee
2039c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
2040c1c0c461SKevin Cernekee	bool
2041cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2042c1c0c461SKevin Cernekee
2043c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2044c1c0c461SKevin Cernekee	bool
2045cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2046f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
2047c1c0c461SKevin Cernekee
20487f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20497f058e85SJayachandran C	bool
20507f058e85SJayachandran C
20511c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20521c773ea4SJayachandran C	bool
20531c773ea4SJayachandran C
205417099b11SRalf Baechle#
205517099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
205617099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
205717099b11SRalf Baechle#
20580004a9dfSRalf Baechleconfig WEAK_ORDERING
20590004a9dfSRalf Baechle	bool
206017099b11SRalf Baechle
206117099b11SRalf Baechle#
206217099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
206317099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
206417099b11SRalf Baechle#
206517099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
206617099b11SRalf Baechle	bool
20675e83d430SRalf Baechleendmenu
20685e83d430SRalf Baechle
20695e83d430SRalf Baechle#
20705e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
20715e83d430SRalf Baechle#
20725e83d430SRalf Baechleconfig CPU_MIPS32
20735e83d430SRalf Baechle	bool
20747fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
20755e83d430SRalf Baechle
20765e83d430SRalf Baechleconfig CPU_MIPS64
20775e83d430SRalf Baechle	bool
20787fd08ca5SLeonid Yegoshin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
20795e83d430SRalf Baechle
20805e83d430SRalf Baechle#
208157eeacedSPaul Burton# These indicate the revision of the architecture
20825e83d430SRalf Baechle#
20835e83d430SRalf Baechleconfig CPU_MIPSR1
20845e83d430SRalf Baechle	bool
20855e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20865e83d430SRalf Baechle
20875e83d430SRalf Baechleconfig CPU_MIPSR2
20885e83d430SRalf Baechle	bool
2089a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20908256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2091ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2092a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20935e83d430SRalf Baechle
20947fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20957fd08ca5SLeonid Yegoshin	bool
20967fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20978256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2098ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
209987321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
21002db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
21014a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2102a7e07b1aSMarkos Chandras	select MIPS_SPRAM
21035e83d430SRalf Baechle
210457eeacedSPaul Burtonconfig TARGET_ISA_REV
210557eeacedSPaul Burton	int
210657eeacedSPaul Burton	default 1 if CPU_MIPSR1
210757eeacedSPaul Burton	default 2 if CPU_MIPSR2
210857eeacedSPaul Burton	default 6 if CPU_MIPSR6
210957eeacedSPaul Burton	default 0
211057eeacedSPaul Burton	help
211157eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
211257eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
211357eeacedSPaul Burton
2114a6e18781SLeonid Yegoshinconfig EVA
2115a6e18781SLeonid Yegoshin	bool
2116a6e18781SLeonid Yegoshin
2117c5b36783SSteven J. Hillconfig XPA
2118c5b36783SSteven J. Hill	bool
2119c5b36783SSteven J. Hill
21205e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
21215e83d430SRalf Baechle	bool
21225e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
21235e83d430SRalf Baechle	bool
21245e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
21255e83d430SRalf Baechle	bool
21265e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
21275e83d430SRalf Baechle	bool
212855045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
212955045ff5SWu Zhangjin	bool
213055045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
213155045ff5SWu Zhangjin	bool
21329cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
21339cffd154SDavid Daney	bool
2134171543e7SDaniel Silsby	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
213582622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
213682622284SDavid Daney	bool
2137cebf8c0fSPaul Burton	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
21385e83d430SRalf Baechle
21398192c9eaSDavid Daney#
21408192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
21418192c9eaSDavid Daney#
21428192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
21438192c9eaSDavid Daney	bool
2144679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
21458192c9eaSDavid Daney
21465e83d430SRalf Baechlemenu "Kernel type"
21475e83d430SRalf Baechle
21485e83d430SRalf Baechlechoice
21495e83d430SRalf Baechle	prompt "Kernel code model"
21505e83d430SRalf Baechle	help
21515e83d430SRalf Baechle	  You should only select this option if you have a workload that
21525e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
21535e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
21545e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
21555e83d430SRalf Baechle
21565e83d430SRalf Baechleconfig 32BIT
21575e83d430SRalf Baechle	bool "32-bit kernel"
21585e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
21595e83d430SRalf Baechle	select TRAD_SIGNALS
21605e83d430SRalf Baechle	help
21615e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2162f17c4ca3SRalf Baechle
21635e83d430SRalf Baechleconfig 64BIT
21645e83d430SRalf Baechle	bool "64-bit kernel"
21655e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21665e83d430SRalf Baechle	help
21675e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21685e83d430SRalf Baechle
21695e83d430SRalf Baechleendchoice
21705e83d430SRalf Baechle
21712235a54dSSanjay Lalconfig KVM_GUEST
21722235a54dSSanjay Lal	bool "KVM Guest Kernel"
2173f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
21742235a54dSSanjay Lal	help
2175caa1faa7SJames Hogan	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2176caa1faa7SJames Hogan	  mode.
21772235a54dSSanjay Lal
2178eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
2179eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
21802235a54dSSanjay Lal	depends on KVM_GUEST
2181eda3d33cSJames Hogan	default 100
21822235a54dSSanjay Lal	help
2183eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2184eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
2185eda3d33cSJames Hogan	  timer frequency is specified directly.
21862235a54dSSanjay Lal
21871e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21881e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21891e321fa9SLeonid Yegoshin	depends on 64BIT
21901e321fa9SLeonid Yegoshin	help
21913377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21923377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21933377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21943377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21953377e227SAlex Belits	  level of page tables is added which imposes both a memory
21963377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21973377e227SAlex Belits
21981e321fa9SLeonid Yegoshin	  If unsure, say N.
21991e321fa9SLeonid Yegoshin
22001da177e4SLinus Torvaldschoice
22011da177e4SLinus Torvalds	prompt "Kernel page size"
22021da177e4SLinus Torvalds	default PAGE_SIZE_4KB
22031da177e4SLinus Torvalds
22041da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
22051da177e4SLinus Torvalds	bool "4kB"
2206268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
22071da177e4SLinus Torvalds	help
22081da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
22091da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
22101da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
22111da177e4SLinus Torvalds	  recommended for low memory systems.
22121da177e4SLinus Torvalds
22131da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
22141da177e4SLinus Torvalds	bool "8kB"
2215c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
22161e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
22171da177e4SLinus Torvalds	help
22181da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
22191da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2220c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2221c2aeaaeaSPaul Burton	  distribution to support this.
22221da177e4SLinus Torvalds
22231da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
22241da177e4SLinus Torvalds	bool "16kB"
2225714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
22261da177e4SLinus Torvalds	help
22271da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
22281da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2229714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2230714bfad6SRalf Baechle	  Linux distribution to support this.
22311da177e4SLinus Torvalds
2232c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2233c52399beSRalf Baechle	bool "32kB"
2234c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
22351e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2236c52399beSRalf Baechle	help
2237c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2238c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2239c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2240c52399beSRalf Baechle	  distribution to support this.
2241c52399beSRalf Baechle
22421da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22431da177e4SLinus Torvalds	bool "64kB"
22443b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22451da177e4SLinus Torvalds	help
22461da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22471da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22481da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2249714bfad6SRalf Baechle	  writing this option is still high experimental.
22501da177e4SLinus Torvalds
22511da177e4SLinus Torvaldsendchoice
22521da177e4SLinus Torvalds
2253c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2254c9bace7cSDavid Daney	int "Maximum zone order"
2255e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2256e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2257e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2258e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2259e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2260e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2261c9bace7cSDavid Daney	range 11 64
2262c9bace7cSDavid Daney	default "11"
2263c9bace7cSDavid Daney	help
2264c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2265c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2266c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2267c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2268c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2269c9bace7cSDavid Daney	  increase this value.
2270c9bace7cSDavid Daney
2271c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2272c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2273c9bace7cSDavid Daney
2274c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2275c9bace7cSDavid Daney	  when choosing a value for this option.
2276c9bace7cSDavid Daney
22771da177e4SLinus Torvaldsconfig BOARD_SCACHE
22781da177e4SLinus Torvalds	bool
22791da177e4SLinus Torvalds
22801da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22811da177e4SLinus Torvalds	bool
22821da177e4SLinus Torvalds	select BOARD_SCACHE
22831da177e4SLinus Torvalds
22849318c51aSChris Dearman#
22859318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22869318c51aSChris Dearman#
22879318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22889318c51aSChris Dearman	bool
22899318c51aSChris Dearman	select BOARD_SCACHE
22909318c51aSChris Dearman
22911da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22921da177e4SLinus Torvalds	bool
22931da177e4SLinus Torvalds	select BOARD_SCACHE
22941da177e4SLinus Torvalds
22951da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22961da177e4SLinus Torvalds	bool
22971da177e4SLinus Torvalds	select BOARD_SCACHE
22981da177e4SLinus Torvalds
22991da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
23001da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
23011da177e4SLinus Torvalds	depends on CPU_SB1
23021da177e4SLinus Torvalds	help
23031da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
23041da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
23051da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
23061da177e4SLinus Torvalds
23071da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2308c8094b53SRalf Baechle	bool
23091da177e4SLinus Torvalds
23103165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
23113165c846SFlorian Fainelli	bool
2312c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
23133165c846SFlorian Fainelli
2314c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2315183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2316183b40f9SPaul Burton	default y
2317183b40f9SPaul Burton	help
2318183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2319183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2320183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2321183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2322183b40f9SPaul Burton	  receive a SIGILL.
2323183b40f9SPaul Burton
2324183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2325183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2326183b40f9SPaul Burton
2327183b40f9SPaul Burton	  If unsure, say y.
2328c92e47e5SPaul Burton
232997f7dcbfSPaul Burtonconfig CPU_R2300_FPU
233097f7dcbfSPaul Burton	bool
2331c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
233297f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
233397f7dcbfSPaul Burton
233454746829SPaul Burtonconfig CPU_R3K_TLB
233554746829SPaul Burton	bool
233654746829SPaul Burton
233791405eb6SFlorian Fainelliconfig CPU_R4K_FPU
233891405eb6SFlorian Fainelli	bool
2339c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
234097f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
234191405eb6SFlorian Fainelli
234262cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
234362cedc4fSFlorian Fainelli	bool
234454746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
234562cedc4fSFlorian Fainelli
234659d6ab86SRalf Baechleconfig MIPS_MT_SMP
2347a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23485cbf9688SPaul Burton	default y
2349527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
235059d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2351d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2352c080faa5SSteven J. Hill	select SYNC_R4K
235359d6ab86SRalf Baechle	select MIPS_MT
235459d6ab86SRalf Baechle	select SMP
235587353d8aSRalf Baechle	select SMP_UP
2356c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2357c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2358399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
235959d6ab86SRalf Baechle	help
2360c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2361c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2362c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2363c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2364c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
236559d6ab86SRalf Baechle
2366f41ae0b2SRalf Baechleconfig MIPS_MT
2367f41ae0b2SRalf Baechle	bool
2368f41ae0b2SRalf Baechle
23690ab7aefcSRalf Baechleconfig SCHED_SMT
23700ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
23710ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
23720ab7aefcSRalf Baechle	default n
23730ab7aefcSRalf Baechle	help
23740ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
23750ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
23760ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
23770ab7aefcSRalf Baechle
23780ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
23790ab7aefcSRalf Baechle	bool
23800ab7aefcSRalf Baechle
2381f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2382f41ae0b2SRalf Baechle	bool
2383f41ae0b2SRalf Baechle
2384f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2385f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2386f088fc84SRalf Baechle	default y
2387b633648cSRalf Baechle	depends on MIPS_MT_SMP
238807cc0c9eSRalf Baechle
2389b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2390b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23919eaa9a82SPaul Burton	depends on CPU_MIPSR6
2392c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2393b0a668fbSLeonid Yegoshin	default y
2394b0a668fbSLeonid Yegoshin	help
2395b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2396b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
239707edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2398b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2399b0a668fbSLeonid Yegoshin	  final kernel image.
2400b0a668fbSLeonid Yegoshin
2401f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2402f35764e7SJames Hogan	bool
2403f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2404f35764e7SJames Hogan	help
2405f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2406f35764e7SJames Hogan	  physical_memsize.
2407f35764e7SJames Hogan
240807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
240907cc0c9eSRalf Baechle	bool "VPE loader support."
2410f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
241107cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
241207cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
241307cc0c9eSRalf Baechle	select MIPS_MT
241407cc0c9eSRalf Baechle	help
241507cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
241607cc0c9eSRalf Baechle	  onto another VPE and running it.
2417f088fc84SRalf Baechle
241817a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
241917a1d523SDeng-Cheng Zhu	bool
242017a1d523SDeng-Cheng Zhu	default "y"
242117a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
242217a1d523SDeng-Cheng Zhu
24231a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
24241a2a6d7eSDeng-Cheng Zhu	bool
24251a2a6d7eSDeng-Cheng Zhu	default "y"
24261a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
24271a2a6d7eSDeng-Cheng Zhu
2428e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2429e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2430e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2431e01402b1SRalf Baechle	default y
2432e01402b1SRalf Baechle	help
2433e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2434e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2435e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2436e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2437e01402b1SRalf Baechle
2438e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2439e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2440e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2441e01402b1SRalf Baechle
2442da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2443da615cf6SDeng-Cheng Zhu	bool
2444da615cf6SDeng-Cheng Zhu	default "y"
2445da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2446da615cf6SDeng-Cheng Zhu
24472c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24482c973ef0SDeng-Cheng Zhu	bool
24492c973ef0SDeng-Cheng Zhu	default "y"
24502c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24512c973ef0SDeng-Cheng Zhu
24524a16ff4cSRalf Baechleconfig MIPS_CMP
24535cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24545676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2455b10b43baSMarkos Chandras	select SMP
2456eb9b5141STim Anderson	select SYNC_R4K
2457b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
24584a16ff4cSRalf Baechle	select WEAK_ORDERING
24594a16ff4cSRalf Baechle	default n
24604a16ff4cSRalf Baechle	help
2461044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2462044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2463044505c7SPaul Burton	  its ability to start secondary CPUs.
24644a16ff4cSRalf Baechle
24655cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
24665cac93b3SPaul Burton	  instead of this.
24675cac93b3SPaul Burton
24680ee958e1SPaul Burtonconfig MIPS_CPS
24690ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
24705a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
24710ee958e1SPaul Burton	select MIPS_CM
24721d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
24730ee958e1SPaul Burton	select SMP
24740ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
24751d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2476c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
24770ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
24780ee958e1SPaul Burton	select WEAK_ORDERING
24790ee958e1SPaul Burton	help
24800ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24810ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24820ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24830ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24840ee958e1SPaul Burton	  support is unavailable.
24850ee958e1SPaul Burton
24863179d37eSPaul Burtonconfig MIPS_CPS_PM
248739a59593SMarkos Chandras	depends on MIPS_CPS
24883179d37eSPaul Burton	bool
24893179d37eSPaul Burton
24909f98f3ddSPaul Burtonconfig MIPS_CM
24919f98f3ddSPaul Burton	bool
24923c9b4166SPaul Burton	select MIPS_CPC
24939f98f3ddSPaul Burton
24949c38cf44SPaul Burtonconfig MIPS_CPC
24959c38cf44SPaul Burton	bool
24962600990eSRalf Baechle
24971da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24981da177e4SLinus Torvalds	bool
24991da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
25001da177e4SLinus Torvalds	default y
25011da177e4SLinus Torvalds
25021da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
25031da177e4SLinus Torvalds	bool
25041da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
25051da177e4SLinus Torvalds	default y
25061da177e4SLinus Torvalds
25079e2b5372SMarkos Chandraschoice
25089e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
25099e2b5372SMarkos Chandras
25109e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
25119e2b5372SMarkos Chandras	bool "None"
25129e2b5372SMarkos Chandras	help
25139e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
25149e2b5372SMarkos Chandras
25159693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
25169693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
25179e2b5372SMarkos Chandras	bool "SmartMIPS"
25189693a853SFranck Bui-Huu	help
25199693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
25209693a853SFranck Bui-Huu	  increased security at both hardware and software level for
25219693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
25229693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
25239693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
25249693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
25259693a853SFranck Bui-Huu	  here.
25269693a853SFranck Bui-Huu
2527bce86083SSteven J. Hillconfig CPU_MICROMIPS
25287fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
25299e2b5372SMarkos Chandras	bool "microMIPS"
2530bce86083SSteven J. Hill	help
2531bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2532bce86083SSteven J. Hill	  microMIPS ISA
2533bce86083SSteven J. Hill
25349e2b5372SMarkos Chandrasendchoice
25359e2b5372SMarkos Chandras
2536a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
25370ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2538a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2539c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
25402a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2541a5e9a69eSPaul Burton	help
2542a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2543a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
25441db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25451db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25461db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25471db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25481db1af84SPaul Burton	  the size & complexity of your kernel.
2549a5e9a69eSPaul Burton
2550a5e9a69eSPaul Burton	  If unsure, say Y.
2551a5e9a69eSPaul Burton
25521da177e4SLinus Torvaldsconfig CPU_HAS_WB
2553f7062ddbSRalf Baechle	bool
2554e01402b1SRalf Baechle
2555df0ac8a4SKevin Cernekeeconfig XKS01
2556df0ac8a4SKevin Cernekee	bool
2557df0ac8a4SKevin Cernekee
2558ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2559ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2560ba9196d2SJiaxun Yang	bool
2561ba9196d2SJiaxun Yang
2562ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2563ba9196d2SJiaxun Yang	bool
2564ba9196d2SJiaxun Yang
25658256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
25668256b17eSFlorian Fainelli	bool
25678256b17eSFlorian Fainelli
256818d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2569932afdeeSYasha Cherikovsky	bool
2570932afdeeSYasha Cherikovsky	help
257118d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2572932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
257318d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
257418d84e2eSAlexander Lobakin	  systems).
2575932afdeeSYasha Cherikovsky
2576f41ae0b2SRalf Baechle#
2577f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2578f41ae0b2SRalf Baechle#
2579e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2580f41ae0b2SRalf Baechle	bool
2581e01402b1SRalf Baechle
2582f41ae0b2SRalf Baechle#
2583f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2584f41ae0b2SRalf Baechle#
2585e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2586f41ae0b2SRalf Baechle	bool
2587e01402b1SRalf Baechle
25881da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25891da177e4SLinus Torvalds	bool
25901da177e4SLinus Torvalds	depends on !CPU_R3000
25911da177e4SLinus Torvalds	default y
25921da177e4SLinus Torvalds
25931da177e4SLinus Torvalds#
259420d60d99SMaciej W. Rozycki# CPU non-features
259520d60d99SMaciej W. Rozycki#
259620d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
259720d60d99SMaciej W. Rozycki	bool
259820d60d99SMaciej W. Rozycki
259920d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
260020d60d99SMaciej W. Rozycki	bool
260120d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
260220d60d99SMaciej W. Rozycki
260320d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
260420d60d99SMaciej W. Rozycki	bool
260520d60d99SMaciej W. Rozycki
2606071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2607071d2f0bSPaul Burton	bool
2608071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2609071d2f0bSPaul Burton
26104edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
26114edf00a4SPaul Burton	int
26124edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26134edf00a4SPaul Burton	default 0
26144edf00a4SPaul Burton
26154edf00a4SPaul Burtonconfig MIPS_ASID_BITS
26164edf00a4SPaul Burton	int
26172db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
26184edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26194edf00a4SPaul Burton	default 8
26204edf00a4SPaul Burton
26212db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
26222db003a5SPaul Burton	bool
26232db003a5SPaul Burton
26244a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
26254a5dc51eSMarcin Nowakowski	bool
26264a5dc51eSMarcin Nowakowski
262720d60d99SMaciej W. Rozycki#
26281da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
26291da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
26301da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
26311da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
26321da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
26331da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
26341da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
26351da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2636797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2637797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2638797798c1SRalf Baechle#   support.
26391da177e4SLinus Torvalds#
26401da177e4SLinus Torvaldsconfig HIGHMEM
26411da177e4SLinus Torvalds	bool "High Memory Support"
2642a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2643797798c1SRalf Baechle
2644797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2645797798c1SRalf Baechle	bool
2646797798c1SRalf Baechle
2647797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2648797798c1SRalf Baechle	bool
26491da177e4SLinus Torvalds
26509693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26519693a853SFranck Bui-Huu	bool
26529693a853SFranck Bui-Huu
2653a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2654a6a4834cSSteven J. Hill	bool
2655a6a4834cSSteven J. Hill
2656377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2657377cb1b6SRalf Baechle	bool
2658377cb1b6SRalf Baechle	help
2659377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2660377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2661377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2662377cb1b6SRalf Baechle
2663a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2664a5e9a69eSPaul Burton	bool
2665a5e9a69eSPaul Burton
2666b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2667b4819b59SYoichi Yuasa	def_bool y
2668268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2669b4819b59SYoichi Yuasa
2670b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2671b1c6cd42SAtsushi Nemoto	bool
2672397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
267331473747SAtsushi Nemoto
2674d8cb4e11SRalf Baechleconfig NUMA
2675d8cb4e11SRalf Baechle	bool "NUMA Support"
2676d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2677d8cb4e11SRalf Baechle	help
2678d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2679d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2680d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2681172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2682d8cb4e11SRalf Baechle	  disabled.
2683d8cb4e11SRalf Baechle
2684d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2685d8cb4e11SRalf Baechle	bool
2686d8cb4e11SRalf Baechle
2687f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA
2688f3c560a6SThomas Bogendoerfer	def_bool y
2689f3c560a6SThomas Bogendoerfer	depends on NUMA
2690f3c560a6SThomas Bogendoerfer
2691f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK
2692f3c560a6SThomas Bogendoerfer	def_bool y
2693f3c560a6SThomas Bogendoerfer	depends on NUMA
2694f3c560a6SThomas Bogendoerfer
26958c530ea3SMatt Redfearnconfig RELOCATABLE
26968c530ea3SMatt Redfearn	bool "Relocatable kernel"
26973ff72be4SSteven J. Hill	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
26988c530ea3SMatt Redfearn	help
26998c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
27008c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
27018c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
27028c530ea3SMatt Redfearn	  but are discarded at runtime
27038c530ea3SMatt Redfearn
2704069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2705069fd766SMatt Redfearn	hex "Relocation table size"
2706069fd766SMatt Redfearn	depends on RELOCATABLE
2707069fd766SMatt Redfearn	range 0x0 0x01000000
2708069fd766SMatt Redfearn	default "0x00100000"
2709069fd766SMatt Redfearn	---help---
2710069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2711069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2712069fd766SMatt Redfearn
2713069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2714069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2715069fd766SMatt Redfearn
2716069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2717069fd766SMatt Redfearn
2718069fd766SMatt Redfearn	  If unsure, leave at the default value.
2719069fd766SMatt Redfearn
2720405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2721405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2722405bc8fdSMatt Redfearn	depends on RELOCATABLE
2723405bc8fdSMatt Redfearn	---help---
2724405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2725405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2726405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2727405bc8fdSMatt Redfearn	  of kernel internals.
2728405bc8fdSMatt Redfearn
2729405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2730405bc8fdSMatt Redfearn
2731405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2732405bc8fdSMatt Redfearn
2733405bc8fdSMatt Redfearn	  If unsure, say N.
2734405bc8fdSMatt Redfearn
2735405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2736405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2737405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2738405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2739405bc8fdSMatt Redfearn	range 0x0 0x08000000
2740405bc8fdSMatt Redfearn	default "0x01000000"
2741405bc8fdSMatt Redfearn	---help---
2742405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2743405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2744405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2745405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2746405bc8fdSMatt Redfearn
2747405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2748405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2749405bc8fdSMatt Redfearn
2750c80d79d7SYasunori Gotoconfig NODES_SHIFT
2751c80d79d7SYasunori Goto	int
2752c80d79d7SYasunori Goto	default "6"
2753c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2754c80d79d7SYasunori Goto
275514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
275614f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
2757268a2d60SJiaxun Yang	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
275814f70012SDeng-Cheng Zhu	default y
275914f70012SDeng-Cheng Zhu	help
276014f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
276114f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
276214f70012SDeng-Cheng Zhu
2763be8fa1cbSTiezhu Yangconfig DMI
2764be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2765be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2766be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2767be8fa1cbSTiezhu Yang	default y
2768be8fa1cbSTiezhu Yang	help
2769be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2770be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2771be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2772be8fa1cbSTiezhu Yang	  BIOS code.
2773be8fa1cbSTiezhu Yang
27741da177e4SLinus Torvaldsconfig SMP
27751da177e4SLinus Torvalds	bool "Multi-Processing support"
2776e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2777e73ea273SRalf Baechle	help
27781da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27794a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27804a474157SRobert Graffham	  than one CPU, say Y.
27811da177e4SLinus Torvalds
27824a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27831da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27841da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27854a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27861da177e4SLinus Torvalds	  will run faster if you say N here.
27871da177e4SLinus Torvalds
27881da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27891da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27901da177e4SLinus Torvalds
279103502faaSAdrian Bunk	  See also the SMP-HOWTO available at
279203502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
27931da177e4SLinus Torvalds
27941da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27951da177e4SLinus Torvalds
27967840d618SMatt Redfearnconfig HOTPLUG_CPU
27977840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27987840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27997840d618SMatt Redfearn	help
28007840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
28017840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
28027840d618SMatt Redfearn	  (Note: power management support will enable this option
28037840d618SMatt Redfearn	    automatically on SMP systems. )
28047840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
28057840d618SMatt Redfearn
280687353d8aSRalf Baechleconfig SMP_UP
280787353d8aSRalf Baechle	bool
280887353d8aSRalf Baechle
28094a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
28104a16ff4cSRalf Baechle	bool
28114a16ff4cSRalf Baechle
28120ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
28130ee958e1SPaul Burton	bool
28140ee958e1SPaul Burton
2815e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2816e73ea273SRalf Baechle	bool
2817e73ea273SRalf Baechle
2818130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2819130e2fb7SRalf Baechle	bool
2820130e2fb7SRalf Baechle
2821130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2822130e2fb7SRalf Baechle	bool
2823130e2fb7SRalf Baechle
2824130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2825130e2fb7SRalf Baechle	bool
2826130e2fb7SRalf Baechle
2827130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2828130e2fb7SRalf Baechle	bool
2829130e2fb7SRalf Baechle
2830130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2831130e2fb7SRalf Baechle	bool
2832130e2fb7SRalf Baechle
28331da177e4SLinus Torvaldsconfig NR_CPUS
2834a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2835a91796a9SJayachandran C	range 2 256
28361da177e4SLinus Torvalds	depends on SMP
2837130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2838130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2839130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2840130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2841130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
28421da177e4SLinus Torvalds	help
28431da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
28441da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
28451da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
284672ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
284772ede9b1SAtsushi Nemoto	  and 2 for all others.
28481da177e4SLinus Torvalds
28491da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
285072ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
285172ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
285272ede9b1SAtsushi Nemoto	  power of two.
28531da177e4SLinus Torvalds
2854399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2855399aaa25SAl Cooper	bool
2856399aaa25SAl Cooper
28577820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28587820b84bSDavid Daney	bool
28597820b84bSDavid Daney
28607820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28617820b84bSDavid Daney	int
28627820b84bSDavid Daney	depends on SMP
28637820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28647820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28657820b84bSDavid Daney
28661723b4a3SAtsushi Nemoto#
28671723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28681723b4a3SAtsushi Nemoto#
28691723b4a3SAtsushi Nemoto
28701723b4a3SAtsushi Nemotochoice
28711723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28721723b4a3SAtsushi Nemoto	default HZ_250
28731723b4a3SAtsushi Nemoto	help
28741723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
28751723b4a3SAtsushi Nemoto
287667596573SPaul Burton	config HZ_24
287767596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
287867596573SPaul Burton
28791723b4a3SAtsushi Nemoto	config HZ_48
28800f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28811723b4a3SAtsushi Nemoto
28821723b4a3SAtsushi Nemoto	config HZ_100
28831723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28841723b4a3SAtsushi Nemoto
28851723b4a3SAtsushi Nemoto	config HZ_128
28861723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28871723b4a3SAtsushi Nemoto
28881723b4a3SAtsushi Nemoto	config HZ_250
28891723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28901723b4a3SAtsushi Nemoto
28911723b4a3SAtsushi Nemoto	config HZ_256
28921723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28931723b4a3SAtsushi Nemoto
28941723b4a3SAtsushi Nemoto	config HZ_1000
28951723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28961723b4a3SAtsushi Nemoto
28971723b4a3SAtsushi Nemoto	config HZ_1024
28981723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28991723b4a3SAtsushi Nemoto
29001723b4a3SAtsushi Nemotoendchoice
29011723b4a3SAtsushi Nemoto
290267596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
290367596573SPaul Burton	bool
290467596573SPaul Burton
29051723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
29061723b4a3SAtsushi Nemoto	bool
29071723b4a3SAtsushi Nemoto
29081723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
29091723b4a3SAtsushi Nemoto	bool
29101723b4a3SAtsushi Nemoto
29111723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
29121723b4a3SAtsushi Nemoto	bool
29131723b4a3SAtsushi Nemoto
29141723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
29151723b4a3SAtsushi Nemoto	bool
29161723b4a3SAtsushi Nemoto
29171723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
29181723b4a3SAtsushi Nemoto	bool
29191723b4a3SAtsushi Nemoto
29201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
29211723b4a3SAtsushi Nemoto	bool
29221723b4a3SAtsushi Nemoto
29231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
29241723b4a3SAtsushi Nemoto	bool
29251723b4a3SAtsushi Nemoto
29261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
29271723b4a3SAtsushi Nemoto	bool
292867596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
292967596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
293067596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
293167596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
293267596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
293367596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
293467596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
29351723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
29361723b4a3SAtsushi Nemoto
29371723b4a3SAtsushi Nemotoconfig HZ
29381723b4a3SAtsushi Nemoto	int
293967596573SPaul Burton	default 24 if HZ_24
29401723b4a3SAtsushi Nemoto	default 48 if HZ_48
29411723b4a3SAtsushi Nemoto	default 100 if HZ_100
29421723b4a3SAtsushi Nemoto	default 128 if HZ_128
29431723b4a3SAtsushi Nemoto	default 250 if HZ_250
29441723b4a3SAtsushi Nemoto	default 256 if HZ_256
29451723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
29461723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
29471723b4a3SAtsushi Nemoto
294896685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
294996685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
295096685b17SDeng-Cheng Zhu
2951ea6e942bSAtsushi Nemotoconfig KEXEC
29527d60717eSKees Cook	bool "Kexec system call"
29532965faa5SDave Young	select KEXEC_CORE
2954ea6e942bSAtsushi Nemoto	help
2955ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2956ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29573dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2958ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2959ea6e942bSAtsushi Nemoto
296001dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2961ea6e942bSAtsushi Nemoto
2962ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2963ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2964bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2965bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2966bf220695SGeert Uytterhoeven	  made.
2967ea6e942bSAtsushi Nemoto
29687aa1c8f4SRalf Baechleconfig CRASH_DUMP
29697aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29707aa1c8f4SRalf Baechle	help
29717aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29727aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29737aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29747aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29757aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29767aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29777aa1c8f4SRalf Baechle	  PHYSICAL_START.
29787aa1c8f4SRalf Baechle
29797aa1c8f4SRalf Baechleconfig PHYSICAL_START
29807aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29818bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29827aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29837aa1c8f4SRalf Baechle	help
29847aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29857aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29867aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29877aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29887aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29897aa1c8f4SRalf Baechle
2990ea6e942bSAtsushi Nemotoconfig SECCOMP
2991ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
2992293c5bd1SRalf Baechle	depends on PROC_FS
2993ea6e942bSAtsushi Nemoto	default y
2994ea6e942bSAtsushi Nemoto	help
2995ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
2996ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
2997ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
2998ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
2999ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
3000ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
3001ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
3002ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
3003ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
3004ea6e942bSAtsushi Nemoto
3005ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
3006ea6e942bSAtsushi Nemoto
3007597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
3008b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
3009597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
3010597ce172SPaul Burton	help
3011597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
3012597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
3013597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
3014597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
3015597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
3016597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
3017597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
3018597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
3019597ce172SPaul Burton	  saying N here.
3020597ce172SPaul Burton
302106e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
302206e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
302306e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
302406e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
302506e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
302606e2e882SPaul Burton	  said details.
302706e2e882SPaul Burton
302806e2e882SPaul Burton	  If unsure, say N.
3029597ce172SPaul Burton
3030f2ffa5abSDezhong Diaoconfig USE_OF
30310b3e06fdSJonas Gorski	bool
3032f2ffa5abSDezhong Diao	select OF
3033e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3034abd2363fSGrant Likely	select IRQ_DOMAIN
3035f2ffa5abSDezhong Diao
30362fe8ea39SDengcheng Zhuconfig UHI_BOOT
30372fe8ea39SDengcheng Zhu	bool
30382fe8ea39SDengcheng Zhu
30397fafb068SAndrew Brestickerconfig BUILTIN_DTB
30407fafb068SAndrew Bresticker	bool
30417fafb068SAndrew Bresticker
30421da8f179SJonas Gorskichoice
30435b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
30441da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
30451da8f179SJonas Gorski
30461da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
30471da8f179SJonas Gorski		bool "None"
30481da8f179SJonas Gorski		help
30491da8f179SJonas Gorski		  Do not enable appended dtb support.
30501da8f179SJonas Gorski
305187db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
305287db537dSAaro Koskinen		bool "vmlinux"
305387db537dSAaro Koskinen		help
305487db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
305587db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
305687db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
305787db537dSAaro Koskinen		  objcopy:
305887db537dSAaro Koskinen
305987db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
306087db537dSAaro Koskinen
306187db537dSAaro Koskinen		  This is meant as a backward compatiblity convenience for those
306287db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
306387db537dSAaro Koskinen		  the documented boot protocol using a device tree.
306487db537dSAaro Koskinen
30651da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3066b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30671da8f179SJonas Gorski		help
30681da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3069b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30701da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30711da8f179SJonas Gorski
30721da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30731da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30741da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30751da8f179SJonas Gorski
30761da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30771da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30781da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30791da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30801da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30811da8f179SJonas Gorskiendchoice
30821da8f179SJonas Gorski
30832024972eSJonas Gorskichoice
30842024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30852bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3086*87fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
30872bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30882024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30892024972eSJonas Gorski
30902024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30912024972eSJonas Gorski		depends on USE_OF
30922024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30932024972eSJonas Gorski
30942024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30952024972eSJonas Gorski		depends on USE_OF
30962024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30972024972eSJonas Gorski
30982024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30992024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3100ed47e153SRabin Vincent
3101ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3102ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3103ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
31042024972eSJonas Gorskiendchoice
31052024972eSJonas Gorski
31065e83d430SRalf Baechleendmenu
31075e83d430SRalf Baechle
31081df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
31091df0f0ffSAtsushi Nemoto	bool
31101df0f0ffSAtsushi Nemoto	default y
31111df0f0ffSAtsushi Nemoto
31121df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
31131df0f0ffSAtsushi Nemoto	bool
31141df0f0ffSAtsushi Nemoto	default y
31151df0f0ffSAtsushi Nemoto
3116a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3117a728ab52SKirill A. Shutemov	int
31183377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3119a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3120a728ab52SKirill A. Shutemov	default 2
3121a728ab52SKirill A. Shutemov
31226c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
31236c359eb1SPaul Burton	bool
31246c359eb1SPaul Burton
31251da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
31261da177e4SLinus Torvalds
3127c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
31282eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3129c5611df9SPaul Burton	bool
3130c5611df9SPaul Burton
3131c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3132c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3133c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
31342eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
31351da177e4SLinus Torvalds
31361da177e4SLinus Torvalds#
31371da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
31381da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
31391da177e4SLinus Torvalds# users to choose the right thing ...
31401da177e4SLinus Torvalds#
31411da177e4SLinus Torvaldsconfig ISA
31421da177e4SLinus Torvalds	bool
31431da177e4SLinus Torvalds
31441da177e4SLinus Torvaldsconfig TC
31451da177e4SLinus Torvalds	bool "TURBOchannel support"
31461da177e4SLinus Torvalds	depends on MACH_DECSTATION
31471da177e4SLinus Torvalds	help
314850a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
314950a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
315050a23e6eSJustin P. Mattock	  at:
315150a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
315250a23e6eSJustin P. Mattock	  and:
315350a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
315450a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
315550a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31561da177e4SLinus Torvalds
31571da177e4SLinus Torvaldsconfig MMU
31581da177e4SLinus Torvalds	bool
31591da177e4SLinus Torvalds	default y
31601da177e4SLinus Torvalds
3161109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3162109c32ffSMatt Redfearn	default 12 if 64BIT
3163109c32ffSMatt Redfearn	default 8
3164109c32ffSMatt Redfearn
3165109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3166109c32ffSMatt Redfearn	default 18 if 64BIT
3167109c32ffSMatt Redfearn	default 15
3168109c32ffSMatt Redfearn
3169109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3170109c32ffSMatt Redfearn	default 8
3171109c32ffSMatt Redfearn
3172109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3173109c32ffSMatt Redfearn	default 15
3174109c32ffSMatt Redfearn
3175d865bea4SRalf Baechleconfig I8253
3176d865bea4SRalf Baechle	bool
3177798778b8SRussell King	select CLKSRC_I8253
31782d02612fSThomas Gleixner	select CLKEVT_I8253
31799726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3180d865bea4SRalf Baechle
3181e05eb3f8SRalf Baechleconfig ZONE_DMA
3182e05eb3f8SRalf Baechle	bool
3183e05eb3f8SRalf Baechle
3184cce335aeSRalf Baechleconfig ZONE_DMA32
3185cce335aeSRalf Baechle	bool
3186cce335aeSRalf Baechle
31871da177e4SLinus Torvaldsendmenu
31881da177e4SLinus Torvalds
31891da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31901da177e4SLinus Torvalds	bool
31911da177e4SLinus Torvalds
31921da177e4SLinus Torvaldsconfig MIPS32_COMPAT
319378aaf956SRalf Baechle	bool
31941da177e4SLinus Torvalds
31951da177e4SLinus Torvaldsconfig COMPAT
31961da177e4SLinus Torvalds	bool
31971da177e4SLinus Torvalds
319805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
319905e43966SAtsushi Nemoto	bool
320005e43966SAtsushi Nemoto
32011da177e4SLinus Torvaldsconfig MIPS32_O32
32021da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
320378aaf956SRalf Baechle	depends on 64BIT
320478aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
320578aaf956SRalf Baechle	select COMPAT
320678aaf956SRalf Baechle	select MIPS32_COMPAT
320778aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
32081da177e4SLinus Torvalds	help
32091da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
32101da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
32111da177e4SLinus Torvalds	  existing binaries are in this format.
32121da177e4SLinus Torvalds
32131da177e4SLinus Torvalds	  If unsure, say Y.
32141da177e4SLinus Torvalds
32151da177e4SLinus Torvaldsconfig MIPS32_N32
32161da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3217c22eacfeSRalf Baechle	depends on 64BIT
32185a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
321978aaf956SRalf Baechle	select COMPAT
322078aaf956SRalf Baechle	select MIPS32_COMPAT
322178aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
32221da177e4SLinus Torvalds	help
32231da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
32241da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
32251da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
32261da177e4SLinus Torvalds	  cases.
32271da177e4SLinus Torvalds
32281da177e4SLinus Torvalds	  If unsure, say N.
32291da177e4SLinus Torvalds
32301da177e4SLinus Torvaldsconfig BINFMT_ELF32
32311da177e4SLinus Torvalds	bool
32321da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
3233f43edca7SRalf Baechle	select ELFCORE
32341da177e4SLinus Torvalds
32352116245eSRalf Baechlemenu "Power management options"
3236952fa954SRodolfo Giometti
3237363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3238363c55caSWu Zhangjin	def_bool y
32393f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3240363c55caSWu Zhangjin
3241f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3242f4cb5700SJohannes Berg	def_bool y
32433f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3244f4cb5700SJohannes Berg
32452116245eSRalf Baechlesource "kernel/power/Kconfig"
3246952fa954SRodolfo Giometti
32471da177e4SLinus Torvaldsendmenu
32481da177e4SLinus Torvalds
32497a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32507a998935SViresh Kumar	bool
32517a998935SViresh Kumar
32527a998935SViresh Kumarmenu "CPU Power Management"
3253c095ebafSPaul Burton
3254c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32557a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32567a998935SViresh Kumarendif
32579726b43aSWu Zhangjin
3258c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3259c095ebafSPaul Burton
3260c095ebafSPaul Burtonendmenu
3261c095ebafSPaul Burton
326298cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
326398cdee0eSRalf Baechle
32642235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
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