xref: /linux/arch/mips/Kconfig (revision d49fc69293f2022785f6ee1c3c7d565271abe393)
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
7dfad83cbSFlorian Fainelli	select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
834c01e41SAlexander Lobakin	select ARCH_HAS_FORTIFY_SOURCE
934c01e41SAlexander Lobakin	select ARCH_HAS_KCOV
1066633abdSTiezhu Yang	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
1134c01e41SAlexander Lobakin	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
12e6226997SArnd Bergmann	select ARCH_HAS_STRNCPY_FROM_USER
13e6226997SArnd Bergmann	select ARCH_HAS_STRNLEN_USER
1412597988SMatt Redfearn	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
151e35918aSHassan Naveed	select ARCH_HAS_UBSAN_SANITIZE_ALL
168b3165e5SXingxing Su	select ARCH_HAS_GCOV_PROFILE_ALL
17c55944ccSNick Desaulniers	select ARCH_KEEP_MEMBLOCK
1812597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
191ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
2012597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
21dce44566SAnshuman Khandual	select ARCH_USE_MEMTEST
2225da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
230b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
24855f9a8eSAnshuman Khandual	select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
259035bd29SAlexandre Ghiti	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
2612597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
27d3a4e0f1SAlexander Lobakin	select ARCH_WANT_LD_ORPHAN_WARN
2810916706SShile Zhang	select BUILDTIME_TABLE_SORT
2912597988SMatt Redfearn	select CLONE_BACKWARDS
3057eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
3112597988SMatt Redfearn	select CPU_PM if CPU_IDLE
3212597988SMatt Redfearn	select GENERIC_ATOMIC64 if !64BIT
3312597988SMatt Redfearn	select GENERIC_CMOS_UPDATE
3412597988SMatt Redfearn	select GENERIC_CPU_AUTOPROBE
3524640f23SVincenzo Frascino	select GENERIC_GETTIMEOFDAY
36b962aeb0SPaul Burton	select GENERIC_IOMAP
3712597988SMatt Redfearn	select GENERIC_IRQ_PROBE
3812597988SMatt Redfearn	select GENERIC_IRQ_SHOW
396630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
40740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
41740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
42740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
43740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
44740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
4512597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
4612597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
4712597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
48446f062bSChristoph Hellwig	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
49906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
5012597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
5142b20995SArnd Bergmann	select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
52109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
53109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
54490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
55c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
5645e03e62SDaniel Silsby	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
572ff2b7ecSMasahiro Yamada	select HAVE_ASM_MODVERSIONS
5812597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
59490f561bSFrederic Weisbecker	select HAVE_TIF_NOHZ
6064575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
6112597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
6212597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
6312597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
6412597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
6501bdc58eSJohan Almbladh	select HAVE_EBPF_JIT if !CPU_MICROMIPS && \
6601bdc58eSJohan Almbladh				!CPU_DADDI_WORKAROUNDS && \
6701bdc58eSJohan Almbladh				!CPU_R4000_WORKAROUNDS && \
6801bdc58eSJohan Almbladh				!CPU_R4400_WORKAROUNDS
6912597988SMatt Redfearn	select HAVE_EXIT_THREAD
7067a929e0SChristoph Hellwig	select HAVE_FAST_GUP
7112597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
7229c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
7312597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
7434c01e41SAlexander Lobakin	select HAVE_GCC_PLUGINS
7534c01e41SAlexander Lobakin	select HAVE_GENERIC_VDSO
76b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
7712597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
7812597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
79c1bf207dSDavid Daney	select HAVE_KPROBES
80c1bf207dSDavid Daney	select HAVE_KRETPROBES
81c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
82786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
8342a0bb3fSPetr Mladek	select HAVE_NMI
8412597988SMatt Redfearn	select HAVE_PERF_EVENTS
851ddc96bdSTiezhu Yang	select HAVE_PERF_REGS
861ddc96bdSTiezhu Yang	select HAVE_PERF_USER_STACK_DUMP
8708bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
889ea141adSPaul Burton	select HAVE_RSEQ
8916c0f03fSHassan Naveed	select HAVE_SPARSE_SYSCALL_NR
90d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
9112597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
92a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
9312597988SMatt Redfearn	select IRQ_FORCED_THREADING
946630a8e5SChristoph Hellwig	select ISA if EISA
9512597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
9634c01e41SAlexander Lobakin	select MODULES_USE_ELF_RELA if MODULES && 64BIT
9712597988SMatt Redfearn	select PERF_USE_VMALLOC
98981aa1d3SThomas Gleixner	select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
9905a0a344SArnd Bergmann	select RTC_LIB
10012597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
1014aae683fSMasahiro Yamada	select TRACE_IRQFLAGS_SUPPORT
10212597988SMatt Redfearn	select VIRT_TO_BUS
1030bb87f05SAl Viro	select ARCH_HAS_ELFCORE_COMPAT
1041da177e4SLinus Torvalds
105d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR
106d3991572SChristoph Hellwig	bool
107d3991572SChristoph Hellwig
108c434b9f8SPaul Cercueilconfig MIPS_GENERIC
109c434b9f8SPaul Cercueil	bool
110c434b9f8SPaul Cercueil
111f0f4a753SPaul Cercueilconfig MACH_INGENIC
112f0f4a753SPaul Cercueil	bool
113f0f4a753SPaul Cercueil	select SYS_SUPPORTS_32BIT_KERNEL
114f0f4a753SPaul Cercueil	select SYS_SUPPORTS_LITTLE_ENDIAN
115f0f4a753SPaul Cercueil	select SYS_SUPPORTS_ZBOOT
116f0f4a753SPaul Cercueil	select DMA_NONCOHERENT
1171660710cSPaul Cercueil	select ARCH_HAS_SYNC_DMA_FOR_CPU
118f0f4a753SPaul Cercueil	select IRQ_MIPS_CPU
119f0f4a753SPaul Cercueil	select PINCTRL
120f0f4a753SPaul Cercueil	select GPIOLIB
121f0f4a753SPaul Cercueil	select COMMON_CLK
122f0f4a753SPaul Cercueil	select GENERIC_IRQ_CHIP
123f0f4a753SPaul Cercueil	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
124f0f4a753SPaul Cercueil	select USE_OF
125f0f4a753SPaul Cercueil	select CPU_SUPPORTS_CPUFREQ
126f0f4a753SPaul Cercueil	select MIPS_EXTERNAL_TIMER
127f0f4a753SPaul Cercueil
1281da177e4SLinus Torvaldsmenu "Machine selection"
1291da177e4SLinus Torvalds
1305e83d430SRalf Baechlechoice
1315e83d430SRalf Baechle	prompt "System type"
132c434b9f8SPaul Cercueil	default MIPS_GENERIC_KERNEL
1331da177e4SLinus Torvalds
134c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL
135eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
1364e066441SChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
137c434b9f8SPaul Cercueil	select MIPS_GENERIC
138eed0eabdSPaul Burton	select BOOT_RAW
139eed0eabdSPaul Burton	select BUILTIN_DTB
140eed0eabdSPaul Burton	select CEVT_R4K
141eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
142eed0eabdSPaul Burton	select COMMON_CLK
143eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
14434c01e41SAlexander Lobakin	select CPU_MIPSR2_IRQ_VI
145eed0eabdSPaul Burton	select CSRC_R4K
1464e066441SChristoph Hellwig	select DMA_NONCOHERENT
147eb01d42aSChristoph Hellwig	select HAVE_PCI
148eed0eabdSPaul Burton	select IRQ_MIPS_CPU
1490211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
150eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
151eed0eabdSPaul Burton	select MIPS_GIC
152eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
153eed0eabdSPaul Burton	select NO_EXCEPT_FILL
154eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
155eed0eabdSPaul Burton	select SMP_UP if SMP
156a3078e59SMatt Redfearn	select SWAP_IO_SPACE
157eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
158eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
159eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
160eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
161eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
162eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
163eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
164eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
165eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
166eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
167eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
168eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
169eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
17034c01e41SAlexander Lobakin	select SYS_SUPPORTS_MIPS_CPS
171eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
172eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
173eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
174c3e2ee65SPaul Cercueil	select SYS_SUPPORTS_ZBOOT
17534c01e41SAlexander Lobakin	select UHI_BOOT
1762e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1772e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1782e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1792e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1802e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1812e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
182eed0eabdSPaul Burton	select USE_OF
183eed0eabdSPaul Burton	help
184eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
185eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
186eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
187eed0eabdSPaul Burton	  Interface) specification.
188eed0eabdSPaul Burton
18942a4f17dSManuel Laussconfig MIPS_ALCHEMY
190c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
191d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
192f772cdb2SRalf Baechle	select CEVT_R4K
193d7ea335cSSteven J. Hill	select CSRC_R4K
19467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
195a86497d6SChristoph Hellwig	select DMA_NONCOHERENT		# Au1000,1500,1100 aren't, rest is
196d3991572SChristoph Hellwig	select MIPS_FIXUP_BIGPHYS_ADDR if PCI
19742a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
19842a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
19942a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
200d30a2b47SLinus Walleij	select GPIOLIB
2011b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
20247440229SManuel Lauss	select COMMON_CLK
2031da177e4SLinus Torvalds
2047ca5dc14SFlorian Fainelliconfig AR7
2057ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
2067ca5dc14SFlorian Fainelli	select BOOT_ELF32
207b408b611SArnd Bergmann	select COMMON_CLK
2087ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
2097ca5dc14SFlorian Fainelli	select CEVT_R4K
2107ca5dc14SFlorian Fainelli	select CSRC_R4K
21167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2127ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
2137ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
2147ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
2157ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
2167ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
2177ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
218377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2191b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
220d30a2b47SLinus Walleij	select GPIOLIB
2217ca5dc14SFlorian Fainelli	select VLYNQ
2227ca5dc14SFlorian Fainelli	help
2237ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
2247ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
2257ca5dc14SFlorian Fainelli
22643cc739fSSergey Ryazanovconfig ATH25
22743cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
22843cc739fSSergey Ryazanov	select CEVT_R4K
22943cc739fSSergey Ryazanov	select CSRC_R4K
23043cc739fSSergey Ryazanov	select DMA_NONCOHERENT
23167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2321753e74eSSergey Ryazanov	select IRQ_DOMAIN
23343cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
23443cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
23543cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
2368aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
23743cc739fSSergey Ryazanov	help
23843cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
23943cc739fSSergey Ryazanov
240d4a67d9dSGabor Juhosconfig ATH79
241d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
242ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
243d4a67d9dSGabor Juhos	select BOOT_RAW
244d4a67d9dSGabor Juhos	select CEVT_R4K
245d4a67d9dSGabor Juhos	select CSRC_R4K
246d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
247d30a2b47SLinus Walleij	select GPIOLIB
248a08227a2SJohn Crispin	select PINCTRL
249411520afSAlban Bedel	select COMMON_CLK
25067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
251d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
252d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
253d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
254d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
255377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
256b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
25703c8c407SAlban Bedel	select USE_OF
25853d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
259d4a67d9dSGabor Juhos	help
260d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
261d4a67d9dSGabor Juhos
2625f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2635f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
26429906e1aSÁlvaro Fernández Rojas	select ARCH_HAS_RESET_CONTROLLER
265d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
266d666cd02SKevin Cernekee	select BOOT_RAW
267d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
268d666cd02SKevin Cernekee	select USE_OF
269d666cd02SKevin Cernekee	select CEVT_R4K
270d666cd02SKevin Cernekee	select CSRC_R4K
271d666cd02SKevin Cernekee	select SYNC_R4K
272d666cd02SKevin Cernekee	select COMMON_CLK
273c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
27460b858f2SKevin Cernekee	select BCM7038_L1_IRQ
27560b858f2SKevin Cernekee	select BCM7120_L2_IRQ
27660b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
27767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
27860b858f2SKevin Cernekee	select DMA_NONCOHERENT
279d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
28060b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
281d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
282d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
28360b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
28460b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
28560b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
286d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
287d666cd02SKevin Cernekee	select SWAP_IO_SPACE
28860b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
28960b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
29060b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
29160b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2924dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
2931d987052SFlorian Fainelli	select HAVE_PCI
2941d987052SFlorian Fainelli	select PCI_DRIVERS_GENERIC
295d666cd02SKevin Cernekee	help
2965f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2975f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2985f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2995f2d4459SKevin Cernekee	  must be set appropriately for your board.
300d666cd02SKevin Cernekee
3011c0c13ebSAurelien Jarnoconfig BCM47XX
302c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
303fe08f8c2SHauke Mehrtens	select BOOT_RAW
30442f77542SRalf Baechle	select CEVT_R4K
305940f6b48SRalf Baechle	select CSRC_R4K
3061c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
307eb01d42aSChristoph Hellwig	select HAVE_PCI
30867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
309314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
310dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
3111c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
3121c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
313377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
3146507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
31525e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
316e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
317c949c0bcSRafał Miłecki	select GPIOLIB
318c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
319f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
3202ab71a02SRafał Miłecki	select BCM47XX_SPROM
321dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
3221c0c13ebSAurelien Jarno	help
3231c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
3241c0c13ebSAurelien Jarno
325e7300d04SMaxime Bizonconfig BCM63XX
326e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
327ae8de61cSFlorian Fainelli	select BOOT_RAW
328e7300d04SMaxime Bizon	select CEVT_R4K
329e7300d04SMaxime Bizon	select CSRC_R4K
330fc264022SJonas Gorski	select SYNC_R4K
331e7300d04SMaxime Bizon	select DMA_NONCOHERENT
33267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
333e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
334e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
335e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
3365eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS32_3300
3375eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS4350
3385eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS4380
339e7300d04SMaxime Bizon	select SWAP_IO_SPACE
340d30a2b47SLinus Walleij	select GPIOLIB
341af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
342bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
343e7300d04SMaxime Bizon	help
344e7300d04SMaxime Bizon	  Support for BCM63XX based boards
345e7300d04SMaxime Bizon
3461da177e4SLinus Torvaldsconfig MIPS_COBALT
3473fa986faSMartin Michlmayr	bool "Cobalt Server"
34842f77542SRalf Baechle	select CEVT_R4K
349940f6b48SRalf Baechle	select CSRC_R4K
3501097c6acSYoichi Yuasa	select CEVT_GT641XX
3511da177e4SLinus Torvalds	select DMA_NONCOHERENT
352eb01d42aSChristoph Hellwig	select FORCE_PCI
353d865bea4SRalf Baechle	select I8253
3541da177e4SLinus Torvalds	select I8259
35567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
356d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
357252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3587cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3590a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
360ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3610e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3625e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
363e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3641da177e4SLinus Torvalds
3651da177e4SLinus Torvaldsconfig MACH_DECSTATION
3663fa986faSMartin Michlmayr	bool "DECstations"
3671da177e4SLinus Torvalds	select BOOT_ELF32
3686457d9fcSYoichi Yuasa	select CEVT_DS1287
36981d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3704247417dSYoichi Yuasa	select CSRC_IOASIC
37181d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
37220d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
37320d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
37420d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3751da177e4SLinus Torvalds	select DMA_NONCOHERENT
376ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
37767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3787cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3797cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
380ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3817d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3825e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3831723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3841723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3851723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
386930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3875e83d430SRalf Baechle	help
3881da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3891da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3901da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3911da177e4SLinus Torvalds
3921da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3931da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3941da177e4SLinus Torvalds
3951da177e4SLinus Torvalds		DECstation 5000/50
3961da177e4SLinus Torvalds		DECstation 5000/150
3971da177e4SLinus Torvalds		DECstation 5000/260
3981da177e4SLinus Torvalds		DECsystem 5900/260
3991da177e4SLinus Torvalds
4001da177e4SLinus Torvalds	  otherwise choose R3000.
4011da177e4SLinus Torvalds
4025e83d430SRalf Baechleconfig MACH_JAZZ
4033fa986faSMartin Michlmayr	bool "Jazz family of machines"
40439b2d756SThomas Bogendoerfer	select ARC_MEMORY
40539b2d756SThomas Bogendoerfer	select ARC_PROMLIB
406a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
4077a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
4082f9237d4SChristoph Hellwig	select DMA_OPS
4090e2794b0SRalf Baechle	select FW_ARC
4100e2794b0SRalf Baechle	select FW_ARC32
4115e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
41242f77542SRalf Baechle	select CEVT_R4K
413940f6b48SRalf Baechle	select CSRC_R4K
414e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
4155e83d430SRalf Baechle	select GENERIC_ISA_DMA
4168a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
41767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
418d865bea4SRalf Baechle	select I8253
4195e83d430SRalf Baechle	select I8259
4205e83d430SRalf Baechle	select ISA
4217cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
4225e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
4237d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
4241723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
425aadfe4b5SArnd Bergmann	select SYS_SUPPORTS_LITTLE_ENDIAN
4261da177e4SLinus Torvalds	help
4275e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
4285e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
429692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
4305e83d430SRalf Baechle	  Olivetti M700-10 workstations.
4315e83d430SRalf Baechle
432f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC
433de361e8bSPaul Burton	bool "Ingenic SoC based machines"
434f0f4a753SPaul Cercueil	select MIPS_GENERIC
435f0f4a753SPaul Cercueil	select MACH_INGENIC
436f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
437eb384937SPaul Cercueil	select CPU_SUPPORTS_CPUFREQ
438eb384937SPaul Cercueil	select MIPS_EXTERNAL_TIMER
4395ebabe59SLars-Peter Clausen
440171bb2f1SJohn Crispinconfig LANTIQ
441171bb2f1SJohn Crispin	bool "Lantiq based platforms"
442171bb2f1SJohn Crispin	select DMA_NONCOHERENT
44367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
444171bb2f1SJohn Crispin	select CEVT_R4K
445171bb2f1SJohn Crispin	select CSRC_R4K
446171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
447171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
448171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
449171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
450377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
451171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
452f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
453171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
454d30a2b47SLinus Walleij	select GPIOLIB
455171bb2f1SJohn Crispin	select SWAP_IO_SPACE
456171bb2f1SJohn Crispin	select BOOT_RAW
457bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
458a0392222SJohn Crispin	select USE_OF
4593f8c50c9SJohn Crispin	select PINCTRL
4603f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
461c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
462c530781cSJohn Crispin	select RESET_CONTROLLER
463171bb2f1SJohn Crispin
46430ad29bbSHuacai Chenconfig MACH_LOONGSON32
465caed1d1bSHuacai Chen	bool "Loongson 32-bit family of machines"
466c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
467ade299d8SYoichi Yuasa	help
46830ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
46985749d24SWu Zhangjin
47030ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
47130ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
47230ad29bbSHuacai Chen	  Sciences (CAS).
473ade299d8SYoichi Yuasa
47471e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
47571e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
476ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
477ca585cf9SKelvin Cheung	help
47871e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
479ca585cf9SKelvin Cheung
48071e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
481caed1d1bSHuacai Chen	bool "Loongson 64-bit family of machines"
4826fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
4836fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
4846fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
4856fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
4866fbde6b4SJiaxun Yang	select BOOT_ELF32
4876fbde6b4SJiaxun Yang	select BOARD_SCACHE
4886fbde6b4SJiaxun Yang	select CSRC_R4K
4896fbde6b4SJiaxun Yang	select CEVT_R4K
4906fbde6b4SJiaxun Yang	select CPU_HAS_WB
4916fbde6b4SJiaxun Yang	select FORCE_PCI
4926fbde6b4SJiaxun Yang	select ISA
4936fbde6b4SJiaxun Yang	select I8259
4946fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
4957d6d2837SJiaxun Yang	select NO_EXCEPT_FILL
4965125bfeeSTiezhu Yang	select NR_CPUS_DEFAULT_64
4976fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
4986423e59aSJiaxun Yang	select PCI_DRIVERS_GENERIC
4996fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
5006fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
5016fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
5026fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
5036fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
5046fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
5056fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
5066fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
50771e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
508a307a4ceSJinyang He	select SYS_SUPPORTS_RELOCATABLE
5096fbde6b4SJiaxun Yang	select ZONE_DMA32
51087fcfa7bSJiaxun Yang	select COMMON_CLK
51187fcfa7bSJiaxun Yang	select USE_OF
51287fcfa7bSJiaxun Yang	select BUILTIN_DTB
51339c1485cSHuacai Chen	select PCI_HOST_GENERIC
51471e2f4ddSJiaxun Yang	help
515caed1d1bSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
516caed1d1bSHuacai Chen
517caed1d1bSHuacai Chen	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
518caed1d1bSHuacai Chen	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
519caed1d1bSHuacai Chen	  and Loongson-2F which will be removed), developed by the Institute
520caed1d1bSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
521ca585cf9SKelvin Cheung
5221da177e4SLinus Torvaldsconfig MIPS_MALTA
5233fa986faSMartin Michlmayr	bool "MIPS Malta board"
52461ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
525a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5267a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5271da177e4SLinus Torvalds	select BOOT_ELF32
528fa71c960SRalf Baechle	select BOOT_RAW
529e8823d26SPaul Burton	select BUILTIN_DTB
53042f77542SRalf Baechle	select CEVT_R4K
531fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
53242b002abSGuenter Roeck	select COMMON_CLK
53347bf2b03SMaksym Kokhan	select CSRC_R4K
534a86497d6SChristoph Hellwig	select DMA_NONCOHERENT
5351da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5368a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
537eb01d42aSChristoph Hellwig	select HAVE_PCI
538d865bea4SRalf Baechle	select I8253
5391da177e4SLinus Torvalds	select I8259
54047bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
5415e83d430SRalf Baechle	select MIPS_BONITO64
5429318c51aSChris Dearman	select MIPS_CPU_SCACHE
54347bf2b03SMaksym Kokhan	select MIPS_GIC
544a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5455e83d430SRalf Baechle	select MIPS_MSC
54647bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
547ecafe3e9SPaul Burton	select SMP_UP if SMP
5481da177e4SLinus Torvalds	select SWAP_IO_SPACE
5497cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5507cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
551bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
552c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
553575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5547cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5555d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
556575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5577cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5587cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
559ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
560ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5615e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
562c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5635e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
564424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
56547bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5660365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
567e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
568f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
56947bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5709693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
571f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5721b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
573e8823d26SPaul Burton	select USE_OF
574886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
575abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5761da177e4SLinus Torvalds	help
577f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5781da177e4SLinus Torvalds	  board.
5791da177e4SLinus Torvalds
5802572f00dSJoshua Hendersonconfig MACH_PIC32
5812572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5822572f00dSJoshua Henderson	help
5832572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5842572f00dSJoshua Henderson
5852572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5862572f00dSJoshua Henderson	  microcontrollers.
5872572f00dSJoshua Henderson
5885e83d430SRalf Baechleconfig MACH_VR41XX
58974142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
59042f77542SRalf Baechle	select CEVT_R4K
591940f6b48SRalf Baechle	select CSRC_R4K
5927cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
593377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
594d30a2b47SLinus Walleij	select GPIOLIB
5955e83d430SRalf Baechle
596baec970aSLauri Kasanenconfig MACH_NINTENDO64
597baec970aSLauri Kasanen	bool "Nintendo 64 console"
598baec970aSLauri Kasanen	select CEVT_R4K
599baec970aSLauri Kasanen	select CSRC_R4K
600baec970aSLauri Kasanen	select SYS_HAS_CPU_R4300
601baec970aSLauri Kasanen	select SYS_SUPPORTS_BIG_ENDIAN
602baec970aSLauri Kasanen	select SYS_SUPPORTS_ZBOOT
603baec970aSLauri Kasanen	select SYS_SUPPORTS_32BIT_KERNEL
604baec970aSLauri Kasanen	select SYS_SUPPORTS_64BIT_KERNEL
605baec970aSLauri Kasanen	select DMA_NONCOHERENT
606baec970aSLauri Kasanen	select IRQ_MIPS_CPU
607baec970aSLauri Kasanen
608ae2b5bb6SJohn Crispinconfig RALINK
609ae2b5bb6SJohn Crispin	bool "Ralink based machines"
610ae2b5bb6SJohn Crispin	select CEVT_R4K
61135f752beSArnd Bergmann	select COMMON_CLK
612ae2b5bb6SJohn Crispin	select CSRC_R4K
613ae2b5bb6SJohn Crispin	select BOOT_RAW
614ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
61567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
616ae2b5bb6SJohn Crispin	select USE_OF
617ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
618ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
619ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
620ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
621377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
6221f0400d0SChuanhong Guo	select SYS_SUPPORTS_ZBOOT
623ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
6242a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6252a153f1cSJohn Crispin	select RESET_CONTROLLER
626ae2b5bb6SJohn Crispin
6274042147aSBert Vermeulenconfig MACH_REALTEK_RTL
6284042147aSBert Vermeulen	bool "Realtek RTL838x/RTL839x based machines"
6294042147aSBert Vermeulen	select MIPS_GENERIC
6304042147aSBert Vermeulen	select DMA_NONCOHERENT
6314042147aSBert Vermeulen	select IRQ_MIPS_CPU
6324042147aSBert Vermeulen	select CSRC_R4K
6334042147aSBert Vermeulen	select CEVT_R4K
6344042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R1
6354042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R2
6364042147aSBert Vermeulen	select SYS_SUPPORTS_BIG_ENDIAN
6374042147aSBert Vermeulen	select SYS_SUPPORTS_32BIT_KERNEL
6384042147aSBert Vermeulen	select SYS_SUPPORTS_MIPS16
6394042147aSBert Vermeulen	select SYS_SUPPORTS_MULTITHREADING
6404042147aSBert Vermeulen	select SYS_SUPPORTS_VPE_LOADER
6414042147aSBert Vermeulen	select BOOT_RAW
6424042147aSBert Vermeulen	select PINCTRL
6434042147aSBert Vermeulen	select USE_OF
6444042147aSBert Vermeulen
6451da177e4SLinus Torvaldsconfig SGI_IP22
6463fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
647c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
64839b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6490e2794b0SRalf Baechle	select FW_ARC
6500e2794b0SRalf Baechle	select FW_ARC32
6517a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6521da177e4SLinus Torvalds	select BOOT_ELF32
65342f77542SRalf Baechle	select CEVT_R4K
654940f6b48SRalf Baechle	select CSRC_R4K
655e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6561da177e4SLinus Torvalds	select DMA_NONCOHERENT
6576630a8e5SChristoph Hellwig	select HAVE_EISA
658d865bea4SRalf Baechle	select I8253
65968de4803SThomas Bogendoerfer	select I8259
6601da177e4SLinus Torvalds	select IP22_CPU_SCACHE
66167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
662aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
663e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
664e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
66536e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
666e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
667e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
668e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6691da177e4SLinus Torvalds	select SWAP_IO_SPACE
6707cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6717cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
672c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
673ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
674ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6755e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
676802b8362SThomas Bogendoerfer	select WAR_R4600_V1_INDEX_ICACHEOP
6775e5b6527SThomas Bogendoerfer	select WAR_R4600_V1_HIT_CACHEOP
67844def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
679930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6801da177e4SLinus Torvalds	help
6811da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6821da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6831da177e4SLinus Torvalds	  that runs on these, say Y here.
6841da177e4SLinus Torvalds
6851da177e4SLinus Torvaldsconfig SGI_IP27
6863fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
68754aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
688397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
6890e2794b0SRalf Baechle	select FW_ARC
6900e2794b0SRalf Baechle	select FW_ARC64
691e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
6925e83d430SRalf Baechle	select BOOT_ELF64
693e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
69404100459SChristoph Hellwig	select FORCE_PCI
69536a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
696eb01d42aSChristoph Hellwig	select HAVE_PCI
69769a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
698e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
699130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
700a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
701a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7027cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
703ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7045e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
705d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
7061a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
707256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
708930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7096c86a302SMike Rapoport	select NUMA
7101da177e4SLinus Torvalds	help
7111da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
7121da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
7131da177e4SLinus Torvalds	  here.
7141da177e4SLinus Torvalds
715e2defae5SThomas Bogendoerferconfig SGI_IP28
7167d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
717c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
71839b2d756SThomas Bogendoerfer	select ARC_PROMLIB
7190e2794b0SRalf Baechle	select FW_ARC
7200e2794b0SRalf Baechle	select FW_ARC64
7217a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
722e2defae5SThomas Bogendoerfer	select BOOT_ELF64
723e2defae5SThomas Bogendoerfer	select CEVT_R4K
724e2defae5SThomas Bogendoerfer	select CSRC_R4K
725e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
726e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
727e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
72867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7296630a8e5SChristoph Hellwig	select HAVE_EISA
730e2defae5SThomas Bogendoerfer	select I8253
731e2defae5SThomas Bogendoerfer	select I8259
732e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
733e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7345b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
735e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
736e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
737e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
738e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
739e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
740c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
741e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
742e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
743256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
744dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
745e2defae5SThomas Bogendoerfer	help
746e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
747e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
748e2defae5SThomas Bogendoerfer
7497505576dSThomas Bogendoerferconfig SGI_IP30
7507505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7517505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7527505576dSThomas Bogendoerfer	select FW_ARC
7537505576dSThomas Bogendoerfer	select FW_ARC64
7547505576dSThomas Bogendoerfer	select BOOT_ELF64
7557505576dSThomas Bogendoerfer	select CEVT_R4K
7567505576dSThomas Bogendoerfer	select CSRC_R4K
75704100459SChristoph Hellwig	select FORCE_PCI
7587505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7597505576dSThomas Bogendoerfer	select ZONE_DMA32
7607505576dSThomas Bogendoerfer	select HAVE_PCI
7617505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7627505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7637505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7647505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7657505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7667505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7677505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7687505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7697505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
770256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
7717505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7727505576dSThomas Bogendoerfer	select ARC_MEMORY
7737505576dSThomas Bogendoerfer	help
7747505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
7757505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
7767505576dSThomas Bogendoerfer
7771da177e4SLinus Torvaldsconfig SGI_IP32
778cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
77939b2d756SThomas Bogendoerfer	select ARC_MEMORY
78039b2d756SThomas Bogendoerfer	select ARC_PROMLIB
78103df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7820e2794b0SRalf Baechle	select FW_ARC
7830e2794b0SRalf Baechle	select FW_ARC32
7841da177e4SLinus Torvalds	select BOOT_ELF32
78542f77542SRalf Baechle	select CEVT_R4K
786940f6b48SRalf Baechle	select CSRC_R4K
7871da177e4SLinus Torvalds	select DMA_NONCOHERENT
788eb01d42aSChristoph Hellwig	select HAVE_PCI
78967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7901da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7911da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7927cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7937cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7947cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
795dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
796ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7975e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
798886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
7991da177e4SLinus Torvalds	help
8001da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
8011da177e4SLinus Torvalds
802ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
803ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
8045e83d430SRalf Baechle	select BOOT_ELF32
8055e83d430SRalf Baechle	select SIBYTE_BCM1120
8065e83d430SRalf Baechle	select SWAP_IO_SPACE
8077cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8085e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8095e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8105e83d430SRalf Baechle
811ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
812ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
8135e83d430SRalf Baechle	select BOOT_ELF32
8145e83d430SRalf Baechle	select SIBYTE_BCM1120
8155e83d430SRalf Baechle	select SWAP_IO_SPACE
8167cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8175e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8185e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8195e83d430SRalf Baechle
8205e83d430SRalf Baechleconfig SIBYTE_CRHONE
8213fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
8225e83d430SRalf Baechle	select BOOT_ELF32
8235e83d430SRalf Baechle	select SIBYTE_BCM1125
8245e83d430SRalf Baechle	select SWAP_IO_SPACE
8257cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8265e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8275e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8285e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8295e83d430SRalf Baechle
830ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
831ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
832ade299d8SYoichi Yuasa	select BOOT_ELF32
833ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
834ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
835ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
836ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
837ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
838ade299d8SYoichi Yuasa
839ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
840ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
841ade299d8SYoichi Yuasa	select BOOT_ELF32
842fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
843ade299d8SYoichi Yuasa	select SIBYTE_SB1250
844ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
845ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
846ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
847ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
848ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
849cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
850e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
851ade299d8SYoichi Yuasa
852ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
853ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
854ade299d8SYoichi Yuasa	select BOOT_ELF32
855fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
856ade299d8SYoichi Yuasa	select SIBYTE_SB1250
857ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
858ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
859ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
860ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
861ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
862756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
863ade299d8SYoichi Yuasa
864ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
865ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
866ade299d8SYoichi Yuasa	select BOOT_ELF32
867ade299d8SYoichi Yuasa	select SIBYTE_SB1250
868ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
869ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
870ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
871ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
872e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
873ade299d8SYoichi Yuasa
874ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
875ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
876ade299d8SYoichi Yuasa	select BOOT_ELF32
877ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
878ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
879ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
880ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
881ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
882651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
883ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
884cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
885e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
886ade299d8SYoichi Yuasa
88714b36af4SThomas Bogendoerferconfig SNI_RM
88814b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
88939b2d756SThomas Bogendoerfer	select ARC_MEMORY
89039b2d756SThomas Bogendoerfer	select ARC_PROMLIB
8910e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8920e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
893aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8945e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
895a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8967a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8975e83d430SRalf Baechle	select BOOT_ELF32
89842f77542SRalf Baechle	select CEVT_R4K
899940f6b48SRalf Baechle	select CSRC_R4K
900e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
9015e83d430SRalf Baechle	select DMA_NONCOHERENT
9025e83d430SRalf Baechle	select GENERIC_ISA_DMA
9036630a8e5SChristoph Hellwig	select HAVE_EISA
9048a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
905eb01d42aSChristoph Hellwig	select HAVE_PCI
90667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
907d865bea4SRalf Baechle	select I8253
9085e83d430SRalf Baechle	select I8259
9095e83d430SRalf Baechle	select ISA
910564c836fSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_6
9114a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
9127cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
9134a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
914c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
9154a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
91636a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
917ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
9187d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
9194a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
9205e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
9215e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
92244def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
9231da177e4SLinus Torvalds	help
92414b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
92514b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
9265e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
9275e83d430SRalf Baechle	  support this machine type.
9281da177e4SLinus Torvalds
929edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
930edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9315e83d430SRalf Baechle
932edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
933edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
93424a1c023SThomas Bogendoerfer	select WAR_TX49XX_ICACHE_INDEX_INV
93523fbee9dSRalf Baechle
93673b4390fSRalf Baechleconfig MIKROTIK_RB532
93773b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
93873b4390fSRalf Baechle	select CEVT_R4K
93973b4390fSRalf Baechle	select CSRC_R4K
94073b4390fSRalf Baechle	select DMA_NONCOHERENT
941eb01d42aSChristoph Hellwig	select HAVE_PCI
94267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
94373b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
94473b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
94573b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
94673b4390fSRalf Baechle	select SWAP_IO_SPACE
94773b4390fSRalf Baechle	select BOOT_RAW
948d30a2b47SLinus Walleij	select GPIOLIB
949930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
95073b4390fSRalf Baechle	help
95173b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
95273b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
95373b4390fSRalf Baechle
9549ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9559ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
956a86c7f72SDavid Daney	select CEVT_R4K
957ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9581753d50cSChristoph Hellwig	select HAVE_RAPIDIO
959d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
960a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
961a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
962f65aad41SRalf Baechle	select EDAC_SUPPORT
963b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
96473569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
96573569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
966a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9675e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
968eb01d42aSChristoph Hellwig	select HAVE_PCI
96978bdbbacSMasahiro Yamada	select HAVE_PLAT_DELAY
97078bdbbacSMasahiro Yamada	select HAVE_PLAT_FW_INIT_CMDLINE
97178bdbbacSMasahiro Yamada	select HAVE_PLAT_MEMCPY
972f00e001eSDavid Daney	select ZONE_DMA32
973d30a2b47SLinus Walleij	select GPIOLIB
9746e511163SDavid Daney	select USE_OF
9756e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9766e511163SDavid Daney	select SYS_SUPPORTS_SMP
9777820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9787820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
979e326479fSAndrew Bresticker	select BUILTIN_DTB
980f766b28aSJulian Braha	select MTD
9818c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
98209230cbcSChristoph Hellwig	select SWIOTLB
9833ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
984a86c7f72SDavid Daney	help
985a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
986a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
987a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
988a86c7f72SDavid Daney	  Some of the supported boards are:
989a86c7f72SDavid Daney		EBT3000
990a86c7f72SDavid Daney		EBH3000
991a86c7f72SDavid Daney		EBH3100
992a86c7f72SDavid Daney		Thunder
993a86c7f72SDavid Daney		Kodama
994a86c7f72SDavid Daney		Hikari
995a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
996a86c7f72SDavid Daney
9971da177e4SLinus Torvaldsendchoice
9981da177e4SLinus Torvalds
999e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10003b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1001d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1002a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1003e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10048945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1005eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
1006a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig"
10075e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10088ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10092572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1010ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
101129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
101238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
101322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10145e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1015a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
101671e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
101730ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
101830ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
101938b18f72SRalf Baechle
10205e83d430SRalf Baechleendmenu
10215e83d430SRalf Baechle
10223c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10233c9ee7efSAkinobu Mita	bool
10243c9ee7efSAkinobu Mita	default y
10253c9ee7efSAkinobu Mita
10261da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10271da177e4SLinus Torvalds	bool
10281da177e4SLinus Torvalds	default y
10291da177e4SLinus Torvalds
1030ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10311cc89038SAtsushi Nemoto	bool
10321cc89038SAtsushi Nemoto	default y
10331cc89038SAtsushi Nemoto
10341da177e4SLinus Torvalds#
10351da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10361da177e4SLinus Torvalds#
10370e2794b0SRalf Baechleconfig FW_ARC
10381da177e4SLinus Torvalds	bool
10391da177e4SLinus Torvalds
104061ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
104161ed242dSRalf Baechle	bool
104261ed242dSRalf Baechle
10439267a30dSMarc St-Jeanconfig BOOT_RAW
10449267a30dSMarc St-Jean	bool
10459267a30dSMarc St-Jean
1046217dd11eSRalf Baechleconfig CEVT_BCM1480
1047217dd11eSRalf Baechle	bool
1048217dd11eSRalf Baechle
10496457d9fcSYoichi Yuasaconfig CEVT_DS1287
10506457d9fcSYoichi Yuasa	bool
10516457d9fcSYoichi Yuasa
10521097c6acSYoichi Yuasaconfig CEVT_GT641XX
10531097c6acSYoichi Yuasa	bool
10541097c6acSYoichi Yuasa
105542f77542SRalf Baechleconfig CEVT_R4K
105642f77542SRalf Baechle	bool
105742f77542SRalf Baechle
1058217dd11eSRalf Baechleconfig CEVT_SB1250
1059217dd11eSRalf Baechle	bool
1060217dd11eSRalf Baechle
1061229f773eSAtsushi Nemotoconfig CEVT_TXX9
1062229f773eSAtsushi Nemoto	bool
1063229f773eSAtsushi Nemoto
1064217dd11eSRalf Baechleconfig CSRC_BCM1480
1065217dd11eSRalf Baechle	bool
1066217dd11eSRalf Baechle
10674247417dSYoichi Yuasaconfig CSRC_IOASIC
10684247417dSYoichi Yuasa	bool
10694247417dSYoichi Yuasa
1070940f6b48SRalf Baechleconfig CSRC_R4K
107138586428SSerge Semin	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1072940f6b48SRalf Baechle	bool
1073940f6b48SRalf Baechle
1074217dd11eSRalf Baechleconfig CSRC_SB1250
1075217dd11eSRalf Baechle	bool
1076217dd11eSRalf Baechle
1077a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1078a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1079a7f4df4eSAlex Smith
1080a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1081d30a2b47SLinus Walleij	select GPIOLIB
1082a9aec7feSAtsushi Nemoto	bool
1083a9aec7feSAtsushi Nemoto
10840e2794b0SRalf Baechleconfig FW_CFE
1085df78b5c8SAurelien Jarno	bool
1086df78b5c8SAurelien Jarno
108740e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
108840e084a5SRalf Baechle	bool
108940e084a5SRalf Baechle
109020d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
109120d33064SPaul Burton	bool
1092347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
10935748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
109420d33064SPaul Burton
10951da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
10961da177e4SLinus Torvalds	bool
1097db91427bSChristoph Hellwig	#
1098db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1099db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1100db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1101db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1102db91427bSChristoph Hellwig	# significant advantages.
1103db91427bSChristoph Hellwig	#
1104419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1105fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_PREP_COHERENT
1106f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1107fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_SET_UNCACHED
110834dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
110934dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11104ce588cdSRalf Baechle
111136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11121da177e4SLinus Torvalds	bool
11131da177e4SLinus Torvalds
11141b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1115dbb74540SRalf Baechle	bool
1116dbb74540SRalf Baechle
11171da177e4SLinus Torvaldsconfig MIPS_BONITO64
11181da177e4SLinus Torvalds	bool
11191da177e4SLinus Torvalds
11201da177e4SLinus Torvaldsconfig MIPS_MSC
11211da177e4SLinus Torvalds	bool
11221da177e4SLinus Torvalds
112339b8d525SRalf Baechleconfig SYNC_R4K
112439b8d525SRalf Baechle	bool
112539b8d525SRalf Baechle
1126ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1127d388d685SMaciej W. Rozycki	def_bool n
1128d388d685SMaciej W. Rozycki
11294e0748f5SMarkos Chandrasconfig GENERIC_CSUM
113018d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
11314e0748f5SMarkos Chandras
11328313da30SRalf Baechleconfig GENERIC_ISA_DMA
11338313da30SRalf Baechle	bool
11348313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1135a35bee8aSNamhyung Kim	select ISA_DMA_API
11368313da30SRalf Baechle
1137aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1138aa414dffSRalf Baechle	bool
11398313da30SRalf Baechle	select GENERIC_ISA_DMA
1140aa414dffSRalf Baechle
114178bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY
114278bdbbacSMasahiro Yamada	bool
114378bdbbacSMasahiro Yamada
114478bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE
114578bdbbacSMasahiro Yamada	bool
114678bdbbacSMasahiro Yamada
114778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY
114878bdbbacSMasahiro Yamada	bool
114978bdbbacSMasahiro Yamada
1150a35bee8aSNamhyung Kimconfig ISA_DMA_API
1151a35bee8aSNamhyung Kim	bool
1152a35bee8aSNamhyung Kim
11538c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
11548c530ea3SMatt Redfearn	bool
11558c530ea3SMatt Redfearn	help
11568c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
11578c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
11588c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
11598c530ea3SMatt Redfearn
11605e83d430SRalf Baechle#
11616b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
11625e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
11635e83d430SRalf Baechle# choice statement should be more obvious to the user.
11645e83d430SRalf Baechle#
11655e83d430SRalf Baechlechoice
11666b2aac42SMasanari Iida	prompt "Endianness selection"
11671da177e4SLinus Torvalds	help
11681da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
11695e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
11703cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
11715e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
11723dde6ad8SDavid Sterba	  one or the other endianness.
11735e83d430SRalf Baechle
11745e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
11755e83d430SRalf Baechle	bool "Big endian"
11765e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
11775e83d430SRalf Baechle
11785e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
11795e83d430SRalf Baechle	bool "Little endian"
11805e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
11815e83d430SRalf Baechle
11825e83d430SRalf Baechleendchoice
11835e83d430SRalf Baechle
118422b0763aSDavid Daneyconfig EXPORT_UASM
118522b0763aSDavid Daney	bool
118622b0763aSDavid Daney
11872116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
11882116245eSRalf Baechle	bool
11892116245eSRalf Baechle
11905e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
11915e83d430SRalf Baechle	bool
11925e83d430SRalf Baechle
11935e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
11945e83d430SRalf Baechle	bool
11951da177e4SLinus Torvalds
1196aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1197aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1198aa1762f4SDavid Daney
11999267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12009267a30dSMarc St-Jean	bool
12019267a30dSMarc St-Jean
12029267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12039267a30dSMarc St-Jean	bool
12049267a30dSMarc St-Jean
12058420fd00SAtsushi Nemotoconfig IRQ_TXX9
12068420fd00SAtsushi Nemoto	bool
12078420fd00SAtsushi Nemoto
1208d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1209d5ab1a69SYoichi Yuasa	bool
1210d5ab1a69SYoichi Yuasa
1211252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12121da177e4SLinus Torvalds	bool
12131da177e4SLinus Torvalds
1214a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1215a57140e9SThomas Bogendoerfer	bool
1216a57140e9SThomas Bogendoerfer
12179267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12189267a30dSMarc St-Jean	bool
12199267a30dSMarc St-Jean
1220a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1221a7e07b1aSMarkos Chandras	bool
1222a7e07b1aSMarkos Chandras
12231da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12241da177e4SLinus Torvalds	bool
12251da177e4SLinus Torvalds
1226e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1227e2defae5SThomas Bogendoerfer	bool
1228e2defae5SThomas Bogendoerfer
12295b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12305b438c44SThomas Bogendoerfer	bool
12315b438c44SThomas Bogendoerfer
1232e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1233e2defae5SThomas Bogendoerfer	bool
1234e2defae5SThomas Bogendoerfer
1235e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1236e2defae5SThomas Bogendoerfer	bool
1237e2defae5SThomas Bogendoerfer
1238e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1239e2defae5SThomas Bogendoerfer	bool
1240e2defae5SThomas Bogendoerfer
1241e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1242e2defae5SThomas Bogendoerfer	bool
1243e2defae5SThomas Bogendoerfer
1244e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1245e2defae5SThomas Bogendoerfer	bool
1246e2defae5SThomas Bogendoerfer
12470e2794b0SRalf Baechleconfig FW_ARC32
12485e83d430SRalf Baechle	bool
12495e83d430SRalf Baechle
1250aaa9fad3SPaul Bolleconfig FW_SNIPROM
1251231a35d3SThomas Bogendoerfer	bool
1252231a35d3SThomas Bogendoerfer
12531da177e4SLinus Torvaldsconfig BOOT_ELF32
12541da177e4SLinus Torvalds	bool
12551da177e4SLinus Torvalds
1256930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1257930beb5aSFlorian Fainelli	bool
1258930beb5aSFlorian Fainelli
1259930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1260930beb5aSFlorian Fainelli	bool
1261930beb5aSFlorian Fainelli
1262930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1263930beb5aSFlorian Fainelli	bool
1264930beb5aSFlorian Fainelli
1265930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1266930beb5aSFlorian Fainelli	bool
1267930beb5aSFlorian Fainelli
12681da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
12691da177e4SLinus Torvalds	int
1270a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
12715432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
12725432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
12735432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
12741da177e4SLinus Torvalds	default "5"
12751da177e4SLinus Torvalds
1276e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1277e9422427SThomas Bogendoerfer	bool
1278e9422427SThomas Bogendoerfer
12791da177e4SLinus Torvaldsconfig ARC_CONSOLE
12801da177e4SLinus Torvalds	bool "ARC console support"
1281e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
12821da177e4SLinus Torvalds
12831da177e4SLinus Torvaldsconfig ARC_MEMORY
12841da177e4SLinus Torvalds	bool
12851da177e4SLinus Torvalds
12861da177e4SLinus Torvaldsconfig ARC_PROMLIB
12871da177e4SLinus Torvalds	bool
12881da177e4SLinus Torvalds
12890e2794b0SRalf Baechleconfig FW_ARC64
12901da177e4SLinus Torvalds	bool
12911da177e4SLinus Torvalds
12921da177e4SLinus Torvaldsconfig BOOT_ELF64
12931da177e4SLinus Torvalds	bool
12941da177e4SLinus Torvalds
12951da177e4SLinus Torvaldsmenu "CPU selection"
12961da177e4SLinus Torvalds
12971da177e4SLinus Torvaldschoice
12981da177e4SLinus Torvalds	prompt "CPU type"
12991da177e4SLinus Torvalds	default CPU_R4X00
13001da177e4SLinus Torvalds
1301268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1302caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1303268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1304d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
130551522217SJiaxun Yang	select CPU_MIPSR2
130651522217SJiaxun Yang	select CPU_HAS_PREFETCH
13070e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13080e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13090e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
13107507445bSHuacai Chen	select CPU_SUPPORTS_MSA
131151522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
131251522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
13130e476d91SHuacai Chen	select WEAK_ORDERING
13140e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
13157507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1316b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
131717c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
13187f3b3c2bSJackie Liu	select MIPS_FP_SUPPORT
1319d30a2b47SLinus Walleij	select GPIOLIB
132009230cbcSChristoph Hellwig	select SWIOTLB
13210f78355cSHuacai Chen	select HAVE_KVM
13220e476d91SHuacai Chen	help
1323caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1324caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1325caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1326caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1327caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
13280e476d91SHuacai Chen
1329caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1330caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
13311e820da3SHuacai Chen	default n
1332268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
13331e820da3SHuacai Chen	help
1334caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
13351e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1336268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
13371e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
13381e820da3SHuacai Chen	  Fast TLB refill support, etc.
13391e820da3SHuacai Chen
13401e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
13411e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
13421e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1343caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
13441e820da3SHuacai Chen
1345e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1346caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1347e02e07e3SHuacai Chen	default y if SMP
1348268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1349e02e07e3SHuacai Chen	help
1350caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1351e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1352e02e07e3SHuacai Chen
1353caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1354e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1355e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1356e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1357e02e07e3SHuacai Chen
1358e02e07e3SHuacai Chen	  If unsure, please say Y.
1359e02e07e3SHuacai Chen
1360ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION
1361ec7a9318SWANG Xuerui	bool "Emulate the CPUCFG instruction on older Loongson cores"
1362ec7a9318SWANG Xuerui	default y
1363ec7a9318SWANG Xuerui	depends on CPU_LOONGSON64
1364ec7a9318SWANG Xuerui	help
1365ec7a9318SWANG Xuerui	  Loongson-3A R4 and newer have the CPUCFG instruction available for
1366ec7a9318SWANG Xuerui	  userland to query CPU capabilities, much like CPUID on x86. This
1367ec7a9318SWANG Xuerui	  option provides emulation of the instruction on older Loongson
1368ec7a9318SWANG Xuerui	  cores, back to Loongson-3A1000.
1369ec7a9318SWANG Xuerui
1370ec7a9318SWANG Xuerui	  If unsure, please say Y.
1371ec7a9318SWANG Xuerui
13723702bba5SWu Zhangjinconfig CPU_LOONGSON2E
13733702bba5SWu Zhangjin	bool "Loongson 2E"
13743702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1375268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
13762a21c730SFuxin Zhang	help
13772a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
13782a21c730SFuxin Zhang	  with many extensions.
13792a21c730SFuxin Zhang
138025985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
13816f7a251aSWu Zhangjin	  bonito64.
13826f7a251aSWu Zhangjin
13836f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
13846f7a251aSWu Zhangjin	bool "Loongson 2F"
13856f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1386268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1387d30a2b47SLinus Walleij	select GPIOLIB
13886f7a251aSWu Zhangjin	help
13896f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
13906f7a251aSWu Zhangjin	  with many extensions.
13916f7a251aSWu Zhangjin
13926f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
13936f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
13946f7a251aSWu Zhangjin	  Loongson2E.
13956f7a251aSWu Zhangjin
1396ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1397ca585cf9SKelvin Cheung	bool "Loongson 1B"
1398ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1399b2afb64cSHuacai Chen	select CPU_LOONGSON32
14009ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1401ca585cf9SKelvin Cheung	help
1402ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1403968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1404968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1405ca585cf9SKelvin Cheung
140612e3280bSYang Lingconfig CPU_LOONGSON1C
140712e3280bSYang Ling	bool "Loongson 1C"
140812e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1409b2afb64cSHuacai Chen	select CPU_LOONGSON32
141012e3280bSYang Ling	select LEDS_GPIO_REGISTER
141112e3280bSYang Ling	help
141212e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1413968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1414968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
141512e3280bSYang Ling
14166e760c8dSRalf Baechleconfig CPU_MIPS32_R1
14176e760c8dSRalf Baechle	bool "MIPS32 Release 1"
14187cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
14196e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1420797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1421ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14226e760c8dSRalf Baechle	help
14235e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14241e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14251e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14261e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14271e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14281e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
14291e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
14301e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
14311e5f1caaSRalf Baechle	  performance.
14321e5f1caaSRalf Baechle
14331e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
14341e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
14357cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
14361e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1437797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1438ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1439a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
14402235a54dSSanjay Lal	select HAVE_KVM
14411e5f1caaSRalf Baechle	help
14425e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
14436e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14446e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14456e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14466e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14471da177e4SLinus Torvalds
1448ab7c01fdSSerge Seminconfig CPU_MIPS32_R5
1449ab7c01fdSSerge Semin	bool "MIPS32 Release 5"
1450ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS32_R5
1451ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1452ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1453ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1454ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1455ab7c01fdSSerge Semin	select HAVE_KVM
1456ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT
1457ab7c01fdSSerge Semin	help
1458ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1459ab7c01fdSSerge Semin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1460ab7c01fdSSerge Semin	  family, are based on a MIPS32r5 processor. If you own an older
1461ab7c01fdSSerge Semin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1462ab7c01fdSSerge Semin
14637fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1464674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
14657fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
14667fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
146718d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
14687fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
14697fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
14707fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
14717fd08ca5SLeonid Yegoshin	select HAVE_KVM
14727fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
14737fd08ca5SLeonid Yegoshin	help
14747fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
14757fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
14767fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
14777fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
14787fd08ca5SLeonid Yegoshin
14796e760c8dSRalf Baechleconfig CPU_MIPS64_R1
14806e760c8dSRalf Baechle	bool "MIPS64 Release 1"
14817cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1482797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1483ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1484ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1485ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14869cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
14876e760c8dSRalf Baechle	help
14886e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14896e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
14906e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
14916e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14926e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
14931e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
14941e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
14951e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
14961e5f1caaSRalf Baechle	  performance.
14971e5f1caaSRalf Baechle
14981e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
14991e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15007cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1501797798c1SRalf Baechle	select CPU_HAS_PREFETCH
15021e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15031e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1504ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15059cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1506a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
150740a2df49SJames Hogan	select HAVE_KVM
15081e5f1caaSRalf Baechle	help
15091e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15101e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15111e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15121e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15131e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15141da177e4SLinus Torvalds
1515ab7c01fdSSerge Seminconfig CPU_MIPS64_R5
1516ab7c01fdSSerge Semin	bool "MIPS64 Release 5"
1517ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS64_R5
1518ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1519ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1520ab7c01fdSSerge Semin	select CPU_SUPPORTS_64BIT_KERNEL
1521ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1522ab7c01fdSSerge Semin	select CPU_SUPPORTS_HUGEPAGES
1523ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1524ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1525ab7c01fdSSerge Semin	select HAVE_KVM
1526ab7c01fdSSerge Semin	help
1527ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1528ab7c01fdSSerge Semin	  MIPS64 architecture.  This is a intermediate MIPS architecture
1529ab7c01fdSSerge Semin	  release partly implementing release 6 features. Though there is no
1530ab7c01fdSSerge Semin	  any hardware known to be based on this release.
1531ab7c01fdSSerge Semin
15327fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1533674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
15347fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
15357fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
153618d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15377fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15387fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
15397fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1540afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
15417fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15422e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
154340a2df49SJames Hogan	select HAVE_KVM
15447fd08ca5SLeonid Yegoshin	help
15457fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15467fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
15477fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
15487fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
15497fd08ca5SLeonid Yegoshin
1550281e3aeaSSerge Seminconfig CPU_P5600
1551281e3aeaSSerge Semin	bool "MIPS Warrior P5600"
1552281e3aeaSSerge Semin	depends on SYS_HAS_CPU_P5600
1553281e3aeaSSerge Semin	select CPU_HAS_PREFETCH
1554281e3aeaSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1555281e3aeaSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1556281e3aeaSSerge Semin	select CPU_SUPPORTS_MSA
1557281e3aeaSSerge Semin	select CPU_SUPPORTS_CPUFREQ
1558281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_VI
1559281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_EI
1560281e3aeaSSerge Semin	select HAVE_KVM
1561281e3aeaSSerge Semin	select MIPS_O32_FP64_SUPPORT
1562281e3aeaSSerge Semin	help
1563281e3aeaSSerge Semin	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1564281e3aeaSSerge Semin	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1565281e3aeaSSerge Semin	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1566281e3aeaSSerge Semin	  level features like up to six P5600 calculation cores, CM2 with L2
1567281e3aeaSSerge Semin	  cache, IOCU/IOMMU (though might be unused depending on the system-
1568281e3aeaSSerge Semin	  specific IP core configuration), GIC, CPC, virtualisation module,
1569281e3aeaSSerge Semin	  eJTAG and PDtrace.
1570281e3aeaSSerge Semin
15711da177e4SLinus Torvaldsconfig CPU_R3000
15721da177e4SLinus Torvalds	bool "R3000"
15737cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1574f7062ddbSRalf Baechle	select CPU_HAS_WB
157554746829SPaul Burton	select CPU_R3K_TLB
1576ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1577797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15781da177e4SLinus Torvalds	help
15791da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
15801da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
15811da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
15821da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
15831da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
15841da177e4SLinus Torvalds	  try to recompile with R3000.
15851da177e4SLinus Torvalds
15861da177e4SLinus Torvaldsconfig CPU_TX39XX
15871da177e4SLinus Torvalds	bool "R39XX"
15887cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1589ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
159054746829SPaul Burton	select CPU_R3K_TLB
15911da177e4SLinus Torvalds
15921da177e4SLinus Torvaldsconfig CPU_VR41XX
15931da177e4SLinus Torvalds	bool "R41xx"
15947cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1595ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1596ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
15971da177e4SLinus Torvalds	help
15985e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
15991da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16001da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16011da177e4SLinus Torvalds	  processor or vice versa.
16021da177e4SLinus Torvalds
160365ce6197SLauri Kasanenconfig CPU_R4300
160465ce6197SLauri Kasanen	bool "R4300"
160565ce6197SLauri Kasanen	depends on SYS_HAS_CPU_R4300
160665ce6197SLauri Kasanen	select CPU_SUPPORTS_32BIT_KERNEL
160765ce6197SLauri Kasanen	select CPU_SUPPORTS_64BIT_KERNEL
160865ce6197SLauri Kasanen	help
160965ce6197SLauri Kasanen	  MIPS Technologies R4300-series processors.
161065ce6197SLauri Kasanen
16111da177e4SLinus Torvaldsconfig CPU_R4X00
16121da177e4SLinus Torvalds	bool "R4x00"
16137cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1614ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1615ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1616970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16171da177e4SLinus Torvalds	help
16181da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16191da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16201da177e4SLinus Torvalds
16211da177e4SLinus Torvaldsconfig CPU_TX49XX
16221da177e4SLinus Torvalds	bool "R49XX"
16237cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1624de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1625ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1626ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1627970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16281da177e4SLinus Torvalds
16291da177e4SLinus Torvaldsconfig CPU_R5000
16301da177e4SLinus Torvalds	bool "R5000"
16317cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1632ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1633ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1634970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16351da177e4SLinus Torvalds	help
16361da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16371da177e4SLinus Torvalds
1638542c1020SShinya Kuribayashiconfig CPU_R5500
1639542c1020SShinya Kuribayashi	bool "R5500"
1640542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1641542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1642542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
16439cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1644542c1020SShinya Kuribayashi	help
1645542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1646542c1020SShinya Kuribayashi	  instruction set.
1647542c1020SShinya Kuribayashi
16481da177e4SLinus Torvaldsconfig CPU_NEVADA
16491da177e4SLinus Torvalds	bool "RM52xx"
16507cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1651ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1652ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1653970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16541da177e4SLinus Torvalds	help
16551da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
16561da177e4SLinus Torvalds
16571da177e4SLinus Torvaldsconfig CPU_R10000
16581da177e4SLinus Torvalds	bool "R10000"
16597cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
16605e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1661ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1662ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1663797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1664970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16651da177e4SLinus Torvalds	help
16661da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
16671da177e4SLinus Torvalds
16681da177e4SLinus Torvaldsconfig CPU_RM7000
16691da177e4SLinus Torvalds	bool "RM7000"
16707cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
16715e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1672ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1673ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1674797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1675970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16761da177e4SLinus Torvalds
16771da177e4SLinus Torvaldsconfig CPU_SB1
16781da177e4SLinus Torvalds	bool "SB1"
16797cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1680ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1681ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1682797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1683970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16840004a9dfSRalf Baechle	select WEAK_ORDERING
16851da177e4SLinus Torvalds
1686a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1687a86c7f72SDavid Daney	bool "Cavium Octeon processor"
16885e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1689a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1690a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1691a86c7f72SDavid Daney	select WEAK_ORDERING
1692a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
16939cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1694df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1695df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1696930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
16970ae3abcdSJames Hogan	select HAVE_KVM
1698a86c7f72SDavid Daney	help
1699a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1700a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1701a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1702a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1703a86c7f72SDavid Daney
1704cd746249SJonas Gorskiconfig CPU_BMIPS
1705cd746249SJonas Gorski	bool "Broadcom BMIPS"
1706cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1707cd746249SJonas Gorski	select CPU_MIPS32
1708fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1709cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1710cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1711cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1712cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1713cd746249SJonas Gorski	select DMA_NONCOHERENT
171467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1715cd746249SJonas Gorski	select SWAP_IO_SPACE
1716cd746249SJonas Gorski	select WEAK_ORDERING
1717c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
171869aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1719a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1720a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1721bf8bde41SFlorian Fainelli	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1722c1c0c461SKevin Cernekee	help
1723fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1724c1c0c461SKevin Cernekee
17251da177e4SLinus Torvaldsendchoice
17261da177e4SLinus Torvalds
1727a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1728a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1729a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
1730281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1731281e3aeaSSerge Semin		   CPU_P5600
1732a6e18781SLeonid Yegoshin	help
1733a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1734a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1735a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1736a6e18781SLeonid Yegoshin
1737a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1738a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1739a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1740a6e18781SLeonid Yegoshin	select EVA
1741a6e18781SLeonid Yegoshin	default y
1742a6e18781SLeonid Yegoshin	help
1743a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1744a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1745a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1746a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1747a6e18781SLeonid Yegoshin
1748c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1749c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1750c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1751281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1752c5b36783SSteven J. Hill	help
1753c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1754c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1755c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1756c5b36783SSteven J. Hill
1757c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1758c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1759c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1760c5b36783SSteven J. Hill	depends on !EVA
1761c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1762c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1763c5b36783SSteven J. Hill	select XPA
1764c5b36783SSteven J. Hill	select HIGHMEM
1765d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1766c5b36783SSteven J. Hill	default n
1767c5b36783SSteven J. Hill	help
1768c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1769c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1770c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1771c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1772c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1773c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1774c5b36783SSteven J. Hill
1775622844bfSWu Zhangjinif CPU_LOONGSON2F
1776622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1777622844bfSWu Zhangjin	bool
1778622844bfSWu Zhangjin
1779622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1780622844bfSWu Zhangjin	bool
1781622844bfSWu Zhangjin
1782622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1783622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1784622844bfSWu Zhangjin	default y
1785622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1786622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1787622844bfSWu Zhangjin	help
1788622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1789622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1790622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1791622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1792622844bfSWu Zhangjin
1793622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1794622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1795622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1796622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1797622844bfSWu Zhangjin	  systems.
1798622844bfSWu Zhangjin
1799622844bfSWu Zhangjin	  If unsure, please say Y.
1800622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1801622844bfSWu Zhangjin
18021b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18031b93b3c3SWu Zhangjin	bool
18041b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18051b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
180631c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18071b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1808fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18094e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
1810a510b616SPaul Cercueil	select HAVE_KERNEL_ZSTD
18111b93b3c3SWu Zhangjin
18121b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18131b93b3c3SWu Zhangjin	bool
18141b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18151b93b3c3SWu Zhangjin
1816dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1817dbb98314SAlban Bedel	bool
1818dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1819dbb98314SAlban Bedel
1820268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
18213702bba5SWu Zhangjin	bool
18223702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
18233702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
18243702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1825970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1826e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
18273702bba5SWu Zhangjin
1828b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1829ca585cf9SKelvin Cheung	bool
1830ca585cf9SKelvin Cheung	select CPU_MIPS32
18317e280f6bSJiaxun Yang	select CPU_MIPSR2
1832ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1833ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1834ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1835f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1836ca585cf9SKelvin Cheung
1837fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
183804fa8bf7SJonas Gorski	select SMP_UP if SMP
18391bbb6c1bSKevin Cernekee	bool
1840cd746249SJonas Gorski
1841cd746249SJonas Gorskiconfig CPU_BMIPS4350
1842cd746249SJonas Gorski	bool
1843cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1844cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1845cd746249SJonas Gorski
1846cd746249SJonas Gorskiconfig CPU_BMIPS4380
1847cd746249SJonas Gorski	bool
1848bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1849cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1850cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1851b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1852cd746249SJonas Gorski
1853cd746249SJonas Gorskiconfig CPU_BMIPS5000
1854cd746249SJonas Gorski	bool
1855cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1856bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1857cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1858cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1859b4720809SFlorian Fainelli	select CPU_HAS_RIXI
18601bbb6c1bSKevin Cernekee
1861268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
18620e476d91SHuacai Chen	bool
18630e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1864b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
18650e476d91SHuacai Chen
18663702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
18672a21c730SFuxin Zhang	bool
18682a21c730SFuxin Zhang
18696f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
18706f7a251aSWu Zhangjin	bool
187155045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
187255045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
18736f7a251aSWu Zhangjin
1874ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1875ca585cf9SKelvin Cheung	bool
1876ca585cf9SKelvin Cheung
187712e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
187812e3280bSYang Ling	bool
187912e3280bSYang Ling
18807cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
18817cf8053bSRalf Baechle	bool
18827cf8053bSRalf Baechle
18837cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
18847cf8053bSRalf Baechle	bool
18857cf8053bSRalf Baechle
1886a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1887a6e18781SLeonid Yegoshin	bool
1888a6e18781SLeonid Yegoshin
1889c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1890c5b36783SSteven J. Hill	bool
18919ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1892c5b36783SSteven J. Hill
18937fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
18947fd08ca5SLeonid Yegoshin	bool
18959ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
18967fd08ca5SLeonid Yegoshin
18977cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
18987cf8053bSRalf Baechle	bool
18997cf8053bSRalf Baechle
19007cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19017cf8053bSRalf Baechle	bool
19027cf8053bSRalf Baechle
1903fd4eb90bSLukas Bulwahnconfig SYS_HAS_CPU_MIPS64_R5
1904fd4eb90bSLukas Bulwahn	bool
1905fd4eb90bSLukas Bulwahn	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1906fd4eb90bSLukas Bulwahn
19077fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19087fd08ca5SLeonid Yegoshin	bool
19099ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19107fd08ca5SLeonid Yegoshin
1911281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600
1912281e3aeaSSerge Semin	bool
1913281e3aeaSSerge Semin	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1914281e3aeaSSerge Semin
19157cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19167cf8053bSRalf Baechle	bool
19177cf8053bSRalf Baechle
19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19197cf8053bSRalf Baechle	bool
19207cf8053bSRalf Baechle
19217cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19227cf8053bSRalf Baechle	bool
19237cf8053bSRalf Baechle
192465ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300
192565ce6197SLauri Kasanen	bool
192665ce6197SLauri Kasanen
19277cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
19287cf8053bSRalf Baechle	bool
19297cf8053bSRalf Baechle
19307cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
19317cf8053bSRalf Baechle	bool
19327cf8053bSRalf Baechle
19337cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
19347cf8053bSRalf Baechle	bool
19357cf8053bSRalf Baechle
1936542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1937542c1020SShinya Kuribayashi	bool
1938542c1020SShinya Kuribayashi
19397cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
19407cf8053bSRalf Baechle	bool
19417cf8053bSRalf Baechle
19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
19437cf8053bSRalf Baechle	bool
19449ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19457cf8053bSRalf Baechle
19467cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
19477cf8053bSRalf Baechle	bool
19487cf8053bSRalf Baechle
19497cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
19507cf8053bSRalf Baechle	bool
19517cf8053bSRalf Baechle
19525e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
19535e683389SDavid Daney	bool
19545e683389SDavid Daney
1955cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1956c1c0c461SKevin Cernekee	bool
1957c1c0c461SKevin Cernekee
1958fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1959c1c0c461SKevin Cernekee	bool
1960cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1961c1c0c461SKevin Cernekee
1962c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
1963c1c0c461SKevin Cernekee	bool
1964cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1965c1c0c461SKevin Cernekee
1966c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
1967c1c0c461SKevin Cernekee	bool
1968cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1969c1c0c461SKevin Cernekee
1970c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
1971c1c0c461SKevin Cernekee	bool
1972cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1973f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
1974c1c0c461SKevin Cernekee
197517099b11SRalf Baechle#
197617099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
197717099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
197817099b11SRalf Baechle#
19790004a9dfSRalf Baechleconfig WEAK_ORDERING
19800004a9dfSRalf Baechle	bool
198117099b11SRalf Baechle
198217099b11SRalf Baechle#
198317099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
198417099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
198517099b11SRalf Baechle#
198617099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
198717099b11SRalf Baechle	bool
19885e83d430SRalf Baechleendmenu
19895e83d430SRalf Baechle
19905e83d430SRalf Baechle#
19915e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
19925e83d430SRalf Baechle#
19935e83d430SRalf Baechleconfig CPU_MIPS32
19945e83d430SRalf Baechle	bool
1995ab7c01fdSSerge Semin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1996281e3aeaSSerge Semin		     CPU_MIPS32_R6 || CPU_P5600
19975e83d430SRalf Baechle
19985e83d430SRalf Baechleconfig CPU_MIPS64
19995e83d430SRalf Baechle	bool
2000ab7c01fdSSerge Semin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
20015a4fa44fSJason A. Donenfeld		     CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
20025e83d430SRalf Baechle
20035e83d430SRalf Baechle#
200457eeacedSPaul Burton# These indicate the revision of the architecture
20055e83d430SRalf Baechle#
20065e83d430SRalf Baechleconfig CPU_MIPSR1
20075e83d430SRalf Baechle	bool
20085e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20095e83d430SRalf Baechle
20105e83d430SRalf Baechleconfig CPU_MIPSR2
20115e83d430SRalf Baechle	bool
2012a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20138256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2014ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2015a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20165e83d430SRalf Baechle
2017ab7c01fdSSerge Seminconfig CPU_MIPSR5
2018ab7c01fdSSerge Semin	bool
2019281e3aeaSSerge Semin	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
2020ab7c01fdSSerge Semin	select CPU_HAS_RIXI
2021ab7c01fdSSerge Semin	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2022ab7c01fdSSerge Semin	select MIPS_SPRAM
2023ab7c01fdSSerge Semin
20247fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20257fd08ca5SLeonid Yegoshin	bool
20267fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20278256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2028ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
202987321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
20302db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
20314a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2032a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20335e83d430SRalf Baechle
203457eeacedSPaul Burtonconfig TARGET_ISA_REV
203557eeacedSPaul Burton	int
203657eeacedSPaul Burton	default 1 if CPU_MIPSR1
203757eeacedSPaul Burton	default 2 if CPU_MIPSR2
2038ab7c01fdSSerge Semin	default 5 if CPU_MIPSR5
203957eeacedSPaul Burton	default 6 if CPU_MIPSR6
204057eeacedSPaul Burton	default 0
204157eeacedSPaul Burton	help
204257eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
204357eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
204457eeacedSPaul Burton
2045a6e18781SLeonid Yegoshinconfig EVA
2046a6e18781SLeonid Yegoshin	bool
2047a6e18781SLeonid Yegoshin
2048c5b36783SSteven J. Hillconfig XPA
2049c5b36783SSteven J. Hill	bool
2050c5b36783SSteven J. Hill
20515e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
20525e83d430SRalf Baechle	bool
20535e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
20545e83d430SRalf Baechle	bool
20555e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
20565e83d430SRalf Baechle	bool
20575e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
20585e83d430SRalf Baechle	bool
205955045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
206055045ff5SWu Zhangjin	bool
206155045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
206255045ff5SWu Zhangjin	bool
20639cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
20649cffd154SDavid Daney	bool
2065a670c82dSLukas Bulwahn	depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
206682622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
206782622284SDavid Daney	bool
2068c6972fb9SHuang Pei	depends on 64BIT
206995b8a5e0SThomas Bogendoerfer	default y if (CPU_MIPSR2 || CPU_MIPSR6)
20705e83d430SRalf Baechle
20718192c9eaSDavid Daney#
20728192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
20738192c9eaSDavid Daney#
20748192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
20758192c9eaSDavid Daney	bool
2076679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
20778192c9eaSDavid Daney
20785e83d430SRalf Baechlemenu "Kernel type"
20795e83d430SRalf Baechle
20805e83d430SRalf Baechlechoice
20815e83d430SRalf Baechle	prompt "Kernel code model"
20825e83d430SRalf Baechle	help
20835e83d430SRalf Baechle	  You should only select this option if you have a workload that
20845e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
20855e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
20865e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
20875e83d430SRalf Baechle
20885e83d430SRalf Baechleconfig 32BIT
20895e83d430SRalf Baechle	bool "32-bit kernel"
20905e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
20915e83d430SRalf Baechle	select TRAD_SIGNALS
20925e83d430SRalf Baechle	help
20935e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2094f17c4ca3SRalf Baechle
20955e83d430SRalf Baechleconfig 64BIT
20965e83d430SRalf Baechle	bool "64-bit kernel"
20975e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
20985e83d430SRalf Baechle	help
20995e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21005e83d430SRalf Baechle
21015e83d430SRalf Baechleendchoice
21025e83d430SRalf Baechle
21031e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21041e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21051e321fa9SLeonid Yegoshin	depends on 64BIT
21061e321fa9SLeonid Yegoshin	help
21073377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21083377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21093377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21103377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21113377e227SAlex Belits	  level of page tables is added which imposes both a memory
21123377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21133377e227SAlex Belits
21141e321fa9SLeonid Yegoshin	  If unsure, say N.
21151e321fa9SLeonid Yegoshin
211679876cc1SYunQiang Suconfig ZBOOT_LOAD_ADDRESS
211779876cc1SYunQiang Su	hex "Compressed kernel load address"
211879876cc1SYunQiang Su	default 0xffffffff80400000 if BCM47XX
211979876cc1SYunQiang Su	default 0x0
212079876cc1SYunQiang Su	depends on SYS_SUPPORTS_ZBOOT
212179876cc1SYunQiang Su	help
212279876cc1SYunQiang Su	  The address to load compressed kernel, aka vmlinuz.
212379876cc1SYunQiang Su
212479876cc1SYunQiang Su	  This is only used if non-zero.
212579876cc1SYunQiang Su
21261da177e4SLinus Torvaldschoice
21271da177e4SLinus Torvalds	prompt "Kernel page size"
21281da177e4SLinus Torvalds	default PAGE_SIZE_4KB
21291da177e4SLinus Torvalds
21301da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
21311da177e4SLinus Torvalds	bool "4kB"
2132268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
21331da177e4SLinus Torvalds	help
21341da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
21351da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
21361da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
21371da177e4SLinus Torvalds	  recommended for low memory systems.
21381da177e4SLinus Torvalds
21391da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
21401da177e4SLinus Torvalds	bool "8kB"
2141c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
21421e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
21431da177e4SLinus Torvalds	help
21441da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
21451da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2146c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2147c2aeaaeaSPaul Burton	  distribution to support this.
21481da177e4SLinus Torvalds
21491da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
21501da177e4SLinus Torvalds	bool "16kB"
2151714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
21521da177e4SLinus Torvalds	help
21531da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
21541da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2155714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2156714bfad6SRalf Baechle	  Linux distribution to support this.
21571da177e4SLinus Torvalds
2158c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2159c52399beSRalf Baechle	bool "32kB"
2160c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
21611e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2162c52399beSRalf Baechle	help
2163c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2164c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2165c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2166c52399beSRalf Baechle	  distribution to support this.
2167c52399beSRalf Baechle
21681da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
21691da177e4SLinus Torvalds	bool "64kB"
21703b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
21711da177e4SLinus Torvalds	help
21721da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
21731da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
21741da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2175714bfad6SRalf Baechle	  writing this option is still high experimental.
21761da177e4SLinus Torvalds
21771da177e4SLinus Torvaldsendchoice
21781da177e4SLinus Torvalds
2179c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2180c9bace7cSDavid Daney	int "Maximum zone order"
2181e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2182e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2183e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2184e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2185e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2186e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2187ef923a76SPaul Cercueil	range 0 64
2188c9bace7cSDavid Daney	default "11"
2189c9bace7cSDavid Daney	help
2190c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2191c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2192c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2193c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2194c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2195c9bace7cSDavid Daney	  increase this value.
2196c9bace7cSDavid Daney
2197c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2198c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2199c9bace7cSDavid Daney
2200c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2201c9bace7cSDavid Daney	  when choosing a value for this option.
2202c9bace7cSDavid Daney
22031da177e4SLinus Torvaldsconfig BOARD_SCACHE
22041da177e4SLinus Torvalds	bool
22051da177e4SLinus Torvalds
22061da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22071da177e4SLinus Torvalds	bool
22081da177e4SLinus Torvalds	select BOARD_SCACHE
22091da177e4SLinus Torvalds
22109318c51aSChris Dearman#
22119318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22129318c51aSChris Dearman#
22139318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22149318c51aSChris Dearman	bool
22159318c51aSChris Dearman	select BOARD_SCACHE
22169318c51aSChris Dearman
22171da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22181da177e4SLinus Torvalds	bool
22191da177e4SLinus Torvalds	select BOARD_SCACHE
22201da177e4SLinus Torvalds
22211da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22221da177e4SLinus Torvalds	bool
22231da177e4SLinus Torvalds	select BOARD_SCACHE
22241da177e4SLinus Torvalds
22251da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
22261da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
22271da177e4SLinus Torvalds	depends on CPU_SB1
22281da177e4SLinus Torvalds	help
22291da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
22301da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
22311da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
22321da177e4SLinus Torvalds
22331da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2234c8094b53SRalf Baechle	bool
22351da177e4SLinus Torvalds
22363165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
22373165c846SFlorian Fainelli	bool
2238c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
22393165c846SFlorian Fainelli
2240c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2241183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2242183b40f9SPaul Burton	default y
2243183b40f9SPaul Burton	help
2244183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2245183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2246183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2247183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2248183b40f9SPaul Burton	  receive a SIGILL.
2249183b40f9SPaul Burton
2250183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2251183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2252183b40f9SPaul Burton
2253183b40f9SPaul Burton	  If unsure, say y.
2254c92e47e5SPaul Burton
225597f7dcbfSPaul Burtonconfig CPU_R2300_FPU
225697f7dcbfSPaul Burton	bool
2257c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
225897f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
225997f7dcbfSPaul Burton
226054746829SPaul Burtonconfig CPU_R3K_TLB
226154746829SPaul Burton	bool
226254746829SPaul Burton
226391405eb6SFlorian Fainelliconfig CPU_R4K_FPU
226491405eb6SFlorian Fainelli	bool
2265c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
226697f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
226791405eb6SFlorian Fainelli
226862cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
226962cedc4fSFlorian Fainelli	bool
227054746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
227162cedc4fSFlorian Fainelli
227259d6ab86SRalf Baechleconfig MIPS_MT_SMP
2273a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
22745cbf9688SPaul Burton	default y
2275527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
227659d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2277d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2278c080faa5SSteven J. Hill	select SYNC_R4K
227959d6ab86SRalf Baechle	select MIPS_MT
228059d6ab86SRalf Baechle	select SMP
228187353d8aSRalf Baechle	select SMP_UP
2282c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2283c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2284399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
228559d6ab86SRalf Baechle	help
2286c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2287c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2288c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2289c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2290c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
229159d6ab86SRalf Baechle
2292f41ae0b2SRalf Baechleconfig MIPS_MT
2293f41ae0b2SRalf Baechle	bool
2294f41ae0b2SRalf Baechle
22950ab7aefcSRalf Baechleconfig SCHED_SMT
22960ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
22970ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
22980ab7aefcSRalf Baechle	default n
22990ab7aefcSRalf Baechle	help
23000ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
23010ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
23020ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
23030ab7aefcSRalf Baechle
23040ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
23050ab7aefcSRalf Baechle	bool
23060ab7aefcSRalf Baechle
2307f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2308f41ae0b2SRalf Baechle	bool
2309f41ae0b2SRalf Baechle
2310f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2311f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2312f088fc84SRalf Baechle	default y
2313b633648cSRalf Baechle	depends on MIPS_MT_SMP
231407cc0c9eSRalf Baechle
2315b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2316b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23179eaa9a82SPaul Burton	depends on CPU_MIPSR6
2318c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2319b0a668fbSLeonid Yegoshin	default y
2320b0a668fbSLeonid Yegoshin	help
2321b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2322b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
232307edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2324b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2325b0a668fbSLeonid Yegoshin	  final kernel image.
2326b0a668fbSLeonid Yegoshin
2327f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2328f35764e7SJames Hogan	bool
2329f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2330f35764e7SJames Hogan	help
2331f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2332f35764e7SJames Hogan	  physical_memsize.
2333f35764e7SJames Hogan
233407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
233507cc0c9eSRalf Baechle	bool "VPE loader support."
2336f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
233707cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
233807cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
233907cc0c9eSRalf Baechle	select MIPS_MT
234007cc0c9eSRalf Baechle	help
234107cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
234207cc0c9eSRalf Baechle	  onto another VPE and running it.
2343f088fc84SRalf Baechle
234417a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
234517a1d523SDeng-Cheng Zhu	bool
234617a1d523SDeng-Cheng Zhu	default "y"
234717a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
234817a1d523SDeng-Cheng Zhu
23491a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
23501a2a6d7eSDeng-Cheng Zhu	bool
23511a2a6d7eSDeng-Cheng Zhu	default "y"
23521a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
23531a2a6d7eSDeng-Cheng Zhu
2354e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2355e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2356e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2357e01402b1SRalf Baechle	default y
2358e01402b1SRalf Baechle	help
2359e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2360e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2361e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2362e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2363e01402b1SRalf Baechle
2364e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2365e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2366e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2367e01402b1SRalf Baechle
2368da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2369da615cf6SDeng-Cheng Zhu	bool
2370da615cf6SDeng-Cheng Zhu	default "y"
2371da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2372da615cf6SDeng-Cheng Zhu
23732c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
23742c973ef0SDeng-Cheng Zhu	bool
23752c973ef0SDeng-Cheng Zhu	default "y"
23762c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
23772c973ef0SDeng-Cheng Zhu
23784a16ff4cSRalf Baechleconfig MIPS_CMP
23795cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
23805676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2381b10b43baSMarkos Chandras	select SMP
2382eb9b5141STim Anderson	select SYNC_R4K
2383b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
23844a16ff4cSRalf Baechle	select WEAK_ORDERING
23854a16ff4cSRalf Baechle	default n
23864a16ff4cSRalf Baechle	help
2387044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2388044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2389044505c7SPaul Burton	  its ability to start secondary CPUs.
23904a16ff4cSRalf Baechle
23915cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
23925cac93b3SPaul Burton	  instead of this.
23935cac93b3SPaul Burton
23940ee958e1SPaul Burtonconfig MIPS_CPS
23950ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
23965a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
23970ee958e1SPaul Burton	select MIPS_CM
23981d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
23990ee958e1SPaul Burton	select SMP
24000ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
24011d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2402c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
24030ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
24040ee958e1SPaul Burton	select WEAK_ORDERING
2405d8d3276bSWei Li	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
24060ee958e1SPaul Burton	help
24070ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24080ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24090ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24100ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24110ee958e1SPaul Burton	  support is unavailable.
24120ee958e1SPaul Burton
24133179d37eSPaul Burtonconfig MIPS_CPS_PM
241439a59593SMarkos Chandras	depends on MIPS_CPS
24153179d37eSPaul Burton	bool
24163179d37eSPaul Burton
24179f98f3ddSPaul Burtonconfig MIPS_CM
24189f98f3ddSPaul Burton	bool
24193c9b4166SPaul Burton	select MIPS_CPC
24209f98f3ddSPaul Burton
24219c38cf44SPaul Burtonconfig MIPS_CPC
24229c38cf44SPaul Burton	bool
24232600990eSRalf Baechle
24241da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24251da177e4SLinus Torvalds	bool
24261da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
24271da177e4SLinus Torvalds	default y
24281da177e4SLinus Torvalds
24291da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
24301da177e4SLinus Torvalds	bool
24311da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
24321da177e4SLinus Torvalds	default y
24331da177e4SLinus Torvalds
24349e2b5372SMarkos Chandraschoice
24359e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
24369e2b5372SMarkos Chandras
24379e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
24389e2b5372SMarkos Chandras	bool "None"
24399e2b5372SMarkos Chandras	help
24409e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
24419e2b5372SMarkos Chandras
24429693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
24439693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
24449e2b5372SMarkos Chandras	bool "SmartMIPS"
24459693a853SFranck Bui-Huu	help
24469693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
24479693a853SFranck Bui-Huu	  increased security at both hardware and software level for
24489693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
24499693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
24509693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
24519693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
24529693a853SFranck Bui-Huu	  here.
24539693a853SFranck Bui-Huu
2454bce86083SSteven J. Hillconfig CPU_MICROMIPS
24557fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
24569e2b5372SMarkos Chandras	bool "microMIPS"
2457bce86083SSteven J. Hill	help
2458bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2459bce86083SSteven J. Hill	  microMIPS ISA
2460bce86083SSteven J. Hill
24619e2b5372SMarkos Chandrasendchoice
24629e2b5372SMarkos Chandras
2463a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
24640ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2465a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2466c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
24672a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2468a5e9a69eSPaul Burton	help
2469a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2470a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
24711db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
24721db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
24731db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
24741db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
24751db1af84SPaul Burton	  the size & complexity of your kernel.
2476a5e9a69eSPaul Burton
2477a5e9a69eSPaul Burton	  If unsure, say Y.
2478a5e9a69eSPaul Burton
24791da177e4SLinus Torvaldsconfig CPU_HAS_WB
2480f7062ddbSRalf Baechle	bool
2481e01402b1SRalf Baechle
2482df0ac8a4SKevin Cernekeeconfig XKS01
2483df0ac8a4SKevin Cernekee	bool
2484df0ac8a4SKevin Cernekee
2485ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2486ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2487ba9196d2SJiaxun Yang	bool
2488ba9196d2SJiaxun Yang
2489ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2490ba9196d2SJiaxun Yang	bool
2491ba9196d2SJiaxun Yang
24928256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
24938256b17eSFlorian Fainelli	bool
24948256b17eSFlorian Fainelli
249518d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2496932afdeeSYasha Cherikovsky	bool
2497932afdeeSYasha Cherikovsky	help
249818d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2499932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
250018d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
250118d84e2eSAlexander Lobakin	  systems).
2502932afdeeSYasha Cherikovsky
2503f41ae0b2SRalf Baechle#
2504f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2505f41ae0b2SRalf Baechle#
2506e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2507f41ae0b2SRalf Baechle	bool
2508e01402b1SRalf Baechle
2509f41ae0b2SRalf Baechle#
2510f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2511f41ae0b2SRalf Baechle#
2512e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2513f41ae0b2SRalf Baechle	bool
2514e01402b1SRalf Baechle
25151da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25161da177e4SLinus Torvalds	bool
25171da177e4SLinus Torvalds	depends on !CPU_R3000
25181da177e4SLinus Torvalds	default y
25191da177e4SLinus Torvalds
25201da177e4SLinus Torvalds#
252120d60d99SMaciej W. Rozycki# CPU non-features
252220d60d99SMaciej W. Rozycki#
252320d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
252420d60d99SMaciej W. Rozycki	bool
252520d60d99SMaciej W. Rozycki
252620d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
252720d60d99SMaciej W. Rozycki	bool
252820d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
252920d60d99SMaciej W. Rozycki
253020d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
253120d60d99SMaciej W. Rozycki	bool
253220d60d99SMaciej W. Rozycki
2533071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2534071d2f0bSPaul Burton	bool
2535071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2536071d2f0bSPaul Burton
25374edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
25384edf00a4SPaul Burton	int
25394edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25404edf00a4SPaul Burton	default 0
25414edf00a4SPaul Burton
25424edf00a4SPaul Burtonconfig MIPS_ASID_BITS
25434edf00a4SPaul Burton	int
25442db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
25454edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25464edf00a4SPaul Burton	default 8
25474edf00a4SPaul Burton
25482db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
25492db003a5SPaul Burton	bool
25502db003a5SPaul Burton
25514a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
25524a5dc51eSMarcin Nowakowski	bool
25534a5dc51eSMarcin Nowakowski
2554802b8362SThomas Bogendoerfer# R4600 erratum.  Due to the lack of errata information the exact
2555802b8362SThomas Bogendoerfer# technical details aren't known.  I've experimentally found that disabling
2556802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal
2557802b8362SThomas Bogendoerfer# with the issue.
2558802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP
2559802b8362SThomas Bogendoerfer	bool
2560802b8362SThomas Bogendoerfer
25615e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
25625e5b6527SThomas Bogendoerfer#
25635e5b6527SThomas Bogendoerfer#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
25645e5b6527SThomas Bogendoerfer#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
25655e5b6527SThomas Bogendoerfer#      executed if there is no other dcache activity. If the dcache is
256618ff14c8SColin Ian King#      accessed for another instruction immediately preceding when these
25675e5b6527SThomas Bogendoerfer#      cache instructions are executing, it is possible that the dcache
25685e5b6527SThomas Bogendoerfer#      tag match outputs used by these cache instructions will be
25695e5b6527SThomas Bogendoerfer#      incorrect. These cache instructions should be preceded by at least
25705e5b6527SThomas Bogendoerfer#      four instructions that are not any kind of load or store
25715e5b6527SThomas Bogendoerfer#      instruction.
25725e5b6527SThomas Bogendoerfer#
25735e5b6527SThomas Bogendoerfer#      This is not allowed:    lw
25745e5b6527SThomas Bogendoerfer#                              nop
25755e5b6527SThomas Bogendoerfer#                              nop
25765e5b6527SThomas Bogendoerfer#                              nop
25775e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
25785e5b6527SThomas Bogendoerfer#
25795e5b6527SThomas Bogendoerfer#      This is allowed:        lw
25805e5b6527SThomas Bogendoerfer#                              nop
25815e5b6527SThomas Bogendoerfer#                              nop
25825e5b6527SThomas Bogendoerfer#                              nop
25835e5b6527SThomas Bogendoerfer#                              nop
25845e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
25855e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP
25865e5b6527SThomas Bogendoerfer	bool
25875e5b6527SThomas Bogendoerfer
258844def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA.
258944def342SThomas Bogendoerfer#
259044def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
259144def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
259244def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty.  These
259344def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss
259444def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer."
259544def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/
259644def342SThomas Bogendoerfer# in .pdf format.)
259744def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP
259844def342SThomas Bogendoerfer	bool
259944def342SThomas Bogendoerfer
260024a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
260124a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following
260224a1c023SThomas Bogendoerfer# operation is not guaranteed."
260324a1c023SThomas Bogendoerfer#
260424a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I
260524a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV
260624a1c023SThomas Bogendoerfer	bool
260724a1c023SThomas Bogendoerfer
2608886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2609886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same
2610886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious
2611886ee136SThomas Bogendoerfer# exceptions.
2612886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS
2613886ee136SThomas Bogendoerfer	bool
2614886ee136SThomas Bogendoerfer
2615256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2616256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically.
2617256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC
2618256ec489SThomas Bogendoerfer	bool
2619256ec489SThomas Bogendoerfer
2620a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction"
2621a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB
2622a7fbed98SThomas Bogendoerfer	bool
2623a7fbed98SThomas Bogendoerfer
262420d60d99SMaciej W. Rozycki#
26251da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
26261da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
26271da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
26281da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
26291da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
26301da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
26311da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
26321da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2633797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2634797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2635797798c1SRalf Baechle#   support.
26361da177e4SLinus Torvalds#
26371da177e4SLinus Torvaldsconfig HIGHMEM
26381da177e4SLinus Torvalds	bool "High Memory Support"
2639a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2640a4c33e83SThomas Gleixner	select KMAP_LOCAL
2641797798c1SRalf Baechle
2642797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2643797798c1SRalf Baechle	bool
2644797798c1SRalf Baechle
2645797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2646797798c1SRalf Baechle	bool
26471da177e4SLinus Torvalds
26489693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26499693a853SFranck Bui-Huu	bool
26509693a853SFranck Bui-Huu
2651a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2652a6a4834cSSteven J. Hill	bool
2653a6a4834cSSteven J. Hill
2654377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2655377cb1b6SRalf Baechle	bool
2656377cb1b6SRalf Baechle	help
2657377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2658377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2659377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2660377cb1b6SRalf Baechle
2661a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2662a5e9a69eSPaul Burton	bool
2663a5e9a69eSPaul Burton
2664b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2665b4819b59SYoichi Yuasa	def_bool y
2666268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2667b4819b59SYoichi Yuasa
2668b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2669b1c6cd42SAtsushi Nemoto	bool
2670397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
267131473747SAtsushi Nemoto
2672d8cb4e11SRalf Baechleconfig NUMA
2673d8cb4e11SRalf Baechle	bool "NUMA Support"
2674d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2675cf8194e4STiezhu Yang	select SMP
26767ecd19cfSKefeng Wang	select HAVE_SETUP_PER_CPU_AREA
26777ecd19cfSKefeng Wang	select NEED_PER_CPU_EMBED_FIRST_CHUNK
2678d8cb4e11SRalf Baechle	help
2679d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2680d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2681d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2682172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2683d8cb4e11SRalf Baechle	  disabled.
2684d8cb4e11SRalf Baechle
2685d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2686d8cb4e11SRalf Baechle	bool
2687d8cb4e11SRalf Baechle
26888c530ea3SMatt Redfearnconfig RELOCATABLE
26898c530ea3SMatt Redfearn	bool "Relocatable kernel"
2690ab7c01fdSSerge Semin	depends on SYS_SUPPORTS_RELOCATABLE
2691ab7c01fdSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2692ab7c01fdSSerge Semin		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2693ab7c01fdSSerge Semin		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2694a307a4ceSJinyang He		   CPU_P5600 || CAVIUM_OCTEON_SOC || \
2695a307a4ceSJinyang He		   CPU_LOONGSON64
26968c530ea3SMatt Redfearn	help
26978c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
26988c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
26998c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
27008c530ea3SMatt Redfearn	  but are discarded at runtime
27018c530ea3SMatt Redfearn
2702069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2703069fd766SMatt Redfearn	hex "Relocation table size"
2704069fd766SMatt Redfearn	depends on RELOCATABLE
2705069fd766SMatt Redfearn	range 0x0 0x01000000
2706a307a4ceSJinyang He	default "0x00200000" if CPU_LOONGSON64
2707069fd766SMatt Redfearn	default "0x00100000"
2708a7f7f624SMasahiro Yamada	help
2709069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2710069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2711069fd766SMatt Redfearn
2712069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2713069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2714069fd766SMatt Redfearn
2715069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2716069fd766SMatt Redfearn
2717069fd766SMatt Redfearn	  If unsure, leave at the default value.
2718069fd766SMatt Redfearn
2719405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2720405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2721405bc8fdSMatt Redfearn	depends on RELOCATABLE
2722a7f7f624SMasahiro Yamada	help
2723405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2724405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2725405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2726405bc8fdSMatt Redfearn	  of kernel internals.
2727405bc8fdSMatt Redfearn
2728405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2729405bc8fdSMatt Redfearn
2730405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2731405bc8fdSMatt Redfearn
2732405bc8fdSMatt Redfearn	  If unsure, say N.
2733405bc8fdSMatt Redfearn
2734405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2735405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2736405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2737405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2738405bc8fdSMatt Redfearn	range 0x0 0x08000000
2739405bc8fdSMatt Redfearn	default "0x01000000"
2740a7f7f624SMasahiro Yamada	help
2741405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2742405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2743405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2744405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2745405bc8fdSMatt Redfearn
2746405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2747405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2748405bc8fdSMatt Redfearn
2749c80d79d7SYasunori Gotoconfig NODES_SHIFT
2750c80d79d7SYasunori Goto	int
2751c80d79d7SYasunori Goto	default "6"
2752a9ee6cf5SMike Rapoport	depends on NUMA
2753c80d79d7SYasunori Goto
275414f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
275514f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
275695b8a5e0SThomas Bogendoerfer	depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
275714f70012SDeng-Cheng Zhu	default y
275814f70012SDeng-Cheng Zhu	help
275914f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
276014f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
276114f70012SDeng-Cheng Zhu
2762be8fa1cbSTiezhu Yangconfig DMI
2763be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2764be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2765be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2766be8fa1cbSTiezhu Yang	default y
2767be8fa1cbSTiezhu Yang	help
2768be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2769be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2770be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2771be8fa1cbSTiezhu Yang	  BIOS code.
2772be8fa1cbSTiezhu Yang
27731da177e4SLinus Torvaldsconfig SMP
27741da177e4SLinus Torvalds	bool "Multi-Processing support"
2775e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2776e73ea273SRalf Baechle	help
27771da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27784a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27794a474157SRobert Graffham	  than one CPU, say Y.
27801da177e4SLinus Torvalds
27814a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27821da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27831da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27844a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27851da177e4SLinus Torvalds	  will run faster if you say N here.
27861da177e4SLinus Torvalds
27871da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27881da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27891da177e4SLinus Torvalds
279003502faaSAdrian Bunk	  See also the SMP-HOWTO available at
2791ef054ad3SAlexander A. Klimov	  <https://www.tldp.org/docs.html#howto>.
27921da177e4SLinus Torvalds
27931da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27941da177e4SLinus Torvalds
27957840d618SMatt Redfearnconfig HOTPLUG_CPU
27967840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27977840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27987840d618SMatt Redfearn	help
27997840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
28007840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
28017840d618SMatt Redfearn	  (Note: power management support will enable this option
28027840d618SMatt Redfearn	    automatically on SMP systems. )
28037840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
28047840d618SMatt Redfearn
280587353d8aSRalf Baechleconfig SMP_UP
280687353d8aSRalf Baechle	bool
280787353d8aSRalf Baechle
28084a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
28094a16ff4cSRalf Baechle	bool
28104a16ff4cSRalf Baechle
28110ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
28120ee958e1SPaul Burton	bool
28130ee958e1SPaul Burton
2814e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2815e73ea273SRalf Baechle	bool
2816e73ea273SRalf Baechle
2817130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2818130e2fb7SRalf Baechle	bool
2819130e2fb7SRalf Baechle
2820130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2821130e2fb7SRalf Baechle	bool
2822130e2fb7SRalf Baechle
2823130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2824130e2fb7SRalf Baechle	bool
2825130e2fb7SRalf Baechle
2826130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2827130e2fb7SRalf Baechle	bool
2828130e2fb7SRalf Baechle
2829130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2830130e2fb7SRalf Baechle	bool
2831130e2fb7SRalf Baechle
28321da177e4SLinus Torvaldsconfig NR_CPUS
2833a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2834a91796a9SJayachandran C	range 2 256
28351da177e4SLinus Torvalds	depends on SMP
2836130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2837130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2838130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2839130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2840130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
28411da177e4SLinus Torvalds	help
28421da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
28431da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
28441da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
284572ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
284672ede9b1SAtsushi Nemoto	  and 2 for all others.
28471da177e4SLinus Torvalds
28481da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
284972ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
285072ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
285172ede9b1SAtsushi Nemoto	  power of two.
28521da177e4SLinus Torvalds
2853399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2854399aaa25SAl Cooper	bool
2855399aaa25SAl Cooper
28567820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28577820b84bSDavid Daney	bool
28587820b84bSDavid Daney
28597820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28607820b84bSDavid Daney	int
28617820b84bSDavid Daney	depends on SMP
28627820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28637820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28647820b84bSDavid Daney
28651723b4a3SAtsushi Nemoto#
28661723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28671723b4a3SAtsushi Nemoto#
28681723b4a3SAtsushi Nemoto
28691723b4a3SAtsushi Nemotochoice
28701723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28711723b4a3SAtsushi Nemoto	default HZ_250
28721723b4a3SAtsushi Nemoto	help
28731723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
28741723b4a3SAtsushi Nemoto
287567596573SPaul Burton	config HZ_24
287667596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
287767596573SPaul Burton
28781723b4a3SAtsushi Nemoto	config HZ_48
28790f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28801723b4a3SAtsushi Nemoto
28811723b4a3SAtsushi Nemoto	config HZ_100
28821723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28831723b4a3SAtsushi Nemoto
28841723b4a3SAtsushi Nemoto	config HZ_128
28851723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28861723b4a3SAtsushi Nemoto
28871723b4a3SAtsushi Nemoto	config HZ_250
28881723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28891723b4a3SAtsushi Nemoto
28901723b4a3SAtsushi Nemoto	config HZ_256
28911723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28921723b4a3SAtsushi Nemoto
28931723b4a3SAtsushi Nemoto	config HZ_1000
28941723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28951723b4a3SAtsushi Nemoto
28961723b4a3SAtsushi Nemoto	config HZ_1024
28971723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28981723b4a3SAtsushi Nemoto
28991723b4a3SAtsushi Nemotoendchoice
29001723b4a3SAtsushi Nemoto
290167596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
290267596573SPaul Burton	bool
290367596573SPaul Burton
29041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
29051723b4a3SAtsushi Nemoto	bool
29061723b4a3SAtsushi Nemoto
29071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
29081723b4a3SAtsushi Nemoto	bool
29091723b4a3SAtsushi Nemoto
29101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
29111723b4a3SAtsushi Nemoto	bool
29121723b4a3SAtsushi Nemoto
29131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
29141723b4a3SAtsushi Nemoto	bool
29151723b4a3SAtsushi Nemoto
29161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
29171723b4a3SAtsushi Nemoto	bool
29181723b4a3SAtsushi Nemoto
29191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
29201723b4a3SAtsushi Nemoto	bool
29211723b4a3SAtsushi Nemoto
29221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
29231723b4a3SAtsushi Nemoto	bool
29241723b4a3SAtsushi Nemoto
29251723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
29261723b4a3SAtsushi Nemoto	bool
292767596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
292867596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
292967596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
293067596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
293167596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
293267596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
293367596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
29341723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
29351723b4a3SAtsushi Nemoto
29361723b4a3SAtsushi Nemotoconfig HZ
29371723b4a3SAtsushi Nemoto	int
293867596573SPaul Burton	default 24 if HZ_24
29391723b4a3SAtsushi Nemoto	default 48 if HZ_48
29401723b4a3SAtsushi Nemoto	default 100 if HZ_100
29411723b4a3SAtsushi Nemoto	default 128 if HZ_128
29421723b4a3SAtsushi Nemoto	default 250 if HZ_250
29431723b4a3SAtsushi Nemoto	default 256 if HZ_256
29441723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
29451723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
29461723b4a3SAtsushi Nemoto
294796685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
294896685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
294996685b17SDeng-Cheng Zhu
2950ea6e942bSAtsushi Nemotoconfig KEXEC
29517d60717eSKees Cook	bool "Kexec system call"
29522965faa5SDave Young	select KEXEC_CORE
2953ea6e942bSAtsushi Nemoto	help
2954ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2955ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29563dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2957ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2958ea6e942bSAtsushi Nemoto
295901dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2960ea6e942bSAtsushi Nemoto
2961ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2962ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2963bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2964bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2965bf220695SGeert Uytterhoeven	  made.
2966ea6e942bSAtsushi Nemoto
29677aa1c8f4SRalf Baechleconfig CRASH_DUMP
29687aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29697aa1c8f4SRalf Baechle	help
29707aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29717aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29727aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29737aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29747aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29757aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29767aa1c8f4SRalf Baechle	  PHYSICAL_START.
29777aa1c8f4SRalf Baechle
29787aa1c8f4SRalf Baechleconfig PHYSICAL_START
29797aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29808bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29817aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29827aa1c8f4SRalf Baechle	help
29837aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29847aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29857aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29867aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29877aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29887aa1c8f4SRalf Baechle
2989597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
2990b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2991597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2992597ce172SPaul Burton	help
2993597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2994597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2995597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2996597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2997597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2998597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2999597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
3000597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
3001597ce172SPaul Burton	  saying N here.
3002597ce172SPaul Burton
300306e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
300406e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
300518ff14c8SColin Ian King	  worked on. In order to avoid userland becoming dependent upon current
300606e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
300706e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
300806e2e882SPaul Burton	  said details.
300906e2e882SPaul Burton
301006e2e882SPaul Burton	  If unsure, say N.
3011597ce172SPaul Burton
3012f2ffa5abSDezhong Diaoconfig USE_OF
30130b3e06fdSJonas Gorski	bool
3014f2ffa5abSDezhong Diao	select OF
3015e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3016abd2363fSGrant Likely	select IRQ_DOMAIN
3017f2ffa5abSDezhong Diao
30182fe8ea39SDengcheng Zhuconfig UHI_BOOT
30192fe8ea39SDengcheng Zhu	bool
30202fe8ea39SDengcheng Zhu
30217fafb068SAndrew Brestickerconfig BUILTIN_DTB
30227fafb068SAndrew Bresticker	bool
30237fafb068SAndrew Bresticker
30241da8f179SJonas Gorskichoice
30255b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
30261da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
30271da8f179SJonas Gorski
30281da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
30291da8f179SJonas Gorski		bool "None"
30301da8f179SJonas Gorski		help
30311da8f179SJonas Gorski		  Do not enable appended dtb support.
30321da8f179SJonas Gorski
303387db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
303487db537dSAaro Koskinen		bool "vmlinux"
303587db537dSAaro Koskinen		help
303687db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
303787db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
303887db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
303987db537dSAaro Koskinen		  objcopy:
304087db537dSAaro Koskinen
304187db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
304287db537dSAaro Koskinen
304318ff14c8SColin Ian King		  This is meant as a backward compatibility convenience for those
304487db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
304587db537dSAaro Koskinen		  the documented boot protocol using a device tree.
304687db537dSAaro Koskinen
30471da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3048b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30491da8f179SJonas Gorski		help
30501da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3051b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30521da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30531da8f179SJonas Gorski
30541da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30551da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30561da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30571da8f179SJonas Gorski
30581da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30591da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30601da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30611da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30621da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30631da8f179SJonas Gorskiendchoice
30641da8f179SJonas Gorski
30652024972eSJonas Gorskichoice
30662024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30672bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
306887fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
30692bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30702024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30712024972eSJonas Gorski
30722024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30732024972eSJonas Gorski		depends on USE_OF
30742024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30752024972eSJonas Gorski
30762024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30772024972eSJonas Gorski		depends on USE_OF
30782024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30792024972eSJonas Gorski
30802024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30812024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3082ed47e153SRabin Vincent
3083ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3084ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3085ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
30862024972eSJonas Gorskiendchoice
30872024972eSJonas Gorski
30885e83d430SRalf Baechleendmenu
30895e83d430SRalf Baechle
30901df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
30911df0f0ffSAtsushi Nemoto	bool
30921df0f0ffSAtsushi Nemoto	default y
30931df0f0ffSAtsushi Nemoto
30941df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
30951df0f0ffSAtsushi Nemoto	bool
30961df0f0ffSAtsushi Nemoto	default y
30971df0f0ffSAtsushi Nemoto
3098a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3099a728ab52SKirill A. Shutemov	int
31003377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
310141ce097fSHuang Pei	default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3102a728ab52SKirill A. Shutemov	default 2
3103a728ab52SKirill A. Shutemov
31046c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
31056c359eb1SPaul Burton	bool
31066c359eb1SPaul Burton
31071da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
31081da177e4SLinus Torvalds
3109c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
31102eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3111c5611df9SPaul Burton	bool
3112c5611df9SPaul Burton
3113c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3114c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3115c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
31162eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
31171da177e4SLinus Torvalds
31181da177e4SLinus Torvalds#
31191da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
31201da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
31211da177e4SLinus Torvalds# users to choose the right thing ...
31221da177e4SLinus Torvalds#
31231da177e4SLinus Torvaldsconfig ISA
31241da177e4SLinus Torvalds	bool
31251da177e4SLinus Torvalds
31261da177e4SLinus Torvaldsconfig TC
31271da177e4SLinus Torvalds	bool "TURBOchannel support"
31281da177e4SLinus Torvalds	depends on MACH_DECSTATION
31291da177e4SLinus Torvalds	help
313050a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
313150a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
313250a23e6eSJustin P. Mattock	  at:
313350a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
313450a23e6eSJustin P. Mattock	  and:
313550a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
313650a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
313750a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31381da177e4SLinus Torvalds
31391da177e4SLinus Torvaldsconfig MMU
31401da177e4SLinus Torvalds	bool
31411da177e4SLinus Torvalds	default y
31421da177e4SLinus Torvalds
3143109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3144109c32ffSMatt Redfearn	default 12 if 64BIT
3145109c32ffSMatt Redfearn	default 8
3146109c32ffSMatt Redfearn
3147109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3148109c32ffSMatt Redfearn	default 18 if 64BIT
3149109c32ffSMatt Redfearn	default 15
3150109c32ffSMatt Redfearn
3151109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3152109c32ffSMatt Redfearn	default 8
3153109c32ffSMatt Redfearn
3154109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3155109c32ffSMatt Redfearn	default 15
3156109c32ffSMatt Redfearn
3157d865bea4SRalf Baechleconfig I8253
3158d865bea4SRalf Baechle	bool
3159798778b8SRussell King	select CLKSRC_I8253
31602d02612fSThomas Gleixner	select CLKEVT_I8253
31619726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
31621da177e4SLinus Torvaldsendmenu
31631da177e4SLinus Torvalds
31641da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31651da177e4SLinus Torvalds	bool
31661da177e4SLinus Torvalds
31671da177e4SLinus Torvaldsconfig MIPS32_COMPAT
316878aaf956SRalf Baechle	bool
31691da177e4SLinus Torvalds
31701da177e4SLinus Torvaldsconfig COMPAT
31711da177e4SLinus Torvalds	bool
31721da177e4SLinus Torvalds
317305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
317405e43966SAtsushi Nemoto	bool
317505e43966SAtsushi Nemoto
31761da177e4SLinus Torvaldsconfig MIPS32_O32
31771da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
317878aaf956SRalf Baechle	depends on 64BIT
317978aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
318078aaf956SRalf Baechle	select COMPAT
318178aaf956SRalf Baechle	select MIPS32_COMPAT
318278aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31831da177e4SLinus Torvalds	help
31841da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
31851da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
31861da177e4SLinus Torvalds	  existing binaries are in this format.
31871da177e4SLinus Torvalds
31881da177e4SLinus Torvalds	  If unsure, say Y.
31891da177e4SLinus Torvalds
31901da177e4SLinus Torvaldsconfig MIPS32_N32
31911da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3192c22eacfeSRalf Baechle	depends on 64BIT
31935a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
319478aaf956SRalf Baechle	select COMPAT
319578aaf956SRalf Baechle	select MIPS32_COMPAT
319678aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31971da177e4SLinus Torvalds	help
31981da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
31991da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
32001da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
32011da177e4SLinus Torvalds	  cases.
32021da177e4SLinus Torvalds
32031da177e4SLinus Torvalds	  If unsure, say N.
32041da177e4SLinus Torvalds
3205*d49fc692SNathan Chancellorconfig CC_HAS_MNO_BRANCH_LIKELY
3206*d49fc692SNathan Chancellor	def_bool y
3207*d49fc692SNathan Chancellor	depends on $(cc-option,-mno-branch-likely)
3208*d49fc692SNathan Chancellor
32092116245eSRalf Baechlemenu "Power management options"
3210952fa954SRodolfo Giometti
3211363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3212363c55caSWu Zhangjin	def_bool y
32133f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3214363c55caSWu Zhangjin
3215f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3216f4cb5700SJohannes Berg	def_bool y
32173f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3218f4cb5700SJohannes Berg
32192116245eSRalf Baechlesource "kernel/power/Kconfig"
3220952fa954SRodolfo Giometti
32211da177e4SLinus Torvaldsendmenu
32221da177e4SLinus Torvalds
32237a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32247a998935SViresh Kumar	bool
32257a998935SViresh Kumar
32267a998935SViresh Kumarmenu "CPU Power Management"
3227c095ebafSPaul Burton
3228c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32297a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32307a998935SViresh Kumarendif
32319726b43aSWu Zhangjin
3232c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3233c095ebafSPaul Burton
3234c095ebafSPaul Burtonendmenu
3235c095ebafSPaul Burton
32362235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3237e91946d6SNathan Chancellor
3238e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig"
3239