xref: /linux/arch/mips/Kconfig (revision e0a8b93efa2382d370be44bf289157de7e5dacb4)
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
104*e0a8b93eSNemanja Rakovic	select HAVE_ARCH_KCSAN if 64BIT
1051da177e4SLinus Torvalds
106d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR
107d3991572SChristoph Hellwig	bool
108d3991572SChristoph Hellwig
109c434b9f8SPaul Cercueilconfig MIPS_GENERIC
110c434b9f8SPaul Cercueil	bool
111c434b9f8SPaul Cercueil
112f0f4a753SPaul Cercueilconfig MACH_INGENIC
113f0f4a753SPaul Cercueil	bool
114f0f4a753SPaul Cercueil	select SYS_SUPPORTS_32BIT_KERNEL
115f0f4a753SPaul Cercueil	select SYS_SUPPORTS_LITTLE_ENDIAN
116f0f4a753SPaul Cercueil	select SYS_SUPPORTS_ZBOOT
117f0f4a753SPaul Cercueil	select DMA_NONCOHERENT
1181660710cSPaul Cercueil	select ARCH_HAS_SYNC_DMA_FOR_CPU
119f0f4a753SPaul Cercueil	select IRQ_MIPS_CPU
120f0f4a753SPaul Cercueil	select PINCTRL
121f0f4a753SPaul Cercueil	select GPIOLIB
122f0f4a753SPaul Cercueil	select COMMON_CLK
123f0f4a753SPaul Cercueil	select GENERIC_IRQ_CHIP
124f0f4a753SPaul Cercueil	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
125f0f4a753SPaul Cercueil	select USE_OF
126f0f4a753SPaul Cercueil	select CPU_SUPPORTS_CPUFREQ
127f0f4a753SPaul Cercueil	select MIPS_EXTERNAL_TIMER
128f0f4a753SPaul Cercueil
1291da177e4SLinus Torvaldsmenu "Machine selection"
1301da177e4SLinus Torvalds
1315e83d430SRalf Baechlechoice
1325e83d430SRalf Baechle	prompt "System type"
133c434b9f8SPaul Cercueil	default MIPS_GENERIC_KERNEL
1341da177e4SLinus Torvalds
135c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL
136eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
1374e066441SChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
138c434b9f8SPaul Cercueil	select MIPS_GENERIC
139eed0eabdSPaul Burton	select BOOT_RAW
140eed0eabdSPaul Burton	select BUILTIN_DTB
141eed0eabdSPaul Burton	select CEVT_R4K
142eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
143eed0eabdSPaul Burton	select COMMON_CLK
144eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
14534c01e41SAlexander Lobakin	select CPU_MIPSR2_IRQ_VI
146eed0eabdSPaul Burton	select CSRC_R4K
1474e066441SChristoph Hellwig	select DMA_NONCOHERENT
148eb01d42aSChristoph Hellwig	select HAVE_PCI
149eed0eabdSPaul Burton	select IRQ_MIPS_CPU
1500211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
151eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
152eed0eabdSPaul Burton	select MIPS_GIC
153eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
154eed0eabdSPaul Burton	select NO_EXCEPT_FILL
155eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
156eed0eabdSPaul Burton	select SMP_UP if SMP
157a3078e59SMatt Redfearn	select SWAP_IO_SPACE
158eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
159eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
160eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
161eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
162eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
163eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
164eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
165eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
166eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
167eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
168eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
169eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
170eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
17134c01e41SAlexander Lobakin	select SYS_SUPPORTS_MIPS_CPS
172eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
173eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
174eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
175c3e2ee65SPaul Cercueil	select SYS_SUPPORTS_ZBOOT
17634c01e41SAlexander Lobakin	select UHI_BOOT
1772e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1782e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1792e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1802e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1812e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1822e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
183eed0eabdSPaul Burton	select USE_OF
184eed0eabdSPaul Burton	help
185eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
186eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
187eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
188eed0eabdSPaul Burton	  Interface) specification.
189eed0eabdSPaul Burton
19042a4f17dSManuel Laussconfig MIPS_ALCHEMY
191c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
192d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
193f772cdb2SRalf Baechle	select CEVT_R4K
194d7ea335cSSteven J. Hill	select CSRC_R4K
19567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
196a86497d6SChristoph Hellwig	select DMA_NONCOHERENT		# Au1000,1500,1100 aren't, rest is
197d3991572SChristoph Hellwig	select MIPS_FIXUP_BIGPHYS_ADDR if PCI
19842a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
19942a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
20042a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
201d30a2b47SLinus Walleij	select GPIOLIB
2021b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
20347440229SManuel Lauss	select COMMON_CLK
2041da177e4SLinus Torvalds
2057ca5dc14SFlorian Fainelliconfig AR7
2067ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
2077ca5dc14SFlorian Fainelli	select BOOT_ELF32
208b408b611SArnd Bergmann	select COMMON_CLK
2097ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
2107ca5dc14SFlorian Fainelli	select CEVT_R4K
2117ca5dc14SFlorian Fainelli	select CSRC_R4K
21267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2137ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
2147ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
2157ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
2167ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
2177ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
2187ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
219377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2201b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
221d30a2b47SLinus Walleij	select GPIOLIB
2227ca5dc14SFlorian Fainelli	select VLYNQ
2237ca5dc14SFlorian Fainelli	help
2247ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
2257ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
2267ca5dc14SFlorian Fainelli
22743cc739fSSergey Ryazanovconfig ATH25
22843cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
22943cc739fSSergey Ryazanov	select CEVT_R4K
23043cc739fSSergey Ryazanov	select CSRC_R4K
23143cc739fSSergey Ryazanov	select DMA_NONCOHERENT
23267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2331753e74eSSergey Ryazanov	select IRQ_DOMAIN
23443cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
23543cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
23643cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
2378aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
23843cc739fSSergey Ryazanov	help
23943cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
24043cc739fSSergey Ryazanov
241d4a67d9dSGabor Juhosconfig ATH79
242d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
243ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
244d4a67d9dSGabor Juhos	select BOOT_RAW
245d4a67d9dSGabor Juhos	select CEVT_R4K
246d4a67d9dSGabor Juhos	select CSRC_R4K
247d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
248d30a2b47SLinus Walleij	select GPIOLIB
249a08227a2SJohn Crispin	select PINCTRL
250411520afSAlban Bedel	select COMMON_CLK
25167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
252d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
253d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
254d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
255d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
256377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
257b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
25803c8c407SAlban Bedel	select USE_OF
25953d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
260d4a67d9dSGabor Juhos	help
261d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
262d4a67d9dSGabor Juhos
2635f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2645f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
26529906e1aSÁlvaro Fernández Rojas	select ARCH_HAS_RESET_CONTROLLER
266d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
267d666cd02SKevin Cernekee	select BOOT_RAW
268d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
269d666cd02SKevin Cernekee	select USE_OF
270d666cd02SKevin Cernekee	select CEVT_R4K
271d666cd02SKevin Cernekee	select CSRC_R4K
272d666cd02SKevin Cernekee	select SYNC_R4K
273d666cd02SKevin Cernekee	select COMMON_CLK
274c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
27560b858f2SKevin Cernekee	select BCM7038_L1_IRQ
27660b858f2SKevin Cernekee	select BCM7120_L2_IRQ
27760b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
27867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
27960b858f2SKevin Cernekee	select DMA_NONCOHERENT
280d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
28160b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
282d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
283d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
28460b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
28560b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
28660b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
287d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
288d666cd02SKevin Cernekee	select SWAP_IO_SPACE
28960b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
29060b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
29160b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
29260b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2934dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
2941d987052SFlorian Fainelli	select HAVE_PCI
2951d987052SFlorian Fainelli	select PCI_DRIVERS_GENERIC
296d666cd02SKevin Cernekee	help
2975f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2985f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2995f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
3005f2d4459SKevin Cernekee	  must be set appropriately for your board.
301d666cd02SKevin Cernekee
3021c0c13ebSAurelien Jarnoconfig BCM47XX
303c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
304fe08f8c2SHauke Mehrtens	select BOOT_RAW
30542f77542SRalf Baechle	select CEVT_R4K
306940f6b48SRalf Baechle	select CSRC_R4K
3071c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
308eb01d42aSChristoph Hellwig	select HAVE_PCI
30967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
310314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
311dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
3121c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
3131c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
314377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
3156507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
31625e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
317e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
318c949c0bcSRafał Miłecki	select GPIOLIB
319c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
320f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
3212ab71a02SRafał Miłecki	select BCM47XX_SPROM
322dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
3231c0c13ebSAurelien Jarno	help
3241c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
3251c0c13ebSAurelien Jarno
326e7300d04SMaxime Bizonconfig BCM63XX
327e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
328ae8de61cSFlorian Fainelli	select BOOT_RAW
329e7300d04SMaxime Bizon	select CEVT_R4K
330e7300d04SMaxime Bizon	select CSRC_R4K
331fc264022SJonas Gorski	select SYNC_R4K
332e7300d04SMaxime Bizon	select DMA_NONCOHERENT
33367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
334e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
335e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
336e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
3375eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS32_3300
3385eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS4350
3395eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS4380
340e7300d04SMaxime Bizon	select SWAP_IO_SPACE
341d30a2b47SLinus Walleij	select GPIOLIB
342af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
343bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
344e7300d04SMaxime Bizon	help
345e7300d04SMaxime Bizon	  Support for BCM63XX based boards
346e7300d04SMaxime Bizon
3471da177e4SLinus Torvaldsconfig MIPS_COBALT
3483fa986faSMartin Michlmayr	bool "Cobalt Server"
34942f77542SRalf Baechle	select CEVT_R4K
350940f6b48SRalf Baechle	select CSRC_R4K
3511097c6acSYoichi Yuasa	select CEVT_GT641XX
3521da177e4SLinus Torvalds	select DMA_NONCOHERENT
353eb01d42aSChristoph Hellwig	select FORCE_PCI
354d865bea4SRalf Baechle	select I8253
3551da177e4SLinus Torvalds	select I8259
35667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
357d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
358252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3597cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3600a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
361ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3620e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3635e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
364e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3651da177e4SLinus Torvalds
3661da177e4SLinus Torvaldsconfig MACH_DECSTATION
3673fa986faSMartin Michlmayr	bool "DECstations"
3681da177e4SLinus Torvalds	select BOOT_ELF32
3696457d9fcSYoichi Yuasa	select CEVT_DS1287
37081d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3714247417dSYoichi Yuasa	select CSRC_IOASIC
37281d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
37320d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
37420d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
37520d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3761da177e4SLinus Torvalds	select DMA_NONCOHERENT
377ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
37867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3797cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3807cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
381ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3827d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3835e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3841723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3851723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3861723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
387930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3885e83d430SRalf Baechle	help
3891da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3901da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3911da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3921da177e4SLinus Torvalds
3931da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3941da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3951da177e4SLinus Torvalds
3961da177e4SLinus Torvalds		DECstation 5000/50
3971da177e4SLinus Torvalds		DECstation 5000/150
3981da177e4SLinus Torvalds		DECstation 5000/260
3991da177e4SLinus Torvalds		DECsystem 5900/260
4001da177e4SLinus Torvalds
4011da177e4SLinus Torvalds	  otherwise choose R3000.
4021da177e4SLinus Torvalds
4035e83d430SRalf Baechleconfig MACH_JAZZ
4043fa986faSMartin Michlmayr	bool "Jazz family of machines"
40539b2d756SThomas Bogendoerfer	select ARC_MEMORY
40639b2d756SThomas Bogendoerfer	select ARC_PROMLIB
407a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
4087a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
4092f9237d4SChristoph Hellwig	select DMA_OPS
4100e2794b0SRalf Baechle	select FW_ARC
4110e2794b0SRalf Baechle	select FW_ARC32
4125e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
41342f77542SRalf Baechle	select CEVT_R4K
414940f6b48SRalf Baechle	select CSRC_R4K
415e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
4165e83d430SRalf Baechle	select GENERIC_ISA_DMA
4178a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
41867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
419d865bea4SRalf Baechle	select I8253
4205e83d430SRalf Baechle	select I8259
4215e83d430SRalf Baechle	select ISA
4227cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
4235e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
4247d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
4251723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
426aadfe4b5SArnd Bergmann	select SYS_SUPPORTS_LITTLE_ENDIAN
4271da177e4SLinus Torvalds	help
4285e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
4295e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
430692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
4315e83d430SRalf Baechle	  Olivetti M700-10 workstations.
4325e83d430SRalf Baechle
433f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC
434de361e8bSPaul Burton	bool "Ingenic SoC based machines"
435f0f4a753SPaul Cercueil	select MIPS_GENERIC
436f0f4a753SPaul Cercueil	select MACH_INGENIC
437f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
438eb384937SPaul Cercueil	select CPU_SUPPORTS_CPUFREQ
439eb384937SPaul Cercueil	select MIPS_EXTERNAL_TIMER
4405ebabe59SLars-Peter Clausen
441171bb2f1SJohn Crispinconfig LANTIQ
442171bb2f1SJohn Crispin	bool "Lantiq based platforms"
443171bb2f1SJohn Crispin	select DMA_NONCOHERENT
44467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
445171bb2f1SJohn Crispin	select CEVT_R4K
446171bb2f1SJohn Crispin	select CSRC_R4K
447171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
448171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
449171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
450171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
451377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
452171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
453f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
454171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
455d30a2b47SLinus Walleij	select GPIOLIB
456171bb2f1SJohn Crispin	select SWAP_IO_SPACE
457171bb2f1SJohn Crispin	select BOOT_RAW
458bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
459a0392222SJohn Crispin	select USE_OF
4603f8c50c9SJohn Crispin	select PINCTRL
4613f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
462c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
463c530781cSJohn Crispin	select RESET_CONTROLLER
464171bb2f1SJohn Crispin
46530ad29bbSHuacai Chenconfig MACH_LOONGSON32
466caed1d1bSHuacai Chen	bool "Loongson 32-bit family of machines"
467c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
468ade299d8SYoichi Yuasa	help
46930ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
47085749d24SWu Zhangjin
47130ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
47230ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
47330ad29bbSHuacai Chen	  Sciences (CAS).
474ade299d8SYoichi Yuasa
47571e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
47671e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
477ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
478ca585cf9SKelvin Cheung	help
47971e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
480ca585cf9SKelvin Cheung
48171e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
482caed1d1bSHuacai Chen	bool "Loongson 64-bit family of machines"
4836fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
4846fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
4856fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
4866fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
4876fbde6b4SJiaxun Yang	select BOOT_ELF32
4886fbde6b4SJiaxun Yang	select BOARD_SCACHE
4896fbde6b4SJiaxun Yang	select CSRC_R4K
4906fbde6b4SJiaxun Yang	select CEVT_R4K
4916fbde6b4SJiaxun Yang	select CPU_HAS_WB
4926fbde6b4SJiaxun Yang	select FORCE_PCI
4936fbde6b4SJiaxun Yang	select ISA
4946fbde6b4SJiaxun Yang	select I8259
4956fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
4967d6d2837SJiaxun Yang	select NO_EXCEPT_FILL
4975125bfeeSTiezhu Yang	select NR_CPUS_DEFAULT_64
4986fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
4996423e59aSJiaxun Yang	select PCI_DRIVERS_GENERIC
5006fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
5016fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
5026fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
5036fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
5046fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
5056fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
5066fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
5076fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
50871e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
509a307a4ceSJinyang He	select SYS_SUPPORTS_RELOCATABLE
5106fbde6b4SJiaxun Yang	select ZONE_DMA32
51187fcfa7bSJiaxun Yang	select COMMON_CLK
51287fcfa7bSJiaxun Yang	select USE_OF
51387fcfa7bSJiaxun Yang	select BUILTIN_DTB
51439c1485cSHuacai Chen	select PCI_HOST_GENERIC
51571e2f4ddSJiaxun Yang	help
516caed1d1bSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
517caed1d1bSHuacai Chen
518caed1d1bSHuacai Chen	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
519caed1d1bSHuacai Chen	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
520caed1d1bSHuacai Chen	  and Loongson-2F which will be removed), developed by the Institute
521caed1d1bSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
522ca585cf9SKelvin Cheung
5231da177e4SLinus Torvaldsconfig MIPS_MALTA
5243fa986faSMartin Michlmayr	bool "MIPS Malta board"
52561ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
526a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5277a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5281da177e4SLinus Torvalds	select BOOT_ELF32
529fa71c960SRalf Baechle	select BOOT_RAW
530e8823d26SPaul Burton	select BUILTIN_DTB
53142f77542SRalf Baechle	select CEVT_R4K
532fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
53342b002abSGuenter Roeck	select COMMON_CLK
53447bf2b03SMaksym Kokhan	select CSRC_R4K
535a86497d6SChristoph Hellwig	select DMA_NONCOHERENT
5361da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5378a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
538eb01d42aSChristoph Hellwig	select HAVE_PCI
539d865bea4SRalf Baechle	select I8253
5401da177e4SLinus Torvalds	select I8259
54147bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
5425e83d430SRalf Baechle	select MIPS_BONITO64
5439318c51aSChris Dearman	select MIPS_CPU_SCACHE
54447bf2b03SMaksym Kokhan	select MIPS_GIC
545a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5465e83d430SRalf Baechle	select MIPS_MSC
54747bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
548ecafe3e9SPaul Burton	select SMP_UP if SMP
5491da177e4SLinus Torvalds	select SWAP_IO_SPACE
5507cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5517cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
552bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
553c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
554575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5557cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5565d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
557575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5587cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5597cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
560ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
561ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5625e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
563c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5645e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
565424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
56647bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5670365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
568e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
569f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
57047bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5719693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
572f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5731b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
574e8823d26SPaul Burton	select USE_OF
575886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
576abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5771da177e4SLinus Torvalds	help
578f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5791da177e4SLinus Torvalds	  board.
5801da177e4SLinus Torvalds
5812572f00dSJoshua Hendersonconfig MACH_PIC32
5822572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5832572f00dSJoshua Henderson	help
5842572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5852572f00dSJoshua Henderson
5862572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5872572f00dSJoshua Henderson	  microcontrollers.
5882572f00dSJoshua Henderson
5895e83d430SRalf Baechleconfig MACH_VR41XX
59074142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
59142f77542SRalf Baechle	select CEVT_R4K
592940f6b48SRalf Baechle	select CSRC_R4K
5937cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
594377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
595d30a2b47SLinus Walleij	select GPIOLIB
5965e83d430SRalf Baechle
597baec970aSLauri Kasanenconfig MACH_NINTENDO64
598baec970aSLauri Kasanen	bool "Nintendo 64 console"
599baec970aSLauri Kasanen	select CEVT_R4K
600baec970aSLauri Kasanen	select CSRC_R4K
601baec970aSLauri Kasanen	select SYS_HAS_CPU_R4300
602baec970aSLauri Kasanen	select SYS_SUPPORTS_BIG_ENDIAN
603baec970aSLauri Kasanen	select SYS_SUPPORTS_ZBOOT
604baec970aSLauri Kasanen	select SYS_SUPPORTS_32BIT_KERNEL
605baec970aSLauri Kasanen	select SYS_SUPPORTS_64BIT_KERNEL
606baec970aSLauri Kasanen	select DMA_NONCOHERENT
607baec970aSLauri Kasanen	select IRQ_MIPS_CPU
608baec970aSLauri Kasanen
609ae2b5bb6SJohn Crispinconfig RALINK
610ae2b5bb6SJohn Crispin	bool "Ralink based machines"
611ae2b5bb6SJohn Crispin	select CEVT_R4K
61235f752beSArnd Bergmann	select COMMON_CLK
613ae2b5bb6SJohn Crispin	select CSRC_R4K
614ae2b5bb6SJohn Crispin	select BOOT_RAW
615ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
61667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
617ae2b5bb6SJohn Crispin	select USE_OF
618ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
619ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
620ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
621ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
622377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
6231f0400d0SChuanhong Guo	select SYS_SUPPORTS_ZBOOT
624ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
6252a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6262a153f1cSJohn Crispin	select RESET_CONTROLLER
627ae2b5bb6SJohn Crispin
6284042147aSBert Vermeulenconfig MACH_REALTEK_RTL
6294042147aSBert Vermeulen	bool "Realtek RTL838x/RTL839x based machines"
6304042147aSBert Vermeulen	select MIPS_GENERIC
6314042147aSBert Vermeulen	select DMA_NONCOHERENT
6324042147aSBert Vermeulen	select IRQ_MIPS_CPU
6334042147aSBert Vermeulen	select CSRC_R4K
6344042147aSBert Vermeulen	select CEVT_R4K
6354042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R1
6364042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R2
6374042147aSBert Vermeulen	select SYS_SUPPORTS_BIG_ENDIAN
6384042147aSBert Vermeulen	select SYS_SUPPORTS_32BIT_KERNEL
6394042147aSBert Vermeulen	select SYS_SUPPORTS_MIPS16
6404042147aSBert Vermeulen	select SYS_SUPPORTS_MULTITHREADING
6414042147aSBert Vermeulen	select SYS_SUPPORTS_VPE_LOADER
6424042147aSBert Vermeulen	select BOOT_RAW
6434042147aSBert Vermeulen	select PINCTRL
6444042147aSBert Vermeulen	select USE_OF
6454042147aSBert Vermeulen
6461da177e4SLinus Torvaldsconfig SGI_IP22
6473fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
648c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
64939b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6500e2794b0SRalf Baechle	select FW_ARC
6510e2794b0SRalf Baechle	select FW_ARC32
6527a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6531da177e4SLinus Torvalds	select BOOT_ELF32
65442f77542SRalf Baechle	select CEVT_R4K
655940f6b48SRalf Baechle	select CSRC_R4K
656e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6571da177e4SLinus Torvalds	select DMA_NONCOHERENT
6586630a8e5SChristoph Hellwig	select HAVE_EISA
659d865bea4SRalf Baechle	select I8253
66068de4803SThomas Bogendoerfer	select I8259
6611da177e4SLinus Torvalds	select IP22_CPU_SCACHE
66267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
663aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
664e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
665e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
66636e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
667e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
668e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
669e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6701da177e4SLinus Torvalds	select SWAP_IO_SPACE
6717cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6727cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
673c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
674ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
675ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6765e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
677802b8362SThomas Bogendoerfer	select WAR_R4600_V1_INDEX_ICACHEOP
6785e5b6527SThomas Bogendoerfer	select WAR_R4600_V1_HIT_CACHEOP
67944def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
680930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6811da177e4SLinus Torvalds	help
6821da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6831da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6841da177e4SLinus Torvalds	  that runs on these, say Y here.
6851da177e4SLinus Torvalds
6861da177e4SLinus Torvaldsconfig SGI_IP27
6873fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
68854aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
689397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
6900e2794b0SRalf Baechle	select FW_ARC
6910e2794b0SRalf Baechle	select FW_ARC64
692e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
6935e83d430SRalf Baechle	select BOOT_ELF64
694e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
69504100459SChristoph Hellwig	select FORCE_PCI
69636a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
697eb01d42aSChristoph Hellwig	select HAVE_PCI
69869a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
699e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
700130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
701a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
702a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7037cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
704ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7055e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
706d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
7071a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
708256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
709930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7106c86a302SMike Rapoport	select NUMA
7111da177e4SLinus Torvalds	help
7121da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
7131da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
7141da177e4SLinus Torvalds	  here.
7151da177e4SLinus Torvalds
716e2defae5SThomas Bogendoerferconfig SGI_IP28
7177d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
718c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
71939b2d756SThomas Bogendoerfer	select ARC_PROMLIB
7200e2794b0SRalf Baechle	select FW_ARC
7210e2794b0SRalf Baechle	select FW_ARC64
7227a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
723e2defae5SThomas Bogendoerfer	select BOOT_ELF64
724e2defae5SThomas Bogendoerfer	select CEVT_R4K
725e2defae5SThomas Bogendoerfer	select CSRC_R4K
726e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
727e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
728e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
72967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7306630a8e5SChristoph Hellwig	select HAVE_EISA
731e2defae5SThomas Bogendoerfer	select I8253
732e2defae5SThomas Bogendoerfer	select I8259
733e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
734e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7355b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
736e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
737e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
738e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
739e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
740e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
741c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
742e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
743e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
744256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
745dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
746e2defae5SThomas Bogendoerfer	help
747e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
748e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
749e2defae5SThomas Bogendoerfer
7507505576dSThomas Bogendoerferconfig SGI_IP30
7517505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7527505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7537505576dSThomas Bogendoerfer	select FW_ARC
7547505576dSThomas Bogendoerfer	select FW_ARC64
7557505576dSThomas Bogendoerfer	select BOOT_ELF64
7567505576dSThomas Bogendoerfer	select CEVT_R4K
7577505576dSThomas Bogendoerfer	select CSRC_R4K
75804100459SChristoph Hellwig	select FORCE_PCI
7597505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7607505576dSThomas Bogendoerfer	select ZONE_DMA32
7617505576dSThomas Bogendoerfer	select HAVE_PCI
7627505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7637505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7647505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7657505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7667505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7677505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7687505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7697505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7707505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
771256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
7727505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7737505576dSThomas Bogendoerfer	select ARC_MEMORY
7747505576dSThomas Bogendoerfer	help
7757505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
7767505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
7777505576dSThomas Bogendoerfer
7781da177e4SLinus Torvaldsconfig SGI_IP32
779cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
78039b2d756SThomas Bogendoerfer	select ARC_MEMORY
78139b2d756SThomas Bogendoerfer	select ARC_PROMLIB
78203df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7830e2794b0SRalf Baechle	select FW_ARC
7840e2794b0SRalf Baechle	select FW_ARC32
7851da177e4SLinus Torvalds	select BOOT_ELF32
78642f77542SRalf Baechle	select CEVT_R4K
787940f6b48SRalf Baechle	select CSRC_R4K
7881da177e4SLinus Torvalds	select DMA_NONCOHERENT
789eb01d42aSChristoph Hellwig	select HAVE_PCI
79067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7911da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7921da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7937cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7947cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7957cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
796dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
797ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7985e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
799886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
8001da177e4SLinus Torvalds	help
8011da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
8021da177e4SLinus Torvalds
803ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
804ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
8055e83d430SRalf Baechle	select BOOT_ELF32
8065e83d430SRalf Baechle	select SIBYTE_BCM1120
8075e83d430SRalf Baechle	select SWAP_IO_SPACE
8087cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8095e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8105e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8115e83d430SRalf Baechle
812ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
813ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
8145e83d430SRalf Baechle	select BOOT_ELF32
8155e83d430SRalf Baechle	select SIBYTE_BCM1120
8165e83d430SRalf Baechle	select SWAP_IO_SPACE
8177cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8185e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8195e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8205e83d430SRalf Baechle
8215e83d430SRalf Baechleconfig SIBYTE_CRHONE
8223fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
8235e83d430SRalf Baechle	select BOOT_ELF32
8245e83d430SRalf Baechle	select SIBYTE_BCM1125
8255e83d430SRalf Baechle	select SWAP_IO_SPACE
8267cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8275e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8285e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8295e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8305e83d430SRalf Baechle
831ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
832ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
833ade299d8SYoichi Yuasa	select BOOT_ELF32
834ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
835ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
836ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
837ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
838ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
839ade299d8SYoichi Yuasa
840ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
841ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
842ade299d8SYoichi Yuasa	select BOOT_ELF32
843fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
844ade299d8SYoichi Yuasa	select SIBYTE_SB1250
845ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
846ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
847ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
848ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
849ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
850cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
851e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
852ade299d8SYoichi Yuasa
853ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
854ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
855ade299d8SYoichi Yuasa	select BOOT_ELF32
856fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
857ade299d8SYoichi Yuasa	select SIBYTE_SB1250
858ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
859ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
860ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
861ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
862ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
863756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
864ade299d8SYoichi Yuasa
865ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
866ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
867ade299d8SYoichi Yuasa	select BOOT_ELF32
868ade299d8SYoichi Yuasa	select SIBYTE_SB1250
869ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
870ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
871ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
872ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
873e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
874ade299d8SYoichi Yuasa
875ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
876ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
877ade299d8SYoichi Yuasa	select BOOT_ELF32
878ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
879ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
880ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
881ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
882ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
883651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
884ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
885cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
886e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
887ade299d8SYoichi Yuasa
88814b36af4SThomas Bogendoerferconfig SNI_RM
88914b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
89039b2d756SThomas Bogendoerfer	select ARC_MEMORY
89139b2d756SThomas Bogendoerfer	select ARC_PROMLIB
8920e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8930e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
894aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8955e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
896a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8977a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8985e83d430SRalf Baechle	select BOOT_ELF32
89942f77542SRalf Baechle	select CEVT_R4K
900940f6b48SRalf Baechle	select CSRC_R4K
901e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
9025e83d430SRalf Baechle	select DMA_NONCOHERENT
9035e83d430SRalf Baechle	select GENERIC_ISA_DMA
9046630a8e5SChristoph Hellwig	select HAVE_EISA
9058a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
906eb01d42aSChristoph Hellwig	select HAVE_PCI
90767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
908d865bea4SRalf Baechle	select I8253
9095e83d430SRalf Baechle	select I8259
9105e83d430SRalf Baechle	select ISA
911564c836fSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_6
9124a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
9137cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
9144a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
915c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
9164a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
91736a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
918ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
9197d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
9204a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
9215e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
9225e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
92344def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
9241da177e4SLinus Torvalds	help
92514b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
92614b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
9275e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
9285e83d430SRalf Baechle	  support this machine type.
9291da177e4SLinus Torvalds
930edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
931edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9325e83d430SRalf Baechle
933edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
934edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
93524a1c023SThomas Bogendoerfer	select WAR_TX49XX_ICACHE_INDEX_INV
93623fbee9dSRalf Baechle
93773b4390fSRalf Baechleconfig MIKROTIK_RB532
93873b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
93973b4390fSRalf Baechle	select CEVT_R4K
94073b4390fSRalf Baechle	select CSRC_R4K
94173b4390fSRalf Baechle	select DMA_NONCOHERENT
942eb01d42aSChristoph Hellwig	select HAVE_PCI
94367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
94473b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
94573b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
94673b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
94773b4390fSRalf Baechle	select SWAP_IO_SPACE
94873b4390fSRalf Baechle	select BOOT_RAW
949d30a2b47SLinus Walleij	select GPIOLIB
950930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
95173b4390fSRalf Baechle	help
95273b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
95373b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
95473b4390fSRalf Baechle
9559ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9569ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
957a86c7f72SDavid Daney	select CEVT_R4K
958ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9591753d50cSChristoph Hellwig	select HAVE_RAPIDIO
960d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
961a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
962a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
963f65aad41SRalf Baechle	select EDAC_SUPPORT
964b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
96573569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
96673569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
967a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9685e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
969eb01d42aSChristoph Hellwig	select HAVE_PCI
97078bdbbacSMasahiro Yamada	select HAVE_PLAT_DELAY
97178bdbbacSMasahiro Yamada	select HAVE_PLAT_FW_INIT_CMDLINE
97278bdbbacSMasahiro Yamada	select HAVE_PLAT_MEMCPY
973f00e001eSDavid Daney	select ZONE_DMA32
974d30a2b47SLinus Walleij	select GPIOLIB
9756e511163SDavid Daney	select USE_OF
9766e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9776e511163SDavid Daney	select SYS_SUPPORTS_SMP
9787820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9797820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
980e326479fSAndrew Bresticker	select BUILTIN_DTB
981f766b28aSJulian Braha	select MTD
9828c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
98309230cbcSChristoph Hellwig	select SWIOTLB
9843ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
985a86c7f72SDavid Daney	help
986a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
987a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
988a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
989a86c7f72SDavid Daney	  Some of the supported boards are:
990a86c7f72SDavid Daney		EBT3000
991a86c7f72SDavid Daney		EBH3000
992a86c7f72SDavid Daney		EBH3100
993a86c7f72SDavid Daney		Thunder
994a86c7f72SDavid Daney		Kodama
995a86c7f72SDavid Daney		Hikari
996a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
997a86c7f72SDavid Daney
9981da177e4SLinus Torvaldsendchoice
9991da177e4SLinus Torvalds
1000e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10013b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1002d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1003a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1004e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10058945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1006eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
1007a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig"
10085e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10098ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10102572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1011ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
101229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
101338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
101422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10155e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1016a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
101771e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
101830ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
101930ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
102038b18f72SRalf Baechle
10215e83d430SRalf Baechleendmenu
10225e83d430SRalf Baechle
10233c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10243c9ee7efSAkinobu Mita	bool
10253c9ee7efSAkinobu Mita	default y
10263c9ee7efSAkinobu Mita
10271da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10281da177e4SLinus Torvalds	bool
10291da177e4SLinus Torvalds	default y
10301da177e4SLinus Torvalds
1031ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10321cc89038SAtsushi Nemoto	bool
10331cc89038SAtsushi Nemoto	default y
10341cc89038SAtsushi Nemoto
10351da177e4SLinus Torvalds#
10361da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10371da177e4SLinus Torvalds#
10380e2794b0SRalf Baechleconfig FW_ARC
10391da177e4SLinus Torvalds	bool
10401da177e4SLinus Torvalds
104161ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
104261ed242dSRalf Baechle	bool
104361ed242dSRalf Baechle
10449267a30dSMarc St-Jeanconfig BOOT_RAW
10459267a30dSMarc St-Jean	bool
10469267a30dSMarc St-Jean
1047217dd11eSRalf Baechleconfig CEVT_BCM1480
1048217dd11eSRalf Baechle	bool
1049217dd11eSRalf Baechle
10506457d9fcSYoichi Yuasaconfig CEVT_DS1287
10516457d9fcSYoichi Yuasa	bool
10526457d9fcSYoichi Yuasa
10531097c6acSYoichi Yuasaconfig CEVT_GT641XX
10541097c6acSYoichi Yuasa	bool
10551097c6acSYoichi Yuasa
105642f77542SRalf Baechleconfig CEVT_R4K
105742f77542SRalf Baechle	bool
105842f77542SRalf Baechle
1059217dd11eSRalf Baechleconfig CEVT_SB1250
1060217dd11eSRalf Baechle	bool
1061217dd11eSRalf Baechle
1062229f773eSAtsushi Nemotoconfig CEVT_TXX9
1063229f773eSAtsushi Nemoto	bool
1064229f773eSAtsushi Nemoto
1065217dd11eSRalf Baechleconfig CSRC_BCM1480
1066217dd11eSRalf Baechle	bool
1067217dd11eSRalf Baechle
10684247417dSYoichi Yuasaconfig CSRC_IOASIC
10694247417dSYoichi Yuasa	bool
10704247417dSYoichi Yuasa
1071940f6b48SRalf Baechleconfig CSRC_R4K
107238586428SSerge Semin	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1073940f6b48SRalf Baechle	bool
1074940f6b48SRalf Baechle
1075217dd11eSRalf Baechleconfig CSRC_SB1250
1076217dd11eSRalf Baechle	bool
1077217dd11eSRalf Baechle
1078a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1079a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1080a7f4df4eSAlex Smith
1081a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1082d30a2b47SLinus Walleij	select GPIOLIB
1083a9aec7feSAtsushi Nemoto	bool
1084a9aec7feSAtsushi Nemoto
10850e2794b0SRalf Baechleconfig FW_CFE
1086df78b5c8SAurelien Jarno	bool
1087df78b5c8SAurelien Jarno
108840e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
108940e084a5SRalf Baechle	bool
109040e084a5SRalf Baechle
109120d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
109220d33064SPaul Burton	bool
1093347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
10945748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
109520d33064SPaul Burton
10961da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
10971da177e4SLinus Torvalds	bool
1098db91427bSChristoph Hellwig	#
1099db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1100db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1101db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1102db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1103db91427bSChristoph Hellwig	# significant advantages.
1104db91427bSChristoph Hellwig	#
1105419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1106fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_PREP_COHERENT
1107f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1108fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_SET_UNCACHED
110934dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
111034dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11114ce588cdSRalf Baechle
111236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11131da177e4SLinus Torvalds	bool
11141da177e4SLinus Torvalds
11151b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1116dbb74540SRalf Baechle	bool
1117dbb74540SRalf Baechle
11181da177e4SLinus Torvaldsconfig MIPS_BONITO64
11191da177e4SLinus Torvalds	bool
11201da177e4SLinus Torvalds
11211da177e4SLinus Torvaldsconfig MIPS_MSC
11221da177e4SLinus Torvalds	bool
11231da177e4SLinus Torvalds
112439b8d525SRalf Baechleconfig SYNC_R4K
112539b8d525SRalf Baechle	bool
112639b8d525SRalf Baechle
1127ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1128d388d685SMaciej W. Rozycki	def_bool n
1129d388d685SMaciej W. Rozycki
11304e0748f5SMarkos Chandrasconfig GENERIC_CSUM
113118d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
11324e0748f5SMarkos Chandras
11338313da30SRalf Baechleconfig GENERIC_ISA_DMA
11348313da30SRalf Baechle	bool
11358313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1136a35bee8aSNamhyung Kim	select ISA_DMA_API
11378313da30SRalf Baechle
1138aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1139aa414dffSRalf Baechle	bool
11408313da30SRalf Baechle	select GENERIC_ISA_DMA
1141aa414dffSRalf Baechle
114278bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY
114378bdbbacSMasahiro Yamada	bool
114478bdbbacSMasahiro Yamada
114578bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE
114678bdbbacSMasahiro Yamada	bool
114778bdbbacSMasahiro Yamada
114878bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY
114978bdbbacSMasahiro Yamada	bool
115078bdbbacSMasahiro Yamada
1151a35bee8aSNamhyung Kimconfig ISA_DMA_API
1152a35bee8aSNamhyung Kim	bool
1153a35bee8aSNamhyung Kim
11548c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
11558c530ea3SMatt Redfearn	bool
11568c530ea3SMatt Redfearn	help
11578c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
11588c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
11598c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
11608c530ea3SMatt Redfearn
11615e83d430SRalf Baechle#
11626b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
11635e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
11645e83d430SRalf Baechle# choice statement should be more obvious to the user.
11655e83d430SRalf Baechle#
11665e83d430SRalf Baechlechoice
11676b2aac42SMasanari Iida	prompt "Endianness selection"
11681da177e4SLinus Torvalds	help
11691da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
11705e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
11713cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
11725e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
11733dde6ad8SDavid Sterba	  one or the other endianness.
11745e83d430SRalf Baechle
11755e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
11765e83d430SRalf Baechle	bool "Big endian"
11775e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
11785e83d430SRalf Baechle
11795e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
11805e83d430SRalf Baechle	bool "Little endian"
11815e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
11825e83d430SRalf Baechle
11835e83d430SRalf Baechleendchoice
11845e83d430SRalf Baechle
118522b0763aSDavid Daneyconfig EXPORT_UASM
118622b0763aSDavid Daney	bool
118722b0763aSDavid Daney
11882116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
11892116245eSRalf Baechle	bool
11902116245eSRalf Baechle
11915e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
11925e83d430SRalf Baechle	bool
11935e83d430SRalf Baechle
11945e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
11955e83d430SRalf Baechle	bool
11961da177e4SLinus Torvalds
1197aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1198aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1199aa1762f4SDavid Daney
12009267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12019267a30dSMarc St-Jean	bool
12029267a30dSMarc St-Jean
12039267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12049267a30dSMarc St-Jean	bool
12059267a30dSMarc St-Jean
12068420fd00SAtsushi Nemotoconfig IRQ_TXX9
12078420fd00SAtsushi Nemoto	bool
12088420fd00SAtsushi Nemoto
1209d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1210d5ab1a69SYoichi Yuasa	bool
1211d5ab1a69SYoichi Yuasa
1212252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12131da177e4SLinus Torvalds	bool
12141da177e4SLinus Torvalds
1215a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1216a57140e9SThomas Bogendoerfer	bool
1217a57140e9SThomas Bogendoerfer
12189267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12199267a30dSMarc St-Jean	bool
12209267a30dSMarc St-Jean
1221a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1222a7e07b1aSMarkos Chandras	bool
1223a7e07b1aSMarkos Chandras
12241da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12251da177e4SLinus Torvalds	bool
12261da177e4SLinus Torvalds
1227e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1228e2defae5SThomas Bogendoerfer	bool
1229e2defae5SThomas Bogendoerfer
12305b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12315b438c44SThomas Bogendoerfer	bool
12325b438c44SThomas Bogendoerfer
1233e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1234e2defae5SThomas Bogendoerfer	bool
1235e2defae5SThomas Bogendoerfer
1236e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1237e2defae5SThomas Bogendoerfer	bool
1238e2defae5SThomas Bogendoerfer
1239e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1240e2defae5SThomas Bogendoerfer	bool
1241e2defae5SThomas Bogendoerfer
1242e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1243e2defae5SThomas Bogendoerfer	bool
1244e2defae5SThomas Bogendoerfer
1245e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1246e2defae5SThomas Bogendoerfer	bool
1247e2defae5SThomas Bogendoerfer
12480e2794b0SRalf Baechleconfig FW_ARC32
12495e83d430SRalf Baechle	bool
12505e83d430SRalf Baechle
1251aaa9fad3SPaul Bolleconfig FW_SNIPROM
1252231a35d3SThomas Bogendoerfer	bool
1253231a35d3SThomas Bogendoerfer
12541da177e4SLinus Torvaldsconfig BOOT_ELF32
12551da177e4SLinus Torvalds	bool
12561da177e4SLinus Torvalds
1257930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1258930beb5aSFlorian Fainelli	bool
1259930beb5aSFlorian Fainelli
1260930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1261930beb5aSFlorian Fainelli	bool
1262930beb5aSFlorian Fainelli
1263930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1264930beb5aSFlorian Fainelli	bool
1265930beb5aSFlorian Fainelli
1266930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1267930beb5aSFlorian Fainelli	bool
1268930beb5aSFlorian Fainelli
12691da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
12701da177e4SLinus Torvalds	int
1271a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
12725432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
12735432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
12745432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
12751da177e4SLinus Torvalds	default "5"
12761da177e4SLinus Torvalds
1277e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1278e9422427SThomas Bogendoerfer	bool
1279e9422427SThomas Bogendoerfer
12801da177e4SLinus Torvaldsconfig ARC_CONSOLE
12811da177e4SLinus Torvalds	bool "ARC console support"
1282e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
12831da177e4SLinus Torvalds
12841da177e4SLinus Torvaldsconfig ARC_MEMORY
12851da177e4SLinus Torvalds	bool
12861da177e4SLinus Torvalds
12871da177e4SLinus Torvaldsconfig ARC_PROMLIB
12881da177e4SLinus Torvalds	bool
12891da177e4SLinus Torvalds
12900e2794b0SRalf Baechleconfig FW_ARC64
12911da177e4SLinus Torvalds	bool
12921da177e4SLinus Torvalds
12931da177e4SLinus Torvaldsconfig BOOT_ELF64
12941da177e4SLinus Torvalds	bool
12951da177e4SLinus Torvalds
12961da177e4SLinus Torvaldsmenu "CPU selection"
12971da177e4SLinus Torvalds
12981da177e4SLinus Torvaldschoice
12991da177e4SLinus Torvalds	prompt "CPU type"
13001da177e4SLinus Torvalds	default CPU_R4X00
13011da177e4SLinus Torvalds
1302268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1303caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1304268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1305d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
130651522217SJiaxun Yang	select CPU_MIPSR2
130751522217SJiaxun Yang	select CPU_HAS_PREFETCH
13080e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13090e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13100e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
13117507445bSHuacai Chen	select CPU_SUPPORTS_MSA
131251522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
131351522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
13140e476d91SHuacai Chen	select WEAK_ORDERING
13150e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
13167507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1317b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
131817c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
13197f3b3c2bSJackie Liu	select MIPS_FP_SUPPORT
1320d30a2b47SLinus Walleij	select GPIOLIB
132109230cbcSChristoph Hellwig	select SWIOTLB
13220f78355cSHuacai Chen	select HAVE_KVM
13230e476d91SHuacai Chen	help
1324caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1325caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1326caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1327caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1328caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
13290e476d91SHuacai Chen
1330caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1331caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
13321e820da3SHuacai Chen	default n
1333268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
13341e820da3SHuacai Chen	help
1335caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
13361e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1337268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
13381e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
13391e820da3SHuacai Chen	  Fast TLB refill support, etc.
13401e820da3SHuacai Chen
13411e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
13421e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
13431e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1344caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
13451e820da3SHuacai Chen
1346e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1347caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1348e02e07e3SHuacai Chen	default y if SMP
1349268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1350e02e07e3SHuacai Chen	help
1351caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1352e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1353e02e07e3SHuacai Chen
1354caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1355e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1356e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1357e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1358e02e07e3SHuacai Chen
1359e02e07e3SHuacai Chen	  If unsure, please say Y.
1360e02e07e3SHuacai Chen
1361ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION
1362ec7a9318SWANG Xuerui	bool "Emulate the CPUCFG instruction on older Loongson cores"
1363ec7a9318SWANG Xuerui	default y
1364ec7a9318SWANG Xuerui	depends on CPU_LOONGSON64
1365ec7a9318SWANG Xuerui	help
1366ec7a9318SWANG Xuerui	  Loongson-3A R4 and newer have the CPUCFG instruction available for
1367ec7a9318SWANG Xuerui	  userland to query CPU capabilities, much like CPUID on x86. This
1368ec7a9318SWANG Xuerui	  option provides emulation of the instruction on older Loongson
1369ec7a9318SWANG Xuerui	  cores, back to Loongson-3A1000.
1370ec7a9318SWANG Xuerui
1371ec7a9318SWANG Xuerui	  If unsure, please say Y.
1372ec7a9318SWANG Xuerui
13733702bba5SWu Zhangjinconfig CPU_LOONGSON2E
13743702bba5SWu Zhangjin	bool "Loongson 2E"
13753702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1376268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
13772a21c730SFuxin Zhang	help
13782a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
13792a21c730SFuxin Zhang	  with many extensions.
13802a21c730SFuxin Zhang
138125985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
13826f7a251aSWu Zhangjin	  bonito64.
13836f7a251aSWu Zhangjin
13846f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
13856f7a251aSWu Zhangjin	bool "Loongson 2F"
13866f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1387268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1388d30a2b47SLinus Walleij	select GPIOLIB
13896f7a251aSWu Zhangjin	help
13906f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
13916f7a251aSWu Zhangjin	  with many extensions.
13926f7a251aSWu Zhangjin
13936f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
13946f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
13956f7a251aSWu Zhangjin	  Loongson2E.
13966f7a251aSWu Zhangjin
1397ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1398ca585cf9SKelvin Cheung	bool "Loongson 1B"
1399ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1400b2afb64cSHuacai Chen	select CPU_LOONGSON32
14019ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1402ca585cf9SKelvin Cheung	help
1403ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1404968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1405968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1406ca585cf9SKelvin Cheung
140712e3280bSYang Lingconfig CPU_LOONGSON1C
140812e3280bSYang Ling	bool "Loongson 1C"
140912e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1410b2afb64cSHuacai Chen	select CPU_LOONGSON32
141112e3280bSYang Ling	select LEDS_GPIO_REGISTER
141212e3280bSYang Ling	help
141312e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1414968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1415968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
141612e3280bSYang Ling
14176e760c8dSRalf Baechleconfig CPU_MIPS32_R1
14186e760c8dSRalf Baechle	bool "MIPS32 Release 1"
14197cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
14206e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1421797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1422ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14236e760c8dSRalf Baechle	help
14245e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14251e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14261e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14271e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14281e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14291e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
14301e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
14311e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
14321e5f1caaSRalf Baechle	  performance.
14331e5f1caaSRalf Baechle
14341e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
14351e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
14367cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
14371e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1438797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1439ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1440a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
14412235a54dSSanjay Lal	select HAVE_KVM
14421e5f1caaSRalf Baechle	help
14435e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
14446e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14456e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14466e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14476e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14481da177e4SLinus Torvalds
1449ab7c01fdSSerge Seminconfig CPU_MIPS32_R5
1450ab7c01fdSSerge Semin	bool "MIPS32 Release 5"
1451ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS32_R5
1452ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1453ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1454ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1455ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1456ab7c01fdSSerge Semin	select HAVE_KVM
1457ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT
1458ab7c01fdSSerge Semin	help
1459ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1460ab7c01fdSSerge Semin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1461ab7c01fdSSerge Semin	  family, are based on a MIPS32r5 processor. If you own an older
1462ab7c01fdSSerge Semin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1463ab7c01fdSSerge Semin
14647fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1465674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
14667fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
14677fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
146818d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
14697fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
14707fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
14717fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
14727fd08ca5SLeonid Yegoshin	select HAVE_KVM
14737fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
14747fd08ca5SLeonid Yegoshin	help
14757fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
14767fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
14777fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
14787fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
14797fd08ca5SLeonid Yegoshin
14806e760c8dSRalf Baechleconfig CPU_MIPS64_R1
14816e760c8dSRalf Baechle	bool "MIPS64 Release 1"
14827cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1483797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1484ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1485ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1486ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14879cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
14886e760c8dSRalf Baechle	help
14896e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14906e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
14916e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
14926e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14936e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
14941e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
14951e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
14961e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
14971e5f1caaSRalf Baechle	  performance.
14981e5f1caaSRalf Baechle
14991e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15001e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15017cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1502797798c1SRalf Baechle	select CPU_HAS_PREFETCH
15031e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15041e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1505ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15069cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1507a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
150840a2df49SJames Hogan	select HAVE_KVM
15091e5f1caaSRalf Baechle	help
15101e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15111e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15121e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15131e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15141e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15151da177e4SLinus Torvalds
1516ab7c01fdSSerge Seminconfig CPU_MIPS64_R5
1517ab7c01fdSSerge Semin	bool "MIPS64 Release 5"
1518ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS64_R5
1519ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1520ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1521ab7c01fdSSerge Semin	select CPU_SUPPORTS_64BIT_KERNEL
1522ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1523ab7c01fdSSerge Semin	select CPU_SUPPORTS_HUGEPAGES
1524ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1525ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1526ab7c01fdSSerge Semin	select HAVE_KVM
1527ab7c01fdSSerge Semin	help
1528ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1529ab7c01fdSSerge Semin	  MIPS64 architecture.  This is a intermediate MIPS architecture
1530ab7c01fdSSerge Semin	  release partly implementing release 6 features. Though there is no
1531ab7c01fdSSerge Semin	  any hardware known to be based on this release.
1532ab7c01fdSSerge Semin
15337fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1534674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
15357fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
15367fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
153718d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15387fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15397fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
15407fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1541afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
15427fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15432e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
154440a2df49SJames Hogan	select HAVE_KVM
15457fd08ca5SLeonid Yegoshin	help
15467fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15477fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
15487fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
15497fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
15507fd08ca5SLeonid Yegoshin
1551281e3aeaSSerge Seminconfig CPU_P5600
1552281e3aeaSSerge Semin	bool "MIPS Warrior P5600"
1553281e3aeaSSerge Semin	depends on SYS_HAS_CPU_P5600
1554281e3aeaSSerge Semin	select CPU_HAS_PREFETCH
1555281e3aeaSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1556281e3aeaSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1557281e3aeaSSerge Semin	select CPU_SUPPORTS_MSA
1558281e3aeaSSerge Semin	select CPU_SUPPORTS_CPUFREQ
1559281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_VI
1560281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_EI
1561281e3aeaSSerge Semin	select HAVE_KVM
1562281e3aeaSSerge Semin	select MIPS_O32_FP64_SUPPORT
1563281e3aeaSSerge Semin	help
1564281e3aeaSSerge Semin	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1565281e3aeaSSerge Semin	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1566281e3aeaSSerge Semin	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1567281e3aeaSSerge Semin	  level features like up to six P5600 calculation cores, CM2 with L2
1568281e3aeaSSerge Semin	  cache, IOCU/IOMMU (though might be unused depending on the system-
1569281e3aeaSSerge Semin	  specific IP core configuration), GIC, CPC, virtualisation module,
1570281e3aeaSSerge Semin	  eJTAG and PDtrace.
1571281e3aeaSSerge Semin
15721da177e4SLinus Torvaldsconfig CPU_R3000
15731da177e4SLinus Torvalds	bool "R3000"
15747cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1575f7062ddbSRalf Baechle	select CPU_HAS_WB
157654746829SPaul Burton	select CPU_R3K_TLB
1577ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1578797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15791da177e4SLinus Torvalds	help
15801da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
15811da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
15821da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
15831da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
15841da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
15851da177e4SLinus Torvalds	  try to recompile with R3000.
15861da177e4SLinus Torvalds
15871da177e4SLinus Torvaldsconfig CPU_TX39XX
15881da177e4SLinus Torvalds	bool "R39XX"
15897cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1590ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
159154746829SPaul Burton	select CPU_R3K_TLB
15921da177e4SLinus Torvalds
15931da177e4SLinus Torvaldsconfig CPU_VR41XX
15941da177e4SLinus Torvalds	bool "R41xx"
15957cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1596ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1597ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
15981da177e4SLinus Torvalds	help
15995e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16001da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16011da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16021da177e4SLinus Torvalds	  processor or vice versa.
16031da177e4SLinus Torvalds
160465ce6197SLauri Kasanenconfig CPU_R4300
160565ce6197SLauri Kasanen	bool "R4300"
160665ce6197SLauri Kasanen	depends on SYS_HAS_CPU_R4300
160765ce6197SLauri Kasanen	select CPU_SUPPORTS_32BIT_KERNEL
160865ce6197SLauri Kasanen	select CPU_SUPPORTS_64BIT_KERNEL
160965ce6197SLauri Kasanen	help
161065ce6197SLauri Kasanen	  MIPS Technologies R4300-series processors.
161165ce6197SLauri Kasanen
16121da177e4SLinus Torvaldsconfig CPU_R4X00
16131da177e4SLinus Torvalds	bool "R4x00"
16147cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1615ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1616ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1617970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16181da177e4SLinus Torvalds	help
16191da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16201da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16211da177e4SLinus Torvalds
16221da177e4SLinus Torvaldsconfig CPU_TX49XX
16231da177e4SLinus Torvalds	bool "R49XX"
16247cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1625de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1626ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1627ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1628970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16291da177e4SLinus Torvalds
16301da177e4SLinus Torvaldsconfig CPU_R5000
16311da177e4SLinus Torvalds	bool "R5000"
16327cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1633ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1634ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1635970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16361da177e4SLinus Torvalds	help
16371da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16381da177e4SLinus Torvalds
1639542c1020SShinya Kuribayashiconfig CPU_R5500
1640542c1020SShinya Kuribayashi	bool "R5500"
1641542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1642542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1643542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
16449cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1645542c1020SShinya Kuribayashi	help
1646542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1647542c1020SShinya Kuribayashi	  instruction set.
1648542c1020SShinya Kuribayashi
16491da177e4SLinus Torvaldsconfig CPU_NEVADA
16501da177e4SLinus Torvalds	bool "RM52xx"
16517cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1652ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1653ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1654970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16551da177e4SLinus Torvalds	help
16561da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
16571da177e4SLinus Torvalds
16581da177e4SLinus Torvaldsconfig CPU_R10000
16591da177e4SLinus Torvalds	bool "R10000"
16607cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
16615e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1662ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1663ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1664797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1665970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16661da177e4SLinus Torvalds	help
16671da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
16681da177e4SLinus Torvalds
16691da177e4SLinus Torvaldsconfig CPU_RM7000
16701da177e4SLinus Torvalds	bool "RM7000"
16717cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
16725e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1673ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1674ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1675797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1676970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16771da177e4SLinus Torvalds
16781da177e4SLinus Torvaldsconfig CPU_SB1
16791da177e4SLinus Torvalds	bool "SB1"
16807cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1681ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1682ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1683797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1684970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16850004a9dfSRalf Baechle	select WEAK_ORDERING
16861da177e4SLinus Torvalds
1687a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1688a86c7f72SDavid Daney	bool "Cavium Octeon processor"
16895e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1690a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1691a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1692a86c7f72SDavid Daney	select WEAK_ORDERING
1693a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
16949cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1695df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1696df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1697930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
16980ae3abcdSJames Hogan	select HAVE_KVM
1699a86c7f72SDavid Daney	help
1700a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1701a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1702a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1703a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1704a86c7f72SDavid Daney
1705cd746249SJonas Gorskiconfig CPU_BMIPS
1706cd746249SJonas Gorski	bool "Broadcom BMIPS"
1707cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1708cd746249SJonas Gorski	select CPU_MIPS32
1709fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1710cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1711cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1712cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1713cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1714cd746249SJonas Gorski	select DMA_NONCOHERENT
171567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1716cd746249SJonas Gorski	select SWAP_IO_SPACE
1717cd746249SJonas Gorski	select WEAK_ORDERING
1718c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
171969aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1720a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1721a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1722bf8bde41SFlorian Fainelli	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1723c1c0c461SKevin Cernekee	help
1724fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1725c1c0c461SKevin Cernekee
17261da177e4SLinus Torvaldsendchoice
17271da177e4SLinus Torvalds
1728a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1729a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1730a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
1731281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1732281e3aeaSSerge Semin		   CPU_P5600
1733a6e18781SLeonid Yegoshin	help
1734a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1735a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1736a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1737a6e18781SLeonid Yegoshin
1738a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1739a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1740a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1741a6e18781SLeonid Yegoshin	select EVA
1742a6e18781SLeonid Yegoshin	default y
1743a6e18781SLeonid Yegoshin	help
1744a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1745a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1746a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1747a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1748a6e18781SLeonid Yegoshin
1749c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1750c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1751c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1752281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1753c5b36783SSteven J. Hill	help
1754c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1755c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1756c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1757c5b36783SSteven J. Hill
1758c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1759c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1760c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1761c5b36783SSteven J. Hill	depends on !EVA
1762c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1763c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1764c5b36783SSteven J. Hill	select XPA
1765c5b36783SSteven J. Hill	select HIGHMEM
1766d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1767c5b36783SSteven J. Hill	default n
1768c5b36783SSteven J. Hill	help
1769c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1770c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1771c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1772c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1773c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1774c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1775c5b36783SSteven J. Hill
1776622844bfSWu Zhangjinif CPU_LOONGSON2F
1777622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1778622844bfSWu Zhangjin	bool
1779622844bfSWu Zhangjin
1780622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1781622844bfSWu Zhangjin	bool
1782622844bfSWu Zhangjin
1783622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1784622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1785622844bfSWu Zhangjin	default y
1786622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1787622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1788622844bfSWu Zhangjin	help
1789622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1790622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1791622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1792622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1793622844bfSWu Zhangjin
1794622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1795622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1796622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1797622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1798622844bfSWu Zhangjin	  systems.
1799622844bfSWu Zhangjin
1800622844bfSWu Zhangjin	  If unsure, please say Y.
1801622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1802622844bfSWu Zhangjin
18031b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18041b93b3c3SWu Zhangjin	bool
18051b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18061b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
180731c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18081b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1809fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18104e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
1811a510b616SPaul Cercueil	select HAVE_KERNEL_ZSTD
18121b93b3c3SWu Zhangjin
18131b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18141b93b3c3SWu Zhangjin	bool
18151b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18161b93b3c3SWu Zhangjin
1817dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1818dbb98314SAlban Bedel	bool
1819dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1820dbb98314SAlban Bedel
1821268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
18223702bba5SWu Zhangjin	bool
18233702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
18243702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
18253702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1826970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1827e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
18283702bba5SWu Zhangjin
1829b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1830ca585cf9SKelvin Cheung	bool
1831ca585cf9SKelvin Cheung	select CPU_MIPS32
18327e280f6bSJiaxun Yang	select CPU_MIPSR2
1833ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1834ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1835ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1836f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1837ca585cf9SKelvin Cheung
1838fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
183904fa8bf7SJonas Gorski	select SMP_UP if SMP
18401bbb6c1bSKevin Cernekee	bool
1841cd746249SJonas Gorski
1842cd746249SJonas Gorskiconfig CPU_BMIPS4350
1843cd746249SJonas Gorski	bool
1844cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1845cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1846cd746249SJonas Gorski
1847cd746249SJonas Gorskiconfig CPU_BMIPS4380
1848cd746249SJonas Gorski	bool
1849bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1850cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1851cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1852b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1853cd746249SJonas Gorski
1854cd746249SJonas Gorskiconfig CPU_BMIPS5000
1855cd746249SJonas Gorski	bool
1856cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1857bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1858cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1859cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1860b4720809SFlorian Fainelli	select CPU_HAS_RIXI
18611bbb6c1bSKevin Cernekee
1862268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
18630e476d91SHuacai Chen	bool
18640e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1865b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
18660e476d91SHuacai Chen
18673702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
18682a21c730SFuxin Zhang	bool
18692a21c730SFuxin Zhang
18706f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
18716f7a251aSWu Zhangjin	bool
187255045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
187355045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
18746f7a251aSWu Zhangjin
1875ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1876ca585cf9SKelvin Cheung	bool
1877ca585cf9SKelvin Cheung
187812e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
187912e3280bSYang Ling	bool
188012e3280bSYang Ling
18817cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
18827cf8053bSRalf Baechle	bool
18837cf8053bSRalf Baechle
18847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
18857cf8053bSRalf Baechle	bool
18867cf8053bSRalf Baechle
1887a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1888a6e18781SLeonid Yegoshin	bool
1889a6e18781SLeonid Yegoshin
1890c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1891c5b36783SSteven J. Hill	bool
18929ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893c5b36783SSteven J. Hill
18947fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
18957fd08ca5SLeonid Yegoshin	bool
18969ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
18977fd08ca5SLeonid Yegoshin
18987cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
18997cf8053bSRalf Baechle	bool
19007cf8053bSRalf Baechle
19017cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19027cf8053bSRalf Baechle	bool
19037cf8053bSRalf Baechle
1904fd4eb90bSLukas Bulwahnconfig SYS_HAS_CPU_MIPS64_R5
1905fd4eb90bSLukas Bulwahn	bool
1906fd4eb90bSLukas Bulwahn	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1907fd4eb90bSLukas Bulwahn
19087fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19097fd08ca5SLeonid Yegoshin	bool
19109ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19117fd08ca5SLeonid Yegoshin
1912281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600
1913281e3aeaSSerge Semin	bool
1914281e3aeaSSerge Semin	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1915281e3aeaSSerge Semin
19167cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19177cf8053bSRalf Baechle	bool
19187cf8053bSRalf Baechle
19197cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19207cf8053bSRalf Baechle	bool
19217cf8053bSRalf Baechle
19227cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19237cf8053bSRalf Baechle	bool
19247cf8053bSRalf Baechle
192565ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300
192665ce6197SLauri Kasanen	bool
192765ce6197SLauri Kasanen
19287cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
19297cf8053bSRalf Baechle	bool
19307cf8053bSRalf Baechle
19317cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
19327cf8053bSRalf Baechle	bool
19337cf8053bSRalf Baechle
19347cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
19357cf8053bSRalf Baechle	bool
19367cf8053bSRalf Baechle
1937542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1938542c1020SShinya Kuribayashi	bool
1939542c1020SShinya Kuribayashi
19407cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
19417cf8053bSRalf Baechle	bool
19427cf8053bSRalf Baechle
19437cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
19447cf8053bSRalf Baechle	bool
19459ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19467cf8053bSRalf Baechle
19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
19487cf8053bSRalf Baechle	bool
19497cf8053bSRalf Baechle
19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
19517cf8053bSRalf Baechle	bool
19527cf8053bSRalf Baechle
19535e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
19545e683389SDavid Daney	bool
19555e683389SDavid Daney
1956cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1957c1c0c461SKevin Cernekee	bool
1958c1c0c461SKevin Cernekee
1959fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1960c1c0c461SKevin Cernekee	bool
1961cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1962c1c0c461SKevin Cernekee
1963c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
1964c1c0c461SKevin Cernekee	bool
1965cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1966c1c0c461SKevin Cernekee
1967c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
1968c1c0c461SKevin Cernekee	bool
1969cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1970c1c0c461SKevin Cernekee
1971c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
1972c1c0c461SKevin Cernekee	bool
1973cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1974f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
1975c1c0c461SKevin Cernekee
197617099b11SRalf Baechle#
197717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
197817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
197917099b11SRalf Baechle#
19800004a9dfSRalf Baechleconfig WEAK_ORDERING
19810004a9dfSRalf Baechle	bool
198217099b11SRalf Baechle
198317099b11SRalf Baechle#
198417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
198517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
198617099b11SRalf Baechle#
198717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
198817099b11SRalf Baechle	bool
19895e83d430SRalf Baechleendmenu
19905e83d430SRalf Baechle
19915e83d430SRalf Baechle#
19925e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
19935e83d430SRalf Baechle#
19945e83d430SRalf Baechleconfig CPU_MIPS32
19955e83d430SRalf Baechle	bool
1996ab7c01fdSSerge Semin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1997281e3aeaSSerge Semin		     CPU_MIPS32_R6 || CPU_P5600
19985e83d430SRalf Baechle
19995e83d430SRalf Baechleconfig CPU_MIPS64
20005e83d430SRalf Baechle	bool
2001ab7c01fdSSerge Semin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
20025a4fa44fSJason A. Donenfeld		     CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
20035e83d430SRalf Baechle
20045e83d430SRalf Baechle#
200557eeacedSPaul Burton# These indicate the revision of the architecture
20065e83d430SRalf Baechle#
20075e83d430SRalf Baechleconfig CPU_MIPSR1
20085e83d430SRalf Baechle	bool
20095e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20105e83d430SRalf Baechle
20115e83d430SRalf Baechleconfig CPU_MIPSR2
20125e83d430SRalf Baechle	bool
2013a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20148256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2015ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2016a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20175e83d430SRalf Baechle
2018ab7c01fdSSerge Seminconfig CPU_MIPSR5
2019ab7c01fdSSerge Semin	bool
2020281e3aeaSSerge Semin	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
2021ab7c01fdSSerge Semin	select CPU_HAS_RIXI
2022ab7c01fdSSerge Semin	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2023ab7c01fdSSerge Semin	select MIPS_SPRAM
2024ab7c01fdSSerge Semin
20257fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20267fd08ca5SLeonid Yegoshin	bool
20277fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20288256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2029ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
203087321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
20312db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
20324a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2033a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20345e83d430SRalf Baechle
203557eeacedSPaul Burtonconfig TARGET_ISA_REV
203657eeacedSPaul Burton	int
203757eeacedSPaul Burton	default 1 if CPU_MIPSR1
203857eeacedSPaul Burton	default 2 if CPU_MIPSR2
2039ab7c01fdSSerge Semin	default 5 if CPU_MIPSR5
204057eeacedSPaul Burton	default 6 if CPU_MIPSR6
204157eeacedSPaul Burton	default 0
204257eeacedSPaul Burton	help
204357eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
204457eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
204557eeacedSPaul Burton
2046a6e18781SLeonid Yegoshinconfig EVA
2047a6e18781SLeonid Yegoshin	bool
2048a6e18781SLeonid Yegoshin
2049c5b36783SSteven J. Hillconfig XPA
2050c5b36783SSteven J. Hill	bool
2051c5b36783SSteven J. Hill
20525e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
20535e83d430SRalf Baechle	bool
20545e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
20555e83d430SRalf Baechle	bool
20565e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
20575e83d430SRalf Baechle	bool
20585e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
20595e83d430SRalf Baechle	bool
206055045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
206155045ff5SWu Zhangjin	bool
206255045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
206355045ff5SWu Zhangjin	bool
20649cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
20659cffd154SDavid Daney	bool
2066a670c82dSLukas Bulwahn	depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
206782622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
206882622284SDavid Daney	bool
2069c6972fb9SHuang Pei	depends on 64BIT
207095b8a5e0SThomas Bogendoerfer	default y if (CPU_MIPSR2 || CPU_MIPSR6)
20715e83d430SRalf Baechle
20728192c9eaSDavid Daney#
20738192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
20748192c9eaSDavid Daney#
20758192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
20768192c9eaSDavid Daney	bool
2077679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
20788192c9eaSDavid Daney
20795e83d430SRalf Baechlemenu "Kernel type"
20805e83d430SRalf Baechle
20815e83d430SRalf Baechlechoice
20825e83d430SRalf Baechle	prompt "Kernel code model"
20835e83d430SRalf Baechle	help
20845e83d430SRalf Baechle	  You should only select this option if you have a workload that
20855e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
20865e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
20875e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
20885e83d430SRalf Baechle
20895e83d430SRalf Baechleconfig 32BIT
20905e83d430SRalf Baechle	bool "32-bit kernel"
20915e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
20925e83d430SRalf Baechle	select TRAD_SIGNALS
20935e83d430SRalf Baechle	help
20945e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2095f17c4ca3SRalf Baechle
20965e83d430SRalf Baechleconfig 64BIT
20975e83d430SRalf Baechle	bool "64-bit kernel"
20985e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
20995e83d430SRalf Baechle	help
21005e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21015e83d430SRalf Baechle
21025e83d430SRalf Baechleendchoice
21035e83d430SRalf Baechle
21041e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21051e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21061e321fa9SLeonid Yegoshin	depends on 64BIT
21071e321fa9SLeonid Yegoshin	help
21083377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21093377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21103377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21113377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21123377e227SAlex Belits	  level of page tables is added which imposes both a memory
21133377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21143377e227SAlex Belits
21151e321fa9SLeonid Yegoshin	  If unsure, say N.
21161e321fa9SLeonid Yegoshin
211779876cc1SYunQiang Suconfig ZBOOT_LOAD_ADDRESS
211879876cc1SYunQiang Su	hex "Compressed kernel load address"
211979876cc1SYunQiang Su	default 0xffffffff80400000 if BCM47XX
212079876cc1SYunQiang Su	default 0x0
212179876cc1SYunQiang Su	depends on SYS_SUPPORTS_ZBOOT
212279876cc1SYunQiang Su	help
212379876cc1SYunQiang Su	  The address to load compressed kernel, aka vmlinuz.
212479876cc1SYunQiang Su
212579876cc1SYunQiang Su	  This is only used if non-zero.
212679876cc1SYunQiang Su
21271da177e4SLinus Torvaldschoice
21281da177e4SLinus Torvalds	prompt "Kernel page size"
21291da177e4SLinus Torvalds	default PAGE_SIZE_4KB
21301da177e4SLinus Torvalds
21311da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
21321da177e4SLinus Torvalds	bool "4kB"
2133268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
21341da177e4SLinus Torvalds	help
21351da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
21361da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
21371da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
21381da177e4SLinus Torvalds	  recommended for low memory systems.
21391da177e4SLinus Torvalds
21401da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
21411da177e4SLinus Torvalds	bool "8kB"
2142c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
21431e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
21441da177e4SLinus Torvalds	help
21451da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
21461da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2147c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2148c2aeaaeaSPaul Burton	  distribution to support this.
21491da177e4SLinus Torvalds
21501da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
21511da177e4SLinus Torvalds	bool "16kB"
2152714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
21531da177e4SLinus Torvalds	help
21541da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
21551da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2156714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2157714bfad6SRalf Baechle	  Linux distribution to support this.
21581da177e4SLinus Torvalds
2159c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2160c52399beSRalf Baechle	bool "32kB"
2161c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
21621e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2163c52399beSRalf Baechle	help
2164c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2165c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2166c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2167c52399beSRalf Baechle	  distribution to support this.
2168c52399beSRalf Baechle
21691da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
21701da177e4SLinus Torvalds	bool "64kB"
21713b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
21721da177e4SLinus Torvalds	help
21731da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
21741da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
21751da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2176714bfad6SRalf Baechle	  writing this option is still high experimental.
21771da177e4SLinus Torvalds
21781da177e4SLinus Torvaldsendchoice
21791da177e4SLinus Torvalds
2180c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2181c9bace7cSDavid Daney	int "Maximum zone order"
2182e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2183e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2184e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2185e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2186e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2187e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2188ef923a76SPaul Cercueil	range 0 64
2189c9bace7cSDavid Daney	default "11"
2190c9bace7cSDavid Daney	help
2191c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2192c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2193c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2194c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2195c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2196c9bace7cSDavid Daney	  increase this value.
2197c9bace7cSDavid Daney
2198c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2199c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2200c9bace7cSDavid Daney
2201c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2202c9bace7cSDavid Daney	  when choosing a value for this option.
2203c9bace7cSDavid Daney
22041da177e4SLinus Torvaldsconfig BOARD_SCACHE
22051da177e4SLinus Torvalds	bool
22061da177e4SLinus Torvalds
22071da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22081da177e4SLinus Torvalds	bool
22091da177e4SLinus Torvalds	select BOARD_SCACHE
22101da177e4SLinus Torvalds
22119318c51aSChris Dearman#
22129318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22139318c51aSChris Dearman#
22149318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22159318c51aSChris Dearman	bool
22169318c51aSChris Dearman	select BOARD_SCACHE
22179318c51aSChris Dearman
22181da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22191da177e4SLinus Torvalds	bool
22201da177e4SLinus Torvalds	select BOARD_SCACHE
22211da177e4SLinus Torvalds
22221da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22231da177e4SLinus Torvalds	bool
22241da177e4SLinus Torvalds	select BOARD_SCACHE
22251da177e4SLinus Torvalds
22261da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
22271da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
22281da177e4SLinus Torvalds	depends on CPU_SB1
22291da177e4SLinus Torvalds	help
22301da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
22311da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
22321da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
22331da177e4SLinus Torvalds
22341da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2235c8094b53SRalf Baechle	bool
22361da177e4SLinus Torvalds
22373165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
22383165c846SFlorian Fainelli	bool
2239c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
22403165c846SFlorian Fainelli
2241c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2242183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2243183b40f9SPaul Burton	default y
2244183b40f9SPaul Burton	help
2245183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2246183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2247183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2248183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2249183b40f9SPaul Burton	  receive a SIGILL.
2250183b40f9SPaul Burton
2251183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2252183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2253183b40f9SPaul Burton
2254183b40f9SPaul Burton	  If unsure, say y.
2255c92e47e5SPaul Burton
225697f7dcbfSPaul Burtonconfig CPU_R2300_FPU
225797f7dcbfSPaul Burton	bool
2258c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
225997f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
226097f7dcbfSPaul Burton
226154746829SPaul Burtonconfig CPU_R3K_TLB
226254746829SPaul Burton	bool
226354746829SPaul Burton
226491405eb6SFlorian Fainelliconfig CPU_R4K_FPU
226591405eb6SFlorian Fainelli	bool
2266c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
226797f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
226891405eb6SFlorian Fainelli
226962cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
227062cedc4fSFlorian Fainelli	bool
227154746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
227262cedc4fSFlorian Fainelli
227359d6ab86SRalf Baechleconfig MIPS_MT_SMP
2274a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
22755cbf9688SPaul Burton	default y
2276527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
227759d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2278d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2279c080faa5SSteven J. Hill	select SYNC_R4K
228059d6ab86SRalf Baechle	select MIPS_MT
228159d6ab86SRalf Baechle	select SMP
228287353d8aSRalf Baechle	select SMP_UP
2283c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2284c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2285399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
228659d6ab86SRalf Baechle	help
2287c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2288c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2289c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2290c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2291c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
229259d6ab86SRalf Baechle
2293f41ae0b2SRalf Baechleconfig MIPS_MT
2294f41ae0b2SRalf Baechle	bool
2295f41ae0b2SRalf Baechle
22960ab7aefcSRalf Baechleconfig SCHED_SMT
22970ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
22980ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
22990ab7aefcSRalf Baechle	default n
23000ab7aefcSRalf Baechle	help
23010ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
23020ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
23030ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
23040ab7aefcSRalf Baechle
23050ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
23060ab7aefcSRalf Baechle	bool
23070ab7aefcSRalf Baechle
2308f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2309f41ae0b2SRalf Baechle	bool
2310f41ae0b2SRalf Baechle
2311f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2312f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2313f088fc84SRalf Baechle	default y
2314b633648cSRalf Baechle	depends on MIPS_MT_SMP
231507cc0c9eSRalf Baechle
2316b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2317b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23189eaa9a82SPaul Burton	depends on CPU_MIPSR6
2319c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2320b0a668fbSLeonid Yegoshin	default y
2321b0a668fbSLeonid Yegoshin	help
2322b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2323b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
232407edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2325b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2326b0a668fbSLeonid Yegoshin	  final kernel image.
2327b0a668fbSLeonid Yegoshin
2328f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2329f35764e7SJames Hogan	bool
2330f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2331f35764e7SJames Hogan	help
2332f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2333f35764e7SJames Hogan	  physical_memsize.
2334f35764e7SJames Hogan
233507cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
233607cc0c9eSRalf Baechle	bool "VPE loader support."
2337f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
233807cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
233907cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
234007cc0c9eSRalf Baechle	select MIPS_MT
234107cc0c9eSRalf Baechle	help
234207cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
234307cc0c9eSRalf Baechle	  onto another VPE and running it.
2344f088fc84SRalf Baechle
234517a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
234617a1d523SDeng-Cheng Zhu	bool
234717a1d523SDeng-Cheng Zhu	default "y"
234817a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
234917a1d523SDeng-Cheng Zhu
23501a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
23511a2a6d7eSDeng-Cheng Zhu	bool
23521a2a6d7eSDeng-Cheng Zhu	default "y"
23531a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
23541a2a6d7eSDeng-Cheng Zhu
2355e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2356e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2357e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2358e01402b1SRalf Baechle	default y
2359e01402b1SRalf Baechle	help
2360e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2361e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2362e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2363e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2364e01402b1SRalf Baechle
2365e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2366e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2367e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2368e01402b1SRalf Baechle
2369da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2370da615cf6SDeng-Cheng Zhu	bool
2371da615cf6SDeng-Cheng Zhu	default "y"
2372da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2373da615cf6SDeng-Cheng Zhu
23742c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
23752c973ef0SDeng-Cheng Zhu	bool
23762c973ef0SDeng-Cheng Zhu	default "y"
23772c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
23782c973ef0SDeng-Cheng Zhu
23794a16ff4cSRalf Baechleconfig MIPS_CMP
23805cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
23815676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2382b10b43baSMarkos Chandras	select SMP
2383eb9b5141STim Anderson	select SYNC_R4K
2384b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
23854a16ff4cSRalf Baechle	select WEAK_ORDERING
23864a16ff4cSRalf Baechle	default n
23874a16ff4cSRalf Baechle	help
2388044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2389044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2390044505c7SPaul Burton	  its ability to start secondary CPUs.
23914a16ff4cSRalf Baechle
23925cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
23935cac93b3SPaul Burton	  instead of this.
23945cac93b3SPaul Burton
23950ee958e1SPaul Burtonconfig MIPS_CPS
23960ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
23975a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
23980ee958e1SPaul Burton	select MIPS_CM
23991d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
24000ee958e1SPaul Burton	select SMP
24010ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
24021d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2403c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
24040ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
24050ee958e1SPaul Burton	select WEAK_ORDERING
2406d8d3276bSWei Li	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
24070ee958e1SPaul Burton	help
24080ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24090ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24100ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24110ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24120ee958e1SPaul Burton	  support is unavailable.
24130ee958e1SPaul Burton
24143179d37eSPaul Burtonconfig MIPS_CPS_PM
241539a59593SMarkos Chandras	depends on MIPS_CPS
24163179d37eSPaul Burton	bool
24173179d37eSPaul Burton
24189f98f3ddSPaul Burtonconfig MIPS_CM
24199f98f3ddSPaul Burton	bool
24203c9b4166SPaul Burton	select MIPS_CPC
24219f98f3ddSPaul Burton
24229c38cf44SPaul Burtonconfig MIPS_CPC
24239c38cf44SPaul Burton	bool
24242600990eSRalf Baechle
24251da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24261da177e4SLinus Torvalds	bool
24271da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
24281da177e4SLinus Torvalds	default y
24291da177e4SLinus Torvalds
24301da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
24311da177e4SLinus Torvalds	bool
24321da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
24331da177e4SLinus Torvalds	default y
24341da177e4SLinus Torvalds
24359e2b5372SMarkos Chandraschoice
24369e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
24379e2b5372SMarkos Chandras
24389e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
24399e2b5372SMarkos Chandras	bool "None"
24409e2b5372SMarkos Chandras	help
24419e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
24429e2b5372SMarkos Chandras
24439693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
24449693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
24459e2b5372SMarkos Chandras	bool "SmartMIPS"
24469693a853SFranck Bui-Huu	help
24479693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
24489693a853SFranck Bui-Huu	  increased security at both hardware and software level for
24499693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
24509693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
24519693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
24529693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
24539693a853SFranck Bui-Huu	  here.
24549693a853SFranck Bui-Huu
2455bce86083SSteven J. Hillconfig CPU_MICROMIPS
24567fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
24579e2b5372SMarkos Chandras	bool "microMIPS"
2458bce86083SSteven J. Hill	help
2459bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2460bce86083SSteven J. Hill	  microMIPS ISA
2461bce86083SSteven J. Hill
24629e2b5372SMarkos Chandrasendchoice
24639e2b5372SMarkos Chandras
2464a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
24650ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2466a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2467c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
24682a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2469a5e9a69eSPaul Burton	help
2470a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2471a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
24721db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
24731db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
24741db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
24751db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
24761db1af84SPaul Burton	  the size & complexity of your kernel.
2477a5e9a69eSPaul Burton
2478a5e9a69eSPaul Burton	  If unsure, say Y.
2479a5e9a69eSPaul Burton
24801da177e4SLinus Torvaldsconfig CPU_HAS_WB
2481f7062ddbSRalf Baechle	bool
2482e01402b1SRalf Baechle
2483df0ac8a4SKevin Cernekeeconfig XKS01
2484df0ac8a4SKevin Cernekee	bool
2485df0ac8a4SKevin Cernekee
2486ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2487ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2488ba9196d2SJiaxun Yang	bool
2489ba9196d2SJiaxun Yang
2490ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2491ba9196d2SJiaxun Yang	bool
2492ba9196d2SJiaxun Yang
24938256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
24948256b17eSFlorian Fainelli	bool
24958256b17eSFlorian Fainelli
249618d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2497932afdeeSYasha Cherikovsky	bool
2498932afdeeSYasha Cherikovsky	help
249918d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2500932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
250118d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
250218d84e2eSAlexander Lobakin	  systems).
2503932afdeeSYasha Cherikovsky
2504f41ae0b2SRalf Baechle#
2505f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2506f41ae0b2SRalf Baechle#
2507e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2508f41ae0b2SRalf Baechle	bool
2509e01402b1SRalf Baechle
2510f41ae0b2SRalf Baechle#
2511f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2512f41ae0b2SRalf Baechle#
2513e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2514f41ae0b2SRalf Baechle	bool
2515e01402b1SRalf Baechle
25161da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25171da177e4SLinus Torvalds	bool
25181da177e4SLinus Torvalds	depends on !CPU_R3000
25191da177e4SLinus Torvalds	default y
25201da177e4SLinus Torvalds
25211da177e4SLinus Torvalds#
252220d60d99SMaciej W. Rozycki# CPU non-features
252320d60d99SMaciej W. Rozycki#
252420d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
252520d60d99SMaciej W. Rozycki	bool
252620d60d99SMaciej W. Rozycki
252720d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
252820d60d99SMaciej W. Rozycki	bool
252920d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
253020d60d99SMaciej W. Rozycki
253120d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
253220d60d99SMaciej W. Rozycki	bool
253320d60d99SMaciej W. Rozycki
2534071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2535071d2f0bSPaul Burton	bool
2536071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2537071d2f0bSPaul Burton
25384edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
25394edf00a4SPaul Burton	int
25404edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25414edf00a4SPaul Burton	default 0
25424edf00a4SPaul Burton
25434edf00a4SPaul Burtonconfig MIPS_ASID_BITS
25444edf00a4SPaul Burton	int
25452db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
25464edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25474edf00a4SPaul Burton	default 8
25484edf00a4SPaul Burton
25492db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
25502db003a5SPaul Burton	bool
25512db003a5SPaul Burton
25524a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
25534a5dc51eSMarcin Nowakowski	bool
25544a5dc51eSMarcin Nowakowski
2555802b8362SThomas Bogendoerfer# R4600 erratum.  Due to the lack of errata information the exact
2556802b8362SThomas Bogendoerfer# technical details aren't known.  I've experimentally found that disabling
2557802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal
2558802b8362SThomas Bogendoerfer# with the issue.
2559802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP
2560802b8362SThomas Bogendoerfer	bool
2561802b8362SThomas Bogendoerfer
25625e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
25635e5b6527SThomas Bogendoerfer#
25645e5b6527SThomas Bogendoerfer#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
25655e5b6527SThomas Bogendoerfer#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
25665e5b6527SThomas Bogendoerfer#      executed if there is no other dcache activity. If the dcache is
256718ff14c8SColin Ian King#      accessed for another instruction immediately preceding when these
25685e5b6527SThomas Bogendoerfer#      cache instructions are executing, it is possible that the dcache
25695e5b6527SThomas Bogendoerfer#      tag match outputs used by these cache instructions will be
25705e5b6527SThomas Bogendoerfer#      incorrect. These cache instructions should be preceded by at least
25715e5b6527SThomas Bogendoerfer#      four instructions that are not any kind of load or store
25725e5b6527SThomas Bogendoerfer#      instruction.
25735e5b6527SThomas Bogendoerfer#
25745e5b6527SThomas Bogendoerfer#      This is not allowed:    lw
25755e5b6527SThomas Bogendoerfer#                              nop
25765e5b6527SThomas Bogendoerfer#                              nop
25775e5b6527SThomas Bogendoerfer#                              nop
25785e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
25795e5b6527SThomas Bogendoerfer#
25805e5b6527SThomas Bogendoerfer#      This is allowed:        lw
25815e5b6527SThomas Bogendoerfer#                              nop
25825e5b6527SThomas Bogendoerfer#                              nop
25835e5b6527SThomas Bogendoerfer#                              nop
25845e5b6527SThomas Bogendoerfer#                              nop
25855e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
25865e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP
25875e5b6527SThomas Bogendoerfer	bool
25885e5b6527SThomas Bogendoerfer
258944def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA.
259044def342SThomas Bogendoerfer#
259144def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
259244def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
259344def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty.  These
259444def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss
259544def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer."
259644def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/
259744def342SThomas Bogendoerfer# in .pdf format.)
259844def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP
259944def342SThomas Bogendoerfer	bool
260044def342SThomas Bogendoerfer
260124a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
260224a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following
260324a1c023SThomas Bogendoerfer# operation is not guaranteed."
260424a1c023SThomas Bogendoerfer#
260524a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I
260624a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV
260724a1c023SThomas Bogendoerfer	bool
260824a1c023SThomas Bogendoerfer
2609886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2610886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same
2611886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious
2612886ee136SThomas Bogendoerfer# exceptions.
2613886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS
2614886ee136SThomas Bogendoerfer	bool
2615886ee136SThomas Bogendoerfer
2616256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2617256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically.
2618256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC
2619256ec489SThomas Bogendoerfer	bool
2620256ec489SThomas Bogendoerfer
2621a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction"
2622a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB
2623a7fbed98SThomas Bogendoerfer	bool
2624a7fbed98SThomas Bogendoerfer
262520d60d99SMaciej W. Rozycki#
26261da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
26271da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
26281da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
26291da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
26301da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
26311da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
26321da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
26331da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2634797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2635797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2636797798c1SRalf Baechle#   support.
26371da177e4SLinus Torvalds#
26381da177e4SLinus Torvaldsconfig HIGHMEM
26391da177e4SLinus Torvalds	bool "High Memory Support"
2640a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2641a4c33e83SThomas Gleixner	select KMAP_LOCAL
2642797798c1SRalf Baechle
2643797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2644797798c1SRalf Baechle	bool
2645797798c1SRalf Baechle
2646797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2647797798c1SRalf Baechle	bool
26481da177e4SLinus Torvalds
26499693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26509693a853SFranck Bui-Huu	bool
26519693a853SFranck Bui-Huu
2652a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2653a6a4834cSSteven J. Hill	bool
2654a6a4834cSSteven J. Hill
2655377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2656377cb1b6SRalf Baechle	bool
2657377cb1b6SRalf Baechle	help
2658377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2659377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2660377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2661377cb1b6SRalf Baechle
2662a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2663a5e9a69eSPaul Burton	bool
2664a5e9a69eSPaul Burton
2665b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2666b4819b59SYoichi Yuasa	def_bool y
2667268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2668b4819b59SYoichi Yuasa
2669b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2670b1c6cd42SAtsushi Nemoto	bool
2671397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
267231473747SAtsushi Nemoto
2673d8cb4e11SRalf Baechleconfig NUMA
2674d8cb4e11SRalf Baechle	bool "NUMA Support"
2675d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2676cf8194e4STiezhu Yang	select SMP
26777ecd19cfSKefeng Wang	select HAVE_SETUP_PER_CPU_AREA
26787ecd19cfSKefeng Wang	select NEED_PER_CPU_EMBED_FIRST_CHUNK
2679d8cb4e11SRalf Baechle	help
2680d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2681d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2682d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2683172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2684d8cb4e11SRalf Baechle	  disabled.
2685d8cb4e11SRalf Baechle
2686d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2687d8cb4e11SRalf Baechle	bool
2688d8cb4e11SRalf Baechle
26898c530ea3SMatt Redfearnconfig RELOCATABLE
26908c530ea3SMatt Redfearn	bool "Relocatable kernel"
2691ab7c01fdSSerge Semin	depends on SYS_SUPPORTS_RELOCATABLE
2692ab7c01fdSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2693ab7c01fdSSerge Semin		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2694ab7c01fdSSerge Semin		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2695a307a4ceSJinyang He		   CPU_P5600 || CAVIUM_OCTEON_SOC || \
2696a307a4ceSJinyang He		   CPU_LOONGSON64
26978c530ea3SMatt Redfearn	help
26988c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
26998c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
27008c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
27018c530ea3SMatt Redfearn	  but are discarded at runtime
27028c530ea3SMatt Redfearn
2703069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2704069fd766SMatt Redfearn	hex "Relocation table size"
2705069fd766SMatt Redfearn	depends on RELOCATABLE
2706069fd766SMatt Redfearn	range 0x0 0x01000000
2707a307a4ceSJinyang He	default "0x00200000" if CPU_LOONGSON64
2708069fd766SMatt Redfearn	default "0x00100000"
2709a7f7f624SMasahiro Yamada	help
2710069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2711069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2712069fd766SMatt Redfearn
2713069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2714069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2715069fd766SMatt Redfearn
2716069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2717069fd766SMatt Redfearn
2718069fd766SMatt Redfearn	  If unsure, leave at the default value.
2719069fd766SMatt Redfearn
2720405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2721405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2722405bc8fdSMatt Redfearn	depends on RELOCATABLE
2723a7f7f624SMasahiro Yamada	help
2724405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2725405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2726405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2727405bc8fdSMatt Redfearn	  of kernel internals.
2728405bc8fdSMatt Redfearn
2729405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2730405bc8fdSMatt Redfearn
2731405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2732405bc8fdSMatt Redfearn
2733405bc8fdSMatt Redfearn	  If unsure, say N.
2734405bc8fdSMatt Redfearn
2735405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2736405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2737405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2738405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2739405bc8fdSMatt Redfearn	range 0x0 0x08000000
2740405bc8fdSMatt Redfearn	default "0x01000000"
2741a7f7f624SMasahiro Yamada	help
2742405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2743405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2744405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2745405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2746405bc8fdSMatt Redfearn
2747405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2748405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2749405bc8fdSMatt Redfearn
2750c80d79d7SYasunori Gotoconfig NODES_SHIFT
2751c80d79d7SYasunori Goto	int
2752c80d79d7SYasunori Goto	default "6"
2753a9ee6cf5SMike Rapoport	depends on NUMA
2754c80d79d7SYasunori Goto
275514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
275614f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
275795b8a5e0SThomas Bogendoerfer	depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
275814f70012SDeng-Cheng Zhu	default y
275914f70012SDeng-Cheng Zhu	help
276014f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
276114f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
276214f70012SDeng-Cheng Zhu
2763be8fa1cbSTiezhu Yangconfig DMI
2764be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2765be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2766be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2767be8fa1cbSTiezhu Yang	default y
2768be8fa1cbSTiezhu Yang	help
2769be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2770be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2771be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2772be8fa1cbSTiezhu Yang	  BIOS code.
2773be8fa1cbSTiezhu Yang
27741da177e4SLinus Torvaldsconfig SMP
27751da177e4SLinus Torvalds	bool "Multi-Processing support"
2776e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2777e73ea273SRalf Baechle	help
27781da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27794a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27804a474157SRobert Graffham	  than one CPU, say Y.
27811da177e4SLinus Torvalds
27824a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27831da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27841da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27854a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27861da177e4SLinus Torvalds	  will run faster if you say N here.
27871da177e4SLinus Torvalds
27881da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27891da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27901da177e4SLinus Torvalds
279103502faaSAdrian Bunk	  See also the SMP-HOWTO available at
2792ef054ad3SAlexander A. Klimov	  <https://www.tldp.org/docs.html#howto>.
27931da177e4SLinus Torvalds
27941da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27951da177e4SLinus Torvalds
27967840d618SMatt Redfearnconfig HOTPLUG_CPU
27977840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27987840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27997840d618SMatt Redfearn	help
28007840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
28017840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
28027840d618SMatt Redfearn	  (Note: power management support will enable this option
28037840d618SMatt Redfearn	    automatically on SMP systems. )
28047840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
28057840d618SMatt Redfearn
280687353d8aSRalf Baechleconfig SMP_UP
280787353d8aSRalf Baechle	bool
280887353d8aSRalf Baechle
28094a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
28104a16ff4cSRalf Baechle	bool
28114a16ff4cSRalf Baechle
28120ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
28130ee958e1SPaul Burton	bool
28140ee958e1SPaul Burton
2815e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2816e73ea273SRalf Baechle	bool
2817e73ea273SRalf Baechle
2818130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2819130e2fb7SRalf Baechle	bool
2820130e2fb7SRalf Baechle
2821130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2822130e2fb7SRalf Baechle	bool
2823130e2fb7SRalf Baechle
2824130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2825130e2fb7SRalf Baechle	bool
2826130e2fb7SRalf Baechle
2827130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2828130e2fb7SRalf Baechle	bool
2829130e2fb7SRalf Baechle
2830130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2831130e2fb7SRalf Baechle	bool
2832130e2fb7SRalf Baechle
28331da177e4SLinus Torvaldsconfig NR_CPUS
2834a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2835a91796a9SJayachandran C	range 2 256
28361da177e4SLinus Torvalds	depends on SMP
2837130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2838130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2839130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2840130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2841130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
28421da177e4SLinus Torvalds	help
28431da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
28441da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
28451da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
284672ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
284772ede9b1SAtsushi Nemoto	  and 2 for all others.
28481da177e4SLinus Torvalds
28491da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
285072ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
285172ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
285272ede9b1SAtsushi Nemoto	  power of two.
28531da177e4SLinus Torvalds
2854399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2855399aaa25SAl Cooper	bool
2856399aaa25SAl Cooper
28577820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28587820b84bSDavid Daney	bool
28597820b84bSDavid Daney
28607820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28617820b84bSDavid Daney	int
28627820b84bSDavid Daney	depends on SMP
28637820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28647820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28657820b84bSDavid Daney
28661723b4a3SAtsushi Nemoto#
28671723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28681723b4a3SAtsushi Nemoto#
28691723b4a3SAtsushi Nemoto
28701723b4a3SAtsushi Nemotochoice
28711723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28721723b4a3SAtsushi Nemoto	default HZ_250
28731723b4a3SAtsushi Nemoto	help
28741723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
28751723b4a3SAtsushi Nemoto
287667596573SPaul Burton	config HZ_24
287767596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
287867596573SPaul Burton
28791723b4a3SAtsushi Nemoto	config HZ_48
28800f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28811723b4a3SAtsushi Nemoto
28821723b4a3SAtsushi Nemoto	config HZ_100
28831723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28841723b4a3SAtsushi Nemoto
28851723b4a3SAtsushi Nemoto	config HZ_128
28861723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28871723b4a3SAtsushi Nemoto
28881723b4a3SAtsushi Nemoto	config HZ_250
28891723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28901723b4a3SAtsushi Nemoto
28911723b4a3SAtsushi Nemoto	config HZ_256
28921723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28931723b4a3SAtsushi Nemoto
28941723b4a3SAtsushi Nemoto	config HZ_1000
28951723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28961723b4a3SAtsushi Nemoto
28971723b4a3SAtsushi Nemoto	config HZ_1024
28981723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28991723b4a3SAtsushi Nemoto
29001723b4a3SAtsushi Nemotoendchoice
29011723b4a3SAtsushi Nemoto
290267596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
290367596573SPaul Burton	bool
290467596573SPaul Burton
29051723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
29061723b4a3SAtsushi Nemoto	bool
29071723b4a3SAtsushi Nemoto
29081723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
29091723b4a3SAtsushi Nemoto	bool
29101723b4a3SAtsushi Nemoto
29111723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
29121723b4a3SAtsushi Nemoto	bool
29131723b4a3SAtsushi Nemoto
29141723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
29151723b4a3SAtsushi Nemoto	bool
29161723b4a3SAtsushi Nemoto
29171723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
29181723b4a3SAtsushi Nemoto	bool
29191723b4a3SAtsushi Nemoto
29201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
29211723b4a3SAtsushi Nemoto	bool
29221723b4a3SAtsushi Nemoto
29231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
29241723b4a3SAtsushi Nemoto	bool
29251723b4a3SAtsushi Nemoto
29261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
29271723b4a3SAtsushi Nemoto	bool
292867596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
292967596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
293067596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
293167596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
293267596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
293367596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
293467596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
29351723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
29361723b4a3SAtsushi Nemoto
29371723b4a3SAtsushi Nemotoconfig HZ
29381723b4a3SAtsushi Nemoto	int
293967596573SPaul Burton	default 24 if HZ_24
29401723b4a3SAtsushi Nemoto	default 48 if HZ_48
29411723b4a3SAtsushi Nemoto	default 100 if HZ_100
29421723b4a3SAtsushi Nemoto	default 128 if HZ_128
29431723b4a3SAtsushi Nemoto	default 250 if HZ_250
29441723b4a3SAtsushi Nemoto	default 256 if HZ_256
29451723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
29461723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
29471723b4a3SAtsushi Nemoto
294896685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
294996685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
295096685b17SDeng-Cheng Zhu
2951ea6e942bSAtsushi Nemotoconfig KEXEC
29527d60717eSKees Cook	bool "Kexec system call"
29532965faa5SDave Young	select KEXEC_CORE
2954ea6e942bSAtsushi Nemoto	help
2955ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2956ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29573dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2958ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2959ea6e942bSAtsushi Nemoto
296001dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2961ea6e942bSAtsushi Nemoto
2962ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2963ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2964bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2965bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2966bf220695SGeert Uytterhoeven	  made.
2967ea6e942bSAtsushi Nemoto
29687aa1c8f4SRalf Baechleconfig CRASH_DUMP
29697aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29707aa1c8f4SRalf Baechle	help
29717aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29727aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29737aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29747aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29757aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29767aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29777aa1c8f4SRalf Baechle	  PHYSICAL_START.
29787aa1c8f4SRalf Baechle
29797aa1c8f4SRalf Baechleconfig PHYSICAL_START
29807aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29818bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29827aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29837aa1c8f4SRalf Baechle	help
29847aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29857aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29867aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29877aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29887aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29897aa1c8f4SRalf Baechle
2990597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
2991b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2992597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2993597ce172SPaul Burton	help
2994597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2995597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2996597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2997597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2998597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2999597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
3000597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
3001597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
3002597ce172SPaul Burton	  saying N here.
3003597ce172SPaul Burton
300406e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
300506e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
300618ff14c8SColin Ian King	  worked on. In order to avoid userland becoming dependent upon current
300706e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
300806e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
300906e2e882SPaul Burton	  said details.
301006e2e882SPaul Burton
301106e2e882SPaul Burton	  If unsure, say N.
3012597ce172SPaul Burton
3013f2ffa5abSDezhong Diaoconfig USE_OF
30140b3e06fdSJonas Gorski	bool
3015f2ffa5abSDezhong Diao	select OF
3016e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3017abd2363fSGrant Likely	select IRQ_DOMAIN
3018f2ffa5abSDezhong Diao
30192fe8ea39SDengcheng Zhuconfig UHI_BOOT
30202fe8ea39SDengcheng Zhu	bool
30212fe8ea39SDengcheng Zhu
30227fafb068SAndrew Brestickerconfig BUILTIN_DTB
30237fafb068SAndrew Bresticker	bool
30247fafb068SAndrew Bresticker
30251da8f179SJonas Gorskichoice
30265b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
30271da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
30281da8f179SJonas Gorski
30291da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
30301da8f179SJonas Gorski		bool "None"
30311da8f179SJonas Gorski		help
30321da8f179SJonas Gorski		  Do not enable appended dtb support.
30331da8f179SJonas Gorski
303487db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
303587db537dSAaro Koskinen		bool "vmlinux"
303687db537dSAaro Koskinen		help
303787db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
303887db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
303987db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
304087db537dSAaro Koskinen		  objcopy:
304187db537dSAaro Koskinen
304287db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
304387db537dSAaro Koskinen
304418ff14c8SColin Ian King		  This is meant as a backward compatibility convenience for those
304587db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
304687db537dSAaro Koskinen		  the documented boot protocol using a device tree.
304787db537dSAaro Koskinen
30481da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3049b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30501da8f179SJonas Gorski		help
30511da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3052b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30531da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30541da8f179SJonas Gorski
30551da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30561da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30571da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30581da8f179SJonas Gorski
30591da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30601da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30611da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30621da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30631da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30641da8f179SJonas Gorskiendchoice
30651da8f179SJonas Gorski
30662024972eSJonas Gorskichoice
30672024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30682bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
306987fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
30702bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30712024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30722024972eSJonas Gorski
30732024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30742024972eSJonas Gorski		depends on USE_OF
30752024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30762024972eSJonas Gorski
30772024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30782024972eSJonas Gorski		depends on USE_OF
30792024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30802024972eSJonas Gorski
30812024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30822024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3083ed47e153SRabin Vincent
3084ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3085ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3086ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
30872024972eSJonas Gorskiendchoice
30882024972eSJonas Gorski
30895e83d430SRalf Baechleendmenu
30905e83d430SRalf Baechle
30911df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
30921df0f0ffSAtsushi Nemoto	bool
30931df0f0ffSAtsushi Nemoto	default y
30941df0f0ffSAtsushi Nemoto
30951df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
30961df0f0ffSAtsushi Nemoto	bool
30971df0f0ffSAtsushi Nemoto	default y
30981df0f0ffSAtsushi Nemoto
3099a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3100a728ab52SKirill A. Shutemov	int
31013377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
310241ce097fSHuang Pei	default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3103a728ab52SKirill A. Shutemov	default 2
3104a728ab52SKirill A. Shutemov
31056c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
31066c359eb1SPaul Burton	bool
31076c359eb1SPaul Burton
31081da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
31091da177e4SLinus Torvalds
3110c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
31112eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3112c5611df9SPaul Burton	bool
3113c5611df9SPaul Burton
3114c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3115c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3116c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
31172eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
31181da177e4SLinus Torvalds
31191da177e4SLinus Torvalds#
31201da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
31211da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
31221da177e4SLinus Torvalds# users to choose the right thing ...
31231da177e4SLinus Torvalds#
31241da177e4SLinus Torvaldsconfig ISA
31251da177e4SLinus Torvalds	bool
31261da177e4SLinus Torvalds
31271da177e4SLinus Torvaldsconfig TC
31281da177e4SLinus Torvalds	bool "TURBOchannel support"
31291da177e4SLinus Torvalds	depends on MACH_DECSTATION
31301da177e4SLinus Torvalds	help
313150a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
313250a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
313350a23e6eSJustin P. Mattock	  at:
313450a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
313550a23e6eSJustin P. Mattock	  and:
313650a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
313750a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
313850a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31391da177e4SLinus Torvalds
31401da177e4SLinus Torvaldsconfig MMU
31411da177e4SLinus Torvalds	bool
31421da177e4SLinus Torvalds	default y
31431da177e4SLinus Torvalds
3144109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3145109c32ffSMatt Redfearn	default 12 if 64BIT
3146109c32ffSMatt Redfearn	default 8
3147109c32ffSMatt Redfearn
3148109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3149109c32ffSMatt Redfearn	default 18 if 64BIT
3150109c32ffSMatt Redfearn	default 15
3151109c32ffSMatt Redfearn
3152109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3153109c32ffSMatt Redfearn	default 8
3154109c32ffSMatt Redfearn
3155109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3156109c32ffSMatt Redfearn	default 15
3157109c32ffSMatt Redfearn
3158d865bea4SRalf Baechleconfig I8253
3159d865bea4SRalf Baechle	bool
3160798778b8SRussell King	select CLKSRC_I8253
31612d02612fSThomas Gleixner	select CLKEVT_I8253
31629726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
31631da177e4SLinus Torvaldsendmenu
31641da177e4SLinus Torvalds
31651da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31661da177e4SLinus Torvalds	bool
31671da177e4SLinus Torvalds
31681da177e4SLinus Torvaldsconfig MIPS32_COMPAT
316978aaf956SRalf Baechle	bool
31701da177e4SLinus Torvalds
31711da177e4SLinus Torvaldsconfig COMPAT
31721da177e4SLinus Torvalds	bool
31731da177e4SLinus Torvalds
317405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
317505e43966SAtsushi Nemoto	bool
317605e43966SAtsushi Nemoto
31771da177e4SLinus Torvaldsconfig MIPS32_O32
31781da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
317978aaf956SRalf Baechle	depends on 64BIT
318078aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
318178aaf956SRalf Baechle	select COMPAT
318278aaf956SRalf Baechle	select MIPS32_COMPAT
318378aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31841da177e4SLinus Torvalds	help
31851da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
31861da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
31871da177e4SLinus Torvalds	  existing binaries are in this format.
31881da177e4SLinus Torvalds
31891da177e4SLinus Torvalds	  If unsure, say Y.
31901da177e4SLinus Torvalds
31911da177e4SLinus Torvaldsconfig MIPS32_N32
31921da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3193c22eacfeSRalf Baechle	depends on 64BIT
31945a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
319578aaf956SRalf Baechle	select COMPAT
319678aaf956SRalf Baechle	select MIPS32_COMPAT
319778aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31981da177e4SLinus Torvalds	help
31991da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
32001da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
32011da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
32021da177e4SLinus Torvalds	  cases.
32031da177e4SLinus Torvalds
32041da177e4SLinus Torvalds	  If unsure, say N.
32051da177e4SLinus Torvalds
3206d49fc692SNathan Chancellorconfig CC_HAS_MNO_BRANCH_LIKELY
3207d49fc692SNathan Chancellor	def_bool y
3208d49fc692SNathan Chancellor	depends on $(cc-option,-mno-branch-likely)
3209d49fc692SNathan Chancellor
32102116245eSRalf Baechlemenu "Power management options"
3211952fa954SRodolfo Giometti
3212363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3213363c55caSWu Zhangjin	def_bool y
32143f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3215363c55caSWu Zhangjin
3216f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3217f4cb5700SJohannes Berg	def_bool y
32183f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3219f4cb5700SJohannes Berg
32202116245eSRalf Baechlesource "kernel/power/Kconfig"
3221952fa954SRodolfo Giometti
32221da177e4SLinus Torvaldsendmenu
32231da177e4SLinus Torvalds
32247a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32257a998935SViresh Kumar	bool
32267a998935SViresh Kumar
32277a998935SViresh Kumarmenu "CPU Power Management"
3228c095ebafSPaul Burton
3229c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32307a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32317a998935SViresh Kumarendif
32329726b43aSWu Zhangjin
3233c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3234c095ebafSPaul Burton
3235c095ebafSPaul Burtonendmenu
3236c095ebafSPaul Burton
32372235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3238e91946d6SNathan Chancellor
3239e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig"
3240