xref: /linux/arch/mips/Kconfig (revision 7ecd19cfdfcbb625cc059dfa5b267d2436732c1c)
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
35bab1dde3SAlexander Lobakin	select GENERIC_FIND_FIRST_BIT
3624640f23SVincenzo Frascino	select GENERIC_GETTIMEOFDAY
37b962aeb0SPaul Burton	select GENERIC_IOMAP
3812597988SMatt Redfearn	select GENERIC_IRQ_PROBE
3912597988SMatt Redfearn	select GENERIC_IRQ_SHOW
406630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
41740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
42740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
43740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
44740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
45740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
4612597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
4712597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
4812597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
49446f062bSChristoph Hellwig	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
50906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
5112597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
5242b20995SArnd Bergmann	select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
53109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
54109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
55490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
56c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
5745e03e62SDaniel Silsby	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
582ff2b7ecSMasahiro Yamada	select HAVE_ASM_MODVERSIONS
5912597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
60490f561bSFrederic Weisbecker	select HAVE_TIF_NOHZ
6164575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
6212597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
6312597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
6412597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
6512597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
6601bdc58eSJohan Almbladh	select HAVE_EBPF_JIT if !CPU_MICROMIPS && \
6701bdc58eSJohan Almbladh				!CPU_DADDI_WORKAROUNDS && \
6801bdc58eSJohan Almbladh				!CPU_R4000_WORKAROUNDS && \
6901bdc58eSJohan Almbladh				!CPU_R4400_WORKAROUNDS
7012597988SMatt Redfearn	select HAVE_EXIT_THREAD
7167a929e0SChristoph Hellwig	select HAVE_FAST_GUP
7212597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
7329c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
7412597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
7534c01e41SAlexander Lobakin	select HAVE_GCC_PLUGINS
7634c01e41SAlexander Lobakin	select HAVE_GENERIC_VDSO
77b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
7812597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
7912597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
80c1bf207dSDavid Daney	select HAVE_KPROBES
81c1bf207dSDavid Daney	select HAVE_KRETPROBES
82c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
83786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
8442a0bb3fSPetr Mladek	select HAVE_NMI
8512597988SMatt Redfearn	select HAVE_PERF_EVENTS
861ddc96bdSTiezhu Yang	select HAVE_PERF_REGS
871ddc96bdSTiezhu Yang	select HAVE_PERF_USER_STACK_DUMP
8808bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
899ea141adSPaul Burton	select HAVE_RSEQ
9016c0f03fSHassan Naveed	select HAVE_SPARSE_SYSCALL_NR
91d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
9212597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
93a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
9412597988SMatt Redfearn	select IRQ_FORCED_THREADING
956630a8e5SChristoph Hellwig	select ISA if EISA
9612597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
9734c01e41SAlexander Lobakin	select MODULES_USE_ELF_RELA if MODULES && 64BIT
9812597988SMatt Redfearn	select PERF_USE_VMALLOC
99981aa1d3SThomas Gleixner	select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
10005a0a344SArnd Bergmann	select RTC_LIB
10112597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
1024aae683fSMasahiro Yamada	select TRACE_IRQFLAGS_SUPPORT
10312597988SMatt Redfearn	select VIRT_TO_BUS
1040bb87f05SAl Viro	select ARCH_HAS_ELFCORE_COMPAT
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
267d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
268d666cd02SKevin Cernekee	select BOOT_RAW
269d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
270d666cd02SKevin Cernekee	select USE_OF
271d666cd02SKevin Cernekee	select CEVT_R4K
272d666cd02SKevin Cernekee	select CSRC_R4K
273d666cd02SKevin Cernekee	select SYNC_R4K
274d666cd02SKevin Cernekee	select COMMON_CLK
275c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
27660b858f2SKevin Cernekee	select BCM7038_L1_IRQ
27760b858f2SKevin Cernekee	select BCM7120_L2_IRQ
27860b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
27967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
28060b858f2SKevin Cernekee	select DMA_NONCOHERENT
281d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
28260b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
283d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
284d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
28560b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
28660b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
28760b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
288d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
289d666cd02SKevin Cernekee	select SWAP_IO_SPACE
29060b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
29160b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
29260b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
29360b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2944dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
2951d987052SFlorian Fainelli	select HAVE_PCI
2961d987052SFlorian Fainelli	select PCI_DRIVERS_GENERIC
297d666cd02SKevin Cernekee	help
2985f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2995f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
3005f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
3015f2d4459SKevin Cernekee	  must be set appropriately for your board.
302d666cd02SKevin Cernekee
3031c0c13ebSAurelien Jarnoconfig BCM47XX
304c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
305fe08f8c2SHauke Mehrtens	select BOOT_RAW
30642f77542SRalf Baechle	select CEVT_R4K
307940f6b48SRalf Baechle	select CSRC_R4K
3081c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
309eb01d42aSChristoph Hellwig	select HAVE_PCI
31067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
311314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
312dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
3131c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
3141c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
315377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
3166507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
31725e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
318e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
319c949c0bcSRafał Miłecki	select GPIOLIB
320c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
321f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
3222ab71a02SRafał Miłecki	select BCM47XX_SPROM
323dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
3241c0c13ebSAurelien Jarno	help
3251c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
3261c0c13ebSAurelien Jarno
327e7300d04SMaxime Bizonconfig BCM63XX
328e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
329ae8de61cSFlorian Fainelli	select BOOT_RAW
330e7300d04SMaxime Bizon	select CEVT_R4K
331e7300d04SMaxime Bizon	select CSRC_R4K
332fc264022SJonas Gorski	select SYNC_R4K
333e7300d04SMaxime Bizon	select DMA_NONCOHERENT
33467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
335e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
336e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
337e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
3385eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS32_3300
3395eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS4350
3405eeaafc8SRandy Dunlap	select SYS_HAS_CPU_BMIPS4380
341e7300d04SMaxime Bizon	select SWAP_IO_SPACE
342d30a2b47SLinus Walleij	select GPIOLIB
343af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
344bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
345e7300d04SMaxime Bizon	help
346e7300d04SMaxime Bizon	  Support for BCM63XX based boards
347e7300d04SMaxime Bizon
3481da177e4SLinus Torvaldsconfig MIPS_COBALT
3493fa986faSMartin Michlmayr	bool "Cobalt Server"
35042f77542SRalf Baechle	select CEVT_R4K
351940f6b48SRalf Baechle	select CSRC_R4K
3521097c6acSYoichi Yuasa	select CEVT_GT641XX
3531da177e4SLinus Torvalds	select DMA_NONCOHERENT
354eb01d42aSChristoph Hellwig	select FORCE_PCI
355d865bea4SRalf Baechle	select I8253
3561da177e4SLinus Torvalds	select I8259
35767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
358d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
359252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3607cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3610a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
362ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3630e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3645e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
365e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3661da177e4SLinus Torvalds
3671da177e4SLinus Torvaldsconfig MACH_DECSTATION
3683fa986faSMartin Michlmayr	bool "DECstations"
3691da177e4SLinus Torvalds	select BOOT_ELF32
3706457d9fcSYoichi Yuasa	select CEVT_DS1287
37181d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3724247417dSYoichi Yuasa	select CSRC_IOASIC
37381d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
37420d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
37520d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
37620d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3771da177e4SLinus Torvalds	select DMA_NONCOHERENT
378ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
37967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3807cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3817cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
382ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3837d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3845e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3851723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3861723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3871723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
388930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3895e83d430SRalf Baechle	help
3901da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3911da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3921da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3931da177e4SLinus Torvalds
3941da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3951da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3961da177e4SLinus Torvalds
3971da177e4SLinus Torvalds		DECstation 5000/50
3981da177e4SLinus Torvalds		DECstation 5000/150
3991da177e4SLinus Torvalds		DECstation 5000/260
4001da177e4SLinus Torvalds		DECsystem 5900/260
4011da177e4SLinus Torvalds
4021da177e4SLinus Torvalds	  otherwise choose R3000.
4031da177e4SLinus Torvalds
4045e83d430SRalf Baechleconfig MACH_JAZZ
4053fa986faSMartin Michlmayr	bool "Jazz family of machines"
40639b2d756SThomas Bogendoerfer	select ARC_MEMORY
40739b2d756SThomas Bogendoerfer	select ARC_PROMLIB
408a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
4097a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
4102f9237d4SChristoph Hellwig	select DMA_OPS
4110e2794b0SRalf Baechle	select FW_ARC
4120e2794b0SRalf Baechle	select FW_ARC32
4135e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
41442f77542SRalf Baechle	select CEVT_R4K
415940f6b48SRalf Baechle	select CSRC_R4K
416e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
4175e83d430SRalf Baechle	select GENERIC_ISA_DMA
4188a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
41967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
420d865bea4SRalf Baechle	select I8253
4215e83d430SRalf Baechle	select I8259
4225e83d430SRalf Baechle	select ISA
4237cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
4245e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
4257d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
4261723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
427aadfe4b5SArnd Bergmann	select SYS_SUPPORTS_LITTLE_ENDIAN
4281da177e4SLinus Torvalds	help
4295e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
4305e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
431692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
4325e83d430SRalf Baechle	  Olivetti M700-10 workstations.
4335e83d430SRalf Baechle
434f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC
435de361e8bSPaul Burton	bool "Ingenic SoC based machines"
436f0f4a753SPaul Cercueil	select MIPS_GENERIC
437f0f4a753SPaul Cercueil	select MACH_INGENIC
438f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
439eb384937SPaul Cercueil	select CPU_SUPPORTS_CPUFREQ
440eb384937SPaul Cercueil	select MIPS_EXTERNAL_TIMER
4415ebabe59SLars-Peter Clausen
442171bb2f1SJohn Crispinconfig LANTIQ
443171bb2f1SJohn Crispin	bool "Lantiq based platforms"
444171bb2f1SJohn Crispin	select DMA_NONCOHERENT
44567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
446171bb2f1SJohn Crispin	select CEVT_R4K
447171bb2f1SJohn Crispin	select CSRC_R4K
448171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
449171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
450171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
451171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
452377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
453171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
454f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
455171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
456d30a2b47SLinus Walleij	select GPIOLIB
457171bb2f1SJohn Crispin	select SWAP_IO_SPACE
458171bb2f1SJohn Crispin	select BOOT_RAW
459bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
460a0392222SJohn Crispin	select USE_OF
4613f8c50c9SJohn Crispin	select PINCTRL
4623f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
463c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
464c530781cSJohn Crispin	select RESET_CONTROLLER
465171bb2f1SJohn Crispin
46630ad29bbSHuacai Chenconfig MACH_LOONGSON32
467caed1d1bSHuacai Chen	bool "Loongson 32-bit family of machines"
468c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
469ade299d8SYoichi Yuasa	help
47030ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
47185749d24SWu Zhangjin
47230ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
47330ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
47430ad29bbSHuacai Chen	  Sciences (CAS).
475ade299d8SYoichi Yuasa
47671e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
47771e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
478ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
479ca585cf9SKelvin Cheung	help
48071e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
481ca585cf9SKelvin Cheung
48271e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
483caed1d1bSHuacai Chen	bool "Loongson 64-bit family of machines"
4846fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
4856fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
4866fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
4876fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
4886fbde6b4SJiaxun Yang	select BOOT_ELF32
4896fbde6b4SJiaxun Yang	select BOARD_SCACHE
4906fbde6b4SJiaxun Yang	select CSRC_R4K
4916fbde6b4SJiaxun Yang	select CEVT_R4K
4926fbde6b4SJiaxun Yang	select CPU_HAS_WB
4936fbde6b4SJiaxun Yang	select FORCE_PCI
4946fbde6b4SJiaxun Yang	select ISA
4956fbde6b4SJiaxun Yang	select I8259
4966fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
4977d6d2837SJiaxun Yang	select NO_EXCEPT_FILL
4985125bfeeSTiezhu Yang	select NR_CPUS_DEFAULT_64
4996fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
5006423e59aSJiaxun Yang	select PCI_DRIVERS_GENERIC
5016fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
5026fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
5036fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
5046fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
5056fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
5066fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
5076fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
5086fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
50971e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
510a307a4ceSJinyang He	select SYS_SUPPORTS_RELOCATABLE
5116fbde6b4SJiaxun Yang	select ZONE_DMA32
51287fcfa7bSJiaxun Yang	select COMMON_CLK
51387fcfa7bSJiaxun Yang	select USE_OF
51487fcfa7bSJiaxun Yang	select BUILTIN_DTB
51539c1485cSHuacai Chen	select PCI_HOST_GENERIC
51671e2f4ddSJiaxun Yang	help
517caed1d1bSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
518caed1d1bSHuacai Chen
519caed1d1bSHuacai Chen	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
520caed1d1bSHuacai Chen	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
521caed1d1bSHuacai Chen	  and Loongson-2F which will be removed), developed by the Institute
522caed1d1bSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
523ca585cf9SKelvin Cheung
5241da177e4SLinus Torvaldsconfig MIPS_MALTA
5253fa986faSMartin Michlmayr	bool "MIPS Malta board"
52661ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
527a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5287a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5291da177e4SLinus Torvalds	select BOOT_ELF32
530fa71c960SRalf Baechle	select BOOT_RAW
531e8823d26SPaul Burton	select BUILTIN_DTB
53242f77542SRalf Baechle	select CEVT_R4K
533fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
53442b002abSGuenter Roeck	select COMMON_CLK
53547bf2b03SMaksym Kokhan	select CSRC_R4K
536a86497d6SChristoph Hellwig	select DMA_NONCOHERENT
5371da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5388a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
539eb01d42aSChristoph Hellwig	select HAVE_PCI
540d865bea4SRalf Baechle	select I8253
5411da177e4SLinus Torvalds	select I8259
54247bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
5435e83d430SRalf Baechle	select MIPS_BONITO64
5449318c51aSChris Dearman	select MIPS_CPU_SCACHE
54547bf2b03SMaksym Kokhan	select MIPS_GIC
546a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5475e83d430SRalf Baechle	select MIPS_MSC
54847bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
549ecafe3e9SPaul Burton	select SMP_UP if SMP
5501da177e4SLinus Torvalds	select SWAP_IO_SPACE
5517cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5527cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
553bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
554c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
555575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5567cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5575d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
558575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5597cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5607cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
561ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
562ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5635e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
564c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5655e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
566424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
56747bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5680365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
569e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
570f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
57147bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5729693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
573f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5741b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
575e8823d26SPaul Burton	select USE_OF
576886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
577abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5781da177e4SLinus Torvalds	help
579f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5801da177e4SLinus Torvalds	  board.
5811da177e4SLinus Torvalds
5822572f00dSJoshua Hendersonconfig MACH_PIC32
5832572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5842572f00dSJoshua Henderson	help
5852572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5862572f00dSJoshua Henderson
5872572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5882572f00dSJoshua Henderson	  microcontrollers.
5892572f00dSJoshua Henderson
5905e83d430SRalf Baechleconfig MACH_VR41XX
59174142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
59242f77542SRalf Baechle	select CEVT_R4K
593940f6b48SRalf Baechle	select CSRC_R4K
5947cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
595377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
596d30a2b47SLinus Walleij	select GPIOLIB
5975e83d430SRalf Baechle
598baec970aSLauri Kasanenconfig MACH_NINTENDO64
599baec970aSLauri Kasanen	bool "Nintendo 64 console"
600baec970aSLauri Kasanen	select CEVT_R4K
601baec970aSLauri Kasanen	select CSRC_R4K
602baec970aSLauri Kasanen	select SYS_HAS_CPU_R4300
603baec970aSLauri Kasanen	select SYS_SUPPORTS_BIG_ENDIAN
604baec970aSLauri Kasanen	select SYS_SUPPORTS_ZBOOT
605baec970aSLauri Kasanen	select SYS_SUPPORTS_32BIT_KERNEL
606baec970aSLauri Kasanen	select SYS_SUPPORTS_64BIT_KERNEL
607baec970aSLauri Kasanen	select DMA_NONCOHERENT
608baec970aSLauri Kasanen	select IRQ_MIPS_CPU
609baec970aSLauri Kasanen
610ae2b5bb6SJohn Crispinconfig RALINK
611ae2b5bb6SJohn Crispin	bool "Ralink based machines"
612ae2b5bb6SJohn Crispin	select CEVT_R4K
61335f752beSArnd Bergmann	select COMMON_CLK
614ae2b5bb6SJohn Crispin	select CSRC_R4K
615ae2b5bb6SJohn Crispin	select BOOT_RAW
616ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
61767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
618ae2b5bb6SJohn Crispin	select USE_OF
619ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
620ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
621ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
622ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
623377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
6241f0400d0SChuanhong Guo	select SYS_SUPPORTS_ZBOOT
625ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
6262a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6272a153f1cSJohn Crispin	select RESET_CONTROLLER
628ae2b5bb6SJohn Crispin
6294042147aSBert Vermeulenconfig MACH_REALTEK_RTL
6304042147aSBert Vermeulen	bool "Realtek RTL838x/RTL839x based machines"
6314042147aSBert Vermeulen	select MIPS_GENERIC
6324042147aSBert Vermeulen	select DMA_NONCOHERENT
6334042147aSBert Vermeulen	select IRQ_MIPS_CPU
6344042147aSBert Vermeulen	select CSRC_R4K
6354042147aSBert Vermeulen	select CEVT_R4K
6364042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R1
6374042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R2
6384042147aSBert Vermeulen	select SYS_SUPPORTS_BIG_ENDIAN
6394042147aSBert Vermeulen	select SYS_SUPPORTS_32BIT_KERNEL
6404042147aSBert Vermeulen	select SYS_SUPPORTS_MIPS16
6414042147aSBert Vermeulen	select SYS_SUPPORTS_MULTITHREADING
6424042147aSBert Vermeulen	select SYS_SUPPORTS_VPE_LOADER
6434042147aSBert Vermeulen	select SYS_HAS_EARLY_PRINTK
6444042147aSBert Vermeulen	select SYS_HAS_EARLY_PRINTK_8250
6454042147aSBert Vermeulen	select USE_GENERIC_EARLY_PRINTK_8250
6464042147aSBert Vermeulen	select BOOT_RAW
6474042147aSBert Vermeulen	select PINCTRL
6484042147aSBert Vermeulen	select USE_OF
6494042147aSBert Vermeulen
6501da177e4SLinus Torvaldsconfig SGI_IP22
6513fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
652c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
65339b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6540e2794b0SRalf Baechle	select FW_ARC
6550e2794b0SRalf Baechle	select FW_ARC32
6567a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6571da177e4SLinus Torvalds	select BOOT_ELF32
65842f77542SRalf Baechle	select CEVT_R4K
659940f6b48SRalf Baechle	select CSRC_R4K
660e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6611da177e4SLinus Torvalds	select DMA_NONCOHERENT
6626630a8e5SChristoph Hellwig	select HAVE_EISA
663d865bea4SRalf Baechle	select I8253
66468de4803SThomas Bogendoerfer	select I8259
6651da177e4SLinus Torvalds	select IP22_CPU_SCACHE
66667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
667aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
668e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
669e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
67036e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
671e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
672e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
673e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6741da177e4SLinus Torvalds	select SWAP_IO_SPACE
6757cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6767cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
677c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
678ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
679ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6805e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
681802b8362SThomas Bogendoerfer	select WAR_R4600_V1_INDEX_ICACHEOP
6825e5b6527SThomas Bogendoerfer	select WAR_R4600_V1_HIT_CACHEOP
68344def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
684930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6851da177e4SLinus Torvalds	help
6861da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6871da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6881da177e4SLinus Torvalds	  that runs on these, say Y here.
6891da177e4SLinus Torvalds
6901da177e4SLinus Torvaldsconfig SGI_IP27
6913fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
69254aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
693397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
6940e2794b0SRalf Baechle	select FW_ARC
6950e2794b0SRalf Baechle	select FW_ARC64
696e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
6975e83d430SRalf Baechle	select BOOT_ELF64
698e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
69904100459SChristoph Hellwig	select FORCE_PCI
70036a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
701eb01d42aSChristoph Hellwig	select HAVE_PCI
70269a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
703e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
704130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
705a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
706a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7077cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
708ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7095e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
710d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
7111a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
712256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
713930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7146c86a302SMike Rapoport	select NUMA
7151da177e4SLinus Torvalds	help
7161da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
7171da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
7181da177e4SLinus Torvalds	  here.
7191da177e4SLinus Torvalds
720e2defae5SThomas Bogendoerferconfig SGI_IP28
7217d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
722c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
72339b2d756SThomas Bogendoerfer	select ARC_PROMLIB
7240e2794b0SRalf Baechle	select FW_ARC
7250e2794b0SRalf Baechle	select FW_ARC64
7267a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
727e2defae5SThomas Bogendoerfer	select BOOT_ELF64
728e2defae5SThomas Bogendoerfer	select CEVT_R4K
729e2defae5SThomas Bogendoerfer	select CSRC_R4K
730e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
731e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
732e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
73367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7346630a8e5SChristoph Hellwig	select HAVE_EISA
735e2defae5SThomas Bogendoerfer	select I8253
736e2defae5SThomas Bogendoerfer	select I8259
737e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
738e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7395b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
740e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
741e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
742e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
743e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
744e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
745c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
746e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
747e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
748256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
749dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
750e2defae5SThomas Bogendoerfer	help
751e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
752e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
753e2defae5SThomas Bogendoerfer
7547505576dSThomas Bogendoerferconfig SGI_IP30
7557505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7567505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7577505576dSThomas Bogendoerfer	select FW_ARC
7587505576dSThomas Bogendoerfer	select FW_ARC64
7597505576dSThomas Bogendoerfer	select BOOT_ELF64
7607505576dSThomas Bogendoerfer	select CEVT_R4K
7617505576dSThomas Bogendoerfer	select CSRC_R4K
76204100459SChristoph Hellwig	select FORCE_PCI
7637505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7647505576dSThomas Bogendoerfer	select ZONE_DMA32
7657505576dSThomas Bogendoerfer	select HAVE_PCI
7667505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7677505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7687505576dSThomas Bogendoerfer	select NR_CPUS_DEFAULT_2
7697505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7707505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7717505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7727505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7737505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7747505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7757505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
776256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
7777505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7787505576dSThomas Bogendoerfer	select ARC_MEMORY
7797505576dSThomas Bogendoerfer	help
7807505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
7817505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
7827505576dSThomas Bogendoerfer
7831da177e4SLinus Torvaldsconfig SGI_IP32
784cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
78539b2d756SThomas Bogendoerfer	select ARC_MEMORY
78639b2d756SThomas Bogendoerfer	select ARC_PROMLIB
78703df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7880e2794b0SRalf Baechle	select FW_ARC
7890e2794b0SRalf Baechle	select FW_ARC32
7901da177e4SLinus Torvalds	select BOOT_ELF32
79142f77542SRalf Baechle	select CEVT_R4K
792940f6b48SRalf Baechle	select CSRC_R4K
7931da177e4SLinus Torvalds	select DMA_NONCOHERENT
794eb01d42aSChristoph Hellwig	select HAVE_PCI
79567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7961da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7971da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7987cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7997cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
8007cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
801dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
802ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
8035e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
804886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
8051da177e4SLinus Torvalds	help
8061da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
8071da177e4SLinus Torvalds
808ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
809ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
8105e83d430SRalf Baechle	select BOOT_ELF32
8115e83d430SRalf Baechle	select SIBYTE_BCM1120
8125e83d430SRalf Baechle	select SWAP_IO_SPACE
8137cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8145e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8155e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8165e83d430SRalf Baechle
817ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
818ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
8195e83d430SRalf Baechle	select BOOT_ELF32
8205e83d430SRalf Baechle	select SIBYTE_BCM1120
8215e83d430SRalf Baechle	select SWAP_IO_SPACE
8227cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8235e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8245e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8255e83d430SRalf Baechle
8265e83d430SRalf Baechleconfig SIBYTE_CRHONE
8273fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
8285e83d430SRalf Baechle	select BOOT_ELF32
8295e83d430SRalf Baechle	select SIBYTE_BCM1125
8305e83d430SRalf Baechle	select SWAP_IO_SPACE
8317cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8325e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8335e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8345e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8355e83d430SRalf Baechle
836ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
837ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
838ade299d8SYoichi Yuasa	select BOOT_ELF32
839ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
840ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
841ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
842ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
843ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
844ade299d8SYoichi Yuasa
845ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
846ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
847ade299d8SYoichi Yuasa	select BOOT_ELF32
848fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
849ade299d8SYoichi Yuasa	select SIBYTE_SB1250
850ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
851ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
852ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
853ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
854ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
855cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
856e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
857ade299d8SYoichi Yuasa
858ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
859ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
860ade299d8SYoichi Yuasa	select BOOT_ELF32
861fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
862ade299d8SYoichi Yuasa	select SIBYTE_SB1250
863ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
864ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
865ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
866ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
867ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
868756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
869ade299d8SYoichi Yuasa
870ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
871ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
872ade299d8SYoichi Yuasa	select BOOT_ELF32
873ade299d8SYoichi Yuasa	select SIBYTE_SB1250
874ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
875ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
876ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
877ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
878e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
879ade299d8SYoichi Yuasa
880ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
881ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
882ade299d8SYoichi Yuasa	select BOOT_ELF32
883ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
884ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
885ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
886ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
887ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
888651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
889ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
890cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
891e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
892ade299d8SYoichi Yuasa
89314b36af4SThomas Bogendoerferconfig SNI_RM
89414b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
89539b2d756SThomas Bogendoerfer	select ARC_MEMORY
89639b2d756SThomas Bogendoerfer	select ARC_PROMLIB
8970e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8980e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
899aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
9005e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
901a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
9027a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
9035e83d430SRalf Baechle	select BOOT_ELF32
90442f77542SRalf Baechle	select CEVT_R4K
905940f6b48SRalf Baechle	select CSRC_R4K
906e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
9075e83d430SRalf Baechle	select DMA_NONCOHERENT
9085e83d430SRalf Baechle	select GENERIC_ISA_DMA
9096630a8e5SChristoph Hellwig	select HAVE_EISA
9108a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
911eb01d42aSChristoph Hellwig	select HAVE_PCI
91267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
913d865bea4SRalf Baechle	select I8253
9145e83d430SRalf Baechle	select I8259
9155e83d430SRalf Baechle	select ISA
916564c836fSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_6
9174a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
9187cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
9194a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
920c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
9214a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
92236a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
923ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
9247d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
9254a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
9265e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
9275e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
92844def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
9291da177e4SLinus Torvalds	help
93014b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
93114b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
9325e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
9335e83d430SRalf Baechle	  support this machine type.
9341da177e4SLinus Torvalds
935edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
936edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9375e83d430SRalf Baechle
938edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
939edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
94024a1c023SThomas Bogendoerfer	select WAR_TX49XX_ICACHE_INDEX_INV
94123fbee9dSRalf Baechle
94273b4390fSRalf Baechleconfig MIKROTIK_RB532
94373b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
94473b4390fSRalf Baechle	select CEVT_R4K
94573b4390fSRalf Baechle	select CSRC_R4K
94673b4390fSRalf Baechle	select DMA_NONCOHERENT
947eb01d42aSChristoph Hellwig	select HAVE_PCI
94867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
94973b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
95073b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
95173b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
95273b4390fSRalf Baechle	select SWAP_IO_SPACE
95373b4390fSRalf Baechle	select BOOT_RAW
954d30a2b47SLinus Walleij	select GPIOLIB
955930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
95673b4390fSRalf Baechle	help
95773b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
95873b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
95973b4390fSRalf Baechle
9609ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9619ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
962a86c7f72SDavid Daney	select CEVT_R4K
963ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9641753d50cSChristoph Hellwig	select HAVE_RAPIDIO
965d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
966a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
967a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
968f65aad41SRalf Baechle	select EDAC_SUPPORT
969b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
97073569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
97173569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9735e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
974eb01d42aSChristoph Hellwig	select HAVE_PCI
97578bdbbacSMasahiro Yamada	select HAVE_PLAT_DELAY
97678bdbbacSMasahiro Yamada	select HAVE_PLAT_FW_INIT_CMDLINE
97778bdbbacSMasahiro Yamada	select HAVE_PLAT_MEMCPY
978f00e001eSDavid Daney	select ZONE_DMA32
979d30a2b47SLinus Walleij	select GPIOLIB
9806e511163SDavid Daney	select USE_OF
9816e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9826e511163SDavid Daney	select SYS_SUPPORTS_SMP
9837820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9847820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
985e326479fSAndrew Bresticker	select BUILTIN_DTB
986f766b28aSJulian Braha	select MTD
9878c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
98809230cbcSChristoph Hellwig	select SWIOTLB
9893ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
990a86c7f72SDavid Daney	help
991a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
992a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
993a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
994a86c7f72SDavid Daney	  Some of the supported boards are:
995a86c7f72SDavid Daney		EBT3000
996a86c7f72SDavid Daney		EBH3000
997a86c7f72SDavid Daney		EBH3100
998a86c7f72SDavid Daney		Thunder
999a86c7f72SDavid Daney		Kodama
1000a86c7f72SDavid Daney		Hikari
1001a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
1002a86c7f72SDavid Daney
10031da177e4SLinus Torvaldsendchoice
10041da177e4SLinus Torvalds
1005e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10063b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1007d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1008a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1009e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10108945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1011eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
1012a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig"
10135e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10148ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10152572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1016ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
101729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
101838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
101922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10205e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1021a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
102271e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
102330ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
102430ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
102538b18f72SRalf Baechle
10265e83d430SRalf Baechleendmenu
10275e83d430SRalf Baechle
10283c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10293c9ee7efSAkinobu Mita	bool
10303c9ee7efSAkinobu Mita	default y
10313c9ee7efSAkinobu Mita
10321da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10331da177e4SLinus Torvalds	bool
10341da177e4SLinus Torvalds	default y
10351da177e4SLinus Torvalds
1036ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10371cc89038SAtsushi Nemoto	bool
10381cc89038SAtsushi Nemoto	default y
10391cc89038SAtsushi Nemoto
10401da177e4SLinus Torvalds#
10411da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10421da177e4SLinus Torvalds#
10430e2794b0SRalf Baechleconfig FW_ARC
10441da177e4SLinus Torvalds	bool
10451da177e4SLinus Torvalds
104661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
104761ed242dSRalf Baechle	bool
104861ed242dSRalf Baechle
10499267a30dSMarc St-Jeanconfig BOOT_RAW
10509267a30dSMarc St-Jean	bool
10519267a30dSMarc St-Jean
1052217dd11eSRalf Baechleconfig CEVT_BCM1480
1053217dd11eSRalf Baechle	bool
1054217dd11eSRalf Baechle
10556457d9fcSYoichi Yuasaconfig CEVT_DS1287
10566457d9fcSYoichi Yuasa	bool
10576457d9fcSYoichi Yuasa
10581097c6acSYoichi Yuasaconfig CEVT_GT641XX
10591097c6acSYoichi Yuasa	bool
10601097c6acSYoichi Yuasa
106142f77542SRalf Baechleconfig CEVT_R4K
106242f77542SRalf Baechle	bool
106342f77542SRalf Baechle
1064217dd11eSRalf Baechleconfig CEVT_SB1250
1065217dd11eSRalf Baechle	bool
1066217dd11eSRalf Baechle
1067229f773eSAtsushi Nemotoconfig CEVT_TXX9
1068229f773eSAtsushi Nemoto	bool
1069229f773eSAtsushi Nemoto
1070217dd11eSRalf Baechleconfig CSRC_BCM1480
1071217dd11eSRalf Baechle	bool
1072217dd11eSRalf Baechle
10734247417dSYoichi Yuasaconfig CSRC_IOASIC
10744247417dSYoichi Yuasa	bool
10754247417dSYoichi Yuasa
1076940f6b48SRalf Baechleconfig CSRC_R4K
107738586428SSerge Semin	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1078940f6b48SRalf Baechle	bool
1079940f6b48SRalf Baechle
1080217dd11eSRalf Baechleconfig CSRC_SB1250
1081217dd11eSRalf Baechle	bool
1082217dd11eSRalf Baechle
1083a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1084a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1085a7f4df4eSAlex Smith
1086a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1087d30a2b47SLinus Walleij	select GPIOLIB
1088a9aec7feSAtsushi Nemoto	bool
1089a9aec7feSAtsushi Nemoto
10900e2794b0SRalf Baechleconfig FW_CFE
1091df78b5c8SAurelien Jarno	bool
1092df78b5c8SAurelien Jarno
109340e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
109440e084a5SRalf Baechle	bool
109540e084a5SRalf Baechle
109620d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
109720d33064SPaul Burton	bool
1098347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
10995748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
110020d33064SPaul Burton
11011da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11021da177e4SLinus Torvalds	bool
1103db91427bSChristoph Hellwig	#
1104db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1105db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1106db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1107db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1108db91427bSChristoph Hellwig	# significant advantages.
1109db91427bSChristoph Hellwig	#
1110419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1111fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_PREP_COHERENT
1112f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1113fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_SET_UNCACHED
111434dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
111534dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11164ce588cdSRalf Baechle
111736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11181da177e4SLinus Torvalds	bool
11191da177e4SLinus Torvalds
11201b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1121dbb74540SRalf Baechle	bool
1122dbb74540SRalf Baechle
11231da177e4SLinus Torvaldsconfig MIPS_BONITO64
11241da177e4SLinus Torvalds	bool
11251da177e4SLinus Torvalds
11261da177e4SLinus Torvaldsconfig MIPS_MSC
11271da177e4SLinus Torvalds	bool
11281da177e4SLinus Torvalds
112939b8d525SRalf Baechleconfig SYNC_R4K
113039b8d525SRalf Baechle	bool
113139b8d525SRalf Baechle
1132ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1133d388d685SMaciej W. Rozycki	def_bool n
1134d388d685SMaciej W. Rozycki
11354e0748f5SMarkos Chandrasconfig GENERIC_CSUM
113618d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
11374e0748f5SMarkos Chandras
11388313da30SRalf Baechleconfig GENERIC_ISA_DMA
11398313da30SRalf Baechle	bool
11408313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1141a35bee8aSNamhyung Kim	select ISA_DMA_API
11428313da30SRalf Baechle
1143aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1144aa414dffSRalf Baechle	bool
11458313da30SRalf Baechle	select GENERIC_ISA_DMA
1146aa414dffSRalf Baechle
114778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY
114878bdbbacSMasahiro Yamada	bool
114978bdbbacSMasahiro Yamada
115078bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE
115178bdbbacSMasahiro Yamada	bool
115278bdbbacSMasahiro Yamada
115378bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY
115478bdbbacSMasahiro Yamada	bool
115578bdbbacSMasahiro Yamada
1156a35bee8aSNamhyung Kimconfig ISA_DMA_API
1157a35bee8aSNamhyung Kim	bool
1158a35bee8aSNamhyung Kim
11598c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
11608c530ea3SMatt Redfearn	bool
11618c530ea3SMatt Redfearn	help
11628c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
11638c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
11648c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
11658c530ea3SMatt Redfearn
11665e83d430SRalf Baechle#
11676b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
11685e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
11695e83d430SRalf Baechle# choice statement should be more obvious to the user.
11705e83d430SRalf Baechle#
11715e83d430SRalf Baechlechoice
11726b2aac42SMasanari Iida	prompt "Endianness selection"
11731da177e4SLinus Torvalds	help
11741da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
11755e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
11763cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
11775e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
11783dde6ad8SDavid Sterba	  one or the other endianness.
11795e83d430SRalf Baechle
11805e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
11815e83d430SRalf Baechle	bool "Big endian"
11825e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
11835e83d430SRalf Baechle
11845e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
11855e83d430SRalf Baechle	bool "Little endian"
11865e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
11875e83d430SRalf Baechle
11885e83d430SRalf Baechleendchoice
11895e83d430SRalf Baechle
119022b0763aSDavid Daneyconfig EXPORT_UASM
119122b0763aSDavid Daney	bool
119222b0763aSDavid Daney
11932116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
11942116245eSRalf Baechle	bool
11952116245eSRalf Baechle
11965e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
11975e83d430SRalf Baechle	bool
11985e83d430SRalf Baechle
11995e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12005e83d430SRalf Baechle	bool
12011da177e4SLinus Torvalds
1202aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1203aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1204aa1762f4SDavid Daney
12059267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12069267a30dSMarc St-Jean	bool
12079267a30dSMarc St-Jean
12089267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12099267a30dSMarc St-Jean	bool
12109267a30dSMarc St-Jean
12118420fd00SAtsushi Nemotoconfig IRQ_TXX9
12128420fd00SAtsushi Nemoto	bool
12138420fd00SAtsushi Nemoto
1214d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1215d5ab1a69SYoichi Yuasa	bool
1216d5ab1a69SYoichi Yuasa
1217252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12181da177e4SLinus Torvalds	bool
12191da177e4SLinus Torvalds
1220a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1221a57140e9SThomas Bogendoerfer	bool
1222a57140e9SThomas Bogendoerfer
12239267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12249267a30dSMarc St-Jean	bool
12259267a30dSMarc St-Jean
1226a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1227a7e07b1aSMarkos Chandras	bool
1228a7e07b1aSMarkos Chandras
12291da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12301da177e4SLinus Torvalds	bool
12311da177e4SLinus Torvalds
1232e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1233e2defae5SThomas Bogendoerfer	bool
1234e2defae5SThomas Bogendoerfer
12355b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12365b438c44SThomas Bogendoerfer	bool
12375b438c44SThomas Bogendoerfer
1238e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1239e2defae5SThomas Bogendoerfer	bool
1240e2defae5SThomas Bogendoerfer
1241e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1242e2defae5SThomas Bogendoerfer	bool
1243e2defae5SThomas Bogendoerfer
1244e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1245e2defae5SThomas Bogendoerfer	bool
1246e2defae5SThomas Bogendoerfer
1247e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1248e2defae5SThomas Bogendoerfer	bool
1249e2defae5SThomas Bogendoerfer
1250e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1251e2defae5SThomas Bogendoerfer	bool
1252e2defae5SThomas Bogendoerfer
12530e2794b0SRalf Baechleconfig FW_ARC32
12545e83d430SRalf Baechle	bool
12555e83d430SRalf Baechle
1256aaa9fad3SPaul Bolleconfig FW_SNIPROM
1257231a35d3SThomas Bogendoerfer	bool
1258231a35d3SThomas Bogendoerfer
12591da177e4SLinus Torvaldsconfig BOOT_ELF32
12601da177e4SLinus Torvalds	bool
12611da177e4SLinus Torvalds
1262930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1263930beb5aSFlorian Fainelli	bool
1264930beb5aSFlorian Fainelli
1265930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1266930beb5aSFlorian Fainelli	bool
1267930beb5aSFlorian Fainelli
1268930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1269930beb5aSFlorian Fainelli	bool
1270930beb5aSFlorian Fainelli
1271930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1272930beb5aSFlorian Fainelli	bool
1273930beb5aSFlorian Fainelli
12741da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
12751da177e4SLinus Torvalds	int
1276a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
12775432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
12785432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
12795432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
12801da177e4SLinus Torvalds	default "5"
12811da177e4SLinus Torvalds
1282e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1283e9422427SThomas Bogendoerfer	bool
1284e9422427SThomas Bogendoerfer
12851da177e4SLinus Torvaldsconfig ARC_CONSOLE
12861da177e4SLinus Torvalds	bool "ARC console support"
1287e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
12881da177e4SLinus Torvalds
12891da177e4SLinus Torvaldsconfig ARC_MEMORY
12901da177e4SLinus Torvalds	bool
12911da177e4SLinus Torvalds
12921da177e4SLinus Torvaldsconfig ARC_PROMLIB
12931da177e4SLinus Torvalds	bool
12941da177e4SLinus Torvalds
12950e2794b0SRalf Baechleconfig FW_ARC64
12961da177e4SLinus Torvalds	bool
12971da177e4SLinus Torvalds
12981da177e4SLinus Torvaldsconfig BOOT_ELF64
12991da177e4SLinus Torvalds	bool
13001da177e4SLinus Torvalds
13011da177e4SLinus Torvaldsmenu "CPU selection"
13021da177e4SLinus Torvalds
13031da177e4SLinus Torvaldschoice
13041da177e4SLinus Torvalds	prompt "CPU type"
13051da177e4SLinus Torvalds	default CPU_R4X00
13061da177e4SLinus Torvalds
1307268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1308caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1309268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1310d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
131151522217SJiaxun Yang	select CPU_MIPSR2
131251522217SJiaxun Yang	select CPU_HAS_PREFETCH
13130e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13140e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13150e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
13167507445bSHuacai Chen	select CPU_SUPPORTS_MSA
131751522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
131851522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
13190e476d91SHuacai Chen	select WEAK_ORDERING
13200e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
13217507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1322b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
132317c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
13247f3b3c2bSJackie Liu	select MIPS_FP_SUPPORT
1325d30a2b47SLinus Walleij	select GPIOLIB
132609230cbcSChristoph Hellwig	select SWIOTLB
13270f78355cSHuacai Chen	select HAVE_KVM
13280e476d91SHuacai Chen	help
1329caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1330caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1331caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1332caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1333caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
13340e476d91SHuacai Chen
1335caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1336caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
13371e820da3SHuacai Chen	default n
1338268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
13391e820da3SHuacai Chen	help
1340caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
13411e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1342268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
13431e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
13441e820da3SHuacai Chen	  Fast TLB refill support, etc.
13451e820da3SHuacai Chen
13461e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
13471e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
13481e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1349caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
13501e820da3SHuacai Chen
1351e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1352caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1353e02e07e3SHuacai Chen	default y if SMP
1354268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1355e02e07e3SHuacai Chen	help
1356caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1357e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1358e02e07e3SHuacai Chen
1359caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1360e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1361e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1362e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1363e02e07e3SHuacai Chen
1364e02e07e3SHuacai Chen	  If unsure, please say Y.
1365e02e07e3SHuacai Chen
1366ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION
1367ec7a9318SWANG Xuerui	bool "Emulate the CPUCFG instruction on older Loongson cores"
1368ec7a9318SWANG Xuerui	default y
1369ec7a9318SWANG Xuerui	depends on CPU_LOONGSON64
1370ec7a9318SWANG Xuerui	help
1371ec7a9318SWANG Xuerui	  Loongson-3A R4 and newer have the CPUCFG instruction available for
1372ec7a9318SWANG Xuerui	  userland to query CPU capabilities, much like CPUID on x86. This
1373ec7a9318SWANG Xuerui	  option provides emulation of the instruction on older Loongson
1374ec7a9318SWANG Xuerui	  cores, back to Loongson-3A1000.
1375ec7a9318SWANG Xuerui
1376ec7a9318SWANG Xuerui	  If unsure, please say Y.
1377ec7a9318SWANG Xuerui
13783702bba5SWu Zhangjinconfig CPU_LOONGSON2E
13793702bba5SWu Zhangjin	bool "Loongson 2E"
13803702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1381268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
13822a21c730SFuxin Zhang	help
13832a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
13842a21c730SFuxin Zhang	  with many extensions.
13852a21c730SFuxin Zhang
138625985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
13876f7a251aSWu Zhangjin	  bonito64.
13886f7a251aSWu Zhangjin
13896f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
13906f7a251aSWu Zhangjin	bool "Loongson 2F"
13916f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1392268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1393d30a2b47SLinus Walleij	select GPIOLIB
13946f7a251aSWu Zhangjin	help
13956f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
13966f7a251aSWu Zhangjin	  with many extensions.
13976f7a251aSWu Zhangjin
13986f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
13996f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
14006f7a251aSWu Zhangjin	  Loongson2E.
14016f7a251aSWu Zhangjin
1402ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1403ca585cf9SKelvin Cheung	bool "Loongson 1B"
1404ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1405b2afb64cSHuacai Chen	select CPU_LOONGSON32
14069ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1407ca585cf9SKelvin Cheung	help
1408ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1409968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1410968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1411ca585cf9SKelvin Cheung
141212e3280bSYang Lingconfig CPU_LOONGSON1C
141312e3280bSYang Ling	bool "Loongson 1C"
141412e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1415b2afb64cSHuacai Chen	select CPU_LOONGSON32
141612e3280bSYang Ling	select LEDS_GPIO_REGISTER
141712e3280bSYang Ling	help
141812e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1419968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1420968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
142112e3280bSYang Ling
14226e760c8dSRalf Baechleconfig CPU_MIPS32_R1
14236e760c8dSRalf Baechle	bool "MIPS32 Release 1"
14247cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
14256e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1426797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1427ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14286e760c8dSRalf Baechle	help
14295e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14301e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14311e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14321e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14331e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14341e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
14351e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
14361e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
14371e5f1caaSRalf Baechle	  performance.
14381e5f1caaSRalf Baechle
14391e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
14401e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
14417cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
14421e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1443797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1444ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1445a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
14462235a54dSSanjay Lal	select HAVE_KVM
14471e5f1caaSRalf Baechle	help
14485e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
14496e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14506e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14516e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14526e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14531da177e4SLinus Torvalds
1454ab7c01fdSSerge Seminconfig CPU_MIPS32_R5
1455ab7c01fdSSerge Semin	bool "MIPS32 Release 5"
1456ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS32_R5
1457ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1458ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1459ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1460ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1461ab7c01fdSSerge Semin	select HAVE_KVM
1462ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT
1463ab7c01fdSSerge Semin	help
1464ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1465ab7c01fdSSerge Semin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1466ab7c01fdSSerge Semin	  family, are based on a MIPS32r5 processor. If you own an older
1467ab7c01fdSSerge Semin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1468ab7c01fdSSerge Semin
14697fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1470674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
14717fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
14727fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
147318d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
14747fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
14757fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
14767fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
14777fd08ca5SLeonid Yegoshin	select HAVE_KVM
14787fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
14797fd08ca5SLeonid Yegoshin	help
14807fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
14817fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
14827fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
14837fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
14847fd08ca5SLeonid Yegoshin
14856e760c8dSRalf Baechleconfig CPU_MIPS64_R1
14866e760c8dSRalf Baechle	bool "MIPS64 Release 1"
14877cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1488797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1489ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1490ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1491ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14929cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
14936e760c8dSRalf Baechle	help
14946e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14956e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
14966e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
14976e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14986e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
14991e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
15001e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
15011e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
15021e5f1caaSRalf Baechle	  performance.
15031e5f1caaSRalf Baechle
15041e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15051e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15067cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1507797798c1SRalf Baechle	select CPU_HAS_PREFETCH
15081e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15091e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1510ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15119cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1512a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
151340a2df49SJames Hogan	select HAVE_KVM
15141e5f1caaSRalf Baechle	help
15151e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15161e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15171e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15181e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15191e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15201da177e4SLinus Torvalds
1521ab7c01fdSSerge Seminconfig CPU_MIPS64_R5
1522ab7c01fdSSerge Semin	bool "MIPS64 Release 5"
1523ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS64_R5
1524ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1525ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1526ab7c01fdSSerge Semin	select CPU_SUPPORTS_64BIT_KERNEL
1527ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1528ab7c01fdSSerge Semin	select CPU_SUPPORTS_HUGEPAGES
1529ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1530ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1531ab7c01fdSSerge Semin	select HAVE_KVM
1532ab7c01fdSSerge Semin	help
1533ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1534ab7c01fdSSerge Semin	  MIPS64 architecture.  This is a intermediate MIPS architecture
1535ab7c01fdSSerge Semin	  release partly implementing release 6 features. Though there is no
1536ab7c01fdSSerge Semin	  any hardware known to be based on this release.
1537ab7c01fdSSerge Semin
15387fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1539674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
15407fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
15417fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
154218d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15437fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15447fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
15457fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1546afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
15477fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15482e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
154940a2df49SJames Hogan	select HAVE_KVM
15507fd08ca5SLeonid Yegoshin	help
15517fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15527fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
15537fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
15547fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
15557fd08ca5SLeonid Yegoshin
1556281e3aeaSSerge Seminconfig CPU_P5600
1557281e3aeaSSerge Semin	bool "MIPS Warrior P5600"
1558281e3aeaSSerge Semin	depends on SYS_HAS_CPU_P5600
1559281e3aeaSSerge Semin	select CPU_HAS_PREFETCH
1560281e3aeaSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1561281e3aeaSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1562281e3aeaSSerge Semin	select CPU_SUPPORTS_MSA
1563281e3aeaSSerge Semin	select CPU_SUPPORTS_CPUFREQ
1564281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_VI
1565281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_EI
1566281e3aeaSSerge Semin	select HAVE_KVM
1567281e3aeaSSerge Semin	select MIPS_O32_FP64_SUPPORT
1568281e3aeaSSerge Semin	help
1569281e3aeaSSerge Semin	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1570281e3aeaSSerge Semin	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1571281e3aeaSSerge Semin	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1572281e3aeaSSerge Semin	  level features like up to six P5600 calculation cores, CM2 with L2
1573281e3aeaSSerge Semin	  cache, IOCU/IOMMU (though might be unused depending on the system-
1574281e3aeaSSerge Semin	  specific IP core configuration), GIC, CPC, virtualisation module,
1575281e3aeaSSerge Semin	  eJTAG and PDtrace.
1576281e3aeaSSerge Semin
15771da177e4SLinus Torvaldsconfig CPU_R3000
15781da177e4SLinus Torvalds	bool "R3000"
15797cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1580f7062ddbSRalf Baechle	select CPU_HAS_WB
158154746829SPaul Burton	select CPU_R3K_TLB
1582ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1583797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15841da177e4SLinus Torvalds	help
15851da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
15861da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
15871da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
15881da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
15891da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
15901da177e4SLinus Torvalds	  try to recompile with R3000.
15911da177e4SLinus Torvalds
15921da177e4SLinus Torvaldsconfig CPU_TX39XX
15931da177e4SLinus Torvalds	bool "R39XX"
15947cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1595ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
159654746829SPaul Burton	select CPU_R3K_TLB
15971da177e4SLinus Torvalds
15981da177e4SLinus Torvaldsconfig CPU_VR41XX
15991da177e4SLinus Torvalds	bool "R41xx"
16007cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1601ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1602ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
16031da177e4SLinus Torvalds	help
16045e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16051da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16061da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16071da177e4SLinus Torvalds	  processor or vice versa.
16081da177e4SLinus Torvalds
160965ce6197SLauri Kasanenconfig CPU_R4300
161065ce6197SLauri Kasanen	bool "R4300"
161165ce6197SLauri Kasanen	depends on SYS_HAS_CPU_R4300
161265ce6197SLauri Kasanen	select CPU_SUPPORTS_32BIT_KERNEL
161365ce6197SLauri Kasanen	select CPU_SUPPORTS_64BIT_KERNEL
161465ce6197SLauri Kasanen	select CPU_HAS_LOAD_STORE_LR
161565ce6197SLauri Kasanen	help
161665ce6197SLauri Kasanen	  MIPS Technologies R4300-series processors.
161765ce6197SLauri Kasanen
16181da177e4SLinus Torvaldsconfig CPU_R4X00
16191da177e4SLinus Torvalds	bool "R4x00"
16207cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1621ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1622ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1623970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16241da177e4SLinus Torvalds	help
16251da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16261da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16271da177e4SLinus Torvalds
16281da177e4SLinus Torvaldsconfig CPU_TX49XX
16291da177e4SLinus Torvalds	bool "R49XX"
16307cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1631de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1632ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1633ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1634970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16351da177e4SLinus Torvalds
16361da177e4SLinus Torvaldsconfig CPU_R5000
16371da177e4SLinus Torvalds	bool "R5000"
16387cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1639ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1640ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1641970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16421da177e4SLinus Torvalds	help
16431da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16441da177e4SLinus Torvalds
1645542c1020SShinya Kuribayashiconfig CPU_R5500
1646542c1020SShinya Kuribayashi	bool "R5500"
1647542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1648542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1649542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
16509cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1651542c1020SShinya Kuribayashi	help
1652542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1653542c1020SShinya Kuribayashi	  instruction set.
1654542c1020SShinya Kuribayashi
16551da177e4SLinus Torvaldsconfig CPU_NEVADA
16561da177e4SLinus Torvalds	bool "RM52xx"
16577cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1658ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1659ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1660970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16611da177e4SLinus Torvalds	help
16621da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
16631da177e4SLinus Torvalds
16641da177e4SLinus Torvaldsconfig CPU_R10000
16651da177e4SLinus Torvalds	bool "R10000"
16667cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
16675e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1668ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1669ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1670797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1671970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16721da177e4SLinus Torvalds	help
16731da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
16741da177e4SLinus Torvalds
16751da177e4SLinus Torvaldsconfig CPU_RM7000
16761da177e4SLinus Torvalds	bool "RM7000"
16777cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
16785e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1679ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1680ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1681797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1682970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16831da177e4SLinus Torvalds
16841da177e4SLinus Torvaldsconfig CPU_SB1
16851da177e4SLinus Torvalds	bool "SB1"
16867cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1687ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1688ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1689797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1690970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16910004a9dfSRalf Baechle	select WEAK_ORDERING
16921da177e4SLinus Torvalds
1693a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1694a86c7f72SDavid Daney	bool "Cavium Octeon processor"
16955e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1696a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1697a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1698a86c7f72SDavid Daney	select WEAK_ORDERING
1699a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17009cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1701df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1702df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1703930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17040ae3abcdSJames Hogan	select HAVE_KVM
1705a86c7f72SDavid Daney	help
1706a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1707a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1708a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1709a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1710a86c7f72SDavid Daney
1711cd746249SJonas Gorskiconfig CPU_BMIPS
1712cd746249SJonas Gorski	bool "Broadcom BMIPS"
1713cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1714cd746249SJonas Gorski	select CPU_MIPS32
1715fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1716cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1717cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1718cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1719cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1720cd746249SJonas Gorski	select DMA_NONCOHERENT
172167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1722cd746249SJonas Gorski	select SWAP_IO_SPACE
1723cd746249SJonas Gorski	select WEAK_ORDERING
1724c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
172569aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1726a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1727a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1728bf8bde41SFlorian Fainelli	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1729c1c0c461SKevin Cernekee	help
1730fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1731c1c0c461SKevin Cernekee
17321da177e4SLinus Torvaldsendchoice
17331da177e4SLinus Torvalds
1734a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1735a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1736a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
1737281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1738281e3aeaSSerge Semin		   CPU_P5600
1739a6e18781SLeonid Yegoshin	help
1740a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1741a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1742a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1743a6e18781SLeonid Yegoshin
1744a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1745a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1746a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1747a6e18781SLeonid Yegoshin	select EVA
1748a6e18781SLeonid Yegoshin	default y
1749a6e18781SLeonid Yegoshin	help
1750a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1751a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1752a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1753a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1754a6e18781SLeonid Yegoshin
1755c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1756c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1757c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1758281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1759c5b36783SSteven J. Hill	help
1760c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1761c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1762c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1763c5b36783SSteven J. Hill
1764c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1765c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1766c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1767c5b36783SSteven J. Hill	depends on !EVA
1768c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1769c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1770c5b36783SSteven J. Hill	select XPA
1771c5b36783SSteven J. Hill	select HIGHMEM
1772d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1773c5b36783SSteven J. Hill	default n
1774c5b36783SSteven J. Hill	help
1775c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1776c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1777c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1778c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1779c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1780c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1781c5b36783SSteven J. Hill
1782622844bfSWu Zhangjinif CPU_LOONGSON2F
1783622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1784622844bfSWu Zhangjin	bool
1785622844bfSWu Zhangjin
1786622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1787622844bfSWu Zhangjin	bool
1788622844bfSWu Zhangjin
1789622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1790622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1791622844bfSWu Zhangjin	default y
1792622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1793622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1794622844bfSWu Zhangjin	help
1795622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1796622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1797622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1798622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1799622844bfSWu Zhangjin
1800622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1801622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1802622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1803622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1804622844bfSWu Zhangjin	  systems.
1805622844bfSWu Zhangjin
1806622844bfSWu Zhangjin	  If unsure, please say Y.
1807622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1808622844bfSWu Zhangjin
18091b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18101b93b3c3SWu Zhangjin	bool
18111b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18121b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
181331c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18141b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1815fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18164e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
1817a510b616SPaul Cercueil	select HAVE_KERNEL_ZSTD
18181b93b3c3SWu Zhangjin
18191b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18201b93b3c3SWu Zhangjin	bool
18211b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18221b93b3c3SWu Zhangjin
1823dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1824dbb98314SAlban Bedel	bool
1825dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1826dbb98314SAlban Bedel
1827268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
18283702bba5SWu Zhangjin	bool
18293702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
18303702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
18313702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1832970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1833e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
18343702bba5SWu Zhangjin
1835b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1836ca585cf9SKelvin Cheung	bool
1837ca585cf9SKelvin Cheung	select CPU_MIPS32
18387e280f6bSJiaxun Yang	select CPU_MIPSR2
1839ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1840ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1841ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1842f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1843ca585cf9SKelvin Cheung
1844fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
184504fa8bf7SJonas Gorski	select SMP_UP if SMP
18461bbb6c1bSKevin Cernekee	bool
1847cd746249SJonas Gorski
1848cd746249SJonas Gorskiconfig CPU_BMIPS4350
1849cd746249SJonas Gorski	bool
1850cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1851cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1852cd746249SJonas Gorski
1853cd746249SJonas Gorskiconfig CPU_BMIPS4380
1854cd746249SJonas Gorski	bool
1855bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1856cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1857cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1858b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1859cd746249SJonas Gorski
1860cd746249SJonas Gorskiconfig CPU_BMIPS5000
1861cd746249SJonas Gorski	bool
1862cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1863bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1864cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1865cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1866b4720809SFlorian Fainelli	select CPU_HAS_RIXI
18671bbb6c1bSKevin Cernekee
1868268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
18690e476d91SHuacai Chen	bool
18700e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1871b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
18720e476d91SHuacai Chen
18733702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
18742a21c730SFuxin Zhang	bool
18752a21c730SFuxin Zhang
18766f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
18776f7a251aSWu Zhangjin	bool
187855045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
187955045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
18806f7a251aSWu Zhangjin
1881ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1882ca585cf9SKelvin Cheung	bool
1883ca585cf9SKelvin Cheung
188412e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
188512e3280bSYang Ling	bool
188612e3280bSYang Ling
18877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
18887cf8053bSRalf Baechle	bool
18897cf8053bSRalf Baechle
18907cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
18917cf8053bSRalf Baechle	bool
18927cf8053bSRalf Baechle
1893a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1894a6e18781SLeonid Yegoshin	bool
1895a6e18781SLeonid Yegoshin
1896c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1897c5b36783SSteven J. Hill	bool
18989ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1899c5b36783SSteven J. Hill
19007fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
19017fd08ca5SLeonid Yegoshin	bool
19029ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19037fd08ca5SLeonid Yegoshin
19047cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
19057cf8053bSRalf Baechle	bool
19067cf8053bSRalf Baechle
19077cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19087cf8053bSRalf Baechle	bool
19097cf8053bSRalf Baechle
19107fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19117fd08ca5SLeonid Yegoshin	bool
19129ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19137fd08ca5SLeonid Yegoshin
1914281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600
1915281e3aeaSSerge Semin	bool
1916281e3aeaSSerge Semin	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917281e3aeaSSerge Semin
19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19197cf8053bSRalf Baechle	bool
19207cf8053bSRalf Baechle
19217cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19227cf8053bSRalf Baechle	bool
19237cf8053bSRalf Baechle
19247cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19257cf8053bSRalf Baechle	bool
19267cf8053bSRalf Baechle
192765ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300
192865ce6197SLauri Kasanen	bool
192965ce6197SLauri Kasanen
19307cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
19317cf8053bSRalf Baechle	bool
19327cf8053bSRalf Baechle
19337cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
19347cf8053bSRalf Baechle	bool
19357cf8053bSRalf Baechle
19367cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
19377cf8053bSRalf Baechle	bool
19387cf8053bSRalf Baechle
1939542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1940542c1020SShinya Kuribayashi	bool
1941542c1020SShinya Kuribayashi
19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
19437cf8053bSRalf Baechle	bool
19447cf8053bSRalf Baechle
19457cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
19467cf8053bSRalf Baechle	bool
19479ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19487cf8053bSRalf Baechle
19497cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
19507cf8053bSRalf Baechle	bool
19517cf8053bSRalf Baechle
19527cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
19537cf8053bSRalf Baechle	bool
19547cf8053bSRalf Baechle
19555e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
19565e683389SDavid Daney	bool
19575e683389SDavid Daney
1958cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1959c1c0c461SKevin Cernekee	bool
1960c1c0c461SKevin Cernekee
1961fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1962c1c0c461SKevin Cernekee	bool
1963cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1964c1c0c461SKevin Cernekee
1965c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
1966c1c0c461SKevin Cernekee	bool
1967cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1968c1c0c461SKevin Cernekee
1969c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
1970c1c0c461SKevin Cernekee	bool
1971cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1972c1c0c461SKevin Cernekee
1973c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
1974c1c0c461SKevin Cernekee	bool
1975cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1976f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
1977c1c0c461SKevin Cernekee
197817099b11SRalf Baechle#
197917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
198017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
198117099b11SRalf Baechle#
19820004a9dfSRalf Baechleconfig WEAK_ORDERING
19830004a9dfSRalf Baechle	bool
198417099b11SRalf Baechle
198517099b11SRalf Baechle#
198617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
198717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
198817099b11SRalf Baechle#
198917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
199017099b11SRalf Baechle	bool
19915e83d430SRalf Baechleendmenu
19925e83d430SRalf Baechle
19935e83d430SRalf Baechle#
19945e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
19955e83d430SRalf Baechle#
19965e83d430SRalf Baechleconfig CPU_MIPS32
19975e83d430SRalf Baechle	bool
1998ab7c01fdSSerge Semin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1999281e3aeaSSerge Semin		     CPU_MIPS32_R6 || CPU_P5600
20005e83d430SRalf Baechle
20015e83d430SRalf Baechleconfig CPU_MIPS64
20025e83d430SRalf Baechle	bool
2003ab7c01fdSSerge Semin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
20045a4fa44fSJason A. Donenfeld		     CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
20055e83d430SRalf Baechle
20065e83d430SRalf Baechle#
200757eeacedSPaul Burton# These indicate the revision of the architecture
20085e83d430SRalf Baechle#
20095e83d430SRalf Baechleconfig CPU_MIPSR1
20105e83d430SRalf Baechle	bool
20115e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20125e83d430SRalf Baechle
20135e83d430SRalf Baechleconfig CPU_MIPSR2
20145e83d430SRalf Baechle	bool
2015a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20168256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2017ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2018a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20195e83d430SRalf Baechle
2020ab7c01fdSSerge Seminconfig CPU_MIPSR5
2021ab7c01fdSSerge Semin	bool
2022281e3aeaSSerge Semin	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
2023ab7c01fdSSerge Semin	select CPU_HAS_RIXI
2024ab7c01fdSSerge Semin	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2025ab7c01fdSSerge Semin	select MIPS_SPRAM
2026ab7c01fdSSerge Semin
20277fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20287fd08ca5SLeonid Yegoshin	bool
20297fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20308256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2031ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
203287321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
20332db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
20344a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2035a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20365e83d430SRalf Baechle
203757eeacedSPaul Burtonconfig TARGET_ISA_REV
203857eeacedSPaul Burton	int
203957eeacedSPaul Burton	default 1 if CPU_MIPSR1
204057eeacedSPaul Burton	default 2 if CPU_MIPSR2
2041ab7c01fdSSerge Semin	default 5 if CPU_MIPSR5
204257eeacedSPaul Burton	default 6 if CPU_MIPSR6
204357eeacedSPaul Burton	default 0
204457eeacedSPaul Burton	help
204557eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
204657eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
204757eeacedSPaul Burton
2048a6e18781SLeonid Yegoshinconfig EVA
2049a6e18781SLeonid Yegoshin	bool
2050a6e18781SLeonid Yegoshin
2051c5b36783SSteven J. Hillconfig XPA
2052c5b36783SSteven J. Hill	bool
2053c5b36783SSteven J. Hill
20545e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
20555e83d430SRalf Baechle	bool
20565e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
20575e83d430SRalf Baechle	bool
20585e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
20595e83d430SRalf Baechle	bool
20605e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
20615e83d430SRalf Baechle	bool
206255045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
206355045ff5SWu Zhangjin	bool
206455045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
206555045ff5SWu Zhangjin	bool
20669cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
20679cffd154SDavid Daney	bool
2068171543e7SDaniel Silsby	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
206982622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
207082622284SDavid Daney	bool
2071c6972fb9SHuang Pei	depends on 64BIT
207295b8a5e0SThomas Bogendoerfer	default y if (CPU_MIPSR2 || CPU_MIPSR6)
20735e83d430SRalf Baechle
20748192c9eaSDavid Daney#
20758192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
20768192c9eaSDavid Daney#
20778192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
20788192c9eaSDavid Daney	bool
2079679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
20808192c9eaSDavid Daney
20815e83d430SRalf Baechlemenu "Kernel type"
20825e83d430SRalf Baechle
20835e83d430SRalf Baechlechoice
20845e83d430SRalf Baechle	prompt "Kernel code model"
20855e83d430SRalf Baechle	help
20865e83d430SRalf Baechle	  You should only select this option if you have a workload that
20875e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
20885e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
20895e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
20905e83d430SRalf Baechle
20915e83d430SRalf Baechleconfig 32BIT
20925e83d430SRalf Baechle	bool "32-bit kernel"
20935e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
20945e83d430SRalf Baechle	select TRAD_SIGNALS
20955e83d430SRalf Baechle	help
20965e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2097f17c4ca3SRalf Baechle
20985e83d430SRalf Baechleconfig 64BIT
20995e83d430SRalf Baechle	bool "64-bit kernel"
21005e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21015e83d430SRalf Baechle	help
21025e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21035e83d430SRalf Baechle
21045e83d430SRalf Baechleendchoice
21055e83d430SRalf Baechle
21061e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21071e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21081e321fa9SLeonid Yegoshin	depends on 64BIT
21091e321fa9SLeonid Yegoshin	help
21103377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21113377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21123377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21133377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21143377e227SAlex Belits	  level of page tables is added which imposes both a memory
21153377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21163377e227SAlex Belits
21171e321fa9SLeonid Yegoshin	  If unsure, say N.
21181e321fa9SLeonid Yegoshin
21191da177e4SLinus Torvaldschoice
21201da177e4SLinus Torvalds	prompt "Kernel page size"
21211da177e4SLinus Torvalds	default PAGE_SIZE_4KB
21221da177e4SLinus Torvalds
21231da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
21241da177e4SLinus Torvalds	bool "4kB"
2125268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
21261da177e4SLinus Torvalds	help
21271da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
21281da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
21291da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
21301da177e4SLinus Torvalds	  recommended for low memory systems.
21311da177e4SLinus Torvalds
21321da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
21331da177e4SLinus Torvalds	bool "8kB"
2134c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
21351e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
21361da177e4SLinus Torvalds	help
21371da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
21381da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2139c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2140c2aeaaeaSPaul Burton	  distribution to support this.
21411da177e4SLinus Torvalds
21421da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
21431da177e4SLinus Torvalds	bool "16kB"
2144714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
21451da177e4SLinus Torvalds	help
21461da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
21471da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2148714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2149714bfad6SRalf Baechle	  Linux distribution to support this.
21501da177e4SLinus Torvalds
2151c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2152c52399beSRalf Baechle	bool "32kB"
2153c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
21541e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2155c52399beSRalf Baechle	help
2156c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2157c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2158c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2159c52399beSRalf Baechle	  distribution to support this.
2160c52399beSRalf Baechle
21611da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
21621da177e4SLinus Torvalds	bool "64kB"
21633b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
21641da177e4SLinus Torvalds	help
21651da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
21661da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
21671da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2168714bfad6SRalf Baechle	  writing this option is still high experimental.
21691da177e4SLinus Torvalds
21701da177e4SLinus Torvaldsendchoice
21711da177e4SLinus Torvalds
2172c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2173c9bace7cSDavid Daney	int "Maximum zone order"
2174e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2175e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2176e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2177e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2178e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2179e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2180ef923a76SPaul Cercueil	range 0 64
2181c9bace7cSDavid Daney	default "11"
2182c9bace7cSDavid Daney	help
2183c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2184c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2185c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2186c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2187c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2188c9bace7cSDavid Daney	  increase this value.
2189c9bace7cSDavid Daney
2190c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2191c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2192c9bace7cSDavid Daney
2193c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2194c9bace7cSDavid Daney	  when choosing a value for this option.
2195c9bace7cSDavid Daney
21961da177e4SLinus Torvaldsconfig BOARD_SCACHE
21971da177e4SLinus Torvalds	bool
21981da177e4SLinus Torvalds
21991da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22001da177e4SLinus Torvalds	bool
22011da177e4SLinus Torvalds	select BOARD_SCACHE
22021da177e4SLinus Torvalds
22039318c51aSChris Dearman#
22049318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22059318c51aSChris Dearman#
22069318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22079318c51aSChris Dearman	bool
22089318c51aSChris Dearman	select BOARD_SCACHE
22099318c51aSChris Dearman
22101da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22111da177e4SLinus Torvalds	bool
22121da177e4SLinus Torvalds	select BOARD_SCACHE
22131da177e4SLinus Torvalds
22141da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22151da177e4SLinus Torvalds	bool
22161da177e4SLinus Torvalds	select BOARD_SCACHE
22171da177e4SLinus Torvalds
22181da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
22191da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
22201da177e4SLinus Torvalds	depends on CPU_SB1
22211da177e4SLinus Torvalds	help
22221da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
22231da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
22241da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
22251da177e4SLinus Torvalds
22261da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2227c8094b53SRalf Baechle	bool
22281da177e4SLinus Torvalds
22293165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
22303165c846SFlorian Fainelli	bool
2231c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
22323165c846SFlorian Fainelli
2233c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2234183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2235183b40f9SPaul Burton	default y
2236183b40f9SPaul Burton	help
2237183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2238183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2239183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2240183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2241183b40f9SPaul Burton	  receive a SIGILL.
2242183b40f9SPaul Burton
2243183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2244183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2245183b40f9SPaul Burton
2246183b40f9SPaul Burton	  If unsure, say y.
2247c92e47e5SPaul Burton
224897f7dcbfSPaul Burtonconfig CPU_R2300_FPU
224997f7dcbfSPaul Burton	bool
2250c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
225197f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
225297f7dcbfSPaul Burton
225354746829SPaul Burtonconfig CPU_R3K_TLB
225454746829SPaul Burton	bool
225554746829SPaul Burton
225691405eb6SFlorian Fainelliconfig CPU_R4K_FPU
225791405eb6SFlorian Fainelli	bool
2258c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
225997f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
226091405eb6SFlorian Fainelli
226162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
226262cedc4fSFlorian Fainelli	bool
226354746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
226462cedc4fSFlorian Fainelli
226559d6ab86SRalf Baechleconfig MIPS_MT_SMP
2266a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
22675cbf9688SPaul Burton	default y
2268527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
226959d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2270d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2271c080faa5SSteven J. Hill	select SYNC_R4K
227259d6ab86SRalf Baechle	select MIPS_MT
227359d6ab86SRalf Baechle	select SMP
227487353d8aSRalf Baechle	select SMP_UP
2275c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2276c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2277399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
227859d6ab86SRalf Baechle	help
2279c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2280c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2281c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2282c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2283c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
228459d6ab86SRalf Baechle
2285f41ae0b2SRalf Baechleconfig MIPS_MT
2286f41ae0b2SRalf Baechle	bool
2287f41ae0b2SRalf Baechle
22880ab7aefcSRalf Baechleconfig SCHED_SMT
22890ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
22900ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
22910ab7aefcSRalf Baechle	default n
22920ab7aefcSRalf Baechle	help
22930ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
22940ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
22950ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
22960ab7aefcSRalf Baechle
22970ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
22980ab7aefcSRalf Baechle	bool
22990ab7aefcSRalf Baechle
2300f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2301f41ae0b2SRalf Baechle	bool
2302f41ae0b2SRalf Baechle
2303f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2304f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2305f088fc84SRalf Baechle	default y
2306b633648cSRalf Baechle	depends on MIPS_MT_SMP
230707cc0c9eSRalf Baechle
2308b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2309b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23109eaa9a82SPaul Burton	depends on CPU_MIPSR6
2311c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2312b0a668fbSLeonid Yegoshin	default y
2313b0a668fbSLeonid Yegoshin	help
2314b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2315b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
231607edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2317b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2318b0a668fbSLeonid Yegoshin	  final kernel image.
2319b0a668fbSLeonid Yegoshin
2320f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2321f35764e7SJames Hogan	bool
2322f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2323f35764e7SJames Hogan	help
2324f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2325f35764e7SJames Hogan	  physical_memsize.
2326f35764e7SJames Hogan
232707cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
232807cc0c9eSRalf Baechle	bool "VPE loader support."
2329f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
233007cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
233107cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
233207cc0c9eSRalf Baechle	select MIPS_MT
233307cc0c9eSRalf Baechle	help
233407cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
233507cc0c9eSRalf Baechle	  onto another VPE and running it.
2336f088fc84SRalf Baechle
233717a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
233817a1d523SDeng-Cheng Zhu	bool
233917a1d523SDeng-Cheng Zhu	default "y"
234017a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
234117a1d523SDeng-Cheng Zhu
23421a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
23431a2a6d7eSDeng-Cheng Zhu	bool
23441a2a6d7eSDeng-Cheng Zhu	default "y"
23451a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
23461a2a6d7eSDeng-Cheng Zhu
2347e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2348e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2349e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2350e01402b1SRalf Baechle	default y
2351e01402b1SRalf Baechle	help
2352e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2353e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2354e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2355e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2356e01402b1SRalf Baechle
2357e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2358e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2359e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2360e01402b1SRalf Baechle
2361da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2362da615cf6SDeng-Cheng Zhu	bool
2363da615cf6SDeng-Cheng Zhu	default "y"
2364da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2365da615cf6SDeng-Cheng Zhu
23662c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
23672c973ef0SDeng-Cheng Zhu	bool
23682c973ef0SDeng-Cheng Zhu	default "y"
23692c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
23702c973ef0SDeng-Cheng Zhu
23714a16ff4cSRalf Baechleconfig MIPS_CMP
23725cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
23735676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2374b10b43baSMarkos Chandras	select SMP
2375eb9b5141STim Anderson	select SYNC_R4K
2376b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
23774a16ff4cSRalf Baechle	select WEAK_ORDERING
23784a16ff4cSRalf Baechle	default n
23794a16ff4cSRalf Baechle	help
2380044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2381044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2382044505c7SPaul Burton	  its ability to start secondary CPUs.
23834a16ff4cSRalf Baechle
23845cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
23855cac93b3SPaul Burton	  instead of this.
23865cac93b3SPaul Burton
23870ee958e1SPaul Burtonconfig MIPS_CPS
23880ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
23895a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
23900ee958e1SPaul Burton	select MIPS_CM
23911d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
23920ee958e1SPaul Burton	select SMP
23930ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
23941d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2395c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
23960ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
23970ee958e1SPaul Burton	select WEAK_ORDERING
2398d8d3276bSWei Li	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
23990ee958e1SPaul Burton	help
24000ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24010ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24020ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24030ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24040ee958e1SPaul Burton	  support is unavailable.
24050ee958e1SPaul Burton
24063179d37eSPaul Burtonconfig MIPS_CPS_PM
240739a59593SMarkos Chandras	depends on MIPS_CPS
24083179d37eSPaul Burton	bool
24093179d37eSPaul Burton
24109f98f3ddSPaul Burtonconfig MIPS_CM
24119f98f3ddSPaul Burton	bool
24123c9b4166SPaul Burton	select MIPS_CPC
24139f98f3ddSPaul Burton
24149c38cf44SPaul Burtonconfig MIPS_CPC
24159c38cf44SPaul Burton	bool
24162600990eSRalf Baechle
24171da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24181da177e4SLinus Torvalds	bool
24191da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
24201da177e4SLinus Torvalds	default y
24211da177e4SLinus Torvalds
24221da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
24231da177e4SLinus Torvalds	bool
24241da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
24251da177e4SLinus Torvalds	default y
24261da177e4SLinus Torvalds
24279e2b5372SMarkos Chandraschoice
24289e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
24299e2b5372SMarkos Chandras
24309e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
24319e2b5372SMarkos Chandras	bool "None"
24329e2b5372SMarkos Chandras	help
24339e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
24349e2b5372SMarkos Chandras
24359693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
24369693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
24379e2b5372SMarkos Chandras	bool "SmartMIPS"
24389693a853SFranck Bui-Huu	help
24399693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
24409693a853SFranck Bui-Huu	  increased security at both hardware and software level for
24419693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
24429693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
24439693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
24449693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
24459693a853SFranck Bui-Huu	  here.
24469693a853SFranck Bui-Huu
2447bce86083SSteven J. Hillconfig CPU_MICROMIPS
24487fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
24499e2b5372SMarkos Chandras	bool "microMIPS"
2450bce86083SSteven J. Hill	help
2451bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2452bce86083SSteven J. Hill	  microMIPS ISA
2453bce86083SSteven J. Hill
24549e2b5372SMarkos Chandrasendchoice
24559e2b5372SMarkos Chandras
2456a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
24570ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2458a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2459c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
24602a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2461a5e9a69eSPaul Burton	help
2462a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2463a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
24641db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
24651db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
24661db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
24671db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
24681db1af84SPaul Burton	  the size & complexity of your kernel.
2469a5e9a69eSPaul Burton
2470a5e9a69eSPaul Burton	  If unsure, say Y.
2471a5e9a69eSPaul Burton
24721da177e4SLinus Torvaldsconfig CPU_HAS_WB
2473f7062ddbSRalf Baechle	bool
2474e01402b1SRalf Baechle
2475df0ac8a4SKevin Cernekeeconfig XKS01
2476df0ac8a4SKevin Cernekee	bool
2477df0ac8a4SKevin Cernekee
2478ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2479ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2480ba9196d2SJiaxun Yang	bool
2481ba9196d2SJiaxun Yang
2482ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2483ba9196d2SJiaxun Yang	bool
2484ba9196d2SJiaxun Yang
24858256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
24868256b17eSFlorian Fainelli	bool
24878256b17eSFlorian Fainelli
248818d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2489932afdeeSYasha Cherikovsky	bool
2490932afdeeSYasha Cherikovsky	help
249118d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2492932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
249318d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
249418d84e2eSAlexander Lobakin	  systems).
2495932afdeeSYasha Cherikovsky
2496f41ae0b2SRalf Baechle#
2497f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2498f41ae0b2SRalf Baechle#
2499e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2500f41ae0b2SRalf Baechle	bool
2501e01402b1SRalf Baechle
2502f41ae0b2SRalf Baechle#
2503f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2504f41ae0b2SRalf Baechle#
2505e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2506f41ae0b2SRalf Baechle	bool
2507e01402b1SRalf Baechle
25081da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25091da177e4SLinus Torvalds	bool
25101da177e4SLinus Torvalds	depends on !CPU_R3000
25111da177e4SLinus Torvalds	default y
25121da177e4SLinus Torvalds
25131da177e4SLinus Torvalds#
251420d60d99SMaciej W. Rozycki# CPU non-features
251520d60d99SMaciej W. Rozycki#
251620d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
251720d60d99SMaciej W. Rozycki	bool
251820d60d99SMaciej W. Rozycki
251920d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
252020d60d99SMaciej W. Rozycki	bool
252120d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
252220d60d99SMaciej W. Rozycki
252320d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
252420d60d99SMaciej W. Rozycki	bool
252520d60d99SMaciej W. Rozycki
2526071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2527071d2f0bSPaul Burton	bool
2528071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2529071d2f0bSPaul Burton
25304edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
25314edf00a4SPaul Burton	int
25324edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25334edf00a4SPaul Burton	default 0
25344edf00a4SPaul Burton
25354edf00a4SPaul Burtonconfig MIPS_ASID_BITS
25364edf00a4SPaul Burton	int
25372db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
25384edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25394edf00a4SPaul Burton	default 8
25404edf00a4SPaul Burton
25412db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
25422db003a5SPaul Burton	bool
25432db003a5SPaul Burton
25444a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
25454a5dc51eSMarcin Nowakowski	bool
25464a5dc51eSMarcin Nowakowski
2547802b8362SThomas Bogendoerfer# R4600 erratum.  Due to the lack of errata information the exact
2548802b8362SThomas Bogendoerfer# technical details aren't known.  I've experimentally found that disabling
2549802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal
2550802b8362SThomas Bogendoerfer# with the issue.
2551802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP
2552802b8362SThomas Bogendoerfer	bool
2553802b8362SThomas Bogendoerfer
25545e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
25555e5b6527SThomas Bogendoerfer#
25565e5b6527SThomas Bogendoerfer#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
25575e5b6527SThomas Bogendoerfer#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
25585e5b6527SThomas Bogendoerfer#      executed if there is no other dcache activity. If the dcache is
255918ff14c8SColin Ian King#      accessed for another instruction immediately preceding when these
25605e5b6527SThomas Bogendoerfer#      cache instructions are executing, it is possible that the dcache
25615e5b6527SThomas Bogendoerfer#      tag match outputs used by these cache instructions will be
25625e5b6527SThomas Bogendoerfer#      incorrect. These cache instructions should be preceded by at least
25635e5b6527SThomas Bogendoerfer#      four instructions that are not any kind of load or store
25645e5b6527SThomas Bogendoerfer#      instruction.
25655e5b6527SThomas Bogendoerfer#
25665e5b6527SThomas Bogendoerfer#      This is not allowed:    lw
25675e5b6527SThomas Bogendoerfer#                              nop
25685e5b6527SThomas Bogendoerfer#                              nop
25695e5b6527SThomas Bogendoerfer#                              nop
25705e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
25715e5b6527SThomas Bogendoerfer#
25725e5b6527SThomas Bogendoerfer#      This is allowed:        lw
25735e5b6527SThomas Bogendoerfer#                              nop
25745e5b6527SThomas Bogendoerfer#                              nop
25755e5b6527SThomas Bogendoerfer#                              nop
25765e5b6527SThomas Bogendoerfer#                              nop
25775e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
25785e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP
25795e5b6527SThomas Bogendoerfer	bool
25805e5b6527SThomas Bogendoerfer
258144def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA.
258244def342SThomas Bogendoerfer#
258344def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
258444def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
258544def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty.  These
258644def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss
258744def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer."
258844def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/
258944def342SThomas Bogendoerfer# in .pdf format.)
259044def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP
259144def342SThomas Bogendoerfer	bool
259244def342SThomas Bogendoerfer
259324a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
259424a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following
259524a1c023SThomas Bogendoerfer# operation is not guaranteed."
259624a1c023SThomas Bogendoerfer#
259724a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I
259824a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV
259924a1c023SThomas Bogendoerfer	bool
260024a1c023SThomas Bogendoerfer
2601886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2602886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same
2603886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious
2604886ee136SThomas Bogendoerfer# exceptions.
2605886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS
2606886ee136SThomas Bogendoerfer	bool
2607886ee136SThomas Bogendoerfer
2608256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2609256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically.
2610256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC
2611256ec489SThomas Bogendoerfer	bool
2612256ec489SThomas Bogendoerfer
2613a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction"
2614a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB
2615a7fbed98SThomas Bogendoerfer	bool
2616a7fbed98SThomas Bogendoerfer
261720d60d99SMaciej W. Rozycki#
26181da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
26191da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
26201da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
26211da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
26221da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
26231da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
26241da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
26251da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2626797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2627797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2628797798c1SRalf Baechle#   support.
26291da177e4SLinus Torvalds#
26301da177e4SLinus Torvaldsconfig HIGHMEM
26311da177e4SLinus Torvalds	bool "High Memory Support"
2632a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2633a4c33e83SThomas Gleixner	select KMAP_LOCAL
2634797798c1SRalf Baechle
2635797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2636797798c1SRalf Baechle	bool
2637797798c1SRalf Baechle
2638797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2639797798c1SRalf Baechle	bool
26401da177e4SLinus Torvalds
26419693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26429693a853SFranck Bui-Huu	bool
26439693a853SFranck Bui-Huu
2644a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2645a6a4834cSSteven J. Hill	bool
2646a6a4834cSSteven J. Hill
2647377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2648377cb1b6SRalf Baechle	bool
2649377cb1b6SRalf Baechle	help
2650377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2651377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2652377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2653377cb1b6SRalf Baechle
2654a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2655a5e9a69eSPaul Burton	bool
2656a5e9a69eSPaul Burton
2657b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2658b4819b59SYoichi Yuasa	def_bool y
2659268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2660b4819b59SYoichi Yuasa
2661b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2662b1c6cd42SAtsushi Nemoto	bool
2663397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
266431473747SAtsushi Nemoto
2665d8cb4e11SRalf Baechleconfig NUMA
2666d8cb4e11SRalf Baechle	bool "NUMA Support"
2667d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2668cf8194e4STiezhu Yang	select SMP
2669*7ecd19cfSKefeng Wang	select HAVE_SETUP_PER_CPU_AREA
2670*7ecd19cfSKefeng Wang	select NEED_PER_CPU_EMBED_FIRST_CHUNK
2671d8cb4e11SRalf Baechle	help
2672d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2673d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2674d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2675172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2676d8cb4e11SRalf Baechle	  disabled.
2677d8cb4e11SRalf Baechle
2678d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2679d8cb4e11SRalf Baechle	bool
2680d8cb4e11SRalf Baechle
26818c530ea3SMatt Redfearnconfig RELOCATABLE
26828c530ea3SMatt Redfearn	bool "Relocatable kernel"
2683ab7c01fdSSerge Semin	depends on SYS_SUPPORTS_RELOCATABLE
2684ab7c01fdSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2685ab7c01fdSSerge Semin		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2686ab7c01fdSSerge Semin		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2687a307a4ceSJinyang He		   CPU_P5600 || CAVIUM_OCTEON_SOC || \
2688a307a4ceSJinyang He		   CPU_LOONGSON64
26898c530ea3SMatt Redfearn	help
26908c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
26918c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
26928c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
26938c530ea3SMatt Redfearn	  but are discarded at runtime
26948c530ea3SMatt Redfearn
2695069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2696069fd766SMatt Redfearn	hex "Relocation table size"
2697069fd766SMatt Redfearn	depends on RELOCATABLE
2698069fd766SMatt Redfearn	range 0x0 0x01000000
2699a307a4ceSJinyang He	default "0x00200000" if CPU_LOONGSON64
2700069fd766SMatt Redfearn	default "0x00100000"
2701a7f7f624SMasahiro Yamada	help
2702069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2703069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2704069fd766SMatt Redfearn
2705069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2706069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2707069fd766SMatt Redfearn
2708069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2709069fd766SMatt Redfearn
2710069fd766SMatt Redfearn	  If unsure, leave at the default value.
2711069fd766SMatt Redfearn
2712405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2713405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2714405bc8fdSMatt Redfearn	depends on RELOCATABLE
2715a7f7f624SMasahiro Yamada	help
2716405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2717405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2718405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2719405bc8fdSMatt Redfearn	  of kernel internals.
2720405bc8fdSMatt Redfearn
2721405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2722405bc8fdSMatt Redfearn
2723405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2724405bc8fdSMatt Redfearn
2725405bc8fdSMatt Redfearn	  If unsure, say N.
2726405bc8fdSMatt Redfearn
2727405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2728405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2729405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2730405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2731405bc8fdSMatt Redfearn	range 0x0 0x08000000
2732405bc8fdSMatt Redfearn	default "0x01000000"
2733a7f7f624SMasahiro Yamada	help
2734405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2735405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2736405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2737405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2738405bc8fdSMatt Redfearn
2739405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2740405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2741405bc8fdSMatt Redfearn
2742c80d79d7SYasunori Gotoconfig NODES_SHIFT
2743c80d79d7SYasunori Goto	int
2744c80d79d7SYasunori Goto	default "6"
2745a9ee6cf5SMike Rapoport	depends on NUMA
2746c80d79d7SYasunori Goto
274714f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
274814f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
274995b8a5e0SThomas Bogendoerfer	depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
275014f70012SDeng-Cheng Zhu	default y
275114f70012SDeng-Cheng Zhu	help
275214f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
275314f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
275414f70012SDeng-Cheng Zhu
2755be8fa1cbSTiezhu Yangconfig DMI
2756be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2757be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2758be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2759be8fa1cbSTiezhu Yang	default y
2760be8fa1cbSTiezhu Yang	help
2761be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2762be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2763be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2764be8fa1cbSTiezhu Yang	  BIOS code.
2765be8fa1cbSTiezhu Yang
27661da177e4SLinus Torvaldsconfig SMP
27671da177e4SLinus Torvalds	bool "Multi-Processing support"
2768e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2769e73ea273SRalf Baechle	help
27701da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27714a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27724a474157SRobert Graffham	  than one CPU, say Y.
27731da177e4SLinus Torvalds
27744a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27751da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27761da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27774a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27781da177e4SLinus Torvalds	  will run faster if you say N here.
27791da177e4SLinus Torvalds
27801da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27811da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27821da177e4SLinus Torvalds
278303502faaSAdrian Bunk	  See also the SMP-HOWTO available at
2784ef054ad3SAlexander A. Klimov	  <https://www.tldp.org/docs.html#howto>.
27851da177e4SLinus Torvalds
27861da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27871da177e4SLinus Torvalds
27887840d618SMatt Redfearnconfig HOTPLUG_CPU
27897840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27907840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27917840d618SMatt Redfearn	help
27927840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
27937840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
27947840d618SMatt Redfearn	  (Note: power management support will enable this option
27957840d618SMatt Redfearn	    automatically on SMP systems. )
27967840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
27977840d618SMatt Redfearn
279887353d8aSRalf Baechleconfig SMP_UP
279987353d8aSRalf Baechle	bool
280087353d8aSRalf Baechle
28014a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
28024a16ff4cSRalf Baechle	bool
28034a16ff4cSRalf Baechle
28040ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
28050ee958e1SPaul Burton	bool
28060ee958e1SPaul Burton
2807e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2808e73ea273SRalf Baechle	bool
2809e73ea273SRalf Baechle
2810130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2811130e2fb7SRalf Baechle	bool
2812130e2fb7SRalf Baechle
2813130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2814130e2fb7SRalf Baechle	bool
2815130e2fb7SRalf Baechle
2816130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2817130e2fb7SRalf Baechle	bool
2818130e2fb7SRalf Baechle
2819130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2820130e2fb7SRalf Baechle	bool
2821130e2fb7SRalf Baechle
2822130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2823130e2fb7SRalf Baechle	bool
2824130e2fb7SRalf Baechle
28251da177e4SLinus Torvaldsconfig NR_CPUS
2826a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2827a91796a9SJayachandran C	range 2 256
28281da177e4SLinus Torvalds	depends on SMP
2829130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2830130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2831130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2832130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2833130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
28341da177e4SLinus Torvalds	help
28351da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
28361da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
28371da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
283872ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
283972ede9b1SAtsushi Nemoto	  and 2 for all others.
28401da177e4SLinus Torvalds
28411da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
284272ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
284372ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
284472ede9b1SAtsushi Nemoto	  power of two.
28451da177e4SLinus Torvalds
2846399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2847399aaa25SAl Cooper	bool
2848399aaa25SAl Cooper
28497820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28507820b84bSDavid Daney	bool
28517820b84bSDavid Daney
28527820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28537820b84bSDavid Daney	int
28547820b84bSDavid Daney	depends on SMP
28557820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28567820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28577820b84bSDavid Daney
28581723b4a3SAtsushi Nemoto#
28591723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28601723b4a3SAtsushi Nemoto#
28611723b4a3SAtsushi Nemoto
28621723b4a3SAtsushi Nemotochoice
28631723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28641723b4a3SAtsushi Nemoto	default HZ_250
28651723b4a3SAtsushi Nemoto	help
28661723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
28671723b4a3SAtsushi Nemoto
286867596573SPaul Burton	config HZ_24
286967596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
287067596573SPaul Burton
28711723b4a3SAtsushi Nemoto	config HZ_48
28720f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28731723b4a3SAtsushi Nemoto
28741723b4a3SAtsushi Nemoto	config HZ_100
28751723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28761723b4a3SAtsushi Nemoto
28771723b4a3SAtsushi Nemoto	config HZ_128
28781723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28791723b4a3SAtsushi Nemoto
28801723b4a3SAtsushi Nemoto	config HZ_250
28811723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28821723b4a3SAtsushi Nemoto
28831723b4a3SAtsushi Nemoto	config HZ_256
28841723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28851723b4a3SAtsushi Nemoto
28861723b4a3SAtsushi Nemoto	config HZ_1000
28871723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28881723b4a3SAtsushi Nemoto
28891723b4a3SAtsushi Nemoto	config HZ_1024
28901723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28911723b4a3SAtsushi Nemoto
28921723b4a3SAtsushi Nemotoendchoice
28931723b4a3SAtsushi Nemoto
289467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
289567596573SPaul Burton	bool
289667596573SPaul Burton
28971723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
28981723b4a3SAtsushi Nemoto	bool
28991723b4a3SAtsushi Nemoto
29001723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
29011723b4a3SAtsushi Nemoto	bool
29021723b4a3SAtsushi Nemoto
29031723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
29041723b4a3SAtsushi Nemoto	bool
29051723b4a3SAtsushi Nemoto
29061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
29071723b4a3SAtsushi Nemoto	bool
29081723b4a3SAtsushi Nemoto
29091723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
29101723b4a3SAtsushi Nemoto	bool
29111723b4a3SAtsushi Nemoto
29121723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
29131723b4a3SAtsushi Nemoto	bool
29141723b4a3SAtsushi Nemoto
29151723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
29161723b4a3SAtsushi Nemoto	bool
29171723b4a3SAtsushi Nemoto
29181723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
29191723b4a3SAtsushi Nemoto	bool
292067596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
292167596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
292267596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
292367596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
292467596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
292567596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
292667596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
29271723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
29281723b4a3SAtsushi Nemoto
29291723b4a3SAtsushi Nemotoconfig HZ
29301723b4a3SAtsushi Nemoto	int
293167596573SPaul Burton	default 24 if HZ_24
29321723b4a3SAtsushi Nemoto	default 48 if HZ_48
29331723b4a3SAtsushi Nemoto	default 100 if HZ_100
29341723b4a3SAtsushi Nemoto	default 128 if HZ_128
29351723b4a3SAtsushi Nemoto	default 250 if HZ_250
29361723b4a3SAtsushi Nemoto	default 256 if HZ_256
29371723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
29381723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
29391723b4a3SAtsushi Nemoto
294096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
294196685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
294296685b17SDeng-Cheng Zhu
2943ea6e942bSAtsushi Nemotoconfig KEXEC
29447d60717eSKees Cook	bool "Kexec system call"
29452965faa5SDave Young	select KEXEC_CORE
2946ea6e942bSAtsushi Nemoto	help
2947ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2948ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29493dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2950ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2951ea6e942bSAtsushi Nemoto
295201dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2953ea6e942bSAtsushi Nemoto
2954ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2955ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2956bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2957bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2958bf220695SGeert Uytterhoeven	  made.
2959ea6e942bSAtsushi Nemoto
29607aa1c8f4SRalf Baechleconfig CRASH_DUMP
29617aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29627aa1c8f4SRalf Baechle	help
29637aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29647aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29657aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29667aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29677aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29687aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29697aa1c8f4SRalf Baechle	  PHYSICAL_START.
29707aa1c8f4SRalf Baechle
29717aa1c8f4SRalf Baechleconfig PHYSICAL_START
29727aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29738bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29747aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29757aa1c8f4SRalf Baechle	help
29767aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29777aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29787aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29797aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29807aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29817aa1c8f4SRalf Baechle
2982597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
2983b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2984597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2985597ce172SPaul Burton	help
2986597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2987597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2988597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2989597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2990597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2991597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2992597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
2993597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
2994597ce172SPaul Burton	  saying N here.
2995597ce172SPaul Burton
299606e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
299706e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
299818ff14c8SColin Ian King	  worked on. In order to avoid userland becoming dependent upon current
299906e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
300006e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
300106e2e882SPaul Burton	  said details.
300206e2e882SPaul Burton
300306e2e882SPaul Burton	  If unsure, say N.
3004597ce172SPaul Burton
3005f2ffa5abSDezhong Diaoconfig USE_OF
30060b3e06fdSJonas Gorski	bool
3007f2ffa5abSDezhong Diao	select OF
3008e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3009abd2363fSGrant Likely	select IRQ_DOMAIN
3010f2ffa5abSDezhong Diao
30112fe8ea39SDengcheng Zhuconfig UHI_BOOT
30122fe8ea39SDengcheng Zhu	bool
30132fe8ea39SDengcheng Zhu
30147fafb068SAndrew Brestickerconfig BUILTIN_DTB
30157fafb068SAndrew Bresticker	bool
30167fafb068SAndrew Bresticker
30171da8f179SJonas Gorskichoice
30185b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
30191da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
30201da8f179SJonas Gorski
30211da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
30221da8f179SJonas Gorski		bool "None"
30231da8f179SJonas Gorski		help
30241da8f179SJonas Gorski		  Do not enable appended dtb support.
30251da8f179SJonas Gorski
302687db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
302787db537dSAaro Koskinen		bool "vmlinux"
302887db537dSAaro Koskinen		help
302987db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
303087db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
303187db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
303287db537dSAaro Koskinen		  objcopy:
303387db537dSAaro Koskinen
303487db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
303587db537dSAaro Koskinen
303618ff14c8SColin Ian King		  This is meant as a backward compatibility convenience for those
303787db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
303887db537dSAaro Koskinen		  the documented boot protocol using a device tree.
303987db537dSAaro Koskinen
30401da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3041b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30421da8f179SJonas Gorski		help
30431da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3044b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30451da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30461da8f179SJonas Gorski
30471da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30481da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30491da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30501da8f179SJonas Gorski
30511da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30521da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30531da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30541da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30551da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30561da8f179SJonas Gorskiendchoice
30571da8f179SJonas Gorski
30582024972eSJonas Gorskichoice
30592024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30602bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
306187fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
30622bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30632024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30642024972eSJonas Gorski
30652024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30662024972eSJonas Gorski		depends on USE_OF
30672024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30682024972eSJonas Gorski
30692024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30702024972eSJonas Gorski		depends on USE_OF
30712024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30722024972eSJonas Gorski
30732024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30742024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3075ed47e153SRabin Vincent
3076ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3077ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3078ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
30792024972eSJonas Gorskiendchoice
30802024972eSJonas Gorski
30815e83d430SRalf Baechleendmenu
30825e83d430SRalf Baechle
30831df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
30841df0f0ffSAtsushi Nemoto	bool
30851df0f0ffSAtsushi Nemoto	default y
30861df0f0ffSAtsushi Nemoto
30871df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
30881df0f0ffSAtsushi Nemoto	bool
30891df0f0ffSAtsushi Nemoto	default y
30901df0f0ffSAtsushi Nemoto
3091a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3092a728ab52SKirill A. Shutemov	int
30933377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
309441ce097fSHuang Pei	default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3095a728ab52SKirill A. Shutemov	default 2
3096a728ab52SKirill A. Shutemov
30976c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
30986c359eb1SPaul Burton	bool
30996c359eb1SPaul Burton
31001da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
31011da177e4SLinus Torvalds
3102c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
31032eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3104c5611df9SPaul Burton	bool
3105c5611df9SPaul Burton
3106c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3107c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3108c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
31092eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
31101da177e4SLinus Torvalds
31111da177e4SLinus Torvalds#
31121da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
31131da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
31141da177e4SLinus Torvalds# users to choose the right thing ...
31151da177e4SLinus Torvalds#
31161da177e4SLinus Torvaldsconfig ISA
31171da177e4SLinus Torvalds	bool
31181da177e4SLinus Torvalds
31191da177e4SLinus Torvaldsconfig TC
31201da177e4SLinus Torvalds	bool "TURBOchannel support"
31211da177e4SLinus Torvalds	depends on MACH_DECSTATION
31221da177e4SLinus Torvalds	help
312350a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
312450a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
312550a23e6eSJustin P. Mattock	  at:
312650a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
312750a23e6eSJustin P. Mattock	  and:
312850a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
312950a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
313050a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31311da177e4SLinus Torvalds
31321da177e4SLinus Torvaldsconfig MMU
31331da177e4SLinus Torvalds	bool
31341da177e4SLinus Torvalds	default y
31351da177e4SLinus Torvalds
3136109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3137109c32ffSMatt Redfearn	default 12 if 64BIT
3138109c32ffSMatt Redfearn	default 8
3139109c32ffSMatt Redfearn
3140109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3141109c32ffSMatt Redfearn	default 18 if 64BIT
3142109c32ffSMatt Redfearn	default 15
3143109c32ffSMatt Redfearn
3144109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3145109c32ffSMatt Redfearn	default 8
3146109c32ffSMatt Redfearn
3147109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3148109c32ffSMatt Redfearn	default 15
3149109c32ffSMatt Redfearn
3150d865bea4SRalf Baechleconfig I8253
3151d865bea4SRalf Baechle	bool
3152798778b8SRussell King	select CLKSRC_I8253
31532d02612fSThomas Gleixner	select CLKEVT_I8253
31549726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
31551da177e4SLinus Torvaldsendmenu
31561da177e4SLinus Torvalds
31571da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31581da177e4SLinus Torvalds	bool
31591da177e4SLinus Torvalds
31601da177e4SLinus Torvaldsconfig MIPS32_COMPAT
316178aaf956SRalf Baechle	bool
31621da177e4SLinus Torvalds
31631da177e4SLinus Torvaldsconfig COMPAT
31641da177e4SLinus Torvalds	bool
31651da177e4SLinus Torvalds
316605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
316705e43966SAtsushi Nemoto	bool
316805e43966SAtsushi Nemoto
31691da177e4SLinus Torvaldsconfig MIPS32_O32
31701da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
317178aaf956SRalf Baechle	depends on 64BIT
317278aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
317378aaf956SRalf Baechle	select COMPAT
317478aaf956SRalf Baechle	select MIPS32_COMPAT
317578aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31761da177e4SLinus Torvalds	help
31771da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
31781da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
31791da177e4SLinus Torvalds	  existing binaries are in this format.
31801da177e4SLinus Torvalds
31811da177e4SLinus Torvalds	  If unsure, say Y.
31821da177e4SLinus Torvalds
31831da177e4SLinus Torvaldsconfig MIPS32_N32
31841da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3185c22eacfeSRalf Baechle	depends on 64BIT
31865a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
318778aaf956SRalf Baechle	select COMPAT
318878aaf956SRalf Baechle	select MIPS32_COMPAT
318978aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31901da177e4SLinus Torvalds	help
31911da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
31921da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
31931da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
31941da177e4SLinus Torvalds	  cases.
31951da177e4SLinus Torvalds
31961da177e4SLinus Torvalds	  If unsure, say N.
31971da177e4SLinus Torvalds
31982116245eSRalf Baechlemenu "Power management options"
3199952fa954SRodolfo Giometti
3200363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3201363c55caSWu Zhangjin	def_bool y
32023f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3203363c55caSWu Zhangjin
3204f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3205f4cb5700SJohannes Berg	def_bool y
32063f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3207f4cb5700SJohannes Berg
32082116245eSRalf Baechlesource "kernel/power/Kconfig"
3209952fa954SRodolfo Giometti
32101da177e4SLinus Torvaldsendmenu
32111da177e4SLinus Torvalds
32127a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32137a998935SViresh Kumar	bool
32147a998935SViresh Kumar
32157a998935SViresh Kumarmenu "CPU Power Management"
3216c095ebafSPaul Burton
3217c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32187a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32197a998935SViresh Kumarendif
32209726b43aSWu Zhangjin
3221c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3222c095ebafSPaul Burton
3223c095ebafSPaul Burtonendmenu
3224c095ebafSPaul Burton
32252235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3226e91946d6SNathan Chancellor
3227e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig"
3228