xref: /linux/arch/mips/Kconfig (revision a670c82d9ca4f1e7385d9d6f26ff41a50fbdd944)
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 BOOT_RAW
6444042147aSBert Vermeulen	select PINCTRL
6454042147aSBert Vermeulen	select USE_OF
6464042147aSBert Vermeulen
6471da177e4SLinus Torvaldsconfig SGI_IP22
6483fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
649c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
65039b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6510e2794b0SRalf Baechle	select FW_ARC
6520e2794b0SRalf Baechle	select FW_ARC32
6537a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6541da177e4SLinus Torvalds	select BOOT_ELF32
65542f77542SRalf Baechle	select CEVT_R4K
656940f6b48SRalf Baechle	select CSRC_R4K
657e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6581da177e4SLinus Torvalds	select DMA_NONCOHERENT
6596630a8e5SChristoph Hellwig	select HAVE_EISA
660d865bea4SRalf Baechle	select I8253
66168de4803SThomas Bogendoerfer	select I8259
6621da177e4SLinus Torvalds	select IP22_CPU_SCACHE
66367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
664aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
665e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
666e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
66736e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
668e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
669e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
670e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6711da177e4SLinus Torvalds	select SWAP_IO_SPACE
6727cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6737cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
674c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
675ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
676ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6775e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
678802b8362SThomas Bogendoerfer	select WAR_R4600_V1_INDEX_ICACHEOP
6795e5b6527SThomas Bogendoerfer	select WAR_R4600_V1_HIT_CACHEOP
68044def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
681930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6821da177e4SLinus Torvalds	help
6831da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6841da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6851da177e4SLinus Torvalds	  that runs on these, say Y here.
6861da177e4SLinus Torvalds
6871da177e4SLinus Torvaldsconfig SGI_IP27
6883fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
68954aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
690397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
6910e2794b0SRalf Baechle	select FW_ARC
6920e2794b0SRalf Baechle	select FW_ARC64
693e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
6945e83d430SRalf Baechle	select BOOT_ELF64
695e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
69604100459SChristoph Hellwig	select FORCE_PCI
69736a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
698eb01d42aSChristoph Hellwig	select HAVE_PCI
69969a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
700e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
701130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
702a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
703a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7047cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
705ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7065e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
707d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
7081a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
709256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
710930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7116c86a302SMike Rapoport	select NUMA
7121da177e4SLinus Torvalds	help
7131da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
7141da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
7151da177e4SLinus Torvalds	  here.
7161da177e4SLinus Torvalds
717e2defae5SThomas Bogendoerferconfig SGI_IP28
7187d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
719c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
72039b2d756SThomas Bogendoerfer	select ARC_PROMLIB
7210e2794b0SRalf Baechle	select FW_ARC
7220e2794b0SRalf Baechle	select FW_ARC64
7237a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
724e2defae5SThomas Bogendoerfer	select BOOT_ELF64
725e2defae5SThomas Bogendoerfer	select CEVT_R4K
726e2defae5SThomas Bogendoerfer	select CSRC_R4K
727e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
728e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
729e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
73067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7316630a8e5SChristoph Hellwig	select HAVE_EISA
732e2defae5SThomas Bogendoerfer	select I8253
733e2defae5SThomas Bogendoerfer	select I8259
734e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
735e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7365b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
737e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
738e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
739e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
740e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
741e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
742c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
743e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
744e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
745256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
746dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
747e2defae5SThomas Bogendoerfer	help
748e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
749e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
750e2defae5SThomas Bogendoerfer
7517505576dSThomas Bogendoerferconfig SGI_IP30
7527505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7537505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7547505576dSThomas Bogendoerfer	select FW_ARC
7557505576dSThomas Bogendoerfer	select FW_ARC64
7567505576dSThomas Bogendoerfer	select BOOT_ELF64
7577505576dSThomas Bogendoerfer	select CEVT_R4K
7587505576dSThomas Bogendoerfer	select CSRC_R4K
75904100459SChristoph Hellwig	select FORCE_PCI
7607505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7617505576dSThomas Bogendoerfer	select ZONE_DMA32
7627505576dSThomas Bogendoerfer	select HAVE_PCI
7637505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7647505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7657505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7667505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7677505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7687505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7697505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7707505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7717505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
772256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
7737505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7747505576dSThomas Bogendoerfer	select ARC_MEMORY
7757505576dSThomas Bogendoerfer	help
7767505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
7777505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
7787505576dSThomas Bogendoerfer
7791da177e4SLinus Torvaldsconfig SGI_IP32
780cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
78139b2d756SThomas Bogendoerfer	select ARC_MEMORY
78239b2d756SThomas Bogendoerfer	select ARC_PROMLIB
78303df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7840e2794b0SRalf Baechle	select FW_ARC
7850e2794b0SRalf Baechle	select FW_ARC32
7861da177e4SLinus Torvalds	select BOOT_ELF32
78742f77542SRalf Baechle	select CEVT_R4K
788940f6b48SRalf Baechle	select CSRC_R4K
7891da177e4SLinus Torvalds	select DMA_NONCOHERENT
790eb01d42aSChristoph Hellwig	select HAVE_PCI
79167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7921da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7931da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7947cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7957cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7967cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
797dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
798ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7995e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
800886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
8011da177e4SLinus Torvalds	help
8021da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
8031da177e4SLinus Torvalds
804ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
805ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
8065e83d430SRalf Baechle	select BOOT_ELF32
8075e83d430SRalf Baechle	select SIBYTE_BCM1120
8085e83d430SRalf Baechle	select SWAP_IO_SPACE
8097cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8105e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8115e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8125e83d430SRalf Baechle
813ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
814ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
8155e83d430SRalf Baechle	select BOOT_ELF32
8165e83d430SRalf Baechle	select SIBYTE_BCM1120
8175e83d430SRalf Baechle	select SWAP_IO_SPACE
8187cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8195e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8205e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8215e83d430SRalf Baechle
8225e83d430SRalf Baechleconfig SIBYTE_CRHONE
8233fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
8245e83d430SRalf Baechle	select BOOT_ELF32
8255e83d430SRalf Baechle	select SIBYTE_BCM1125
8265e83d430SRalf Baechle	select SWAP_IO_SPACE
8277cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8285e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8295e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8305e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8315e83d430SRalf Baechle
832ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
833ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
834ade299d8SYoichi Yuasa	select BOOT_ELF32
835ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
836ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
837ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
838ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
839ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
840ade299d8SYoichi Yuasa
841ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
842ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
843ade299d8SYoichi Yuasa	select BOOT_ELF32
844fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
845ade299d8SYoichi Yuasa	select SIBYTE_SB1250
846ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
847ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
848ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
849ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
850ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
851cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
852e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
853ade299d8SYoichi Yuasa
854ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
855ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
856ade299d8SYoichi Yuasa	select BOOT_ELF32
857fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
858ade299d8SYoichi Yuasa	select SIBYTE_SB1250
859ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
860ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
861ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
862ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
863ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
864756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
865ade299d8SYoichi Yuasa
866ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
867ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
868ade299d8SYoichi Yuasa	select BOOT_ELF32
869ade299d8SYoichi Yuasa	select SIBYTE_SB1250
870ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
871ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
872ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
873ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
874e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
875ade299d8SYoichi Yuasa
876ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
877ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
878ade299d8SYoichi Yuasa	select BOOT_ELF32
879ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
880ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
881ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
882ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
883ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
884651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
885ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
886cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
887e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
888ade299d8SYoichi Yuasa
88914b36af4SThomas Bogendoerferconfig SNI_RM
89014b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
89139b2d756SThomas Bogendoerfer	select ARC_MEMORY
89239b2d756SThomas Bogendoerfer	select ARC_PROMLIB
8930e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8940e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
895aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8965e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
897a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8987a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8995e83d430SRalf Baechle	select BOOT_ELF32
90042f77542SRalf Baechle	select CEVT_R4K
901940f6b48SRalf Baechle	select CSRC_R4K
902e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
9035e83d430SRalf Baechle	select DMA_NONCOHERENT
9045e83d430SRalf Baechle	select GENERIC_ISA_DMA
9056630a8e5SChristoph Hellwig	select HAVE_EISA
9068a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
907eb01d42aSChristoph Hellwig	select HAVE_PCI
90867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
909d865bea4SRalf Baechle	select I8253
9105e83d430SRalf Baechle	select I8259
9115e83d430SRalf Baechle	select ISA
912564c836fSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_6
9134a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
9147cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
9154a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
916c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
9174a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
91836a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
919ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
9207d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
9214a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
9225e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
9235e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
92444def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
9251da177e4SLinus Torvalds	help
92614b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
92714b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
9285e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
9295e83d430SRalf Baechle	  support this machine type.
9301da177e4SLinus Torvalds
931edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
932edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9335e83d430SRalf Baechle
934edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
935edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
93624a1c023SThomas Bogendoerfer	select WAR_TX49XX_ICACHE_INDEX_INV
93723fbee9dSRalf Baechle
93873b4390fSRalf Baechleconfig MIKROTIK_RB532
93973b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
94073b4390fSRalf Baechle	select CEVT_R4K
94173b4390fSRalf Baechle	select CSRC_R4K
94273b4390fSRalf Baechle	select DMA_NONCOHERENT
943eb01d42aSChristoph Hellwig	select HAVE_PCI
94467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
94573b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
94673b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
94773b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
94873b4390fSRalf Baechle	select SWAP_IO_SPACE
94973b4390fSRalf Baechle	select BOOT_RAW
950d30a2b47SLinus Walleij	select GPIOLIB
951930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
95273b4390fSRalf Baechle	help
95373b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
95473b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
95573b4390fSRalf Baechle
9569ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9579ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
958a86c7f72SDavid Daney	select CEVT_R4K
959ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9601753d50cSChristoph Hellwig	select HAVE_RAPIDIO
961d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
962a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
963a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
964f65aad41SRalf Baechle	select EDAC_SUPPORT
965b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
96673569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
96773569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
968a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9695e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
970eb01d42aSChristoph Hellwig	select HAVE_PCI
97178bdbbacSMasahiro Yamada	select HAVE_PLAT_DELAY
97278bdbbacSMasahiro Yamada	select HAVE_PLAT_FW_INIT_CMDLINE
97378bdbbacSMasahiro Yamada	select HAVE_PLAT_MEMCPY
974f00e001eSDavid Daney	select ZONE_DMA32
975d30a2b47SLinus Walleij	select GPIOLIB
9766e511163SDavid Daney	select USE_OF
9776e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9786e511163SDavid Daney	select SYS_SUPPORTS_SMP
9797820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9807820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
981e326479fSAndrew Bresticker	select BUILTIN_DTB
982f766b28aSJulian Braha	select MTD
9838c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
98409230cbcSChristoph Hellwig	select SWIOTLB
9853ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
986a86c7f72SDavid Daney	help
987a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
988a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
989a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
990a86c7f72SDavid Daney	  Some of the supported boards are:
991a86c7f72SDavid Daney		EBT3000
992a86c7f72SDavid Daney		EBH3000
993a86c7f72SDavid Daney		EBH3100
994a86c7f72SDavid Daney		Thunder
995a86c7f72SDavid Daney		Kodama
996a86c7f72SDavid Daney		Hikari
997a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
998a86c7f72SDavid Daney
9991da177e4SLinus Torvaldsendchoice
10001da177e4SLinus Torvalds
1001e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10023b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1003d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1004a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1005e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10068945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1007eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
1008a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig"
10095e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10108ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10112572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1012ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
101329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
101438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
101522b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10165e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1017a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
101871e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
101930ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
102030ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
102138b18f72SRalf Baechle
10225e83d430SRalf Baechleendmenu
10235e83d430SRalf Baechle
10243c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10253c9ee7efSAkinobu Mita	bool
10263c9ee7efSAkinobu Mita	default y
10273c9ee7efSAkinobu Mita
10281da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10291da177e4SLinus Torvalds	bool
10301da177e4SLinus Torvalds	default y
10311da177e4SLinus Torvalds
1032ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10331cc89038SAtsushi Nemoto	bool
10341cc89038SAtsushi Nemoto	default y
10351cc89038SAtsushi Nemoto
10361da177e4SLinus Torvalds#
10371da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10381da177e4SLinus Torvalds#
10390e2794b0SRalf Baechleconfig FW_ARC
10401da177e4SLinus Torvalds	bool
10411da177e4SLinus Torvalds
104261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
104361ed242dSRalf Baechle	bool
104461ed242dSRalf Baechle
10459267a30dSMarc St-Jeanconfig BOOT_RAW
10469267a30dSMarc St-Jean	bool
10479267a30dSMarc St-Jean
1048217dd11eSRalf Baechleconfig CEVT_BCM1480
1049217dd11eSRalf Baechle	bool
1050217dd11eSRalf Baechle
10516457d9fcSYoichi Yuasaconfig CEVT_DS1287
10526457d9fcSYoichi Yuasa	bool
10536457d9fcSYoichi Yuasa
10541097c6acSYoichi Yuasaconfig CEVT_GT641XX
10551097c6acSYoichi Yuasa	bool
10561097c6acSYoichi Yuasa
105742f77542SRalf Baechleconfig CEVT_R4K
105842f77542SRalf Baechle	bool
105942f77542SRalf Baechle
1060217dd11eSRalf Baechleconfig CEVT_SB1250
1061217dd11eSRalf Baechle	bool
1062217dd11eSRalf Baechle
1063229f773eSAtsushi Nemotoconfig CEVT_TXX9
1064229f773eSAtsushi Nemoto	bool
1065229f773eSAtsushi Nemoto
1066217dd11eSRalf Baechleconfig CSRC_BCM1480
1067217dd11eSRalf Baechle	bool
1068217dd11eSRalf Baechle
10694247417dSYoichi Yuasaconfig CSRC_IOASIC
10704247417dSYoichi Yuasa	bool
10714247417dSYoichi Yuasa
1072940f6b48SRalf Baechleconfig CSRC_R4K
107338586428SSerge Semin	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1074940f6b48SRalf Baechle	bool
1075940f6b48SRalf Baechle
1076217dd11eSRalf Baechleconfig CSRC_SB1250
1077217dd11eSRalf Baechle	bool
1078217dd11eSRalf Baechle
1079a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1080a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1081a7f4df4eSAlex Smith
1082a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1083d30a2b47SLinus Walleij	select GPIOLIB
1084a9aec7feSAtsushi Nemoto	bool
1085a9aec7feSAtsushi Nemoto
10860e2794b0SRalf Baechleconfig FW_CFE
1087df78b5c8SAurelien Jarno	bool
1088df78b5c8SAurelien Jarno
108940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
109040e084a5SRalf Baechle	bool
109140e084a5SRalf Baechle
109220d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
109320d33064SPaul Burton	bool
1094347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
10955748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
109620d33064SPaul Burton
10971da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
10981da177e4SLinus Torvalds	bool
1099db91427bSChristoph Hellwig	#
1100db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1101db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1102db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1103db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1104db91427bSChristoph Hellwig	# significant advantages.
1105db91427bSChristoph Hellwig	#
1106419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1107fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_PREP_COHERENT
1108f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1109fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_SET_UNCACHED
111034dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
111134dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11124ce588cdSRalf Baechle
111336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11141da177e4SLinus Torvalds	bool
11151da177e4SLinus Torvalds
11161b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1117dbb74540SRalf Baechle	bool
1118dbb74540SRalf Baechle
11191da177e4SLinus Torvaldsconfig MIPS_BONITO64
11201da177e4SLinus Torvalds	bool
11211da177e4SLinus Torvalds
11221da177e4SLinus Torvaldsconfig MIPS_MSC
11231da177e4SLinus Torvalds	bool
11241da177e4SLinus Torvalds
112539b8d525SRalf Baechleconfig SYNC_R4K
112639b8d525SRalf Baechle	bool
112739b8d525SRalf Baechle
1128ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1129d388d685SMaciej W. Rozycki	def_bool n
1130d388d685SMaciej W. Rozycki
11314e0748f5SMarkos Chandrasconfig GENERIC_CSUM
113218d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
11334e0748f5SMarkos Chandras
11348313da30SRalf Baechleconfig GENERIC_ISA_DMA
11358313da30SRalf Baechle	bool
11368313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1137a35bee8aSNamhyung Kim	select ISA_DMA_API
11388313da30SRalf Baechle
1139aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1140aa414dffSRalf Baechle	bool
11418313da30SRalf Baechle	select GENERIC_ISA_DMA
1142aa414dffSRalf Baechle
114378bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY
114478bdbbacSMasahiro Yamada	bool
114578bdbbacSMasahiro Yamada
114678bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE
114778bdbbacSMasahiro Yamada	bool
114878bdbbacSMasahiro Yamada
114978bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY
115078bdbbacSMasahiro Yamada	bool
115178bdbbacSMasahiro Yamada
1152a35bee8aSNamhyung Kimconfig ISA_DMA_API
1153a35bee8aSNamhyung Kim	bool
1154a35bee8aSNamhyung Kim
11558c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
11568c530ea3SMatt Redfearn	bool
11578c530ea3SMatt Redfearn	help
11588c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
11598c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
11608c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
11618c530ea3SMatt Redfearn
11625e83d430SRalf Baechle#
11636b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
11645e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
11655e83d430SRalf Baechle# choice statement should be more obvious to the user.
11665e83d430SRalf Baechle#
11675e83d430SRalf Baechlechoice
11686b2aac42SMasanari Iida	prompt "Endianness selection"
11691da177e4SLinus Torvalds	help
11701da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
11715e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
11723cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
11735e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
11743dde6ad8SDavid Sterba	  one or the other endianness.
11755e83d430SRalf Baechle
11765e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
11775e83d430SRalf Baechle	bool "Big endian"
11785e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
11795e83d430SRalf Baechle
11805e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
11815e83d430SRalf Baechle	bool "Little endian"
11825e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
11835e83d430SRalf Baechle
11845e83d430SRalf Baechleendchoice
11855e83d430SRalf Baechle
118622b0763aSDavid Daneyconfig EXPORT_UASM
118722b0763aSDavid Daney	bool
118822b0763aSDavid Daney
11892116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
11902116245eSRalf Baechle	bool
11912116245eSRalf Baechle
11925e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
11935e83d430SRalf Baechle	bool
11945e83d430SRalf Baechle
11955e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
11965e83d430SRalf Baechle	bool
11971da177e4SLinus Torvalds
1198aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1199aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1200aa1762f4SDavid Daney
12019267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12029267a30dSMarc St-Jean	bool
12039267a30dSMarc St-Jean
12049267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12059267a30dSMarc St-Jean	bool
12069267a30dSMarc St-Jean
12078420fd00SAtsushi Nemotoconfig IRQ_TXX9
12088420fd00SAtsushi Nemoto	bool
12098420fd00SAtsushi Nemoto
1210d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1211d5ab1a69SYoichi Yuasa	bool
1212d5ab1a69SYoichi Yuasa
1213252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12141da177e4SLinus Torvalds	bool
12151da177e4SLinus Torvalds
1216a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1217a57140e9SThomas Bogendoerfer	bool
1218a57140e9SThomas Bogendoerfer
12199267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12209267a30dSMarc St-Jean	bool
12219267a30dSMarc St-Jean
1222a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1223a7e07b1aSMarkos Chandras	bool
1224a7e07b1aSMarkos Chandras
12251da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12261da177e4SLinus Torvalds	bool
12271da177e4SLinus Torvalds
1228e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1229e2defae5SThomas Bogendoerfer	bool
1230e2defae5SThomas Bogendoerfer
12315b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12325b438c44SThomas Bogendoerfer	bool
12335b438c44SThomas Bogendoerfer
1234e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1235e2defae5SThomas Bogendoerfer	bool
1236e2defae5SThomas Bogendoerfer
1237e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1238e2defae5SThomas Bogendoerfer	bool
1239e2defae5SThomas Bogendoerfer
1240e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1241e2defae5SThomas Bogendoerfer	bool
1242e2defae5SThomas Bogendoerfer
1243e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1244e2defae5SThomas Bogendoerfer	bool
1245e2defae5SThomas Bogendoerfer
1246e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1247e2defae5SThomas Bogendoerfer	bool
1248e2defae5SThomas Bogendoerfer
12490e2794b0SRalf Baechleconfig FW_ARC32
12505e83d430SRalf Baechle	bool
12515e83d430SRalf Baechle
1252aaa9fad3SPaul Bolleconfig FW_SNIPROM
1253231a35d3SThomas Bogendoerfer	bool
1254231a35d3SThomas Bogendoerfer
12551da177e4SLinus Torvaldsconfig BOOT_ELF32
12561da177e4SLinus Torvalds	bool
12571da177e4SLinus Torvalds
1258930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1259930beb5aSFlorian Fainelli	bool
1260930beb5aSFlorian Fainelli
1261930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1262930beb5aSFlorian Fainelli	bool
1263930beb5aSFlorian Fainelli
1264930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1265930beb5aSFlorian Fainelli	bool
1266930beb5aSFlorian Fainelli
1267930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1268930beb5aSFlorian Fainelli	bool
1269930beb5aSFlorian Fainelli
12701da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
12711da177e4SLinus Torvalds	int
1272a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
12735432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
12745432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
12755432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
12761da177e4SLinus Torvalds	default "5"
12771da177e4SLinus Torvalds
1278e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1279e9422427SThomas Bogendoerfer	bool
1280e9422427SThomas Bogendoerfer
12811da177e4SLinus Torvaldsconfig ARC_CONSOLE
12821da177e4SLinus Torvalds	bool "ARC console support"
1283e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
12841da177e4SLinus Torvalds
12851da177e4SLinus Torvaldsconfig ARC_MEMORY
12861da177e4SLinus Torvalds	bool
12871da177e4SLinus Torvalds
12881da177e4SLinus Torvaldsconfig ARC_PROMLIB
12891da177e4SLinus Torvalds	bool
12901da177e4SLinus Torvalds
12910e2794b0SRalf Baechleconfig FW_ARC64
12921da177e4SLinus Torvalds	bool
12931da177e4SLinus Torvalds
12941da177e4SLinus Torvaldsconfig BOOT_ELF64
12951da177e4SLinus Torvalds	bool
12961da177e4SLinus Torvalds
12971da177e4SLinus Torvaldsmenu "CPU selection"
12981da177e4SLinus Torvalds
12991da177e4SLinus Torvaldschoice
13001da177e4SLinus Torvalds	prompt "CPU type"
13011da177e4SLinus Torvalds	default CPU_R4X00
13021da177e4SLinus Torvalds
1303268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1304caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1305268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1306d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
130751522217SJiaxun Yang	select CPU_MIPSR2
130851522217SJiaxun Yang	select CPU_HAS_PREFETCH
13090e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13100e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13110e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
13127507445bSHuacai Chen	select CPU_SUPPORTS_MSA
131351522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
131451522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
13150e476d91SHuacai Chen	select WEAK_ORDERING
13160e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
13177507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1318b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
131917c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
13207f3b3c2bSJackie Liu	select MIPS_FP_SUPPORT
1321d30a2b47SLinus Walleij	select GPIOLIB
132209230cbcSChristoph Hellwig	select SWIOTLB
13230f78355cSHuacai Chen	select HAVE_KVM
13240e476d91SHuacai Chen	help
1325caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1326caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1327caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1328caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1329caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
13300e476d91SHuacai Chen
1331caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1332caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
13331e820da3SHuacai Chen	default n
1334268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
13351e820da3SHuacai Chen	help
1336caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
13371e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1338268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
13391e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
13401e820da3SHuacai Chen	  Fast TLB refill support, etc.
13411e820da3SHuacai Chen
13421e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
13431e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
13441e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1345caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
13461e820da3SHuacai Chen
1347e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1348caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1349e02e07e3SHuacai Chen	default y if SMP
1350268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1351e02e07e3SHuacai Chen	help
1352caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1353e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1354e02e07e3SHuacai Chen
1355caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1356e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1357e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1358e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1359e02e07e3SHuacai Chen
1360e02e07e3SHuacai Chen	  If unsure, please say Y.
1361e02e07e3SHuacai Chen
1362ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION
1363ec7a9318SWANG Xuerui	bool "Emulate the CPUCFG instruction on older Loongson cores"
1364ec7a9318SWANG Xuerui	default y
1365ec7a9318SWANG Xuerui	depends on CPU_LOONGSON64
1366ec7a9318SWANG Xuerui	help
1367ec7a9318SWANG Xuerui	  Loongson-3A R4 and newer have the CPUCFG instruction available for
1368ec7a9318SWANG Xuerui	  userland to query CPU capabilities, much like CPUID on x86. This
1369ec7a9318SWANG Xuerui	  option provides emulation of the instruction on older Loongson
1370ec7a9318SWANG Xuerui	  cores, back to Loongson-3A1000.
1371ec7a9318SWANG Xuerui
1372ec7a9318SWANG Xuerui	  If unsure, please say Y.
1373ec7a9318SWANG Xuerui
13743702bba5SWu Zhangjinconfig CPU_LOONGSON2E
13753702bba5SWu Zhangjin	bool "Loongson 2E"
13763702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1377268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
13782a21c730SFuxin Zhang	help
13792a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
13802a21c730SFuxin Zhang	  with many extensions.
13812a21c730SFuxin Zhang
138225985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
13836f7a251aSWu Zhangjin	  bonito64.
13846f7a251aSWu Zhangjin
13856f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
13866f7a251aSWu Zhangjin	bool "Loongson 2F"
13876f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1388268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1389d30a2b47SLinus Walleij	select GPIOLIB
13906f7a251aSWu Zhangjin	help
13916f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
13926f7a251aSWu Zhangjin	  with many extensions.
13936f7a251aSWu Zhangjin
13946f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
13956f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
13966f7a251aSWu Zhangjin	  Loongson2E.
13976f7a251aSWu Zhangjin
1398ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1399ca585cf9SKelvin Cheung	bool "Loongson 1B"
1400ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1401b2afb64cSHuacai Chen	select CPU_LOONGSON32
14029ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1403ca585cf9SKelvin Cheung	help
1404ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1405968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1406968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1407ca585cf9SKelvin Cheung
140812e3280bSYang Lingconfig CPU_LOONGSON1C
140912e3280bSYang Ling	bool "Loongson 1C"
141012e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1411b2afb64cSHuacai Chen	select CPU_LOONGSON32
141212e3280bSYang Ling	select LEDS_GPIO_REGISTER
141312e3280bSYang Ling	help
141412e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1415968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1416968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
141712e3280bSYang Ling
14186e760c8dSRalf Baechleconfig CPU_MIPS32_R1
14196e760c8dSRalf Baechle	bool "MIPS32 Release 1"
14207cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
14216e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1422797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1423ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14246e760c8dSRalf Baechle	help
14255e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14261e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14271e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14281e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14291e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14301e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
14311e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
14321e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
14331e5f1caaSRalf Baechle	  performance.
14341e5f1caaSRalf Baechle
14351e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
14361e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
14377cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
14381e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1439797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1440ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1441a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
14422235a54dSSanjay Lal	select HAVE_KVM
14431e5f1caaSRalf Baechle	help
14445e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
14456e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14466e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14476e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14486e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14491da177e4SLinus Torvalds
1450ab7c01fdSSerge Seminconfig CPU_MIPS32_R5
1451ab7c01fdSSerge Semin	bool "MIPS32 Release 5"
1452ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS32_R5
1453ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1454ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1455ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1456ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1457ab7c01fdSSerge Semin	select HAVE_KVM
1458ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT
1459ab7c01fdSSerge Semin	help
1460ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1461ab7c01fdSSerge Semin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1462ab7c01fdSSerge Semin	  family, are based on a MIPS32r5 processor. If you own an older
1463ab7c01fdSSerge Semin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1464ab7c01fdSSerge Semin
14657fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1466674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
14677fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
14687fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
146918d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
14707fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
14717fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
14727fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
14737fd08ca5SLeonid Yegoshin	select HAVE_KVM
14747fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
14757fd08ca5SLeonid Yegoshin	help
14767fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
14777fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
14787fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
14797fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
14807fd08ca5SLeonid Yegoshin
14816e760c8dSRalf Baechleconfig CPU_MIPS64_R1
14826e760c8dSRalf Baechle	bool "MIPS64 Release 1"
14837cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1484797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1485ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1486ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1487ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14889cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
14896e760c8dSRalf Baechle	help
14906e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14916e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
14926e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
14936e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
14946e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
14951e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
14961e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
14971e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
14981e5f1caaSRalf Baechle	  performance.
14991e5f1caaSRalf Baechle
15001e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15011e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15027cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1503797798c1SRalf Baechle	select CPU_HAS_PREFETCH
15041e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15051e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1506ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15079cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1508a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
150940a2df49SJames Hogan	select HAVE_KVM
15101e5f1caaSRalf Baechle	help
15111e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15121e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15131e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15141e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15151e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15161da177e4SLinus Torvalds
1517ab7c01fdSSerge Seminconfig CPU_MIPS64_R5
1518ab7c01fdSSerge Semin	bool "MIPS64 Release 5"
1519ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS64_R5
1520ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1521ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1522ab7c01fdSSerge Semin	select CPU_SUPPORTS_64BIT_KERNEL
1523ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1524ab7c01fdSSerge Semin	select CPU_SUPPORTS_HUGEPAGES
1525ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1526ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1527ab7c01fdSSerge Semin	select HAVE_KVM
1528ab7c01fdSSerge Semin	help
1529ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1530ab7c01fdSSerge Semin	  MIPS64 architecture.  This is a intermediate MIPS architecture
1531ab7c01fdSSerge Semin	  release partly implementing release 6 features. Though there is no
1532ab7c01fdSSerge Semin	  any hardware known to be based on this release.
1533ab7c01fdSSerge Semin
15347fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1535674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
15367fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
15377fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
153818d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15397fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15407fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
15417fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1542afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
15437fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15442e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
154540a2df49SJames Hogan	select HAVE_KVM
15467fd08ca5SLeonid Yegoshin	help
15477fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15487fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
15497fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
15507fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
15517fd08ca5SLeonid Yegoshin
1552281e3aeaSSerge Seminconfig CPU_P5600
1553281e3aeaSSerge Semin	bool "MIPS Warrior P5600"
1554281e3aeaSSerge Semin	depends on SYS_HAS_CPU_P5600
1555281e3aeaSSerge Semin	select CPU_HAS_PREFETCH
1556281e3aeaSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1557281e3aeaSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1558281e3aeaSSerge Semin	select CPU_SUPPORTS_MSA
1559281e3aeaSSerge Semin	select CPU_SUPPORTS_CPUFREQ
1560281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_VI
1561281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_EI
1562281e3aeaSSerge Semin	select HAVE_KVM
1563281e3aeaSSerge Semin	select MIPS_O32_FP64_SUPPORT
1564281e3aeaSSerge Semin	help
1565281e3aeaSSerge Semin	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1566281e3aeaSSerge Semin	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1567281e3aeaSSerge Semin	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1568281e3aeaSSerge Semin	  level features like up to six P5600 calculation cores, CM2 with L2
1569281e3aeaSSerge Semin	  cache, IOCU/IOMMU (though might be unused depending on the system-
1570281e3aeaSSerge Semin	  specific IP core configuration), GIC, CPC, virtualisation module,
1571281e3aeaSSerge Semin	  eJTAG and PDtrace.
1572281e3aeaSSerge Semin
15731da177e4SLinus Torvaldsconfig CPU_R3000
15741da177e4SLinus Torvalds	bool "R3000"
15757cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1576f7062ddbSRalf Baechle	select CPU_HAS_WB
157754746829SPaul Burton	select CPU_R3K_TLB
1578ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1579797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15801da177e4SLinus Torvalds	help
15811da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
15821da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
15831da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
15841da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
15851da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
15861da177e4SLinus Torvalds	  try to recompile with R3000.
15871da177e4SLinus Torvalds
15881da177e4SLinus Torvaldsconfig CPU_TX39XX
15891da177e4SLinus Torvalds	bool "R39XX"
15907cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1591ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
159254746829SPaul Burton	select CPU_R3K_TLB
15931da177e4SLinus Torvalds
15941da177e4SLinus Torvaldsconfig CPU_VR41XX
15951da177e4SLinus Torvalds	bool "R41xx"
15967cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1597ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1598ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
15991da177e4SLinus Torvalds	help
16005e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16011da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16021da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16031da177e4SLinus Torvalds	  processor or vice versa.
16041da177e4SLinus Torvalds
160565ce6197SLauri Kasanenconfig CPU_R4300
160665ce6197SLauri Kasanen	bool "R4300"
160765ce6197SLauri Kasanen	depends on SYS_HAS_CPU_R4300
160865ce6197SLauri Kasanen	select CPU_SUPPORTS_32BIT_KERNEL
160965ce6197SLauri Kasanen	select CPU_SUPPORTS_64BIT_KERNEL
161065ce6197SLauri Kasanen	help
161165ce6197SLauri Kasanen	  MIPS Technologies R4300-series processors.
161265ce6197SLauri Kasanen
16131da177e4SLinus Torvaldsconfig CPU_R4X00
16141da177e4SLinus Torvalds	bool "R4x00"
16157cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1616ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1617ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1618970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16191da177e4SLinus Torvalds	help
16201da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16211da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16221da177e4SLinus Torvalds
16231da177e4SLinus Torvaldsconfig CPU_TX49XX
16241da177e4SLinus Torvalds	bool "R49XX"
16257cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1626de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1627ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1628ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1629970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16301da177e4SLinus Torvalds
16311da177e4SLinus Torvaldsconfig CPU_R5000
16321da177e4SLinus Torvalds	bool "R5000"
16337cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1634ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1635ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1636970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16371da177e4SLinus Torvalds	help
16381da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16391da177e4SLinus Torvalds
1640542c1020SShinya Kuribayashiconfig CPU_R5500
1641542c1020SShinya Kuribayashi	bool "R5500"
1642542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1643542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1644542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
16459cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1646542c1020SShinya Kuribayashi	help
1647542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1648542c1020SShinya Kuribayashi	  instruction set.
1649542c1020SShinya Kuribayashi
16501da177e4SLinus Torvaldsconfig CPU_NEVADA
16511da177e4SLinus Torvalds	bool "RM52xx"
16527cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1653ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1654ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1655970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16561da177e4SLinus Torvalds	help
16571da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
16581da177e4SLinus Torvalds
16591da177e4SLinus Torvaldsconfig CPU_R10000
16601da177e4SLinus Torvalds	bool "R10000"
16617cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
16625e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1663ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1664ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1665797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1666970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16671da177e4SLinus Torvalds	help
16681da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
16691da177e4SLinus Torvalds
16701da177e4SLinus Torvaldsconfig CPU_RM7000
16711da177e4SLinus Torvalds	bool "RM7000"
16727cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
16735e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1674ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1675ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1676797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1677970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16781da177e4SLinus Torvalds
16791da177e4SLinus Torvaldsconfig CPU_SB1
16801da177e4SLinus Torvalds	bool "SB1"
16817cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1682ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1683ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1684797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1685970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16860004a9dfSRalf Baechle	select WEAK_ORDERING
16871da177e4SLinus Torvalds
1688a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1689a86c7f72SDavid Daney	bool "Cavium Octeon processor"
16905e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1691a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1692a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1693a86c7f72SDavid Daney	select WEAK_ORDERING
1694a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
16959cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1696df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1697df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1698930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
16990ae3abcdSJames Hogan	select HAVE_KVM
1700a86c7f72SDavid Daney	help
1701a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1702a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1703a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1704a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1705a86c7f72SDavid Daney
1706cd746249SJonas Gorskiconfig CPU_BMIPS
1707cd746249SJonas Gorski	bool "Broadcom BMIPS"
1708cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1709cd746249SJonas Gorski	select CPU_MIPS32
1710fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1711cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1712cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1713cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1714cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1715cd746249SJonas Gorski	select DMA_NONCOHERENT
171667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1717cd746249SJonas Gorski	select SWAP_IO_SPACE
1718cd746249SJonas Gorski	select WEAK_ORDERING
1719c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
172069aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1721a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1722a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1723bf8bde41SFlorian Fainelli	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1724c1c0c461SKevin Cernekee	help
1725fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1726c1c0c461SKevin Cernekee
17271da177e4SLinus Torvaldsendchoice
17281da177e4SLinus Torvalds
1729a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1730a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1731a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
1732281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1733281e3aeaSSerge Semin		   CPU_P5600
1734a6e18781SLeonid Yegoshin	help
1735a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1736a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1737a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1738a6e18781SLeonid Yegoshin
1739a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1740a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1741a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1742a6e18781SLeonid Yegoshin	select EVA
1743a6e18781SLeonid Yegoshin	default y
1744a6e18781SLeonid Yegoshin	help
1745a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1746a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1747a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1748a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1749a6e18781SLeonid Yegoshin
1750c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1751c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1752c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1753281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1754c5b36783SSteven J. Hill	help
1755c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1756c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1757c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1758c5b36783SSteven J. Hill
1759c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1760c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1761c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1762c5b36783SSteven J. Hill	depends on !EVA
1763c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1764c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1765c5b36783SSteven J. Hill	select XPA
1766c5b36783SSteven J. Hill	select HIGHMEM
1767d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1768c5b36783SSteven J. Hill	default n
1769c5b36783SSteven J. Hill	help
1770c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1771c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1772c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1773c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1774c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1775c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1776c5b36783SSteven J. Hill
1777622844bfSWu Zhangjinif CPU_LOONGSON2F
1778622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1779622844bfSWu Zhangjin	bool
1780622844bfSWu Zhangjin
1781622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1782622844bfSWu Zhangjin	bool
1783622844bfSWu Zhangjin
1784622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1785622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1786622844bfSWu Zhangjin	default y
1787622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1788622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1789622844bfSWu Zhangjin	help
1790622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1791622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1792622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1793622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1794622844bfSWu Zhangjin
1795622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1796622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1797622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1798622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1799622844bfSWu Zhangjin	  systems.
1800622844bfSWu Zhangjin
1801622844bfSWu Zhangjin	  If unsure, please say Y.
1802622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1803622844bfSWu Zhangjin
18041b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18051b93b3c3SWu Zhangjin	bool
18061b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18071b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
180831c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18091b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1810fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18114e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
1812a510b616SPaul Cercueil	select HAVE_KERNEL_ZSTD
18131b93b3c3SWu Zhangjin
18141b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18151b93b3c3SWu Zhangjin	bool
18161b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18171b93b3c3SWu Zhangjin
1818dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1819dbb98314SAlban Bedel	bool
1820dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1821dbb98314SAlban Bedel
1822268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
18233702bba5SWu Zhangjin	bool
18243702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
18253702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
18263702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1827970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1828e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
18293702bba5SWu Zhangjin
1830b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1831ca585cf9SKelvin Cheung	bool
1832ca585cf9SKelvin Cheung	select CPU_MIPS32
18337e280f6bSJiaxun Yang	select CPU_MIPSR2
1834ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1835ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1836ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1837f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1838ca585cf9SKelvin Cheung
1839fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
184004fa8bf7SJonas Gorski	select SMP_UP if SMP
18411bbb6c1bSKevin Cernekee	bool
1842cd746249SJonas Gorski
1843cd746249SJonas Gorskiconfig CPU_BMIPS4350
1844cd746249SJonas Gorski	bool
1845cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1846cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1847cd746249SJonas Gorski
1848cd746249SJonas Gorskiconfig CPU_BMIPS4380
1849cd746249SJonas Gorski	bool
1850bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1851cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1852cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1853b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1854cd746249SJonas Gorski
1855cd746249SJonas Gorskiconfig CPU_BMIPS5000
1856cd746249SJonas Gorski	bool
1857cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1858bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1859cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1860cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1861b4720809SFlorian Fainelli	select CPU_HAS_RIXI
18621bbb6c1bSKevin Cernekee
1863268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
18640e476d91SHuacai Chen	bool
18650e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1866b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
18670e476d91SHuacai Chen
18683702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
18692a21c730SFuxin Zhang	bool
18702a21c730SFuxin Zhang
18716f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
18726f7a251aSWu Zhangjin	bool
187355045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
187455045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
18756f7a251aSWu Zhangjin
1876ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1877ca585cf9SKelvin Cheung	bool
1878ca585cf9SKelvin Cheung
187912e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
188012e3280bSYang Ling	bool
188112e3280bSYang Ling
18827cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
18837cf8053bSRalf Baechle	bool
18847cf8053bSRalf Baechle
18857cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
18867cf8053bSRalf Baechle	bool
18877cf8053bSRalf Baechle
1888a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1889a6e18781SLeonid Yegoshin	bool
1890a6e18781SLeonid Yegoshin
1891c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1892c5b36783SSteven J. Hill	bool
18939ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1894c5b36783SSteven J. Hill
18957fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
18967fd08ca5SLeonid Yegoshin	bool
18979ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
18987fd08ca5SLeonid Yegoshin
18997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
19007cf8053bSRalf Baechle	bool
19017cf8053bSRalf Baechle
19027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19037cf8053bSRalf Baechle	bool
19047cf8053bSRalf Baechle
1905fd4eb90bSLukas Bulwahnconfig SYS_HAS_CPU_MIPS64_R5
1906fd4eb90bSLukas Bulwahn	bool
1907fd4eb90bSLukas Bulwahn	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1908fd4eb90bSLukas Bulwahn
19097fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19107fd08ca5SLeonid Yegoshin	bool
19119ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19127fd08ca5SLeonid Yegoshin
1913281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600
1914281e3aeaSSerge Semin	bool
1915281e3aeaSSerge Semin	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1916281e3aeaSSerge Semin
19177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19187cf8053bSRalf Baechle	bool
19197cf8053bSRalf Baechle
19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19217cf8053bSRalf Baechle	bool
19227cf8053bSRalf Baechle
19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19247cf8053bSRalf Baechle	bool
19257cf8053bSRalf Baechle
192665ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300
192765ce6197SLauri Kasanen	bool
192865ce6197SLauri Kasanen
19297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
19307cf8053bSRalf Baechle	bool
19317cf8053bSRalf Baechle
19327cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
19337cf8053bSRalf Baechle	bool
19347cf8053bSRalf Baechle
19357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
19367cf8053bSRalf Baechle	bool
19377cf8053bSRalf Baechle
1938542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1939542c1020SShinya Kuribayashi	bool
1940542c1020SShinya Kuribayashi
19417cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
19427cf8053bSRalf Baechle	bool
19437cf8053bSRalf Baechle
19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
19457cf8053bSRalf Baechle	bool
19469ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19477cf8053bSRalf Baechle
19487cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
19497cf8053bSRalf Baechle	bool
19507cf8053bSRalf Baechle
19517cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
19527cf8053bSRalf Baechle	bool
19537cf8053bSRalf Baechle
19545e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
19555e683389SDavid Daney	bool
19565e683389SDavid Daney
1957cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
1958c1c0c461SKevin Cernekee	bool
1959c1c0c461SKevin Cernekee
1960fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
1961c1c0c461SKevin Cernekee	bool
1962cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1963c1c0c461SKevin Cernekee
1964c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
1965c1c0c461SKevin Cernekee	bool
1966cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1967c1c0c461SKevin Cernekee
1968c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
1969c1c0c461SKevin Cernekee	bool
1970cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1971c1c0c461SKevin Cernekee
1972c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
1973c1c0c461SKevin Cernekee	bool
1974cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
1975f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
1976c1c0c461SKevin Cernekee
197717099b11SRalf Baechle#
197817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
197917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
198017099b11SRalf Baechle#
19810004a9dfSRalf Baechleconfig WEAK_ORDERING
19820004a9dfSRalf Baechle	bool
198317099b11SRalf Baechle
198417099b11SRalf Baechle#
198517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
198617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
198717099b11SRalf Baechle#
198817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
198917099b11SRalf Baechle	bool
19905e83d430SRalf Baechleendmenu
19915e83d430SRalf Baechle
19925e83d430SRalf Baechle#
19935e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
19945e83d430SRalf Baechle#
19955e83d430SRalf Baechleconfig CPU_MIPS32
19965e83d430SRalf Baechle	bool
1997ab7c01fdSSerge Semin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1998281e3aeaSSerge Semin		     CPU_MIPS32_R6 || CPU_P5600
19995e83d430SRalf Baechle
20005e83d430SRalf Baechleconfig CPU_MIPS64
20015e83d430SRalf Baechle	bool
2002ab7c01fdSSerge Semin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
20035a4fa44fSJason A. Donenfeld		     CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
20045e83d430SRalf Baechle
20055e83d430SRalf Baechle#
200657eeacedSPaul Burton# These indicate the revision of the architecture
20075e83d430SRalf Baechle#
20085e83d430SRalf Baechleconfig CPU_MIPSR1
20095e83d430SRalf Baechle	bool
20105e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20115e83d430SRalf Baechle
20125e83d430SRalf Baechleconfig CPU_MIPSR2
20135e83d430SRalf Baechle	bool
2014a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20158256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2016ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2017a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20185e83d430SRalf Baechle
2019ab7c01fdSSerge Seminconfig CPU_MIPSR5
2020ab7c01fdSSerge Semin	bool
2021281e3aeaSSerge Semin	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
2022ab7c01fdSSerge Semin	select CPU_HAS_RIXI
2023ab7c01fdSSerge Semin	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2024ab7c01fdSSerge Semin	select MIPS_SPRAM
2025ab7c01fdSSerge Semin
20267fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20277fd08ca5SLeonid Yegoshin	bool
20287fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20298256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2030ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
203187321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
20322db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
20334a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2034a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20355e83d430SRalf Baechle
203657eeacedSPaul Burtonconfig TARGET_ISA_REV
203757eeacedSPaul Burton	int
203857eeacedSPaul Burton	default 1 if CPU_MIPSR1
203957eeacedSPaul Burton	default 2 if CPU_MIPSR2
2040ab7c01fdSSerge Semin	default 5 if CPU_MIPSR5
204157eeacedSPaul Burton	default 6 if CPU_MIPSR6
204257eeacedSPaul Burton	default 0
204357eeacedSPaul Burton	help
204457eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
204557eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
204657eeacedSPaul Burton
2047a6e18781SLeonid Yegoshinconfig EVA
2048a6e18781SLeonid Yegoshin	bool
2049a6e18781SLeonid Yegoshin
2050c5b36783SSteven J. Hillconfig XPA
2051c5b36783SSteven J. Hill	bool
2052c5b36783SSteven J. Hill
20535e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
20545e83d430SRalf Baechle	bool
20555e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
20565e83d430SRalf Baechle	bool
20575e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
20585e83d430SRalf Baechle	bool
20595e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
20605e83d430SRalf Baechle	bool
206155045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
206255045ff5SWu Zhangjin	bool
206355045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
206455045ff5SWu Zhangjin	bool
20659cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
20669cffd154SDavid Daney	bool
2067*a670c82dSLukas Bulwahn	depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
206882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
206982622284SDavid Daney	bool
2070c6972fb9SHuang Pei	depends on 64BIT
207195b8a5e0SThomas Bogendoerfer	default y if (CPU_MIPSR2 || CPU_MIPSR6)
20725e83d430SRalf Baechle
20738192c9eaSDavid Daney#
20748192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
20758192c9eaSDavid Daney#
20768192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
20778192c9eaSDavid Daney	bool
2078679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
20798192c9eaSDavid Daney
20805e83d430SRalf Baechlemenu "Kernel type"
20815e83d430SRalf Baechle
20825e83d430SRalf Baechlechoice
20835e83d430SRalf Baechle	prompt "Kernel code model"
20845e83d430SRalf Baechle	help
20855e83d430SRalf Baechle	  You should only select this option if you have a workload that
20865e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
20875e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
20885e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
20895e83d430SRalf Baechle
20905e83d430SRalf Baechleconfig 32BIT
20915e83d430SRalf Baechle	bool "32-bit kernel"
20925e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
20935e83d430SRalf Baechle	select TRAD_SIGNALS
20945e83d430SRalf Baechle	help
20955e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2096f17c4ca3SRalf Baechle
20975e83d430SRalf Baechleconfig 64BIT
20985e83d430SRalf Baechle	bool "64-bit kernel"
20995e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21005e83d430SRalf Baechle	help
21015e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21025e83d430SRalf Baechle
21035e83d430SRalf Baechleendchoice
21045e83d430SRalf Baechle
21051e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21061e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21071e321fa9SLeonid Yegoshin	depends on 64BIT
21081e321fa9SLeonid Yegoshin	help
21093377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21103377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21113377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21123377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21133377e227SAlex Belits	  level of page tables is added which imposes both a memory
21143377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21153377e227SAlex Belits
21161e321fa9SLeonid Yegoshin	  If unsure, say N.
21171e321fa9SLeonid Yegoshin
21181da177e4SLinus Torvaldschoice
21191da177e4SLinus Torvalds	prompt "Kernel page size"
21201da177e4SLinus Torvalds	default PAGE_SIZE_4KB
21211da177e4SLinus Torvalds
21221da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
21231da177e4SLinus Torvalds	bool "4kB"
2124268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
21251da177e4SLinus Torvalds	help
21261da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
21271da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
21281da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
21291da177e4SLinus Torvalds	  recommended for low memory systems.
21301da177e4SLinus Torvalds
21311da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
21321da177e4SLinus Torvalds	bool "8kB"
2133c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
21341e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
21351da177e4SLinus Torvalds	help
21361da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
21371da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2138c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2139c2aeaaeaSPaul Burton	  distribution to support this.
21401da177e4SLinus Torvalds
21411da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
21421da177e4SLinus Torvalds	bool "16kB"
2143714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
21441da177e4SLinus Torvalds	help
21451da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
21461da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2147714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2148714bfad6SRalf Baechle	  Linux distribution to support this.
21491da177e4SLinus Torvalds
2150c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2151c52399beSRalf Baechle	bool "32kB"
2152c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
21531e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2154c52399beSRalf Baechle	help
2155c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2156c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2157c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2158c52399beSRalf Baechle	  distribution to support this.
2159c52399beSRalf Baechle
21601da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
21611da177e4SLinus Torvalds	bool "64kB"
21623b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
21631da177e4SLinus Torvalds	help
21641da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
21651da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
21661da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2167714bfad6SRalf Baechle	  writing this option is still high experimental.
21681da177e4SLinus Torvalds
21691da177e4SLinus Torvaldsendchoice
21701da177e4SLinus Torvalds
2171c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2172c9bace7cSDavid Daney	int "Maximum zone order"
2173e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2174e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2175e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2176e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2177e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2178e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2179ef923a76SPaul Cercueil	range 0 64
2180c9bace7cSDavid Daney	default "11"
2181c9bace7cSDavid Daney	help
2182c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2183c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2184c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2185c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2186c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2187c9bace7cSDavid Daney	  increase this value.
2188c9bace7cSDavid Daney
2189c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2190c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2191c9bace7cSDavid Daney
2192c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2193c9bace7cSDavid Daney	  when choosing a value for this option.
2194c9bace7cSDavid Daney
21951da177e4SLinus Torvaldsconfig BOARD_SCACHE
21961da177e4SLinus Torvalds	bool
21971da177e4SLinus Torvalds
21981da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
21991da177e4SLinus Torvalds	bool
22001da177e4SLinus Torvalds	select BOARD_SCACHE
22011da177e4SLinus Torvalds
22029318c51aSChris Dearman#
22039318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22049318c51aSChris Dearman#
22059318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22069318c51aSChris Dearman	bool
22079318c51aSChris Dearman	select BOARD_SCACHE
22089318c51aSChris Dearman
22091da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22101da177e4SLinus Torvalds	bool
22111da177e4SLinus Torvalds	select BOARD_SCACHE
22121da177e4SLinus Torvalds
22131da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22141da177e4SLinus Torvalds	bool
22151da177e4SLinus Torvalds	select BOARD_SCACHE
22161da177e4SLinus Torvalds
22171da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
22181da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
22191da177e4SLinus Torvalds	depends on CPU_SB1
22201da177e4SLinus Torvalds	help
22211da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
22221da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
22231da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
22241da177e4SLinus Torvalds
22251da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2226c8094b53SRalf Baechle	bool
22271da177e4SLinus Torvalds
22283165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
22293165c846SFlorian Fainelli	bool
2230c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
22313165c846SFlorian Fainelli
2232c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2233183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2234183b40f9SPaul Burton	default y
2235183b40f9SPaul Burton	help
2236183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2237183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2238183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2239183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2240183b40f9SPaul Burton	  receive a SIGILL.
2241183b40f9SPaul Burton
2242183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2243183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2244183b40f9SPaul Burton
2245183b40f9SPaul Burton	  If unsure, say y.
2246c92e47e5SPaul Burton
224797f7dcbfSPaul Burtonconfig CPU_R2300_FPU
224897f7dcbfSPaul Burton	bool
2249c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
225097f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
225197f7dcbfSPaul Burton
225254746829SPaul Burtonconfig CPU_R3K_TLB
225354746829SPaul Burton	bool
225454746829SPaul Burton
225591405eb6SFlorian Fainelliconfig CPU_R4K_FPU
225691405eb6SFlorian Fainelli	bool
2257c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
225897f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
225991405eb6SFlorian Fainelli
226062cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
226162cedc4fSFlorian Fainelli	bool
226254746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
226362cedc4fSFlorian Fainelli
226459d6ab86SRalf Baechleconfig MIPS_MT_SMP
2265a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
22665cbf9688SPaul Burton	default y
2267527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
226859d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2269d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2270c080faa5SSteven J. Hill	select SYNC_R4K
227159d6ab86SRalf Baechle	select MIPS_MT
227259d6ab86SRalf Baechle	select SMP
227387353d8aSRalf Baechle	select SMP_UP
2274c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2275c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2276399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
227759d6ab86SRalf Baechle	help
2278c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2279c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2280c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2281c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2282c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
228359d6ab86SRalf Baechle
2284f41ae0b2SRalf Baechleconfig MIPS_MT
2285f41ae0b2SRalf Baechle	bool
2286f41ae0b2SRalf Baechle
22870ab7aefcSRalf Baechleconfig SCHED_SMT
22880ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
22890ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
22900ab7aefcSRalf Baechle	default n
22910ab7aefcSRalf Baechle	help
22920ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
22930ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
22940ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
22950ab7aefcSRalf Baechle
22960ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
22970ab7aefcSRalf Baechle	bool
22980ab7aefcSRalf Baechle
2299f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2300f41ae0b2SRalf Baechle	bool
2301f41ae0b2SRalf Baechle
2302f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2303f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2304f088fc84SRalf Baechle	default y
2305b633648cSRalf Baechle	depends on MIPS_MT_SMP
230607cc0c9eSRalf Baechle
2307b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2308b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23099eaa9a82SPaul Burton	depends on CPU_MIPSR6
2310c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2311b0a668fbSLeonid Yegoshin	default y
2312b0a668fbSLeonid Yegoshin	help
2313b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2314b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
231507edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2316b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2317b0a668fbSLeonid Yegoshin	  final kernel image.
2318b0a668fbSLeonid Yegoshin
2319f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2320f35764e7SJames Hogan	bool
2321f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2322f35764e7SJames Hogan	help
2323f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2324f35764e7SJames Hogan	  physical_memsize.
2325f35764e7SJames Hogan
232607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
232707cc0c9eSRalf Baechle	bool "VPE loader support."
2328f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
232907cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
233007cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
233107cc0c9eSRalf Baechle	select MIPS_MT
233207cc0c9eSRalf Baechle	help
233307cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
233407cc0c9eSRalf Baechle	  onto another VPE and running it.
2335f088fc84SRalf Baechle
233617a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
233717a1d523SDeng-Cheng Zhu	bool
233817a1d523SDeng-Cheng Zhu	default "y"
233917a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
234017a1d523SDeng-Cheng Zhu
23411a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
23421a2a6d7eSDeng-Cheng Zhu	bool
23431a2a6d7eSDeng-Cheng Zhu	default "y"
23441a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
23451a2a6d7eSDeng-Cheng Zhu
2346e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2347e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2348e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2349e01402b1SRalf Baechle	default y
2350e01402b1SRalf Baechle	help
2351e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2352e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2353e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2354e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2355e01402b1SRalf Baechle
2356e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2357e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2358e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2359e01402b1SRalf Baechle
2360da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2361da615cf6SDeng-Cheng Zhu	bool
2362da615cf6SDeng-Cheng Zhu	default "y"
2363da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2364da615cf6SDeng-Cheng Zhu
23652c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
23662c973ef0SDeng-Cheng Zhu	bool
23672c973ef0SDeng-Cheng Zhu	default "y"
23682c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
23692c973ef0SDeng-Cheng Zhu
23704a16ff4cSRalf Baechleconfig MIPS_CMP
23715cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
23725676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2373b10b43baSMarkos Chandras	select SMP
2374eb9b5141STim Anderson	select SYNC_R4K
2375b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
23764a16ff4cSRalf Baechle	select WEAK_ORDERING
23774a16ff4cSRalf Baechle	default n
23784a16ff4cSRalf Baechle	help
2379044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2380044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2381044505c7SPaul Burton	  its ability to start secondary CPUs.
23824a16ff4cSRalf Baechle
23835cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
23845cac93b3SPaul Burton	  instead of this.
23855cac93b3SPaul Burton
23860ee958e1SPaul Burtonconfig MIPS_CPS
23870ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
23885a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
23890ee958e1SPaul Burton	select MIPS_CM
23901d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
23910ee958e1SPaul Burton	select SMP
23920ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
23931d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2394c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
23950ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
23960ee958e1SPaul Burton	select WEAK_ORDERING
2397d8d3276bSWei Li	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
23980ee958e1SPaul Burton	help
23990ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24000ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24010ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24020ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24030ee958e1SPaul Burton	  support is unavailable.
24040ee958e1SPaul Burton
24053179d37eSPaul Burtonconfig MIPS_CPS_PM
240639a59593SMarkos Chandras	depends on MIPS_CPS
24073179d37eSPaul Burton	bool
24083179d37eSPaul Burton
24099f98f3ddSPaul Burtonconfig MIPS_CM
24109f98f3ddSPaul Burton	bool
24113c9b4166SPaul Burton	select MIPS_CPC
24129f98f3ddSPaul Burton
24139c38cf44SPaul Burtonconfig MIPS_CPC
24149c38cf44SPaul Burton	bool
24152600990eSRalf Baechle
24161da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24171da177e4SLinus Torvalds	bool
24181da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
24191da177e4SLinus Torvalds	default y
24201da177e4SLinus Torvalds
24211da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
24221da177e4SLinus Torvalds	bool
24231da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
24241da177e4SLinus Torvalds	default y
24251da177e4SLinus Torvalds
24269e2b5372SMarkos Chandraschoice
24279e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
24289e2b5372SMarkos Chandras
24299e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
24309e2b5372SMarkos Chandras	bool "None"
24319e2b5372SMarkos Chandras	help
24329e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
24339e2b5372SMarkos Chandras
24349693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
24359693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
24369e2b5372SMarkos Chandras	bool "SmartMIPS"
24379693a853SFranck Bui-Huu	help
24389693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
24399693a853SFranck Bui-Huu	  increased security at both hardware and software level for
24409693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
24419693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
24429693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
24439693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
24449693a853SFranck Bui-Huu	  here.
24459693a853SFranck Bui-Huu
2446bce86083SSteven J. Hillconfig CPU_MICROMIPS
24477fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
24489e2b5372SMarkos Chandras	bool "microMIPS"
2449bce86083SSteven J. Hill	help
2450bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2451bce86083SSteven J. Hill	  microMIPS ISA
2452bce86083SSteven J. Hill
24539e2b5372SMarkos Chandrasendchoice
24549e2b5372SMarkos Chandras
2455a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
24560ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2457a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2458c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
24592a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2460a5e9a69eSPaul Burton	help
2461a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2462a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
24631db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
24641db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
24651db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
24661db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
24671db1af84SPaul Burton	  the size & complexity of your kernel.
2468a5e9a69eSPaul Burton
2469a5e9a69eSPaul Burton	  If unsure, say Y.
2470a5e9a69eSPaul Burton
24711da177e4SLinus Torvaldsconfig CPU_HAS_WB
2472f7062ddbSRalf Baechle	bool
2473e01402b1SRalf Baechle
2474df0ac8a4SKevin Cernekeeconfig XKS01
2475df0ac8a4SKevin Cernekee	bool
2476df0ac8a4SKevin Cernekee
2477ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2478ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2479ba9196d2SJiaxun Yang	bool
2480ba9196d2SJiaxun Yang
2481ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2482ba9196d2SJiaxun Yang	bool
2483ba9196d2SJiaxun Yang
24848256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
24858256b17eSFlorian Fainelli	bool
24868256b17eSFlorian Fainelli
248718d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2488932afdeeSYasha Cherikovsky	bool
2489932afdeeSYasha Cherikovsky	help
249018d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2491932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
249218d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
249318d84e2eSAlexander Lobakin	  systems).
2494932afdeeSYasha Cherikovsky
2495f41ae0b2SRalf Baechle#
2496f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2497f41ae0b2SRalf Baechle#
2498e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2499f41ae0b2SRalf Baechle	bool
2500e01402b1SRalf Baechle
2501f41ae0b2SRalf Baechle#
2502f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2503f41ae0b2SRalf Baechle#
2504e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2505f41ae0b2SRalf Baechle	bool
2506e01402b1SRalf Baechle
25071da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25081da177e4SLinus Torvalds	bool
25091da177e4SLinus Torvalds	depends on !CPU_R3000
25101da177e4SLinus Torvalds	default y
25111da177e4SLinus Torvalds
25121da177e4SLinus Torvalds#
251320d60d99SMaciej W. Rozycki# CPU non-features
251420d60d99SMaciej W. Rozycki#
251520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
251620d60d99SMaciej W. Rozycki	bool
251720d60d99SMaciej W. Rozycki
251820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
251920d60d99SMaciej W. Rozycki	bool
252020d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
252120d60d99SMaciej W. Rozycki
252220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
252320d60d99SMaciej W. Rozycki	bool
252420d60d99SMaciej W. Rozycki
2525071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2526071d2f0bSPaul Burton	bool
2527071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2528071d2f0bSPaul Burton
25294edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
25304edf00a4SPaul Burton	int
25314edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25324edf00a4SPaul Burton	default 0
25334edf00a4SPaul Burton
25344edf00a4SPaul Burtonconfig MIPS_ASID_BITS
25354edf00a4SPaul Burton	int
25362db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
25374edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25384edf00a4SPaul Burton	default 8
25394edf00a4SPaul Burton
25402db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
25412db003a5SPaul Burton	bool
25422db003a5SPaul Burton
25434a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
25444a5dc51eSMarcin Nowakowski	bool
25454a5dc51eSMarcin Nowakowski
2546802b8362SThomas Bogendoerfer# R4600 erratum.  Due to the lack of errata information the exact
2547802b8362SThomas Bogendoerfer# technical details aren't known.  I've experimentally found that disabling
2548802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal
2549802b8362SThomas Bogendoerfer# with the issue.
2550802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP
2551802b8362SThomas Bogendoerfer	bool
2552802b8362SThomas Bogendoerfer
25535e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
25545e5b6527SThomas Bogendoerfer#
25555e5b6527SThomas Bogendoerfer#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
25565e5b6527SThomas Bogendoerfer#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
25575e5b6527SThomas Bogendoerfer#      executed if there is no other dcache activity. If the dcache is
255818ff14c8SColin Ian King#      accessed for another instruction immediately preceding when these
25595e5b6527SThomas Bogendoerfer#      cache instructions are executing, it is possible that the dcache
25605e5b6527SThomas Bogendoerfer#      tag match outputs used by these cache instructions will be
25615e5b6527SThomas Bogendoerfer#      incorrect. These cache instructions should be preceded by at least
25625e5b6527SThomas Bogendoerfer#      four instructions that are not any kind of load or store
25635e5b6527SThomas Bogendoerfer#      instruction.
25645e5b6527SThomas Bogendoerfer#
25655e5b6527SThomas Bogendoerfer#      This is not allowed:    lw
25665e5b6527SThomas Bogendoerfer#                              nop
25675e5b6527SThomas Bogendoerfer#                              nop
25685e5b6527SThomas Bogendoerfer#                              nop
25695e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
25705e5b6527SThomas Bogendoerfer#
25715e5b6527SThomas Bogendoerfer#      This is allowed:        lw
25725e5b6527SThomas Bogendoerfer#                              nop
25735e5b6527SThomas Bogendoerfer#                              nop
25745e5b6527SThomas Bogendoerfer#                              nop
25755e5b6527SThomas Bogendoerfer#                              nop
25765e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
25775e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP
25785e5b6527SThomas Bogendoerfer	bool
25795e5b6527SThomas Bogendoerfer
258044def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA.
258144def342SThomas Bogendoerfer#
258244def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
258344def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
258444def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty.  These
258544def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss
258644def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer."
258744def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/
258844def342SThomas Bogendoerfer# in .pdf format.)
258944def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP
259044def342SThomas Bogendoerfer	bool
259144def342SThomas Bogendoerfer
259224a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
259324a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following
259424a1c023SThomas Bogendoerfer# operation is not guaranteed."
259524a1c023SThomas Bogendoerfer#
259624a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I
259724a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV
259824a1c023SThomas Bogendoerfer	bool
259924a1c023SThomas Bogendoerfer
2600886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2601886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same
2602886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious
2603886ee136SThomas Bogendoerfer# exceptions.
2604886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS
2605886ee136SThomas Bogendoerfer	bool
2606886ee136SThomas Bogendoerfer
2607256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2608256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically.
2609256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC
2610256ec489SThomas Bogendoerfer	bool
2611256ec489SThomas Bogendoerfer
2612a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction"
2613a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB
2614a7fbed98SThomas Bogendoerfer	bool
2615a7fbed98SThomas Bogendoerfer
261620d60d99SMaciej W. Rozycki#
26171da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
26181da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
26191da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
26201da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
26211da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
26221da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
26231da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
26241da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2625797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2626797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2627797798c1SRalf Baechle#   support.
26281da177e4SLinus Torvalds#
26291da177e4SLinus Torvaldsconfig HIGHMEM
26301da177e4SLinus Torvalds	bool "High Memory Support"
2631a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2632a4c33e83SThomas Gleixner	select KMAP_LOCAL
2633797798c1SRalf Baechle
2634797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2635797798c1SRalf Baechle	bool
2636797798c1SRalf Baechle
2637797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2638797798c1SRalf Baechle	bool
26391da177e4SLinus Torvalds
26409693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26419693a853SFranck Bui-Huu	bool
26429693a853SFranck Bui-Huu
2643a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2644a6a4834cSSteven J. Hill	bool
2645a6a4834cSSteven J. Hill
2646377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2647377cb1b6SRalf Baechle	bool
2648377cb1b6SRalf Baechle	help
2649377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2650377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2651377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2652377cb1b6SRalf Baechle
2653a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2654a5e9a69eSPaul Burton	bool
2655a5e9a69eSPaul Burton
2656b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2657b4819b59SYoichi Yuasa	def_bool y
2658268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2659b4819b59SYoichi Yuasa
2660b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2661b1c6cd42SAtsushi Nemoto	bool
2662397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
266331473747SAtsushi Nemoto
2664d8cb4e11SRalf Baechleconfig NUMA
2665d8cb4e11SRalf Baechle	bool "NUMA Support"
2666d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2667cf8194e4STiezhu Yang	select SMP
2668d8cb4e11SRalf Baechle	help
2669d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2670d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2671d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2672172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2673d8cb4e11SRalf Baechle	  disabled.
2674d8cb4e11SRalf Baechle
2675d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2676d8cb4e11SRalf Baechle	bool
2677d8cb4e11SRalf Baechle
2678f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA
2679f3c560a6SThomas Bogendoerfer	def_bool y
2680f3c560a6SThomas Bogendoerfer	depends on NUMA
2681f3c560a6SThomas Bogendoerfer
2682f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK
2683f3c560a6SThomas Bogendoerfer	def_bool y
2684f3c560a6SThomas Bogendoerfer	depends on NUMA
2685f3c560a6SThomas Bogendoerfer
26868c530ea3SMatt Redfearnconfig RELOCATABLE
26878c530ea3SMatt Redfearn	bool "Relocatable kernel"
2688ab7c01fdSSerge Semin	depends on SYS_SUPPORTS_RELOCATABLE
2689ab7c01fdSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2690ab7c01fdSSerge Semin		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2691ab7c01fdSSerge Semin		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2692a307a4ceSJinyang He		   CPU_P5600 || CAVIUM_OCTEON_SOC || \
2693a307a4ceSJinyang He		   CPU_LOONGSON64
26948c530ea3SMatt Redfearn	help
26958c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
26968c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
26978c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
26988c530ea3SMatt Redfearn	  but are discarded at runtime
26998c530ea3SMatt Redfearn
2700069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2701069fd766SMatt Redfearn	hex "Relocation table size"
2702069fd766SMatt Redfearn	depends on RELOCATABLE
2703069fd766SMatt Redfearn	range 0x0 0x01000000
2704a307a4ceSJinyang He	default "0x00200000" if CPU_LOONGSON64
2705069fd766SMatt Redfearn	default "0x00100000"
2706a7f7f624SMasahiro Yamada	help
2707069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2708069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2709069fd766SMatt Redfearn
2710069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2711069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2712069fd766SMatt Redfearn
2713069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2714069fd766SMatt Redfearn
2715069fd766SMatt Redfearn	  If unsure, leave at the default value.
2716069fd766SMatt Redfearn
2717405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2718405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2719405bc8fdSMatt Redfearn	depends on RELOCATABLE
2720a7f7f624SMasahiro Yamada	help
2721405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2722405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2723405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2724405bc8fdSMatt Redfearn	  of kernel internals.
2725405bc8fdSMatt Redfearn
2726405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2727405bc8fdSMatt Redfearn
2728405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2729405bc8fdSMatt Redfearn
2730405bc8fdSMatt Redfearn	  If unsure, say N.
2731405bc8fdSMatt Redfearn
2732405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2733405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2734405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2735405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2736405bc8fdSMatt Redfearn	range 0x0 0x08000000
2737405bc8fdSMatt Redfearn	default "0x01000000"
2738a7f7f624SMasahiro Yamada	help
2739405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2740405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2741405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2742405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2743405bc8fdSMatt Redfearn
2744405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2745405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2746405bc8fdSMatt Redfearn
2747c80d79d7SYasunori Gotoconfig NODES_SHIFT
2748c80d79d7SYasunori Goto	int
2749c80d79d7SYasunori Goto	default "6"
2750a9ee6cf5SMike Rapoport	depends on NUMA
2751c80d79d7SYasunori Goto
275214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
275314f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
275495b8a5e0SThomas Bogendoerfer	depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
275514f70012SDeng-Cheng Zhu	default y
275614f70012SDeng-Cheng Zhu	help
275714f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
275814f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
275914f70012SDeng-Cheng Zhu
2760be8fa1cbSTiezhu Yangconfig DMI
2761be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2762be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2763be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2764be8fa1cbSTiezhu Yang	default y
2765be8fa1cbSTiezhu Yang	help
2766be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2767be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2768be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2769be8fa1cbSTiezhu Yang	  BIOS code.
2770be8fa1cbSTiezhu Yang
27711da177e4SLinus Torvaldsconfig SMP
27721da177e4SLinus Torvalds	bool "Multi-Processing support"
2773e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2774e73ea273SRalf Baechle	help
27751da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27764a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27774a474157SRobert Graffham	  than one CPU, say Y.
27781da177e4SLinus Torvalds
27794a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27801da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27811da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27824a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27831da177e4SLinus Torvalds	  will run faster if you say N here.
27841da177e4SLinus Torvalds
27851da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27861da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27871da177e4SLinus Torvalds
278803502faaSAdrian Bunk	  See also the SMP-HOWTO available at
2789ef054ad3SAlexander A. Klimov	  <https://www.tldp.org/docs.html#howto>.
27901da177e4SLinus Torvalds
27911da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27921da177e4SLinus Torvalds
27937840d618SMatt Redfearnconfig HOTPLUG_CPU
27947840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27957840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27967840d618SMatt Redfearn	help
27977840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
27987840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
27997840d618SMatt Redfearn	  (Note: power management support will enable this option
28007840d618SMatt Redfearn	    automatically on SMP systems. )
28017840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
28027840d618SMatt Redfearn
280387353d8aSRalf Baechleconfig SMP_UP
280487353d8aSRalf Baechle	bool
280587353d8aSRalf Baechle
28064a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
28074a16ff4cSRalf Baechle	bool
28084a16ff4cSRalf Baechle
28090ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
28100ee958e1SPaul Burton	bool
28110ee958e1SPaul Burton
2812e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2813e73ea273SRalf Baechle	bool
2814e73ea273SRalf Baechle
2815130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2816130e2fb7SRalf Baechle	bool
2817130e2fb7SRalf Baechle
2818130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2819130e2fb7SRalf Baechle	bool
2820130e2fb7SRalf Baechle
2821130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2822130e2fb7SRalf Baechle	bool
2823130e2fb7SRalf Baechle
2824130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2825130e2fb7SRalf Baechle	bool
2826130e2fb7SRalf Baechle
2827130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2828130e2fb7SRalf Baechle	bool
2829130e2fb7SRalf Baechle
28301da177e4SLinus Torvaldsconfig NR_CPUS
2831a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2832a91796a9SJayachandran C	range 2 256
28331da177e4SLinus Torvalds	depends on SMP
2834130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2835130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2836130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2837130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2838130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
28391da177e4SLinus Torvalds	help
28401da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
28411da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
28421da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
284372ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
284472ede9b1SAtsushi Nemoto	  and 2 for all others.
28451da177e4SLinus Torvalds
28461da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
284772ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
284872ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
284972ede9b1SAtsushi Nemoto	  power of two.
28501da177e4SLinus Torvalds
2851399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2852399aaa25SAl Cooper	bool
2853399aaa25SAl Cooper
28547820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28557820b84bSDavid Daney	bool
28567820b84bSDavid Daney
28577820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28587820b84bSDavid Daney	int
28597820b84bSDavid Daney	depends on SMP
28607820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28617820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28627820b84bSDavid Daney
28631723b4a3SAtsushi Nemoto#
28641723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28651723b4a3SAtsushi Nemoto#
28661723b4a3SAtsushi Nemoto
28671723b4a3SAtsushi Nemotochoice
28681723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28691723b4a3SAtsushi Nemoto	default HZ_250
28701723b4a3SAtsushi Nemoto	help
28711723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
28721723b4a3SAtsushi Nemoto
287367596573SPaul Burton	config HZ_24
287467596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
287567596573SPaul Burton
28761723b4a3SAtsushi Nemoto	config HZ_48
28770f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28781723b4a3SAtsushi Nemoto
28791723b4a3SAtsushi Nemoto	config HZ_100
28801723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28811723b4a3SAtsushi Nemoto
28821723b4a3SAtsushi Nemoto	config HZ_128
28831723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28841723b4a3SAtsushi Nemoto
28851723b4a3SAtsushi Nemoto	config HZ_250
28861723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28871723b4a3SAtsushi Nemoto
28881723b4a3SAtsushi Nemoto	config HZ_256
28891723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28901723b4a3SAtsushi Nemoto
28911723b4a3SAtsushi Nemoto	config HZ_1000
28921723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28931723b4a3SAtsushi Nemoto
28941723b4a3SAtsushi Nemoto	config HZ_1024
28951723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28961723b4a3SAtsushi Nemoto
28971723b4a3SAtsushi Nemotoendchoice
28981723b4a3SAtsushi Nemoto
289967596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
290067596573SPaul Burton	bool
290167596573SPaul Burton
29021723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
29031723b4a3SAtsushi Nemoto	bool
29041723b4a3SAtsushi Nemoto
29051723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
29061723b4a3SAtsushi Nemoto	bool
29071723b4a3SAtsushi Nemoto
29081723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
29091723b4a3SAtsushi Nemoto	bool
29101723b4a3SAtsushi Nemoto
29111723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
29121723b4a3SAtsushi Nemoto	bool
29131723b4a3SAtsushi Nemoto
29141723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
29151723b4a3SAtsushi Nemoto	bool
29161723b4a3SAtsushi Nemoto
29171723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
29181723b4a3SAtsushi Nemoto	bool
29191723b4a3SAtsushi Nemoto
29201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
29211723b4a3SAtsushi Nemoto	bool
29221723b4a3SAtsushi Nemoto
29231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
29241723b4a3SAtsushi Nemoto	bool
292567596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
292667596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
292767596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
292867596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
292967596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
293067596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
293167596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
29321723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
29331723b4a3SAtsushi Nemoto
29341723b4a3SAtsushi Nemotoconfig HZ
29351723b4a3SAtsushi Nemoto	int
293667596573SPaul Burton	default 24 if HZ_24
29371723b4a3SAtsushi Nemoto	default 48 if HZ_48
29381723b4a3SAtsushi Nemoto	default 100 if HZ_100
29391723b4a3SAtsushi Nemoto	default 128 if HZ_128
29401723b4a3SAtsushi Nemoto	default 250 if HZ_250
29411723b4a3SAtsushi Nemoto	default 256 if HZ_256
29421723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
29431723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
29441723b4a3SAtsushi Nemoto
294596685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
294696685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
294796685b17SDeng-Cheng Zhu
2948ea6e942bSAtsushi Nemotoconfig KEXEC
29497d60717eSKees Cook	bool "Kexec system call"
29502965faa5SDave Young	select KEXEC_CORE
2951ea6e942bSAtsushi Nemoto	help
2952ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2953ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29543dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2955ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2956ea6e942bSAtsushi Nemoto
295701dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2958ea6e942bSAtsushi Nemoto
2959ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2960ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2961bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2962bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2963bf220695SGeert Uytterhoeven	  made.
2964ea6e942bSAtsushi Nemoto
29657aa1c8f4SRalf Baechleconfig CRASH_DUMP
29667aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29677aa1c8f4SRalf Baechle	help
29687aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29697aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29707aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29717aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29727aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29737aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29747aa1c8f4SRalf Baechle	  PHYSICAL_START.
29757aa1c8f4SRalf Baechle
29767aa1c8f4SRalf Baechleconfig PHYSICAL_START
29777aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29788bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29797aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29807aa1c8f4SRalf Baechle	help
29817aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29827aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29837aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29847aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29857aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29867aa1c8f4SRalf Baechle
2987597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
2988b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2989597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2990597ce172SPaul Burton	help
2991597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2992597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2993597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2994597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2995597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2996597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2997597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
2998597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
2999597ce172SPaul Burton	  saying N here.
3000597ce172SPaul Burton
300106e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
300206e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
300318ff14c8SColin Ian King	  worked on. In order to avoid userland becoming dependent upon current
300406e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
300506e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
300606e2e882SPaul Burton	  said details.
300706e2e882SPaul Burton
300806e2e882SPaul Burton	  If unsure, say N.
3009597ce172SPaul Burton
3010f2ffa5abSDezhong Diaoconfig USE_OF
30110b3e06fdSJonas Gorski	bool
3012f2ffa5abSDezhong Diao	select OF
3013e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3014abd2363fSGrant Likely	select IRQ_DOMAIN
3015f2ffa5abSDezhong Diao
30162fe8ea39SDengcheng Zhuconfig UHI_BOOT
30172fe8ea39SDengcheng Zhu	bool
30182fe8ea39SDengcheng Zhu
30197fafb068SAndrew Brestickerconfig BUILTIN_DTB
30207fafb068SAndrew Bresticker	bool
30217fafb068SAndrew Bresticker
30221da8f179SJonas Gorskichoice
30235b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
30241da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
30251da8f179SJonas Gorski
30261da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
30271da8f179SJonas Gorski		bool "None"
30281da8f179SJonas Gorski		help
30291da8f179SJonas Gorski		  Do not enable appended dtb support.
30301da8f179SJonas Gorski
303187db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
303287db537dSAaro Koskinen		bool "vmlinux"
303387db537dSAaro Koskinen		help
303487db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
303587db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
303687db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
303787db537dSAaro Koskinen		  objcopy:
303887db537dSAaro Koskinen
303987db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
304087db537dSAaro Koskinen
304118ff14c8SColin Ian King		  This is meant as a backward compatibility convenience for those
304287db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
304387db537dSAaro Koskinen		  the documented boot protocol using a device tree.
304487db537dSAaro Koskinen
30451da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3046b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30471da8f179SJonas Gorski		help
30481da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3049b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30501da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30511da8f179SJonas Gorski
30521da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30531da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30541da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30551da8f179SJonas Gorski
30561da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30571da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30581da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30591da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30601da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30611da8f179SJonas Gorskiendchoice
30621da8f179SJonas Gorski
30632024972eSJonas Gorskichoice
30642024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30652bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
306687fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
30672bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30682024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30692024972eSJonas Gorski
30702024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30712024972eSJonas Gorski		depends on USE_OF
30722024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30732024972eSJonas Gorski
30742024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30752024972eSJonas Gorski		depends on USE_OF
30762024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30772024972eSJonas Gorski
30782024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30792024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3080ed47e153SRabin Vincent
3081ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3082ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3083ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
30842024972eSJonas Gorskiendchoice
30852024972eSJonas Gorski
30865e83d430SRalf Baechleendmenu
30875e83d430SRalf Baechle
30881df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
30891df0f0ffSAtsushi Nemoto	bool
30901df0f0ffSAtsushi Nemoto	default y
30911df0f0ffSAtsushi Nemoto
30921df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
30931df0f0ffSAtsushi Nemoto	bool
30941df0f0ffSAtsushi Nemoto	default y
30951df0f0ffSAtsushi Nemoto
3096a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3097a728ab52SKirill A. Shutemov	int
30983377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
309941ce097fSHuang Pei	default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3100a728ab52SKirill A. Shutemov	default 2
3101a728ab52SKirill A. Shutemov
31026c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
31036c359eb1SPaul Burton	bool
31046c359eb1SPaul Burton
31051da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
31061da177e4SLinus Torvalds
3107c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
31082eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3109c5611df9SPaul Burton	bool
3110c5611df9SPaul Burton
3111c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3112c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3113c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
31142eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
31151da177e4SLinus Torvalds
31161da177e4SLinus Torvalds#
31171da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
31181da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
31191da177e4SLinus Torvalds# users to choose the right thing ...
31201da177e4SLinus Torvalds#
31211da177e4SLinus Torvaldsconfig ISA
31221da177e4SLinus Torvalds	bool
31231da177e4SLinus Torvalds
31241da177e4SLinus Torvaldsconfig TC
31251da177e4SLinus Torvalds	bool "TURBOchannel support"
31261da177e4SLinus Torvalds	depends on MACH_DECSTATION
31271da177e4SLinus Torvalds	help
312850a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
312950a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
313050a23e6eSJustin P. Mattock	  at:
313150a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
313250a23e6eSJustin P. Mattock	  and:
313350a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
313450a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
313550a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31361da177e4SLinus Torvalds
31371da177e4SLinus Torvaldsconfig MMU
31381da177e4SLinus Torvalds	bool
31391da177e4SLinus Torvalds	default y
31401da177e4SLinus Torvalds
3141109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3142109c32ffSMatt Redfearn	default 12 if 64BIT
3143109c32ffSMatt Redfearn	default 8
3144109c32ffSMatt Redfearn
3145109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3146109c32ffSMatt Redfearn	default 18 if 64BIT
3147109c32ffSMatt Redfearn	default 15
3148109c32ffSMatt Redfearn
3149109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3150109c32ffSMatt Redfearn	default 8
3151109c32ffSMatt Redfearn
3152109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3153109c32ffSMatt Redfearn	default 15
3154109c32ffSMatt Redfearn
3155d865bea4SRalf Baechleconfig I8253
3156d865bea4SRalf Baechle	bool
3157798778b8SRussell King	select CLKSRC_I8253
31582d02612fSThomas Gleixner	select CLKEVT_I8253
31599726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
31601da177e4SLinus Torvaldsendmenu
31611da177e4SLinus Torvalds
31621da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31631da177e4SLinus Torvalds	bool
31641da177e4SLinus Torvalds
31651da177e4SLinus Torvaldsconfig MIPS32_COMPAT
316678aaf956SRalf Baechle	bool
31671da177e4SLinus Torvalds
31681da177e4SLinus Torvaldsconfig COMPAT
31691da177e4SLinus Torvalds	bool
31701da177e4SLinus Torvalds
317105e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
317205e43966SAtsushi Nemoto	bool
317305e43966SAtsushi Nemoto
31741da177e4SLinus Torvaldsconfig MIPS32_O32
31751da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
317678aaf956SRalf Baechle	depends on 64BIT
317778aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
317878aaf956SRalf Baechle	select COMPAT
317978aaf956SRalf Baechle	select MIPS32_COMPAT
318078aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31811da177e4SLinus Torvalds	help
31821da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
31831da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
31841da177e4SLinus Torvalds	  existing binaries are in this format.
31851da177e4SLinus Torvalds
31861da177e4SLinus Torvalds	  If unsure, say Y.
31871da177e4SLinus Torvalds
31881da177e4SLinus Torvaldsconfig MIPS32_N32
31891da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3190c22eacfeSRalf Baechle	depends on 64BIT
31915a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
319278aaf956SRalf Baechle	select COMPAT
319378aaf956SRalf Baechle	select MIPS32_COMPAT
319478aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31951da177e4SLinus Torvalds	help
31961da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
31971da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
31981da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
31991da177e4SLinus Torvalds	  cases.
32001da177e4SLinus Torvalds
32011da177e4SLinus Torvalds	  If unsure, say N.
32021da177e4SLinus Torvalds
32032116245eSRalf Baechlemenu "Power management options"
3204952fa954SRodolfo Giometti
3205363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3206363c55caSWu Zhangjin	def_bool y
32073f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3208363c55caSWu Zhangjin
3209f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3210f4cb5700SJohannes Berg	def_bool y
32113f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3212f4cb5700SJohannes Berg
32132116245eSRalf Baechlesource "kernel/power/Kconfig"
3214952fa954SRodolfo Giometti
32151da177e4SLinus Torvaldsendmenu
32161da177e4SLinus Torvalds
32177a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32187a998935SViresh Kumar	bool
32197a998935SViresh Kumar
32207a998935SViresh Kumarmenu "CPU Power Management"
3221c095ebafSPaul Burton
3222c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32237a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32247a998935SViresh Kumarendif
32259726b43aSWu Zhangjin
3226c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3227c095ebafSPaul Burton
3228c095ebafSPaul Burtonendmenu
3229c095ebafSPaul Burton
32302235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3231e91946d6SNathan Chancellor
3232e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig"
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