xref: /linux/arch/mips/Kconfig (revision dce44566192ec0b38597fdfd435013c2d54653ff)
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)
1212597988SMatt Redfearn	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
131e35918aSHassan Naveed	select ARCH_HAS_UBSAN_SANITIZE_ALL
148b3165e5SXingxing Su	select ARCH_HAS_GCOV_PROFILE_ALL
15c55944ccSNick Desaulniers	select ARCH_KEEP_MEMBLOCK
1612597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
171ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
1812597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
19*dce44566SAnshuman Khandual	select ARCH_USE_MEMTEST
2025da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
210b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
229035bd29SAlexandre Ghiti	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
2312597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
24d3a4e0f1SAlexander Lobakin	select ARCH_WANT_LD_ORPHAN_WARN
2510916706SShile Zhang	select BUILDTIME_TABLE_SORT
2612597988SMatt Redfearn	select CLONE_BACKWARDS
2757eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
2812597988SMatt Redfearn	select CPU_PM if CPU_IDLE
2912597988SMatt Redfearn	select GENERIC_ATOMIC64 if !64BIT
3012597988SMatt Redfearn	select GENERIC_CMOS_UPDATE
3112597988SMatt Redfearn	select GENERIC_CPU_AUTOPROBE
32bab1dde3SAlexander Lobakin	select GENERIC_FIND_FIRST_BIT
3324640f23SVincenzo Frascino	select GENERIC_GETTIMEOFDAY
34b962aeb0SPaul Burton	select GENERIC_IOMAP
3512597988SMatt Redfearn	select GENERIC_IRQ_PROBE
3612597988SMatt Redfearn	select GENERIC_IRQ_SHOW
376630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
38740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
39740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
40740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
41740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
42740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
4312597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
4412597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
4512597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
46446f062bSChristoph Hellwig	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
4712597988SMatt Redfearn	select HANDLE_DOMAIN_IRQ
48906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
4912597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
5042b20995SArnd Bergmann	select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
51109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
52109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
53490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
54c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
5545e03e62SDaniel Silsby	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
562ff2b7ecSMasahiro Yamada	select HAVE_ASM_MODVERSIONS
5736366e36SPaul Burton	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
5812597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
59490f561bSFrederic Weisbecker	select HAVE_TIF_NOHZ
6064575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
6112597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
6212597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
6312597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
6412597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
6534c01e41SAlexander Lobakin	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
6612597988SMatt Redfearn	select HAVE_EXIT_THREAD
6767a929e0SChristoph Hellwig	select HAVE_FAST_GUP
6812597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
6929c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
7012597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
7134c01e41SAlexander Lobakin	select HAVE_GCC_PLUGINS
7234c01e41SAlexander Lobakin	select HAVE_GENERIC_VDSO
7312597988SMatt Redfearn	select HAVE_IDE
74b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
7512597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
7612597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
77c1bf207dSDavid Daney	select HAVE_KPROBES
78c1bf207dSDavid Daney	select HAVE_KRETPROBES
79c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
80786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
8142a0bb3fSPetr Mladek	select HAVE_NMI
8212597988SMatt Redfearn	select HAVE_PERF_EVENTS
831ddc96bdSTiezhu Yang	select HAVE_PERF_REGS
841ddc96bdSTiezhu Yang	select HAVE_PERF_USER_STACK_DUMP
8508bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
869ea141adSPaul Burton	select HAVE_RSEQ
8716c0f03fSHassan Naveed	select HAVE_SPARSE_SYSCALL_NR
88d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
8912597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
90a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
9112597988SMatt Redfearn	select IRQ_FORCED_THREADING
926630a8e5SChristoph Hellwig	select ISA if EISA
9312597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
9434c01e41SAlexander Lobakin	select MODULES_USE_ELF_RELA if MODULES && 64BIT
9512597988SMatt Redfearn	select PERF_USE_VMALLOC
96981aa1d3SThomas Gleixner	select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
9705a0a344SArnd Bergmann	select RTC_LIB
9812597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
9912597988SMatt Redfearn	select VIRT_TO_BUS
1000bb87f05SAl Viro	select ARCH_HAS_ELFCORE_COMPAT
1011da177e4SLinus Torvalds
102d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR
103d3991572SChristoph Hellwig	bool
104d3991572SChristoph Hellwig
105c434b9f8SPaul Cercueilconfig MIPS_GENERIC
106c434b9f8SPaul Cercueil	bool
107c434b9f8SPaul Cercueil
108f0f4a753SPaul Cercueilconfig MACH_INGENIC
109f0f4a753SPaul Cercueil	bool
110f0f4a753SPaul Cercueil	select SYS_SUPPORTS_32BIT_KERNEL
111f0f4a753SPaul Cercueil	select SYS_SUPPORTS_LITTLE_ENDIAN
112f0f4a753SPaul Cercueil	select SYS_SUPPORTS_ZBOOT
113f0f4a753SPaul Cercueil	select DMA_NONCOHERENT
114f0f4a753SPaul Cercueil	select IRQ_MIPS_CPU
115f0f4a753SPaul Cercueil	select PINCTRL
116f0f4a753SPaul Cercueil	select GPIOLIB
117f0f4a753SPaul Cercueil	select COMMON_CLK
118f0f4a753SPaul Cercueil	select GENERIC_IRQ_CHIP
119f0f4a753SPaul Cercueil	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
120f0f4a753SPaul Cercueil	select USE_OF
121f0f4a753SPaul Cercueil	select CPU_SUPPORTS_CPUFREQ
122f0f4a753SPaul Cercueil	select MIPS_EXTERNAL_TIMER
123f0f4a753SPaul Cercueil
1241da177e4SLinus Torvaldsmenu "Machine selection"
1251da177e4SLinus Torvalds
1265e83d430SRalf Baechlechoice
1275e83d430SRalf Baechle	prompt "System type"
128c434b9f8SPaul Cercueil	default MIPS_GENERIC_KERNEL
1291da177e4SLinus Torvalds
130c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL
131eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
1324e066441SChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
133c434b9f8SPaul Cercueil	select MIPS_GENERIC
134eed0eabdSPaul Burton	select BOOT_RAW
135eed0eabdSPaul Burton	select BUILTIN_DTB
136eed0eabdSPaul Burton	select CEVT_R4K
137eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
138eed0eabdSPaul Burton	select COMMON_CLK
139eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
14034c01e41SAlexander Lobakin	select CPU_MIPSR2_IRQ_VI
141eed0eabdSPaul Burton	select CSRC_R4K
1424e066441SChristoph Hellwig	select DMA_NONCOHERENT
143eb01d42aSChristoph Hellwig	select HAVE_PCI
144eed0eabdSPaul Burton	select IRQ_MIPS_CPU
1450211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
146eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
147eed0eabdSPaul Burton	select MIPS_GIC
148eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
149eed0eabdSPaul Burton	select NO_EXCEPT_FILL
150eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
151eed0eabdSPaul Burton	select SMP_UP if SMP
152a3078e59SMatt Redfearn	select SWAP_IO_SPACE
153eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
154eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
155eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
156eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
157eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
158eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
159eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
160eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
161eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
162eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
163eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
164eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
165eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
16634c01e41SAlexander Lobakin	select SYS_SUPPORTS_MIPS_CPS
167eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
168eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
169eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
170c3e2ee65SPaul Cercueil	select SYS_SUPPORTS_ZBOOT
17134c01e41SAlexander Lobakin	select UHI_BOOT
1722e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1732e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1742e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1752e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1762e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1772e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
178eed0eabdSPaul Burton	select USE_OF
179eed0eabdSPaul Burton	help
180eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
181eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
182eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
183eed0eabdSPaul Burton	  Interface) specification.
184eed0eabdSPaul Burton
18542a4f17dSManuel Laussconfig MIPS_ALCHEMY
186c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
187d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
188f772cdb2SRalf Baechle	select CEVT_R4K
189d7ea335cSSteven J. Hill	select CSRC_R4K
19067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
191a86497d6SChristoph Hellwig	select DMA_NONCOHERENT		# Au1000,1500,1100 aren't, rest is
192d3991572SChristoph Hellwig	select MIPS_FIXUP_BIGPHYS_ADDR if PCI
19342a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
19442a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
19542a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
196d30a2b47SLinus Walleij	select GPIOLIB
1971b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
19847440229SManuel Lauss	select COMMON_CLK
1991da177e4SLinus Torvalds
2007ca5dc14SFlorian Fainelliconfig AR7
2017ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
2027ca5dc14SFlorian Fainelli	select BOOT_ELF32
2037ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
2047ca5dc14SFlorian Fainelli	select CEVT_R4K
2057ca5dc14SFlorian Fainelli	select CSRC_R4K
20667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2077ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
2087ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
2097ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
2107ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
2117ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
2127ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
213377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2141b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
215d30a2b47SLinus Walleij	select GPIOLIB
2167ca5dc14SFlorian Fainelli	select VLYNQ
217bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
2187ca5dc14SFlorian Fainelli	help
2197ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
2207ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
2217ca5dc14SFlorian Fainelli
22243cc739fSSergey Ryazanovconfig ATH25
22343cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
22443cc739fSSergey Ryazanov	select CEVT_R4K
22543cc739fSSergey Ryazanov	select CSRC_R4K
22643cc739fSSergey Ryazanov	select DMA_NONCOHERENT
22767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2281753e74eSSergey Ryazanov	select IRQ_DOMAIN
22943cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
23043cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
23143cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
2328aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
23343cc739fSSergey Ryazanov	help
23443cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
23543cc739fSSergey Ryazanov
236d4a67d9dSGabor Juhosconfig ATH79
237d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
238ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
239d4a67d9dSGabor Juhos	select BOOT_RAW
240d4a67d9dSGabor Juhos	select CEVT_R4K
241d4a67d9dSGabor Juhos	select CSRC_R4K
242d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
243d30a2b47SLinus Walleij	select GPIOLIB
244a08227a2SJohn Crispin	select PINCTRL
245411520afSAlban Bedel	select COMMON_CLK
24667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
247d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
248d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
249d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
250d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
251377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
252b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
25303c8c407SAlban Bedel	select USE_OF
25453d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
255d4a67d9dSGabor Juhos	help
256d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
257d4a67d9dSGabor Juhos
2585f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2595f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
26029906e1aSÁlvaro Fernández Rojas	select ARCH_HAS_RESET_CONTROLLER
261d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
262d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
263d666cd02SKevin Cernekee	select BOOT_RAW
264d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
265d666cd02SKevin Cernekee	select USE_OF
266d666cd02SKevin Cernekee	select CEVT_R4K
267d666cd02SKevin Cernekee	select CSRC_R4K
268d666cd02SKevin Cernekee	select SYNC_R4K
269d666cd02SKevin Cernekee	select COMMON_CLK
270c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
27160b858f2SKevin Cernekee	select BCM7038_L1_IRQ
27260b858f2SKevin Cernekee	select BCM7120_L2_IRQ
27360b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
27467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
27560b858f2SKevin Cernekee	select DMA_NONCOHERENT
276d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
27760b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
278d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
279d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
28060b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
28160b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
28260b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
283d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
284d666cd02SKevin Cernekee	select SWAP_IO_SPACE
28560b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
28660b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
28760b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
28860b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2894dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
290d666cd02SKevin Cernekee	help
2915f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2925f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2935f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2945f2d4459SKevin Cernekee	  must be set appropriately for your board.
295d666cd02SKevin Cernekee
2961c0c13ebSAurelien Jarnoconfig BCM47XX
297c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
298fe08f8c2SHauke Mehrtens	select BOOT_RAW
29942f77542SRalf Baechle	select CEVT_R4K
300940f6b48SRalf Baechle	select CSRC_R4K
3011c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
302eb01d42aSChristoph Hellwig	select HAVE_PCI
30367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
304314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
305dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
3061c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
3071c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
308377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
3096507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
31025e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
311e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
312c949c0bcSRafał Miłecki	select GPIOLIB
313c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
314f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
3152ab71a02SRafał Miłecki	select BCM47XX_SPROM
316dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
3171c0c13ebSAurelien Jarno	help
3181c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
3191c0c13ebSAurelien Jarno
320e7300d04SMaxime Bizonconfig BCM63XX
321e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
322ae8de61cSFlorian Fainelli	select BOOT_RAW
323e7300d04SMaxime Bizon	select CEVT_R4K
324e7300d04SMaxime Bizon	select CSRC_R4K
325fc264022SJonas Gorski	select SYNC_R4K
326e7300d04SMaxime Bizon	select DMA_NONCOHERENT
32767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
328e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
329e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
330e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
331e7300d04SMaxime Bizon	select SWAP_IO_SPACE
332d30a2b47SLinus Walleij	select GPIOLIB
333af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
334c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
335bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
336e7300d04SMaxime Bizon	help
337e7300d04SMaxime Bizon	  Support for BCM63XX based boards
338e7300d04SMaxime Bizon
3391da177e4SLinus Torvaldsconfig MIPS_COBALT
3403fa986faSMartin Michlmayr	bool "Cobalt Server"
34142f77542SRalf Baechle	select CEVT_R4K
342940f6b48SRalf Baechle	select CSRC_R4K
3431097c6acSYoichi Yuasa	select CEVT_GT641XX
3441da177e4SLinus Torvalds	select DMA_NONCOHERENT
345eb01d42aSChristoph Hellwig	select FORCE_PCI
346d865bea4SRalf Baechle	select I8253
3471da177e4SLinus Torvalds	select I8259
34867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
349d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
350252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3517cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3520a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
353ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3540e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3555e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
356e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3571da177e4SLinus Torvalds
3581da177e4SLinus Torvaldsconfig MACH_DECSTATION
3593fa986faSMartin Michlmayr	bool "DECstations"
3601da177e4SLinus Torvalds	select BOOT_ELF32
3616457d9fcSYoichi Yuasa	select CEVT_DS1287
36281d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3634247417dSYoichi Yuasa	select CSRC_IOASIC
36481d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
36520d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
36620d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
36720d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3681da177e4SLinus Torvalds	select DMA_NONCOHERENT
369ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
37067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3717cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3727cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
373ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3747d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3755e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3761723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3771723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3781723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
379930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3805e83d430SRalf Baechle	help
3811da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3821da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3831da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3841da177e4SLinus Torvalds
3851da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3861da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3871da177e4SLinus Torvalds
3881da177e4SLinus Torvalds		DECstation 5000/50
3891da177e4SLinus Torvalds		DECstation 5000/150
3901da177e4SLinus Torvalds		DECstation 5000/260
3911da177e4SLinus Torvalds		DECsystem 5900/260
3921da177e4SLinus Torvalds
3931da177e4SLinus Torvalds	  otherwise choose R3000.
3941da177e4SLinus Torvalds
3955e83d430SRalf Baechleconfig MACH_JAZZ
3963fa986faSMartin Michlmayr	bool "Jazz family of machines"
39739b2d756SThomas Bogendoerfer	select ARC_MEMORY
39839b2d756SThomas Bogendoerfer	select ARC_PROMLIB
399a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
4007a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
4012f9237d4SChristoph Hellwig	select DMA_OPS
4020e2794b0SRalf Baechle	select FW_ARC
4030e2794b0SRalf Baechle	select FW_ARC32
4045e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
40542f77542SRalf Baechle	select CEVT_R4K
406940f6b48SRalf Baechle	select CSRC_R4K
407e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
4085e83d430SRalf Baechle	select GENERIC_ISA_DMA
4098a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
41067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
411d865bea4SRalf Baechle	select I8253
4125e83d430SRalf Baechle	select I8259
4135e83d430SRalf Baechle	select ISA
4147cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
4155e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
4167d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
4171723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
418aadfe4b5SArnd Bergmann	select SYS_SUPPORTS_LITTLE_ENDIAN
4191da177e4SLinus Torvalds	help
4205e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
4215e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
422692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
4235e83d430SRalf Baechle	  Olivetti M700-10 workstations.
4245e83d430SRalf Baechle
425f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC
426de361e8bSPaul Burton	bool "Ingenic SoC based machines"
427f0f4a753SPaul Cercueil	select MIPS_GENERIC
428f0f4a753SPaul Cercueil	select MACH_INGENIC
429f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
4305ebabe59SLars-Peter Clausen
431171bb2f1SJohn Crispinconfig LANTIQ
432171bb2f1SJohn Crispin	bool "Lantiq based platforms"
433171bb2f1SJohn Crispin	select DMA_NONCOHERENT
43467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
435171bb2f1SJohn Crispin	select CEVT_R4K
436171bb2f1SJohn Crispin	select CSRC_R4K
437171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
438171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
439171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
440171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
441377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
442171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
443f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
444171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
445d30a2b47SLinus Walleij	select GPIOLIB
446171bb2f1SJohn Crispin	select SWAP_IO_SPACE
447171bb2f1SJohn Crispin	select BOOT_RAW
448287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
449bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
450a0392222SJohn Crispin	select USE_OF
4513f8c50c9SJohn Crispin	select PINCTRL
4523f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
453c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
454c530781cSJohn Crispin	select RESET_CONTROLLER
455171bb2f1SJohn Crispin
45630ad29bbSHuacai Chenconfig MACH_LOONGSON32
457caed1d1bSHuacai Chen	bool "Loongson 32-bit family of machines"
458c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
459ade299d8SYoichi Yuasa	help
46030ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
46185749d24SWu Zhangjin
46230ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
46330ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
46430ad29bbSHuacai Chen	  Sciences (CAS).
465ade299d8SYoichi Yuasa
46671e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
46771e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
468ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
469ca585cf9SKelvin Cheung	help
47071e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
471ca585cf9SKelvin Cheung
47271e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
473caed1d1bSHuacai Chen	bool "Loongson 64-bit family of machines"
4746fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
4756fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
4766fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
4776fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
4786fbde6b4SJiaxun Yang	select BOOT_ELF32
4796fbde6b4SJiaxun Yang	select BOARD_SCACHE
4806fbde6b4SJiaxun Yang	select CSRC_R4K
4816fbde6b4SJiaxun Yang	select CEVT_R4K
4826fbde6b4SJiaxun Yang	select CPU_HAS_WB
4836fbde6b4SJiaxun Yang	select FORCE_PCI
4846fbde6b4SJiaxun Yang	select ISA
4856fbde6b4SJiaxun Yang	select I8259
4866fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
4877d6d2837SJiaxun Yang	select NO_EXCEPT_FILL
4885125bfeeSTiezhu Yang	select NR_CPUS_DEFAULT_64
4896fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
4906423e59aSJiaxun Yang	select PCI_DRIVERS_GENERIC
4916fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
4926fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
4936fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
4946fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
4956fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
4966fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
4976fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
4986fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
49971e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
500a307a4ceSJinyang He	select SYS_SUPPORTS_RELOCATABLE
5016fbde6b4SJiaxun Yang	select ZONE_DMA32
50287fcfa7bSJiaxun Yang	select COMMON_CLK
50387fcfa7bSJiaxun Yang	select USE_OF
50487fcfa7bSJiaxun Yang	select BUILTIN_DTB
50539c1485cSHuacai Chen	select PCI_HOST_GENERIC
50671e2f4ddSJiaxun Yang	help
507caed1d1bSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
508caed1d1bSHuacai Chen
509caed1d1bSHuacai Chen	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
510caed1d1bSHuacai Chen	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
511caed1d1bSHuacai Chen	  and Loongson-2F which will be removed), developed by the Institute
512caed1d1bSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
513ca585cf9SKelvin Cheung
5146a438309SAndrew Brestickerconfig MACH_PISTACHIO
5156a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
5166a438309SAndrew Bresticker	select BOOT_ELF32
5176a438309SAndrew Bresticker	select BOOT_RAW
5186a438309SAndrew Bresticker	select CEVT_R4K
5196a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
5206a438309SAndrew Bresticker	select COMMON_CLK
5216a438309SAndrew Bresticker	select CSRC_R4K
522645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
523d30a2b47SLinus Walleij	select GPIOLIB
52467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5256a438309SAndrew Bresticker	select MFD_SYSCON
5266a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
5276a438309SAndrew Bresticker	select MIPS_GIC
5286a438309SAndrew Bresticker	select PINCTRL
5296a438309SAndrew Bresticker	select REGULATOR
5306a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
5316a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
5326a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
5336a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
5346a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
53541cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
5366a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
537018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
538018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
5396a438309SAndrew Bresticker	select USE_OF
5406a438309SAndrew Bresticker	help
5416a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
5426a438309SAndrew Bresticker
5431da177e4SLinus Torvaldsconfig MIPS_MALTA
5443fa986faSMartin Michlmayr	bool "MIPS Malta board"
54561ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
546a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5477a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5481da177e4SLinus Torvalds	select BOOT_ELF32
549fa71c960SRalf Baechle	select BOOT_RAW
550e8823d26SPaul Burton	select BUILTIN_DTB
55142f77542SRalf Baechle	select CEVT_R4K
552fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
55342b002abSGuenter Roeck	select COMMON_CLK
55447bf2b03SMaksym Kokhan	select CSRC_R4K
555a86497d6SChristoph Hellwig	select DMA_NONCOHERENT
5561da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5578a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
558eb01d42aSChristoph Hellwig	select HAVE_PCI
559d865bea4SRalf Baechle	select I8253
5601da177e4SLinus Torvalds	select I8259
56147bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
5625e83d430SRalf Baechle	select MIPS_BONITO64
5639318c51aSChris Dearman	select MIPS_CPU_SCACHE
56447bf2b03SMaksym Kokhan	select MIPS_GIC
565a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5665e83d430SRalf Baechle	select MIPS_MSC
56747bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
568ecafe3e9SPaul Burton	select SMP_UP if SMP
5691da177e4SLinus Torvalds	select SWAP_IO_SPACE
5707cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5717cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
572bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
573c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
574575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5757cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5765d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
577575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5787cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5797cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
580ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
581ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5825e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
583c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5845e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
585424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
58647bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5870365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
588e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
589f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
59047bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5919693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
592f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5931b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
594e8823d26SPaul Burton	select USE_OF
595886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
596abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5971da177e4SLinus Torvalds	help
598f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5991da177e4SLinus Torvalds	  board.
6001da177e4SLinus Torvalds
6012572f00dSJoshua Hendersonconfig MACH_PIC32
6022572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
6032572f00dSJoshua Henderson	help
6042572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
6052572f00dSJoshua Henderson
6062572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
6072572f00dSJoshua Henderson	  microcontrollers.
6082572f00dSJoshua Henderson
6095e83d430SRalf Baechleconfig MACH_VR41XX
61074142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
61142f77542SRalf Baechle	select CEVT_R4K
612940f6b48SRalf Baechle	select CSRC_R4K
6137cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
614377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
615d30a2b47SLinus Walleij	select GPIOLIB
6165e83d430SRalf Baechle
617baec970aSLauri Kasanenconfig MACH_NINTENDO64
618baec970aSLauri Kasanen	bool "Nintendo 64 console"
619baec970aSLauri Kasanen	select CEVT_R4K
620baec970aSLauri Kasanen	select CSRC_R4K
621baec970aSLauri Kasanen	select SYS_HAS_CPU_R4300
622baec970aSLauri Kasanen	select SYS_SUPPORTS_BIG_ENDIAN
623baec970aSLauri Kasanen	select SYS_SUPPORTS_ZBOOT
624baec970aSLauri Kasanen	select SYS_SUPPORTS_32BIT_KERNEL
625baec970aSLauri Kasanen	select SYS_SUPPORTS_64BIT_KERNEL
626baec970aSLauri Kasanen	select DMA_NONCOHERENT
627baec970aSLauri Kasanen	select IRQ_MIPS_CPU
628baec970aSLauri Kasanen
629ae2b5bb6SJohn Crispinconfig RALINK
630ae2b5bb6SJohn Crispin	bool "Ralink based machines"
631ae2b5bb6SJohn Crispin	select CEVT_R4K
632ae2b5bb6SJohn Crispin	select CSRC_R4K
633ae2b5bb6SJohn Crispin	select BOOT_RAW
634ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
63567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
636ae2b5bb6SJohn Crispin	select USE_OF
637ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
638ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
639ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
640ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
641377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
6421f0400d0SChuanhong Guo	select SYS_SUPPORTS_ZBOOT
643ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
644ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6452a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6462a153f1cSJohn Crispin	select RESET_CONTROLLER
647ae2b5bb6SJohn Crispin
6484042147aSBert Vermeulenconfig MACH_REALTEK_RTL
6494042147aSBert Vermeulen	bool "Realtek RTL838x/RTL839x based machines"
6504042147aSBert Vermeulen	select MIPS_GENERIC
6514042147aSBert Vermeulen	select DMA_NONCOHERENT
6524042147aSBert Vermeulen	select IRQ_MIPS_CPU
6534042147aSBert Vermeulen	select CSRC_R4K
6544042147aSBert Vermeulen	select CEVT_R4K
6554042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R1
6564042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R2
6574042147aSBert Vermeulen	select SYS_SUPPORTS_BIG_ENDIAN
6584042147aSBert Vermeulen	select SYS_SUPPORTS_32BIT_KERNEL
6594042147aSBert Vermeulen	select SYS_SUPPORTS_MIPS16
6604042147aSBert Vermeulen	select SYS_SUPPORTS_MULTITHREADING
6614042147aSBert Vermeulen	select SYS_SUPPORTS_VPE_LOADER
6624042147aSBert Vermeulen	select SYS_HAS_EARLY_PRINTK
6634042147aSBert Vermeulen	select SYS_HAS_EARLY_PRINTK_8250
6644042147aSBert Vermeulen	select USE_GENERIC_EARLY_PRINTK_8250
6654042147aSBert Vermeulen	select BOOT_RAW
6664042147aSBert Vermeulen	select PINCTRL
6674042147aSBert Vermeulen	select USE_OF
6684042147aSBert Vermeulen
6691da177e4SLinus Torvaldsconfig SGI_IP22
6703fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
671c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
67239b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6730e2794b0SRalf Baechle	select FW_ARC
6740e2794b0SRalf Baechle	select FW_ARC32
6757a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6761da177e4SLinus Torvalds	select BOOT_ELF32
67742f77542SRalf Baechle	select CEVT_R4K
678940f6b48SRalf Baechle	select CSRC_R4K
679e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6801da177e4SLinus Torvalds	select DMA_NONCOHERENT
6816630a8e5SChristoph Hellwig	select HAVE_EISA
682d865bea4SRalf Baechle	select I8253
68368de4803SThomas Bogendoerfer	select I8259
6841da177e4SLinus Torvalds	select IP22_CPU_SCACHE
68567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
686aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
687e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
688e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
68936e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
690e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
691e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
692e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6931da177e4SLinus Torvalds	select SWAP_IO_SPACE
6947cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6957cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
696c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
697ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
698ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6995e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
700802b8362SThomas Bogendoerfer	select WAR_R4600_V1_INDEX_ICACHEOP
7015e5b6527SThomas Bogendoerfer	select WAR_R4600_V1_HIT_CACHEOP
70244def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
703930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7041da177e4SLinus Torvalds	help
7051da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
7061da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
7071da177e4SLinus Torvalds	  that runs on these, say Y here.
7081da177e4SLinus Torvalds
7091da177e4SLinus Torvaldsconfig SGI_IP27
7103fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
71154aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
712397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
7130e2794b0SRalf Baechle	select FW_ARC
7140e2794b0SRalf Baechle	select FW_ARC64
715e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
7165e83d430SRalf Baechle	select BOOT_ELF64
717e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
71804100459SChristoph Hellwig	select FORCE_PCI
71936a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
720eb01d42aSChristoph Hellwig	select HAVE_PCI
72169a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
722e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
723130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
724a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
725a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7267cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
727ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7285e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
729d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
7301a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
731256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
732930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7336c86a302SMike Rapoport	select NUMA
7341da177e4SLinus Torvalds	help
7351da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
7361da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
7371da177e4SLinus Torvalds	  here.
7381da177e4SLinus Torvalds
739e2defae5SThomas Bogendoerferconfig SGI_IP28
7407d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
741c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
74239b2d756SThomas Bogendoerfer	select ARC_PROMLIB
7430e2794b0SRalf Baechle	select FW_ARC
7440e2794b0SRalf Baechle	select FW_ARC64
7457a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
746e2defae5SThomas Bogendoerfer	select BOOT_ELF64
747e2defae5SThomas Bogendoerfer	select CEVT_R4K
748e2defae5SThomas Bogendoerfer	select CSRC_R4K
749e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
750e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
751e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
75267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7536630a8e5SChristoph Hellwig	select HAVE_EISA
754e2defae5SThomas Bogendoerfer	select I8253
755e2defae5SThomas Bogendoerfer	select I8259
756e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
757e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7585b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
759e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
760e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
761e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
762e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
763e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
764c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
765e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
766e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
767256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
768dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
769e2defae5SThomas Bogendoerfer	help
770e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
771e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
772e2defae5SThomas Bogendoerfer
7737505576dSThomas Bogendoerferconfig SGI_IP30
7747505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7757505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7767505576dSThomas Bogendoerfer	select FW_ARC
7777505576dSThomas Bogendoerfer	select FW_ARC64
7787505576dSThomas Bogendoerfer	select BOOT_ELF64
7797505576dSThomas Bogendoerfer	select CEVT_R4K
7807505576dSThomas Bogendoerfer	select CSRC_R4K
78104100459SChristoph Hellwig	select FORCE_PCI
7827505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7837505576dSThomas Bogendoerfer	select ZONE_DMA32
7847505576dSThomas Bogendoerfer	select HAVE_PCI
7857505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7867505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7877505576dSThomas Bogendoerfer	select NR_CPUS_DEFAULT_2
7887505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7897505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7907505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7917505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7927505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7937505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7947505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
795256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
7967505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7977505576dSThomas Bogendoerfer	select ARC_MEMORY
7987505576dSThomas Bogendoerfer	help
7997505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
8007505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
8017505576dSThomas Bogendoerfer
8021da177e4SLinus Torvaldsconfig SGI_IP32
803cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
80439b2d756SThomas Bogendoerfer	select ARC_MEMORY
80539b2d756SThomas Bogendoerfer	select ARC_PROMLIB
80603df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
8070e2794b0SRalf Baechle	select FW_ARC
8080e2794b0SRalf Baechle	select FW_ARC32
8091da177e4SLinus Torvalds	select BOOT_ELF32
81042f77542SRalf Baechle	select CEVT_R4K
811940f6b48SRalf Baechle	select CSRC_R4K
8121da177e4SLinus Torvalds	select DMA_NONCOHERENT
813eb01d42aSChristoph Hellwig	select HAVE_PCI
81467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
8151da177e4SLinus Torvalds	select R5000_CPU_SCACHE
8161da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
8177cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
8187cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
8197cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
820dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
821ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
8225e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
823886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
8241da177e4SLinus Torvalds	help
8251da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
8261da177e4SLinus Torvalds
827ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
828ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
8295e83d430SRalf Baechle	select BOOT_ELF32
8305e83d430SRalf Baechle	select SIBYTE_BCM1120
8315e83d430SRalf Baechle	select SWAP_IO_SPACE
8327cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8335e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8345e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8355e83d430SRalf Baechle
836ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
837ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
8385e83d430SRalf Baechle	select BOOT_ELF32
8395e83d430SRalf Baechle	select SIBYTE_BCM1120
8405e83d430SRalf Baechle	select SWAP_IO_SPACE
8417cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8425e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8435e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8445e83d430SRalf Baechle
8455e83d430SRalf Baechleconfig SIBYTE_CRHONE
8463fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
8475e83d430SRalf Baechle	select BOOT_ELF32
8485e83d430SRalf Baechle	select SIBYTE_BCM1125
8495e83d430SRalf Baechle	select SWAP_IO_SPACE
8507cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8515e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8525e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8535e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8545e83d430SRalf Baechle
855ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
856ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
857ade299d8SYoichi Yuasa	select BOOT_ELF32
858ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
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_LITTLE_ENDIAN
863ade299d8SYoichi Yuasa
864ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
865ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
866ade299d8SYoichi Yuasa	select BOOT_ELF32
867fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
868ade299d8SYoichi Yuasa	select SIBYTE_SB1250
869ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
870ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
871ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
872ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
873ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
874cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
875e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
876ade299d8SYoichi Yuasa
877ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
878ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
879ade299d8SYoichi Yuasa	select BOOT_ELF32
880fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
881ade299d8SYoichi Yuasa	select SIBYTE_SB1250
882ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
883ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
884ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
885ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
886ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
887756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
888ade299d8SYoichi Yuasa
889ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
890ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
891ade299d8SYoichi Yuasa	select BOOT_ELF32
892ade299d8SYoichi Yuasa	select SIBYTE_SB1250
893ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
894ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
895ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
896ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
897e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
898ade299d8SYoichi Yuasa
899ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
900ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
901ade299d8SYoichi Yuasa	select BOOT_ELF32
902ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
903ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
904ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
905ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
906ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
907651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
908ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
909cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
910e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
911ade299d8SYoichi Yuasa
91214b36af4SThomas Bogendoerferconfig SNI_RM
91314b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
91439b2d756SThomas Bogendoerfer	select ARC_MEMORY
91539b2d756SThomas Bogendoerfer	select ARC_PROMLIB
9160e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
9170e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
918aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
9195e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
920a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
9217a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
9225e83d430SRalf Baechle	select BOOT_ELF32
92342f77542SRalf Baechle	select CEVT_R4K
924940f6b48SRalf Baechle	select CSRC_R4K
925e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
9265e83d430SRalf Baechle	select DMA_NONCOHERENT
9275e83d430SRalf Baechle	select GENERIC_ISA_DMA
9286630a8e5SChristoph Hellwig	select HAVE_EISA
9298a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
930eb01d42aSChristoph Hellwig	select HAVE_PCI
93167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
932d865bea4SRalf Baechle	select I8253
9335e83d430SRalf Baechle	select I8259
9345e83d430SRalf Baechle	select ISA
935564c836fSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_6
9364a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
9377cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
9384a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
939c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
9404a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
94136a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
942ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
9437d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
9444a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
9455e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
9465e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
94744def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
9481da177e4SLinus Torvalds	help
94914b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
95014b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
9515e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
9525e83d430SRalf Baechle	  support this machine type.
9531da177e4SLinus Torvalds
954edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
955edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9565e83d430SRalf Baechle
957edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
958edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
95924a1c023SThomas Bogendoerfer	select WAR_TX49XX_ICACHE_INDEX_INV
96023fbee9dSRalf Baechle
96173b4390fSRalf Baechleconfig MIKROTIK_RB532
96273b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
96373b4390fSRalf Baechle	select CEVT_R4K
96473b4390fSRalf Baechle	select CSRC_R4K
96573b4390fSRalf Baechle	select DMA_NONCOHERENT
966eb01d42aSChristoph Hellwig	select HAVE_PCI
96767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
96873b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
96973b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
97073b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
97173b4390fSRalf Baechle	select SWAP_IO_SPACE
97273b4390fSRalf Baechle	select BOOT_RAW
973d30a2b47SLinus Walleij	select GPIOLIB
974930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
97573b4390fSRalf Baechle	help
97673b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
97773b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
97873b4390fSRalf Baechle
9799ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9809ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
981a86c7f72SDavid Daney	select CEVT_R4K
982ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9831753d50cSChristoph Hellwig	select HAVE_RAPIDIO
984d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
985a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
986a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
987f65aad41SRalf Baechle	select EDAC_SUPPORT
988b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
98973569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
99073569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
991a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9925e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
993eb01d42aSChristoph Hellwig	select HAVE_PCI
99478bdbbacSMasahiro Yamada	select HAVE_PLAT_DELAY
99578bdbbacSMasahiro Yamada	select HAVE_PLAT_FW_INIT_CMDLINE
99678bdbbacSMasahiro Yamada	select HAVE_PLAT_MEMCPY
997f00e001eSDavid Daney	select ZONE_DMA32
998465aaed0SDavid Daney	select HOLES_IN_ZONE
999d30a2b47SLinus Walleij	select GPIOLIB
10006e511163SDavid Daney	select USE_OF
10016e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
10026e511163SDavid Daney	select SYS_SUPPORTS_SMP
10037820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
10047820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
1005e326479fSAndrew Bresticker	select BUILTIN_DTB
1006f766b28aSJulian Braha	select MTD
10078c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
100809230cbcSChristoph Hellwig	select SWIOTLB
10093ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
1010a86c7f72SDavid Daney	help
1011a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
1012a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
1013a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
1014a86c7f72SDavid Daney	  Some of the supported boards are:
1015a86c7f72SDavid Daney		EBT3000
1016a86c7f72SDavid Daney		EBH3000
1017a86c7f72SDavid Daney		EBH3100
1018a86c7f72SDavid Daney		Thunder
1019a86c7f72SDavid Daney		Kodama
1020a86c7f72SDavid Daney		Hikari
1021a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
1022a86c7f72SDavid Daney
10237f058e85SJayachandran Cconfig NLM_XLR_BOARD
10247f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
10257f058e85SJayachandran C	select BOOT_ELF32
10267f058e85SJayachandran C	select NLM_COMMON
10277f058e85SJayachandran C	select SYS_HAS_CPU_XLR
10287f058e85SJayachandran C	select SYS_SUPPORTS_SMP
1029eb01d42aSChristoph Hellwig	select HAVE_PCI
10307f058e85SJayachandran C	select SWAP_IO_SPACE
10317f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
10327f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
1033d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
10347f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10357f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10367f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
10377f058e85SJayachandran C	select CEVT_R4K
10387f058e85SJayachandran C	select CSRC_R4K
103967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1040b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10417f058e85SJayachandran C	select SYNC_R4K
10427f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
10438f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10448f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10457f058e85SJayachandran C	help
10467f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
10477f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
10487f058e85SJayachandran C
10491c773ea4SJayachandran Cconfig NLM_XLP_BOARD
10501c773ea4SJayachandran C	bool "Netlogic XLP based systems"
10511c773ea4SJayachandran C	select BOOT_ELF32
10521c773ea4SJayachandran C	select NLM_COMMON
10531c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
10541c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
1055eb01d42aSChristoph Hellwig	select HAVE_PCI
10561c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
10571c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
1058d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1059d30a2b47SLinus Walleij	select GPIOLIB
10601c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10611c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
10621c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10631c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
10641c773ea4SJayachandran C	select CEVT_R4K
10651c773ea4SJayachandran C	select CSRC_R4K
106667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1067b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10681c773ea4SJayachandran C	select SYNC_R4K
10691c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
10702f6528e1SJayachandran C	select USE_OF
10718f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10728f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10731c773ea4SJayachandran C	help
10741c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
10751c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
10761c773ea4SJayachandran C
10771da177e4SLinus Torvaldsendchoice
10781da177e4SLinus Torvalds
1079e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10803b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1081d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1082a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1083e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10848945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1085eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
1086a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig"
10875e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10888ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10892572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1090af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
1091ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
109229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
109338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
109422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10955e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1096a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
109771e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
109830ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
109930ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
11007f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
110138b18f72SRalf Baechle
11025e83d430SRalf Baechleendmenu
11035e83d430SRalf Baechle
11043c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
11053c9ee7efSAkinobu Mita	bool
11063c9ee7efSAkinobu Mita	default y
11073c9ee7efSAkinobu Mita
11081da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
11091da177e4SLinus Torvalds	bool
11101da177e4SLinus Torvalds	default y
11111da177e4SLinus Torvalds
1112ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
11131cc89038SAtsushi Nemoto	bool
11141cc89038SAtsushi Nemoto	default y
11151cc89038SAtsushi Nemoto
11161da177e4SLinus Torvalds#
11171da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
11181da177e4SLinus Torvalds#
11190e2794b0SRalf Baechleconfig FW_ARC
11201da177e4SLinus Torvalds	bool
11211da177e4SLinus Torvalds
112261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
112361ed242dSRalf Baechle	bool
112461ed242dSRalf Baechle
11259267a30dSMarc St-Jeanconfig BOOT_RAW
11269267a30dSMarc St-Jean	bool
11279267a30dSMarc St-Jean
1128217dd11eSRalf Baechleconfig CEVT_BCM1480
1129217dd11eSRalf Baechle	bool
1130217dd11eSRalf Baechle
11316457d9fcSYoichi Yuasaconfig CEVT_DS1287
11326457d9fcSYoichi Yuasa	bool
11336457d9fcSYoichi Yuasa
11341097c6acSYoichi Yuasaconfig CEVT_GT641XX
11351097c6acSYoichi Yuasa	bool
11361097c6acSYoichi Yuasa
113742f77542SRalf Baechleconfig CEVT_R4K
113842f77542SRalf Baechle	bool
113942f77542SRalf Baechle
1140217dd11eSRalf Baechleconfig CEVT_SB1250
1141217dd11eSRalf Baechle	bool
1142217dd11eSRalf Baechle
1143229f773eSAtsushi Nemotoconfig CEVT_TXX9
1144229f773eSAtsushi Nemoto	bool
1145229f773eSAtsushi Nemoto
1146217dd11eSRalf Baechleconfig CSRC_BCM1480
1147217dd11eSRalf Baechle	bool
1148217dd11eSRalf Baechle
11494247417dSYoichi Yuasaconfig CSRC_IOASIC
11504247417dSYoichi Yuasa	bool
11514247417dSYoichi Yuasa
1152940f6b48SRalf Baechleconfig CSRC_R4K
115338586428SSerge Semin	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1154940f6b48SRalf Baechle	bool
1155940f6b48SRalf Baechle
1156217dd11eSRalf Baechleconfig CSRC_SB1250
1157217dd11eSRalf Baechle	bool
1158217dd11eSRalf Baechle
1159a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1160a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1161a7f4df4eSAlex Smith
1162a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1163d30a2b47SLinus Walleij	select GPIOLIB
1164a9aec7feSAtsushi Nemoto	bool
1165a9aec7feSAtsushi Nemoto
11660e2794b0SRalf Baechleconfig FW_CFE
1167df78b5c8SAurelien Jarno	bool
1168df78b5c8SAurelien Jarno
116940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
117040e084a5SRalf Baechle	bool
117140e084a5SRalf Baechle
117220d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
117320d33064SPaul Burton	bool
1174347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
11755748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
117620d33064SPaul Burton
11771da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11781da177e4SLinus Torvalds	bool
1179db91427bSChristoph Hellwig	#
1180db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1181db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1182db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1183db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1184db91427bSChristoph Hellwig	# significant advantages.
1185db91427bSChristoph Hellwig	#
1186419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1187fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_PREP_COHERENT
1188f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1189fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_SET_UNCACHED
119034dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
119134dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11924ce588cdSRalf Baechle
119336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11941da177e4SLinus Torvalds	bool
11951da177e4SLinus Torvalds
11961b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1197dbb74540SRalf Baechle	bool
1198dbb74540SRalf Baechle
11991da177e4SLinus Torvaldsconfig MIPS_BONITO64
12001da177e4SLinus Torvalds	bool
12011da177e4SLinus Torvalds
12021da177e4SLinus Torvaldsconfig MIPS_MSC
12031da177e4SLinus Torvalds	bool
12041da177e4SLinus Torvalds
120539b8d525SRalf Baechleconfig SYNC_R4K
120639b8d525SRalf Baechle	bool
120739b8d525SRalf Baechle
1208ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1209d388d685SMaciej W. Rozycki	def_bool n
1210d388d685SMaciej W. Rozycki
12114e0748f5SMarkos Chandrasconfig GENERIC_CSUM
121218d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
12134e0748f5SMarkos Chandras
12148313da30SRalf Baechleconfig GENERIC_ISA_DMA
12158313da30SRalf Baechle	bool
12168313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1217a35bee8aSNamhyung Kim	select ISA_DMA_API
12188313da30SRalf Baechle
1219aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1220aa414dffSRalf Baechle	bool
12218313da30SRalf Baechle	select GENERIC_ISA_DMA
1222aa414dffSRalf Baechle
122378bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY
122478bdbbacSMasahiro Yamada	bool
122578bdbbacSMasahiro Yamada
122678bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE
122778bdbbacSMasahiro Yamada	bool
122878bdbbacSMasahiro Yamada
122978bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY
123078bdbbacSMasahiro Yamada	bool
123178bdbbacSMasahiro Yamada
1232a35bee8aSNamhyung Kimconfig ISA_DMA_API
1233a35bee8aSNamhyung Kim	bool
1234a35bee8aSNamhyung Kim
1235465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1236465aaed0SDavid Daney	bool
1237465aaed0SDavid Daney
12388c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
12398c530ea3SMatt Redfearn	bool
12408c530ea3SMatt Redfearn	help
12418c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
12428c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
12438c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
12448c530ea3SMatt Redfearn
1245f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT
1246f381bf6dSDavid Daney	def_bool y
1247f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_CBPF_JIT
1248f381bf6dSDavid Daney
1249f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT
1250f381bf6dSDavid Daney	def_bool y
1251f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_EBPF_JIT
1252f381bf6dSDavid Daney
1253f381bf6dSDavid Daney
12545e83d430SRalf Baechle#
12556b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
12565e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
12575e83d430SRalf Baechle# choice statement should be more obvious to the user.
12585e83d430SRalf Baechle#
12595e83d430SRalf Baechlechoice
12606b2aac42SMasanari Iida	prompt "Endianness selection"
12611da177e4SLinus Torvalds	help
12621da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
12635e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
12643cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
12655e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
12663dde6ad8SDavid Sterba	  one or the other endianness.
12675e83d430SRalf Baechle
12685e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
12695e83d430SRalf Baechle	bool "Big endian"
12705e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
12715e83d430SRalf Baechle
12725e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
12735e83d430SRalf Baechle	bool "Little endian"
12745e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
12755e83d430SRalf Baechle
12765e83d430SRalf Baechleendchoice
12775e83d430SRalf Baechle
127822b0763aSDavid Daneyconfig EXPORT_UASM
127922b0763aSDavid Daney	bool
128022b0763aSDavid Daney
12812116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
12822116245eSRalf Baechle	bool
12832116245eSRalf Baechle
12845e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
12855e83d430SRalf Baechle	bool
12865e83d430SRalf Baechle
12875e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12885e83d430SRalf Baechle	bool
12891da177e4SLinus Torvalds
12909cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
12919cffd154SDavid Daney	bool
129245e03e62SDaniel Silsby	depends on CPU_SUPPORTS_HUGEPAGES
12939cffd154SDavid Daney	default y
12949cffd154SDavid Daney
1295aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1296aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1297aa1762f4SDavid Daney
12989267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12999267a30dSMarc St-Jean	bool
13009267a30dSMarc St-Jean
13019267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
13029267a30dSMarc St-Jean	bool
13039267a30dSMarc St-Jean
13048420fd00SAtsushi Nemotoconfig IRQ_TXX9
13058420fd00SAtsushi Nemoto	bool
13068420fd00SAtsushi Nemoto
1307d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1308d5ab1a69SYoichi Yuasa	bool
1309d5ab1a69SYoichi Yuasa
1310252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
13111da177e4SLinus Torvalds	bool
13121da177e4SLinus Torvalds
1313a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1314a57140e9SThomas Bogendoerfer	bool
1315a57140e9SThomas Bogendoerfer
13169267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
13179267a30dSMarc St-Jean	bool
13189267a30dSMarc St-Jean
1319a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1320a7e07b1aSMarkos Chandras	bool
1321a7e07b1aSMarkos Chandras
13221da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
13231da177e4SLinus Torvalds	bool
13241da177e4SLinus Torvalds
1325e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1326e2defae5SThomas Bogendoerfer	bool
1327e2defae5SThomas Bogendoerfer
13285b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
13295b438c44SThomas Bogendoerfer	bool
13305b438c44SThomas Bogendoerfer
1331e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1332e2defae5SThomas Bogendoerfer	bool
1333e2defae5SThomas Bogendoerfer
1334e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1335e2defae5SThomas Bogendoerfer	bool
1336e2defae5SThomas Bogendoerfer
1337e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1338e2defae5SThomas Bogendoerfer	bool
1339e2defae5SThomas Bogendoerfer
1340e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1341e2defae5SThomas Bogendoerfer	bool
1342e2defae5SThomas Bogendoerfer
1343e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1344e2defae5SThomas Bogendoerfer	bool
1345e2defae5SThomas Bogendoerfer
13460e2794b0SRalf Baechleconfig FW_ARC32
13475e83d430SRalf Baechle	bool
13485e83d430SRalf Baechle
1349aaa9fad3SPaul Bolleconfig FW_SNIPROM
1350231a35d3SThomas Bogendoerfer	bool
1351231a35d3SThomas Bogendoerfer
13521da177e4SLinus Torvaldsconfig BOOT_ELF32
13531da177e4SLinus Torvalds	bool
13541da177e4SLinus Torvalds
1355930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1356930beb5aSFlorian Fainelli	bool
1357930beb5aSFlorian Fainelli
1358930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1359930beb5aSFlorian Fainelli	bool
1360930beb5aSFlorian Fainelli
1361930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1362930beb5aSFlorian Fainelli	bool
1363930beb5aSFlorian Fainelli
1364930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1365930beb5aSFlorian Fainelli	bool
1366930beb5aSFlorian Fainelli
13671da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
13681da177e4SLinus Torvalds	int
1369a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
13705432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
13715432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
13725432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
13731da177e4SLinus Torvalds	default "5"
13741da177e4SLinus Torvalds
1375e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1376e9422427SThomas Bogendoerfer	bool
1377e9422427SThomas Bogendoerfer
13781da177e4SLinus Torvaldsconfig ARC_CONSOLE
13791da177e4SLinus Torvalds	bool "ARC console support"
1380e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
13811da177e4SLinus Torvalds
13821da177e4SLinus Torvaldsconfig ARC_MEMORY
13831da177e4SLinus Torvalds	bool
13841da177e4SLinus Torvalds
13851da177e4SLinus Torvaldsconfig ARC_PROMLIB
13861da177e4SLinus Torvalds	bool
13871da177e4SLinus Torvalds
13880e2794b0SRalf Baechleconfig FW_ARC64
13891da177e4SLinus Torvalds	bool
13901da177e4SLinus Torvalds
13911da177e4SLinus Torvaldsconfig BOOT_ELF64
13921da177e4SLinus Torvalds	bool
13931da177e4SLinus Torvalds
13941da177e4SLinus Torvaldsmenu "CPU selection"
13951da177e4SLinus Torvalds
13961da177e4SLinus Torvaldschoice
13971da177e4SLinus Torvalds	prompt "CPU type"
13981da177e4SLinus Torvalds	default CPU_R4X00
13991da177e4SLinus Torvalds
1400268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1401caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1402268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1403d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
140451522217SJiaxun Yang	select CPU_MIPSR2
140551522217SJiaxun Yang	select CPU_HAS_PREFETCH
14060e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
14070e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
14080e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
14097507445bSHuacai Chen	select CPU_SUPPORTS_MSA
141051522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
141151522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
14120e476d91SHuacai Chen	select WEAK_ORDERING
14130e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
14147507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1415b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
141617c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
1417d30a2b47SLinus Walleij	select GPIOLIB
141809230cbcSChristoph Hellwig	select SWIOTLB
14190f78355cSHuacai Chen	select HAVE_KVM
14200e476d91SHuacai Chen	help
1421caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1422caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1423caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1424caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1425caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
14260e476d91SHuacai Chen
1427caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1428caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
14291e820da3SHuacai Chen	default n
1430268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
14311e820da3SHuacai Chen	help
1432caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
14331e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1434268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
14351e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
14361e820da3SHuacai Chen	  Fast TLB refill support, etc.
14371e820da3SHuacai Chen
14381e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
14391e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
14401e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1441caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
14421e820da3SHuacai Chen
1443e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1444caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1445e02e07e3SHuacai Chen	default y if SMP
1446268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1447e02e07e3SHuacai Chen	help
1448caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1449e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1450e02e07e3SHuacai Chen
1451caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1452e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1453e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1454e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1455e02e07e3SHuacai Chen
1456e02e07e3SHuacai Chen	  If unsure, please say Y.
1457e02e07e3SHuacai Chen
1458ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION
1459ec7a9318SWANG Xuerui	bool "Emulate the CPUCFG instruction on older Loongson cores"
1460ec7a9318SWANG Xuerui	default y
1461ec7a9318SWANG Xuerui	depends on CPU_LOONGSON64
1462ec7a9318SWANG Xuerui	help
1463ec7a9318SWANG Xuerui	  Loongson-3A R4 and newer have the CPUCFG instruction available for
1464ec7a9318SWANG Xuerui	  userland to query CPU capabilities, much like CPUID on x86. This
1465ec7a9318SWANG Xuerui	  option provides emulation of the instruction on older Loongson
1466ec7a9318SWANG Xuerui	  cores, back to Loongson-3A1000.
1467ec7a9318SWANG Xuerui
1468ec7a9318SWANG Xuerui	  If unsure, please say Y.
1469ec7a9318SWANG Xuerui
14703702bba5SWu Zhangjinconfig CPU_LOONGSON2E
14713702bba5SWu Zhangjin	bool "Loongson 2E"
14723702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1473268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
14742a21c730SFuxin Zhang	help
14752a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
14762a21c730SFuxin Zhang	  with many extensions.
14772a21c730SFuxin Zhang
147825985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
14796f7a251aSWu Zhangjin	  bonito64.
14806f7a251aSWu Zhangjin
14816f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
14826f7a251aSWu Zhangjin	bool "Loongson 2F"
14836f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1484268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1485d30a2b47SLinus Walleij	select GPIOLIB
14866f7a251aSWu Zhangjin	help
14876f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
14886f7a251aSWu Zhangjin	  with many extensions.
14896f7a251aSWu Zhangjin
14906f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
14916f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
14926f7a251aSWu Zhangjin	  Loongson2E.
14936f7a251aSWu Zhangjin
1494ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1495ca585cf9SKelvin Cheung	bool "Loongson 1B"
1496ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1497b2afb64cSHuacai Chen	select CPU_LOONGSON32
14989ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1499ca585cf9SKelvin Cheung	help
1500ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1501968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1502968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1503ca585cf9SKelvin Cheung
150412e3280bSYang Lingconfig CPU_LOONGSON1C
150512e3280bSYang Ling	bool "Loongson 1C"
150612e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1507b2afb64cSHuacai Chen	select CPU_LOONGSON32
150812e3280bSYang Ling	select LEDS_GPIO_REGISTER
150912e3280bSYang Ling	help
151012e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1511968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1512968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
151312e3280bSYang Ling
15146e760c8dSRalf Baechleconfig CPU_MIPS32_R1
15156e760c8dSRalf Baechle	bool "MIPS32 Release 1"
15167cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
15176e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1518797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1519ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15206e760c8dSRalf Baechle	help
15215e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15221e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15231e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15241e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15251e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15261e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
15271e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
15281e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
15291e5f1caaSRalf Baechle	  performance.
15301e5f1caaSRalf Baechle
15311e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
15321e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
15337cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
15341e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1535797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1536ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1537a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
15382235a54dSSanjay Lal	select HAVE_KVM
15391e5f1caaSRalf Baechle	help
15405e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15416e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15426e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15436e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15446e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15451da177e4SLinus Torvalds
1546ab7c01fdSSerge Seminconfig CPU_MIPS32_R5
1547ab7c01fdSSerge Semin	bool "MIPS32 Release 5"
1548ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS32_R5
1549ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1550ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1551ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1552ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1553ab7c01fdSSerge Semin	select HAVE_KVM
1554ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT
1555ab7c01fdSSerge Semin	help
1556ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1557ab7c01fdSSerge Semin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1558ab7c01fdSSerge Semin	  family, are based on a MIPS32r5 processor. If you own an older
1559ab7c01fdSSerge Semin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1560ab7c01fdSSerge Semin
15617fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1562674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
15637fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
15647fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
156518d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15667fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15677fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
15687fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15697fd08ca5SLeonid Yegoshin	select HAVE_KVM
15707fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
15717fd08ca5SLeonid Yegoshin	help
15727fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15737fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
15747fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
15757fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
15767fd08ca5SLeonid Yegoshin
15776e760c8dSRalf Baechleconfig CPU_MIPS64_R1
15786e760c8dSRalf Baechle	bool "MIPS64 Release 1"
15797cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1580797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1581ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1582ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1583ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15849cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
15856e760c8dSRalf Baechle	help
15866e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15876e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15886e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15896e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15906e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15911e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
15921e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
15931e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
15941e5f1caaSRalf Baechle	  performance.
15951e5f1caaSRalf Baechle
15961e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15971e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15987cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1599797798c1SRalf Baechle	select CPU_HAS_PREFETCH
16001e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
16011e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1602ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
16039cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1604a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
160540a2df49SJames Hogan	select HAVE_KVM
16061e5f1caaSRalf Baechle	help
16071e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
16081e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
16091e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
16101e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
16111e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
16121da177e4SLinus Torvalds
1613ab7c01fdSSerge Seminconfig CPU_MIPS64_R5
1614ab7c01fdSSerge Semin	bool "MIPS64 Release 5"
1615ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS64_R5
1616ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1617ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1618ab7c01fdSSerge Semin	select CPU_SUPPORTS_64BIT_KERNEL
1619ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1620ab7c01fdSSerge Semin	select CPU_SUPPORTS_HUGEPAGES
1621ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1622ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1623ab7c01fdSSerge Semin	select HAVE_KVM
1624ab7c01fdSSerge Semin	help
1625ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1626ab7c01fdSSerge Semin	  MIPS64 architecture.  This is a intermediate MIPS architecture
1627ab7c01fdSSerge Semin	  release partly implementing release 6 features. Though there is no
1628ab7c01fdSSerge Semin	  any hardware known to be based on this release.
1629ab7c01fdSSerge Semin
16307fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1631674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
16327fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
16337fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
163418d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
16357fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
16367fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
16377fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1638afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
16397fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
16402e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
164140a2df49SJames Hogan	select HAVE_KVM
16427fd08ca5SLeonid Yegoshin	help
16437fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
16447fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
16457fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
16467fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
16477fd08ca5SLeonid Yegoshin
1648281e3aeaSSerge Seminconfig CPU_P5600
1649281e3aeaSSerge Semin	bool "MIPS Warrior P5600"
1650281e3aeaSSerge Semin	depends on SYS_HAS_CPU_P5600
1651281e3aeaSSerge Semin	select CPU_HAS_PREFETCH
1652281e3aeaSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1653281e3aeaSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1654281e3aeaSSerge Semin	select CPU_SUPPORTS_MSA
1655281e3aeaSSerge Semin	select CPU_SUPPORTS_CPUFREQ
1656281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_VI
1657281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_EI
1658281e3aeaSSerge Semin	select HAVE_KVM
1659281e3aeaSSerge Semin	select MIPS_O32_FP64_SUPPORT
1660281e3aeaSSerge Semin	help
1661281e3aeaSSerge Semin	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1662281e3aeaSSerge Semin	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1663281e3aeaSSerge Semin	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1664281e3aeaSSerge Semin	  level features like up to six P5600 calculation cores, CM2 with L2
1665281e3aeaSSerge Semin	  cache, IOCU/IOMMU (though might be unused depending on the system-
1666281e3aeaSSerge Semin	  specific IP core configuration), GIC, CPC, virtualisation module,
1667281e3aeaSSerge Semin	  eJTAG and PDtrace.
1668281e3aeaSSerge Semin
16691da177e4SLinus Torvaldsconfig CPU_R3000
16701da177e4SLinus Torvalds	bool "R3000"
16717cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1672f7062ddbSRalf Baechle	select CPU_HAS_WB
167354746829SPaul Burton	select CPU_R3K_TLB
1674ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1675797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
16761da177e4SLinus Torvalds	help
16771da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
16781da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
16791da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
16801da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
16811da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
16821da177e4SLinus Torvalds	  try to recompile with R3000.
16831da177e4SLinus Torvalds
16841da177e4SLinus Torvaldsconfig CPU_TX39XX
16851da177e4SLinus Torvalds	bool "R39XX"
16867cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1687ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
168854746829SPaul Burton	select CPU_R3K_TLB
16891da177e4SLinus Torvalds
16901da177e4SLinus Torvaldsconfig CPU_VR41XX
16911da177e4SLinus Torvalds	bool "R41xx"
16927cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1693ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1694ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
16951da177e4SLinus Torvalds	help
16965e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16971da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16981da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16991da177e4SLinus Torvalds	  processor or vice versa.
17001da177e4SLinus Torvalds
170165ce6197SLauri Kasanenconfig CPU_R4300
170265ce6197SLauri Kasanen	bool "R4300"
170365ce6197SLauri Kasanen	depends on SYS_HAS_CPU_R4300
170465ce6197SLauri Kasanen	select CPU_SUPPORTS_32BIT_KERNEL
170565ce6197SLauri Kasanen	select CPU_SUPPORTS_64BIT_KERNEL
170665ce6197SLauri Kasanen	select CPU_HAS_LOAD_STORE_LR
170765ce6197SLauri Kasanen	help
170865ce6197SLauri Kasanen	  MIPS Technologies R4300-series processors.
170965ce6197SLauri Kasanen
17101da177e4SLinus Torvaldsconfig CPU_R4X00
17111da177e4SLinus Torvalds	bool "R4x00"
17127cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1713ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1714ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1715970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17161da177e4SLinus Torvalds	help
17171da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
17181da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
17191da177e4SLinus Torvalds
17201da177e4SLinus Torvaldsconfig CPU_TX49XX
17211da177e4SLinus Torvalds	bool "R49XX"
17227cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1723de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1724ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1725ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1726970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17271da177e4SLinus Torvalds
17281da177e4SLinus Torvaldsconfig CPU_R5000
17291da177e4SLinus Torvalds	bool "R5000"
17307cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1731ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1732ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1733970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17341da177e4SLinus Torvalds	help
17351da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
17361da177e4SLinus Torvalds
1737542c1020SShinya Kuribayashiconfig CPU_R5500
1738542c1020SShinya Kuribayashi	bool "R5500"
1739542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1740542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1741542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
17429cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1743542c1020SShinya Kuribayashi	help
1744542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1745542c1020SShinya Kuribayashi	  instruction set.
1746542c1020SShinya Kuribayashi
17471da177e4SLinus Torvaldsconfig CPU_NEVADA
17481da177e4SLinus Torvalds	bool "RM52xx"
17497cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1750ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1751ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1752970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17531da177e4SLinus Torvalds	help
17541da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
17551da177e4SLinus Torvalds
17561da177e4SLinus Torvaldsconfig CPU_R10000
17571da177e4SLinus Torvalds	bool "R10000"
17587cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
17595e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1760ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1761ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1762797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1763970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17641da177e4SLinus Torvalds	help
17651da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
17661da177e4SLinus Torvalds
17671da177e4SLinus Torvaldsconfig CPU_RM7000
17681da177e4SLinus Torvalds	bool "RM7000"
17697cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
17705e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1771ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1772ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1773797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1774970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17751da177e4SLinus Torvalds
17761da177e4SLinus Torvaldsconfig CPU_SB1
17771da177e4SLinus Torvalds	bool "SB1"
17787cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1779ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1780ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1781797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1782970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17830004a9dfSRalf Baechle	select WEAK_ORDERING
17841da177e4SLinus Torvalds
1785a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1786a86c7f72SDavid Daney	bool "Cavium Octeon processor"
17875e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1788a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1789a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1790a86c7f72SDavid Daney	select WEAK_ORDERING
1791a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17929cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1793df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1794df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1795930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17960ae3abcdSJames Hogan	select HAVE_KVM
1797a86c7f72SDavid Daney	help
1798a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1799a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1800a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1801a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1802a86c7f72SDavid Daney
1803cd746249SJonas Gorskiconfig CPU_BMIPS
1804cd746249SJonas Gorski	bool "Broadcom BMIPS"
1805cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1806cd746249SJonas Gorski	select CPU_MIPS32
1807fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1808cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1809cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1810cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1811cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1812cd746249SJonas Gorski	select DMA_NONCOHERENT
181367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1814cd746249SJonas Gorski	select SWAP_IO_SPACE
1815cd746249SJonas Gorski	select WEAK_ORDERING
1816c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
181769aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1818a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1819a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1820c1c0c461SKevin Cernekee	help
1821fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1822c1c0c461SKevin Cernekee
18237f058e85SJayachandran Cconfig CPU_XLR
18247f058e85SJayachandran C	bool "Netlogic XLR SoC"
18257f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
18267f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
18277f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
18287f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1829970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
18307f058e85SJayachandran C	select WEAK_ORDERING
18317f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
18327f058e85SJayachandran C	help
18337f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
18341c773ea4SJayachandran C
18351c773ea4SJayachandran Cconfig CPU_XLP
18361c773ea4SJayachandran C	bool "Netlogic XLP SoC"
18371c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
18381c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
18391c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
18401c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
18411c773ea4SJayachandran C	select WEAK_ORDERING
18421c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
18431c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1844d6504846SJayachandran C	select CPU_MIPSR2
1845ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
18462db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
18471c773ea4SJayachandran C	help
18481c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
18491da177e4SLinus Torvaldsendchoice
18501da177e4SLinus Torvalds
1851a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1852a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1853a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
1854281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1855281e3aeaSSerge Semin		   CPU_P5600
1856a6e18781SLeonid Yegoshin	help
1857a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1858a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1859a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1860a6e18781SLeonid Yegoshin
1861a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1862a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1863a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1864a6e18781SLeonid Yegoshin	select EVA
1865a6e18781SLeonid Yegoshin	default y
1866a6e18781SLeonid Yegoshin	help
1867a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1868a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1869a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1870a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1871a6e18781SLeonid Yegoshin
1872c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1873c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1874c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1875281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1876c5b36783SSteven J. Hill	help
1877c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1878c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1879c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1880c5b36783SSteven J. Hill
1881c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1882c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1883c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1884c5b36783SSteven J. Hill	depends on !EVA
1885c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1886c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1887c5b36783SSteven J. Hill	select XPA
1888c5b36783SSteven J. Hill	select HIGHMEM
1889d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1890c5b36783SSteven J. Hill	default n
1891c5b36783SSteven J. Hill	help
1892c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1893c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1894c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1895c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1896c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1897c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1898c5b36783SSteven J. Hill
1899622844bfSWu Zhangjinif CPU_LOONGSON2F
1900622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1901622844bfSWu Zhangjin	bool
1902622844bfSWu Zhangjin
1903622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1904622844bfSWu Zhangjin	bool
1905622844bfSWu Zhangjin
1906622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1907622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1908622844bfSWu Zhangjin	default y
1909622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1910622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1911622844bfSWu Zhangjin	help
1912622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1913622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1914622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1915622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1916622844bfSWu Zhangjin
1917622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1918622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1919622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1920622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1921622844bfSWu Zhangjin	  systems.
1922622844bfSWu Zhangjin
1923622844bfSWu Zhangjin	  If unsure, please say Y.
1924622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1925622844bfSWu Zhangjin
19261b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
19271b93b3c3SWu Zhangjin	bool
19281b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
19291b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
193031c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
19311b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1932fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
19334e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
1934a510b616SPaul Cercueil	select HAVE_KERNEL_ZSTD
19351b93b3c3SWu Zhangjin
19361b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
19371b93b3c3SWu Zhangjin	bool
19381b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
19391b93b3c3SWu Zhangjin
1940dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1941dbb98314SAlban Bedel	bool
1942dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1943dbb98314SAlban Bedel
1944268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
19453702bba5SWu Zhangjin	bool
19463702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
19473702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
19483702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1949970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1950e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
19513702bba5SWu Zhangjin
1952b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1953ca585cf9SKelvin Cheung	bool
1954ca585cf9SKelvin Cheung	select CPU_MIPS32
19557e280f6bSJiaxun Yang	select CPU_MIPSR2
1956ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1957ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1958ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1959f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1960ca585cf9SKelvin Cheung
1961fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
196204fa8bf7SJonas Gorski	select SMP_UP if SMP
19631bbb6c1bSKevin Cernekee	bool
1964cd746249SJonas Gorski
1965cd746249SJonas Gorskiconfig CPU_BMIPS4350
1966cd746249SJonas Gorski	bool
1967cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1968cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1969cd746249SJonas Gorski
1970cd746249SJonas Gorskiconfig CPU_BMIPS4380
1971cd746249SJonas Gorski	bool
1972bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1973cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1974cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1975b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1976cd746249SJonas Gorski
1977cd746249SJonas Gorskiconfig CPU_BMIPS5000
1978cd746249SJonas Gorski	bool
1979cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1980bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1981cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1982cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1983b4720809SFlorian Fainelli	select CPU_HAS_RIXI
19841bbb6c1bSKevin Cernekee
1985268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
19860e476d91SHuacai Chen	bool
19870e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1988b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19890e476d91SHuacai Chen
19903702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19912a21c730SFuxin Zhang	bool
19922a21c730SFuxin Zhang
19936f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19946f7a251aSWu Zhangjin	bool
199555045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
199655045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
19976f7a251aSWu Zhangjin
1998ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1999ca585cf9SKelvin Cheung	bool
2000ca585cf9SKelvin Cheung
200112e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
200212e3280bSYang Ling	bool
200312e3280bSYang Ling
20047cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
20057cf8053bSRalf Baechle	bool
20067cf8053bSRalf Baechle
20077cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
20087cf8053bSRalf Baechle	bool
20097cf8053bSRalf Baechle
2010a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
2011a6e18781SLeonid Yegoshin	bool
2012a6e18781SLeonid Yegoshin
2013c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
2014c5b36783SSteven J. Hill	bool
20159ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2016c5b36783SSteven J. Hill
20177fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
20187fd08ca5SLeonid Yegoshin	bool
20199ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20207fd08ca5SLeonid Yegoshin
20217cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
20227cf8053bSRalf Baechle	bool
20237cf8053bSRalf Baechle
20247cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
20257cf8053bSRalf Baechle	bool
20267cf8053bSRalf Baechle
20277fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
20287fd08ca5SLeonid Yegoshin	bool
20299ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20307fd08ca5SLeonid Yegoshin
2031281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600
2032281e3aeaSSerge Semin	bool
2033281e3aeaSSerge Semin	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2034281e3aeaSSerge Semin
20357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
20367cf8053bSRalf Baechle	bool
20377cf8053bSRalf Baechle
20387cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
20397cf8053bSRalf Baechle	bool
20407cf8053bSRalf Baechle
20417cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
20427cf8053bSRalf Baechle	bool
20437cf8053bSRalf Baechle
204465ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300
204565ce6197SLauri Kasanen	bool
204665ce6197SLauri Kasanen
20477cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
20487cf8053bSRalf Baechle	bool
20497cf8053bSRalf Baechle
20507cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
20517cf8053bSRalf Baechle	bool
20527cf8053bSRalf Baechle
20537cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
20547cf8053bSRalf Baechle	bool
20557cf8053bSRalf Baechle
2056542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
2057542c1020SShinya Kuribayashi	bool
2058542c1020SShinya Kuribayashi
20597cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
20607cf8053bSRalf Baechle	bool
20617cf8053bSRalf Baechle
20627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
20637cf8053bSRalf Baechle	bool
20649ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20657cf8053bSRalf Baechle
20667cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
20677cf8053bSRalf Baechle	bool
20687cf8053bSRalf Baechle
20697cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
20707cf8053bSRalf Baechle	bool
20717cf8053bSRalf Baechle
20725e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
20735e683389SDavid Daney	bool
20745e683389SDavid Daney
2075cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
2076c1c0c461SKevin Cernekee	bool
2077c1c0c461SKevin Cernekee
2078fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
2079c1c0c461SKevin Cernekee	bool
2080cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2081c1c0c461SKevin Cernekee
2082c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
2083c1c0c461SKevin Cernekee	bool
2084cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2085c1c0c461SKevin Cernekee
2086c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
2087c1c0c461SKevin Cernekee	bool
2088cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2089c1c0c461SKevin Cernekee
2090c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2091c1c0c461SKevin Cernekee	bool
2092cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2093f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
2094c1c0c461SKevin Cernekee
20957f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20967f058e85SJayachandran C	bool
20977f058e85SJayachandran C
20981c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20991c773ea4SJayachandran C	bool
21001c773ea4SJayachandran C
210117099b11SRalf Baechle#
210217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
210317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
210417099b11SRalf Baechle#
21050004a9dfSRalf Baechleconfig WEAK_ORDERING
21060004a9dfSRalf Baechle	bool
210717099b11SRalf Baechle
210817099b11SRalf Baechle#
210917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
211017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
211117099b11SRalf Baechle#
211217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
211317099b11SRalf Baechle	bool
21145e83d430SRalf Baechleendmenu
21155e83d430SRalf Baechle
21165e83d430SRalf Baechle#
21175e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
21185e83d430SRalf Baechle#
21195e83d430SRalf Baechleconfig CPU_MIPS32
21205e83d430SRalf Baechle	bool
2121ab7c01fdSSerge Semin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
2122281e3aeaSSerge Semin		     CPU_MIPS32_R6 || CPU_P5600
21235e83d430SRalf Baechle
21245e83d430SRalf Baechleconfig CPU_MIPS64
21255e83d430SRalf Baechle	bool
2126ab7c01fdSSerge Semin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
21275a4fa44fSJason A. Donenfeld		     CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
21285e83d430SRalf Baechle
21295e83d430SRalf Baechle#
213057eeacedSPaul Burton# These indicate the revision of the architecture
21315e83d430SRalf Baechle#
21325e83d430SRalf Baechleconfig CPU_MIPSR1
21335e83d430SRalf Baechle	bool
21345e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
21355e83d430SRalf Baechle
21365e83d430SRalf Baechleconfig CPU_MIPSR2
21375e83d430SRalf Baechle	bool
2138a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
21398256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2140ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2141a7e07b1aSMarkos Chandras	select MIPS_SPRAM
21425e83d430SRalf Baechle
2143ab7c01fdSSerge Seminconfig CPU_MIPSR5
2144ab7c01fdSSerge Semin	bool
2145281e3aeaSSerge Semin	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
2146ab7c01fdSSerge Semin	select CPU_HAS_RIXI
2147ab7c01fdSSerge Semin	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2148ab7c01fdSSerge Semin	select MIPS_SPRAM
2149ab7c01fdSSerge Semin
21507fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
21517fd08ca5SLeonid Yegoshin	bool
21527fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
21538256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2154ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
215587321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
21562db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
21574a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2158a7e07b1aSMarkos Chandras	select MIPS_SPRAM
21595e83d430SRalf Baechle
216057eeacedSPaul Burtonconfig TARGET_ISA_REV
216157eeacedSPaul Burton	int
216257eeacedSPaul Burton	default 1 if CPU_MIPSR1
216357eeacedSPaul Burton	default 2 if CPU_MIPSR2
2164ab7c01fdSSerge Semin	default 5 if CPU_MIPSR5
216557eeacedSPaul Burton	default 6 if CPU_MIPSR6
216657eeacedSPaul Burton	default 0
216757eeacedSPaul Burton	help
216857eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
216957eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
217057eeacedSPaul Burton
2171a6e18781SLeonid Yegoshinconfig EVA
2172a6e18781SLeonid Yegoshin	bool
2173a6e18781SLeonid Yegoshin
2174c5b36783SSteven J. Hillconfig XPA
2175c5b36783SSteven J. Hill	bool
2176c5b36783SSteven J. Hill
21775e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
21785e83d430SRalf Baechle	bool
21795e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
21805e83d430SRalf Baechle	bool
21815e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
21825e83d430SRalf Baechle	bool
21835e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
21845e83d430SRalf Baechle	bool
218555045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
218655045ff5SWu Zhangjin	bool
218755045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
218855045ff5SWu Zhangjin	bool
21899cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
21909cffd154SDavid Daney	bool
2191171543e7SDaniel Silsby	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
219282622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
219382622284SDavid Daney	bool
2194c6972fb9SHuang Pei	depends on 64BIT
2195c6972fb9SHuang Pei	default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
21965e83d430SRalf Baechle
21978192c9eaSDavid Daney#
21988192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
21998192c9eaSDavid Daney#
22008192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
22018192c9eaSDavid Daney	bool
2202679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
22038192c9eaSDavid Daney
22045e83d430SRalf Baechlemenu "Kernel type"
22055e83d430SRalf Baechle
22065e83d430SRalf Baechlechoice
22075e83d430SRalf Baechle	prompt "Kernel code model"
22085e83d430SRalf Baechle	help
22095e83d430SRalf Baechle	  You should only select this option if you have a workload that
22105e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
22115e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
22125e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
22135e83d430SRalf Baechle
22145e83d430SRalf Baechleconfig 32BIT
22155e83d430SRalf Baechle	bool "32-bit kernel"
22165e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
22175e83d430SRalf Baechle	select TRAD_SIGNALS
22185e83d430SRalf Baechle	help
22195e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2220f17c4ca3SRalf Baechle
22215e83d430SRalf Baechleconfig 64BIT
22225e83d430SRalf Baechle	bool "64-bit kernel"
22235e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
22245e83d430SRalf Baechle	help
22255e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
22265e83d430SRalf Baechle
22275e83d430SRalf Baechleendchoice
22285e83d430SRalf Baechle
22291e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
22301e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
22311e321fa9SLeonid Yegoshin	depends on 64BIT
22321e321fa9SLeonid Yegoshin	help
22333377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
22343377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
22353377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
22363377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
22373377e227SAlex Belits	  level of page tables is added which imposes both a memory
22383377e227SAlex Belits	  overhead as well as slower TLB fault handling.
22393377e227SAlex Belits
22401e321fa9SLeonid Yegoshin	  If unsure, say N.
22411e321fa9SLeonid Yegoshin
22421da177e4SLinus Torvaldschoice
22431da177e4SLinus Torvalds	prompt "Kernel page size"
22441da177e4SLinus Torvalds	default PAGE_SIZE_4KB
22451da177e4SLinus Torvalds
22461da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
22471da177e4SLinus Torvalds	bool "4kB"
2248268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
22491da177e4SLinus Torvalds	help
22501da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
22511da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
22521da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
22531da177e4SLinus Torvalds	  recommended for low memory systems.
22541da177e4SLinus Torvalds
22551da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
22561da177e4SLinus Torvalds	bool "8kB"
2257c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
22581e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
22591da177e4SLinus Torvalds	help
22601da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
22611da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2262c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2263c2aeaaeaSPaul Burton	  distribution to support this.
22641da177e4SLinus Torvalds
22651da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
22661da177e4SLinus Torvalds	bool "16kB"
2267714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
22681da177e4SLinus Torvalds	help
22691da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
22701da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2271714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2272714bfad6SRalf Baechle	  Linux distribution to support this.
22731da177e4SLinus Torvalds
2274c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2275c52399beSRalf Baechle	bool "32kB"
2276c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
22771e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2278c52399beSRalf Baechle	help
2279c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2280c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2281c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2282c52399beSRalf Baechle	  distribution to support this.
2283c52399beSRalf Baechle
22841da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22851da177e4SLinus Torvalds	bool "64kB"
22863b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22871da177e4SLinus Torvalds	help
22881da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22891da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22901da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2291714bfad6SRalf Baechle	  writing this option is still high experimental.
22921da177e4SLinus Torvalds
22931da177e4SLinus Torvaldsendchoice
22941da177e4SLinus Torvalds
2295c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2296c9bace7cSDavid Daney	int "Maximum zone order"
2297e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2298e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2299e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2300e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2301e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2302e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2303ef923a76SPaul Cercueil	range 0 64
2304c9bace7cSDavid Daney	default "11"
2305c9bace7cSDavid Daney	help
2306c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2307c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2308c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2309c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2310c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2311c9bace7cSDavid Daney	  increase this value.
2312c9bace7cSDavid Daney
2313c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2314c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2315c9bace7cSDavid Daney
2316c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2317c9bace7cSDavid Daney	  when choosing a value for this option.
2318c9bace7cSDavid Daney
23191da177e4SLinus Torvaldsconfig BOARD_SCACHE
23201da177e4SLinus Torvalds	bool
23211da177e4SLinus Torvalds
23221da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
23231da177e4SLinus Torvalds	bool
23241da177e4SLinus Torvalds	select BOARD_SCACHE
23251da177e4SLinus Torvalds
23269318c51aSChris Dearman#
23279318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
23289318c51aSChris Dearman#
23299318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
23309318c51aSChris Dearman	bool
23319318c51aSChris Dearman	select BOARD_SCACHE
23329318c51aSChris Dearman
23331da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
23341da177e4SLinus Torvalds	bool
23351da177e4SLinus Torvalds	select BOARD_SCACHE
23361da177e4SLinus Torvalds
23371da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
23381da177e4SLinus Torvalds	bool
23391da177e4SLinus Torvalds	select BOARD_SCACHE
23401da177e4SLinus Torvalds
23411da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
23421da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
23431da177e4SLinus Torvalds	depends on CPU_SB1
23441da177e4SLinus Torvalds	help
23451da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
23461da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
23471da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
23481da177e4SLinus Torvalds
23491da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2350c8094b53SRalf Baechle	bool
23511da177e4SLinus Torvalds
23523165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
23533165c846SFlorian Fainelli	bool
2354c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
23553165c846SFlorian Fainelli
2356c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2357183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2358183b40f9SPaul Burton	default y
2359183b40f9SPaul Burton	help
2360183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2361183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2362183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2363183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2364183b40f9SPaul Burton	  receive a SIGILL.
2365183b40f9SPaul Burton
2366183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2367183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2368183b40f9SPaul Burton
2369183b40f9SPaul Burton	  If unsure, say y.
2370c92e47e5SPaul Burton
237197f7dcbfSPaul Burtonconfig CPU_R2300_FPU
237297f7dcbfSPaul Burton	bool
2373c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
237497f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
237597f7dcbfSPaul Burton
237654746829SPaul Burtonconfig CPU_R3K_TLB
237754746829SPaul Burton	bool
237854746829SPaul Burton
237991405eb6SFlorian Fainelliconfig CPU_R4K_FPU
238091405eb6SFlorian Fainelli	bool
2381c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
238297f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
238391405eb6SFlorian Fainelli
238462cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
238562cedc4fSFlorian Fainelli	bool
238654746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
238762cedc4fSFlorian Fainelli
238859d6ab86SRalf Baechleconfig MIPS_MT_SMP
2389a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23905cbf9688SPaul Burton	default y
2391527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
239259d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2393d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2394c080faa5SSteven J. Hill	select SYNC_R4K
239559d6ab86SRalf Baechle	select MIPS_MT
239659d6ab86SRalf Baechle	select SMP
239787353d8aSRalf Baechle	select SMP_UP
2398c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2399c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2400399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
240159d6ab86SRalf Baechle	help
2402c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2403c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2404c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2405c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2406c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
240759d6ab86SRalf Baechle
2408f41ae0b2SRalf Baechleconfig MIPS_MT
2409f41ae0b2SRalf Baechle	bool
2410f41ae0b2SRalf Baechle
24110ab7aefcSRalf Baechleconfig SCHED_SMT
24120ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
24130ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
24140ab7aefcSRalf Baechle	default n
24150ab7aefcSRalf Baechle	help
24160ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
24170ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
24180ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
24190ab7aefcSRalf Baechle
24200ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
24210ab7aefcSRalf Baechle	bool
24220ab7aefcSRalf Baechle
2423f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2424f41ae0b2SRalf Baechle	bool
2425f41ae0b2SRalf Baechle
2426f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2427f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2428f088fc84SRalf Baechle	default y
2429b633648cSRalf Baechle	depends on MIPS_MT_SMP
243007cc0c9eSRalf Baechle
2431b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2432b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
24339eaa9a82SPaul Burton	depends on CPU_MIPSR6
2434c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2435b0a668fbSLeonid Yegoshin	default y
2436b0a668fbSLeonid Yegoshin	help
2437b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2438b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
243907edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2440b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2441b0a668fbSLeonid Yegoshin	  final kernel image.
2442b0a668fbSLeonid Yegoshin
2443f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2444f35764e7SJames Hogan	bool
2445f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2446f35764e7SJames Hogan	help
2447f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2448f35764e7SJames Hogan	  physical_memsize.
2449f35764e7SJames Hogan
245007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
245107cc0c9eSRalf Baechle	bool "VPE loader support."
2452f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
245307cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
245407cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
245507cc0c9eSRalf Baechle	select MIPS_MT
245607cc0c9eSRalf Baechle	help
245707cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
245807cc0c9eSRalf Baechle	  onto another VPE and running it.
2459f088fc84SRalf Baechle
246017a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
246117a1d523SDeng-Cheng Zhu	bool
246217a1d523SDeng-Cheng Zhu	default "y"
246317a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
246417a1d523SDeng-Cheng Zhu
24651a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
24661a2a6d7eSDeng-Cheng Zhu	bool
24671a2a6d7eSDeng-Cheng Zhu	default "y"
24681a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
24691a2a6d7eSDeng-Cheng Zhu
2470e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2471e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2472e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2473e01402b1SRalf Baechle	default y
2474e01402b1SRalf Baechle	help
2475e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2476e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2477e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2478e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2479e01402b1SRalf Baechle
2480e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2481e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2482e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2483e01402b1SRalf Baechle
2484da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2485da615cf6SDeng-Cheng Zhu	bool
2486da615cf6SDeng-Cheng Zhu	default "y"
2487da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2488da615cf6SDeng-Cheng Zhu
24892c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24902c973ef0SDeng-Cheng Zhu	bool
24912c973ef0SDeng-Cheng Zhu	default "y"
24922c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24932c973ef0SDeng-Cheng Zhu
24944a16ff4cSRalf Baechleconfig MIPS_CMP
24955cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24965676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2497b10b43baSMarkos Chandras	select SMP
2498eb9b5141STim Anderson	select SYNC_R4K
2499b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
25004a16ff4cSRalf Baechle	select WEAK_ORDERING
25014a16ff4cSRalf Baechle	default n
25024a16ff4cSRalf Baechle	help
2503044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2504044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2505044505c7SPaul Burton	  its ability to start secondary CPUs.
25064a16ff4cSRalf Baechle
25075cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
25085cac93b3SPaul Burton	  instead of this.
25095cac93b3SPaul Burton
25100ee958e1SPaul Burtonconfig MIPS_CPS
25110ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
25125a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
25130ee958e1SPaul Burton	select MIPS_CM
25141d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
25150ee958e1SPaul Burton	select SMP
25160ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
25171d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2518c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
25190ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
25200ee958e1SPaul Burton	select WEAK_ORDERING
2521d8d3276bSWei Li	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
25220ee958e1SPaul Burton	help
25230ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
25240ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
25250ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
25260ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
25270ee958e1SPaul Burton	  support is unavailable.
25280ee958e1SPaul Burton
25293179d37eSPaul Burtonconfig MIPS_CPS_PM
253039a59593SMarkos Chandras	depends on MIPS_CPS
25313179d37eSPaul Burton	bool
25323179d37eSPaul Burton
25339f98f3ddSPaul Burtonconfig MIPS_CM
25349f98f3ddSPaul Burton	bool
25353c9b4166SPaul Burton	select MIPS_CPC
25369f98f3ddSPaul Burton
25379c38cf44SPaul Burtonconfig MIPS_CPC
25389c38cf44SPaul Burton	bool
25392600990eSRalf Baechle
25401da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
25411da177e4SLinus Torvalds	bool
25421da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
25431da177e4SLinus Torvalds	default y
25441da177e4SLinus Torvalds
25451da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
25461da177e4SLinus Torvalds	bool
25471da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
25481da177e4SLinus Torvalds	default y
25491da177e4SLinus Torvalds
25509e2b5372SMarkos Chandraschoice
25519e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
25529e2b5372SMarkos Chandras
25539e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
25549e2b5372SMarkos Chandras	bool "None"
25559e2b5372SMarkos Chandras	help
25569e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
25579e2b5372SMarkos Chandras
25589693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
25599693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
25609e2b5372SMarkos Chandras	bool "SmartMIPS"
25619693a853SFranck Bui-Huu	help
25629693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
25639693a853SFranck Bui-Huu	  increased security at both hardware and software level for
25649693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
25659693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
25669693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
25679693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
25689693a853SFranck Bui-Huu	  here.
25699693a853SFranck Bui-Huu
2570bce86083SSteven J. Hillconfig CPU_MICROMIPS
25717fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
25729e2b5372SMarkos Chandras	bool "microMIPS"
2573bce86083SSteven J. Hill	help
2574bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2575bce86083SSteven J. Hill	  microMIPS ISA
2576bce86083SSteven J. Hill
25779e2b5372SMarkos Chandrasendchoice
25789e2b5372SMarkos Chandras
2579a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
25800ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2581a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2582c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
25832a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2584a5e9a69eSPaul Burton	help
2585a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2586a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
25871db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25881db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25891db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25901db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25911db1af84SPaul Burton	  the size & complexity of your kernel.
2592a5e9a69eSPaul Burton
2593a5e9a69eSPaul Burton	  If unsure, say Y.
2594a5e9a69eSPaul Burton
25951da177e4SLinus Torvaldsconfig CPU_HAS_WB
2596f7062ddbSRalf Baechle	bool
2597e01402b1SRalf Baechle
2598df0ac8a4SKevin Cernekeeconfig XKS01
2599df0ac8a4SKevin Cernekee	bool
2600df0ac8a4SKevin Cernekee
2601ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2602ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2603ba9196d2SJiaxun Yang	bool
2604ba9196d2SJiaxun Yang
2605ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2606ba9196d2SJiaxun Yang	bool
2607ba9196d2SJiaxun Yang
26088256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
26098256b17eSFlorian Fainelli	bool
26108256b17eSFlorian Fainelli
261118d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2612932afdeeSYasha Cherikovsky	bool
2613932afdeeSYasha Cherikovsky	help
261418d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2615932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
261618d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
261718d84e2eSAlexander Lobakin	  systems).
2618932afdeeSYasha Cherikovsky
2619f41ae0b2SRalf Baechle#
2620f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2621f41ae0b2SRalf Baechle#
2622e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2623f41ae0b2SRalf Baechle	bool
2624e01402b1SRalf Baechle
2625f41ae0b2SRalf Baechle#
2626f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2627f41ae0b2SRalf Baechle#
2628e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2629f41ae0b2SRalf Baechle	bool
2630e01402b1SRalf Baechle
26311da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
26321da177e4SLinus Torvalds	bool
26331da177e4SLinus Torvalds	depends on !CPU_R3000
26341da177e4SLinus Torvalds	default y
26351da177e4SLinus Torvalds
26361da177e4SLinus Torvalds#
263720d60d99SMaciej W. Rozycki# CPU non-features
263820d60d99SMaciej W. Rozycki#
263920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
264020d60d99SMaciej W. Rozycki	bool
264120d60d99SMaciej W. Rozycki
264220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
264320d60d99SMaciej W. Rozycki	bool
264420d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
264520d60d99SMaciej W. Rozycki
264620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
264720d60d99SMaciej W. Rozycki	bool
264820d60d99SMaciej W. Rozycki
2649071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2650071d2f0bSPaul Burton	bool
2651071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2652071d2f0bSPaul Burton
26534edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
26544edf00a4SPaul Burton	int
26554edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26564edf00a4SPaul Burton	default 0
26574edf00a4SPaul Burton
26584edf00a4SPaul Burtonconfig MIPS_ASID_BITS
26594edf00a4SPaul Burton	int
26602db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
26614edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26624edf00a4SPaul Burton	default 8
26634edf00a4SPaul Burton
26642db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
26652db003a5SPaul Burton	bool
26662db003a5SPaul Burton
26674a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
26684a5dc51eSMarcin Nowakowski	bool
26694a5dc51eSMarcin Nowakowski
2670802b8362SThomas Bogendoerfer# R4600 erratum.  Due to the lack of errata information the exact
2671802b8362SThomas Bogendoerfer# technical details aren't known.  I've experimentally found that disabling
2672802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal
2673802b8362SThomas Bogendoerfer# with the issue.
2674802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP
2675802b8362SThomas Bogendoerfer	bool
2676802b8362SThomas Bogendoerfer
26775e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
26785e5b6527SThomas Bogendoerfer#
26795e5b6527SThomas Bogendoerfer#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
26805e5b6527SThomas Bogendoerfer#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
26815e5b6527SThomas Bogendoerfer#      executed if there is no other dcache activity. If the dcache is
268218ff14c8SColin Ian King#      accessed for another instruction immediately preceding when these
26835e5b6527SThomas Bogendoerfer#      cache instructions are executing, it is possible that the dcache
26845e5b6527SThomas Bogendoerfer#      tag match outputs used by these cache instructions will be
26855e5b6527SThomas Bogendoerfer#      incorrect. These cache instructions should be preceded by at least
26865e5b6527SThomas Bogendoerfer#      four instructions that are not any kind of load or store
26875e5b6527SThomas Bogendoerfer#      instruction.
26885e5b6527SThomas Bogendoerfer#
26895e5b6527SThomas Bogendoerfer#      This is not allowed:    lw
26905e5b6527SThomas Bogendoerfer#                              nop
26915e5b6527SThomas Bogendoerfer#                              nop
26925e5b6527SThomas Bogendoerfer#                              nop
26935e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
26945e5b6527SThomas Bogendoerfer#
26955e5b6527SThomas Bogendoerfer#      This is allowed:        lw
26965e5b6527SThomas Bogendoerfer#                              nop
26975e5b6527SThomas Bogendoerfer#                              nop
26985e5b6527SThomas Bogendoerfer#                              nop
26995e5b6527SThomas Bogendoerfer#                              nop
27005e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
27015e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP
27025e5b6527SThomas Bogendoerfer	bool
27035e5b6527SThomas Bogendoerfer
270444def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA.
270544def342SThomas Bogendoerfer#
270644def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
270744def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
270844def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty.  These
270944def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss
271044def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer."
271144def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/
271244def342SThomas Bogendoerfer# in .pdf format.)
271344def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP
271444def342SThomas Bogendoerfer	bool
271544def342SThomas Bogendoerfer
271624a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
271724a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following
271824a1c023SThomas Bogendoerfer# operation is not guaranteed."
271924a1c023SThomas Bogendoerfer#
272024a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I
272124a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV
272224a1c023SThomas Bogendoerfer	bool
272324a1c023SThomas Bogendoerfer
2724886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2725886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same
2726886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious
2727886ee136SThomas Bogendoerfer# exceptions.
2728886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS
2729886ee136SThomas Bogendoerfer	bool
2730886ee136SThomas Bogendoerfer
2731256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2732256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically.
2733256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC
2734256ec489SThomas Bogendoerfer	bool
2735256ec489SThomas Bogendoerfer
2736a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction"
2737a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB
2738a7fbed98SThomas Bogendoerfer	bool
2739a7fbed98SThomas Bogendoerfer
274020d60d99SMaciej W. Rozycki#
27411da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
27421da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
27431da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
27441da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
27451da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
27461da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
27471da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
27481da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2749797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2750797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2751797798c1SRalf Baechle#   support.
27521da177e4SLinus Torvalds#
27531da177e4SLinus Torvaldsconfig HIGHMEM
27541da177e4SLinus Torvalds	bool "High Memory Support"
2755a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2756a4c33e83SThomas Gleixner	select KMAP_LOCAL
2757797798c1SRalf Baechle
2758797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2759797798c1SRalf Baechle	bool
2760797798c1SRalf Baechle
2761797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2762797798c1SRalf Baechle	bool
27631da177e4SLinus Torvalds
27649693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
27659693a853SFranck Bui-Huu	bool
27669693a853SFranck Bui-Huu
2767a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2768a6a4834cSSteven J. Hill	bool
2769a6a4834cSSteven J. Hill
2770377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2771377cb1b6SRalf Baechle	bool
2772377cb1b6SRalf Baechle	help
2773377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2774377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2775377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2776377cb1b6SRalf Baechle
2777a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2778a5e9a69eSPaul Burton	bool
2779a5e9a69eSPaul Burton
2780b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2781b4819b59SYoichi Yuasa	def_bool y
2782268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2783b4819b59SYoichi Yuasa
2784b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2785b1c6cd42SAtsushi Nemoto	bool
2786397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
278731473747SAtsushi Nemoto
2788d8cb4e11SRalf Baechleconfig NUMA
2789d8cb4e11SRalf Baechle	bool "NUMA Support"
2790d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2791cf8194e4STiezhu Yang	select SMP
2792d8cb4e11SRalf Baechle	help
2793d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2794d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2795d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2796172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2797d8cb4e11SRalf Baechle	  disabled.
2798d8cb4e11SRalf Baechle
2799d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2800d8cb4e11SRalf Baechle	bool
2801d8cb4e11SRalf Baechle
2802f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA
2803f3c560a6SThomas Bogendoerfer	def_bool y
2804f3c560a6SThomas Bogendoerfer	depends on NUMA
2805f3c560a6SThomas Bogendoerfer
2806f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK
2807f3c560a6SThomas Bogendoerfer	def_bool y
2808f3c560a6SThomas Bogendoerfer	depends on NUMA
2809f3c560a6SThomas Bogendoerfer
28108c530ea3SMatt Redfearnconfig RELOCATABLE
28118c530ea3SMatt Redfearn	bool "Relocatable kernel"
2812ab7c01fdSSerge Semin	depends on SYS_SUPPORTS_RELOCATABLE
2813ab7c01fdSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2814ab7c01fdSSerge Semin		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2815ab7c01fdSSerge Semin		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2816a307a4ceSJinyang He		   CPU_P5600 || CAVIUM_OCTEON_SOC || \
2817a307a4ceSJinyang He		   CPU_LOONGSON64
28188c530ea3SMatt Redfearn	help
28198c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
28208c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
28218c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
28228c530ea3SMatt Redfearn	  but are discarded at runtime
28238c530ea3SMatt Redfearn
2824069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2825069fd766SMatt Redfearn	hex "Relocation table size"
2826069fd766SMatt Redfearn	depends on RELOCATABLE
2827069fd766SMatt Redfearn	range 0x0 0x01000000
2828a307a4ceSJinyang He	default "0x00200000" if CPU_LOONGSON64
2829069fd766SMatt Redfearn	default "0x00100000"
2830a7f7f624SMasahiro Yamada	help
2831069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2832069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2833069fd766SMatt Redfearn
2834069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2835069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2836069fd766SMatt Redfearn
2837069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2838069fd766SMatt Redfearn
2839069fd766SMatt Redfearn	  If unsure, leave at the default value.
2840069fd766SMatt Redfearn
2841405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2842405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2843405bc8fdSMatt Redfearn	depends on RELOCATABLE
2844a7f7f624SMasahiro Yamada	help
2845405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2846405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2847405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2848405bc8fdSMatt Redfearn	  of kernel internals.
2849405bc8fdSMatt Redfearn
2850405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2851405bc8fdSMatt Redfearn
2852405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2853405bc8fdSMatt Redfearn
2854405bc8fdSMatt Redfearn	  If unsure, say N.
2855405bc8fdSMatt Redfearn
2856405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2857405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2858405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2859405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2860405bc8fdSMatt Redfearn	range 0x0 0x08000000
2861405bc8fdSMatt Redfearn	default "0x01000000"
2862a7f7f624SMasahiro Yamada	help
2863405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2864405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2865405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2866405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2867405bc8fdSMatt Redfearn
2868405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2869405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2870405bc8fdSMatt Redfearn
2871c80d79d7SYasunori Gotoconfig NODES_SHIFT
2872c80d79d7SYasunori Goto	int
2873c80d79d7SYasunori Goto	default "6"
2874c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2875c80d79d7SYasunori Goto
287614f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
287714f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
2878e2589589SViresh Kumar	depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
287914f70012SDeng-Cheng Zhu	default y
288014f70012SDeng-Cheng Zhu	help
288114f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
288214f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
288314f70012SDeng-Cheng Zhu
2884be8fa1cbSTiezhu Yangconfig DMI
2885be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2886be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2887be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2888be8fa1cbSTiezhu Yang	default y
2889be8fa1cbSTiezhu Yang	help
2890be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2891be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2892be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2893be8fa1cbSTiezhu Yang	  BIOS code.
2894be8fa1cbSTiezhu Yang
28951da177e4SLinus Torvaldsconfig SMP
28961da177e4SLinus Torvalds	bool "Multi-Processing support"
2897e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2898e73ea273SRalf Baechle	help
28991da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
29004a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
29014a474157SRobert Graffham	  than one CPU, say Y.
29021da177e4SLinus Torvalds
29034a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
29041da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
29051da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
29064a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
29071da177e4SLinus Torvalds	  will run faster if you say N here.
29081da177e4SLinus Torvalds
29091da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
29101da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
29111da177e4SLinus Torvalds
291203502faaSAdrian Bunk	  See also the SMP-HOWTO available at
2913ef054ad3SAlexander A. Klimov	  <https://www.tldp.org/docs.html#howto>.
29141da177e4SLinus Torvalds
29151da177e4SLinus Torvalds	  If you don't know what to do here, say N.
29161da177e4SLinus Torvalds
29177840d618SMatt Redfearnconfig HOTPLUG_CPU
29187840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
29197840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
29207840d618SMatt Redfearn	help
29217840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
29227840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
29237840d618SMatt Redfearn	  (Note: power management support will enable this option
29247840d618SMatt Redfearn	    automatically on SMP systems. )
29257840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
29267840d618SMatt Redfearn
292787353d8aSRalf Baechleconfig SMP_UP
292887353d8aSRalf Baechle	bool
292987353d8aSRalf Baechle
29304a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
29314a16ff4cSRalf Baechle	bool
29324a16ff4cSRalf Baechle
29330ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
29340ee958e1SPaul Burton	bool
29350ee958e1SPaul Burton
2936e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2937e73ea273SRalf Baechle	bool
2938e73ea273SRalf Baechle
2939130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2940130e2fb7SRalf Baechle	bool
2941130e2fb7SRalf Baechle
2942130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2943130e2fb7SRalf Baechle	bool
2944130e2fb7SRalf Baechle
2945130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2946130e2fb7SRalf Baechle	bool
2947130e2fb7SRalf Baechle
2948130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2949130e2fb7SRalf Baechle	bool
2950130e2fb7SRalf Baechle
2951130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2952130e2fb7SRalf Baechle	bool
2953130e2fb7SRalf Baechle
29541da177e4SLinus Torvaldsconfig NR_CPUS
2955a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2956a91796a9SJayachandran C	range 2 256
29571da177e4SLinus Torvalds	depends on SMP
2958130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2959130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2960130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2961130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2962130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
29631da177e4SLinus Torvalds	help
29641da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
29651da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
29661da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
296772ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
296872ede9b1SAtsushi Nemoto	  and 2 for all others.
29691da177e4SLinus Torvalds
29701da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
297172ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
297272ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
297372ede9b1SAtsushi Nemoto	  power of two.
29741da177e4SLinus Torvalds
2975399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2976399aaa25SAl Cooper	bool
2977399aaa25SAl Cooper
29787820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
29797820b84bSDavid Daney	bool
29807820b84bSDavid Daney
29817820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
29827820b84bSDavid Daney	int
29837820b84bSDavid Daney	depends on SMP
29847820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
29857820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
29867820b84bSDavid Daney
29871723b4a3SAtsushi Nemoto#
29881723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
29891723b4a3SAtsushi Nemoto#
29901723b4a3SAtsushi Nemoto
29911723b4a3SAtsushi Nemotochoice
29921723b4a3SAtsushi Nemoto	prompt "Timer frequency"
29931723b4a3SAtsushi Nemoto	default HZ_250
29941723b4a3SAtsushi Nemoto	help
29951723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
29961723b4a3SAtsushi Nemoto
299767596573SPaul Burton	config HZ_24
299867596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
299967596573SPaul Burton
30001723b4a3SAtsushi Nemoto	config HZ_48
30010f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
30021723b4a3SAtsushi Nemoto
30031723b4a3SAtsushi Nemoto	config HZ_100
30041723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
30051723b4a3SAtsushi Nemoto
30061723b4a3SAtsushi Nemoto	config HZ_128
30071723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
30081723b4a3SAtsushi Nemoto
30091723b4a3SAtsushi Nemoto	config HZ_250
30101723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
30111723b4a3SAtsushi Nemoto
30121723b4a3SAtsushi Nemoto	config HZ_256
30131723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
30141723b4a3SAtsushi Nemoto
30151723b4a3SAtsushi Nemoto	config HZ_1000
30161723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
30171723b4a3SAtsushi Nemoto
30181723b4a3SAtsushi Nemoto	config HZ_1024
30191723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
30201723b4a3SAtsushi Nemoto
30211723b4a3SAtsushi Nemotoendchoice
30221723b4a3SAtsushi Nemoto
302367596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
302467596573SPaul Burton	bool
302567596573SPaul Burton
30261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
30271723b4a3SAtsushi Nemoto	bool
30281723b4a3SAtsushi Nemoto
30291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
30301723b4a3SAtsushi Nemoto	bool
30311723b4a3SAtsushi Nemoto
30321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
30331723b4a3SAtsushi Nemoto	bool
30341723b4a3SAtsushi Nemoto
30351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
30361723b4a3SAtsushi Nemoto	bool
30371723b4a3SAtsushi Nemoto
30381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
30391723b4a3SAtsushi Nemoto	bool
30401723b4a3SAtsushi Nemoto
30411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
30421723b4a3SAtsushi Nemoto	bool
30431723b4a3SAtsushi Nemoto
30441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
30451723b4a3SAtsushi Nemoto	bool
30461723b4a3SAtsushi Nemoto
30471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
30481723b4a3SAtsushi Nemoto	bool
304967596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
305067596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
305167596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
305267596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
305367596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
305467596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
305567596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
30561723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
30571723b4a3SAtsushi Nemoto
30581723b4a3SAtsushi Nemotoconfig HZ
30591723b4a3SAtsushi Nemoto	int
306067596573SPaul Burton	default 24 if HZ_24
30611723b4a3SAtsushi Nemoto	default 48 if HZ_48
30621723b4a3SAtsushi Nemoto	default 100 if HZ_100
30631723b4a3SAtsushi Nemoto	default 128 if HZ_128
30641723b4a3SAtsushi Nemoto	default 250 if HZ_250
30651723b4a3SAtsushi Nemoto	default 256 if HZ_256
30661723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
30671723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
30681723b4a3SAtsushi Nemoto
306996685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
307096685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
307196685b17SDeng-Cheng Zhu
3072ea6e942bSAtsushi Nemotoconfig KEXEC
30737d60717eSKees Cook	bool "Kexec system call"
30742965faa5SDave Young	select KEXEC_CORE
3075ea6e942bSAtsushi Nemoto	help
3076ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
3077ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
30783dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
3079ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
3080ea6e942bSAtsushi Nemoto
308101dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
3082ea6e942bSAtsushi Nemoto
3083ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
3084ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
3085bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
3086bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
3087bf220695SGeert Uytterhoeven	  made.
3088ea6e942bSAtsushi Nemoto
30897aa1c8f4SRalf Baechleconfig CRASH_DUMP
30907aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
30917aa1c8f4SRalf Baechle	help
30927aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
30937aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
30947aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
30957aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
30967aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
30977aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
30987aa1c8f4SRalf Baechle	  PHYSICAL_START.
30997aa1c8f4SRalf Baechle
31007aa1c8f4SRalf Baechleconfig PHYSICAL_START
31017aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
31028bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
31037aa1c8f4SRalf Baechle	depends on CRASH_DUMP
31047aa1c8f4SRalf Baechle	help
31057aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
31067aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
31077aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
31087aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
31097aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
31107aa1c8f4SRalf Baechle
3111597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
3112b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
3113597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
3114597ce172SPaul Burton	help
3115597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
3116597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
3117597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
3118597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
3119597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
3120597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
3121597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
3122597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
3123597ce172SPaul Burton	  saying N here.
3124597ce172SPaul Burton
312506e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
312606e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
312718ff14c8SColin Ian King	  worked on. In order to avoid userland becoming dependent upon current
312806e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
312906e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
313006e2e882SPaul Burton	  said details.
313106e2e882SPaul Burton
313206e2e882SPaul Burton	  If unsure, say N.
3133597ce172SPaul Burton
3134f2ffa5abSDezhong Diaoconfig USE_OF
31350b3e06fdSJonas Gorski	bool
3136f2ffa5abSDezhong Diao	select OF
3137e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3138abd2363fSGrant Likely	select IRQ_DOMAIN
3139f2ffa5abSDezhong Diao
31402fe8ea39SDengcheng Zhuconfig UHI_BOOT
31412fe8ea39SDengcheng Zhu	bool
31422fe8ea39SDengcheng Zhu
31437fafb068SAndrew Brestickerconfig BUILTIN_DTB
31447fafb068SAndrew Bresticker	bool
31457fafb068SAndrew Bresticker
31461da8f179SJonas Gorskichoice
31475b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
31481da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
31491da8f179SJonas Gorski
31501da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
31511da8f179SJonas Gorski		bool "None"
31521da8f179SJonas Gorski		help
31531da8f179SJonas Gorski		  Do not enable appended dtb support.
31541da8f179SJonas Gorski
315587db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
315687db537dSAaro Koskinen		bool "vmlinux"
315787db537dSAaro Koskinen		help
315887db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
315987db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
316087db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
316187db537dSAaro Koskinen		  objcopy:
316287db537dSAaro Koskinen
316387db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
316487db537dSAaro Koskinen
316518ff14c8SColin Ian King		  This is meant as a backward compatibility convenience for those
316687db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
316787db537dSAaro Koskinen		  the documented boot protocol using a device tree.
316887db537dSAaro Koskinen
31691da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3170b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
31711da8f179SJonas Gorski		help
31721da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3173b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
31741da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
31751da8f179SJonas Gorski
31761da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
31771da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
31781da8f179SJonas Gorski		  the documented boot protocol using a device tree.
31791da8f179SJonas Gorski
31801da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
31811da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
31821da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
31831da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
31841da8f179SJonas Gorski		  if you don't intend to always append a DTB.
31851da8f179SJonas Gorskiendchoice
31861da8f179SJonas Gorski
31872024972eSJonas Gorskichoice
31882024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
31892bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
319087fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
31912bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
31922024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
31932024972eSJonas Gorski
31942024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
31952024972eSJonas Gorski		depends on USE_OF
31962024972eSJonas Gorski		bool "Dtb kernel arguments if available"
31972024972eSJonas Gorski
31982024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
31992024972eSJonas Gorski		depends on USE_OF
32002024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
32012024972eSJonas Gorski
32022024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
32032024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3204ed47e153SRabin Vincent
3205ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3206ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3207ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
32082024972eSJonas Gorskiendchoice
32092024972eSJonas Gorski
32105e83d430SRalf Baechleendmenu
32115e83d430SRalf Baechle
32121df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
32131df0f0ffSAtsushi Nemoto	bool
32141df0f0ffSAtsushi Nemoto	default y
32151df0f0ffSAtsushi Nemoto
32161df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
32171df0f0ffSAtsushi Nemoto	bool
32181df0f0ffSAtsushi Nemoto	default y
32191df0f0ffSAtsushi Nemoto
3220a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3221a728ab52SKirill A. Shutemov	int
32223377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3223a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3224a728ab52SKirill A. Shutemov	default 2
3225a728ab52SKirill A. Shutemov
32266c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
32276c359eb1SPaul Burton	bool
32286c359eb1SPaul Burton
32291da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
32301da177e4SLinus Torvalds
3231c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
32322eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3233c5611df9SPaul Burton	bool
3234c5611df9SPaul Burton
3235c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3236c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3237c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
32382eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
32391da177e4SLinus Torvalds
32401da177e4SLinus Torvalds#
32411da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
32421da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
32431da177e4SLinus Torvalds# users to choose the right thing ...
32441da177e4SLinus Torvalds#
32451da177e4SLinus Torvaldsconfig ISA
32461da177e4SLinus Torvalds	bool
32471da177e4SLinus Torvalds
32481da177e4SLinus Torvaldsconfig TC
32491da177e4SLinus Torvalds	bool "TURBOchannel support"
32501da177e4SLinus Torvalds	depends on MACH_DECSTATION
32511da177e4SLinus Torvalds	help
325250a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
325350a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
325450a23e6eSJustin P. Mattock	  at:
325550a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
325650a23e6eSJustin P. Mattock	  and:
325750a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
325850a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
325950a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
32601da177e4SLinus Torvalds
32611da177e4SLinus Torvaldsconfig MMU
32621da177e4SLinus Torvalds	bool
32631da177e4SLinus Torvalds	default y
32641da177e4SLinus Torvalds
3265109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3266109c32ffSMatt Redfearn	default 12 if 64BIT
3267109c32ffSMatt Redfearn	default 8
3268109c32ffSMatt Redfearn
3269109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3270109c32ffSMatt Redfearn	default 18 if 64BIT
3271109c32ffSMatt Redfearn	default 15
3272109c32ffSMatt Redfearn
3273109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3274109c32ffSMatt Redfearn	default 8
3275109c32ffSMatt Redfearn
3276109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3277109c32ffSMatt Redfearn	default 15
3278109c32ffSMatt Redfearn
3279d865bea4SRalf Baechleconfig I8253
3280d865bea4SRalf Baechle	bool
3281798778b8SRussell King	select CLKSRC_I8253
32822d02612fSThomas Gleixner	select CLKEVT_I8253
32839726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3284d865bea4SRalf Baechle
3285e05eb3f8SRalf Baechleconfig ZONE_DMA
3286e05eb3f8SRalf Baechle	bool
3287e05eb3f8SRalf Baechle
3288cce335aeSRalf Baechleconfig ZONE_DMA32
3289cce335aeSRalf Baechle	bool
3290cce335aeSRalf Baechle
32911da177e4SLinus Torvaldsendmenu
32921da177e4SLinus Torvalds
32931da177e4SLinus Torvaldsconfig TRAD_SIGNALS
32941da177e4SLinus Torvalds	bool
32951da177e4SLinus Torvalds
32961da177e4SLinus Torvaldsconfig MIPS32_COMPAT
329778aaf956SRalf Baechle	bool
32981da177e4SLinus Torvalds
32991da177e4SLinus Torvaldsconfig COMPAT
33001da177e4SLinus Torvalds	bool
33011da177e4SLinus Torvalds
330205e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
330305e43966SAtsushi Nemoto	bool
330405e43966SAtsushi Nemoto
33051da177e4SLinus Torvaldsconfig MIPS32_O32
33061da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
330778aaf956SRalf Baechle	depends on 64BIT
330878aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
330978aaf956SRalf Baechle	select COMPAT
331078aaf956SRalf Baechle	select MIPS32_COMPAT
331178aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
33121da177e4SLinus Torvalds	help
33131da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
33141da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
33151da177e4SLinus Torvalds	  existing binaries are in this format.
33161da177e4SLinus Torvalds
33171da177e4SLinus Torvalds	  If unsure, say Y.
33181da177e4SLinus Torvalds
33191da177e4SLinus Torvaldsconfig MIPS32_N32
33201da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3321c22eacfeSRalf Baechle	depends on 64BIT
33225a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
332378aaf956SRalf Baechle	select COMPAT
332478aaf956SRalf Baechle	select MIPS32_COMPAT
332578aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
33261da177e4SLinus Torvalds	help
33271da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
33281da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
33291da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
33301da177e4SLinus Torvalds	  cases.
33311da177e4SLinus Torvalds
33321da177e4SLinus Torvalds	  If unsure, say N.
33331da177e4SLinus Torvalds
33342116245eSRalf Baechlemenu "Power management options"
3335952fa954SRodolfo Giometti
3336363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3337363c55caSWu Zhangjin	def_bool y
33383f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3339363c55caSWu Zhangjin
3340f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3341f4cb5700SJohannes Berg	def_bool y
33423f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3343f4cb5700SJohannes Berg
33442116245eSRalf Baechlesource "kernel/power/Kconfig"
3345952fa954SRodolfo Giometti
33461da177e4SLinus Torvaldsendmenu
33471da177e4SLinus Torvalds
33487a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
33497a998935SViresh Kumar	bool
33507a998935SViresh Kumar
33517a998935SViresh Kumarmenu "CPU Power Management"
3352c095ebafSPaul Burton
3353c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
33547a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
33557a998935SViresh Kumarendif
33569726b43aSWu Zhangjin
3357c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3358c095ebafSPaul Burton
3359c095ebafSPaul Burtonendmenu
3360c095ebafSPaul Burton
336198cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
336298cdee0eSRalf Baechle
33632235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3364e91946d6SNathan Chancellor
3365e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig"
3366