xref: /linux/arch/mips/Kconfig (revision 6423e59a64e7b490499d9d1fb1c2323eea5f134c)
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
734c01e41SAlexander Lobakin	select ARCH_HAS_FORTIFY_SOURCE
834c01e41SAlexander Lobakin	select ARCH_HAS_KCOV
934c01e41SAlexander Lobakin	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
1012597988SMatt Redfearn	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
111e35918aSHassan Naveed	select ARCH_HAS_UBSAN_SANITIZE_ALL
1212597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
131ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
1412597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
1525da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
160b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
179035bd29SAlexandre Ghiti	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
1812597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
1910916706SShile Zhang	select BUILDTIME_TABLE_SORT
2012597988SMatt Redfearn	select CLONE_BACKWARDS
2157eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
2212597988SMatt Redfearn	select CPU_PM if CPU_IDLE
2312597988SMatt Redfearn	select GENERIC_ATOMIC64 if !64BIT
2412597988SMatt Redfearn	select GENERIC_CLOCKEVENTS
2512597988SMatt Redfearn	select GENERIC_CMOS_UPDATE
2612597988SMatt Redfearn	select GENERIC_CPU_AUTOPROBE
2724640f23SVincenzo Frascino	select GENERIC_GETTIMEOFDAY
28b962aeb0SPaul Burton	select GENERIC_IOMAP
2912597988SMatt Redfearn	select GENERIC_IRQ_PROBE
3012597988SMatt Redfearn	select GENERIC_IRQ_SHOW
316630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
32740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
33740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
34740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
35740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
36740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
3712597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
3812597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
3912597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
40446f062bSChristoph Hellwig	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
4112597988SMatt Redfearn	select HANDLE_DOMAIN_IRQ
42906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
4312597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
4488547001SJason Wessel	select HAVE_ARCH_KGDB
45109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
46109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
47490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
48c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
4945e03e62SDaniel Silsby	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
502ff2b7ecSMasahiro Yamada	select HAVE_ASM_MODVERSIONS
5136366e36SPaul Burton	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
5212597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
53490f561bSFrederic Weisbecker	select HAVE_TIF_NOHZ
5412597988SMatt Redfearn	select HAVE_COPY_THREAD_TLS
5564575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
5612597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
5712597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
5812597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
5912597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
6034c01e41SAlexander Lobakin	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
6112597988SMatt Redfearn	select HAVE_EXIT_THREAD
6267a929e0SChristoph Hellwig	select HAVE_FAST_GUP
6312597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
6429c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
6512597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
6634c01e41SAlexander Lobakin	select HAVE_GCC_PLUGINS
6734c01e41SAlexander Lobakin	select HAVE_GENERIC_VDSO
6812597988SMatt Redfearn	select HAVE_IDE
69b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
7012597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
7112597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
72c1bf207dSDavid Daney	select HAVE_KPROBES
73c1bf207dSDavid Daney	select HAVE_KRETPROBES
74c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
759d15ffc8STejun Heo	select HAVE_MEMBLOCK_NODE_MAP
76786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
7742a0bb3fSPetr Mladek	select HAVE_NMI
7812597988SMatt Redfearn	select HAVE_OPROFILE
7912597988SMatt Redfearn	select HAVE_PERF_EVENTS
8008bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
819ea141adSPaul Burton	select HAVE_RSEQ
8216c0f03fSHassan Naveed	select HAVE_SPARSE_SYSCALL_NR
83d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
8412597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
85a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
8612597988SMatt Redfearn	select IRQ_FORCED_THREADING
876630a8e5SChristoph Hellwig	select ISA if EISA
8812597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
8934c01e41SAlexander Lobakin	select MODULES_USE_ELF_RELA if MODULES && 64BIT
9012597988SMatt Redfearn	select PERF_USE_VMALLOC
9105a0a344SArnd Bergmann	select RTC_LIB
9212597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
9312597988SMatt Redfearn	select VIRT_TO_BUS
941da177e4SLinus Torvalds
95d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR
96d3991572SChristoph Hellwig	bool
97d3991572SChristoph Hellwig
981da177e4SLinus Torvaldsmenu "Machine selection"
991da177e4SLinus Torvalds
1005e83d430SRalf Baechlechoice
1015e83d430SRalf Baechle	prompt "System type"
102d41e6858SMatt Redfearn	default MIPS_GENERIC
1031da177e4SLinus Torvalds
104eed0eabdSPaul Burtonconfig MIPS_GENERIC
105eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
106eed0eabdSPaul Burton	select BOOT_RAW
107eed0eabdSPaul Burton	select BUILTIN_DTB
108eed0eabdSPaul Burton	select CEVT_R4K
109eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
110eed0eabdSPaul Burton	select COMMON_CLK
111eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
11234c01e41SAlexander Lobakin	select CPU_MIPSR2_IRQ_VI
113eed0eabdSPaul Burton	select CSRC_R4K
114eed0eabdSPaul Burton	select DMA_PERDEV_COHERENT
115eb01d42aSChristoph Hellwig	select HAVE_PCI
116eed0eabdSPaul Burton	select IRQ_MIPS_CPU
1170211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
118eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
119eed0eabdSPaul Burton	select MIPS_GIC
120eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
121eed0eabdSPaul Burton	select NO_EXCEPT_FILL
122eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
123eed0eabdSPaul Burton	select SMP_UP if SMP
124a3078e59SMatt Redfearn	select SWAP_IO_SPACE
125eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
126eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
127eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
128eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
129eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
130eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
131eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
132eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
133eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
134eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
135eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
136eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
137eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
13834c01e41SAlexander Lobakin	select SYS_SUPPORTS_MIPS_CPS
139eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
140eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
141eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
14234c01e41SAlexander Lobakin	select UHI_BOOT
1432e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1442e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1452e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1462e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1472e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1482e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
149eed0eabdSPaul Burton	select USE_OF
150eed0eabdSPaul Burton	help
151eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
152eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
153eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
154eed0eabdSPaul Burton	  Interface) specification.
155eed0eabdSPaul Burton
15642a4f17dSManuel Laussconfig MIPS_ALCHEMY
157c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
158d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
159f772cdb2SRalf Baechle	select CEVT_R4K
160d7ea335cSSteven J. Hill	select CSRC_R4K
16167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
16288e9a93cSManuel Lauss	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
163d3991572SChristoph Hellwig	select MIPS_FIXUP_BIGPHYS_ADDR if PCI
16442a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
16542a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
16642a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
167d30a2b47SLinus Walleij	select GPIOLIB
1681b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
16947440229SManuel Lauss	select COMMON_CLK
1701da177e4SLinus Torvalds
1717ca5dc14SFlorian Fainelliconfig AR7
1727ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
1737ca5dc14SFlorian Fainelli	select BOOT_ELF32
1747ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
1757ca5dc14SFlorian Fainelli	select CEVT_R4K
1767ca5dc14SFlorian Fainelli	select CSRC_R4K
17767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1787ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
1797ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
1807ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
1817ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
1827ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
1837ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
184377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1851b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
186d30a2b47SLinus Walleij	select GPIOLIB
1877ca5dc14SFlorian Fainelli	select VLYNQ
1888551fb64SYoichi Yuasa	select HAVE_CLK
1897ca5dc14SFlorian Fainelli	help
1907ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
1917ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
1927ca5dc14SFlorian Fainelli
19343cc739fSSergey Ryazanovconfig ATH25
19443cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
19543cc739fSSergey Ryazanov	select CEVT_R4K
19643cc739fSSergey Ryazanov	select CSRC_R4K
19743cc739fSSergey Ryazanov	select DMA_NONCOHERENT
19867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1991753e74eSSergey Ryazanov	select IRQ_DOMAIN
20043cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
20143cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
20243cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
2038aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
20443cc739fSSergey Ryazanov	help
20543cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
20643cc739fSSergey Ryazanov
207d4a67d9dSGabor Juhosconfig ATH79
208d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
209ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
210d4a67d9dSGabor Juhos	select BOOT_RAW
211d4a67d9dSGabor Juhos	select CEVT_R4K
212d4a67d9dSGabor Juhos	select CSRC_R4K
213d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
214d30a2b47SLinus Walleij	select GPIOLIB
215a08227a2SJohn Crispin	select PINCTRL
21694638067SGabor Juhos	select HAVE_CLK
217411520afSAlban Bedel	select COMMON_CLK
2182c4f1ac5SGabor Juhos	select CLKDEV_LOOKUP
21967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
220d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
221d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
222d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
223d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
224377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
225b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
22603c8c407SAlban Bedel	select USE_OF
22753d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
228d4a67d9dSGabor Juhos	help
229d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
230d4a67d9dSGabor Juhos
2315f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2325f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
233d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
234d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
235d666cd02SKevin Cernekee	select BOOT_RAW
236d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
237d666cd02SKevin Cernekee	select USE_OF
238d666cd02SKevin Cernekee	select CEVT_R4K
239d666cd02SKevin Cernekee	select CSRC_R4K
240d666cd02SKevin Cernekee	select SYNC_R4K
241d666cd02SKevin Cernekee	select COMMON_CLK
242c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
24360b858f2SKevin Cernekee	select BCM7038_L1_IRQ
24460b858f2SKevin Cernekee	select BCM7120_L2_IRQ
24560b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
24667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
24760b858f2SKevin Cernekee	select DMA_NONCOHERENT
248d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
24960b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
250d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
251d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
25260b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
25360b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
25460b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
255d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
256d666cd02SKevin Cernekee	select SWAP_IO_SPACE
25760b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
25860b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
25960b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
26060b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2614dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
262d666cd02SKevin Cernekee	help
2635f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2645f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2655f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2665f2d4459SKevin Cernekee	  must be set appropriately for your board.
267d666cd02SKevin Cernekee
2681c0c13ebSAurelien Jarnoconfig BCM47XX
269c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
270fe08f8c2SHauke Mehrtens	select BOOT_RAW
27142f77542SRalf Baechle	select CEVT_R4K
272940f6b48SRalf Baechle	select CSRC_R4K
2731c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
274eb01d42aSChristoph Hellwig	select HAVE_PCI
27567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
276314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
277dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
2781c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
2791c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
280377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2816507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
28225e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
283e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
284c949c0bcSRafał Miłecki	select GPIOLIB
285c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
286f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
2872ab71a02SRafał Miłecki	select BCM47XX_SPROM
288dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
2891c0c13ebSAurelien Jarno	help
2901c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
2911c0c13ebSAurelien Jarno
292e7300d04SMaxime Bizonconfig BCM63XX
293e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
294ae8de61cSFlorian Fainelli	select BOOT_RAW
295e7300d04SMaxime Bizon	select CEVT_R4K
296e7300d04SMaxime Bizon	select CSRC_R4K
297fc264022SJonas Gorski	select SYNC_R4K
298e7300d04SMaxime Bizon	select DMA_NONCOHERENT
29967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
300e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
301e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
302e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
303e7300d04SMaxime Bizon	select SWAP_IO_SPACE
304d30a2b47SLinus Walleij	select GPIOLIB
3053e82eeebSYoichi Yuasa	select HAVE_CLK
306af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
307c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
308e7300d04SMaxime Bizon	help
309e7300d04SMaxime Bizon	  Support for BCM63XX based boards
310e7300d04SMaxime Bizon
3111da177e4SLinus Torvaldsconfig MIPS_COBALT
3123fa986faSMartin Michlmayr	bool "Cobalt Server"
31342f77542SRalf Baechle	select CEVT_R4K
314940f6b48SRalf Baechle	select CSRC_R4K
3151097c6acSYoichi Yuasa	select CEVT_GT641XX
3161da177e4SLinus Torvalds	select DMA_NONCOHERENT
317eb01d42aSChristoph Hellwig	select FORCE_PCI
318d865bea4SRalf Baechle	select I8253
3191da177e4SLinus Torvalds	select I8259
32067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
321d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
322252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3237cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3240a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
325ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3260e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3275e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
328e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3291da177e4SLinus Torvalds
3301da177e4SLinus Torvaldsconfig MACH_DECSTATION
3313fa986faSMartin Michlmayr	bool "DECstations"
3321da177e4SLinus Torvalds	select BOOT_ELF32
3336457d9fcSYoichi Yuasa	select CEVT_DS1287
33481d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3354247417dSYoichi Yuasa	select CSRC_IOASIC
33681d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
33720d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
33820d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
33920d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3401da177e4SLinus Torvalds	select DMA_NONCOHERENT
341ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
34267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3437cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3447cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
345ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3467d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3475e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3481723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3491723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3501723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
351930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3525e83d430SRalf Baechle	help
3531da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3541da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3551da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3561da177e4SLinus Torvalds
3571da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3581da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3591da177e4SLinus Torvalds
3601da177e4SLinus Torvalds		DECstation 5000/50
3611da177e4SLinus Torvalds		DECstation 5000/150
3621da177e4SLinus Torvalds		DECstation 5000/260
3631da177e4SLinus Torvalds		DECsystem 5900/260
3641da177e4SLinus Torvalds
3651da177e4SLinus Torvalds	  otherwise choose R3000.
3661da177e4SLinus Torvalds
3675e83d430SRalf Baechleconfig MACH_JAZZ
3683fa986faSMartin Michlmayr	bool "Jazz family of machines"
36939b2d756SThomas Bogendoerfer	select ARC_MEMORY
37039b2d756SThomas Bogendoerfer	select ARC_PROMLIB
371a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
3727a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
3730e2794b0SRalf Baechle	select FW_ARC
3740e2794b0SRalf Baechle	select FW_ARC32
3755e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
37642f77542SRalf Baechle	select CEVT_R4K
377940f6b48SRalf Baechle	select CSRC_R4K
378e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
3795e83d430SRalf Baechle	select GENERIC_ISA_DMA
3808a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
38167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
382d865bea4SRalf Baechle	select I8253
3835e83d430SRalf Baechle	select I8259
3845e83d430SRalf Baechle	select ISA
3857cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3865e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3877d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3881723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
3891da177e4SLinus Torvalds	help
3905e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
3915e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
392692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
3935e83d430SRalf Baechle	  Olivetti M700-10 workstations.
3945e83d430SRalf Baechle
395de361e8bSPaul Burtonconfig MACH_INGENIC
396de361e8bSPaul Burton	bool "Ingenic SoC based machines"
3975ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
3985ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
399f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
400b35d2653SDaniel Silsby	select CPU_SUPPORTS_HUGEPAGES
4015ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
40267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
40337b4c3caSPaul Cercueil	select PINCTRL
404d30a2b47SLinus Walleij	select GPIOLIB
405ff1930c6SPaul Burton	select COMMON_CLK
40683bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
40715205fc0SPaul Cercueil	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
408ffb1843dSPaul Burton	select USE_OF
4095ebabe59SLars-Peter Clausen
410171bb2f1SJohn Crispinconfig LANTIQ
411171bb2f1SJohn Crispin	bool "Lantiq based platforms"
412171bb2f1SJohn Crispin	select DMA_NONCOHERENT
41367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
414171bb2f1SJohn Crispin	select CEVT_R4K
415171bb2f1SJohn Crispin	select CSRC_R4K
416171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
417171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
418171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
419171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
420377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
421171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
422f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
423171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
424d30a2b47SLinus Walleij	select GPIOLIB
425171bb2f1SJohn Crispin	select SWAP_IO_SPACE
426171bb2f1SJohn Crispin	select BOOT_RAW
427287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
428a0392222SJohn Crispin	select USE_OF
4293f8c50c9SJohn Crispin	select PINCTRL
4303f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
431c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
432c530781cSJohn Crispin	select RESET_CONTROLLER
433171bb2f1SJohn Crispin
43430ad29bbSHuacai Chenconfig MACH_LOONGSON32
435caed1d1bSHuacai Chen	bool "Loongson 32-bit family of machines"
436c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
437ade299d8SYoichi Yuasa	help
43830ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
43985749d24SWu Zhangjin
44030ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
44130ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
44230ad29bbSHuacai Chen	  Sciences (CAS).
443ade299d8SYoichi Yuasa
44471e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
44571e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
446ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
447ca585cf9SKelvin Cheung	help
44871e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
449ca585cf9SKelvin Cheung
45071e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
451caed1d1bSHuacai Chen	bool "Loongson 64-bit family of machines"
4526fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
4536fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
4546fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
4556fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
4566fbde6b4SJiaxun Yang	select BOOT_ELF32
4576fbde6b4SJiaxun Yang	select BOARD_SCACHE
4586fbde6b4SJiaxun Yang	select CSRC_R4K
4596fbde6b4SJiaxun Yang	select CEVT_R4K
4606fbde6b4SJiaxun Yang	select CPU_HAS_WB
4616fbde6b4SJiaxun Yang	select FORCE_PCI
4626fbde6b4SJiaxun Yang	select ISA
4636fbde6b4SJiaxun Yang	select I8259
4646fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
4655125bfeeSTiezhu Yang	select NR_CPUS_DEFAULT_64
4666fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
467*6423e59aSJiaxun Yang	select PCI_DRIVERS_GENERIC
4686fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
4696fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
4706fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
4716fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
4726fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
4736fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
4746fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
4756fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
47671e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
4776fbde6b4SJiaxun Yang	select ZONE_DMA32
4786fbde6b4SJiaxun Yang	select NUMA
47987fcfa7bSJiaxun Yang	select COMMON_CLK
48087fcfa7bSJiaxun Yang	select USE_OF
48187fcfa7bSJiaxun Yang	select BUILTIN_DTB
48271e2f4ddSJiaxun Yang	help
483caed1d1bSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
484caed1d1bSHuacai Chen
485caed1d1bSHuacai Chen	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
486caed1d1bSHuacai Chen	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
487caed1d1bSHuacai Chen	  and Loongson-2F which will be removed), developed by the Institute
488caed1d1bSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
489ca585cf9SKelvin Cheung
4906a438309SAndrew Brestickerconfig MACH_PISTACHIO
4916a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
4926a438309SAndrew Bresticker	select BOOT_ELF32
4936a438309SAndrew Bresticker	select BOOT_RAW
4946a438309SAndrew Bresticker	select CEVT_R4K
4956a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
4966a438309SAndrew Bresticker	select COMMON_CLK
4976a438309SAndrew Bresticker	select CSRC_R4K
498645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
499d30a2b47SLinus Walleij	select GPIOLIB
50067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5016a438309SAndrew Bresticker	select MFD_SYSCON
5026a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
5036a438309SAndrew Bresticker	select MIPS_GIC
5046a438309SAndrew Bresticker	select PINCTRL
5056a438309SAndrew Bresticker	select REGULATOR
5066a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
5076a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
5086a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
5096a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
5106a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
51141cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
5126a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
513018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
514018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
5156a438309SAndrew Bresticker	select USE_OF
5166a438309SAndrew Bresticker	help
5176a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
5186a438309SAndrew Bresticker
5191da177e4SLinus Torvaldsconfig MIPS_MALTA
5203fa986faSMartin Michlmayr	bool "MIPS Malta board"
52161ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
522a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5237a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5241da177e4SLinus Torvalds	select BOOT_ELF32
525fa71c960SRalf Baechle	select BOOT_RAW
526e8823d26SPaul Burton	select BUILTIN_DTB
52742f77542SRalf Baechle	select CEVT_R4K
528fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
52942b002abSGuenter Roeck	select COMMON_CLK
53047bf2b03SMaksym Kokhan	select CSRC_R4K
531885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
5321da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5338a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
534eb01d42aSChristoph Hellwig	select HAVE_PCI
535d865bea4SRalf Baechle	select I8253
5361da177e4SLinus Torvalds	select I8259
53747bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
5385e83d430SRalf Baechle	select MIPS_BONITO64
5399318c51aSChris Dearman	select MIPS_CPU_SCACHE
54047bf2b03SMaksym Kokhan	select MIPS_GIC
541a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5425e83d430SRalf Baechle	select MIPS_MSC
54347bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
544ecafe3e9SPaul Burton	select SMP_UP if SMP
5451da177e4SLinus Torvalds	select SWAP_IO_SPACE
5467cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5477cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
548bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
549c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
550575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5517cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5525d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
553575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5547cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5557cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
556ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
557ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5585e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
559c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5605e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
561424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
56247bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5630365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
564e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
565f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
56647bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5679693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
568f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5691b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
570e8823d26SPaul Burton	select USE_OF
571abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5721da177e4SLinus Torvalds	help
573f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5741da177e4SLinus Torvalds	  board.
5751da177e4SLinus Torvalds
5762572f00dSJoshua Hendersonconfig MACH_PIC32
5772572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5782572f00dSJoshua Henderson	help
5792572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5802572f00dSJoshua Henderson
5812572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5822572f00dSJoshua Henderson	  microcontrollers.
5832572f00dSJoshua Henderson
5845e83d430SRalf Baechleconfig MACH_VR41XX
58574142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
58642f77542SRalf Baechle	select CEVT_R4K
587940f6b48SRalf Baechle	select CSRC_R4K
5887cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
589377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
590d30a2b47SLinus Walleij	select GPIOLIB
5915e83d430SRalf Baechle
592edb6310aSDaniel Lairdconfig NXP_STB220
593edb6310aSDaniel Laird	bool "NXP STB220 board"
594edb6310aSDaniel Laird	select SOC_PNX833X
595edb6310aSDaniel Laird	help
596edb6310aSDaniel Laird	  Support for NXP Semiconductors STB220 Development Board.
597edb6310aSDaniel Laird
598edb6310aSDaniel Lairdconfig NXP_STB225
599edb6310aSDaniel Laird	bool "NXP 225 board"
600edb6310aSDaniel Laird	select SOC_PNX833X
601edb6310aSDaniel Laird	select SOC_PNX8335
602edb6310aSDaniel Laird	help
603edb6310aSDaniel Laird	  Support for NXP Semiconductors STB225 Development Board.
604edb6310aSDaniel Laird
605ae2b5bb6SJohn Crispinconfig RALINK
606ae2b5bb6SJohn Crispin	bool "Ralink based machines"
607ae2b5bb6SJohn Crispin	select CEVT_R4K
608ae2b5bb6SJohn Crispin	select CSRC_R4K
609ae2b5bb6SJohn Crispin	select BOOT_RAW
610ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
61167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
612ae2b5bb6SJohn Crispin	select USE_OF
613ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
614ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
615ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
616ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
617377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
618ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
619ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6202a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6212a153f1cSJohn Crispin	select RESET_CONTROLLER
622ae2b5bb6SJohn Crispin
6231da177e4SLinus Torvaldsconfig SGI_IP22
6243fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
625c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
62639b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6270e2794b0SRalf Baechle	select FW_ARC
6280e2794b0SRalf Baechle	select FW_ARC32
6297a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6301da177e4SLinus Torvalds	select BOOT_ELF32
63142f77542SRalf Baechle	select CEVT_R4K
632940f6b48SRalf Baechle	select CSRC_R4K
633e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6341da177e4SLinus Torvalds	select DMA_NONCOHERENT
6356630a8e5SChristoph Hellwig	select HAVE_EISA
636d865bea4SRalf Baechle	select I8253
63768de4803SThomas Bogendoerfer	select I8259
6381da177e4SLinus Torvalds	select IP22_CPU_SCACHE
63967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
640aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
641e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
642e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
64336e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
644e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
645e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
646e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6471da177e4SLinus Torvalds	select SWAP_IO_SPACE
6487cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6497cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
650c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
651ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
652ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6535e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
654930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6551da177e4SLinus Torvalds	help
6561da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6571da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6581da177e4SLinus Torvalds	  that runs on these, say Y here.
6591da177e4SLinus Torvalds
6601da177e4SLinus Torvaldsconfig SGI_IP27
6613fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
66254aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
663397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
6640e2794b0SRalf Baechle	select FW_ARC
6650e2794b0SRalf Baechle	select FW_ARC64
666e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
6675e83d430SRalf Baechle	select BOOT_ELF64
668e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
66936a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
670eb01d42aSChristoph Hellwig	select HAVE_PCI
67169a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
672e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
673130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
674a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
675a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
6767cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
677ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6785e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
679d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
6801a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
681930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6821da177e4SLinus Torvalds	help
6831da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
6841da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
6851da177e4SLinus Torvalds	  here.
6861da177e4SLinus Torvalds
687e2defae5SThomas Bogendoerferconfig SGI_IP28
6887d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
689c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
69039b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6910e2794b0SRalf Baechle	select FW_ARC
6920e2794b0SRalf Baechle	select FW_ARC64
6937a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
694e2defae5SThomas Bogendoerfer	select BOOT_ELF64
695e2defae5SThomas Bogendoerfer	select CEVT_R4K
696e2defae5SThomas Bogendoerfer	select CSRC_R4K
697e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
698e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
699e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
70067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7016630a8e5SChristoph Hellwig	select HAVE_EISA
702e2defae5SThomas Bogendoerfer	select I8253
703e2defae5SThomas Bogendoerfer	select I8259
704e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
705e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7065b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
707e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
708e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
709e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
710e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
711e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
712c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
713e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
714e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
715dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
716e2defae5SThomas Bogendoerfer	help
717e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
718e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
719e2defae5SThomas Bogendoerfer
7207505576dSThomas Bogendoerferconfig SGI_IP30
7217505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7227505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7237505576dSThomas Bogendoerfer	select FW_ARC
7247505576dSThomas Bogendoerfer	select FW_ARC64
7257505576dSThomas Bogendoerfer	select BOOT_ELF64
7267505576dSThomas Bogendoerfer	select CEVT_R4K
7277505576dSThomas Bogendoerfer	select CSRC_R4K
7287505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7297505576dSThomas Bogendoerfer	select ZONE_DMA32
7307505576dSThomas Bogendoerfer	select HAVE_PCI
7317505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7327505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7337505576dSThomas Bogendoerfer	select NR_CPUS_DEFAULT_2
7347505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7357505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7367505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7377505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7387505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7397505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7407505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
7417505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7427505576dSThomas Bogendoerfer	select ARC_MEMORY
7437505576dSThomas Bogendoerfer	help
7447505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
7457505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
7467505576dSThomas Bogendoerfer
7471da177e4SLinus Torvaldsconfig SGI_IP32
748cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
74939b2d756SThomas Bogendoerfer	select ARC_MEMORY
75039b2d756SThomas Bogendoerfer	select ARC_PROMLIB
75103df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7520e2794b0SRalf Baechle	select FW_ARC
7530e2794b0SRalf Baechle	select FW_ARC32
7541da177e4SLinus Torvalds	select BOOT_ELF32
75542f77542SRalf Baechle	select CEVT_R4K
756940f6b48SRalf Baechle	select CSRC_R4K
7571da177e4SLinus Torvalds	select DMA_NONCOHERENT
758eb01d42aSChristoph Hellwig	select HAVE_PCI
75967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7601da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7611da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7627cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7637cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7647cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
765dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
766ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7675e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7681da177e4SLinus Torvalds	help
7691da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
7701da177e4SLinus Torvalds
771ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
772ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
7735e83d430SRalf Baechle	select BOOT_ELF32
7745e83d430SRalf Baechle	select SIBYTE_BCM1120
7755e83d430SRalf Baechle	select SWAP_IO_SPACE
7767cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7775e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7785e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7795e83d430SRalf Baechle
780ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
781ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
7825e83d430SRalf Baechle	select BOOT_ELF32
7835e83d430SRalf Baechle	select SIBYTE_BCM1120
7845e83d430SRalf Baechle	select SWAP_IO_SPACE
7857cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7865e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7875e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7885e83d430SRalf Baechle
7895e83d430SRalf Baechleconfig SIBYTE_CRHONE
7903fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
7915e83d430SRalf Baechle	select BOOT_ELF32
7925e83d430SRalf Baechle	select SIBYTE_BCM1125
7935e83d430SRalf Baechle	select SWAP_IO_SPACE
7947cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7955e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7965e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7975e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7985e83d430SRalf Baechle
799ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
800ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
801ade299d8SYoichi Yuasa	select BOOT_ELF32
802ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
803ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
804ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
805ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
806ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
807ade299d8SYoichi Yuasa
808ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
809ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
810ade299d8SYoichi Yuasa	select BOOT_ELF32
811fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
812ade299d8SYoichi Yuasa	select SIBYTE_SB1250
813ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
814ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
815ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
816ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
817ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
818cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
819e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
820ade299d8SYoichi Yuasa
821ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
822ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
823ade299d8SYoichi Yuasa	select BOOT_ELF32
824fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
825ade299d8SYoichi Yuasa	select SIBYTE_SB1250
826ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
827ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
828ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
829ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
830ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
831756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
832ade299d8SYoichi Yuasa
833ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
834ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
835ade299d8SYoichi Yuasa	select BOOT_ELF32
836ade299d8SYoichi Yuasa	select SIBYTE_SB1250
837ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
838ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
839ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
840ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
841e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
842ade299d8SYoichi Yuasa
843ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
844ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
845ade299d8SYoichi Yuasa	select BOOT_ELF32
846ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
847ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
848ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
849ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
850ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
851651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
852ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
853cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
854e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
855ade299d8SYoichi Yuasa
85614b36af4SThomas Bogendoerferconfig SNI_RM
85714b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
85839b2d756SThomas Bogendoerfer	select ARC_MEMORY
85939b2d756SThomas Bogendoerfer	select ARC_PROMLIB
8600e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8610e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
862aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8635e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
864a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8657a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8665e83d430SRalf Baechle	select BOOT_ELF32
86742f77542SRalf Baechle	select CEVT_R4K
868940f6b48SRalf Baechle	select CSRC_R4K
869e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
8705e83d430SRalf Baechle	select DMA_NONCOHERENT
8715e83d430SRalf Baechle	select GENERIC_ISA_DMA
8726630a8e5SChristoph Hellwig	select HAVE_EISA
8738a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
874eb01d42aSChristoph Hellwig	select HAVE_PCI
87567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
876d865bea4SRalf Baechle	select I8253
8775e83d430SRalf Baechle	select I8259
8785e83d430SRalf Baechle	select ISA
8794a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
8807cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
8814a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
882c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
8834a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
88436a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
885ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
8867d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
8874a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
8885e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8895e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8901da177e4SLinus Torvalds	help
89114b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
89214b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
8935e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
8945e83d430SRalf Baechle	  support this machine type.
8951da177e4SLinus Torvalds
896edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
897edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
8985e83d430SRalf Baechle
899edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
900edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
90123fbee9dSRalf Baechle
90273b4390fSRalf Baechleconfig MIKROTIK_RB532
90373b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
90473b4390fSRalf Baechle	select CEVT_R4K
90573b4390fSRalf Baechle	select CSRC_R4K
90673b4390fSRalf Baechle	select DMA_NONCOHERENT
907eb01d42aSChristoph Hellwig	select HAVE_PCI
90867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
90973b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
91073b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
91173b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
91273b4390fSRalf Baechle	select SWAP_IO_SPACE
91373b4390fSRalf Baechle	select BOOT_RAW
914d30a2b47SLinus Walleij	select GPIOLIB
915930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
91673b4390fSRalf Baechle	help
91773b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
91873b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
91973b4390fSRalf Baechle
9209ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9219ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
922a86c7f72SDavid Daney	select CEVT_R4K
923ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9241753d50cSChristoph Hellwig	select HAVE_RAPIDIO
925d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
926a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
927a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
928f65aad41SRalf Baechle	select EDAC_SUPPORT
929b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
93073569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
93173569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
932a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9335e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
934eb01d42aSChristoph Hellwig	select HAVE_PCI
93578bdbbacSMasahiro Yamada	select HAVE_PLAT_DELAY
93678bdbbacSMasahiro Yamada	select HAVE_PLAT_FW_INIT_CMDLINE
93778bdbbacSMasahiro Yamada	select HAVE_PLAT_MEMCPY
938f00e001eSDavid Daney	select ZONE_DMA32
939465aaed0SDavid Daney	select HOLES_IN_ZONE
940d30a2b47SLinus Walleij	select GPIOLIB
9416e511163SDavid Daney	select USE_OF
9426e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9436e511163SDavid Daney	select SYS_SUPPORTS_SMP
9447820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9457820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
946e326479fSAndrew Bresticker	select BUILTIN_DTB
9478c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
94809230cbcSChristoph Hellwig	select SWIOTLB
9493ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
950a86c7f72SDavid Daney	help
951a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
952a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
953a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
954a86c7f72SDavid Daney	  Some of the supported boards are:
955a86c7f72SDavid Daney		EBT3000
956a86c7f72SDavid Daney		EBH3000
957a86c7f72SDavid Daney		EBH3100
958a86c7f72SDavid Daney		Thunder
959a86c7f72SDavid Daney		Kodama
960a86c7f72SDavid Daney		Hikari
961a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
962a86c7f72SDavid Daney
9637f058e85SJayachandran Cconfig NLM_XLR_BOARD
9647f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
9657f058e85SJayachandran C	select BOOT_ELF32
9667f058e85SJayachandran C	select NLM_COMMON
9677f058e85SJayachandran C	select SYS_HAS_CPU_XLR
9687f058e85SJayachandran C	select SYS_SUPPORTS_SMP
969eb01d42aSChristoph Hellwig	select HAVE_PCI
9707f058e85SJayachandran C	select SWAP_IO_SPACE
9717f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9727f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
973d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
9747f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9757f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9767f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
9777f058e85SJayachandran C	select CEVT_R4K
9787f058e85SJayachandran C	select CSRC_R4K
97967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
980b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9817f058e85SJayachandran C	select SYNC_R4K
9827f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
9838f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9848f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9857f058e85SJayachandran C	help
9867f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
9877f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
9887f058e85SJayachandran C
9891c773ea4SJayachandran Cconfig NLM_XLP_BOARD
9901c773ea4SJayachandran C	bool "Netlogic XLP based systems"
9911c773ea4SJayachandran C	select BOOT_ELF32
9921c773ea4SJayachandran C	select NLM_COMMON
9931c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
9941c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
995eb01d42aSChristoph Hellwig	select HAVE_PCI
9961c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9971c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
998d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
999d30a2b47SLinus Walleij	select GPIOLIB
10001c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10011c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
10021c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10031c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
10041c773ea4SJayachandran C	select CEVT_R4K
10051c773ea4SJayachandran C	select CSRC_R4K
100667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1007b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10081c773ea4SJayachandran C	select SYNC_R4K
10091c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
10102f6528e1SJayachandran C	select USE_OF
10118f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10128f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10131c773ea4SJayachandran C	help
10141c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
10151c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
10161c773ea4SJayachandran C
10179bc463beSDavid Daneyconfig MIPS_PARAVIRT
10189bc463beSDavid Daney	bool "Para-Virtualized guest system"
10199bc463beSDavid Daney	select CEVT_R4K
10209bc463beSDavid Daney	select CSRC_R4K
10219bc463beSDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
10229bc463beSDavid Daney	select SYS_SUPPORTS_32BIT_KERNEL
10239bc463beSDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
10249bc463beSDavid Daney	select SYS_SUPPORTS_SMP
10259bc463beSDavid Daney	select NR_CPUS_DEFAULT_4
10269bc463beSDavid Daney	select SYS_HAS_EARLY_PRINTK
10279bc463beSDavid Daney	select SYS_HAS_CPU_MIPS32_R2
10289bc463beSDavid Daney	select SYS_HAS_CPU_MIPS64_R2
10299bc463beSDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
1030eb01d42aSChristoph Hellwig	select HAVE_PCI
10319bc463beSDavid Daney	select SWAP_IO_SPACE
10329bc463beSDavid Daney	help
10339bc463beSDavid Daney	  This option supports guest running under ????
10349bc463beSDavid Daney
10351da177e4SLinus Torvaldsendchoice
10361da177e4SLinus Torvalds
1037e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10383b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1039d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1040a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1041e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10428945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1043eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
10445e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10455ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
10468ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10472572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1048af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
1049ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
105029c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
105138b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
105222b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10535e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1054a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
105571e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
105630ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
105730ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
10587f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
1059ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig"
106038b18f72SRalf Baechle
10615e83d430SRalf Baechleendmenu
10625e83d430SRalf Baechle
10633c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10643c9ee7efSAkinobu Mita	bool
10653c9ee7efSAkinobu Mita	default y
10663c9ee7efSAkinobu Mita
10671da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10681da177e4SLinus Torvalds	bool
10691da177e4SLinus Torvalds	default y
10701da177e4SLinus Torvalds
1071ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10721cc89038SAtsushi Nemoto	bool
10731cc89038SAtsushi Nemoto	default y
10741cc89038SAtsushi Nemoto
10751da177e4SLinus Torvalds#
10761da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10771da177e4SLinus Torvalds#
10780e2794b0SRalf Baechleconfig FW_ARC
10791da177e4SLinus Torvalds	bool
10801da177e4SLinus Torvalds
108161ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
108261ed242dSRalf Baechle	bool
108361ed242dSRalf Baechle
10849267a30dSMarc St-Jeanconfig BOOT_RAW
10859267a30dSMarc St-Jean	bool
10869267a30dSMarc St-Jean
1087217dd11eSRalf Baechleconfig CEVT_BCM1480
1088217dd11eSRalf Baechle	bool
1089217dd11eSRalf Baechle
10906457d9fcSYoichi Yuasaconfig CEVT_DS1287
10916457d9fcSYoichi Yuasa	bool
10926457d9fcSYoichi Yuasa
10931097c6acSYoichi Yuasaconfig CEVT_GT641XX
10941097c6acSYoichi Yuasa	bool
10951097c6acSYoichi Yuasa
109642f77542SRalf Baechleconfig CEVT_R4K
109742f77542SRalf Baechle	bool
109842f77542SRalf Baechle
1099217dd11eSRalf Baechleconfig CEVT_SB1250
1100217dd11eSRalf Baechle	bool
1101217dd11eSRalf Baechle
1102229f773eSAtsushi Nemotoconfig CEVT_TXX9
1103229f773eSAtsushi Nemoto	bool
1104229f773eSAtsushi Nemoto
1105217dd11eSRalf Baechleconfig CSRC_BCM1480
1106217dd11eSRalf Baechle	bool
1107217dd11eSRalf Baechle
11084247417dSYoichi Yuasaconfig CSRC_IOASIC
11094247417dSYoichi Yuasa	bool
11104247417dSYoichi Yuasa
1111940f6b48SRalf Baechleconfig CSRC_R4K
111238586428SSerge Semin	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1113940f6b48SRalf Baechle	bool
1114940f6b48SRalf Baechle
1115217dd11eSRalf Baechleconfig CSRC_SB1250
1116217dd11eSRalf Baechle	bool
1117217dd11eSRalf Baechle
1118a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1119a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1120a7f4df4eSAlex Smith
1121a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1122d30a2b47SLinus Walleij	select GPIOLIB
1123a9aec7feSAtsushi Nemoto	bool
1124a9aec7feSAtsushi Nemoto
11250e2794b0SRalf Baechleconfig FW_CFE
1126df78b5c8SAurelien Jarno	bool
1127df78b5c8SAurelien Jarno
112840e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
112940e084a5SRalf Baechle	bool
113040e084a5SRalf Baechle
1131885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1132f3ecc0ffSChristoph Hellwig	select ARCH_HAS_DMA_COHERENCE_H
1133885014bcSFelix Fietkau	select DMA_NONCOHERENT
1134885014bcSFelix Fietkau	bool
1135885014bcSFelix Fietkau
113620d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
113720d33064SPaul Burton	bool
1138347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
11395748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
114020d33064SPaul Burton
11411da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11421da177e4SLinus Torvalds	bool
1143db91427bSChristoph Hellwig	#
1144db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1145db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1146db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1147db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1148db91427bSChristoph Hellwig	# significant advantages.
1149db91427bSChristoph Hellwig	#
1150419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1151fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_PREP_COHERENT
1152f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1153fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_SET_UNCACHED
115434dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
1155f8c55dc6SChristoph Hellwig	select DMA_NONCOHERENT_CACHE_SYNC
115634dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11574ce588cdSRalf Baechle
115836a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11591da177e4SLinus Torvalds	bool
11601da177e4SLinus Torvalds
11611b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1162dbb74540SRalf Baechle	bool
1163dbb74540SRalf Baechle
11641da177e4SLinus Torvaldsconfig MIPS_BONITO64
11651da177e4SLinus Torvalds	bool
11661da177e4SLinus Torvalds
11671da177e4SLinus Torvaldsconfig MIPS_MSC
11681da177e4SLinus Torvalds	bool
11691da177e4SLinus Torvalds
117039b8d525SRalf Baechleconfig SYNC_R4K
117139b8d525SRalf Baechle	bool
117239b8d525SRalf Baechle
1173487d70d0SGabor Juhosconfig MIPS_MACHINE
1174487d70d0SGabor Juhos	def_bool n
1175487d70d0SGabor Juhos
1176ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1177d388d685SMaciej W. Rozycki	def_bool n
1178d388d685SMaciej W. Rozycki
11794e0748f5SMarkos Chandrasconfig GENERIC_CSUM
118018d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
11814e0748f5SMarkos Chandras
11828313da30SRalf Baechleconfig GENERIC_ISA_DMA
11838313da30SRalf Baechle	bool
11848313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1185a35bee8aSNamhyung Kim	select ISA_DMA_API
11868313da30SRalf Baechle
1187aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1188aa414dffSRalf Baechle	bool
11898313da30SRalf Baechle	select GENERIC_ISA_DMA
1190aa414dffSRalf Baechle
119178bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY
119278bdbbacSMasahiro Yamada	bool
119378bdbbacSMasahiro Yamada
119478bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE
119578bdbbacSMasahiro Yamada	bool
119678bdbbacSMasahiro Yamada
119778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY
119878bdbbacSMasahiro Yamada	bool
119978bdbbacSMasahiro Yamada
1200a35bee8aSNamhyung Kimconfig ISA_DMA_API
1201a35bee8aSNamhyung Kim	bool
1202a35bee8aSNamhyung Kim
1203465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1204465aaed0SDavid Daney	bool
1205465aaed0SDavid Daney
12068c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
12078c530ea3SMatt Redfearn	bool
12088c530ea3SMatt Redfearn	help
12098c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
12108c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
12118c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
12128c530ea3SMatt Redfearn
1213f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT
1214f381bf6dSDavid Daney	def_bool y
1215f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_CBPF_JIT
1216f381bf6dSDavid Daney
1217f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT
1218f381bf6dSDavid Daney	def_bool y
1219f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_EBPF_JIT
1220f381bf6dSDavid Daney
1221f381bf6dSDavid Daney
12225e83d430SRalf Baechle#
12236b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
12245e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
12255e83d430SRalf Baechle# choice statement should be more obvious to the user.
12265e83d430SRalf Baechle#
12275e83d430SRalf Baechlechoice
12286b2aac42SMasanari Iida	prompt "Endianness selection"
12291da177e4SLinus Torvalds	help
12301da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
12315e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
12323cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
12335e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
12343dde6ad8SDavid Sterba	  one or the other endianness.
12355e83d430SRalf Baechle
12365e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
12375e83d430SRalf Baechle	bool "Big endian"
12385e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
12395e83d430SRalf Baechle
12405e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
12415e83d430SRalf Baechle	bool "Little endian"
12425e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
12435e83d430SRalf Baechle
12445e83d430SRalf Baechleendchoice
12455e83d430SRalf Baechle
124622b0763aSDavid Daneyconfig EXPORT_UASM
124722b0763aSDavid Daney	bool
124822b0763aSDavid Daney
12492116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
12502116245eSRalf Baechle	bool
12512116245eSRalf Baechle
12525e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
12535e83d430SRalf Baechle	bool
12545e83d430SRalf Baechle
12555e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12565e83d430SRalf Baechle	bool
12571da177e4SLinus Torvalds
12589cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
12599cffd154SDavid Daney	bool
126045e03e62SDaniel Silsby	depends on CPU_SUPPORTS_HUGEPAGES
12619cffd154SDavid Daney	default y
12629cffd154SDavid Daney
1263aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1264aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1265aa1762f4SDavid Daney
12661da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
12671da177e4SLinus Torvalds	bool
12681da177e4SLinus Torvalds
12699267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12709267a30dSMarc St-Jean	bool
12719267a30dSMarc St-Jean
12729267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12739267a30dSMarc St-Jean	bool
12749267a30dSMarc St-Jean
12758420fd00SAtsushi Nemotoconfig IRQ_TXX9
12768420fd00SAtsushi Nemoto	bool
12778420fd00SAtsushi Nemoto
1278d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1279d5ab1a69SYoichi Yuasa	bool
1280d5ab1a69SYoichi Yuasa
1281252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12821da177e4SLinus Torvalds	bool
12831da177e4SLinus Torvalds
1284a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1285a57140e9SThomas Bogendoerfer	bool
1286a57140e9SThomas Bogendoerfer
12879267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12889267a30dSMarc St-Jean	bool
12899267a30dSMarc St-Jean
1290edb6310aSDaniel Lairdconfig SOC_PNX833X
1291edb6310aSDaniel Laird	bool
1292edb6310aSDaniel Laird	select CEVT_R4K
1293edb6310aSDaniel Laird	select CSRC_R4K
129467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1295edb6310aSDaniel Laird	select DMA_NONCOHERENT
1296edb6310aSDaniel Laird	select SYS_HAS_CPU_MIPS32_R2
1297edb6310aSDaniel Laird	select SYS_SUPPORTS_32BIT_KERNEL
1298edb6310aSDaniel Laird	select SYS_SUPPORTS_LITTLE_ENDIAN
1299edb6310aSDaniel Laird	select SYS_SUPPORTS_BIG_ENDIAN
1300377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1301edb6310aSDaniel Laird	select CPU_MIPSR2_IRQ_VI
1302edb6310aSDaniel Laird
1303edb6310aSDaniel Lairdconfig SOC_PNX8335
1304edb6310aSDaniel Laird	bool
1305edb6310aSDaniel Laird	select SOC_PNX833X
1306edb6310aSDaniel Laird
1307a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1308a7e07b1aSMarkos Chandras	bool
1309a7e07b1aSMarkos Chandras
13101da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
13111da177e4SLinus Torvalds	bool
13121da177e4SLinus Torvalds
1313e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1314e2defae5SThomas Bogendoerfer	bool
1315e2defae5SThomas Bogendoerfer
13165b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
13175b438c44SThomas Bogendoerfer	bool
13185b438c44SThomas Bogendoerfer
1319e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1320e2defae5SThomas Bogendoerfer	bool
1321e2defae5SThomas Bogendoerfer
1322e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1323e2defae5SThomas Bogendoerfer	bool
1324e2defae5SThomas Bogendoerfer
1325e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1326e2defae5SThomas Bogendoerfer	bool
1327e2defae5SThomas Bogendoerfer
1328e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1329e2defae5SThomas Bogendoerfer	bool
1330e2defae5SThomas Bogendoerfer
1331e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1332e2defae5SThomas Bogendoerfer	bool
1333e2defae5SThomas Bogendoerfer
13340e2794b0SRalf Baechleconfig FW_ARC32
13355e83d430SRalf Baechle	bool
13365e83d430SRalf Baechle
1337aaa9fad3SPaul Bolleconfig FW_SNIPROM
1338231a35d3SThomas Bogendoerfer	bool
1339231a35d3SThomas Bogendoerfer
13401da177e4SLinus Torvaldsconfig BOOT_ELF32
13411da177e4SLinus Torvalds	bool
13421da177e4SLinus Torvalds
1343930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1344930beb5aSFlorian Fainelli	bool
1345930beb5aSFlorian Fainelli
1346930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1347930beb5aSFlorian Fainelli	bool
1348930beb5aSFlorian Fainelli
1349930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1350930beb5aSFlorian Fainelli	bool
1351930beb5aSFlorian Fainelli
1352930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1353930beb5aSFlorian Fainelli	bool
1354930beb5aSFlorian Fainelli
13551da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
13561da177e4SLinus Torvalds	int
1357a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
13585432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
13595432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
13605432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
13611da177e4SLinus Torvalds	default "5"
13621da177e4SLinus Torvalds
1363e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1364e9422427SThomas Bogendoerfer	bool
1365e9422427SThomas Bogendoerfer
13661da177e4SLinus Torvaldsconfig ARC_CONSOLE
13671da177e4SLinus Torvalds	bool "ARC console support"
1368e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
13691da177e4SLinus Torvalds
13701da177e4SLinus Torvaldsconfig ARC_MEMORY
13711da177e4SLinus Torvalds	bool
13721da177e4SLinus Torvalds
13731da177e4SLinus Torvaldsconfig ARC_PROMLIB
13741da177e4SLinus Torvalds	bool
13751da177e4SLinus Torvalds
13760e2794b0SRalf Baechleconfig FW_ARC64
13771da177e4SLinus Torvalds	bool
13781da177e4SLinus Torvalds
13791da177e4SLinus Torvaldsconfig BOOT_ELF64
13801da177e4SLinus Torvalds	bool
13811da177e4SLinus Torvalds
13821da177e4SLinus Torvaldsmenu "CPU selection"
13831da177e4SLinus Torvalds
13841da177e4SLinus Torvaldschoice
13851da177e4SLinus Torvalds	prompt "CPU type"
13861da177e4SLinus Torvalds	default CPU_R4X00
13871da177e4SLinus Torvalds
1388268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1389caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1390268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1391d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
139251522217SJiaxun Yang	select CPU_MIPSR2
139351522217SJiaxun Yang	select CPU_HAS_PREFETCH
13940e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13950e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13960e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
13977507445bSHuacai Chen	select CPU_SUPPORTS_MSA
139851522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
139951522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
14000e476d91SHuacai Chen	select WEAK_ORDERING
14010e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
14027507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1403b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
140417c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
1405d30a2b47SLinus Walleij	select GPIOLIB
140609230cbcSChristoph Hellwig	select SWIOTLB
14070e476d91SHuacai Chen	help
1408caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1409caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1410caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1411caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1412caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
14130e476d91SHuacai Chen
1414caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1415caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
14161e820da3SHuacai Chen	default n
1417268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
14181e820da3SHuacai Chen	help
1419caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
14201e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1421268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
14221e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
14231e820da3SHuacai Chen	  Fast TLB refill support, etc.
14241e820da3SHuacai Chen
14251e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
14261e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
14271e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1428caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
14291e820da3SHuacai Chen
1430e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1431caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1432e02e07e3SHuacai Chen	default y if SMP
1433268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1434e02e07e3SHuacai Chen	help
1435caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1436e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1437e02e07e3SHuacai Chen
1438caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1439e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1440e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1441e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1442e02e07e3SHuacai Chen
1443e02e07e3SHuacai Chen	  If unsure, please say Y.
1444e02e07e3SHuacai Chen
1445ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION
1446ec7a9318SWANG Xuerui	bool "Emulate the CPUCFG instruction on older Loongson cores"
1447ec7a9318SWANG Xuerui	default y
1448ec7a9318SWANG Xuerui	depends on CPU_LOONGSON64
1449ec7a9318SWANG Xuerui	help
1450ec7a9318SWANG Xuerui	  Loongson-3A R4 and newer have the CPUCFG instruction available for
1451ec7a9318SWANG Xuerui	  userland to query CPU capabilities, much like CPUID on x86. This
1452ec7a9318SWANG Xuerui	  option provides emulation of the instruction on older Loongson
1453ec7a9318SWANG Xuerui	  cores, back to Loongson-3A1000.
1454ec7a9318SWANG Xuerui
1455ec7a9318SWANG Xuerui	  If unsure, please say Y.
1456ec7a9318SWANG Xuerui
14573702bba5SWu Zhangjinconfig CPU_LOONGSON2E
14583702bba5SWu Zhangjin	bool "Loongson 2E"
14593702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1460268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
14612a21c730SFuxin Zhang	help
14622a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
14632a21c730SFuxin Zhang	  with many extensions.
14642a21c730SFuxin Zhang
146525985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
14666f7a251aSWu Zhangjin	  bonito64.
14676f7a251aSWu Zhangjin
14686f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
14696f7a251aSWu Zhangjin	bool "Loongson 2F"
14706f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1471268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1472d30a2b47SLinus Walleij	select GPIOLIB
14736f7a251aSWu Zhangjin	help
14746f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
14756f7a251aSWu Zhangjin	  with many extensions.
14766f7a251aSWu Zhangjin
14776f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
14786f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
14796f7a251aSWu Zhangjin	  Loongson2E.
14806f7a251aSWu Zhangjin
1481ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1482ca585cf9SKelvin Cheung	bool "Loongson 1B"
1483ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1484b2afb64cSHuacai Chen	select CPU_LOONGSON32
14859ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1486ca585cf9SKelvin Cheung	help
1487ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1488968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1489968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1490ca585cf9SKelvin Cheung
149112e3280bSYang Lingconfig CPU_LOONGSON1C
149212e3280bSYang Ling	bool "Loongson 1C"
149312e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1494b2afb64cSHuacai Chen	select CPU_LOONGSON32
149512e3280bSYang Ling	select LEDS_GPIO_REGISTER
149612e3280bSYang Ling	help
149712e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1498968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1499968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
150012e3280bSYang Ling
15016e760c8dSRalf Baechleconfig CPU_MIPS32_R1
15026e760c8dSRalf Baechle	bool "MIPS32 Release 1"
15037cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
15046e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1505797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1506ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15076e760c8dSRalf Baechle	help
15085e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15091e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15101e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15111e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15121e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15131e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
15141e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
15151e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
15161e5f1caaSRalf Baechle	  performance.
15171e5f1caaSRalf Baechle
15181e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
15191e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
15207cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
15211e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1522797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1523ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1524a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
15252235a54dSSanjay Lal	select HAVE_KVM
15261e5f1caaSRalf Baechle	help
15275e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15286e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15296e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15306e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15316e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15321da177e4SLinus Torvalds
1533ab7c01fdSSerge Seminconfig CPU_MIPS32_R5
1534ab7c01fdSSerge Semin	bool "MIPS32 Release 5"
1535ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS32_R5
1536ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1537ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1538ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1539ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1540ab7c01fdSSerge Semin	select HAVE_KVM
1541ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT
1542ab7c01fdSSerge Semin	help
1543ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1544ab7c01fdSSerge Semin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1545ab7c01fdSSerge Semin	  family, are based on a MIPS32r5 processor. If you own an older
1546ab7c01fdSSerge Semin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1547ab7c01fdSSerge Semin
15487fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1549674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
15507fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
15517fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
155218d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15537fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15547fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
15557fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15567fd08ca5SLeonid Yegoshin	select HAVE_KVM
15577fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
15587fd08ca5SLeonid Yegoshin	help
15597fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15607fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
15617fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
15627fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
15637fd08ca5SLeonid Yegoshin
15646e760c8dSRalf Baechleconfig CPU_MIPS64_R1
15656e760c8dSRalf Baechle	bool "MIPS64 Release 1"
15667cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1567797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1568ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1569ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1570ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15719cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
15726e760c8dSRalf Baechle	help
15736e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15746e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15756e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15766e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15776e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15781e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
15791e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
15801e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
15811e5f1caaSRalf Baechle	  performance.
15821e5f1caaSRalf Baechle
15831e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15841e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15857cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1586797798c1SRalf Baechle	select CPU_HAS_PREFETCH
15871e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15881e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1589ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15909cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1591a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
159240a2df49SJames Hogan	select HAVE_KVM
15931e5f1caaSRalf Baechle	help
15941e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15951e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15961e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15971e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15981e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15991da177e4SLinus Torvalds
1600ab7c01fdSSerge Seminconfig CPU_MIPS64_R5
1601ab7c01fdSSerge Semin	bool "MIPS64 Release 5"
1602ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS64_R5
1603ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1604ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1605ab7c01fdSSerge Semin	select CPU_SUPPORTS_64BIT_KERNEL
1606ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1607ab7c01fdSSerge Semin	select CPU_SUPPORTS_HUGEPAGES
1608ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1609ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1610ab7c01fdSSerge Semin	select HAVE_KVM
1611ab7c01fdSSerge Semin	help
1612ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1613ab7c01fdSSerge Semin	  MIPS64 architecture.  This is a intermediate MIPS architecture
1614ab7c01fdSSerge Semin	  release partly implementing release 6 features. Though there is no
1615ab7c01fdSSerge Semin	  any hardware known to be based on this release.
1616ab7c01fdSSerge Semin
16177fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1618674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
16197fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
16207fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
162118d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
16227fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
16237fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
16247fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1625afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
16267fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
16272e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
162840a2df49SJames Hogan	select HAVE_KVM
16297fd08ca5SLeonid Yegoshin	help
16307fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
16317fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
16327fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
16337fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
16347fd08ca5SLeonid Yegoshin
1635281e3aeaSSerge Seminconfig CPU_P5600
1636281e3aeaSSerge Semin	bool "MIPS Warrior P5600"
1637281e3aeaSSerge Semin	depends on SYS_HAS_CPU_P5600
1638281e3aeaSSerge Semin	select CPU_HAS_PREFETCH
1639281e3aeaSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1640281e3aeaSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1641281e3aeaSSerge Semin	select CPU_SUPPORTS_MSA
1642281e3aeaSSerge Semin	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1643281e3aeaSSerge Semin	select CPU_SUPPORTS_CPUFREQ
1644281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_VI
1645281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_EI
1646281e3aeaSSerge Semin	select HAVE_KVM
1647281e3aeaSSerge Semin	select MIPS_O32_FP64_SUPPORT
1648281e3aeaSSerge Semin	help
1649281e3aeaSSerge Semin	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1650281e3aeaSSerge Semin	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1651281e3aeaSSerge Semin	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1652281e3aeaSSerge Semin	  level features like up to six P5600 calculation cores, CM2 with L2
1653281e3aeaSSerge Semin	  cache, IOCU/IOMMU (though might be unused depending on the system-
1654281e3aeaSSerge Semin	  specific IP core configuration), GIC, CPC, virtualisation module,
1655281e3aeaSSerge Semin	  eJTAG and PDtrace.
1656281e3aeaSSerge Semin
16571da177e4SLinus Torvaldsconfig CPU_R3000
16581da177e4SLinus Torvalds	bool "R3000"
16597cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1660f7062ddbSRalf Baechle	select CPU_HAS_WB
166154746829SPaul Burton	select CPU_R3K_TLB
1662ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1663797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
16641da177e4SLinus Torvalds	help
16651da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
16661da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
16671da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
16681da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
16691da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
16701da177e4SLinus Torvalds	  try to recompile with R3000.
16711da177e4SLinus Torvalds
16721da177e4SLinus Torvaldsconfig CPU_TX39XX
16731da177e4SLinus Torvalds	bool "R39XX"
16747cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1675ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
167654746829SPaul Burton	select CPU_R3K_TLB
16771da177e4SLinus Torvalds
16781da177e4SLinus Torvaldsconfig CPU_VR41XX
16791da177e4SLinus Torvalds	bool "R41xx"
16807cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1681ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1682ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
16831da177e4SLinus Torvalds	help
16845e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16851da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16861da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16871da177e4SLinus Torvalds	  processor or vice versa.
16881da177e4SLinus Torvalds
16891da177e4SLinus Torvaldsconfig CPU_R4X00
16901da177e4SLinus Torvalds	bool "R4x00"
16917cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1692ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1693ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1694970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16951da177e4SLinus Torvalds	help
16961da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16971da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16981da177e4SLinus Torvalds
16991da177e4SLinus Torvaldsconfig CPU_TX49XX
17001da177e4SLinus Torvalds	bool "R49XX"
17017cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1702de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1703ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1704ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1705970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17061da177e4SLinus Torvalds
17071da177e4SLinus Torvaldsconfig CPU_R5000
17081da177e4SLinus Torvalds	bool "R5000"
17097cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1710ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1711ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1712970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17131da177e4SLinus Torvalds	help
17141da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
17151da177e4SLinus Torvalds
1716542c1020SShinya Kuribayashiconfig CPU_R5500
1717542c1020SShinya Kuribayashi	bool "R5500"
1718542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1719542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1720542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
17219cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1722542c1020SShinya Kuribayashi	help
1723542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1724542c1020SShinya Kuribayashi	  instruction set.
1725542c1020SShinya Kuribayashi
17261da177e4SLinus Torvaldsconfig CPU_NEVADA
17271da177e4SLinus Torvalds	bool "RM52xx"
17287cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1729ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1730ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1731970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17321da177e4SLinus Torvalds	help
17331da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
17341da177e4SLinus Torvalds
17351da177e4SLinus Torvaldsconfig CPU_R10000
17361da177e4SLinus Torvalds	bool "R10000"
17377cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
17385e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1739ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1740ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1741797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1742970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17431da177e4SLinus Torvalds	help
17441da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
17451da177e4SLinus Torvalds
17461da177e4SLinus Torvaldsconfig CPU_RM7000
17471da177e4SLinus Torvalds	bool "RM7000"
17487cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
17495e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1750ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1751ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1752797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1753970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17541da177e4SLinus Torvalds
17551da177e4SLinus Torvaldsconfig CPU_SB1
17561da177e4SLinus Torvalds	bool "SB1"
17577cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1758ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1759ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1760797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1761970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17620004a9dfSRalf Baechle	select WEAK_ORDERING
17631da177e4SLinus Torvalds
1764a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1765a86c7f72SDavid Daney	bool "Cavium Octeon processor"
17665e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1767a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1768a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1769a86c7f72SDavid Daney	select WEAK_ORDERING
1770a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17719cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1772df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1773df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1774930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17750ae3abcdSJames Hogan	select HAVE_KVM
1776a86c7f72SDavid Daney	help
1777a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1778a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1779a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1780a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1781a86c7f72SDavid Daney
1782cd746249SJonas Gorskiconfig CPU_BMIPS
1783cd746249SJonas Gorski	bool "Broadcom BMIPS"
1784cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1785cd746249SJonas Gorski	select CPU_MIPS32
1786fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1787cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1788cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1789cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1790cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1791cd746249SJonas Gorski	select DMA_NONCOHERENT
179267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1793cd746249SJonas Gorski	select SWAP_IO_SPACE
1794cd746249SJonas Gorski	select WEAK_ORDERING
1795c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
179669aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1797a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1798a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1799c1c0c461SKevin Cernekee	help
1800fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1801c1c0c461SKevin Cernekee
18027f058e85SJayachandran Cconfig CPU_XLR
18037f058e85SJayachandran C	bool "Netlogic XLR SoC"
18047f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
18057f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
18067f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
18077f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1808970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
18097f058e85SJayachandran C	select WEAK_ORDERING
18107f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
18117f058e85SJayachandran C	help
18127f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
18131c773ea4SJayachandran C
18141c773ea4SJayachandran Cconfig CPU_XLP
18151c773ea4SJayachandran C	bool "Netlogic XLP SoC"
18161c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
18171c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
18181c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
18191c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
18201c773ea4SJayachandran C	select WEAK_ORDERING
18211c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
18221c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1823d6504846SJayachandran C	select CPU_MIPSR2
1824ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
18252db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
18261c773ea4SJayachandran C	help
18271c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
18281da177e4SLinus Torvaldsendchoice
18291da177e4SLinus Torvalds
1830a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1831a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1832a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
1833281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1834281e3aeaSSerge Semin		   CPU_P5600
1835a6e18781SLeonid Yegoshin	help
1836a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1837a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1838a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1839a6e18781SLeonid Yegoshin
1840a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1841a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1842a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1843a6e18781SLeonid Yegoshin	select EVA
1844a6e18781SLeonid Yegoshin	default y
1845a6e18781SLeonid Yegoshin	help
1846a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1847a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1848a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1849a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1850a6e18781SLeonid Yegoshin
1851c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1852c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1853c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1854281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1855c5b36783SSteven J. Hill	help
1856c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1857c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1858c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1859c5b36783SSteven J. Hill
1860c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1861c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1862c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1863c5b36783SSteven J. Hill	depends on !EVA
1864c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1865c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1866c5b36783SSteven J. Hill	select XPA
1867c5b36783SSteven J. Hill	select HIGHMEM
1868d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1869c5b36783SSteven J. Hill	default n
1870c5b36783SSteven J. Hill	help
1871c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1872c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1873c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1874c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1875c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1876c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1877c5b36783SSteven J. Hill
1878622844bfSWu Zhangjinif CPU_LOONGSON2F
1879622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1880622844bfSWu Zhangjin	bool
1881622844bfSWu Zhangjin
1882622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1883622844bfSWu Zhangjin	bool
1884622844bfSWu Zhangjin
1885622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1886622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1887622844bfSWu Zhangjin	default y
1888622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1889622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1890622844bfSWu Zhangjin	help
1891622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1892622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1893622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1894622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1895622844bfSWu Zhangjin
1896622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1897622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1898622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1899622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1900622844bfSWu Zhangjin	  systems.
1901622844bfSWu Zhangjin
1902622844bfSWu Zhangjin	  If unsure, please say Y.
1903622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1904622844bfSWu Zhangjin
19051b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
19061b93b3c3SWu Zhangjin	bool
19071b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
19081b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
190931c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
19101b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1911fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
19124e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
19131b93b3c3SWu Zhangjin
19141b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
19151b93b3c3SWu Zhangjin	bool
19161b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
19171b93b3c3SWu Zhangjin
1918dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1919dbb98314SAlban Bedel	bool
1920dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1921dbb98314SAlban Bedel
1922268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
19233702bba5SWu Zhangjin	bool
19243702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
19253702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
19263702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1927970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1928e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
19293702bba5SWu Zhangjin
1930b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1931ca585cf9SKelvin Cheung	bool
1932ca585cf9SKelvin Cheung	select CPU_MIPS32
19337e280f6bSJiaxun Yang	select CPU_MIPSR2
1934ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1935ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1936ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1937f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1938ca585cf9SKelvin Cheung
1939fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
194004fa8bf7SJonas Gorski	select SMP_UP if SMP
19411bbb6c1bSKevin Cernekee	bool
1942cd746249SJonas Gorski
1943cd746249SJonas Gorskiconfig CPU_BMIPS4350
1944cd746249SJonas Gorski	bool
1945cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1946cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1947cd746249SJonas Gorski
1948cd746249SJonas Gorskiconfig CPU_BMIPS4380
1949cd746249SJonas Gorski	bool
1950bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1951cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1952cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1953b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1954cd746249SJonas Gorski
1955cd746249SJonas Gorskiconfig CPU_BMIPS5000
1956cd746249SJonas Gorski	bool
1957cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1958bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1959cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1960cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1961b4720809SFlorian Fainelli	select CPU_HAS_RIXI
19621bbb6c1bSKevin Cernekee
1963268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
19640e476d91SHuacai Chen	bool
19650e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1966b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19670e476d91SHuacai Chen
19683702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19692a21c730SFuxin Zhang	bool
19702a21c730SFuxin Zhang
19716f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19726f7a251aSWu Zhangjin	bool
197355045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
197455045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
19756f7a251aSWu Zhangjin
1976ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1977ca585cf9SKelvin Cheung	bool
1978ca585cf9SKelvin Cheung
197912e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
198012e3280bSYang Ling	bool
198112e3280bSYang Ling
19827cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
19837cf8053bSRalf Baechle	bool
19847cf8053bSRalf Baechle
19857cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
19867cf8053bSRalf Baechle	bool
19877cf8053bSRalf Baechle
1988a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1989a6e18781SLeonid Yegoshin	bool
1990a6e18781SLeonid Yegoshin
1991c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1992c5b36783SSteven J. Hill	bool
19939ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1994c5b36783SSteven J. Hill
19957fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
19967fd08ca5SLeonid Yegoshin	bool
19979ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19987fd08ca5SLeonid Yegoshin
19997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
20007cf8053bSRalf Baechle	bool
20017cf8053bSRalf Baechle
20027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
20037cf8053bSRalf Baechle	bool
20047cf8053bSRalf Baechle
20057fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
20067fd08ca5SLeonid Yegoshin	bool
20079ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20087fd08ca5SLeonid Yegoshin
2009281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600
2010281e3aeaSSerge Semin	bool
2011281e3aeaSSerge Semin	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2012281e3aeaSSerge Semin
20137cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
20147cf8053bSRalf Baechle	bool
20157cf8053bSRalf Baechle
20167cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
20177cf8053bSRalf Baechle	bool
20187cf8053bSRalf Baechle
20197cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
20207cf8053bSRalf Baechle	bool
20217cf8053bSRalf Baechle
20227cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
20237cf8053bSRalf Baechle	bool
20247cf8053bSRalf Baechle
20257cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
20267cf8053bSRalf Baechle	bool
20277cf8053bSRalf Baechle
20287cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
20297cf8053bSRalf Baechle	bool
20307cf8053bSRalf Baechle
2031542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
2032542c1020SShinya Kuribayashi	bool
2033542c1020SShinya Kuribayashi
20347cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
20357cf8053bSRalf Baechle	bool
20367cf8053bSRalf Baechle
20377cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
20387cf8053bSRalf Baechle	bool
20399ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20407cf8053bSRalf Baechle
20417cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
20427cf8053bSRalf Baechle	bool
20437cf8053bSRalf Baechle
20447cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
20457cf8053bSRalf Baechle	bool
20467cf8053bSRalf Baechle
20475e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
20485e683389SDavid Daney	bool
20495e683389SDavid Daney
2050cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
2051c1c0c461SKevin Cernekee	bool
2052c1c0c461SKevin Cernekee
2053fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
2054c1c0c461SKevin Cernekee	bool
2055cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2056c1c0c461SKevin Cernekee
2057c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
2058c1c0c461SKevin Cernekee	bool
2059cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2060c1c0c461SKevin Cernekee
2061c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
2062c1c0c461SKevin Cernekee	bool
2063cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2064c1c0c461SKevin Cernekee
2065c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2066c1c0c461SKevin Cernekee	bool
2067cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2068f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
2069c1c0c461SKevin Cernekee
20707f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20717f058e85SJayachandran C	bool
20727f058e85SJayachandran C
20731c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20741c773ea4SJayachandran C	bool
20751c773ea4SJayachandran C
207617099b11SRalf Baechle#
207717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
207817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
207917099b11SRalf Baechle#
20800004a9dfSRalf Baechleconfig WEAK_ORDERING
20810004a9dfSRalf Baechle	bool
208217099b11SRalf Baechle
208317099b11SRalf Baechle#
208417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
208517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
208617099b11SRalf Baechle#
208717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
208817099b11SRalf Baechle	bool
20895e83d430SRalf Baechleendmenu
20905e83d430SRalf Baechle
20915e83d430SRalf Baechle#
20925e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
20935e83d430SRalf Baechle#
20945e83d430SRalf Baechleconfig CPU_MIPS32
20955e83d430SRalf Baechle	bool
2096ab7c01fdSSerge Semin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
2097281e3aeaSSerge Semin		     CPU_MIPS32_R6 || CPU_P5600
20985e83d430SRalf Baechle
20995e83d430SRalf Baechleconfig CPU_MIPS64
21005e83d430SRalf Baechle	bool
2101ab7c01fdSSerge Semin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
2102ab7c01fdSSerge Semin		     CPU_MIPS64_R6
21035e83d430SRalf Baechle
21045e83d430SRalf Baechle#
210557eeacedSPaul Burton# These indicate the revision of the architecture
21065e83d430SRalf Baechle#
21075e83d430SRalf Baechleconfig CPU_MIPSR1
21085e83d430SRalf Baechle	bool
21095e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
21105e83d430SRalf Baechle
21115e83d430SRalf Baechleconfig CPU_MIPSR2
21125e83d430SRalf Baechle	bool
2113a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
21148256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2115ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2116a7e07b1aSMarkos Chandras	select MIPS_SPRAM
21175e83d430SRalf Baechle
2118ab7c01fdSSerge Seminconfig CPU_MIPSR5
2119ab7c01fdSSerge Semin	bool
2120281e3aeaSSerge Semin	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
2121ab7c01fdSSerge Semin	select CPU_HAS_RIXI
2122ab7c01fdSSerge Semin	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2123ab7c01fdSSerge Semin	select MIPS_SPRAM
2124ab7c01fdSSerge Semin
21257fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
21267fd08ca5SLeonid Yegoshin	bool
21277fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
21288256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2129ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
213087321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
21312db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
21324a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2133a7e07b1aSMarkos Chandras	select MIPS_SPRAM
21345e83d430SRalf Baechle
213557eeacedSPaul Burtonconfig TARGET_ISA_REV
213657eeacedSPaul Burton	int
213757eeacedSPaul Burton	default 1 if CPU_MIPSR1
213857eeacedSPaul Burton	default 2 if CPU_MIPSR2
2139ab7c01fdSSerge Semin	default 5 if CPU_MIPSR5
214057eeacedSPaul Burton	default 6 if CPU_MIPSR6
214157eeacedSPaul Burton	default 0
214257eeacedSPaul Burton	help
214357eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
214457eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
214557eeacedSPaul Burton
2146a6e18781SLeonid Yegoshinconfig EVA
2147a6e18781SLeonid Yegoshin	bool
2148a6e18781SLeonid Yegoshin
2149c5b36783SSteven J. Hillconfig XPA
2150c5b36783SSteven J. Hill	bool
2151c5b36783SSteven J. Hill
21525e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
21535e83d430SRalf Baechle	bool
21545e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
21555e83d430SRalf Baechle	bool
21565e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
21575e83d430SRalf Baechle	bool
21585e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
21595e83d430SRalf Baechle	bool
216055045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
216155045ff5SWu Zhangjin	bool
216255045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
216355045ff5SWu Zhangjin	bool
21649cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
21659cffd154SDavid Daney	bool
2166171543e7SDaniel Silsby	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
216782622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
216882622284SDavid Daney	bool
2169cebf8c0fSPaul Burton	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
21705e83d430SRalf Baechle
21718192c9eaSDavid Daney#
21728192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
21738192c9eaSDavid Daney#
21748192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
21758192c9eaSDavid Daney	bool
2176679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
21778192c9eaSDavid Daney
21785e83d430SRalf Baechlemenu "Kernel type"
21795e83d430SRalf Baechle
21805e83d430SRalf Baechlechoice
21815e83d430SRalf Baechle	prompt "Kernel code model"
21825e83d430SRalf Baechle	help
21835e83d430SRalf Baechle	  You should only select this option if you have a workload that
21845e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
21855e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
21865e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
21875e83d430SRalf Baechle
21885e83d430SRalf Baechleconfig 32BIT
21895e83d430SRalf Baechle	bool "32-bit kernel"
21905e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
21915e83d430SRalf Baechle	select TRAD_SIGNALS
21925e83d430SRalf Baechle	help
21935e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2194f17c4ca3SRalf Baechle
21955e83d430SRalf Baechleconfig 64BIT
21965e83d430SRalf Baechle	bool "64-bit kernel"
21975e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21985e83d430SRalf Baechle	help
21995e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
22005e83d430SRalf Baechle
22015e83d430SRalf Baechleendchoice
22025e83d430SRalf Baechle
22032235a54dSSanjay Lalconfig KVM_GUEST
22042235a54dSSanjay Lal	bool "KVM Guest Kernel"
2205f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
22062235a54dSSanjay Lal	help
2207caa1faa7SJames Hogan	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2208caa1faa7SJames Hogan	  mode.
22092235a54dSSanjay Lal
2210eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
2211eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
22122235a54dSSanjay Lal	depends on KVM_GUEST
2213eda3d33cSJames Hogan	default 100
22142235a54dSSanjay Lal	help
2215eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2216eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
2217eda3d33cSJames Hogan	  timer frequency is specified directly.
22182235a54dSSanjay Lal
22191e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
22201e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
22211e321fa9SLeonid Yegoshin	depends on 64BIT
22221e321fa9SLeonid Yegoshin	help
22233377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
22243377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
22253377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
22263377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
22273377e227SAlex Belits	  level of page tables is added which imposes both a memory
22283377e227SAlex Belits	  overhead as well as slower TLB fault handling.
22293377e227SAlex Belits
22301e321fa9SLeonid Yegoshin	  If unsure, say N.
22311e321fa9SLeonid Yegoshin
22321da177e4SLinus Torvaldschoice
22331da177e4SLinus Torvalds	prompt "Kernel page size"
22341da177e4SLinus Torvalds	default PAGE_SIZE_4KB
22351da177e4SLinus Torvalds
22361da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
22371da177e4SLinus Torvalds	bool "4kB"
2238268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
22391da177e4SLinus Torvalds	help
22401da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
22411da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
22421da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
22431da177e4SLinus Torvalds	  recommended for low memory systems.
22441da177e4SLinus Torvalds
22451da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
22461da177e4SLinus Torvalds	bool "8kB"
2247c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
22481e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
22491da177e4SLinus Torvalds	help
22501da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
22511da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2252c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2253c2aeaaeaSPaul Burton	  distribution to support this.
22541da177e4SLinus Torvalds
22551da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
22561da177e4SLinus Torvalds	bool "16kB"
2257714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
22581da177e4SLinus Torvalds	help
22591da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
22601da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2261714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2262714bfad6SRalf Baechle	  Linux distribution to support this.
22631da177e4SLinus Torvalds
2264c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2265c52399beSRalf Baechle	bool "32kB"
2266c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
22671e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2268c52399beSRalf Baechle	help
2269c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2270c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2271c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2272c52399beSRalf Baechle	  distribution to support this.
2273c52399beSRalf Baechle
22741da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22751da177e4SLinus Torvalds	bool "64kB"
22763b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22771da177e4SLinus Torvalds	help
22781da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22791da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22801da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2281714bfad6SRalf Baechle	  writing this option is still high experimental.
22821da177e4SLinus Torvalds
22831da177e4SLinus Torvaldsendchoice
22841da177e4SLinus Torvalds
2285c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2286c9bace7cSDavid Daney	int "Maximum zone order"
2287e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2288e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2289e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2290e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2291e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2292e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2293c9bace7cSDavid Daney	range 11 64
2294c9bace7cSDavid Daney	default "11"
2295c9bace7cSDavid Daney	help
2296c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2297c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2298c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2299c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2300c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2301c9bace7cSDavid Daney	  increase this value.
2302c9bace7cSDavid Daney
2303c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2304c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2305c9bace7cSDavid Daney
2306c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2307c9bace7cSDavid Daney	  when choosing a value for this option.
2308c9bace7cSDavid Daney
23091da177e4SLinus Torvaldsconfig BOARD_SCACHE
23101da177e4SLinus Torvalds	bool
23111da177e4SLinus Torvalds
23121da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
23131da177e4SLinus Torvalds	bool
23141da177e4SLinus Torvalds	select BOARD_SCACHE
23151da177e4SLinus Torvalds
23169318c51aSChris Dearman#
23179318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
23189318c51aSChris Dearman#
23199318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
23209318c51aSChris Dearman	bool
23219318c51aSChris Dearman	select BOARD_SCACHE
23229318c51aSChris Dearman
23231da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
23241da177e4SLinus Torvalds	bool
23251da177e4SLinus Torvalds	select BOARD_SCACHE
23261da177e4SLinus Torvalds
23271da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
23281da177e4SLinus Torvalds	bool
23291da177e4SLinus Torvalds	select BOARD_SCACHE
23301da177e4SLinus Torvalds
23311da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
23321da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
23331da177e4SLinus Torvalds	depends on CPU_SB1
23341da177e4SLinus Torvalds	help
23351da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
23361da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
23371da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
23381da177e4SLinus Torvalds
23391da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2340c8094b53SRalf Baechle	bool
23411da177e4SLinus Torvalds
23423165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
23433165c846SFlorian Fainelli	bool
2344c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
23453165c846SFlorian Fainelli
2346c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2347183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2348183b40f9SPaul Burton	default y
2349183b40f9SPaul Burton	help
2350183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2351183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2352183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2353183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2354183b40f9SPaul Burton	  receive a SIGILL.
2355183b40f9SPaul Burton
2356183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2357183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2358183b40f9SPaul Burton
2359183b40f9SPaul Burton	  If unsure, say y.
2360c92e47e5SPaul Burton
236197f7dcbfSPaul Burtonconfig CPU_R2300_FPU
236297f7dcbfSPaul Burton	bool
2363c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
236497f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
236597f7dcbfSPaul Burton
236654746829SPaul Burtonconfig CPU_R3K_TLB
236754746829SPaul Burton	bool
236854746829SPaul Burton
236991405eb6SFlorian Fainelliconfig CPU_R4K_FPU
237091405eb6SFlorian Fainelli	bool
2371c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
237297f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
237391405eb6SFlorian Fainelli
237462cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
237562cedc4fSFlorian Fainelli	bool
237654746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
237762cedc4fSFlorian Fainelli
237859d6ab86SRalf Baechleconfig MIPS_MT_SMP
2379a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23805cbf9688SPaul Burton	default y
2381527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
238259d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2383d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2384c080faa5SSteven J. Hill	select SYNC_R4K
238559d6ab86SRalf Baechle	select MIPS_MT
238659d6ab86SRalf Baechle	select SMP
238787353d8aSRalf Baechle	select SMP_UP
2388c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2389c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2390399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
239159d6ab86SRalf Baechle	help
2392c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2393c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2394c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2395c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2396c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
239759d6ab86SRalf Baechle
2398f41ae0b2SRalf Baechleconfig MIPS_MT
2399f41ae0b2SRalf Baechle	bool
2400f41ae0b2SRalf Baechle
24010ab7aefcSRalf Baechleconfig SCHED_SMT
24020ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
24030ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
24040ab7aefcSRalf Baechle	default n
24050ab7aefcSRalf Baechle	help
24060ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
24070ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
24080ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
24090ab7aefcSRalf Baechle
24100ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
24110ab7aefcSRalf Baechle	bool
24120ab7aefcSRalf Baechle
2413f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2414f41ae0b2SRalf Baechle	bool
2415f41ae0b2SRalf Baechle
2416f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2417f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2418f088fc84SRalf Baechle	default y
2419b633648cSRalf Baechle	depends on MIPS_MT_SMP
242007cc0c9eSRalf Baechle
2421b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2422b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
24239eaa9a82SPaul Burton	depends on CPU_MIPSR6
2424c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2425b0a668fbSLeonid Yegoshin	default y
2426b0a668fbSLeonid Yegoshin	help
2427b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2428b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
242907edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2430b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2431b0a668fbSLeonid Yegoshin	  final kernel image.
2432b0a668fbSLeonid Yegoshin
2433f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2434f35764e7SJames Hogan	bool
2435f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2436f35764e7SJames Hogan	help
2437f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2438f35764e7SJames Hogan	  physical_memsize.
2439f35764e7SJames Hogan
244007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
244107cc0c9eSRalf Baechle	bool "VPE loader support."
2442f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
244307cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
244407cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
244507cc0c9eSRalf Baechle	select MIPS_MT
244607cc0c9eSRalf Baechle	help
244707cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
244807cc0c9eSRalf Baechle	  onto another VPE and running it.
2449f088fc84SRalf Baechle
245017a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
245117a1d523SDeng-Cheng Zhu	bool
245217a1d523SDeng-Cheng Zhu	default "y"
245317a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
245417a1d523SDeng-Cheng Zhu
24551a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
24561a2a6d7eSDeng-Cheng Zhu	bool
24571a2a6d7eSDeng-Cheng Zhu	default "y"
24581a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
24591a2a6d7eSDeng-Cheng Zhu
2460e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2461e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2462e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2463e01402b1SRalf Baechle	default y
2464e01402b1SRalf Baechle	help
2465e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2466e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2467e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2468e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2469e01402b1SRalf Baechle
2470e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2471e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2472e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2473e01402b1SRalf Baechle
2474da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2475da615cf6SDeng-Cheng Zhu	bool
2476da615cf6SDeng-Cheng Zhu	default "y"
2477da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2478da615cf6SDeng-Cheng Zhu
24792c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24802c973ef0SDeng-Cheng Zhu	bool
24812c973ef0SDeng-Cheng Zhu	default "y"
24822c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24832c973ef0SDeng-Cheng Zhu
24844a16ff4cSRalf Baechleconfig MIPS_CMP
24855cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24865676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2487b10b43baSMarkos Chandras	select SMP
2488eb9b5141STim Anderson	select SYNC_R4K
2489b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
24904a16ff4cSRalf Baechle	select WEAK_ORDERING
24914a16ff4cSRalf Baechle	default n
24924a16ff4cSRalf Baechle	help
2493044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2494044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2495044505c7SPaul Burton	  its ability to start secondary CPUs.
24964a16ff4cSRalf Baechle
24975cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
24985cac93b3SPaul Burton	  instead of this.
24995cac93b3SPaul Burton
25000ee958e1SPaul Burtonconfig MIPS_CPS
25010ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
25025a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
25030ee958e1SPaul Burton	select MIPS_CM
25041d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
25050ee958e1SPaul Burton	select SMP
25060ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
25071d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2508c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
25090ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
25100ee958e1SPaul Burton	select WEAK_ORDERING
25110ee958e1SPaul Burton	help
25120ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
25130ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
25140ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
25150ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
25160ee958e1SPaul Burton	  support is unavailable.
25170ee958e1SPaul Burton
25183179d37eSPaul Burtonconfig MIPS_CPS_PM
251939a59593SMarkos Chandras	depends on MIPS_CPS
25203179d37eSPaul Burton	bool
25213179d37eSPaul Burton
25229f98f3ddSPaul Burtonconfig MIPS_CM
25239f98f3ddSPaul Burton	bool
25243c9b4166SPaul Burton	select MIPS_CPC
25259f98f3ddSPaul Burton
25269c38cf44SPaul Burtonconfig MIPS_CPC
25279c38cf44SPaul Burton	bool
25282600990eSRalf Baechle
25291da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
25301da177e4SLinus Torvalds	bool
25311da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
25321da177e4SLinus Torvalds	default y
25331da177e4SLinus Torvalds
25341da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
25351da177e4SLinus Torvalds	bool
25361da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
25371da177e4SLinus Torvalds	default y
25381da177e4SLinus Torvalds
25399e2b5372SMarkos Chandraschoice
25409e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
25419e2b5372SMarkos Chandras
25429e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
25439e2b5372SMarkos Chandras	bool "None"
25449e2b5372SMarkos Chandras	help
25459e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
25469e2b5372SMarkos Chandras
25479693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
25489693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
25499e2b5372SMarkos Chandras	bool "SmartMIPS"
25509693a853SFranck Bui-Huu	help
25519693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
25529693a853SFranck Bui-Huu	  increased security at both hardware and software level for
25539693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
25549693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
25559693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
25569693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
25579693a853SFranck Bui-Huu	  here.
25589693a853SFranck Bui-Huu
2559bce86083SSteven J. Hillconfig CPU_MICROMIPS
25607fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
25619e2b5372SMarkos Chandras	bool "microMIPS"
2562bce86083SSteven J. Hill	help
2563bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2564bce86083SSteven J. Hill	  microMIPS ISA
2565bce86083SSteven J. Hill
25669e2b5372SMarkos Chandrasendchoice
25679e2b5372SMarkos Chandras
2568a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
25690ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2570a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2571c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
25722a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2573a5e9a69eSPaul Burton	help
2574a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2575a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
25761db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25771db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25781db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25791db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25801db1af84SPaul Burton	  the size & complexity of your kernel.
2581a5e9a69eSPaul Burton
2582a5e9a69eSPaul Burton	  If unsure, say Y.
2583a5e9a69eSPaul Burton
25841da177e4SLinus Torvaldsconfig CPU_HAS_WB
2585f7062ddbSRalf Baechle	bool
2586e01402b1SRalf Baechle
2587df0ac8a4SKevin Cernekeeconfig XKS01
2588df0ac8a4SKevin Cernekee	bool
2589df0ac8a4SKevin Cernekee
2590ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2591ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2592ba9196d2SJiaxun Yang	bool
2593ba9196d2SJiaxun Yang
2594ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2595ba9196d2SJiaxun Yang	bool
2596ba9196d2SJiaxun Yang
25978256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
25988256b17eSFlorian Fainelli	bool
25998256b17eSFlorian Fainelli
260018d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2601932afdeeSYasha Cherikovsky	bool
2602932afdeeSYasha Cherikovsky	help
260318d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2604932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
260518d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
260618d84e2eSAlexander Lobakin	  systems).
2607932afdeeSYasha Cherikovsky
2608f41ae0b2SRalf Baechle#
2609f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2610f41ae0b2SRalf Baechle#
2611e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2612f41ae0b2SRalf Baechle	bool
2613e01402b1SRalf Baechle
2614f41ae0b2SRalf Baechle#
2615f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2616f41ae0b2SRalf Baechle#
2617e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2618f41ae0b2SRalf Baechle	bool
2619e01402b1SRalf Baechle
26201da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
26211da177e4SLinus Torvalds	bool
26221da177e4SLinus Torvalds	depends on !CPU_R3000
26231da177e4SLinus Torvalds	default y
26241da177e4SLinus Torvalds
26251da177e4SLinus Torvalds#
262620d60d99SMaciej W. Rozycki# CPU non-features
262720d60d99SMaciej W. Rozycki#
262820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
262920d60d99SMaciej W. Rozycki	bool
263020d60d99SMaciej W. Rozycki
263120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
263220d60d99SMaciej W. Rozycki	bool
263320d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
263420d60d99SMaciej W. Rozycki
263520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
263620d60d99SMaciej W. Rozycki	bool
263720d60d99SMaciej W. Rozycki
2638071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2639071d2f0bSPaul Burton	bool
2640071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2641071d2f0bSPaul Burton
26424edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
26434edf00a4SPaul Burton	int
26444edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26454edf00a4SPaul Burton	default 0
26464edf00a4SPaul Burton
26474edf00a4SPaul Burtonconfig MIPS_ASID_BITS
26484edf00a4SPaul Burton	int
26492db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
26504edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26514edf00a4SPaul Burton	default 8
26524edf00a4SPaul Burton
26532db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
26542db003a5SPaul Burton	bool
26552db003a5SPaul Burton
26564a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
26574a5dc51eSMarcin Nowakowski	bool
26584a5dc51eSMarcin Nowakowski
265920d60d99SMaciej W. Rozycki#
26601da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
26611da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
26621da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
26631da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
26641da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
26651da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
26661da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
26671da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2668797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2669797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2670797798c1SRalf Baechle#   support.
26711da177e4SLinus Torvalds#
26721da177e4SLinus Torvaldsconfig HIGHMEM
26731da177e4SLinus Torvalds	bool "High Memory Support"
2674a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2675797798c1SRalf Baechle
2676797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2677797798c1SRalf Baechle	bool
2678797798c1SRalf Baechle
2679797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2680797798c1SRalf Baechle	bool
26811da177e4SLinus Torvalds
26829693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26839693a853SFranck Bui-Huu	bool
26849693a853SFranck Bui-Huu
2685a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2686a6a4834cSSteven J. Hill	bool
2687a6a4834cSSteven J. Hill
2688377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2689377cb1b6SRalf Baechle	bool
2690377cb1b6SRalf Baechle	help
2691377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2692377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2693377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2694377cb1b6SRalf Baechle
2695a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2696a5e9a69eSPaul Burton	bool
2697a5e9a69eSPaul Burton
2698b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2699b4819b59SYoichi Yuasa	def_bool y
2700268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2701b4819b59SYoichi Yuasa
2702b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2703b1c6cd42SAtsushi Nemoto	bool
2704397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
270531473747SAtsushi Nemoto
2706d8cb4e11SRalf Baechleconfig NUMA
2707d8cb4e11SRalf Baechle	bool "NUMA Support"
2708d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2709d8cb4e11SRalf Baechle	help
2710d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2711d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2712d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2713172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2714d8cb4e11SRalf Baechle	  disabled.
2715d8cb4e11SRalf Baechle
2716d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2717d8cb4e11SRalf Baechle	bool
2718d8cb4e11SRalf Baechle
2719f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA
2720f3c560a6SThomas Bogendoerfer	def_bool y
2721f3c560a6SThomas Bogendoerfer	depends on NUMA
2722f3c560a6SThomas Bogendoerfer
2723f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK
2724f3c560a6SThomas Bogendoerfer	def_bool y
2725f3c560a6SThomas Bogendoerfer	depends on NUMA
2726f3c560a6SThomas Bogendoerfer
27278c530ea3SMatt Redfearnconfig RELOCATABLE
27288c530ea3SMatt Redfearn	bool "Relocatable kernel"
2729ab7c01fdSSerge Semin	depends on SYS_SUPPORTS_RELOCATABLE
2730ab7c01fdSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2731ab7c01fdSSerge Semin		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2732ab7c01fdSSerge Semin		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2733281e3aeaSSerge Semin		   CPU_P5600 || CAVIUM_OCTEON_SOC
27348c530ea3SMatt Redfearn	help
27358c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
27368c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
27378c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
27388c530ea3SMatt Redfearn	  but are discarded at runtime
27398c530ea3SMatt Redfearn
2740069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2741069fd766SMatt Redfearn	hex "Relocation table size"
2742069fd766SMatt Redfearn	depends on RELOCATABLE
2743069fd766SMatt Redfearn	range 0x0 0x01000000
2744069fd766SMatt Redfearn	default "0x00100000"
2745069fd766SMatt Redfearn	---help---
2746069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2747069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2748069fd766SMatt Redfearn
2749069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2750069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2751069fd766SMatt Redfearn
2752069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2753069fd766SMatt Redfearn
2754069fd766SMatt Redfearn	  If unsure, leave at the default value.
2755069fd766SMatt Redfearn
2756405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2757405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2758405bc8fdSMatt Redfearn	depends on RELOCATABLE
2759405bc8fdSMatt Redfearn	---help---
2760405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2761405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2762405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2763405bc8fdSMatt Redfearn	  of kernel internals.
2764405bc8fdSMatt Redfearn
2765405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2766405bc8fdSMatt Redfearn
2767405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2768405bc8fdSMatt Redfearn
2769405bc8fdSMatt Redfearn	  If unsure, say N.
2770405bc8fdSMatt Redfearn
2771405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2772405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2773405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2774405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2775405bc8fdSMatt Redfearn	range 0x0 0x08000000
2776405bc8fdSMatt Redfearn	default "0x01000000"
2777405bc8fdSMatt Redfearn	---help---
2778405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2779405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2780405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2781405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2782405bc8fdSMatt Redfearn
2783405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2784405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2785405bc8fdSMatt Redfearn
2786c80d79d7SYasunori Gotoconfig NODES_SHIFT
2787c80d79d7SYasunori Goto	int
2788c80d79d7SYasunori Goto	default "6"
2789c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2790c80d79d7SYasunori Goto
279114f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
279214f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
2793268a2d60SJiaxun Yang	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
279414f70012SDeng-Cheng Zhu	default y
279514f70012SDeng-Cheng Zhu	help
279614f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
279714f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
279814f70012SDeng-Cheng Zhu
2799be8fa1cbSTiezhu Yangconfig DMI
2800be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2801be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2802be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2803be8fa1cbSTiezhu Yang	default y
2804be8fa1cbSTiezhu Yang	help
2805be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2806be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2807be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2808be8fa1cbSTiezhu Yang	  BIOS code.
2809be8fa1cbSTiezhu Yang
28101da177e4SLinus Torvaldsconfig SMP
28111da177e4SLinus Torvalds	bool "Multi-Processing support"
2812e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2813e73ea273SRalf Baechle	help
28141da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
28154a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
28164a474157SRobert Graffham	  than one CPU, say Y.
28171da177e4SLinus Torvalds
28184a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
28191da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
28201da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
28214a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
28221da177e4SLinus Torvalds	  will run faster if you say N here.
28231da177e4SLinus Torvalds
28241da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
28251da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
28261da177e4SLinus Torvalds
282703502faaSAdrian Bunk	  See also the SMP-HOWTO available at
282803502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
28291da177e4SLinus Torvalds
28301da177e4SLinus Torvalds	  If you don't know what to do here, say N.
28311da177e4SLinus Torvalds
28327840d618SMatt Redfearnconfig HOTPLUG_CPU
28337840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
28347840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
28357840d618SMatt Redfearn	help
28367840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
28377840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
28387840d618SMatt Redfearn	  (Note: power management support will enable this option
28397840d618SMatt Redfearn	    automatically on SMP systems. )
28407840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
28417840d618SMatt Redfearn
284287353d8aSRalf Baechleconfig SMP_UP
284387353d8aSRalf Baechle	bool
284487353d8aSRalf Baechle
28454a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
28464a16ff4cSRalf Baechle	bool
28474a16ff4cSRalf Baechle
28480ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
28490ee958e1SPaul Burton	bool
28500ee958e1SPaul Burton
2851e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2852e73ea273SRalf Baechle	bool
2853e73ea273SRalf Baechle
2854130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2855130e2fb7SRalf Baechle	bool
2856130e2fb7SRalf Baechle
2857130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2858130e2fb7SRalf Baechle	bool
2859130e2fb7SRalf Baechle
2860130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2861130e2fb7SRalf Baechle	bool
2862130e2fb7SRalf Baechle
2863130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2864130e2fb7SRalf Baechle	bool
2865130e2fb7SRalf Baechle
2866130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2867130e2fb7SRalf Baechle	bool
2868130e2fb7SRalf Baechle
28691da177e4SLinus Torvaldsconfig NR_CPUS
2870a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2871a91796a9SJayachandran C	range 2 256
28721da177e4SLinus Torvalds	depends on SMP
2873130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2874130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2875130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2876130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2877130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
28781da177e4SLinus Torvalds	help
28791da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
28801da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
28811da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
288272ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
288372ede9b1SAtsushi Nemoto	  and 2 for all others.
28841da177e4SLinus Torvalds
28851da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
288672ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
288772ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
288872ede9b1SAtsushi Nemoto	  power of two.
28891da177e4SLinus Torvalds
2890399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2891399aaa25SAl Cooper	bool
2892399aaa25SAl Cooper
28937820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28947820b84bSDavid Daney	bool
28957820b84bSDavid Daney
28967820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28977820b84bSDavid Daney	int
28987820b84bSDavid Daney	depends on SMP
28997820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
29007820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
29017820b84bSDavid Daney
29021723b4a3SAtsushi Nemoto#
29031723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
29041723b4a3SAtsushi Nemoto#
29051723b4a3SAtsushi Nemoto
29061723b4a3SAtsushi Nemotochoice
29071723b4a3SAtsushi Nemoto	prompt "Timer frequency"
29081723b4a3SAtsushi Nemoto	default HZ_250
29091723b4a3SAtsushi Nemoto	help
29101723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
29111723b4a3SAtsushi Nemoto
291267596573SPaul Burton	config HZ_24
291367596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
291467596573SPaul Burton
29151723b4a3SAtsushi Nemoto	config HZ_48
29160f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
29171723b4a3SAtsushi Nemoto
29181723b4a3SAtsushi Nemoto	config HZ_100
29191723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
29201723b4a3SAtsushi Nemoto
29211723b4a3SAtsushi Nemoto	config HZ_128
29221723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
29231723b4a3SAtsushi Nemoto
29241723b4a3SAtsushi Nemoto	config HZ_250
29251723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
29261723b4a3SAtsushi Nemoto
29271723b4a3SAtsushi Nemoto	config HZ_256
29281723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
29291723b4a3SAtsushi Nemoto
29301723b4a3SAtsushi Nemoto	config HZ_1000
29311723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
29321723b4a3SAtsushi Nemoto
29331723b4a3SAtsushi Nemoto	config HZ_1024
29341723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
29351723b4a3SAtsushi Nemoto
29361723b4a3SAtsushi Nemotoendchoice
29371723b4a3SAtsushi Nemoto
293867596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
293967596573SPaul Burton	bool
294067596573SPaul Burton
29411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
29421723b4a3SAtsushi Nemoto	bool
29431723b4a3SAtsushi Nemoto
29441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
29451723b4a3SAtsushi Nemoto	bool
29461723b4a3SAtsushi Nemoto
29471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
29481723b4a3SAtsushi Nemoto	bool
29491723b4a3SAtsushi Nemoto
29501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
29511723b4a3SAtsushi Nemoto	bool
29521723b4a3SAtsushi Nemoto
29531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
29541723b4a3SAtsushi Nemoto	bool
29551723b4a3SAtsushi Nemoto
29561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
29571723b4a3SAtsushi Nemoto	bool
29581723b4a3SAtsushi Nemoto
29591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
29601723b4a3SAtsushi Nemoto	bool
29611723b4a3SAtsushi Nemoto
29621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
29631723b4a3SAtsushi Nemoto	bool
296467596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
296567596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
296667596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
296767596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
296867596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
296967596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
297067596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
29711723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
29721723b4a3SAtsushi Nemoto
29731723b4a3SAtsushi Nemotoconfig HZ
29741723b4a3SAtsushi Nemoto	int
297567596573SPaul Burton	default 24 if HZ_24
29761723b4a3SAtsushi Nemoto	default 48 if HZ_48
29771723b4a3SAtsushi Nemoto	default 100 if HZ_100
29781723b4a3SAtsushi Nemoto	default 128 if HZ_128
29791723b4a3SAtsushi Nemoto	default 250 if HZ_250
29801723b4a3SAtsushi Nemoto	default 256 if HZ_256
29811723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
29821723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
29831723b4a3SAtsushi Nemoto
298496685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
298596685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
298696685b17SDeng-Cheng Zhu
2987ea6e942bSAtsushi Nemotoconfig KEXEC
29887d60717eSKees Cook	bool "Kexec system call"
29892965faa5SDave Young	select KEXEC_CORE
2990ea6e942bSAtsushi Nemoto	help
2991ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2992ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29933dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2994ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2995ea6e942bSAtsushi Nemoto
299601dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2997ea6e942bSAtsushi Nemoto
2998ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2999ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
3000bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
3001bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
3002bf220695SGeert Uytterhoeven	  made.
3003ea6e942bSAtsushi Nemoto
30047aa1c8f4SRalf Baechleconfig CRASH_DUMP
30057aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
30067aa1c8f4SRalf Baechle	help
30077aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
30087aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
30097aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
30107aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
30117aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
30127aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
30137aa1c8f4SRalf Baechle	  PHYSICAL_START.
30147aa1c8f4SRalf Baechle
30157aa1c8f4SRalf Baechleconfig PHYSICAL_START
30167aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
30178bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
30187aa1c8f4SRalf Baechle	depends on CRASH_DUMP
30197aa1c8f4SRalf Baechle	help
30207aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
30217aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
30227aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
30237aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
30247aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
30257aa1c8f4SRalf Baechle
3026ea6e942bSAtsushi Nemotoconfig SECCOMP
3027ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
3028293c5bd1SRalf Baechle	depends on PROC_FS
3029ea6e942bSAtsushi Nemoto	default y
3030ea6e942bSAtsushi Nemoto	help
3031ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
3032ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
3033ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
3034ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
3035ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
3036ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
3037ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
3038ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
3039ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
3040ea6e942bSAtsushi Nemoto
3041ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
3042ea6e942bSAtsushi Nemoto
3043597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
3044b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
3045597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
3046597ce172SPaul Burton	help
3047597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
3048597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
3049597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
3050597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
3051597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
3052597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
3053597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
3054597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
3055597ce172SPaul Burton	  saying N here.
3056597ce172SPaul Burton
305706e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
305806e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
305906e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
306006e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
306106e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
306206e2e882SPaul Burton	  said details.
306306e2e882SPaul Burton
306406e2e882SPaul Burton	  If unsure, say N.
3065597ce172SPaul Burton
3066f2ffa5abSDezhong Diaoconfig USE_OF
30670b3e06fdSJonas Gorski	bool
3068f2ffa5abSDezhong Diao	select OF
3069e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3070abd2363fSGrant Likely	select IRQ_DOMAIN
3071f2ffa5abSDezhong Diao
30722fe8ea39SDengcheng Zhuconfig UHI_BOOT
30732fe8ea39SDengcheng Zhu	bool
30742fe8ea39SDengcheng Zhu
30757fafb068SAndrew Brestickerconfig BUILTIN_DTB
30767fafb068SAndrew Bresticker	bool
30777fafb068SAndrew Bresticker
30781da8f179SJonas Gorskichoice
30795b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
30801da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
30811da8f179SJonas Gorski
30821da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
30831da8f179SJonas Gorski		bool "None"
30841da8f179SJonas Gorski		help
30851da8f179SJonas Gorski		  Do not enable appended dtb support.
30861da8f179SJonas Gorski
308787db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
308887db537dSAaro Koskinen		bool "vmlinux"
308987db537dSAaro Koskinen		help
309087db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
309187db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
309287db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
309387db537dSAaro Koskinen		  objcopy:
309487db537dSAaro Koskinen
309587db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
309687db537dSAaro Koskinen
309787db537dSAaro Koskinen		  This is meant as a backward compatiblity convenience for those
309887db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
309987db537dSAaro Koskinen		  the documented boot protocol using a device tree.
310087db537dSAaro Koskinen
31011da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3102b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
31031da8f179SJonas Gorski		help
31041da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3105b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
31061da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
31071da8f179SJonas Gorski
31081da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
31091da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
31101da8f179SJonas Gorski		  the documented boot protocol using a device tree.
31111da8f179SJonas Gorski
31121da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
31131da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
31141da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
31151da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
31161da8f179SJonas Gorski		  if you don't intend to always append a DTB.
31171da8f179SJonas Gorskiendchoice
31181da8f179SJonas Gorski
31192024972eSJonas Gorskichoice
31202024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
31212bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
312287fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
31232bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
31242024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
31252024972eSJonas Gorski
31262024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
31272024972eSJonas Gorski		depends on USE_OF
31282024972eSJonas Gorski		bool "Dtb kernel arguments if available"
31292024972eSJonas Gorski
31302024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
31312024972eSJonas Gorski		depends on USE_OF
31322024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
31332024972eSJonas Gorski
31342024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
31352024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3136ed47e153SRabin Vincent
3137ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3138ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3139ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
31402024972eSJonas Gorskiendchoice
31412024972eSJonas Gorski
31425e83d430SRalf Baechleendmenu
31435e83d430SRalf Baechle
31441df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
31451df0f0ffSAtsushi Nemoto	bool
31461df0f0ffSAtsushi Nemoto	default y
31471df0f0ffSAtsushi Nemoto
31481df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
31491df0f0ffSAtsushi Nemoto	bool
31501df0f0ffSAtsushi Nemoto	default y
31511df0f0ffSAtsushi Nemoto
3152a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3153a728ab52SKirill A. Shutemov	int
31543377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3155a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3156a728ab52SKirill A. Shutemov	default 2
3157a728ab52SKirill A. Shutemov
31586c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
31596c359eb1SPaul Burton	bool
31606c359eb1SPaul Burton
31611da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
31621da177e4SLinus Torvalds
3163c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
31642eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3165c5611df9SPaul Burton	bool
3166c5611df9SPaul Burton
3167c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3168c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3169c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
31702eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
31711da177e4SLinus Torvalds
31721da177e4SLinus Torvalds#
31731da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
31741da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
31751da177e4SLinus Torvalds# users to choose the right thing ...
31761da177e4SLinus Torvalds#
31771da177e4SLinus Torvaldsconfig ISA
31781da177e4SLinus Torvalds	bool
31791da177e4SLinus Torvalds
31801da177e4SLinus Torvaldsconfig TC
31811da177e4SLinus Torvalds	bool "TURBOchannel support"
31821da177e4SLinus Torvalds	depends on MACH_DECSTATION
31831da177e4SLinus Torvalds	help
318450a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
318550a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
318650a23e6eSJustin P. Mattock	  at:
318750a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
318850a23e6eSJustin P. Mattock	  and:
318950a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
319050a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
319150a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31921da177e4SLinus Torvalds
31931da177e4SLinus Torvaldsconfig MMU
31941da177e4SLinus Torvalds	bool
31951da177e4SLinus Torvalds	default y
31961da177e4SLinus Torvalds
3197109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3198109c32ffSMatt Redfearn	default 12 if 64BIT
3199109c32ffSMatt Redfearn	default 8
3200109c32ffSMatt Redfearn
3201109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3202109c32ffSMatt Redfearn	default 18 if 64BIT
3203109c32ffSMatt Redfearn	default 15
3204109c32ffSMatt Redfearn
3205109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3206109c32ffSMatt Redfearn	default 8
3207109c32ffSMatt Redfearn
3208109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3209109c32ffSMatt Redfearn	default 15
3210109c32ffSMatt Redfearn
3211d865bea4SRalf Baechleconfig I8253
3212d865bea4SRalf Baechle	bool
3213798778b8SRussell King	select CLKSRC_I8253
32142d02612fSThomas Gleixner	select CLKEVT_I8253
32159726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3216d865bea4SRalf Baechle
3217e05eb3f8SRalf Baechleconfig ZONE_DMA
3218e05eb3f8SRalf Baechle	bool
3219e05eb3f8SRalf Baechle
3220cce335aeSRalf Baechleconfig ZONE_DMA32
3221cce335aeSRalf Baechle	bool
3222cce335aeSRalf Baechle
32231da177e4SLinus Torvaldsendmenu
32241da177e4SLinus Torvalds
32251da177e4SLinus Torvaldsconfig TRAD_SIGNALS
32261da177e4SLinus Torvalds	bool
32271da177e4SLinus Torvalds
32281da177e4SLinus Torvaldsconfig MIPS32_COMPAT
322978aaf956SRalf Baechle	bool
32301da177e4SLinus Torvalds
32311da177e4SLinus Torvaldsconfig COMPAT
32321da177e4SLinus Torvalds	bool
32331da177e4SLinus Torvalds
323405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
323505e43966SAtsushi Nemoto	bool
323605e43966SAtsushi Nemoto
32371da177e4SLinus Torvaldsconfig MIPS32_O32
32381da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
323978aaf956SRalf Baechle	depends on 64BIT
324078aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
324178aaf956SRalf Baechle	select COMPAT
324278aaf956SRalf Baechle	select MIPS32_COMPAT
324378aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
32441da177e4SLinus Torvalds	help
32451da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
32461da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
32471da177e4SLinus Torvalds	  existing binaries are in this format.
32481da177e4SLinus Torvalds
32491da177e4SLinus Torvalds	  If unsure, say Y.
32501da177e4SLinus Torvalds
32511da177e4SLinus Torvaldsconfig MIPS32_N32
32521da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3253c22eacfeSRalf Baechle	depends on 64BIT
32545a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
325578aaf956SRalf Baechle	select COMPAT
325678aaf956SRalf Baechle	select MIPS32_COMPAT
325778aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
32581da177e4SLinus Torvalds	help
32591da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
32601da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
32611da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
32621da177e4SLinus Torvalds	  cases.
32631da177e4SLinus Torvalds
32641da177e4SLinus Torvalds	  If unsure, say N.
32651da177e4SLinus Torvalds
32661da177e4SLinus Torvaldsconfig BINFMT_ELF32
32671da177e4SLinus Torvalds	bool
32681da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
3269f43edca7SRalf Baechle	select ELFCORE
32701da177e4SLinus Torvalds
32712116245eSRalf Baechlemenu "Power management options"
3272952fa954SRodolfo Giometti
3273363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3274363c55caSWu Zhangjin	def_bool y
32753f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3276363c55caSWu Zhangjin
3277f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3278f4cb5700SJohannes Berg	def_bool y
32793f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3280f4cb5700SJohannes Berg
32812116245eSRalf Baechlesource "kernel/power/Kconfig"
3282952fa954SRodolfo Giometti
32831da177e4SLinus Torvaldsendmenu
32841da177e4SLinus Torvalds
32857a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32867a998935SViresh Kumar	bool
32877a998935SViresh Kumar
32887a998935SViresh Kumarmenu "CPU Power Management"
3289c095ebafSPaul Burton
3290c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32917a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32927a998935SViresh Kumarendif
32939726b43aSWu Zhangjin
3294c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3295c095ebafSPaul Burton
3296c095ebafSPaul Burtonendmenu
3297c095ebafSPaul Burton
329898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
329998cdee0eSRalf Baechle
33002235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3301e91946d6SNathan Chancellor
3302e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig"
3303