xref: /linux/arch/mips/Kconfig (revision 6fbde6b492dfc761ad60a68fb2cb32b1eb05b786)
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
712597988SMatt Redfearn	select ARCH_CLOCKSOURCE_DATA
812597988SMatt Redfearn	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
91e35918aSHassan Naveed	select ARCH_HAS_UBSAN_SANITIZE_ALL
10a2ecb233SDmitry Korotin	select ARCH_HAS_FORTIFY_SOURCE
1112597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
121ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
1312597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
1425da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
150b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
169035bd29SAlexandre Ghiti	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
1712597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
1812597988SMatt Redfearn	select BUILDTIME_EXTABLE_SORT
1912597988SMatt Redfearn	select CLONE_BACKWARDS
2057eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
2112597988SMatt Redfearn	select CPU_PM if CPU_IDLE
2212597988SMatt Redfearn	select GENERIC_ATOMIC64 if !64BIT
2312597988SMatt Redfearn	select GENERIC_CLOCKEVENTS
2412597988SMatt Redfearn	select GENERIC_CMOS_UPDATE
2512597988SMatt Redfearn	select GENERIC_CPU_AUTOPROBE
2624640f23SVincenzo Frascino	select GENERIC_GETTIMEOFDAY
27b962aeb0SPaul Burton	select GENERIC_IOMAP
2812597988SMatt Redfearn	select GENERIC_IRQ_PROBE
2912597988SMatt Redfearn	select GENERIC_IRQ_SHOW
306630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
31740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
32740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
33740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
34740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
35740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
3612597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
3712597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
3812597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
39446f062bSChristoph Hellwig	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
4012597988SMatt Redfearn	select HANDLE_DOMAIN_IRQ
41906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
4212597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
4388547001SJason Wessel	select HAVE_ARCH_KGDB
44109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
45109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
46490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
47c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
4845e03e62SDaniel Silsby	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
492ff2b7ecSMasahiro Yamada	select HAVE_ASM_MODVERSIONS
50716850abSHassan Naveed	select HAVE_EBPF_JIT if (!CPU_MICROMIPS)
5112597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
5212597988SMatt Redfearn	select HAVE_COPY_THREAD_TLS
5364575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
5412597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
5512597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
5612597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
5712597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
5812597988SMatt Redfearn	select HAVE_EXIT_THREAD
5967a929e0SChristoph Hellwig	select HAVE_FAST_GUP
6012597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
6129c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
6212597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
6312597988SMatt Redfearn	select HAVE_IDE
64b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
6512597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
6612597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
67c1bf207dSDavid Daney	select HAVE_KPROBES
68c1bf207dSDavid Daney	select HAVE_KRETPROBES
69c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
709d15ffc8STejun Heo	select HAVE_MEMBLOCK_NODE_MAP
71786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
7242a0bb3fSPetr Mladek	select HAVE_NMI
7312597988SMatt Redfearn	select HAVE_OPROFILE
7412597988SMatt Redfearn	select HAVE_PERF_EVENTS
7508bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
769ea141adSPaul Burton	select HAVE_RSEQ
77d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
7812597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
79a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
8024640f23SVincenzo Frascino	select HAVE_GENERIC_VDSO
8112597988SMatt Redfearn	select IRQ_FORCED_THREADING
826630a8e5SChristoph Hellwig	select ISA if EISA
8312597988SMatt Redfearn	select MODULES_USE_ELF_RELA if MODULES && 64BIT
8412597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
8512597988SMatt Redfearn	select PERF_USE_VMALLOC
8605a0a344SArnd Bergmann	select RTC_LIB
8712597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
8812597988SMatt Redfearn	select VIRT_TO_BUS
89d1af2ab3SPaul Burton	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
901da177e4SLinus Torvalds
911da177e4SLinus Torvaldsmenu "Machine selection"
921da177e4SLinus Torvalds
935e83d430SRalf Baechlechoice
945e83d430SRalf Baechle	prompt "System type"
95d41e6858SMatt Redfearn	default MIPS_GENERIC
961da177e4SLinus Torvalds
97eed0eabdSPaul Burtonconfig MIPS_GENERIC
98eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
99eed0eabdSPaul Burton	select BOOT_RAW
100eed0eabdSPaul Burton	select BUILTIN_DTB
101eed0eabdSPaul Burton	select CEVT_R4K
102eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
103eed0eabdSPaul Burton	select COMMON_CLK
104eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_VI
105eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
106eed0eabdSPaul Burton	select CSRC_R4K
107eed0eabdSPaul Burton	select DMA_PERDEV_COHERENT
108eb01d42aSChristoph Hellwig	select HAVE_PCI
109eed0eabdSPaul Burton	select IRQ_MIPS_CPU
110eed0eabdSPaul Burton	select LIBFDT
1110211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
112eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
113eed0eabdSPaul Burton	select MIPS_GIC
114eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
115eed0eabdSPaul Burton	select NO_EXCEPT_FILL
116eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
117eed0eabdSPaul Burton	select PINCTRL
118eed0eabdSPaul Burton	select SMP_UP if SMP
119a3078e59SMatt Redfearn	select SWAP_IO_SPACE
120eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
121eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
122eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
123eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
124eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
125eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
126eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
127eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
128eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
129eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
130eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
131eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
132eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS_CPS
133eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
134eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
135eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
136eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
1372e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1382e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1392e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1402e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1412e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1422e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
143eed0eabdSPaul Burton	select USE_OF
1442fe8ea39SDengcheng Zhu	select UHI_BOOT
145eed0eabdSPaul Burton	help
146eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
147eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
148eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
149eed0eabdSPaul Burton	  Interface) specification.
150eed0eabdSPaul Burton
15142a4f17dSManuel Laussconfig MIPS_ALCHEMY
152c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
153d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
154f772cdb2SRalf Baechle	select CEVT_R4K
155d7ea335cSSteven J. Hill	select CSRC_R4K
15667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
15788e9a93cSManuel Lauss	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
15842a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
15942a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
16042a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
161d30a2b47SLinus Walleij	select GPIOLIB
1621b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
16347440229SManuel Lauss	select COMMON_CLK
1641da177e4SLinus Torvalds
1657ca5dc14SFlorian Fainelliconfig AR7
1667ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
1677ca5dc14SFlorian Fainelli	select BOOT_ELF32
1687ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
1697ca5dc14SFlorian Fainelli	select CEVT_R4K
1707ca5dc14SFlorian Fainelli	select CSRC_R4K
17167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1727ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
1737ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
1747ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
1757ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
1767ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
1777ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
178377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1791b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
180d30a2b47SLinus Walleij	select GPIOLIB
1817ca5dc14SFlorian Fainelli	select VLYNQ
1828551fb64SYoichi Yuasa	select HAVE_CLK
1837ca5dc14SFlorian Fainelli	help
1847ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
1857ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
1867ca5dc14SFlorian Fainelli
18743cc739fSSergey Ryazanovconfig ATH25
18843cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
18943cc739fSSergey Ryazanov	select CEVT_R4K
19043cc739fSSergey Ryazanov	select CSRC_R4K
19143cc739fSSergey Ryazanov	select DMA_NONCOHERENT
19267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1931753e74eSSergey Ryazanov	select IRQ_DOMAIN
19443cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
19543cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
19643cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
1978aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
19843cc739fSSergey Ryazanov	help
19943cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
20043cc739fSSergey Ryazanov
201d4a67d9dSGabor Juhosconfig ATH79
202d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
203ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
204d4a67d9dSGabor Juhos	select BOOT_RAW
205d4a67d9dSGabor Juhos	select CEVT_R4K
206d4a67d9dSGabor Juhos	select CSRC_R4K
207d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
208d30a2b47SLinus Walleij	select GPIOLIB
209a08227a2SJohn Crispin	select PINCTRL
21094638067SGabor Juhos	select HAVE_CLK
211411520afSAlban Bedel	select COMMON_CLK
2122c4f1ac5SGabor Juhos	select CLKDEV_LOOKUP
21367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
214d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
215d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
216d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
217d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
218377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
219b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
22003c8c407SAlban Bedel	select USE_OF
22153d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
222d4a67d9dSGabor Juhos	help
223d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
224d4a67d9dSGabor Juhos
2255f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2265f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
227d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
228d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
229d666cd02SKevin Cernekee	select BOOT_RAW
230d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
231d666cd02SKevin Cernekee	select USE_OF
232d666cd02SKevin Cernekee	select CEVT_R4K
233d666cd02SKevin Cernekee	select CSRC_R4K
234d666cd02SKevin Cernekee	select SYNC_R4K
235d666cd02SKevin Cernekee	select COMMON_CLK
236c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
23760b858f2SKevin Cernekee	select BCM7038_L1_IRQ
23860b858f2SKevin Cernekee	select BCM7120_L2_IRQ
23960b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
24067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
24160b858f2SKevin Cernekee	select DMA_NONCOHERENT
242d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
24360b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
244d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
245d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
24660b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
24760b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
24860b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
249d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
250d666cd02SKevin Cernekee	select SWAP_IO_SPACE
25160b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
25260b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
25360b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
25460b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2554dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
256d666cd02SKevin Cernekee	help
2575f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2585f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2595f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2605f2d4459SKevin Cernekee	  must be set appropriately for your board.
261d666cd02SKevin Cernekee
2621c0c13ebSAurelien Jarnoconfig BCM47XX
263c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
264fe08f8c2SHauke Mehrtens	select BOOT_RAW
26542f77542SRalf Baechle	select CEVT_R4K
266940f6b48SRalf Baechle	select CSRC_R4K
2671c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
268eb01d42aSChristoph Hellwig	select HAVE_PCI
26967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
270314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
271dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
2721c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
2731c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
274377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2756507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
27625e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
277e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
278c949c0bcSRafał Miłecki	select GPIOLIB
279c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
280f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
2812ab71a02SRafał Miłecki	select BCM47XX_SPROM
282dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
2831c0c13ebSAurelien Jarno	help
2841c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
2851c0c13ebSAurelien Jarno
286e7300d04SMaxime Bizonconfig BCM63XX
287e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
288ae8de61cSFlorian Fainelli	select BOOT_RAW
289e7300d04SMaxime Bizon	select CEVT_R4K
290e7300d04SMaxime Bizon	select CSRC_R4K
291fc264022SJonas Gorski	select SYNC_R4K
292e7300d04SMaxime Bizon	select DMA_NONCOHERENT
29367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
294e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
295e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
296e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
297e7300d04SMaxime Bizon	select SWAP_IO_SPACE
298d30a2b47SLinus Walleij	select GPIOLIB
2993e82eeebSYoichi Yuasa	select HAVE_CLK
300af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
301c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
302e7300d04SMaxime Bizon	help
303e7300d04SMaxime Bizon	  Support for BCM63XX based boards
304e7300d04SMaxime Bizon
3051da177e4SLinus Torvaldsconfig MIPS_COBALT
3063fa986faSMartin Michlmayr	bool "Cobalt Server"
30742f77542SRalf Baechle	select CEVT_R4K
308940f6b48SRalf Baechle	select CSRC_R4K
3091097c6acSYoichi Yuasa	select CEVT_GT641XX
3101da177e4SLinus Torvalds	select DMA_NONCOHERENT
311eb01d42aSChristoph Hellwig	select FORCE_PCI
312d865bea4SRalf Baechle	select I8253
3131da177e4SLinus Torvalds	select I8259
31467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
315d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
316252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3177cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3180a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
319ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3200e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3215e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
322e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3231da177e4SLinus Torvalds
3241da177e4SLinus Torvaldsconfig MACH_DECSTATION
3253fa986faSMartin Michlmayr	bool "DECstations"
3261da177e4SLinus Torvalds	select BOOT_ELF32
3276457d9fcSYoichi Yuasa	select CEVT_DS1287
32881d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3294247417dSYoichi Yuasa	select CSRC_IOASIC
33081d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
33120d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
33220d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
33320d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3341da177e4SLinus Torvalds	select DMA_NONCOHERENT
335ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
33667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3377cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3387cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
339ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3407d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3415e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3421723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3431723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3441723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
345930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3465e83d430SRalf Baechle	help
3471da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3481da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3491da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3501da177e4SLinus Torvalds
3511da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3521da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3531da177e4SLinus Torvalds
3541da177e4SLinus Torvalds		DECstation 5000/50
3551da177e4SLinus Torvalds		DECstation 5000/150
3561da177e4SLinus Torvalds		DECstation 5000/260
3571da177e4SLinus Torvalds		DECsystem 5900/260
3581da177e4SLinus Torvalds
3591da177e4SLinus Torvalds	  otherwise choose R3000.
3601da177e4SLinus Torvalds
3615e83d430SRalf Baechleconfig MACH_JAZZ
3623fa986faSMartin Michlmayr	bool "Jazz family of machines"
36339b2d756SThomas Bogendoerfer	select ARC_MEMORY
36439b2d756SThomas Bogendoerfer	select ARC_PROMLIB
365a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
3667a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
3670e2794b0SRalf Baechle	select FW_ARC
3680e2794b0SRalf Baechle	select FW_ARC32
3695e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
37042f77542SRalf Baechle	select CEVT_R4K
371940f6b48SRalf Baechle	select CSRC_R4K
372e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
3735e83d430SRalf Baechle	select GENERIC_ISA_DMA
3748a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
37567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
376d865bea4SRalf Baechle	select I8253
3775e83d430SRalf Baechle	select I8259
3785e83d430SRalf Baechle	select ISA
3797cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3805e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3817d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3821723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
3831da177e4SLinus Torvalds	help
3845e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
3855e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
386692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
3875e83d430SRalf Baechle	  Olivetti M700-10 workstations.
3885e83d430SRalf Baechle
389de361e8bSPaul Burtonconfig MACH_INGENIC
390de361e8bSPaul Burton	bool "Ingenic SoC based machines"
3915ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
3925ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
393f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
394b35d2653SDaniel Silsby	select CPU_SUPPORTS_HUGEPAGES
3955ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
39667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
39737b4c3caSPaul Cercueil	select PINCTRL
398d30a2b47SLinus Walleij	select GPIOLIB
399ff1930c6SPaul Burton	select COMMON_CLK
40083bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
40115205fc0SPaul Cercueil	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
402ffb1843dSPaul Burton	select USE_OF
4036ec127fbSPaul Burton	select LIBFDT
4045ebabe59SLars-Peter Clausen
405171bb2f1SJohn Crispinconfig LANTIQ
406171bb2f1SJohn Crispin	bool "Lantiq based platforms"
407171bb2f1SJohn Crispin	select DMA_NONCOHERENT
40867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
409171bb2f1SJohn Crispin	select CEVT_R4K
410171bb2f1SJohn Crispin	select CSRC_R4K
411171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
412171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
413171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
414171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
415377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
416171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
417f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
418171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
419d30a2b47SLinus Walleij	select GPIOLIB
420171bb2f1SJohn Crispin	select SWAP_IO_SPACE
421171bb2f1SJohn Crispin	select BOOT_RAW
422287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
423a0392222SJohn Crispin	select USE_OF
4243f8c50c9SJohn Crispin	select PINCTRL
4253f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
426c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
427c530781cSJohn Crispin	select RESET_CONTROLLER
428171bb2f1SJohn Crispin
4291f21d2bdSBrian Murphyconfig LASAT
4301f21d2bdSBrian Murphy	bool "LASAT Networks platforms"
43142f77542SRalf Baechle	select CEVT_R4K
43216f0bbbcSRalf Baechle	select CRC32
433940f6b48SRalf Baechle	select CSRC_R4K
4341f21d2bdSBrian Murphy	select DMA_NONCOHERENT
4351f21d2bdSBrian Murphy	select SYS_HAS_EARLY_PRINTK
436eb01d42aSChristoph Hellwig	select HAVE_PCI
43767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
4381f21d2bdSBrian Murphy	select PCI_GT64XXX_PCI0
4391f21d2bdSBrian Murphy	select MIPS_NILE4
4401f21d2bdSBrian Murphy	select R5000_CPU_SCACHE
4411f21d2bdSBrian Murphy	select SYS_HAS_CPU_R5000
4421f21d2bdSBrian Murphy	select SYS_SUPPORTS_32BIT_KERNEL
4431f21d2bdSBrian Murphy	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
4441f21d2bdSBrian Murphy	select SYS_SUPPORTS_LITTLE_ENDIAN
4451f21d2bdSBrian Murphy
44630ad29bbSHuacai Chenconfig MACH_LOONGSON32
44730ad29bbSHuacai Chen	bool "Loongson-1 family of machines"
448c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
449ade299d8SYoichi Yuasa	help
45030ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
45185749d24SWu Zhangjin
45230ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
45330ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
45430ad29bbSHuacai Chen	  Sciences (CAS).
455ade299d8SYoichi Yuasa
45671e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
45771e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
458ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
459ca585cf9SKelvin Cheung	help
46071e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
461ca585cf9SKelvin Cheung
46271e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
46371e2f4ddSJiaxun Yang	bool "Loongson-2/3 GSx64 family of machines"
464*6fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
465*6fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
466*6fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
467*6fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
468*6fbde6b4SJiaxun Yang	select BOOT_ELF32
469*6fbde6b4SJiaxun Yang	select BOARD_SCACHE
470*6fbde6b4SJiaxun Yang	select CSRC_R4K
471*6fbde6b4SJiaxun Yang	select CEVT_R4K
472*6fbde6b4SJiaxun Yang	select CPU_HAS_WB
473*6fbde6b4SJiaxun Yang	select FORCE_PCI
474*6fbde6b4SJiaxun Yang	select ISA
475*6fbde6b4SJiaxun Yang	select I8259
476*6fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
477*6fbde6b4SJiaxun Yang	select NR_CPUS_DEFAULT_4
478*6fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
479*6fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
480*6fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
481*6fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
482*6fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
483*6fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
484*6fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
485*6fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
486*6fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
48771e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
488*6fbde6b4SJiaxun Yang	select LOONGSON_MC146818
489*6fbde6b4SJiaxun Yang	select ZONE_DMA32
490*6fbde6b4SJiaxun Yang	select NUMA
49171e2f4ddSJiaxun Yang	help
49271e2f4ddSJiaxun Yang	  This enables the support of Loongson-2/3 family of processors with
49371e2f4ddSJiaxun Yang	  GSx64 microarchitecture.
494ca585cf9SKelvin Cheung
4956a438309SAndrew Brestickerconfig MACH_PISTACHIO
4966a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
4976a438309SAndrew Bresticker	select BOOT_ELF32
4986a438309SAndrew Bresticker	select BOOT_RAW
4996a438309SAndrew Bresticker	select CEVT_R4K
5006a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
5016a438309SAndrew Bresticker	select COMMON_CLK
5026a438309SAndrew Bresticker	select CSRC_R4K
503645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
504d30a2b47SLinus Walleij	select GPIOLIB
50567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5066a438309SAndrew Bresticker	select LIBFDT
5076a438309SAndrew Bresticker	select MFD_SYSCON
5086a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
5096a438309SAndrew Bresticker	select MIPS_GIC
5106a438309SAndrew Bresticker	select PINCTRL
5116a438309SAndrew Bresticker	select REGULATOR
5126a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
5136a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
5146a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
5156a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
5166a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
51741cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
5186a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
519018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
520018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
5216a438309SAndrew Bresticker	select USE_OF
5226a438309SAndrew Bresticker	help
5236a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
5246a438309SAndrew Bresticker
5251da177e4SLinus Torvaldsconfig MIPS_MALTA
5263fa986faSMartin Michlmayr	bool "MIPS Malta board"
52761ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
528a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5297a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5301da177e4SLinus Torvalds	select BOOT_ELF32
531fa71c960SRalf Baechle	select BOOT_RAW
532e8823d26SPaul Burton	select BUILTIN_DTB
53342f77542SRalf Baechle	select CEVT_R4K
534fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
53542b002abSGuenter Roeck	select COMMON_CLK
53647bf2b03SMaksym Kokhan	select CSRC_R4K
537885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
5381da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5398a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
540eb01d42aSChristoph Hellwig	select HAVE_PCI
541d865bea4SRalf Baechle	select I8253
5421da177e4SLinus Torvalds	select I8259
54347bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
54447bf2b03SMaksym Kokhan	select LIBFDT
5455e83d430SRalf Baechle	select MIPS_BONITO64
5469318c51aSChris Dearman	select MIPS_CPU_SCACHE
54747bf2b03SMaksym Kokhan	select MIPS_GIC
548a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5495e83d430SRalf Baechle	select MIPS_MSC
55047bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
551ecafe3e9SPaul Burton	select SMP_UP if SMP
5521da177e4SLinus Torvalds	select SWAP_IO_SPACE
5537cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5547cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
555bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
556c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
557575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5587cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5595d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
560575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5617cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5627cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
563ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
564ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5655e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
566c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5675e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
568424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
56947bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5700365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
571e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
572f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
57347bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5749693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
575f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5761b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
577e8823d26SPaul Burton	select USE_OF
578abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5791da177e4SLinus Torvalds	help
580f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5811da177e4SLinus Torvalds	  board.
5821da177e4SLinus Torvalds
5832572f00dSJoshua Hendersonconfig MACH_PIC32
5842572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5852572f00dSJoshua Henderson	help
5862572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5872572f00dSJoshua Henderson
5882572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5892572f00dSJoshua Henderson	  microcontrollers.
5902572f00dSJoshua Henderson
591a83860c2SRalf Baechleconfig NEC_MARKEINS
592a83860c2SRalf Baechle	bool "NEC EMMA2RH Mark-eins board"
593a83860c2SRalf Baechle	select SOC_EMMA2RH
594eb01d42aSChristoph Hellwig	select HAVE_PCI
595a83860c2SRalf Baechle	help
596a83860c2SRalf Baechle	  This enables support for the NEC Electronics Mark-eins boards.
597ade299d8SYoichi Yuasa
5985e83d430SRalf Baechleconfig MACH_VR41XX
59974142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
60042f77542SRalf Baechle	select CEVT_R4K
601940f6b48SRalf Baechle	select CSRC_R4K
6027cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
603377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
604d30a2b47SLinus Walleij	select GPIOLIB
6055e83d430SRalf Baechle
606edb6310aSDaniel Lairdconfig NXP_STB220
607edb6310aSDaniel Laird	bool "NXP STB220 board"
608edb6310aSDaniel Laird	select SOC_PNX833X
609edb6310aSDaniel Laird	help
610edb6310aSDaniel Laird	  Support for NXP Semiconductors STB220 Development Board.
611edb6310aSDaniel Laird
612edb6310aSDaniel Lairdconfig NXP_STB225
613edb6310aSDaniel Laird	bool "NXP 225 board"
614edb6310aSDaniel Laird	select SOC_PNX833X
615edb6310aSDaniel Laird	select SOC_PNX8335
616edb6310aSDaniel Laird	help
617edb6310aSDaniel Laird	  Support for NXP Semiconductors STB225 Development Board.
618edb6310aSDaniel Laird
6199267a30dSMarc St-Jeanconfig PMC_MSP
6209267a30dSMarc St-Jean	bool "PMC-Sierra MSP chipsets"
62139d30c13SAnoop P A	select CEVT_R4K
62239d30c13SAnoop P A	select CSRC_R4K
6239267a30dSMarc St-Jean	select DMA_NONCOHERENT
6249267a30dSMarc St-Jean	select SWAP_IO_SPACE
6259267a30dSMarc St-Jean	select NO_EXCEPT_FILL
6269267a30dSMarc St-Jean	select BOOT_RAW
6279267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R1
6289267a30dSMarc St-Jean	select SYS_HAS_CPU_MIPS32_R2
6299267a30dSMarc St-Jean	select SYS_SUPPORTS_32BIT_KERNEL
6309267a30dSMarc St-Jean	select SYS_SUPPORTS_BIG_ENDIAN
631377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
63267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
6339267a30dSMarc St-Jean	select SERIAL_8250
6349267a30dSMarc St-Jean	select SERIAL_8250_CONSOLE
6359296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_MMIO
6369296d94dSFlorian Fainelli	select USB_EHCI_BIG_ENDIAN_DESC
6379267a30dSMarc St-Jean	help
6389267a30dSMarc St-Jean	  This adds support for the PMC-Sierra family of Multi-Service
6399267a30dSMarc St-Jean	  Processor System-On-A-Chips.  These parts include a number
6409267a30dSMarc St-Jean	  of integrated peripherals, interfaces and DSPs in addition to
6419267a30dSMarc St-Jean	  a variety of MIPS cores.
6429267a30dSMarc St-Jean
643ae2b5bb6SJohn Crispinconfig RALINK
644ae2b5bb6SJohn Crispin	bool "Ralink based machines"
645ae2b5bb6SJohn Crispin	select CEVT_R4K
646ae2b5bb6SJohn Crispin	select CSRC_R4K
647ae2b5bb6SJohn Crispin	select BOOT_RAW
648ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
64967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
650ae2b5bb6SJohn Crispin	select USE_OF
651ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
652ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
653ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
654ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
655377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
656ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
657ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6582a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6592a153f1cSJohn Crispin	select RESET_CONTROLLER
660ae2b5bb6SJohn Crispin
6611da177e4SLinus Torvaldsconfig SGI_IP22
6623fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
663c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
66439b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6650e2794b0SRalf Baechle	select FW_ARC
6660e2794b0SRalf Baechle	select FW_ARC32
6677a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6681da177e4SLinus Torvalds	select BOOT_ELF32
66942f77542SRalf Baechle	select CEVT_R4K
670940f6b48SRalf Baechle	select CSRC_R4K
671e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6721da177e4SLinus Torvalds	select DMA_NONCOHERENT
6736630a8e5SChristoph Hellwig	select HAVE_EISA
674d865bea4SRalf Baechle	select I8253
67568de4803SThomas Bogendoerfer	select I8259
6761da177e4SLinus Torvalds	select IP22_CPU_SCACHE
67767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
678aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
679e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
680e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
68136e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
682e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
683e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
684e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6851da177e4SLinus Torvalds	select SWAP_IO_SPACE
6867cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6877cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
688c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
689ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
690ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6915e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
692930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6931da177e4SLinus Torvalds	help
6941da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6951da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6961da177e4SLinus Torvalds	  that runs on these, say Y here.
6971da177e4SLinus Torvalds
6981da177e4SLinus Torvaldsconfig SGI_IP27
6993fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
70054aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
701397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
7020e2794b0SRalf Baechle	select FW_ARC
7030e2794b0SRalf Baechle	select FW_ARC64
704e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
7055e83d430SRalf Baechle	select BOOT_ELF64
706e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
70736a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
708eb01d42aSChristoph Hellwig	select HAVE_PCI
70969a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
710e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
711130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
712a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
713a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7147cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
715ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7165e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
717d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
7181a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
719930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7201da177e4SLinus Torvalds	help
7211da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
7221da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
7231da177e4SLinus Torvalds	  here.
7241da177e4SLinus Torvalds
725e2defae5SThomas Bogendoerferconfig SGI_IP28
7267d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
727c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
72839b2d756SThomas Bogendoerfer	select ARC_PROMLIB
7290e2794b0SRalf Baechle	select FW_ARC
7300e2794b0SRalf Baechle	select FW_ARC64
7317a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
732e2defae5SThomas Bogendoerfer	select BOOT_ELF64
733e2defae5SThomas Bogendoerfer	select CEVT_R4K
734e2defae5SThomas Bogendoerfer	select CSRC_R4K
735e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
736e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
737e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
73867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7396630a8e5SChristoph Hellwig	select HAVE_EISA
740e2defae5SThomas Bogendoerfer	select I8253
741e2defae5SThomas Bogendoerfer	select I8259
742e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
743e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7445b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
745e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
746e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
747e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
748e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
749e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
750c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
751e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
752e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
753dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
754e2defae5SThomas Bogendoerfer	help
755e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
756e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
757e2defae5SThomas Bogendoerfer
7581da177e4SLinus Torvaldsconfig SGI_IP32
759cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
76039b2d756SThomas Bogendoerfer	select ARC_MEMORY
76139b2d756SThomas Bogendoerfer	select ARC_PROMLIB
76203df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7630e2794b0SRalf Baechle	select FW_ARC
7640e2794b0SRalf Baechle	select FW_ARC32
7651da177e4SLinus Torvalds	select BOOT_ELF32
76642f77542SRalf Baechle	select CEVT_R4K
767940f6b48SRalf Baechle	select CSRC_R4K
7681da177e4SLinus Torvalds	select DMA_NONCOHERENT
769eb01d42aSChristoph Hellwig	select HAVE_PCI
77067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7711da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7721da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7737cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7747cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7757cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
776dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
777ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7785e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7791da177e4SLinus Torvalds	help
7801da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
7811da177e4SLinus Torvalds
782ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
783ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
7845e83d430SRalf Baechle	select BOOT_ELF32
7855e83d430SRalf Baechle	select SIBYTE_BCM1120
7865e83d430SRalf Baechle	select SWAP_IO_SPACE
7877cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7885e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7895e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7905e83d430SRalf Baechle
791ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
792ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
7935e83d430SRalf Baechle	select BOOT_ELF32
7945e83d430SRalf Baechle	select SIBYTE_BCM1120
7955e83d430SRalf Baechle	select SWAP_IO_SPACE
7967cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7975e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7985e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7995e83d430SRalf Baechle
8005e83d430SRalf Baechleconfig SIBYTE_CRHONE
8013fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
8025e83d430SRalf Baechle	select BOOT_ELF32
8035e83d430SRalf Baechle	select SIBYTE_BCM1125
8045e83d430SRalf Baechle	select SWAP_IO_SPACE
8057cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8065e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8075e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8085e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8095e83d430SRalf Baechle
810ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
811ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
812ade299d8SYoichi Yuasa	select BOOT_ELF32
813ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
814ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
815ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
816ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
817ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
818ade299d8SYoichi Yuasa
819ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
820ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
821ade299d8SYoichi Yuasa	select BOOT_ELF32
822fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
823ade299d8SYoichi Yuasa	select SIBYTE_SB1250
824ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
825ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
826ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
827ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
828ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
829cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
830e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
831ade299d8SYoichi Yuasa
832ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
833ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
834ade299d8SYoichi Yuasa	select BOOT_ELF32
835fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
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_HIGHMEM
841ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
842756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
843ade299d8SYoichi Yuasa
844ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
845ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
846ade299d8SYoichi Yuasa	select BOOT_ELF32
847ade299d8SYoichi Yuasa	select SIBYTE_SB1250
848ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
849ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
850ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
851ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
852e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
853ade299d8SYoichi Yuasa
854ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
855ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
856ade299d8SYoichi Yuasa	select BOOT_ELF32
857ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
858ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
859ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
860ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
861ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
862651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
863ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
864cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
865e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
866ade299d8SYoichi Yuasa
86714b36af4SThomas Bogendoerferconfig SNI_RM
86814b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
86939b2d756SThomas Bogendoerfer	select ARC_MEMORY
87039b2d756SThomas Bogendoerfer	select ARC_PROMLIB
8710e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8720e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
873aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8745e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
875a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8767a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8775e83d430SRalf Baechle	select BOOT_ELF32
87842f77542SRalf Baechle	select CEVT_R4K
879940f6b48SRalf Baechle	select CSRC_R4K
880e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
8815e83d430SRalf Baechle	select DMA_NONCOHERENT
8825e83d430SRalf Baechle	select GENERIC_ISA_DMA
8836630a8e5SChristoph Hellwig	select HAVE_EISA
8848a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
885eb01d42aSChristoph Hellwig	select HAVE_PCI
88667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
887d865bea4SRalf Baechle	select I8253
8885e83d430SRalf Baechle	select I8259
8895e83d430SRalf Baechle	select ISA
8904a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
8917cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
8924a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
893c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
8944a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
89536a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
896ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
8977d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
8984a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
8995e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
9005e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
9011da177e4SLinus Torvalds	help
90214b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
90314b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
9045e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
9055e83d430SRalf Baechle	  support this machine type.
9061da177e4SLinus Torvalds
907edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
908edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9095e83d430SRalf Baechle
910edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
911edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
91223fbee9dSRalf Baechle
91373b4390fSRalf Baechleconfig MIKROTIK_RB532
91473b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
91573b4390fSRalf Baechle	select CEVT_R4K
91673b4390fSRalf Baechle	select CSRC_R4K
91773b4390fSRalf Baechle	select DMA_NONCOHERENT
918eb01d42aSChristoph Hellwig	select HAVE_PCI
91967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
92073b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
92173b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
92273b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
92373b4390fSRalf Baechle	select SWAP_IO_SPACE
92473b4390fSRalf Baechle	select BOOT_RAW
925d30a2b47SLinus Walleij	select GPIOLIB
926930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
92773b4390fSRalf Baechle	help
92873b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
92973b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
93073b4390fSRalf Baechle
9319ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9329ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
933a86c7f72SDavid Daney	select CEVT_R4K
934ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9351753d50cSChristoph Hellwig	select HAVE_RAPIDIO
936d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
937a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
938a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
939f65aad41SRalf Baechle	select EDAC_SUPPORT
940b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
94173569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
94273569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
943a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9445e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
945eb01d42aSChristoph Hellwig	select HAVE_PCI
946f00e001eSDavid Daney	select ZONE_DMA32
947465aaed0SDavid Daney	select HOLES_IN_ZONE
948d30a2b47SLinus Walleij	select GPIOLIB
9496e511163SDavid Daney	select LIBFDT
9506e511163SDavid Daney	select USE_OF
9516e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9526e511163SDavid Daney	select SYS_SUPPORTS_SMP
9537820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9547820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
955e326479fSAndrew Bresticker	select BUILTIN_DTB
9568c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
95709230cbcSChristoph Hellwig	select SWIOTLB
9583ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
959a86c7f72SDavid Daney	help
960a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
961a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
962a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
963a86c7f72SDavid Daney	  Some of the supported boards are:
964a86c7f72SDavid Daney		EBT3000
965a86c7f72SDavid Daney		EBH3000
966a86c7f72SDavid Daney		EBH3100
967a86c7f72SDavid Daney		Thunder
968a86c7f72SDavid Daney		Kodama
969a86c7f72SDavid Daney		Hikari
970a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
971a86c7f72SDavid Daney
9727f058e85SJayachandran Cconfig NLM_XLR_BOARD
9737f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
9747f058e85SJayachandran C	select BOOT_ELF32
9757f058e85SJayachandran C	select NLM_COMMON
9767f058e85SJayachandran C	select SYS_HAS_CPU_XLR
9777f058e85SJayachandran C	select SYS_SUPPORTS_SMP
978eb01d42aSChristoph Hellwig	select HAVE_PCI
9797f058e85SJayachandran C	select SWAP_IO_SPACE
9807f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9817f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
982d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
9837f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9847f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9857f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
9867f058e85SJayachandran C	select CEVT_R4K
9877f058e85SJayachandran C	select CSRC_R4K
98867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
989b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9907f058e85SJayachandran C	select SYNC_R4K
9917f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
9928f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9938f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9947f058e85SJayachandran C	help
9957f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
9967f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
9977f058e85SJayachandran C
9981c773ea4SJayachandran Cconfig NLM_XLP_BOARD
9991c773ea4SJayachandran C	bool "Netlogic XLP based systems"
10001c773ea4SJayachandran C	select BOOT_ELF32
10011c773ea4SJayachandran C	select NLM_COMMON
10021c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
10031c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
1004eb01d42aSChristoph Hellwig	select HAVE_PCI
10051c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
10061c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
1007d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1008d30a2b47SLinus Walleij	select GPIOLIB
10091c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10101c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
10111c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10121c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
10131c773ea4SJayachandran C	select CEVT_R4K
10141c773ea4SJayachandran C	select CSRC_R4K
101567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1016b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10171c773ea4SJayachandran C	select SYNC_R4K
10181c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
10192f6528e1SJayachandran C	select USE_OF
10208f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10218f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10221c773ea4SJayachandran C	help
10231c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
10241c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
10251c773ea4SJayachandran C
10269bc463beSDavid Daneyconfig MIPS_PARAVIRT
10279bc463beSDavid Daney	bool "Para-Virtualized guest system"
10289bc463beSDavid Daney	select CEVT_R4K
10299bc463beSDavid Daney	select CSRC_R4K
10309bc463beSDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
10319bc463beSDavid Daney	select SYS_SUPPORTS_32BIT_KERNEL
10329bc463beSDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
10339bc463beSDavid Daney	select SYS_SUPPORTS_SMP
10349bc463beSDavid Daney	select NR_CPUS_DEFAULT_4
10359bc463beSDavid Daney	select SYS_HAS_EARLY_PRINTK
10369bc463beSDavid Daney	select SYS_HAS_CPU_MIPS32_R2
10379bc463beSDavid Daney	select SYS_HAS_CPU_MIPS64_R2
10389bc463beSDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
1039eb01d42aSChristoph Hellwig	select HAVE_PCI
10409bc463beSDavid Daney	select SWAP_IO_SPACE
10419bc463beSDavid Daney	help
10429bc463beSDavid Daney	  This option supports guest running under ????
10439bc463beSDavid Daney
10441da177e4SLinus Torvaldsendchoice
10451da177e4SLinus Torvalds
1046e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10473b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1048d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1049a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1050e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10518945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1052eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
10535e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10545ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
10558ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10561f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig"
10572572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1058af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
10590f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig"
1060ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
106129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
106238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
106322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10645e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1065a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
106671e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
106730ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
106830ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
10697f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
1070ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig"
107138b18f72SRalf Baechle
10725e83d430SRalf Baechleendmenu
10735e83d430SRalf Baechle
10743c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10753c9ee7efSAkinobu Mita	bool
10763c9ee7efSAkinobu Mita	default y
10773c9ee7efSAkinobu Mita
10781da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10791da177e4SLinus Torvalds	bool
10801da177e4SLinus Torvalds	default y
10811da177e4SLinus Torvalds
1082ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10831cc89038SAtsushi Nemoto	bool
10841cc89038SAtsushi Nemoto	default y
10851cc89038SAtsushi Nemoto
10861da177e4SLinus Torvalds#
10871da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10881da177e4SLinus Torvalds#
10890e2794b0SRalf Baechleconfig FW_ARC
10901da177e4SLinus Torvalds	bool
10911da177e4SLinus Torvalds
109261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
109361ed242dSRalf Baechle	bool
109461ed242dSRalf Baechle
10959267a30dSMarc St-Jeanconfig BOOT_RAW
10969267a30dSMarc St-Jean	bool
10979267a30dSMarc St-Jean
1098217dd11eSRalf Baechleconfig CEVT_BCM1480
1099217dd11eSRalf Baechle	bool
1100217dd11eSRalf Baechle
11016457d9fcSYoichi Yuasaconfig CEVT_DS1287
11026457d9fcSYoichi Yuasa	bool
11036457d9fcSYoichi Yuasa
11041097c6acSYoichi Yuasaconfig CEVT_GT641XX
11051097c6acSYoichi Yuasa	bool
11061097c6acSYoichi Yuasa
110742f77542SRalf Baechleconfig CEVT_R4K
110842f77542SRalf Baechle	bool
110942f77542SRalf Baechle
1110217dd11eSRalf Baechleconfig CEVT_SB1250
1111217dd11eSRalf Baechle	bool
1112217dd11eSRalf Baechle
1113229f773eSAtsushi Nemotoconfig CEVT_TXX9
1114229f773eSAtsushi Nemoto	bool
1115229f773eSAtsushi Nemoto
1116217dd11eSRalf Baechleconfig CSRC_BCM1480
1117217dd11eSRalf Baechle	bool
1118217dd11eSRalf Baechle
11194247417dSYoichi Yuasaconfig CSRC_IOASIC
11204247417dSYoichi Yuasa	bool
11214247417dSYoichi Yuasa
1122940f6b48SRalf Baechleconfig CSRC_R4K
1123940f6b48SRalf Baechle	bool
1124940f6b48SRalf Baechle
1125217dd11eSRalf Baechleconfig CSRC_SB1250
1126217dd11eSRalf Baechle	bool
1127217dd11eSRalf Baechle
1128a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1129a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1130a7f4df4eSAlex Smith
1131a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1132d30a2b47SLinus Walleij	select GPIOLIB
1133a9aec7feSAtsushi Nemoto	bool
1134a9aec7feSAtsushi Nemoto
11350e2794b0SRalf Baechleconfig FW_CFE
1136df78b5c8SAurelien Jarno	bool
1137df78b5c8SAurelien Jarno
113840e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
113940e084a5SRalf Baechle	bool
114040e084a5SRalf Baechle
1141885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1142f3ecc0ffSChristoph Hellwig	select ARCH_HAS_DMA_COHERENCE_H
1143885014bcSFelix Fietkau	select DMA_NONCOHERENT
1144885014bcSFelix Fietkau	bool
1145885014bcSFelix Fietkau
114620d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
114720d33064SPaul Burton	bool
1148347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
11495748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
115020d33064SPaul Burton
11511da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11521da177e4SLinus Torvalds	bool
1153db91427bSChristoph Hellwig	#
1154db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1155db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1156db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1157db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1158db91427bSChristoph Hellwig	# significant advantages.
1159db91427bSChristoph Hellwig	#
1160419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1161f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
11622ee7a4efSChristoph Hellwig	select ARCH_HAS_UNCACHED_SEGMENT
1163e1e02b32SFUJITA Tomonori	select NEED_DMA_MAP_STATE
116458b04406SChristoph Hellwig	select ARCH_HAS_DMA_COHERENT_TO_PFN
1165f8c55dc6SChristoph Hellwig	select DMA_NONCOHERENT_CACHE_SYNC
11664ce588cdSRalf Baechle
116736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11681da177e4SLinus Torvalds	bool
11691da177e4SLinus Torvalds
11701b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1171dbb74540SRalf Baechle	bool
1172dbb74540SRalf Baechle
11731da177e4SLinus Torvaldsconfig MIPS_BONITO64
11741da177e4SLinus Torvalds	bool
11751da177e4SLinus Torvalds
11761da177e4SLinus Torvaldsconfig MIPS_MSC
11771da177e4SLinus Torvalds	bool
11781da177e4SLinus Torvalds
11791f21d2bdSBrian Murphyconfig MIPS_NILE4
11801f21d2bdSBrian Murphy	bool
11811f21d2bdSBrian Murphy
118239b8d525SRalf Baechleconfig SYNC_R4K
118339b8d525SRalf Baechle	bool
118439b8d525SRalf Baechle
1185487d70d0SGabor Juhosconfig MIPS_MACHINE
1186487d70d0SGabor Juhos	def_bool n
1187487d70d0SGabor Juhos
1188ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1189d388d685SMaciej W. Rozycki	def_bool n
1190d388d685SMaciej W. Rozycki
11914e0748f5SMarkos Chandrasconfig GENERIC_CSUM
11924e0748f5SMarkos Chandras	bool
1193932afdeeSYasha Cherikovsky	default y if !CPU_HAS_LOAD_STORE_LR
11944e0748f5SMarkos Chandras
11958313da30SRalf Baechleconfig GENERIC_ISA_DMA
11968313da30SRalf Baechle	bool
11978313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1198a35bee8aSNamhyung Kim	select ISA_DMA_API
11998313da30SRalf Baechle
1200aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1201aa414dffSRalf Baechle	bool
12028313da30SRalf Baechle	select GENERIC_ISA_DMA
1203aa414dffSRalf Baechle
1204a35bee8aSNamhyung Kimconfig ISA_DMA_API
1205a35bee8aSNamhyung Kim	bool
1206a35bee8aSNamhyung Kim
1207465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1208465aaed0SDavid Daney	bool
1209465aaed0SDavid Daney
12108c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
12118c530ea3SMatt Redfearn	bool
12128c530ea3SMatt Redfearn	help
12138c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
12148c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
12158c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
12168c530ea3SMatt Redfearn
1217f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT
1218f381bf6dSDavid Daney	def_bool y
1219f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_CBPF_JIT
1220f381bf6dSDavid Daney
1221f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT
1222f381bf6dSDavid Daney	def_bool y
1223f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_EBPF_JIT
1224f381bf6dSDavid Daney
1225f381bf6dSDavid Daney
12265e83d430SRalf Baechle#
12276b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
12285e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
12295e83d430SRalf Baechle# choice statement should be more obvious to the user.
12305e83d430SRalf Baechle#
12315e83d430SRalf Baechlechoice
12326b2aac42SMasanari Iida	prompt "Endianness selection"
12331da177e4SLinus Torvalds	help
12341da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
12355e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
12363cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
12375e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
12383dde6ad8SDavid Sterba	  one or the other endianness.
12395e83d430SRalf Baechle
12405e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
12415e83d430SRalf Baechle	bool "Big endian"
12425e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
12435e83d430SRalf Baechle
12445e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
12455e83d430SRalf Baechle	bool "Little endian"
12465e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
12475e83d430SRalf Baechle
12485e83d430SRalf Baechleendchoice
12495e83d430SRalf Baechle
125022b0763aSDavid Daneyconfig EXPORT_UASM
125122b0763aSDavid Daney	bool
125222b0763aSDavid Daney
12532116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
12542116245eSRalf Baechle	bool
12552116245eSRalf Baechle
12565e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
12575e83d430SRalf Baechle	bool
12585e83d430SRalf Baechle
12595e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12605e83d430SRalf Baechle	bool
12611da177e4SLinus Torvalds
12629cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
12639cffd154SDavid Daney	bool
126445e03e62SDaniel Silsby	depends on CPU_SUPPORTS_HUGEPAGES
12659cffd154SDavid Daney	default y
12669cffd154SDavid Daney
1267aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1268aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1269aa1762f4SDavid Daney
12701da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
12711da177e4SLinus Torvalds	bool
12721da177e4SLinus Torvalds
12739267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12749267a30dSMarc St-Jean	bool
12759267a30dSMarc St-Jean
12769267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12779267a30dSMarc St-Jean	bool
12789267a30dSMarc St-Jean
12798420fd00SAtsushi Nemotoconfig IRQ_TXX9
12808420fd00SAtsushi Nemoto	bool
12818420fd00SAtsushi Nemoto
1282d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1283d5ab1a69SYoichi Yuasa	bool
1284d5ab1a69SYoichi Yuasa
1285252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12861da177e4SLinus Torvalds	bool
12871da177e4SLinus Torvalds
1288a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1289a57140e9SThomas Bogendoerfer	bool
1290a57140e9SThomas Bogendoerfer
12919267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12929267a30dSMarc St-Jean	bool
12939267a30dSMarc St-Jean
1294a83860c2SRalf Baechleconfig SOC_EMMA2RH
1295a83860c2SRalf Baechle	bool
1296a83860c2SRalf Baechle	select CEVT_R4K
1297a83860c2SRalf Baechle	select CSRC_R4K
1298a83860c2SRalf Baechle	select DMA_NONCOHERENT
129967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1300a83860c2SRalf Baechle	select SWAP_IO_SPACE
1301a83860c2SRalf Baechle	select SYS_HAS_CPU_R5500
1302a83860c2SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
1303a83860c2SRalf Baechle	select SYS_SUPPORTS_64BIT_KERNEL
1304a83860c2SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
1305a83860c2SRalf Baechle
1306edb6310aSDaniel Lairdconfig SOC_PNX833X
1307edb6310aSDaniel Laird	bool
1308edb6310aSDaniel Laird	select CEVT_R4K
1309edb6310aSDaniel Laird	select CSRC_R4K
131067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1311edb6310aSDaniel Laird	select DMA_NONCOHERENT
1312edb6310aSDaniel Laird	select SYS_HAS_CPU_MIPS32_R2
1313edb6310aSDaniel Laird	select SYS_SUPPORTS_32BIT_KERNEL
1314edb6310aSDaniel Laird	select SYS_SUPPORTS_LITTLE_ENDIAN
1315edb6310aSDaniel Laird	select SYS_SUPPORTS_BIG_ENDIAN
1316377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1317edb6310aSDaniel Laird	select CPU_MIPSR2_IRQ_VI
1318edb6310aSDaniel Laird
1319edb6310aSDaniel Lairdconfig SOC_PNX8335
1320edb6310aSDaniel Laird	bool
1321edb6310aSDaniel Laird	select SOC_PNX833X
1322edb6310aSDaniel Laird
1323a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1324a7e07b1aSMarkos Chandras	bool
1325a7e07b1aSMarkos Chandras
13261da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
13271da177e4SLinus Torvalds	bool
13281da177e4SLinus Torvalds
1329e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1330e2defae5SThomas Bogendoerfer	bool
1331e2defae5SThomas Bogendoerfer
13325b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
13335b438c44SThomas Bogendoerfer	bool
13345b438c44SThomas Bogendoerfer
1335e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1336e2defae5SThomas Bogendoerfer	bool
1337e2defae5SThomas Bogendoerfer
1338e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1339e2defae5SThomas Bogendoerfer	bool
1340e2defae5SThomas Bogendoerfer
1341e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1342e2defae5SThomas Bogendoerfer	bool
1343e2defae5SThomas Bogendoerfer
1344e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1345e2defae5SThomas Bogendoerfer	bool
1346e2defae5SThomas Bogendoerfer
1347e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1348e2defae5SThomas Bogendoerfer	bool
1349e2defae5SThomas Bogendoerfer
13500e2794b0SRalf Baechleconfig FW_ARC32
13515e83d430SRalf Baechle	bool
13525e83d430SRalf Baechle
1353aaa9fad3SPaul Bolleconfig FW_SNIPROM
1354231a35d3SThomas Bogendoerfer	bool
1355231a35d3SThomas Bogendoerfer
13561da177e4SLinus Torvaldsconfig BOOT_ELF32
13571da177e4SLinus Torvalds	bool
13581da177e4SLinus Torvalds
1359930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1360930beb5aSFlorian Fainelli	bool
1361930beb5aSFlorian Fainelli
1362930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1363930beb5aSFlorian Fainelli	bool
1364930beb5aSFlorian Fainelli
1365930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1366930beb5aSFlorian Fainelli	bool
1367930beb5aSFlorian Fainelli
1368930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1369930beb5aSFlorian Fainelli	bool
1370930beb5aSFlorian Fainelli
13711da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
13721da177e4SLinus Torvalds	int
1373a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
13745432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
13755432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
13765432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
13771da177e4SLinus Torvalds	default "5"
13781da177e4SLinus Torvalds
13791da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT
13801da177e4SLinus Torvalds	bool
13811da177e4SLinus Torvalds
1382e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1383e9422427SThomas Bogendoerfer	bool
1384e9422427SThomas Bogendoerfer
13851da177e4SLinus Torvaldsconfig ARC_CONSOLE
13861da177e4SLinus Torvalds	bool "ARC console support"
1387e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
13881da177e4SLinus Torvalds
13891da177e4SLinus Torvaldsconfig ARC_MEMORY
13901da177e4SLinus Torvalds	bool
13911da177e4SLinus Torvalds
13921da177e4SLinus Torvaldsconfig ARC_PROMLIB
13931da177e4SLinus Torvalds	bool
13941da177e4SLinus Torvalds
13950e2794b0SRalf Baechleconfig FW_ARC64
13961da177e4SLinus Torvalds	bool
13971da177e4SLinus Torvalds
13981da177e4SLinus Torvaldsconfig BOOT_ELF64
13991da177e4SLinus Torvalds	bool
14001da177e4SLinus Torvalds
14011da177e4SLinus Torvaldsmenu "CPU selection"
14021da177e4SLinus Torvalds
14031da177e4SLinus Torvaldschoice
14041da177e4SLinus Torvalds	prompt "CPU type"
14051da177e4SLinus Torvalds	default CPU_R4X00
14061da177e4SLinus Torvalds
1407268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1408268a2d60SJiaxun Yang	bool "Loongson GSx64 CPU"
1409268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1410d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
14110e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
14120e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
14130e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
14147507445bSHuacai Chen	select CPU_SUPPORTS_MSA
1415932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
14160e476d91SHuacai Chen	select WEAK_ORDERING
14170e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
14187507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1419b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
142017c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
1421d30a2b47SLinus Walleij	select GPIOLIB
142209230cbcSChristoph Hellwig	select SWIOTLB
14230e476d91SHuacai Chen	help
1424268a2d60SJiaxun Yang		The Loongson GSx64 series of processor cores implements the
1425268a2d60SJiaxun Yang		MIPS64R2 instruction set with many extensions.
14260e476d91SHuacai Chen
1427268a2d60SJiaxun Yangconfig LOONGSON64_ENHANCEMENT
1428268a2d60SJiaxun Yang	bool "New Loongson GSx64E CPU Enhancements"
14291e820da3SHuacai Chen	default n
14301e820da3SHuacai Chen	select CPU_MIPSR2
14311e820da3SHuacai Chen	select CPU_HAS_PREFETCH
1432268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
14331e820da3SHuacai Chen	help
1434268a2d60SJiaxun Yang	  New Loongson GSx64E cores (since Loongson-3A R2, as opposed to Loongson-3A
14351e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1436268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
14371e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
14381e820da3SHuacai Chen	  Fast TLB refill support, etc.
14391e820da3SHuacai Chen
14401e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
14411e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
14421e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
14431e820da3SHuacai Chen	  new Loongson 3 machines only, please say 'Y' here.
14441e820da3SHuacai Chen
1445e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1446e02e07e3SHuacai Chen	bool "Old Loongson 3 LLSC Workarounds"
1447e02e07e3SHuacai Chen	default y if SMP
1448268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1449e02e07e3SHuacai Chen	help
1450e02e07e3SHuacai Chen	  Loongson 3 processors have the llsc issues which require workarounds.
1451e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1452e02e07e3SHuacai Chen
1453e02e07e3SHuacai Chen	  Newer Loongson 3 will fix these issues and no workarounds are needed.
1454e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1455e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1456e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1457e02e07e3SHuacai Chen
1458e02e07e3SHuacai Chen	  If unsure, please say Y.
1459e02e07e3SHuacai Chen
14603702bba5SWu Zhangjinconfig CPU_LOONGSON2E
14613702bba5SWu Zhangjin	bool "Loongson 2E"
14623702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1463268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
14642a21c730SFuxin Zhang	help
14652a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
14662a21c730SFuxin Zhang	  with many extensions.
14672a21c730SFuxin Zhang
146825985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
14696f7a251aSWu Zhangjin	  bonito64.
14706f7a251aSWu Zhangjin
14716f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
14726f7a251aSWu Zhangjin	bool "Loongson 2F"
14736f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1474268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1475d30a2b47SLinus Walleij	select GPIOLIB
14766f7a251aSWu Zhangjin	help
14776f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
14786f7a251aSWu Zhangjin	  with many extensions.
14796f7a251aSWu Zhangjin
14806f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
14816f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
14826f7a251aSWu Zhangjin	  Loongson2E.
14836f7a251aSWu Zhangjin
1484ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1485ca585cf9SKelvin Cheung	bool "Loongson 1B"
1486ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1487ca585cf9SKelvin Cheung	select CPU_LOONGSON1
14889ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1489ca585cf9SKelvin Cheung	help
1490ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1491968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1492968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1493ca585cf9SKelvin Cheung
149412e3280bSYang Lingconfig CPU_LOONGSON1C
149512e3280bSYang Ling	bool "Loongson 1C"
149612e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
149712e3280bSYang Ling	select CPU_LOONGSON1
149812e3280bSYang Ling	select LEDS_GPIO_REGISTER
149912e3280bSYang Ling	help
150012e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1501968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1502968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
150312e3280bSYang Ling
15046e760c8dSRalf Baechleconfig CPU_MIPS32_R1
15056e760c8dSRalf Baechle	bool "MIPS32 Release 1"
15067cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
15076e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1508932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1509797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1510ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15116e760c8dSRalf Baechle	help
15125e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15131e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15141e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15151e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15161e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15171e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
15181e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
15191e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
15201e5f1caaSRalf Baechle	  performance.
15211e5f1caaSRalf Baechle
15221e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
15231e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
15247cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
15251e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1526932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1527797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1528ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1529a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
15302235a54dSSanjay Lal	select HAVE_KVM
15311e5f1caaSRalf Baechle	help
15325e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15336e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15346e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15356e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15366e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15371da177e4SLinus Torvalds
15387fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1539674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
15407fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
15417fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
15427fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15437fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
15447fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15457fd08ca5SLeonid Yegoshin	select HAVE_KVM
15467fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
15477fd08ca5SLeonid Yegoshin	help
15487fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15497fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
15507fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
15517fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
15527fd08ca5SLeonid Yegoshin
15536e760c8dSRalf Baechleconfig CPU_MIPS64_R1
15546e760c8dSRalf Baechle	bool "MIPS64 Release 1"
15557cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1556797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1557932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1558ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1559ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1560ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15619cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
15626e760c8dSRalf Baechle	help
15636e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15646e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15656e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15666e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15676e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15681e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
15691e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
15701e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
15711e5f1caaSRalf Baechle	  performance.
15721e5f1caaSRalf Baechle
15731e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15741e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15757cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1576797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1577932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
15781e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15791e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1580ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15819cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1582a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
158340a2df49SJames Hogan	select HAVE_KVM
15841e5f1caaSRalf Baechle	help
15851e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15861e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15871e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15881e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15891e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15901da177e4SLinus Torvalds
15917fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1592674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
15937fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
15947fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
15957fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15967fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
15977fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1598afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
15997fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
16002e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
160140a2df49SJames Hogan	select HAVE_KVM
16027fd08ca5SLeonid Yegoshin	help
16037fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
16047fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
16057fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
16067fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
16077fd08ca5SLeonid Yegoshin
16081da177e4SLinus Torvaldsconfig CPU_R3000
16091da177e4SLinus Torvalds	bool "R3000"
16107cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1611f7062ddbSRalf Baechle	select CPU_HAS_WB
1612932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
161354746829SPaul Burton	select CPU_R3K_TLB
1614ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1615797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
16161da177e4SLinus Torvalds	help
16171da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
16181da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
16191da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
16201da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
16211da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
16221da177e4SLinus Torvalds	  try to recompile with R3000.
16231da177e4SLinus Torvalds
16241da177e4SLinus Torvaldsconfig CPU_TX39XX
16251da177e4SLinus Torvalds	bool "R39XX"
16267cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1627ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1628932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
162954746829SPaul Burton	select CPU_R3K_TLB
16301da177e4SLinus Torvalds
16311da177e4SLinus Torvaldsconfig CPU_VR41XX
16321da177e4SLinus Torvalds	bool "R41xx"
16337cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1634ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1635ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1636932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16371da177e4SLinus Torvalds	help
16385e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16391da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16401da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16411da177e4SLinus Torvalds	  processor or vice versa.
16421da177e4SLinus Torvalds
16431da177e4SLinus Torvaldsconfig CPU_R4X00
16441da177e4SLinus Torvalds	bool "R4x00"
16457cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1646ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1647ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1648970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1649932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16501da177e4SLinus Torvalds	help
16511da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16521da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16531da177e4SLinus Torvalds
16541da177e4SLinus Torvaldsconfig CPU_TX49XX
16551da177e4SLinus Torvalds	bool "R49XX"
16567cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1657de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1658932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1659ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1660ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1661970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16621da177e4SLinus Torvalds
16631da177e4SLinus Torvaldsconfig CPU_R5000
16641da177e4SLinus Torvalds	bool "R5000"
16657cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1666ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1667ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1668970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1669932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16701da177e4SLinus Torvalds	help
16711da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16721da177e4SLinus Torvalds
1673542c1020SShinya Kuribayashiconfig CPU_R5500
1674542c1020SShinya Kuribayashi	bool "R5500"
1675542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1676542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1677542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
16789cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1679932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1680542c1020SShinya Kuribayashi	help
1681542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1682542c1020SShinya Kuribayashi	  instruction set.
1683542c1020SShinya Kuribayashi
16841da177e4SLinus Torvaldsconfig CPU_NEVADA
16851da177e4SLinus Torvalds	bool "RM52xx"
16867cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1687ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1688ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1689970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1690932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
16911da177e4SLinus Torvalds	help
16921da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
16931da177e4SLinus Torvalds
16941da177e4SLinus Torvaldsconfig CPU_R10000
16951da177e4SLinus Torvalds	bool "R10000"
16967cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
16975e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1698932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1699ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1700ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1701797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1702970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17031da177e4SLinus Torvalds	help
17041da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
17051da177e4SLinus Torvalds
17061da177e4SLinus Torvaldsconfig CPU_RM7000
17071da177e4SLinus Torvalds	bool "RM7000"
17087cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
17095e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1710932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1711ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1712ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1713797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1714970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17151da177e4SLinus Torvalds
17161da177e4SLinus Torvaldsconfig CPU_SB1
17171da177e4SLinus Torvalds	bool "SB1"
17187cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1719932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1720ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1721ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1722797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1723970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17240004a9dfSRalf Baechle	select WEAK_ORDERING
17251da177e4SLinus Torvalds
1726a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1727a86c7f72SDavid Daney	bool "Cavium Octeon processor"
17285e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1729a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1730932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1731a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1732a86c7f72SDavid Daney	select WEAK_ORDERING
1733a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17349cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1735df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1736df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1737930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17380ae3abcdSJames Hogan	select HAVE_KVM
1739a86c7f72SDavid Daney	help
1740a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1741a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1742a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1743a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1744a86c7f72SDavid Daney
1745cd746249SJonas Gorskiconfig CPU_BMIPS
1746cd746249SJonas Gorski	bool "Broadcom BMIPS"
1747cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1748cd746249SJonas Gorski	select CPU_MIPS32
1749fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1750cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1751cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1752cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1753cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1754cd746249SJonas Gorski	select DMA_NONCOHERENT
175567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1756cd746249SJonas Gorski	select SWAP_IO_SPACE
1757cd746249SJonas Gorski	select WEAK_ORDERING
1758c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
175969aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1760932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1761a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1762a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1763c1c0c461SKevin Cernekee	help
1764fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1765c1c0c461SKevin Cernekee
17667f058e85SJayachandran Cconfig CPU_XLR
17677f058e85SJayachandran C	bool "Netlogic XLR SoC"
17687f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
1769932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
17707f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17717f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
17727f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1773970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17747f058e85SJayachandran C	select WEAK_ORDERING
17757f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
17767f058e85SJayachandran C	help
17777f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
17781c773ea4SJayachandran C
17791c773ea4SJayachandran Cconfig CPU_XLP
17801c773ea4SJayachandran C	bool "Netlogic XLP SoC"
17811c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
17821c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17831c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
17841c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
17851c773ea4SJayachandran C	select WEAK_ORDERING
17861c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
17871c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1788932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1789d6504846SJayachandran C	select CPU_MIPSR2
1790ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
17912db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
17921c773ea4SJayachandran C	help
17931c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
17941da177e4SLinus Torvaldsendchoice
17951da177e4SLinus Torvalds
1796a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1797a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1798a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
17997fd08ca5SLeonid Yegoshin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1800a6e18781SLeonid Yegoshin	help
1801a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1802a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1803a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1804a6e18781SLeonid Yegoshin
1805a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1806a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1807a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1808a6e18781SLeonid Yegoshin	select EVA
1809a6e18781SLeonid Yegoshin	default y
1810a6e18781SLeonid Yegoshin	help
1811a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1812a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1813a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1814a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1815a6e18781SLeonid Yegoshin
1816c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1817c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1818c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1819c5b36783SSteven J. Hill	depends on CPU_MIPS32_R2
1820c5b36783SSteven J. Hill	help
1821c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1822c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1823c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1824c5b36783SSteven J. Hill
1825c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1826c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1827c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1828c5b36783SSteven J. Hill	depends on !EVA
1829c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1830c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1831c5b36783SSteven J. Hill	select XPA
1832c5b36783SSteven J. Hill	select HIGHMEM
1833d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1834c5b36783SSteven J. Hill	default n
1835c5b36783SSteven J. Hill	help
1836c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1837c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1838c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1839c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1840c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1841c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1842c5b36783SSteven J. Hill
1843622844bfSWu Zhangjinif CPU_LOONGSON2F
1844622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1845622844bfSWu Zhangjin	bool
1846622844bfSWu Zhangjin
1847622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1848622844bfSWu Zhangjin	bool
1849622844bfSWu Zhangjin
1850622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1851622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1852622844bfSWu Zhangjin	default y
1853622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1854622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1855622844bfSWu Zhangjin	help
1856622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1857622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1858622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1859622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1860622844bfSWu Zhangjin
1861622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1862622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1863622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1864622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1865622844bfSWu Zhangjin	  systems.
1866622844bfSWu Zhangjin
1867622844bfSWu Zhangjin	  If unsure, please say Y.
1868622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1869622844bfSWu Zhangjin
18701b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18711b93b3c3SWu Zhangjin	bool
18721b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18731b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
187431c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18751b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1876fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18774e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
18781b93b3c3SWu Zhangjin
18791b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18801b93b3c3SWu Zhangjin	bool
18811b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18821b93b3c3SWu Zhangjin
1883dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1884dbb98314SAlban Bedel	bool
1885dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1886dbb98314SAlban Bedel
1887268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
18883702bba5SWu Zhangjin	bool
18893702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
18903702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
18913702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1892970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1893e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
1894932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
18953702bba5SWu Zhangjin
1896ca585cf9SKelvin Cheungconfig CPU_LOONGSON1
1897ca585cf9SKelvin Cheung	bool
1898ca585cf9SKelvin Cheung	select CPU_MIPS32
18997e280f6bSJiaxun Yang	select CPU_MIPSR2
1900ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1901932afdeeSYasha Cherikovsky	select CPU_HAS_LOAD_STORE_LR
1902ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1903ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1904f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1905ca585cf9SKelvin Cheung
1906fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
190704fa8bf7SJonas Gorski	select SMP_UP if SMP
19081bbb6c1bSKevin Cernekee	bool
1909cd746249SJonas Gorski
1910cd746249SJonas Gorskiconfig CPU_BMIPS4350
1911cd746249SJonas Gorski	bool
1912cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1913cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1914cd746249SJonas Gorski
1915cd746249SJonas Gorskiconfig CPU_BMIPS4380
1916cd746249SJonas Gorski	bool
1917bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1918cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1919cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1920b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1921cd746249SJonas Gorski
1922cd746249SJonas Gorskiconfig CPU_BMIPS5000
1923cd746249SJonas Gorski	bool
1924cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1925bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1926cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1927cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1928b4720809SFlorian Fainelli	select CPU_HAS_RIXI
19291bbb6c1bSKevin Cernekee
1930268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
19310e476d91SHuacai Chen	bool
19320e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1933b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19340e476d91SHuacai Chen
19353702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19362a21c730SFuxin Zhang	bool
19372a21c730SFuxin Zhang
19386f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19396f7a251aSWu Zhangjin	bool
194055045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
194155045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
194222f1fdfdSWu Zhangjin	select CPU_SUPPORTS_UNCACHED_ACCELERATED
19436f7a251aSWu Zhangjin
1944ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1945ca585cf9SKelvin Cheung	bool
1946ca585cf9SKelvin Cheung
194712e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
194812e3280bSYang Ling	bool
194912e3280bSYang Ling
19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
19517cf8053bSRalf Baechle	bool
19527cf8053bSRalf Baechle
19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
19547cf8053bSRalf Baechle	bool
19557cf8053bSRalf Baechle
1956a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1957a6e18781SLeonid Yegoshin	bool
1958a6e18781SLeonid Yegoshin
1959c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1960c5b36783SSteven J. Hill	bool
19619ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1962c5b36783SSteven J. Hill
19637fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
19647fd08ca5SLeonid Yegoshin	bool
19659ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19667fd08ca5SLeonid Yegoshin
19677cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
19687cf8053bSRalf Baechle	bool
19697cf8053bSRalf Baechle
19707cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19717cf8053bSRalf Baechle	bool
19727cf8053bSRalf Baechle
19737fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19747fd08ca5SLeonid Yegoshin	bool
19759ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19767fd08ca5SLeonid Yegoshin
19777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19787cf8053bSRalf Baechle	bool
19797cf8053bSRalf Baechle
19807cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19817cf8053bSRalf Baechle	bool
19827cf8053bSRalf Baechle
19837cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
19847cf8053bSRalf Baechle	bool
19857cf8053bSRalf Baechle
19867cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
19877cf8053bSRalf Baechle	bool
19887cf8053bSRalf Baechle
19897cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
19907cf8053bSRalf Baechle	bool
19917cf8053bSRalf Baechle
19927cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
19937cf8053bSRalf Baechle	bool
19947cf8053bSRalf Baechle
1995542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
1996542c1020SShinya Kuribayashi	bool
1997542c1020SShinya Kuribayashi
19987cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
19997cf8053bSRalf Baechle	bool
20007cf8053bSRalf Baechle
20017cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
20027cf8053bSRalf Baechle	bool
20039ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20047cf8053bSRalf Baechle
20057cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
20067cf8053bSRalf Baechle	bool
20077cf8053bSRalf Baechle
20087cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
20097cf8053bSRalf Baechle	bool
20107cf8053bSRalf Baechle
20115e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
20125e683389SDavid Daney	bool
20135e683389SDavid Daney
2014cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
2015c1c0c461SKevin Cernekee	bool
2016c1c0c461SKevin Cernekee
2017fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
2018c1c0c461SKevin Cernekee	bool
2019cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2020c1c0c461SKevin Cernekee
2021c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
2022c1c0c461SKevin Cernekee	bool
2023cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2024c1c0c461SKevin Cernekee
2025c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
2026c1c0c461SKevin Cernekee	bool
2027cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2028c1c0c461SKevin Cernekee
2029c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2030c1c0c461SKevin Cernekee	bool
2031cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2032f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
2033c1c0c461SKevin Cernekee
20347f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20357f058e85SJayachandran C	bool
20367f058e85SJayachandran C
20371c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20381c773ea4SJayachandran C	bool
20391c773ea4SJayachandran C
204017099b11SRalf Baechle#
204117099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
204217099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
204317099b11SRalf Baechle#
20440004a9dfSRalf Baechleconfig WEAK_ORDERING
20450004a9dfSRalf Baechle	bool
204617099b11SRalf Baechle
204717099b11SRalf Baechle#
204817099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
204917099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
205017099b11SRalf Baechle#
205117099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
205217099b11SRalf Baechle	bool
20535e83d430SRalf Baechleendmenu
20545e83d430SRalf Baechle
20555e83d430SRalf Baechle#
20565e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
20575e83d430SRalf Baechle#
20585e83d430SRalf Baechleconfig CPU_MIPS32
20595e83d430SRalf Baechle	bool
20607fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
20615e83d430SRalf Baechle
20625e83d430SRalf Baechleconfig CPU_MIPS64
20635e83d430SRalf Baechle	bool
20647fd08ca5SLeonid Yegoshin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
20655e83d430SRalf Baechle
20665e83d430SRalf Baechle#
206757eeacedSPaul Burton# These indicate the revision of the architecture
20685e83d430SRalf Baechle#
20695e83d430SRalf Baechleconfig CPU_MIPSR1
20705e83d430SRalf Baechle	bool
20715e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20725e83d430SRalf Baechle
20735e83d430SRalf Baechleconfig CPU_MIPSR2
20745e83d430SRalf Baechle	bool
2075a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20768256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2077a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20785e83d430SRalf Baechle
20797fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
20807fd08ca5SLeonid Yegoshin	bool
20817fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
20828256b17eSFlorian Fainelli	select CPU_HAS_RIXI
208387321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
20842db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
20854a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2086a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20875e83d430SRalf Baechle
208857eeacedSPaul Burtonconfig TARGET_ISA_REV
208957eeacedSPaul Burton	int
209057eeacedSPaul Burton	default 1 if CPU_MIPSR1
209157eeacedSPaul Burton	default 2 if CPU_MIPSR2
209257eeacedSPaul Burton	default 6 if CPU_MIPSR6
209357eeacedSPaul Burton	default 0
209457eeacedSPaul Burton	help
209557eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
209657eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
209757eeacedSPaul Burton
2098a6e18781SLeonid Yegoshinconfig EVA
2099a6e18781SLeonid Yegoshin	bool
2100a6e18781SLeonid Yegoshin
2101c5b36783SSteven J. Hillconfig XPA
2102c5b36783SSteven J. Hill	bool
2103c5b36783SSteven J. Hill
21045e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
21055e83d430SRalf Baechle	bool
21065e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
21075e83d430SRalf Baechle	bool
21085e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
21095e83d430SRalf Baechle	bool
21105e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
21115e83d430SRalf Baechle	bool
211255045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
211355045ff5SWu Zhangjin	bool
211455045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
211555045ff5SWu Zhangjin	bool
21169cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
21179cffd154SDavid Daney	bool
2118171543e7SDaniel Silsby	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
211922f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED
212022f1fdfdSWu Zhangjin	bool
212182622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
212282622284SDavid Daney	bool
2123cebf8c0fSPaul Burton	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
21245e83d430SRalf Baechle
21258192c9eaSDavid Daney#
21268192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
21278192c9eaSDavid Daney#
21288192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
21298192c9eaSDavid Daney	bool
2130679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
21318192c9eaSDavid Daney
21325e83d430SRalf Baechlemenu "Kernel type"
21335e83d430SRalf Baechle
21345e83d430SRalf Baechlechoice
21355e83d430SRalf Baechle	prompt "Kernel code model"
21365e83d430SRalf Baechle	help
21375e83d430SRalf Baechle	  You should only select this option if you have a workload that
21385e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
21395e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
21405e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
21415e83d430SRalf Baechle
21425e83d430SRalf Baechleconfig 32BIT
21435e83d430SRalf Baechle	bool "32-bit kernel"
21445e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
21455e83d430SRalf Baechle	select TRAD_SIGNALS
21465e83d430SRalf Baechle	help
21475e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2148f17c4ca3SRalf Baechle
21495e83d430SRalf Baechleconfig 64BIT
21505e83d430SRalf Baechle	bool "64-bit kernel"
21515e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21525e83d430SRalf Baechle	help
21535e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21545e83d430SRalf Baechle
21555e83d430SRalf Baechleendchoice
21565e83d430SRalf Baechle
21572235a54dSSanjay Lalconfig KVM_GUEST
21582235a54dSSanjay Lal	bool "KVM Guest Kernel"
2159f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
21602235a54dSSanjay Lal	help
2161caa1faa7SJames Hogan	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2162caa1faa7SJames Hogan	  mode.
21632235a54dSSanjay Lal
2164eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
2165eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
21662235a54dSSanjay Lal	depends on KVM_GUEST
2167eda3d33cSJames Hogan	default 100
21682235a54dSSanjay Lal	help
2169eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2170eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
2171eda3d33cSJames Hogan	  timer frequency is specified directly.
21722235a54dSSanjay Lal
21731e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
21741e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
21751e321fa9SLeonid Yegoshin	depends on 64BIT
21761e321fa9SLeonid Yegoshin	help
21773377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
21783377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
21793377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
21803377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
21813377e227SAlex Belits	  level of page tables is added which imposes both a memory
21823377e227SAlex Belits	  overhead as well as slower TLB fault handling.
21833377e227SAlex Belits
21841e321fa9SLeonid Yegoshin	  If unsure, say N.
21851e321fa9SLeonid Yegoshin
21861da177e4SLinus Torvaldschoice
21871da177e4SLinus Torvalds	prompt "Kernel page size"
21881da177e4SLinus Torvalds	default PAGE_SIZE_4KB
21891da177e4SLinus Torvalds
21901da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
21911da177e4SLinus Torvalds	bool "4kB"
2192268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
21931da177e4SLinus Torvalds	help
21941da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
21951da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
21961da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
21971da177e4SLinus Torvalds	  recommended for low memory systems.
21981da177e4SLinus Torvalds
21991da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
22001da177e4SLinus Torvalds	bool "8kB"
2201c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
22021e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
22031da177e4SLinus Torvalds	help
22041da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
22051da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2206c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2207c2aeaaeaSPaul Burton	  distribution to support this.
22081da177e4SLinus Torvalds
22091da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
22101da177e4SLinus Torvalds	bool "16kB"
2211714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
22121da177e4SLinus Torvalds	help
22131da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
22141da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2215714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2216714bfad6SRalf Baechle	  Linux distribution to support this.
22171da177e4SLinus Torvalds
2218c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2219c52399beSRalf Baechle	bool "32kB"
2220c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
22211e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2222c52399beSRalf Baechle	help
2223c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2224c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2225c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2226c52399beSRalf Baechle	  distribution to support this.
2227c52399beSRalf Baechle
22281da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22291da177e4SLinus Torvalds	bool "64kB"
22303b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22311da177e4SLinus Torvalds	help
22321da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22331da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22341da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2235714bfad6SRalf Baechle	  writing this option is still high experimental.
22361da177e4SLinus Torvalds
22371da177e4SLinus Torvaldsendchoice
22381da177e4SLinus Torvalds
2239c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2240c9bace7cSDavid Daney	int "Maximum zone order"
2241e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2242e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2243e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2244e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2245e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2246e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2247c9bace7cSDavid Daney	range 11 64
2248c9bace7cSDavid Daney	default "11"
2249c9bace7cSDavid Daney	help
2250c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2251c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2252c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2253c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2254c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2255c9bace7cSDavid Daney	  increase this value.
2256c9bace7cSDavid Daney
2257c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2258c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2259c9bace7cSDavid Daney
2260c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2261c9bace7cSDavid Daney	  when choosing a value for this option.
2262c9bace7cSDavid Daney
22631da177e4SLinus Torvaldsconfig BOARD_SCACHE
22641da177e4SLinus Torvalds	bool
22651da177e4SLinus Torvalds
22661da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22671da177e4SLinus Torvalds	bool
22681da177e4SLinus Torvalds	select BOARD_SCACHE
22691da177e4SLinus Torvalds
22709318c51aSChris Dearman#
22719318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
22729318c51aSChris Dearman#
22739318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
22749318c51aSChris Dearman	bool
22759318c51aSChris Dearman	select BOARD_SCACHE
22769318c51aSChris Dearman
22771da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
22781da177e4SLinus Torvalds	bool
22791da177e4SLinus Torvalds	select BOARD_SCACHE
22801da177e4SLinus Torvalds
22811da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
22821da177e4SLinus Torvalds	bool
22831da177e4SLinus Torvalds	select BOARD_SCACHE
22841da177e4SLinus Torvalds
22851da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
22861da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
22871da177e4SLinus Torvalds	depends on CPU_SB1
22881da177e4SLinus Torvalds	help
22891da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
22901da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
22911da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
22921da177e4SLinus Torvalds
22931da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2294c8094b53SRalf Baechle	bool
22951da177e4SLinus Torvalds
22963165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
22973165c846SFlorian Fainelli	bool
2298c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
22993165c846SFlorian Fainelli
2300c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2301183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2302183b40f9SPaul Burton	default y
2303183b40f9SPaul Burton	help
2304183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2305183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2306183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2307183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2308183b40f9SPaul Burton	  receive a SIGILL.
2309183b40f9SPaul Burton
2310183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2311183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2312183b40f9SPaul Burton
2313183b40f9SPaul Burton	  If unsure, say y.
2314c92e47e5SPaul Burton
231597f7dcbfSPaul Burtonconfig CPU_R2300_FPU
231697f7dcbfSPaul Burton	bool
2317c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
231897f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
231997f7dcbfSPaul Burton
232054746829SPaul Burtonconfig CPU_R3K_TLB
232154746829SPaul Burton	bool
232254746829SPaul Burton
232391405eb6SFlorian Fainelliconfig CPU_R4K_FPU
232491405eb6SFlorian Fainelli	bool
2325c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
232697f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
232791405eb6SFlorian Fainelli
232862cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
232962cedc4fSFlorian Fainelli	bool
233054746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
233162cedc4fSFlorian Fainelli
233259d6ab86SRalf Baechleconfig MIPS_MT_SMP
2333a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23345cbf9688SPaul Burton	default y
2335527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
233659d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2337d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2338c080faa5SSteven J. Hill	select SYNC_R4K
233959d6ab86SRalf Baechle	select MIPS_MT
234059d6ab86SRalf Baechle	select SMP
234187353d8aSRalf Baechle	select SMP_UP
2342c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2343c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2344399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
234559d6ab86SRalf Baechle	help
2346c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2347c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2348c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2349c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2350c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
235159d6ab86SRalf Baechle
2352f41ae0b2SRalf Baechleconfig MIPS_MT
2353f41ae0b2SRalf Baechle	bool
2354f41ae0b2SRalf Baechle
23550ab7aefcSRalf Baechleconfig SCHED_SMT
23560ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
23570ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
23580ab7aefcSRalf Baechle	default n
23590ab7aefcSRalf Baechle	help
23600ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
23610ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
23620ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
23630ab7aefcSRalf Baechle
23640ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
23650ab7aefcSRalf Baechle	bool
23660ab7aefcSRalf Baechle
2367f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2368f41ae0b2SRalf Baechle	bool
2369f41ae0b2SRalf Baechle
2370f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2371f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2372f088fc84SRalf Baechle	default y
2373b633648cSRalf Baechle	depends on MIPS_MT_SMP
237407cc0c9eSRalf Baechle
2375b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2376b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
23779eaa9a82SPaul Burton	depends on CPU_MIPSR6
2378c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2379b0a668fbSLeonid Yegoshin	default y
2380b0a668fbSLeonid Yegoshin	help
2381b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2382b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
238307edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2384b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2385b0a668fbSLeonid Yegoshin	  final kernel image.
2386b0a668fbSLeonid Yegoshin
2387f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2388f35764e7SJames Hogan	bool
2389f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2390f35764e7SJames Hogan	help
2391f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2392f35764e7SJames Hogan	  physical_memsize.
2393f35764e7SJames Hogan
239407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
239507cc0c9eSRalf Baechle	bool "VPE loader support."
2396f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
239707cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
239807cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
239907cc0c9eSRalf Baechle	select MIPS_MT
240007cc0c9eSRalf Baechle	help
240107cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
240207cc0c9eSRalf Baechle	  onto another VPE and running it.
2403f088fc84SRalf Baechle
240417a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
240517a1d523SDeng-Cheng Zhu	bool
240617a1d523SDeng-Cheng Zhu	default "y"
240717a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
240817a1d523SDeng-Cheng Zhu
24091a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
24101a2a6d7eSDeng-Cheng Zhu	bool
24111a2a6d7eSDeng-Cheng Zhu	default "y"
24121a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
24131a2a6d7eSDeng-Cheng Zhu
2414e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2415e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2416e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2417e01402b1SRalf Baechle	default y
2418e01402b1SRalf Baechle	help
2419e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2420e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2421e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2422e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2423e01402b1SRalf Baechle
2424e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2425e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2426e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2427e01402b1SRalf Baechle
2428da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2429da615cf6SDeng-Cheng Zhu	bool
2430da615cf6SDeng-Cheng Zhu	default "y"
2431da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2432da615cf6SDeng-Cheng Zhu
24332c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24342c973ef0SDeng-Cheng Zhu	bool
24352c973ef0SDeng-Cheng Zhu	default "y"
24362c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24372c973ef0SDeng-Cheng Zhu
24384a16ff4cSRalf Baechleconfig MIPS_CMP
24395cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24405676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2441b10b43baSMarkos Chandras	select SMP
2442eb9b5141STim Anderson	select SYNC_R4K
2443b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
24444a16ff4cSRalf Baechle	select WEAK_ORDERING
24454a16ff4cSRalf Baechle	default n
24464a16ff4cSRalf Baechle	help
2447044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2448044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2449044505c7SPaul Burton	  its ability to start secondary CPUs.
24504a16ff4cSRalf Baechle
24515cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
24525cac93b3SPaul Burton	  instead of this.
24535cac93b3SPaul Burton
24540ee958e1SPaul Burtonconfig MIPS_CPS
24550ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
24565a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
24570ee958e1SPaul Burton	select MIPS_CM
24581d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
24590ee958e1SPaul Burton	select SMP
24600ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
24611d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2462c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
24630ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
24640ee958e1SPaul Burton	select WEAK_ORDERING
24650ee958e1SPaul Burton	help
24660ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24670ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24680ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24690ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24700ee958e1SPaul Burton	  support is unavailable.
24710ee958e1SPaul Burton
24723179d37eSPaul Burtonconfig MIPS_CPS_PM
247339a59593SMarkos Chandras	depends on MIPS_CPS
24743179d37eSPaul Burton	bool
24753179d37eSPaul Burton
24769f98f3ddSPaul Burtonconfig MIPS_CM
24779f98f3ddSPaul Burton	bool
24783c9b4166SPaul Burton	select MIPS_CPC
24799f98f3ddSPaul Burton
24809c38cf44SPaul Burtonconfig MIPS_CPC
24819c38cf44SPaul Burton	bool
24822600990eSRalf Baechle
24831da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
24841da177e4SLinus Torvalds	bool
24851da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
24861da177e4SLinus Torvalds	default y
24871da177e4SLinus Torvalds
24881da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
24891da177e4SLinus Torvalds	bool
24901da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
24911da177e4SLinus Torvalds	default y
24921da177e4SLinus Torvalds
24939e2b5372SMarkos Chandraschoice
24949e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
24959e2b5372SMarkos Chandras
24969e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
24979e2b5372SMarkos Chandras	bool "None"
24989e2b5372SMarkos Chandras	help
24999e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
25009e2b5372SMarkos Chandras
25019693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
25029693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
25039e2b5372SMarkos Chandras	bool "SmartMIPS"
25049693a853SFranck Bui-Huu	help
25059693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
25069693a853SFranck Bui-Huu	  increased security at both hardware and software level for
25079693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
25089693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
25099693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
25109693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
25119693a853SFranck Bui-Huu	  here.
25129693a853SFranck Bui-Huu
2513bce86083SSteven J. Hillconfig CPU_MICROMIPS
25147fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
25159e2b5372SMarkos Chandras	bool "microMIPS"
2516bce86083SSteven J. Hill	help
2517bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2518bce86083SSteven J. Hill	  microMIPS ISA
2519bce86083SSteven J. Hill
25209e2b5372SMarkos Chandrasendchoice
25219e2b5372SMarkos Chandras
2522a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
25230ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2524a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2525c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
25262a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2527a5e9a69eSPaul Burton	help
2528a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2529a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
25301db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25311db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25321db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25331db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25341db1af84SPaul Burton	  the size & complexity of your kernel.
2535a5e9a69eSPaul Burton
2536a5e9a69eSPaul Burton	  If unsure, say Y.
2537a5e9a69eSPaul Burton
25381da177e4SLinus Torvaldsconfig CPU_HAS_WB
2539f7062ddbSRalf Baechle	bool
2540e01402b1SRalf Baechle
2541df0ac8a4SKevin Cernekeeconfig XKS01
2542df0ac8a4SKevin Cernekee	bool
2543df0ac8a4SKevin Cernekee
25448256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
25458256b17eSFlorian Fainelli	bool
25468256b17eSFlorian Fainelli
2547932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR
2548932afdeeSYasha Cherikovsky	bool
2549932afdeeSYasha Cherikovsky	help
2550932afdeeSYasha Cherikovsky	  CPU has support for unaligned load and store instructions:
2551932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
2552932afdeeSYasha Cherikovsky	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2553932afdeeSYasha Cherikovsky
2554f41ae0b2SRalf Baechle#
2555f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2556f41ae0b2SRalf Baechle#
2557e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2558f41ae0b2SRalf Baechle	bool
2559e01402b1SRalf Baechle
2560f41ae0b2SRalf Baechle#
2561f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2562f41ae0b2SRalf Baechle#
2563e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2564f41ae0b2SRalf Baechle	bool
2565e01402b1SRalf Baechle
25661da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
25671da177e4SLinus Torvalds	bool
25681da177e4SLinus Torvalds	depends on !CPU_R3000
25691da177e4SLinus Torvalds	default y
25701da177e4SLinus Torvalds
25711da177e4SLinus Torvalds#
257220d60d99SMaciej W. Rozycki# CPU non-features
257320d60d99SMaciej W. Rozycki#
257420d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
257520d60d99SMaciej W. Rozycki	bool
257620d60d99SMaciej W. Rozycki
257720d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
257820d60d99SMaciej W. Rozycki	bool
257920d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
258020d60d99SMaciej W. Rozycki
258120d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
258220d60d99SMaciej W. Rozycki	bool
258320d60d99SMaciej W. Rozycki
2584071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2585071d2f0bSPaul Burton	bool
2586071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2587071d2f0bSPaul Burton
25884edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
25894edf00a4SPaul Burton	int
25904edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25914edf00a4SPaul Burton	default 0
25924edf00a4SPaul Burton
25934edf00a4SPaul Burtonconfig MIPS_ASID_BITS
25944edf00a4SPaul Burton	int
25952db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
25964edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
25974edf00a4SPaul Burton	default 8
25984edf00a4SPaul Burton
25992db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
26002db003a5SPaul Burton	bool
26012db003a5SPaul Burton
26024a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
26034a5dc51eSMarcin Nowakowski	bool
26044a5dc51eSMarcin Nowakowski
260520d60d99SMaciej W. Rozycki#
26061da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
26071da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
26081da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
26091da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
26101da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
26111da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
26121da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
26131da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2614797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2615797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2616797798c1SRalf Baechle#   support.
26171da177e4SLinus Torvalds#
26181da177e4SLinus Torvaldsconfig HIGHMEM
26191da177e4SLinus Torvalds	bool "High Memory Support"
2620a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2621797798c1SRalf Baechle
2622797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2623797798c1SRalf Baechle	bool
2624797798c1SRalf Baechle
2625797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2626797798c1SRalf Baechle	bool
26271da177e4SLinus Torvalds
26289693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26299693a853SFranck Bui-Huu	bool
26309693a853SFranck Bui-Huu
2631a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2632a6a4834cSSteven J. Hill	bool
2633a6a4834cSSteven J. Hill
2634377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2635377cb1b6SRalf Baechle	bool
2636377cb1b6SRalf Baechle	help
2637377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2638377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2639377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2640377cb1b6SRalf Baechle
2641a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2642a5e9a69eSPaul Burton	bool
2643a5e9a69eSPaul Burton
2644b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2645b4819b59SYoichi Yuasa	def_bool y
2646268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2647b4819b59SYoichi Yuasa
2648b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2649b1c6cd42SAtsushi Nemoto	bool
2650397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
265131473747SAtsushi Nemoto
2652d8cb4e11SRalf Baechleconfig NUMA
2653d8cb4e11SRalf Baechle	bool "NUMA Support"
2654d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2655d8cb4e11SRalf Baechle	help
2656d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2657d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2658d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2659d8cb4e11SRalf Baechle	  leave it disabled; on single node systems disable this option
2660d8cb4e11SRalf Baechle	  disabled.
2661d8cb4e11SRalf Baechle
2662d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2663d8cb4e11SRalf Baechle	bool
2664d8cb4e11SRalf Baechle
26658c530ea3SMatt Redfearnconfig RELOCATABLE
26668c530ea3SMatt Redfearn	bool "Relocatable kernel"
26673ff72be4SSteven J. Hill	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
26688c530ea3SMatt Redfearn	help
26698c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
26708c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
26718c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
26728c530ea3SMatt Redfearn	  but are discarded at runtime
26738c530ea3SMatt Redfearn
2674069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2675069fd766SMatt Redfearn	hex "Relocation table size"
2676069fd766SMatt Redfearn	depends on RELOCATABLE
2677069fd766SMatt Redfearn	range 0x0 0x01000000
2678069fd766SMatt Redfearn	default "0x00100000"
2679069fd766SMatt Redfearn	---help---
2680069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2681069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2682069fd766SMatt Redfearn
2683069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2684069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2685069fd766SMatt Redfearn
2686069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2687069fd766SMatt Redfearn
2688069fd766SMatt Redfearn	  If unsure, leave at the default value.
2689069fd766SMatt Redfearn
2690405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2691405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2692405bc8fdSMatt Redfearn	depends on RELOCATABLE
2693405bc8fdSMatt Redfearn	---help---
2694405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2695405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2696405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2697405bc8fdSMatt Redfearn	  of kernel internals.
2698405bc8fdSMatt Redfearn
2699405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2700405bc8fdSMatt Redfearn
2701405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2702405bc8fdSMatt Redfearn
2703405bc8fdSMatt Redfearn	  If unsure, say N.
2704405bc8fdSMatt Redfearn
2705405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2706405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2707405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2708405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2709405bc8fdSMatt Redfearn	range 0x0 0x08000000
2710405bc8fdSMatt Redfearn	default "0x01000000"
2711405bc8fdSMatt Redfearn	---help---
2712405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2713405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2714405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2715405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2716405bc8fdSMatt Redfearn
2717405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2718405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2719405bc8fdSMatt Redfearn
2720c80d79d7SYasunori Gotoconfig NODES_SHIFT
2721c80d79d7SYasunori Goto	int
2722c80d79d7SYasunori Goto	default "6"
2723c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2724c80d79d7SYasunori Goto
272514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
272614f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
2727268a2d60SJiaxun Yang	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
272814f70012SDeng-Cheng Zhu	default y
272914f70012SDeng-Cheng Zhu	help
273014f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
273114f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
273214f70012SDeng-Cheng Zhu
27331da177e4SLinus Torvaldsconfig SMP
27341da177e4SLinus Torvalds	bool "Multi-Processing support"
2735e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2736e73ea273SRalf Baechle	help
27371da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27384a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27394a474157SRobert Graffham	  than one CPU, say Y.
27401da177e4SLinus Torvalds
27414a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
27421da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
27431da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
27444a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
27451da177e4SLinus Torvalds	  will run faster if you say N here.
27461da177e4SLinus Torvalds
27471da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
27481da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
27491da177e4SLinus Torvalds
275003502faaSAdrian Bunk	  See also the SMP-HOWTO available at
275103502faaSAdrian Bunk	  <http://www.tldp.org/docs.html#howto>.
27521da177e4SLinus Torvalds
27531da177e4SLinus Torvalds	  If you don't know what to do here, say N.
27541da177e4SLinus Torvalds
27557840d618SMatt Redfearnconfig HOTPLUG_CPU
27567840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
27577840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
27587840d618SMatt Redfearn	help
27597840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
27607840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
27617840d618SMatt Redfearn	  (Note: power management support will enable this option
27627840d618SMatt Redfearn	    automatically on SMP systems. )
27637840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
27647840d618SMatt Redfearn
276587353d8aSRalf Baechleconfig SMP_UP
276687353d8aSRalf Baechle	bool
276787353d8aSRalf Baechle
27684a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
27694a16ff4cSRalf Baechle	bool
27704a16ff4cSRalf Baechle
27710ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
27720ee958e1SPaul Burton	bool
27730ee958e1SPaul Burton
2774e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2775e73ea273SRalf Baechle	bool
2776e73ea273SRalf Baechle
2777130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2778130e2fb7SRalf Baechle	bool
2779130e2fb7SRalf Baechle
2780130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2781130e2fb7SRalf Baechle	bool
2782130e2fb7SRalf Baechle
2783130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2784130e2fb7SRalf Baechle	bool
2785130e2fb7SRalf Baechle
2786130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2787130e2fb7SRalf Baechle	bool
2788130e2fb7SRalf Baechle
2789130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2790130e2fb7SRalf Baechle	bool
2791130e2fb7SRalf Baechle
27921da177e4SLinus Torvaldsconfig NR_CPUS
2793a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2794a91796a9SJayachandran C	range 2 256
27951da177e4SLinus Torvalds	depends on SMP
2796130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2797130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2798130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2799130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2800130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
28011da177e4SLinus Torvalds	help
28021da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
28031da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
28041da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
280572ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
280672ede9b1SAtsushi Nemoto	  and 2 for all others.
28071da177e4SLinus Torvalds
28081da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
280972ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
281072ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
281172ede9b1SAtsushi Nemoto	  power of two.
28121da177e4SLinus Torvalds
2813399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2814399aaa25SAl Cooper	bool
2815399aaa25SAl Cooper
28167820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28177820b84bSDavid Daney	bool
28187820b84bSDavid Daney
28197820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28207820b84bSDavid Daney	int
28217820b84bSDavid Daney	depends on SMP
28227820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28237820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28247820b84bSDavid Daney
28251723b4a3SAtsushi Nemoto#
28261723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28271723b4a3SAtsushi Nemoto#
28281723b4a3SAtsushi Nemoto
28291723b4a3SAtsushi Nemotochoice
28301723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28311723b4a3SAtsushi Nemoto	default HZ_250
28321723b4a3SAtsushi Nemoto	help
28331723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
28341723b4a3SAtsushi Nemoto
283567596573SPaul Burton	config HZ_24
283667596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
283767596573SPaul Burton
28381723b4a3SAtsushi Nemoto	config HZ_48
28390f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28401723b4a3SAtsushi Nemoto
28411723b4a3SAtsushi Nemoto	config HZ_100
28421723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
28431723b4a3SAtsushi Nemoto
28441723b4a3SAtsushi Nemoto	config HZ_128
28451723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
28461723b4a3SAtsushi Nemoto
28471723b4a3SAtsushi Nemoto	config HZ_250
28481723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
28491723b4a3SAtsushi Nemoto
28501723b4a3SAtsushi Nemoto	config HZ_256
28511723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
28521723b4a3SAtsushi Nemoto
28531723b4a3SAtsushi Nemoto	config HZ_1000
28541723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
28551723b4a3SAtsushi Nemoto
28561723b4a3SAtsushi Nemoto	config HZ_1024
28571723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
28581723b4a3SAtsushi Nemoto
28591723b4a3SAtsushi Nemotoendchoice
28601723b4a3SAtsushi Nemoto
286167596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
286267596573SPaul Burton	bool
286367596573SPaul Burton
28641723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
28651723b4a3SAtsushi Nemoto	bool
28661723b4a3SAtsushi Nemoto
28671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
28681723b4a3SAtsushi Nemoto	bool
28691723b4a3SAtsushi Nemoto
28701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
28711723b4a3SAtsushi Nemoto	bool
28721723b4a3SAtsushi Nemoto
28731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
28741723b4a3SAtsushi Nemoto	bool
28751723b4a3SAtsushi Nemoto
28761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
28771723b4a3SAtsushi Nemoto	bool
28781723b4a3SAtsushi Nemoto
28791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
28801723b4a3SAtsushi Nemoto	bool
28811723b4a3SAtsushi Nemoto
28821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
28831723b4a3SAtsushi Nemoto	bool
28841723b4a3SAtsushi Nemoto
28851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
28861723b4a3SAtsushi Nemoto	bool
288767596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
288867596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
288967596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
289067596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
289167596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
289267596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
289367596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
28941723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
28951723b4a3SAtsushi Nemoto
28961723b4a3SAtsushi Nemotoconfig HZ
28971723b4a3SAtsushi Nemoto	int
289867596573SPaul Burton	default 24 if HZ_24
28991723b4a3SAtsushi Nemoto	default 48 if HZ_48
29001723b4a3SAtsushi Nemoto	default 100 if HZ_100
29011723b4a3SAtsushi Nemoto	default 128 if HZ_128
29021723b4a3SAtsushi Nemoto	default 250 if HZ_250
29031723b4a3SAtsushi Nemoto	default 256 if HZ_256
29041723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
29051723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
29061723b4a3SAtsushi Nemoto
290796685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
290896685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
290996685b17SDeng-Cheng Zhu
2910ea6e942bSAtsushi Nemotoconfig KEXEC
29117d60717eSKees Cook	bool "Kexec system call"
29122965faa5SDave Young	select KEXEC_CORE
2913ea6e942bSAtsushi Nemoto	help
2914ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2915ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29163dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2917ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2918ea6e942bSAtsushi Nemoto
291901dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2920ea6e942bSAtsushi Nemoto
2921ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2922ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2923bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2924bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2925bf220695SGeert Uytterhoeven	  made.
2926ea6e942bSAtsushi Nemoto
29277aa1c8f4SRalf Baechleconfig CRASH_DUMP
29287aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29297aa1c8f4SRalf Baechle	help
29307aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29317aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29327aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29337aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29347aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29357aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29367aa1c8f4SRalf Baechle	  PHYSICAL_START.
29377aa1c8f4SRalf Baechle
29387aa1c8f4SRalf Baechleconfig PHYSICAL_START
29397aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29408bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
29417aa1c8f4SRalf Baechle	depends on CRASH_DUMP
29427aa1c8f4SRalf Baechle	help
29437aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
29447aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
29457aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
29467aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
29477aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
29487aa1c8f4SRalf Baechle
2949ea6e942bSAtsushi Nemotoconfig SECCOMP
2950ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
2951293c5bd1SRalf Baechle	depends on PROC_FS
2952ea6e942bSAtsushi Nemoto	default y
2953ea6e942bSAtsushi Nemoto	help
2954ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
2955ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
2956ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
2957ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
2958ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
2959ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
2960ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
2961ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
2962ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
2963ea6e942bSAtsushi Nemoto
2964ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
2965ea6e942bSAtsushi Nemoto
2966597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
2967b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2968597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
2969597ce172SPaul Burton	help
2970597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
2971597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
2972597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2973597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
2974597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
2975597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
2976597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
2977597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
2978597ce172SPaul Burton	  saying N here.
2979597ce172SPaul Burton
298006e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
298106e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
298206e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
298306e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
298406e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
298506e2e882SPaul Burton	  said details.
298606e2e882SPaul Burton
298706e2e882SPaul Burton	  If unsure, say N.
2988597ce172SPaul Burton
2989f2ffa5abSDezhong Diaoconfig USE_OF
29900b3e06fdSJonas Gorski	bool
2991f2ffa5abSDezhong Diao	select OF
2992e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
2993abd2363fSGrant Likely	select IRQ_DOMAIN
2994f2ffa5abSDezhong Diao
29952fe8ea39SDengcheng Zhuconfig UHI_BOOT
29962fe8ea39SDengcheng Zhu	bool
29972fe8ea39SDengcheng Zhu
29987fafb068SAndrew Brestickerconfig BUILTIN_DTB
29997fafb068SAndrew Bresticker	bool
30007fafb068SAndrew Bresticker
30011da8f179SJonas Gorskichoice
30025b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
30031da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
30041da8f179SJonas Gorski
30051da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
30061da8f179SJonas Gorski		bool "None"
30071da8f179SJonas Gorski		help
30081da8f179SJonas Gorski		  Do not enable appended dtb support.
30091da8f179SJonas Gorski
301087db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
301187db537dSAaro Koskinen		bool "vmlinux"
301287db537dSAaro Koskinen		help
301387db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
301487db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
301587db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
301687db537dSAaro Koskinen		  objcopy:
301787db537dSAaro Koskinen
301887db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
301987db537dSAaro Koskinen
302087db537dSAaro Koskinen		  This is meant as a backward compatiblity convenience for those
302187db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
302287db537dSAaro Koskinen		  the documented boot protocol using a device tree.
302387db537dSAaro Koskinen
30241da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3025b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30261da8f179SJonas Gorski		help
30271da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3028b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30291da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30301da8f179SJonas Gorski
30311da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30321da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30331da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30341da8f179SJonas Gorski
30351da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30361da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30371da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30381da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30391da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30401da8f179SJonas Gorskiendchoice
30411da8f179SJonas Gorski
30422024972eSJonas Gorskichoice
30432024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
30442bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
30453f5f0a44SPaul Burton					 !MIPS_MALTA && \
30462bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
30472024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
30482024972eSJonas Gorski
30492024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
30502024972eSJonas Gorski		depends on USE_OF
30512024972eSJonas Gorski		bool "Dtb kernel arguments if available"
30522024972eSJonas Gorski
30532024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
30542024972eSJonas Gorski		depends on USE_OF
30552024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
30562024972eSJonas Gorski
30572024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
30582024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3059ed47e153SRabin Vincent
3060ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3061ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3062ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
30632024972eSJonas Gorskiendchoice
30642024972eSJonas Gorski
30655e83d430SRalf Baechleendmenu
30665e83d430SRalf Baechle
30671df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
30681df0f0ffSAtsushi Nemoto	bool
30691df0f0ffSAtsushi Nemoto	default y
30701df0f0ffSAtsushi Nemoto
30711df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
30721df0f0ffSAtsushi Nemoto	bool
30731df0f0ffSAtsushi Nemoto	default y
30741df0f0ffSAtsushi Nemoto
3075a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3076a728ab52SKirill A. Shutemov	int
30773377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3078a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3079a728ab52SKirill A. Shutemov	default 2
3080a728ab52SKirill A. Shutemov
30816c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
30826c359eb1SPaul Burton	bool
30836c359eb1SPaul Burton
30841da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
30851da177e4SLinus Torvalds
3086c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
30872eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3088c5611df9SPaul Burton	bool
3089c5611df9SPaul Burton
3090c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3091c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3092c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
30932eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
30941da177e4SLinus Torvalds
30951da177e4SLinus Torvalds#
30961da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
30971da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
30981da177e4SLinus Torvalds# users to choose the right thing ...
30991da177e4SLinus Torvalds#
31001da177e4SLinus Torvaldsconfig ISA
31011da177e4SLinus Torvalds	bool
31021da177e4SLinus Torvalds
31031da177e4SLinus Torvaldsconfig TC
31041da177e4SLinus Torvalds	bool "TURBOchannel support"
31051da177e4SLinus Torvalds	depends on MACH_DECSTATION
31061da177e4SLinus Torvalds	help
310750a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
310850a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
310950a23e6eSJustin P. Mattock	  at:
311050a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
311150a23e6eSJustin P. Mattock	  and:
311250a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
311350a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
311450a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31151da177e4SLinus Torvalds
31161da177e4SLinus Torvaldsconfig MMU
31171da177e4SLinus Torvalds	bool
31181da177e4SLinus Torvalds	default y
31191da177e4SLinus Torvalds
3120109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3121109c32ffSMatt Redfearn	default 12 if 64BIT
3122109c32ffSMatt Redfearn	default 8
3123109c32ffSMatt Redfearn
3124109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3125109c32ffSMatt Redfearn	default 18 if 64BIT
3126109c32ffSMatt Redfearn	default 15
3127109c32ffSMatt Redfearn
3128109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3129109c32ffSMatt Redfearn	default 8
3130109c32ffSMatt Redfearn
3131109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3132109c32ffSMatt Redfearn	default 15
3133109c32ffSMatt Redfearn
3134d865bea4SRalf Baechleconfig I8253
3135d865bea4SRalf Baechle	bool
3136798778b8SRussell King	select CLKSRC_I8253
31372d02612fSThomas Gleixner	select CLKEVT_I8253
31389726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3139d865bea4SRalf Baechle
3140e05eb3f8SRalf Baechleconfig ZONE_DMA
3141e05eb3f8SRalf Baechle	bool
3142e05eb3f8SRalf Baechle
3143cce335aeSRalf Baechleconfig ZONE_DMA32
3144cce335aeSRalf Baechle	bool
3145cce335aeSRalf Baechle
31461da177e4SLinus Torvaldsendmenu
31471da177e4SLinus Torvalds
31481da177e4SLinus Torvaldsconfig TRAD_SIGNALS
31491da177e4SLinus Torvalds	bool
31501da177e4SLinus Torvalds
31511da177e4SLinus Torvaldsconfig MIPS32_COMPAT
315278aaf956SRalf Baechle	bool
31531da177e4SLinus Torvalds
31541da177e4SLinus Torvaldsconfig COMPAT
31551da177e4SLinus Torvalds	bool
31561da177e4SLinus Torvalds
315705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
315805e43966SAtsushi Nemoto	bool
315905e43966SAtsushi Nemoto
31601da177e4SLinus Torvaldsconfig MIPS32_O32
31611da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
316278aaf956SRalf Baechle	depends on 64BIT
316378aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
316478aaf956SRalf Baechle	select COMPAT
316578aaf956SRalf Baechle	select MIPS32_COMPAT
316678aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31671da177e4SLinus Torvalds	help
31681da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
31691da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
31701da177e4SLinus Torvalds	  existing binaries are in this format.
31711da177e4SLinus Torvalds
31721da177e4SLinus Torvalds	  If unsure, say Y.
31731da177e4SLinus Torvalds
31741da177e4SLinus Torvaldsconfig MIPS32_N32
31751da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3176c22eacfeSRalf Baechle	depends on 64BIT
31775a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
317878aaf956SRalf Baechle	select COMPAT
317978aaf956SRalf Baechle	select MIPS32_COMPAT
318078aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
31811da177e4SLinus Torvalds	help
31821da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
31831da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
31841da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
31851da177e4SLinus Torvalds	  cases.
31861da177e4SLinus Torvalds
31871da177e4SLinus Torvalds	  If unsure, say N.
31881da177e4SLinus Torvalds
31891da177e4SLinus Torvaldsconfig BINFMT_ELF32
31901da177e4SLinus Torvalds	bool
31911da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
3192f43edca7SRalf Baechle	select ELFCORE
31931da177e4SLinus Torvalds
31942116245eSRalf Baechlemenu "Power management options"
3195952fa954SRodolfo Giometti
3196363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3197363c55caSWu Zhangjin	def_bool y
31983f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3199363c55caSWu Zhangjin
3200f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3201f4cb5700SJohannes Berg	def_bool y
32023f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3203f4cb5700SJohannes Berg
32042116245eSRalf Baechlesource "kernel/power/Kconfig"
3205952fa954SRodolfo Giometti
32061da177e4SLinus Torvaldsendmenu
32071da177e4SLinus Torvalds
32087a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32097a998935SViresh Kumar	bool
32107a998935SViresh Kumar
32117a998935SViresh Kumarmenu "CPU Power Management"
3212c095ebafSPaul Burton
3213c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32147a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32157a998935SViresh Kumarendif
32169726b43aSWu Zhangjin
3217c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3218c095ebafSPaul Burton
3219c095ebafSPaul Burtonendmenu
3220c095ebafSPaul Burton
322198cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
322298cdee0eSRalf Baechle
32232235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3224