xref: /linux/arch/mips/Kconfig (revision 855f9a8e87fe3912a1c00eb63f36880d1ad32e40)
1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0
21da177e4SLinus Torvaldsconfig MIPS
31da177e4SLinus Torvalds	bool
41da177e4SLinus Torvalds	default y
5942fa985SYury Norov	select ARCH_32BIT_OFF_T if !64BIT
6ea6a3737SPaul Burton	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7dfad83cbSFlorian Fainelli	select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
834c01e41SAlexander Lobakin	select ARCH_HAS_FORTIFY_SOURCE
934c01e41SAlexander Lobakin	select ARCH_HAS_KCOV
1066633abdSTiezhu Yang	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
1134c01e41SAlexander Lobakin	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
1212597988SMatt Redfearn	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
131e35918aSHassan Naveed	select ARCH_HAS_UBSAN_SANITIZE_ALL
148b3165e5SXingxing Su	select ARCH_HAS_GCOV_PROFILE_ALL
15c55944ccSNick Desaulniers	select ARCH_KEEP_MEMBLOCK
1612597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
171ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
1812597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
19dce44566SAnshuman Khandual	select ARCH_USE_MEMTEST
2025da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
210b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
22*855f9a8eSAnshuman Khandual	select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
239035bd29SAlexandre Ghiti	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
2412597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
25d3a4e0f1SAlexander Lobakin	select ARCH_WANT_LD_ORPHAN_WARN
2610916706SShile Zhang	select BUILDTIME_TABLE_SORT
2712597988SMatt Redfearn	select CLONE_BACKWARDS
2857eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
2912597988SMatt Redfearn	select CPU_PM if CPU_IDLE
3012597988SMatt Redfearn	select GENERIC_ATOMIC64 if !64BIT
3112597988SMatt Redfearn	select GENERIC_CMOS_UPDATE
3212597988SMatt Redfearn	select GENERIC_CPU_AUTOPROBE
33bab1dde3SAlexander Lobakin	select GENERIC_FIND_FIRST_BIT
3424640f23SVincenzo Frascino	select GENERIC_GETTIMEOFDAY
35b962aeb0SPaul Burton	select GENERIC_IOMAP
3612597988SMatt Redfearn	select GENERIC_IRQ_PROBE
3712597988SMatt Redfearn	select GENERIC_IRQ_SHOW
386630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
39740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
40740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
41740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
42740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
43740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
4412597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
4512597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
4612597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
47446f062bSChristoph Hellwig	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
4812597988SMatt Redfearn	select HANDLE_DOMAIN_IRQ
49906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
5012597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
5142b20995SArnd Bergmann	select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
52109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
53109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
54490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
55c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
5645e03e62SDaniel Silsby	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
572ff2b7ecSMasahiro Yamada	select HAVE_ASM_MODVERSIONS
5836366e36SPaul Burton	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
5912597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
60490f561bSFrederic Weisbecker	select HAVE_TIF_NOHZ
6164575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
6212597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
6312597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
6412597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
6512597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
6634c01e41SAlexander Lobakin	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
6712597988SMatt Redfearn	select HAVE_EXIT_THREAD
6867a929e0SChristoph Hellwig	select HAVE_FAST_GUP
6912597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
7029c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
7112597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
7234c01e41SAlexander Lobakin	select HAVE_GCC_PLUGINS
7334c01e41SAlexander Lobakin	select HAVE_GENERIC_VDSO
7412597988SMatt Redfearn	select HAVE_IDE
75b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
7612597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
7712597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
78c1bf207dSDavid Daney	select HAVE_KPROBES
79c1bf207dSDavid Daney	select HAVE_KRETPROBES
80c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
81786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
8242a0bb3fSPetr Mladek	select HAVE_NMI
8312597988SMatt Redfearn	select HAVE_PERF_EVENTS
841ddc96bdSTiezhu Yang	select HAVE_PERF_REGS
851ddc96bdSTiezhu Yang	select HAVE_PERF_USER_STACK_DUMP
8608bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
879ea141adSPaul Burton	select HAVE_RSEQ
8816c0f03fSHassan Naveed	select HAVE_SPARSE_SYSCALL_NR
89d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
9012597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
91a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
9212597988SMatt Redfearn	select IRQ_FORCED_THREADING
936630a8e5SChristoph Hellwig	select ISA if EISA
9412597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
9534c01e41SAlexander Lobakin	select MODULES_USE_ELF_RELA if MODULES && 64BIT
9612597988SMatt Redfearn	select PERF_USE_VMALLOC
97981aa1d3SThomas Gleixner	select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
9805a0a344SArnd Bergmann	select RTC_LIB
9912597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
10012597988SMatt Redfearn	select VIRT_TO_BUS
1010bb87f05SAl Viro	select ARCH_HAS_ELFCORE_COMPAT
1021da177e4SLinus Torvalds
103d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR
104d3991572SChristoph Hellwig	bool
105d3991572SChristoph Hellwig
106c434b9f8SPaul Cercueilconfig MIPS_GENERIC
107c434b9f8SPaul Cercueil	bool
108c434b9f8SPaul Cercueil
109f0f4a753SPaul Cercueilconfig MACH_INGENIC
110f0f4a753SPaul Cercueil	bool
111f0f4a753SPaul Cercueil	select SYS_SUPPORTS_32BIT_KERNEL
112f0f4a753SPaul Cercueil	select SYS_SUPPORTS_LITTLE_ENDIAN
113f0f4a753SPaul Cercueil	select SYS_SUPPORTS_ZBOOT
114f0f4a753SPaul Cercueil	select DMA_NONCOHERENT
115f0f4a753SPaul Cercueil	select IRQ_MIPS_CPU
116f0f4a753SPaul Cercueil	select PINCTRL
117f0f4a753SPaul Cercueil	select GPIOLIB
118f0f4a753SPaul Cercueil	select COMMON_CLK
119f0f4a753SPaul Cercueil	select GENERIC_IRQ_CHIP
120f0f4a753SPaul Cercueil	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
121f0f4a753SPaul Cercueil	select USE_OF
122f0f4a753SPaul Cercueil	select CPU_SUPPORTS_CPUFREQ
123f0f4a753SPaul Cercueil	select MIPS_EXTERNAL_TIMER
124f0f4a753SPaul Cercueil
1251da177e4SLinus Torvaldsmenu "Machine selection"
1261da177e4SLinus Torvalds
1275e83d430SRalf Baechlechoice
1285e83d430SRalf Baechle	prompt "System type"
129c434b9f8SPaul Cercueil	default MIPS_GENERIC_KERNEL
1301da177e4SLinus Torvalds
131c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL
132eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
1334e066441SChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
134c434b9f8SPaul Cercueil	select MIPS_GENERIC
135eed0eabdSPaul Burton	select BOOT_RAW
136eed0eabdSPaul Burton	select BUILTIN_DTB
137eed0eabdSPaul Burton	select CEVT_R4K
138eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
139eed0eabdSPaul Burton	select COMMON_CLK
140eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
14134c01e41SAlexander Lobakin	select CPU_MIPSR2_IRQ_VI
142eed0eabdSPaul Burton	select CSRC_R4K
1434e066441SChristoph Hellwig	select DMA_NONCOHERENT
144eb01d42aSChristoph Hellwig	select HAVE_PCI
145eed0eabdSPaul Burton	select IRQ_MIPS_CPU
1460211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
147eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
148eed0eabdSPaul Burton	select MIPS_GIC
149eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
150eed0eabdSPaul Burton	select NO_EXCEPT_FILL
151eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
152eed0eabdSPaul Burton	select SMP_UP if SMP
153a3078e59SMatt Redfearn	select SWAP_IO_SPACE
154eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
155eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
156eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
157eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
158eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
159eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
160eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
161eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
162eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
163eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
164eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
165eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
166eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
16734c01e41SAlexander Lobakin	select SYS_SUPPORTS_MIPS_CPS
168eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
169eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
170eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
171c3e2ee65SPaul Cercueil	select SYS_SUPPORTS_ZBOOT
17234c01e41SAlexander Lobakin	select UHI_BOOT
1732e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1742e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1752e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1762e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1772e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1782e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
179eed0eabdSPaul Burton	select USE_OF
180eed0eabdSPaul Burton	help
181eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
182eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
183eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
184eed0eabdSPaul Burton	  Interface) specification.
185eed0eabdSPaul Burton
18642a4f17dSManuel Laussconfig MIPS_ALCHEMY
187c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
188d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
189f772cdb2SRalf Baechle	select CEVT_R4K
190d7ea335cSSteven J. Hill	select CSRC_R4K
19167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
192a86497d6SChristoph Hellwig	select DMA_NONCOHERENT		# Au1000,1500,1100 aren't, rest is
193d3991572SChristoph Hellwig	select MIPS_FIXUP_BIGPHYS_ADDR if PCI
19442a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
19542a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
19642a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
197d30a2b47SLinus Walleij	select GPIOLIB
1981b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
19947440229SManuel Lauss	select COMMON_CLK
2001da177e4SLinus Torvalds
2017ca5dc14SFlorian Fainelliconfig AR7
2027ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
2037ca5dc14SFlorian Fainelli	select BOOT_ELF32
2047ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
2057ca5dc14SFlorian Fainelli	select CEVT_R4K
2067ca5dc14SFlorian Fainelli	select CSRC_R4K
20767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2087ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
2097ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
2107ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
2117ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
2127ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
2137ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
214377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2151b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
216d30a2b47SLinus Walleij	select GPIOLIB
2177ca5dc14SFlorian Fainelli	select VLYNQ
218bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
2197ca5dc14SFlorian Fainelli	help
2207ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
2217ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
2227ca5dc14SFlorian Fainelli
22343cc739fSSergey Ryazanovconfig ATH25
22443cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
22543cc739fSSergey Ryazanov	select CEVT_R4K
22643cc739fSSergey Ryazanov	select CSRC_R4K
22743cc739fSSergey Ryazanov	select DMA_NONCOHERENT
22867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
2291753e74eSSergey Ryazanov	select IRQ_DOMAIN
23043cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
23143cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
23243cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
2338aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
23443cc739fSSergey Ryazanov	help
23543cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
23643cc739fSSergey Ryazanov
237d4a67d9dSGabor Juhosconfig ATH79
238d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
239ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
240d4a67d9dSGabor Juhos	select BOOT_RAW
241d4a67d9dSGabor Juhos	select CEVT_R4K
242d4a67d9dSGabor Juhos	select CSRC_R4K
243d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
244d30a2b47SLinus Walleij	select GPIOLIB
245a08227a2SJohn Crispin	select PINCTRL
246411520afSAlban Bedel	select COMMON_CLK
24767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
248d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
249d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
250d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
251d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
252377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
253b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
25403c8c407SAlban Bedel	select USE_OF
25553d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
256d4a67d9dSGabor Juhos	help
257d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
258d4a67d9dSGabor Juhos
2595f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2605f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
26129906e1aSÁlvaro Fernández Rojas	select ARCH_HAS_RESET_CONTROLLER
262d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
263d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
264d666cd02SKevin Cernekee	select BOOT_RAW
265d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
266d666cd02SKevin Cernekee	select USE_OF
267d666cd02SKevin Cernekee	select CEVT_R4K
268d666cd02SKevin Cernekee	select CSRC_R4K
269d666cd02SKevin Cernekee	select SYNC_R4K
270d666cd02SKevin Cernekee	select COMMON_CLK
271c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
27260b858f2SKevin Cernekee	select BCM7038_L1_IRQ
27360b858f2SKevin Cernekee	select BCM7120_L2_IRQ
27460b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
27567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
27660b858f2SKevin Cernekee	select DMA_NONCOHERENT
277d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
27860b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
279d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
280d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
28160b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
28260b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
28360b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
284d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
285d666cd02SKevin Cernekee	select SWAP_IO_SPACE
28660b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
28760b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
28860b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
28960b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2904dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
291d666cd02SKevin Cernekee	help
2925f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2935f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2945f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2955f2d4459SKevin Cernekee	  must be set appropriately for your board.
296d666cd02SKevin Cernekee
2971c0c13ebSAurelien Jarnoconfig BCM47XX
298c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
299fe08f8c2SHauke Mehrtens	select BOOT_RAW
30042f77542SRalf Baechle	select CEVT_R4K
301940f6b48SRalf Baechle	select CSRC_R4K
3021c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
303eb01d42aSChristoph Hellwig	select HAVE_PCI
30467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
305314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
306dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
3071c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
3081c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
309377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
3106507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
31125e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
312e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
313c949c0bcSRafał Miłecki	select GPIOLIB
314c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
315f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
3162ab71a02SRafał Miłecki	select BCM47XX_SPROM
317dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
3181c0c13ebSAurelien Jarno	help
3191c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
3201c0c13ebSAurelien Jarno
321e7300d04SMaxime Bizonconfig BCM63XX
322e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
323ae8de61cSFlorian Fainelli	select BOOT_RAW
324e7300d04SMaxime Bizon	select CEVT_R4K
325e7300d04SMaxime Bizon	select CSRC_R4K
326fc264022SJonas Gorski	select SYNC_R4K
327e7300d04SMaxime Bizon	select DMA_NONCOHERENT
32867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
329e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
330e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
331e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
332e7300d04SMaxime Bizon	select SWAP_IO_SPACE
333d30a2b47SLinus Walleij	select GPIOLIB
334af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
335c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
336bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
337e7300d04SMaxime Bizon	help
338e7300d04SMaxime Bizon	  Support for BCM63XX based boards
339e7300d04SMaxime Bizon
3401da177e4SLinus Torvaldsconfig MIPS_COBALT
3413fa986faSMartin Michlmayr	bool "Cobalt Server"
34242f77542SRalf Baechle	select CEVT_R4K
343940f6b48SRalf Baechle	select CSRC_R4K
3441097c6acSYoichi Yuasa	select CEVT_GT641XX
3451da177e4SLinus Torvalds	select DMA_NONCOHERENT
346eb01d42aSChristoph Hellwig	select FORCE_PCI
347d865bea4SRalf Baechle	select I8253
3481da177e4SLinus Torvalds	select I8259
34967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
350d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
351252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3527cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3530a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
354ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3550e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3565e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
357e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3581da177e4SLinus Torvalds
3591da177e4SLinus Torvaldsconfig MACH_DECSTATION
3603fa986faSMartin Michlmayr	bool "DECstations"
3611da177e4SLinus Torvalds	select BOOT_ELF32
3626457d9fcSYoichi Yuasa	select CEVT_DS1287
36381d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3644247417dSYoichi Yuasa	select CSRC_IOASIC
36581d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
36620d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
36720d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
36820d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3691da177e4SLinus Torvalds	select DMA_NONCOHERENT
370ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
37167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3727cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3737cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
374ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3757d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3765e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3771723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3781723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3791723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
380930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3815e83d430SRalf Baechle	help
3821da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3831da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3841da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3851da177e4SLinus Torvalds
3861da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3871da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3881da177e4SLinus Torvalds
3891da177e4SLinus Torvalds		DECstation 5000/50
3901da177e4SLinus Torvalds		DECstation 5000/150
3911da177e4SLinus Torvalds		DECstation 5000/260
3921da177e4SLinus Torvalds		DECsystem 5900/260
3931da177e4SLinus Torvalds
3941da177e4SLinus Torvalds	  otherwise choose R3000.
3951da177e4SLinus Torvalds
3965e83d430SRalf Baechleconfig MACH_JAZZ
3973fa986faSMartin Michlmayr	bool "Jazz family of machines"
39839b2d756SThomas Bogendoerfer	select ARC_MEMORY
39939b2d756SThomas Bogendoerfer	select ARC_PROMLIB
400a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
4017a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
4022f9237d4SChristoph Hellwig	select DMA_OPS
4030e2794b0SRalf Baechle	select FW_ARC
4040e2794b0SRalf Baechle	select FW_ARC32
4055e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
40642f77542SRalf Baechle	select CEVT_R4K
407940f6b48SRalf Baechle	select CSRC_R4K
408e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
4095e83d430SRalf Baechle	select GENERIC_ISA_DMA
4108a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
41167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
412d865bea4SRalf Baechle	select I8253
4135e83d430SRalf Baechle	select I8259
4145e83d430SRalf Baechle	select ISA
4157cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
4165e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
4177d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
4181723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
419aadfe4b5SArnd Bergmann	select SYS_SUPPORTS_LITTLE_ENDIAN
4201da177e4SLinus Torvalds	help
4215e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
4225e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
423692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
4245e83d430SRalf Baechle	  Olivetti M700-10 workstations.
4255e83d430SRalf Baechle
426f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC
427de361e8bSPaul Burton	bool "Ingenic SoC based machines"
428f0f4a753SPaul Cercueil	select MIPS_GENERIC
429f0f4a753SPaul Cercueil	select MACH_INGENIC
430f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
4315ebabe59SLars-Peter Clausen
432171bb2f1SJohn Crispinconfig LANTIQ
433171bb2f1SJohn Crispin	bool "Lantiq based platforms"
434171bb2f1SJohn Crispin	select DMA_NONCOHERENT
43567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
436171bb2f1SJohn Crispin	select CEVT_R4K
437171bb2f1SJohn Crispin	select CSRC_R4K
438171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
439171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
440171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
441171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
442377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
443171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
444f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
445171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
446d30a2b47SLinus Walleij	select GPIOLIB
447171bb2f1SJohn Crispin	select SWAP_IO_SPACE
448171bb2f1SJohn Crispin	select BOOT_RAW
449287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
450bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
451a0392222SJohn Crispin	select USE_OF
4523f8c50c9SJohn Crispin	select PINCTRL
4533f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
454c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
455c530781cSJohn Crispin	select RESET_CONTROLLER
456171bb2f1SJohn Crispin
45730ad29bbSHuacai Chenconfig MACH_LOONGSON32
458caed1d1bSHuacai Chen	bool "Loongson 32-bit family of machines"
459c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
460ade299d8SYoichi Yuasa	help
46130ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
46285749d24SWu Zhangjin
46330ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
46430ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
46530ad29bbSHuacai Chen	  Sciences (CAS).
466ade299d8SYoichi Yuasa
46771e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
46871e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
469ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
470ca585cf9SKelvin Cheung	help
47171e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
472ca585cf9SKelvin Cheung
47371e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
474caed1d1bSHuacai Chen	bool "Loongson 64-bit family of machines"
4756fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
4766fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
4776fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
4786fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
4796fbde6b4SJiaxun Yang	select BOOT_ELF32
4806fbde6b4SJiaxun Yang	select BOARD_SCACHE
4816fbde6b4SJiaxun Yang	select CSRC_R4K
4826fbde6b4SJiaxun Yang	select CEVT_R4K
4836fbde6b4SJiaxun Yang	select CPU_HAS_WB
4846fbde6b4SJiaxun Yang	select FORCE_PCI
4856fbde6b4SJiaxun Yang	select ISA
4866fbde6b4SJiaxun Yang	select I8259
4876fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
4887d6d2837SJiaxun Yang	select NO_EXCEPT_FILL
4895125bfeeSTiezhu Yang	select NR_CPUS_DEFAULT_64
4906fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
4916423e59aSJiaxun Yang	select PCI_DRIVERS_GENERIC
4926fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
4936fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
4946fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
4956fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
4966fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
4976fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
4986fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
4996fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
50071e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
501a307a4ceSJinyang He	select SYS_SUPPORTS_RELOCATABLE
5026fbde6b4SJiaxun Yang	select ZONE_DMA32
50387fcfa7bSJiaxun Yang	select COMMON_CLK
50487fcfa7bSJiaxun Yang	select USE_OF
50587fcfa7bSJiaxun Yang	select BUILTIN_DTB
50639c1485cSHuacai Chen	select PCI_HOST_GENERIC
50771e2f4ddSJiaxun Yang	help
508caed1d1bSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
509caed1d1bSHuacai Chen
510caed1d1bSHuacai Chen	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
511caed1d1bSHuacai Chen	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
512caed1d1bSHuacai Chen	  and Loongson-2F which will be removed), developed by the Institute
513caed1d1bSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
514ca585cf9SKelvin Cheung
5156a438309SAndrew Brestickerconfig MACH_PISTACHIO
5166a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
5176a438309SAndrew Bresticker	select BOOT_ELF32
5186a438309SAndrew Bresticker	select BOOT_RAW
5196a438309SAndrew Bresticker	select CEVT_R4K
5206a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
5216a438309SAndrew Bresticker	select COMMON_CLK
5226a438309SAndrew Bresticker	select CSRC_R4K
523645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
524d30a2b47SLinus Walleij	select GPIOLIB
52567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5266a438309SAndrew Bresticker	select MFD_SYSCON
5276a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
5286a438309SAndrew Bresticker	select MIPS_GIC
5296a438309SAndrew Bresticker	select PINCTRL
5306a438309SAndrew Bresticker	select REGULATOR
5316a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
5326a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
5336a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
5346a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
5356a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
53641cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
5376a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
538018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
539018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
5406a438309SAndrew Bresticker	select USE_OF
5416a438309SAndrew Bresticker	help
5426a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
5436a438309SAndrew Bresticker
5441da177e4SLinus Torvaldsconfig MIPS_MALTA
5453fa986faSMartin Michlmayr	bool "MIPS Malta board"
54661ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
547a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5487a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5491da177e4SLinus Torvalds	select BOOT_ELF32
550fa71c960SRalf Baechle	select BOOT_RAW
551e8823d26SPaul Burton	select BUILTIN_DTB
55242f77542SRalf Baechle	select CEVT_R4K
553fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
55442b002abSGuenter Roeck	select COMMON_CLK
55547bf2b03SMaksym Kokhan	select CSRC_R4K
556a86497d6SChristoph Hellwig	select DMA_NONCOHERENT
5571da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5588a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
559eb01d42aSChristoph Hellwig	select HAVE_PCI
560d865bea4SRalf Baechle	select I8253
5611da177e4SLinus Torvalds	select I8259
56247bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
5635e83d430SRalf Baechle	select MIPS_BONITO64
5649318c51aSChris Dearman	select MIPS_CPU_SCACHE
56547bf2b03SMaksym Kokhan	select MIPS_GIC
566a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5675e83d430SRalf Baechle	select MIPS_MSC
56847bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
569ecafe3e9SPaul Burton	select SMP_UP if SMP
5701da177e4SLinus Torvalds	select SWAP_IO_SPACE
5717cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5727cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
573bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
574c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
575575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5767cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5775d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
578575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5797cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5807cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
581ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
582ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5835e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
584c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5855e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
586424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
58747bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5880365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
589e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
590f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
59147bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5929693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
593f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5941b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
595e8823d26SPaul Burton	select USE_OF
596886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
597abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5981da177e4SLinus Torvalds	help
599f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
6001da177e4SLinus Torvalds	  board.
6011da177e4SLinus Torvalds
6022572f00dSJoshua Hendersonconfig MACH_PIC32
6032572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
6042572f00dSJoshua Henderson	help
6052572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
6062572f00dSJoshua Henderson
6072572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
6082572f00dSJoshua Henderson	  microcontrollers.
6092572f00dSJoshua Henderson
6105e83d430SRalf Baechleconfig MACH_VR41XX
61174142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
61242f77542SRalf Baechle	select CEVT_R4K
613940f6b48SRalf Baechle	select CSRC_R4K
6147cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
615377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
616d30a2b47SLinus Walleij	select GPIOLIB
6175e83d430SRalf Baechle
618baec970aSLauri Kasanenconfig MACH_NINTENDO64
619baec970aSLauri Kasanen	bool "Nintendo 64 console"
620baec970aSLauri Kasanen	select CEVT_R4K
621baec970aSLauri Kasanen	select CSRC_R4K
622baec970aSLauri Kasanen	select SYS_HAS_CPU_R4300
623baec970aSLauri Kasanen	select SYS_SUPPORTS_BIG_ENDIAN
624baec970aSLauri Kasanen	select SYS_SUPPORTS_ZBOOT
625baec970aSLauri Kasanen	select SYS_SUPPORTS_32BIT_KERNEL
626baec970aSLauri Kasanen	select SYS_SUPPORTS_64BIT_KERNEL
627baec970aSLauri Kasanen	select DMA_NONCOHERENT
628baec970aSLauri Kasanen	select IRQ_MIPS_CPU
629baec970aSLauri Kasanen
630ae2b5bb6SJohn Crispinconfig RALINK
631ae2b5bb6SJohn Crispin	bool "Ralink based machines"
632ae2b5bb6SJohn Crispin	select CEVT_R4K
633ae2b5bb6SJohn Crispin	select CSRC_R4K
634ae2b5bb6SJohn Crispin	select BOOT_RAW
635ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
63667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
637ae2b5bb6SJohn Crispin	select USE_OF
638ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
639ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
640ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
641ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
642377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
6431f0400d0SChuanhong Guo	select SYS_SUPPORTS_ZBOOT
644ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
645ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6462a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6472a153f1cSJohn Crispin	select RESET_CONTROLLER
648ae2b5bb6SJohn Crispin
6494042147aSBert Vermeulenconfig MACH_REALTEK_RTL
6504042147aSBert Vermeulen	bool "Realtek RTL838x/RTL839x based machines"
6514042147aSBert Vermeulen	select MIPS_GENERIC
6524042147aSBert Vermeulen	select DMA_NONCOHERENT
6534042147aSBert Vermeulen	select IRQ_MIPS_CPU
6544042147aSBert Vermeulen	select CSRC_R4K
6554042147aSBert Vermeulen	select CEVT_R4K
6564042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R1
6574042147aSBert Vermeulen	select SYS_HAS_CPU_MIPS32_R2
6584042147aSBert Vermeulen	select SYS_SUPPORTS_BIG_ENDIAN
6594042147aSBert Vermeulen	select SYS_SUPPORTS_32BIT_KERNEL
6604042147aSBert Vermeulen	select SYS_SUPPORTS_MIPS16
6614042147aSBert Vermeulen	select SYS_SUPPORTS_MULTITHREADING
6624042147aSBert Vermeulen	select SYS_SUPPORTS_VPE_LOADER
6634042147aSBert Vermeulen	select SYS_HAS_EARLY_PRINTK
6644042147aSBert Vermeulen	select SYS_HAS_EARLY_PRINTK_8250
6654042147aSBert Vermeulen	select USE_GENERIC_EARLY_PRINTK_8250
6664042147aSBert Vermeulen	select BOOT_RAW
6674042147aSBert Vermeulen	select PINCTRL
6684042147aSBert Vermeulen	select USE_OF
6694042147aSBert Vermeulen
6701da177e4SLinus Torvaldsconfig SGI_IP22
6713fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
672c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
67339b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6740e2794b0SRalf Baechle	select FW_ARC
6750e2794b0SRalf Baechle	select FW_ARC32
6767a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6771da177e4SLinus Torvalds	select BOOT_ELF32
67842f77542SRalf Baechle	select CEVT_R4K
679940f6b48SRalf Baechle	select CSRC_R4K
680e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6811da177e4SLinus Torvalds	select DMA_NONCOHERENT
6826630a8e5SChristoph Hellwig	select HAVE_EISA
683d865bea4SRalf Baechle	select I8253
68468de4803SThomas Bogendoerfer	select I8259
6851da177e4SLinus Torvalds	select IP22_CPU_SCACHE
68667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
687aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
688e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
689e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
69036e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
691e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
692e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
693e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6941da177e4SLinus Torvalds	select SWAP_IO_SPACE
6957cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6967cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
697c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
698ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
699ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7005e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
701802b8362SThomas Bogendoerfer	select WAR_R4600_V1_INDEX_ICACHEOP
7025e5b6527SThomas Bogendoerfer	select WAR_R4600_V1_HIT_CACHEOP
70344def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
704930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7051da177e4SLinus Torvalds	help
7061da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
7071da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
7081da177e4SLinus Torvalds	  that runs on these, say Y here.
7091da177e4SLinus Torvalds
7101da177e4SLinus Torvaldsconfig SGI_IP27
7113fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
71254aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
713397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
7140e2794b0SRalf Baechle	select FW_ARC
7150e2794b0SRalf Baechle	select FW_ARC64
716e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
7175e83d430SRalf Baechle	select BOOT_ELF64
718e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
71904100459SChristoph Hellwig	select FORCE_PCI
72036a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
721eb01d42aSChristoph Hellwig	select HAVE_PCI
72269a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
723e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
724130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
725a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
726a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7277cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
728ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7295e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
730d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
7311a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
732256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
733930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
7346c86a302SMike Rapoport	select NUMA
7351da177e4SLinus Torvalds	help
7361da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
7371da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
7381da177e4SLinus Torvalds	  here.
7391da177e4SLinus Torvalds
740e2defae5SThomas Bogendoerferconfig SGI_IP28
7417d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
742c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
74339b2d756SThomas Bogendoerfer	select ARC_PROMLIB
7440e2794b0SRalf Baechle	select FW_ARC
7450e2794b0SRalf Baechle	select FW_ARC64
7467a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
747e2defae5SThomas Bogendoerfer	select BOOT_ELF64
748e2defae5SThomas Bogendoerfer	select CEVT_R4K
749e2defae5SThomas Bogendoerfer	select CSRC_R4K
750e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
751e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
752e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
75367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7546630a8e5SChristoph Hellwig	select HAVE_EISA
755e2defae5SThomas Bogendoerfer	select I8253
756e2defae5SThomas Bogendoerfer	select I8259
757e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
758e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7595b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
760e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
761e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
762e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
763e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
764e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
765c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
766e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
767e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
768256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
769dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
770e2defae5SThomas Bogendoerfer	help
771e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
772e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
773e2defae5SThomas Bogendoerfer
7747505576dSThomas Bogendoerferconfig SGI_IP30
7757505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7767505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7777505576dSThomas Bogendoerfer	select FW_ARC
7787505576dSThomas Bogendoerfer	select FW_ARC64
7797505576dSThomas Bogendoerfer	select BOOT_ELF64
7807505576dSThomas Bogendoerfer	select CEVT_R4K
7817505576dSThomas Bogendoerfer	select CSRC_R4K
78204100459SChristoph Hellwig	select FORCE_PCI
7837505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7847505576dSThomas Bogendoerfer	select ZONE_DMA32
7857505576dSThomas Bogendoerfer	select HAVE_PCI
7867505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7877505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7887505576dSThomas Bogendoerfer	select NR_CPUS_DEFAULT_2
7897505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7907505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7917505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7927505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7937505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7947505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7957505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
796256ec489SThomas Bogendoerfer	select WAR_R10000_LLSC
7977505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7987505576dSThomas Bogendoerfer	select ARC_MEMORY
7997505576dSThomas Bogendoerfer	help
8007505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
8017505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
8027505576dSThomas Bogendoerfer
8031da177e4SLinus Torvaldsconfig SGI_IP32
804cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
80539b2d756SThomas Bogendoerfer	select ARC_MEMORY
80639b2d756SThomas Bogendoerfer	select ARC_PROMLIB
80703df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
8080e2794b0SRalf Baechle	select FW_ARC
8090e2794b0SRalf Baechle	select FW_ARC32
8101da177e4SLinus Torvalds	select BOOT_ELF32
81142f77542SRalf Baechle	select CEVT_R4K
812940f6b48SRalf Baechle	select CSRC_R4K
8131da177e4SLinus Torvalds	select DMA_NONCOHERENT
814eb01d42aSChristoph Hellwig	select HAVE_PCI
81567e38cf2SRalf Baechle	select IRQ_MIPS_CPU
8161da177e4SLinus Torvalds	select R5000_CPU_SCACHE
8171da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
8187cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
8197cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
8207cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
821dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
822ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
8235e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
824886ee136SThomas Bogendoerfer	select WAR_ICACHE_REFILLS
8251da177e4SLinus Torvalds	help
8261da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
8271da177e4SLinus Torvalds
828ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
829ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
8305e83d430SRalf Baechle	select BOOT_ELF32
8315e83d430SRalf Baechle	select SIBYTE_BCM1120
8325e83d430SRalf Baechle	select SWAP_IO_SPACE
8337cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8345e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8355e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8365e83d430SRalf Baechle
837ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
838ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
8395e83d430SRalf Baechle	select BOOT_ELF32
8405e83d430SRalf Baechle	select SIBYTE_BCM1120
8415e83d430SRalf Baechle	select SWAP_IO_SPACE
8427cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8435e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8445e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8455e83d430SRalf Baechle
8465e83d430SRalf Baechleconfig SIBYTE_CRHONE
8473fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
8485e83d430SRalf Baechle	select BOOT_ELF32
8495e83d430SRalf Baechle	select SIBYTE_BCM1125
8505e83d430SRalf Baechle	select SWAP_IO_SPACE
8517cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
8525e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
8535e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8545e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8555e83d430SRalf Baechle
856ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
857ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
858ade299d8SYoichi Yuasa	select BOOT_ELF32
859ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
860ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
861ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
862ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
863ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
864ade299d8SYoichi Yuasa
865ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
866ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
867ade299d8SYoichi Yuasa	select BOOT_ELF32
868fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
869ade299d8SYoichi Yuasa	select SIBYTE_SB1250
870ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
871ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
872ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
873ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
874ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
875cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
876e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
877ade299d8SYoichi Yuasa
878ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
879ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
880ade299d8SYoichi Yuasa	select BOOT_ELF32
881fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
882ade299d8SYoichi Yuasa	select SIBYTE_SB1250
883ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
884ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
885ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
886ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
887ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
888756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
889ade299d8SYoichi Yuasa
890ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
891ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
892ade299d8SYoichi Yuasa	select BOOT_ELF32
893ade299d8SYoichi Yuasa	select SIBYTE_SB1250
894ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
895ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
896ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
897ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
898e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
899ade299d8SYoichi Yuasa
900ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
901ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
902ade299d8SYoichi Yuasa	select BOOT_ELF32
903ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
904ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
905ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
906ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
907ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
908651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
909ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
910cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
911e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
912ade299d8SYoichi Yuasa
91314b36af4SThomas Bogendoerferconfig SNI_RM
91414b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
91539b2d756SThomas Bogendoerfer	select ARC_MEMORY
91639b2d756SThomas Bogendoerfer	select ARC_PROMLIB
9170e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
9180e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
919aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
9205e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
921a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
9227a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
9235e83d430SRalf Baechle	select BOOT_ELF32
92442f77542SRalf Baechle	select CEVT_R4K
925940f6b48SRalf Baechle	select CSRC_R4K
926e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
9275e83d430SRalf Baechle	select DMA_NONCOHERENT
9285e83d430SRalf Baechle	select GENERIC_ISA_DMA
9296630a8e5SChristoph Hellwig	select HAVE_EISA
9308a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
931eb01d42aSChristoph Hellwig	select HAVE_PCI
93267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
933d865bea4SRalf Baechle	select I8253
9345e83d430SRalf Baechle	select I8259
9355e83d430SRalf Baechle	select ISA
936564c836fSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_6
9374a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
9387cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
9394a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
940c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
9414a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
94236a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
943ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
9447d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
9454a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
9465e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
9475e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
94844def342SThomas Bogendoerfer	select WAR_R4600_V2_HIT_CACHEOP
9491da177e4SLinus Torvalds	help
95014b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
95114b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
9525e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
9535e83d430SRalf Baechle	  support this machine type.
9541da177e4SLinus Torvalds
955edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
956edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9575e83d430SRalf Baechle
958edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
959edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
96024a1c023SThomas Bogendoerfer	select WAR_TX49XX_ICACHE_INDEX_INV
96123fbee9dSRalf Baechle
96273b4390fSRalf Baechleconfig MIKROTIK_RB532
96373b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
96473b4390fSRalf Baechle	select CEVT_R4K
96573b4390fSRalf Baechle	select CSRC_R4K
96673b4390fSRalf Baechle	select DMA_NONCOHERENT
967eb01d42aSChristoph Hellwig	select HAVE_PCI
96867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
96973b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
97073b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
97173b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
97273b4390fSRalf Baechle	select SWAP_IO_SPACE
97373b4390fSRalf Baechle	select BOOT_RAW
974d30a2b47SLinus Walleij	select GPIOLIB
975930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
97673b4390fSRalf Baechle	help
97773b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
97873b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
97973b4390fSRalf Baechle
9809ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9819ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
982a86c7f72SDavid Daney	select CEVT_R4K
983ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9841753d50cSChristoph Hellwig	select HAVE_RAPIDIO
985d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
986a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
987a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
988f65aad41SRalf Baechle	select EDAC_SUPPORT
989b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
99073569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
99173569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
992a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9935e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
994eb01d42aSChristoph Hellwig	select HAVE_PCI
99578bdbbacSMasahiro Yamada	select HAVE_PLAT_DELAY
99678bdbbacSMasahiro Yamada	select HAVE_PLAT_FW_INIT_CMDLINE
99778bdbbacSMasahiro Yamada	select HAVE_PLAT_MEMCPY
998f00e001eSDavid Daney	select ZONE_DMA32
999465aaed0SDavid Daney	select HOLES_IN_ZONE
1000d30a2b47SLinus Walleij	select GPIOLIB
10016e511163SDavid Daney	select USE_OF
10026e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
10036e511163SDavid Daney	select SYS_SUPPORTS_SMP
10047820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
10057820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
1006e326479fSAndrew Bresticker	select BUILTIN_DTB
1007f766b28aSJulian Braha	select MTD
10088c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
100909230cbcSChristoph Hellwig	select SWIOTLB
10103ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
1011a86c7f72SDavid Daney	help
1012a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
1013a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
1014a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
1015a86c7f72SDavid Daney	  Some of the supported boards are:
1016a86c7f72SDavid Daney		EBT3000
1017a86c7f72SDavid Daney		EBH3000
1018a86c7f72SDavid Daney		EBH3100
1019a86c7f72SDavid Daney		Thunder
1020a86c7f72SDavid Daney		Kodama
1021a86c7f72SDavid Daney		Hikari
1022a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
1023a86c7f72SDavid Daney
10247f058e85SJayachandran Cconfig NLM_XLR_BOARD
10257f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
10267f058e85SJayachandran C	select BOOT_ELF32
10277f058e85SJayachandran C	select NLM_COMMON
10287f058e85SJayachandran C	select SYS_HAS_CPU_XLR
10297f058e85SJayachandran C	select SYS_SUPPORTS_SMP
1030eb01d42aSChristoph Hellwig	select HAVE_PCI
10317f058e85SJayachandran C	select SWAP_IO_SPACE
10327f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
10337f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
1034d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
10357f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10367f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10377f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
10387f058e85SJayachandran C	select CEVT_R4K
10397f058e85SJayachandran C	select CSRC_R4K
104067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1041b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10427f058e85SJayachandran C	select SYNC_R4K
10437f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
10448f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10458f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10467f058e85SJayachandran C	help
10477f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
10487f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
10497f058e85SJayachandran C
10501c773ea4SJayachandran Cconfig NLM_XLP_BOARD
10511c773ea4SJayachandran C	bool "Netlogic XLP based systems"
10521c773ea4SJayachandran C	select BOOT_ELF32
10531c773ea4SJayachandran C	select NLM_COMMON
10541c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
10551c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
1056eb01d42aSChristoph Hellwig	select HAVE_PCI
10571c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
10581c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
1059d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1060d30a2b47SLinus Walleij	select GPIOLIB
10611c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10621c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
10631c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10641c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
10651c773ea4SJayachandran C	select CEVT_R4K
10661c773ea4SJayachandran C	select CSRC_R4K
106767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1068b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10691c773ea4SJayachandran C	select SYNC_R4K
10701c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
10712f6528e1SJayachandran C	select USE_OF
10728f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10738f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10741c773ea4SJayachandran C	help
10751c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
10761c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
10771c773ea4SJayachandran C
10781da177e4SLinus Torvaldsendchoice
10791da177e4SLinus Torvalds
1080e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10813b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1082d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1083a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1084e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10858945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1086eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
1087a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig"
10885e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10898ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10902572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1091af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
1092ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
109329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
109438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
109522b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10965e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1097a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
109871e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
109930ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
110030ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
11017f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
110238b18f72SRalf Baechle
11035e83d430SRalf Baechleendmenu
11045e83d430SRalf Baechle
11053c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
11063c9ee7efSAkinobu Mita	bool
11073c9ee7efSAkinobu Mita	default y
11083c9ee7efSAkinobu Mita
11091da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
11101da177e4SLinus Torvalds	bool
11111da177e4SLinus Torvalds	default y
11121da177e4SLinus Torvalds
1113ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
11141cc89038SAtsushi Nemoto	bool
11151cc89038SAtsushi Nemoto	default y
11161cc89038SAtsushi Nemoto
11171da177e4SLinus Torvalds#
11181da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
11191da177e4SLinus Torvalds#
11200e2794b0SRalf Baechleconfig FW_ARC
11211da177e4SLinus Torvalds	bool
11221da177e4SLinus Torvalds
112361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
112461ed242dSRalf Baechle	bool
112561ed242dSRalf Baechle
11269267a30dSMarc St-Jeanconfig BOOT_RAW
11279267a30dSMarc St-Jean	bool
11289267a30dSMarc St-Jean
1129217dd11eSRalf Baechleconfig CEVT_BCM1480
1130217dd11eSRalf Baechle	bool
1131217dd11eSRalf Baechle
11326457d9fcSYoichi Yuasaconfig CEVT_DS1287
11336457d9fcSYoichi Yuasa	bool
11346457d9fcSYoichi Yuasa
11351097c6acSYoichi Yuasaconfig CEVT_GT641XX
11361097c6acSYoichi Yuasa	bool
11371097c6acSYoichi Yuasa
113842f77542SRalf Baechleconfig CEVT_R4K
113942f77542SRalf Baechle	bool
114042f77542SRalf Baechle
1141217dd11eSRalf Baechleconfig CEVT_SB1250
1142217dd11eSRalf Baechle	bool
1143217dd11eSRalf Baechle
1144229f773eSAtsushi Nemotoconfig CEVT_TXX9
1145229f773eSAtsushi Nemoto	bool
1146229f773eSAtsushi Nemoto
1147217dd11eSRalf Baechleconfig CSRC_BCM1480
1148217dd11eSRalf Baechle	bool
1149217dd11eSRalf Baechle
11504247417dSYoichi Yuasaconfig CSRC_IOASIC
11514247417dSYoichi Yuasa	bool
11524247417dSYoichi Yuasa
1153940f6b48SRalf Baechleconfig CSRC_R4K
115438586428SSerge Semin	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1155940f6b48SRalf Baechle	bool
1156940f6b48SRalf Baechle
1157217dd11eSRalf Baechleconfig CSRC_SB1250
1158217dd11eSRalf Baechle	bool
1159217dd11eSRalf Baechle
1160a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1161a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1162a7f4df4eSAlex Smith
1163a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1164d30a2b47SLinus Walleij	select GPIOLIB
1165a9aec7feSAtsushi Nemoto	bool
1166a9aec7feSAtsushi Nemoto
11670e2794b0SRalf Baechleconfig FW_CFE
1168df78b5c8SAurelien Jarno	bool
1169df78b5c8SAurelien Jarno
117040e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
117140e084a5SRalf Baechle	bool
117240e084a5SRalf Baechle
117320d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
117420d33064SPaul Burton	bool
1175347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
11765748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
117720d33064SPaul Burton
11781da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11791da177e4SLinus Torvalds	bool
1180db91427bSChristoph Hellwig	#
1181db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1182db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1183db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1184db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1185db91427bSChristoph Hellwig	# significant advantages.
1186db91427bSChristoph Hellwig	#
1187419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1188fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_PREP_COHERENT
1189f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1190fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_SET_UNCACHED
119134dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
119234dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11934ce588cdSRalf Baechle
119436a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11951da177e4SLinus Torvalds	bool
11961da177e4SLinus Torvalds
11971b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1198dbb74540SRalf Baechle	bool
1199dbb74540SRalf Baechle
12001da177e4SLinus Torvaldsconfig MIPS_BONITO64
12011da177e4SLinus Torvalds	bool
12021da177e4SLinus Torvalds
12031da177e4SLinus Torvaldsconfig MIPS_MSC
12041da177e4SLinus Torvalds	bool
12051da177e4SLinus Torvalds
120639b8d525SRalf Baechleconfig SYNC_R4K
120739b8d525SRalf Baechle	bool
120839b8d525SRalf Baechle
1209ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1210d388d685SMaciej W. Rozycki	def_bool n
1211d388d685SMaciej W. Rozycki
12124e0748f5SMarkos Chandrasconfig GENERIC_CSUM
121318d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
12144e0748f5SMarkos Chandras
12158313da30SRalf Baechleconfig GENERIC_ISA_DMA
12168313da30SRalf Baechle	bool
12178313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1218a35bee8aSNamhyung Kim	select ISA_DMA_API
12198313da30SRalf Baechle
1220aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1221aa414dffSRalf Baechle	bool
12228313da30SRalf Baechle	select GENERIC_ISA_DMA
1223aa414dffSRalf Baechle
122478bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY
122578bdbbacSMasahiro Yamada	bool
122678bdbbacSMasahiro Yamada
122778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE
122878bdbbacSMasahiro Yamada	bool
122978bdbbacSMasahiro Yamada
123078bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY
123178bdbbacSMasahiro Yamada	bool
123278bdbbacSMasahiro Yamada
1233a35bee8aSNamhyung Kimconfig ISA_DMA_API
1234a35bee8aSNamhyung Kim	bool
1235a35bee8aSNamhyung Kim
1236465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1237465aaed0SDavid Daney	bool
1238465aaed0SDavid Daney
12398c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
12408c530ea3SMatt Redfearn	bool
12418c530ea3SMatt Redfearn	help
12428c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
12438c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
12448c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
12458c530ea3SMatt Redfearn
1246f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT
1247f381bf6dSDavid Daney	def_bool y
1248f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_CBPF_JIT
1249f381bf6dSDavid Daney
1250f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT
1251f381bf6dSDavid Daney	def_bool y
1252f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_EBPF_JIT
1253f381bf6dSDavid Daney
1254f381bf6dSDavid Daney
12555e83d430SRalf Baechle#
12566b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
12575e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
12585e83d430SRalf Baechle# choice statement should be more obvious to the user.
12595e83d430SRalf Baechle#
12605e83d430SRalf Baechlechoice
12616b2aac42SMasanari Iida	prompt "Endianness selection"
12621da177e4SLinus Torvalds	help
12631da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
12645e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
12653cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
12665e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
12673dde6ad8SDavid Sterba	  one or the other endianness.
12685e83d430SRalf Baechle
12695e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
12705e83d430SRalf Baechle	bool "Big endian"
12715e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
12725e83d430SRalf Baechle
12735e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
12745e83d430SRalf Baechle	bool "Little endian"
12755e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
12765e83d430SRalf Baechle
12775e83d430SRalf Baechleendchoice
12785e83d430SRalf Baechle
127922b0763aSDavid Daneyconfig EXPORT_UASM
128022b0763aSDavid Daney	bool
128122b0763aSDavid Daney
12822116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
12832116245eSRalf Baechle	bool
12842116245eSRalf Baechle
12855e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
12865e83d430SRalf Baechle	bool
12875e83d430SRalf Baechle
12885e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12895e83d430SRalf Baechle	bool
12901da177e4SLinus Torvalds
1291aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1292aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1293aa1762f4SDavid Daney
12949267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12959267a30dSMarc St-Jean	bool
12969267a30dSMarc St-Jean
12979267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12989267a30dSMarc St-Jean	bool
12999267a30dSMarc St-Jean
13008420fd00SAtsushi Nemotoconfig IRQ_TXX9
13018420fd00SAtsushi Nemoto	bool
13028420fd00SAtsushi Nemoto
1303d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1304d5ab1a69SYoichi Yuasa	bool
1305d5ab1a69SYoichi Yuasa
1306252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
13071da177e4SLinus Torvalds	bool
13081da177e4SLinus Torvalds
1309a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1310a57140e9SThomas Bogendoerfer	bool
1311a57140e9SThomas Bogendoerfer
13129267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
13139267a30dSMarc St-Jean	bool
13149267a30dSMarc St-Jean
1315a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1316a7e07b1aSMarkos Chandras	bool
1317a7e07b1aSMarkos Chandras
13181da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
13191da177e4SLinus Torvalds	bool
13201da177e4SLinus Torvalds
1321e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1322e2defae5SThomas Bogendoerfer	bool
1323e2defae5SThomas Bogendoerfer
13245b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
13255b438c44SThomas Bogendoerfer	bool
13265b438c44SThomas Bogendoerfer
1327e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1328e2defae5SThomas Bogendoerfer	bool
1329e2defae5SThomas Bogendoerfer
1330e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1331e2defae5SThomas Bogendoerfer	bool
1332e2defae5SThomas Bogendoerfer
1333e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1334e2defae5SThomas Bogendoerfer	bool
1335e2defae5SThomas Bogendoerfer
1336e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1337e2defae5SThomas Bogendoerfer	bool
1338e2defae5SThomas Bogendoerfer
1339e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1340e2defae5SThomas Bogendoerfer	bool
1341e2defae5SThomas Bogendoerfer
13420e2794b0SRalf Baechleconfig FW_ARC32
13435e83d430SRalf Baechle	bool
13445e83d430SRalf Baechle
1345aaa9fad3SPaul Bolleconfig FW_SNIPROM
1346231a35d3SThomas Bogendoerfer	bool
1347231a35d3SThomas Bogendoerfer
13481da177e4SLinus Torvaldsconfig BOOT_ELF32
13491da177e4SLinus Torvalds	bool
13501da177e4SLinus Torvalds
1351930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1352930beb5aSFlorian Fainelli	bool
1353930beb5aSFlorian Fainelli
1354930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1355930beb5aSFlorian Fainelli	bool
1356930beb5aSFlorian Fainelli
1357930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1358930beb5aSFlorian Fainelli	bool
1359930beb5aSFlorian Fainelli
1360930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1361930beb5aSFlorian Fainelli	bool
1362930beb5aSFlorian Fainelli
13631da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
13641da177e4SLinus Torvalds	int
1365a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
13665432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
13675432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
13685432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
13691da177e4SLinus Torvalds	default "5"
13701da177e4SLinus Torvalds
1371e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1372e9422427SThomas Bogendoerfer	bool
1373e9422427SThomas Bogendoerfer
13741da177e4SLinus Torvaldsconfig ARC_CONSOLE
13751da177e4SLinus Torvalds	bool "ARC console support"
1376e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
13771da177e4SLinus Torvalds
13781da177e4SLinus Torvaldsconfig ARC_MEMORY
13791da177e4SLinus Torvalds	bool
13801da177e4SLinus Torvalds
13811da177e4SLinus Torvaldsconfig ARC_PROMLIB
13821da177e4SLinus Torvalds	bool
13831da177e4SLinus Torvalds
13840e2794b0SRalf Baechleconfig FW_ARC64
13851da177e4SLinus Torvalds	bool
13861da177e4SLinus Torvalds
13871da177e4SLinus Torvaldsconfig BOOT_ELF64
13881da177e4SLinus Torvalds	bool
13891da177e4SLinus Torvalds
13901da177e4SLinus Torvaldsmenu "CPU selection"
13911da177e4SLinus Torvalds
13921da177e4SLinus Torvaldschoice
13931da177e4SLinus Torvalds	prompt "CPU type"
13941da177e4SLinus Torvalds	default CPU_R4X00
13951da177e4SLinus Torvalds
1396268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1397caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1398268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1399d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
140051522217SJiaxun Yang	select CPU_MIPSR2
140151522217SJiaxun Yang	select CPU_HAS_PREFETCH
14020e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
14030e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
14040e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
14057507445bSHuacai Chen	select CPU_SUPPORTS_MSA
140651522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
140751522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
14080e476d91SHuacai Chen	select WEAK_ORDERING
14090e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
14107507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1411b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
141217c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
1413d30a2b47SLinus Walleij	select GPIOLIB
141409230cbcSChristoph Hellwig	select SWIOTLB
14150f78355cSHuacai Chen	select HAVE_KVM
14160e476d91SHuacai Chen	help
1417caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1418caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1419caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1420caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1421caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
14220e476d91SHuacai Chen
1423caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1424caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
14251e820da3SHuacai Chen	default n
1426268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
14271e820da3SHuacai Chen	help
1428caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
14291e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1430268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
14311e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
14321e820da3SHuacai Chen	  Fast TLB refill support, etc.
14331e820da3SHuacai Chen
14341e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
14351e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
14361e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1437caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
14381e820da3SHuacai Chen
1439e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1440caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1441e02e07e3SHuacai Chen	default y if SMP
1442268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1443e02e07e3SHuacai Chen	help
1444caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1445e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1446e02e07e3SHuacai Chen
1447caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1448e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1449e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1450e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1451e02e07e3SHuacai Chen
1452e02e07e3SHuacai Chen	  If unsure, please say Y.
1453e02e07e3SHuacai Chen
1454ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION
1455ec7a9318SWANG Xuerui	bool "Emulate the CPUCFG instruction on older Loongson cores"
1456ec7a9318SWANG Xuerui	default y
1457ec7a9318SWANG Xuerui	depends on CPU_LOONGSON64
1458ec7a9318SWANG Xuerui	help
1459ec7a9318SWANG Xuerui	  Loongson-3A R4 and newer have the CPUCFG instruction available for
1460ec7a9318SWANG Xuerui	  userland to query CPU capabilities, much like CPUID on x86. This
1461ec7a9318SWANG Xuerui	  option provides emulation of the instruction on older Loongson
1462ec7a9318SWANG Xuerui	  cores, back to Loongson-3A1000.
1463ec7a9318SWANG Xuerui
1464ec7a9318SWANG Xuerui	  If unsure, please say Y.
1465ec7a9318SWANG Xuerui
14663702bba5SWu Zhangjinconfig CPU_LOONGSON2E
14673702bba5SWu Zhangjin	bool "Loongson 2E"
14683702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1469268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
14702a21c730SFuxin Zhang	help
14712a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
14722a21c730SFuxin Zhang	  with many extensions.
14732a21c730SFuxin Zhang
147425985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
14756f7a251aSWu Zhangjin	  bonito64.
14766f7a251aSWu Zhangjin
14776f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
14786f7a251aSWu Zhangjin	bool "Loongson 2F"
14796f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1480268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1481d30a2b47SLinus Walleij	select GPIOLIB
14826f7a251aSWu Zhangjin	help
14836f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
14846f7a251aSWu Zhangjin	  with many extensions.
14856f7a251aSWu Zhangjin
14866f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
14876f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
14886f7a251aSWu Zhangjin	  Loongson2E.
14896f7a251aSWu Zhangjin
1490ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1491ca585cf9SKelvin Cheung	bool "Loongson 1B"
1492ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1493b2afb64cSHuacai Chen	select CPU_LOONGSON32
14949ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1495ca585cf9SKelvin Cheung	help
1496ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1497968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1498968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1499ca585cf9SKelvin Cheung
150012e3280bSYang Lingconfig CPU_LOONGSON1C
150112e3280bSYang Ling	bool "Loongson 1C"
150212e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1503b2afb64cSHuacai Chen	select CPU_LOONGSON32
150412e3280bSYang Ling	select LEDS_GPIO_REGISTER
150512e3280bSYang Ling	help
150612e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1507968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1508968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
150912e3280bSYang Ling
15106e760c8dSRalf Baechleconfig CPU_MIPS32_R1
15116e760c8dSRalf Baechle	bool "MIPS32 Release 1"
15127cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
15136e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1514797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1515ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15166e760c8dSRalf Baechle	help
15175e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15181e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15191e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15201e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15211e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15221e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
15231e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
15241e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
15251e5f1caaSRalf Baechle	  performance.
15261e5f1caaSRalf Baechle
15271e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
15281e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
15297cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
15301e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1531797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1532ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1533a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
15342235a54dSSanjay Lal	select HAVE_KVM
15351e5f1caaSRalf Baechle	help
15365e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15376e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15386e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15396e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15406e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15411da177e4SLinus Torvalds
1542ab7c01fdSSerge Seminconfig CPU_MIPS32_R5
1543ab7c01fdSSerge Semin	bool "MIPS32 Release 5"
1544ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS32_R5
1545ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1546ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1547ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1548ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1549ab7c01fdSSerge Semin	select HAVE_KVM
1550ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT
1551ab7c01fdSSerge Semin	help
1552ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1553ab7c01fdSSerge Semin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1554ab7c01fdSSerge Semin	  family, are based on a MIPS32r5 processor. If you own an older
1555ab7c01fdSSerge Semin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1556ab7c01fdSSerge Semin
15577fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1558674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
15597fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
15607fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
156118d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15627fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15637fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
15647fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15657fd08ca5SLeonid Yegoshin	select HAVE_KVM
15667fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
15677fd08ca5SLeonid Yegoshin	help
15687fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15697fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
15707fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
15717fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
15727fd08ca5SLeonid Yegoshin
15736e760c8dSRalf Baechleconfig CPU_MIPS64_R1
15746e760c8dSRalf Baechle	bool "MIPS64 Release 1"
15757cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1576797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1577ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1578ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1579ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15809cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
15816e760c8dSRalf Baechle	help
15826e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15836e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15846e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15856e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15866e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15871e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
15881e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
15891e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
15901e5f1caaSRalf Baechle	  performance.
15911e5f1caaSRalf Baechle
15921e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15931e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15947cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1595797798c1SRalf Baechle	select CPU_HAS_PREFETCH
15961e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15971e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1598ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15999cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1600a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
160140a2df49SJames Hogan	select HAVE_KVM
16021e5f1caaSRalf Baechle	help
16031e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
16041e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
16051e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
16061e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
16071e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
16081da177e4SLinus Torvalds
1609ab7c01fdSSerge Seminconfig CPU_MIPS64_R5
1610ab7c01fdSSerge Semin	bool "MIPS64 Release 5"
1611ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS64_R5
1612ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1613ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1614ab7c01fdSSerge Semin	select CPU_SUPPORTS_64BIT_KERNEL
1615ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1616ab7c01fdSSerge Semin	select CPU_SUPPORTS_HUGEPAGES
1617ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1618ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1619ab7c01fdSSerge Semin	select HAVE_KVM
1620ab7c01fdSSerge Semin	help
1621ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1622ab7c01fdSSerge Semin	  MIPS64 architecture.  This is a intermediate MIPS architecture
1623ab7c01fdSSerge Semin	  release partly implementing release 6 features. Though there is no
1624ab7c01fdSSerge Semin	  any hardware known to be based on this release.
1625ab7c01fdSSerge Semin
16267fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1627674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
16287fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
16297fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
163018d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
16317fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
16327fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
16337fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1634afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
16357fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
16362e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
163740a2df49SJames Hogan	select HAVE_KVM
16387fd08ca5SLeonid Yegoshin	help
16397fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
16407fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
16417fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
16427fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
16437fd08ca5SLeonid Yegoshin
1644281e3aeaSSerge Seminconfig CPU_P5600
1645281e3aeaSSerge Semin	bool "MIPS Warrior P5600"
1646281e3aeaSSerge Semin	depends on SYS_HAS_CPU_P5600
1647281e3aeaSSerge Semin	select CPU_HAS_PREFETCH
1648281e3aeaSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1649281e3aeaSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1650281e3aeaSSerge Semin	select CPU_SUPPORTS_MSA
1651281e3aeaSSerge Semin	select CPU_SUPPORTS_CPUFREQ
1652281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_VI
1653281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_EI
1654281e3aeaSSerge Semin	select HAVE_KVM
1655281e3aeaSSerge Semin	select MIPS_O32_FP64_SUPPORT
1656281e3aeaSSerge Semin	help
1657281e3aeaSSerge Semin	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1658281e3aeaSSerge Semin	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1659281e3aeaSSerge Semin	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1660281e3aeaSSerge Semin	  level features like up to six P5600 calculation cores, CM2 with L2
1661281e3aeaSSerge Semin	  cache, IOCU/IOMMU (though might be unused depending on the system-
1662281e3aeaSSerge Semin	  specific IP core configuration), GIC, CPC, virtualisation module,
1663281e3aeaSSerge Semin	  eJTAG and PDtrace.
1664281e3aeaSSerge Semin
16651da177e4SLinus Torvaldsconfig CPU_R3000
16661da177e4SLinus Torvalds	bool "R3000"
16677cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1668f7062ddbSRalf Baechle	select CPU_HAS_WB
166954746829SPaul Burton	select CPU_R3K_TLB
1670ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1671797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
16721da177e4SLinus Torvalds	help
16731da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
16741da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
16751da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
16761da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
16771da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
16781da177e4SLinus Torvalds	  try to recompile with R3000.
16791da177e4SLinus Torvalds
16801da177e4SLinus Torvaldsconfig CPU_TX39XX
16811da177e4SLinus Torvalds	bool "R39XX"
16827cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1683ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
168454746829SPaul Burton	select CPU_R3K_TLB
16851da177e4SLinus Torvalds
16861da177e4SLinus Torvaldsconfig CPU_VR41XX
16871da177e4SLinus Torvalds	bool "R41xx"
16887cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1689ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1690ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
16911da177e4SLinus Torvalds	help
16925e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16931da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16941da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16951da177e4SLinus Torvalds	  processor or vice versa.
16961da177e4SLinus Torvalds
169765ce6197SLauri Kasanenconfig CPU_R4300
169865ce6197SLauri Kasanen	bool "R4300"
169965ce6197SLauri Kasanen	depends on SYS_HAS_CPU_R4300
170065ce6197SLauri Kasanen	select CPU_SUPPORTS_32BIT_KERNEL
170165ce6197SLauri Kasanen	select CPU_SUPPORTS_64BIT_KERNEL
170265ce6197SLauri Kasanen	select CPU_HAS_LOAD_STORE_LR
170365ce6197SLauri Kasanen	help
170465ce6197SLauri Kasanen	  MIPS Technologies R4300-series processors.
170565ce6197SLauri Kasanen
17061da177e4SLinus Torvaldsconfig CPU_R4X00
17071da177e4SLinus Torvalds	bool "R4x00"
17087cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1709ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1710ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1711970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17121da177e4SLinus Torvalds	help
17131da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
17141da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
17151da177e4SLinus Torvalds
17161da177e4SLinus Torvaldsconfig CPU_TX49XX
17171da177e4SLinus Torvalds	bool "R49XX"
17187cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1719de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1720ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1721ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1722970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17231da177e4SLinus Torvalds
17241da177e4SLinus Torvaldsconfig CPU_R5000
17251da177e4SLinus Torvalds	bool "R5000"
17267cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1727ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1728ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1729970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17301da177e4SLinus Torvalds	help
17311da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
17321da177e4SLinus Torvalds
1733542c1020SShinya Kuribayashiconfig CPU_R5500
1734542c1020SShinya Kuribayashi	bool "R5500"
1735542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1736542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1737542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
17389cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1739542c1020SShinya Kuribayashi	help
1740542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1741542c1020SShinya Kuribayashi	  instruction set.
1742542c1020SShinya Kuribayashi
17431da177e4SLinus Torvaldsconfig CPU_NEVADA
17441da177e4SLinus Torvalds	bool "RM52xx"
17457cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1746ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1747ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1748970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17491da177e4SLinus Torvalds	help
17501da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
17511da177e4SLinus Torvalds
17521da177e4SLinus Torvaldsconfig CPU_R10000
17531da177e4SLinus Torvalds	bool "R10000"
17547cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
17555e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1756ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1757ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1758797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1759970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17601da177e4SLinus Torvalds	help
17611da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
17621da177e4SLinus Torvalds
17631da177e4SLinus Torvaldsconfig CPU_RM7000
17641da177e4SLinus Torvalds	bool "RM7000"
17657cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
17665e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1767ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1768ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1769797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1770970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17711da177e4SLinus Torvalds
17721da177e4SLinus Torvaldsconfig CPU_SB1
17731da177e4SLinus Torvalds	bool "SB1"
17747cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1775ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1776ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1777797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1778970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17790004a9dfSRalf Baechle	select WEAK_ORDERING
17801da177e4SLinus Torvalds
1781a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1782a86c7f72SDavid Daney	bool "Cavium Octeon processor"
17835e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1784a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1785a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1786a86c7f72SDavid Daney	select WEAK_ORDERING
1787a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17889cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1789df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1790df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1791930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17920ae3abcdSJames Hogan	select HAVE_KVM
1793a86c7f72SDavid Daney	help
1794a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1795a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1796a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1797a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1798a86c7f72SDavid Daney
1799cd746249SJonas Gorskiconfig CPU_BMIPS
1800cd746249SJonas Gorski	bool "Broadcom BMIPS"
1801cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1802cd746249SJonas Gorski	select CPU_MIPS32
1803fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1804cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1805cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1806cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1807cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1808cd746249SJonas Gorski	select DMA_NONCOHERENT
180967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1810cd746249SJonas Gorski	select SWAP_IO_SPACE
1811cd746249SJonas Gorski	select WEAK_ORDERING
1812c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
181369aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1814a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1815a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1816c1c0c461SKevin Cernekee	help
1817fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1818c1c0c461SKevin Cernekee
18197f058e85SJayachandran Cconfig CPU_XLR
18207f058e85SJayachandran C	bool "Netlogic XLR SoC"
18217f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
18227f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
18237f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
18247f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1825970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
18267f058e85SJayachandran C	select WEAK_ORDERING
18277f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
18287f058e85SJayachandran C	help
18297f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
18301c773ea4SJayachandran C
18311c773ea4SJayachandran Cconfig CPU_XLP
18321c773ea4SJayachandran C	bool "Netlogic XLP SoC"
18331c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
18341c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
18351c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
18361c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
18371c773ea4SJayachandran C	select WEAK_ORDERING
18381c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
18391c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1840d6504846SJayachandran C	select CPU_MIPSR2
1841ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
18422db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
18431c773ea4SJayachandran C	help
18441c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
18451da177e4SLinus Torvaldsendchoice
18461da177e4SLinus Torvalds
1847a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1848a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1849a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
1850281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1851281e3aeaSSerge Semin		   CPU_P5600
1852a6e18781SLeonid Yegoshin	help
1853a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1854a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1855a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1856a6e18781SLeonid Yegoshin
1857a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1858a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1859a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1860a6e18781SLeonid Yegoshin	select EVA
1861a6e18781SLeonid Yegoshin	default y
1862a6e18781SLeonid Yegoshin	help
1863a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1864a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1865a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1866a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1867a6e18781SLeonid Yegoshin
1868c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1869c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1870c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1871281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1872c5b36783SSteven J. Hill	help
1873c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1874c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1875c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1876c5b36783SSteven J. Hill
1877c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1878c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1879c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1880c5b36783SSteven J. Hill	depends on !EVA
1881c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1882c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1883c5b36783SSteven J. Hill	select XPA
1884c5b36783SSteven J. Hill	select HIGHMEM
1885d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1886c5b36783SSteven J. Hill	default n
1887c5b36783SSteven J. Hill	help
1888c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1889c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1890c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1891c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1892c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1893c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1894c5b36783SSteven J. Hill
1895622844bfSWu Zhangjinif CPU_LOONGSON2F
1896622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1897622844bfSWu Zhangjin	bool
1898622844bfSWu Zhangjin
1899622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1900622844bfSWu Zhangjin	bool
1901622844bfSWu Zhangjin
1902622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1903622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1904622844bfSWu Zhangjin	default y
1905622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1906622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1907622844bfSWu Zhangjin	help
1908622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1909622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1910622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1911622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1912622844bfSWu Zhangjin
1913622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1914622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1915622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1916622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1917622844bfSWu Zhangjin	  systems.
1918622844bfSWu Zhangjin
1919622844bfSWu Zhangjin	  If unsure, please say Y.
1920622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1921622844bfSWu Zhangjin
19221b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
19231b93b3c3SWu Zhangjin	bool
19241b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
19251b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
192631c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
19271b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1928fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
19294e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
1930a510b616SPaul Cercueil	select HAVE_KERNEL_ZSTD
19311b93b3c3SWu Zhangjin
19321b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
19331b93b3c3SWu Zhangjin	bool
19341b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
19351b93b3c3SWu Zhangjin
1936dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1937dbb98314SAlban Bedel	bool
1938dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1939dbb98314SAlban Bedel
1940268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
19413702bba5SWu Zhangjin	bool
19423702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
19433702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
19443702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1945970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1946e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
19473702bba5SWu Zhangjin
1948b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1949ca585cf9SKelvin Cheung	bool
1950ca585cf9SKelvin Cheung	select CPU_MIPS32
19517e280f6bSJiaxun Yang	select CPU_MIPSR2
1952ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1953ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1954ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1955f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1956ca585cf9SKelvin Cheung
1957fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
195804fa8bf7SJonas Gorski	select SMP_UP if SMP
19591bbb6c1bSKevin Cernekee	bool
1960cd746249SJonas Gorski
1961cd746249SJonas Gorskiconfig CPU_BMIPS4350
1962cd746249SJonas Gorski	bool
1963cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1964cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1965cd746249SJonas Gorski
1966cd746249SJonas Gorskiconfig CPU_BMIPS4380
1967cd746249SJonas Gorski	bool
1968bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1969cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1970cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1971b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1972cd746249SJonas Gorski
1973cd746249SJonas Gorskiconfig CPU_BMIPS5000
1974cd746249SJonas Gorski	bool
1975cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1976bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1977cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1978cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1979b4720809SFlorian Fainelli	select CPU_HAS_RIXI
19801bbb6c1bSKevin Cernekee
1981268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
19820e476d91SHuacai Chen	bool
19830e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1984b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19850e476d91SHuacai Chen
19863702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19872a21c730SFuxin Zhang	bool
19882a21c730SFuxin Zhang
19896f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19906f7a251aSWu Zhangjin	bool
199155045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
199255045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
19936f7a251aSWu Zhangjin
1994ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1995ca585cf9SKelvin Cheung	bool
1996ca585cf9SKelvin Cheung
199712e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
199812e3280bSYang Ling	bool
199912e3280bSYang Ling
20007cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
20017cf8053bSRalf Baechle	bool
20027cf8053bSRalf Baechle
20037cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
20047cf8053bSRalf Baechle	bool
20057cf8053bSRalf Baechle
2006a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
2007a6e18781SLeonid Yegoshin	bool
2008a6e18781SLeonid Yegoshin
2009c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
2010c5b36783SSteven J. Hill	bool
20119ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2012c5b36783SSteven J. Hill
20137fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
20147fd08ca5SLeonid Yegoshin	bool
20159ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20167fd08ca5SLeonid Yegoshin
20177cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
20187cf8053bSRalf Baechle	bool
20197cf8053bSRalf Baechle
20207cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
20217cf8053bSRalf Baechle	bool
20227cf8053bSRalf Baechle
20237fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
20247fd08ca5SLeonid Yegoshin	bool
20259ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20267fd08ca5SLeonid Yegoshin
2027281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600
2028281e3aeaSSerge Semin	bool
2029281e3aeaSSerge Semin	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2030281e3aeaSSerge Semin
20317cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
20327cf8053bSRalf Baechle	bool
20337cf8053bSRalf Baechle
20347cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
20357cf8053bSRalf Baechle	bool
20367cf8053bSRalf Baechle
20377cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
20387cf8053bSRalf Baechle	bool
20397cf8053bSRalf Baechle
204065ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300
204165ce6197SLauri Kasanen	bool
204265ce6197SLauri Kasanen
20437cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
20447cf8053bSRalf Baechle	bool
20457cf8053bSRalf Baechle
20467cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
20477cf8053bSRalf Baechle	bool
20487cf8053bSRalf Baechle
20497cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
20507cf8053bSRalf Baechle	bool
20517cf8053bSRalf Baechle
2052542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
2053542c1020SShinya Kuribayashi	bool
2054542c1020SShinya Kuribayashi
20557cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
20567cf8053bSRalf Baechle	bool
20577cf8053bSRalf Baechle
20587cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
20597cf8053bSRalf Baechle	bool
20609ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20617cf8053bSRalf Baechle
20627cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
20637cf8053bSRalf Baechle	bool
20647cf8053bSRalf Baechle
20657cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
20667cf8053bSRalf Baechle	bool
20677cf8053bSRalf Baechle
20685e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
20695e683389SDavid Daney	bool
20705e683389SDavid Daney
2071cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
2072c1c0c461SKevin Cernekee	bool
2073c1c0c461SKevin Cernekee
2074fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
2075c1c0c461SKevin Cernekee	bool
2076cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2077c1c0c461SKevin Cernekee
2078c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
2079c1c0c461SKevin Cernekee	bool
2080cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2081c1c0c461SKevin Cernekee
2082c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
2083c1c0c461SKevin Cernekee	bool
2084cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2085c1c0c461SKevin Cernekee
2086c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2087c1c0c461SKevin Cernekee	bool
2088cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2089f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
2090c1c0c461SKevin Cernekee
20917f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20927f058e85SJayachandran C	bool
20937f058e85SJayachandran C
20941c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20951c773ea4SJayachandran C	bool
20961c773ea4SJayachandran C
209717099b11SRalf Baechle#
209817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
209917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
210017099b11SRalf Baechle#
21010004a9dfSRalf Baechleconfig WEAK_ORDERING
21020004a9dfSRalf Baechle	bool
210317099b11SRalf Baechle
210417099b11SRalf Baechle#
210517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
210617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
210717099b11SRalf Baechle#
210817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
210917099b11SRalf Baechle	bool
21105e83d430SRalf Baechleendmenu
21115e83d430SRalf Baechle
21125e83d430SRalf Baechle#
21135e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
21145e83d430SRalf Baechle#
21155e83d430SRalf Baechleconfig CPU_MIPS32
21165e83d430SRalf Baechle	bool
2117ab7c01fdSSerge Semin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
2118281e3aeaSSerge Semin		     CPU_MIPS32_R6 || CPU_P5600
21195e83d430SRalf Baechle
21205e83d430SRalf Baechleconfig CPU_MIPS64
21215e83d430SRalf Baechle	bool
2122ab7c01fdSSerge Semin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
21235a4fa44fSJason A. Donenfeld		     CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
21245e83d430SRalf Baechle
21255e83d430SRalf Baechle#
212657eeacedSPaul Burton# These indicate the revision of the architecture
21275e83d430SRalf Baechle#
21285e83d430SRalf Baechleconfig CPU_MIPSR1
21295e83d430SRalf Baechle	bool
21305e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
21315e83d430SRalf Baechle
21325e83d430SRalf Baechleconfig CPU_MIPSR2
21335e83d430SRalf Baechle	bool
2134a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
21358256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2136ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2137a7e07b1aSMarkos Chandras	select MIPS_SPRAM
21385e83d430SRalf Baechle
2139ab7c01fdSSerge Seminconfig CPU_MIPSR5
2140ab7c01fdSSerge Semin	bool
2141281e3aeaSSerge Semin	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
2142ab7c01fdSSerge Semin	select CPU_HAS_RIXI
2143ab7c01fdSSerge Semin	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2144ab7c01fdSSerge Semin	select MIPS_SPRAM
2145ab7c01fdSSerge Semin
21467fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
21477fd08ca5SLeonid Yegoshin	bool
21487fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
21498256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2150ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
215187321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
21522db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
21534a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2154a7e07b1aSMarkos Chandras	select MIPS_SPRAM
21555e83d430SRalf Baechle
215657eeacedSPaul Burtonconfig TARGET_ISA_REV
215757eeacedSPaul Burton	int
215857eeacedSPaul Burton	default 1 if CPU_MIPSR1
215957eeacedSPaul Burton	default 2 if CPU_MIPSR2
2160ab7c01fdSSerge Semin	default 5 if CPU_MIPSR5
216157eeacedSPaul Burton	default 6 if CPU_MIPSR6
216257eeacedSPaul Burton	default 0
216357eeacedSPaul Burton	help
216457eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
216557eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
216657eeacedSPaul Burton
2167a6e18781SLeonid Yegoshinconfig EVA
2168a6e18781SLeonid Yegoshin	bool
2169a6e18781SLeonid Yegoshin
2170c5b36783SSteven J. Hillconfig XPA
2171c5b36783SSteven J. Hill	bool
2172c5b36783SSteven J. Hill
21735e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
21745e83d430SRalf Baechle	bool
21755e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
21765e83d430SRalf Baechle	bool
21775e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
21785e83d430SRalf Baechle	bool
21795e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
21805e83d430SRalf Baechle	bool
218155045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
218255045ff5SWu Zhangjin	bool
218355045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
218455045ff5SWu Zhangjin	bool
21859cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
21869cffd154SDavid Daney	bool
2187171543e7SDaniel Silsby	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
218882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
218982622284SDavid Daney	bool
2190c6972fb9SHuang Pei	depends on 64BIT
2191c6972fb9SHuang Pei	default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
21925e83d430SRalf Baechle
21938192c9eaSDavid Daney#
21948192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
21958192c9eaSDavid Daney#
21968192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
21978192c9eaSDavid Daney	bool
2198679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
21998192c9eaSDavid Daney
22005e83d430SRalf Baechlemenu "Kernel type"
22015e83d430SRalf Baechle
22025e83d430SRalf Baechlechoice
22035e83d430SRalf Baechle	prompt "Kernel code model"
22045e83d430SRalf Baechle	help
22055e83d430SRalf Baechle	  You should only select this option if you have a workload that
22065e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
22075e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
22085e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
22095e83d430SRalf Baechle
22105e83d430SRalf Baechleconfig 32BIT
22115e83d430SRalf Baechle	bool "32-bit kernel"
22125e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
22135e83d430SRalf Baechle	select TRAD_SIGNALS
22145e83d430SRalf Baechle	help
22155e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2216f17c4ca3SRalf Baechle
22175e83d430SRalf Baechleconfig 64BIT
22185e83d430SRalf Baechle	bool "64-bit kernel"
22195e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
22205e83d430SRalf Baechle	help
22215e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
22225e83d430SRalf Baechle
22235e83d430SRalf Baechleendchoice
22245e83d430SRalf Baechle
22251e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
22261e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
22271e321fa9SLeonid Yegoshin	depends on 64BIT
22281e321fa9SLeonid Yegoshin	help
22293377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
22303377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
22313377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
22323377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
22333377e227SAlex Belits	  level of page tables is added which imposes both a memory
22343377e227SAlex Belits	  overhead as well as slower TLB fault handling.
22353377e227SAlex Belits
22361e321fa9SLeonid Yegoshin	  If unsure, say N.
22371e321fa9SLeonid Yegoshin
22381da177e4SLinus Torvaldschoice
22391da177e4SLinus Torvalds	prompt "Kernel page size"
22401da177e4SLinus Torvalds	default PAGE_SIZE_4KB
22411da177e4SLinus Torvalds
22421da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
22431da177e4SLinus Torvalds	bool "4kB"
2244268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
22451da177e4SLinus Torvalds	help
22461da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
22471da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
22481da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
22491da177e4SLinus Torvalds	  recommended for low memory systems.
22501da177e4SLinus Torvalds
22511da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
22521da177e4SLinus Torvalds	bool "8kB"
2253c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
22541e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
22551da177e4SLinus Torvalds	help
22561da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
22571da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2258c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2259c2aeaaeaSPaul Burton	  distribution to support this.
22601da177e4SLinus Torvalds
22611da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
22621da177e4SLinus Torvalds	bool "16kB"
2263714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
22641da177e4SLinus Torvalds	help
22651da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
22661da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2267714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2268714bfad6SRalf Baechle	  Linux distribution to support this.
22691da177e4SLinus Torvalds
2270c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2271c52399beSRalf Baechle	bool "32kB"
2272c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
22731e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2274c52399beSRalf Baechle	help
2275c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2276c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2277c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2278c52399beSRalf Baechle	  distribution to support this.
2279c52399beSRalf Baechle
22801da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22811da177e4SLinus Torvalds	bool "64kB"
22823b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22831da177e4SLinus Torvalds	help
22841da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22851da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22861da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2287714bfad6SRalf Baechle	  writing this option is still high experimental.
22881da177e4SLinus Torvalds
22891da177e4SLinus Torvaldsendchoice
22901da177e4SLinus Torvalds
2291c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2292c9bace7cSDavid Daney	int "Maximum zone order"
2293e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2294e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2295e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2296e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2297e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2298e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2299ef923a76SPaul Cercueil	range 0 64
2300c9bace7cSDavid Daney	default "11"
2301c9bace7cSDavid Daney	help
2302c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2303c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2304c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2305c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2306c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2307c9bace7cSDavid Daney	  increase this value.
2308c9bace7cSDavid Daney
2309c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2310c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2311c9bace7cSDavid Daney
2312c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2313c9bace7cSDavid Daney	  when choosing a value for this option.
2314c9bace7cSDavid Daney
23151da177e4SLinus Torvaldsconfig BOARD_SCACHE
23161da177e4SLinus Torvalds	bool
23171da177e4SLinus Torvalds
23181da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
23191da177e4SLinus Torvalds	bool
23201da177e4SLinus Torvalds	select BOARD_SCACHE
23211da177e4SLinus Torvalds
23229318c51aSChris Dearman#
23239318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
23249318c51aSChris Dearman#
23259318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
23269318c51aSChris Dearman	bool
23279318c51aSChris Dearman	select BOARD_SCACHE
23289318c51aSChris Dearman
23291da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
23301da177e4SLinus Torvalds	bool
23311da177e4SLinus Torvalds	select BOARD_SCACHE
23321da177e4SLinus Torvalds
23331da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
23341da177e4SLinus Torvalds	bool
23351da177e4SLinus Torvalds	select BOARD_SCACHE
23361da177e4SLinus Torvalds
23371da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
23381da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
23391da177e4SLinus Torvalds	depends on CPU_SB1
23401da177e4SLinus Torvalds	help
23411da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
23421da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
23431da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
23441da177e4SLinus Torvalds
23451da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2346c8094b53SRalf Baechle	bool
23471da177e4SLinus Torvalds
23483165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
23493165c846SFlorian Fainelli	bool
2350c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
23513165c846SFlorian Fainelli
2352c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2353183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2354183b40f9SPaul Burton	default y
2355183b40f9SPaul Burton	help
2356183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2357183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2358183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2359183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2360183b40f9SPaul Burton	  receive a SIGILL.
2361183b40f9SPaul Burton
2362183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2363183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2364183b40f9SPaul Burton
2365183b40f9SPaul Burton	  If unsure, say y.
2366c92e47e5SPaul Burton
236797f7dcbfSPaul Burtonconfig CPU_R2300_FPU
236897f7dcbfSPaul Burton	bool
2369c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
237097f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
237197f7dcbfSPaul Burton
237254746829SPaul Burtonconfig CPU_R3K_TLB
237354746829SPaul Burton	bool
237454746829SPaul Burton
237591405eb6SFlorian Fainelliconfig CPU_R4K_FPU
237691405eb6SFlorian Fainelli	bool
2377c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
237897f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
237991405eb6SFlorian Fainelli
238062cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
238162cedc4fSFlorian Fainelli	bool
238254746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
238362cedc4fSFlorian Fainelli
238459d6ab86SRalf Baechleconfig MIPS_MT_SMP
2385a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23865cbf9688SPaul Burton	default y
2387527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
238859d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2389d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2390c080faa5SSteven J. Hill	select SYNC_R4K
239159d6ab86SRalf Baechle	select MIPS_MT
239259d6ab86SRalf Baechle	select SMP
239387353d8aSRalf Baechle	select SMP_UP
2394c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2395c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2396399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
239759d6ab86SRalf Baechle	help
2398c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2399c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2400c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2401c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2402c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
240359d6ab86SRalf Baechle
2404f41ae0b2SRalf Baechleconfig MIPS_MT
2405f41ae0b2SRalf Baechle	bool
2406f41ae0b2SRalf Baechle
24070ab7aefcSRalf Baechleconfig SCHED_SMT
24080ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
24090ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
24100ab7aefcSRalf Baechle	default n
24110ab7aefcSRalf Baechle	help
24120ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
24130ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
24140ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
24150ab7aefcSRalf Baechle
24160ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
24170ab7aefcSRalf Baechle	bool
24180ab7aefcSRalf Baechle
2419f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2420f41ae0b2SRalf Baechle	bool
2421f41ae0b2SRalf Baechle
2422f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2423f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2424f088fc84SRalf Baechle	default y
2425b633648cSRalf Baechle	depends on MIPS_MT_SMP
242607cc0c9eSRalf Baechle
2427b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2428b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
24299eaa9a82SPaul Burton	depends on CPU_MIPSR6
2430c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2431b0a668fbSLeonid Yegoshin	default y
2432b0a668fbSLeonid Yegoshin	help
2433b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2434b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
243507edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2436b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2437b0a668fbSLeonid Yegoshin	  final kernel image.
2438b0a668fbSLeonid Yegoshin
2439f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2440f35764e7SJames Hogan	bool
2441f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2442f35764e7SJames Hogan	help
2443f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2444f35764e7SJames Hogan	  physical_memsize.
2445f35764e7SJames Hogan
244607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
244707cc0c9eSRalf Baechle	bool "VPE loader support."
2448f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
244907cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
245007cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
245107cc0c9eSRalf Baechle	select MIPS_MT
245207cc0c9eSRalf Baechle	help
245307cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
245407cc0c9eSRalf Baechle	  onto another VPE and running it.
2455f088fc84SRalf Baechle
245617a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
245717a1d523SDeng-Cheng Zhu	bool
245817a1d523SDeng-Cheng Zhu	default "y"
245917a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
246017a1d523SDeng-Cheng Zhu
24611a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
24621a2a6d7eSDeng-Cheng Zhu	bool
24631a2a6d7eSDeng-Cheng Zhu	default "y"
24641a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
24651a2a6d7eSDeng-Cheng Zhu
2466e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2467e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2468e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2469e01402b1SRalf Baechle	default y
2470e01402b1SRalf Baechle	help
2471e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2472e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2473e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2474e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2475e01402b1SRalf Baechle
2476e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2477e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2478e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2479e01402b1SRalf Baechle
2480da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2481da615cf6SDeng-Cheng Zhu	bool
2482da615cf6SDeng-Cheng Zhu	default "y"
2483da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2484da615cf6SDeng-Cheng Zhu
24852c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24862c973ef0SDeng-Cheng Zhu	bool
24872c973ef0SDeng-Cheng Zhu	default "y"
24882c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24892c973ef0SDeng-Cheng Zhu
24904a16ff4cSRalf Baechleconfig MIPS_CMP
24915cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24925676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2493b10b43baSMarkos Chandras	select SMP
2494eb9b5141STim Anderson	select SYNC_R4K
2495b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
24964a16ff4cSRalf Baechle	select WEAK_ORDERING
24974a16ff4cSRalf Baechle	default n
24984a16ff4cSRalf Baechle	help
2499044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2500044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2501044505c7SPaul Burton	  its ability to start secondary CPUs.
25024a16ff4cSRalf Baechle
25035cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
25045cac93b3SPaul Burton	  instead of this.
25055cac93b3SPaul Burton
25060ee958e1SPaul Burtonconfig MIPS_CPS
25070ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
25085a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
25090ee958e1SPaul Burton	select MIPS_CM
25101d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
25110ee958e1SPaul Burton	select SMP
25120ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
25131d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2514c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
25150ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
25160ee958e1SPaul Burton	select WEAK_ORDERING
2517d8d3276bSWei Li	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
25180ee958e1SPaul Burton	help
25190ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
25200ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
25210ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
25220ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
25230ee958e1SPaul Burton	  support is unavailable.
25240ee958e1SPaul Burton
25253179d37eSPaul Burtonconfig MIPS_CPS_PM
252639a59593SMarkos Chandras	depends on MIPS_CPS
25273179d37eSPaul Burton	bool
25283179d37eSPaul Burton
25299f98f3ddSPaul Burtonconfig MIPS_CM
25309f98f3ddSPaul Burton	bool
25313c9b4166SPaul Burton	select MIPS_CPC
25329f98f3ddSPaul Burton
25339c38cf44SPaul Burtonconfig MIPS_CPC
25349c38cf44SPaul Burton	bool
25352600990eSRalf Baechle
25361da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
25371da177e4SLinus Torvalds	bool
25381da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
25391da177e4SLinus Torvalds	default y
25401da177e4SLinus Torvalds
25411da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
25421da177e4SLinus Torvalds	bool
25431da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
25441da177e4SLinus Torvalds	default y
25451da177e4SLinus Torvalds
25469e2b5372SMarkos Chandraschoice
25479e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
25489e2b5372SMarkos Chandras
25499e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
25509e2b5372SMarkos Chandras	bool "None"
25519e2b5372SMarkos Chandras	help
25529e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
25539e2b5372SMarkos Chandras
25549693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
25559693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
25569e2b5372SMarkos Chandras	bool "SmartMIPS"
25579693a853SFranck Bui-Huu	help
25589693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
25599693a853SFranck Bui-Huu	  increased security at both hardware and software level for
25609693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
25619693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
25629693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
25639693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
25649693a853SFranck Bui-Huu	  here.
25659693a853SFranck Bui-Huu
2566bce86083SSteven J. Hillconfig CPU_MICROMIPS
25677fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
25689e2b5372SMarkos Chandras	bool "microMIPS"
2569bce86083SSteven J. Hill	help
2570bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2571bce86083SSteven J. Hill	  microMIPS ISA
2572bce86083SSteven J. Hill
25739e2b5372SMarkos Chandrasendchoice
25749e2b5372SMarkos Chandras
2575a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
25760ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2577a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2578c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
25792a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2580a5e9a69eSPaul Burton	help
2581a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2582a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
25831db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25841db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25851db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25861db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25871db1af84SPaul Burton	  the size & complexity of your kernel.
2588a5e9a69eSPaul Burton
2589a5e9a69eSPaul Burton	  If unsure, say Y.
2590a5e9a69eSPaul Burton
25911da177e4SLinus Torvaldsconfig CPU_HAS_WB
2592f7062ddbSRalf Baechle	bool
2593e01402b1SRalf Baechle
2594df0ac8a4SKevin Cernekeeconfig XKS01
2595df0ac8a4SKevin Cernekee	bool
2596df0ac8a4SKevin Cernekee
2597ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2598ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2599ba9196d2SJiaxun Yang	bool
2600ba9196d2SJiaxun Yang
2601ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2602ba9196d2SJiaxun Yang	bool
2603ba9196d2SJiaxun Yang
26048256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
26058256b17eSFlorian Fainelli	bool
26068256b17eSFlorian Fainelli
260718d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2608932afdeeSYasha Cherikovsky	bool
2609932afdeeSYasha Cherikovsky	help
261018d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2611932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
261218d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
261318d84e2eSAlexander Lobakin	  systems).
2614932afdeeSYasha Cherikovsky
2615f41ae0b2SRalf Baechle#
2616f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2617f41ae0b2SRalf Baechle#
2618e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2619f41ae0b2SRalf Baechle	bool
2620e01402b1SRalf Baechle
2621f41ae0b2SRalf Baechle#
2622f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2623f41ae0b2SRalf Baechle#
2624e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2625f41ae0b2SRalf Baechle	bool
2626e01402b1SRalf Baechle
26271da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
26281da177e4SLinus Torvalds	bool
26291da177e4SLinus Torvalds	depends on !CPU_R3000
26301da177e4SLinus Torvalds	default y
26311da177e4SLinus Torvalds
26321da177e4SLinus Torvalds#
263320d60d99SMaciej W. Rozycki# CPU non-features
263420d60d99SMaciej W. Rozycki#
263520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
263620d60d99SMaciej W. Rozycki	bool
263720d60d99SMaciej W. Rozycki
263820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
263920d60d99SMaciej W. Rozycki	bool
264020d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
264120d60d99SMaciej W. Rozycki
264220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
264320d60d99SMaciej W. Rozycki	bool
264420d60d99SMaciej W. Rozycki
2645071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2646071d2f0bSPaul Burton	bool
2647071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2648071d2f0bSPaul Burton
26494edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
26504edf00a4SPaul Burton	int
26514edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26524edf00a4SPaul Burton	default 0
26534edf00a4SPaul Burton
26544edf00a4SPaul Burtonconfig MIPS_ASID_BITS
26554edf00a4SPaul Burton	int
26562db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
26574edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26584edf00a4SPaul Burton	default 8
26594edf00a4SPaul Burton
26602db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
26612db003a5SPaul Burton	bool
26622db003a5SPaul Burton
26634a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
26644a5dc51eSMarcin Nowakowski	bool
26654a5dc51eSMarcin Nowakowski
2666802b8362SThomas Bogendoerfer# R4600 erratum.  Due to the lack of errata information the exact
2667802b8362SThomas Bogendoerfer# technical details aren't known.  I've experimentally found that disabling
2668802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal
2669802b8362SThomas Bogendoerfer# with the issue.
2670802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP
2671802b8362SThomas Bogendoerfer	bool
2672802b8362SThomas Bogendoerfer
26735e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
26745e5b6527SThomas Bogendoerfer#
26755e5b6527SThomas Bogendoerfer#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
26765e5b6527SThomas Bogendoerfer#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
26775e5b6527SThomas Bogendoerfer#      executed if there is no other dcache activity. If the dcache is
267818ff14c8SColin Ian King#      accessed for another instruction immediately preceding when these
26795e5b6527SThomas Bogendoerfer#      cache instructions are executing, it is possible that the dcache
26805e5b6527SThomas Bogendoerfer#      tag match outputs used by these cache instructions will be
26815e5b6527SThomas Bogendoerfer#      incorrect. These cache instructions should be preceded by at least
26825e5b6527SThomas Bogendoerfer#      four instructions that are not any kind of load or store
26835e5b6527SThomas Bogendoerfer#      instruction.
26845e5b6527SThomas Bogendoerfer#
26855e5b6527SThomas Bogendoerfer#      This is not allowed:    lw
26865e5b6527SThomas Bogendoerfer#                              nop
26875e5b6527SThomas Bogendoerfer#                              nop
26885e5b6527SThomas Bogendoerfer#                              nop
26895e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
26905e5b6527SThomas Bogendoerfer#
26915e5b6527SThomas Bogendoerfer#      This is allowed:        lw
26925e5b6527SThomas Bogendoerfer#                              nop
26935e5b6527SThomas Bogendoerfer#                              nop
26945e5b6527SThomas Bogendoerfer#                              nop
26955e5b6527SThomas Bogendoerfer#                              nop
26965e5b6527SThomas Bogendoerfer#                              cache       Hit_Writeback_Invalidate_D
26975e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP
26985e5b6527SThomas Bogendoerfer	bool
26995e5b6527SThomas Bogendoerfer
270044def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA.
270144def342SThomas Bogendoerfer#
270244def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
270344def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
270444def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty.  These
270544def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss
270644def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer."
270744def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/
270844def342SThomas Bogendoerfer# in .pdf format.)
270944def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP
271044def342SThomas Bogendoerfer	bool
271144def342SThomas Bogendoerfer
271224a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
271324a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following
271424a1c023SThomas Bogendoerfer# operation is not guaranteed."
271524a1c023SThomas Bogendoerfer#
271624a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I
271724a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV
271824a1c023SThomas Bogendoerfer	bool
271924a1c023SThomas Bogendoerfer
2720886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2721886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same
2722886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious
2723886ee136SThomas Bogendoerfer# exceptions.
2724886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS
2725886ee136SThomas Bogendoerfer	bool
2726886ee136SThomas Bogendoerfer
2727256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2728256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically.
2729256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC
2730256ec489SThomas Bogendoerfer	bool
2731256ec489SThomas Bogendoerfer
2732a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction"
2733a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB
2734a7fbed98SThomas Bogendoerfer	bool
2735a7fbed98SThomas Bogendoerfer
273620d60d99SMaciej W. Rozycki#
27371da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
27381da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
27391da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
27401da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
27411da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
27421da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
27431da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
27441da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2745797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2746797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2747797798c1SRalf Baechle#   support.
27481da177e4SLinus Torvalds#
27491da177e4SLinus Torvaldsconfig HIGHMEM
27501da177e4SLinus Torvalds	bool "High Memory Support"
2751a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2752a4c33e83SThomas Gleixner	select KMAP_LOCAL
2753797798c1SRalf Baechle
2754797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2755797798c1SRalf Baechle	bool
2756797798c1SRalf Baechle
2757797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2758797798c1SRalf Baechle	bool
27591da177e4SLinus Torvalds
27609693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
27619693a853SFranck Bui-Huu	bool
27629693a853SFranck Bui-Huu
2763a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2764a6a4834cSSteven J. Hill	bool
2765a6a4834cSSteven J. Hill
2766377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2767377cb1b6SRalf Baechle	bool
2768377cb1b6SRalf Baechle	help
2769377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2770377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2771377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2772377cb1b6SRalf Baechle
2773a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2774a5e9a69eSPaul Burton	bool
2775a5e9a69eSPaul Burton
2776b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2777b4819b59SYoichi Yuasa	def_bool y
2778268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2779b4819b59SYoichi Yuasa
2780b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2781b1c6cd42SAtsushi Nemoto	bool
2782397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
278331473747SAtsushi Nemoto
2784d8cb4e11SRalf Baechleconfig NUMA
2785d8cb4e11SRalf Baechle	bool "NUMA Support"
2786d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2787cf8194e4STiezhu Yang	select SMP
2788d8cb4e11SRalf Baechle	help
2789d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2790d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2791d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2792172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2793d8cb4e11SRalf Baechle	  disabled.
2794d8cb4e11SRalf Baechle
2795d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2796d8cb4e11SRalf Baechle	bool
2797d8cb4e11SRalf Baechle
2798f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA
2799f3c560a6SThomas Bogendoerfer	def_bool y
2800f3c560a6SThomas Bogendoerfer	depends on NUMA
2801f3c560a6SThomas Bogendoerfer
2802f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK
2803f3c560a6SThomas Bogendoerfer	def_bool y
2804f3c560a6SThomas Bogendoerfer	depends on NUMA
2805f3c560a6SThomas Bogendoerfer
28068c530ea3SMatt Redfearnconfig RELOCATABLE
28078c530ea3SMatt Redfearn	bool "Relocatable kernel"
2808ab7c01fdSSerge Semin	depends on SYS_SUPPORTS_RELOCATABLE
2809ab7c01fdSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2810ab7c01fdSSerge Semin		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2811ab7c01fdSSerge Semin		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2812a307a4ceSJinyang He		   CPU_P5600 || CAVIUM_OCTEON_SOC || \
2813a307a4ceSJinyang He		   CPU_LOONGSON64
28148c530ea3SMatt Redfearn	help
28158c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
28168c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
28178c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
28188c530ea3SMatt Redfearn	  but are discarded at runtime
28198c530ea3SMatt Redfearn
2820069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2821069fd766SMatt Redfearn	hex "Relocation table size"
2822069fd766SMatt Redfearn	depends on RELOCATABLE
2823069fd766SMatt Redfearn	range 0x0 0x01000000
2824a307a4ceSJinyang He	default "0x00200000" if CPU_LOONGSON64
2825069fd766SMatt Redfearn	default "0x00100000"
2826a7f7f624SMasahiro Yamada	help
2827069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2828069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2829069fd766SMatt Redfearn
2830069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2831069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2832069fd766SMatt Redfearn
2833069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2834069fd766SMatt Redfearn
2835069fd766SMatt Redfearn	  If unsure, leave at the default value.
2836069fd766SMatt Redfearn
2837405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2838405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2839405bc8fdSMatt Redfearn	depends on RELOCATABLE
2840a7f7f624SMasahiro Yamada	help
2841405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2842405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2843405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2844405bc8fdSMatt Redfearn	  of kernel internals.
2845405bc8fdSMatt Redfearn
2846405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2847405bc8fdSMatt Redfearn
2848405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2849405bc8fdSMatt Redfearn
2850405bc8fdSMatt Redfearn	  If unsure, say N.
2851405bc8fdSMatt Redfearn
2852405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2853405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2854405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2855405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2856405bc8fdSMatt Redfearn	range 0x0 0x08000000
2857405bc8fdSMatt Redfearn	default "0x01000000"
2858a7f7f624SMasahiro Yamada	help
2859405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2860405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2861405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2862405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2863405bc8fdSMatt Redfearn
2864405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2865405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2866405bc8fdSMatt Redfearn
2867c80d79d7SYasunori Gotoconfig NODES_SHIFT
2868c80d79d7SYasunori Goto	int
2869c80d79d7SYasunori Goto	default "6"
2870c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2871c80d79d7SYasunori Goto
287214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
287314f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
2874e2589589SViresh Kumar	depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
287514f70012SDeng-Cheng Zhu	default y
287614f70012SDeng-Cheng Zhu	help
287714f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
287814f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
287914f70012SDeng-Cheng Zhu
2880be8fa1cbSTiezhu Yangconfig DMI
2881be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2882be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2883be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2884be8fa1cbSTiezhu Yang	default y
2885be8fa1cbSTiezhu Yang	help
2886be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2887be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2888be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2889be8fa1cbSTiezhu Yang	  BIOS code.
2890be8fa1cbSTiezhu Yang
28911da177e4SLinus Torvaldsconfig SMP
28921da177e4SLinus Torvalds	bool "Multi-Processing support"
2893e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2894e73ea273SRalf Baechle	help
28951da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
28964a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
28974a474157SRobert Graffham	  than one CPU, say Y.
28981da177e4SLinus Torvalds
28994a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
29001da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
29011da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
29024a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
29031da177e4SLinus Torvalds	  will run faster if you say N here.
29041da177e4SLinus Torvalds
29051da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
29061da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
29071da177e4SLinus Torvalds
290803502faaSAdrian Bunk	  See also the SMP-HOWTO available at
2909ef054ad3SAlexander A. Klimov	  <https://www.tldp.org/docs.html#howto>.
29101da177e4SLinus Torvalds
29111da177e4SLinus Torvalds	  If you don't know what to do here, say N.
29121da177e4SLinus Torvalds
29137840d618SMatt Redfearnconfig HOTPLUG_CPU
29147840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
29157840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
29167840d618SMatt Redfearn	help
29177840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
29187840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
29197840d618SMatt Redfearn	  (Note: power management support will enable this option
29207840d618SMatt Redfearn	    automatically on SMP systems. )
29217840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
29227840d618SMatt Redfearn
292387353d8aSRalf Baechleconfig SMP_UP
292487353d8aSRalf Baechle	bool
292587353d8aSRalf Baechle
29264a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
29274a16ff4cSRalf Baechle	bool
29284a16ff4cSRalf Baechle
29290ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
29300ee958e1SPaul Burton	bool
29310ee958e1SPaul Burton
2932e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2933e73ea273SRalf Baechle	bool
2934e73ea273SRalf Baechle
2935130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2936130e2fb7SRalf Baechle	bool
2937130e2fb7SRalf Baechle
2938130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2939130e2fb7SRalf Baechle	bool
2940130e2fb7SRalf Baechle
2941130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2942130e2fb7SRalf Baechle	bool
2943130e2fb7SRalf Baechle
2944130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2945130e2fb7SRalf Baechle	bool
2946130e2fb7SRalf Baechle
2947130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2948130e2fb7SRalf Baechle	bool
2949130e2fb7SRalf Baechle
29501da177e4SLinus Torvaldsconfig NR_CPUS
2951a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2952a91796a9SJayachandran C	range 2 256
29531da177e4SLinus Torvalds	depends on SMP
2954130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2955130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2956130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2957130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2958130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
29591da177e4SLinus Torvalds	help
29601da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
29611da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
29621da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
296372ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
296472ede9b1SAtsushi Nemoto	  and 2 for all others.
29651da177e4SLinus Torvalds
29661da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
296772ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
296872ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
296972ede9b1SAtsushi Nemoto	  power of two.
29701da177e4SLinus Torvalds
2971399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2972399aaa25SAl Cooper	bool
2973399aaa25SAl Cooper
29747820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
29757820b84bSDavid Daney	bool
29767820b84bSDavid Daney
29777820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
29787820b84bSDavid Daney	int
29797820b84bSDavid Daney	depends on SMP
29807820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
29817820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
29827820b84bSDavid Daney
29831723b4a3SAtsushi Nemoto#
29841723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
29851723b4a3SAtsushi Nemoto#
29861723b4a3SAtsushi Nemoto
29871723b4a3SAtsushi Nemotochoice
29881723b4a3SAtsushi Nemoto	prompt "Timer frequency"
29891723b4a3SAtsushi Nemoto	default HZ_250
29901723b4a3SAtsushi Nemoto	help
29911723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
29921723b4a3SAtsushi Nemoto
299367596573SPaul Burton	config HZ_24
299467596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
299567596573SPaul Burton
29961723b4a3SAtsushi Nemoto	config HZ_48
29970f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
29981723b4a3SAtsushi Nemoto
29991723b4a3SAtsushi Nemoto	config HZ_100
30001723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
30011723b4a3SAtsushi Nemoto
30021723b4a3SAtsushi Nemoto	config HZ_128
30031723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
30041723b4a3SAtsushi Nemoto
30051723b4a3SAtsushi Nemoto	config HZ_250
30061723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
30071723b4a3SAtsushi Nemoto
30081723b4a3SAtsushi Nemoto	config HZ_256
30091723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
30101723b4a3SAtsushi Nemoto
30111723b4a3SAtsushi Nemoto	config HZ_1000
30121723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
30131723b4a3SAtsushi Nemoto
30141723b4a3SAtsushi Nemoto	config HZ_1024
30151723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
30161723b4a3SAtsushi Nemoto
30171723b4a3SAtsushi Nemotoendchoice
30181723b4a3SAtsushi Nemoto
301967596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
302067596573SPaul Burton	bool
302167596573SPaul Burton
30221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
30231723b4a3SAtsushi Nemoto	bool
30241723b4a3SAtsushi Nemoto
30251723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
30261723b4a3SAtsushi Nemoto	bool
30271723b4a3SAtsushi Nemoto
30281723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
30291723b4a3SAtsushi Nemoto	bool
30301723b4a3SAtsushi Nemoto
30311723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
30321723b4a3SAtsushi Nemoto	bool
30331723b4a3SAtsushi Nemoto
30341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
30351723b4a3SAtsushi Nemoto	bool
30361723b4a3SAtsushi Nemoto
30371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
30381723b4a3SAtsushi Nemoto	bool
30391723b4a3SAtsushi Nemoto
30401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
30411723b4a3SAtsushi Nemoto	bool
30421723b4a3SAtsushi Nemoto
30431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
30441723b4a3SAtsushi Nemoto	bool
304567596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
304667596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
304767596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
304867596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
304967596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
305067596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
305167596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
30521723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
30531723b4a3SAtsushi Nemoto
30541723b4a3SAtsushi Nemotoconfig HZ
30551723b4a3SAtsushi Nemoto	int
305667596573SPaul Burton	default 24 if HZ_24
30571723b4a3SAtsushi Nemoto	default 48 if HZ_48
30581723b4a3SAtsushi Nemoto	default 100 if HZ_100
30591723b4a3SAtsushi Nemoto	default 128 if HZ_128
30601723b4a3SAtsushi Nemoto	default 250 if HZ_250
30611723b4a3SAtsushi Nemoto	default 256 if HZ_256
30621723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
30631723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
30641723b4a3SAtsushi Nemoto
306596685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
306696685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
306796685b17SDeng-Cheng Zhu
3068ea6e942bSAtsushi Nemotoconfig KEXEC
30697d60717eSKees Cook	bool "Kexec system call"
30702965faa5SDave Young	select KEXEC_CORE
3071ea6e942bSAtsushi Nemoto	help
3072ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
3073ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
30743dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
3075ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
3076ea6e942bSAtsushi Nemoto
307701dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
3078ea6e942bSAtsushi Nemoto
3079ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
3080ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
3081bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
3082bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
3083bf220695SGeert Uytterhoeven	  made.
3084ea6e942bSAtsushi Nemoto
30857aa1c8f4SRalf Baechleconfig CRASH_DUMP
30867aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
30877aa1c8f4SRalf Baechle	help
30887aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
30897aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
30907aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
30917aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
30927aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
30937aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
30947aa1c8f4SRalf Baechle	  PHYSICAL_START.
30957aa1c8f4SRalf Baechle
30967aa1c8f4SRalf Baechleconfig PHYSICAL_START
30977aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
30988bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
30997aa1c8f4SRalf Baechle	depends on CRASH_DUMP
31007aa1c8f4SRalf Baechle	help
31017aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
31027aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
31037aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
31047aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
31057aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
31067aa1c8f4SRalf Baechle
3107597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
3108b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
3109597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
3110597ce172SPaul Burton	help
3111597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
3112597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
3113597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
3114597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
3115597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
3116597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
3117597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
3118597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
3119597ce172SPaul Burton	  saying N here.
3120597ce172SPaul Burton
312106e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
312206e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
312318ff14c8SColin Ian King	  worked on. In order to avoid userland becoming dependent upon current
312406e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
312506e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
312606e2e882SPaul Burton	  said details.
312706e2e882SPaul Burton
312806e2e882SPaul Burton	  If unsure, say N.
3129597ce172SPaul Burton
3130f2ffa5abSDezhong Diaoconfig USE_OF
31310b3e06fdSJonas Gorski	bool
3132f2ffa5abSDezhong Diao	select OF
3133e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3134abd2363fSGrant Likely	select IRQ_DOMAIN
3135f2ffa5abSDezhong Diao
31362fe8ea39SDengcheng Zhuconfig UHI_BOOT
31372fe8ea39SDengcheng Zhu	bool
31382fe8ea39SDengcheng Zhu
31397fafb068SAndrew Brestickerconfig BUILTIN_DTB
31407fafb068SAndrew Bresticker	bool
31417fafb068SAndrew Bresticker
31421da8f179SJonas Gorskichoice
31435b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
31441da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
31451da8f179SJonas Gorski
31461da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
31471da8f179SJonas Gorski		bool "None"
31481da8f179SJonas Gorski		help
31491da8f179SJonas Gorski		  Do not enable appended dtb support.
31501da8f179SJonas Gorski
315187db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
315287db537dSAaro Koskinen		bool "vmlinux"
315387db537dSAaro Koskinen		help
315487db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
315587db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
315687db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
315787db537dSAaro Koskinen		  objcopy:
315887db537dSAaro Koskinen
315987db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
316087db537dSAaro Koskinen
316118ff14c8SColin Ian King		  This is meant as a backward compatibility convenience for those
316287db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
316387db537dSAaro Koskinen		  the documented boot protocol using a device tree.
316487db537dSAaro Koskinen
31651da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3166b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
31671da8f179SJonas Gorski		help
31681da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3169b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
31701da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
31711da8f179SJonas Gorski
31721da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
31731da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
31741da8f179SJonas Gorski		  the documented boot protocol using a device tree.
31751da8f179SJonas Gorski
31761da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
31771da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
31781da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
31791da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
31801da8f179SJonas Gorski		  if you don't intend to always append a DTB.
31811da8f179SJonas Gorskiendchoice
31821da8f179SJonas Gorski
31832024972eSJonas Gorskichoice
31842024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
31852bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
318687fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
31872bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
31882024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
31892024972eSJonas Gorski
31902024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
31912024972eSJonas Gorski		depends on USE_OF
31922024972eSJonas Gorski		bool "Dtb kernel arguments if available"
31932024972eSJonas Gorski
31942024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
31952024972eSJonas Gorski		depends on USE_OF
31962024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
31972024972eSJonas Gorski
31982024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
31992024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3200ed47e153SRabin Vincent
3201ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3202ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3203ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
32042024972eSJonas Gorskiendchoice
32052024972eSJonas Gorski
32065e83d430SRalf Baechleendmenu
32075e83d430SRalf Baechle
32081df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
32091df0f0ffSAtsushi Nemoto	bool
32101df0f0ffSAtsushi Nemoto	default y
32111df0f0ffSAtsushi Nemoto
32121df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
32131df0f0ffSAtsushi Nemoto	bool
32141df0f0ffSAtsushi Nemoto	default y
32151df0f0ffSAtsushi Nemoto
3216a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3217a728ab52SKirill A. Shutemov	int
32183377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3219a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3220a728ab52SKirill A. Shutemov	default 2
3221a728ab52SKirill A. Shutemov
32226c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
32236c359eb1SPaul Burton	bool
32246c359eb1SPaul Burton
32251da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
32261da177e4SLinus Torvalds
3227c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
32282eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3229c5611df9SPaul Burton	bool
3230c5611df9SPaul Burton
3231c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3232c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3233c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
32342eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
32351da177e4SLinus Torvalds
32361da177e4SLinus Torvalds#
32371da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
32381da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
32391da177e4SLinus Torvalds# users to choose the right thing ...
32401da177e4SLinus Torvalds#
32411da177e4SLinus Torvaldsconfig ISA
32421da177e4SLinus Torvalds	bool
32431da177e4SLinus Torvalds
32441da177e4SLinus Torvaldsconfig TC
32451da177e4SLinus Torvalds	bool "TURBOchannel support"
32461da177e4SLinus Torvalds	depends on MACH_DECSTATION
32471da177e4SLinus Torvalds	help
324850a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
324950a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
325050a23e6eSJustin P. Mattock	  at:
325150a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
325250a23e6eSJustin P. Mattock	  and:
325350a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
325450a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
325550a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
32561da177e4SLinus Torvalds
32571da177e4SLinus Torvaldsconfig MMU
32581da177e4SLinus Torvalds	bool
32591da177e4SLinus Torvalds	default y
32601da177e4SLinus Torvalds
3261109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3262109c32ffSMatt Redfearn	default 12 if 64BIT
3263109c32ffSMatt Redfearn	default 8
3264109c32ffSMatt Redfearn
3265109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3266109c32ffSMatt Redfearn	default 18 if 64BIT
3267109c32ffSMatt Redfearn	default 15
3268109c32ffSMatt Redfearn
3269109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3270109c32ffSMatt Redfearn	default 8
3271109c32ffSMatt Redfearn
3272109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3273109c32ffSMatt Redfearn	default 15
3274109c32ffSMatt Redfearn
3275d865bea4SRalf Baechleconfig I8253
3276d865bea4SRalf Baechle	bool
3277798778b8SRussell King	select CLKSRC_I8253
32782d02612fSThomas Gleixner	select CLKEVT_I8253
32799726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3280d865bea4SRalf Baechle
3281e05eb3f8SRalf Baechleconfig ZONE_DMA
3282e05eb3f8SRalf Baechle	bool
3283e05eb3f8SRalf Baechle
3284cce335aeSRalf Baechleconfig ZONE_DMA32
3285cce335aeSRalf Baechle	bool
3286cce335aeSRalf Baechle
32871da177e4SLinus Torvaldsendmenu
32881da177e4SLinus Torvalds
32891da177e4SLinus Torvaldsconfig TRAD_SIGNALS
32901da177e4SLinus Torvalds	bool
32911da177e4SLinus Torvalds
32921da177e4SLinus Torvaldsconfig MIPS32_COMPAT
329378aaf956SRalf Baechle	bool
32941da177e4SLinus Torvalds
32951da177e4SLinus Torvaldsconfig COMPAT
32961da177e4SLinus Torvalds	bool
32971da177e4SLinus Torvalds
329805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
329905e43966SAtsushi Nemoto	bool
330005e43966SAtsushi Nemoto
33011da177e4SLinus Torvaldsconfig MIPS32_O32
33021da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
330378aaf956SRalf Baechle	depends on 64BIT
330478aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
330578aaf956SRalf Baechle	select COMPAT
330678aaf956SRalf Baechle	select MIPS32_COMPAT
330778aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
33081da177e4SLinus Torvalds	help
33091da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
33101da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
33111da177e4SLinus Torvalds	  existing binaries are in this format.
33121da177e4SLinus Torvalds
33131da177e4SLinus Torvalds	  If unsure, say Y.
33141da177e4SLinus Torvalds
33151da177e4SLinus Torvaldsconfig MIPS32_N32
33161da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3317c22eacfeSRalf Baechle	depends on 64BIT
33185a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
331978aaf956SRalf Baechle	select COMPAT
332078aaf956SRalf Baechle	select MIPS32_COMPAT
332178aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
33221da177e4SLinus Torvalds	help
33231da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
33241da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
33251da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
33261da177e4SLinus Torvalds	  cases.
33271da177e4SLinus Torvalds
33281da177e4SLinus Torvalds	  If unsure, say N.
33291da177e4SLinus Torvalds
33302116245eSRalf Baechlemenu "Power management options"
3331952fa954SRodolfo Giometti
3332363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3333363c55caSWu Zhangjin	def_bool y
33343f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3335363c55caSWu Zhangjin
3336f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3337f4cb5700SJohannes Berg	def_bool y
33383f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3339f4cb5700SJohannes Berg
33402116245eSRalf Baechlesource "kernel/power/Kconfig"
3341952fa954SRodolfo Giometti
33421da177e4SLinus Torvaldsendmenu
33431da177e4SLinus Torvalds
33447a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
33457a998935SViresh Kumar	bool
33467a998935SViresh Kumar
33477a998935SViresh Kumarmenu "CPU Power Management"
3348c095ebafSPaul Burton
3349c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
33507a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
33517a998935SViresh Kumarendif
33529726b43aSWu Zhangjin
3353c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3354c095ebafSPaul Burton
3355c095ebafSPaul Burtonendmenu
3356c095ebafSPaul Burton
335798cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
335898cdee0eSRalf Baechle
33592235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3360e91946d6SNathan Chancellor
3361e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig"
3362