xref: /linux/arch/mips/Kconfig (revision 981aa1d366bf46bdc1c9259a5ab818a8d522724e)
1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0
21da177e4SLinus Torvaldsconfig MIPS
31da177e4SLinus Torvalds	bool
41da177e4SLinus Torvalds	default y
5942fa985SYury Norov	select ARCH_32BIT_OFF_T if !64BIT
6ea6a3737SPaul Burton	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
734c01e41SAlexander Lobakin	select ARCH_HAS_FORTIFY_SOURCE
834c01e41SAlexander Lobakin	select ARCH_HAS_KCOV
934c01e41SAlexander Lobakin	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
1012597988SMatt Redfearn	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
111e35918aSHassan Naveed	select ARCH_HAS_UBSAN_SANITIZE_ALL
1212597988SMatt Redfearn	select ARCH_SUPPORTS_UPROBES
131ee3630aSRalf Baechle	select ARCH_USE_BUILTIN_BSWAP
1412597988SMatt Redfearn	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
1525da4e9dSPaul Burton	select ARCH_USE_QUEUED_RWLOCKS
160b17c967SPaul Burton	select ARCH_USE_QUEUED_SPINLOCKS
179035bd29SAlexandre Ghiti	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
1812597988SMatt Redfearn	select ARCH_WANT_IPC_PARSE_VERSION
1910916706SShile Zhang	select BUILDTIME_TABLE_SORT
2012597988SMatt Redfearn	select CLONE_BACKWARDS
2157eeacedSPaul Burton	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
2212597988SMatt Redfearn	select CPU_PM if CPU_IDLE
2312597988SMatt Redfearn	select GENERIC_ATOMIC64 if !64BIT
2412597988SMatt Redfearn	select GENERIC_CLOCKEVENTS
2512597988SMatt Redfearn	select GENERIC_CMOS_UPDATE
2612597988SMatt Redfearn	select GENERIC_CPU_AUTOPROBE
2724640f23SVincenzo Frascino	select GENERIC_GETTIMEOFDAY
28b962aeb0SPaul Burton	select GENERIC_IOMAP
2912597988SMatt Redfearn	select GENERIC_IRQ_PROBE
3012597988SMatt Redfearn	select GENERIC_IRQ_SHOW
316630a8e5SChristoph Hellwig	select GENERIC_ISA_DMA if EISA
32740129b3SAntony Pavlov	select GENERIC_LIB_ASHLDI3
33740129b3SAntony Pavlov	select GENERIC_LIB_ASHRDI3
34740129b3SAntony Pavlov	select GENERIC_LIB_CMPDI2
35740129b3SAntony Pavlov	select GENERIC_LIB_LSHRDI3
36740129b3SAntony Pavlov	select GENERIC_LIB_UCMPDI2
3712597988SMatt Redfearn	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
3812597988SMatt Redfearn	select GENERIC_SMP_IDLE_THREAD
3912597988SMatt Redfearn	select GENERIC_TIME_VSYSCALL
40446f062bSChristoph Hellwig	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
4112597988SMatt Redfearn	select HANDLE_DOMAIN_IRQ
42906d441fSPaul Burton	select HAVE_ARCH_COMPILER_H
4312597988SMatt Redfearn	select HAVE_ARCH_JUMP_LABEL
4488547001SJason Wessel	select HAVE_ARCH_KGDB
45109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_BITS if MMU
46109c32ffSMatt Redfearn	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
47490b004fSMarkos Chandras	select HAVE_ARCH_SECCOMP_FILTER
48c0ff3c53SRalf Baechle	select HAVE_ARCH_TRACEHOOK
4945e03e62SDaniel Silsby	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
502ff2b7ecSMasahiro Yamada	select HAVE_ASM_MODVERSIONS
5136366e36SPaul Burton	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
5212597988SMatt Redfearn	select HAVE_CONTEXT_TRACKING
53490f561bSFrederic Weisbecker	select HAVE_TIF_NOHZ
5464575f91SWu Zhangjin	select HAVE_C_RECORDMCOUNT
5512597988SMatt Redfearn	select HAVE_DEBUG_KMEMLEAK
5612597988SMatt Redfearn	select HAVE_DEBUG_STACKOVERFLOW
5712597988SMatt Redfearn	select HAVE_DMA_CONTIGUOUS
5812597988SMatt Redfearn	select HAVE_DYNAMIC_FTRACE
5934c01e41SAlexander Lobakin	select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
6012597988SMatt Redfearn	select HAVE_EXIT_THREAD
6167a929e0SChristoph Hellwig	select HAVE_FAST_GUP
6212597988SMatt Redfearn	select HAVE_FTRACE_MCOUNT_RECORD
6329c5d346SWu Zhangjin	select HAVE_FUNCTION_GRAPH_TRACER
6412597988SMatt Redfearn	select HAVE_FUNCTION_TRACER
6534c01e41SAlexander Lobakin	select HAVE_GCC_PLUGINS
6634c01e41SAlexander Lobakin	select HAVE_GENERIC_VDSO
6712597988SMatt Redfearn	select HAVE_IDE
68b3a428b4SHassan Naveed	select HAVE_IOREMAP_PROT
6912597988SMatt Redfearn	select HAVE_IRQ_EXIT_ON_IRQ_STACK
7012597988SMatt Redfearn	select HAVE_IRQ_TIME_ACCOUNTING
71c1bf207dSDavid Daney	select HAVE_KPROBES
72c1bf207dSDavid Daney	select HAVE_KRETPROBES
73c0436b50SPaul Burton	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
74786d35d4SDavid Howells	select HAVE_MOD_ARCH_SPECIFIC
7542a0bb3fSPetr Mladek	select HAVE_NMI
7612597988SMatt Redfearn	select HAVE_OPROFILE
7712597988SMatt Redfearn	select HAVE_PERF_EVENTS
7808bccf43SMarcin Nowakowski	select HAVE_REGS_AND_STACK_ACCESS_API
799ea141adSPaul Burton	select HAVE_RSEQ
8016c0f03fSHassan Naveed	select HAVE_SPARSE_SYSCALL_NR
81d148eac0SMasahiro Yamada	select HAVE_STACKPROTECTOR
8212597988SMatt Redfearn	select HAVE_SYSCALL_TRACEPOINTS
83a3f14310SBen Hutchings	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
8412597988SMatt Redfearn	select IRQ_FORCED_THREADING
856630a8e5SChristoph Hellwig	select ISA if EISA
8612597988SMatt Redfearn	select MODULES_USE_ELF_REL if MODULES
8734c01e41SAlexander Lobakin	select MODULES_USE_ELF_RELA if MODULES && 64BIT
8812597988SMatt Redfearn	select PERF_USE_VMALLOC
89*981aa1d3SThomas Gleixner	select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
9005a0a344SArnd Bergmann	select RTC_LIB
9112597988SMatt Redfearn	select SYSCTL_EXCEPTION_TRACE
9212597988SMatt Redfearn	select VIRT_TO_BUS
931da177e4SLinus Torvalds
94d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR
95d3991572SChristoph Hellwig	bool
96d3991572SChristoph Hellwig
971da177e4SLinus Torvaldsmenu "Machine selection"
981da177e4SLinus Torvalds
995e83d430SRalf Baechlechoice
1005e83d430SRalf Baechle	prompt "System type"
101d41e6858SMatt Redfearn	default MIPS_GENERIC
1021da177e4SLinus Torvalds
103eed0eabdSPaul Burtonconfig MIPS_GENERIC
104eed0eabdSPaul Burton	bool "Generic board-agnostic MIPS kernel"
105eed0eabdSPaul Burton	select BOOT_RAW
106eed0eabdSPaul Burton	select BUILTIN_DTB
107eed0eabdSPaul Burton	select CEVT_R4K
108eed0eabdSPaul Burton	select CLKSRC_MIPS_GIC
109eed0eabdSPaul Burton	select COMMON_CLK
110eed0eabdSPaul Burton	select CPU_MIPSR2_IRQ_EI
11134c01e41SAlexander Lobakin	select CPU_MIPSR2_IRQ_VI
112eed0eabdSPaul Burton	select CSRC_R4K
113eed0eabdSPaul Burton	select DMA_PERDEV_COHERENT
114eb01d42aSChristoph Hellwig	select HAVE_PCI
115eed0eabdSPaul Burton	select IRQ_MIPS_CPU
1160211d49eSPaul Burton	select MIPS_AUTO_PFN_OFFSET
117eed0eabdSPaul Burton	select MIPS_CPU_SCACHE
118eed0eabdSPaul Burton	select MIPS_GIC
119eed0eabdSPaul Burton	select MIPS_L1_CACHE_SHIFT_7
120eed0eabdSPaul Burton	select NO_EXCEPT_FILL
121eed0eabdSPaul Burton	select PCI_DRIVERS_GENERIC
122eed0eabdSPaul Burton	select SMP_UP if SMP
123a3078e59SMatt Redfearn	select SWAP_IO_SPACE
124eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R1
125eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R2
126eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS32_R6
127eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R1
128eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R2
129eed0eabdSPaul Burton	select SYS_HAS_CPU_MIPS64_R6
130eed0eabdSPaul Burton	select SYS_SUPPORTS_32BIT_KERNEL
131eed0eabdSPaul Burton	select SYS_SUPPORTS_64BIT_KERNEL
132eed0eabdSPaul Burton	select SYS_SUPPORTS_BIG_ENDIAN
133eed0eabdSPaul Burton	select SYS_SUPPORTS_HIGHMEM
134eed0eabdSPaul Burton	select SYS_SUPPORTS_LITTLE_ENDIAN
135eed0eabdSPaul Burton	select SYS_SUPPORTS_MICROMIPS
136eed0eabdSPaul Burton	select SYS_SUPPORTS_MIPS16
13734c01e41SAlexander Lobakin	select SYS_SUPPORTS_MIPS_CPS
138eed0eabdSPaul Burton	select SYS_SUPPORTS_MULTITHREADING
139eed0eabdSPaul Burton	select SYS_SUPPORTS_RELOCATABLE
140eed0eabdSPaul Burton	select SYS_SUPPORTS_SMARTMIPS
14134c01e41SAlexander Lobakin	select UHI_BOOT
1422e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1432e6522c5SCorentin Labbe	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1442e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1452e6522c5SCorentin Labbe	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1462e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
1472e6522c5SCorentin Labbe	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
148eed0eabdSPaul Burton	select USE_OF
149eed0eabdSPaul Burton	help
150eed0eabdSPaul Burton	  Select this to build a kernel which aims to support multiple boards,
151eed0eabdSPaul Burton	  generally using a flattened device tree passed from the bootloader
152eed0eabdSPaul Burton	  using the boot protocol defined in the UHI (Unified Hosting
153eed0eabdSPaul Burton	  Interface) specification.
154eed0eabdSPaul Burton
15542a4f17dSManuel Laussconfig MIPS_ALCHEMY
156c3543e25SYoichi Yuasa	bool "Alchemy processor based machines"
157d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
158f772cdb2SRalf Baechle	select CEVT_R4K
159d7ea335cSSteven J. Hill	select CSRC_R4K
16067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
16188e9a93cSManuel Lauss	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
162d3991572SChristoph Hellwig	select MIPS_FIXUP_BIGPHYS_ADDR if PCI
16342a4f17dSManuel Lauss	select SYS_HAS_CPU_MIPS32_R1
16442a4f17dSManuel Lauss	select SYS_SUPPORTS_32BIT_KERNEL
16542a4f17dSManuel Lauss	select SYS_SUPPORTS_APM_EMULATION
166d30a2b47SLinus Walleij	select GPIOLIB
1671b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
16847440229SManuel Lauss	select COMMON_CLK
1691da177e4SLinus Torvalds
1707ca5dc14SFlorian Fainelliconfig AR7
1717ca5dc14SFlorian Fainelli	bool "Texas Instruments AR7"
1727ca5dc14SFlorian Fainelli	select BOOT_ELF32
1737ca5dc14SFlorian Fainelli	select DMA_NONCOHERENT
1747ca5dc14SFlorian Fainelli	select CEVT_R4K
1757ca5dc14SFlorian Fainelli	select CSRC_R4K
17667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1777ca5dc14SFlorian Fainelli	select NO_EXCEPT_FILL
1787ca5dc14SFlorian Fainelli	select SWAP_IO_SPACE
1797ca5dc14SFlorian Fainelli	select SYS_HAS_CPU_MIPS32_R1
1807ca5dc14SFlorian Fainelli	select SYS_HAS_EARLY_PRINTK
1817ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_32BIT_KERNEL
1827ca5dc14SFlorian Fainelli	select SYS_SUPPORTS_LITTLE_ENDIAN
183377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1841b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT_UART16550
185d30a2b47SLinus Walleij	select GPIOLIB
1867ca5dc14SFlorian Fainelli	select VLYNQ
187bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
1887ca5dc14SFlorian Fainelli	help
1897ca5dc14SFlorian Fainelli	  Support for the Texas Instruments AR7 System-on-a-Chip
1907ca5dc14SFlorian Fainelli	  family: TNETD7100, 7200 and 7300.
1917ca5dc14SFlorian Fainelli
19243cc739fSSergey Ryazanovconfig ATH25
19343cc739fSSergey Ryazanov	bool "Atheros AR231x/AR531x SoC support"
19443cc739fSSergey Ryazanov	select CEVT_R4K
19543cc739fSSergey Ryazanov	select CSRC_R4K
19643cc739fSSergey Ryazanov	select DMA_NONCOHERENT
19767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1981753e74eSSergey Ryazanov	select IRQ_DOMAIN
19943cc739fSSergey Ryazanov	select SYS_HAS_CPU_MIPS32_R1
20043cc739fSSergey Ryazanov	select SYS_SUPPORTS_BIG_ENDIAN
20143cc739fSSergey Ryazanov	select SYS_SUPPORTS_32BIT_KERNEL
2028aaa7278SSergey Ryazanov	select SYS_HAS_EARLY_PRINTK
20343cc739fSSergey Ryazanov	help
20443cc739fSSergey Ryazanov	  Support for Atheros AR231x and Atheros AR531x based boards
20543cc739fSSergey Ryazanov
206d4a67d9dSGabor Juhosconfig ATH79
207d4a67d9dSGabor Juhos	bool "Atheros AR71XX/AR724X/AR913X based boards"
208ff591a91SAlban Bedel	select ARCH_HAS_RESET_CONTROLLER
209d4a67d9dSGabor Juhos	select BOOT_RAW
210d4a67d9dSGabor Juhos	select CEVT_R4K
211d4a67d9dSGabor Juhos	select CSRC_R4K
212d4a67d9dSGabor Juhos	select DMA_NONCOHERENT
213d30a2b47SLinus Walleij	select GPIOLIB
214a08227a2SJohn Crispin	select PINCTRL
215411520afSAlban Bedel	select COMMON_CLK
21667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
217d4a67d9dSGabor Juhos	select SYS_HAS_CPU_MIPS32_R2
218d4a67d9dSGabor Juhos	select SYS_HAS_EARLY_PRINTK
219d4a67d9dSGabor Juhos	select SYS_SUPPORTS_32BIT_KERNEL
220d4a67d9dSGabor Juhos	select SYS_SUPPORTS_BIG_ENDIAN
221377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
222b3f0a250SAlban Bedel	select SYS_SUPPORTS_ZBOOT_UART_PROM
22303c8c407SAlban Bedel	select USE_OF
22453d473fcSAlban Bedel	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
225d4a67d9dSGabor Juhos	help
226d4a67d9dSGabor Juhos	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
227d4a67d9dSGabor Juhos
2285f2d4459SKevin Cernekeeconfig BMIPS_GENERIC
2295f2d4459SKevin Cernekee	bool "Broadcom Generic BMIPS kernel"
230d59098a0SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
231d59098a0SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
232d666cd02SKevin Cernekee	select BOOT_RAW
233d666cd02SKevin Cernekee	select NO_EXCEPT_FILL
234d666cd02SKevin Cernekee	select USE_OF
235d666cd02SKevin Cernekee	select CEVT_R4K
236d666cd02SKevin Cernekee	select CSRC_R4K
237d666cd02SKevin Cernekee	select SYNC_R4K
238d666cd02SKevin Cernekee	select COMMON_CLK
239c7c42ec2SSimon Arlott	select BCM6345_L1_IRQ
24060b858f2SKevin Cernekee	select BCM7038_L1_IRQ
24160b858f2SKevin Cernekee	select BCM7120_L2_IRQ
24260b858f2SKevin Cernekee	select BRCMSTB_L2_IRQ
24367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
24460b858f2SKevin Cernekee	select DMA_NONCOHERENT
245d666cd02SKevin Cernekee	select SYS_SUPPORTS_32BIT_KERNEL
24660b858f2SKevin Cernekee	select SYS_SUPPORTS_LITTLE_ENDIAN
247d666cd02SKevin Cernekee	select SYS_SUPPORTS_BIG_ENDIAN
248d666cd02SKevin Cernekee	select SYS_SUPPORTS_HIGHMEM
24960b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS32_3300
25060b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4350
25160b858f2SKevin Cernekee	select SYS_HAS_CPU_BMIPS4380
252d666cd02SKevin Cernekee	select SYS_HAS_CPU_BMIPS5000
253d666cd02SKevin Cernekee	select SWAP_IO_SPACE
25460b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
25560b858f2SKevin Cernekee	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
25660b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
25760b858f2SKevin Cernekee	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
2584dc4704cSJustin Chen	select HARDIRQS_SW_RESEND
259d666cd02SKevin Cernekee	help
2605f2d4459SKevin Cernekee	  Build a generic DT-based kernel image that boots on select
2615f2d4459SKevin Cernekee	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
2625f2d4459SKevin Cernekee	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
2635f2d4459SKevin Cernekee	  must be set appropriately for your board.
264d666cd02SKevin Cernekee
2651c0c13ebSAurelien Jarnoconfig BCM47XX
266c619366eSFlorian Fainelli	bool "Broadcom BCM47XX based boards"
267fe08f8c2SHauke Mehrtens	select BOOT_RAW
26842f77542SRalf Baechle	select CEVT_R4K
269940f6b48SRalf Baechle	select CSRC_R4K
2701c0c13ebSAurelien Jarno	select DMA_NONCOHERENT
271eb01d42aSChristoph Hellwig	select HAVE_PCI
27267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
273314878d2SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R1
274dd54deddSHauke Mehrtens	select NO_EXCEPT_FILL
2751c0c13ebSAurelien Jarno	select SYS_SUPPORTS_32BIT_KERNEL
2761c0c13ebSAurelien Jarno	select SYS_SUPPORTS_LITTLE_ENDIAN
277377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
2786507831fSAaro Koskinen	select SYS_SUPPORTS_ZBOOT
27925e5fb97SAurelien Jarno	select SYS_HAS_EARLY_PRINTK
280e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
281c949c0bcSRafał Miłecki	select GPIOLIB
282c949c0bcSRafał Miłecki	select LEDS_GPIO_REGISTER
283f6e734a8SRafał Miłecki	select BCM47XX_NVRAM
2842ab71a02SRafał Miłecki	select BCM47XX_SPROM
285dfe00495SMatt Redfearn	select BCM47XX_SSB if !BCM47XX_BCMA
2861c0c13ebSAurelien Jarno	help
2871c0c13ebSAurelien Jarno	  Support for BCM47XX based boards
2881c0c13ebSAurelien Jarno
289e7300d04SMaxime Bizonconfig BCM63XX
290e7300d04SMaxime Bizon	bool "Broadcom BCM63XX based boards"
291ae8de61cSFlorian Fainelli	select BOOT_RAW
292e7300d04SMaxime Bizon	select CEVT_R4K
293e7300d04SMaxime Bizon	select CSRC_R4K
294fc264022SJonas Gorski	select SYNC_R4K
295e7300d04SMaxime Bizon	select DMA_NONCOHERENT
29667e38cf2SRalf Baechle	select IRQ_MIPS_CPU
297e7300d04SMaxime Bizon	select SYS_SUPPORTS_32BIT_KERNEL
298e7300d04SMaxime Bizon	select SYS_SUPPORTS_BIG_ENDIAN
299e7300d04SMaxime Bizon	select SYS_HAS_EARLY_PRINTK
300e7300d04SMaxime Bizon	select SWAP_IO_SPACE
301d30a2b47SLinus Walleij	select GPIOLIB
302af2418beSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
303c5af3c2dSJonas Gorski	select CLKDEV_LOOKUP
304bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
305e7300d04SMaxime Bizon	help
306e7300d04SMaxime Bizon	  Support for BCM63XX based boards
307e7300d04SMaxime Bizon
3081da177e4SLinus Torvaldsconfig MIPS_COBALT
3093fa986faSMartin Michlmayr	bool "Cobalt Server"
31042f77542SRalf Baechle	select CEVT_R4K
311940f6b48SRalf Baechle	select CSRC_R4K
3121097c6acSYoichi Yuasa	select CEVT_GT641XX
3131da177e4SLinus Torvalds	select DMA_NONCOHERENT
314eb01d42aSChristoph Hellwig	select FORCE_PCI
315d865bea4SRalf Baechle	select I8253
3161da177e4SLinus Torvalds	select I8259
31767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
318d5ab1a69SYoichi Yuasa	select IRQ_GT641XX
319252161ecSYoichi Yuasa	select PCI_GT64XXX_PCI0
3207cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
3210a22e0d4SYoichi Yuasa	select SYS_HAS_EARLY_PRINTK
322ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3230e8774b6SFlorian Fainelli	select SYS_SUPPORTS_64BIT_KERNEL
3245e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
325e6086557SRalf Baechle	select USE_GENERIC_EARLY_PRINTK_8250
3261da177e4SLinus Torvalds
3271da177e4SLinus Torvaldsconfig MACH_DECSTATION
3283fa986faSMartin Michlmayr	bool "DECstations"
3291da177e4SLinus Torvalds	select BOOT_ELF32
3306457d9fcSYoichi Yuasa	select CEVT_DS1287
33181d10badSMaciej W. Rozycki	select CEVT_R4K if CPU_R4X00
3324247417dSYoichi Yuasa	select CSRC_IOASIC
33381d10badSMaciej W. Rozycki	select CSRC_R4K if CPU_R4X00
33420d60d99SMaciej W. Rozycki	select CPU_DADDI_WORKAROUNDS if 64BIT
33520d60d99SMaciej W. Rozycki	select CPU_R4000_WORKAROUNDS if 64BIT
33620d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS if 64BIT
3371da177e4SLinus Torvalds	select DMA_NONCOHERENT
338ce816fa8SUwe Kleine-König	select NO_IOPORT_MAP
33967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
3407cf8053bSRalf Baechle	select SYS_HAS_CPU_R3000
3417cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
342ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
3437d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3445e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
3451723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_128HZ
3461723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_256HZ
3471723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_1024HZ
348930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
3495e83d430SRalf Baechle	help
3501da177e4SLinus Torvalds	  This enables support for DEC's MIPS based workstations.  For details
3511da177e4SLinus Torvalds	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
3521da177e4SLinus Torvalds	  DECstation porting pages on <http://decstation.unix-ag.org/>.
3531da177e4SLinus Torvalds
3541da177e4SLinus Torvalds	  If you have one of the following DECstation Models you definitely
3551da177e4SLinus Torvalds	  want to choose R4xx0 for the CPU Type:
3561da177e4SLinus Torvalds
3571da177e4SLinus Torvalds		DECstation 5000/50
3581da177e4SLinus Torvalds		DECstation 5000/150
3591da177e4SLinus Torvalds		DECstation 5000/260
3601da177e4SLinus Torvalds		DECsystem 5900/260
3611da177e4SLinus Torvalds
3621da177e4SLinus Torvalds	  otherwise choose R3000.
3631da177e4SLinus Torvalds
3645e83d430SRalf Baechleconfig MACH_JAZZ
3653fa986faSMartin Michlmayr	bool "Jazz family of machines"
36639b2d756SThomas Bogendoerfer	select ARC_MEMORY
36739b2d756SThomas Bogendoerfer	select ARC_PROMLIB
368a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
3697a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
3702f9237d4SChristoph Hellwig	select DMA_OPS
3710e2794b0SRalf Baechle	select FW_ARC
3720e2794b0SRalf Baechle	select FW_ARC32
3735e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
37442f77542SRalf Baechle	select CEVT_R4K
375940f6b48SRalf Baechle	select CSRC_R4K
376e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
3775e83d430SRalf Baechle	select GENERIC_ISA_DMA
3788a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
37967e38cf2SRalf Baechle	select IRQ_MIPS_CPU
380d865bea4SRalf Baechle	select I8253
3815e83d430SRalf Baechle	select I8259
3825e83d430SRalf Baechle	select ISA
3837cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
3845e83d430SRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
3857d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
3861723b4a3SAtsushi Nemoto	select SYS_SUPPORTS_100HZ
3871da177e4SLinus Torvalds	help
3885e83d430SRalf Baechle	  This a family of machines based on the MIPS R4030 chipset which was
3895e83d430SRalf Baechle	  used by several vendors to build RISC/os and Windows NT workstations.
390692105b8SMatt LaPlante	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
3915e83d430SRalf Baechle	  Olivetti M700-10 workstations.
3925e83d430SRalf Baechle
393de361e8bSPaul Burtonconfig MACH_INGENIC
394de361e8bSPaul Burton	bool "Ingenic SoC based machines"
3955ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_32BIT_KERNEL
3965ebabe59SLars-Peter Clausen	select SYS_SUPPORTS_LITTLE_ENDIAN
397f9c9affcSLluís Batlle i Rossell	select SYS_SUPPORTS_ZBOOT_UART16550
398b35d2653SDaniel Silsby	select CPU_SUPPORTS_HUGEPAGES
3995ebabe59SLars-Peter Clausen	select DMA_NONCOHERENT
40067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
40137b4c3caSPaul Cercueil	select PINCTRL
402d30a2b47SLinus Walleij	select GPIOLIB
403ff1930c6SPaul Burton	select COMMON_CLK
40483bc7692SLars-Peter Clausen	select GENERIC_IRQ_CHIP
40515205fc0SPaul Cercueil	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
406ffb1843dSPaul Burton	select USE_OF
4075ebabe59SLars-Peter Clausen
408171bb2f1SJohn Crispinconfig LANTIQ
409171bb2f1SJohn Crispin	bool "Lantiq based platforms"
410171bb2f1SJohn Crispin	select DMA_NONCOHERENT
41167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
412171bb2f1SJohn Crispin	select CEVT_R4K
413171bb2f1SJohn Crispin	select CSRC_R4K
414171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
415171bb2f1SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
416171bb2f1SJohn Crispin	select SYS_SUPPORTS_BIG_ENDIAN
417171bb2f1SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
418377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
419171bb2f1SJohn Crispin	select SYS_SUPPORTS_MULTITHREADING
420f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
421171bb2f1SJohn Crispin	select SYS_HAS_EARLY_PRINTK
422d30a2b47SLinus Walleij	select GPIOLIB
423171bb2f1SJohn Crispin	select SWAP_IO_SPACE
424171bb2f1SJohn Crispin	select BOOT_RAW
425287e3f3fSJohn Crispin	select CLKDEV_LOOKUP
426bbd7ffdbSStephen Boyd	select HAVE_LEGACY_CLK
427a0392222SJohn Crispin	select USE_OF
4283f8c50c9SJohn Crispin	select PINCTRL
4293f8c50c9SJohn Crispin	select PINCTRL_LANTIQ
430c530781cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
431c530781cSJohn Crispin	select RESET_CONTROLLER
432171bb2f1SJohn Crispin
43330ad29bbSHuacai Chenconfig MACH_LOONGSON32
434caed1d1bSHuacai Chen	bool "Loongson 32-bit family of machines"
435c7e8c668SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
436ade299d8SYoichi Yuasa	help
43730ad29bbSHuacai Chen	  This enables support for the Loongson-1 family of machines.
43885749d24SWu Zhangjin
43930ad29bbSHuacai Chen	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
44030ad29bbSHuacai Chen	  the Institute of Computing Technology (ICT), Chinese Academy of
44130ad29bbSHuacai Chen	  Sciences (CAS).
442ade299d8SYoichi Yuasa
44371e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF
44471e2f4ddSJiaxun Yang	bool "Loongson-2E/F family of machines"
445ca585cf9SKelvin Cheung	select SYS_SUPPORTS_ZBOOT
446ca585cf9SKelvin Cheung	help
44771e2f4ddSJiaxun Yang	  This enables the support of early Loongson-2E/F family of machines.
448ca585cf9SKelvin Cheung
44971e2f4ddSJiaxun Yangconfig MACH_LOONGSON64
450caed1d1bSHuacai Chen	bool "Loongson 64-bit family of machines"
4516fbde6b4SJiaxun Yang	select ARCH_SPARSEMEM_ENABLE
4526fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_PARPORT
4536fbde6b4SJiaxun Yang	select ARCH_MIGHT_HAVE_PC_SERIO
4546fbde6b4SJiaxun Yang	select GENERIC_ISA_DMA_SUPPORT_BROKEN
4556fbde6b4SJiaxun Yang	select BOOT_ELF32
4566fbde6b4SJiaxun Yang	select BOARD_SCACHE
4576fbde6b4SJiaxun Yang	select CSRC_R4K
4586fbde6b4SJiaxun Yang	select CEVT_R4K
4596fbde6b4SJiaxun Yang	select CPU_HAS_WB
4606fbde6b4SJiaxun Yang	select FORCE_PCI
4616fbde6b4SJiaxun Yang	select ISA
4626fbde6b4SJiaxun Yang	select I8259
4636fbde6b4SJiaxun Yang	select IRQ_MIPS_CPU
4647d6d2837SJiaxun Yang	select NO_EXCEPT_FILL
4655125bfeeSTiezhu Yang	select NR_CPUS_DEFAULT_64
4666fbde6b4SJiaxun Yang	select USE_GENERIC_EARLY_PRINTK_8250
4676423e59aSJiaxun Yang	select PCI_DRIVERS_GENERIC
4686fbde6b4SJiaxun Yang	select SYS_HAS_CPU_LOONGSON64
4696fbde6b4SJiaxun Yang	select SYS_HAS_EARLY_PRINTK
4706fbde6b4SJiaxun Yang	select SYS_SUPPORTS_SMP
4716fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HOTPLUG_CPU
4726fbde6b4SJiaxun Yang	select SYS_SUPPORTS_NUMA
4736fbde6b4SJiaxun Yang	select SYS_SUPPORTS_64BIT_KERNEL
4746fbde6b4SJiaxun Yang	select SYS_SUPPORTS_HIGHMEM
4756fbde6b4SJiaxun Yang	select SYS_SUPPORTS_LITTLE_ENDIAN
47671e2f4ddSJiaxun Yang	select SYS_SUPPORTS_ZBOOT
4776fbde6b4SJiaxun Yang	select ZONE_DMA32
4786fbde6b4SJiaxun Yang	select NUMA
47987fcfa7bSJiaxun Yang	select COMMON_CLK
48087fcfa7bSJiaxun Yang	select USE_OF
48187fcfa7bSJiaxun Yang	select BUILTIN_DTB
48239c1485cSHuacai Chen	select PCI_HOST_GENERIC
48371e2f4ddSJiaxun Yang	help
484caed1d1bSHuacai Chen	  This enables the support of Loongson-2/3 family of machines.
485caed1d1bSHuacai Chen
486caed1d1bSHuacai Chen	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
487caed1d1bSHuacai Chen	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
488caed1d1bSHuacai Chen	  and Loongson-2F which will be removed), developed by the Institute
489caed1d1bSHuacai Chen	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
490ca585cf9SKelvin Cheung
4916a438309SAndrew Brestickerconfig MACH_PISTACHIO
4926a438309SAndrew Bresticker	bool "IMG Pistachio SoC based boards"
4936a438309SAndrew Bresticker	select BOOT_ELF32
4946a438309SAndrew Bresticker	select BOOT_RAW
4956a438309SAndrew Bresticker	select CEVT_R4K
4966a438309SAndrew Bresticker	select CLKSRC_MIPS_GIC
4976a438309SAndrew Bresticker	select COMMON_CLK
4986a438309SAndrew Bresticker	select CSRC_R4K
499645c7827SZubair Lutfullah Kakakhel	select DMA_NONCOHERENT
500d30a2b47SLinus Walleij	select GPIOLIB
50167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
5026a438309SAndrew Bresticker	select MFD_SYSCON
5036a438309SAndrew Bresticker	select MIPS_CPU_SCACHE
5046a438309SAndrew Bresticker	select MIPS_GIC
5056a438309SAndrew Bresticker	select PINCTRL
5066a438309SAndrew Bresticker	select REGULATOR
5076a438309SAndrew Bresticker	select SYS_HAS_CPU_MIPS32_R2
5086a438309SAndrew Bresticker	select SYS_SUPPORTS_32BIT_KERNEL
5096a438309SAndrew Bresticker	select SYS_SUPPORTS_LITTLE_ENDIAN
5106a438309SAndrew Bresticker	select SYS_SUPPORTS_MIPS_CPS
5116a438309SAndrew Bresticker	select SYS_SUPPORTS_MULTITHREADING
51241cc07beSMatt Redfearn	select SYS_SUPPORTS_RELOCATABLE
5136a438309SAndrew Bresticker	select SYS_SUPPORTS_ZBOOT
514018f62eeSEzequiel Garcia	select SYS_HAS_EARLY_PRINTK
515018f62eeSEzequiel Garcia	select USE_GENERIC_EARLY_PRINTK_8250
5166a438309SAndrew Bresticker	select USE_OF
5176a438309SAndrew Bresticker	help
5186a438309SAndrew Bresticker	  This enables support for the IMG Pistachio SoC platform.
5196a438309SAndrew Bresticker
5201da177e4SLinus Torvaldsconfig MIPS_MALTA
5213fa986faSMartin Michlmayr	bool "MIPS Malta board"
52261ed242dSRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
523a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
5247a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
5251da177e4SLinus Torvalds	select BOOT_ELF32
526fa71c960SRalf Baechle	select BOOT_RAW
527e8823d26SPaul Burton	select BUILTIN_DTB
52842f77542SRalf Baechle	select CEVT_R4K
529fa5635a2SAndrew Bresticker	select CLKSRC_MIPS_GIC
53042b002abSGuenter Roeck	select COMMON_CLK
53147bf2b03SMaksym Kokhan	select CSRC_R4K
532885014bcSFelix Fietkau	select DMA_MAYBE_COHERENT
5331da177e4SLinus Torvalds	select GENERIC_ISA_DMA
5348a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
535eb01d42aSChristoph Hellwig	select HAVE_PCI
536d865bea4SRalf Baechle	select I8253
5371da177e4SLinus Torvalds	select I8259
53847bf2b03SMaksym Kokhan	select IRQ_MIPS_CPU
5395e83d430SRalf Baechle	select MIPS_BONITO64
5409318c51aSChris Dearman	select MIPS_CPU_SCACHE
54147bf2b03SMaksym Kokhan	select MIPS_GIC
542a7ef1eadSKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
5435e83d430SRalf Baechle	select MIPS_MSC
54447bf2b03SMaksym Kokhan	select PCI_GT64XXX_PCI0
545ecafe3e9SPaul Burton	select SMP_UP if SMP
5461da177e4SLinus Torvalds	select SWAP_IO_SPACE
5477cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
5487cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS32_R2
549bfc3c5a6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R3_5
550c5b36783SSteven J. Hill	select SYS_HAS_CPU_MIPS32_R5
551575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS32_R6
5527cf8053bSRalf Baechle	select SYS_HAS_CPU_MIPS64_R1
5535d9fbed1SLeonid Yegoshin	select SYS_HAS_CPU_MIPS64_R2
554575509b6SMarkos Chandras	select SYS_HAS_CPU_MIPS64_R6
5557cf8053bSRalf Baechle	select SYS_HAS_CPU_NEVADA
5567cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
557ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
558ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
5595e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
560c5b36783SSteven J. Hill	select SYS_SUPPORTS_HIGHMEM
5615e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
562424ebcdfSMaciej W. Rozycki	select SYS_SUPPORTS_MICROMIPS
56347bf2b03SMaksym Kokhan	select SYS_SUPPORTS_MIPS16
5640365070fSTim Anderson	select SYS_SUPPORTS_MIPS_CMP
565e56b6aa6SPaul Burton	select SYS_SUPPORTS_MIPS_CPS
566f41ae0b2SRalf Baechle	select SYS_SUPPORTS_MULTITHREADING
56747bf2b03SMaksym Kokhan	select SYS_SUPPORTS_RELOCATABLE
5689693a853SFranck Bui-Huu	select SYS_SUPPORTS_SMARTMIPS
569f35764e7SJames Hogan	select SYS_SUPPORTS_VPE_LOADER
5701b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
571e8823d26SPaul Burton	select USE_OF
572abcc82b1SJames Hogan	select ZONE_DMA32 if 64BIT
5731da177e4SLinus Torvalds	help
574f638d197SMaciej W. Rozycki	  This enables support for the MIPS Technologies Malta evaluation
5751da177e4SLinus Torvalds	  board.
5761da177e4SLinus Torvalds
5772572f00dSJoshua Hendersonconfig MACH_PIC32
5782572f00dSJoshua Henderson	bool "Microchip PIC32 Family"
5792572f00dSJoshua Henderson	help
5802572f00dSJoshua Henderson	  This enables support for the Microchip PIC32 family of platforms.
5812572f00dSJoshua Henderson
5822572f00dSJoshua Henderson	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
5832572f00dSJoshua Henderson	  microcontrollers.
5842572f00dSJoshua Henderson
5855e83d430SRalf Baechleconfig MACH_VR41XX
58674142d65SYoichi Yuasa	bool "NEC VR4100 series based machines"
58742f77542SRalf Baechle	select CEVT_R4K
588940f6b48SRalf Baechle	select CSRC_R4K
5897cf8053bSRalf Baechle	select SYS_HAS_CPU_VR41XX
590377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
591d30a2b47SLinus Walleij	select GPIOLIB
5925e83d430SRalf Baechle
593edb6310aSDaniel Lairdconfig NXP_STB220
594edb6310aSDaniel Laird	bool "NXP STB220 board"
595edb6310aSDaniel Laird	select SOC_PNX833X
596edb6310aSDaniel Laird	help
597edb6310aSDaniel Laird	  Support for NXP Semiconductors STB220 Development Board.
598edb6310aSDaniel Laird
599edb6310aSDaniel Lairdconfig NXP_STB225
600edb6310aSDaniel Laird	bool "NXP 225 board"
601edb6310aSDaniel Laird	select SOC_PNX833X
602edb6310aSDaniel Laird	select SOC_PNX8335
603edb6310aSDaniel Laird	help
604edb6310aSDaniel Laird	  Support for NXP Semiconductors STB225 Development Board.
605edb6310aSDaniel Laird
606ae2b5bb6SJohn Crispinconfig RALINK
607ae2b5bb6SJohn Crispin	bool "Ralink based machines"
608ae2b5bb6SJohn Crispin	select CEVT_R4K
609ae2b5bb6SJohn Crispin	select CSRC_R4K
610ae2b5bb6SJohn Crispin	select BOOT_RAW
611ae2b5bb6SJohn Crispin	select DMA_NONCOHERENT
61267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
613ae2b5bb6SJohn Crispin	select USE_OF
614ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R1
615ae2b5bb6SJohn Crispin	select SYS_HAS_CPU_MIPS32_R2
616ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_32BIT_KERNEL
617ae2b5bb6SJohn Crispin	select SYS_SUPPORTS_LITTLE_ENDIAN
618377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
619ae2b5bb6SJohn Crispin	select SYS_HAS_EARLY_PRINTK
620ae2b5bb6SJohn Crispin	select CLKDEV_LOOKUP
6212a153f1cSJohn Crispin	select ARCH_HAS_RESET_CONTROLLER
6222a153f1cSJohn Crispin	select RESET_CONTROLLER
623ae2b5bb6SJohn Crispin
6241da177e4SLinus Torvaldsconfig SGI_IP22
6253fa986faSMartin Michlmayr	bool "SGI IP22 (Indy/Indigo2)"
626c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
62739b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6280e2794b0SRalf Baechle	select FW_ARC
6290e2794b0SRalf Baechle	select FW_ARC32
6307a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
6311da177e4SLinus Torvalds	select BOOT_ELF32
63242f77542SRalf Baechle	select CEVT_R4K
633940f6b48SRalf Baechle	select CSRC_R4K
634e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
6351da177e4SLinus Torvalds	select DMA_NONCOHERENT
6366630a8e5SChristoph Hellwig	select HAVE_EISA
637d865bea4SRalf Baechle	select I8253
63868de4803SThomas Bogendoerfer	select I8259
6391da177e4SLinus Torvalds	select IP22_CPU_SCACHE
64067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
641aa414dffSRalf Baechle	select GENERIC_ISA_DMA_SUPPORT_BROKEN
642e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
643e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
64436e5c21dSThomas Bogendoerfer	select SGI_HAS_HAL2
645e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
646e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
647e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
6481da177e4SLinus Torvalds	select SWAP_IO_SPACE
6497cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
6507cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
651c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
652ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
653ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6545e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
655930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6561da177e4SLinus Torvalds	help
6571da177e4SLinus Torvalds	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
6581da177e4SLinus Torvalds	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
6591da177e4SLinus Torvalds	  that runs on these, say Y here.
6601da177e4SLinus Torvalds
6611da177e4SLinus Torvaldsconfig SGI_IP27
6623fa986faSMartin Michlmayr	bool "SGI IP27 (Origin200/2000)"
66354aed4ddSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
664397dc00eSMike Rapoport	select ARCH_SPARSEMEM_ENABLE
6650e2794b0SRalf Baechle	select FW_ARC
6660e2794b0SRalf Baechle	select FW_ARC64
667e9422427SThomas Bogendoerfer	select ARC_CMDLINE_ONLY
6685e83d430SRalf Baechle	select BOOT_ELF64
669e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
67036a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
671eb01d42aSChristoph Hellwig	select HAVE_PCI
67269a07a41SThomas Bogendoerfer	select IRQ_MIPS_CPU
673e6308b6dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
674130e2fb7SRalf Baechle	select NR_CPUS_DEFAULT_64
675a57140e9SThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
676a57140e9SThomas Bogendoerfer	select PCI_XTALK_BRIDGE
6777cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000
678ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
6795e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
680d8cb4e11SRalf Baechle	select SYS_SUPPORTS_NUMA
6811a5c5de1SRalf Baechle	select SYS_SUPPORTS_SMP
682930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
6836c86a302SMike Rapoport	select NUMA
6841da177e4SLinus Torvalds	help
6851da177e4SLinus Torvalds	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
6861da177e4SLinus Torvalds	  workstations.  To compile a Linux kernel that runs on these, say Y
6871da177e4SLinus Torvalds	  here.
6881da177e4SLinus Torvalds
689e2defae5SThomas Bogendoerferconfig SGI_IP28
6907d60717eSKees Cook	bool "SGI IP28 (Indigo2 R10k)"
691c0de00b2SThomas Bogendoerfer	select ARC_MEMORY
69239b2d756SThomas Bogendoerfer	select ARC_PROMLIB
6930e2794b0SRalf Baechle	select FW_ARC
6940e2794b0SRalf Baechle	select FW_ARC64
6957a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
696e2defae5SThomas Bogendoerfer	select BOOT_ELF64
697e2defae5SThomas Bogendoerfer	select CEVT_R4K
698e2defae5SThomas Bogendoerfer	select CSRC_R4K
699e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION
700e2defae5SThomas Bogendoerfer	select DMA_NONCOHERENT
701e2defae5SThomas Bogendoerfer	select GENERIC_ISA_DMA_SUPPORT_BROKEN
70267e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7036630a8e5SChristoph Hellwig	select HAVE_EISA
704e2defae5SThomas Bogendoerfer	select I8253
705e2defae5SThomas Bogendoerfer	select I8259
706e2defae5SThomas Bogendoerfer	select SGI_HAS_I8042
707e2defae5SThomas Bogendoerfer	select SGI_HAS_INDYDOG
7085b438c44SThomas Bogendoerfer	select SGI_HAS_HAL2
709e2defae5SThomas Bogendoerfer	select SGI_HAS_SEEQ
710e2defae5SThomas Bogendoerfer	select SGI_HAS_WD93
711e2defae5SThomas Bogendoerfer	select SGI_HAS_ZILOG
712e2defae5SThomas Bogendoerfer	select SWAP_IO_SPACE
713e2defae5SThomas Bogendoerfer	select SYS_HAS_CPU_R10000
714c0de00b2SThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
715e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
716e2defae5SThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
717dc24d68dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
718e2defae5SThomas Bogendoerfer	help
719e2defae5SThomas Bogendoerfer	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
720e2defae5SThomas Bogendoerfer	  kernel that runs on these, say Y here.
721e2defae5SThomas Bogendoerfer
7227505576dSThomas Bogendoerferconfig SGI_IP30
7237505576dSThomas Bogendoerfer	bool "SGI IP30 (Octane/Octane2)"
7247505576dSThomas Bogendoerfer	select ARCH_HAS_PHYS_TO_DMA
7257505576dSThomas Bogendoerfer	select FW_ARC
7267505576dSThomas Bogendoerfer	select FW_ARC64
7277505576dSThomas Bogendoerfer	select BOOT_ELF64
7287505576dSThomas Bogendoerfer	select CEVT_R4K
7297505576dSThomas Bogendoerfer	select CSRC_R4K
7307505576dSThomas Bogendoerfer	select SYNC_R4K if SMP
7317505576dSThomas Bogendoerfer	select ZONE_DMA32
7327505576dSThomas Bogendoerfer	select HAVE_PCI
7337505576dSThomas Bogendoerfer	select IRQ_MIPS_CPU
7347505576dSThomas Bogendoerfer	select IRQ_DOMAIN_HIERARCHY
7357505576dSThomas Bogendoerfer	select NR_CPUS_DEFAULT_2
7367505576dSThomas Bogendoerfer	select PCI_DRIVERS_GENERIC
7377505576dSThomas Bogendoerfer	select PCI_XTALK_BRIDGE
7387505576dSThomas Bogendoerfer	select SYS_HAS_EARLY_PRINTK
7397505576dSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
7407505576dSThomas Bogendoerfer	select SYS_SUPPORTS_64BIT_KERNEL
7417505576dSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
7427505576dSThomas Bogendoerfer	select SYS_SUPPORTS_SMP
7437505576dSThomas Bogendoerfer	select MIPS_L1_CACHE_SHIFT_7
7447505576dSThomas Bogendoerfer	select ARC_MEMORY
7457505576dSThomas Bogendoerfer	help
7467505576dSThomas Bogendoerfer	  These are the SGI Octane and Octane2 graphics workstations.  To
7477505576dSThomas Bogendoerfer	  compile a Linux kernel that runs on these, say Y here.
7487505576dSThomas Bogendoerfer
7491da177e4SLinus Torvaldsconfig SGI_IP32
750cfd2afc0SRalf Baechle	bool "SGI IP32 (O2)"
75139b2d756SThomas Bogendoerfer	select ARC_MEMORY
75239b2d756SThomas Bogendoerfer	select ARC_PROMLIB
75303df8229SChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
7540e2794b0SRalf Baechle	select FW_ARC
7550e2794b0SRalf Baechle	select FW_ARC32
7561da177e4SLinus Torvalds	select BOOT_ELF32
75742f77542SRalf Baechle	select CEVT_R4K
758940f6b48SRalf Baechle	select CSRC_R4K
7591da177e4SLinus Torvalds	select DMA_NONCOHERENT
760eb01d42aSChristoph Hellwig	select HAVE_PCI
76167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
7621da177e4SLinus Torvalds	select R5000_CPU_SCACHE
7631da177e4SLinus Torvalds	select RM7000_CPU_SCACHE
7647cf8053bSRalf Baechle	select SYS_HAS_CPU_R5000
7657cf8053bSRalf Baechle	select SYS_HAS_CPU_R10000 if BROKEN
7667cf8053bSRalf Baechle	select SYS_HAS_CPU_RM7000
767dd2f18feSRalf Baechle	select SYS_HAS_CPU_NEVADA
768ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_64BIT_KERNEL
7695e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7701da177e4SLinus Torvalds	help
7711da177e4SLinus Torvalds	  If you want this kernel to run on SGI O2 workstation, say Y here.
7721da177e4SLinus Torvalds
773ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE
774ade299d8SYoichi Yuasa	bool "Sibyte BCM91120C-CRhine"
7755e83d430SRalf Baechle	select BOOT_ELF32
7765e83d430SRalf Baechle	select SIBYTE_BCM1120
7775e83d430SRalf Baechle	select SWAP_IO_SPACE
7787cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7795e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7805e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7815e83d430SRalf Baechle
782ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL
783ade299d8SYoichi Yuasa	bool "Sibyte BCM91120x-Carmel"
7845e83d430SRalf Baechle	select BOOT_ELF32
7855e83d430SRalf Baechle	select SIBYTE_BCM1120
7865e83d430SRalf Baechle	select SWAP_IO_SPACE
7877cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7885e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7895e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
7905e83d430SRalf Baechle
7915e83d430SRalf Baechleconfig SIBYTE_CRHONE
7923fa986faSMartin Michlmayr	bool "Sibyte BCM91125C-CRhone"
7935e83d430SRalf Baechle	select BOOT_ELF32
7945e83d430SRalf Baechle	select SIBYTE_BCM1125
7955e83d430SRalf Baechle	select SWAP_IO_SPACE
7967cf8053bSRalf Baechle	select SYS_HAS_CPU_SB1
7975e83d430SRalf Baechle	select SYS_SUPPORTS_BIG_ENDIAN
7985e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
7995e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8005e83d430SRalf Baechle
801ade299d8SYoichi Yuasaconfig SIBYTE_RHONE
802ade299d8SYoichi Yuasa	bool "Sibyte BCM91125E-Rhone"
803ade299d8SYoichi Yuasa	select BOOT_ELF32
804ade299d8SYoichi Yuasa	select SIBYTE_BCM1125H
805ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
806ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
807ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
808ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
809ade299d8SYoichi Yuasa
810ade299d8SYoichi Yuasaconfig SIBYTE_SWARM
811ade299d8SYoichi Yuasa	bool "Sibyte BCM91250A-SWARM"
812ade299d8SYoichi Yuasa	select BOOT_ELF32
813fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
814ade299d8SYoichi Yuasa	select SIBYTE_SB1250
815ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
816ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
817ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
818ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
819ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
820cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
821e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
822ade299d8SYoichi Yuasa
823ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR
824ade299d8SYoichi Yuasa	bool "Sibyte BCM91250C2-LittleSur"
825ade299d8SYoichi Yuasa	select BOOT_ELF32
826fcf3ca4cSSebastian Andrzej Siewior	select HAVE_PATA_PLATFORM
827ade299d8SYoichi Yuasa	select SIBYTE_SB1250
828ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
829ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
830ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
831ade299d8SYoichi Yuasa	select SYS_SUPPORTS_HIGHMEM
832ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
833756d6d83SMaciej W. Rozycki	select ZONE_DMA32 if 64BIT
834ade299d8SYoichi Yuasa
835ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA
836ade299d8SYoichi Yuasa	bool "Sibyte BCM91250E-Sentosa"
837ade299d8SYoichi Yuasa	select BOOT_ELF32
838ade299d8SYoichi Yuasa	select SIBYTE_SB1250
839ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
840ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
841ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
842ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
843e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
844ade299d8SYoichi Yuasa
845ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR
846ade299d8SYoichi Yuasa	bool "Sibyte BCM91480B-BigSur"
847ade299d8SYoichi Yuasa	select BOOT_ELF32
848ade299d8SYoichi Yuasa	select NR_CPUS_DEFAULT_4
849ade299d8SYoichi Yuasa	select SIBYTE_BCM1x80
850ade299d8SYoichi Yuasa	select SWAP_IO_SPACE
851ade299d8SYoichi Yuasa	select SYS_HAS_CPU_SB1
852ade299d8SYoichi Yuasa	select SYS_SUPPORTS_BIG_ENDIAN
853651194f8SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
854ade299d8SYoichi Yuasa	select SYS_SUPPORTS_LITTLE_ENDIAN
855cce335aeSRalf Baechle	select ZONE_DMA32 if 64BIT
856e4849affSMaciej W. Rozycki	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
857ade299d8SYoichi Yuasa
85814b36af4SThomas Bogendoerferconfig SNI_RM
85914b36af4SThomas Bogendoerfer	bool "SNI RM200/300/400"
86039b2d756SThomas Bogendoerfer	select ARC_MEMORY
86139b2d756SThomas Bogendoerfer	select ARC_PROMLIB
8620e2794b0SRalf Baechle	select FW_ARC if CPU_LITTLE_ENDIAN
8630e2794b0SRalf Baechle	select FW_ARC32 if CPU_LITTLE_ENDIAN
864aaa9fad3SPaul Bolle	select FW_SNIPROM if CPU_BIG_ENDIAN
8655e83d430SRalf Baechle	select ARCH_MAY_HAVE_PC_FDC
866a211a082SRalf Baechle	select ARCH_MIGHT_HAVE_PC_PARPORT
8677a407aa5SRalf Baechle	select ARCH_MIGHT_HAVE_PC_SERIO
8685e83d430SRalf Baechle	select BOOT_ELF32
86942f77542SRalf Baechle	select CEVT_R4K
870940f6b48SRalf Baechle	select CSRC_R4K
871e2defae5SThomas Bogendoerfer	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
8725e83d430SRalf Baechle	select DMA_NONCOHERENT
8735e83d430SRalf Baechle	select GENERIC_ISA_DMA
8746630a8e5SChristoph Hellwig	select HAVE_EISA
8758a118c38SRalf Baechle	select HAVE_PCSPKR_PLATFORM
876eb01d42aSChristoph Hellwig	select HAVE_PCI
87767e38cf2SRalf Baechle	select IRQ_MIPS_CPU
878d865bea4SRalf Baechle	select I8253
8795e83d430SRalf Baechle	select I8259
8805e83d430SRalf Baechle	select ISA
8814a0312fcSThomas Bogendoerfer	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
8827cf8053bSRalf Baechle	select SYS_HAS_CPU_R4X00
8834a0312fcSThomas Bogendoerfer	select SYS_HAS_CPU_R5000
884c066a32aSThomas Bogendoerfer	select SYS_HAS_CPU_R10000
8854a0312fcSThomas Bogendoerfer	select R5000_CPU_SCACHE
88636a88530SRalf Baechle	select SYS_HAS_EARLY_PRINTK
887ed5ba2fbSYoichi Yuasa	select SYS_SUPPORTS_32BIT_KERNEL
8887d60717eSKees Cook	select SYS_SUPPORTS_64BIT_KERNEL
8894a0312fcSThomas Bogendoerfer	select SYS_SUPPORTS_BIG_ENDIAN
8905e83d430SRalf Baechle	select SYS_SUPPORTS_HIGHMEM
8915e83d430SRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
8921da177e4SLinus Torvalds	help
89314b36af4SThomas Bogendoerfer	  The SNI RM200/300/400 are MIPS-based machines manufactured by
89414b36af4SThomas Bogendoerfer	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
8955e83d430SRalf Baechle	  Technology and now in turn merged with Fujitsu.  Say Y here to
8965e83d430SRalf Baechle	  support this machine type.
8971da177e4SLinus Torvalds
898edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX
899edcaf1a6SAtsushi Nemoto	bool "Toshiba TX39 series based machines"
9005e83d430SRalf Baechle
901edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX
902edcaf1a6SAtsushi Nemoto	bool "Toshiba TX49 series based machines"
90323fbee9dSRalf Baechle
90473b4390fSRalf Baechleconfig MIKROTIK_RB532
90573b4390fSRalf Baechle	bool "Mikrotik RB532 boards"
90673b4390fSRalf Baechle	select CEVT_R4K
90773b4390fSRalf Baechle	select CSRC_R4K
90873b4390fSRalf Baechle	select DMA_NONCOHERENT
909eb01d42aSChristoph Hellwig	select HAVE_PCI
91067e38cf2SRalf Baechle	select IRQ_MIPS_CPU
91173b4390fSRalf Baechle	select SYS_HAS_CPU_MIPS32_R1
91273b4390fSRalf Baechle	select SYS_SUPPORTS_32BIT_KERNEL
91373b4390fSRalf Baechle	select SYS_SUPPORTS_LITTLE_ENDIAN
91473b4390fSRalf Baechle	select SWAP_IO_SPACE
91573b4390fSRalf Baechle	select BOOT_RAW
916d30a2b47SLinus Walleij	select GPIOLIB
917930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_4
91873b4390fSRalf Baechle	help
91973b4390fSRalf Baechle	  Support the Mikrotik(tm) RouterBoard 532 series,
92073b4390fSRalf Baechle	  based on the IDT RC32434 SoC.
92173b4390fSRalf Baechle
9229ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC
9239ddebc46SDavid Daney	bool "Cavium Networks Octeon SoC based boards"
924a86c7f72SDavid Daney	select CEVT_R4K
925ea8c64acSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
9261753d50cSChristoph Hellwig	select HAVE_RAPIDIO
927d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
928a86c7f72SDavid Daney	select SYS_SUPPORTS_64BIT_KERNEL
929a86c7f72SDavid Daney	select SYS_SUPPORTS_BIG_ENDIAN
930f65aad41SRalf Baechle	select EDAC_SUPPORT
931b01aec9bSBorislav Petkov	select EDAC_ATOMIC_SCRUB
93273569d87SDavid Daney	select SYS_SUPPORTS_LITTLE_ENDIAN
93373569d87SDavid Daney	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
934a86c7f72SDavid Daney	select SYS_HAS_EARLY_PRINTK
9355e683389SDavid Daney	select SYS_HAS_CPU_CAVIUM_OCTEON
936eb01d42aSChristoph Hellwig	select HAVE_PCI
93778bdbbacSMasahiro Yamada	select HAVE_PLAT_DELAY
93878bdbbacSMasahiro Yamada	select HAVE_PLAT_FW_INIT_CMDLINE
93978bdbbacSMasahiro Yamada	select HAVE_PLAT_MEMCPY
940f00e001eSDavid Daney	select ZONE_DMA32
941465aaed0SDavid Daney	select HOLES_IN_ZONE
942d30a2b47SLinus Walleij	select GPIOLIB
9436e511163SDavid Daney	select USE_OF
9446e511163SDavid Daney	select ARCH_SPARSEMEM_ENABLE
9456e511163SDavid Daney	select SYS_SUPPORTS_SMP
9467820b84bSDavid Daney	select NR_CPUS_DEFAULT_64
9477820b84bSDavid Daney	select MIPS_NR_CPU_NR_MAP_1024
948e326479fSAndrew Bresticker	select BUILTIN_DTB
9498c1e6b14SDavid Daney	select MTD_COMPLEX_MAPPINGS
95009230cbcSChristoph Hellwig	select SWIOTLB
9513ff72be4SSteven J. Hill	select SYS_SUPPORTS_RELOCATABLE
952a86c7f72SDavid Daney	help
953a86c7f72SDavid Daney	  This option supports all of the Octeon reference boards from Cavium
954a86c7f72SDavid Daney	  Networks. It builds a kernel that dynamically determines the Octeon
955a86c7f72SDavid Daney	  CPU type and supports all known board reference implementations.
956a86c7f72SDavid Daney	  Some of the supported boards are:
957a86c7f72SDavid Daney		EBT3000
958a86c7f72SDavid Daney		EBH3000
959a86c7f72SDavid Daney		EBH3100
960a86c7f72SDavid Daney		Thunder
961a86c7f72SDavid Daney		Kodama
962a86c7f72SDavid Daney		Hikari
963a86c7f72SDavid Daney	  Say Y here for most Octeon reference boards.
964a86c7f72SDavid Daney
9657f058e85SJayachandran Cconfig NLM_XLR_BOARD
9667f058e85SJayachandran C	bool "Netlogic XLR/XLS based systems"
9677f058e85SJayachandran C	select BOOT_ELF32
9687f058e85SJayachandran C	select NLM_COMMON
9697f058e85SJayachandran C	select SYS_HAS_CPU_XLR
9707f058e85SJayachandran C	select SYS_SUPPORTS_SMP
971eb01d42aSChristoph Hellwig	select HAVE_PCI
9727f058e85SJayachandran C	select SWAP_IO_SPACE
9737f058e85SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9747f058e85SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
975d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
9767f058e85SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
9777f058e85SJayachandran C	select SYS_SUPPORTS_HIGHMEM
9787f058e85SJayachandran C	select NR_CPUS_DEFAULT_32
9797f058e85SJayachandran C	select CEVT_R4K
9807f058e85SJayachandran C	select CSRC_R4K
98167e38cf2SRalf Baechle	select IRQ_MIPS_CPU
982b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
9837f058e85SJayachandran C	select SYNC_R4K
9847f058e85SJayachandran C	select SYS_HAS_EARLY_PRINTK
9858f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
9868f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
9877f058e85SJayachandran C	help
9887f058e85SJayachandran C	  Support for systems based on Netlogic XLR and XLS processors.
9897f058e85SJayachandran C	  Say Y here if you have a XLR or XLS based board.
9907f058e85SJayachandran C
9911c773ea4SJayachandran Cconfig NLM_XLP_BOARD
9921c773ea4SJayachandran C	bool "Netlogic XLP based systems"
9931c773ea4SJayachandran C	select BOOT_ELF32
9941c773ea4SJayachandran C	select NLM_COMMON
9951c773ea4SJayachandran C	select SYS_HAS_CPU_XLP
9961c773ea4SJayachandran C	select SYS_SUPPORTS_SMP
997eb01d42aSChristoph Hellwig	select HAVE_PCI
9981c773ea4SJayachandran C	select SYS_SUPPORTS_32BIT_KERNEL
9991c773ea4SJayachandran C	select SYS_SUPPORTS_64BIT_KERNEL
1000d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1001d30a2b47SLinus Walleij	select GPIOLIB
10021c773ea4SJayachandran C	select SYS_SUPPORTS_BIG_ENDIAN
10031c773ea4SJayachandran C	select SYS_SUPPORTS_LITTLE_ENDIAN
10041c773ea4SJayachandran C	select SYS_SUPPORTS_HIGHMEM
10051c773ea4SJayachandran C	select NR_CPUS_DEFAULT_32
10061c773ea4SJayachandran C	select CEVT_R4K
10071c773ea4SJayachandran C	select CSRC_R4K
100867e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1009b97215fdSJayachandran C	select ZONE_DMA32 if 64BIT
10101c773ea4SJayachandran C	select SYNC_R4K
10111c773ea4SJayachandran C	select SYS_HAS_EARLY_PRINTK
10122f6528e1SJayachandran C	select USE_OF
10138f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT
10148f0b0430SJayachandran C	select SYS_SUPPORTS_ZBOOT_UART16550
10151c773ea4SJayachandran C	help
10161c773ea4SJayachandran C	  This board is based on Netlogic XLP Processor.
10171c773ea4SJayachandran C	  Say Y here if you have a XLP based board.
10181c773ea4SJayachandran C
10191da177e4SLinus Torvaldsendchoice
10201da177e4SLinus Torvalds
1021e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig"
10223b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig"
1023d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig"
1024a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig"
1025e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig"
10268945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig"
1027eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig"
10285e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig"
10295ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig"
10308ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig"
10312572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig"
1032af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig"
1033ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig"
103429c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig"
103538b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig"
103622b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig"
10375e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig"
1038a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig"
103971e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig"
104030ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig"
104130ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig"
10427f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig"
104338b18f72SRalf Baechle
10445e83d430SRalf Baechleendmenu
10455e83d430SRalf Baechle
10463c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT
10473c9ee7efSAkinobu Mita	bool
10483c9ee7efSAkinobu Mita	default y
10493c9ee7efSAkinobu Mita
10501da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
10511da177e4SLinus Torvalds	bool
10521da177e4SLinus Torvalds	default y
10531da177e4SLinus Torvalds
1054ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER
10551cc89038SAtsushi Nemoto	bool
10561cc89038SAtsushi Nemoto	default y
10571cc89038SAtsushi Nemoto
10581da177e4SLinus Torvalds#
10591da177e4SLinus Torvalds# Select some configuration options automatically based on user selections.
10601da177e4SLinus Torvalds#
10610e2794b0SRalf Baechleconfig FW_ARC
10621da177e4SLinus Torvalds	bool
10631da177e4SLinus Torvalds
106461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC
106561ed242dSRalf Baechle	bool
106661ed242dSRalf Baechle
10679267a30dSMarc St-Jeanconfig BOOT_RAW
10689267a30dSMarc St-Jean	bool
10699267a30dSMarc St-Jean
1070217dd11eSRalf Baechleconfig CEVT_BCM1480
1071217dd11eSRalf Baechle	bool
1072217dd11eSRalf Baechle
10736457d9fcSYoichi Yuasaconfig CEVT_DS1287
10746457d9fcSYoichi Yuasa	bool
10756457d9fcSYoichi Yuasa
10761097c6acSYoichi Yuasaconfig CEVT_GT641XX
10771097c6acSYoichi Yuasa	bool
10781097c6acSYoichi Yuasa
107942f77542SRalf Baechleconfig CEVT_R4K
108042f77542SRalf Baechle	bool
108142f77542SRalf Baechle
1082217dd11eSRalf Baechleconfig CEVT_SB1250
1083217dd11eSRalf Baechle	bool
1084217dd11eSRalf Baechle
1085229f773eSAtsushi Nemotoconfig CEVT_TXX9
1086229f773eSAtsushi Nemoto	bool
1087229f773eSAtsushi Nemoto
1088217dd11eSRalf Baechleconfig CSRC_BCM1480
1089217dd11eSRalf Baechle	bool
1090217dd11eSRalf Baechle
10914247417dSYoichi Yuasaconfig CSRC_IOASIC
10924247417dSYoichi Yuasa	bool
10934247417dSYoichi Yuasa
1094940f6b48SRalf Baechleconfig CSRC_R4K
109538586428SSerge Semin	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1096940f6b48SRalf Baechle	bool
1097940f6b48SRalf Baechle
1098217dd11eSRalf Baechleconfig CSRC_SB1250
1099217dd11eSRalf Baechle	bool
1100217dd11eSRalf Baechle
1101a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL
1102a7f4df4eSAlex Smith	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1103a7f4df4eSAlex Smith
1104a9aec7feSAtsushi Nemotoconfig GPIO_TXX9
1105d30a2b47SLinus Walleij	select GPIOLIB
1106a9aec7feSAtsushi Nemoto	bool
1107a9aec7feSAtsushi Nemoto
11080e2794b0SRalf Baechleconfig FW_CFE
1109df78b5c8SAurelien Jarno	bool
1110df78b5c8SAurelien Jarno
111140e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES
111240e084a5SRalf Baechle	bool
111340e084a5SRalf Baechle
1114885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT
1115f3ecc0ffSChristoph Hellwig	select ARCH_HAS_DMA_COHERENCE_H
1116885014bcSFelix Fietkau	select DMA_NONCOHERENT
1117885014bcSFelix Fietkau	bool
1118885014bcSFelix Fietkau
111920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT
112020d33064SPaul Burton	bool
1121347cb6afSChristoph Hellwig	select ARCH_HAS_SETUP_DMA_OPS
11225748e1b3SChristoph Hellwig	select DMA_NONCOHERENT
112320d33064SPaul Burton
11241da177e4SLinus Torvaldsconfig DMA_NONCOHERENT
11251da177e4SLinus Torvalds	bool
1126db91427bSChristoph Hellwig	#
1127db91427bSChristoph Hellwig	# MIPS allows mixing "slightly different" Cacheability and Coherency
1128db91427bSChristoph Hellwig	# Attribute bits.  It is believed that the uncached access through
1129db91427bSChristoph Hellwig	# KSEG1 and the implementation specific "uncached accelerated" used
1130db91427bSChristoph Hellwig	# by pgprot_writcombine can be mixed, and the latter sometimes provides
1131db91427bSChristoph Hellwig	# significant advantages.
1132db91427bSChristoph Hellwig	#
1133419e2f18SChristoph Hellwig	select ARCH_HAS_DMA_WRITE_COMBINE
1134fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_PREP_COHERENT
1135f8c55dc6SChristoph Hellwig	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1136fa7e2247SChristoph Hellwig	select ARCH_HAS_DMA_SET_UNCACHED
113734dc0ea6SChristoph Hellwig	select DMA_NONCOHERENT_MMAP
1138f8c55dc6SChristoph Hellwig	select DMA_NONCOHERENT_CACHE_SYNC
113934dc0ea6SChristoph Hellwig	select NEED_DMA_MAP_STATE
11404ce588cdSRalf Baechle
114136a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK
11421da177e4SLinus Torvalds	bool
11431da177e4SLinus Torvalds
11441b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU
1145dbb74540SRalf Baechle	bool
1146dbb74540SRalf Baechle
11471da177e4SLinus Torvaldsconfig MIPS_BONITO64
11481da177e4SLinus Torvalds	bool
11491da177e4SLinus Torvalds
11501da177e4SLinus Torvaldsconfig MIPS_MSC
11511da177e4SLinus Torvalds	bool
11521da177e4SLinus Torvalds
115339b8d525SRalf Baechleconfig SYNC_R4K
115439b8d525SRalf Baechle	bool
115539b8d525SRalf Baechle
1156ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP
1157d388d685SMaciej W. Rozycki	def_bool n
1158d388d685SMaciej W. Rozycki
11594e0748f5SMarkos Chandrasconfig GENERIC_CSUM
116018d84e2eSAlexander Lobakin	def_bool CPU_NO_LOAD_STORE_LR
11614e0748f5SMarkos Chandras
11628313da30SRalf Baechleconfig GENERIC_ISA_DMA
11638313da30SRalf Baechle	bool
11648313da30SRalf Baechle	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1165a35bee8aSNamhyung Kim	select ISA_DMA_API
11668313da30SRalf Baechle
1167aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN
1168aa414dffSRalf Baechle	bool
11698313da30SRalf Baechle	select GENERIC_ISA_DMA
1170aa414dffSRalf Baechle
117178bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY
117278bdbbacSMasahiro Yamada	bool
117378bdbbacSMasahiro Yamada
117478bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE
117578bdbbacSMasahiro Yamada	bool
117678bdbbacSMasahiro Yamada
117778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY
117878bdbbacSMasahiro Yamada	bool
117978bdbbacSMasahiro Yamada
1180a35bee8aSNamhyung Kimconfig ISA_DMA_API
1181a35bee8aSNamhyung Kim	bool
1182a35bee8aSNamhyung Kim
1183465aaed0SDavid Daneyconfig HOLES_IN_ZONE
1184465aaed0SDavid Daney	bool
1185465aaed0SDavid Daney
11868c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE
11878c530ea3SMatt Redfearn	bool
11888c530ea3SMatt Redfearn	help
11898c530ea3SMatt Redfearn	  Selected if the platform supports relocating the kernel.
11908c530ea3SMatt Redfearn	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
11918c530ea3SMatt Redfearn	  to allow access to command line and entropy sources.
11928c530ea3SMatt Redfearn
1193f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT
1194f381bf6dSDavid Daney	def_bool y
1195f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_CBPF_JIT
1196f381bf6dSDavid Daney
1197f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT
1198f381bf6dSDavid Daney	def_bool y
1199f381bf6dSDavid Daney	depends on BPF_JIT && HAVE_EBPF_JIT
1200f381bf6dSDavid Daney
1201f381bf6dSDavid Daney
12025e83d430SRalf Baechle#
12036b2aac42SMasanari Iida# Endianness selection.  Sufficiently obscure so many users don't know what to
12045e83d430SRalf Baechle# answer,so we try hard to limit the available choices.  Also the use of a
12055e83d430SRalf Baechle# choice statement should be more obvious to the user.
12065e83d430SRalf Baechle#
12075e83d430SRalf Baechlechoice
12086b2aac42SMasanari Iida	prompt "Endianness selection"
12091da177e4SLinus Torvalds	help
12101da177e4SLinus Torvalds	  Some MIPS machines can be configured for either little or big endian
12115e83d430SRalf Baechle	  byte order. These modes require different kernels and a different
12123cb2fcccSMatt LaPlante	  Linux distribution.  In general there is one preferred byteorder for a
12135e83d430SRalf Baechle	  particular system but some systems are just as commonly used in the
12143dde6ad8SDavid Sterba	  one or the other endianness.
12155e83d430SRalf Baechle
12165e83d430SRalf Baechleconfig CPU_BIG_ENDIAN
12175e83d430SRalf Baechle	bool "Big endian"
12185e83d430SRalf Baechle	depends on SYS_SUPPORTS_BIG_ENDIAN
12195e83d430SRalf Baechle
12205e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN
12215e83d430SRalf Baechle	bool "Little endian"
12225e83d430SRalf Baechle	depends on SYS_SUPPORTS_LITTLE_ENDIAN
12235e83d430SRalf Baechle
12245e83d430SRalf Baechleendchoice
12255e83d430SRalf Baechle
122622b0763aSDavid Daneyconfig EXPORT_UASM
122722b0763aSDavid Daney	bool
122822b0763aSDavid Daney
12292116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
12302116245eSRalf Baechle	bool
12312116245eSRalf Baechle
12325e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN
12335e83d430SRalf Baechle	bool
12345e83d430SRalf Baechle
12355e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN
12365e83d430SRalf Baechle	bool
12371da177e4SLinus Torvalds
12389cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS
12399cffd154SDavid Daney	bool
124045e03e62SDaniel Silsby	depends on CPU_SUPPORTS_HUGEPAGES
12419cffd154SDavid Daney	default y
12429cffd154SDavid Daney
1243aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT
1244aa1762f4SDavid Daney	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1245aa1762f4SDavid Daney
12461da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K
12471da177e4SLinus Torvalds	bool
12481da177e4SLinus Torvalds
12499267a30dSMarc St-Jeanconfig IRQ_MSP_SLP
12509267a30dSMarc St-Jean	bool
12519267a30dSMarc St-Jean
12529267a30dSMarc St-Jeanconfig IRQ_MSP_CIC
12539267a30dSMarc St-Jean	bool
12549267a30dSMarc St-Jean
12558420fd00SAtsushi Nemotoconfig IRQ_TXX9
12568420fd00SAtsushi Nemoto	bool
12578420fd00SAtsushi Nemoto
1258d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX
1259d5ab1a69SYoichi Yuasa	bool
1260d5ab1a69SYoichi Yuasa
1261252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0
12621da177e4SLinus Torvalds	bool
12631da177e4SLinus Torvalds
1264a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE
1265a57140e9SThomas Bogendoerfer	bool
1266a57140e9SThomas Bogendoerfer
12679267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL
12689267a30dSMarc St-Jean	bool
12699267a30dSMarc St-Jean
1270edb6310aSDaniel Lairdconfig SOC_PNX833X
1271edb6310aSDaniel Laird	bool
1272edb6310aSDaniel Laird	select CEVT_R4K
1273edb6310aSDaniel Laird	select CSRC_R4K
127467e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1275edb6310aSDaniel Laird	select DMA_NONCOHERENT
1276edb6310aSDaniel Laird	select SYS_HAS_CPU_MIPS32_R2
1277edb6310aSDaniel Laird	select SYS_SUPPORTS_32BIT_KERNEL
1278edb6310aSDaniel Laird	select SYS_SUPPORTS_LITTLE_ENDIAN
1279edb6310aSDaniel Laird	select SYS_SUPPORTS_BIG_ENDIAN
1280377cb1b6SRalf Baechle	select SYS_SUPPORTS_MIPS16
1281edb6310aSDaniel Laird	select CPU_MIPSR2_IRQ_VI
1282edb6310aSDaniel Laird
1283edb6310aSDaniel Lairdconfig SOC_PNX8335
1284edb6310aSDaniel Laird	bool
1285edb6310aSDaniel Laird	select SOC_PNX833X
1286edb6310aSDaniel Laird
1287a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM
1288a7e07b1aSMarkos Chandras	bool
1289a7e07b1aSMarkos Chandras
12901da177e4SLinus Torvaldsconfig SWAP_IO_SPACE
12911da177e4SLinus Torvalds	bool
12921da177e4SLinus Torvalds
1293e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG
1294e2defae5SThomas Bogendoerfer	bool
1295e2defae5SThomas Bogendoerfer
12965b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2
12975b438c44SThomas Bogendoerfer	bool
12985b438c44SThomas Bogendoerfer
1299e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ
1300e2defae5SThomas Bogendoerfer	bool
1301e2defae5SThomas Bogendoerfer
1302e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93
1303e2defae5SThomas Bogendoerfer	bool
1304e2defae5SThomas Bogendoerfer
1305e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG
1306e2defae5SThomas Bogendoerfer	bool
1307e2defae5SThomas Bogendoerfer
1308e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042
1309e2defae5SThomas Bogendoerfer	bool
1310e2defae5SThomas Bogendoerfer
1311e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION
1312e2defae5SThomas Bogendoerfer	bool
1313e2defae5SThomas Bogendoerfer
13140e2794b0SRalf Baechleconfig FW_ARC32
13155e83d430SRalf Baechle	bool
13165e83d430SRalf Baechle
1317aaa9fad3SPaul Bolleconfig FW_SNIPROM
1318231a35d3SThomas Bogendoerfer	bool
1319231a35d3SThomas Bogendoerfer
13201da177e4SLinus Torvaldsconfig BOOT_ELF32
13211da177e4SLinus Torvalds	bool
13221da177e4SLinus Torvalds
1323930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4
1324930beb5aSFlorian Fainelli	bool
1325930beb5aSFlorian Fainelli
1326930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5
1327930beb5aSFlorian Fainelli	bool
1328930beb5aSFlorian Fainelli
1329930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6
1330930beb5aSFlorian Fainelli	bool
1331930beb5aSFlorian Fainelli
1332930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7
1333930beb5aSFlorian Fainelli	bool
1334930beb5aSFlorian Fainelli
13351da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT
13361da177e4SLinus Torvalds	int
1337a4c0201eSFlorian Fainelli	default "7" if MIPS_L1_CACHE_SHIFT_7
13385432eeb6SKevin Cernekee	default "6" if MIPS_L1_CACHE_SHIFT_6
13395432eeb6SKevin Cernekee	default "5" if MIPS_L1_CACHE_SHIFT_5
13405432eeb6SKevin Cernekee	default "4" if MIPS_L1_CACHE_SHIFT_4
13411da177e4SLinus Torvalds	default "5"
13421da177e4SLinus Torvalds
1343e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY
1344e9422427SThomas Bogendoerfer	bool
1345e9422427SThomas Bogendoerfer
13461da177e4SLinus Torvaldsconfig ARC_CONSOLE
13471da177e4SLinus Torvalds	bool "ARC console support"
1348e2defae5SThomas Bogendoerfer	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
13491da177e4SLinus Torvalds
13501da177e4SLinus Torvaldsconfig ARC_MEMORY
13511da177e4SLinus Torvalds	bool
13521da177e4SLinus Torvalds
13531da177e4SLinus Torvaldsconfig ARC_PROMLIB
13541da177e4SLinus Torvalds	bool
13551da177e4SLinus Torvalds
13560e2794b0SRalf Baechleconfig FW_ARC64
13571da177e4SLinus Torvalds	bool
13581da177e4SLinus Torvalds
13591da177e4SLinus Torvaldsconfig BOOT_ELF64
13601da177e4SLinus Torvalds	bool
13611da177e4SLinus Torvalds
13621da177e4SLinus Torvaldsmenu "CPU selection"
13631da177e4SLinus Torvalds
13641da177e4SLinus Torvaldschoice
13651da177e4SLinus Torvalds	prompt "CPU type"
13661da177e4SLinus Torvalds	default CPU_R4X00
13671da177e4SLinus Torvalds
1368268a2d60SJiaxun Yangconfig CPU_LOONGSON64
1369caed1d1bSHuacai Chen	bool "Loongson 64-bit CPU"
1370268a2d60SJiaxun Yang	depends on SYS_HAS_CPU_LOONGSON64
1371d3bc81beSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
137251522217SJiaxun Yang	select CPU_MIPSR2
137351522217SJiaxun Yang	select CPU_HAS_PREFETCH
13740e476d91SHuacai Chen	select CPU_SUPPORTS_64BIT_KERNEL
13750e476d91SHuacai Chen	select CPU_SUPPORTS_HIGHMEM
13760e476d91SHuacai Chen	select CPU_SUPPORTS_HUGEPAGES
13777507445bSHuacai Chen	select CPU_SUPPORTS_MSA
137851522217SJiaxun Yang	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
137951522217SJiaxun Yang	select CPU_MIPSR2_IRQ_VI
13800e476d91SHuacai Chen	select WEAK_ORDERING
13810e476d91SHuacai Chen	select WEAK_REORDERING_BEYOND_LLSC
13827507445bSHuacai Chen	select MIPS_ASID_BITS_VARIABLE
1383b2edcfc8SHuacai Chen	select MIPS_PGD_C0_CONTEXT
138417c99d94SHuacai Chen	select MIPS_L1_CACHE_SHIFT_6
1385d30a2b47SLinus Walleij	select GPIOLIB
138609230cbcSChristoph Hellwig	select SWIOTLB
13870f78355cSHuacai Chen	select HAVE_KVM
13880e476d91SHuacai Chen	help
1389caed1d1bSHuacai Chen		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1390caed1d1bSHuacai Chen		cores implements the MIPS64R2 instruction set with many extensions,
1391caed1d1bSHuacai Chen		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1392caed1d1bSHuacai Chen		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1393caed1d1bSHuacai Chen		Loongson-2E/2F is not covered here and will be removed in future.
13940e476d91SHuacai Chen
1395caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT
1396caed1d1bSHuacai Chen	bool "New Loongson-3 CPU Enhancements"
13971e820da3SHuacai Chen	default n
1398268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
13991e820da3SHuacai Chen	help
1400caed1d1bSHuacai Chen	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
14011e820da3SHuacai Chen	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1402268a2d60SJiaxun Yang	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
14031e820da3SHuacai Chen	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
14041e820da3SHuacai Chen	  Fast TLB refill support, etc.
14051e820da3SHuacai Chen
14061e820da3SHuacai Chen	  This option enable those enhancements which are not probed at run
14071e820da3SHuacai Chen	  time. If you want a generic kernel to run on all Loongson 3 machines,
14081e820da3SHuacai Chen	  please say 'N' here. If you want a high-performance kernel to run on
1409caed1d1bSHuacai Chen	  new Loongson-3 machines only, please say 'Y' here.
14101e820da3SHuacai Chen
1411e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS
1412caed1d1bSHuacai Chen	bool "Old Loongson-3 LLSC Workarounds"
1413e02e07e3SHuacai Chen	default y if SMP
1414268a2d60SJiaxun Yang	depends on CPU_LOONGSON64
1415e02e07e3SHuacai Chen	help
1416caed1d1bSHuacai Chen	  Loongson-3 processors have the llsc issues which require workarounds.
1417e02e07e3SHuacai Chen	  Without workarounds the system may hang unexpectedly.
1418e02e07e3SHuacai Chen
1419caed1d1bSHuacai Chen	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1420e02e07e3SHuacai Chen	  The workarounds have no significant side effect on them but may
1421e02e07e3SHuacai Chen	  decrease the performance of the system so this option should be
1422e02e07e3SHuacai Chen	  disabled unless the kernel is intended to be run on old systems.
1423e02e07e3SHuacai Chen
1424e02e07e3SHuacai Chen	  If unsure, please say Y.
1425e02e07e3SHuacai Chen
1426ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION
1427ec7a9318SWANG Xuerui	bool "Emulate the CPUCFG instruction on older Loongson cores"
1428ec7a9318SWANG Xuerui	default y
1429ec7a9318SWANG Xuerui	depends on CPU_LOONGSON64
1430ec7a9318SWANG Xuerui	help
1431ec7a9318SWANG Xuerui	  Loongson-3A R4 and newer have the CPUCFG instruction available for
1432ec7a9318SWANG Xuerui	  userland to query CPU capabilities, much like CPUID on x86. This
1433ec7a9318SWANG Xuerui	  option provides emulation of the instruction on older Loongson
1434ec7a9318SWANG Xuerui	  cores, back to Loongson-3A1000.
1435ec7a9318SWANG Xuerui
1436ec7a9318SWANG Xuerui	  If unsure, please say Y.
1437ec7a9318SWANG Xuerui
14383702bba5SWu Zhangjinconfig CPU_LOONGSON2E
14393702bba5SWu Zhangjin	bool "Loongson 2E"
14403702bba5SWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2E
1441268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
14422a21c730SFuxin Zhang	help
14432a21c730SFuxin Zhang	  The Loongson 2E processor implements the MIPS III instruction set
14442a21c730SFuxin Zhang	  with many extensions.
14452a21c730SFuxin Zhang
144625985edcSLucas De Marchi	  It has an internal FPGA northbridge, which is compatible to
14476f7a251aSWu Zhangjin	  bonito64.
14486f7a251aSWu Zhangjin
14496f7a251aSWu Zhangjinconfig CPU_LOONGSON2F
14506f7a251aSWu Zhangjin	bool "Loongson 2F"
14516f7a251aSWu Zhangjin	depends on SYS_HAS_CPU_LOONGSON2F
1452268a2d60SJiaxun Yang	select CPU_LOONGSON2EF
1453d30a2b47SLinus Walleij	select GPIOLIB
14546f7a251aSWu Zhangjin	help
14556f7a251aSWu Zhangjin	  The Loongson 2F processor implements the MIPS III instruction set
14566f7a251aSWu Zhangjin	  with many extensions.
14576f7a251aSWu Zhangjin
14586f7a251aSWu Zhangjin	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
14596f7a251aSWu Zhangjin	  have a similar programming interface with FPGA northbridge used in
14606f7a251aSWu Zhangjin	  Loongson2E.
14616f7a251aSWu Zhangjin
1462ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B
1463ca585cf9SKelvin Cheung	bool "Loongson 1B"
1464ca585cf9SKelvin Cheung	depends on SYS_HAS_CPU_LOONGSON1B
1465b2afb64cSHuacai Chen	select CPU_LOONGSON32
14669ec88b60SKelvin Cheung	select LEDS_GPIO_REGISTER
1467ca585cf9SKelvin Cheung	help
1468ca585cf9SKelvin Cheung	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1469968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1470968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
1471ca585cf9SKelvin Cheung
147212e3280bSYang Lingconfig CPU_LOONGSON1C
147312e3280bSYang Ling	bool "Loongson 1C"
147412e3280bSYang Ling	depends on SYS_HAS_CPU_LOONGSON1C
1475b2afb64cSHuacai Chen	select CPU_LOONGSON32
147612e3280bSYang Ling	select LEDS_GPIO_REGISTER
147712e3280bSYang Ling	help
147812e3280bSYang Ling	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1479968dc5a0S谢致邦 (XIE Zhibang)	  Release 1 instruction set and part of the MIPS32 Release 2
1480968dc5a0S谢致邦 (XIE Zhibang)	  instruction set.
148112e3280bSYang Ling
14826e760c8dSRalf Baechleconfig CPU_MIPS32_R1
14836e760c8dSRalf Baechle	bool "MIPS32 Release 1"
14847cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R1
14856e760c8dSRalf Baechle	select CPU_HAS_PREFETCH
1486797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1487ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
14886e760c8dSRalf Baechle	help
14895e83d430SRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
14901e5f1caaSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
14911e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
14921e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
14931e5f1caaSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
14941e5f1caaSRalf Baechle	  Release 2 of the MIPS32 architecture is available since several
14951e5f1caaSRalf Baechle	  years so chances are you even have a MIPS32 Release 2 processor
14961e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS32_R2 instead for better
14971e5f1caaSRalf Baechle	  performance.
14981e5f1caaSRalf Baechle
14991e5f1caaSRalf Baechleconfig CPU_MIPS32_R2
15001e5f1caaSRalf Baechle	bool "MIPS32 Release 2"
15017cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS32_R2
15021e5f1caaSRalf Baechle	select CPU_HAS_PREFETCH
1503797798c1SRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
1504ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1505a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
15062235a54dSSanjay Lal	select HAVE_KVM
15071e5f1caaSRalf Baechle	help
15085e83d430SRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15096e760c8dSRalf Baechle	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
15106e760c8dSRalf Baechle	  MIPS processor are based on a MIPS32 processor.  If you know the
15116e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15126e760c8dSRalf Baechle	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
15131da177e4SLinus Torvalds
1514ab7c01fdSSerge Seminconfig CPU_MIPS32_R5
1515ab7c01fdSSerge Semin	bool "MIPS32 Release 5"
1516ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS32_R5
1517ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1518ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1519ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1520ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1521ab7c01fdSSerge Semin	select HAVE_KVM
1522ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT
1523ab7c01fdSSerge Semin	help
1524ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1525ab7c01fdSSerge Semin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
1526ab7c01fdSSerge Semin	  family, are based on a MIPS32r5 processor. If you own an older
1527ab7c01fdSSerge Semin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1528ab7c01fdSSerge Semin
15297fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6
1530674d10e2SMarkos Chandras	bool "MIPS32 Release 6"
15317fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R6
15327fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
153318d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
15347fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
15357fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
15367fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
15377fd08ca5SLeonid Yegoshin	select HAVE_KVM
15387fd08ca5SLeonid Yegoshin	select MIPS_O32_FP64_SUPPORT
15397fd08ca5SLeonid Yegoshin	help
15407fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
15417fd08ca5SLeonid Yegoshin	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
15427fd08ca5SLeonid Yegoshin	  family, are based on a MIPS32r6 processor. If you own an older
15437fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
15447fd08ca5SLeonid Yegoshin
15456e760c8dSRalf Baechleconfig CPU_MIPS64_R1
15466e760c8dSRalf Baechle	bool "MIPS64 Release 1"
15477cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R1
1548797798c1SRalf Baechle	select CPU_HAS_PREFETCH
1549ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1550ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1551ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15529cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
15536e760c8dSRalf Baechle	help
15546e760c8dSRalf Baechle	  Choose this option to build a kernel for release 1 or later of the
15556e760c8dSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15566e760c8dSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15576e760c8dSRalf Baechle	  specific type of processor in your system, choose those that one
15586e760c8dSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15591e5f1caaSRalf Baechle	  Release 2 of the MIPS64 architecture is available since several
15601e5f1caaSRalf Baechle	  years so chances are you even have a MIPS64 Release 2 processor
15611e5f1caaSRalf Baechle	  in which case you should choose CPU_MIPS64_R2 instead for better
15621e5f1caaSRalf Baechle	  performance.
15631e5f1caaSRalf Baechle
15641e5f1caaSRalf Baechleconfig CPU_MIPS64_R2
15651e5f1caaSRalf Baechle	bool "MIPS64 Release 2"
15667cf8053bSRalf Baechle	depends on SYS_HAS_CPU_MIPS64_R2
1567797798c1SRalf Baechle	select CPU_HAS_PREFETCH
15681e5f1caaSRalf Baechle	select CPU_SUPPORTS_32BIT_KERNEL
15691e5f1caaSRalf Baechle	select CPU_SUPPORTS_64BIT_KERNEL
1570ec28f306SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
15719cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1572a5e9a69eSPaul Burton	select CPU_SUPPORTS_MSA
157340a2df49SJames Hogan	select HAVE_KVM
15741e5f1caaSRalf Baechle	help
15751e5f1caaSRalf Baechle	  Choose this option to build a kernel for release 2 or later of the
15761e5f1caaSRalf Baechle	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
15771e5f1caaSRalf Baechle	  MIPS processor are based on a MIPS64 processor.  If you know the
15781e5f1caaSRalf Baechle	  specific type of processor in your system, choose those that one
15791e5f1caaSRalf Baechle	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
15801da177e4SLinus Torvalds
1581ab7c01fdSSerge Seminconfig CPU_MIPS64_R5
1582ab7c01fdSSerge Semin	bool "MIPS64 Release 5"
1583ab7c01fdSSerge Semin	depends on SYS_HAS_CPU_MIPS64_R5
1584ab7c01fdSSerge Semin	select CPU_HAS_PREFETCH
1585ab7c01fdSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1586ab7c01fdSSerge Semin	select CPU_SUPPORTS_64BIT_KERNEL
1587ab7c01fdSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1588ab7c01fdSSerge Semin	select CPU_SUPPORTS_HUGEPAGES
1589ab7c01fdSSerge Semin	select CPU_SUPPORTS_MSA
1590ab7c01fdSSerge Semin	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1591ab7c01fdSSerge Semin	select HAVE_KVM
1592ab7c01fdSSerge Semin	help
1593ab7c01fdSSerge Semin	  Choose this option to build a kernel for release 5 or later of the
1594ab7c01fdSSerge Semin	  MIPS64 architecture.  This is a intermediate MIPS architecture
1595ab7c01fdSSerge Semin	  release partly implementing release 6 features. Though there is no
1596ab7c01fdSSerge Semin	  any hardware known to be based on this release.
1597ab7c01fdSSerge Semin
15987fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6
1599674d10e2SMarkos Chandras	bool "MIPS64 Release 6"
16007fd08ca5SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS64_R6
16017fd08ca5SLeonid Yegoshin	select CPU_HAS_PREFETCH
160218d84e2eSAlexander Lobakin	select CPU_NO_LOAD_STORE_LR
16037fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_32BIT_KERNEL
16047fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_64BIT_KERNEL
16057fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_HIGHMEM
1606afd375dcSPaul Burton	select CPU_SUPPORTS_HUGEPAGES
16077fd08ca5SLeonid Yegoshin	select CPU_SUPPORTS_MSA
16082e6c7747SJames Hogan	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
160940a2df49SJames Hogan	select HAVE_KVM
16107fd08ca5SLeonid Yegoshin	help
16117fd08ca5SLeonid Yegoshin	  Choose this option to build a kernel for release 6 or later of the
16127fd08ca5SLeonid Yegoshin	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
16137fd08ca5SLeonid Yegoshin	  family, are based on a MIPS64r6 processor. If you own an older
16147fd08ca5SLeonid Yegoshin	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
16157fd08ca5SLeonid Yegoshin
1616281e3aeaSSerge Seminconfig CPU_P5600
1617281e3aeaSSerge Semin	bool "MIPS Warrior P5600"
1618281e3aeaSSerge Semin	depends on SYS_HAS_CPU_P5600
1619281e3aeaSSerge Semin	select CPU_HAS_PREFETCH
1620281e3aeaSSerge Semin	select CPU_SUPPORTS_32BIT_KERNEL
1621281e3aeaSSerge Semin	select CPU_SUPPORTS_HIGHMEM
1622281e3aeaSSerge Semin	select CPU_SUPPORTS_MSA
1623281e3aeaSSerge Semin	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1624281e3aeaSSerge Semin	select CPU_SUPPORTS_CPUFREQ
1625281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_VI
1626281e3aeaSSerge Semin	select CPU_MIPSR2_IRQ_EI
1627281e3aeaSSerge Semin	select HAVE_KVM
1628281e3aeaSSerge Semin	select MIPS_O32_FP64_SUPPORT
1629281e3aeaSSerge Semin	help
1630281e3aeaSSerge Semin	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1631281e3aeaSSerge Semin	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1632281e3aeaSSerge Semin	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1633281e3aeaSSerge Semin	  level features like up to six P5600 calculation cores, CM2 with L2
1634281e3aeaSSerge Semin	  cache, IOCU/IOMMU (though might be unused depending on the system-
1635281e3aeaSSerge Semin	  specific IP core configuration), GIC, CPC, virtualisation module,
1636281e3aeaSSerge Semin	  eJTAG and PDtrace.
1637281e3aeaSSerge Semin
16381da177e4SLinus Torvaldsconfig CPU_R3000
16391da177e4SLinus Torvalds	bool "R3000"
16407cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R3000
1641f7062ddbSRalf Baechle	select CPU_HAS_WB
164254746829SPaul Burton	select CPU_R3K_TLB
1643ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1644797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
16451da177e4SLinus Torvalds	help
16461da177e4SLinus Torvalds	  Please make sure to pick the right CPU type. Linux/MIPS is not
16471da177e4SLinus Torvalds	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
16481da177e4SLinus Torvalds	  *not* work on R4000 machines and vice versa.  However, since most
16491da177e4SLinus Torvalds	  of the supported machines have an R4000 (or similar) CPU, R4x00
16501da177e4SLinus Torvalds	  might be a safe bet.  If the resulting kernel does not work,
16511da177e4SLinus Torvalds	  try to recompile with R3000.
16521da177e4SLinus Torvalds
16531da177e4SLinus Torvaldsconfig CPU_TX39XX
16541da177e4SLinus Torvalds	bool "R39XX"
16557cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX39XX
1656ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
165754746829SPaul Burton	select CPU_R3K_TLB
16581da177e4SLinus Torvalds
16591da177e4SLinus Torvaldsconfig CPU_VR41XX
16601da177e4SLinus Torvalds	bool "R41xx"
16617cf8053bSRalf Baechle	depends on SYS_HAS_CPU_VR41XX
1662ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1663ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
16641da177e4SLinus Torvalds	help
16655e83d430SRalf Baechle	  The options selects support for the NEC VR4100 series of processors.
16661da177e4SLinus Torvalds	  Only choose this option if you have one of these processors as a
16671da177e4SLinus Torvalds	  kernel built with this option will not run on any other type of
16681da177e4SLinus Torvalds	  processor or vice versa.
16691da177e4SLinus Torvalds
16701da177e4SLinus Torvaldsconfig CPU_R4X00
16711da177e4SLinus Torvalds	bool "R4x00"
16727cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R4X00
1673ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1674ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1675970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16761da177e4SLinus Torvalds	help
16771da177e4SLinus Torvalds	  MIPS Technologies R4000-series processors other than 4300, including
16781da177e4SLinus Torvalds	  the R4000, R4400, R4600, and 4700.
16791da177e4SLinus Torvalds
16801da177e4SLinus Torvaldsconfig CPU_TX49XX
16811da177e4SLinus Torvalds	bool "R49XX"
16827cf8053bSRalf Baechle	depends on SYS_HAS_CPU_TX49XX
1683de862b48SAtsushi Nemoto	select CPU_HAS_PREFETCH
1684ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1685ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1686970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16871da177e4SLinus Torvalds
16881da177e4SLinus Torvaldsconfig CPU_R5000
16891da177e4SLinus Torvalds	bool "R5000"
16907cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R5000
1691ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1692ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1693970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
16941da177e4SLinus Torvalds	help
16951da177e4SLinus Torvalds	  MIPS Technologies R5000-series processors other than the Nevada.
16961da177e4SLinus Torvalds
1697542c1020SShinya Kuribayashiconfig CPU_R5500
1698542c1020SShinya Kuribayashi	bool "R5500"
1699542c1020SShinya Kuribayashi	depends on SYS_HAS_CPU_R5500
1700542c1020SShinya Kuribayashi	select CPU_SUPPORTS_32BIT_KERNEL
1701542c1020SShinya Kuribayashi	select CPU_SUPPORTS_64BIT_KERNEL
17029cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1703542c1020SShinya Kuribayashi	help
1704542c1020SShinya Kuribayashi	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1705542c1020SShinya Kuribayashi	  instruction set.
1706542c1020SShinya Kuribayashi
17071da177e4SLinus Torvaldsconfig CPU_NEVADA
17081da177e4SLinus Torvalds	bool "RM52xx"
17097cf8053bSRalf Baechle	depends on SYS_HAS_CPU_NEVADA
1710ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1711ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1712970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17131da177e4SLinus Torvalds	help
17141da177e4SLinus Torvalds	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
17151da177e4SLinus Torvalds
17161da177e4SLinus Torvaldsconfig CPU_R10000
17171da177e4SLinus Torvalds	bool "R10000"
17187cf8053bSRalf Baechle	depends on SYS_HAS_CPU_R10000
17195e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1720ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1721ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1722797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1723970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17241da177e4SLinus Torvalds	help
17251da177e4SLinus Torvalds	  MIPS Technologies R10000-series processors.
17261da177e4SLinus Torvalds
17271da177e4SLinus Torvaldsconfig CPU_RM7000
17281da177e4SLinus Torvalds	bool "RM7000"
17297cf8053bSRalf Baechle	depends on SYS_HAS_CPU_RM7000
17305e83d430SRalf Baechle	select CPU_HAS_PREFETCH
1731ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1732ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1733797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1734970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17351da177e4SLinus Torvalds
17361da177e4SLinus Torvaldsconfig CPU_SB1
17371da177e4SLinus Torvalds	bool "SB1"
17387cf8053bSRalf Baechle	depends on SYS_HAS_CPU_SB1
1739ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_32BIT_KERNEL
1740ed5ba2fbSYoichi Yuasa	select CPU_SUPPORTS_64BIT_KERNEL
1741797798c1SRalf Baechle	select CPU_SUPPORTS_HIGHMEM
1742970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17430004a9dfSRalf Baechle	select WEAK_ORDERING
17441da177e4SLinus Torvalds
1745a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON
1746a86c7f72SDavid Daney	bool "Cavium Octeon processor"
17475e683389SDavid Daney	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1748a86c7f72SDavid Daney	select CPU_HAS_PREFETCH
1749a86c7f72SDavid Daney	select CPU_SUPPORTS_64BIT_KERNEL
1750a86c7f72SDavid Daney	select WEAK_ORDERING
1751a86c7f72SDavid Daney	select CPU_SUPPORTS_HIGHMEM
17529cffd154SDavid Daney	select CPU_SUPPORTS_HUGEPAGES
1753df115f3eSBen Hutchings	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1754df115f3eSBen Hutchings	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1755930beb5aSFlorian Fainelli	select MIPS_L1_CACHE_SHIFT_7
17560ae3abcdSJames Hogan	select HAVE_KVM
1757a86c7f72SDavid Daney	help
1758a86c7f72SDavid Daney	  The Cavium Octeon processor is a highly integrated chip containing
1759a86c7f72SDavid Daney	  many ethernet hardware widgets for networking tasks. The processor
1760a86c7f72SDavid Daney	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1761a86c7f72SDavid Daney	  Full details can be found at http://www.caviumnetworks.com.
1762a86c7f72SDavid Daney
1763cd746249SJonas Gorskiconfig CPU_BMIPS
1764cd746249SJonas Gorski	bool "Broadcom BMIPS"
1765cd746249SJonas Gorski	depends on SYS_HAS_CPU_BMIPS
1766cd746249SJonas Gorski	select CPU_MIPS32
1767fe7f62c0SJonas Gorski	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1768cd746249SJonas Gorski	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1769cd746249SJonas Gorski	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1770cd746249SJonas Gorski	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1771cd746249SJonas Gorski	select CPU_SUPPORTS_32BIT_KERNEL
1772cd746249SJonas Gorski	select DMA_NONCOHERENT
177367e38cf2SRalf Baechle	select IRQ_MIPS_CPU
1774cd746249SJonas Gorski	select SWAP_IO_SPACE
1775cd746249SJonas Gorski	select WEAK_ORDERING
1776c1c0c461SKevin Cernekee	select CPU_SUPPORTS_HIGHMEM
177769aaf9c8SJonas Gorski	select CPU_HAS_PREFETCH
1778a8d709b0SMarkus Mayer	select CPU_SUPPORTS_CPUFREQ
1779a8d709b0SMarkus Mayer	select MIPS_EXTERNAL_TIMER
1780c1c0c461SKevin Cernekee	help
1781fe7f62c0SJonas Gorski	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1782c1c0c461SKevin Cernekee
17837f058e85SJayachandran Cconfig CPU_XLR
17847f058e85SJayachandran C	bool "Netlogic XLR SoC"
17857f058e85SJayachandran C	depends on SYS_HAS_CPU_XLR
17867f058e85SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17877f058e85SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
17887f058e85SJayachandran C	select CPU_SUPPORTS_HIGHMEM
1789970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
17907f058e85SJayachandran C	select WEAK_ORDERING
17917f058e85SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
17927f058e85SJayachandran C	help
17937f058e85SJayachandran C	  Netlogic Microsystems XLR/XLS processors.
17941c773ea4SJayachandran C
17951c773ea4SJayachandran Cconfig CPU_XLP
17961c773ea4SJayachandran C	bool "Netlogic XLP SoC"
17971c773ea4SJayachandran C	depends on SYS_HAS_CPU_XLP
17981c773ea4SJayachandran C	select CPU_SUPPORTS_32BIT_KERNEL
17991c773ea4SJayachandran C	select CPU_SUPPORTS_64BIT_KERNEL
18001c773ea4SJayachandran C	select CPU_SUPPORTS_HIGHMEM
18011c773ea4SJayachandran C	select WEAK_ORDERING
18021c773ea4SJayachandran C	select WEAK_REORDERING_BEYOND_LLSC
18031c773ea4SJayachandran C	select CPU_HAS_PREFETCH
1804d6504846SJayachandran C	select CPU_MIPSR2
1805ddba6833SPrem Mallappa	select CPU_SUPPORTS_HUGEPAGES
18062db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
18071c773ea4SJayachandran C	help
18081c773ea4SJayachandran C	  Netlogic Microsystems XLP processors.
18091da177e4SLinus Torvaldsendchoice
18101da177e4SLinus Torvalds
1811a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES
1812a6e18781SLeonid Yegoshin	bool "MIPS32 Release 3.5 Features"
1813a6e18781SLeonid Yegoshin	depends on SYS_HAS_CPU_MIPS32_R3_5
1814281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1815281e3aeaSSerge Semin		   CPU_P5600
1816a6e18781SLeonid Yegoshin	help
1817a6e18781SLeonid Yegoshin	  Choose this option to build a kernel for release 2 or later of the
1818a6e18781SLeonid Yegoshin	  MIPS32 architecture including features from the 3.5 release such as
1819a6e18781SLeonid Yegoshin	  support for Enhanced Virtual Addressing (EVA).
1820a6e18781SLeonid Yegoshin
1821a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA
1822a6e18781SLeonid Yegoshin	bool "Enhanced Virtual Addressing (EVA)"
1823a6e18781SLeonid Yegoshin	depends on CPU_MIPS32_3_5_FEATURES
1824a6e18781SLeonid Yegoshin	select EVA
1825a6e18781SLeonid Yegoshin	default y
1826a6e18781SLeonid Yegoshin	help
1827a6e18781SLeonid Yegoshin	  Choose this option if you want to enable the Enhanced Virtual
1828a6e18781SLeonid Yegoshin	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
1829a6e18781SLeonid Yegoshin	  One of its primary benefits is an increase in the maximum size
1830a6e18781SLeonid Yegoshin	  of lowmem (up to 3GB). If unsure, say 'N' here.
1831a6e18781SLeonid Yegoshin
1832c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES
1833c5b36783SSteven J. Hill	bool "MIPS32 Release 5 Features"
1834c5b36783SSteven J. Hill	depends on SYS_HAS_CPU_MIPS32_R5
1835281e3aeaSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1836c5b36783SSteven J. Hill	help
1837c5b36783SSteven J. Hill	  Choose this option to build a kernel for release 2 or later of the
1838c5b36783SSteven J. Hill	  MIPS32 architecture including features from release 5 such as
1839c5b36783SSteven J. Hill	  support for Extended Physical Addressing (XPA).
1840c5b36783SSteven J. Hill
1841c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA
1842c5b36783SSteven J. Hill	bool "Extended Physical Addressing (XPA)"
1843c5b36783SSteven J. Hill	depends on CPU_MIPS32_R5_FEATURES
1844c5b36783SSteven J. Hill	depends on !EVA
1845c5b36783SSteven J. Hill	depends on !PAGE_SIZE_4KB
1846c5b36783SSteven J. Hill	depends on SYS_SUPPORTS_HIGHMEM
1847c5b36783SSteven J. Hill	select XPA
1848c5b36783SSteven J. Hill	select HIGHMEM
1849d4a451d5SChristoph Hellwig	select PHYS_ADDR_T_64BIT
1850c5b36783SSteven J. Hill	default n
1851c5b36783SSteven J. Hill	help
1852c5b36783SSteven J. Hill	  Choose this option if you want to enable the Extended Physical
1853c5b36783SSteven J. Hill	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1854c5b36783SSteven J. Hill	  benefit is to increase physical addressing equal to or greater
1855c5b36783SSteven J. Hill	  than 40 bits. Note that this has the side effect of turning on
1856c5b36783SSteven J. Hill	  64-bit addressing which in turn makes the PTEs 64-bit in size.
1857c5b36783SSteven J. Hill	  If unsure, say 'N' here.
1858c5b36783SSteven J. Hill
1859622844bfSWu Zhangjinif CPU_LOONGSON2F
1860622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS
1861622844bfSWu Zhangjin	bool
1862622844bfSWu Zhangjin
1863622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS
1864622844bfSWu Zhangjin	bool
1865622844bfSWu Zhangjin
1866622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS
1867622844bfSWu Zhangjin	bool "Loongson 2F Workarounds"
1868622844bfSWu Zhangjin	default y
1869622844bfSWu Zhangjin	select CPU_NOP_WORKAROUNDS
1870622844bfSWu Zhangjin	select CPU_JUMP_WORKAROUNDS
1871622844bfSWu Zhangjin	help
1872622844bfSWu Zhangjin	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1873622844bfSWu Zhangjin	  require workarounds.  Without workarounds the system may hang
1874622844bfSWu Zhangjin	  unexpectedly.  For more information please refer to the gas
1875622844bfSWu Zhangjin	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1876622844bfSWu Zhangjin
1877622844bfSWu Zhangjin	  Loongson 2F03 and later have fixed these issues and no workarounds
1878622844bfSWu Zhangjin	  are needed.  The workarounds have no significant side effect on them
1879622844bfSWu Zhangjin	  but may decrease the performance of the system so this option should
1880622844bfSWu Zhangjin	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
1881622844bfSWu Zhangjin	  systems.
1882622844bfSWu Zhangjin
1883622844bfSWu Zhangjin	  If unsure, please say Y.
1884622844bfSWu Zhangjinendif # CPU_LOONGSON2F
1885622844bfSWu Zhangjin
18861b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT
18871b93b3c3SWu Zhangjin	bool
18881b93b3c3SWu Zhangjin	select HAVE_KERNEL_GZIP
18891b93b3c3SWu Zhangjin	select HAVE_KERNEL_BZIP2
189031c4867dSFlorian Fainelli	select HAVE_KERNEL_LZ4
18911b93b3c3SWu Zhangjin	select HAVE_KERNEL_LZMA
1892fe1d45e0SWu Zhangjin	select HAVE_KERNEL_LZO
18934e23eb63SFlorian Fainelli	select HAVE_KERNEL_XZ
18941b93b3c3SWu Zhangjin
18951b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550
18961b93b3c3SWu Zhangjin	bool
18971b93b3c3SWu Zhangjin	select SYS_SUPPORTS_ZBOOT
18981b93b3c3SWu Zhangjin
1899dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM
1900dbb98314SAlban Bedel	bool
1901dbb98314SAlban Bedel	select SYS_SUPPORTS_ZBOOT
1902dbb98314SAlban Bedel
1903268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF
19043702bba5SWu Zhangjin	bool
19053702bba5SWu Zhangjin	select CPU_SUPPORTS_32BIT_KERNEL
19063702bba5SWu Zhangjin	select CPU_SUPPORTS_64BIT_KERNEL
19073702bba5SWu Zhangjin	select CPU_SUPPORTS_HIGHMEM
1908970d032fSRalf Baechle	select CPU_SUPPORTS_HUGEPAGES
1909e905086eSChristoph Hellwig	select ARCH_HAS_PHYS_TO_DMA
19103702bba5SWu Zhangjin
1911b2afb64cSHuacai Chenconfig CPU_LOONGSON32
1912ca585cf9SKelvin Cheung	bool
1913ca585cf9SKelvin Cheung	select CPU_MIPS32
19147e280f6bSJiaxun Yang	select CPU_MIPSR2
1915ca585cf9SKelvin Cheung	select CPU_HAS_PREFETCH
1916ca585cf9SKelvin Cheung	select CPU_SUPPORTS_32BIT_KERNEL
1917ca585cf9SKelvin Cheung	select CPU_SUPPORTS_HIGHMEM
1918f29ad10dSKelvin Cheung	select CPU_SUPPORTS_CPUFREQ
1919ca585cf9SKelvin Cheung
1920fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300
192104fa8bf7SJonas Gorski	select SMP_UP if SMP
19221bbb6c1bSKevin Cernekee	bool
1923cd746249SJonas Gorski
1924cd746249SJonas Gorskiconfig CPU_BMIPS4350
1925cd746249SJonas Gorski	bool
1926cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1927cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1928cd746249SJonas Gorski
1929cd746249SJonas Gorskiconfig CPU_BMIPS4380
1930cd746249SJonas Gorski	bool
1931bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_6
1932cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1933cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1934b4720809SFlorian Fainelli	select CPU_HAS_RIXI
1935cd746249SJonas Gorski
1936cd746249SJonas Gorskiconfig CPU_BMIPS5000
1937cd746249SJonas Gorski	bool
1938cd746249SJonas Gorski	select MIPS_CPU_SCACHE
1939bbf2ba67SKevin Cernekee	select MIPS_L1_CACHE_SHIFT_7
1940cd746249SJonas Gorski	select SYS_SUPPORTS_SMP
1941cd746249SJonas Gorski	select SYS_SUPPORTS_HOTPLUG_CPU
1942b4720809SFlorian Fainelli	select CPU_HAS_RIXI
19431bbb6c1bSKevin Cernekee
1944268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64
19450e476d91SHuacai Chen	bool
19460e476d91SHuacai Chen	select CPU_SUPPORTS_CPUFREQ
1947b2edcfc8SHuacai Chen	select CPU_HAS_RIXI
19480e476d91SHuacai Chen
19493702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E
19502a21c730SFuxin Zhang	bool
19512a21c730SFuxin Zhang
19526f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F
19536f7a251aSWu Zhangjin	bool
195455045ff5SWu Zhangjin	select CPU_SUPPORTS_CPUFREQ
195555045ff5SWu Zhangjin	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
19566f7a251aSWu Zhangjin
1957ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B
1958ca585cf9SKelvin Cheung	bool
1959ca585cf9SKelvin Cheung
196012e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C
196112e3280bSYang Ling	bool
196212e3280bSYang Ling
19637cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1
19647cf8053bSRalf Baechle	bool
19657cf8053bSRalf Baechle
19667cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2
19677cf8053bSRalf Baechle	bool
19687cf8053bSRalf Baechle
1969a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5
1970a6e18781SLeonid Yegoshin	bool
1971a6e18781SLeonid Yegoshin
1972c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5
1973c5b36783SSteven J. Hill	bool
19749ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1975c5b36783SSteven J. Hill
19767fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6
19777fd08ca5SLeonid Yegoshin	bool
19789ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19797fd08ca5SLeonid Yegoshin
19807cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1
19817cf8053bSRalf Baechle	bool
19827cf8053bSRalf Baechle
19837cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2
19847cf8053bSRalf Baechle	bool
19857cf8053bSRalf Baechle
19867fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6
19877fd08ca5SLeonid Yegoshin	bool
19889ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
19897fd08ca5SLeonid Yegoshin
1990281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600
1991281e3aeaSSerge Semin	bool
1992281e3aeaSSerge Semin	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1993281e3aeaSSerge Semin
19947cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000
19957cf8053bSRalf Baechle	bool
19967cf8053bSRalf Baechle
19977cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX
19987cf8053bSRalf Baechle	bool
19997cf8053bSRalf Baechle
20007cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX
20017cf8053bSRalf Baechle	bool
20027cf8053bSRalf Baechle
20037cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00
20047cf8053bSRalf Baechle	bool
20057cf8053bSRalf Baechle
20067cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX
20077cf8053bSRalf Baechle	bool
20087cf8053bSRalf Baechle
20097cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000
20107cf8053bSRalf Baechle	bool
20117cf8053bSRalf Baechle
2012542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500
2013542c1020SShinya Kuribayashi	bool
2014542c1020SShinya Kuribayashi
20157cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA
20167cf8053bSRalf Baechle	bool
20177cf8053bSRalf Baechle
20187cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000
20197cf8053bSRalf Baechle	bool
20209ae1f262SPaul Burton	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
20217cf8053bSRalf Baechle
20227cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000
20237cf8053bSRalf Baechle	bool
20247cf8053bSRalf Baechle
20257cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1
20267cf8053bSRalf Baechle	bool
20277cf8053bSRalf Baechle
20285e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON
20295e683389SDavid Daney	bool
20305e683389SDavid Daney
2031cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS
2032c1c0c461SKevin Cernekee	bool
2033c1c0c461SKevin Cernekee
2034fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300
2035c1c0c461SKevin Cernekee	bool
2036cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2037c1c0c461SKevin Cernekee
2038c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350
2039c1c0c461SKevin Cernekee	bool
2040cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2041c1c0c461SKevin Cernekee
2042c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380
2043c1c0c461SKevin Cernekee	bool
2044cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2045c1c0c461SKevin Cernekee
2046c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000
2047c1c0c461SKevin Cernekee	bool
2048cd746249SJonas Gorski	select SYS_HAS_CPU_BMIPS
2049f263f2a2SHauke Mehrtens	select ARCH_HAS_SYNC_DMA_FOR_CPU
2050c1c0c461SKevin Cernekee
20517f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR
20527f058e85SJayachandran C	bool
20537f058e85SJayachandran C
20541c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP
20551c773ea4SJayachandran C	bool
20561c773ea4SJayachandran C
205717099b11SRalf Baechle#
205817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W
205917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
206017099b11SRalf Baechle#
20610004a9dfSRalf Baechleconfig WEAK_ORDERING
20620004a9dfSRalf Baechle	bool
206317099b11SRalf Baechle
206417099b11SRalf Baechle#
206517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC
206617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
206717099b11SRalf Baechle#
206817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC
206917099b11SRalf Baechle	bool
20705e83d430SRalf Baechleendmenu
20715e83d430SRalf Baechle
20725e83d430SRalf Baechle#
20735e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture
20745e83d430SRalf Baechle#
20755e83d430SRalf Baechleconfig CPU_MIPS32
20765e83d430SRalf Baechle	bool
2077ab7c01fdSSerge Semin	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
2078281e3aeaSSerge Semin		     CPU_MIPS32_R6 || CPU_P5600
20795e83d430SRalf Baechle
20805e83d430SRalf Baechleconfig CPU_MIPS64
20815e83d430SRalf Baechle	bool
2082ab7c01fdSSerge Semin	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
2083ab7c01fdSSerge Semin		     CPU_MIPS64_R6
20845e83d430SRalf Baechle
20855e83d430SRalf Baechle#
208657eeacedSPaul Burton# These indicate the revision of the architecture
20875e83d430SRalf Baechle#
20885e83d430SRalf Baechleconfig CPU_MIPSR1
20895e83d430SRalf Baechle	bool
20905e83d430SRalf Baechle	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
20915e83d430SRalf Baechle
20925e83d430SRalf Baechleconfig CPU_MIPSR2
20935e83d430SRalf Baechle	bool
2094a86c7f72SDavid Daney	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
20958256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2096ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2097a7e07b1aSMarkos Chandras	select MIPS_SPRAM
20985e83d430SRalf Baechle
2099ab7c01fdSSerge Seminconfig CPU_MIPSR5
2100ab7c01fdSSerge Semin	bool
2101281e3aeaSSerge Semin	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
2102ab7c01fdSSerge Semin	select CPU_HAS_RIXI
2103ab7c01fdSSerge Semin	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2104ab7c01fdSSerge Semin	select MIPS_SPRAM
2105ab7c01fdSSerge Semin
21067fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6
21077fd08ca5SLeonid Yegoshin	bool
21087fd08ca5SLeonid Yegoshin	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
21098256b17eSFlorian Fainelli	select CPU_HAS_RIXI
2110ba9196d2SJiaxun Yang	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
211187321fddSPaul Burton	select HAVE_ARCH_BITREVERSE
21122db003a5SPaul Burton	select MIPS_ASID_BITS_VARIABLE
21134a5dc51eSMarcin Nowakowski	select MIPS_CRC_SUPPORT
2114a7e07b1aSMarkos Chandras	select MIPS_SPRAM
21155e83d430SRalf Baechle
211657eeacedSPaul Burtonconfig TARGET_ISA_REV
211757eeacedSPaul Burton	int
211857eeacedSPaul Burton	default 1 if CPU_MIPSR1
211957eeacedSPaul Burton	default 2 if CPU_MIPSR2
2120ab7c01fdSSerge Semin	default 5 if CPU_MIPSR5
212157eeacedSPaul Burton	default 6 if CPU_MIPSR6
212257eeacedSPaul Burton	default 0
212357eeacedSPaul Burton	help
212457eeacedSPaul Burton	  Reflects the ISA revision being targeted by the kernel build. This
212557eeacedSPaul Burton	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
212657eeacedSPaul Burton
2127a6e18781SLeonid Yegoshinconfig EVA
2128a6e18781SLeonid Yegoshin	bool
2129a6e18781SLeonid Yegoshin
2130c5b36783SSteven J. Hillconfig XPA
2131c5b36783SSteven J. Hill	bool
2132c5b36783SSteven J. Hill
21335e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL
21345e83d430SRalf Baechle	bool
21355e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL
21365e83d430SRalf Baechle	bool
21375e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL
21385e83d430SRalf Baechle	bool
21395e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL
21405e83d430SRalf Baechle	bool
214155045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ
214255045ff5SWu Zhangjin	bool
214355045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG
214455045ff5SWu Zhangjin	bool
21459cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES
21469cffd154SDavid Daney	bool
2147171543e7SDaniel Silsby	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
214882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT
214982622284SDavid Daney	bool
2150cebf8c0fSPaul Burton	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
21515e83d430SRalf Baechle
21528192c9eaSDavid Daney#
21538192c9eaSDavid Daney# Set to y for ptrace access to watch registers.
21548192c9eaSDavid Daney#
21558192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS
21568192c9eaSDavid Daney	bool
2157679eb637SJames Hogan	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
21588192c9eaSDavid Daney
21595e83d430SRalf Baechlemenu "Kernel type"
21605e83d430SRalf Baechle
21615e83d430SRalf Baechlechoice
21625e83d430SRalf Baechle	prompt "Kernel code model"
21635e83d430SRalf Baechle	help
21645e83d430SRalf Baechle	  You should only select this option if you have a workload that
21655e83d430SRalf Baechle	  actually benefits from 64-bit processing or if your machine has
21665e83d430SRalf Baechle	  large memory.  You will only be presented a single option in this
21675e83d430SRalf Baechle	  menu if your system does not support both 32-bit and 64-bit kernels.
21685e83d430SRalf Baechle
21695e83d430SRalf Baechleconfig 32BIT
21705e83d430SRalf Baechle	bool "32-bit kernel"
21715e83d430SRalf Baechle	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
21725e83d430SRalf Baechle	select TRAD_SIGNALS
21735e83d430SRalf Baechle	help
21745e83d430SRalf Baechle	  Select this option if you want to build a 32-bit kernel.
2175f17c4ca3SRalf Baechle
21765e83d430SRalf Baechleconfig 64BIT
21775e83d430SRalf Baechle	bool "64-bit kernel"
21785e83d430SRalf Baechle	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
21795e83d430SRalf Baechle	help
21805e83d430SRalf Baechle	  Select this option if you want to build a 64-bit kernel.
21815e83d430SRalf Baechle
21825e83d430SRalf Baechleendchoice
21835e83d430SRalf Baechle
21842235a54dSSanjay Lalconfig KVM_GUEST
21852235a54dSSanjay Lal	bool "KVM Guest Kernel"
218601edc5e7SJiaxun Yang	depends on CPU_MIPS32_R2
2187f2a5b1d7SJames Hogan	depends on BROKEN_ON_SMP
21882235a54dSSanjay Lal	help
2189caa1faa7SJames Hogan	  Select this option if building a guest kernel for KVM (Trap & Emulate)
2190caa1faa7SJames Hogan	  mode.
21912235a54dSSanjay Lal
2192eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ
2193eda3d33cSJames Hogan	int "Count/Compare Timer Frequency (MHz)"
21942235a54dSSanjay Lal	depends on KVM_GUEST
2195eda3d33cSJames Hogan	default 100
21962235a54dSSanjay Lal	help
2197eda3d33cSJames Hogan	  Set this to non-zero if building a guest kernel for KVM to skip RTC
2198eda3d33cSJames Hogan	  emulation when determining guest CPU Frequency. Instead, the guest's
2199eda3d33cSJames Hogan	  timer frequency is specified directly.
22002235a54dSSanjay Lal
22011e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48
22021e321fa9SLeonid Yegoshin	bool "48 bits virtual memory"
22031e321fa9SLeonid Yegoshin	depends on 64BIT
22041e321fa9SLeonid Yegoshin	help
22053377e227SAlex Belits	  Support a maximum at least 48 bits of application virtual
22063377e227SAlex Belits	  memory.  Default is 40 bits or less, depending on the CPU.
22073377e227SAlex Belits	  For page sizes 16k and above, this option results in a small
22083377e227SAlex Belits	  memory overhead for page tables.  For 4k page size, a fourth
22093377e227SAlex Belits	  level of page tables is added which imposes both a memory
22103377e227SAlex Belits	  overhead as well as slower TLB fault handling.
22113377e227SAlex Belits
22121e321fa9SLeonid Yegoshin	  If unsure, say N.
22131e321fa9SLeonid Yegoshin
22141da177e4SLinus Torvaldschoice
22151da177e4SLinus Torvalds	prompt "Kernel page size"
22161da177e4SLinus Torvalds	default PAGE_SIZE_4KB
22171da177e4SLinus Torvalds
22181da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB
22191da177e4SLinus Torvalds	bool "4kB"
2220268a2d60SJiaxun Yang	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
22211da177e4SLinus Torvalds	help
22221da177e4SLinus Torvalds	  This option select the standard 4kB Linux page size.  On some
22231da177e4SLinus Torvalds	  R3000-family processors this is the only available page size.  Using
22241da177e4SLinus Torvalds	  4kB page size will minimize memory consumption and is therefore
22251da177e4SLinus Torvalds	  recommended for low memory systems.
22261da177e4SLinus Torvalds
22271da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB
22281da177e4SLinus Torvalds	bool "8kB"
2229c2aeaaeaSPaul Burton	depends on CPU_CAVIUM_OCTEON
22301e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
22311da177e4SLinus Torvalds	help
22321da177e4SLinus Torvalds	  Using 8kB page size will result in higher performance kernel at
22331da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available
2234c2aeaaeaSPaul Burton	  only on cnMIPS processors.  Note that you will need a suitable Linux
2235c2aeaaeaSPaul Burton	  distribution to support this.
22361da177e4SLinus Torvalds
22371da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB
22381da177e4SLinus Torvalds	bool "16kB"
2239714bfad6SRalf Baechle	depends on !CPU_R3000 && !CPU_TX39XX
22401da177e4SLinus Torvalds	help
22411da177e4SLinus Torvalds	  Using 16kB page size will result in higher performance kernel at
22421da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
2243714bfad6SRalf Baechle	  all non-R3000 family processors.  Note that you will need a suitable
2244714bfad6SRalf Baechle	  Linux distribution to support this.
22451da177e4SLinus Torvalds
2246c52399beSRalf Baechleconfig PAGE_SIZE_32KB
2247c52399beSRalf Baechle	bool "32kB"
2248c52399beSRalf Baechle	depends on CPU_CAVIUM_OCTEON
22491e321fa9SLeonid Yegoshin	depends on !MIPS_VA_BITS_48
2250c52399beSRalf Baechle	help
2251c52399beSRalf Baechle	  Using 32kB page size will result in higher performance kernel at
2252c52399beSRalf Baechle	  the price of higher memory consumption.  This option is available
2253c52399beSRalf Baechle	  only on cnMIPS cores.  Note that you will need a suitable Linux
2254c52399beSRalf Baechle	  distribution to support this.
2255c52399beSRalf Baechle
22561da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB
22571da177e4SLinus Torvalds	bool "64kB"
22583b2db173SPaul Burton	depends on !CPU_R3000 && !CPU_TX39XX
22591da177e4SLinus Torvalds	help
22601da177e4SLinus Torvalds	  Using 64kB page size will result in higher performance kernel at
22611da177e4SLinus Torvalds	  the price of higher memory consumption.  This option is available on
22621da177e4SLinus Torvalds	  all non-R3000 family processor.  Not that at the time of this
2263714bfad6SRalf Baechle	  writing this option is still high experimental.
22641da177e4SLinus Torvalds
22651da177e4SLinus Torvaldsendchoice
22661da177e4SLinus Torvalds
2267c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER
2268c9bace7cSDavid Daney	int "Maximum zone order"
2269e4362d1eSAlex Smith	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2270e4362d1eSAlex Smith	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2271e4362d1eSAlex Smith	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2272e4362d1eSAlex Smith	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2273e4362d1eSAlex Smith	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2274e4362d1eSAlex Smith	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2275c9bace7cSDavid Daney	range 11 64
2276c9bace7cSDavid Daney	default "11"
2277c9bace7cSDavid Daney	help
2278c9bace7cSDavid Daney	  The kernel memory allocator divides physically contiguous memory
2279c9bace7cSDavid Daney	  blocks into "zones", where each zone is a power of two number of
2280c9bace7cSDavid Daney	  pages.  This option selects the largest power of two that the kernel
2281c9bace7cSDavid Daney	  keeps in the memory allocator.  If you need to allocate very large
2282c9bace7cSDavid Daney	  blocks of physically contiguous memory, then you may need to
2283c9bace7cSDavid Daney	  increase this value.
2284c9bace7cSDavid Daney
2285c9bace7cSDavid Daney	  This config option is actually maximum order plus one. For example,
2286c9bace7cSDavid Daney	  a value of 11 means that the largest free memory block is 2^10 pages.
2287c9bace7cSDavid Daney
2288c9bace7cSDavid Daney	  The page size is not necessarily 4KB.  Keep this in mind
2289c9bace7cSDavid Daney	  when choosing a value for this option.
2290c9bace7cSDavid Daney
22911da177e4SLinus Torvaldsconfig BOARD_SCACHE
22921da177e4SLinus Torvalds	bool
22931da177e4SLinus Torvalds
22941da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE
22951da177e4SLinus Torvalds	bool
22961da177e4SLinus Torvalds	select BOARD_SCACHE
22971da177e4SLinus Torvalds
22989318c51aSChris Dearman#
22999318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches
23009318c51aSChris Dearman#
23019318c51aSChris Dearmanconfig MIPS_CPU_SCACHE
23029318c51aSChris Dearman	bool
23039318c51aSChris Dearman	select BOARD_SCACHE
23049318c51aSChris Dearman
23051da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE
23061da177e4SLinus Torvalds	bool
23071da177e4SLinus Torvalds	select BOARD_SCACHE
23081da177e4SLinus Torvalds
23091da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE
23101da177e4SLinus Torvalds	bool
23111da177e4SLinus Torvalds	select BOARD_SCACHE
23121da177e4SLinus Torvalds
23131da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS
23141da177e4SLinus Torvalds	bool "Use DMA to clear/copy pages"
23151da177e4SLinus Torvalds	depends on CPU_SB1
23161da177e4SLinus Torvalds	help
23171da177e4SLinus Torvalds	  Instead of using the CPU to zero and copy pages, use a Data Mover
23181da177e4SLinus Torvalds	  channel.  These DMA channels are otherwise unused by the standard
23191da177e4SLinus Torvalds	  SiByte Linux port.  Seems to give a small performance benefit.
23201da177e4SLinus Torvalds
23211da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH
2322c8094b53SRalf Baechle	bool
23231da177e4SLinus Torvalds
23243165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB
23253165c846SFlorian Fainelli	bool
2326c2aeaaeaSPaul Burton	default y if !(CPU_R3000 || CPU_TX39XX)
23273165c846SFlorian Fainelli
2328c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT
2329183b40f9SPaul Burton	bool "Floating Point support" if EXPERT
2330183b40f9SPaul Burton	default y
2331183b40f9SPaul Burton	help
2332183b40f9SPaul Burton	  Select y to include support for floating point in the kernel
2333183b40f9SPaul Burton	  including initialization of FPU hardware, FP context save & restore
2334183b40f9SPaul Burton	  and emulation of an FPU where necessary. Without this support any
2335183b40f9SPaul Burton	  userland program attempting to use floating point instructions will
2336183b40f9SPaul Burton	  receive a SIGILL.
2337183b40f9SPaul Burton
2338183b40f9SPaul Burton	  If you know that your userland will not attempt to use floating point
2339183b40f9SPaul Burton	  instructions then you can say n here to shrink the kernel a little.
2340183b40f9SPaul Burton
2341183b40f9SPaul Burton	  If unsure, say y.
2342c92e47e5SPaul Burton
234397f7dcbfSPaul Burtonconfig CPU_R2300_FPU
234497f7dcbfSPaul Burton	bool
2345c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
234697f7dcbfSPaul Burton	default y if CPU_R3000 || CPU_TX39XX
234797f7dcbfSPaul Burton
234854746829SPaul Burtonconfig CPU_R3K_TLB
234954746829SPaul Burton	bool
235054746829SPaul Burton
235191405eb6SFlorian Fainelliconfig CPU_R4K_FPU
235291405eb6SFlorian Fainelli	bool
2353c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
235497f7dcbfSPaul Burton	default y if !CPU_R2300_FPU
235591405eb6SFlorian Fainelli
235662cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB
235762cedc4fSFlorian Fainelli	bool
235854746829SPaul Burton	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
235962cedc4fSFlorian Fainelli
236059d6ab86SRalf Baechleconfig MIPS_MT_SMP
2361a92b7f87SMarkos Chandras	bool "MIPS MT SMP support (1 TC on each available VPE)"
23625cbf9688SPaul Burton	default y
2363527f1028SPaul Burton	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
236459d6ab86SRalf Baechle	select CPU_MIPSR2_IRQ_VI
2365d725cf38SChris Dearman	select CPU_MIPSR2_IRQ_EI
2366c080faa5SSteven J. Hill	select SYNC_R4K
236759d6ab86SRalf Baechle	select MIPS_MT
236859d6ab86SRalf Baechle	select SMP
236987353d8aSRalf Baechle	select SMP_UP
2370c080faa5SSteven J. Hill	select SYS_SUPPORTS_SMP
2371c080faa5SSteven J. Hill	select SYS_SUPPORTS_SCHED_SMT
2372399aaa25SAl Cooper	select MIPS_PERF_SHARED_TC_COUNTERS
237359d6ab86SRalf Baechle	help
2374c080faa5SSteven J. Hill	  This is a kernel model which is known as SMVP. This is supported
2375c080faa5SSteven J. Hill	  on cores with the MT ASE and uses the available VPEs to implement
2376c080faa5SSteven J. Hill	  virtual processors which supports SMP. This is equivalent to the
2377c080faa5SSteven J. Hill	  Intel Hyperthreading feature. For further information go to
2378c080faa5SSteven J. Hill	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
237959d6ab86SRalf Baechle
2380f41ae0b2SRalf Baechleconfig MIPS_MT
2381f41ae0b2SRalf Baechle	bool
2382f41ae0b2SRalf Baechle
23830ab7aefcSRalf Baechleconfig SCHED_SMT
23840ab7aefcSRalf Baechle	bool "SMT (multithreading) scheduler support"
23850ab7aefcSRalf Baechle	depends on SYS_SUPPORTS_SCHED_SMT
23860ab7aefcSRalf Baechle	default n
23870ab7aefcSRalf Baechle	help
23880ab7aefcSRalf Baechle	  SMT scheduler support improves the CPU scheduler's decision making
23890ab7aefcSRalf Baechle	  when dealing with MIPS MT enabled cores at a cost of slightly
23900ab7aefcSRalf Baechle	  increased overhead in some places. If unsure say N here.
23910ab7aefcSRalf Baechle
23920ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT
23930ab7aefcSRalf Baechle	bool
23940ab7aefcSRalf Baechle
2395f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING
2396f41ae0b2SRalf Baechle	bool
2397f41ae0b2SRalf Baechle
2398f088fc84SRalf Baechleconfig MIPS_MT_FPAFF
2399f088fc84SRalf Baechle	bool "Dynamic FPU affinity for FP-intensive threads"
2400f088fc84SRalf Baechle	default y
2401b633648cSRalf Baechle	depends on MIPS_MT_SMP
240207cc0c9eSRalf Baechle
2403b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR
2404b0a668fbSLeonid Yegoshin	bool "MIPS R2-to-R6 emulator"
24059eaa9a82SPaul Burton	depends on CPU_MIPSR6
2406c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
2407b0a668fbSLeonid Yegoshin	default y
2408b0a668fbSLeonid Yegoshin	help
2409b0a668fbSLeonid Yegoshin	  Choose this option if you want to run non-R6 MIPS userland code.
2410b0a668fbSLeonid Yegoshin	  Even if you say 'Y' here, the emulator will still be disabled by
241107edf0d4SMarkos Chandras	  default. You can enable it using the 'mipsr2emu' kernel option.
2412b0a668fbSLeonid Yegoshin	  The only reason this is a build-time option is to save ~14K from the
2413b0a668fbSLeonid Yegoshin	  final kernel image.
2414b0a668fbSLeonid Yegoshin
2415f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER
2416f35764e7SJames Hogan	bool
2417f35764e7SJames Hogan	depends on SYS_SUPPORTS_MULTITHREADING
2418f35764e7SJames Hogan	help
2419f35764e7SJames Hogan	  Indicates that the platform supports the VPE loader, and provides
2420f35764e7SJames Hogan	  physical_memsize.
2421f35764e7SJames Hogan
242207cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER
242307cc0c9eSRalf Baechle	bool "VPE loader support."
2424f35764e7SJames Hogan	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
242507cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_VI
242607cc0c9eSRalf Baechle	select CPU_MIPSR2_IRQ_EI
242707cc0c9eSRalf Baechle	select MIPS_MT
242807cc0c9eSRalf Baechle	help
242907cc0c9eSRalf Baechle	  Includes a loader for loading an elf relocatable object
243007cc0c9eSRalf Baechle	  onto another VPE and running it.
2431f088fc84SRalf Baechle
243217a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP
243317a1d523SDeng-Cheng Zhu	bool
243417a1d523SDeng-Cheng Zhu	default "y"
243517a1d523SDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && MIPS_CMP
243617a1d523SDeng-Cheng Zhu
24371a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT
24381a2a6d7eSDeng-Cheng Zhu	bool
24391a2a6d7eSDeng-Cheng Zhu	default "y"
24401a2a6d7eSDeng-Cheng Zhu	depends on MIPS_VPE_LOADER && !MIPS_CMP
24411a2a6d7eSDeng-Cheng Zhu
2442e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM
2443e01402b1SRalf Baechle	bool "Load VPE program into memory hidden from linux"
2444e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2445e01402b1SRalf Baechle	default y
2446e01402b1SRalf Baechle	help
2447e01402b1SRalf Baechle	  The loader can use memory that is present but has been hidden from
2448e01402b1SRalf Baechle	  Linux using the kernel command line option "mem=xxMB". It's up to
2449e01402b1SRalf Baechle	  you to ensure the amount you put in the option and the space your
2450e01402b1SRalf Baechle	  program requires is less or equal to the amount physically present.
2451e01402b1SRalf Baechle
2452e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API
2453e01402b1SRalf Baechle	bool "Enable support for AP/SP API (RTLX)"
2454e01402b1SRalf Baechle	depends on MIPS_VPE_LOADER
2455e01402b1SRalf Baechle
2456da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP
2457da615cf6SDeng-Cheng Zhu	bool
2458da615cf6SDeng-Cheng Zhu	default "y"
2459da615cf6SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && MIPS_CMP
2460da615cf6SDeng-Cheng Zhu
24612c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT
24622c973ef0SDeng-Cheng Zhu	bool
24632c973ef0SDeng-Cheng Zhu	default "y"
24642c973ef0SDeng-Cheng Zhu	depends on MIPS_VPE_APSP_API && !MIPS_CMP
24652c973ef0SDeng-Cheng Zhu
24664a16ff4cSRalf Baechleconfig MIPS_CMP
24675cac93b3SPaul Burton	bool "MIPS CMP framework support (DEPRECATED)"
24685676319cSMarkos Chandras	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2469b10b43baSMarkos Chandras	select SMP
2470eb9b5141STim Anderson	select SYNC_R4K
2471b10b43baSMarkos Chandras	select SYS_SUPPORTS_SMP
24724a16ff4cSRalf Baechle	select WEAK_ORDERING
24734a16ff4cSRalf Baechle	default n
24744a16ff4cSRalf Baechle	help
2475044505c7SPaul Burton	  Select this if you are using a bootloader which implements the "CMP
2476044505c7SPaul Burton	  framework" protocol (ie. YAMON) and want your kernel to make use of
2477044505c7SPaul Burton	  its ability to start secondary CPUs.
24784a16ff4cSRalf Baechle
24795cac93b3SPaul Burton	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
24805cac93b3SPaul Burton	  instead of this.
24815cac93b3SPaul Burton
24820ee958e1SPaul Burtonconfig MIPS_CPS
24830ee958e1SPaul Burton	bool "MIPS Coherent Processing System support"
24845a3e7c02SPaul Burton	depends on SYS_SUPPORTS_MIPS_CPS
24850ee958e1SPaul Burton	select MIPS_CM
24861d8f1f5aSPaul Burton	select MIPS_CPS_PM if HOTPLUG_CPU
24870ee958e1SPaul Burton	select SMP
24880ee958e1SPaul Burton	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
24891d8f1f5aSPaul Burton	select SYS_SUPPORTS_HOTPLUG_CPU
2490c8b7712cSPaul Burton	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
24910ee958e1SPaul Burton	select SYS_SUPPORTS_SMP
24920ee958e1SPaul Burton	select WEAK_ORDERING
24930ee958e1SPaul Burton	help
24940ee958e1SPaul Burton	  Select this if you wish to run an SMP kernel across multiple cores
24950ee958e1SPaul Burton	  within a MIPS Coherent Processing System. When this option is
24960ee958e1SPaul Burton	  enabled the kernel will probe for other cores and boot them with
24970ee958e1SPaul Burton	  no external assistance. It is safe to enable this when hardware
24980ee958e1SPaul Burton	  support is unavailable.
24990ee958e1SPaul Burton
25003179d37eSPaul Burtonconfig MIPS_CPS_PM
250139a59593SMarkos Chandras	depends on MIPS_CPS
25023179d37eSPaul Burton	bool
25033179d37eSPaul Burton
25049f98f3ddSPaul Burtonconfig MIPS_CM
25059f98f3ddSPaul Burton	bool
25063c9b4166SPaul Burton	select MIPS_CPC
25079f98f3ddSPaul Burton
25089c38cf44SPaul Burtonconfig MIPS_CPC
25099c38cf44SPaul Burton	bool
25102600990eSRalf Baechle
25111da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS
25121da177e4SLinus Torvalds	bool
25131da177e4SLinus Torvalds	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
25141da177e4SLinus Torvalds	default y
25151da177e4SLinus Torvalds
25161da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS
25171da177e4SLinus Torvalds	bool
25181da177e4SLinus Torvalds	depends on CPU_SB1 && CPU_SB1_PASS_2
25191da177e4SLinus Torvalds	default y
25201da177e4SLinus Torvalds
25219e2b5372SMarkos Chandraschoice
25229e2b5372SMarkos Chandras	prompt "SmartMIPS or microMIPS ASE support"
25239e2b5372SMarkos Chandras
25249e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
25259e2b5372SMarkos Chandras	bool "None"
25269e2b5372SMarkos Chandras	help
25279e2b5372SMarkos Chandras	  Select this if you want neither microMIPS nor SmartMIPS support
25289e2b5372SMarkos Chandras
25299693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS
25309693a853SFranck Bui-Huu	depends on SYS_SUPPORTS_SMARTMIPS
25319e2b5372SMarkos Chandras	bool "SmartMIPS"
25329693a853SFranck Bui-Huu	help
25339693a853SFranck Bui-Huu	  SmartMIPS is a extension of the MIPS32 architecture aimed at
25349693a853SFranck Bui-Huu	  increased security at both hardware and software level for
25359693a853SFranck Bui-Huu	  smartcards.  Enabling this option will allow proper use of the
25369693a853SFranck Bui-Huu	  SmartMIPS instructions by Linux applications.  However a kernel with
25379693a853SFranck Bui-Huu	  this option will not work on a MIPS core without SmartMIPS core.  If
25389693a853SFranck Bui-Huu	  you don't know you probably don't have SmartMIPS and should say N
25399693a853SFranck Bui-Huu	  here.
25409693a853SFranck Bui-Huu
2541bce86083SSteven J. Hillconfig CPU_MICROMIPS
25427fd08ca5SLeonid Yegoshin	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
25439e2b5372SMarkos Chandras	bool "microMIPS"
2544bce86083SSteven J. Hill	help
2545bce86083SSteven J. Hill	  When this option is enabled the kernel will be built using the
2546bce86083SSteven J. Hill	  microMIPS ISA
2547bce86083SSteven J. Hill
25489e2b5372SMarkos Chandrasendchoice
25499e2b5372SMarkos Chandras
2550a5e9a69eSPaul Burtonconfig CPU_HAS_MSA
25510ce3417eSPaul Burton	bool "Support for the MIPS SIMD Architecture"
2552a5e9a69eSPaul Burton	depends on CPU_SUPPORTS_MSA
2553c92e47e5SPaul Burton	depends on MIPS_FP_SUPPORT
25542a6cb669SPaul Burton	depends on 64BIT || MIPS_O32_FP64_SUPPORT
2555a5e9a69eSPaul Burton	help
2556a5e9a69eSPaul Burton	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2557a5e9a69eSPaul Burton	  and a set of SIMD instructions to operate on them. When this option
25581db1af84SPaul Burton	  is enabled the kernel will support allocating & switching MSA
25591db1af84SPaul Burton	  vector register contexts. If you know that your kernel will only be
25601db1af84SPaul Burton	  running on CPUs which do not support MSA or that your userland will
25611db1af84SPaul Burton	  not be making use of it then you may wish to say N here to reduce
25621db1af84SPaul Burton	  the size & complexity of your kernel.
2563a5e9a69eSPaul Burton
2564a5e9a69eSPaul Burton	  If unsure, say Y.
2565a5e9a69eSPaul Burton
25661da177e4SLinus Torvaldsconfig CPU_HAS_WB
2567f7062ddbSRalf Baechle	bool
2568e01402b1SRalf Baechle
2569df0ac8a4SKevin Cernekeeconfig XKS01
2570df0ac8a4SKevin Cernekee	bool
2571df0ac8a4SKevin Cernekee
2572ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI
2573ba9196d2SJiaxun Yang	depends on !CPU_DIEI_BROKEN
2574ba9196d2SJiaxun Yang	bool
2575ba9196d2SJiaxun Yang
2576ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN
2577ba9196d2SJiaxun Yang	bool
2578ba9196d2SJiaxun Yang
25798256b17eSFlorian Fainelliconfig CPU_HAS_RIXI
25808256b17eSFlorian Fainelli	bool
25818256b17eSFlorian Fainelli
258218d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR
2583932afdeeSYasha Cherikovsky	bool
2584932afdeeSYasha Cherikovsky	help
258518d84e2eSAlexander Lobakin	  CPU lacks support for unaligned load and store instructions:
2586932afdeeSYasha Cherikovsky	  LWL, LWR, SWL, SWR (Load/store word left/right).
258718d84e2eSAlexander Lobakin	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
258818d84e2eSAlexander Lobakin	  systems).
2589932afdeeSYasha Cherikovsky
2590f41ae0b2SRalf Baechle#
2591f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature
2592f41ae0b2SRalf Baechle#
2593e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI
2594f41ae0b2SRalf Baechle	bool
2595e01402b1SRalf Baechle
2596f41ae0b2SRalf Baechle#
2597f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature
2598f41ae0b2SRalf Baechle#
2599e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI
2600f41ae0b2SRalf Baechle	bool
2601e01402b1SRalf Baechle
26021da177e4SLinus Torvaldsconfig CPU_HAS_SYNC
26031da177e4SLinus Torvalds	bool
26041da177e4SLinus Torvalds	depends on !CPU_R3000
26051da177e4SLinus Torvalds	default y
26061da177e4SLinus Torvalds
26071da177e4SLinus Torvalds#
260820d60d99SMaciej W. Rozycki# CPU non-features
260920d60d99SMaciej W. Rozycki#
261020d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS
261120d60d99SMaciej W. Rozycki	bool
261220d60d99SMaciej W. Rozycki
261320d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS
261420d60d99SMaciej W. Rozycki	bool
261520d60d99SMaciej W. Rozycki	select CPU_R4400_WORKAROUNDS
261620d60d99SMaciej W. Rozycki
261720d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS
261820d60d99SMaciej W. Rozycki	bool
261920d60d99SMaciej W. Rozycki
2620071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64
2621071d2f0bSPaul Burton	bool
2622071d2f0bSPaul Burton	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2623071d2f0bSPaul Burton
26244edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT
26254edf00a4SPaul Burton	int
26264edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26274edf00a4SPaul Burton	default 0
26284edf00a4SPaul Burton
26294edf00a4SPaul Burtonconfig MIPS_ASID_BITS
26304edf00a4SPaul Burton	int
26312db003a5SPaul Burton	default 0 if MIPS_ASID_BITS_VARIABLE
26324edf00a4SPaul Burton	default 6 if CPU_R3000 || CPU_TX39XX
26334edf00a4SPaul Burton	default 8
26344edf00a4SPaul Burton
26352db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE
26362db003a5SPaul Burton	bool
26372db003a5SPaul Burton
26384a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT
26394a5dc51eSMarcin Nowakowski	bool
26404a5dc51eSMarcin Nowakowski
264120d60d99SMaciej W. Rozycki#
26421da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel.
26431da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed
26441da177e4SLinus Torvalds#   caches such as R3000, SB1, R7000 or those that look like they're virtually
26451da177e4SLinus Torvalds#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
26461da177e4SLinus Torvalds#   moment we protect the user and offer the highmem option only on machines
26471da177e4SLinus Torvalds#   where it's known to be safe.  This will not offer highmem on a few systems
26481da177e4SLinus Torvalds#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
26491da177e4SLinus Torvalds#   indexed CPUs but we're playing safe.
2650797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2651797798c1SRalf Baechle#   know they might have memory configurations that could make use of highmem
2652797798c1SRalf Baechle#   support.
26531da177e4SLinus Torvalds#
26541da177e4SLinus Torvaldsconfig HIGHMEM
26551da177e4SLinus Torvalds	bool "High Memory Support"
2656a6e18781SLeonid Yegoshin	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2657797798c1SRalf Baechle
2658797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM
2659797798c1SRalf Baechle	bool
2660797798c1SRalf Baechle
2661797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM
2662797798c1SRalf Baechle	bool
26631da177e4SLinus Torvalds
26649693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS
26659693a853SFranck Bui-Huu	bool
26669693a853SFranck Bui-Huu
2667a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS
2668a6a4834cSSteven J. Hill	bool
2669a6a4834cSSteven J. Hill
2670377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16
2671377cb1b6SRalf Baechle	bool
2672377cb1b6SRalf Baechle	help
2673377cb1b6SRalf Baechle	  This option must be set if a kernel might be executed on a MIPS16-
2674377cb1b6SRalf Baechle	  enabled CPU even if MIPS16 is not actually being used.  In other
2675377cb1b6SRalf Baechle	  words, it makes the kernel MIPS16-tolerant.
2676377cb1b6SRalf Baechle
2677a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA
2678a5e9a69eSPaul Burton	bool
2679a5e9a69eSPaul Burton
2680b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE
2681b4819b59SYoichi Yuasa	def_bool y
2682268a2d60SJiaxun Yang	depends on !NUMA && !CPU_LOONGSON2EF
2683b4819b59SYoichi Yuasa
2684b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE
2685b1c6cd42SAtsushi Nemoto	bool
2686397dc00eSMike Rapoport	select SPARSEMEM_STATIC if !SGI_IP27
268731473747SAtsushi Nemoto
2688d8cb4e11SRalf Baechleconfig NUMA
2689d8cb4e11SRalf Baechle	bool "NUMA Support"
2690d8cb4e11SRalf Baechle	depends on SYS_SUPPORTS_NUMA
2691d8cb4e11SRalf Baechle	help
2692d8cb4e11SRalf Baechle	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2693d8cb4e11SRalf Baechle	  Access).  This option improves performance on systems with more
2694d8cb4e11SRalf Baechle	  than two nodes; on two node systems it is generally better to
2695172a37e9SRandy Dunlap	  leave it disabled; on single node systems leave this option
2696d8cb4e11SRalf Baechle	  disabled.
2697d8cb4e11SRalf Baechle
2698d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA
2699d8cb4e11SRalf Baechle	bool
2700d8cb4e11SRalf Baechle
2701f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA
2702f3c560a6SThomas Bogendoerfer	def_bool y
2703f3c560a6SThomas Bogendoerfer	depends on NUMA
2704f3c560a6SThomas Bogendoerfer
2705f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK
2706f3c560a6SThomas Bogendoerfer	def_bool y
2707f3c560a6SThomas Bogendoerfer	depends on NUMA
2708f3c560a6SThomas Bogendoerfer
27098c530ea3SMatt Redfearnconfig RELOCATABLE
27108c530ea3SMatt Redfearn	bool "Relocatable kernel"
2711ab7c01fdSSerge Semin	depends on SYS_SUPPORTS_RELOCATABLE
2712ab7c01fdSSerge Semin	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2713ab7c01fdSSerge Semin		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2714ab7c01fdSSerge Semin		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2715281e3aeaSSerge Semin		   CPU_P5600 || CAVIUM_OCTEON_SOC
27168c530ea3SMatt Redfearn	help
27178c530ea3SMatt Redfearn	  This builds a kernel image that retains relocation information
27188c530ea3SMatt Redfearn	  so it can be loaded someplace besides the default 1MB.
27198c530ea3SMatt Redfearn	  The relocations make the kernel binary about 15% larger,
27208c530ea3SMatt Redfearn	  but are discarded at runtime
27218c530ea3SMatt Redfearn
2722069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE
2723069fd766SMatt Redfearn	hex "Relocation table size"
2724069fd766SMatt Redfearn	depends on RELOCATABLE
2725069fd766SMatt Redfearn	range 0x0 0x01000000
2726069fd766SMatt Redfearn	default "0x00100000"
2727a7f7f624SMasahiro Yamada	help
2728069fd766SMatt Redfearn	  A table of relocation data will be appended to the kernel binary
2729069fd766SMatt Redfearn	  and parsed at boot to fix up the relocated kernel.
2730069fd766SMatt Redfearn
2731069fd766SMatt Redfearn	  This option allows the amount of space reserved for the table to be
2732069fd766SMatt Redfearn	  adjusted, although the default of 1Mb should be ok in most cases.
2733069fd766SMatt Redfearn
2734069fd766SMatt Redfearn	  The build will fail and a valid size suggested if this is too small.
2735069fd766SMatt Redfearn
2736069fd766SMatt Redfearn	  If unsure, leave at the default value.
2737069fd766SMatt Redfearn
2738405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE
2739405bc8fdSMatt Redfearn	bool "Randomize the address of the kernel image"
2740405bc8fdSMatt Redfearn	depends on RELOCATABLE
2741a7f7f624SMasahiro Yamada	help
2742405bc8fdSMatt Redfearn	  Randomizes the physical and virtual address at which the
2743405bc8fdSMatt Redfearn	  kernel image is loaded, as a security feature that
2744405bc8fdSMatt Redfearn	  deters exploit attempts relying on knowledge of the location
2745405bc8fdSMatt Redfearn	  of kernel internals.
2746405bc8fdSMatt Redfearn
2747405bc8fdSMatt Redfearn	  Entropy is generated using any coprocessor 0 registers available.
2748405bc8fdSMatt Redfearn
2749405bc8fdSMatt Redfearn	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2750405bc8fdSMatt Redfearn
2751405bc8fdSMatt Redfearn	  If unsure, say N.
2752405bc8fdSMatt Redfearn
2753405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET
2754405bc8fdSMatt Redfearn	hex "Maximum kASLR offset" if EXPERT
2755405bc8fdSMatt Redfearn	depends on RANDOMIZE_BASE
2756405bc8fdSMatt Redfearn	range 0x0 0x40000000 if EVA || 64BIT
2757405bc8fdSMatt Redfearn	range 0x0 0x08000000
2758405bc8fdSMatt Redfearn	default "0x01000000"
2759a7f7f624SMasahiro Yamada	help
2760405bc8fdSMatt Redfearn	  When kASLR is active, this provides the maximum offset that will
2761405bc8fdSMatt Redfearn	  be applied to the kernel image. It should be set according to the
2762405bc8fdSMatt Redfearn	  amount of physical RAM available in the target system minus
2763405bc8fdSMatt Redfearn	  PHYSICAL_START and must be a power of 2.
2764405bc8fdSMatt Redfearn
2765405bc8fdSMatt Redfearn	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2766405bc8fdSMatt Redfearn	  EVA or 64-bit. The default is 16Mb.
2767405bc8fdSMatt Redfearn
2768c80d79d7SYasunori Gotoconfig NODES_SHIFT
2769c80d79d7SYasunori Goto	int
2770c80d79d7SYasunori Goto	default "6"
2771c80d79d7SYasunori Goto	depends on NEED_MULTIPLE_NODES
2772c80d79d7SYasunori Goto
277314f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS
277414f70012SDeng-Cheng Zhu	bool "Enable hardware performance counter support for perf events"
2775268a2d60SJiaxun Yang	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
277614f70012SDeng-Cheng Zhu	default y
277714f70012SDeng-Cheng Zhu	help
277814f70012SDeng-Cheng Zhu	  Enable hardware performance counter support for perf events. If
277914f70012SDeng-Cheng Zhu	  disabled, perf events will use software events only.
278014f70012SDeng-Cheng Zhu
2781be8fa1cbSTiezhu Yangconfig DMI
2782be8fa1cbSTiezhu Yang	bool "Enable DMI scanning"
2783be8fa1cbSTiezhu Yang	depends on MACH_LOONGSON64
2784be8fa1cbSTiezhu Yang	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2785be8fa1cbSTiezhu Yang	default y
2786be8fa1cbSTiezhu Yang	help
2787be8fa1cbSTiezhu Yang	  Enabled scanning of DMI to identify machine quirks. Say Y
2788be8fa1cbSTiezhu Yang	  here unless you have verified that your setup is not
2789be8fa1cbSTiezhu Yang	  affected by entries in the DMI blacklist. Required by PNP
2790be8fa1cbSTiezhu Yang	  BIOS code.
2791be8fa1cbSTiezhu Yang
27921da177e4SLinus Torvaldsconfig SMP
27931da177e4SLinus Torvalds	bool "Multi-Processing support"
2794e73ea273SRalf Baechle	depends on SYS_SUPPORTS_SMP
2795e73ea273SRalf Baechle	help
27961da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
27974a474157SRobert Graffham	  a system with only one CPU, say N. If you have a system with more
27984a474157SRobert Graffham	  than one CPU, say Y.
27991da177e4SLinus Torvalds
28004a474157SRobert Graffham	  If you say N here, the kernel will run on uni- and multiprocessor
28011da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
28021da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all,
28034a474157SRobert Graffham	  uniprocessor machines. On a uniprocessor machine, the kernel
28041da177e4SLinus Torvalds	  will run faster if you say N here.
28051da177e4SLinus Torvalds
28061da177e4SLinus Torvalds	  People using multiprocessor machines who say Y here should also say
28071da177e4SLinus Torvalds	  Y to "Enhanced Real Time Clock Support", below.
28081da177e4SLinus Torvalds
280903502faaSAdrian Bunk	  See also the SMP-HOWTO available at
2810ef054ad3SAlexander A. Klimov	  <https://www.tldp.org/docs.html#howto>.
28111da177e4SLinus Torvalds
28121da177e4SLinus Torvalds	  If you don't know what to do here, say N.
28131da177e4SLinus Torvalds
28147840d618SMatt Redfearnconfig HOTPLUG_CPU
28157840d618SMatt Redfearn	bool "Support for hot-pluggable CPUs"
28167840d618SMatt Redfearn	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
28177840d618SMatt Redfearn	help
28187840d618SMatt Redfearn	  Say Y here to allow turning CPUs off and on. CPUs can be
28197840d618SMatt Redfearn	  controlled through /sys/devices/system/cpu.
28207840d618SMatt Redfearn	  (Note: power management support will enable this option
28217840d618SMatt Redfearn	    automatically on SMP systems. )
28227840d618SMatt Redfearn	  Say N if you want to disable CPU hotplug.
28237840d618SMatt Redfearn
282487353d8aSRalf Baechleconfig SMP_UP
282587353d8aSRalf Baechle	bool
282687353d8aSRalf Baechle
28274a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP
28284a16ff4cSRalf Baechle	bool
28294a16ff4cSRalf Baechle
28300ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS
28310ee958e1SPaul Burton	bool
28320ee958e1SPaul Burton
2833e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP
2834e73ea273SRalf Baechle	bool
2835e73ea273SRalf Baechle
2836130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4
2837130e2fb7SRalf Baechle	bool
2838130e2fb7SRalf Baechle
2839130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8
2840130e2fb7SRalf Baechle	bool
2841130e2fb7SRalf Baechle
2842130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16
2843130e2fb7SRalf Baechle	bool
2844130e2fb7SRalf Baechle
2845130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32
2846130e2fb7SRalf Baechle	bool
2847130e2fb7SRalf Baechle
2848130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64
2849130e2fb7SRalf Baechle	bool
2850130e2fb7SRalf Baechle
28511da177e4SLinus Torvaldsconfig NR_CPUS
2852a91796a9SJayachandran C	int "Maximum number of CPUs (2-256)"
2853a91796a9SJayachandran C	range 2 256
28541da177e4SLinus Torvalds	depends on SMP
2855130e2fb7SRalf Baechle	default "4" if NR_CPUS_DEFAULT_4
2856130e2fb7SRalf Baechle	default "8" if NR_CPUS_DEFAULT_8
2857130e2fb7SRalf Baechle	default "16" if NR_CPUS_DEFAULT_16
2858130e2fb7SRalf Baechle	default "32" if NR_CPUS_DEFAULT_32
2859130e2fb7SRalf Baechle	default "64" if NR_CPUS_DEFAULT_64
28601da177e4SLinus Torvalds	help
28611da177e4SLinus Torvalds	  This allows you to specify the maximum number of CPUs which this
28621da177e4SLinus Torvalds	  kernel will support.  The maximum supported value is 32 for 32-bit
28631da177e4SLinus Torvalds	  kernel and 64 for 64-bit kernels; the minimum value which makes
286472ede9b1SAtsushi Nemoto	  sense is 1 for Qemu (useful only for kernel debugging purposes)
286572ede9b1SAtsushi Nemoto	  and 2 for all others.
28661da177e4SLinus Torvalds
28671da177e4SLinus Torvalds	  This is purely to save memory - each supported CPU adds
286872ede9b1SAtsushi Nemoto	  approximately eight kilobytes to the kernel image.  For best
286972ede9b1SAtsushi Nemoto	  performance should round up your number of processors to the next
287072ede9b1SAtsushi Nemoto	  power of two.
28711da177e4SLinus Torvalds
2872399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS
2873399aaa25SAl Cooper	bool
2874399aaa25SAl Cooper
28757820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024
28767820b84bSDavid Daney	bool
28777820b84bSDavid Daney
28787820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP
28797820b84bSDavid Daney	int
28807820b84bSDavid Daney	depends on SMP
28817820b84bSDavid Daney	default 1024 if MIPS_NR_CPU_NR_MAP_1024
28827820b84bSDavid Daney	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
28837820b84bSDavid Daney
28841723b4a3SAtsushi Nemoto#
28851723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration
28861723b4a3SAtsushi Nemoto#
28871723b4a3SAtsushi Nemoto
28881723b4a3SAtsushi Nemotochoice
28891723b4a3SAtsushi Nemoto	prompt "Timer frequency"
28901723b4a3SAtsushi Nemoto	default HZ_250
28911723b4a3SAtsushi Nemoto	help
28921723b4a3SAtsushi Nemoto	  Allows the configuration of the timer frequency.
28931723b4a3SAtsushi Nemoto
289467596573SPaul Burton	config HZ_24
289567596573SPaul Burton		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
289667596573SPaul Burton
28971723b4a3SAtsushi Nemoto	config HZ_48
28980f873585SRalf Baechle		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
28991723b4a3SAtsushi Nemoto
29001723b4a3SAtsushi Nemoto	config HZ_100
29011723b4a3SAtsushi Nemoto		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
29021723b4a3SAtsushi Nemoto
29031723b4a3SAtsushi Nemoto	config HZ_128
29041723b4a3SAtsushi Nemoto		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
29051723b4a3SAtsushi Nemoto
29061723b4a3SAtsushi Nemoto	config HZ_250
29071723b4a3SAtsushi Nemoto		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
29081723b4a3SAtsushi Nemoto
29091723b4a3SAtsushi Nemoto	config HZ_256
29101723b4a3SAtsushi Nemoto		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
29111723b4a3SAtsushi Nemoto
29121723b4a3SAtsushi Nemoto	config HZ_1000
29131723b4a3SAtsushi Nemoto		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
29141723b4a3SAtsushi Nemoto
29151723b4a3SAtsushi Nemoto	config HZ_1024
29161723b4a3SAtsushi Nemoto		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
29171723b4a3SAtsushi Nemoto
29181723b4a3SAtsushi Nemotoendchoice
29191723b4a3SAtsushi Nemoto
292067596573SPaul Burtonconfig SYS_SUPPORTS_24HZ
292167596573SPaul Burton	bool
292267596573SPaul Burton
29231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ
29241723b4a3SAtsushi Nemoto	bool
29251723b4a3SAtsushi Nemoto
29261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ
29271723b4a3SAtsushi Nemoto	bool
29281723b4a3SAtsushi Nemoto
29291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ
29301723b4a3SAtsushi Nemoto	bool
29311723b4a3SAtsushi Nemoto
29321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ
29331723b4a3SAtsushi Nemoto	bool
29341723b4a3SAtsushi Nemoto
29351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ
29361723b4a3SAtsushi Nemoto	bool
29371723b4a3SAtsushi Nemoto
29381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ
29391723b4a3SAtsushi Nemoto	bool
29401723b4a3SAtsushi Nemoto
29411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ
29421723b4a3SAtsushi Nemoto	bool
29431723b4a3SAtsushi Nemoto
29441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ
29451723b4a3SAtsushi Nemoto	bool
294667596573SPaul Burton	default y if !SYS_SUPPORTS_24HZ && \
294767596573SPaul Burton		     !SYS_SUPPORTS_48HZ && \
294867596573SPaul Burton		     !SYS_SUPPORTS_100HZ && \
294967596573SPaul Burton		     !SYS_SUPPORTS_128HZ && \
295067596573SPaul Burton		     !SYS_SUPPORTS_250HZ && \
295167596573SPaul Burton		     !SYS_SUPPORTS_256HZ && \
295267596573SPaul Burton		     !SYS_SUPPORTS_1000HZ && \
29531723b4a3SAtsushi Nemoto		     !SYS_SUPPORTS_1024HZ
29541723b4a3SAtsushi Nemoto
29551723b4a3SAtsushi Nemotoconfig HZ
29561723b4a3SAtsushi Nemoto	int
295767596573SPaul Burton	default 24 if HZ_24
29581723b4a3SAtsushi Nemoto	default 48 if HZ_48
29591723b4a3SAtsushi Nemoto	default 100 if HZ_100
29601723b4a3SAtsushi Nemoto	default 128 if HZ_128
29611723b4a3SAtsushi Nemoto	default 250 if HZ_250
29621723b4a3SAtsushi Nemoto	default 256 if HZ_256
29631723b4a3SAtsushi Nemoto	default 1000 if HZ_1000
29641723b4a3SAtsushi Nemoto	default 1024 if HZ_1024
29651723b4a3SAtsushi Nemoto
296696685b17SDeng-Cheng Zhuconfig SCHED_HRTICK
296796685b17SDeng-Cheng Zhu	def_bool HIGH_RES_TIMERS
296896685b17SDeng-Cheng Zhu
2969ea6e942bSAtsushi Nemotoconfig KEXEC
29707d60717eSKees Cook	bool "Kexec system call"
29712965faa5SDave Young	select KEXEC_CORE
2972ea6e942bSAtsushi Nemoto	help
2973ea6e942bSAtsushi Nemoto	  kexec is a system call that implements the ability to shutdown your
2974ea6e942bSAtsushi Nemoto	  current kernel, and to start another kernel.  It is like a reboot
29753dde6ad8SDavid Sterba	  but it is independent of the system firmware.   And like a reboot
2976ea6e942bSAtsushi Nemoto	  you can start any kernel with it, not just Linux.
2977ea6e942bSAtsushi Nemoto
297801dd2fbfSMatt LaPlante	  The name comes from the similarity to the exec system call.
2979ea6e942bSAtsushi Nemoto
2980ea6e942bSAtsushi Nemoto	  It is an ongoing process to be certain the hardware in a machine
2981ea6e942bSAtsushi Nemoto	  is properly shutdown, so do not be surprised if this code does not
2982bf220695SGeert Uytterhoeven	  initially work for you.  As of this writing the exact hardware
2983bf220695SGeert Uytterhoeven	  interface is strongly in flux, so no good recommendation can be
2984bf220695SGeert Uytterhoeven	  made.
2985ea6e942bSAtsushi Nemoto
29867aa1c8f4SRalf Baechleconfig CRASH_DUMP
29877aa1c8f4SRalf Baechle	bool "Kernel crash dumps"
29887aa1c8f4SRalf Baechle	help
29897aa1c8f4SRalf Baechle	  Generate crash dump after being started by kexec.
29907aa1c8f4SRalf Baechle	  This should be normally only set in special crash dump kernels
29917aa1c8f4SRalf Baechle	  which are loaded in the main kernel with kexec-tools into
29927aa1c8f4SRalf Baechle	  a specially reserved region and then later executed after
29937aa1c8f4SRalf Baechle	  a crash by kdump/kexec. The crash dump kernel must be compiled
29947aa1c8f4SRalf Baechle	  to a memory address not used by the main kernel or firmware using
29957aa1c8f4SRalf Baechle	  PHYSICAL_START.
29967aa1c8f4SRalf Baechle
29977aa1c8f4SRalf Baechleconfig PHYSICAL_START
29987aa1c8f4SRalf Baechle	hex "Physical address where the kernel is loaded"
29998bda3e26SMaciej W. Rozycki	default "0xffffffff84000000"
30007aa1c8f4SRalf Baechle	depends on CRASH_DUMP
30017aa1c8f4SRalf Baechle	help
30027aa1c8f4SRalf Baechle	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
30037aa1c8f4SRalf Baechle	  If you plan to use kernel for capturing the crash dump change
30047aa1c8f4SRalf Baechle	  this value to start of the reserved region (the "X" value as
30057aa1c8f4SRalf Baechle	  specified in the "crashkernel=YM@XM" command line boot parameter
30067aa1c8f4SRalf Baechle	  passed to the panic-ed kernel).
30077aa1c8f4SRalf Baechle
3008ea6e942bSAtsushi Nemotoconfig SECCOMP
3009ea6e942bSAtsushi Nemoto	bool "Enable seccomp to safely compute untrusted bytecode"
3010293c5bd1SRalf Baechle	depends on PROC_FS
3011ea6e942bSAtsushi Nemoto	default y
3012ea6e942bSAtsushi Nemoto	help
3013ea6e942bSAtsushi Nemoto	  This kernel feature is useful for number crunching applications
3014ea6e942bSAtsushi Nemoto	  that may need to compute untrusted bytecode during their
3015ea6e942bSAtsushi Nemoto	  execution. By using pipes or other transports made available to
3016ea6e942bSAtsushi Nemoto	  the process as file descriptors supporting the read/write
3017ea6e942bSAtsushi Nemoto	  syscalls, it's possible to isolate those applications in
3018ea6e942bSAtsushi Nemoto	  their own address space using seccomp. Once seccomp is
3019ea6e942bSAtsushi Nemoto	  enabled via /proc/<pid>/seccomp, it cannot be disabled
3020ea6e942bSAtsushi Nemoto	  and the task is only allowed to execute a few safe syscalls
3021ea6e942bSAtsushi Nemoto	  defined by each seccomp mode.
3022ea6e942bSAtsushi Nemoto
3023ea6e942bSAtsushi Nemoto	  If unsure, say Y. Only embedded should say N here.
3024ea6e942bSAtsushi Nemoto
3025597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT
3026b7f1e273SPaul Burton	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
3027597ce172SPaul Burton	depends on 32BIT || MIPS32_O32
3028597ce172SPaul Burton	help
3029597ce172SPaul Burton	  When this is enabled, the kernel will support use of 64-bit floating
3030597ce172SPaul Burton	  point registers with binaries using the O32 ABI along with the
3031597ce172SPaul Burton	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
3032597ce172SPaul Burton	  32-bit MIPS systems this support is at the cost of increasing the
3033597ce172SPaul Burton	  size and complexity of the compiled FPU emulator. Thus if you are
3034597ce172SPaul Burton	  running a MIPS32 system and know that none of your userland binaries
3035597ce172SPaul Burton	  will require 64-bit floating point, you may wish to reduce the size
3036597ce172SPaul Burton	  of your kernel & potentially improve FP emulation performance by
3037597ce172SPaul Burton	  saying N here.
3038597ce172SPaul Burton
303906e2e882SPaul Burton	  Although binutils currently supports use of this flag the details
304006e2e882SPaul Burton	  concerning its effect upon the O32 ABI in userland are still being
304106e2e882SPaul Burton	  worked on. In order to avoid userland becoming dependant upon current
304206e2e882SPaul Burton	  behaviour before the details have been finalised, this option should
304306e2e882SPaul Burton	  be considered experimental and only enabled by those working upon
304406e2e882SPaul Burton	  said details.
304506e2e882SPaul Burton
304606e2e882SPaul Burton	  If unsure, say N.
3047597ce172SPaul Burton
3048f2ffa5abSDezhong Diaoconfig USE_OF
30490b3e06fdSJonas Gorski	bool
3050f2ffa5abSDezhong Diao	select OF
3051e6ce1324SStephen Neuendorffer	select OF_EARLY_FLATTREE
3052abd2363fSGrant Likely	select IRQ_DOMAIN
3053f2ffa5abSDezhong Diao
30542fe8ea39SDengcheng Zhuconfig UHI_BOOT
30552fe8ea39SDengcheng Zhu	bool
30562fe8ea39SDengcheng Zhu
30577fafb068SAndrew Brestickerconfig BUILTIN_DTB
30587fafb068SAndrew Bresticker	bool
30597fafb068SAndrew Bresticker
30601da8f179SJonas Gorskichoice
30615b24d52cSJonas Gorski	prompt "Kernel appended dtb support" if USE_OF
30621da8f179SJonas Gorski	default MIPS_NO_APPENDED_DTB
30631da8f179SJonas Gorski
30641da8f179SJonas Gorski	config MIPS_NO_APPENDED_DTB
30651da8f179SJonas Gorski		bool "None"
30661da8f179SJonas Gorski		help
30671da8f179SJonas Gorski		  Do not enable appended dtb support.
30681da8f179SJonas Gorski
306987db537dSAaro Koskinen	config MIPS_ELF_APPENDED_DTB
307087db537dSAaro Koskinen		bool "vmlinux"
307187db537dSAaro Koskinen		help
307287db537dSAaro Koskinen		  With this option, the boot code will look for a device tree binary
307387db537dSAaro Koskinen		  DTB) included in the vmlinux ELF section .appended_dtb. By default
307487db537dSAaro Koskinen		  it is empty and the DTB can be appended using binutils command
307587db537dSAaro Koskinen		  objcopy:
307687db537dSAaro Koskinen
307787db537dSAaro Koskinen		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
307887db537dSAaro Koskinen
307987db537dSAaro Koskinen		  This is meant as a backward compatiblity convenience for those
308087db537dSAaro Koskinen		  systems with a bootloader that can't be upgraded to accommodate
308187db537dSAaro Koskinen		  the documented boot protocol using a device tree.
308287db537dSAaro Koskinen
30831da8f179SJonas Gorski	config MIPS_RAW_APPENDED_DTB
3084b8f54f2cSJonas Gorski		bool "vmlinux.bin or vmlinuz.bin"
30851da8f179SJonas Gorski		help
30861da8f179SJonas Gorski		  With this option, the boot code will look for a device tree binary
3087b8f54f2cSJonas Gorski		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
30881da8f179SJonas Gorski		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
30891da8f179SJonas Gorski
30901da8f179SJonas Gorski		  This is meant as a backward compatibility convenience for those
30911da8f179SJonas Gorski		  systems with a bootloader that can't be upgraded to accommodate
30921da8f179SJonas Gorski		  the documented boot protocol using a device tree.
30931da8f179SJonas Gorski
30941da8f179SJonas Gorski		  Beware that there is very little in terms of protection against
30951da8f179SJonas Gorski		  this option being confused by leftover garbage in memory that might
30961da8f179SJonas Gorski		  look like a DTB header after a reboot if no actual DTB is appended
30971da8f179SJonas Gorski		  to vmlinux.bin.  Do not leave this option active in a production kernel
30981da8f179SJonas Gorski		  if you don't intend to always append a DTB.
30991da8f179SJonas Gorskiendchoice
31001da8f179SJonas Gorski
31012024972eSJonas Gorskichoice
31022024972eSJonas Gorski	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
31032bcef9b4SJonas Gorski	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
310487fcfa7bSJiaxun Yang					 !MACH_LOONGSON64 && !MIPS_MALTA && \
31052bcef9b4SJonas Gorski					 !CAVIUM_OCTEON_SOC
31062024972eSJonas Gorski	default MIPS_CMDLINE_FROM_BOOTLOADER
31072024972eSJonas Gorski
31082024972eSJonas Gorski	config MIPS_CMDLINE_FROM_DTB
31092024972eSJonas Gorski		depends on USE_OF
31102024972eSJonas Gorski		bool "Dtb kernel arguments if available"
31112024972eSJonas Gorski
31122024972eSJonas Gorski	config MIPS_CMDLINE_DTB_EXTEND
31132024972eSJonas Gorski		depends on USE_OF
31142024972eSJonas Gorski		bool "Extend dtb kernel arguments with bootloader arguments"
31152024972eSJonas Gorski
31162024972eSJonas Gorski	config MIPS_CMDLINE_FROM_BOOTLOADER
31172024972eSJonas Gorski		bool "Bootloader kernel arguments if available"
3118ed47e153SRabin Vincent
3119ed47e153SRabin Vincent	config MIPS_CMDLINE_BUILTIN_EXTEND
3120ed47e153SRabin Vincent		depends on CMDLINE_BOOL
3121ed47e153SRabin Vincent		bool "Extend builtin kernel arguments with bootloader arguments"
31222024972eSJonas Gorskiendchoice
31232024972eSJonas Gorski
31245e83d430SRalf Baechleendmenu
31255e83d430SRalf Baechle
31261df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT
31271df0f0ffSAtsushi Nemoto	bool
31281df0f0ffSAtsushi Nemoto	default y
31291df0f0ffSAtsushi Nemoto
31301df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT
31311df0f0ffSAtsushi Nemoto	bool
31321df0f0ffSAtsushi Nemoto	default y
31331df0f0ffSAtsushi Nemoto
3134a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS
3135a728ab52SKirill A. Shutemov	int
31363377e227SAlex Belits	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3137a728ab52SKirill A. Shutemov	default 3 if 64BIT && !PAGE_SIZE_64KB
3138a728ab52SKirill A. Shutemov	default 2
3139a728ab52SKirill A. Shutemov
31406c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET
31416c359eb1SPaul Burton	bool
31426c359eb1SPaul Burton
31431da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
31441da177e4SLinus Torvalds
3145c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC
31462eac9c2dSChristoph Hellwig	select PCI_DOMAINS_GENERIC if PCI
3147c5611df9SPaul Burton	bool
3148c5611df9SPaul Burton
3149c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY
3150c5611df9SPaul Burton	def_bool !PCI_DRIVERS_GENERIC
3151c5611df9SPaul Burton	select NO_GENERIC_PCI_IOPORT_MAP
31522eac9c2dSChristoph Hellwig	select PCI_DOMAINS if PCI
31531da177e4SLinus Torvalds
31541da177e4SLinus Torvalds#
31551da177e4SLinus Torvalds# ISA support is now enabled via select.  Too many systems still have the one
31561da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect
31571da177e4SLinus Torvalds# users to choose the right thing ...
31581da177e4SLinus Torvalds#
31591da177e4SLinus Torvaldsconfig ISA
31601da177e4SLinus Torvalds	bool
31611da177e4SLinus Torvalds
31621da177e4SLinus Torvaldsconfig TC
31631da177e4SLinus Torvalds	bool "TURBOchannel support"
31641da177e4SLinus Torvalds	depends on MACH_DECSTATION
31651da177e4SLinus Torvalds	help
316650a23e6eSJustin P. Mattock	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
316750a23e6eSJustin P. Mattock	  processors.  TURBOchannel programming specifications are available
316850a23e6eSJustin P. Mattock	  at:
316950a23e6eSJustin P. Mattock	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
317050a23e6eSJustin P. Mattock	  and:
317150a23e6eSJustin P. Mattock	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
317250a23e6eSJustin P. Mattock	  Linux driver support status is documented at:
317350a23e6eSJustin P. Mattock	  <http://www.linux-mips.org/wiki/DECstation>
31741da177e4SLinus Torvalds
31751da177e4SLinus Torvaldsconfig MMU
31761da177e4SLinus Torvalds	bool
31771da177e4SLinus Torvalds	default y
31781da177e4SLinus Torvalds
3179109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN
3180109c32ffSMatt Redfearn	default 12 if 64BIT
3181109c32ffSMatt Redfearn	default 8
3182109c32ffSMatt Redfearn
3183109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX
3184109c32ffSMatt Redfearn	default 18 if 64BIT
3185109c32ffSMatt Redfearn	default 15
3186109c32ffSMatt Redfearn
3187109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN
3188109c32ffSMatt Redfearn	default 8
3189109c32ffSMatt Redfearn
3190109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX
3191109c32ffSMatt Redfearn	default 15
3192109c32ffSMatt Redfearn
3193d865bea4SRalf Baechleconfig I8253
3194d865bea4SRalf Baechle	bool
3195798778b8SRussell King	select CLKSRC_I8253
31962d02612fSThomas Gleixner	select CLKEVT_I8253
31979726b43aSWu Zhangjin	select MIPS_EXTERNAL_TIMER
3198d865bea4SRalf Baechle
3199e05eb3f8SRalf Baechleconfig ZONE_DMA
3200e05eb3f8SRalf Baechle	bool
3201e05eb3f8SRalf Baechle
3202cce335aeSRalf Baechleconfig ZONE_DMA32
3203cce335aeSRalf Baechle	bool
3204cce335aeSRalf Baechle
32051da177e4SLinus Torvaldsendmenu
32061da177e4SLinus Torvalds
32071da177e4SLinus Torvaldsconfig TRAD_SIGNALS
32081da177e4SLinus Torvalds	bool
32091da177e4SLinus Torvalds
32101da177e4SLinus Torvaldsconfig MIPS32_COMPAT
321178aaf956SRalf Baechle	bool
32121da177e4SLinus Torvalds
32131da177e4SLinus Torvaldsconfig COMPAT
32141da177e4SLinus Torvalds	bool
32151da177e4SLinus Torvalds
321605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT
321705e43966SAtsushi Nemoto	bool
321805e43966SAtsushi Nemoto
32191da177e4SLinus Torvaldsconfig MIPS32_O32
32201da177e4SLinus Torvalds	bool "Kernel support for o32 binaries"
322178aaf956SRalf Baechle	depends on 64BIT
322278aaf956SRalf Baechle	select ARCH_WANT_OLD_COMPAT_IPC
322378aaf956SRalf Baechle	select COMPAT
322478aaf956SRalf Baechle	select MIPS32_COMPAT
322578aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
32261da177e4SLinus Torvalds	help
32271da177e4SLinus Torvalds	  Select this option if you want to run o32 binaries.  These are pure
32281da177e4SLinus Torvalds	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
32291da177e4SLinus Torvalds	  existing binaries are in this format.
32301da177e4SLinus Torvalds
32311da177e4SLinus Torvalds	  If unsure, say Y.
32321da177e4SLinus Torvalds
32331da177e4SLinus Torvaldsconfig MIPS32_N32
32341da177e4SLinus Torvalds	bool "Kernel support for n32 binaries"
3235c22eacfeSRalf Baechle	depends on 64BIT
32365a9372f7SArnd Bergmann	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
323778aaf956SRalf Baechle	select COMPAT
323878aaf956SRalf Baechle	select MIPS32_COMPAT
323978aaf956SRalf Baechle	select SYSVIPC_COMPAT if SYSVIPC
32401da177e4SLinus Torvalds	help
32411da177e4SLinus Torvalds	  Select this option if you want to run n32 binaries.  These are
32421da177e4SLinus Torvalds	  64-bit binaries using 32-bit quantities for addressing and certain
32431da177e4SLinus Torvalds	  data that would normally be 64-bit.  They are used in special
32441da177e4SLinus Torvalds	  cases.
32451da177e4SLinus Torvalds
32461da177e4SLinus Torvalds	  If unsure, say N.
32471da177e4SLinus Torvalds
32481da177e4SLinus Torvaldsconfig BINFMT_ELF32
32491da177e4SLinus Torvalds	bool
32501da177e4SLinus Torvalds	default y if MIPS32_O32 || MIPS32_N32
3251f43edca7SRalf Baechle	select ELFCORE
32521da177e4SLinus Torvalds
32532116245eSRalf Baechlemenu "Power management options"
3254952fa954SRodolfo Giometti
3255363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE
3256363c55caSWu Zhangjin	def_bool y
32573f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3258363c55caSWu Zhangjin
3259f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
3260f4cb5700SJohannes Berg	def_bool y
32613f5b3e17SRalf Baechle	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3262f4cb5700SJohannes Berg
32632116245eSRalf Baechlesource "kernel/power/Kconfig"
3264952fa954SRodolfo Giometti
32651da177e4SLinus Torvaldsendmenu
32661da177e4SLinus Torvalds
32677a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER
32687a998935SViresh Kumar	bool
32697a998935SViresh Kumar
32707a998935SViresh Kumarmenu "CPU Power Management"
3271c095ebafSPaul Burton
3272c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
32737a998935SViresh Kumarsource "drivers/cpufreq/Kconfig"
32747a998935SViresh Kumarendif
32759726b43aSWu Zhangjin
3276c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig"
3277c095ebafSPaul Burton
3278c095ebafSPaul Burtonendmenu
3279c095ebafSPaul Burton
328098cdee0eSRalf Baechlesource "drivers/firmware/Kconfig"
328198cdee0eSRalf Baechle
32822235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig"
3283e91946d6SNathan Chancellor
3284e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig"
3285