Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 3407 insertions, 0 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
new file mode 100644
index 000000000..585783c99
--- /dev/null
+++ b/arch/mips/Kconfig
@@ -0,0 +1,3241 @@
+# SPDX-License-Identifier: GPL-2.0
+config MIPS
+	bool
+	default y
+	select ARCH_32BIT_OFF_T if !64BIT
+	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
+	select ARCH_HAS_CPU_FINALIZE_INIT
+	select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
+	select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
+	select ARCH_HAS_FORTIFY_SOURCE
+	select ARCH_HAS_KCOV
+	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
+	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
+	select ARCH_HAS_STRNCPY_FROM_USER
+	select ARCH_HAS_STRNLEN_USER
+	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
+	select ARCH_HAS_UBSAN_SANITIZE_ALL
+	select ARCH_HAS_GCOV_PROFILE_ALL
+	select ARCH_KEEP_MEMBLOCK
+	select ARCH_SUPPORTS_UPROBES
+	select ARCH_USE_BUILTIN_BSWAP
+	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
+	select ARCH_USE_MEMTEST
+	select ARCH_USE_QUEUED_RWLOCKS
+	select ARCH_USE_QUEUED_SPINLOCKS
+	select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
+	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
+	select ARCH_WANT_IPC_PARSE_VERSION
+	select ARCH_WANT_LD_ORPHAN_WARN
+	select BUILDTIME_TABLE_SORT
+	select CLONE_BACKWARDS
+	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
+	select CPU_PM if CPU_IDLE
+	select GENERIC_ATOMIC64 if !64BIT
+	select GENERIC_CMOS_UPDATE
+	select GENERIC_CPU_AUTOPROBE
+	select GENERIC_GETTIMEOFDAY
+	select GENERIC_IOMAP
+	select GENERIC_IRQ_PROBE
+	select GENERIC_IRQ_SHOW
+	select GENERIC_ISA_DMA if EISA
+	select GENERIC_LIB_ASHLDI3
+	select GENERIC_LIB_ASHRDI3
+	select GENERIC_LIB_CMPDI2
+	select GENERIC_LIB_LSHRDI3
+	select GENERIC_LIB_UCMPDI2
+	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
+	select GENERIC_SMP_IDLE_THREAD
+	select GENERIC_TIME_VSYSCALL
+	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
+	select HAVE_ARCH_COMPILER_H
+	select HAVE_ARCH_JUMP_LABEL
+	select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
+	select HAVE_ARCH_MMAP_RND_BITS if MMU
+	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
+	select HAVE_ARCH_SECCOMP_FILTER
+	select HAVE_ARCH_TRACEHOOK
+	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
+	select HAVE_ASM_MODVERSIONS
+	select HAVE_CONTEXT_TRACKING_USER
+	select HAVE_TIF_NOHZ
+	select HAVE_C_RECORDMCOUNT
+	select HAVE_DEBUG_KMEMLEAK
+	select HAVE_DEBUG_STACKOVERFLOW
+	select HAVE_DMA_CONTIGUOUS
+	select HAVE_DYNAMIC_FTRACE
+	select HAVE_EBPF_JIT if !CPU_MICROMIPS && \
+				!CPU_DADDI_WORKAROUNDS && \
+				!CPU_R4000_WORKAROUNDS && \
+				!CPU_R4400_WORKAROUNDS
+	select HAVE_EXIT_THREAD
+	select HAVE_FAST_GUP
+	select HAVE_FTRACE_MCOUNT_RECORD
+	select HAVE_FUNCTION_GRAPH_TRACER
+	select HAVE_FUNCTION_TRACER
+	select HAVE_GCC_PLUGINS
+	select HAVE_GENERIC_VDSO
+	select HAVE_IOREMAP_PROT
+	select HAVE_IRQ_EXIT_ON_IRQ_STACK
+	select HAVE_IRQ_TIME_ACCOUNTING
+	select HAVE_KPROBES
+	select HAVE_KRETPROBES
+	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
+	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_NMI
+	select HAVE_PERF_EVENTS
+	select HAVE_PERF_REGS
+	select HAVE_PERF_USER_STACK_DUMP
+	select HAVE_REGS_AND_STACK_ACCESS_API
+	select HAVE_RSEQ
+	select HAVE_SPARSE_SYSCALL_NR
+	select HAVE_STACKPROTECTOR
+	select HAVE_SYSCALL_TRACEPOINTS
+	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
+	select IRQ_FORCED_THREADING
+	select ISA if EISA
+	select LOCK_MM_AND_FIND_VMA
+	select MODULES_USE_ELF_REL if MODULES
+	select MODULES_USE_ELF_RELA if MODULES && 64BIT
+	select PERF_USE_VMALLOC
+	select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
+	select RTC_LIB
+	select SYSCTL_EXCEPTION_TRACE
+	select TRACE_IRQFLAGS_SUPPORT
+	select ARCH_HAS_ELFCORE_COMPAT
+	select HAVE_ARCH_KCSAN if 64BIT
+
+config MIPS_FIXUP_BIGPHYS_ADDR
+	bool
+
+config MIPS_GENERIC
+	bool
+
+config MACH_INGENIC
+	bool
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_ZBOOT
+	select DMA_NONCOHERENT
+	select ARCH_HAS_SYNC_DMA_FOR_CPU
+	select IRQ_MIPS_CPU
+	select PINCTRL
+	select GPIOLIB
+	select COMMON_CLK
+	select GENERIC_IRQ_CHIP
+	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
+	select USE_OF
+	select CPU_SUPPORTS_CPUFREQ
+	select MIPS_EXTERNAL_TIMER
+
+menu "Machine selection"
+
+choice
+	prompt "System type"
+	default MIPS_GENERIC_KERNEL
+
+config MIPS_GENERIC_KERNEL
+	bool "Generic board-agnostic MIPS kernel"
+	select ARCH_HAS_SETUP_DMA_OPS
+	select MIPS_GENERIC
+	select BOOT_RAW
+	select BUILTIN_DTB
+	select CEVT_R4K
+	select CLKSRC_MIPS_GIC
+	select COMMON_CLK
+	select CPU_MIPSR2_IRQ_EI
+	select CPU_MIPSR2_IRQ_VI
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select HAVE_PCI
+	select IRQ_MIPS_CPU
+	select MIPS_AUTO_PFN_OFFSET
+	select MIPS_CPU_SCACHE
+	select MIPS_GIC
+	select MIPS_L1_CACHE_SHIFT_7
+	select NO_EXCEPT_FILL
+	select PCI_DRIVERS_GENERIC
+	select SMP_UP if SMP
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_HAS_CPU_MIPS32_R6
+	select SYS_HAS_CPU_MIPS64_R1
+	select SYS_HAS_CPU_MIPS64_R2
+	select SYS_HAS_CPU_MIPS64_R6
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_MICROMIPS
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_MIPS_CPS
+	select SYS_SUPPORTS_MULTITHREADING
+	select SYS_SUPPORTS_RELOCATABLE
+	select SYS_SUPPORTS_SMARTMIPS
+	select SYS_SUPPORTS_ZBOOT
+	select UHI_BOOT
+	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select USE_OF
+	help
+	  Select this to build a kernel which aims to support multiple boards,
+	  generally using a flattened device tree passed from the bootloader
+	  using the boot protocol defined in the UHI (Unified Hosting
+	  Interface) specification.
+
+config MIPS_ALCHEMY
+	bool "Alchemy processor based machines"
+	select PHYS_ADDR_T_64BIT
+	select CEVT_R4K
+	select CSRC_R4K
+	select IRQ_MIPS_CPU
+	select DMA_NONCOHERENT		# Au1000,1500,1100 aren't, rest is
+	select MIPS_FIXUP_BIGPHYS_ADDR if PCI
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_APM_EMULATION
+	select GPIOLIB
+	select SYS_SUPPORTS_ZBOOT
+	select COMMON_CLK
+
+config AR7
+	bool "Texas Instruments AR7"
+	select BOOT_ELF32
+	select COMMON_CLK
+	select DMA_NONCOHERENT
+	select CEVT_R4K
+	select CSRC_R4K
+	select IRQ_MIPS_CPU
+	select NO_EXCEPT_FILL
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_ZBOOT_UART16550
+	select GPIOLIB
+	select VLYNQ
+	help
+	  Support for the Texas Instruments AR7 System-on-a-Chip
+	  family: TNETD7100, 7200 and 7300.
+
+config ATH25
+	bool "Atheros AR231x/AR531x SoC support"
+	select CEVT_R4K
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+	select IRQ_DOMAIN
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_HAS_EARLY_PRINTK
+	help
+	  Support for Atheros AR231x and Atheros AR531x based boards
+
+config ATH79
+	bool "Atheros AR71XX/AR724X/AR913X based boards"
+	select ARCH_HAS_RESET_CONTROLLER
+	select BOOT_RAW
+	select CEVT_R4K
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select GPIOLIB
+	select PINCTRL
+	select COMMON_CLK
+	select IRQ_MIPS_CPU
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_ZBOOT_UART_PROM
+	select USE_OF
+	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
+	help
+	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
+
+config BMIPS_GENERIC
+	bool "Broadcom Generic BMIPS kernel"
+	select ARCH_HAS_RESET_CONTROLLER
+	select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
+	select BOOT_RAW
+	select NO_EXCEPT_FILL
+	select USE_OF
+	select CEVT_R4K
+	select CSRC_R4K
+	select SYNC_R4K
+	select COMMON_CLK
+	select BCM6345_L1_IRQ
+	select BCM7038_L1_IRQ
+	select BCM7120_L2_IRQ
+	select BRCMSTB_L2_IRQ
+	select IRQ_MIPS_CPU
+	select DMA_NONCOHERENT
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_HAS_CPU_BMIPS32_3300
+	select SYS_HAS_CPU_BMIPS4350
+	select SYS_HAS_CPU_BMIPS4380
+	select SYS_HAS_CPU_BMIPS5000
+	select SWAP_IO_SPACE
+	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select HARDIRQS_SW_RESEND
+	select HAVE_PCI
+	select PCI_DRIVERS_GENERIC
+	select FW_CFE
+	help
+	  Build a generic DT-based kernel image that boots on select
+	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
+	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
+	  must be set appropriately for your board.
+
+config BCM47XX
+	bool "Broadcom BCM47XX based boards"
+	select BOOT_RAW
+	select CEVT_R4K
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select HAVE_PCI
+	select IRQ_MIPS_CPU
+	select SYS_HAS_CPU_MIPS32_R1
+	select NO_EXCEPT_FILL
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_ZBOOT
+	select SYS_HAS_EARLY_PRINTK
+	select USE_GENERIC_EARLY_PRINTK_8250
+	select GPIOLIB
+	select LEDS_GPIO_REGISTER
+	select BCM47XX_NVRAM
+	select BCM47XX_SPROM
+	select BCM47XX_SSB if !BCM47XX_BCMA
+	help
+	  Support for BCM47XX based boards
+
+config BCM63XX
+	bool "Broadcom BCM63XX based boards"
+	select BOOT_RAW
+	select CEVT_R4K
+	select CSRC_R4K
+	select SYNC_R4K
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_HAS_CPU_BMIPS32_3300
+	select SYS_HAS_CPU_BMIPS4350
+	select SYS_HAS_CPU_BMIPS4380
+	select SWAP_IO_SPACE
+	select GPIOLIB
+	select MIPS_L1_CACHE_SHIFT_4
+	select HAVE_LEGACY_CLK
+	help
+	  Support for BCM63XX based boards
+
+config MIPS_COBALT
+	bool "Cobalt Server"
+	select CEVT_R4K
+	select CSRC_R4K
+	select CEVT_GT641XX
+	select DMA_NONCOHERENT
+	select FORCE_PCI
+	select I8253
+	select I8259
+	select IRQ_MIPS_CPU
+	select IRQ_GT641XX
+	select PCI_GT64XXX_PCI0
+	select SYS_HAS_CPU_NEVADA
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select USE_GENERIC_EARLY_PRINTK_8250
+
+config MACH_DECSTATION
+	bool "DECstations"
+	select BOOT_ELF32
+	select CEVT_DS1287
+	select CEVT_R4K if CPU_R4X00
+	select CSRC_IOASIC
+	select CSRC_R4K if CPU_R4X00
+	select CPU_DADDI_WORKAROUNDS if 64BIT
+	select CPU_R4000_WORKAROUNDS if 64BIT
+	select CPU_R4400_WORKAROUNDS if 64BIT
+	select DMA_NONCOHERENT
+	select NO_IOPORT_MAP
+	select IRQ_MIPS_CPU
+	select SYS_HAS_CPU_R3000
+	select SYS_HAS_CPU_R4X00
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_128HZ
+	select SYS_SUPPORTS_256HZ
+	select SYS_SUPPORTS_1024HZ
+	select MIPS_L1_CACHE_SHIFT_4
+	help
+	  This enables support for DEC's MIPS based workstations.  For details
+	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
+	  DECstation porting pages on <http://decstation.unix-ag.org/>.
+
+	  If you have one of the following DECstation Models you definitely
+	  want to choose R4xx0 for the CPU Type:
+
+		DECstation 5000/50
+		DECstation 5000/150
+		DECstation 5000/260
+		DECsystem 5900/260
+
+	  otherwise choose R3000.
+
+config MACH_JAZZ
+	bool "Jazz family of machines"
+	select ARC_MEMORY
+	select ARC_PROMLIB
+	select ARCH_MIGHT_HAVE_PC_PARPORT
+	select ARCH_MIGHT_HAVE_PC_SERIO
+	select DMA_OPS
+	select FW_ARC
+	select FW_ARC32
+	select ARCH_MAY_HAVE_PC_FDC
+	select CEVT_R4K
+	select CSRC_R4K
+	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
+	select GENERIC_ISA_DMA
+	select HAVE_PCSPKR_PLATFORM
+	select IRQ_MIPS_CPU
+	select I8253
+	select I8259
+	select ISA
+	select SYS_HAS_CPU_R4X00
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_100HZ
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	help
+	  This a family of machines based on the MIPS R4030 chipset which was
+	  used by several vendors to build RISC/os and Windows NT workstations.
+	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
+	  Olivetti M700-10 workstations.
+
+config MACH_INGENIC_SOC
+	bool "Ingenic SoC based machines"
+	select MIPS_GENERIC
+	select MACH_INGENIC
+	select SYS_SUPPORTS_ZBOOT_UART16550
+	select CPU_SUPPORTS_CPUFREQ
+	select MIPS_EXTERNAL_TIMER
+
+config LANTIQ
+	bool "Lantiq based platforms"
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+	select CEVT_R4K
+	select CSRC_R4K
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_MULTITHREADING
+	select SYS_SUPPORTS_VPE_LOADER
+	select SYS_HAS_EARLY_PRINTK
+	select GPIOLIB
+	select SWAP_IO_SPACE
+	select BOOT_RAW
+	select HAVE_LEGACY_CLK
+	select USE_OF
+	select PINCTRL
+	select PINCTRL_LANTIQ
+	select ARCH_HAS_RESET_CONTROLLER
+	select RESET_CONTROLLER
+
+config MACH_LOONGSON32
+	bool "Loongson 32-bit family of machines"
+	select SYS_SUPPORTS_ZBOOT
+	help
+	  This enables support for the Loongson-1 family of machines.
+
+	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
+	  the Institute of Computing Technology (ICT), Chinese Academy of
+	  Sciences (CAS).
+
+config MACH_LOONGSON2EF
+	bool "Loongson-2E/F family of machines"
+	select SYS_SUPPORTS_ZBOOT
+	help
+	  This enables the support of early Loongson-2E/F family of machines.
+
+config MACH_LOONGSON64
+	bool "Loongson 64-bit family of machines"
+	select ARCH_DMA_DEFAULT_COHERENT
+	select ARCH_SPARSEMEM_ENABLE
+	select ARCH_MIGHT_HAVE_PC_PARPORT
+	select ARCH_MIGHT_HAVE_PC_SERIO
+	select GENERIC_ISA_DMA_SUPPORT_BROKEN
+	select BOOT_ELF32
+	select BOARD_SCACHE
+	select CSRC_R4K
+	select CEVT_R4K
+	select CPU_HAS_WB
+	select FORCE_PCI
+	select ISA
+	select I8259
+	select IRQ_MIPS_CPU
+	select NO_EXCEPT_FILL
+	select NR_CPUS_DEFAULT_64
+	select USE_GENERIC_EARLY_PRINTK_8250
+	select PCI_DRIVERS_GENERIC
+	select SYS_HAS_CPU_LOONGSON64
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_SUPPORTS_SMP
+	select SYS_SUPPORTS_HOTPLUG_CPU
+	select SYS_SUPPORTS_NUMA
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_ZBOOT
+	select SYS_SUPPORTS_RELOCATABLE
+	select ZONE_DMA32
+	select COMMON_CLK
+	select USE_OF
+	select BUILTIN_DTB
+	select PCI_HOST_GENERIC
+	select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
+	help
+	  This enables the support of Loongson-2/3 family of machines.
+
+	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
+	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
+	  and Loongson-2F which will be removed), developed by the Institute
+	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
+
+config MIPS_MALTA
+	bool "MIPS Malta board"
+	select ARCH_MAY_HAVE_PC_FDC
+	select ARCH_MIGHT_HAVE_PC_PARPORT
+	select ARCH_MIGHT_HAVE_PC_SERIO
+	select BOOT_ELF32
+	select BOOT_RAW
+	select BUILTIN_DTB
+	select CEVT_R4K
+	select CLKSRC_MIPS_GIC
+	select COMMON_CLK
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select GENERIC_ISA_DMA
+	select HAVE_PCSPKR_PLATFORM
+	select HAVE_PCI
+	select I8253
+	select I8259
+	select IRQ_MIPS_CPU
+	select MIPS_BONITO64
+	select MIPS_CPU_SCACHE
+	select MIPS_GIC
+	select MIPS_L1_CACHE_SHIFT_6
+	select MIPS_MSC
+	select PCI_GT64XXX_PCI0
+	select SMP_UP if SMP
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_HAS_CPU_MIPS32_R3_5
+	select SYS_HAS_CPU_MIPS32_R5
+	select SYS_HAS_CPU_MIPS32_R6
+	select SYS_HAS_CPU_MIPS64_R1
+	select SYS_HAS_CPU_MIPS64_R2
+	select SYS_HAS_CPU_MIPS64_R6
+	select SYS_HAS_CPU_NEVADA
+	select SYS_HAS_CPU_RM7000
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_MICROMIPS
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_MIPS_CMP
+	select SYS_SUPPORTS_MIPS_CPS
+	select SYS_SUPPORTS_MULTITHREADING
+	select SYS_SUPPORTS_RELOCATABLE
+	select SYS_SUPPORTS_SMARTMIPS
+	select SYS_SUPPORTS_VPE_LOADER
+	select SYS_SUPPORTS_ZBOOT
+	select USE_OF
+	select WAR_ICACHE_REFILLS
+	select ZONE_DMA32 if 64BIT
+	help
+	  This enables support for the MIPS Technologies Malta evaluation
+	  board.
+
+config MACH_PIC32
+	bool "Microchip PIC32 Family"
+	help
+	  This enables support for the Microchip PIC32 family of platforms.
+
+	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
+	  microcontrollers.
+
+config MACH_NINTENDO64
+	bool "Nintendo 64 console"
+	select CEVT_R4K
+	select CSRC_R4K
+	select SYS_HAS_CPU_R4300
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_ZBOOT
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+
+config RALINK
+	bool "Ralink based machines"
+	select CEVT_R4K
+	select COMMON_CLK
+	select CSRC_R4K
+	select BOOT_RAW
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+	select USE_OF
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_ZBOOT
+	select SYS_HAS_EARLY_PRINTK
+	select ARCH_HAS_RESET_CONTROLLER
+	select RESET_CONTROLLER
+
+config MACH_REALTEK_RTL
+	bool "Realtek RTL838x/RTL839x based machines"
+	select MIPS_GENERIC
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+	select CSRC_R4K
+	select CEVT_R4K
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_MULTITHREADING
+	select SYS_SUPPORTS_VPE_LOADER
+	select BOOT_RAW
+	select PINCTRL
+	select USE_OF
+
+config SGI_IP22
+	bool "SGI IP22 (Indy/Indigo2)"
+	select ARC_MEMORY
+	select ARC_PROMLIB
+	select FW_ARC
+	select FW_ARC32
+	select ARCH_MIGHT_HAVE_PC_SERIO
+	select BOOT_ELF32
+	select CEVT_R4K
+	select CSRC_R4K
+	select DEFAULT_SGI_PARTITION
+	select DMA_NONCOHERENT
+	select HAVE_EISA
+	select I8253
+	select I8259
+	select IP22_CPU_SCACHE
+	select IRQ_MIPS_CPU
+	select GENERIC_ISA_DMA_SUPPORT_BROKEN
+	select SGI_HAS_I8042
+	select SGI_HAS_INDYDOG
+	select SGI_HAS_HAL2
+	select SGI_HAS_SEEQ
+	select SGI_HAS_WD93
+	select SGI_HAS_ZILOG
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_R4X00
+	select SYS_HAS_CPU_R5000
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select WAR_R4600_V1_INDEX_ICACHEOP
+	select WAR_R4600_V1_HIT_CACHEOP
+	select WAR_R4600_V2_HIT_CACHEOP
+	select MIPS_L1_CACHE_SHIFT_7
+	help
+	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
+	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
+	  that runs on these, say Y here.
+
+config SGI_IP27
+	bool "SGI IP27 (Origin200/2000)"
+	select ARCH_HAS_PHYS_TO_DMA
+	select ARCH_SPARSEMEM_ENABLE
+	select FW_ARC
+	select FW_ARC64
+	select ARC_CMDLINE_ONLY
+	select BOOT_ELF64
+	select DEFAULT_SGI_PARTITION
+	select FORCE_PCI
+	select SYS_HAS_EARLY_PRINTK
+	select HAVE_PCI
+	select IRQ_MIPS_CPU
+	select IRQ_DOMAIN_HIERARCHY
+	select NR_CPUS_DEFAULT_64
+	select PCI_DRIVERS_GENERIC
+	select PCI_XTALK_BRIDGE
+	select SYS_HAS_CPU_R10000
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_NUMA
+	select SYS_SUPPORTS_SMP
+	select WAR_R10000_LLSC
+	select MIPS_L1_CACHE_SHIFT_7
+	select NUMA
+	select HAVE_ARCH_NODEDATA_EXTENSION
+	help
+	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
+	  workstations.  To compile a Linux kernel that runs on these, say Y
+	  here.
+
+config SGI_IP28
+	bool "SGI IP28 (Indigo2 R10k)"
+	select ARC_MEMORY
+	select ARC_PROMLIB
+	select FW_ARC
+	select FW_ARC64
+	select ARCH_MIGHT_HAVE_PC_SERIO
+	select BOOT_ELF64
+	select CEVT_R4K
+	select CSRC_R4K
+	select DEFAULT_SGI_PARTITION
+	select DMA_NONCOHERENT
+	select GENERIC_ISA_DMA_SUPPORT_BROKEN
+	select IRQ_MIPS_CPU
+	select HAVE_EISA
+	select I8253
+	select I8259
+	select SGI_HAS_I8042
+	select SGI_HAS_INDYDOG
+	select SGI_HAS_HAL2
+	select SGI_HAS_SEEQ
+	select SGI_HAS_WD93
+	select SGI_HAS_ZILOG
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_R10000
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select WAR_R10000_LLSC
+	select MIPS_L1_CACHE_SHIFT_7
+	help
+	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
+	  kernel that runs on these, say Y here.
+
+config SGI_IP30
+	bool "SGI IP30 (Octane/Octane2)"
+	select ARCH_HAS_PHYS_TO_DMA
+	select FW_ARC
+	select FW_ARC64
+	select BOOT_ELF64
+	select CEVT_R4K
+	select CSRC_R4K
+	select FORCE_PCI
+	select SYNC_R4K if SMP
+	select ZONE_DMA32
+	select HAVE_PCI
+	select IRQ_MIPS_CPU
+	select IRQ_DOMAIN_HIERARCHY
+	select PCI_DRIVERS_GENERIC
+	select PCI_XTALK_BRIDGE
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_HAS_CPU_R10000
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_SMP
+	select WAR_R10000_LLSC
+	select MIPS_L1_CACHE_SHIFT_7
+	select ARC_MEMORY
+	help
+	  These are the SGI Octane and Octane2 graphics workstations.  To
+	  compile a Linux kernel that runs on these, say Y here.
+
+config SGI_IP32
+	bool "SGI IP32 (O2)"
+	select ARC_MEMORY
+	select ARC_PROMLIB
+	select ARCH_HAS_PHYS_TO_DMA
+	select FW_ARC
+	select FW_ARC32
+	select BOOT_ELF32
+	select CEVT_R4K
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select HAVE_PCI
+	select IRQ_MIPS_CPU
+	select R5000_CPU_SCACHE
+	select RM7000_CPU_SCACHE
+	select SYS_HAS_CPU_R5000
+	select SYS_HAS_CPU_R10000 if BROKEN
+	select SYS_HAS_CPU_RM7000
+	select SYS_HAS_CPU_NEVADA
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select WAR_ICACHE_REFILLS
+	help
+	  If you want this kernel to run on SGI O2 workstation, say Y here.
+
+config SIBYTE_CRHINE
+	bool "Sibyte BCM91120C-CRhine"
+	select BOOT_ELF32
+	select SIBYTE_BCM1120
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_SB1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+
+config SIBYTE_CARMEL
+	bool "Sibyte BCM91120x-Carmel"
+	select BOOT_ELF32
+	select SIBYTE_BCM1120
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_SB1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+
+config SIBYTE_CRHONE
+	bool "Sibyte BCM91125C-CRhone"
+	select BOOT_ELF32
+	select SIBYTE_BCM1125
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_SB1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+
+config SIBYTE_RHONE
+	bool "Sibyte BCM91125E-Rhone"
+	select BOOT_ELF32
+	select SIBYTE_BCM1125H
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_SB1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+
+config SIBYTE_SWARM
+	bool "Sibyte BCM91250A-SWARM"
+	select BOOT_ELF32
+	select HAVE_PATA_PLATFORM
+	select SIBYTE_SB1250
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_SB1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select ZONE_DMA32 if 64BIT
+	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
+
+config SIBYTE_LITTLESUR
+	bool "Sibyte BCM91250C2-LittleSur"
+	select BOOT_ELF32
+	select HAVE_PATA_PLATFORM
+	select SIBYTE_SB1250
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_SB1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select ZONE_DMA32 if 64BIT
+
+config SIBYTE_SENTOSA
+	bool "Sibyte BCM91250E-Sentosa"
+	select BOOT_ELF32
+	select SIBYTE_SB1250
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_SB1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
+
+config SIBYTE_BIGSUR
+	bool "Sibyte BCM91480B-BigSur"
+	select BOOT_ELF32
+	select NR_CPUS_DEFAULT_4
+	select SIBYTE_BCM1x80
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_SB1
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select ZONE_DMA32 if 64BIT
+	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
+
+config SNI_RM
+	bool "SNI RM200/300/400"
+	select ARC_MEMORY
+	select ARC_PROMLIB
+	select FW_ARC if CPU_LITTLE_ENDIAN
+	select FW_ARC32 if CPU_LITTLE_ENDIAN
+	select FW_SNIPROM if CPU_BIG_ENDIAN
+	select ARCH_MAY_HAVE_PC_FDC
+	select ARCH_MIGHT_HAVE_PC_PARPORT
+	select ARCH_MIGHT_HAVE_PC_SERIO
+	select BOOT_ELF32
+	select CEVT_R4K
+	select CSRC_R4K
+	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
+	select DMA_NONCOHERENT
+	select GENERIC_ISA_DMA
+	select HAVE_EISA
+	select HAVE_PCSPKR_PLATFORM
+	select HAVE_PCI
+	select IRQ_MIPS_CPU
+	select I8253
+	select I8259
+	select ISA
+	select MIPS_L1_CACHE_SHIFT_6
+	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
+	select SYS_HAS_CPU_R4X00
+	select SYS_HAS_CPU_R5000
+	select SYS_HAS_CPU_R10000
+	select R5000_CPU_SCACHE
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select WAR_R4600_V2_HIT_CACHEOP
+	help
+	  The SNI RM200/300/400 are MIPS-based machines manufactured by
+	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
+	  Technology and now in turn merged with Fujitsu.  Say Y here to
+	  support this machine type.
+
+config MACH_TX49XX
+	bool "Toshiba TX49 series based machines"
+	select WAR_TX49XX_ICACHE_INDEX_INV
+
+config MIKROTIK_RB532
+	bool "Mikrotik RB532 boards"
+	select CEVT_R4K
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select HAVE_PCI
+	select IRQ_MIPS_CPU
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SWAP_IO_SPACE
+	select BOOT_RAW
+	select GPIOLIB
+	select MIPS_L1_CACHE_SHIFT_4
+	help
+	  Support the Mikrotik(tm) RouterBoard 532 series,
+	  based on the IDT RC32434 SoC.
+
+config CAVIUM_OCTEON_SOC
+	bool "Cavium Networks Octeon SoC based boards"
+	select CEVT_R4K
+	select ARCH_HAS_PHYS_TO_DMA
+	select HAVE_RAPIDIO
+	select PHYS_ADDR_T_64BIT
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select EDAC_SUPPORT
+	select EDAC_ATOMIC_SCRUB
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_HAS_CPU_CAVIUM_OCTEON
+	select HAVE_PCI
+	select HAVE_PLAT_DELAY
+	select HAVE_PLAT_FW_INIT_CMDLINE
+	select HAVE_PLAT_MEMCPY
+	select ZONE_DMA32
+	select GPIOLIB
+	select USE_OF
+	select ARCH_SPARSEMEM_ENABLE
+	select SYS_SUPPORTS_SMP
+	select NR_CPUS_DEFAULT_64
+	select MIPS_NR_CPU_NR_MAP_1024
+	select BUILTIN_DTB
+	select MTD
+	select MTD_COMPLEX_MAPPINGS
+	select SWIOTLB
+	select SYS_SUPPORTS_RELOCATABLE
+	help
+	  This option supports all of the Octeon reference boards from Cavium
+	  Networks. It builds a kernel that dynamically determines the Octeon
+	  CPU type and supports all known board reference implementations.
+	  Some of the supported boards are:
+		EBT3000
+		EBH3000
+		EBH3100
+		Thunder
+		Kodama
+		Hikari
+	  Say Y here for most Octeon reference boards.
+
+endchoice
+
+source "arch/mips/alchemy/Kconfig"
+source "arch/mips/ath25/Kconfig"
+source "arch/mips/ath79/Kconfig"
+source "arch/mips/bcm47xx/Kconfig"
+source "arch/mips/bcm63xx/Kconfig"
+source "arch/mips/bmips/Kconfig"
+source "arch/mips/generic/Kconfig"
+source "arch/mips/ingenic/Kconfig"
+source "arch/mips/jazz/Kconfig"
+source "arch/mips/lantiq/Kconfig"
+source "arch/mips/pic32/Kconfig"
+source "arch/mips/ralink/Kconfig"
+source "arch/mips/sgi-ip27/Kconfig"
+source "arch/mips/sibyte/Kconfig"
+source "arch/mips/txx9/Kconfig"
+source "arch/mips/cavium-octeon/Kconfig"
+source "arch/mips/loongson2ef/Kconfig"
+source "arch/mips/loongson32/Kconfig"
+source "arch/mips/loongson64/Kconfig"
+
+endmenu
+
+config GENERIC_HWEIGHT
+	bool
+	default y
+
+config GENERIC_CALIBRATE_DELAY
+	bool
+	default y
+
+config SCHED_OMIT_FRAME_POINTER
+	bool
+	default y
+
+#
+# Select some configuration options automatically based on user selections.
+#
+config FW_ARC
+	bool
+
+config ARCH_MAY_HAVE_PC_FDC
+	bool
+
+config BOOT_RAW
+	bool
+
+config CEVT_BCM1480
+	bool
+
+config CEVT_DS1287
+	bool
+
+config CEVT_GT641XX
+	bool
+
+config CEVT_R4K
+	bool
+
+config CEVT_SB1250
+	bool
+
+config CEVT_TXX9
+	bool
+
+config CSRC_BCM1480
+	bool
+
+config CSRC_IOASIC
+	bool
+
+config CSRC_R4K
+	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
+	bool
+
+config CSRC_SB1250
+	bool
+
+config MIPS_CLOCK_VSYSCALL
+	def_bool CSRC_R4K || CLKSRC_MIPS_GIC
+
+config GPIO_TXX9
+	select GPIOLIB
+	bool
+
+config FW_CFE
+	bool
+
+config ARCH_SUPPORTS_UPROBES
+	bool
+
+config DMA_PERDEV_COHERENT
+	bool
+	select ARCH_HAS_SETUP_DMA_OPS
+	select DMA_NONCOHERENT
+
+config DMA_NONCOHERENT
+	bool
+	#
+	# MIPS allows mixing "slightly different" Cacheability and Coherency
+	# Attribute bits.  It is believed that the uncached access through
+	# KSEG1 and the implementation specific "uncached accelerated" used
+	# by pgprot_writcombine can be mixed, and the latter sometimes provides
+	# significant advantages.
+	#
+	select ARCH_HAS_DMA_WRITE_COMBINE
+	select ARCH_HAS_DMA_PREP_COHERENT
+	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
+	select ARCH_HAS_DMA_SET_UNCACHED
+	select DMA_NONCOHERENT_MMAP
+	select NEED_DMA_MAP_STATE
+
+config SYS_HAS_EARLY_PRINTK
+	bool
+
+config SYS_SUPPORTS_HOTPLUG_CPU
+	bool
+
+config MIPS_BONITO64
+	bool
+
+config MIPS_MSC
+	bool
+
+config SYNC_R4K
+	bool
+
+config NO_IOPORT_MAP
+	def_bool n
+
+config GENERIC_CSUM
+	def_bool CPU_NO_LOAD_STORE_LR
+
+config GENERIC_ISA_DMA
+	bool
+	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
+	select ISA_DMA_API
+
+config GENERIC_ISA_DMA_SUPPORT_BROKEN
+	bool
+	select GENERIC_ISA_DMA
+
+config HAVE_PLAT_DELAY
+	bool
+
+config HAVE_PLAT_FW_INIT_CMDLINE
+	bool
+
+config HAVE_PLAT_MEMCPY
+	bool
+
+config ISA_DMA_API
+	bool
+
+config SYS_SUPPORTS_RELOCATABLE
+	bool
+	help
+	  Selected if the platform supports relocating the kernel.
+	  The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
+	  to allow access to command line and entropy sources.
+
+#
+# Endianness selection.  Sufficiently obscure so many users don't know what to
+# answer,so we try hard to limit the available choices.  Also the use of a
+# choice statement should be more obvious to the user.
+#
+choice
+	prompt "Endianness selection"
+	help
+	  Some MIPS machines can be configured for either little or big endian
+	  byte order. These modes require different kernels and a different
+	  Linux distribution.  In general there is one preferred byteorder for a
+	  particular system but some systems are just as commonly used in the
+	  one or the other endianness.
+
+config CPU_BIG_ENDIAN
+	bool "Big endian"
+	depends on SYS_SUPPORTS_BIG_ENDIAN
+
+config CPU_LITTLE_ENDIAN
+	bool "Little endian"
+	depends on SYS_SUPPORTS_LITTLE_ENDIAN
+
+endchoice
+
+config EXPORT_UASM
+	bool
+
+config SYS_SUPPORTS_APM_EMULATION
+	bool
+
+config SYS_SUPPORTS_BIG_ENDIAN
+	bool
+
+config SYS_SUPPORTS_LITTLE_ENDIAN
+	bool
+
+config MIPS_HUGE_TLB_SUPPORT
+	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
+
+config IRQ_MSP_SLP
+	bool
+
+config IRQ_MSP_CIC
+	bool
+
+config IRQ_TXX9
+	bool
+
+config IRQ_GT641XX
+	bool
+
+config PCI_GT64XXX_PCI0
+	bool
+
+config PCI_XTALK_BRIDGE
+	bool
+
+config NO_EXCEPT_FILL
+	bool
+
+config MIPS_SPRAM
+	bool
+
+config SWAP_IO_SPACE
+	bool
+
+config SGI_HAS_INDYDOG
+	bool
+
+config SGI_HAS_HAL2
+	bool
+
+config SGI_HAS_SEEQ
+	bool
+
+config SGI_HAS_WD93
+	bool
+
+config SGI_HAS_ZILOG
+	bool
+
+config SGI_HAS_I8042
+	bool
+
+config DEFAULT_SGI_PARTITION
+	bool
+
+config FW_ARC32
+	bool
+
+config FW_SNIPROM
+	bool
+
+config BOOT_ELF32
+	bool
+
+config MIPS_L1_CACHE_SHIFT_4
+	bool
+
+config MIPS_L1_CACHE_SHIFT_5
+	bool
+
+config MIPS_L1_CACHE_SHIFT_6
+	bool
+
+config MIPS_L1_CACHE_SHIFT_7
+	bool
+
+config MIPS_L1_CACHE_SHIFT
+	int
+	default "7" if MIPS_L1_CACHE_SHIFT_7
+	default "6" if MIPS_L1_CACHE_SHIFT_6
+	default "5" if MIPS_L1_CACHE_SHIFT_5
+	default "4" if MIPS_L1_CACHE_SHIFT_4
+	default "5"
+
+config ARC_CMDLINE_ONLY
+	bool
+
+config ARC_CONSOLE
+	bool "ARC console support"
+	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
+
+config ARC_MEMORY
+	bool
+
+config ARC_PROMLIB
+	bool
+
+config FW_ARC64
+	bool
+
+config BOOT_ELF64
+	bool
+
+menu "CPU selection"
+
+choice
+	prompt "CPU type"
+	default CPU_R4X00
+
+config CPU_LOONGSON64
+	bool "Loongson 64-bit CPU"
+	depends on SYS_HAS_CPU_LOONGSON64
+	select ARCH_HAS_PHYS_TO_DMA
+	select CPU_MIPSR2
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	select CPU_SUPPORTS_MSA
+	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
+	select CPU_MIPSR2_IRQ_VI
+	select DMA_NONCOHERENT
+	select WEAK_ORDERING
+	select WEAK_REORDERING_BEYOND_LLSC
+	select MIPS_ASID_BITS_VARIABLE
+	select MIPS_PGD_C0_CONTEXT
+	select MIPS_L1_CACHE_SHIFT_6
+	select MIPS_FP_SUPPORT
+	select GPIOLIB
+	select SWIOTLB
+	select HAVE_KVM
+	help
+	  The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
+	  cores implements the MIPS64R2 instruction set with many extensions,
+	  including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
+	  3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
+	  Loongson-2E/2F is not covered here and will be removed in future.
+
+config LOONGSON3_ENHANCEMENT
+	bool "New Loongson-3 CPU Enhancements"
+	default n
+	depends on CPU_LOONGSON64
+	help
+	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
+	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
+	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
+	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
+	  Fast TLB refill support, etc.
+
+	  This option enable those enhancements which are not probed at run
+	  time. If you want a generic kernel to run on all Loongson 3 machines,
+	  please say 'N' here. If you want a high-performance kernel to run on
+	  new Loongson-3 machines only, please say 'Y' here.
+
+config CPU_LOONGSON3_WORKAROUNDS
+	bool "Loongson-3 LLSC Workarounds"
+	default y if SMP
+	depends on CPU_LOONGSON64
+	help
+	  Loongson-3 processors have the llsc issues which require workarounds.
+	  Without workarounds the system may hang unexpectedly.
+
+	  Say Y, unless you know what you are doing.
+
+config CPU_LOONGSON3_CPUCFG_EMULATION
+	bool "Emulate the CPUCFG instruction on older Loongson cores"
+	default y
+	depends on CPU_LOONGSON64
+	help
+	  Loongson-3A R4 and newer have the CPUCFG instruction available for
+	  userland to query CPU capabilities, much like CPUID on x86. This
+	  option provides emulation of the instruction on older Loongson
+	  cores, back to Loongson-3A1000.
+
+	  If unsure, please say Y.
+
+config CPU_LOONGSON2E
+	bool "Loongson 2E"
+	depends on SYS_HAS_CPU_LOONGSON2E
+	select CPU_LOONGSON2EF
+	help
+	  The Loongson 2E processor implements the MIPS III instruction set
+	  with many extensions.
+
+	  It has an internal FPGA northbridge, which is compatible to
+	  bonito64.
+
+config CPU_LOONGSON2F
+	bool "Loongson 2F"
+	depends on SYS_HAS_CPU_LOONGSON2F
+	select CPU_LOONGSON2EF
+	select GPIOLIB
+	help
+	  The Loongson 2F processor implements the MIPS III instruction set
+	  with many extensions.
+
+	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
+	  have a similar programming interface with FPGA northbridge used in
+	  Loongson2E.
+
+config CPU_LOONGSON1B
+	bool "Loongson 1B"
+	depends on SYS_HAS_CPU_LOONGSON1B
+	select CPU_LOONGSON32
+	select LEDS_GPIO_REGISTER
+	help
+	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
+	  Release 1 instruction set and part of the MIPS32 Release 2
+	  instruction set.
+
+config CPU_LOONGSON1C
+	bool "Loongson 1C"
+	depends on SYS_HAS_CPU_LOONGSON1C
+	select CPU_LOONGSON32
+	select LEDS_GPIO_REGISTER
+	help
+	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
+	  Release 1 instruction set and part of the MIPS32 Release 2
+	  instruction set.
+
+config CPU_MIPS32_R1
+	bool "MIPS32 Release 1"
+	depends on SYS_HAS_CPU_MIPS32_R1
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	help
+	  Choose this option to build a kernel for release 1 or later of the
+	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
+	  MIPS processor are based on a MIPS32 processor.  If you know the
+	  specific type of processor in your system, choose those that one
+	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
+	  Release 2 of the MIPS32 architecture is available since several
+	  years so chances are you even have a MIPS32 Release 2 processor
+	  in which case you should choose CPU_MIPS32_R2 instead for better
+	  performance.
+
+config CPU_MIPS32_R2
+	bool "MIPS32 Release 2"
+	depends on SYS_HAS_CPU_MIPS32_R2
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_MSA
+	select HAVE_KVM
+	help
+	  Choose this option to build a kernel for release 2 or later of the
+	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
+	  MIPS processor are based on a MIPS32 processor.  If you know the
+	  specific type of processor in your system, choose those that one
+	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
+
+config CPU_MIPS32_R5
+	bool "MIPS32 Release 5"
+	depends on SYS_HAS_CPU_MIPS32_R5
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_MSA
+	select HAVE_KVM
+	select MIPS_O32_FP64_SUPPORT
+	help
+	  Choose this option to build a kernel for release 5 or later of the
+	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
+	  family, are based on a MIPS32r5 processor. If you own an older
+	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
+
+config CPU_MIPS32_R6
+	bool "MIPS32 Release 6"
+	depends on SYS_HAS_CPU_MIPS32_R6
+	select CPU_HAS_PREFETCH
+	select CPU_NO_LOAD_STORE_LR
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_MSA
+	select HAVE_KVM
+	select MIPS_O32_FP64_SUPPORT
+	help
+	  Choose this option to build a kernel for release 6 or later of the
+	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
+	  family, are based on a MIPS32r6 processor. If you own an older
+	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
+
+config CPU_MIPS64_R1
+	bool "MIPS64 Release 1"
+	depends on SYS_HAS_CPU_MIPS64_R1
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	help
+	  Choose this option to build a kernel for release 1 or later of the
+	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
+	  MIPS processor are based on a MIPS64 processor.  If you know the
+	  specific type of processor in your system, choose those that one
+	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
+	  Release 2 of the MIPS64 architecture is available since several
+	  years so chances are you even have a MIPS64 Release 2 processor
+	  in which case you should choose CPU_MIPS64_R2 instead for better
+	  performance.
+
+config CPU_MIPS64_R2
+	bool "MIPS64 Release 2"
+	depends on SYS_HAS_CPU_MIPS64_R2
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	select CPU_SUPPORTS_MSA
+	select HAVE_KVM
+	help
+	  Choose this option to build a kernel for release 2 or later of the
+	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
+	  MIPS processor are based on a MIPS64 processor.  If you know the
+	  specific type of processor in your system, choose those that one
+	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
+
+config CPU_MIPS64_R5
+	bool "MIPS64 Release 5"
+	depends on SYS_HAS_CPU_MIPS64_R5
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	select CPU_SUPPORTS_MSA
+	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
+	select HAVE_KVM
+	help
+	  Choose this option to build a kernel for release 5 or later of the
+	  MIPS64 architecture.  This is a intermediate MIPS architecture
+	  release partly implementing release 6 features. Though there is no
+	  any hardware known to be based on this release.
+
+config CPU_MIPS64_R6
+	bool "MIPS64 Release 6"
+	depends on SYS_HAS_CPU_MIPS64_R6
+	select CPU_HAS_PREFETCH
+	select CPU_NO_LOAD_STORE_LR
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	select CPU_SUPPORTS_MSA
+	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
+	select HAVE_KVM
+	help
+	  Choose this option to build a kernel for release 6 or later of the
+	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
+	  family, are based on a MIPS64r6 processor. If you own an older
+	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
+
+config CPU_P5600
+	bool "MIPS Warrior P5600"
+	depends on SYS_HAS_CPU_P5600
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_MSA
+	select CPU_SUPPORTS_CPUFREQ
+	select CPU_MIPSR2_IRQ_VI
+	select CPU_MIPSR2_IRQ_EI
+	select HAVE_KVM
+	select MIPS_O32_FP64_SUPPORT
+	help
+	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
+	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
+	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
+	  level features like up to six P5600 calculation cores, CM2 with L2
+	  cache, IOCU/IOMMU (though might be unused depending on the system-
+	  specific IP core configuration), GIC, CPC, virtualisation module,
+	  eJTAG and PDtrace.
+
+config CPU_R3000
+	bool "R3000"
+	depends on SYS_HAS_CPU_R3000
+	select CPU_HAS_WB
+	select CPU_R3K_TLB
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	help
+	  Please make sure to pick the right CPU type. Linux/MIPS is not
+	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
+	  *not* work on R4000 machines and vice versa.  However, since most
+	  of the supported machines have an R4000 (or similar) CPU, R4x00
+	  might be a safe bet.  If the resulting kernel does not work,
+	  try to recompile with R3000.
+
+config CPU_R4300
+	bool "R4300"
+	depends on SYS_HAS_CPU_R4300
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	help
+	  MIPS Technologies R4300-series processors.
+
+config CPU_R4X00
+	bool "R4x00"
+	depends on SYS_HAS_CPU_R4X00
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HUGEPAGES
+	help
+	  MIPS Technologies R4000-series processors other than 4300, including
+	  the R4000, R4400, R4600, and 4700.
+
+config CPU_TX49XX
+	bool "R49XX"
+	depends on SYS_HAS_CPU_TX49XX
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HUGEPAGES
+
+config CPU_R5000
+	bool "R5000"
+	depends on SYS_HAS_CPU_R5000
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HUGEPAGES
+	help
+	  MIPS Technologies R5000-series processors other than the Nevada.
+
+config CPU_R5500
+	bool "R5500"
+	depends on SYS_HAS_CPU_R5500
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HUGEPAGES
+	help
+	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
+	  instruction set.
+
+config CPU_NEVADA
+	bool "RM52xx"
+	depends on SYS_HAS_CPU_NEVADA
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HUGEPAGES
+	help
+	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.
+
+config CPU_R10000
+	bool "R10000"
+	depends on SYS_HAS_CPU_R10000
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	help
+	  MIPS Technologies R10000-series processors.
+
+config CPU_RM7000
+	bool "RM7000"
+	depends on SYS_HAS_CPU_RM7000
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+
+config CPU_SB1
+	bool "SB1"
+	depends on SYS_HAS_CPU_SB1
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	select WEAK_ORDERING
+
+config CPU_CAVIUM_OCTEON
+	bool "Cavium Octeon processor"
+	depends on SYS_HAS_CPU_CAVIUM_OCTEON
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select WEAK_ORDERING
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select MIPS_L1_CACHE_SHIFT_7
+	select HAVE_KVM
+	help
+	  The Cavium Octeon processor is a highly integrated chip containing
+	  many ethernet hardware widgets for networking tasks. The processor
+	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
+	  Full details can be found at http://www.caviumnetworks.com.
+
+config CPU_BMIPS
+	bool "Broadcom BMIPS"
+	depends on SYS_HAS_CPU_BMIPS
+	select CPU_MIPS32
+	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
+	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
+	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
+	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+	select SWAP_IO_SPACE
+	select WEAK_ORDERING
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_CPUFREQ
+	select MIPS_EXTERNAL_TIMER
+	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
+	help
+	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
+
+endchoice
+
+config CPU_MIPS32_3_5_FEATURES
+	bool "MIPS32 Release 3.5 Features"
+	depends on SYS_HAS_CPU_MIPS32_R3_5
+	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
+		   CPU_P5600
+	help
+	  Choose this option to build a kernel for release 2 or later of the
+	  MIPS32 architecture including features from the 3.5 release such as
+	  support for Enhanced Virtual Addressing (EVA).
+
+config CPU_MIPS32_3_5_EVA
+	bool "Enhanced Virtual Addressing (EVA)"
+	depends on CPU_MIPS32_3_5_FEATURES
+	select EVA
+	default y
+	help
+	  Choose this option if you want to enable the Enhanced Virtual
+	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
+	  One of its primary benefits is an increase in the maximum size
+	  of lowmem (up to 3GB). If unsure, say 'N' here.
+
+config CPU_MIPS32_R5_FEATURES
+	bool "MIPS32 Release 5 Features"
+	depends on SYS_HAS_CPU_MIPS32_R5
+	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
+	help
+	  Choose this option to build a kernel for release 2 or later of the
+	  MIPS32 architecture including features from release 5 such as
+	  support for Extended Physical Addressing (XPA).
+
+config CPU_MIPS32_R5_XPA
+	bool "Extended Physical Addressing (XPA)"
+	depends on CPU_MIPS32_R5_FEATURES
+	depends on !EVA
+	depends on !PAGE_SIZE_4KB
+	depends on SYS_SUPPORTS_HIGHMEM
+	select XPA
+	select HIGHMEM
+	select PHYS_ADDR_T_64BIT
+	default n
+	help
+	  Choose this option if you want to enable the Extended Physical
+	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
+	  benefit is to increase physical addressing equal to or greater
+	  than 40 bits. Note that this has the side effect of turning on
+	  64-bit addressing which in turn makes the PTEs 64-bit in size.
+	  If unsure, say 'N' here.
+
+if CPU_LOONGSON2F
+config CPU_NOP_WORKAROUNDS
+	bool
+
+config CPU_JUMP_WORKAROUNDS
+	bool
+
+config CPU_LOONGSON2F_WORKAROUNDS
+	bool "Loongson 2F Workarounds"
+	default y
+	select CPU_NOP_WORKAROUNDS
+	select CPU_JUMP_WORKAROUNDS
+	help
+	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
+	  require workarounds.  Without workarounds the system may hang
+	  unexpectedly.  For more information please refer to the gas
+	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
+
+	  Loongson 2F03 and later have fixed these issues and no workarounds
+	  are needed.  The workarounds have no significant side effect on them
+	  but may decrease the performance of the system so this option should
+	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
+	  systems.
+
+	  If unsure, please say Y.
+endif # CPU_LOONGSON2F
+
+config SYS_SUPPORTS_ZBOOT
+	bool
+	select HAVE_KERNEL_GZIP
+	select HAVE_KERNEL_BZIP2
+	select HAVE_KERNEL_LZ4
+	select HAVE_KERNEL_LZMA
+	select HAVE_KERNEL_LZO
+	select HAVE_KERNEL_XZ
+	select HAVE_KERNEL_ZSTD
+
+config SYS_SUPPORTS_ZBOOT_UART16550
+	bool
+	select SYS_SUPPORTS_ZBOOT
+
+config SYS_SUPPORTS_ZBOOT_UART_PROM
+	bool
+	select SYS_SUPPORTS_ZBOOT
+
+config CPU_LOONGSON2EF
+	bool
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
+	select ARCH_HAS_PHYS_TO_DMA
+
+config CPU_LOONGSON32
+	bool
+	select CPU_MIPS32
+	select CPU_MIPSR2
+	select CPU_HAS_PREFETCH
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_CPUFREQ
+
+config CPU_BMIPS32_3300
+	select SMP_UP if SMP
+	bool
+
+config CPU_BMIPS4350
+	bool
+	select SYS_SUPPORTS_SMP
+	select SYS_SUPPORTS_HOTPLUG_CPU
+
+config CPU_BMIPS4380
+	bool
+	select MIPS_L1_CACHE_SHIFT_6
+	select SYS_SUPPORTS_SMP
+	select SYS_SUPPORTS_HOTPLUG_CPU
+	select CPU_HAS_RIXI
+
+config CPU_BMIPS5000
+	bool
+	select MIPS_CPU_SCACHE
+	select MIPS_L1_CACHE_SHIFT_7
+	select SYS_SUPPORTS_SMP
+	select SYS_SUPPORTS_HOTPLUG_CPU
+	select CPU_HAS_RIXI
+
+config SYS_HAS_CPU_LOONGSON64
+	bool
+	select CPU_SUPPORTS_CPUFREQ
+	select CPU_HAS_RIXI
+
+config SYS_HAS_CPU_LOONGSON2E
+	bool
+
+config SYS_HAS_CPU_LOONGSON2F
+	bool
+	select CPU_SUPPORTS_CPUFREQ
+	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
+
+config SYS_HAS_CPU_LOONGSON1B
+	bool
+
+config SYS_HAS_CPU_LOONGSON1C
+	bool
+
+config SYS_HAS_CPU_MIPS32_R1
+	bool
+
+config SYS_HAS_CPU_MIPS32_R2
+	bool
+
+config SYS_HAS_CPU_MIPS32_R3_5
+	bool
+
+config SYS_HAS_CPU_MIPS32_R5
+	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+
+config SYS_HAS_CPU_MIPS32_R6
+	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+
+config SYS_HAS_CPU_MIPS64_R1
+	bool
+
+config SYS_HAS_CPU_MIPS64_R2
+	bool
+
+config SYS_HAS_CPU_MIPS64_R5
+	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+
+config SYS_HAS_CPU_MIPS64_R6
+	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+
+config SYS_HAS_CPU_P5600
+	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+
+config SYS_HAS_CPU_R3000
+	bool
+
+config SYS_HAS_CPU_R4300
+	bool
+
+config SYS_HAS_CPU_R4X00
+	bool
+
+config SYS_HAS_CPU_TX49XX
+	bool
+
+config SYS_HAS_CPU_R5000
+	bool
+
+config SYS_HAS_CPU_R5500
+	bool
+
+config SYS_HAS_CPU_NEVADA
+	bool
+
+config SYS_HAS_CPU_R10000
+	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+
+config SYS_HAS_CPU_RM7000
+	bool
+
+config SYS_HAS_CPU_SB1
+	bool
+
+config SYS_HAS_CPU_CAVIUM_OCTEON
+	bool
+
+config SYS_HAS_CPU_BMIPS
+	bool
+
+config SYS_HAS_CPU_BMIPS32_3300
+	bool
+	select SYS_HAS_CPU_BMIPS
+
+config SYS_HAS_CPU_BMIPS4350
+	bool
+	select SYS_HAS_CPU_BMIPS
+
+config SYS_HAS_CPU_BMIPS4380
+	bool
+	select SYS_HAS_CPU_BMIPS
+
+config SYS_HAS_CPU_BMIPS5000
+	bool
+	select SYS_HAS_CPU_BMIPS
+	select ARCH_HAS_SYNC_DMA_FOR_CPU
+
+#
+# CPU may reorder R->R, R->W, W->R, W->W
+# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
+#
+config WEAK_ORDERING
+	bool
+
+#
+# CPU may reorder reads and writes beyond LL/SC
+# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
+#
+config WEAK_REORDERING_BEYOND_LLSC
+	bool
+endmenu
+
+#
+# These two indicate any level of the MIPS32 and MIPS64 architecture
+#
+config CPU_MIPS32
+	bool
+	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
+		     CPU_MIPS32_R6 || CPU_P5600
+
+config CPU_MIPS64
+	bool
+	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
+		     CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
+
+#
+# These indicate the revision of the architecture
+#
+config CPU_MIPSR1
+	bool
+	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
+
+config CPU_MIPSR2
+	bool
+	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
+	select CPU_HAS_RIXI
+	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
+	select MIPS_SPRAM
+
+config CPU_MIPSR5
+	bool
+	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
+	select CPU_HAS_RIXI
+	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
+	select MIPS_SPRAM
+
+config CPU_MIPSR6
+	bool
+	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
+	select CPU_HAS_RIXI
+	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
+	select HAVE_ARCH_BITREVERSE
+	select MIPS_ASID_BITS_VARIABLE
+	select MIPS_CRC_SUPPORT
+	select MIPS_SPRAM
+
+config TARGET_ISA_REV
+	int
+	default 1 if CPU_MIPSR1
+	default 2 if CPU_MIPSR2
+	default 5 if CPU_MIPSR5
+	default 6 if CPU_MIPSR6
+	default 0
+	help
+	  Reflects the ISA revision being targeted by the kernel build. This
+	  is effectively the Kconfig equivalent of MIPS_ISA_REV.
+
+config EVA
+	bool
+
+config XPA
+	bool
+
+config SYS_SUPPORTS_32BIT_KERNEL
+	bool
+config SYS_SUPPORTS_64BIT_KERNEL
+	bool
+config CPU_SUPPORTS_32BIT_KERNEL
+	bool
+config CPU_SUPPORTS_64BIT_KERNEL
+	bool
+config CPU_SUPPORTS_CPUFREQ
+	bool
+config CPU_SUPPORTS_ADDRWINCFG
+	bool
+config CPU_SUPPORTS_HUGEPAGES
+	bool
+	depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
+config MIPS_PGD_C0_CONTEXT
+	bool
+	depends on 64BIT
+	default y if (CPU_MIPSR2 || CPU_MIPSR6)
+
+#
+# Set to y for ptrace access to watch registers.
+#
+config HARDWARE_WATCHPOINTS
+	bool
+	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
+
+menu "Kernel type"
+
+choice
+	prompt "Kernel code model"
+	help
+	  You should only select this option if you have a workload that
+	  actually benefits from 64-bit processing or if your machine has
+	  large memory.  You will only be presented a single option in this
+	  menu if your system does not support both 32-bit and 64-bit kernels.
+
+config 32BIT
+	bool "32-bit kernel"
+	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
+	select TRAD_SIGNALS
+	help
+	  Select this option if you want to build a 32-bit kernel.
+
+config 64BIT
+	bool "64-bit kernel"
+	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
+	help
+	  Select this option if you want to build a 64-bit kernel.
+
+endchoice
+
+config MIPS_VA_BITS_48
+	bool "48 bits virtual memory"
+	depends on 64BIT
+	help
+	  Support a maximum at least 48 bits of application virtual
+	  memory.  Default is 40 bits or less, depending on the CPU.
+	  For page sizes 16k and above, this option results in a small
+	  memory overhead for page tables.  For 4k page size, a fourth
+	  level of page tables is added which imposes both a memory
+	  overhead as well as slower TLB fault handling.
+
+	  If unsure, say N.
+
+config ZBOOT_LOAD_ADDRESS
+	hex "Compressed kernel load address"
+	default 0xffffffff80400000 if BCM47XX
+	default 0x0
+	depends on SYS_SUPPORTS_ZBOOT
+	help
+	  The address to load compressed kernel, aka vmlinuz.
+
+	  This is only used if non-zero.
+
+choice
+	prompt "Kernel page size"
+	default PAGE_SIZE_4KB
+
+config PAGE_SIZE_4KB
+	bool "4kB"
+	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
+	help
+	  This option select the standard 4kB Linux page size.  On some
+	  R3000-family processors this is the only available page size.  Using
+	  4kB page size will minimize memory consumption and is therefore
+	  recommended for low memory systems.
+
+config PAGE_SIZE_8KB
+	bool "8kB"
+	depends on CPU_CAVIUM_OCTEON
+	depends on !MIPS_VA_BITS_48
+	help
+	  Using 8kB page size will result in higher performance kernel at
+	  the price of higher memory consumption.  This option is available
+	  only on cnMIPS processors.  Note that you will need a suitable Linux
+	  distribution to support this.
+
+config PAGE_SIZE_16KB
+	bool "16kB"
+	depends on !CPU_R3000
+	help
+	  Using 16kB page size will result in higher performance kernel at
+	  the price of higher memory consumption.  This option is available on
+	  all non-R3000 family processors.  Note that you will need a suitable
+	  Linux distribution to support this.
+
+config PAGE_SIZE_32KB
+	bool "32kB"
+	depends on CPU_CAVIUM_OCTEON
+	depends on !MIPS_VA_BITS_48
+	help
+	  Using 32kB page size will result in higher performance kernel at
+	  the price of higher memory consumption.  This option is available
+	  only on cnMIPS cores.  Note that you will need a suitable Linux
+	  distribution to support this.
+
+config PAGE_SIZE_64KB
+	bool "64kB"
+	depends on !CPU_R3000
+	help
+	  Using 64kB page size will result in higher performance kernel at
+	  the price of higher memory consumption.  This option is available on
+	  all non-R3000 family processor.  Not that at the time of this
+	  writing this option is still high experimental.
+
+endchoice
+
+config ARCH_FORCE_MAX_ORDER
+	int "Maximum zone order"
+	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
+	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
+	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
+	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
+	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
+	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
+	range 0 64
+	default "11"
+	help
+	  The kernel memory allocator divides physically contiguous memory
+	  blocks into "zones", where each zone is a power of two number of
+	  pages.  This option selects the largest power of two that the kernel
+	  keeps in the memory allocator.  If you need to allocate very large
+	  blocks of physically contiguous memory, then you may need to
+	  increase this value.
+
+	  This config option is actually maximum order plus one. For example,
+	  a value of 11 means that the largest free memory block is 2^10 pages.
+
+	  The page size is not necessarily 4KB.  Keep this in mind
+	  when choosing a value for this option.
+
+config BOARD_SCACHE
+	bool
+
+config IP22_CPU_SCACHE
+	bool
+	select BOARD_SCACHE
+
+#
+# Support for a MIPS32 / MIPS64 style S-caches
+#
+config MIPS_CPU_SCACHE
+	bool
+	select BOARD_SCACHE
+
+config R5000_CPU_SCACHE
+	bool
+	select BOARD_SCACHE
+
+config RM7000_CPU_SCACHE
+	bool
+	select BOARD_SCACHE
+
+config SIBYTE_DMA_PAGEOPS
+	bool "Use DMA to clear/copy pages"
+	depends on CPU_SB1
+	help
+	  Instead of using the CPU to zero and copy pages, use a Data Mover
+	  channel.  These DMA channels are otherwise unused by the standard
+	  SiByte Linux port.  Seems to give a small performance benefit.
+
+config CPU_HAS_PREFETCH
+	bool
+
+config CPU_GENERIC_DUMP_TLB
+	bool
+	default y if !CPU_R3000
+
+config MIPS_FP_SUPPORT
+	bool "Floating Point support" if EXPERT
+	default y
+	help
+	  Select y to include support for floating point in the kernel
+	  including initialization of FPU hardware, FP context save & restore
+	  and emulation of an FPU where necessary. Without this support any
+	  userland program attempting to use floating point instructions will
+	  receive a SIGILL.
+
+	  If you know that your userland will not attempt to use floating point
+	  instructions then you can say n here to shrink the kernel a little.
+
+	  If unsure, say y.
+
+config CPU_R2300_FPU
+	bool
+	depends on MIPS_FP_SUPPORT
+	default y if CPU_R3000
+
+config CPU_R3K_TLB
+	bool
+
+config CPU_R4K_FPU
+	bool
+	depends on MIPS_FP_SUPPORT
+	default y if !CPU_R2300_FPU
+
+config CPU_R4K_CACHE_TLB
+	bool
+	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
+
+config MIPS_MT_SMP
+	bool "MIPS MT SMP support (1 TC on each available VPE)"
+	default y
+	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
+	select CPU_MIPSR2_IRQ_VI
+	select CPU_MIPSR2_IRQ_EI
+	select SYNC_R4K
+	select MIPS_MT
+	select SMP
+	select SMP_UP
+	select SYS_SUPPORTS_SMP
+	select SYS_SUPPORTS_SCHED_SMT
+	select MIPS_PERF_SHARED_TC_COUNTERS
+	help
+	  This is a kernel model which is known as SMVP. This is supported
+	  on cores with the MT ASE and uses the available VPEs to implement
+	  virtual processors which supports SMP. This is equivalent to the
+	  Intel Hyperthreading feature. For further information go to
+	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
+
+config MIPS_MT
+	bool
+
+config SCHED_SMT
+	bool "SMT (multithreading) scheduler support"
+	depends on SYS_SUPPORTS_SCHED_SMT
+	default n
+	help
+	  SMT scheduler support improves the CPU scheduler's decision making
+	  when dealing with MIPS MT enabled cores at a cost of slightly
+	  increased overhead in some places. If unsure say N here.
+
+config SYS_SUPPORTS_SCHED_SMT
+	bool
+
+config SYS_SUPPORTS_MULTITHREADING
+	bool
+
+config MIPS_MT_FPAFF
+	bool "Dynamic FPU affinity for FP-intensive threads"
+	default y
+	depends on MIPS_MT_SMP
+
+config MIPSR2_TO_R6_EMULATOR
+	bool "MIPS R2-to-R6 emulator"
+	depends on CPU_MIPSR6
+	depends on MIPS_FP_SUPPORT
+	default y
+	help
+	  Choose this option if you want to run non-R6 MIPS userland code.
+	  Even if you say 'Y' here, the emulator will still be disabled by
+	  default. You can enable it using the 'mipsr2emu' kernel option.
+	  The only reason this is a build-time option is to save ~14K from the
+	  final kernel image.
+
+config SYS_SUPPORTS_VPE_LOADER
+	bool
+	depends on SYS_SUPPORTS_MULTITHREADING
+	help
+	  Indicates that the platform supports the VPE loader, and provides
+	  physical_memsize.
+
+config MIPS_VPE_LOADER
+	bool "VPE loader support."
+	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
+	select CPU_MIPSR2_IRQ_VI
+	select CPU_MIPSR2_IRQ_EI
+	select MIPS_MT
+	help
+	  Includes a loader for loading an elf relocatable object
+	  onto another VPE and running it.
+
+config MIPS_VPE_LOADER_CMP
+	bool
+	default "y"
+	depends on MIPS_VPE_LOADER && MIPS_CMP
+
+config MIPS_VPE_LOADER_MT
+	bool
+	default "y"
+	depends on MIPS_VPE_LOADER && !MIPS_CMP
+
+config MIPS_VPE_LOADER_TOM
+	bool "Load VPE program into memory hidden from linux"
+	depends on MIPS_VPE_LOADER
+	default y
+	help
+	  The loader can use memory that is present but has been hidden from
+	  Linux using the kernel command line option "mem=xxMB". It's up to
+	  you to ensure the amount you put in the option and the space your
+	  program requires is less or equal to the amount physically present.
+
+config MIPS_VPE_APSP_API
+	bool "Enable support for AP/SP API (RTLX)"
+	depends on MIPS_VPE_LOADER
+
+config MIPS_VPE_APSP_API_CMP
+	bool
+	default "y"
+	depends on MIPS_VPE_APSP_API && MIPS_CMP
+
+config MIPS_VPE_APSP_API_MT
+	bool
+	default "y"
+	depends on MIPS_VPE_APSP_API && !MIPS_CMP
+
+config MIPS_CMP
+	bool "MIPS CMP framework support (DEPRECATED)"
+	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
+	select SMP
+	select SYNC_R4K
+	select SYS_SUPPORTS_SMP
+	select WEAK_ORDERING
+	default n
+	help
+	  Select this if you are using a bootloader which implements the "CMP
+	  framework" protocol (ie. YAMON) and want your kernel to make use of
+	  its ability to start secondary CPUs.
+
+	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
+	  instead of this.
+
+config MIPS_CPS
+	bool "MIPS Coherent Processing System support"
+	depends on SYS_SUPPORTS_MIPS_CPS
+	select MIPS_CM
+	select MIPS_CPS_PM if HOTPLUG_CPU
+	select SMP
+	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
+	select SYS_SUPPORTS_HOTPLUG_CPU
+	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
+	select SYS_SUPPORTS_SMP
+	select WEAK_ORDERING
+	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
+	help
+	  Select this if you wish to run an SMP kernel across multiple cores
+	  within a MIPS Coherent Processing System. When this option is
+	  enabled the kernel will probe for other cores and boot them with
+	  no external assistance. It is safe to enable this when hardware
+	  support is unavailable.
+
+config MIPS_CPS_PM
+	depends on MIPS_CPS
+	bool
+
+config MIPS_CM
+	bool
+	select MIPS_CPC
+
+config MIPS_CPC
+	bool
+
+config SB1_PASS_2_WORKAROUNDS
+	bool
+	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
+	default y
+
+config SB1_PASS_2_1_WORKAROUNDS
+	bool
+	depends on CPU_SB1 && CPU_SB1_PASS_2
+	default y
+
+choice
+	prompt "SmartMIPS or microMIPS ASE support"
+
+config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
+	bool "None"
+	help
+	  Select this if you want neither microMIPS nor SmartMIPS support
+
+config CPU_HAS_SMARTMIPS
+	depends on SYS_SUPPORTS_SMARTMIPS
+	bool "SmartMIPS"
+	help
+	  SmartMIPS is a extension of the MIPS32 architecture aimed at
+	  increased security at both hardware and software level for
+	  smartcards.  Enabling this option will allow proper use of the
+	  SmartMIPS instructions by Linux applications.  However a kernel with
+	  this option will not work on a MIPS core without SmartMIPS core.  If
+	  you don't know you probably don't have SmartMIPS and should say N
+	  here.
+
+config CPU_MICROMIPS
+	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
+	bool "microMIPS"
+	help
+	  When this option is enabled the kernel will be built using the
+	  microMIPS ISA
+
+endchoice
+
+config CPU_HAS_MSA
+	bool "Support for the MIPS SIMD Architecture"
+	depends on CPU_SUPPORTS_MSA
+	depends on MIPS_FP_SUPPORT
+	depends on 64BIT || MIPS_O32_FP64_SUPPORT
+	help
+	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
+	  and a set of SIMD instructions to operate on them. When this option
+	  is enabled the kernel will support allocating & switching MSA
+	  vector register contexts. If you know that your kernel will only be
+	  running on CPUs which do not support MSA or that your userland will
+	  not be making use of it then you may wish to say N here to reduce
+	  the size & complexity of your kernel.
+
+	  If unsure, say Y.
+
+config CPU_HAS_WB
+	bool
+
+config XKS01
+	bool
+
+config CPU_HAS_DIEI
+	depends on !CPU_DIEI_BROKEN
+	bool
+
+config CPU_DIEI_BROKEN
+	bool
+
+config CPU_HAS_RIXI
+	bool
+
+config CPU_NO_LOAD_STORE_LR
+	bool
+	help
+	  CPU lacks support for unaligned load and store instructions:
+	  LWL, LWR, SWL, SWR (Load/store word left/right).
+	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
+	  systems).
+
+#
+# Vectored interrupt mode is an R2 feature
+#
+config CPU_MIPSR2_IRQ_VI
+	bool
+
+#
+# Extended interrupt mode is an R2 feature
+#
+config CPU_MIPSR2_IRQ_EI
+	bool
+
+config CPU_HAS_SYNC
+	bool
+	depends on !CPU_R3000
+	default y
+
+#
+# CPU non-features
+#
+
+# Work around the "daddi" and "daddiu" CPU errata:
+#
+# - The `daddi' instruction fails to trap on overflow.
+#   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+#   erratum #23
+#
+# - The `daddiu' instruction can produce an incorrect result.
+#   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+#   erratum #41
+#   "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
+#   #15
+#   "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
+#   "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
+config CPU_DADDI_WORKAROUNDS
+	bool
+
+# Work around certain R4000 CPU errata (as implemented by GCC):
+#
+# - A double-word or a variable shift may give an incorrect result
+#   if executed immediately after starting an integer division:
+#   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+#   erratum #28
+#   "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
+#   #19
+#
+# - A double-word or a variable shift may give an incorrect result
+#   if executed while an integer multiplication is in progress:
+#   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+#   errata #16 & #28
+#
+# - An integer division may give an incorrect result if started in
+#   a delay slot of a taken branch or a jump:
+#   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
+#   erratum #52
+config CPU_R4000_WORKAROUNDS
+	bool
+	select CPU_R4400_WORKAROUNDS
+
+# Work around certain R4400 CPU errata (as implemented by GCC):
+#
+# - A double-word or a variable shift may give an incorrect result
+#   if executed immediately after starting an integer division:
+#   "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
+#   "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
+config CPU_R4400_WORKAROUNDS
+	bool
+
+config CPU_R4X00_BUGS64
+	bool
+	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
+
+config MIPS_ASID_SHIFT
+	int
+	default 6 if CPU_R3000
+	default 0
+
+config MIPS_ASID_BITS
+	int
+	default 0 if MIPS_ASID_BITS_VARIABLE
+	default 6 if CPU_R3000
+	default 8
+
+config MIPS_ASID_BITS_VARIABLE
+	bool
+
+config MIPS_CRC_SUPPORT
+	bool
+
+# R4600 erratum.  Due to the lack of errata information the exact
+# technical details aren't known.  I've experimentally found that disabling
+# interrupts during indexed I-cache flushes seems to be sufficient to deal
+# with the issue.
+config WAR_R4600_V1_INDEX_ICACHEOP
+	bool
+
+# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
+#
+#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
+#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
+#      executed if there is no other dcache activity. If the dcache is
+#      accessed for another instruction immediately preceding when these
+#      cache instructions are executing, it is possible that the dcache
+#      tag match outputs used by these cache instructions will be
+#      incorrect. These cache instructions should be preceded by at least
+#      four instructions that are not any kind of load or store
+#      instruction.
+#
+#      This is not allowed:    lw
+#                              nop
+#                              nop
+#                              nop
+#                              cache       Hit_Writeback_Invalidate_D
+#
+#      This is allowed:        lw
+#                              nop
+#                              nop
+#                              nop
+#                              nop
+#                              cache       Hit_Writeback_Invalidate_D
+config WAR_R4600_V1_HIT_CACHEOP
+	bool
+
+# Writeback and invalidate the primary cache dcache before DMA.
+#
+# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
+# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
+# operate correctly if the internal data cache refill buffer is empty.  These
+# CACHE instructions should be separated from any potential data cache miss
+# by a load instruction to an uncached address to empty the response buffer."
+# (Revision 2.0 device errata from IDT available on https://www.idt.com/
+# in .pdf format.)
+config WAR_R4600_V2_HIT_CACHEOP
+	bool
+
+# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
+# the line which this instruction itself exists, the following
+# operation is not guaranteed."
+#
+# Workaround: do two phase flushing for Index_Invalidate_I
+config WAR_TX49XX_ICACHE_INDEX_INV
+	bool
+
+# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
+# opposes it being called that) where invalid instructions in the same
+# I-cache line worth of instructions being fetched may case spurious
+# exceptions.
+config WAR_ICACHE_REFILLS
+	bool
+
+# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
+# may cause ll / sc and lld / scd sequences to execute non-atomically.
+config WAR_R10000_LLSC
+	bool
+
+# 34K core erratum: "Problems Executing the TLBR Instruction"
+config WAR_MIPS34K_MISSED_ITLB
+	bool
+
+#
+# - Highmem only makes sense for the 32-bit kernel.
+# - The current highmem code will only work properly on physically indexed
+#   caches such as R3000, SB1, R7000 or those that look like they're virtually
+#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
+#   moment we protect the user and offer the highmem option only on machines
+#   where it's known to be safe.  This will not offer highmem on a few systems
+#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
+#   indexed CPUs but we're playing safe.
+# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
+#   know they might have memory configurations that could make use of highmem
+#   support.
+#
+config HIGHMEM
+	bool "High Memory Support"
+	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
+	select KMAP_LOCAL
+
+config CPU_SUPPORTS_HIGHMEM
+	bool
+
+config SYS_SUPPORTS_HIGHMEM
+	bool
+
+config SYS_SUPPORTS_SMARTMIPS
+	bool
+
+config SYS_SUPPORTS_MICROMIPS
+	bool
+
+config SYS_SUPPORTS_MIPS16
+	bool
+	help
+	  This option must be set if a kernel might be executed on a MIPS16-
+	  enabled CPU even if MIPS16 is not actually being used.  In other
+	  words, it makes the kernel MIPS16-tolerant.
+
+config CPU_SUPPORTS_MSA
+	bool
+
+config ARCH_FLATMEM_ENABLE
+	def_bool y
+	depends on !NUMA && !CPU_LOONGSON2EF
+
+config ARCH_SPARSEMEM_ENABLE
+	bool
+
+config NUMA
+	bool "NUMA Support"
+	depends on SYS_SUPPORTS_NUMA
+	select SMP
+	select HAVE_SETUP_PER_CPU_AREA
+	select NEED_PER_CPU_EMBED_FIRST_CHUNK
+	help
+	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
+	  Access).  This option improves performance on systems with more
+	  than two nodes; on two node systems it is generally better to
+	  leave it disabled; on single node systems leave this option
+	  disabled.
+
+config SYS_SUPPORTS_NUMA
+	bool
+
+config HAVE_ARCH_NODEDATA_EXTENSION
+	bool
+
+config RELOCATABLE
+	bool "Relocatable kernel"
+	depends on SYS_SUPPORTS_RELOCATABLE
+	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
+		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
+		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
+		   CPU_P5600 || CAVIUM_OCTEON_SOC || \
+		   CPU_LOONGSON64
+	help
+	  This builds a kernel image that retains relocation information
+	  so it can be loaded someplace besides the default 1MB.
+	  The relocations make the kernel binary about 15% larger,
+	  but are discarded at runtime
+
+config RELOCATION_TABLE_SIZE
+	hex "Relocation table size"
+	depends on RELOCATABLE
+	range 0x0 0x01000000
+	default "0x00200000" if CPU_LOONGSON64
+	default "0x00100000"
+	help
+	  A table of relocation data will be appended to the kernel binary
+	  and parsed at boot to fix up the relocated kernel.
+
+	  This option allows the amount of space reserved for the table to be
+	  adjusted, although the default of 1Mb should be ok in most cases.
+
+	  The build will fail and a valid size suggested if this is too small.
+
+	  If unsure, leave at the default value.
+
+config RANDOMIZE_BASE
+	bool "Randomize the address of the kernel image"
+	depends on RELOCATABLE
+	help
+	  Randomizes the physical and virtual address at which the
+	  kernel image is loaded, as a security feature that
+	  deters exploit attempts relying on knowledge of the location
+	  of kernel internals.
+
+	  Entropy is generated using any coprocessor 0 registers available.
+
+	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
+
+	  If unsure, say N.
+
+config RANDOMIZE_BASE_MAX_OFFSET
+	hex "Maximum kASLR offset" if EXPERT
+	depends on RANDOMIZE_BASE
+	range 0x0 0x40000000 if EVA || 64BIT
+	range 0x0 0x08000000
+	default "0x01000000"
+	help
+	  When kASLR is active, this provides the maximum offset that will
+	  be applied to the kernel image. It should be set according to the
+	  amount of physical RAM available in the target system minus
+	  PHYSICAL_START and must be a power of 2.
+
+	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
+	  EVA or 64-bit. The default is 16Mb.
+
+config NODES_SHIFT
+	int
+	default "6"
+	depends on NUMA
+
+config HW_PERF_EVENTS
+	bool "Enable hardware performance counter support for perf events"
+	depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
+	default y
+	help
+	  Enable hardware performance counter support for perf events. If
+	  disabled, perf events will use software events only.
+
+config DMI
+	bool "Enable DMI scanning"
+	depends on MACH_LOONGSON64
+	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
+	default y
+	help
+	  Enabled scanning of DMI to identify machine quirks. Say Y
+	  here unless you have verified that your setup is not
+	  affected by entries in the DMI blacklist. Required by PNP
+	  BIOS code.
+
+config SMP
+	bool "Multi-Processing support"
+	depends on SYS_SUPPORTS_SMP
+	help
+	  This enables support for systems with more than one CPU. If you have
+	  a system with only one CPU, say N. If you have a system with more
+	  than one CPU, say Y.
+
+	  If you say N here, the kernel will run on uni- and multiprocessor
+	  machines, but will use only one CPU of a multiprocessor machine. If
+	  you say Y here, the kernel will run on many, but not all,
+	  uniprocessor machines. On a uniprocessor machine, the kernel
+	  will run faster if you say N here.
+
+	  People using multiprocessor machines who say Y here should also say
+	  Y to "Enhanced Real Time Clock Support", below.
+
+	  See also the SMP-HOWTO available at
+	  <https://www.tldp.org/docs.html#howto>.
+
+	  If you don't know what to do here, say N.
+
+config HOTPLUG_CPU
+	bool "Support for hot-pluggable CPUs"
+	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
+	help
+	  Say Y here to allow turning CPUs off and on. CPUs can be
+	  controlled through /sys/devices/system/cpu.
+	  (Note: power management support will enable this option
+	    automatically on SMP systems. )
+	  Say N if you want to disable CPU hotplug.
+
+config SMP_UP
+	bool
+
+config SYS_SUPPORTS_MIPS_CMP
+	bool
+
+config SYS_SUPPORTS_MIPS_CPS
+	bool
+
+config SYS_SUPPORTS_SMP
+	bool
+
+config NR_CPUS_DEFAULT_4
+	bool
+
+config NR_CPUS_DEFAULT_8
+	bool
+
+config NR_CPUS_DEFAULT_16
+	bool
+
+config NR_CPUS_DEFAULT_32
+	bool
+
+config NR_CPUS_DEFAULT_64
+	bool
+
+config NR_CPUS
+	int "Maximum number of CPUs (2-256)"
+	range 2 256
+	depends on SMP
+	default "4" if NR_CPUS_DEFAULT_4
+	default "8" if NR_CPUS_DEFAULT_8
+	default "16" if NR_CPUS_DEFAULT_16
+	default "32" if NR_CPUS_DEFAULT_32
+	default "64" if NR_CPUS_DEFAULT_64
+	help
+	  This allows you to specify the maximum number of CPUs which this
+	  kernel will support.  The maximum supported value is 32 for 32-bit
+	  kernel and 64 for 64-bit kernels; the minimum value which makes
+	  sense is 1 for Qemu (useful only for kernel debugging purposes)
+	  and 2 for all others.
+
+	  This is purely to save memory - each supported CPU adds
+	  approximately eight kilobytes to the kernel image.  For best
+	  performance should round up your number of processors to the next
+	  power of two.
+
+config MIPS_PERF_SHARED_TC_COUNTERS
+	bool
+
+config MIPS_NR_CPU_NR_MAP_1024
+	bool
+
+config MIPS_NR_CPU_NR_MAP
+	int
+	depends on SMP
+	default 1024 if MIPS_NR_CPU_NR_MAP_1024
+	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
+
+#
+# Timer Interrupt Frequency Configuration
+#
+
+choice
+	prompt "Timer frequency"
+	default HZ_250
+	help
+	  Allows the configuration of the timer frequency.
+
+	config HZ_24
+		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
+
+	config HZ_48
+		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
+
+	config HZ_100
+		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
+
+	config HZ_128
+		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
+
+	config HZ_250
+		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
+
+	config HZ_256
+		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
+
+	config HZ_1000
+		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
+
+	config HZ_1024
+		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
+
+endchoice
+
+config SYS_SUPPORTS_24HZ
+	bool
+
+config SYS_SUPPORTS_48HZ
+	bool
+
+config SYS_SUPPORTS_100HZ
+	bool
+
+config SYS_SUPPORTS_128HZ
+	bool
+
+config SYS_SUPPORTS_250HZ
+	bool
+
+config SYS_SUPPORTS_256HZ
+	bool
+
+config SYS_SUPPORTS_1000HZ
+	bool
+
+config SYS_SUPPORTS_1024HZ
+	bool
+
+config SYS_SUPPORTS_ARBIT_HZ
+	bool
+	default y if !SYS_SUPPORTS_24HZ && \
+		     !SYS_SUPPORTS_48HZ && \
+		     !SYS_SUPPORTS_100HZ && \
+		     !SYS_SUPPORTS_128HZ && \
+		     !SYS_SUPPORTS_250HZ && \
+		     !SYS_SUPPORTS_256HZ && \
+		     !SYS_SUPPORTS_1000HZ && \
+		     !SYS_SUPPORTS_1024HZ
+
+config HZ
+	int
+	default 24 if HZ_24
+	default 48 if HZ_48
+	default 100 if HZ_100
+	default 128 if HZ_128
+	default 250 if HZ_250
+	default 256 if HZ_256
+	default 1000 if HZ_1000
+	default 1024 if HZ_1024
+
+config SCHED_HRTICK
+	def_bool HIGH_RES_TIMERS
+
+config KEXEC
+	bool "Kexec system call"
+	select KEXEC_CORE
+	help
+	  kexec is a system call that implements the ability to shutdown your
+	  current kernel, and to start another kernel.  It is like a reboot
+	  but it is independent of the system firmware.   And like a reboot
+	  you can start any kernel with it, not just Linux.
+
+	  The name comes from the similarity to the exec system call.
+
+	  It is an ongoing process to be certain the hardware in a machine
+	  is properly shutdown, so do not be surprised if this code does not
+	  initially work for you.  As of this writing the exact hardware
+	  interface is strongly in flux, so no good recommendation can be
+	  made.
+
+config CRASH_DUMP
+	bool "Kernel crash dumps"
+	help
+	  Generate crash dump after being started by kexec.
+	  This should be normally only set in special crash dump kernels
+	  which are loaded in the main kernel with kexec-tools into
+	  a specially reserved region and then later executed after
+	  a crash by kdump/kexec. The crash dump kernel must be compiled
+	  to a memory address not used by the main kernel or firmware using
+	  PHYSICAL_START.
+
+config PHYSICAL_START
+	hex "Physical address where the kernel is loaded"
+	default "0xffffffff84000000"
+	depends on CRASH_DUMP
+	help
+	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
+	  If you plan to use kernel for capturing the crash dump change
+	  this value to start of the reserved region (the "X" value as
+	  specified in the "crashkernel=YM@XM" command line boot parameter
+	  passed to the panic-ed kernel).
+
+config MIPS_O32_FP64_SUPPORT
+	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
+	depends on 32BIT || MIPS32_O32
+	help
+	  When this is enabled, the kernel will support use of 64-bit floating
+	  point registers with binaries using the O32 ABI along with the
+	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
+	  32-bit MIPS systems this support is at the cost of increasing the
+	  size and complexity of the compiled FPU emulator. Thus if you are
+	  running a MIPS32 system and know that none of your userland binaries
+	  will require 64-bit floating point, you may wish to reduce the size
+	  of your kernel & potentially improve FP emulation performance by
+	  saying N here.
+
+	  Although binutils currently supports use of this flag the details
+	  concerning its effect upon the O32 ABI in userland are still being
+	  worked on. In order to avoid userland becoming dependent upon current
+	  behaviour before the details have been finalised, this option should
+	  be considered experimental and only enabled by those working upon
+	  said details.
+
+	  If unsure, say N.
+
+config USE_OF
+	bool
+	select OF
+	select OF_EARLY_FLATTREE
+	select IRQ_DOMAIN
+
+config UHI_BOOT
+	bool
+
+config BUILTIN_DTB
+	bool
+
+choice
+	prompt "Kernel appended dtb support" if USE_OF
+	default MIPS_NO_APPENDED_DTB
+
+	config MIPS_NO_APPENDED_DTB
+		bool "None"
+		help
+		  Do not enable appended dtb support.
+
+	config MIPS_ELF_APPENDED_DTB
+		bool "vmlinux"
+		help
+		  With this option, the boot code will look for a device tree binary
+		  DTB) included in the vmlinux ELF section .appended_dtb. By default
+		  it is empty and the DTB can be appended using binutils command
+		  objcopy:
+
+		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
+
+		  This is meant as a backward compatibility convenience for those
+		  systems with a bootloader that can't be upgraded to accommodate
+		  the documented boot protocol using a device tree.
+
+	config MIPS_RAW_APPENDED_DTB
+		bool "vmlinux.bin or vmlinuz.bin"
+		help
+		  With this option, the boot code will look for a device tree binary
+		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
+		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
+
+		  This is meant as a backward compatibility convenience for those
+		  systems with a bootloader that can't be upgraded to accommodate
+		  the documented boot protocol using a device tree.
+
+		  Beware that there is very little in terms of protection against
+		  this option being confused by leftover garbage in memory that might
+		  look like a DTB header after a reboot if no actual DTB is appended
+		  to vmlinux.bin.  Do not leave this option active in a production kernel
+		  if you don't intend to always append a DTB.
+endchoice
+
+choice
+	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
+	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
+					 !MACH_LOONGSON64 && !MIPS_MALTA && \
+					 !CAVIUM_OCTEON_SOC
+	default MIPS_CMDLINE_FROM_BOOTLOADER
+
+	config MIPS_CMDLINE_FROM_DTB
+		depends on USE_OF
+		bool "Dtb kernel arguments if available"
+
+	config MIPS_CMDLINE_DTB_EXTEND
+		depends on USE_OF
+		bool "Extend dtb kernel arguments with bootloader arguments"
+
+	config MIPS_CMDLINE_FROM_BOOTLOADER
+		bool "Bootloader kernel arguments if available"
+
+	config MIPS_CMDLINE_BUILTIN_EXTEND
+		depends on CMDLINE_BOOL
+		bool "Extend builtin kernel arguments with bootloader arguments"
+endchoice
+
+endmenu
+
+config LOCKDEP_SUPPORT
+	bool
+	default y
+
+config STACKTRACE_SUPPORT
+	bool
+	default y
+
+config PGTABLE_LEVELS
+	int
+	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
+	default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
+	default 2
+
+config MIPS_AUTO_PFN_OFFSET
+	bool
+
+menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
+
+config PCI_DRIVERS_GENERIC
+	select PCI_DOMAINS_GENERIC if PCI
+	bool
+
+config PCI_DRIVERS_LEGACY
+	def_bool !PCI_DRIVERS_GENERIC
+	select NO_GENERIC_PCI_IOPORT_MAP
+	select PCI_DOMAINS if PCI
+
+#
+# ISA support is now enabled via select.  Too many systems still have the one
+# or other ISA chip on the board that users don't know about so don't expect
+# users to choose the right thing ...
+#
+config ISA
+	bool
+
+config TC
+	bool "TURBOchannel support"
+	depends on MACH_DECSTATION
+	help
+	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
+	  processors.  TURBOchannel programming specifications are available
+	  at:
+	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
+	  and:
+	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
+	  Linux driver support status is documented at:
+	  <http://www.linux-mips.org/wiki/DECstation>
+
+config MMU
+	bool
+	default y
+
+config ARCH_MMAP_RND_BITS_MIN
+	default 12 if 64BIT
+	default 8
+
+config ARCH_MMAP_RND_BITS_MAX
+	default 18 if 64BIT
+	default 15
+
+config ARCH_MMAP_RND_COMPAT_BITS_MIN
+	default 8
+
+config ARCH_MMAP_RND_COMPAT_BITS_MAX
+	default 15
+
+config I8253
+	bool
+	select CLKSRC_I8253
+	select CLKEVT_I8253
+	select MIPS_EXTERNAL_TIMER
+endmenu
+
+config TRAD_SIGNALS
+	bool
+
+config MIPS32_COMPAT
+	bool
+
+config COMPAT
+	bool
+
+config MIPS32_O32
+	bool "Kernel support for o32 binaries"
+	depends on 64BIT
+	select ARCH_WANT_OLD_COMPAT_IPC
+	select COMPAT
+	select MIPS32_COMPAT
+	help
+	  Select this option if you want to run o32 binaries.  These are pure
+	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
+	  existing binaries are in this format.
+
+	  If unsure, say Y.
+
+config MIPS32_N32
+	bool "Kernel support for n32 binaries"
+	depends on 64BIT
+	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
+	select COMPAT
+	select MIPS32_COMPAT
+	help
+	  Select this option if you want to run n32 binaries.  These are
+	  64-bit binaries using 32-bit quantities for addressing and certain
+	  data that would normally be 64-bit.  They are used in special
+	  cases.
+
+	  If unsure, say N.
+
+config CC_HAS_MNO_BRANCH_LIKELY
+	def_bool y
+	depends on $(cc-option,-mno-branch-likely)
+
+menu "Power management options"
+
+config ARCH_HIBERNATION_POSSIBLE
+	def_bool y
+	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
+
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
+
+source "kernel/power/Kconfig"
+
+endmenu
+
+config MIPS_EXTERNAL_TIMER
+	bool
+
+menu "CPU Power Management"
+
+if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
+source "drivers/cpufreq/Kconfig"
+endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
+
+source "drivers/cpuidle/Kconfig"
+
+endmenu
+
+source "arch/mips/kvm/Kconfig"
+
+source "arch/mips/vdso/Kconfig"
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
new file mode 100644
index 000000000..f4ae7900f
--- /dev/null
+++ b/arch/mips/Kconfig.debug
@@ -0,0 +1,166 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config EARLY_PRINTK
+	bool "Early printk" if EXPERT
+	depends on SYS_HAS_EARLY_PRINTK
+	default y
+	help
+	  This option enables special console drivers which allow the kernel
+	  to print messages very early in the bootup process.
+
+	  This is useful for kernel debugging when your machine crashes very
+	  early before the console code is initialized. For normal operation,
+	  it is not recommended because it looks ugly on some machines and
+	  doesn't cooperate with an X server. You should normally say N here,
+	  unless you want to debug such a crash.
+
+config EARLY_PRINTK_8250
+	bool
+	depends on EARLY_PRINTK && USE_GENERIC_EARLY_PRINTK_8250
+	default y
+	help
+	  "8250/16550 and compatible serial early printk driver"
+	  If you say Y here, it will be possible to use a 8250/16550 serial
+	  port as the boot console.
+
+config USE_GENERIC_EARLY_PRINTK_8250
+	bool
+
+config CMDLINE_BOOL
+	bool "Built-in kernel command line"
+	help
+	  For most systems, it is firmware or second stage bootloader that
+	  by default specifies the kernel command line options.  However,
+	  it might be necessary or advantageous to either override the
+	  default kernel command line or add a few extra options to it.
+	  For such cases, this option allows you to hardcode your own
+	  command line options directly into the kernel.  For that, you
+	  should choose 'Y' here, and fill in the extra boot arguments
+	  in CONFIG_CMDLINE.
+
+	  The built-in options will be concatenated to the default command
+	  line if CMDLINE_OVERRIDE is set to 'N'. Otherwise, the default
+	  command line will be ignored and replaced by the built-in string.
+
+	  Most MIPS systems will normally expect 'N' here and rely upon
+	  the command line from the firmware or the second-stage bootloader.
+
+config CMDLINE
+	string "Default kernel command string"
+	depends on CMDLINE_BOOL
+	help
+	  On some platforms, there is currently no way for the boot loader to
+	  pass arguments to the kernel.  For these platforms, and for the cases
+	  when you want to add some extra options to the command line or ignore
+	  the default command line, you can supply some command-line options at
+	  build time by entering them here.  In other cases you can specify
+	  kernel args so that you don't have to set them up in board prom
+	  initialization routines.
+
+	  For more information, see the CMDLINE_BOOL and CMDLINE_OVERRIDE
+	  options.
+
+config CMDLINE_OVERRIDE
+	bool "Built-in command line overrides firmware arguments"
+	depends on CMDLINE_BOOL
+	help
+	  By setting this option to 'Y' you will have your kernel ignore
+	  command line arguments from firmware or second stage bootloader.
+	  Instead, the built-in command line will be used exclusively.
+
+	  Normally, you will choose 'N' here.
+
+config SB1XXX_CORELIS
+	bool "Corelis Debugger"
+	depends on SIBYTE_SB1xxx_SOC
+	select DEBUG_KERNEL if !COMPILE_TEST
+	select DEBUG_INFO if !COMPILE_TEST
+	help
+	  Select compile flags that produce code that can be processed by the
+	  Corelis mksym utility and UDB Emulator.
+
+config DEBUG_ZBOOT
+	bool "Enable compressed kernel support debugging"
+	depends on DEBUG_KERNEL && SYS_SUPPORTS_ZBOOT
+	default n
+	help
+	  If you want to add compressed kernel support to a new board, and the
+	  board supports uart16550 compatible serial port, please select
+	  SYS_SUPPORTS_ZBOOT_UART16550 for your board and enable this option to
+	  debug it.
+
+	  If your board doesn't support uart16550 compatible serial port, you
+	  can try to select SYS_SUPPORTS_ZBOOT and use the other methods to
+	  debug it. for example, add a new serial port support just as
+	  arch/mips/boot/compressed/uart-16550.c does.
+
+	  After the compressed kernel support works, please disable this option
+	  to reduce the kernel image size and speed up the booting procedure a
+	  little.
+
+config ZBOOT_INGENIC_UART
+	int "UART to use for compressed kernel debugging"
+	depends on DEBUG_ZBOOT && MACH_INGENIC_SOC
+	default 0
+	range 0 4
+	help
+	  Specify the UART that should be used for compressed kernel debugging.
+
+config SPINLOCK_TEST
+	bool "Enable spinlock timing tests in debugfs"
+	depends on DEBUG_FS
+	default n
+	help
+	  Add several files to the debugfs to test spinlock speed.
+
+config SCACHE_DEBUGFS
+	bool "L2 cache debugfs entries"
+	depends on DEBUG_FS
+	help
+	  Enable this to allow parts of the L2 cache configuration, such as
+	  whether or not prefetching is enabled, to be exposed to userland
+	  via debugfs.
+
+	  If unsure, say N.
+
+menuconfig MIPS_CPS_NS16550_BOOL
+	bool "CPS SMP NS16550 UART output"
+	depends on MIPS_CPS
+	help
+	  Output debug information via an ns16550 compatible UART if exceptions
+	  occur early in the boot process of a secondary core.
+
+if MIPS_CPS_NS16550_BOOL
+
+config MIPS_CPS_NS16550
+	def_bool MIPS_CPS_NS16550_BASE != 0
+
+config MIPS_CPS_NS16550_BASE
+	hex "UART Base Address"
+	default 0x1b0003f8 if MIPS_MALTA
+	default 0
+	help
+	  The base address of the ns16550 compatible UART on which to output
+	  debug information from the early stages of core startup.
+
+	  This is only used if non-zero.
+
+config MIPS_CPS_NS16550_SHIFT
+	int "UART Register Shift"
+	default 0
+	help
+	  The number of bits to shift ns16550 register indices by in order to
+	  form their addresses. That is, log base 2 of the span between
+	  adjacent ns16550 registers in the system.
+
+config MIPS_CPS_NS16550_WIDTH
+	int "UART Register Width"
+	default 1
+	help
+	  ns16550 registers width. UART registers IO access methods will be
+	  selected in accordance with this parameter. By setting it to 1, 2 or
+	  4 UART registers will be accessed by means of lb/sb, lh/sh or lw/sw
+	  instructions respectively. Any value not from that set activates
+	  lb/sb instructions.
+
+endif # MIPS_CPS_NS16550_BOOL