| # 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_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_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_FIND_FIRST_BIT |
| 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 HANDLE_DOMAIN_IRQ |
| 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_CBPF_JIT if !64BIT && !CPU_MICROMIPS |
| select HAVE_CONTEXT_TRACKING |
| 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 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 |
| 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 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 VIRT_TO_BUS |
| select ARCH_HAS_ELFCORE_COMPAT |
| |
| 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 ARCH_HAS_PHYS_TO_DMA |
| 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 |
| 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 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_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 |
| 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 MACH_PISTACHIO |
| bool "IMG Pistachio SoC based boards" |
| select BOOT_ELF32 |
| select BOOT_RAW |
| select CEVT_R4K |
| select CLKSRC_MIPS_GIC |
| select COMMON_CLK |
| select CSRC_R4K |
| select DMA_NONCOHERENT |
| select GPIOLIB |
| select IRQ_MIPS_CPU |
| select MFD_SYSCON |
| select MIPS_CPU_SCACHE |
| select MIPS_GIC |
| select PINCTRL |
| select REGULATOR |
| select SYS_HAS_CPU_MIPS32_R2 |
| select SYS_SUPPORTS_32BIT_KERNEL |
| select SYS_SUPPORTS_LITTLE_ENDIAN |
| select SYS_SUPPORTS_MIPS_CPS |
| select SYS_SUPPORTS_MULTITHREADING |
| select SYS_SUPPORTS_RELOCATABLE |
| select SYS_SUPPORTS_ZBOOT |
| select SYS_HAS_EARLY_PRINTK |
| select USE_GENERIC_EARLY_PRINTK_8250 |
| select USE_OF |
| help |
| This enables support for the IMG Pistachio SoC platform. |
| |
| 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_VR41XX |
| bool "NEC VR4100 series based machines" |
| select CEVT_R4K |
| select CSRC_R4K |
| select SYS_HAS_CPU_VR41XX |
| select SYS_SUPPORTS_MIPS16 |
| select GPIOLIB |
| |
| 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 SYS_HAS_EARLY_PRINTK |
| select SYS_HAS_EARLY_PRINTK_8250 |
| select USE_GENERIC_EARLY_PRINTK_8250 |
| 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 |
| 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 NR_CPUS_DEFAULT_2 |
| 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_TX39XX |
| bool "Toshiba TX39 series based machines" |
| |
| 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. |
| |
| config NLM_XLR_BOARD |
| bool "Netlogic XLR/XLS based systems" |
| select BOOT_ELF32 |
| select NLM_COMMON |
| select SYS_HAS_CPU_XLR |
| select SYS_SUPPORTS_SMP |
| select HAVE_PCI |
| select SWAP_IO_SPACE |
| select SYS_SUPPORTS_32BIT_KERNEL |
| select SYS_SUPPORTS_64BIT_KERNEL |
| select PHYS_ADDR_T_64BIT |
| select SYS_SUPPORTS_BIG_ENDIAN |
| select SYS_SUPPORTS_HIGHMEM |
| select NR_CPUS_DEFAULT_32 |
| select CEVT_R4K |
| select CSRC_R4K |
| select IRQ_MIPS_CPU |
| select ZONE_DMA32 if 64BIT |
| select SYNC_R4K |
| select SYS_HAS_EARLY_PRINTK |
| select SYS_SUPPORTS_ZBOOT |
| select SYS_SUPPORTS_ZBOOT_UART16550 |
| help |
| Support for systems based on Netlogic XLR and XLS processors. |
| Say Y here if you have a XLR or XLS based board. |
| |
| config NLM_XLP_BOARD |
| bool "Netlogic XLP based systems" |
| select BOOT_ELF32 |
| select NLM_COMMON |
| select SYS_HAS_CPU_XLP |
| select SYS_SUPPORTS_SMP |
| select HAVE_PCI |
| select SYS_SUPPORTS_32BIT_KERNEL |
| select SYS_SUPPORTS_64BIT_KERNEL |
| select PHYS_ADDR_T_64BIT |
| select GPIOLIB |
| select SYS_SUPPORTS_BIG_ENDIAN |
| select SYS_SUPPORTS_LITTLE_ENDIAN |
| select SYS_SUPPORTS_HIGHMEM |
| select NR_CPUS_DEFAULT_32 |
| select CEVT_R4K |
| select CSRC_R4K |
| select IRQ_MIPS_CPU |
| select ZONE_DMA32 if 64BIT |
| select SYNC_R4K |
| select SYS_HAS_EARLY_PRINTK |
| select USE_OF |
| select SYS_SUPPORTS_ZBOOT |
| select SYS_SUPPORTS_ZBOOT_UART16550 |
| help |
| This board is based on Netlogic XLP Processor. |
| Say Y here if you have a XLP based board. |
| |
| 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/pistachio/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/vr41xx/Kconfig" |
| source "arch/mips/cavium-octeon/Kconfig" |
| source "arch/mips/loongson2ef/Kconfig" |
| source "arch/mips/loongson32/Kconfig" |
| source "arch/mips/loongson64/Kconfig" |
| source "arch/mips/netlogic/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. |
| |
| config MIPS_CBPF_JIT |
| def_bool y |
| depends on BPF_JIT && HAVE_CBPF_JIT |
| |
| config MIPS_EBPF_JIT |
| def_bool y |
| depends on BPF_JIT && HAVE_EBPF_JIT |
| |
| |
| # |
| # 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 WEAK_ORDERING |
| select WEAK_REORDERING_BEYOND_LLSC |
| select MIPS_ASID_BITS_VARIABLE |
| select MIPS_PGD_C0_CONTEXT |
| select MIPS_L1_CACHE_SHIFT_6 |
| 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 "Old 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. |
| |
| Newer Loongson-3 will fix 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 old systems. |
| |
| If unsure, please say Y. |
| |
| 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_TX39XX |
| bool "R39XX" |
| depends on SYS_HAS_CPU_TX39XX |
| select CPU_SUPPORTS_32BIT_KERNEL |
| select CPU_R3K_TLB |
| |
| config CPU_VR41XX |
| bool "R41xx" |
| depends on SYS_HAS_CPU_VR41XX |
| select CPU_SUPPORTS_32BIT_KERNEL |
| select CPU_SUPPORTS_64BIT_KERNEL |
| help |
| The options selects support for the NEC VR4100 series of processors. |
| Only choose this option if you have one of these processors as a |
| kernel built with this option will not run on any other type of |
| processor or vice versa. |
| |
| config CPU_R4300 |
| bool "R4300" |
| depends on SYS_HAS_CPU_R4300 |
| select CPU_SUPPORTS_32BIT_KERNEL |
| select CPU_SUPPORTS_64BIT_KERNEL |
| select CPU_HAS_LOAD_STORE_LR |
| 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 |
| help |
| Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. |
| |
| config CPU_XLR |
| bool "Netlogic XLR SoC" |
| depends on SYS_HAS_CPU_XLR |
| select CPU_SUPPORTS_32BIT_KERNEL |
| select CPU_SUPPORTS_64BIT_KERNEL |
| select CPU_SUPPORTS_HIGHMEM |
| select CPU_SUPPORTS_HUGEPAGES |
| select WEAK_ORDERING |
| select WEAK_REORDERING_BEYOND_LLSC |
| help |
| Netlogic Microsystems XLR/XLS processors. |
| |
| config CPU_XLP |
| bool "Netlogic XLP SoC" |
| depends on SYS_HAS_CPU_XLP |
| select CPU_SUPPORTS_32BIT_KERNEL |
| select CPU_SUPPORTS_64BIT_KERNEL |
| select CPU_SUPPORTS_HIGHMEM |
| select WEAK_ORDERING |
| select WEAK_REORDERING_BEYOND_LLSC |
| select CPU_HAS_PREFETCH |
| select CPU_MIPSR2 |
| select CPU_SUPPORTS_HUGEPAGES |
| select MIPS_ASID_BITS_VARIABLE |
| help |
| Netlogic Microsystems XLP 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_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_TX39XX |
| bool |
| |
| config SYS_HAS_CPU_VR41XX |
| 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 |
| |
| config SYS_HAS_CPU_XLR |
| bool |
| |
| config SYS_HAS_CPU_XLP |
| bool |
| |
| # |
| # 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 && (ARCH_PHYS_ADDR_T_64BIT || EVA)) |
| config MIPS_PGD_C0_CONTEXT |
| bool |
| depends on 64BIT |
| default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP |
| |
| # |
| # 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. |
| |
| 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 && !CPU_TX39XX |
| 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 && !CPU_TX39XX |
| 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 FORCE_MAX_ZONEORDER |
| 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 || CPU_TX39XX) |
| |
| 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 || CPU_TX39XX |
| |
| 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 |
| # |
| config CPU_DADDI_WORKAROUNDS |
| bool |
| |
| config CPU_R4000_WORKAROUNDS |
| bool |
| select CPU_R4400_WORKAROUNDS |
| |
| 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 || CPU_TX39XX |
| default 0 |
| |
| config MIPS_ASID_BITS |
| int |
| default 0 if MIPS_ASID_BITS_VARIABLE |
| default 6 if CPU_R3000 || CPU_TX39XX |
| 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 |
| select SPARSEMEM_STATIC if !SGI_IP27 |
| |
| config NUMA |
| bool "NUMA Support" |
| depends on SYS_SUPPORTS_NUMA |
| select SMP |
| 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_SETUP_PER_CPU_AREA |
| def_bool y |
| depends on NUMA |
| |
| config NEED_PER_CPU_EMBED_FIRST_CHUNK |
| def_bool y |
| depends on NUMA |
| |
| 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_XLP || 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 |
| 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 SYSVIPC_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 |
| select SYSVIPC_COMPAT if SYSVIPC |
| 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 |
| select SYSVIPC_COMPAT if SYSVIPC |
| 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. |
| |
| 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 |
| |
| source "drivers/cpuidle/Kconfig" |
| |
| endmenu |
| |
| source "drivers/firmware/Kconfig" |
| |
| source "arch/mips/kvm/Kconfig" |
| |
| source "arch/mips/vdso/Kconfig" |