diff options
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 209 |
1 files changed, 101 insertions, 108 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 8272ea4c7264..4a5f5b0ee9a9 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2,11 +2,13 @@ config MIPS bool default y - select ARCH_BINFMT_ELF_STATE + select ARCH_32BIT_OFF_T if !64BIT + select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT select ARCH_CLOCKSOURCE_DATA select ARCH_DISCARD_MEMBLOCK select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST + select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_SUPPORTS_UPROBES select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if 64BIT @@ -15,8 +17,8 @@ config MIPS select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS + select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) select CPU_PM if CPU_IDLE - select DMA_DIRECT_OPS select GENERIC_ATOMIC64 if !64BIT select GENERIC_CLOCKEVENTS select GENERIC_CMOS_UPDATE @@ -24,6 +26,7 @@ config MIPS 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 @@ -54,12 +57,13 @@ config MIPS select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER - select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE + 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_MEMBLOCK_NODE_MAP select HAVE_MOD_ARCH_SPECIFIC select HAVE_NMI @@ -71,6 +75,7 @@ config MIPS 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_RELA if MODULES && 64BIT select MODULES_USE_ELF_REL if MODULES select PERF_USE_VMALLOC @@ -95,7 +100,7 @@ config MIPS_GENERIC select CPU_MIPSR2_IRQ_EI select CSRC_R4K select DMA_PERDEV_COHERENT - select HW_HAS_PCI + select HAVE_PCI select IRQ_MIPS_CPU select LIBFDT select MIPS_AUTO_PFN_OFFSET @@ -201,7 +206,6 @@ config ATH79 select COMMON_CLK select CLKDEV_LOOKUP select IRQ_MIPS_CPU - select MIPS_MACHINE select SYS_HAS_CPU_MIPS32_R2 select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL @@ -256,7 +260,7 @@ config BCM47XX select CEVT_R4K select CSRC_R4K select DMA_NONCOHERENT - select HW_HAS_PCI + select HAVE_PCI select IRQ_MIPS_CPU select SYS_HAS_CPU_MIPS32_R1 select NO_EXCEPT_FILL @@ -299,13 +303,12 @@ config MIPS_COBALT select CSRC_R4K select CEVT_GT641XX select DMA_NONCOHERENT - select HW_HAS_PCI + select FORCE_PCI select I8253 select I8259 select IRQ_MIPS_CPU select IRQ_GT641XX select PCI_GT64XXX_PCI0 - select PCI select SYS_HAS_CPU_NEVADA select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL @@ -387,7 +390,7 @@ config MACH_INGENIC select GPIOLIB select COMMON_CLK select GENERIC_IRQ_CHIP - select BUILTIN_DTB + select BUILTIN_DTB if MIPS_NO_APPENDED_DTB select USE_OF select LIBFDT @@ -422,7 +425,7 @@ config LASAT select CSRC_R4K select DMA_NONCOHERENT select SYS_HAS_EARLY_PRINTK - select HW_HAS_PCI + select HAVE_PCI select IRQ_MIPS_CPU select PCI_GT64XXX_PCI0 select MIPS_NILE4 @@ -494,22 +497,23 @@ config MIPS_MALTA select BOOT_RAW select BUILTIN_DTB select CEVT_R4K - select CSRC_R4K select CLKSRC_MIPS_GIC select COMMON_CLK + select CSRC_R4K select DMA_MAYBE_COHERENT select GENERIC_ISA_DMA select HAVE_PCSPKR_PLATFORM - select IRQ_MIPS_CPU - select MIPS_GIC - select HW_HAS_PCI + select HAVE_PCI select I8253 select I8259 + select IRQ_MIPS_CPU + select LIBFDT select MIPS_BONITO64 select MIPS_CPU_SCACHE + select MIPS_GIC select MIPS_L1_CACHE_SHIFT_6 - select PCI_GT64XXX_PCI0 select MIPS_MSC + select PCI_GT64XXX_PCI0 select SMP_UP if SMP select SWAP_IO_SPACE select SYS_HAS_CPU_MIPS32_R1 @@ -528,19 +532,16 @@ config MIPS_MALTA 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_MIPS16 select SYS_SUPPORTS_MULTITHREADING + select SYS_SUPPORTS_RELOCATABLE select SYS_SUPPORTS_SMARTMIPS select SYS_SUPPORTS_VPE_LOADER select SYS_SUPPORTS_ZBOOT - select SYS_SUPPORTS_RELOCATABLE select USE_OF - select LIBFDT select ZONE_DMA32 if 64BIT - select BUILTIN_DTB - select LIBFDT help This enables support for the MIPS Technologies Malta evaluation board. @@ -556,7 +557,7 @@ config MACH_PIC32 config NEC_MARKEINS bool "NEC EMMA2RH Mark-eins board" select SOC_EMMA2RH - select HW_HAS_PCI + select HAVE_PCI help This enables support for the NEC Electronics Mark-eins boards. @@ -633,7 +634,7 @@ config SGI_IP22 select CSRC_R4K select DEFAULT_SGI_PARTITION select DMA_NONCOHERENT - select HW_HAS_EISA + select HAVE_EISA select I8253 select I8259 select IP22_CPU_SCACHE @@ -673,7 +674,8 @@ config SGI_IP27 select BOOT_ELF64 select DEFAULT_SGI_PARTITION select SYS_HAS_EARLY_PRINTK - select HW_HAS_PCI + select HAVE_PCI + select IRQ_MIPS_CPU select NR_CPUS_DEFAULT_64 select SYS_HAS_CPU_R10000 select SYS_SUPPORTS_64BIT_KERNEL @@ -698,7 +700,7 @@ config SGI_IP28 select DMA_NONCOHERENT select GENERIC_ISA_DMA_SUPPORT_BROKEN select IRQ_MIPS_CPU - select HW_HAS_EISA + select HAVE_EISA select I8253 select I8259 select SGI_HAS_I8042 @@ -733,7 +735,7 @@ config SGI_IP32 select CEVT_R4K select CSRC_R4K select DMA_NONCOHERENT - select HW_HAS_PCI + select HAVE_PCI select IRQ_MIPS_CPU select R5000_CPU_SCACHE select RM7000_CPU_SCACHE @@ -794,6 +796,7 @@ config SIBYTE_SWARM 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" @@ -805,6 +808,7 @@ config SIBYTE_LITTLESUR 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" @@ -814,6 +818,7 @@ config SIBYTE_SENTOSA 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" @@ -826,6 +831,7 @@ config SIBYTE_BIGSUR 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" @@ -841,9 +847,9 @@ config SNI_RM select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN select DMA_NONCOHERENT select GENERIC_ISA_DMA + select HAVE_EISA select HAVE_PCSPKR_PLATFORM - select HW_HAS_EISA - select HW_HAS_PCI + select HAVE_PCI select IRQ_MIPS_CPU select I8253 select I8259 @@ -876,7 +882,7 @@ config MIKROTIK_RB532 select CEVT_R4K select CSRC_R4K select DMA_NONCOHERENT - select HW_HAS_PCI + select HAVE_PCI select IRQ_MIPS_CPU select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL @@ -893,7 +899,7 @@ config CAVIUM_OCTEON_SOC bool "Cavium Networks Octeon SoC based boards" select CEVT_R4K select ARCH_HAS_PHYS_TO_DMA - select HAS_RAPIDIO + select HAVE_RAPIDIO select PHYS_ADDR_T_64BIT select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN @@ -903,7 +909,7 @@ config CAVIUM_OCTEON_SOC select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN select SYS_HAS_EARLY_PRINTK select SYS_HAS_CPU_CAVIUM_OCTEON - select HW_HAS_PCI + select HAVE_PCI select ZONE_DMA32 select HOLES_IN_ZONE select GPIOLIB @@ -936,7 +942,7 @@ config NLM_XLR_BOARD select NLM_COMMON select SYS_HAS_CPU_XLR select SYS_SUPPORTS_SMP - select HW_HAS_PCI + select HAVE_PCI select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL @@ -962,7 +968,7 @@ config NLM_XLP_BOARD select NLM_COMMON select SYS_HAS_CPU_XLP select SYS_SUPPORTS_SMP - select HW_HAS_PCI + select HAVE_PCI select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select PHYS_ADDR_T_64BIT @@ -997,7 +1003,7 @@ config MIPS_PARAVIRT select SYS_HAS_CPU_MIPS32_R2 select SYS_HAS_CPU_MIPS64_R2 select SYS_HAS_CPU_CAVIUM_OCTEON - select HW_HAS_PCI + select HAVE_PCI select SWAP_IO_SPACE help This option supports guest running under ???? @@ -1112,13 +1118,13 @@ config DMA_MAYBE_COHERENT config DMA_PERDEV_COHERENT bool + select ARCH_HAS_SETUP_DMA_OPS select DMA_NONCOHERENT config DMA_NONCOHERENT bool select ARCH_HAS_DMA_MMAP_PGPROT select ARCH_HAS_SYNC_DMA_FOR_DEVICE - select ARCH_HAS_SYNC_DMA_FOR_CPU select NEED_DMA_MAP_STATE select ARCH_HAS_DMA_COHERENT_TO_PFN select DMA_NONCOHERENT_CACHE_SYNC @@ -1397,6 +1403,21 @@ config LOONGSON3_ENHANCEMENT 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_LOONGSON3 + 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_LOONGSON2E bool "Loongson 2E" depends on SYS_HAS_CPU_LOONGSON2E @@ -1535,6 +1556,7 @@ config CPU_MIPS64_R6 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 @@ -1860,7 +1882,7 @@ config CPU_LOONGSON2 config CPU_LOONGSON1 bool select CPU_MIPS32 - select CPU_MIPSR1 + select CPU_MIPSR2 select CPU_HAS_PREFETCH select CPU_HAS_LOAD_STORE_LR select CPU_SUPPORTS_32BIT_KERNEL @@ -1922,9 +1944,11 @@ config SYS_HAS_CPU_MIPS32_R3_5 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 @@ -1934,6 +1958,7 @@ config SYS_HAS_CPU_MIPS64_R2 config SYS_HAS_CPU_MIPS64_R6 bool + select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT config SYS_HAS_CPU_R3000 bool @@ -1970,6 +1995,7 @@ config SYS_HAS_CPU_R8000 config SYS_HAS_CPU_R10000 bool + select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT config SYS_HAS_CPU_RM7000 bool @@ -1998,6 +2024,7 @@ config SYS_HAS_CPU_BMIPS4380 config SYS_HAS_CPU_BMIPS5000 bool select SYS_HAS_CPU_BMIPS + select ARCH_HAS_SYNC_DMA_FOR_CPU config SYS_HAS_CPU_XLR bool @@ -2032,7 +2059,7 @@ config CPU_MIPS64 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 # -# These two indicate the revision of the architecture, either Release 1 or Release 2 +# These indicate the revision of the architecture # config CPU_MIPSR1 bool @@ -2053,6 +2080,16 @@ config CPU_MIPSR6 select MIPS_CRC_SUPPORT select MIPS_SPRAM +config TARGET_ISA_REV + int + default 1 if CPU_MIPSR1 + default 2 if CPU_MIPSR2 + 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 @@ -2254,9 +2291,30 @@ config CPU_GENERIC_DUMP_TLB bool default y if !(CPU_R3000 || CPU_R8000 || 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_R4K_FPU bool - default y if !(CPU_R3000 || CPU_TX39XX) + depends on MIPS_FP_SUPPORT + default y if !CPU_R2300_FPU config CPU_R4K_CACHE_TLB bool @@ -2308,6 +2366,7 @@ config MIPS_MT_FPAFF 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. @@ -2455,6 +2514,7 @@ 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 @@ -2902,7 +2962,7 @@ config SECCOMP If unsure, say Y. Only embedded should say N here. config MIPS_O32_FP64_SUPPORT - bool "Support for O32 binaries using 64-bit FP" + 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 @@ -3025,47 +3085,14 @@ config MIPS_AUTO_PFN_OFFSET menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" -config HW_HAS_EISA - bool -config HW_HAS_PCI - bool - -config PCI - bool "Support for PCI controller" - depends on HW_HAS_PCI - select PCI_DOMAINS - help - Find out whether you have a PCI motherboard. PCI is the name of a - bus system, i.e. the way the CPU talks to the other stuff inside - your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, - say Y, otherwise N. - -config HT_PCI - bool "Support for HT-linked PCI" - default y - depends on CPU_LOONGSON3 - select PCI - select PCI_DOMAINS - help - Loongson family machines use Hyper-Transport bus for inter-core - connection and device connection. The PCI bus is a subordinate - linked at HT. Choose Y for Loongson-3 based machines. - -config PCI_DOMAINS - bool - -config PCI_DOMAINS_GENERIC - bool - config PCI_DRIVERS_GENERIC - select PCI_DOMAINS_GENERIC if PCI_DOMAINS + select PCI_DOMAINS_GENERIC if PCI bool config PCI_DRIVERS_LEGACY def_bool !PCI_DRIVERS_GENERIC select NO_GENERIC_PCI_IOPORT_MAP - -source "drivers/pci/Kconfig" + select PCI_DOMAINS if PCI # # ISA support is now enabled via select. Too many systems still have the one @@ -3075,26 +3102,6 @@ source "drivers/pci/Kconfig" config ISA bool -config EISA - bool "EISA support" - depends on HW_HAS_EISA - select ISA - select GENERIC_ISA_DMA - ---help--- - The Extended Industry Standard Architecture (EISA) bus was - developed as an open alternative to the IBM MicroChannel bus. - - The EISA bus provided some of the features of the IBM MicroChannel - bus while maintaining backward compatibility with cards made for - the older ISA bus. The EISA bus saw limited use between 1988 and - 1995 when it was made obsolete by the PCI bus. - - Say Y here if you are building a kernel for an EISA-based machine. - - Otherwise, say N. - -source "drivers/eisa/Kconfig" - config TC bool "TURBOchannel support" depends on MACH_DECSTATION @@ -3138,21 +3145,6 @@ config ZONE_DMA config ZONE_DMA32 bool -source "drivers/pcmcia/Kconfig" - -config HAS_RAPIDIO - bool - default n - -config RAPIDIO - tristate "RapidIO support" - depends on HAS_RAPIDIO || PCI - help - If you say Y here, the kernel will include drivers and - infrastructure code to support RapidIO interconnect devices. - -source "drivers/rapidio/Kconfig" - endmenu config TRAD_SIGNALS @@ -3184,6 +3176,7 @@ config MIPS32_O32 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 |