diff options
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 155 |
1 files changed, 78 insertions, 77 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 5cd695f905a1..4e238e6e661c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -12,6 +12,7 @@ config MIPS select HAVE_ARCH_KGDB select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK + select HAVE_BPF_JIT if !CPU_MICROMIPS select ARCH_HAVE_CUSTOM_GPIO_H select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_TRACE_MCOUNT_TEST @@ -50,6 +51,8 @@ config MIPS select CLONE_BACKWARDS select HAVE_DEBUG_STACKOVERFLOW select HAVE_CC_STACKPROTECTOR + select CPU_PM if CPU_IDLE + select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST menu "Machine selection" @@ -83,6 +86,7 @@ config AR7 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 ARCH_REQUIRE_GPIOLIB select VLYNQ @@ -106,6 +110,7 @@ config ATH79 select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_MIPS16 help Support for the Atheros AR71XX/AR724X/AR913X SoCs. @@ -122,6 +127,7 @@ config BCM47XX select NO_EXCEPT_FILL select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_MIPS16 select SYS_HAS_EARLY_PRINTK select USE_GENERIC_EARLY_PRINTK_8250 help @@ -168,9 +174,9 @@ config MACH_DECSTATION bool "DECstations" select BOOT_ELF32 select CEVT_DS1287 - select CEVT_R4K + select CEVT_R4K if CPU_R4X00 select CSRC_IOASIC - select CSRC_R4K + select CSRC_R4K if CPU_R4X00 select CPU_DADDI_WORKAROUNDS if 64BIT select CPU_R4000_WORKAROUNDS if 64BIT select CPU_R4400_WORKAROUNDS if 64BIT @@ -248,6 +254,7 @@ config LANTIQ 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_HAS_EARLY_PRINTK select ARCH_REQUIRE_GPIOLIB @@ -262,6 +269,7 @@ config LANTIQ config LASAT bool "LASAT Networks platforms" select CEVT_R4K + select CRC32 select CSRC_R4K select DMA_NONCOHERENT select SYS_HAS_EARLY_PRINTK @@ -330,6 +338,7 @@ config MIPS_MALTA select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MIPS_CMP select SYS_SUPPORTS_MIPS_CPS + select SYS_SUPPORTS_MIPS16 select SYS_SUPPORTS_MULTITHREADING select SYS_SUPPORTS_SMARTMIPS select SYS_SUPPORTS_ZBOOT @@ -361,6 +370,7 @@ config MIPS_SEAD3 select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_SMARTMIPS select SYS_SUPPORTS_MICROMIPS + select SYS_SUPPORTS_MIPS16 select USB_EHCI_BIG_ENDIAN_DESC select USB_EHCI_BIG_ENDIAN_MMIO select USE_OF @@ -380,6 +390,7 @@ config MACH_VR41XX select CEVT_R4K select CSRC_R4K select SYS_HAS_CPU_VR41XX + select SYS_SUPPORTS_MIPS16 select ARCH_REQUIRE_GPIOLIB config NXP_STB220 @@ -407,6 +418,7 @@ config PMC_MSP select SYS_HAS_CPU_MIPS32_R2 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_MIPS16 select IRQ_CPU select SERIAL_8250 select SERIAL_8250_CONSOLE @@ -430,6 +442,7 @@ config RALINK select SYS_HAS_CPU_MIPS32_R2 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_MIPS16 select SYS_HAS_EARLY_PRINTK select HAVE_MACH_CLKDEV select CLKDEV_LOOKUP @@ -674,7 +687,6 @@ config SNI_RM select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN - select USE_GENERIC_EARLY_PRINTK_8250 help The SNI RM200/300/400 are MIPS-based machines manufactured by Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid @@ -721,6 +733,11 @@ config CAVIUM_OCTEON_SOC select ZONE_DMA32 select HOLES_IN_ZONE select ARCH_REQUIRE_GPIOLIB + select LIBFDT + select USE_OF + select ARCH_SPARSEMEM_ENABLE + select SYS_SUPPORTS_SMP + select NR_CPUS_DEFAULT_16 help This option supports all of the Octeon reference boards from Cavium Networks. It builds a kernel that dynamically determines the Octeon @@ -789,6 +806,25 @@ config NLM_XLP_BOARD This board is based on Netlogic XLP Processor. Say Y here if you have a XLP based board. +config MIPS_PARAVIRT + bool "Para-Virtualized guest system" + select CEVT_R4K + select CSRC_R4K + select DMA_COHERENT + select SYS_SUPPORTS_64BIT_KERNEL + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_SMP + select NR_CPUS_DEFAULT_4 + select SYS_HAS_EARLY_PRINTK + select SYS_HAS_CPU_MIPS32_R2 + select SYS_HAS_CPU_MIPS64_R2 + select SYS_HAS_CPU_CAVIUM_OCTEON + select HW_HAS_PCI + select SWAP_IO_SPACE + help + This option supports guest running under ???? + endchoice source "arch/mips/alchemy/Kconfig" @@ -809,6 +845,7 @@ source "arch/mips/cavium-octeon/Kconfig" source "arch/mips/loongson/Kconfig" source "arch/mips/loongson1/Kconfig" source "arch/mips/netlogic/Kconfig" +source "arch/mips/paravirt/Kconfig" endmenu @@ -1059,6 +1096,7 @@ config SOC_PNX833X select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_MIPS16 select CPU_MIPSR2_IRQ_VI config SOC_PNX8335 @@ -1398,16 +1436,11 @@ config CPU_SB1 config CPU_CAVIUM_OCTEON bool "Cavium Octeon processor" depends on SYS_HAS_CPU_CAVIUM_OCTEON - select ARCH_SPARSEMEM_ENABLE select CPU_HAS_PREFETCH select CPU_SUPPORTS_64BIT_KERNEL - select SYS_SUPPORTS_SMP - select NR_CPUS_DEFAULT_16 select WEAK_ORDERING select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_HUGEPAGES - select LIBFDT - select USE_OF select USB_EHCI_BIG_ENDIAN_MMIO select MIPS_L1_CACHE_SHIFT_7 help @@ -1659,6 +1692,12 @@ config SYS_HAS_CPU_XLR config SYS_HAS_CPU_XLP bool +config MIPS_MALTA_PM + depends on MIPS_MALTA + depends on PCI + bool + default y + # # CPU may reorder R->R, R->W, W->R, W->W # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC @@ -1756,14 +1795,14 @@ config KVM_GUEST help Select this option if building a guest kernel for KVM (Trap & Emulate) mode -config KVM_HOST_FREQ - int "KVM Host Processor Frequency (MHz)" +config KVM_GUEST_TIMER_FREQ + int "Count/Compare Timer Frequency (MHz)" depends on KVM_GUEST - default 500 + default 100 help - Select this option if building a guest kernel for KVM to skip - RTC emulation when determining guest CPU Frequency. Instead, the guest - processor frequency is automatically derived from the host frequency. + Set this to non-zero if building a guest kernel for KVM to skip RTC + emulation when determining guest CPU Frequency. Instead, the guest's + timer frequency is specified directly. choice prompt "Kernel page size" @@ -1842,7 +1881,7 @@ config FORCE_MAX_ZONEORDER config CEVT_GIC bool "Use GIC global counter for clock events" - depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC) + depends on IRQ_GIC && !MIPS_SEAD3 help Use the GIC global counter for the clock events. The R4K clock event driver is always present, so if the platform ends up not @@ -1895,19 +1934,8 @@ config CPU_R4K_CACHE_TLB bool default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) -choice - prompt "MIPS MT options" - -config MIPS_MT_DISABLED - bool "Disable multithreading support" - help - Use this option if your platform does not support the MT ASE - which is hardware multithreading support. On systems without - an MT-enabled processor, this will be the only option that is - available in this menu. - config MIPS_MT_SMP - bool "Use 1 TC on each available VPE for SMP" + bool "MIPS MT SMP support (1 TC on each available VPE)" depends on SYS_SUPPORTS_MULTITHREADING select CPU_MIPSR2_IRQ_VI select CPU_MIPSR2_IRQ_EI @@ -1926,26 +1954,6 @@ config MIPS_MT_SMP Intel Hyperthreading feature. For further information go to <http://www.imgtec.com/mips/mips-multithreading.asp>. -config MIPS_MT_SMTC - bool "Use all TCs on all VPEs for SMP (DEPRECATED)" - depends on CPU_MIPS32_R2 - depends on SYS_SUPPORTS_MULTITHREADING - depends on !MIPS_CPS - select CPU_MIPSR2_IRQ_VI - select CPU_MIPSR2_IRQ_EI - select MIPS_MT - select SMP - select SMP_UP - select SYS_SUPPORTS_SMP - select NR_CPUS_DEFAULT_8 - help - This is a kernel model which is known as SMTC. This is - supported on cores with the MT ASE and presents all TCs - available on all VPEs to support SMP. For further - information see <http://www.linux-mips.org/wiki/34K#SMTC>. - -endchoice - config MIPS_MT bool @@ -1967,7 +1975,7 @@ config SYS_SUPPORTS_MULTITHREADING config MIPS_MT_FPAFF bool "Dynamic FPU affinity for FP-intensive threads" default y - depends on MIPS_MT_SMP || MIPS_MT_SMTC + depends on MIPS_MT_SMP config MIPS_VPE_LOADER bool "VPE loader support." @@ -1989,29 +1997,6 @@ config MIPS_VPE_LOADER_MT default "y" depends on MIPS_VPE_LOADER && !MIPS_CMP -config MIPS_MT_SMTC_IM_BACKSTOP - bool "Use per-TC register bits as backstop for inhibited IM bits" - depends on MIPS_MT_SMTC - default n - help - To support multiple TC microthreads acting as "CPUs" within - a VPE, VPE-wide interrupt mask bits must be specially manipulated - during interrupt handling. To support legacy drivers and interrupt - controller management code, SMTC has a "backstop" to track and - if necessary restore the interrupt mask. This has some performance - impact on interrupt service overhead. - -config MIPS_MT_SMTC_IRQAFF - bool "Support IRQ affinity API" - depends on MIPS_MT_SMTC - default n - help - Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) - for SMTC Linux kernel. Requires platform support, of which - an example can be found in the MIPS kernel i8259 and Malta - platform code. Adds some overhead to interrupt dispatch, and - should be used only if you know what you are doing. - config MIPS_VPE_LOADER_TOM bool "Load VPE program into memory hidden from linux" depends on MIPS_VPE_LOADER @@ -2039,7 +2024,7 @@ config MIPS_VPE_APSP_API_MT config MIPS_CMP bool "MIPS CMP framework support (DEPRECATED)" - depends on SYS_SUPPORTS_MIPS_CMP && !MIPS_MT_SMTC + depends on SYS_SUPPORTS_MIPS_CMP select MIPS_GIC_IPI select SYNC_R4K select WEAK_ORDERING @@ -2057,9 +2042,11 @@ config MIPS_CPS depends on SYS_SUPPORTS_MIPS_CPS select MIPS_CM select MIPS_CPC + select MIPS_CPS_PM if HOTPLUG_CPU select MIPS_GIC_IPI select SMP select SYNC_R4K if (CEVT_R4K || CSRC_R4K) + select SYS_SUPPORTS_HOTPLUG_CPU select SYS_SUPPORTS_SMP select WEAK_ORDERING help @@ -2069,6 +2056,9 @@ config MIPS_CPS no external assistance. It is safe to enable this when hardware support is unavailable. +config MIPS_CPS_PM + bool + config MIPS_GIC_IPI bool @@ -2199,6 +2189,13 @@ config SYS_SUPPORTS_SMARTMIPS 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 @@ -2239,7 +2236,7 @@ config NODES_SHIFT config HW_PERF_EVENTS bool "Enable hardware performance counter support for perf events" - depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) + depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) default y help Enable hardware performance counter support for perf events. If @@ -2297,8 +2294,8 @@ config NR_CPUS_DEFAULT_64 bool config NR_CPUS - int "Maximum number of CPUs (2-64)" - range 2 64 + 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 @@ -2671,12 +2668,16 @@ endmenu config MIPS_EXTERNAL_TIMER bool -if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER menu "CPU Power Management" + +if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER source "drivers/cpufreq/Kconfig" -endmenu endif +source "drivers/cpuidle/Kconfig" + +endmenu + source "net/Kconfig" source "drivers/Kconfig" |