X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=arch%2Fmips%2FKconfig;h=e8424e73bf47b1b44f3850d564c86e2b9fb78c1c;hb=46230aa6ea1671690e3e5efa2a961fc0745fe9b5;hp=27f83e64296887127d2fff9fe526f543c113fcda;hpb=4c1ac1b49122b805adfa4efc620592f68dccf5db;p=powerpc.git diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 27f83e6429..e8424e73bf 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -8,6 +8,10 @@ mainmenu "Linux/MIPS Kernel Configuration" menu "Machine selection" +config ZONE_DMA + bool + default y + choice prompt "System type" default SGI_IP22 @@ -16,6 +20,7 @@ config MIPS_MTX1 bool "4G Systems MTX-1 board" select DMA_NONCOHERENT select HW_HAS_PCI + select RESOURCES_64BIT if PCI select SOC_AU1500 select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -32,6 +37,7 @@ config MIPS_PB1000 select SOC_AU1000 select DMA_NONCOHERENT select HW_HAS_PCI + select RESOURCES_64BIT if PCI select SWAP_IO_SPACE select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -41,6 +47,7 @@ config MIPS_PB1100 select SOC_AU1100 select DMA_NONCOHERENT select HW_HAS_PCI + select RESOURCES_64BIT if PCI select SWAP_IO_SPACE select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -50,6 +57,7 @@ config MIPS_PB1500 select SOC_AU1500 select DMA_NONCOHERENT select HW_HAS_PCI + select RESOURCES_64BIT if PCI select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -59,6 +67,7 @@ config MIPS_PB1550 select DMA_NONCOHERENT select HW_HAS_PCI select MIPS_DISABLE_OBSOLETE_IDE + select RESOURCES_64BIT if PCI select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -67,6 +76,7 @@ config MIPS_PB1200 select SOC_AU1200 select DMA_NONCOHERENT select MIPS_DISABLE_OBSOLETE_IDE + select RESOURCES_64BIT if PCI select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -75,6 +85,7 @@ config MIPS_DB1000 select SOC_AU1000 select DMA_NONCOHERENT select HW_HAS_PCI + select RESOURCES_64BIT if PCI select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -91,6 +102,7 @@ config MIPS_DB1500 select DMA_NONCOHERENT select HW_HAS_PCI select MIPS_DISABLE_OBSOLETE_IDE + select RESOURCES_64BIT if PCI select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN @@ -101,6 +113,7 @@ config MIPS_DB1550 select HW_HAS_PCI select DMA_NONCOHERENT select MIPS_DISABLE_OBSOLETE_IDE + select RESOURCES_64BIT if PCI select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -120,7 +133,7 @@ config MIPS_MIRAGE select SYS_SUPPORTS_LITTLE_ENDIAN config BASLER_EXCITE - bool "Basler eXcite smart camera support" + bool "Basler eXcite smart camera" select DMA_COHERENT select HW_HAS_PCI select IRQ_CPU @@ -131,9 +144,10 @@ config BASLER_EXCITE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB help The eXcite is a smart camera platform manufactured by - Basler Vision Technologies AG + Basler Vision Technologies AG. config BASLER_EXCITE_PROTOTYPE bool "Support for pre-release units" @@ -153,15 +167,17 @@ config MIPS_COBALT select IRQ_CPU select MIPS_GT64111 select SYS_HAS_CPU_NEVADA + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ config MACH_DECSTATION bool "DECstations" select BOOT_ELF32 select DMA_NONCOHERENT - select EARLY_PRINTK + select SYS_HAS_EARLY_PRINTK select IRQ_CPU select SYS_HAS_CPU_R3000 select SYS_HAS_CPU_R4X00 @@ -196,6 +212,7 @@ config MIPS_EV64120 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB help This is an evaluation board based on the Galileo GT-64120 single-chip system controller that contains a MIPS R5000 compatible @@ -216,6 +233,7 @@ config MACH_JAZZ select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_100HZ + select GENERIC_HARDIRQS_NO__DO_IRQ 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. @@ -225,19 +243,22 @@ config MACH_JAZZ config LASAT bool "LASAT Networks platforms" select DMA_NONCOHERENT + select SYS_HAS_EARLY_PRINTK select HW_HAS_PCI select MIPS_GT64120 select MIPS_NILE4 select R5000_CPU_SCACHE select SYS_HAS_CPU_R5000 select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL + select SYS_SUPPORTS_64BIT_KERNEL if BROKEN select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ config MIPS_ATLAS bool "MIPS Atlas board" select BOOT_ELF32 select DMA_NONCOHERENT + select SYS_HAS_EARLY_PRINTK select IRQ_CPU select HW_HAS_PCI select MIPS_BOARDS_GEN @@ -256,6 +277,8 @@ config MIPS_ATLAS select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL + select SYS_SUPPORTS_SMARTMIPS + select GENERIC_HARDIRQS_NO__DO_IRQ help This enables support for the MIPS Technologies Atlas evaluation board. @@ -281,11 +304,13 @@ config MIPS_MALTA select SYS_HAS_CPU_MIPS64_R1 select SYS_HAS_CPU_NEVADA select SYS_HAS_CPU_RM7000 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MULTITHREADING + select SYS_SUPPORTS_SMARTMIPS help This enables support for the MIPS Technologies Malta evaluation board. @@ -295,6 +320,7 @@ config MIPS_SEAD depends on EXPERIMENTAL select IRQ_CPU select DMA_NONCOHERENT + select SYS_HAS_EARLY_PRINTK select MIPS_BOARDS_GEN select SYS_HAS_CPU_MIPS32_R1 select SYS_HAS_CPU_MIPS32_R2 @@ -303,6 +329,7 @@ config MIPS_SEAD select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_SMARTMIPS help This enables support for the MIPS Technologies SEAD evaluation board. @@ -331,9 +358,11 @@ config WR_PPMC config MIPS_SIM bool 'MIPS simulator (MIPSsim)' select DMA_NONCOHERENT + select SYS_HAS_EARLY_PRINTK select IRQ_CPU select SYS_HAS_CPU_MIPS32_R1 select SYS_HAS_CPU_MIPS32_R2 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN @@ -354,9 +383,11 @@ config MOMENCO_JAGUAR_ATX select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_HAS_CPU_RM9000 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB help The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by Momentum Computer . @@ -374,6 +405,7 @@ config MOMENCO_OCELOT select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB help The Ocelot is a MIPS-based Single Board Computer (SBC) made by Momentum Computer . @@ -410,6 +442,7 @@ config MOMENCO_OCELOT_C select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ help The Ocelot is a MIPS-based Single Board Computer (SBC) made by Momentum Computer . @@ -437,13 +470,13 @@ config MIPS_XXS1500 select SOC_AU1500 select SYS_SUPPORTS_LITTLE_ENDIAN -config PNX8550_V2PCI - bool "Philips PNX8550 based Viper2-PCI board" +config PNX8550_JBS + bool "Philips PNX8550 based JBS board" select PNX8550 select SYS_SUPPORTS_LITTLE_ENDIAN -config PNX8550_JBS - bool "Philips PNX8550 based JBS board" +config PNX8550_STB810 + bool "Support for Philips PNX8550 based STB810 board" select PNX8550 select SYS_SUPPORTS_LITTLE_ENDIAN @@ -457,6 +490,8 @@ config DDB5477 select SYS_HAS_CPU_R5432 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL + select SYS_SUPPORTS_KGDB + select SYS_SUPPORTS_KGDB select SYS_SUPPORTS_LITTLE_ENDIAN help This enables support for the R5432-based NEC DDB Vrc-5477, @@ -470,6 +505,7 @@ config MACH_VR41XX select SYS_HAS_CPU_VR41XX select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL + select GENERIC_HARDIRQS_NO__DO_IRQ config PMC_YOSEMITE bool "PMC-Sierra Yosemite eval board" @@ -480,10 +516,12 @@ config PMC_YOSEMITE select IRQ_CPU_RM9K select SWAP_IO_SPACE select SYS_HAS_CPU_RM9000 + 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_KGDB select SYS_SUPPORTS_SMP help Yosemite is an evaluation board for the RM9000x2 processor @@ -503,6 +541,7 @@ config QEMU select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN select ARCH_SPARSEMEM_ENABLE + select GENERIC_HARDIRQS_NO__DO_IRQ help Qemu is a software emulator which among other architectures also can simulate a MIPS32 4Kc system. This patch adds support for the @@ -538,6 +577,7 @@ config SGI_IP22 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 @@ -552,14 +592,17 @@ config SGI_IP27 select ARC64 select BOOT_ELF64 select DMA_IP27 - select EARLY_PRINTK + select SYS_HAS_EARLY_PRINTK select HW_HAS_PCI + select NR_CPUS_DEFAULT_64 select PCI_DOMAINS select SYS_HAS_CPU_R10000 select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB select SYS_SUPPORTS_NUMA select SYS_SUPPORTS_SMP + select GENERIC_HARDIRQS_NO__DO_IRQ 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 @@ -571,8 +614,6 @@ config SGI_IP32 select ARC select ARC32 select BOOT_ELF32 - select OWN_DMA - select DMA_IP32 select DMA_NONCOHERENT select HW_HAS_PCI select R5000_CPU_SCACHE @@ -590,6 +631,7 @@ config SIBYTE_BIGSUR bool "Sibyte BCM91480B-BigSur" select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_4 select PCI_DOMAINS select SIBYTE_BCM1x80 select SWAP_IO_SPACE @@ -601,11 +643,13 @@ config SIBYTE_SWARM bool "Sibyte BCM91250A-SWARM" select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE select SYS_HAS_CPU_SB1 select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_KGDB select SYS_SUPPORTS_LITTLE_ENDIAN config SIBYTE_SENTOSA @@ -613,6 +657,7 @@ config SIBYTE_SENTOSA depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE select SYS_HAS_CPU_SB1 @@ -646,6 +691,7 @@ config SIBYTE_PTSWARM depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE select SYS_HAS_CPU_SB1 @@ -658,6 +704,7 @@ config SIBYTE_LITTLESUR depends on EXPERIMENTAL select BOOT_ELF32 select DMA_COHERENT + select NR_CPUS_DEFAULT_2 select SIBYTE_SB1250 select SWAP_IO_SPACE select SYS_HAS_CPU_SB1 @@ -688,32 +735,34 @@ config SIBYTE_CRHONE select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN -config SNI_RM200_PCI - bool "SNI RM200 PCI" +config SNI_RM + bool "SNI RM200/300/400" select ARC if CPU_LITTLE_ENDIAN select ARC32 if CPU_LITTLE_ENDIAN select ARCH_MAY_HAVE_PC_FDC select BOOT_ELF32 select DMA_NONCOHERENT select GENERIC_ISA_DMA - select HAVE_STD_PC_SERIAL_PORT select HW_HAS_EISA select HW_HAS_PCI + select IRQ_CPU select I8253 select I8259 select ISA 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 if EXPERIMENTAL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN help - The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens - Nixdorf Informationssysteme (SNI), parent company of Pyramid + 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. @@ -725,6 +774,7 @@ config TOSHIBA_JMR3927 select SWAP_IO_SPACE select SYS_HAS_CPU_TX39XX select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN select TOSHIBA_BOARDS @@ -739,8 +789,11 @@ config TOSHIBA_RBTX4927 select SYS_HAS_CPU_TX49XX select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB select TOSHIBA_BOARDS + select GENERIC_HARDIRQS_NO__DO_IRQ help This Toshiba board is based on the TX4927 processor. Say Y here to support this machine type @@ -759,30 +812,15 @@ config TOSHIBA_RBTX4938 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB select TOSHIBA_BOARDS + select GENERIC_HARDIRQS_NO__DO_IRQ help This Toshiba board is based on the TX4938 processor. Say Y here to support this machine type endchoice -config KEXEC - bool "Kexec system call (EXPERIMENTAL)" - depends on EXPERIMENTAL - 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 indepedent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - - The name comes from the similiarity 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. It may help to enable device hotplugging - support. As of this writing the exact hardware interface is - strongly in flux, so no good recommendation can be made. - source "arch/mips/ddb5xxx/Kconfig" source "arch/mips/gt64120/ev64120/Kconfig" source "arch/mips/jazz/Kconfig" @@ -795,7 +833,6 @@ source "arch/mips/tx4927/Kconfig" source "arch/mips/tx4938/Kconfig" source "arch/mips/vr41xx/Kconfig" source "arch/mips/philips/pnx8550/common/Kconfig" -source "arch/mips/cobalt/Kconfig" endmenu @@ -806,6 +843,14 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM bool +config ARCH_HAS_ILOG2_U32 + bool + default n + +config ARCH_HAS_ILOG2_U64 + bool + default n + config GENERIC_FIND_NEXT_BIT bool default y @@ -826,6 +871,10 @@ config SCHED_NO_NO_OMIT_FRAME_POINTER bool default y +config GENERIC_HARDIRQS_NO__DO_IRQ + bool + default n + # # Select some configuration options automatically based on user selections. # @@ -852,10 +901,21 @@ config DMA_NONCOHERENT config DMA_NEED_PCI_MAP_STATE bool -config OWN_DMA - bool - config EARLY_PRINTK + bool "Early printk" if EMBEDDED && DEBUG_KERNEL + depends on SYS_HAS_EARLY_PRINTK + default y + help + This option enables special console drivers which allow the kernel + to print messages very early in the bootup process. + + This is useful for kernel debugging when your machine crashes very + early before the console code is initialized. For normal operation + it is not recommended because it looks on some machines ugly and + oesn't cooperate with an X server. You should normally N here, + unless you want to debug such a crash. + +config SYS_HAS_EARLY_PRINTK bool config GENERIC_ISA_DMA @@ -909,6 +969,9 @@ config CPU_LITTLE_ENDIAN endchoice +config SYS_SUPPORTS_APM_EMULATION + bool + config SYS_SUPPORTS_BIG_ENDIAN bool @@ -929,6 +992,7 @@ config IRQ_MV64340 config DDB5XXX_COMMON bool + select SYS_SUPPORTS_KGDB config MIPS_BOARDS_GEN bool @@ -976,6 +1040,8 @@ config SOC_AU1X00 bool select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_APM_EMULATION + select SYS_SUPPORTS_KGDB config PNX8550 bool @@ -986,7 +1052,10 @@ config SOC_PNX8550 select DMA_NONCOHERENT select HW_HAS_PCI select SYS_HAS_CPU_MIPS32_R1 + select SYS_HAS_EARLY_PRINTK select SYS_SUPPORTS_32BIT_KERNEL + select GENERIC_HARDIRQS_NO__DO_IRQ + select SYS_SUPPORTS_KGDB config SWAP_IO_SPACE bool @@ -1035,7 +1104,7 @@ config BOOT_ELF32 config MIPS_L1_CACHE_SHIFT int - default "4" if MACH_DECSTATION + default "4" if MACH_DECSTATION || SNI_RM default "7" if SGI_IP27 default "5" @@ -1044,16 +1113,16 @@ config HAVE_STD_PC_SERIAL_PORT config ARC_CONSOLE bool "ARC console support" - depends on SGI_IP22 || SNI_RM200_PCI + depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) config ARC_MEMORY bool - depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32 + depends on MACH_JAZZ || SNI_RM || SGI_IP32 default y config ARC_PROMLIB bool - depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32 + depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 default y config ARC64 @@ -1268,6 +1337,7 @@ config CPU_RM9000 select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM + select WEAK_ORDERING config CPU_SB1 bool "SB1" @@ -1276,6 +1346,7 @@ config CPU_SB1 select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM + select WEAK_ORDERING endchoice @@ -1336,6 +1407,8 @@ config SYS_HAS_CPU_RM9000 config SYS_HAS_CPU_SB1 bool +config WEAK_ORDERING + bool endmenu # @@ -1500,6 +1573,8 @@ config MIPS_MT_SMTC select CPU_MIPSR2_IRQ_VI select CPU_MIPSR2_SRS select MIPS_MT + select NR_CPUS_DEFAULT_2 + select NR_CPUS_DEFAULT_8 select SMP select SYS_SUPPORTS_SMP help @@ -1527,6 +1602,20 @@ config MIPS_MT_FPAFF depends on MIPS_MT default y +config MIPS_MT_SMTC_INSTANT_REPLAY + bool "Low-latency Dispatch of Deferred SMTC IPIs" + depends on MIPS_MT_SMTC + default y + help + SMTC pseudo-interrupts between TCs are deferred and queued + if the target TC is interrupt-inhibited (IXMT). In the first + SMTC prototypes, these queued IPIs were serviced on return + to user mode, or on entry into the kernel idle loop. The + INSTANT_REPLAY option dispatches them as part of local_irq_restore() + processing, which adds runtime overhead (hence the option to turn + it off), but ensures that IPIs are handled promptly even under + heavy I/O interrupt load. + config MIPS_VPE_LOADER_TOM bool "Load VPE program into memory hidden from linux" depends on MIPS_VPE_LOADER @@ -1575,6 +1664,18 @@ config 64BIT_PHYS_ADDR config CPU_HAS_LLSC bool +config CPU_HAS_SMARTMIPS + depends on SYS_SUPPORTS_SMARTMIPS + bool "Support for the SmartMIPS ASE" + 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_HAS_WB bool @@ -1638,6 +1739,9 @@ config CPU_SUPPORTS_HIGHMEM config SYS_SUPPORTS_HIGHMEM bool +config SYS_SUPPORTS_SMARTMIPS + bool + config ARCH_FLATMEM_ENABLE def_bool y depends on !NUMA @@ -1701,13 +1805,34 @@ config SMP config SYS_SUPPORTS_SMP bool +config NR_CPUS_DEFAULT_2 + 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 (2-64)" range 2 64 depends on SMP - default "64" if SGI_IP27 - default "2" - default "8" if MIPS_MT_SMTC + default "2" if NR_CPUS_DEFAULT_2 + 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 @@ -1790,10 +1915,6 @@ config HZ source "kernel/Kconfig.preempt" -config RTC_DS1742 - bool "DS1742 BRAM/RTC support" - depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 - config MIPS_INSANE_LARGE bool "Support for large 64-bit configurations" depends on CPU_R10000 && 64BIT @@ -1804,6 +1925,40 @@ config MIPS_INSANE_LARGE This will result in additional memory usage, so it is not recommended for normal users. +config KEXEC + bool "Kexec system call (EXPERIMENTAL)" + depends on EXPERIMENTAL + 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 indepedent of the system firmware. And like a reboot + you can start any kernel with it, not just Linux. + + The name comes from the similiarity 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. It may help to enable device hotplugging + support. As of this writing the exact hardware interface is + strongly in flux, so no good recommendation can be made. + +config SECCOMP + bool "Enable seccomp to safely compute untrusted bytecode" + depends on PROC_FS && BROKEN + default y + help + This kernel feature is useful for number crunching applications + that may need to compute untrusted bytecode during their + execution. By using pipes or other transports made available to + the process as file descriptors supporting the read/write + syscalls, it's possible to isolate those applications in + their own address space using seccomp. Once seccomp is + enabled via /proc//seccomp, it cannot be disabled + and the task is only allowed to execute a few safe syscalls + defined by each seccomp mode. + + If unsure, say Y. Only embedded should say N here. + endmenu config RWSEM_GENERIC_SPINLOCK @@ -1940,6 +2095,11 @@ config COMPAT depends on MIPS32_COMPAT default y +config SYSVIPC_COMPAT + bool + depends on COMPAT && SYSVIPC + default y + config MIPS32_O32 bool "Kernel support for o32 binaries" depends on MIPS32_COMPAT @@ -1965,52 +2125,11 @@ config BINFMT_ELF32 bool default y if MIPS32_O32 || MIPS32_N32 -config SECCOMP - bool "Enable seccomp to safely compute untrusted bytecode" - depends on PROC_FS && BROKEN - default y - help - This kernel feature is useful for number crunching applications - that may need to compute untrusted bytecode during their - execution. By using pipes or other transports made available to - the process as file descriptors supporting the read/write - syscalls, it's possible to isolate those applications in - their own address space using seccomp. Once seccomp is - enabled via /proc//seccomp, it cannot be disabled - and the task is only allowed to execute a few safe syscalls - defined by each seccomp mode. +endmenu - If unsure, say Y. Only embedded should say N here. +menu "Power management options" -config PM - bool "Power Management support (EXPERIMENTAL)" - depends on EXPERIMENTAL && SOC_AU1X00 - -config APM - tristate "Advanced Power Management Emulation" - depends on PM - ---help--- - APM is a BIOS specification for saving power using several different - techniques. This is mostly useful for battery powered systems with - APM compliant BIOSes. If you say Y here, the system time will be - reset after a RESUME operation, the /proc/apm device will provide - battery status information, and user-space programs will receive - notification of APM "events" (e.g. battery status change). - - In order to use APM, you will need supporting software. For location - and more information, read and the - Battery Powered Linux mini-HOWTO, available from - . - - This driver does not spin down disk drives (see the hdparm(8) - manpage ("man 8 hdparm") for that), and it doesn't turn off - VESA-compliant "green" monitors. - - Generally, if you don't have a battery in your machine, there isn't - much point in using this driver and you should say N. If you get - random kernel OOPSes or reboots that don't seem to be related to - anything, try disabling/enabling this option (or disabling/enabling - APM in your BIOS). +source "kernel/power/Kconfig" endmenu