config MIPS bool default y # Horrible source of confusion. Die, die, die ... select EMBEDDED # shouldn't it be per-subarchitecture? config ARCH_MAY_HAVE_PC_FDC bool default y mainmenu "Linux/MIPS Kernel Configuration" source "init/Kconfig" config CPU_MIPS32 bool default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 config CPU_MIPS64 bool default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 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 config SYS_SUPPORTS_32BIT_KERNEL bool config SYS_SUPPORTS_64BIT_KERNEL bool config CPU_SUPPORTS_32BIT_KERNEL bool config CPU_SUPPORTS_64BIT_KERNEL bool 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 endmenu menu "Machine selection" config MACH_JAZZ bool "Support for the Jazz family of machines" select ARC select ARC32 select GENERIC_ISA_DMA select I8259 select ISA select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 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 Millenium and Olivetti M700-10 workstations. config ACER_PICA_61 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)" depends on MACH_JAZZ && EXPERIMENTAL select DMA_NONCOHERENT help This is a machine with a R4400 133/150 MHz CPU. To compile a Linux kernel that runs on these, say Y here. For details about Linux on the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at . config MIPS_MAGNUM_4000 bool "Support for MIPS Magnum 4000" depends on MACH_JAZZ select DMA_NONCOHERENT help This is a machine with a R4000 100 MHz CPU. To compile a Linux kernel that runs on these, say Y here. For details about Linux on the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at . config OLIVETTI_M700 bool "Support for Olivetti M700-10" depends on MACH_JAZZ select DMA_NONCOHERENT help This is a machine with a R4000 100 MHz CPU. To compile a Linux kernel that runs on these, say Y here. For details about Linux on the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at . config MACH_VR41XX bool "Support for NEC VR4100 series based machines" select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL config NEC_CMBVR4133 bool "Support for NEC CMB-VR4133" depends on MACH_VR41XX select CPU_VR41XX select DMA_NONCOHERENT select IRQ_CPU select HW_HAS_PCI config ROCKHOPPER bool "Support for Rockhopper baseboard" depends on NEC_CMBVR4133 select I8259 select HAVE_STD_PC_SERIAL_PORT config CASIO_E55 bool "Support for CASIO CASSIOPEIA E-10/15/55/65" depends on MACH_VR41XX select CPU_LITTLE_ENDIAN select DMA_NONCOHERENT select IRQ_CPU select ISA config IBM_WORKPAD bool "Support for IBM WorkPad z50" depends on MACH_VR41XX select CPU_LITTLE_ENDIAN select DMA_NONCOHERENT select IRQ_CPU select ISA config TANBAC_TB022X bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM" depends on MACH_VR41XX select CPU_LITTLE_ENDIAN select DMA_NONCOHERENT select IRQ_CPU select HW_HAS_PCI help The TANBAC VR4131 multichip module(TB0225) and the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms manufactured by TANBAC. Please refer to about VR4131 multichip module and VR4131DIMM. config TANBAC_TB0226 bool "Support for TANBAC Mbase(TB0226)" depends on TANBAC_TB022X select GPIO_VR41XX help The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC. Please refer to about Mbase. config TANBAC_TB0287 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)" depends on TANBAC_TB022X help The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC. Please refer to about Mini-ITX DIMM base. config VICTOR_MPC30X bool "Support for Victor MP-C303/304" depends on MACH_VR41XX select CPU_LITTLE_ENDIAN select DMA_NONCOHERENT select IRQ_CPU select HW_HAS_PCI config ZAO_CAPCELLA bool "Support for ZAO Networks Capcella" depends on MACH_VR41XX select CPU_LITTLE_ENDIAN select DMA_NONCOHERENT select IRQ_CPU select HW_HAS_PCI config PCI_VR41XX bool "Add PCI control unit support of NEC VR4100 series" depends on MACH_VR41XX && HW_HAS_PCI default y select PCI config VRC4173 tristate "Add NEC VRC4173 companion chip support" depends on MACH_VR41XX && PCI_VR41XX ---help--- The NEC VRC4173 is a companion chip for NEC VR4122/VR4131. config TOSHIBA_JMR3927 bool "Support for Toshiba JMR-TX3927 board" select DMA_NONCOHERENT select HW_HAS_PCI select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL config MIPS_COBALT bool "Support for Cobalt Server" depends on EXPERIMENTAL select DMA_NONCOHERENT select HW_HAS_PCI select I8259 select IRQ_CPU select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL config MACH_DECSTATION bool "Support for DECstations" select BOOT_ELF32 select DMA_NONCOHERENT select EARLY_PRINTK select IRQ_CPU select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL ---help--- This enables support for DEC's MIPS based workstations. For details see the Linux/MIPS FAQ on and the DECstation porting pages on . 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 MIPS_EV64120 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)" depends on EXPERIMENTAL select DMA_NONCOHERENT select IRQ_CPU select HW_HAS_PCI select MIPS_GT64120 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help This is an evaluation board based on the Galileo GT-64120 single-chip system controller that contains a MIPS R5000 compatible core running at 75/100MHz. Their website is located at . Say Y here if you wish to build a kernel for this platform. config EVB_PCI1 bool "Enable Second PCI (PCI1)" depends on MIPS_EV64120 config MIPS_EV96100 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)" depends on EXPERIMENTAL select DMA_NONCOHERENT select HW_HAS_PCI select IRQ_CPU select MIPS_GT96100 select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help This is an evaluation board based on the Galileo GT-96100 LAN/WAN communications controllers containing a MIPS R5000 compatible core running at 83MHz. Their website is . Say Y here if you wish to build a kernel for this platform. config MIPS_IVR bool "Support for Globespan IVR board" select DMA_NONCOHERENT select HW_HAS_PCI select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL help This is an evaluation board built by Globespan to showcase thir iVR (Internet Video Recorder) design. It utilizes a QED RM5231 R5000 MIPS core. More information can be found out their website located at . Say Y here if you wish to build a kernel for this platform. config LASAT bool "Support for LASAT Networks platforms" select DMA_NONCOHERENT select HW_HAS_PCI select MIPS_GT64120 select R5000_CPU_SCACHE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL config PICVUE tristate "PICVUE LCD display driver" depends on LASAT config PICVUE_PROC tristate "PICVUE LCD display driver /proc interface" depends on PICVUE config DS1603 bool "DS1603 RTC driver" depends on LASAT config LASAT_SYSCTL bool "LASAT sysctl interface" depends on LASAT config MIPS_ITE8172 bool "Support for ITE 8172G board" select DMA_NONCOHERENT select HW_HAS_PCI select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL help Ths is an evaluation board made by ITE with ATX form factor that utilizes a MIPS R5000 to work with its ITE8172G companion internet appliance chip. The MIPS core can be either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build a kernel for this platform. config IT8172_REVC bool "Support for older IT8172 (Rev C)" depends on MIPS_ITE8172 help Say Y here to support the older, Revision C version of the Integrated Technology Express, Inc. ITE8172 SBC. Vendor page at ; picture of the board at . config MIPS_ATLAS bool "Support for MIPS Atlas board" select BOOT_ELF32 select DMA_NONCOHERENT select HW_HAS_PCI select MIPS_GT64120 select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help This enables support for the MIPS Technologies Atlas evaluation board. config MIPS_MALTA bool "Support for MIPS Malta board" select BOOT_ELF32 select HAVE_STD_PC_SERIAL_PORT select DMA_NONCOHERENT select IRQ_CPU select GENERIC_ISA_DMA select HW_HAS_PCI select I8259 select MIPS_GT64120 select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help This enables support for the MIPS Technologies Malta evaluation board. config MIPS_SEAD bool "Support for MIPS SEAD board (EXPERIMENTAL)" depends on EXPERIMENTAL select IRQ_CPU select DMA_NONCOHERENT select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help This enables support for the MIPS Technologies SEAD evaluation board. config MOMENCO_OCELOT bool "Support for Momentum Ocelot board" select DMA_NONCOHERENT select HW_HAS_PCI select IRQ_CPU select IRQ_CPU_RM7K select MIPS_GT64120 select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help The Ocelot is a MIPS-based Single Board Computer (SBC) made by Momentum Computer . config MOMENCO_OCELOT_G bool "Support for Momentum Ocelot-G board" select DMA_NONCOHERENT select HW_HAS_PCI select IRQ_CPU select IRQ_CPU_RM7K select PCI_MARVELL select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help The Ocelot is a MIPS-based Single Board Computer (SBC) made by Momentum Computer . config MOMENCO_OCELOT_C bool "Support for Momentum Ocelot-C board" select DMA_NONCOHERENT select HW_HAS_PCI select IRQ_CPU select IRQ_MV64340 select PCI_MARVELL select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help The Ocelot is a MIPS-based Single Board Computer (SBC) made by Momentum Computer . config MOMENCO_OCELOT_3 bool "Support for Momentum Ocelot-3 board" select BOOT_ELF32 select DMA_NONCOHERENT select HW_HAS_PCI select IRQ_CPU select IRQ_CPU_RM7K select IRQ_MV64340 select PCI_MARVELL select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help The Ocelot-3 is based off Discovery III System Controller and PMC-Sierra Rm79000 core. config MOMENCO_JAGUAR_ATX bool "Support for Momentum Jaguar board" select BOOT_ELF32 select DMA_NONCOHERENT select HW_HAS_PCI select IRQ_CPU select IRQ_CPU_RM7K select IRQ_MV64340 select LIMITED_DMA select PCI_MARVELL select RM7000_CPU_SCACHE select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by Momentum Computer . config JAGUAR_DMALOW bool "Low DMA Mode" depends on MOMENCO_JAGUAR_ATX help Select to Y if jump JP5 is set on your board, N otherwise. Normally the jumper is set, so if you feel unsafe, just say Y. config PMC_YOSEMITE bool "Support for PMC-Sierra Yosemite eval board" select DMA_COHERENT select HW_HAS_PCI select IRQ_CPU select IRQ_CPU_RM7K select IRQ_CPU_RM9K select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help Yosemite is an evaluation board for the RM9000x2 processor manufactured by PMC-Sierra config HYPERTRANSPORT bool "Hypertransport Support for PMC-Sierra Yosemite" depends on PMC_YOSEMITE config PNX8550_V2PCI bool "Support for Philips PNX8550 based Viper2-PCI board" select PNX8550 select SYS_SUPPORTS_LITTLE_ENDIAN config PNX8550_JBS bool "Support for Philips PNX8550 based JBS board" select PNX8550 select SYS_SUPPORTS_LITTLE_ENDIAN config DDB5074 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)" depends on EXPERIMENTAL select DMA_NONCOHERENT select HAVE_STD_PC_SERIAL_PORT select HW_HAS_PCI select IRQ_CPU select I8259 select ISA select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help This enables support for the VR5000-based NEC DDB Vrc-5074 evaluation board. config DDB5476 bool "Support for NEC DDB Vrc-5476" select DMA_NONCOHERENT select HAVE_STD_PC_SERIAL_PORT select HW_HAS_PCI select IRQ_CPU select I8259 select ISA select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL help This enables support for the R5432-based NEC DDB Vrc-5476 evaluation board. Features : kernel debugging, serial terminal, NFS root fs, on-board ether port USB, AC97, PCI, PCI VGA card & framebuffer console, IDE controller, PS2 keyboard, PS2 mouse, etc. config DDB5477 bool "Support for NEC DDB Vrc-5477" select DMA_NONCOHERENT select HW_HAS_PCI select I8259 select IRQ_CPU select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL help This enables support for the R5432-based NEC DDB Vrc-5477, or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. Features : kernel debugging, serial terminal, NFS root fs, on-board ether port USB, AC97, PCI, etc. config DDB5477_BUS_FREQUENCY int "bus frequency (in kHZ, 0 for auto-detect)" depends on DDB5477 default 0 config QEMU bool "Support for Qemu" select DMA_COHERENT select GENERIC_ISA_DMA select HAVE_STD_PC_SERIAL_PORT select I8259 select ISA select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN help Qemu is a software emulator which among other architectures also can simulate a MIPS32 4Kc system. This patch adds support for the system architecture that currently is being simulated by Qemu. It will eventually be removed again when Qemu has the capability to simulate actual MIPS hardware platforms. More information on Qemu can be found at http://www.linux-mips.org/wiki/Qemu. config SGI_IP22 bool "Support for SGI IP22 (Indy/Indigo2)" select ARC select ARC32 select BOOT_ELF32 select DMA_NONCOHERENT select IP22_CPU_SCACHE select IRQ_CPU select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL 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 "Support for SGI IP27 (Origin200/2000)" select ARC select ARC64 select DMA_IP27 select HW_HAS_PCI select PCI_DOMAINS select SYS_SUPPORTS_64BIT_KERNEL 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_SN0_XXL # bool "IP27 XXL" # depends on SGI_IP27 # This options adds support for userspace processes upto 16TB size. # Normally the limit is just .5TB. config SGI_SN0_N_MODE bool "IP27 N-Mode" depends on SGI_IP27 help The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be configured in either N-Modes which allows for more nodes or M-Mode which allows for more memory. Your system is most probably running in M-Mode, so you should say N here. config ARCH_DISCONTIGMEM_ENABLE bool default y if SGI_IP27 help Say Y to upport efficient handling of discontiguous physical memory, for architectures which are either NUMA (Non-Uniform Memory Access) or have huge holes in the physical address space for other reasons. See for more. config NUMA bool "NUMA Support" depends on SGI_IP27 help Say Y to compile the kernel to support NUMA (Non-Uniform Memory Access). This option is for configuring high-end multiprocessor server machines. If in doubt, say N. config MAPPED_KERNEL bool "Mapped kernel support" depends on SGI_IP27 help Change the way a Linux kernel is loaded into memory on a MIPS64 machine. This is required in order to support text replication and NUMA. If you need to understand it, read the source code. config REPLICATE_KTEXT bool "Kernel text replication support" depends on SGI_IP27 help Say Y here to enable replicating the kernel text across multiple nodes in a NUMA cluster. This trades memory for speed. config REPLICATE_EXHANDLERS bool "Exception handler replication support" depends on SGI_IP27 help Say Y here to enable replicating the kernel exception handlers across multiple nodes in a NUMA cluster. This trades memory for speed. config SGI_IP32 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)" depends on EXPERIMENTAL select ARC select ARC32 select BOOT_ELF32 select OWN_DMA select DMA_IP32 select DMA_NONCOHERENT select HAS_TXX9_SERIAL select HW_HAS_PCI select R5000_CPU_SCACHE select RM7000_CPU_SCACHE select SYS_SUPPORTS_64BIT_KERNEL help If you want this kernel to run on SGI O2 workstation, say Y here. config SOC_AU1200 bool select SOC_AU1X00 config SOC_AU1X00 bool "Support for AMD/Alchemy Au1X00 SOCs" select SYS_SUPPORTS_32BIT_KERNEL choice prompt "Au1X00 SOC Type" depends on SOC_AU1X00 help Say Y here to enable support for one of three AMD/Alchemy SOCs. For additional documentation see www.amd.com. config SOC_AU1000 bool "SOC_AU1000" config SOC_AU1100 bool "SOC_AU1100" config SOC_AU1500 bool "SOC_AU1500" config SOC_AU1550 bool "SOC_AU1550" config TOSHIBA_RBTX4938 bool "Support for Toshiba RBTX4938 board" select HAVE_STD_PC_SERIAL_PORT select DMA_NONCOHERENT select GENERIC_ISA_DMA select HAS_TXX9_SERIAL select HW_HAS_PCI select I8259 select ISA select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN select TOSHIBA_BOARDS help This Toshiba board is based on the TX4938 processor. Say Y here to support this machine type endchoice choice prompt "AMD/Alchemy Au1x00 board support" depends on SOC_AU1X00 help These are evaluation boards built by AMD/Alchemy to showcase their Au1X00 Internet Edge Processors. The SOC design is based on the MIPS32 architecture running at 266/400/500MHz with many integrated peripherals. Further information can be found at their website, . Say Y here if you wish to build a kernel for this platform. config MIPS_PB1000 bool "PB1000 board" depends on SOC_AU1000 select DMA_NONCOHERENT select HW_HAS_PCI select SWAP_IO_SPACE config MIPS_PB1100 bool "PB1100 board" depends on SOC_AU1100 select DMA_NONCOHERENT select HW_HAS_PCI select SWAP_IO_SPACE config MIPS_PB1500 bool "PB1500 board" depends on SOC_AU1500 select DMA_NONCOHERENT select HW_HAS_PCI config MIPS_PB1550 bool "PB1550 board" depends on SOC_AU1550 select DMA_COHERENT select HW_HAS_PCI select MIPS_DISABLE_OBSOLETE_IDE config MIPS_PB1200 bool "AMD Alchemy PB1200 board" select SOC_AU1200 select DMA_NONCOHERENT select MIPS_DISABLE_OBSOLETE_IDE select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN config MIPS_DB1000 bool "DB1000 board" depends on SOC_AU1000 select DMA_NONCOHERENT select HW_HAS_PCI config MIPS_DB1100 bool "DB1100 board" depends on SOC_AU1100 select DMA_NONCOHERENT config MIPS_DB1500 bool "DB1500 board" depends on SOC_AU1500 select DMA_NONCOHERENT select HW_HAS_PCI select MIPS_DISABLE_OBSOLETE_IDE config MIPS_DB1550 bool "DB1550 board" depends on SOC_AU1550 select HW_HAS_PCI select DMA_NONCOHERENT select MIPS_DISABLE_OBSOLETE_IDE config MIPS_BOSPORUS bool "Bosporus board" depends on SOC_AU1500 select DMA_NONCOHERENT config MIPS_DB1200 bool "AMD Alchemy DB1200 board" select SOC_AU1200 select DMA_NONCOHERENT select MIPS_DISABLE_OBSOLETE_IDE select SYS_SUPPORTS_LITTLE_ENDIAN config MIPS_MIRAGE bool "Mirage board" depends on SOC_AU1500 select DMA_NONCOHERENT config MIPS_XXS1500 bool "MyCable XXS1500 board" depends on SOC_AU1500 select DMA_NONCOHERENT config MIPS_MTX1 bool "4G Systems MTX-1 board" depends on SOC_AU1500 select HW_HAS_PCI select DMA_NONCOHERENT endchoice config SNI_RM200_PCI bool "Support for SNI RM200 PCI" select ARC select ARC32 select BOOT_ELF32 select DMA_NONCOHERENT select GENERIC_ISA_DMA select HAVE_STD_PC_SERIAL_PORT select HW_HAS_PCI select I8259 select ISA select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL help The SNI RM200 PCI was a MIPS-based platform 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 TOSHIBA_RBTX4927 bool "Support for Toshiba TBTX49[23]7 board" select DMA_NONCOHERENT select HAS_TXX9_SERIAL select HW_HAS_PCI select I8259 select ISA select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL help This Toshiba board is based on the TX4927 processor. Say Y here to support this machine type config TOSHIBA_FPCIB0 bool "FPCIB0 Backplane Support" depends on TOSHIBA_RBTX4927 source "arch/mips/sgi-ip27/Kconfig" source "arch/mips/sibyte/Kconfig" source "arch/mips/tx4938/Kconfig" source "arch/mips/philips/pnx8550/common/Kconfig" config RWSEM_GENERIC_SPINLOCK bool default y config RWSEM_XCHGADD_ALGORITHM bool select HAS_TXX9_SERIAL config GENERIC_CALIBRATE_DELAY bool default y # # Select some configuration options automatically based on user selections. # config ARC bool depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 default y config DMA_COHERENT bool config DMA_IP27 bool config DMA_IP32 bool select DMA_NEED_PCI_MAP_STATE config DMA_NONCOHERENT bool select DMA_NEED_PCI_MAP_STATE config DMA_NEED_PCI_MAP_STATE bool config EARLY_PRINTK bool depends on MACH_DECSTATION default y config GENERIC_ISA_DMA bool depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA default y config I8259 bool depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT default y config LIMITED_DMA bool select HIGHMEM config MIPS_BONITO64 bool depends on MIPS_ATLAS || MIPS_MALTA default y config MIPS_MSC bool depends on MIPS_ATLAS || MIPS_MALTA default y config MIPS_NILE4 bool depends on LASAT default y config MIPS_DISABLE_OBSOLETE_IDE bool config CPU_LITTLE_ENDIAN bool "Generate little endian code" default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927 help Some MIPS machines can be configured for either little or big endian byte order. These modes require different kernels. Say Y if your machine is little endian, N if it's a big endian machine. config IRQ_CPU bool config IRQ_CPU_RM7K bool config IRQ_MV64340 bool config DDB5XXX_COMMON bool depends on DDB5074 || DDB5476 || DDB5477 default y config MIPS_BOARDS_GEN bool depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD default y config MIPS_GT64111 bool depends on MIPS_COBALT default y config MIPS_GT64120 bool depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT default y config MIPS_TX3927 bool depends on TOSHIBA_JMR3927 select HAS_TXX9_SERIAL default y config PCI_MARVELL bool config ITE_BOARD_GEN bool depends on MIPS_IVR || MIPS_ITE8172 default y config PNX8550 bool select SOC_PNX8550 config SOC_PNX8550 bool select SYS_SUPPORTS_32BIT_KERNEL select DMA_NONCOHERENT select HW_HAS_PCI config SWAP_IO_SPACE bool # # Unfortunately not all GT64120 systems run the chip at the same clock. # As the user for the clock rate and try to minimize the available options. # choice prompt "Galileo Chip Clock" #default SYSCLK_83 if MIPS_EV64120 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G default SYSCLK_83 if MIPS_EV64120 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G config SYSCLK_75 bool "75" if MIPS_EV64120 config SYSCLK_83 bool "83.3" if MIPS_EV64120 config SYSCLK_100 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G endchoice config AU1X00_USB_DEVICE bool depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000 default n config MIPS_GT96100 bool depends on MIPS_EV96100 default y help Say Y here to support the Galileo Technology GT96100 communications controller card. There is a web page at . config IT8172_CIR bool depends on MIPS_ITE8172 || MIPS_IVR default y config IT8712 bool depends on MIPS_ITE8172 default y config BOOT_ELF32 bool depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI default y config MIPS_L1_CACHE_SHIFT int default "4" if MACH_DECSTATION default "7" if SGI_IP27 default "5" config ARC32 bool depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32 default y config HAVE_STD_PC_SERIAL_PORT bool config ARC_CONSOLE bool "ARC console support" depends on SGI_IP22 || SNI_RM200_PCI config ARC_MEMORY bool depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32 default y config ARC_PROMLIB bool depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32 default y config ARC64 bool depends on SGI_IP27 default y config BOOT_ELF64 bool depends on SGI_IP27 default y #config MAPPED_PCI_IO y # bool # depends on SGI_IP27 # default y config TOSHIBA_BOARDS bool depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 default y endmenu menu "CPU selection" choice prompt "CPU type" default CPU_R4X00 config CPU_MIPS32_R1 bool "MIPS32 Release 1" select CPU_SUPPORTS_32BIT_KERNEL select CPU_HAS_PREFETCH 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. 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" select CPU_SUPPORTS_32BIT_KERNEL select CPU_HAS_PREFETCH 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. config CPU_MIPS64_R1 bool "MIPS64 Release 1" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_HAS_PREFETCH 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" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_HAS_PREFETCH 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_R3000 bool "R3000" select CPU_SUPPORTS_32BIT_KERNEL 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" select CPU_SUPPORTS_32BIT_KERNEL config CPU_VR41XX bool "R41xx" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help The options selects support for the NEC VR41xx 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" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help MIPS Technologies R4300-series processors. config CPU_R4X00 bool "R4x00" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help MIPS Technologies R4000-series processors other than 4300, including the R4000, R4400, R4600, and 4700. config CPU_TX49XX bool "R49XX" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL config CPU_R5000 bool "R5000" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help MIPS Technologies R5000-series processors other than the Nevada. config CPU_R5432 bool "R5432" config CPU_R6000 bool "R6000" depends on EXPERIMENTAL select CPU_SUPPORTS_32BIT_KERNEL help MIPS Technologies R6000 and R6000A series processors. Note these processors are extremly rare and the support for them is incomplete. config CPU_NEVADA bool "RM52xx" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help QED / PMC-Sierra RM52xx-series ("Nevada") processors. config CPU_R8000 bool "R8000" depends on EXPERIMENTAL select CPU_SUPPORTS_64BIT_KERNEL help MIPS Technologies R8000 processors. Note these processors are uncommon and the support for them is incomplete. config CPU_R10000 bool "R10000" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help MIPS Technologies R10000-series processors. config CPU_RM7000 bool "RM7000" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL config CPU_RM9000 bool "RM9000" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL config CPU_SB1 bool "SB1" select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL endchoice choice prompt "Kernel page size" default PAGE_SIZE_4KB config PAGE_SIZE_4KB bool "4kB" 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 EXPERIMENTAL && CPU_R8000 help Using 8kB page size will result in higher performance kernel at the price of higher memory consumption. This option is available only on the R8000 processor. Not that at the time of this writing this option is still high experimental; there are also issues with compatibility of user applications. config PAGE_SIZE_16KB bool "16kB" depends on EXPERIMENTAL && !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 processor. Not that at the time of this writing this option is still high experimental; there are also issues with compatibility of user applications. config PAGE_SIZE_64KB bool "64kB" depends on EXPERIMENTAL && !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; there are also issues with compatibility of user applications. endchoice config BOARD_SCACHE bool config IP22_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 MIPS_MT bool "Enable MIPS MT" config MIPS_VPE_LOADER bool "VPE loader support." depends on MIPS_MT help Includes a loader for loading an elf relocatable object onto another VPE and running it. 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. # this should possibly be in drivers/char, but it is rather cpu related. Hmmm config MIPS_VPE_APSP_API bool "Enable support for AP/SP API (RTLX)" depends on MIPS_VPE_LOADER config SB1_PASS_1_WORKAROUNDS bool depends on CPU_SB1_PASS_1 default y 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 config 64BIT_PHYS_ADDR bool "Support for 64-bit physical address space" depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT config CPU_ADVANCED bool "Override CPU Options" depends on 32BIT help Saying yes here allows you to select support for various features your CPU may or may not have. Most people should say N here. config CPU_HAS_LLSC bool "ll/sc Instructions available" if CPU_ADVANCED default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX help MIPS R4000 series and later provide the Load Linked (ll) and Store Conditional (sc) instructions. More information is available at . Say Y here if your CPU has the ll and sc instructions. Say Y here for better performance, N if you don't know. You must say Y here for multiprocessor machines. config CPU_HAS_LLDSCD bool "lld/scd Instructions available" if CPU_ADVANCED default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1 help Say Y here if your CPU has the lld and scd instructions, the 64-bit equivalents of ll and sc. Say Y here for better performance, N if you don't know. You must say Y here for multiprocessor machines. config CPU_HAS_WB bool "Writeback Buffer available" if CPU_ADVANCED default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION help Say N here for slightly better performance. You must say Y here for machines which require flushing of write buffers in software. Saying Y is the safe option; N may result in kernel malfunction and crashes. menu "MIPSR2 Interrupt handling" depends on CPU_MIPSR2 && CPU_ADVANCED config CPU_MIPSR2_IRQ_VI bool "Vectored interrupt mode" help Vectored interrupt mode allowing faster dispatching of interrupts. The board support code needs to be written to take advantage of this mode. Compatibility code is included to allow the kernel to run on a CPU that does not support vectored interrupts. It's safe to say Y here. config CPU_MIPSR2_IRQ_EI bool "External interrupt controller mode" help Extended interrupt mode takes advantage of an external interrupt controller to allow fast dispatching from many possible interrupt sources. Say N unless you know that external interrupt support is required. config CPU_MIPSR2_SRS bool "Make shadow set registers available for interrupt handlers" depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI help Allow the kernel to use shadow register sets for fast interrupts. Interrupt handlers must be specially written to use shadow sets. Say N unless you know that shadow register set upport is needed. endmenu config CPU_HAS_SYNC bool depends on !CPU_R3000 default y # # - 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 should not offer highmem for system of which we already know that they # don't have memory configurations that could gain from highmem support in # the kernel because they don't support configurations with RAM at physical # addresses > 0x20000000. # config HIGHMEM bool "High Memory Support" depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX) config ARCH_FLATMEM_ENABLE def_bool y depends on !NUMA source "mm/Kconfig" config SMP bool "Multi-Processing support" depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27 ---help--- This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If you have a system with more than one CPU, say Y. If you say N here, the kernel will run on single 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, singleprocessor machines. On a singleprocessor 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 and the SMP-HOWTO available at . If you don't know what to do here, say N. config NR_CPUS int "Maximum number of CPUs (2-64)" range 2 64 depends on SMP default "64" if SGI_IP27 default "2" 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 2. This is purely to save memory - each supported CPU adds approximately eight kilobytes to the kernel image. 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 help MIPS R10000 does support a 44 bit / 16TB address space as opposed to previous 64-bit processors which only supported 40 bit / 1TB. If you need processes of more than 1TB virtual address space, say Y here. This will result in additional memory usage, so it is not recommended for normal users. config RWSEM_GENERIC_SPINLOCK bool default y endmenu menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" config HW_HAS_PCI bool config PCI bool "Support for PCI controller" depends on HW_HAS_PCI 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. The PCI-HOWTO, available from , contains valuable information about which PCI hardware does work under Linux and which doesn't. config PCI_DOMAINS bool depends on PCI source "drivers/pci/Kconfig" # # 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 EISA bool "EISA support" depends on SGI_IP22 || SNI_RM200_PCI select ISA ---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 help TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS processors. Documentation on writing device drivers for TurboChannel is available at: . #config ACCESSBUS # bool "Access.Bus support" # depends on TC config MMU bool default y config MCA bool config SBUS bool source "drivers/pcmcia/Kconfig" source "drivers/pci/hotplug/Kconfig" endmenu menu "Executable file formats" source "fs/Kconfig.binfmt" config TRAD_SIGNALS bool default y if 32BIT config BUILD_ELF64 bool "Use 64-bit ELF format for building" depends on 64BIT help A 64-bit kernel is usually built using the 64-bit ELF binary object format as it's one that allows arbitrary 64-bit constructs. For kernels that are loaded within the KSEG compatibility segments the 32-bit ELF format can optionally be used resulting in a somewhat smaller binary, but this option is not explicitly supported by the toolchain and since binutils 2.14 it does not even work at all. Say Y to use the 64-bit format or N to use the 32-bit one. If unsure say Y. config BINFMT_IRIX bool "Include IRIX binary compatibility" depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN config MIPS32_COMPAT bool "Kernel support for Linux/MIPS 32-bit binary compatibility" depends on 64BIT help Select this option if you want Linux/MIPS 32-bit binary compatibility. Since all software available for Linux/MIPS is currently 32-bit you should say Y here. config COMPAT bool depends on MIPS32_COMPAT default y config MIPS32_O32 bool "Kernel support for o32 binaries" depends on MIPS32_COMPAT help Select this option if you want to run o32 binaries. These are pure 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of existing binaries are in this format. If unsure, say Y. config MIPS32_N32 bool "Kernel support for n32 binaries" depends on MIPS32_COMPAT help Select this option if you want to run n32 binaries. These are 64-bit binaries using 32-bit quantities for addressing and certain data that would normally be 64-bit. They are used in special cases. If unsure, say N. config 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. If unsure, say Y. Only embedded should say N here. config PM bool "Power Management support (EXPERIMENTAL)" depends on EXPERIMENTAL && MACH_AU1X00 endmenu source "net/Kconfig" source "drivers/Kconfig" source "fs/Kconfig" source "arch/mips/Kconfig.debug" source "security/Kconfig" source "crypto/Kconfig" source "lib/Kconfig" # # Use the generic interrupt handling code in kernel/irq/: # config GENERIC_HARDIRQS bool default y config GENERIC_IRQ_PROBE bool default y config ISA_DMA_API bool default y