X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2FKconfig;h=4c43ee0d9a83d1a0faf5664b4b9ada54cc22b9d7;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=c78bb3f13971d95601ffcb4ecd09832ce42f0cac;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c78bb3f13..4c43ee0d9 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -8,11 +8,12 @@ mainmenu "Linux Kernel Configuration" config ARM bool default y + select RTC_LIB help The ARM series is a line of low-power-consumption RISC chip designs - licensed by ARM ltd and targeted at embedded applications and + licensed by ARM Ltd and targeted at embedded applications and handhelds such as the Compaq IPAQ. ARM-based PCs are no longer - manufactured, but legacy ARM-based PC hardware remains popular in + manufactured, but legacy ARM-based PC hardware remains popular in Europe. There is an ARM Linux project with a web page at . @@ -46,10 +47,6 @@ config MCA (and especially the web page given there) before attempting to build an MCA bus kernel. -config UID16 - bool - default y - config RWSEM_GENERIC_SPINLOCK bool default y @@ -57,6 +54,10 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM bool +config GENERIC_HWEIGHT + bool + default y + config GENERIC_CALIBRATE_DELAY bool default y @@ -64,74 +65,105 @@ config GENERIC_CALIBRATE_DELAY config GENERIC_BUST_SPINLOCK bool -config GENERIC_ISA_DMA +config ARCH_MAY_HAVE_PC_FDC bool -config GENERIC_IOMAP +config GENERIC_ISA_DMA bool - default y config FIQ bool +config ARCH_MTD_XIP + bool + +config VECTORS_BASE + hex + default 0xffff0000 if MMU + default DRAM_BASE if REMAP_VECTORS_TO_RAM + default 0x00000000 + help + The base address of exception vectors. + source "init/Kconfig" menu "System Type" choice prompt "ARM system type" - default ARCH_RPC + default ARCH_VERSATILE config ARCH_CLPS7500 bool "Cirrus-CL-PS7500FE" select TIMER_ACORN select ISA + help + Support for the Cirrus Logic PS7500FE system-on-a-chip. config ARCH_CLPS711X bool "CLPS711x/EP721x-based" + help + Support for Cirrus Logic 711x/721x based boards. config ARCH_CO285 bool "Co-EBSA285" select FOOTBRIDGE select FOOTBRIDGE_ADDIN + help + Support for Intel's EBSA285 companion chip. config ARCH_EBSA110 bool "EBSA-110" select ISA help This is an evaluation board for the StrongARM processor available - from Digital. It has limited hardware on-board, including an onboard + from Digital. It has limited hardware on-board, including an Ethernet interface, two PCMCIA sockets, two serial ports and a parallel port. -config ARCH_CAMELOT - bool "Epxa10db" +config ARCH_EP93XX + bool "EP93xx-based" + select ARM_AMBA + select ARM_VIC help - This enables support for Altera's Excalibur XA10 development board. - If you would like to build your kernel to run on one of these boards - then you must say 'Y' here. Otherwise say 'N' + This enables support for the Cirrus EP93xx series of CPUs. config ARCH_FOOTBRIDGE bool "FootBridge" select FOOTBRIDGE + help + Support for systems based on the DC21285 companion chip + ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. config ARCH_INTEGRATOR bool "Integrator" select ARM_AMBA select ICST525 + help + Support for ARM's Integrator platform. config ARCH_IOP3XX bool "IOP3xx-based" select PCI + help + Support for Intel's IOP3XX (XScale) family of processors. config ARCH_IXP4XX bool "IXP4xx-based" - select DMABOUNCE - select PCI + help + Support for Intel's IXP4XX (XScale) family of processors. config ARCH_IXP2000 bool "IXP2400/2800-based" select PCI + help + Support for Intel's IXP2400/2800 (XScale) family of processors. + +config ARCH_IXP23XX + bool "IXP23XX-based" + select PCI + help + Support for Intel's IXP23xx (XScale) family of processors. config ARCH_L7200 bool "LinkUp-L7200" @@ -148,12 +180,17 @@ config ARCH_L7200 config ARCH_PXA bool "PXA2xx-based" + select ARCH_MTD_XIP + help + Support for Intel's PXA2XX processor line. config ARCH_RPC bool "RiscPC" select ARCH_ACORN select FIQ select TIMER_ACORN + select ARCH_MAY_HAVE_PC_FDC + select ISA_DMA_API help On the Acorn Risc-PC, Linux can support the internal IDE disk and CD-ROM interface, serial and parallel port, and the floppy drive. @@ -161,20 +198,26 @@ config ARCH_RPC config ARCH_SA1100 bool "SA1100-based" select ISA - select DISCONTIGMEM + select ARCH_DISCONTIGMEM_ENABLE + select ARCH_MTD_XIP + help + Support for StrongARM 11x0 based boards. config ARCH_S3C2410 bool "Samsung S3C2410" help Samsung S3C2410X CPU based systems, such as the Simtec Electronics BAST (), the IPAQ 1940 or - the Samsung SMDK2410 development board (and derviatives). + the Samsung SMDK2410 development board (and derivatives). config ARCH_SHARK bool "Shark" select ISA select ISA_DMA select PCI + help + Support for the StrongARM based Digital DNARD machine, also known + as "Shark" (). config ARCH_LH7A40X bool "Sharp LH7A40X" @@ -186,27 +229,52 @@ config ARCH_LH7A40X config ARCH_OMAP bool "TI OMAP" + help + Support for TI's OMAP platform (OMAP1 and OMAP2). config ARCH_VERSATILE bool "Versatile" select ARM_AMBA + select ARM_VIC select ICST307 help This enables support for ARM Ltd Versatile board. +config ARCH_REALVIEW + bool "RealView" + select ARM_AMBA + select ICST307 + help + This enables support for ARM Ltd RealView boards. + config ARCH_IMX bool "IMX" + help + Support for Motorola's i.MX family of processors (MX1, MXL). config ARCH_H720X bool "Hynix-HMS720x-based" + select ISA_DMA_API help This enables support for systems based on the Hynix HMS720x +config ARCH_AAEC2000 + bool "Agilent AAEC-2000 based" + select ARM_AMBA + help + This enables support for systems based on the Agilent AAEC-2000 + +config ARCH_AT91RM9200 + bool "AT91RM9200" + help + Say Y here if you intend to run this kernel on an Atmel + AT91RM9200-based board. + endchoice source "arch/arm/mach-clps711x/Kconfig" -source "arch/arm/mach-epxa10db/Kconfig" +source "arch/arm/mach-ep93xx/Kconfig" source "arch/arm/mach-footbridge/Kconfig" @@ -218,11 +286,17 @@ source "arch/arm/mach-ixp4xx/Kconfig" source "arch/arm/mach-ixp2000/Kconfig" +source "arch/arm/mach-ixp23xx/Kconfig" + source "arch/arm/mach-pxa/Kconfig" source "arch/arm/mach-sa1100/Kconfig" -source "arch/arm/mach-omap/Kconfig" +source "arch/arm/plat-omap/Kconfig" + +source "arch/arm/mach-omap1/Kconfig" + +source "arch/arm/mach-omap2/Kconfig" source "arch/arm/mach-s3c2410/Kconfig" @@ -234,6 +308,12 @@ source "arch/arm/mach-h720x/Kconfig" source "arch/arm/mach-versatile/Kconfig" +source "arch/arm/mach-aaec2000/Kconfig" + +source "arch/arm/mach-realview/Kconfig" + +source "arch/arm/mach-at91rm9200/Kconfig" + # Definitions to make life easier config ARCH_ACORN bool @@ -269,15 +349,17 @@ config ISA (MCA) or VESA. ISA is an older system, now being displaced by PCI; newer boards don't support it. If you have ISA, say Y, otherwise N. +# Select ISA DMA controller support config ISA_DMA bool + select ISA_DMA_API +# Select ISA DMA interface config ISA_DMA_API bool - default y config PCI - bool "PCI support" if ARCH_INTEGRATOR_AP + bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB 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 @@ -305,7 +387,7 @@ menu "Kernel Features" config SMP bool "Symmetric Multi-Processing (EXPERIMENTAL)" - depends on EXPERIMENTAL #&& n + depends on EXPERIMENTAL && REALVIEW_MPCORE 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 @@ -317,8 +399,8 @@ config SMP processor machines. On a single processor machine, the kernel will run faster if you say N here. - See also the , - , , + See also the , + , and the SMP-HOWTO available at . @@ -330,6 +412,23 @@ config NR_CPUS depends on SMP default "4" +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" + depends on SMP && HOTPLUG && EXPERIMENTAL + help + Say Y here to experiment with turning CPUs off and on. CPUs + can be controlled through /sys/devices/system/cpu. + +config LOCAL_TIMERS + bool "Use local timer interrupts" + depends on SMP && REALVIEW_MPCORE + default y + help + Enable support for local timers on SMP platforms, rather then the + legacy IPI broadcast method. Local timers allows the system + accounting to be spread across the timer interval, preventing a + "thundering herd" at every timer tick. + config PREEMPT bool "Preemptible Kernel (EXPERIMENTAL)" depends on EXPERIMENTAL @@ -343,7 +442,66 @@ config PREEMPT Say Y here if you are building a kernel for a desktop, embedded or real-time system. Say N if you are unsure. -config DISCONTIGMEM +config NO_IDLE_HZ + bool "Dynamic tick timer" + help + Select this option if you want to disable continuous timer ticks + and have them programmed to occur as required. This option saves + power as the system can remain in idle state for longer. + + By default dynamic tick is disabled during the boot, and can be + manually enabled with: + + echo 1 > /sys/devices/system/timer/timer0/dyn_tick + + Alternatively, if you want dynamic tick automatically enabled + during boot, pass "dyntick=enable" via the kernel command string. + + Please note that dynamic tick may affect the accuracy of + timekeeping on some platforms depending on the implementation. + Currently at least OMAP, PXA2xx and SA11x0 platforms are known + to have accurate timekeeping with dynamic tick. + +config HZ + int + default 128 if ARCH_L7200 + default 200 if ARCH_EBSA110 || ARCH_S3C2410 + default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER + default 100 + +config AEABI + bool "Use the ARM EABI to compile the kernel" + help + This option allows for the kernel to be compiled using the latest + ARM ABI (aka EABI). This is only useful if you are using a user + space environment that is also compiled with EABI. + + Since there are major incompatibilities between the legacy ABI and + EABI, especially with regard to structure member alignment, this + option also changes the kernel syscall calling convention to + disambiguate both ABIs and allow for backward compatibility support + (selected with CONFIG_OABI_COMPAT). + + To use this you need GCC version 4.0.0 or later. + +config OABI_COMPAT + bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" + depends on AEABI && EXPERIMENTAL + default y + help + This option preserves the old syscall interface along with the + new (ARM EABI) one. It also provides a compatibility layer to + intercept syscalls that have structure arguments which layout + in memory differs between the legacy ABI and the new ARM EABI + (only for non "thumb" binaries). This option adds a tiny + overhead to all syscalls and produces a slightly larger kernel. + If you know you'll be using only pure EABI user space then you + can say N here. If this option is not selected and you attempt + to execute a legacy ABI binary then the result will be + UNPREDICTABLE (in fact it can be predicted that it won't work + at all). If in doubt say Y. + +config ARCH_DISCONTIGMEM_ENABLE bool default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM) help @@ -352,13 +510,22 @@ config DISCONTIGMEM or have huge holes in the physical address space for other reasons. See for more. +config NODES_SHIFT + int + default "4" if ARCH_LH7A40X + default "2" + depends on NEED_MULTIPLE_NODES + +source "mm/Kconfig" + config LEDS bool "Timer and CPU usage LEDs" depends on ARCH_CDB89712 || ARCH_CO285 || ARCH_EBSA110 || \ ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \ ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \ ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \ - ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE + ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \ + ARCH_AT91RM9200 help If you say Y here, the LEDs on your machine will be used to provide useful information about your current system status. @@ -489,7 +656,7 @@ config XIP_PHYS_ADDR endmenu -if (ARCH_SA1100 || ARCH_INTEGRATOR) +if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP1) menu "CPU Frequency scaling" @@ -526,6 +693,7 @@ comment "At least one emulation must be selected" config FPE_NWFPE bool "NWFPE math emulation" + depends on !AEABI || OABI_COMPAT ---help--- Say Y to include the NWFPE floating point emulator in the kernel. This is necessary to run most binaries. Linux does not currently @@ -537,7 +705,7 @@ config FPE_NWFPE config FPE_NWFPE_XP bool "Support extended precision" - depends on FPE_NWFPE && !CPU_BIG_ENDIAN + depends on FPE_NWFPE help Say Y to include 80-bit support in the kernel floating-point emulator. Otherwise, only 32 and 64-bit support is compiled in. @@ -549,7 +717,7 @@ config FPE_NWFPE_XP config FPE_FASTFPE bool "FastFPE math emulation (EXPERIMENTAL)" - depends on !CPU_32v3 && EXPERIMENTAL + depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL ---help--- Say Y here to include the FAST floating point emulator in the kernel. This is an experimental much faster emulator which now also has full @@ -581,6 +749,7 @@ source "fs/Kconfig.binfmt" config ARTHUR tristate "RISC OS personality" + depends on !AEABI help Say Y here to include the kernel code necessary if you want to run Acorn RISC OS/Arthur binaries under Linux. This code is still very @@ -592,29 +761,10 @@ endmenu menu "Power management options" -config PM - bool "Power Management support" - ---help--- - "Power Management" means that parts of your computer are shut - off or put into a power conserving "sleep" mode if they are not - being used. There are two competing standards for doing this: APM - and ACPI. If you want to use either one, say Y here and then also - to the requisite support below. - - Power Management is most important for battery powered laptop - computers; if you have a laptop, check out the Linux Laptop home - page on the WWW at or - Tuxmobil - Linux on Mobile Computers at - and the Battery Powered Linux mini-HOWTO, available from - . - - Note that, even if you say N here, Linux on the x86 architecture - will issue the hlt instruction if nothing is to be done, thereby - sending the processor to sleep and saving power. +source "kernel/power/Kconfig" 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 laptops with @@ -623,12 +773,6 @@ config APM battery status information, and user-space programs will receive notification of APM "events" (e.g. battery status change). - If you select "Y" here, you can disable actual use of the APM - BIOS by passing the "apm=off" option to the kernel at boot time. - - Note that the APM support is almost completely disabled for - machines with more than one CPU. - 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 @@ -638,45 +782,22 @@ config APM manpage ("man 8 hdparm") for that), and it doesn't turn off VESA-compliant "green" monitors. - This driver does not support the TI 4000M TravelMate and the ACER - 486/DX4/75 because they don't have compliant BIOSes. Many "green" - desktop machines also don't have compliant BIOSes, and this driver - may cause those machines to panic during the boot phase. - 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). - Some other things you should try when experiencing seemingly random, - "weird" problems: - - 1) make sure that you have enough swap space and that it is - enabled. - 2) pass the "no-hlt" option to the kernel - 3) switch on floating point emulation in the kernel and pass - the "no387" option to the kernel - 4) pass the "floppy=nodma" option to the kernel - 5) pass the "mem=4M" option to the kernel (thereby disabling - all but the first 4 MB of RAM) - 6) make sure that the CPU is not over clocked. - 7) read the sig11 FAQ at - 8) disable the cache from your BIOS settings - 9) install a fan for the video card or exchange video RAM - 10) install a better fan for the CPU - 11) exchange RAM chips - 12) exchange the motherboard. - - To compile this driver as a module, choose M here: the - module will be called apm. - endmenu +source "net/Kconfig" + menu "Device Drivers" source "drivers/base/Kconfig" +source "drivers/connector/Kconfig" + if ALIGNMENT_TRAP source "drivers/mtd/Kconfig" endif @@ -691,7 +812,8 @@ source "drivers/acorn/block/Kconfig" if PCMCIA || ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX \ || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \ - || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE + || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \ + || ARCH_IXP23XX source "drivers/ide/Kconfig" endif @@ -705,7 +827,7 @@ source "drivers/ieee1394/Kconfig" source "drivers/message/i2o/Kconfig" -source "net/Kconfig" +source "drivers/net/Kconfig" source "drivers/isdn/Kconfig" @@ -717,10 +839,20 @@ source "drivers/char/Kconfig" source "drivers/i2c/Kconfig" +source "drivers/spi/Kconfig" + +source "drivers/w1/Kconfig" + +source "drivers/hwmon/Kconfig" + #source "drivers/l3/Kconfig" source "drivers/misc/Kconfig" +source "drivers/mfd/Kconfig" + +source "drivers/leds/Kconfig" + source "drivers/media/Kconfig" source "drivers/video/Kconfig" @@ -731,6 +863,8 @@ source "drivers/usb/Kconfig" source "drivers/mmc/Kconfig" +source "drivers/rtc/Kconfig" + endmenu source "fs/Kconfig"