diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 79 |
1 files changed, 36 insertions, 43 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ee8a9ad7bbd9..4bf0e8737e1f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -157,7 +157,7 @@ config ARCH_RPC config ARCH_SA1100 bool "SA1100-based" select ISA - select DISCONTIGMEM + select ARCH_DISCONTIGMEM_ENABLE config ARCH_S3C2410 bool "Samsung S3C2410" @@ -223,7 +223,9 @@ 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-s3c2410/Kconfig" @@ -308,7 +310,7 @@ menu "Kernel Features" config SMP bool "Symmetric Multi-Processing (EXPERIMENTAL)" - depends on EXPERIMENTAL #&& n + depends on EXPERIMENTAL && BROKEN #&& n 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 @@ -346,7 +348,27 @@ 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 platform is known to have accurate + timekeeping with dynamic tick. + +config ARCH_DISCONTIGMEM_ENABLE bool default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM) help @@ -355,6 +377,8 @@ config DISCONTIGMEM or have huge holes in the physical address space for other reasons. See <file:Documentation/vm/numa> for more. +source "mm/Kconfig" + config LEDS bool "Timer and CPU usage LEDs" depends on ARCH_CDB89712 || ARCH_CO285 || ARCH_EBSA110 || \ @@ -492,7 +516,7 @@ config XIP_PHYS_ADDR endmenu -if (ARCH_SA1100 || ARCH_INTEGRATOR) +if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP1) menu "CPU Frequency scaling" @@ -611,10 +635,6 @@ config PM and the Battery Powered Linux mini-HOWTO, available from <http://www.tldp.org/docs.html#howto>. - 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. - config APM tristate "Advanced Power Management Emulation" depends on PM @@ -626,12 +646,6 @@ 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 <file:Documentation/pm.txt> and the Battery Powered Linux mini-HOWTO, available from @@ -641,41 +655,16 @@ 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 <http://www.bitwizard.nl/sig11/> - 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" @@ -708,7 +697,7 @@ source "drivers/ieee1394/Kconfig" source "drivers/message/i2o/Kconfig" -source "net/Kconfig" +source "drivers/net/Kconfig" source "drivers/isdn/Kconfig" @@ -720,10 +709,14 @@ source "drivers/char/Kconfig" source "drivers/i2c/Kconfig" +source "drivers/hwmon/Kconfig" + #source "drivers/l3/Kconfig" source "drivers/misc/Kconfig" +source "drivers/mfd/Kconfig" + source "drivers/media/Kconfig" source "drivers/video/Kconfig" |