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| author | Andres Salomon <dilinger@queued.net> | 2007-10-12 23:04:06 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-12 23:04:06 +0200 |
| commit | 8f36881b3c972ebc019195692849f22488f9c0a3 (patch) | |
| tree | dd14aeb1fdb6f516f154a276d21f82c58d5e35b3 /arch/i386 | |
| parent | x86: Geode Multi-Function General Purpose Timers support (diff) | |
| download | linux-8f36881b3c972ebc019195692849f22488f9c0a3.tar.xz linux-8f36881b3c972ebc019195692849f22488f9c0a3.zip | |
x86: Geode MFGPT clock event device support
Add support for an MFGPT clock event device; this allows us to use MFGPTs as
the basis for high-resolution timers.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Andres Salomon <dilinger@debian.org>
Cc: Andi Kleen <ak@suse.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 2d85e4b87307..6bbbc2755e44 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -1206,6 +1206,16 @@ config SCx200HR_TIMER processor goes idle (as is done by the scheduler). The other workaround is idle=poll boot option. +config GEODE_MFGPT_TIMER + bool "Geode Multi-Function General Purpose Timer (MFGPT) events" + depends on MGEODE_LX && GENERIC_TIME && GENERIC_CLOCKEVENTS + default y + help + This driver provides a clock event source based on the MFGPT + timer(s) in the CS5535 and CS5536 companion chip for the geode. + MFGPTs have a better resolution and max interval than the + generic PIT, and are suitable for use as high-res timers. + config K8_NB def_bool y depends on AGP_AMD64 |