diff options
| author | Jim Cromie <jim.cromie@gmail.com> | 2006-06-26 00:25:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 09:58:21 -0700 |
| commit | 6ae7440e6b7a46f4c119c60580aa9384c1b463f7 (patch) | |
| tree | d288e15b56c8eebf02b25ea92e3678d9f2c0fee4 /arch/i386 | |
| parent | 19923c190e0932bf0ac1e1d06a48f5c3678dd0de (diff) | |
[PATCH] GTOD: add scx200 HRT clocksource
Add a GTOD clocksource driver based on the Geode SCx200's Hi-Res Timer.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/Kconfig | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index db1f8b40606..374fb50608a 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -1050,13 +1050,23 @@ config SCx200 tristate "NatSemi SCx200 support" depends on !X86_VOYAGER help - This provides basic support for the National Semiconductor SCx200 - processor. Right now this is just a driver for the GPIO pins. + This provides basic support for National Semiconductor's + (now AMD's) Geode processors. The driver probes for the + PCI-IDs of several on-chip devices, so its a good dependency + for other scx200_* drivers. - If you don't know what to do here, say N. + If compiled as a module, the driver is named scx200. - This support is also available as a module. If compiled as a - module, it will be called scx200. +config SCx200HR_TIMER + tristate "NatSemi SCx200 27MHz High-Resolution Timer Support" + depends on SCx200 && GENERIC_TIME + default y + help + This driver provides a clocksource built upon the on-chip + 27MHz high-resolution timer. Its also a workaround for + NSC Geode SC-1100's buggy TSC, which loses time when the + processor goes idle (as is done by the scheduler). The + other workaround is idle=poll boot option. source "drivers/pcmcia/Kconfig" |