diff options
author | Jim Cromie <jim.cromie@gmail.com> | 2006-06-26 03:25:19 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 12:58:21 -0400 |
commit | 6ae7440e6b7a46f4c119c60580aa9384c1b463f7 (patch) | |
tree | d288e15b56c8eebf02b25ea92e3678d9f2c0fee4 /arch | |
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')
-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 db1f8b406063..374fb50608a0 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig | |||
@@ -1050,13 +1050,23 @@ config SCx200 | |||
1050 | tristate "NatSemi SCx200 support" | 1050 | tristate "NatSemi SCx200 support" |
1051 | depends on !X86_VOYAGER | 1051 | depends on !X86_VOYAGER |
1052 | help | 1052 | help |
1053 | This provides basic support for the National Semiconductor SCx200 | 1053 | This provides basic support for National Semiconductor's |
1054 | processor. Right now this is just a driver for the GPIO pins. | 1054 | (now AMD's) Geode processors. The driver probes for the |
1055 | PCI-IDs of several on-chip devices, so its a good dependency | ||
1056 | for other scx200_* drivers. | ||
1055 | 1057 | ||
1056 | If you don't know what to do here, say N. | 1058 | If compiled as a module, the driver is named scx200. |
1057 | 1059 | ||
1058 | This support is also available as a module. If compiled as a | 1060 | config SCx200HR_TIMER |
1059 | module, it will be called scx200. | 1061 | tristate "NatSemi SCx200 27MHz High-Resolution Timer Support" |
1062 | depends on SCx200 && GENERIC_TIME | ||
1063 | default y | ||
1064 | help | ||
1065 | This driver provides a clocksource built upon the on-chip | ||
1066 | 27MHz high-resolution timer. Its also a workaround for | ||
1067 | NSC Geode SC-1100's buggy TSC, which loses time when the | ||
1068 | processor goes idle (as is done by the scheduler). The | ||
1069 | other workaround is idle=poll boot option. | ||
1060 | 1070 | ||
1061 | source "drivers/pcmcia/Kconfig" | 1071 | source "drivers/pcmcia/Kconfig" |
1062 | 1072 | ||