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| author | Oskar Schirmer <os@emlix.com> | 2009-05-11 15:43:36 +0200 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2009-05-11 22:00:17 -0700 |
| commit | b070a03f6490b0ac8d95c51b55a64e433d9160ab (patch) | |
| tree | 4715316e494f17980504ee2902a14e1a7d495d05 /arch/xtensa/Kconfig | |
| parent | d15f05eb8cc4ad59699c16b8ae834b85c6d39bfe (diff) | |
| download | lwn-b070a03f6490b0ac8d95c51b55a64e433d9160ab.tar.gz lwn-b070a03f6490b0ac8d95c51b55a64e433d9160ab.zip | |
xtensa: implement ccount calibration for s6000
Calculate core frequency from timers at boot time
instead of assuming a fixed frequency. This is
useful as the true frequency is set up by the
boot loader, thus variable.
Signed-off-by: Oskar Schirmer <os@emlix.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 30d21a9e2ef5..ebe228d02b08 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -80,6 +80,7 @@ config XTENSA_VARIANT_S6000 bool "s6000 - Stretch software configurable processor" select VARIANT_IRQ_SWITCH select ARCH_REQUIRE_GPIOLIB + select XTENSA_CALIBRATE_CCOUNT endchoice config XTENSA_UNALIGNED_USER |