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authorKrzysztof Hałasa <khc@pm.waw.pl>2009-05-21 15:13:12 -0400
committerKrzysztof Hałasa <khc@pm.waw.pl>2009-12-05 10:58:37 -0500
commit6e30de84ab7c34eaaed13985b501a4fcb5d15c8b (patch)
tree2c32cbe995a59f8c2e524653b9bfba04f42b972d /arch/arm/mach-ixp4xx
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
IXP4xx: change the timer base frequency to 66.666000 MHz.
Clock generators used by IXP4xx processors are usually 33.333 MHz, sometimes 33.33 MHz and few platforms use 33 MHz. The timers tick twice as fast, that means 66.666, 66.66 or 66 MHz. Current 66.666666 MHz means 10 ppm offset from the usual 66.666 MHz. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Diffstat (limited to 'arch/arm/mach-ixp4xx')
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/timex.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/timex.h b/arch/arm/mach-ixp4xx/include/mach/timex.h
index 89ce3ee84698..2c3f93c3eb79 100644
--- a/arch/arm/mach-ixp4xx/include/mach/timex.h
+++ b/arch/arm/mach-ixp4xx/include/mach/timex.h
@@ -10,6 +10,6 @@
10 * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the 10 * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the
11 * timer register ignores the bottom 2 bits of the LATCH value. 11 * timer register ignores the bottom 2 bits of the LATCH value.
12 */ 12 */
13#define FREQ 66666666 13#define FREQ 66666000
14#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) 14#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
15 15