Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-pxa/include/mach/timex.h |
| 3 | * |
| 4 | * Author: Nicolas Pitre |
| 5 | * Created: Jun 15, 2001 |
| 6 | * Copyright: MontaVista Software Inc. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
Eric Miao | 6769717 | 2008-12-18 11:10:32 +0800 | [diff] [blame] | 13 | /* Various drivers are still using the constant of CLOCK_TICK_RATE, for |
| 14 | * those drivers to at least work, the definition is provided here. |
| 15 | * |
| 16 | * NOTE: this is no longer accurate when multiple processors and boards |
| 17 | * are selected, newer drivers should not depend on this any more. Use |
| 18 | * either the clocksource/clockevent or get this at run-time by calling |
| 19 | * get_clock_tick_rate() (as defined in generic.c). |
| 20 | */ |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 21 | |
| 22 | #if defined(CONFIG_PXA25x) |
| 23 | /* PXA250/210 timer base */ |
| 24 | #define CLOCK_TICK_RATE 3686400 |
| 25 | #elif defined(CONFIG_PXA27x) |
| 26 | /* PXA27x timer base */ |
| 27 | #ifdef CONFIG_MACH_MAINSTONE |
| 28 | #define CLOCK_TICK_RATE 3249600 |
| 29 | #else |
| 30 | #define CLOCK_TICK_RATE 3250000 |
| 31 | #endif |
| 32 | #else |
| 33 | #define CLOCK_TICK_RATE 3250000 |
| 34 | #endif |