arch/arm/mach-at91/include/mach/timex.h

   1 /*
   2  * arch/arm/mach-at91/include/mach/timex.h
   3  *
   4  *  Copyright (C) 2003 SAN People
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __ASM_ARCH_TIMEX_H
  22 #define __ASM_ARCH_TIMEX_H
  23
  24 #include <mach/hardware.h>
  25
  26 #if defined(CONFIG_ARCH_AT91RM9200)
  27
  28 #define CLOCK_TICK_RATE         (AT91_SLOW_CLOCK)
  29
  30 #elif defined(CONFIG_ARCH_AT91SAM9260)
  31
  32 #if defined(CONFIG_MACH_USB_A9260) || defined(CONFIG_MACH_QIL_A9260)
  33 #define AT91SAM9_MASTER_CLOCK   90000000
  34 #else
  35 #define AT91SAM9_MASTER_CLOCK   99300000
  36 #endif
  37
  38 #define CLOCK_TICK_RATE         (AT91SAM9_MASTER_CLOCK/16)
  39
  40 #elif defined(CONFIG_ARCH_AT91SAM9261)
  41
  42 #define AT91SAM9_MASTER_CLOCK   99300000
  43 #define CLOCK_TICK_RATE         (AT91SAM9_MASTER_CLOCK/16)
  44
  45 #elif defined(CONFIG_ARCH_AT91SAM9263)
  46
  47 #if defined(CONFIG_MACH_USB_A9263)
  48 #define AT91SAM9_MASTER_CLOCK   90000000
  49 #else
  50 #define AT91SAM9_MASTER_CLOCK   99959500
  51 #endif
  52
  53 #define CLOCK_TICK_RATE         (AT91SAM9_MASTER_CLOCK/16)
  54
  55 #elif defined(CONFIG_ARCH_AT91SAM9RL)
  56
  57 #define AT91SAM9_MASTER_CLOCK   100000000
  58 #define CLOCK_TICK_RATE         (AT91SAM9_MASTER_CLOCK/16)
  59
  60 #elif defined(CONFIG_ARCH_AT91SAM9G20)
  61
  62 #define AT91SAM9_MASTER_CLOCK   132096000
  63 #define CLOCK_TICK_RATE         (AT91SAM9_MASTER_CLOCK/16)
  64
  65 #elif defined(CONFIG_ARCH_AT91CAP9)
  66
  67 #define AT91CAP9_MASTER_CLOCK   100000000
  68 #define CLOCK_TICK_RATE         (AT91CAP9_MASTER_CLOCK/16)
  69
  70 #elif defined(CONFIG_ARCH_AT91X40)
  71
  72 #define AT91X40_MASTER_CLOCK    40000000
  73 #define CLOCK_TICK_RATE         (AT91X40_MASTER_CLOCK)
  74
  75 #endif
  76
  77 #endif