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/*
* arch/arm/mach-realview/include/mach/timex.h
*
* RealView architecture timex specifications
*
* Copyright (C) 2003 ARM Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define CLOCK_TICK_RATE (50000000 / 16)
#if defined(CONFIG_MACH_REALVIEW_PB11MP) || defined(CONFIG_MACH_REALVIEW_PB1176)
static inline unsigned long realview_get_arm11_cp15_ccnt(void)
{
unsigned long cycles;
/* Read CP15 CCNT register. */
asm volatile ("mrc p15, 0, %0, c15, c12, 1" : "=r" (cycles));
return cycles;
}
#define get_cycles realview_get_arm11_cp15_ccnt
#elif defined(CONFIG_MACH_REALVIEW_PBA8)
static inline unsigned long realview_get_a8_cp15_ccnt(void)
{
unsigned long cycles;
/* Read CP15 CCNT register. */
asm volatile ("mrc p15, 0, %0, c9, c13, 0" : "=r" (cycles));
return cycles;
}
#define get_cycles realview_get_a8_cp15_ccnt
#endif
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