summaryrefslogtreecommitdiff
path: root/cpu/pxa/timer.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/pxa/timer.c')
-rw-r--r--cpu/pxa/timer.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/cpu/pxa/timer.c b/cpu/pxa/timer.c
deleted file mode 100644
index 8d0f826..0000000
--- a/cpu/pxa/timer.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#include <common.h>
-#include <asm/arch/pxa-regs.h>
-#include <div64.h>
-
-#ifdef CONFIG_USE_IRQ
-#error: interrupts not implemented yet
-#endif
-
-#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
-#define TIMER_FREQ_HZ 3250000
-#elif defined(CONFIG_PXA250)
-#define TIMER_FREQ_HZ 3686400
-#else
-#error "Timer frequency unknown - please config PXA CPU type"
-#endif
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- tick *= CONFIG_SYS_HZ;
- do_div(tick, TIMER_FREQ_HZ);
- return tick;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us = us * TIMER_FREQ_HZ + 999999;
- do_div(us, 1000000);
- return us;
-}
-
-int timer_init (void)
-{
- reset_timer();
-
- return 0;
-}
-
-void reset_timer (void)
-{
- reset_timer_masked ();
-}
-
-ulong get_timer (ulong base)
-{
- return get_timer_masked () - base;
-}
-
-void set_timer (ulong t)
-{
- /* nop */
-}
-
-void __udelay (unsigned long usec)
-{
- udelay_masked (usec);
-}
-
-
-void reset_timer_masked (void)
-{
- OSCR = 0;
-}
-
-ulong get_timer_masked (void)
-{
- return tick_to_time(get_ticks());
-}
-
-void udelay_masked (unsigned long usec)
-{
- unsigned long long tmp;
- ulong tmo;
-
- tmo = us_to_tick(usec);
- tmp = get_ticks() + tmo; /* get current timestamp */
-
- while (get_ticks() < tmp) /* loop till event */
- /*NOP*/;
-
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return OSCR;
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk (void)
-{
- ulong tbclk;
- tbclk = TIMER_FREQ_HZ;
- return tbclk;
-}