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-rw-r--r--arch/arm/cpu/lh7a40x/timer.c182
1 files changed, 0 insertions, 182 deletions
diff --git a/arch/arm/cpu/lh7a40x/timer.c b/arch/arm/cpu/lh7a40x/timer.c
deleted file mode 100644
index 58b35b1..0000000
--- a/arch/arm/cpu/lh7a40x/timer.c
+++ /dev/null
@@ -1,182 +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>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.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 <lh7a40x.h>
-
-static ulong timer_load_val = 0;
-
-/* macro to read the 16 bit timer */
-static inline ulong READ_TIMER(void)
-{
- lh7a40x_timers_t* timers = LH7A40X_TIMERS_PTR;
- lh7a40x_timer_t* timer = &timers->timer1;
-
- return (timer->value & 0x0000ffff);
-}
-
-static ulong timestamp;
-static ulong lastdec;
-
-int timer_init (void)
-{
- lh7a40x_timers_t* timers = LH7A40X_TIMERS_PTR;
- lh7a40x_timer_t* timer = &timers->timer1;
-
- /* a periodic timer using the 508kHz source */
- timer->control = (TIMER_PER | TIMER_CLK508K);
-
- if (timer_load_val == 0) {
- /*
- * 10ms period with 508.469kHz clock = 5084
- */
- timer_load_val = CONFIG_SYS_HZ/100;
- }
-
- /* load value for 10 ms timeout */
- lastdec = timer->load = timer_load_val;
-
- /* auto load, start timer */
- timer->control = timer->control | TIMER_EN;
- timestamp = 0;
-
- return (0);
-}
-
-/*
- * timer without interrupts
- */
-ulong get_timer (ulong base)
-{
- return (get_timer_masked() - base);
-}
-
-void __udelay (unsigned long usec)
-{
- ulong tmo,tmp;
-
- /* normalize */
- if (usec >= 1000) {
- tmo = usec / 1000;
- tmo *= CONFIG_SYS_HZ;
- tmo /= 1000;
- }
- else {
- if (usec > 1) {
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000*1000);
- }
- else
- tmo = 1;
- }
-
- /* check for rollover during this delay */
- tmp = get_timer (0);
- if ((tmp + tmo) < tmp )
- reset_timer_masked(); /* timer would roll over */
- else
- tmo += tmp;
-
- while (get_timer_masked () < tmo);
-}
-
-void reset_timer_masked (void)
-{
- /* reset time */
- lastdec = READ_TIMER();
- timestamp = 0;
-}
-
-ulong get_timer_masked (void)
-{
- ulong now = READ_TIMER();
-
- if (lastdec >= now) {
- /* normal mode */
- timestamp += (lastdec - now);
- } else {
- /* we have an overflow ... */
- timestamp += ((lastdec + timer_load_val) - now);
- }
- lastdec = now;
-
- return timestamp;
-}
-
-void udelay_masked (unsigned long usec)
-{
- ulong tmo;
- ulong endtime;
- signed long diff;
-
- /* normalize */
- if (usec >= 1000) {
- tmo = usec / 1000;
- tmo *= CONFIG_SYS_HZ;
- tmo /= 1000;
- } else {
- if (usec > 1) {
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000*1000);
- } else {
- tmo = 1;
- }
- }
-
- endtime = get_timer_masked () + tmo;
-
- do {
- ulong now = get_timer_masked ();
- diff = endtime - now;
- } while (diff >= 0);
-}
-
-/*
- * 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 get_timer(0);
-}
-
-/*
- * 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_load_val * 100;
-
- return tbclk;
-}