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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:11 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:24 +0200
commit84ad688473bec2875e171b71040eb9e033c6c206 (patch)
treecf181129cbdf5d833d55262f759ea2cd9cafaff7 /cpu/s3c44b0/timer.c
parent8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba (diff)
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arm: Move cpu/$CPU to arch/arm/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'cpu/s3c44b0/timer.c')
-rw-r--r--cpu/s3c44b0/timer.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/cpu/s3c44b0/timer.c b/cpu/s3c44b0/timer.c
deleted file mode 100644
index 6f1d8f6..0000000
--- a/cpu/s3c44b0/timer.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * (C) Copyright 2004
- * DAVE Srl
- * http://www.dave-tech.it
- * http://www.wawnet.biz
- * mailto:info@wawnet.biz
- *
- * 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/hardware.h>
-
-/* we always count down the max. */
-#define TIMER_LOAD_VAL 0xffff
-
-/* macro to read the 16 bit timer */
-#define READ_TIMER (TCNTO1 & 0xffff)
-
-#ifdef CONFIG_USE_IRQ
-#error CONFIG_USE_IRQ NOT supported
-#endif
-
-static ulong timestamp;
-static ulong lastdec;
-
-int timer_init (void)
-{
- TCFG0 = 0x000000E9;
- TCFG1 = 0x00000004;
- TCON = 0x00000900;
- TCNTB1 = TIMER_LOAD_VAL;
- TCMPB1 = 0;
- TCON = 0x00000B00;
- TCON = 0x00000900;
-
-
- lastdec = TCNTB1 = TIMER_LOAD_VAL;
- timestamp = 0;
- return 0;
-}
-
-/*
- * timer without interrupts
- */
-
-void reset_timer (void)
-{
- reset_timer_masked ();
-}
-
-ulong get_timer (ulong base)
-{
- return get_timer_masked () - base;
-}
-
-void set_timer (ulong t)
-{
- timestamp = t;
-}
-
-void __udelay (unsigned long usec)
-{
- ulong tmo;
-
- tmo = usec / 1000;
- tmo *= CONFIG_SYS_HZ;
- tmo /= 8;
-
- tmo += get_timer (0);
-
- while (get_timer_masked () < tmo)
- /*NOP*/;
-}
-
-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;
-
- if (usec >= 1000) {
- tmo = usec / 1000;
- tmo *= CONFIG_SYS_HZ;
- tmo /= 8;
- } else {
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000*8);
- }
-
- endtime = get_timer(0) + tmo;
-
- do {
- ulong now = get_timer_masked ();
- diff = endtime - now;
- } while (diff >= 0);
-}