* (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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <asm/io.h>
#include <asm/arch/bits.h>
#include <asm/arch/omap2420.h>
+#define TIMER_CLOCK (CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV))
#define TIMER_LOAD_VAL 0
/* macro to read the 32 bit timer */
-#define READ_TIMER (*((volatile ulong *)(CONFIG_SYS_TIMERBASE+TCRR)))
+#define READ_TIMER readl(CONFIG_SYS_TIMERBASE+TCRR) \
+ / (TIMER_CLOCK / CONFIG_SYS_HZ)
DECLARE_GLOBAL_DATA_PTR;
gd->arch.tbl += (now - gd->arch.lastinc);
} else {
/* we have rollover of incrementer */
- gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now;
+ gd->arch.tbl += ((0xFFFFFFFF / (TIMER_CLOCK / CONFIG_SYS_HZ))
+ - gd->arch.lastinc) + now;
}
gd->arch.lastinc = now;
return gd->arch.tbl;