*
* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
*
- * 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 <asm/arch/pxa-regs.h>
-#include <asm/io.h>
#include <common.h>
-#include <div64.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
-#define TIMER_LOAD_VAL 0xffffffff
-
-#define timestamp (gd->arch.tbl)
-#define lastinc (gd->arch.lastinc)
-
-#if defined(CONFIG_CPU_PXA27X) || defined(CONFIG_CPU_MONAHANS)
-#define TIMER_FREQ_HZ 3250000
-#elif defined(CONFIG_CPU_PXA25X)
-#define TIMER_FREQ_HZ 3686400
-#else
-#error "Timer frequency unknown - please config PXA CPU type"
-#endif
-
-static unsigned long long tick_to_time(unsigned long long tick)
-{
- return tick * CONFIG_SYS_HZ / TIMER_FREQ_HZ;
-}
-
-static unsigned long long us_to_tick(unsigned long long us)
-{
- return (us * TIMER_FREQ_HZ) / 1000000;
-}
-
int timer_init(void)
{
- writel(0, OSCR);
+ writel(0, CONFIG_SYS_TIMER_COUNTER);
return 0;
}
-
-unsigned long long get_ticks(void)
-{
- /* Current tick value */
- uint32_t now = readl(OSCR);
-
- if (now >= lastinc) {
- /*
- * Normal mode (non roll)
- * Move stamp forward with absolute diff ticks
- */
- timestamp += (now - lastinc);
- } else {
- /* We have rollover of incrementer */
- timestamp += (TIMER_LOAD_VAL - lastinc) + now;
- }
-
- lastinc = now;
- return timestamp;
-}
-
-ulong get_timer(ulong base)
-{
- return tick_to_time(get_ticks()) - base;
-}
-
-void __udelay(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*/;
-}
-
-ulong get_tbclk(void)
-{
- return TIMER_FREQ_HZ;
-}