*
* (C) Copyright 2009 DENX Software Engineering
* Author: John Rigby <jrigby@gmail.com>
- * Add support for MX25
+ * Add support for MX25
*
* See file CREDITS for list of people who contributed to this
* project.
#include <div64.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
DECLARE_GLOBAL_DATA_PTR;
-#define timestamp gd->tbl
-#define lastinc gd->lastinc
+#define timestamp (gd->tbl)
+#define lastinc (gd->lastinc)
/*
* "time" is measured in 1 / CONFIG_SYS_HZ seconds,
static inline unsigned long long tick_to_time(unsigned long long tick)
{
tick *= CONFIG_SYS_HZ;
- do_div(tick, CONFIG_MX25_CLK32);
+ do_div(tick, MXC_CLK32);
return tick;
}
static inline unsigned long long time_to_tick(unsigned long long time)
{
- time *= CONFIG_MX25_CLK32;
+ time *= MXC_CLK32;
do_div(time, CONFIG_SYS_HZ);
return time;
}
static inline unsigned long long us_to_tick(unsigned long long us)
{
- us = us * CONFIG_MX25_CLK32 + 999999;
+ us = us * MXC_CLK32 + 999999;
do_div(us, 1000000);
return us;
}
#else
/* ~2% error */
-#define TICK_PER_TIME ((CONFIG_MX25_CLK32 + CONFIG_SYS_HZ / 2) / \
- CONFIG_SYS_HZ)
-#define US_PER_TICK (1000000 / CONFIG_MX25_CLK32)
+#define TICK_PER_TIME ((MXC_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
+#define US_PER_TICK (1000000 / MXC_CLK32)
static inline unsigned long long tick_to_time(unsigned long long tick)
{
return 0;
}
-void reset_timer_masked(void)
-{
- struct gpt_regs *gpt = (struct gpt_regs *)IMX_GPT1_BASE;
- /* reset time */
- /* capture current incrementer value time */
- lastinc = readl(&gpt->counter);
- timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-unsigned long long get_ticks (void)
+unsigned long long get_ticks(void)
{
struct gpt_regs *gpt = (struct gpt_regs *)IMX_GPT1_BASE;
ulong now = readl(&gpt->counter); /* current tick value */
return timestamp;
}
-ulong get_timer_masked (void)
+ulong get_timer_masked(void)
{
/*
* get_ticks() returns a long long (64 bit), it wraps in
- * 2^64 / CONFIG_MX25_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+ * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
* 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
* 5 * 10^6 days - long enough.
*/
return tick_to_time(get_ticks());
}
-ulong get_timer (ulong base)
+ulong get_timer(ulong base)
{
- return get_timer_masked () - base;
+ return get_timer_masked() - base;
}
/* delay x useconds AND preserve advance timstamp value */
-void __udelay (unsigned long usec)
+void __udelay(unsigned long usec)
{
unsigned long long tmp;
ulong tmo;
{
ulong tbclk;
- tbclk = CONFIG_MX25_CLK32;
+ tbclk = MXC_CLK32;
return tbclk;
}