X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fsocfpga%2Ftimer.c;h=58fc789e6451534951a169d66ecb4ceefa1ed478;hb=bcb879c0e37db1cf527ff408df93918f155012ea;hp=09f6f14200e47fa02e807727f390506563cc02bf;hpb=c2120fbfbc4d1f6953228f86be8bdbf38bacfdab;p=u-boot

diff --git a/arch/arm/cpu/armv7/socfpga/timer.c b/arch/arm/cpu/armv7/socfpga/timer.c
index 09f6f14200..58fc789e64 100644
--- a/arch/arm/cpu/armv7/socfpga/timer.c
+++ b/arch/arm/cpu/armv7/socfpga/timer.c
@@ -8,8 +8,6 @@
 #include <asm/io.h>
 #include <asm/arch/timer.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 static const struct socfpga_timer *timer_base = (void *)CONFIG_SYS_TIMERBASE;
 
 /*
@@ -22,73 +20,3 @@ int timer_init(void)
 	writel(readl(&timer_base->ctrl) | 0x3, &timer_base->ctrl);
 	return 0;
 }
-
-static u32 read_timer(void)
-{
-	return readl(&timer_base->curr_val);
-}
-
-/*
- * Delay x useconds
- */
-void __udelay(unsigned long usec)
-{
-	unsigned long now, last;
-	/*
-	 * get the tmo value based on timer clock speed
-	 * tmo = delay required / period of timer clock
-	 */
-	long tmo = usec * CONFIG_TIMER_CLOCK_KHZ / 1000;
-
-	last = read_timer();
-	while (tmo > 0) {
-		now = read_timer();
-		if (last >= now)
-			/* normal mode (non roll) */
-			tmo -= last - now;
-		else
-			/* we have overflow of the count down timer */
-			tmo -= TIMER_LOAD_VAL - last + now;
-		last = now;
-	}
-}
-
-/*
- * Get the timer value
- */
-ulong get_timer(ulong base)
-{
-	return get_timer_masked() - base;
-}
-
-/*
- * Timer : get the time difference
- * Unit of tick is based on the CONFIG_SYS_HZ
- */
-ulong get_timer_masked(void)
-{
-	/* current tick value */
-	ulong now = read_timer() / (CONFIG_TIMER_CLOCK_KHZ/CONFIG_SYS_HZ);
-	if (gd->arch.lastinc >= now) {
-		/* normal mode (non roll) */
-		/* move stamp forward with absolute diff ticks */
-		gd->arch.tbl += gd->arch.lastinc - now;
-	} else {
-		/* we have overflow of the count down timer */
-		gd->arch.tbl += TIMER_LOAD_VAL - gd->arch.lastinc + now;
-	}
-	gd->arch.lastinc = now;
-	return gd->arch.tbl;
-}
-
-/*
- * Reset the timer
- */
-void reset_timer(void)
-{
-	/* capture current decrementer value time */
-	gd->arch.lastinc = read_timer() /
-				(CONFIG_TIMER_CLOCK_KHZ / CONFIG_SYS_HZ);
-	/* start "advancing" time stamp from 0 */
-	gd->arch.tbl = 0;
-}