1 files changed, 0 insertions, 191 deletions
diff --git a/arch/nds32/cpu/n1213/ag102/timer.c b/arch/nds32/cpu/n1213/ag102/timer.c
deleted file mode 100644
index 758b354110..0000000000
--- a/arch/nds32/cpu/n1213/ag102/timer.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * (C) Copyright 2009 Faraday Technology
- * Po-Yu Chuang <ratbert@faraday-tech.com>
- *
- * Copyright (C) 2011 Andes Technology Corporation
- * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
- * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <faraday/fttmr010.h>
-
-static ulong timestamp;
-static ulong lastdec;
-
-int timer_init(void)
-{
-	struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
-	unsigned int cr;
-
-	debug("%s()\n", __func__);
-
-	/* disable timers */
-	writel(0, &tmr->cr);
-
-#ifdef CONFIG_FTTMR010_EXT_CLK
-	/* use 32768Hz oscillator for RTC, WDT, TIMER */
-	ftpmu010_32768osc_enable();
-#endif
-
-	/* setup timer */
-	writel(TIMER_LOAD_VAL, &tmr->timer3_load);
-	writel(TIMER_LOAD_VAL, &tmr->timer3_counter);
-	writel(0, &tmr->timer3_match1);
-	writel(0, &tmr->timer3_match2);
-
-	/* we don't want timer to issue interrupts */
-	writel(FTTMR010_TM3_MATCH1 |
-	       FTTMR010_TM3_MATCH2 |
-	       FTTMR010_TM3_OVERFLOW,
-	       &tmr->interrupt_mask);
-
-	cr = readl(&tmr->cr);
-#ifdef CONFIG_FTTMR010_EXT_CLK
-	cr |= FTTMR010_TM3_CLOCK;	/* use external clock */
-#endif
-	cr |= FTTMR010_TM3_ENABLE;
-	writel(cr, &tmr->cr);
-
-	/* init the timestamp and lastdec value */
-	reset_timer_masked();
-
-	return 0;
-}
-
-/*
- * timer without interrupts
- */
-
-/*
- * reset time
- */
-void reset_timer_masked(void)
-{
-	struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
-
-	/* capure current decrementer value time */
-#ifdef CONFIG_FTTMR010_EXT_CLK
-	lastdec = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ);
-#else
-	lastdec = readl(&tmr->timer3_counter) /
-			(CONFIG_SYS_CLK_FREQ / 2 / CONFIG_SYS_HZ);
-#endif
-	timestamp = 0;		/* start "advancing" time stamp from 0 */
-
-	debug("%s(): lastdec = %lx\n", __func__, lastdec);
-}
-
-void reset_timer(void)
-{
-	debug("%s()\n", __func__);
-	reset_timer_masked();
-}
-
-/*
- * return timer ticks
- */
-ulong get_timer_masked(void)
-{
-	struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
-
-	/* current tick value */
-#ifdef CONFIG_FTTMR010_EXT_CLK
-	ulong now = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ);
-#else
-	ulong now = readl(&tmr->timer3_counter) /
-			(CONFIG_SYS_CLK_FREQ / 2 / CONFIG_SYS_HZ);
-#endif
-
-	debug("%s(): now = %lx, lastdec = %lx\n", __func__, now, lastdec);
-
-	if (lastdec >= now) {
-		/*
-		 * normal mode (non roll)
-		 * move stamp fordward with absoulte diff ticks
-		 */
-		timestamp += lastdec - now;
-	} else {
-		/*
-		 * we have overflow of the count down timer
-		 *
-		 * nts = ts + ld + (TLV - now)
-		 * ts=old stamp, ld=time that passed before passing through -1
-		 * (TLV-now) amount of time after passing though -1
-		 * nts = new "advancing time stamp"...it could also roll and
-		 * cause problems.
-		 */
-		timestamp += lastdec + TIMER_LOAD_VAL - now;
-	}
-
-	lastdec = now;
-
-	debug("%s() returns %lx\n", __func__, timestamp);
-
-	return timestamp;
-}
-
-/*
- * return difference between timer ticks and base
- */
-ulong get_timer(ulong base)
-{
-	debug("%s(%lx)\n", __func__, base);
-	return get_timer_masked() - base;
-}
-
-void set_timer(ulong t)
-{
-	debug("%s(%lx)\n", __func__, t);
-	timestamp = t;
-}
-
-/* delay x useconds AND preserve advance timestamp value */
-void __udelay(unsigned long usec)
-{
-	struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
-
-#ifdef CONFIG_FTTMR010_EXT_CLK
-	long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
-#else
-	long tmo = usec * ((CONFIG_SYS_CLK_FREQ / 2) / 1000) / 1000;
-#endif
-	unsigned long now, last = readl(&tmr->timer3_counter);
-
-	debug("%s(%lu)\n", __func__, usec);
-	while (tmo > 0) {
-		now = readl(&tmr->timer3_counter);
-		if (now > last) /* count down timer overflow */
-			tmo -= TIMER_LOAD_VAL + last - now;
-		else
-			tmo -= last - now;
-		last = now;
-	}
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
-	debug("%s()\n", __func__);
-	return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
-	debug("%s()\n", __func__);
-#ifdef CONFIG_FTTMR010_EXT_CLK
-	return CONFIG_SYS_HZ;
-#else
-	return CONFIG_SYS_CLK_FREQ;
-#endif
-}