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Diffstat (limited to 'arch/arm/cpu/ixp/timer.c')
-rw-r--r--arch/arm/cpu/ixp/timer.c101
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/arm/cpu/ixp/timer.c b/arch/arm/cpu/ixp/timer.c
deleted file mode 100644
index 38e2e2879c..0000000000
--- a/arch/arm/cpu/ixp/timer.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * (C) Copyright 2010
- * Michael Schwingen, michael@schwingen.org
- *
- * (C) Copyright 2006
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/ixp425.h>
-#include <asm/io.h>
-#include <div64.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * The IXP42x time-stamp timer runs at 2*OSC_IN (66.666MHz when using a
- * 33.333MHz crystal).
- */
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- tick *= CONFIG_SYS_HZ;
- do_div(tick, CONFIG_IXP425_TIMER_CLK);
- return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
- time *= CONFIG_IXP425_TIMER_CLK;
- do_div(time, CONFIG_SYS_HZ);
- return time;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us = us * CONFIG_IXP425_TIMER_CLK + 999999;
- do_div(us, 1000000);
- return us;
-}
-
-unsigned long long get_ticks(void)
-{
- ulong now = readl(IXP425_OSTS_B);
-
- if (readl(IXP425_OSST) & IXP425_OSST_TIMER_TS_PEND) {
- /* rollover of timestamp timer register */
- gd->arch.timestamp += (0xFFFFFFFF - gd->arch.lastinc) + now + 1;
- writel(IXP425_OSST_TIMER_TS_PEND, IXP425_OSST);
- } else {
- /* move stamp forward with absolut diff ticks */
- gd->arch.timestamp += (now - gd->arch.lastinc);
- }
- gd->arch.lastinc = now;
- return gd->arch.timestamp;
-}
-
-
-void reset_timer_masked(void)
-{
- /* capture current timestamp counter */
- gd->arch.lastinc = readl(IXP425_OSTS_B);
- /* start "advancing" time stamp from 0 */
- gd->arch.timestamp = 0;
-}
-
-ulong get_timer_masked(void)
-{
- return tick_to_time(get_ticks());
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-/* delay x useconds AND preserve advance timestamp value */
-void __udelay(unsigned long usec)
-{
- unsigned long long tmp;
-
- tmp = get_ticks() + us_to_tick(usec);
-
- while (get_ticks() < tmp)
- ;
-}
-
-int timer_init(void)
-{
- writel(IXP425_OSST_TIMER_TS_PEND, IXP425_OSST);
- return 0;
-}