1 files changed, 0 insertions, 124 deletions
diff --git a/arch/arm/cpu/armv7/at91/timer.c b/arch/arm/cpu/armv7/at91/timer.c
deleted file mode 100644
index 19bf80b..0000000
--- a/arch/arm/cpu/armv7/at91/timer.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * (C) Copyright 2007-2008
- * Stelian Pop <stelian@popies.net>
- * Lead Tech Design <www.leadtechdesign.com>
- *
- * (C) Copyright 2013
- * Bo Shen <voice.shen@atmel.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pit.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/clk.h>
-#include <div64.h>
-
-#if !defined(CONFIG_AT91FAMILY)
-# error You need to define CONFIG_AT91FAMILY in your board config!
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * We're using the SAMA5D3x PITC in 32 bit mode, by
- * setting the 20 bit counter period to its maximum (0xfffff).
- * (See the relevant data sheets to understand that this really works)
- *
- * We do also mimic the typical powerpc way of incrementing
- * two 32 bit registers called tbl and tbu.
- *
- * Those registers increment at 1/16 the main clock rate.
- */
-
-#define TIMER_LOAD_VAL	0xfffff
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-	tick *= CONFIG_SYS_HZ;
-	do_div(tick, gd->arch.timer_rate_hz);
-
-	return tick;
-}
-
-static inline unsigned long long usec_to_tick(unsigned long long usec)
-{
-	usec *= gd->arch.timer_rate_hz;
-	do_div(usec, 1000000);
-
-	return usec;
-}
-
-/*
- * Use the PITC in full 32 bit incrementing mode
- */
-int timer_init(void)
-{
-	at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT;
-
-	/* Enable PITC Clock */
-	at91_periph_clk_enable(ATMEL_ID_PIT);
-
-	/* Enable PITC */
-	writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr);
-
-	gd->arch.timer_rate_hz = get_pit_clk_rate() / 16;
-
-	gd->arch.tbu = 0;
-	gd->arch.tbl = 0;
-
-	return 0;
-}
-
-/*
- * Get the current 64 bit timer tick count
- */
-unsigned long long get_ticks(void)
-{
-	at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT;
-
-	ulong now = readl(&pit->piir);
-
-	/* increment tbu if tbl has rolled over */
-	if (now < gd->arch.tbl)
-		gd->arch.tbu++;
-	gd->arch.tbl = now;
-	return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl;
-}
-
-void __udelay(unsigned long usec)
-{
-	unsigned long long start;
-	ulong tmo;
-
-	start = get_ticks();		/* get current timestamp */
-	tmo = usec_to_tick(usec);	/* convert usecs to ticks */
-	while ((get_ticks() - start) < tmo)
-		;			/* loop till time has passed */
-}
-
-/*
- * get_timer(base) can be used to check for timeouts or
- * to measure elasped time relative to an event:
- *
- * ulong start_time = get_timer(0) sets start_time to the current
- * time value.
- * get_timer(start_time) returns the time elapsed since then.
- *
- * The time is used in CONFIG_SYS_HZ units!
- */
-ulong get_timer(ulong base)
-{
-	return tick_to_time(get_ticks()) - base;
-}
-
-/*
- * Return the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
-	return gd->arch.timer_rate_hz;
-}