arm: Move cpu/$CPU to arch/arm/cpu/$CPU

[u-boot] / cpu / arm926ejs / at91 / timer.c

diff --git a/cpu/arm926ejs/at91/timer.c b/cpu/arm926ejs/at91/timer.c
deleted file mode 100644 (file)
index d21eebf..0000000
--- a/cpu/arm926ejs/at91/timer.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * (C) Copyright 2007-2008
- * Stelian Pop <stelian.pop@leadtechdesign.com>
- * Lead Tech Design <www.leadtechdesign.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pit.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/clk.h>
-#include <asm/arch/io.h>
-#include <div64.h>
-
-/*
- * We're using the AT91CAP9/SAM9 PITC in 32 bit mode, by
- * setting the 20 bit counter period to its maximum (0xfffff).
- */
-#define TIMER_LOAD_VAL 0xfffff
-
-static ulong timestamp;
-static ulong lastinc;
-static ulong timer_freq;
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-       tick *= CONFIG_SYS_HZ;
-       do_div(tick, timer_freq);
-
-       return tick;
-}
-
-static inline unsigned long long usec_to_tick(unsigned long long usec)
-{
-       usec *= timer_freq;
-       do_div(usec, 1000000);
-
-       return usec;
-}
-
-/* nothing really to do with interrupts, just starts up a counter. */
-int timer_init(void)
-{
-       at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
-       at91_pit_t *pit = (at91_pit_t *) AT91_PIT_BASE;
-       /*
-        * Enable PITC Clock
-        * The clock is already enabled for system controller in boot
-        */
-       writel(1 << AT91_ID_SYS, &pmc->pcer);
-
-       /* Enable PITC */
-       writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr);
-
-       reset_timer_masked();
-
-       timer_freq = get_mck_clk_rate() >> 4;
-
-       return 0;
-}
-
-/*
- * timer without interrupts
- */
-unsigned long long get_ticks(void)
-{
-       at91_pit_t *pit = (at91_pit_t *) AT91_PIT_BASE;
-
-       ulong now = readl(&pit->piir);
-
-       if (now >= lastinc)     /* normal mode (non roll) */
-               /* move stamp forward with absolut diff ticks */
-               timestamp += (now - lastinc);
-       else                    /* we have rollover of incrementer */
-               timestamp += (0xFFFFFFFF - lastinc) + now;
-       lastinc = now;
-       return timestamp;
-}
-
-void reset_timer_masked(void)
-{
-       /* reset time */
-       at91_pit_t *pit = (at91_pit_t *) AT91_PIT_BASE;
-
-       /* capture current incrementer value time */
-       lastinc = readl(&pit->piir);
-       timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-ulong get_timer_masked(void)
-{
-       return tick_to_time(get_ticks());
-}
-
-void __udelay(unsigned long usec)
-{
-       unsigned long long tmp;
-       ulong tmo;
-
-       tmo = usec_to_tick(usec);
-       tmp = get_ticks() + tmo;        /* get current timestamp */
-
-       while (get_ticks() < tmp)       /* loop till event */
-                /*NOP*/;
-}
-
-void reset_timer(void)
-{
-       reset_timer_masked();
-}
-
-ulong get_timer(ulong base)
-{
-       return get_timer_masked () - base;
-}
-
-/*
- * 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)
-{
-       ulong tbclk;
-
-       tbclk = CONFIG_SYS_HZ;
-       return tbclk;
-}