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

[u-boot] / cpu / arm920t / a320 / timer.c

diff --git a/cpu/arm920t/a320/timer.c b/cpu/arm920t/a320/timer.c
deleted file mode 100644 (file)
index bb65593..0000000
--- a/cpu/arm920t/a320/timer.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * (C) Copyright 2009 Faraday Technology
- * Po-Yu Chuang <ratbert@faraday-tech.com>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/ftpmu010.h>
-#include <asm/arch/fttmr010.h>
-
-static ulong timestamp;
-static ulong lastdec;
-
-static struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
-static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
-
-#define TIMER_CLOCK    32768
-#define TIMER_LOAD_VAL 0xffffffff
-
-int timer_init(void)
-{
-       unsigned int oscc;
-       unsigned int cr;
-
-       debug("%s()\n", __func__);
-
-       /* disable timers */
-       writel(0, &tmr->cr);
-
-       /*
-        * use 32768Hz oscillator for RTC, WDT, TIMER
-        */
-
-       /* enable the 32768Hz oscillator */
-       oscc = readl(&pmu->OSCC);
-       oscc &= ~(FTPMU010_OSCC_OSCL_OFF | FTPMU010_OSCC_OSCL_TRI);
-       writel(oscc, &pmu->OSCC);
-
-       /* wait until ready */
-       while (!(readl(&pmu->OSCC) & FTPMU010_OSCC_OSCL_STABLE))
-               ;
-
-       /* select 32768Hz oscillator */
-       oscc = readl(&pmu->OSCC);
-       oscc |= FTPMU010_OSCC_OSCL_RTCLSEL;
-       writel(oscc, &pmu->OSCC);
-
-       /* 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);
-       cr |= FTTMR010_TM3_CLOCK;       /* use external clock */
-       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)
-{
-       /* capure current decrementer value time */
-       lastdec = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ);
-       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)
-{
-       /* current tick value */
-       ulong now = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ);
-
-       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 perserve advance timstamp value */
-void udelay(unsigned long usec)
-{
-       long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
-       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__);
-       return CONFIG_SYS_HZ;
-}