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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-05-15 23:45:12 +0200 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-06-12 20:39:48 +0200 | 
| commit | c20e28f49aaf38c7dede46d8f8fe8234fe90822c (patch) | |
| tree | 1d65f806c0642f6348b345ae68c0d0114686bbbf | |
| parent | f1d944e30eb8ff89080fa03fb98d8fb5c82388d2 (diff) | |
| download | olio-uboot-2014.01-c20e28f49aaf38c7dede46d8f8fe8234fe90822c.tar.xz olio-uboot-2014.01-c20e28f49aaf38c7dede46d8f8fe8234fe90822c.zip  | |
arm946es: remove non used timer
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
| -rw-r--r-- | cpu/arm946es/Makefile | 3 | ||||
| -rw-r--r-- | cpu/arm946es/interrupts.c | 158 | 
2 files changed, 2 insertions, 159 deletions
diff --git a/cpu/arm946es/Makefile b/cpu/arm946es/Makefile index d5ac7d3fd..e81f2da29 100644 --- a/cpu/arm946es/Makefile +++ b/cpu/arm946es/Makefile @@ -26,7 +26,8 @@ include $(TOPDIR)/config.mk  LIB	= $(obj)lib$(CPU).a  START	= start.o -COBJS	= interrupts.o cpu.o + +COBJS	= cpu.o  SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)  OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS)) diff --git a/cpu/arm946es/interrupts.c b/cpu/arm946es/interrupts.c deleted file mode 100644 index 3a16abe7d..000000000 --- a/cpu/arm946es/interrupts.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * (C) Copyright 2003 - * Texas Instruments <www.ti.com> - * - * (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> - * - * (C) Copyright 2002-2004 - * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> - * - * (C) Copyright 2004 - * Philippe Robin, ARM Ltd. <philippe.robin@arm.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 <arm946es.h> - -#define TIMER_LOAD_VAL 0xffffffff -extern void reset_cpu(ulong addr); - -#ifdef CONFIG_INTEGRATOR -	/* Timer functionality supplied by Integrator board (AP or CP) */ -#else - -static ulong timestamp; -static ulong lastdec; - -/* nothing really to do with interrupts, just starts up a counter. */ -int interrupt_init (void) -{ -	/* init the timestamp and lastdec value */ -	reset_timer_masked(); - -	return (0); -} - -/* - * timer without interrupts - */ - -void reset_timer (void) -{ -	reset_timer_masked (); -} - -ulong get_timer (ulong base) -{ -	return get_timer_masked () - base; -} - -void set_timer (ulong t) -{ -	timestamp = t; -} - -/* delay x useconds AND perserve advance timstamp value */ -void udelay(unsigned long usec) -{ -	udelay_masked(usec); -} - -void reset_timer_masked (void) -{ -	/* reset time */ -	lastdec = READ_TIMER;  /* capure current decrementer value time */ -	timestamp = 0;         /* start "advancing" time stamp from 0 */ -} - -ulong get_timer_raw (void) -{ -	ulong now = READ_TIMER;		/* current tick value */ - -	if (lastdec >= now) {		/* normal mode (non roll) */ -		/* normal mode */ -		timestamp += lastdec - now; /* move stamp fordward with absoulte diff ticks */ -	} 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; - -	return timestamp; -} - -ulong get_timer_masked (void) -{ -	return get_timer_raw() / TIMER_LOAD_VAL; -} - -/* waits specified delay value and resets timestamp */ -void udelay_masked (unsigned long usec) -{ -	ulong tmo; - -	if(usec >= 1000){               /* if "big" number, spread normalization to seconds */ -		tmo = usec / 1000;      /* start to normalize for usec to ticks per sec */ -		tmo *= CONFIG_SYS_HZ_CLOCK;    /* find number of "ticks" to wait to achieve target */ -		tmo /= 1000;            /* finish normalize. */ -	}else{                          /* else small number, don't kill it prior to HZ multiply */ -		tmo = usec * CONFIG_SYS_HZ_CLOCK; -		tmo /= (1000*1000); -	} - -	reset_timer_masked ();	/* set "advancing" timestamp to 0, set lastdec vaule */ - -	while (get_timer_raw () < tmo) /* wait for time stamp to overtake tick number.*/ -		/*NOP*/; -} - -/* - * 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) -{ -	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) -{ -	ulong tbclk; - -	tbclk = CONFIG_SYS_HZ; -	return tbclk; -} - -#endif /* CONFIG_INTEGRATOR */  |