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[src/trunk]: src/sys/arch/evbppc/ev64260 Get CLOCKBASE from opt_ppcparam.h.
details: https://anonhg.NetBSD.org/src/rev/7235f9e5948c
branches: trunk
changeset: 544350:7235f9e5948c
user: matt <matt%NetBSD.org@localhost>
date: Mon Mar 17 23:24:41 2003 +0000
description:
Get CLOCKBASE from opt_ppcparam.h.
diffstat:
sys/arch/evbppc/ev64260/clock.c | 19 ++++++++-----------
1 files changed, 8 insertions(+), 11 deletions(-)
diffs (57 lines):
diff -r 4b6afbbe77ab -r 7235f9e5948c sys/arch/evbppc/ev64260/clock.c
--- a/sys/arch/evbppc/ev64260/clock.c Mon Mar 17 23:23:47 2003 +0000
+++ b/sys/arch/evbppc/ev64260/clock.c Mon Mar 17 23:24:41 2003 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: clock.c,v 1.3 2003/03/16 08:12:26 matt Exp $ */
+/* $NetBSD: clock.c,v 1.4 2003/03/17 23:24:41 matt Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -31,6 +31,7 @@
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include "opt_ppcparam.h"
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
@@ -51,8 +52,8 @@
* Initially we assume a processor with a bus frequency of 12.5 MHz.
*/
u_long tbhz = 0; /* global timebase ticks/sec */
-u_long ticks_per_sec = 12500000;
-u_long ns_per_tick = 80;
+u_long ticks_per_sec = 25000000;
+u_long ns_per_tick = 40;
static long ticks_per_intr;
#if NRTC > 0
@@ -321,24 +322,20 @@
void
calc_delayconst()
{
- int omsr;
-
/*
* Get this info during autoconf? XXX
*/
- tbhz = 100000000; /* 100 MHz */
- ticks_per_sec = tbhz / 4; /* decr 1:4 */
- if (tbhz == 0)
- panic("AFW_tbhz");
+#ifdef CLOCKBASE
+ ticks_per_sec = CLOCKBASE / 4; /* from config file */
+#endif
+ cpu_timebase = ticks_per_sec;
/*
* Should check for correct CPU here? XXX
*/
- omsr = extintr_disable();
ns_per_tick = 1000000000 / ticks_per_sec;
ticks_per_intr = ticks_per_sec / hz;
curcpu()->ci_lasttb = mftb();
__asm __volatile ("mtdec %0" :: "r"(ticks_per_intr));
- extintr_restore(omsr);
}
/*
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