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authorMiod Vallat <miod@cvs.openbsd.org>2010-11-11 17:54:55 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2010-11-11 17:54:55 +0000
commit35c93cf738e694c577c6115391f6d6ba40dc0e0f (patch)
treeb1cd019d16ac9ad0aec94b3baf97e2c2dcbe4a50 /sys/dev/tc/tc.c
parentb37d7f96fb3abe514655717c4b8cf821c6eae0ca (diff)
DEC 3000/400 has a 22.5MHz TURBOchannel bus instead of the usual 25MHz;
correctly report this. Then, in asc@tc, compute synchronous transfer periods (involving the bus clock) with a better accuracy. ok krw@
Diffstat (limited to 'sys/dev/tc/tc.c')
-rw-r--r--sys/dev/tc/tc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/dev/tc/tc.c b/sys/dev/tc/tc.c
index 89765bafc6a..399378b40b2 100644
--- a/sys/dev/tc/tc.c
+++ b/sys/dev/tc/tc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tc.c,v 1.19 2010/09/22 12:36:32 miod Exp $ */
+/* $OpenBSD: tc.c,v 1.20 2010/11/11 17:54:54 miod Exp $ */
/* $NetBSD: tc.c,v 1.29 2001/11/13 06:26:10 lukem Exp $ */
/*
@@ -81,8 +81,10 @@ tcattach(parent, self, aux)
tc_addr_t tcaddr;
int i;
- printf(": %s MHz clock\n",
- tba->tba_speed == TC_SPEED_25_MHZ ? "25" : "12.5");
+ if (tba->tba_speed & 1)
+ printf(": %d.5 MHz clock\n", tba->tba_speed / 2);
+ else
+ printf(": %d MHz clock\n", tba->tba_speed / 2);
/*
* Save important CPU/chipset information.