diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2010-11-11 17:54:55 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2010-11-11 17:54:55 +0000 |
| commit | 35c93cf738e694c577c6115391f6d6ba40dc0e0f (patch) | |
| tree | b1cd019d16ac9ad0aec94b3baf97e2c2dcbe4a50 /sys/dev/tc/tcvar.h | |
| parent | b37d7f96fb3abe514655717c4b8cf821c6eae0ca (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/tcvar.h')
| -rw-r--r-- | sys/dev/tc/tcvar.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/dev/tc/tcvar.h b/sys/dev/tc/tcvar.h index f9d73392f23..6fa495db155 100644 --- a/sys/dev/tc/tcvar.h +++ b/sys/dev/tc/tcvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: tcvar.h,v 1.15 2010/09/22 12:36:32 miod Exp $ */ +/* $OpenBSD: tcvar.h,v 1.16 2010/11/11 17:54:54 miod Exp $ */ /* $NetBSD: tcvar.h,v 1.17 2000/06/04 19:15:15 cgd Exp $ */ /* @@ -136,7 +136,10 @@ void tc_intr_disestablish(struct device *, void *, const char *); /* * Miscellaneous definitions. */ -#define TC_SPEED_12_5_MHZ 0 /* 12.5MHz TC bus */ -#define TC_SPEED_25_MHZ 1 /* 25MHz TC bus */ +#define TC_SPEED_12_5_MHZ 25 /* 12.5MHz TC bus */ +#define TC_SPEED_22_5_MHZ 45 /* 22.5MHz TC bus */ +#define TC_SPEED_25_MHZ 50 /* 25MHz TC bus */ + +#define TC_SPEED_TO_KHZ(s) ((s) * (1000 / 2)) #endif /* __DEV_TC_TCVAR_H__ */ |