diff options
Diffstat (limited to 'sys/dev/isa/isa.c')
| -rw-r--r-- | sys/dev/isa/isa.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sys/dev/isa/isa.c b/sys/dev/isa/isa.c index c92d09119b9..435f3b45f5a 100644 --- a/sys/dev/isa/isa.c +++ b/sys/dev/isa/isa.c @@ -1,5 +1,5 @@ -/* $OpenBSD: isa.c,v 1.8 1996/05/07 07:37:07 deraadt Exp $ */ -/* $NetBSD: isa.c,v 1.81 1996/04/29 20:03:24 christos Exp $ */ +/* $OpenBSD: isa.c,v 1.9 1996/05/10 12:37:45 deraadt Exp $ */ +/* $NetBSD: isa.c,v 1.82 1996/05/05 01:14:07 thorpej Exp $ */ /*- * Copyright (c) 1993, 1994 Charles Hannum. All rights reserved. @@ -85,6 +85,13 @@ isaattach(parent, self, aux) sc->sc_bc = iba->iba_bc; sc->sc_ic = iba->iba_ic; + /* + * Map port 0x84, which causes a 2.5us delay when read. + * We do this now, since several drivers need it. + */ + if (bus_io_map(sc->sc_bc, 0x84, 1, &sc->sc_delayioh)) + panic("isaattach: can't map `delay port'"); /* XXX */ + TAILQ_INIT(&sc->sc_subdevs); config_scan(isascan, self); } @@ -132,6 +139,7 @@ isascan(parent, match) ia.ia_msize = cf->cf_loc[3]; ia.ia_irq = cf->cf_loc[4] == 2 ? 9 : cf->cf_loc[4]; ia.ia_drq = cf->cf_loc[5]; + ia.ia_delayioh = sc->sc_delayioh; if ((*cf->cf_attach->ca_match)(parent, dev, &ia) > 0) config_attach(parent, dev, &ia, isaprint); |