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| author |   csapuntz <csapuntz@openbsd.org> | 1998-07-28 13:26:48 +0000 |
|---|---|---|
| committer | csapuntz <csapuntz@openbsd.org> | 1998-07-28 13:26:48 +0000 |
| commit | 403e909090ece2646b0963e54b70ae2edd0a69d8 (patch) | |
| tree | ccfbcf94951eb34c20025fe4e3f979a7061b65be /sys/dev/isa/isapnp.c | |
| parent | document EINVAL due to overflow (diff) | |
| download | wireguard-openbsd-403e909090ece2646b0963e54b70ae2edd0a69d8.tar.xz wireguard-openbsd-403e909090ece2646b0963e54b70ae2edd0a69d8.zip | |
Disable ISA PNP devices before ISA scan
Diffstat (limited to 'sys/dev/isa/isapnp.c')
| -rw-r--r-- | sys/dev/isa/isapnp.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/sys/dev/isa/isapnp.c b/sys/dev/isa/isapnp.c index bdc7adb2336..ce9811e90ed 100644 --- a/sys/dev/isa/isapnp.c +++ b/sys/dev/isa/isapnp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: isapnp.c,v 1.18 1998/06/02 18:23:33 deraadt Exp $ */ +/* $OpenBSD: isapnp.c,v 1.19 1998/07/28 13:26:50 csapuntz Exp $ */ /* $NetBSD: isapnp.c,v 1.9.4.3 1997/10/29 00:40:43 thorpej Exp $ */ /* @@ -792,6 +792,36 @@ isapnp_configure(sc, ipa) } +/* + * Some BIOSes take the liberty of configuring our ISA cards for us. + * + * Disable this so that ISA scan doesn't detect ISAPNP cards + * + */ + +void +isapnp_isa_attach_hook(isa_sc) + struct isa_softc *isa_sc; + +{ + struct isapnp_softc sc; + + sc.sc_iot = isa_sc->sc_iot; + sc.sc_ncards = 0; + + if (isapnp_map(&sc)) + return; + + printf ("isapnp: putting PNP cards to sleep\n"); + + isapnp_init(&sc); + + isapnp_write_reg(&sc, ISAPNP_CONFIG_CONTROL, ISAPNP_CC_RESET_DRV); + DELAY(2000); + + isapnp_unmap(&sc); +} + /* isapnp_match(): * Probe routine */ |