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Patch from Eduardo Horvath: don't bus_dmamap_sync the script dma map if

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it lives in the on-chip RAM !
This commit is contained in:
bouyer 2000-06-20 17:16:22 +00:00
parent c60ddc2403
commit dbc130250d
1 changed files with 5 additions and 3 deletions
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8
sys/dev/ic/siop.c
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@ -1,4 +1,4 @@
/* $NetBSD: siop.c,v 1.21 2000/06/13 13:59:17 bouyer Exp $ */
/* $NetBSD: siop.c,v 1.22 2000/06/20 17:16:22 bouyer Exp $ */
/*
* Copyright (c) 2000 Manuel Bouyer.
@ -331,8 +331,10 @@ siop_reset(sc)
htole32(sc->sc_scriptaddr + Ent_reselect);
/* start script */
bus_dmamap_sync(sc->sc_dmat, sc->sc_scriptdma, 0, NBPG,
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
if ((sc->features & SF_CHIP_RAM) == 0) {
bus_dmamap_sync(sc->sc_dmat, sc->sc_scriptdma, 0, NBPG,
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
}
siop_shed_sync(sc, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
bus_space_write_4(sc->sc_rt, sc->sc_rh, SIOP_DSP,
sc->sc_scriptaddr + Ent_reselect);