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Remove some register declarations.

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Get Q9x0 dual SCSI at least basically working.
Be paranoid about some register reads.
This commit is contained in:
briggs 1999-06-09 03:41:34 +00:00
parent 2b778069fc
commit f98c8a0394
1 changed files with 22 additions and 9 deletions
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31
sys/arch/mac68k/obio/esp.c
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@ -1,4 +1,4 @@
/* $NetBSD: esp.c,v 1.21 1999/06/01 03:40:12 briggs Exp $ */
/* $NetBSD: esp.c,v 1.22 1999/06/09 03:41:34 briggs Exp $ */
/*
* Copyright (c) 1997 Jason R. Thorpe.
@ -399,11 +399,11 @@ int
esp_dma_intr(sc)
struct ncr53c9x_softc *sc;
{
register struct esp_softc *esc = (struct esp_softc *)sc;
register u_char *p;
struct esp_softc *esc = (struct esp_softc *)sc;
volatile u_char *cmdreg, *intrreg, *statreg, *fiforeg;
register u_int espphase, espstat, espintr;
register int cnt;
u_char *p;
u_int espphase, espstat, espintr;
int cnt, s;
if (esc->sc_active == 0) {
printf("dma_intr--inactive DMA\n");
@ -450,11 +450,13 @@ esp_dma_intr(sc)
if (esc->sc_active) {
while (!(*statreg & 0x80));
s = splhigh();
espstat = *statreg;
espintr = *intrreg;
espphase = (espintr & NCRINTR_DIS)
? /* Disconnected */ BUSFREE_PHASE
: espstat & PHASE_MASK;
splx(s);
}
} while (esc->sc_active && (espintr & NCRINTR_BS));
sc->sc_phase = espphase;
@ -708,11 +710,22 @@ int
esp_dualbus_intr(sc)
register struct ncr53c9x_softc *sc;
{
if (esp0 && (esp0->sc_reg[NCR_STAT * 16] & 0x80))
ncr53c9x_intr((struct ncr53c9x_softc *) esp0);
int i = 0;
if (esp1 && (esp1->sc_reg[NCR_STAT * 16] & 0x80))
ncr53c9x_intr((struct ncr53c9x_softc *) esp1);
do {
if (esp0 && (esp0->sc_reg[NCR_STAT * 16] & 0x80)) {
ncr53c9x_intr((struct ncr53c9x_softc *) esp0);
i++;
}
if (esp1 && (esp1->sc_reg[NCR_STAT * 16] & 0x80)) {
ncr53c9x_intr((struct ncr53c9x_softc *) esp1);
i++;
}
if (!i) {
delay(100); i++;
}
} while (!i);
return 0;
}