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The ie_reset function needs to turn off loopback mode.

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(Remember the TDR complaint: short X clocks away?
that was because the chip was in looback mode! 8)
This commit is contained in:
gwr 1997-12-08 21:49:50 +00:00
parent ec9abe23be
commit 2e40be26b8
1 changed files with 37 additions and 28 deletions
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65
sys/arch/sun3/dev/if_ie_obio.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_ie_obio.c,v 1.11 1997/10/07 18:17:19 gwr Exp $ */
/* $NetBSD: if_ie_obio.c,v 1.12 1997/12/08 21:49:50 gwr Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
@ -122,21 +122,9 @@ ie_obio_attach(parent, self, args)
sc->sc_bcopy = bcopy;
sc->sc_bzero = bzero;
/*
* The on-board "ie" just uses main memory, so
* we can choose how much memory to give it.
* XXX: Would like to use less than 64K...
*/
sc->sc_msize = 0x8000; /* MEMSIZE 32K */
/* Map in the control registers. */
sc->sc_reg = obio_mapin(ca->ca_paddr, sizeof(struct ieob));
/* Allocate "shared" memory (in DVMA space). */
sc->sc_maddr = dvma_malloc(sc->sc_msize);
if (sc->sc_maddr == NULL)
panic(": not enough dvma space");
/*
* The on-board "ie" is wired-up such that its
* memory access goes to the high 16 megabytes
@ -144,6 +132,18 @@ ie_obio_attach(parent, self, args)
*/
sc->sc_iobase = (caddr_t)DVMA_OBIO_SLAVE_BASE;
/*
* The on-board "ie" just uses main memory, so
* we can choose how much memory to give it.
* XXX: Would like to use less than 64K...
*/
sc->sc_msize = 0x8000; /* MEMSIZE 32K */
/* Allocate "shared" memory (in DVMA space). */
sc->sc_maddr = dvma_malloc(sc->sc_msize);
if (sc->sc_maddr == NULL)
panic(": not enough dvma space");
/*
* Set the System Configuration Pointer (SCP).
* Its location is system-dependent because the
@ -161,29 +161,22 @@ ie_obio_attach(parent, self, args)
sc->buf_area = sc->sc_maddr;
sc->buf_area_sz = sc->sc_msize;
/* Install interrupt handler. */
isr_add_autovect(ie_intr, (void *)sc, ca->ca_intpri);
/* Set the ethernet address. */
idprom_etheraddr(sc->sc_addr);
/* Do machine-independent parts of attach. */
ie_attach(sc);
/* Install interrupt handler. */
isr_add_autovect(ie_intr, (void *)sc, ca->ca_intpri);
}
/*
* onboard ie support
*/
void
ie_obreset(sc)
struct ie_softc *sc;
{
volatile struct ieob *ieo = (struct ieob *) sc->sc_reg;
ieo->obctrl = 0;
delay(100); /* XXX could be shorter? */
ieo->obctrl = IEOB_NORSET;
}
/* Whack the "channel attetion" line. */
void
ie_obattend(sc)
struct ie_softc *sc;
@ -194,12 +187,28 @@ ie_obattend(sc)
ieo->obctrl &= ~IEOB_ATTEN; /* down. */
}
/*
* This is called during driver attach.
* Reset and initialize.
*/
void
ie_obreset(sc)
struct ie_softc *sc;
{
volatile struct ieob *ieo = (struct ieob *) sc->sc_reg;
ieo->obctrl = 0;
delay(20);
ieo->obctrl = (IEOB_NORSET | IEOB_ONAIR | IEOB_IENAB);
}
/*
* This is called at the end of ieinit().
* optional.
*/
void
ie_obrun(sc)
struct ie_softc *sc;
{
volatile struct ieob *ieo = (struct ieob *) sc->sc_reg;
ieo->obctrl |= (IEOB_ONAIR|IEOB_IENAB|IEOB_NORSET);
/* do it all in reset */
}