For some reason the 4/300 doesn't like ncr53c9x_dmaselect.

Added code to check to see if parent device == obio, if so, disable dmaselect
More research to be done here for a real fix (if possible)

1 files changed, 6 insertions, 2 deletions

diff --git a/sys/arch/sparc/dev/esp.c b/sys/arch/sparc/dev/esp.c
index 34e91117133..8e29e09fac9 100644
--- a/sys/arch/sparc/dev/esp.c
+++ b/sys/arch/sparc/dev/esp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: esp.c,v 1.11 1997/09/17 06:47:08 downsj Exp $	*/
+/*	$OpenBSD: esp.c,v 1.12 1998/01/14 18:30:10 jason Exp $	*/
 /*	$NetBSD: esp.c,v 1.69 1997/08/27 11:24:18 bouyer Exp $	*/
 
 /*
@@ -211,6 +211,7 @@ espattach(parent, self, aux)
 	struct ncr53c9x_softc *sc = &esc->sc_ncr53c9x;
 	struct bootpath *bp;
 	int dmachild = strncmp(parent->dv_xname, "dma", 3) == 0;
+	int use_dmaselect = strncmp(parent->dv_xname, "obio", 4);
 
 	/*
 	 * Set up glue for MI code early; we use some of it here.
@@ -401,7 +402,10 @@ espattach(parent, self, aux)
 	ncr53c9x_attach(sc, &esp_switch, &esp_dev);
 
 	/* Turn on target selection using the `dma' method */
-	ncr53c9x_dmaselect = 1;
+	/* XXX The Sun 4/300 doesn't handle this very well, so it is */
+	/* XXX disabled if the parent device == "obio" */
+	/* XXX More research to do here... */
+	ncr53c9x_dmaselect = use_dmaselect;
 
 	bootpath_store(1, NULL);
 }