From a8580db029ca643bdca66559c7f25d18d0afb765 Mon Sep 17 00:00:00 2001
From: minoura <minoura@NetBSD.org>
Date: Sun, 30 Apr 2000 16:06:20 +0000
Subject: [PATCH] Revert 1.18 change. Hopefully this is a temporary fix;
 something might be missing in the SCSI negotiation.

---
 sys/arch/x68k/dev/mha.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/sys/arch/x68k/dev/mha.c b/sys/arch/x68k/dev/mha.c
index a39f5b9abda0..ea9bdb0aa114 100644
--- a/sys/arch/x68k/dev/mha.c
+++ b/sys/arch/x68k/dev/mha.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: mha.c,v 1.19 2000/03/23 06:47:33 thorpej Exp $	*/
+/*	$NetBSD: mha.c,v 1.20 2000/04/30 16:06:20 minoura Exp $	*/
 
 /*-
  * Copyright (c) 1996-1999 The NetBSD Foundation, Inc.
@@ -240,6 +240,7 @@ int	mhamatch	__P((struct device *, struct cfdata *, void *));
 void	mhaattach	__P((struct device *, struct device *, void *));
 void	mhaselect	__P((struct mha_softc *,
 				     u_char, u_char, u_char *, u_char));
+void	mha_scsi_reset	__P((struct mha_softc *));
 void	mha_reset	__P((struct mha_softc *));
 void	mha_free_acb	__P((struct mha_softc *, struct acb *, int));
 void	mha_sense	__P((struct mha_softc *, struct acb *));
@@ -345,6 +346,8 @@ mhaattach(parent, self, aux)
 
 	mha_init(sc);	/* Init chip and driver */
 
+	mha_scsi_reset(sc);	/* XXX: some devices need this. */
+
 	sc->sc_phase  = BUSFREE_PHASE;
 
 	/*
@@ -429,6 +432,19 @@ printf("done.\n");
 }
 #endif
 
+/*
+ * Pull the SCSI RST line for 500us.
+ */
+void
+mha_scsi_reset(sc)	/* FINISH? */
+	struct mha_softc *sc;
+{
+
+	CMR = CMD_SCSI_RESET;	/* SCSI RESET */
+	while (!(SSR&SS_IREQUEST))
+	  delay(10);
+}
+
 /*
  * Initialize mha SCSI driver.
  */