I don't think there is a reason to enable IDE through isa now that

we have pciide.

1 files changed, 2 insertions, 49 deletions

diff --git a/sys/arch/alpha/pci/sio.c b/sys/arch/alpha/pci/sio.c
index 967b9ef33fd..1c3e2c52f54 100644
--- a/sys/arch/alpha/pci/sio.c
+++ b/sys/arch/alpha/pci/sio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sio.c,v 1.20 2001/02/05 17:25:42 art Exp $	*/
+/*	$OpenBSD: sio.c,v 1.21 2001/02/06 19:07:11 art Exp $	*/
 /*	$NetBSD: sio.c,v 1.15 1996/12/05 01:39:36 cgd Exp $	*/
 
 /*
@@ -94,8 +94,6 @@ void	sio_eisa_attach_hook __P((struct device *, struct device *,
 	    struct eisabus_attach_args *));
 int	sio_eisa_maxslots __P((void *));
 int	sio_eisa_intr_map __P((void *, u_int, eisa_intr_handle_t *));
-void	siocfiddle __P((struct isabus_attach_args *iba));
-
 void	sio_bridge_callback __P((void *));
 
 int
@@ -217,7 +215,7 @@ sio_isa_attach_hook(parent, self, iba)
 	struct device *parent, *self;
 	struct isabus_attach_args *iba;
 {
-	siocfiddle(iba);
+	/* Nothing to do. */
 }
 
 void
@@ -259,48 +257,3 @@ sio_eisa_intr_map(v, irq, ihp)
 	*ihp = irq;
 	return 0;
 }
-
-
-/*
- * Look for and gently fondle the 87312 Super I/O chip.
- */
-
-#define SIOC_IDE_ENABLE	0x40
-#define	SIOC_NPORTS	2
-void
-siocfiddle(iba)
-	struct isabus_attach_args *iba;
-{
-	bus_space_tag_t iot = iba->iba_iot;
-	bus_space_handle_t ioh;
-	extern int cputype;
-	int addr;
-	u_int8_t reg0;
-
-	/* Decide based on machine type */
-	switch (cputype) {
-	case 11:			/* DEC AXPpci */
-	case 12:			/* DEC 2100 A50 */
-		addr = 0x26e;
-		break;
-	case 26:			/* DEC EB164 */
-		addr = 0x398;
-		break;
-	default:
-		return;
-	}
-
-	if (bus_space_map(iot, addr, SIOC_NPORTS, 0, &ioh))
-		return;
-
-	/* select and read register 0 */
-	bus_space_write_1(iot, ioh, 0, 0);
-	reg0 = bus_space_read_1(iot, ioh, 1);
-
-	/* write back with IDE enabled flag set, and do it twice!  */
-	bus_space_write_1(iot, ioh, 0, 0);
-	bus_space_write_1(iot, ioh, 1, reg0 | SIOC_IDE_ENABLE);
-	bus_space_write_1(iot, ioh, 1, reg0 | SIOC_IDE_ENABLE);
-
-	bus_space_unmap(iot, ioh, SIOC_NPORTS);
-}