3 files changed, 143 insertions, 1 deletions

diff --git a/sys/dev/ep/elink.c b/sys/dev/ep/elink.c
new file mode 100644
index 000000000000..b233b7ade8a6
--- /dev/null
+++ b/sys/dev/ep/elink.c
@@ -0,0 +1,98 @@
+/*	$NetBSD: elink.c,v 1.6 1995/01/07 21:37:54 mycroft Exp $	*/
+
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
+ * Copyright (c) 1994, 1995 Charles Hannum.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Charles Hannum.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * Common code for dealing with 3COM ethernet cards.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+
+#include <machine/cpufunc.h>
+
+#include <dev/ep/elink.h>
+
+/*
+ * Issue a `global reset' to all cards, and reset the ID state machines.  We
+ * have to be careful to do the global reset only once during autoconfig, to
+ * prevent resetting boards that have already been configured.
+ */
+void
+elink_reset()
+{
+	static int x = 0;
+
+	if (x == 0) {
+		x = 1;
+		outb(ELINK_ID_PORT, ELINK_RESET);
+	}
+	outb(ELINK_ID_PORT, 0x00);
+	outb(ELINK_ID_PORT, 0x00);
+
+	return;
+}
+
+/*
+ * The `ID sequence' is really just snapshots of an 8-bit CRC register as 0
+ * bits are shifted in.  Different board types use different polynomials.
+ */
+void
+elink_idseq(u_char p)
+{
+	int i;
+	u_char c;
+
+	c = 0xff;
+	for (i = 255; i; i--) {
+		outb(ELINK_ID_PORT, c);
+		if (c & 0x80) {
+			c <<= 1;
+			c ^= p;
+		} else
+			c <<= 1;
+	}
+}
+
+static moduledata_t elink_mod = {
+	"elink",/* module name */
+	NULL,	/* event handler */
+	0	/* extra data */
+};
+
+DECLARE_MODULE(elink, elink_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
+MODULE_VERSION(elink, 1);
diff --git a/sys/dev/ep/elink.h b/sys/dev/ep/elink.h
new file mode 100644
index 000000000000..1a78bd41d340
--- /dev/null
+++ b/sys/dev/ep/elink.h
@@ -0,0 +1,44 @@
+/*	$NetBSD: elink.h,v 1.3 1994/10/27 04:17:11 cgd Exp $	*/
+
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
+ * Copyright (c) 1994 Charles Hannum.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Charles Hannum.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#define	ELINK_ID_PORT	0x100
+#define	ELINK_RESET	0xc0
+
+#define	ELINK_507_POLY	0xe7
+#define	ELINK_509_POLY	0xcf
+#define	TLINK_619_POLY	0x63
+
+void elink_reset(void);
+void elink_idseq(u_char p);
diff --git a/sys/dev/ep/if_ep_isa.c b/sys/dev/ep/if_ep_isa.c
index 6e858edf85f9..32ed8e2db88d 100644
--- a/sys/dev/ep/if_ep_isa.c
+++ b/sys/dev/ep/if_ep_isa.c
@@ -54,7 +54,7 @@ __FBSDID("$FreeBSD$");
 #include <dev/ep/if_epvar.h>
 
 #ifdef __i386__
-#include <i386/isa/elink.h>
+#include <dev/ep/elink.h>
 #endif
 
 #ifdef __i386__