[src/nathanw_sa]: src/sys/dev/podulebus I've got an 8-bit Ether3, so I've dis...

[bjh21 <bjh21%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/aaeb533bc384
branches:  nathanw_sa
changeset: 504778:aaeb533bc384
user:      bjh21 <bjh21%NetBSD.org@localhost>
date:      Fri Jun 15 00:28:02 2001 +0000

description:
I've got an 8-bit Ether3, so I've discovered that the address mapping is
non-linear.  Comment it here so I don't forget.

diffstat:

 sys/dev/podulebus/if_eareg.h |  56 ++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 56 insertions(+), 0 deletions(-)

diffs (60 lines):

diff -r 4694b88007fc -r aaeb533bc384 sys/dev/podulebus/if_eareg.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/podulebus/if_eareg.h      Fri Jun 15 00:28:02 2001 +0000
@@ -0,0 +1,56 @@
+/* $NetBSD: if_eareg.h,v 1.3.8.2 2001/06/15 00:28:02 bjh21 Exp $ */
+
+/*
+ * Copyright (c) 1995 Mark Brinicombe
+ * 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 Mark Brinicombe.
+ * 4. The name of the company nor the name of the author may 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 OR CONTRIBUTORS 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.
+ */
+/*
+ * if_eareg.h - Ether3 device driver
+ */
+
+/*
+ * Atomwide Ether3 Register Definitions
+ */
+
+/*
+ * The 8005 (or 80C04 or 80C04A) in an Ether3 is wired up as follows:
+ * A0 -- LA[2]
+ * A1 -- LA[6]
+ * A2 -- LA[7]
+ * A3 -- LA[8]
+ *
+ * Happily, we can ignore A0 in 16-bit mode, but it'll come back to bite
+ * us on 8-bit versions.
+ */
+
+#define EA_8005_BASE   0x000
+#define EA_8005_SHIFT  5
+
+/* End of if_eareg.h */