From ddc6e8e6ad14a3970582edf160b8463ad8662460 Mon Sep 17 00:00:00 2001
From: bjh21 <bjh21@NetBSD.org>
Date: Fri, 15 Jun 2001 00:28:01 +0000
Subject: [PATCH] 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.

---
 sys/dev/podulebus/if_eareg.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/sys/dev/podulebus/if_eareg.h b/sys/dev/podulebus/if_eareg.h
index ea081ca247be..6971e81f5022 100644
--- a/sys/dev/podulebus/if_eareg.h
+++ b/sys/dev/podulebus/if_eareg.h
@@ -1,4 +1,4 @@
-/* $NetBSD: if_eareg.h,v 1.2 2001/03/25 01:08:56 bjh21 Exp $ */
+/* $NetBSD: if_eareg.h,v 1.3 2001/06/15 00:28:01 bjh21 Exp $ */
 
 /*
  * Copyright (c) 1995 Mark Brinicombe
@@ -39,6 +39,17 @@
  * 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