[src/trunk]: src/sys/arch/luna68k/stand/boot Add comments and remove nonexist...

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

details:   https://anonhg.NetBSD.org/src/rev/80bed1b2178d
branches:  trunk
changeset: 376615:80bed1b2178d
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Sat Jun 24 08:00:52 2023 +0000

description:
Add comments and remove nonexistent status registers.

diffstat:

 sys/arch/luna68k/stand/boot/sioreg.h |  11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)

diffs (30 lines):

diff -r c5fb862ad1d4 -r 80bed1b2178d sys/arch/luna68k/stand/boot/sioreg.h
--- a/sys/arch/luna68k/stand/boot/sioreg.h      Sat Jun 24 07:45:36 2023 +0000
+++ b/sys/arch/luna68k/stand/boot/sioreg.h      Sat Jun 24 08:00:52 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sioreg.h,v 1.5 2023/03/28 20:01:57 andvar Exp $        */
+/*     $NetBSD: sioreg.h,v 1.6 2023/06/24 08:00:52 tsutsui Exp $       */
 
 /*
  * Copyright (c) 1992 OMRON Corporation.
@@ -98,17 +98,14 @@ struct siodevice {
 #define WR6            0x06
 #define WR7            0x07
 
-#define WR2A           0x02
-#define WR2B           0x12
+#define WR2A           0x02    /* on channel A */
+#define WR2B           0x12    /* on channel B */
 
 #define RR0            0x08
 #define RR1            0x09
 #define RR2            0x0A
-#define RR3            0x0B
-#define RR4            0x0C
 
-#define RR2A           0x0A
-#define RR2B           0x1A
+#define RR2B           0x1A    /* only on channel B */
 
 #define WR0_NOP                0x00    /* No Operation */
 #define WR0_SNDABRT    0x08    /* Send Abort (HDLC) */