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-rw-r--r--sys/dev/ic/ns16550.h3
-rw-r--r--sys/dev/ic/ns16550reg.h3
2 files changed, 4 insertions, 2 deletions
diff --git a/sys/dev/ic/ns16550.h b/sys/dev/ic/ns16550.h
index 489d451feee..d5f64f63ca6 100644
--- a/sys/dev/ic/ns16550.h
+++ b/sys/dev/ic/ns16550.h
@@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)ns16550.h 7.1 (Berkeley) 5/9/91
- * $Id: ns16550.h,v 1.2 1993/05/22 08:02:01 cgd Exp $
+ * $Id: ns16550.h,v 1.3 1993/06/30 04:04:24 andrew Exp $
*/
/*
@@ -49,3 +49,4 @@
#define com_mcr 4 /* modem control register (R/W) */
#define com_lsr 5 /* line status register (R/W) */
#define com_msr 6 /* modem status register (R/W) */
+#define com_scratch 7 /* scratch register (R/W) */
diff --git a/sys/dev/ic/ns16550reg.h b/sys/dev/ic/ns16550reg.h
index 9448c5b74ab..43908fc0f4f 100644
--- a/sys/dev/ic/ns16550reg.h
+++ b/sys/dev/ic/ns16550reg.h
@@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)ns16550.h 7.1 (Berkeley) 5/9/91
- * $Id: ns16550reg.h,v 1.2 1993/05/22 08:02:01 cgd Exp $
+ * $Id: ns16550reg.h,v 1.3 1993/06/30 04:04:24 andrew Exp $
*/
/*
@@ -49,3 +49,4 @@
#define com_mcr 4 /* modem control register (R/W) */
#define com_lsr 5 /* line status register (R/W) */
#define com_msr 6 /* modem status register (R/W) */
+#define com_scratch 7 /* scratch register (R/W) */