[src/trunk]: src/sys/dev/ic Add COM_TYPE_BCMAUXUART type for BCM2835 AUX UART.

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

details:   https://anonhg.NetBSD.org/src/rev/621942e5ee12
branches:  trunk
changeset: 825801:621942e5ee12
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Mon Jul 31 09:25:14 2017 +0000

description:
Add COM_TYPE_BCMAUXUART type for BCM2835 AUX UART.

diffstat:

 sys/dev/ic/com.c    |  12 ++++++++++--
 sys/dev/ic/comvar.h |   3 ++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diffs (50 lines):

diff -r 9968ea9e3d99 -r 621942e5ee12 sys/dev/ic/com.c
--- a/sys/dev/ic/com.c  Mon Jul 31 06:41:01 2017 +0000
+++ b/sys/dev/ic/com.c  Mon Jul 31 09:25:14 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: com.c,v 1.339 2016/05/27 20:01:49 bouyer Exp $ */
+/* $NetBSD: com.c,v 1.340 2017/07/31 09:25:14 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 1998, 1999, 2004, 2008 The NetBSD Foundation, Inc.
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: com.c,v 1.339 2016/05/27 20:01:49 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: com.c,v 1.340 2017/07/31 09:25:14 jmcneill Exp $");
 
 #include "opt_com.h"
 #include "opt_ddb.h"
@@ -475,6 +475,14 @@
                CSR_WRITE_1(regsp, COM_REG_FIFO,
                    FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST | FIFO_TRIGGER_1);
                goto fifodelay;
+
+       case COM_TYPE_BCMAUXUART:
+               sc->sc_fifolen = 8;
+               fifo_msg = "BCM AUX UART, working fifo";
+               SET(sc->sc_hwflags, COM_HW_FIFO);
+               CSR_WRITE_1(regsp, COM_REG_FIFO,
+                   FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST | FIFO_TRIGGER_1);
+               goto fifodelay;
        }
 
        sc->sc_fifolen = 1;
diff -r 9968ea9e3d99 -r 621942e5ee12 sys/dev/ic/comvar.h
--- a/sys/dev/ic/comvar.h       Mon Jul 31 06:41:01 2017 +0000
+++ b/sys/dev/ic/comvar.h       Mon Jul 31 09:25:14 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: comvar.h,v 1.82 2016/05/27 20:01:49 bouyer Exp $       */
+/*     $NetBSD: comvar.h,v 1.83 2017/07/31 09:25:14 jmcneill Exp $     */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
@@ -247,6 +247,7 @@
 #define        COM_TYPE_16550_NOERS    5       /* like a 16550, no ERS */
 #define        COM_TYPE_INGENIC        6       /* JZ4780 built-in */
 #define        COM_TYPE_TEGRA          7       /* NVIDIA Tegra built-in */
+#define        COM_TYPE_BCMAUXUART     8       /* BCM2835 AUX UART */
 
        /* power management hooks */
        int (*enable)(struct com_softc *);