New patch to review for coreboot: 1315b60 bg4cd: add uart driver skeleton

[Patrick Georgi]

Patrick Georgi ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9352

-gerrit

commit 1315b60dc975aecab84b3f7803cec92d18b35977
Author: Vadim Bendebury 
Date:   Wed Oct 15 16:13:45 2014 -0700

bg4cd: add uart driver skeleton

This adds the file to be filled up with the uart driver implementation
    for bg4cd.

The console driver structure when required is provided by
    src/console/uart_wrapper.c.

BRANCH=none
    BUG=chrome-os-partner:32772
    TEST=none yet, this file is not event being compiled

Change-Id: I9bf02f9d8e253764faa3a3b0424736cba66a8cda
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 99b13bf9da92c772621094e5da31277362388b1f
    Original-Change-Id: I73c12ddcd6f5099cc2196820452e714eeb736cdc
    Original-Signed-off-by: Vadim Bendebury 
    Original-Reviewed-on: https://chromium-review.googlesource.com/223595
    Original-Reviewed-by: Aaron Durbin 
---
 src/soc/marvell/bg4cd/uart.c | 47 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/src/soc/marvell/bg4cd/uart.c b/src/soc/marvell/bg4cd/uart.c
new file mode 100644
index 0000000..3de37c0
--- /dev/null
+++ b/src/soc/marvell/bg4cd/uart.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <uart.h>
+
+void uart_init(void)
+{
+}
+
+void uart_tx_byte(unsigned char data)
+{
+}
+
+int uart_can_rx_byte(void)
+{
+	return 0;
+}
+
+void uart_tx_flush(void)
+{
+}
+
+unsigned char uart_rx_byte(void)
+{
+	return '\0';
+}
+
+/* Not really needed on this chip, but helps to keep coreboot table happy. */
+u32 uartmem_getbaseaddr(void)
+{
+	return 0;
+}