libpayload: Add drivers for bg4cd

BUG=chrome-os-partner:32772
BRANCH=none
TEST=Built chromeos-bootimage
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>

Change-Id: I15cb40532855c89f6fb959652a7e874897eb45bb
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 8f8419fe22cf39d827e566b8f4dbe0680e4106a1
Original-Change-Id: I97f2ac8ffc7232c7a6c6d40deb8a35630d3d62a7
Original-Reviewed-on: https://chromium-review.googlesource.com/222662
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: http://review.coreboot.org/9360
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/payloads/libpayload/drivers/serial/bg4cd.c b/payloads/libpayload/drivers/serial/bg4cd.c
new file mode 100644
index 0000000000..9dfa996b39
--- /dev/null
+++ b/payloads/libpayload/drivers/serial/bg4cd.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Electronics
+ *
+ * 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 <libpayload-config.h>
+#include <libpayload.h>
+
+void serial_putchar(unsigned int c)
+{
+}
+
+int serial_havechar(void)
+{
+	return 0;
+}
+
+int serial_getchar(void)
+{
+	return 0;
+}
+
+static struct console_input_driver consin = {
+	.havekey = &serial_havechar,
+	.getchar = &serial_getchar
+};
+
+static struct console_output_driver consout = {
+	.putchar = &serial_putchar
+};
+
+void serial_console_init(void)
+{
+	console_add_input_driver(&consin);
+	console_add_output_driver(&consout);
+}