Add new superio device

- Added in new support for Nuvoton NCT5104D LPC device.

Change-Id: I0af8c5e3e46fdd0a549475b30917897ae9e144a7
Signed-off-by: Steven Sherk <steven.sherk@se-eng.com>
Reviewed-on: http://review.coreboot.org/3072
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/superio/nuvoton/nct5104d/early_init.c b/src/superio/nuvoton/nct5104d/early_init.c
new file mode 100755
index 0000000000..9c0cf0fad4
--- /dev/null
+++ b/src/superio/nuvoton/nct5104d/early_init.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <arch/io.h>
+#include <arch/romcc_io.h>
+#include <device/pnp_def.h>
+#include "nct5104d.h"
+
+static void pnp_enter_extended_mode(device_t dev)
+{
+	u16 port = dev >> 8;
+	outb(0x87,port);
+	outb(0x87,port);
+}
+
+static void pnp_exit_extended_mode(device_t dev)
+{
+	u16 port = dev >> 8;
+	outb(0xaa,port);
+}
+
+static void nct5104d_enable_serial(device_t dev, u16 iobase)
+{
+	pnp_enter_extended_mode(dev);
+	pnp_set_logical_device(dev);
+	pnp_set_enable(dev,0);
+	pnp_set_iobase(dev,PNP_IDX_IO0, iobase);
+	pnp_set_enable(dev,1);
+	pnp_exit_extended_mode(dev);
+}