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>

4 files changed, 199 insertions, 0 deletions

diff --git a/src/superio/nuvoton/nct5104d/Makefile.inc b/src/superio/nuvoton/nct5104d/Makefile.inc
new file mode 100755
index 0000000000..b9345aa18d
--- /dev/null
+++ b/src/superio/nuvoton/nct5104d/Makefile.inc
@@ -0,0 +1,23 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2011 - 2012 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
+##
+
+romstage-$(CONFIG_SUPERIO_NUVOTON_NCT5104D) += early_init.c
+ramstage-$(CONFIG_SUPERIO_NUVOTON_NCT5104D) += superio.c
+
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);
+}
diff --git a/src/superio/nuvoton/nct5104d/nct5104d.h b/src/superio/nuvoton/nct5104d/nct5104d.h
new file mode 100755
index 0000000000..2f833afde9
--- /dev/null
+++ b/src/superio/nuvoton/nct5104d/nct5104d.h
@@ -0,0 +1,40 @@
+/*
+ * 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
+ */
+
+#ifndef SUPERIO_NUVOTON_NCT5104D_NCT5104D_H
+#define SUPERIO_NUVOTON_NCT5104D_NCT5104D_H
+
+/* Logical Device Numbers (LDN). */
+#define NCT5104D_SP1  0x02 /* Com1 */
+#define NCT5104D_SP2  0x03 /* Com2 */
+#define NCT5104D_GPIO_WDT 0x08 /* GPIO WDT Interface */
+#define NCT5104D_GPIO_PP_OD 0xF /* GPIO Push-Pull / Open drain select  */
+
+/* Virtual Logical Device Numbers (LDN) */
+#define NCT5104D_GPIO_V 0x07 /* GPIO - 0,1,6 Interface */
+
+/* Virtual devices sharing the enables are encoded as follows:
+	VLDN = baseLDN[7:0] | [10:8] bitpos of enable in 0x30 of baseLDN
+*/
+#define NCT5104D_GPIO0 ((0 << 8) | NCT5104D_GPIO_V)
+#define NCT5104D_GPIO1 ((1 << 8) | NCT5104D_GPIO_V)
+#define NCT5104D_GPIO6 ((6 << 8) | NCT5104D_GPIO_V)
+
+#endif
diff --git a/src/superio/nuvoton/nct5104d/superio.c b/src/superio/nuvoton/nct5104d/superio.c
new file mode 100755
index 0000000000..3c78cbcec9
--- /dev/null
+++ b/src/superio/nuvoton/nct5104d/superio.c
@@ -0,0 +1,89 @@
+/*
+ * 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 <device/pnp.h>
+#include <stdlib.h>
+#include "nct5104d.h"
+
+static void pnp_enter_exteded_mode(device_t dev)
+{
+	outb(0x87,dev->path.pnp.port);
+	outb(0x87,dev->path.pnp.port);
+}
+
+static void pnp_exit_extended_mode(device_t dev)
+{
+	outb(0xaa,dev->path.pnp.port);
+}
+
+static void nct5104d_init(device_t dev)
+{
+}
+
+static void nct5104d_pnp_set_resources(device_t dev)
+{
+	pnp_enter_exteded_mode(dev);
+	pnp_set_resources(dev);
+	pnp_exit_extended_mode(dev);
+}
+
+static void nct5104d_pnp_enable_resources(device_t dev)
+{
+	pnp_enter_exteded_mode(dev);
+	pnp_enable_resources(dev);
+	pnp_exit_extended_mode(dev);
+}
+
+static void nct5104d_pnp_enable(device_t dev)
+{
+	pnp_enter_exteded_mode(dev);
+	pnp_set_logical_device(dev);
+	(dev->enabled) ? pnp_set_enable(dev,1) : pnp_set_enable(dev,0);
+	pnp_exit_extended_mode(dev);
+}
+
+static struct device_operations ops = {
+	.read_resources   = pnp_read_resources,
+	.set_resources    = nct5104d_pnp_set_resources,
+	.enable_resources = nct5104d_pnp_enable_resources,
+	.enable           = nct5104d_pnp_enable,
+	.init             = nct5104d_init,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+	{ &ops, NCT5104D_SP2,  PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+	{ &ops, NCT5104D_SP1,  PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+	{ &ops, NCT5104D_GPIO_WDT},
+	{ &ops, NCT5104D_GPIO_PP_OD},
+	{ &ops, NCT5104D_GPIO0},
+	{ &ops, NCT5104D_GPIO1},
+	{ &ops, NCT5104D_GPIO6},
+};
+
+static void enable_dev(struct device *dev)
+{
+	pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_nuvoton_nct5104d_ops = {
+	CHIP_NAME("NUVOTON NCT5104D Super I/O")
+	.enable_dev = enable_dev,
+};