5 files changed, 213 insertions, 0 deletions
diff --git a/src/superio/smsc/sio1036/Kconfig b/src/superio/smsc/sio1036/Kconfig
new file mode 100644
index 0000000000..df519de71b
--- /dev/null
+++ b/src/superio/smsc/sio1036/Kconfig
@@ -0,0 +1,18 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2009 Ronald G. Minnich
+## Copyright (C) 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; 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.
+##
+
+config SUPERIO_SMSC_SIO1036
+	bool
diff --git a/src/superio/smsc/sio1036/Makefile.inc b/src/superio/smsc/sio1036/Makefile.inc
new file mode 100644
index 0000000000..e9fdae2dc8
--- /dev/null
+++ b/src/superio/smsc/sio1036/Makefile.inc
@@ -0,0 +1,18 @@
+#
+# This file is part of the coreboot project.
+#
+# Copyright (C) 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; 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.
+#
+
+bootblock-$(CONFIG_SUPERIO_SMSC_SIO1036) += sio1036_early_init.c
+romstage-$(CONFIG_SUPERIO_SMSC_SIO1036) += sio1036_early_init.c
+ramstage-$(CONFIG_SUPERIO_SMSC_SIO1036) += superio.c
diff --git a/src/superio/smsc/sio1036/sio1036.h b/src/superio/smsc/sio1036/sio1036.h
new file mode 100644
index 0000000000..610beba59c
--- /dev/null
+++ b/src/superio/smsc/sio1036/sio1036.h
@@ -0,0 +1,30 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 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; 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.
+ */
+
+#ifndef SUPERIO_SMSC_SIO1306_H
+#define SUPERIO_SMSC_SIO1306_H
+
+#define SIO1036_SP1		0 /* Com1 */
+
+#define UART_POWER_DOWN		(1 << 7)
+#define LPT_POWER_DOWN		(1 << 2)
+#define IR_OUTPUT_MUX		(1 << 6)
+
+#include <device/pnp_type.h>
+#include <stdint.h>
+
+void sio1036_enable_serial(pnp_devfn_t dev, u16 iobase);
+
+#endif /* SUPERIO_SMSC_SIO1306_H */
diff --git a/src/superio/smsc/sio1036/sio1036_early_init.c b/src/superio/smsc/sio1036/sio1036_early_init.c
new file mode 100644
index 0000000000..26a2a3eb4b
--- /dev/null
+++ b/src/superio/smsc/sio1036/sio1036_early_init.c
@@ -0,0 +1,95 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 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; 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.
+ */
+
+/* Pre-RAM driver for the SMSC KBC1100 Super I/O chip */
+
+#include <arch/io.h>
+#include <device/pnp_ops.h>
+#include <stdint.h>
+
+#include "sio1036.h"
+
+static inline void sio1036_enter_conf_state(pnp_devfn_t dev)
+{
+	u8 port = dev >> 8;
+	outb(0x55, port);
+}
+
+static inline void sio1036_exit_conf_state(pnp_devfn_t dev)
+{
+	u8 port = dev >> 8;
+	outb(0xaa, port);
+}
+
+/* Detect SMSC SIO1036 LPC Debug Card status */
+static u8 detect_sio1036_chip(unsigned int port)
+{
+	pnp_devfn_t dev = PNP_DEV(port, SIO1036_SP1);
+	u8 data;
+
+	sio1036_enter_conf_state(dev);
+	data = pnp_read_config(dev, 0x0D);
+	sio1036_exit_conf_state(dev);
+
+	/* Detect SMSC SIO1036 chip */
+	if (data == 0x82) {
+		/* Found SMSC SIO1036 chip */
+		return 0;
+	} else {
+		return 1;
+	};
+}
+
+void sio1036_enable_serial(pnp_devfn_t dev, u16 iobase)
+{
+	unsigned int port = dev >> 8;
+
+	if (detect_sio1036_chip(port) != 0)
+		return;
+
+	sio1036_enter_conf_state(dev);
+
+	/* Enable SMSC UART 0 */
+	/* Valid configuration cycle */
+	pnp_write_config(dev, 0x00, 0x28);
+
+	/* PP power/mode/cr lock */
+	pnp_write_config(dev, 0x01, 0x98 | LPT_POWER_DOWN);
+	pnp_write_config(dev, 0x02, 0x08 | UART_POWER_DOWN);
+
+	/*Auto power management*/
+	pnp_write_config(dev, 0x07, 0x00);
+
+	/*ECP FIFO threhod */
+	pnp_write_config(dev, 0x0A, 0x00 | IR_OUTPUT_MUX);
+
+	/*GPIO direction register 2 */
+	pnp_write_config(dev, 0x033, 0x00);
+
+	/*UART Mode */
+	pnp_write_config(dev, 0x0C, 0x02);
+
+	/* GPIO polarity regisgter 2 */
+	pnp_write_config(dev, 0x034, 0x00);
+
+	/* Enable SMSC UART 0 */
+	/*Set base io address */
+	pnp_write_config(dev, 0x25, (u8)(iobase >> 2));
+
+	/* Set UART IRQ onto 0x04 */
+	pnp_write_config(dev, 0x28, 0x04);
+
+	sio1036_exit_conf_state(dev);
+}
diff --git a/src/superio/smsc/sio1036/superio.c b/src/superio/smsc/sio1036/superio.c
new file mode 100644
index 0000000000..dc8a5515a5
--- /dev/null
+++ b/src/superio/smsc/sio1036/superio.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 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; 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.
+ */
+
+/* RAM driver for the SMSC SIO1036 Super I/O chip */
+
+#include <device/device.h>
+#include <device/pnp.h>
+#include <superio/conf_mode.h>
+#include <stdlib.h>
+
+#include "sio1036.h"
+
+static void sio1036_init(struct device *dev)
+{
+	if (!dev->enabled)
+		return;
+}
+
+static struct device_operations ops = {
+	.read_resources   = pnp_read_resources,
+	.set_resources    = pnp_set_resources,
+	.enable_resources = pnp_enable_resources,
+	.enable           = pnp_alt_enable,
+	.init             = sio1036_init,
+	.ops_pnp_mode     = &pnp_conf_mode_55_aa,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+	{ NULL, SIO1036_SP1,  PNP_IO0 | PNP_IRQ0, 0x07f8, },
+};
+
+static void enable_dev(struct device *dev)
+{
+	pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_smsc_sio1036_ops = {
+	CHIP_NAME("SMSC SIO1036 Super I/O")
+	.enable_dev = enable_dev
+};