lenovo/t420s: Add new port.

This is based on x220 and t520. Tested on i7 model with usb3.
There is no support for nvidia gpu and optimus.

Change-Id: I6ca9436ccec3024095d02078e5e450147841e463
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/7974
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-by: Peter Stuge <peter@stuge.se>

1 files changed, 80 insertions, 0 deletions

diff --git a/src/mainboard/lenovo/t420s/mainboard.c b/src/mainboard/lenovo/t420s/mainboard.c
new file mode 100644
index 0000000000..698301d866
--- /dev/null
+++ b/src/mainboard/lenovo/t420s/mainboard.c
@@ -0,0 +1,80 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011-2012 Google Inc.
+ * Copyright (C) 2014 Vladimir Serbinenko
+ *
+ * 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 <types.h>
+#include <string.h>
+#include <device/device.h>
+#include <device/pci_def.h>
+#include <device/pci_ops.h>
+#include <console/console.h>
+#include <drivers/intel/gma/int15.h>
+#include <arch/acpi.h>
+#include <southbridge/intel/bd82x6x/pch.h>
+#include <smbios.h>
+#include <device/pci.h>
+#include <pc80/keyboard.h>
+#include <ec/lenovo/h8/h8.h>
+#include <version.h>
+
+void mainboard_suspend_resume(void)
+{
+	/* Call SMM finalize() handlers before resume */
+	outb(0xcb, 0xb2);
+}
+
+const char *smbios_mainboard_bios_version(void)
+{
+	static char *s = NULL;
+
+	/* Satisfy thinkpad_acpi.  */
+	if (strlen(CONFIG_LOCALVERSION))
+		return "CBET4000 " CONFIG_LOCALVERSION;
+
+	if (s != NULL)
+		return s;
+	s = strconcat("CBET4000 ", coreboot_version);
+	return s;
+}
+
+static void mainboard_init(device_t dev)
+{
+	/* init spi */
+	RCBA32(0x38c8) = 0x00002005;
+	RCBA32(0x38c4) = 0x00802005;
+	RCBA32(0x38c0) = 0x00000007;
+
+	pc_keyboard_init();
+}
+
+static void mainboard_enable(device_t dev)
+{
+	dev->ops->init = mainboard_init;
+
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
+}
+
+void h8_mainboard_init_dock(void)
+{
+}
+
+struct chip_operations mainboard_ops = {
+	.enable_dev = mainboard_enable,
+};