Add Lenovo ThinkPad T60

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6530 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 78 insertions, 0 deletions

diff --git a/src/mainboard/lenovo/t60/mainboard_smi.c b/src/mainboard/lenovo/t60/mainboard_smi.c
new file mode 100644
index 0000000000..5e0f6a98b0
--- /dev/null
+++ b/src/mainboard/lenovo/t60/mainboard_smi.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * 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 <arch/io.h>
+#include <arch/romcc_io.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include "southbridge/intel/i82801gx/nvs.h"
+#include <ec/acpi/ec.h>
+#include "dock.h"
+#include "smi.h"
+
+/* The southbridge SMI handler checks whether gnvs has a
+ * valid pointer before calling the trap handler
+ */
+extern global_nvs_t *gnvs;
+
+static void mainboard_smm_init(void)
+{
+	printk(BIOS_DEBUG, "initializing SMI\n");
+	/* Enable 0x1600/0x1600 register pair */
+	ec_set_bit(0x00, 0x05);
+	ec_set_ports(0x1604, 0x1600);
+}
+
+int mainboard_io_trap_handler(int smif)
+{
+	static int smm_initialized;
+
+	if (!smm_initialized) {
+		mainboard_smm_init();
+		smm_initialized = 1;
+	}
+
+	switch (smif) {
+	case SMI_DOCK_CONNECT:
+		dlpc_init();
+		if (!dock_connect()) {
+			/* set dock LED to indicate status */
+			ec_write(0x0c, 0x88);
+		} else {
+			/* blink dock LED to indicate failure */
+			ec_write(0x0c, 0xc8);
+		}
+		break;
+
+	case SMI_DOCK_DISCONNECT:
+		dock_disconnect();
+		ec_write(0x0c, 0x08);
+		break;
+
+	default:
+		return 1;
+	}
+
+	/* On success, the IO Trap Handler returns 0
+	 * On failure, the IO Trap Handler returns a value != 0 */
+	return 0;
+}
+