1 files changed, 63 insertions, 0 deletions
diff --git a/u-boot/board/goldelico/gta04/shutdown.c b/u-boot/board/goldelico/gta04/shutdown.c
new file mode 100644
index 0000000..1ebe661
--- /dev/null
+++ b/u-boot/board/goldelico/gta04/shutdown.c
@@ -0,0 +1,63 @@
+/* u-boot driver for the GTA04 shutdown
+ *
+ * Copyright (C) 2010 by Golden Delicious Computers GmbH&Co. KG
+ * Author: H. Nikolaus Schaller <hns@goldelico.com>
+ * All rights reserved.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/gpio.h>
+#include <asm/mach-types.h>
+#include <twl4030.h>
+#include "shutdown.h"
+
+void shutdown(void)
+{
+	u8 val = 0;
+	if(i2c_set_bus_num(0))
+		{
+		printf ("could not select I2C1\n");
+		return;
+		}
+	printf("shutting down by writing DEVOFF register of TPS65950\n");
+	if (twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, &val,
+							TWL4030_PM_MASTER_P1_SW_EVENTS)) {
+		printf("Error:TWL4030: failed to read the power register\n");
+		printf("Could not initialize hardware reset\n");
+	} else {
+		val |= TWL4030_PM_MASTER_SW_EVENTS_DEVOFF;
+		if (twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, val,
+								 TWL4030_PM_MASTER_P1_SW_EVENTS)) {
+			printf("Error:TWL4030: failed to write the power register\n");
+			printf("Could not initialize hardware reset\n");
+		}
+	}
+	// CHECKME: do we have to write PM_MASTER_P2 and _P3?
+}
+
+void suspend(void)
+{
+	// enable the AUX button interrupt for Wakeup
+	// suspend (sleep) the CPU
+	// the TPS should remain powered on
+}