1 files changed, 56 insertions, 0 deletions

diff --git a/firmware/target/coldfire/iriver/h300/usb-h300.c b/firmware/target/coldfire/iriver/h300/usb-h300.c
new file mode 100644
index 0000000000..d08cc24dba
--- /dev/null
+++ b/firmware/target/coldfire/iriver/h300/usb-h300.c
@@ -0,0 +1,56 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include <stdbool.h>
+#include "cpu.h"
+#include "system.h"
+#include "kernel.h"
+
+void usb_init_device(void)
+{
+    or_l(0x00000080, &GPIO1_FUNCTION); /* GPIO39 is the USB detect input */
+    /* ISD300 3.3V ON */
+    or_l(8,&GPIO1_FUNCTION);
+    or_l(8,&GPIO1_OUT);
+    or_l(8,&GPIO1_ENABLE);
+
+    /* Tristate the SCK/SDA to the ISD300 config EEPROM */
+    and_l(~0x03000000, &GPIO_ENABLE);
+    or_l(0x03000000, &GPIO_FUNCTION);
+}
+
+bool usb_detect(void)
+{
+    return (GPIO1_READ & 0x80)?true:false;
+}
+
+void usb_enable(bool on)
+{
+    if(on)
+    {
+        /* Power on the Cypress chip */
+        and_l(~0x00000008,&GPIO1_OUT);
+        sleep(2);
+    }
+    else
+    {
+        /* Power off the Cypress chip */
+        or_l(0x00000008,&GPIO1_OUT);
+    }
+}