1 files changed, 58 insertions, 0 deletions

diff --git a/firmware/target/sh/archos/ondio/usb-ondio.c b/firmware/target/sh/archos/ondio/usb-ondio.c
new file mode 100644
index 0000000000..7c09bf3877
--- /dev/null
+++ b/firmware/target/sh/archos/ondio/usb-ondio.c
@@ -0,0 +1,58 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2007 by Jens Arnold
+ *
+ * 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 "adc.h"
+#include "ata_mmc.h"
+#include "cpu.h"
+#include "hwcompat.h"
+#include "system.h"
+
+bool usb_detect(void)
+{
+    return (adc_read(ADC_USB_POWER) <= 512) ? true : false;
+}
+
+void usb_enable(bool on)
+{
+    if (on)
+    {
+        mmc_enable_int_flash_clock(!mmc_detect());
+
+        if (!(read_hw_mask() & MMC_CLOCK_POLARITY))
+            and_b(~0x20, &PBDRH); /* old circuit needs SCK1 = low while on USB */
+        or_b(0x20, &PADRL); /* enable USB */
+        and_b(~0x08, &PADRL); /* assert card detect */
+    }
+    else
+    {
+        if (!(read_hw_mask() & MMC_CLOCK_POLARITY))
+            or_b(0x20, &PBDRH); /* reset SCK1 = high for old circuit */
+        and_b(~0x20, &PADRL); /* disable USB */
+        or_b(0x08, &PADRL); /* deassert card detect */
+    }
+}
+
+void usb_init_device(void)
+{
+    PACR2 &= ~0x04C0;     /* use PA3 (card detect) and PA5 (USB enabled) as GPIO */
+    and_b(~0x20, &PADRL); /* disable USB */
+    or_b(0x08, &PADRL);   /* deassert card detect */
+    or_b(0x28, &PAIORL);  /* output for USB enable and card detect */
+}