From 8f186803a53a907431e428355dc355996c77f9e7 Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Wed, 22 Mar 2006 11:06:45 +0000
Subject: USB mode for iAudio X5

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9179 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/SOURCES                                |  1 +
 firmware/target/coldfire/iaudio/x5/usb-target.h | 24 +++++++++++++
 firmware/target/coldfire/iaudio/x5/usb-x5.c     | 46 +++++++++++++++++++++++++
 firmware/usb.c                                  |  7 ++++
 4 files changed, 78 insertions(+)
 create mode 100755 firmware/target/coldfire/iaudio/x5/usb-target.h
 create mode 100755 firmware/target/coldfire/iaudio/x5/usb-x5.c

diff --git a/firmware/SOURCES b/firmware/SOURCES
index 6b80c5ee17..e99657c6f8 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -211,5 +211,6 @@ target/coldfire/iaudio/x5/pcf50606-x5.c
 target/coldfire/iaudio/x5/adc-x5.c
 target/coldfire/iaudio/x5/ata-x5.c
 target/coldfire/iaudio/x5/system-x5.c
+target/coldfire/iaudio/x5/usb-x5.c
 #endif
 #endif
diff --git a/firmware/target/coldfire/iaudio/x5/usb-target.h b/firmware/target/coldfire/iaudio/x5/usb-target.h
new file mode 100755
index 0000000000..ab8cac6f99
--- /dev/null
+++ b/firmware/target/coldfire/iaudio/x5/usb-target.h
@@ -0,0 +1,24 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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.
+ *
+ ****************************************************************************/
+#ifndef USB_TARGET_H
+#define USB_TARGET_H
+
+bool usb_init_device(void);
+
+#endif
diff --git a/firmware/target/coldfire/iaudio/x5/usb-x5.c b/firmware/target/coldfire/iaudio/x5/usb-x5.c
new file mode 100755
index 0000000000..4f305010e2
--- /dev/null
+++ b/firmware/target/coldfire/iaudio/x5/usb-x5.c
@@ -0,0 +1,46 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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"
+
+void usb_init_device(void)
+{
+    and_l(~0x00000010, &GPIO_OUT); /* Self powered */
+    or_l(0x00800000, &GPIO_OUT);   /* RESET deasserted */
+    or_l(0x00800010, &GPIO_FUNCTION);
+    or_l(0x00800010, &GPIO_ENABLE);
+    
+    or_l(0x00800000, &GPIO1_FUNCTION);  /* USB detect */
+}
+
+bool usb_detect(void)
+{
+    return (GPIO1_READ & 0x00800000)?true:false;
+}
+
+void usb_enable(bool on)
+{
+    if(on) {
+        or_l(0x00000008, &GPIO1_OUT);
+    } else {
+        and_l(~0x00000008, &GPIO1_OUT);
+    }
+}
diff --git a/firmware/usb.c b/firmware/usb.c
index 9fd18187b3..ad4f2b9325 100644
--- a/firmware/usb.c
+++ b/firmware/usb.c
@@ -41,6 +41,9 @@
 #ifdef HAVE_MMC
 #include "ata_mmc.h"
 #endif
+#ifdef TARGET_TREE
+#include "usb-target.h"
+#endif
 
 extern void dbg_ports(void); /* NASTY! defined in apps/ */
 
@@ -99,6 +102,7 @@ static struct event_queue usb_queue;
 static bool last_usb_status;
 static bool usb_monitor_enabled;
 
+#ifndef TARGET_TREE
 void usb_enable(bool on)
 {
 #ifdef USB_ENABLE_ONDIOSTYLE
@@ -203,6 +207,7 @@ void usb_enable(bool on)
     or_b(0x04, &PAIORH);
 #endif
 }
+#endif
 
 #ifndef BOOTLOADER
 static void usb_slave_mode(bool on)
@@ -381,6 +386,7 @@ static void usb_thread(void)
 }
 #endif
 
+#ifndef TARGET_TREE
 bool usb_detect(void)
 {
     bool current_status;
@@ -414,6 +420,7 @@ bool usb_detect(void)
 #endif
     return current_status;
 }
+#endif
 
 #ifndef BOOTLOADER
 static void usb_tick(void)
-- 
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