From 28d54c6016459ffe93c0be2efea7de27c38d783c Mon Sep 17 00:00:00 2001
From: Marcin Bukat <marcin.bukat@gmail.com>
Date: Mon, 26 Apr 2010 21:40:16 +0000
Subject: Add MPIO HD200 port - new files

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25725 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/coldfire/mpio/hd200/usb-hd200.c | 81 +++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 firmware/target/coldfire/mpio/hd200/usb-hd200.c

(limited to 'firmware/target/coldfire/mpio/hd200/usb-hd200.c')

diff --git a/firmware/target/coldfire/mpio/hd200/usb-hd200.c b/firmware/target/coldfire/mpio/hd200/usb-hd200.c
new file mode 100644
index 0000000000..8f348b8038
--- /dev/null
+++ b/firmware/target/coldfire/mpio/hd200/usb-hd200.c
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id:$
+ *
+ * Copyright (C) 2010 Marcin Bukat
+ *
+ * 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 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"
+#include "usb.h"
+
+void usb_init_device(void)
+{
+    /* GPIO42 is USB detect input
+     * but it also serves as MCLK2 for DAC
+     */
+    and_l(~(1<<4), &GPIO1_OUT);
+    or_l((1<<4)|(1<<18), &GPIO1_ENABLE);   /* GPIO36 GPIO50 */
+    or_l((1<<4)|(1<<18), &GPIO1_FUNCTION); 
+
+     /* GPIO22 GPIO30*/
+     /* GPIO31 has to be low to ATA work */
+    or_l((1<<22)|(1<<30), &GPIO_OUT);
+    or_l((1<<22)|(1<<30)|(1<<31), &GPIO_ENABLE);
+    or_l((1<<22)|(1<<30)|(1<<31), &GPIO_FUNCTION);
+}
+
+int usb_detect(void)
+{
+    /* GPIO42 active low*/
+    return (GPIO1_READ & (1<<10)) ? USB_EXTRACTED : USB_INSERTED;
+}
+
+void usb_enable(bool on)
+{
+   
+    if(on)
+    {
+        or_l((1<<18),&GPIO1_OUT); /* GPIO50 high */
+
+        and_l(~(1<<30),&GPIO_OUT);  /* GPIO30 low */
+        /* GPIO36 low delay GPIO36 high delay */
+        and_l(~(1<<4),&GPIO1_OUT);
+        or_l((1<<4),&GPIO1_OUT);
+
+        and_l(~(1<<18),&GPIO1_OUT); /* GPIO50 low */
+        sleep(HZ/5); /* delay 200 ms */
+        and_l(~(1<<22),&GPIO_OUT); /* GPIO22 low */
+    }
+    else
+    {
+        /* GPIO36 low delay GPIO36 high delay */
+        and_l(~(1<<4),&GPIO1_OUT);
+        sleep(HZ/100);
+        or_l((1<<4),&GPIO1_OUT);
+        sleep(HZ/100);
+
+        or_l((1<<22),&GPIO_OUT);  /* GPIO22 high */
+        or_l((1<<30),&GPIO_OUT);  /* GPIO30 high */
+
+        and_l(~(1<<4),&GPIO1_OUT); /* GPIO36 low */
+
+       //or_l((1<<18),&GPIO1_OUT);  /* GPIO50 high */
+    }
+}
-- 
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