1 files changed, 168 insertions, 0 deletions

diff --git a/firmware/target/arm/usb-fw-pp502x.c b/firmware/target/arm/usb-fw-pp502x.c
new file mode 100644
index 0000000000..92e3dee562
--- /dev/null
+++ b/firmware/target/arm/usb-fw-pp502x.c
@@ -0,0 +1,168 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ *
+ * iPod driver based on code from the ipodlinux project - http://ipodlinux.org
+ * Adapted for Rockbox in January 2006
+ * Original file: podzilla/usb.c
+ * Copyright (C) 2005 Adam Johnston
+ *
+ * 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 "cpu.h"
+#include "kernel.h"
+#include "thread.h"
+#include "system.h"
+#include "debug.h"
+#include "ata.h"
+#include "fat.h"
+#include "disk.h"
+#include "panic.h"
+#include "lcd.h"
+#include "adc.h"
+#include "usb.h"
+#include "button.h"
+#include "sprintf.h"
+#include "string.h"
+#include "hwcompat.h"
+
+#include "usb-target.h"
+#include "arcotg_udc.h"
+
+void usb_init_device(void)
+{
+    int r0;
+    outl(inl(0x70000084) | 0x200, 0x70000084);
+
+    outl(inl(0x7000002C) | 0x3000000, 0x7000002C);
+    DEV_EN |= DEV_USB;
+
+    DEV_RS |= DEV_USB; /* reset usb start */
+    DEV_RS &=~DEV_USB;/* reset usb end */
+
+    DEV_INIT |= INIT_USB;
+    while ((inl(0x70000028) & 0x80) == 0);
+
+    UDC_PORTSC1 |= PORTSCX_PORT_RESET;
+    while ((UDC_PORTSC1 & PORTSCX_PORT_RESET) != 0);
+
+    UDC_OTGSC |= 0x5F000000;
+    if( (UDC_OTGSC & 0x100) == 0) {
+        UDC_USBMODE &=~ USB_MODE_CTRL_MODE_HOST;
+        UDC_USBMODE |= USB_MODE_CTRL_MODE_DEVICE;
+        outl(inl(0x70000028) | 0x4000, 0x70000028);
+        outl(inl(0x70000028) | 0x2, 0x70000028);
+    } else {
+        UDC_USBMODE |= USB_MODE_CTRL_MODE_DEVICE;
+        outl(inl(0x70000028) &~0x4000, 0x70000028);
+        outl(inl(0x70000028) | 0x2, 0x70000028);
+    }
+    
+    
+    UDC_USBCMD |= USB_CMD_CTRL_RESET;
+    while((UDC_USBCMD & USB_CMD_CTRL_RESET) != 0);
+    
+    r0 = UDC_PORTSC1;
+
+    /* Note from IPL source (referring to next 5 lines of code: 
+       THIS NEEDS TO BE CHANGED ONCE THERE IS KERNEL USB */
+    DEV_INIT |= INIT_USB;
+    DEV_EN |= DEV_USB;
+    while ((inl(0x70000028) & 0x80) == 0);
+    outl(inl(0x70000028) | 0x2, 0x70000028);
+
+    udelay(0x186A0);
+
+    dr_controller_setup();
+
+#if defined(IPOD_COLOR) || defined(IPOD_4G) \
+ || defined(IPOD_MINI)  || defined(IPOD_MINI2G)
+    /* GPIO C bit 1 is firewire detect */
+    GPIOC_ENABLE    |=  0x02;
+    GPIOC_OUTPUT_EN &= ~0x02;
+#endif
+}
+
+void usb_enable(bool on)
+{
+    /* This device specific code will eventually give way to proper USB
+       handling, which should be the same for all PP502x targets. */
+    if (on)
+    {
+#if defined(IPOD_ARCH) || defined(IRIVER_H10) || defined (IRIVER_H10_5GB)
+        /* For the H10 and iPod, we can only do one thing with USB mode - reboot
+           into the flash-based disk-mode.  This does not return. */
+
+#if defined(IRIVER_H10) || defined (IRIVER_H10_5GB)
+        if(button_status()==BUTTON_RIGHT)
+#endif
+        {
+            ata_sleepnow(); /* Immediately spindown the disk. */
+            sleep(HZ*2);
+
+#ifdef IPOD_ARCH  /* The following code is based on ipodlinux */
+#if CONFIG_CPU == PP5020
+            memcpy((void *)0x40017f00, "diskmode\0\0hotstuff\0\0\1", 21);
+#elif CONFIG_CPU == PP5022
+            memcpy((void *)0x4001ff00, "diskmode\0\0hotstuff\0\0\1", 21);
+#endif
+#endif
+
+            system_reboot(); /* Reboot */
+        }
+#endif
+    }
+}
+
+bool usb_detect(void)
+{
+    static bool prev_usbstatus1 = false;
+    bool usbstatus1,usbstatus2;
+
+#if defined(IPOD_COLOR) || defined(IPOD_4G) \
+ || defined(IPOD_MINI)  || defined(IPOD_MINI2G)
+    /* GPIO C bit 1 is firewire detect */
+    if (!(GPIOC_INPUT_VAL & 0x02))
+        return true;
+#endif
+
+    /* UDC_ID should have the bit format:
+        [31:24] = 0x0
+        [23:16] = 0x22 (Revision number)
+        [15:14] = 0x3 (Reserved)
+        [13:8]  = 0x3a (NID - 1's compliment of ID)
+        [7:6]   = 0x0 (Reserved)
+        [5:0]   = 0x05 (ID) */
+    if (UDC_ID != 0x22FA05) {
+        return false;
+    }
+
+    usbstatus1 = (UDC_OTGSC & 0x800) ? true : false;
+    if ((usbstatus1 == true) && (prev_usbstatus1 == false)) {
+        dr_controller_run();
+    } else if ((usbstatus1 == false) && (prev_usbstatus1 == true)) {
+        dr_controller_stop();
+    }
+
+    prev_usbstatus1 = usbstatus1;
+    usbstatus2 = (UDC_PORTSC1 & PORTSCX_CURRENT_CONNECT_STATUS) ? true : false;
+
+    if (usbstatus1 && usbstatus2) {
+        return true;
+    } else {
+        return false;
+    }
+}