rockbox/firmware/target/arm/tatung/tpj1022/usb-tpj1022.c
Dave Chapman 657dcb5165 Initial commit of work for port to the Tatung Elio TPJ-1022 - yet another PortalPlayer PP5020 target.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10828 a1c6a512-1295-4272-9138-f99709370657
2006-08-31 19:19:35 +00:00

107 lines
3.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Barry Wardell
*
* 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.
*
****************************************************************************/
/* Code from the iPod port but commented out. USB detection custom made based
on GPIO analysis */
#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"
#ifdef HAVE_MMC
#include "ata_mmc.h"
#endif
void usb_init_device(void)
{
#if 0
int r0;
outl(inl(0x70000084) | 0x200, 0x70000084);
outl(inl(0x7000002C) | 0x3000000, 0x7000002C);
outl(inl(0x6000600C) | 0x400000, 0x6000600C);
outl(inl(0x60006004) | 0x400000, 0x60006004); /* reset usb start */
outl(inl(0x60006004) & ~0x400000, 0x60006004); /* reset usb end */
outl(inl(0x70000020) | 0x80000000, 0x70000020);
while ((inl(0x70000028) & 0x80) == 0);
outl(inl(0xc5000184) | 0x100, 0xc5000184);
while ((inl(0xc5000184) & 0x100) != 0);
outl(inl(0xc50001A4) | 0x5F000000, 0xc50001A4);
if ((inl(0xc50001A4) & 0x100) == 0) {
outl(inl(0xc50001A8) & ~0x3, 0xc50001A8);
outl(inl(0xc50001A8) | 0x2, 0xc50001A8);
outl(inl(0x70000028) | 0x4000, 0x70000028);
outl(inl(0x70000028) | 0x2, 0x70000028);
} else {
outl(inl(0xc50001A8) | 0x3, 0xc50001A8);
outl(inl(0x70000028) &~0x4000, 0x70000028);
outl(inl(0x70000028) | 0x2, 0x70000028);
}
outl(inl(0xc5000140) | 0x2, 0xc5000140);
while((inl(0xc5000140) & 0x2) != 0);
r0 = inl(0xc5000184);
/* Note from IPL source (referring to next 5 lines of code:
THIS NEEDS TO BE CHANGED ONCE THERE IS KERNEL USB */
outl(inl(0x70000020) | 0x80000000, 0x70000020);
outl(inl(0x6000600C) | 0x400000, 0x6000600C);
while ((inl(0x70000028) & 0x80) == 0);
outl(inl(0x70000028) | 0x2, 0x70000028);
udelay(0x186A0);
#endif
}
bool usb_detect(void)
{
return false;
}
void usb_enable(bool on)
{
(void)on;
#if 0
/* For the ipod, we can only do one thing with USB mode - reboot
into Apple's flash-based disk-mode. This does not return. */
if (on)
{
/* The following code is copied from ipodlinux */
unsigned char* storage_ptr = (unsigned char *)0x40017F00;
memcpy(storage_ptr, "diskmode\0\0hotstuff\0\0\1", 21);
DEV_RS |= 4; /* Reboot */
}
#endif
}