firmware/target/arm/ata-pp5020.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Barry Wardell
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 /* ATA stuff was taken from the iPod code */
  21
  22 #include <stdbool.h>
  23 #include "system.h"
  24 #include "ata-target.h"
  25
  26 void ata_reset()
  27 {
  28
  29 }
  30
  31 void ata_enable(bool on)
  32 {
  33     /* TODO: Implement ata_enable() */
  34     (void)on;
  35 }
  36
  37 bool ata_is_coldstart()
  38 {
  39     return false;
  40     /* TODO: Implement coldstart variable */
  41 }
  42
  43 void ata_device_init()
  44 {
  45     /* From ipod-ide.c:ipod_ide_register() */
  46     IDE0_CFG |= (1<<5);
  47 #ifdef IPOD_NANO
  48     IDE0_CFG |= (0x10000000); /* cpu > 65MHz */
  49 #else
  50     IDE0_CFG &=~(0x10000000); /* cpu < 65MHz */
  51 #endif
  52
  53     IDE0_PRI_TIMING0 = 0x10;
  54     IDE0_PRI_TIMING1 = 0x80002150;
  55 }