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  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 /* ATA stuff was taken from the iPod code */
  23
  24 #include <stdbool.h>
  25 #include "system.h"
  26 #include "ata.h"
  27 #include "ata-target.h"
  28
  29 void ata_reset()
  30 {
  31
  32 }
  33
  34 void ata_enable(bool on)
  35 {
  36     /* TODO: Implement ata_enable() */
  37     (void)on;
  38 }
  39
  40 bool ata_is_coldstart()
  41 {
  42     return false;
  43     /* TODO: Implement coldstart variable */
  44 }
  45
  46 void ata_device_init()
  47 {
  48 #ifdef SAMSUNG_YH920
  49     CPU_INT_DIS = (1<<IDE_IRQ);
  50 #endif
  51
  52     /* From ipod-ide.c:ipod_ide_register() */
  53     IDE0_CFG |= (1<<5);
  54 #ifdef IPOD_NANO
  55     IDE0_CFG |= (0x10000000); /* cpu > 65MHz */
  56 #else
  57     IDE0_CFG &=~(0x10000000); /* cpu < 65MHz */
  58 #endif
  59
  60     IDE0_PRI_TIMING0 = 0x10;
  61     IDE0_PRI_TIMING1 = 0x80002150;
  62 }