firmware/target/arm/tcc77x/ata-nand-tcc77x.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Dave Chapman
  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 #include "ata.h"
  20 #include "ata-target.h"
  21 #include "ata_idle_notify.h"
  22 #include "system.h"
  23 #include <string.h>
  24 #include "thread.h"
  25 #include "led.h"
  26 #include "disk.h"
  27 #include "panic.h"
  28 #include "usb.h"
  29
  30 /* for compatibility */
  31 int ata_spinup_time = 0;
  32
  33 long last_disk_activity = -1;
  34
  35 /** static, private data **/
  36 static bool initialized = false;
  37
  38 static long next_yield = 0;
  39 #define MIN_YIELD_PERIOD 2000
  40
  41 /* API Functions */
  42
  43 void ata_led(bool onoff)
  44 {
  45     led(onoff);
  46 }
  47
  48 int ata_read_sectors(IF_MV2(int drive,) unsigned long start, int incount,
  49                      void* inbuf)
  50 {
  51
  52 }
  53
  54 int ata_write_sectors(IF_MV2(int drive,) unsigned long start, int count,
  55                       const void* outbuf)
  56 {
  57 }
  58
  59 void ata_spindown(int seconds)
  60 {
  61     (void)seconds;
  62 }
  63
  64 bool ata_disk_is_active(void)
  65 {
  66     return 0;
  67 }
  68
  69 void ata_sleep(void)
  70 {
  71 }
  72
  73 void ata_spin(void)
  74 {
  75 }
  76
  77 /* Hardware reset protocol as specified in chapter 9.1, ATA spec draft v5 */
  78 int ata_hard_reset(void)
  79 {
  80     return 0;
  81 }
  82
  83 int ata_soft_reset(void)
  84 {
  85     return 0;
  86 }
  87
  88 void ata_enable(bool on)
  89 {
  90 }
  91
  92 int ata_init(void)
  93 {
  94 }