release/src-rt-6.x.4708/cfe/cfe/include/dev_ide.h

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  IDE disk driver                          File: dev_ide.h
   5     *
   6     *  Probe constants for the IDE disk device.  Various flags
   7     *  can be passed to the probe routine to configure various
   8     *  things.  This is where they are defined.
   9     *
  10     *  Author:  Mitch Lichtenberg (mpl@broadcom.com)
  11     *
  12     *********************************************************************
  13     *
  14     *  Copyright 2000,2001,2002,2003
  15     *  Broadcom Corporation. All rights reserved.
  16     *
  17     *  This software is furnished under license and may be used and
  18     *  copied only in accordance with the following terms and
  19     *  conditions.  Subject to these conditions, you may download,
  20     *  copy, install, use, modify and distribute modified or unmodified
  21     *  copies of this software in source and/or binary form.  No title
  22     *  or ownership is transferred hereby.
  23     *
  24     *  1) Any source code used, modified or distributed must reproduce
  25     *     and retain this copyright notice and list of conditions
  26     *     as they appear in the source file.
  27     *
  28     *  2) No right is granted to use any trade name, trademark, or
  29     *     logo of Broadcom Corporation.  The "Broadcom Corporation"
  30     *     name may not be used to endorse or promote products derived
  31     *     from this software without the prior written permission of
  32     *     Broadcom Corporation.
  33     *
  34     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
  35     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
  36     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  37     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
  38     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
  39     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
  40     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  41     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  42     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  43     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  44     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  45     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
  46     *     THE POSSIBILITY OF SUCH DAMAGE.
  47     ********************************************************************* */
  48
  49
  50 /*  *********************************************************************
  51     *  Constants
  52     ********************************************************************* */
  53
  54 /*
  55  * Use the macros below to set the type of the master and slave devices
  56  * on the IDE bus.  If you want automatic probing, then you need
  57  * to specify that IDE_DEV_TYPE_AUTO as the device type.
  58  */
  59
  60
  61
  62
  63 #define IDE_PROBE_TYPE_MASK     0x0F
  64 #define IDE_PROBE_MASTER_SHIFT  0
  65 #define IDE_PROBE_SLAVE_SHIFT   4
  66
  67 #define IDE_PROBE_MASTER_TYPE(x) ((x) << IDE_PROBE_MASTER_SHIFT)
  68 #define IDE_PROBE_SLAVE_TYPE(x) ((x) << IDE_PROBE_SLAVE_SHIFT)
  69
  70 #define IDE_PROBE_GET_TYPE(pb,unit) (((pb) >> (unit*4)) & IDE_PROBE_TYPE_MASK)
  71
  72 /*
  73  * Device types.
  74  */
  75
  76 #define IDE_DEVTYPE_NOPROBE     0       /* none */
  77 #define IDE_DEVTYPE_AUTO        0x0F    /* automatically probe */
  78
  79 #define IDE_DEVTYPE_DISK        1       /* hard drives */
  80 #define IDE_DEVTYPE_CDROM       2       /* CD-ROMs */
  81 #define IDE_DEVTYPE_ATAPIDISK   3       /* ZIP disks, etc. */