source: rtems/c/src/lib/libbsp/i386/pc386/ide/idecfg.c @ 57be444e

/*===============================================================*\
| Project: RTEMS PC386 IDE harddisc driver tables                 |
+-----------------------------------------------------------------+
| File: idecfg.c                                                  |
+-----------------------------------------------------------------+
|                    Copyright (c) 2003 IMD                       |
|      Ingenieurbuero fuer Microcomputertechnik Th. Doerfler      |
|               <Thomas.Doerfler@imd-systems.de>                  |
|                       all rights reserved                       |
+-----------------------------------------------------------------+
| this file contains the table of functions for the BSP layer     |
| for IDE access below the libchip IDE harddisc driver            |
|                                                                 |
+-----------------------------------------------------------------+
|   date                      history                        ID   |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 01.14.03  creation                                         doe  |
\*===============================================================*/

#include <rtems.h>
#include <bsp.h>
#include <libchip/ide_ctrl.h>
#include <libchip/ide_ctrl_cfg.h>
#include <libchip/ide_ctrl_io.h>

extern bool pc386_ide_show;

/*
 * The following table configures the functions used for IDE drivers
 * in this BSP.
 */

/*
 * The following table configures the IDE drivers used in this BSP.
 */
extern ide_ctrl_fns_t pc386_ide_ctrl_fns;

/* IDE controllers Table */
ide_controller_bsp_table_t IDE_Controller_Table[] = {
  {"/dev/ide0",
   IDE_STD, /* standard IDE controller */
   &pc386_ide_ctrl_fns,
   NULL, /* probe for IDE standard registers */
   FALSE, /* not (yet) initialized */
   0x1f0,  /* base I/O address for first IDE controller */
   FALSE,0, /* not (yet) interrupt driven */
   NULL
  }
  , /* colon only needed when both interfaces present */
  {"/dev/ide1",
   IDE_STD, /* standard IDE controller */
   &pc386_ide_ctrl_fns,
   NULL, /* probe for IDE standard registers */
   FALSE, /* not (yet) initialized */
   0x170,  /* base I/O address for second IDE controller */
   FALSE,0, /* not (yet) interrupt driven */
   NULL
  }
};

/* Number of rows in IDE_Controller_Table. Default is 0. */
unsigned long IDE_Controller_Count;

#if IDE_USE_PRIMARY_INTERFACE
#define IDE1_DEFAULT true
#else
#define IDE1_DEFAULT false
#endif
#if IDE_USE_SECONDARY_INTERFACE
#define IDE2_DEFAULT true
#else
#define IDE2_DEFAULT false
#endif

void bsp_ide_cmdline_init(void)
{
  bool ide1 = IDE1_DEFAULT;
  bool ide2 = IDE2_DEFAULT;
  const char* ide;
  
  /*
   * Can have:
   *  --ide=0,1
   */
  ide = bsp_cmdline_arg ("--ide=");
  
  if (ide)
  {
    int i;
    /*
     * If a command line option exists remove the defaults.
     */
    ide1 = ide2 = false;
    
    ide += sizeof ("--ide=") - 1;
    
    for (i = 0; i < 3; i++)
    {
      switch (ide[i])
      {
        case '0':
          ide1 = true;
          break;
        case '1':
          ide2 = true;
          break;
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
        case ',':
          break;
        default:
          break;
      }
    }
  }

  if (ide2 && !ide1)
    IDE_Controller_Table[0] = IDE_Controller_Table[1];

  if (ide1)
    IDE_Controller_Count++;
  if (ide2)
    IDE_Controller_Count++;

  /*
   * Allow the user to get the initialise to print probing
   * type information.
   */
  ide = bsp_cmdline_arg ("--ide-show");
  
  if (ide)
    pc386_ide_show = true;
}