sys/arch/cats/include/cyclone_boot.h

   1 /*      $NetBSD: cyclone_boot.h,v 1.1 2001/06/09 10:29:12 chris Exp $   */
   2
   3 /*
   4  * Copyright (c) 1997,1998 Mark Brinicombe.
   5  * Copyright (c) 1997,1998 Causality Limited.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by Mark Brinicombe.
  19  * 4. The name of the company nor the name of the author may be used to
  20  *    endorse or promote products derived from this software without specific
  21  *    prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 /*
  37  * Define the boot structure that is passed to the kernel
  38  * from the cyclone firmware.
  39  *
  40  * The bootloader reserves a page for boot argument info.
  41  * This page will contain the ebsaboot structure and the
  42  * kernel argument string.
  43  */
  44
  45 struct ebsaboot {
  46         u_int32_t       bt_magic;       /* boot info magic number */
  47         u_int32_t       bt_vargp;       /* virtual addr of arg page */
  48         u_int32_t       bt_pargp;       /* physical addr of arg page */
  49         const char *    bt_args;        /* kernel args string pointer */
  50         pd_entry_t *    bt_l1;          /* active L1 page table */
  51         u_int32_t       bt_memstart;    /* start of physical memory */
  52         u_int32_t       bt_memend;      /* end of physical memory */
  53         u_int32_t       bt_memavail;    /* start of avail phys memory */
  54         u_int32_t       bt_fclk;        /* fclk frequency */
  55         u_int32_t       bt_pciclk;      /* PCI bus frequency */
  56         u_int32_t       bt_vers;        /* structure version (CATS) */
  57         u_int32_t       bt_features;    /* feature mask (CATS) */
  58 };
  59
  60 #define BT_MAGIC_NUMBER_EBSA    0x45425341
  61 #define BT_MAGIC_NUMBER_CATS    0x43415453
  62
  63 #define BT_BOOT_VERSION_OLD     0
  64 #define BT_BOOT_VERSION_NEW     1
  65
  66 /* End of cyclone_boot.h */