/*      $NetBSD: apbus.h,v 1.7 2018/10/19 13:40:33 tsutsui Exp $        */

/*-
* Copyright (C) 1999 SHIMIZU Ryo.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef __MACHINE_APBUS__
#define __MACHINE_APBUS__

struct apbus_ctl {
       u_int   apbc_ctlno;
       u_int   apbc_mu;
       u_int   apbc_unknown2;
       void    *apbc_sladdr;

       u_int   apbc_unknown4;
       u_int   apbc_hwbase;
       char    *apbc_softc;
       u_int   *apbc_ent7;

       u_int   apbc_unknown8;
       u_int   apbc_sl;

       struct apbus_ctl *apbc_child0;
       u_int   apbc_child0no[3];

       struct apbus_ctl *apbc_child1;
       u_int   apbc_child1no[3];

       struct apbus_ctl *apbc_child2;
       u_int   apbc_child2no[3];

       struct apbus_ctl *apbc_parent;
       u_int   apbc_parentno[3];

       struct apbus_ctl *apbc_link;
};

struct apbus_dev {
       char    *apbd_name;
       char    *apbd_vendor;
       u_int   apbd_atr;
       u_int   apbd_rev;
       void    *apbd_driver;
       void    *table[16];
       struct apbus_ctl *apbd_ctl;
       struct apbus_dev *apbd_link;
};

struct apbus_sysinfo {
       int     apbsi_revision;
       int     (*apbsi_call)(int, ...);/* apcall entry */
       int     apbsi_errno;            /* errno from apcall? */
       void    *apbsi_bootstart;       /* entry of primary boot */
       void    *apbsi_bootend;
       struct apbus_dev *apbsi_dev;
       struct apbus_bus *apbsi_bus;
       int     apbsi_exterr;           /* ? */

       int     apbsi_pad1[2];
       int     apbsi_memsize;          /* memory size */
       int     apbsi_pad2[24];
       int     apbsi_romversion;
       int     apbsi_pad3[28];
};

/*
* FYI: result of 'ss -m' command on NEWS5000 rom monitor on my machine...
*
* > ss -m
* Memory use:
*  diag info:  bf881800
*    environ:  bf881000
*     apinfo:  bf880000
*    sysinfo:  9ff03270        ->      struct apbus_sysinfo
* alloc list:  ffffbff8
*    max mem:  04000000
*   free mem:  03ff1678
*   mem base: 100000000
*
*/

extern struct apbus_sysinfo *_sip;
extern volatile uint32_t *news_wbflush;
extern void *sccport0a;
void apbus_wbflush(void);

#endif /* !__MACHINE_APBUS__ */