/*      $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__ */