/*	$NetBSD$ */

/*
 * Copyright (c) 1995 Theo de Raadt
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Theo de Raadt
 * 4. 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.
 */

/*
 * the MEMC's registers are very similar to the MCECC chip
 */
struct memcreg {
	volatile u_char		memc_chipid;
	volatile u_char		xx0[3];
	volatile u_char		memc_chiprev;
	volatile u_char		xx1[3];
	volatile u_char		memc_memconf;
#define MEMC_MEMCONF_MSIZ	0x07
/*
#define MEMC_MEMCONF_RTOB(x) (((x) & MEMC_MEMCONF_MSIZ) * 4*1024*1024)
*/
#define MEMC_MEMCONF_RTOB(x) (1 << (((x) & MEMC_MEMCONF_MSIZ) + 22))
	volatile u_char		xx2[3];
	volatile u_char		memc_x0;
	volatile u_char		xx3[3];
	volatile u_char		memc_x1;
	volatile u_char		xx4[3];
	volatile u_char		memc_baseaddr;
	volatile u_char		xx5[3];
	volatile u_char		memc_control;
	volatile u_char		xx6[3];
	volatile u_char		memc_bclk;
	volatile u_char		xx7[3];
};

#define MEMC_CHIPID		0x81