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ppcstart.c revision 1.4 
      1 /* $NetBSD: ppcstart.c,v 1.4 2007/03/04 05:59:31 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ignatios Souvatzis.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Startit for Phase5 PPC boards.
     41  */
     42 
     43 #include <sys/types.h>
     44 #include "libstubs.h"
     45 
     46 #include "kickstart68.c"
     47 
     48 void
     49 startit(kp, ksize, entry, fmem, fmemsz, cmemsz,
     50 	    boothowto, esym, cpuid, eclock, amiga_flags, I_flag,
     51 	    bootpartoff, history)
     52 
     53 	u_long kp, ksize, entry, fmem, fmemsz, cmemsz,
     54 		boothowto, esym, cpuid, eclock, amiga_flags, I_flag,
     55 		bootpartoff, history;
     56 {
     57 	int i;
     58 
     59 #define ONESEC
     60 /* #define ONESEC for (i=0; i<1000000; i++) */
     61 
     62 	ONESEC *(volatile u_int16_t *)0xdff180 = 0x0f0;
     63 	*(volatile u_int8_t *)0xf60000 = 0x10;
     64 	ONESEC *(volatile u_int16_t *)0xdff180 = 0xf80;
     65 
     66 	memcpy((void *)0xfff00100, kickstart, kicksize);
     67 	*(volatile u_int32_t *)0xfff000f4 = fmem;
     68 	*(volatile u_int32_t *)0xfff000f8 = kp;
     69 	*(volatile u_int32_t *)0xfff000fc = ksize;
     70 	ONESEC *(volatile u_int16_t *)0xdff180 = 0xf00;
     71 	*(volatile u_int8_t *)0xf60000 = 0x90;
     72 	*(volatile u_int8_t *)0xf60000 = 0x08;
     73 	/* NOTREACHED */
     74 	while (1) {
     75 		*(volatile u_int16_t *)0xdff180 = 0x0f0;
     76 		*(volatile u_int16_t *)0xdff180 = 0x00f;
     77 	}
     78 }
     79