1 /* $NetBSD: ppcstart.c,v 1.3 2002/01/26 13:21:11 aymeric 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((caddr_t)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