1 /* $NetBSD: ppcstart.c,v 1.5 2008/04/28 20:23:13 martin 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * Startit for Phase5 PPC boards.
34 */
35
36 #include <sys/types.h>
37 #include "libstubs.h"
38
39 #include "kickstart68.c"
40
41 void
startit(kp,ksize,entry,fmem,fmemsz,cmemsz,boothowto,esym,cpuid,eclock,amiga_flags,I_flag,bootpartoff,history)42 startit(kp, ksize, entry, fmem, fmemsz, cmemsz,
43 boothowto, esym, cpuid, eclock, amiga_flags, I_flag,
44 bootpartoff, history)
45
46 u_long kp, ksize, entry, fmem, fmemsz, cmemsz,
47 boothowto, esym, cpuid, eclock, amiga_flags, I_flag,
48 bootpartoff, history;
49 {
50 int i;
51
52 #define ONESEC
53 /* #define ONESEC for (i=0; i<1000000; i++) */
54
55 ONESEC *(volatile u_int16_t *)0xdff180 = 0x0f0;
56 *(volatile u_int8_t *)0xf60000 = 0x10;
57 ONESEC *(volatile u_int16_t *)0xdff180 = 0xf80;
58
59 memcpy((void *)0xfff00100, kickstart, kicksize);
60 *(volatile u_int32_t *)0xfff000f4 = fmem;
61 *(volatile u_int32_t *)0xfff000f8 = kp;
62 *(volatile u_int32_t *)0xfff000fc = ksize;
63 ONESEC *(volatile u_int16_t *)0xdff180 = 0xf00;
64 *(volatile u_int8_t *)0xf60000 = 0x90;
65 *(volatile u_int8_t *)0xf60000 = 0x08;
66 /* NOTREACHED */
67 while (1) {
68 *(volatile u_int16_t *)0xdff180 = 0x0f0;
69 *(volatile u_int16_t *)0xdff180 = 0x00f;
70 }
71 }
72