source: SVN/rincon/u-boot/board/gcplus/gcplus.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.9 KB
Line 
1/*
2 * (C) Copyright 2002
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
5 *
6 * 2003-2004 (c) MontaVista Software, Inc.
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27#include <common.h>
28#include <SA-1100.h>
29
30DECLARE_GLOBAL_DATA_PTR;
31
32/*
33 * Miscelaneous platform dependent initialisations
34 */
35
36int
37board_init(void)
38{
39        gd->bd->bi_arch_number = MACH_TYPE_GRAPHICSCLIENT;
40
41        gd->bd->bi_boot_params = 0xc000003c; /* Weird address? */
42
43        /* Most of the ADS GCPlus I/O is connected to Static nCS2.
44         * So I'm brute forcing nCS2 timiming here for worst case.
45         */
46        MSC1 &= ~0xFFFF;
47        MSC1 |= 0x8649;
48
49        /* Nothing is connected to Static nCS4 or nCS5. But I'm using
50         * nCS4 as a paranoia safe guard to force nCS2, nOE; nWE high
51         * after accessing I/O via (non-VLIO) nCS2. What can I say, I'm
52         * paranoid and lack decent tools to alleviate my fear. I sure
53         * do wish I had a logic analyzer. : (
54         */
55
56        MSC2 =  0xfff9fff9;
57
58        return 0;
59}
60
61int
62dram_init(void)
63{
64        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
65        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
66        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
67        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
68
69        return (0);
70}
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