source: SVN/rincon/u-boot/board/westel/amx860/amx860.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: 2.7 KB
Line 
1/*
2 * (C) Copyright 2001
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <config.h>
26#include <mpc8xx.h>
27
28/* ------------------------------------------------------------------------- */
29
30#define _NOT_USED_      0xFFFFFFFF
31
32const uint edo_60ns[] =
33{ 0x8ffbec24, 0x0ff3ec04, 0x0cf3ec04, 0x00f3ec04,
34  0x00f3ec00, 0x37f7ec47, _NOT_USED_, _NOT_USED_,
35  0x8fffec24, 0x0ffbec04, 0x08f3ec04, 0x07f3ec08,
36  0x08f3ec04, 0x07f3ec48, 0x08f3ec04, 0x07f3ec48,
37  0x08f3ec04, 0x07f3ec48, 0x1ff7ec47, _NOT_USED_,
38  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
39  0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x11bfcc47,
40  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
41  0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x03afcc4c,
42  0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
43  0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
44  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
45  0xc0ffcc84, 0x00ffcc04, 0x07ffcc04, 0x3fffcc06,
46  0xffffcc85, 0xffffcc05, _NOT_USED_, _NOT_USED_,
47  _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
48  0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
49
50/* ------------------------------------------------------------------------- */
51
52/*
53 * Check Board Identity:
54 */
55
56int checkboard (void)
57{
58        puts ("Board: AMX860\n");
59        return 0;
60}
61
62/* ------------------------------------------------------------------------- */
63
64phys_size_t initdram (int board_type)
65{
66
67        volatile immap_t     *immap = (immap_t *)CFG_IMMR;
68        volatile memctl8xx_t *memctl = &immap->im_memctl;
69
70        /* AMX860: has 4 Mb of 60ns EDO DRAM, so start DRAM at 0 */
71
72        upmconfig(UPMA, (uint *) edo_60ns, sizeof(edo_60ns)/sizeof(uint));
73
74#ifndef CONFIG_AMX_RAM_EXT
75        memctl->memc_mptpr = 0x0400; /* divide by 16 */
76#else
77        memctl->memc_mptpr = 0x0200;
78#endif
79
80        memctl->memc_mamr = 0x30a21114;
81        memctl->memc_or2 = 0xffc00800;
82#ifndef CONFIG_AMX_RAM_EXT
83        memctl->memc_br2 = 0x81;
84
85        return (4 << 20);
86#else
87        memctl->memc_or1 = 0xff000800;
88        memctl->memc_br1 = 0x00000081;
89        memctl->memc_br2 = 0x01000081;
90
91        return (20 << 20);
92#endif
93}
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