source: SVN/rincon/u-boot/board/esd/dp405/dp405.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 2 years ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 3.2 KB
Line 
1/*
2 * (C) Copyright 2001-2003
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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 <asm/processor.h>
26#include <command.h>
27#include <malloc.h>
28
29DECLARE_GLOBAL_DATA_PTR;
30
31/* fpga configuration data - not compressed, generated by bin2c */
32const unsigned char fpgadata[] =
33{
34#include "fpgadata.c"
35};
36int filesize = sizeof(fpgadata);
37
38
39int board_early_init_f (void)
40{
41        /*
42         * IRQ 0-15  405GP internally generated; active high; level sensitive
43         * IRQ 16    405GP internally generated; active low; level sensitive
44         * IRQ 17-24 RESERVED
45         * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
46         * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
47         * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
48         * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
49         * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
50         * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
51         * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
52         */
53        mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
54        mtdcr(uicer, 0x00000000);       /* disable all ints */
55        mtdcr(uiccr, 0x00000000);       /* set all to be non-critical*/
56        mtdcr(uicpr, 0xFFFFFF80);       /* set int polarities */
57        mtdcr(uictr, 0x10000000);       /* set int trigger levels */
58        mtdcr(uicvcr, 0x00000001);      /* set vect base=0,INT0 highest priority*/
59        mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
60
61        /*
62         * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
63         */
64        mtebc (epcr, 0xa8400000); /* ebc always driven */
65
66        /*
67         * Reset CPLD via GPIO13 (CS4) pin
68         */
69        out32(GPIO0_OR, in32(GPIO0_OR) & ~(0x80000000 >> 13));
70        udelay(1000); /* wait 1ms */
71        out32(GPIO0_OR, in32(GPIO0_OR) | (0x80000000 >> 13));
72        udelay(1000); /* wait 1ms */
73
74        return 0;
75}
76
77int misc_init_r (void)
78{
79        /* adjust flash start and offset */
80        gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
81        gd->bd->bi_flashoffset = 0;
82
83        return (0);
84}
85
86
87/*
88 * Check Board Identity:
89 */
90
91int checkboard (void)
92{
93        char str[64];
94        int i = getenv_r ("serial#", str, sizeof(str));
95        unsigned char trans[16] = {0x0,0x8,0x4,0xc,0x2,0xa,0x6,0xe,
96                                   0x1,0x9,0x5,0xd,0x3,0xb,0x7,0xf};
97        unsigned char id1, id2;
98
99        puts ("Board: ");
100
101        if (i == -1) {
102                puts ("### No HW ID - assuming DP405");
103        } else {
104                puts(str);
105        }
106
107        id1 = trans[(~(in32(GPIO0_IR) >> 5)) & 0x0000000f];
108        id2 = trans[(~(in32(GPIO0_IR) >> 9)) & 0x0000000f];
109        printf(" (ID=0x%1X%1X, PLD=0x%02X)\n", id2, id1, in8(0xf0001000));
110
111        return 0;
112}
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