source: SVN/rincon/u-boot/board/esd/cpciiser4/cpciiser4.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: 4.5 KB
Line 
1/*
2 * (C) Copyright 2000
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 "cpciiser4.h"
26#include <asm/processor.h>
27#include <command.h>
28
29DECLARE_GLOBAL_DATA_PTR;
30
31/*cmd_boot.c*/
32
33extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
34extern void lxt971_no_sleep(void);
35
36
37/* ------------------------------------------------------------------------- */
38
39#if 0
40#define FPGA_DEBUG
41#endif
42
43#if 0
44#define FPGA_DEBUG2
45#endif
46
47/* fpga configuration data - generated by bin2cc */
48const unsigned char fpgadata[] = {
49#include "fpgadata.c"
50};
51
52/*
53 * include common fpga code (for esd boards)
54 */
55#include "../common/fpga.c"
56
57
58int board_early_init_f (void)
59{
60        int index, len, i;
61        volatile unsigned char dummy;
62        int status;
63
64#ifdef FPGA_DEBUG
65        /* set up serial port with default baudrate */
66        (void) get_clocks ();
67        gd->baudrate = CONFIG_BAUDRATE;
68        serial_init ();
69        console_init_f ();
70#endif
71
72        /*
73         * Boot onboard FPGA
74         */
75        status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));
76        if (status != 0) {
77                /* booting FPGA failed */
78#ifndef FPGA_DEBUG
79                /* set up serial port with default baudrate */
80                (void) get_clocks ();
81                gd->baudrate = CONFIG_BAUDRATE;
82                serial_init ();
83                console_init_f ();
84#endif
85                printf ("\nFPGA: Booting failed ");
86                switch (status) {
87                case ERROR_FPGA_PRG_INIT_LOW:
88                        printf ("(Timeout: INIT not low after asserting PROGRAM*)\n ");
89                        break;
90                case ERROR_FPGA_PRG_INIT_HIGH:
91                        printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
92                        break;
93                case ERROR_FPGA_PRG_DONE:
94                        printf ("(Timeout: DONE not high after programming FPGA)\n ");
95                        break;
96                }
97
98                /* display infos on fpgaimage */
99                index = 15;
100                for (i = 0; i < 4; i++) {
101                        len = fpgadata[index];
102                        printf ("FPGA: %s\n", &(fpgadata[index + 1]));
103                        index += len + 3;
104                }
105                putc ('\n');
106                /* delayed reboot */
107                for (i = 20; i > 0; i--) {
108                        printf ("Rebooting in %2d seconds \r", i);
109                        for (index = 0; index < 1000; index++)
110                                udelay (1000);
111                }
112                putc ('\n');
113                do_reset (NULL, 0, 0, NULL);
114        }
115
116        /*
117         * Init FPGA via RESET (read access on CS3)
118         */
119        dummy = *(unsigned char *) 0xf0200000;
120
121        /*
122         * IRQ 0-15  405GP internally generated; active high; level sensitive
123         * IRQ 16    405GP internally generated; active low; level sensitive
124         * IRQ 17-24 RESERVED
125         * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
126         * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive
127         * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
128         * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
129         * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
130         * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
131         * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
132         */
133        mtdcr (uicsr, 0xFFFFFFFF);      /* clear all ints */
134        mtdcr (uicer, 0x00000000);      /* disable all ints */
135        mtdcr (uiccr, 0x00000000);      /* set all to be non-critical */
136        /*  mtdcr(uicpr, 0xFFFFFF81);   /  set int polarities */
137        mtdcr (uicpr, 0xFFFFFF80);      /* set int polarities */
138        mtdcr (uictr, 0x10000000);      /* set int trigger levels */
139        mtdcr (uicvcr, 0x00000001);     /* set vect base=0,INT0 highest priority */
140        mtdcr (uicsr, 0xFFFFFFFF);      /* clear all ints */
141
142        return 0;
143}
144
145
146/* ------------------------------------------------------------------------- */
147
148/*
149 * Check Board Identity:
150 */
151
152int checkboard (void)
153{
154        int index;
155        int len;
156        char str[64];
157        int i = getenv_r ("serial#", str, sizeof (str));
158
159        puts ("Board: ");
160
161        if (i == -1) {
162                puts ("### No HW ID - assuming AR405");
163        } else {
164                puts(str);
165        }
166
167        puts ("\nFPGA:  ");
168
169        /* display infos on fpgaimage */
170        index = 15;
171        for (i = 0; i < 4; i++) {
172                len = fpgadata[index];
173                printf ("%s ", &(fpgadata[index + 1]));
174                index += len + 3;
175        }
176
177        putc ('\n');
178
179        /*
180         * Disable sleep mode in LXT971
181         */
182        lxt971_no_sleep();
183
184        return 0;
185}
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