blob: 24c92e35a5d911571a28b0ae94af526757eb9701 [file] [log] [blame]
wdenk16f21702002-08-26 21:58:50 +00001/*
2 * (C) Copyright 2001
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 "ocrtc.h"
26#include <asm/processor.h>
27#include <i2c.h>
28#include <command.h>
wdenk16f21702002-08-26 21:58:50 +000029
stroese25215ee2004-12-16 18:37:41 +000030
31extern void lxt971_no_sleep(void);
32
wdenk16f21702002-08-26 21:58:50 +000033
wdenkc837dcb2004-01-20 23:12:12 +000034int board_early_init_f (void)
wdenk16f21702002-08-26 21:58:50 +000035{
36 /*
37 * IRQ 0-15 405GP internally generated; active high; level sensitive
38 * IRQ 16 405GP internally generated; active low; level sensitive
39 * IRQ 17-24 RESERVED
40 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
41 * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive
42 * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
43 * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
44 * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
45 * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
46 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
47 */
Stefan Roese952e7762009-09-24 09:55:50 +020048 mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
49 mtdcr (UIC0ER, 0x00000000); /* disable all ints */
50 mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical */
51 mtdcr (UIC0PR, 0xFFFFFF81); /* set int polarities */
52 mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
53 mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
54 mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
wdenk16f21702002-08-26 21:58:50 +000055
56 /*
57 * EBC Configuration Register: clear EBTC -> high-Z ebc signals between
58 * transfers, set device-paced timeout to 256 cycles
59 */
Stefan Roesed1c3b272009-09-09 16:25:29 +020060 mtebc (EBC0_CFG, 0x20400000);
wdenk16f21702002-08-26 21:58:50 +000061
62 return 0;
63}
64
wdenk16f21702002-08-26 21:58:50 +000065/*
66 * Check Board Identity:
67 */
wdenk16f21702002-08-26 21:58:50 +000068int checkboard (void)
69{
Wolfgang Denk77ddac92005-10-13 16:45:02 +020070 char str[64];
Wolfgang Denkcdb74972010-07-24 21:55:43 +020071 int i = getenv_f("serial#", str, sizeof (str));
wdenk16f21702002-08-26 21:58:50 +000072
73 puts ("Board: ");
74
75 if (i == -1) {
76#ifdef CONFIG_OCRTC
77 puts ("### No HW ID - assuming OCRTC");
78#endif
79#ifdef CONFIG_ORSG
80 puts ("### No HW ID - assuming ORSG");
81#endif
82 } else {
83 puts (str);
84 }
85
86 putc ('\n');
87
stroese25215ee2004-12-16 18:37:41 +000088 /*
89 * Disable sleep mode in LXT971
90 */
91 lxt971_no_sleep();
92
wdenk16f21702002-08-26 21:58:50 +000093 return (0);
94}