source: SVN/rincon/u-boot/board/amcc/bubinga/bubinga.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: 2.1 KB
Line 
1/*
2 * (C) Copyright 2000-2005
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 <asm/processor.h>
26#include <asm/io.h>
27
28long int spd_sdram(void);
29
30int board_early_init_f(void)
31{
32        mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
33        mtdcr(uicer, 0x00000000);       /* disable all ints */
34        mtdcr(uiccr, 0x00000010);
35        mtdcr(uicpr, 0xFFFF7FF0);       /* set int polarities */
36        mtdcr(uictr, 0x00000010);       /* set int trigger levels */
37        mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
38
39        /*
40         * Configure CPC0_PCI to enable PerWE as output
41         * and enable the internal PCI arbiter if selected
42         */
43        if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
44                mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
45        else
46                mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN);
47
48        return 0;
49}
50
51/*
52 * Check Board Identity:
53 */
54int checkboard(void)
55{
56        char *s = getenv("serial#");
57
58        puts("Board: Bubinga - AMCC PPC405EP Evaluation Board");
59
60        if (s != NULL) {
61                puts(", serial# ");
62                puts(s);
63        }
64        putc('\n');
65
66        return (0);
67}
68
69/* -------------------------------------------------------------------------
70  initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
71  the necessary info for SDRAM controller configuration
72   ------------------------------------------------------------------------- */
73phys_size_t initdram(int board_type)
74{
75        long int ret;
76
77        ret = spd_sdram();
78        return ret;
79}
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