blob: 6044e85585a8b603b459c2fe0f9774528a698561 [file] [log] [blame]
Gary Jennejohn73ccb342008-04-28 14:04:32 +02001/*
2 * (C) Copyright 2008
3 * Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
4 *
5 * Based in part on board/icecube/icecube.c from PPCBoot
6 * (C) Copyright 2003 Intrinsyc Software
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27#include <common.h>
28#include <command.h>
29#include <malloc.h>
30#include <environment.h>
31#include <logbuff.h>
32#include <post.h>
33
34#include <asm/processor.h>
35#include <asm/io.h>
Stefan Roese09887762010-09-16 14:30:37 +020036#include <asm/ppc4xx-gpio.h>
Gary Jennejohn73ccb342008-04-28 14:04:32 +020037
38DECLARE_GLOBAL_DATA_PTR;
39
40int board_early_init_f(void)
41{
42 /* taken from PPCBoot */
Stefan Roese952e7762009-09-24 09:55:50 +020043 mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
44 mtdcr(UIC0ER, 0x00000000); /* disable all ints */
45 mtdcr(UIC0CR, 0x00000000);
46 mtdcr(UIC0PR, 0xFFFF7FFE); /* set int polarities */
47 mtdcr(UIC0TR, 0x00000000); /* set int trigger levels */
48 mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
49 mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
Gary Jennejohn73ccb342008-04-28 14:04:32 +020050
51 mtdcr(CPC0_SRR, 0x00040000); /* Hold PCI bridge in reset */
52
53 return 0;
54}
55
56/*
57 * Check Board Identity:
58 */
59int checkboard(void)
60{
Wolfgang Denkf0c0b3a2011-05-04 10:32:28 +000061 char buf[64];
62 int i = getenv_f("serial#", buf, sizeof(buf));
Gary Jennejohn73ccb342008-04-28 14:04:32 +020063#ifdef DISPLAY_BOARD_INFO
64 sys_info_t sysinfo;
65#endif
66
67 puts("Board: Quad100hd");
68
Wolfgang Denkf0c0b3a2011-05-04 10:32:28 +000069 if (i > 0) {
Gary Jennejohn73ccb342008-04-28 14:04:32 +020070 puts(", serial# ");
Wolfgang Denkf0c0b3a2011-05-04 10:32:28 +000071 puts(buf);
Gary Jennejohn73ccb342008-04-28 14:04:32 +020072 }
73 putc('\n');
74
75#ifdef DISPLAY_BOARD_INFO
76 /* taken from ppcboot */
77 get_sys_info(&sysinfo);
78
79 printf("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz);
80 printf("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
81 printf("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
82 printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
83 printf("\tEPB: %lu MHz\n", sysinfo.freqPLB / (sysinfo.pllExtBusDiv *
84 1000000));
85 printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000);
86#endif
87
88 return 0;
89}