1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* (C) Copyright 2008
* Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
*
* Based in part on board/icecube/icecube.c from PPCBoot
* (C) Copyright 2003 Intrinsyc Software
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <environment.h>
#include <logbuff.h>
#include <post.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/ppc4xx-gpio.h>
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
/* taken from PPCBoot */
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
mtdcr(UIC0ER, 0x00000000); /* disable all ints */
mtdcr(UIC0CR, 0x00000000);
mtdcr(UIC0PR, 0xFFFF7FFE); /* set int polarities */
mtdcr(UIC0TR, 0x00000000); /* set int trigger levels */
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
mtdcr(CPC0_SRR, 0x00040000); /* Hold PCI bridge in reset */
return 0;
}
/*
* Check Board Identity:
*/
int checkboard(void)
{
char buf[64];
int i = getenv_f("serial#", buf, sizeof(buf));
#ifdef DISPLAY_BOARD_INFO
sys_info_t sysinfo;
#endif
puts("Board: Quad100hd");
if (i > 0) {
puts(", serial# ");
puts(buf);
}
putc('\n');
#ifdef DISPLAY_BOARD_INFO
/* taken from ppcboot */
get_sys_info(&sysinfo);
printf("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz);
printf("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
printf("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
printf("\tEPB: %lu MHz\n", sysinfo.freqPLB / (sysinfo.pllExtBusDiv *
1000000));
printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000);
#endif
return 0;
}
|
