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73ccb341 GJ |
1 | /* |
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> | |
09887762 | 36 | #include <asm/ppc4xx-gpio.h> |
73ccb341 GJ |
37 | |
38 | DECLARE_GLOBAL_DATA_PTR; | |
39 | ||
40 | int board_early_init_f(void) | |
41 | { | |
42 | /* taken from PPCBoot */ | |
952e7760 SR |
43 | 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 */ | |
73ccb341 GJ |
50 | |
51 | mtdcr(CPC0_SRR, 0x00040000); /* Hold PCI bridge in reset */ | |
52 | ||
53 | return 0; | |
54 | } | |
55 | ||
56 | /* | |
57 | * Check Board Identity: | |
58 | */ | |
59 | int checkboard(void) | |
60 | { | |
f0c0b3a9 WD |
61 | char buf[64]; |
62 | int i = getenv_f("serial#", buf, sizeof(buf)); | |
73ccb341 GJ |
63 | #ifdef DISPLAY_BOARD_INFO |
64 | sys_info_t sysinfo; | |
65 | #endif | |
66 | ||
67 | puts("Board: Quad100hd"); | |
68 | ||
f0c0b3a9 | 69 | if (i > 0) { |
73ccb341 | 70 | puts(", serial# "); |
f0c0b3a9 | 71 | puts(buf); |
73ccb341 GJ |
72 | } |
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 | } |