source: SVN/rincon/u-boot/board/freescale/common/cds_pci_ft.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.7 KB
Line 
1/*
2 * Copyright 2004 Freescale Semiconductor.
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23#include <common.h>
24#include <libfdt.h>
25#include <fdt_support.h>
26#include "cadmus.h"
27
28#if defined(CONFIG_OF_BOARD_SETUP)
29static void cds_pci_fixup(void *blob)
30{
31        int node, tmp[2];
32        const char *path;
33        int len, slot, i;
34        u32 *map = NULL;
35
36        node = fdt_path_offset(blob, "/aliases");
37        tmp[0] = 0;
38        if (node >= 0) {
39                path = fdt_getprop(blob, node, "pci0", NULL);
40                if (path) {
41                        node = fdt_path_offset(blob, path);
42                        if (node >= 0) {
43                                map = fdt_getprop_w(blob, node, "interrupt-map", &len);
44                        }
45                }
46        }
47
48        if (map) {
49                len /= sizeof(u32);
50
51                slot = get_pci_slot();
52
53                for (i=0;i<len;i+=7) {
54                        /* We rotate the interrupt pins so that the mapping
55                         * changes depending on the slot the carrier card is in.
56                         */
57                        map[3] = ((map[3] + slot - 2) % 4) + 1;
58                        map+=7;
59                }
60        }
61}
62
63void
64ft_board_setup(void *blob, bd_t *bd)
65{
66        ft_cpu_setup(blob, bd);
67#ifdef CONFIG_PCI
68        ft_pci_setup(blob, bd);
69        cds_pci_fixup(blob);
70#endif
71}
72#endif
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