source: SVN/rincon/u-boot/board/esd/cpci750/ide.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: 1.8 KB
Line 
1/*
2 * (C) Copyright 2000
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/* ide.c - ide support functions */
25
26
27#include <common.h>
28#if defined(CONFIG_CMD_IDE)
29#include <ata.h>
30#include <ide.h>
31#include <pci.h>
32
33extern ulong ide_bus_offset[CFG_IDE_MAXBUS];
34
35int ide_preinit (void)
36{
37        int status;
38        pci_dev_t devbusfn;
39        int l;
40
41        status = 1;
42        for (l = 0; l < CFG_IDE_MAXBUS; l++) {
43                ide_bus_offset[l] = -ATA_STATUS;
44        }
45        devbusfn = pci_find_device (0x1103, 0x0004, 0);
46        if (devbusfn == -1)
47                devbusfn = pci_find_device (0x1095, 0x3114, 0);
48        if (devbusfn != -1) {
49                status = 0;
50
51                pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0,
52                                       (u32 *) & ide_bus_offset[0]);
53                ide_bus_offset[0] &= 0xfffffffe;
54                ide_bus_offset[0] += CFG_PCI0_IO_SPACE;
55                pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_2,
56                                       (u32 *) & ide_bus_offset[1]);
57                ide_bus_offset[1] &= 0xfffffffe;
58                ide_bus_offset[1] += CFG_PCI0_IO_SPACE;
59        }
60        return (status);
61}
62
63void ide_set_reset (int flag) {
64        return;
65}
66
67#endif /* of CONFIG_CMDS_IDE */
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