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stroesec096c842004-12-16 18:21:17 +00001/*
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#ifdef CFG_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
36 (
37 void
38 )
39 {
40 int status;
41 pci_dev_t devbusfn;
42 int l;
43
44 status = 1;
45 for(l=0;l<CFG_IDE_MAXBUS;l++)
46 {
47 ide_bus_offset[l] = -ATA_STATUS;
48 }
49 devbusfn = pci_find_device(0x1103, 0x0004, 0);
50 if (devbusfn != -1)
51 {
52 status = 0;
53
54 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, (u32 *)&ide_bus_offset[0]);
55 ide_bus_offset[0] &= 0xfffffffe;
56 ide_bus_offset[0] += CFG_PCI0_IO_SPACE;
57 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_2, (u32 *)&ide_bus_offset[1]);
58 ide_bus_offset[1] &= 0xfffffffe;
59 ide_bus_offset[1] += CFG_PCI0_IO_SPACE;
60 }
61 return(status);
62 }
63
64void ide_set_reset
65 (
66 int flag
67 )
68 {
69 return;
70 }
71
72#endif /* of CONFIG_CMDS_IDE */