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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>
Jon Loeliger13f75992007-07-10 10:39:10 -050028#if defined(CONFIG_CMD_IDE)
stroesec096c842004-12-16 18:21:17 +000029#include <ata.h>
30#include <ide.h>
31#include <pci.h>
32
33extern ulong ide_bus_offset[CFG_IDE_MAXBUS];
34
wdenk07d7e6b2004-12-16 21:44:03 +000035int ide_preinit (void)
36{
37 int status;
38 pci_dev_t devbusfn;
39 int l;
stroesec096c842004-12-16 18:21:17 +000040
wdenk07d7e6b2004-12-16 21:44:03 +000041 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);
Stefan Roese614320f2007-06-22 17:32:28 +020046 if (devbusfn == -1)
47 devbusfn = pci_find_device (0x1095, 0x3114, 0);
wdenk07d7e6b2004-12-16 21:44:03 +000048 if (devbusfn != -1) {
49 status = 0;
stroesec096c842004-12-16 18:21:17 +000050
wdenk07d7e6b2004-12-16 21:44:03 +000051 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}
stroesec096c842004-12-16 18:21:17 +000062
wdenk07d7e6b2004-12-16 21:44:03 +000063void ide_set_reset (int flag) {
64 return;
65}
stroesec096c842004-12-16 18:21:17 +000066
67#endif /* of CONFIG_CMDS_IDE */