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stroese771e05b2004-12-16 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
wdenkefe2a4d2004-12-16 21:44:03 +000035int ide_preinit (void)
36{
37 int status;
38 pci_dev_t devbusfn;
39 int l;
stroese771e05b2004-12-16 18:21:17 +000040
wdenkefe2a4d2004-12-16 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);
46 if (devbusfn != -1) {
47 status = 0;
stroese771e05b2004-12-16 18:21:17 +000048
wdenkefe2a4d2004-12-16 21:44:03 +000049 pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0,
50 (u32 *) & ide_bus_offset[0]);
51 ide_bus_offset[0] &= 0xfffffffe;
52 ide_bus_offset[0] += CFG_PCI0_IO_SPACE;
53 pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_2,
54 (u32 *) & ide_bus_offset[1]);
55 ide_bus_offset[1] &= 0xfffffffe;
56 ide_bus_offset[1] += CFG_PCI0_IO_SPACE;
57 }
58 return (status);
59}
stroese771e05b2004-12-16 18:21:17 +000060
wdenkefe2a4d2004-12-16 21:44:03 +000061void ide_set_reset (int flag) {
62 return;
63}
stroese771e05b2004-12-16 18:21:17 +000064
65#endif /* of CONFIG_CMDS_IDE */