3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
24 /* ide.c - ide support functions */
33 extern ulong ide_bus_offset[CFG_IDE_MAXBUS];
35 int ide_preinit (void)
42 for (l = 0; l < CFG_IDE_MAXBUS; l++) {
43 ide_bus_offset[l] = -ATA_STATUS;
45 devbusfn = pci_find_device (0x1103, 0x0004, 0);
49 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;
61 void ide_set_reset (int flag) {
65 #endif /* of CONFIG_CMDS_IDE */