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 */
28 #if defined(CONFIG_CMD_IDE)
35 int ata_device(int dev)
39 retval = (dev & 1) << 4;
40 if (cpci_hd_type == 2)
46 int ide_preinit (void)
54 if (CPCI750_SLAVE_TEST != 0)
56 for (l = 0; l < CONFIG_SYS_IDE_MAXBUS; l++) {
57 ide_bus_offset[l] = -ATA_STATUS;
59 devbusfn = pci_find_device (0x1103, 0x0004, 0);
63 devbusfn = pci_find_device (0x1095, 0x3114, 0);
69 ulong *ide_bus_offset_ptr;
73 ide_bus_offset_ptr = &ide_bus_offset[0];
74 pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0,
75 (u32 *)ide_bus_offset_ptr);
76 ide_bus_offset[0] &= 0xfffffffe;
77 ide_bus_offset[0] += CONFIG_SYS_PCI0_IO_SPACE;
78 ide_bus_offset_ptr = &ide_bus_offset[1];
79 pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_2,
80 (u32 *)ide_bus_offset_ptr);
81 ide_bus_offset[1] &= 0xfffffffe;
82 ide_bus_offset[1] += CONFIG_SYS_PCI0_IO_SPACE;
87 void ide_set_reset (int flag) {
91 #endif /* of CONFIG_CMDS_IDE */