| /* |
| * (C) Copyright 2000 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| * |
| */ |
| /* ide.c - ide support functions */ |
| |
| |
| #include <common.h> |
| #ifdef CFG_CMD_IDE |
| #include <ata.h> |
| #include <ide.h> |
| #include <pci.h> |
| |
| extern ulong ide_bus_offset[CFG_IDE_MAXBUS]; |
| |
| int ide_preinit (void) |
| { |
| int status; |
| pci_dev_t devbusfn; |
| int l; |
| |
| status = 1; |
| for (l = 0; l < CFG_IDE_MAXBUS; l++) { |
| ide_bus_offset[l] = -ATA_STATUS; |
| } |
| devbusfn = pci_find_device (0x1103, 0x0004, 0); |
| if (devbusfn != -1) { |
| status = 0; |
| |
| pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, |
| (u32 *) & ide_bus_offset[0]); |
| ide_bus_offset[0] &= 0xfffffffe; |
| ide_bus_offset[0] += CFG_PCI0_IO_SPACE; |
| pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_2, |
| (u32 *) & ide_bus_offset[1]); |
| ide_bus_offset[1] &= 0xfffffffe; |
| ide_bus_offset[1] += CFG_PCI0_IO_SPACE; |
| } |
| return (status); |
| } |
| |
| void ide_set_reset (int flag) { |
| return; |
| } |
| |
| #endif /* of CONFIG_CMDS_IDE */ |
