stroese | c096c84 | 2004-12-16 18:21:17 +0000 | [diff] [blame] | 1 | /* |
| 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 Loeliger | 13f7599 | 2007-07-10 10:39:10 -0500 | [diff] [blame] | 28 | #if defined(CONFIG_CMD_IDE) |
stroese | c096c84 | 2004-12-16 18:21:17 +0000 | [diff] [blame] | 29 | #include <ata.h> |
| 30 | #include <ide.h> |
| 31 | #include <pci.h> |
| 32 | |
| 33 | extern ulong ide_bus_offset[CFG_IDE_MAXBUS]; |
| 34 | |
wdenk | 07d7e6b | 2004-12-16 21:44:03 +0000 | [diff] [blame] | 35 | int ide_preinit (void) |
| 36 | { |
| 37 | int status; |
| 38 | pci_dev_t devbusfn; |
| 39 | int l; |
stroese | c096c84 | 2004-12-16 18:21:17 +0000 | [diff] [blame] | 40 | |
wdenk | 07d7e6b | 2004-12-16 21:44:03 +0000 | [diff] [blame] | 41 | 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 Roese | 614320f | 2007-06-22 17:32:28 +0200 | [diff] [blame] | 46 | if (devbusfn == -1) |
| 47 | devbusfn = pci_find_device (0x1095, 0x3114, 0); |
wdenk | 07d7e6b | 2004-12-16 21:44:03 +0000 | [diff] [blame] | 48 | if (devbusfn != -1) { |
| 49 | status = 0; |
stroese | c096c84 | 2004-12-16 18:21:17 +0000 | [diff] [blame] | 50 | |
wdenk | 07d7e6b | 2004-12-16 21:44:03 +0000 | [diff] [blame] | 51 | 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 | } |
stroese | c096c84 | 2004-12-16 18:21:17 +0000 | [diff] [blame] | 62 | |
wdenk | 07d7e6b | 2004-12-16 21:44:03 +0000 | [diff] [blame] | 63 | void ide_set_reset (int flag) { |
| 64 | return; |
| 65 | } |
stroese | c096c84 | 2004-12-16 18:21:17 +0000 | [diff] [blame] | 66 | |
| 67 | #endif /* of CONFIG_CMDS_IDE */ |