projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 771e05be SR |
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> | |
| 77a31854 | 28 | #if defined(CONFIG_CMD_IDE) |
| 771e05be SR |
29 | #include <ata.h> |
| 30 | #include <ide.h> | |
| 31 | #include <pci.h> | |
| 32 | ||
| 33 | extern ulong ide_bus_offset[CFG_IDE_MAXBUS]; | |
| 34 | ||
| efe2a4d5 WD |
35 | int ide_preinit (void) |
| 36 | { | |
| 37 | int status; | |
| 38 | pci_dev_t devbusfn; | |
| 39 | int l; | |
| 771e05be | 40 | |
| efe2a4d5 WD |
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); | |
| 46 | if (devbusfn != -1) { | |
| 47 | status = 0; | |
| 771e05be | 48 | |
| efe2a4d5 WD |
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; | |
| 57 | } | |
| 58 | return (status); | |
| 59 | } | |
| 771e05be | 60 | |
| efe2a4d5 WD |
61 | void ide_set_reset (int flag) { |
| 62 | return; | |
| 63 | } | |
| 771e05be SR |
64 | |
| 65 | #endif /* of CONFIG_CMDS_IDE */ |