| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2004 Ronald G. Minnich |
| * |
| * 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; version 2 of |
| * the License. |
| * |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| #include "i82801dx.h" |
| |
| typedef struct southbridge_intel_i82801dx_config config_t; |
| |
| static void ide_init(struct device *dev) |
| { |
| /* Get the chip configuration */ |
| config_t *config = dev->chip_info; |
| |
| /* Enable IDE devices so the Linux IDE driver will work. */ |
| uint16_t ideTimingConfig; |
| |
| ideTimingConfig = pci_read_config16(dev, IDE_TIM_PRI); |
| ideTimingConfig &= ~IDE_DECODE_ENABLE; |
| if (!config || config->ide0_enable) { |
| /* Enable primary IDE interface. */ |
| ideTimingConfig |= IDE_DECODE_ENABLE; |
| printk_debug("IDE0: Primary IDE interface is enabled\n"); |
| } else { |
| printk_info("IDE0: Primary IDE interface is disabled\n"); |
| } |
| pci_write_config16(dev, IDE_TIM_PRI, ideTimingConfig); |
| |
| ideTimingConfig = pci_read_config16(dev, IDE_TIM_SEC); |
| ideTimingConfig &= ~IDE_DECODE_ENABLE; |
| if (!config || config->ide1_enable) { |
| /* Enable secondary IDE interface. */ |
| ideTimingConfig |= IDE_DECODE_ENABLE; |
| printk_debug("IDE1: Secondary IDE interface is enabled\n"); |
| } else { |
| printk_info("IDE1: Secondary IDE interface is disabled\n"); |
| } |
| pci_write_config16(dev, IDE_TIM_SEC, ideTimingConfig); |
| } |
| |
| static struct device_operations ide_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = ide_init, |
| .scan_bus = 0, |
| .enable = i82801dx_enable, |
| }; |
| |
| /* 82801DB */ |
| static const struct pci_driver i82801db_ide __pci_driver = { |
| .ops = &ide_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = 0x24cb, |
| }; |
| |
| /* 82801DBM */ |
| static const struct pci_driver i82801dbm_ide __pci_driver = { |
| .ops = &ide_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = 0x24ca, |
| }; |