| /* |
| * This file is part of the LinuxBIOS project. |
| * |
| * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de> |
| * |
| * 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., 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 "i82371eb.h" |
| |
| /** |
| * Initialize the IDE controller. |
| * |
| * Depending on the configuration variables 'ide0_enable' and 'ide1_enable' |
| * we enable or disable the primary and secondary IDE interface, respectively. |
| * |
| * @param dev The device to use. |
| */ |
| static void ide_init(struct device *dev) |
| { |
| uint16_t reg; |
| struct southbridge_intel_i82371eb_config *conf; |
| |
| conf = dev->chip_info; |
| |
| /* Enable/disable the primary IDE interface. */ |
| reg = pci_read_config16(dev, IDETIM_PRI); |
| if (conf->ide0_enable) { |
| reg |= IDE_DECODE_ENABLE; |
| print_info("Primary IDE interface enabled\n"); |
| } else { |
| reg &= ~(IDE_DECODE_ENABLE); |
| print_info("Primary IDE interface disabled\n"); |
| } |
| pci_write_config16(dev, IDETIM_PRI, reg); |
| |
| /* Enable/disable the secondary IDE interface. */ |
| reg = pci_read_config16(dev, IDETIM_SEC); |
| if (conf->ide1_enable) { |
| reg |= IDE_DECODE_ENABLE; |
| print_info("Secondary IDE interface enabled\n"); |
| } else { |
| reg &= ~(IDE_DECODE_ENABLE); |
| print_info("Secondary IDE interface disabled\n"); |
| } |
| pci_write_config16(dev, IDETIM_SEC, reg); |
| } |
| |
| /* There are no subsystem IDs on the Intel 82371EB. */ |
| static struct pci_operations lops_pci = { |
| // .set_subsystem = 0, |
| }; |
| |
| 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, |
| .ops_pci = &lops_pci, |
| }; |
| |
| static struct pci_driver ide_driver __pci_driver = { |
| .ops = &ide_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = PCI_DEVICE_ID_INTEL_82371AB_IDE, |
| }; |