| /* |
| * This file is part of the coreboot 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 "cs5530.h" |
| |
| /** |
| * Initialize the IDE controller. |
| * |
| * Depending on the configuration variables 'ide0_enable' and 'ide1_enable' |
| * enable or disable the primary and secondary IDE interface, respectively. |
| * |
| * @param dev The device to use. |
| */ |
| static void ide_init(struct device *dev) |
| { |
| uint8_t reg8; |
| struct southbridge_amd_cs5530_config *conf = dev->chip_info; |
| |
| reg8 = pci_read_config8(dev, DECODE_CONTROL_REG2); |
| |
| /* Enable/disable the primary IDE interface. */ |
| if (conf->ide0_enable) { |
| reg8 |= PRIMARY_IDE_ENABLE; |
| } else { |
| reg8 &= ~(PRIMARY_IDE_ENABLE); |
| } |
| |
| /* Enable/disable the secondary IDE interface. */ |
| if (conf->ide1_enable) { |
| reg8 |= SECONDARY_IDE_ENABLE; |
| } else { |
| reg8 &= ~(SECONDARY_IDE_ENABLE); |
| } |
| |
| pci_write_config8(dev, DECODE_CONTROL_REG2, reg8); |
| |
| printk(BIOS_INFO, "%s IDE interface %s\n", "Primary", |
| conf->ide0_enable ? "enabled" : "disabled"); |
| printk(BIOS_INFO, "%s IDE interface %s\n", "Secondary", |
| conf->ide1_enable ? "enabled" : "disabled"); |
| } |
| |
| 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, |
| .enable = 0, |
| .scan_bus = scan_static_bus, |
| .ops_pci = 0, |
| }; |
| |
| static const struct pci_driver ide_driver __pci_driver = { |
| .ops = &ide_ops, |
| .vendor = PCI_VENDOR_ID_CYRIX, |
| .device = PCI_DEVICE_ID_CYRIX_5530_IDE, |
| }; |