| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2005 Tyan Computer |
| * (Written by Yinghai Lu <yinghailu@gmail.com> for Tyan Computer) |
| * Copyright (C) 2005 Digital Design Corporation |
| * (Written by Steven J. Magnani <steve@digidescorp.com> for Digital Design) |
| * |
| * 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. |
| */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include "i82801bx.h" |
| |
| typedef struct southbridge_intel_i82801bx_config config_t; |
| |
| static void ide_init(struct device *dev) |
| { |
| u16 reg16; |
| config_t *conf = dev->chip_info; |
| |
| reg16 = pci_read_config16(dev, IDE_TIM_PRI); |
| reg16 &= ~IDE_DECODE_ENABLE; |
| if (!conf || conf->ide0_enable) |
| reg16 |= IDE_DECODE_ENABLE; |
| printk(BIOS_DEBUG, "IDE: %s IDE interface: %s\n", "Primary", |
| (reg16 & IDE_DECODE_ENABLE) ? "on" : "off"); |
| pci_write_config16(dev, IDE_TIM_PRI, reg16); |
| |
| reg16 = pci_read_config16(dev, IDE_TIM_SEC); |
| reg16 &= ~IDE_DECODE_ENABLE; |
| if (!conf || conf->ide1_enable) |
| reg16 |= IDE_DECODE_ENABLE; |
| printk(BIOS_DEBUG, "IDE: %s IDE interface: %s\n", "Secondary", |
| (reg16 & IDE_DECODE_ENABLE) ? "on" : "off"); |
| pci_write_config16(dev, IDE_TIM_SEC, reg16); |
| } |
| |
| 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 = i82801bx_enable, |
| }; |
| |
| /* 82801BA/BAM (ICH2/ICH2-M) */ |
| static const struct pci_driver i82801ba_ide __pci_driver = { |
| .ops = &ide_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = 0x244b, |
| }; |