/* * This file is part of the coreboot project. * * Copyright (C) 2004 Tyan Computer * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. * * 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 "ck804.h" static void ide_init(struct device *dev) { struct southbridge_nvidia_ck804_config *conf; u32 dword; u16 word; u8 byte; conf = dev->chip_info; word = pci_read_config16(dev, 0x50); /* Ensure prefetch is disabled. */ word &= ~((1 << 15) | (1 << 13)); if (conf->ide1_enable) { /* Enable secondary IDE interface. */ word |= (1 << 0); printk(BIOS_DEBUG, "IDE1 \t"); } if (conf->ide0_enable) { /* Enable primary IDE interface. */ word |= (1 << 1); printk(BIOS_DEBUG, "IDE0\n"); } word |= (1 << 12); word |= (1 << 14); pci_write_config16(dev, 0x50, word); byte = 0x20; /* Latency: 64 --> 32 */ pci_write_config8(dev, 0xd, byte); dword = pci_read_config32(dev, 0xf8); dword |= 12; pci_write_config32(dev, 0xf8, dword); } 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 = ck804_enable, .ops_pci = &ck804_pci_ops, }; static const struct pci_driver ide_driver __pci_driver = { .ops = &ide_ops, .vendor = PCI_VENDOR_ID_NVIDIA, .device = PCI_DEVICE_ID_NVIDIA_CK804_IDE, };