b4fa3fd2ae
Change-Id: I07f4190ab73ec3468e3738be14d64468e2a05720 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8340 Tested-by: build bot (Jenkins) Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2004 Tyan Computer
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* Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <device/pci_ops.h>
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#include "chip.h"
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static void ide_init(struct device *dev)
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{
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struct southbridge_nvidia_ck804_config *conf;
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u32 dword;
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u16 word;
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u8 byte;
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conf = dev->chip_info;
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word = pci_read_config16(dev, 0x50);
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/* Ensure prefetch is disabled. */
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word &= ~((1 << 15) | (1 << 13));
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if (conf->ide1_enable) {
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/* Enable secondary IDE interface. */
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word |= (1 << 0);
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printk(BIOS_DEBUG, "IDE1 \t");
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}
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if (conf->ide0_enable) {
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/* Enable primary IDE interface. */
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word |= (1 << 1);
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printk(BIOS_DEBUG, "IDE0\n");
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}
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word |= (1 << 12);
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word |= (1 << 14);
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pci_write_config16(dev, 0x50, word);
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byte = 0x20; /* Latency: 64 --> 32 */
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pci_write_config8(dev, 0xd, byte);
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dword = pci_read_config32(dev, 0xf8);
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dword |= 12;
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pci_write_config32(dev, 0xf8, dword);
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}
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static struct device_operations ide_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = ide_init,
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.scan_bus = 0,
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.ops_pci = &ck804_pci_ops,
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};
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static const struct pci_driver ide_driver __pci_driver = {
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.ops = &ide_ops,
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.vendor = PCI_VENDOR_ID_NVIDIA,
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.device = PCI_DEVICE_ID_NVIDIA_CK804_IDE,
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};
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