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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
*
* 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 <types.h>
#include <lib.h>
#include <console.h>
#include <device/pci.h>
#include <msr.h>
#include <legacy.h>
#include <device/pci_ids.h>
#include <statictree.h>
#include <config.h>
#include "sb600.h"
static void ide_init(struct device *dev)
{
struct southbridge_amd_sb600_ide_dts_config *conf;
/* Enable ide devices so the linux ide driver will work */
u32 dword;
u8 byte;
conf = dev->device_configuration;
/* RPR10.1 disable MSI */
dword = pci_read_config32(dev, 0x70);
dword &= ~(1 << 16);
pci_write_config32(dev, 0x70, dword);
/* Ultra DMA mode */
byte = pci_read_config8(dev, 0x54);
byte |= 1 << 0;
pci_write_config8(dev, 0x54, byte);
byte = pci_read_config8(dev, 0x56);
byte &= ~(7 << 0);
byte |= 5 << 0; /* mode 5 */
pci_write_config8(dev, 0x56, byte);
/* Enable I/O Access&& Bus Master */
dword = pci_read_config16(dev, 0x4);
dword |= 1 << 2;
pci_write_config16(dev, 0x4, dword);
#if CONFIG_PCI_ROM_RUN == 1
pci_dev_init(dev);
#endif
}
static struct pci_operations lops_pci = {
.set_subsystem = pci_dev_set_subsystem,
};
struct device_operations sb600_ide = {
.id = {.type = DEVICE_ID_PCI,
{.pci = {.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_IDE}}},
.constructor = default_device_constructor,
.phase4_read_resources = pci_dev_read_resources,
.phase4_set_resources = pci_dev_set_resources,
.phase5_enable_resources = pci_dev_enable_resources,
.phase6_init = ide_init,
.ops_pci = &lops_pci
};
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