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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2004 Tyan Computer
* Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
* Copyright (C) 2006,2007 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
*
* 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 <delay.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include "mcp55.h"
static void sata_init(struct device *dev)
{
u32 dword;
struct southbridge_nvidia_mcp55_config *conf;
conf = dev->chip_info;
dword = pci_read_config32(dev, 0x50);
/* Ensure prefetch is disabled */
dword &= ~((1 << 15) | (1 << 13));
if(conf) {
if (conf->sata1_enable) {
/* Enable secondary SATA interface */
dword |= (1<<0);
printk(BIOS_DEBUG, "SATA S\t");
}
if (conf->sata0_enable) {
/* Enable primary SATA interface */
dword |= (1<<1);
printk(BIOS_DEBUG, "SATA P\n");
}
} else {
dword |= (1<<1) | (1<<0);
printk(BIOS_DEBUG, "SATA P and S\n");
}
#if 1
dword &= ~(0x1f<<24);
dword |= (0x15<<24);
#endif
pci_write_config32(dev, 0x50, dword);
dword = pci_read_config32(dev, 0xf8);
dword |= 2;
pci_write_config32(dev, 0xf8, dword);
}
static struct device_operations sata_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
// .enable = mcp55_enable,
.init = sata_init,
.scan_bus = 0,
.ops_pci = &mcp55_pci_ops,
};
static const struct pci_driver sata0_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_NVIDIA,
.device = PCI_DEVICE_ID_NVIDIA_MCP55_SATA0,
};
static const struct pci_driver sata1_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_NVIDIA,
.device = PCI_DEVICE_ID_NVIDIA_MCP55_SATA1,
};
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