blob: 30601fd630bf959419a275d2f1dbc7768b1b998f [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* (C) 2004 Linux Networx
*
* 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.
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <arch/io.h>
#include <delay.h>
#include "amd8111.h"
#define CMD3 0x54
typedef enum {
VAL3 = (1 << 31), /* VAL bit for byte 3 */
VAL2 = (1 << 23), /* VAL bit for byte 2 */
VAL1 = (1 << 15), /* VAL bit for byte 1 */
VAL0 = (1 << 7), /* VAL bit for byte 0 */
}VAL_BITS;
typedef enum {
/* VAL3 */
ASF_INIT_DONE_ALIAS = (1 << 29),
/* VAL2 */
JUMBO = (1 << 21),
VSIZE = (1 << 20),
VLONLY = (1 << 19),
VL_TAG_DEL = (1 << 18),
/* VAL1 */
EN_PMGR = (1 << 14),
INTLEVEL = (1 << 13),
FORCE_FULL_DUPLEX = (1 << 12),
FORCE_LINK_STATUS = (1 << 11),
APEP = (1 << 10),
MPPLBA = (1 << 9),
/* VAL0 */
RESET_PHY_PULSE = (1 << 2),
RESET_PHY = (1 << 1),
PHY_RST_POL = (1 << 0),
}CMD3_BITS;
static void nic_init(struct device *dev)
{
struct southbridge_amd_amd8111_config *conf;
struct resource *resource;
u8 *mmio;
conf = dev->chip_info;
resource = find_resource(dev, PCI_BASE_ADDRESS_0);
mmio = res2mmio(resource, 0, 0);
/* Hard Reset PHY */
printk(BIOS_DEBUG, "Resetting PHY... ");
if (conf->phy_lowreset) {
write32((mmio + CMD3), VAL0 | PHY_RST_POL | RESET_PHY);
} else {
write32((mmio + CMD3), VAL0 | RESET_PHY);
}
mdelay(15);
write32((mmio + CMD3), RESET_PHY);
printk(BIOS_DEBUG, "Done\n");
}
static void lpci_set_subsystem(struct device *dev, unsigned int vendor,
unsigned int device)
{
pci_write_config32(dev, 0xc8,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
static struct pci_operations lops_pci = {
.set_subsystem = lpci_set_subsystem,
};
static struct device_operations nic_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = nic_init,
.scan_bus = 0,
.enable = amd8111_enable,
.ops_pci = &lops_pci,
};
static const struct pci_driver nic_driver __pci_driver = {
.ops = &nic_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_8111_NIC,
};