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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2005 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; 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 <delay.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <arch/io.h>
#include "bcm5785.h"
static void sata_init(struct device *dev)
{
uint8_t byte;
u8 *mmio;
struct resource *res;
u8 *mmio_base;
int i;
if(!(dev->path.pci.devfn & 7)) { // only set it in Func0
byte = pci_read_config8(dev, 0x78);
byte |= (1<<7);
pci_write_config8(dev, 0x78, byte);
res = find_resource(dev, 0x24);
mmio_base = res2mmio(res, 0, 3);
write32(mmio_base + 0x10f0, 0x40000001);
write32(mmio_base + 0x8c, 0x00ff2007);
mdelay( 10 );
write32(mmio_base + 0x8c, 0x78592009);
mdelay( 10 );
write32(mmio_base + 0x8c, 0x00082004);
mdelay( 10 );
write32(mmio_base + 0x8c, 0x00002004);
mdelay( 10 );
//init PHY
printk(BIOS_DEBUG, "init PHY...\n");
for(i=0; i<4; i++) {
mmio = (u8 *)(uintptr_t)(res->base + 0x100 * i);
byte = read8(mmio + 0x40);
printk(BIOS_DEBUG, "port %d PHY status = %02x\n", i, byte);
if(byte & 0x4) {// bit 2 is set
byte = read8(mmio+0x48);
write8(mmio + 0x48, byte | 1);
write8(mmio + 0x48, byte & (~1));
byte = read8(mmio + 0x40);
printk(BIOS_DEBUG, "after reset port %d PHY status = %02x\n", i, byte);
}
}
}
}
static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
pci_write_config32(dev, 0x40,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
static struct pci_operations lops_pci = {
.set_subsystem = lpci_set_subsystem,
};
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 = bcm5785_enable,
.init = sata_init,
.scan_bus = 0,
.ops_pci = &lops_pci,
};
static const struct pci_driver sata0_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_SERVERWORKS,
.device = PCI_DEVICE_ID_SERVERWORKS_BCM5785_SATA,
};
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