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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2017 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.
*/
#include <chip.h>
#include <cpu/amd/mtrr.h>
#include <cpu/cpu.h>
#include <device/device.h>
#include <device/pci.h>
#include <soc/hudson.h>
#include <soc/northbridge.h>
static void cpu_bus_init(device_t dev)
{
initialize_cpus(dev->link_list);
}
struct device_operations cpu_bus_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = &cpu_bus_init,
.scan_bus = cpu_bus_scan,
};
struct device_operations pci_domain_ops = {
.read_resources = domain_read_resources,
.set_resources = domain_set_resources,
.enable_resources = domain_enable_resources,
.init = NULL,
.scan_bus = pci_domain_scan_bus,
.ops_pci_bus = pci_bus_default_ops,
};
static void enable_dev(device_t dev)
{
static int done = 0;
if (!done) {
setup_bsp_ramtop();
done = 1;
}
/* Set the operations if it is a special bus type */
if (dev->path.type == DEVICE_PATH_DOMAIN) {
dev->ops = &pci_domain_ops;
} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
dev->ops = &cpu_bus_ops;
} else if (dev->path.type == DEVICE_PATH_PCI) {
hudson_enable(dev);
}
}
static void soc_init(void *chip_info)
{
hudson_init(chip_info);
}
static void soc_final(void *chip_info)
{
hudson_final(chip_info);
fam15_finalize(chip_info);
}
struct chip_operations soc_amd_stoneyridge_ops = {
CHIP_NAME("AMD StoneyRidge SOC")
.enable_dev = &enable_dev,
.init = &soc_init,
.final = &soc_final
};
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