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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <bootstate.h>
#include <cpu/amd/mtrr.h>
#include <device/device.h>
#include <device/pci.h>
#include <drivers/i2c/designware/dw_i2c.h>
#include <romstage_handoff.h>
#include <soc/acpi.h>
#include <soc/cpu.h>
#include <soc/northbridge.h>
#include <soc/pci_devs.h>
#include <soc/southbridge.h>
#include "chip.h"
/* Supplied by i2c.c */
extern struct device_operations picasso_i2c_mmio_ops;
extern const char *i2c_acpi_name(const struct device *dev);
struct device_operations cpu_bus_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = picasso_init_cpus,
.acpi_fill_ssdt = generate_cpu_entries,
};
const char *soc_acpi_name(const struct device *dev)
{
if (dev->path.type == DEVICE_PATH_DOMAIN)
return "PCI0";
if (dev->path.type == DEVICE_PATH_USB) {
switch (dev->path.usb.port_type) {
case 0:
/* Root Hub */
return "RHUB";
case 3:
/* USB3 ports */
switch (dev->path.usb.port_id) {
case 0: return "SS01";
case 1: return "SS02";
case 2: return "SS03";
}
break;
}
return NULL;
}
if (dev->path.type != DEVICE_PATH_PCI)
return NULL;
switch (dev->path.pci.devfn) {
case GFX_DEVFN:
return "IGFX";
case PCIE0_DEVFN:
return "PBR4";
case PCIE1_DEVFN:
return "PBR5";
case PCIE2_DEVFN:
return "PBR6";
case PCIE3_DEVFN:
return "PBR7";
case PCIE4_DEVFN:
return "PBR8";
case HDA1_DEVFN:
return "AZHD";
case LPC_DEVFN:
return "LPCB";
case SATA_DEVFN:
return "STCR";
case SMBUS_DEVFN:
return "SBUS";
case XHCI0_DEVFN:
return "XHC0";
case XHCI1_DEVFN:
return "XHC1";
default:
return NULL;
}
};
struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = domain_set_resources,
.scan_bus = pci_domain_scan_bus,
.acpi_name = soc_acpi_name,
};
static void enable_dev(struct device *dev)
{
/* 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)
sb_enable(dev);
else if (dev->path.type == DEVICE_PATH_MMIO)
if (i2c_acpi_name(dev) != NULL)
dev->ops = &picasso_i2c_mmio_ops;
}
static void soc_init(void *chip_info)
{
southbridge_init(chip_info);
setup_bsp_ramtop();
}
static void soc_final(void *chip_info)
{
southbridge_final(chip_info);
}
struct chip_operations soc_amd_picasso_ops = {
CHIP_NAME("AMD Picasso SOC")
.enable_dev = enable_dev,
.init = soc_init,
.final = soc_final
};
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