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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <drivers/i2c/designware/dw_i2c.h>
#include <soc/acpi.h>
#include <soc/cpu.h>
#include <soc/data_fabric.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
#include <soc/southbridge.h>
#include "chip.h"
#include <fsp/api.h>
/* Supplied by i2c.c */
extern struct device_operations picasso_i2c_mmio_ops;
/* Supplied by uart.c */
extern struct device_operations picasso_uart_mmio_ops;
struct device_operations cpu_bus_ops = {
.read_resources = noop_read_resources,
.set_resources = noop_set_resources,
.init = mp_cpu_bus_init,
.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_PCI)
return NULL;
if (dev->bus->dev->path.type == DEVICE_PATH_DOMAIN) {
switch (dev->path.pci.devfn) {
case GNB_DEVFN:
return "GNB";
case IOMMU_DEVFN:
return "IOMM";
case LPC_DEVFN:
return "LPCB";
case SMBUS_DEVFN:
return "SBUS";
default:
printk(BIOS_WARNING, "Unknown root PCI device: dev: %d, fn: %d\n",
PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
return NULL;
}
}
printk(BIOS_WARNING, "Unknown PCI device: dev: %d, fn: %d\n",
PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
return NULL;
};
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
.scan_bus = pci_domain_scan_bus,
.acpi_name = soc_acpi_name,
};
static void set_mmio_dev_ops(struct device *dev)
{
switch (dev->path.mmio.addr) {
case APU_I2C2_BASE:
case APU_I2C3_BASE:
case APU_I2C4_BASE:
dev->ops = &picasso_i2c_mmio_ops;
break;
case APU_UART0_BASE:
case APU_UART1_BASE:
case APU_UART2_BASE:
case APU_UART3_BASE:
dev->ops = &picasso_uart_mmio_ops;
break;
}
}
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_MMIO) {
set_mmio_dev_ops(dev);
}
}
static void soc_init(void *chip_info)
{
default_dev_ops_root.write_acpi_tables = agesa_write_acpi_tables;
fsp_silicon_init(acpi_is_wakeup_s3());
data_fabric_set_mmio_np();
southbridge_init(chip_info);
}
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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