| /* 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 */ |
| switch (dev->path.type) { |
| case DEVICE_PATH_DOMAIN: |
| dev->ops = &pci_domain_ops; |
| break; |
| case DEVICE_PATH_CPU_CLUSTER: |
| dev->ops = &cpu_bus_ops; |
| break; |
| case DEVICE_PATH_MMIO: |
| set_mmio_dev_ops(dev); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| 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 |
| }; |