| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <arch/pci_ops.h> |
| |
| #include <soc/pci_devs.h> |
| #include <soc/ramstage.h> |
| #include "chip.h" |
| |
| 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, |
| }; |
| |
| static struct device_operations cpu_bus_ops = { |
| .read_resources = noop_read_resources, |
| .set_resources = noop_set_resources, |
| .init = baytrail_init_cpus, |
| }; |
| |
| 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) { |
| /* Handle south cluster enablement. */ |
| if (PCI_SLOT(dev->path.pci.devfn) > GFX_DEV && |
| (dev->ops == NULL || dev->ops->enable == NULL)) { |
| southcluster_enable_dev(dev); |
| } |
| } |
| } |
| |
| /* Called at BS_DEV_INIT_CHIPS time -- very early. Just after BS_PRE_DEVICE. */ |
| static void soc_init(void *chip_info) |
| { |
| baytrail_init_pre_device(chip_info); |
| } |
| |
| struct chip_operations soc_intel_baytrail_ops = { |
| CHIP_NAME("Intel BayTrail SoC") |
| .enable_dev = enable_dev, |
| .init = soc_init, |
| }; |
| |
| struct pci_operations soc_pci_ops = { |
| .set_subsystem = &pci_dev_set_subsystem, |
| }; |