| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi_device.h> |
| #include <acpi/acpigen.h> |
| #include <cbmem.h> |
| #include <console/console.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <intelblocks/cse.h> |
| #include "chip.h" |
| |
| static void ish_fill_ssdt_generator(const struct device *dev) |
| { |
| struct drivers_intel_ish_config *config = dev->chip_info; |
| struct device *root = dev->bus->dev; |
| struct acpi_dp *dsd; |
| |
| if (!config) |
| return; |
| |
| acpigen_write_scope(acpi_device_path(root)); |
| |
| dsd = acpi_dp_new_table("_DSD"); |
| |
| if (config->firmware_name) { |
| acpi_dp_add_string(dsd, "firmware-name", config->firmware_name); |
| printk(BIOS_INFO, "%s: Set firmware-name: %s\n", |
| acpi_device_path(root), config->firmware_name); |
| } |
| |
| if (config->add_acpi_dma_property) |
| acpi_device_add_dma_property(dsd); |
| |
| acpi_dp_write(dsd); |
| |
| acpigen_pop_len(); /* Scope */ |
| } |
| |
| static struct device_operations intel_ish_ops = { |
| .read_resources = noop_read_resources, |
| .set_resources = noop_set_resources, |
| .acpi_fill_ssdt = ish_fill_ssdt_generator, |
| }; |
| |
| static void intel_ish_enable(struct device *dev) |
| { |
| /* This dev is a generic device that is a child to the ISH PCI device */ |
| dev->ops = &intel_ish_ops; |
| } |
| |
| static void intel_ish_get_version(void) |
| { |
| struct cse_fw_partition_info *version = cbmem_find(CBMEM_ID_CSE_PARTITION_VERSION); |
| if (version == NULL) |
| return; |
| |
| printk(BIOS_DEBUG, "ISH version: %d.%d.%d.%d\n", |
| version->ish_partition_info.cur_ish_fw_version.major, |
| version->ish_partition_info.cur_ish_fw_version.minor, |
| version->ish_partition_info.cur_ish_fw_version.hotfix, |
| version->ish_partition_info.cur_ish_fw_version.build); |
| } |
| |
| static void intel_ish_final(struct device *dev) |
| { |
| if (CONFIG(SOC_INTEL_STORE_CSE_FPT_PARTITION_VERSION)) |
| intel_ish_get_version(); |
| } |
| |
| /* Copy of default_pci_ops_dev with scan_bus addition */ |
| static const struct device_operations pci_ish_device_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = pci_dev_init, |
| .scan_bus = &scan_generic_bus, /* Non-default */ |
| .ops_pci = &pci_dev_ops_pci, |
| .final = intel_ish_final, |
| }; |
| |
| static const unsigned short pci_device_ids[] = { |
| PCI_DID_INTEL_MTL_ISHB, |
| PCI_DID_INTEL_CNL_ISHB, |
| PCI_DID_INTEL_CML_ISHB, |
| PCI_DID_INTEL_TGL_ISHB, |
| PCI_DID_INTEL_TGL_H_ISHB, |
| PCI_DID_INTEL_ADL_N_ISHB, |
| PCI_DID_INTEL_ADL_P_ISHB, |
| 0 |
| }; |
| |
| static const struct pci_driver ish_intel_driver __pci_driver = { |
| .ops = &pci_ish_device_ops, |
| .vendor = PCI_VID_INTEL, |
| .devices = pci_device_ids, |
| }; |
| |
| struct chip_operations drivers_intel_ish_ops = { |
| CHIP_NAME("Intel ISH Chip") |
| .enable_dev = intel_ish_enable, |
| }; |