| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <fsp/api.h> |
| #include <fsp/util.h> |
| #include <gpio.h> |
| #include <intelblocks/acpi.h> |
| #include <intelblocks/cfg.h> |
| #include <intelblocks/cse.h> |
| #include <intelblocks/irq.h> |
| #include <intelblocks/itss.h> |
| #include <intelblocks/p2sb.h> |
| #include <intelblocks/pcie_rp.h> |
| #include <intelblocks/systemagent.h> |
| #include <intelblocks/tcss.h> |
| #include <intelblocks/xdci.h> |
| #include <soc/intel/common/reset.h> |
| #include <soc/intel/common/vbt.h> |
| #include <soc/iomap.h> |
| #include <soc/itss.h> |
| #include <soc/p2sb.h> |
| #include <soc/pci_devs.h> |
| #include <soc/pcie.h> |
| #include <soc/ramstage.h> |
| #include <soc/soc_chip.h> |
| #include <soc/tcss.h> |
| |
| #if CONFIG(HAVE_ACPI_TABLES) |
| 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 2: |
| /* USB2 ports */ |
| switch (dev->path.usb.port_id) { |
| case 0: return "HS01"; |
| case 1: return "HS02"; |
| case 2: return "HS03"; |
| case 3: return "HS04"; |
| case 4: return "HS05"; |
| case 5: return "HS06"; |
| case 6: return "HS07"; |
| case 7: return "HS08"; |
| case 8: return "HS09"; |
| case 9: return "HS10"; |
| } |
| break; |
| case 3: |
| /* USB3 ports */ |
| switch (dev->path.usb.port_id) { |
| case 0: return "SS01"; |
| case 1: return "SS02"; |
| case 2: return "SS03"; |
| case 3: return "SS04"; |
| } |
| break; |
| } |
| printk(BIOS_DEBUG, "dev->path.type=%x\n", dev->path.usb.port_type); |
| return NULL; |
| } |
| if (dev->path.type != DEVICE_PATH_PCI) { |
| printk(BIOS_DEBUG, "dev->path.type=%x\n", dev->path.type); |
| return NULL; |
| } |
| |
| switch (dev->path.pci.devfn) { |
| case PCI_DEVFN_ROOT: return "MCHC"; |
| case PCI_DEVFN_IGD: return "GFX0"; |
| case PCI_DEVFN_TCSS_XHCI: return "TXHC"; |
| case PCI_DEVFN_TCSS_XDCI: return "TXDC"; |
| case PCI_DEVFN_TCSS_DMA0: return "TDM0"; |
| case PCI_DEVFN_TCSS_DMA1: return "TDM1"; |
| case PCI_DEVFN_TBT0: return "TRP0"; |
| case PCI_DEVFN_TBT1: return "TRP1"; |
| case PCI_DEVFN_TBT2: return "TRP2"; |
| case PCI_DEVFN_TBT3: return "TRP3"; |
| case PCI_DEVFN_IPU: return "IPU0"; |
| case PCI_DEVFN_ISH: return "ISHB"; |
| case PCI_DEVFN_GNA: return "GNA"; |
| case PCI_DEVFN_XHCI: return "XHCI"; |
| case PCI_DEVFN_I2C0: return "I2C0"; |
| case PCI_DEVFN_I2C1: return "I2C1"; |
| case PCI_DEVFN_I2C2: return "I2C2"; |
| case PCI_DEVFN_I2C3: return "I2C3"; |
| case PCI_DEVFN_I2C4: return "I2C4"; |
| case PCI_DEVFN_I2C5: return "I2C5"; |
| case PCI_DEVFN_SATA: return "SATA"; |
| case PCI_DEVFN_PCIE1: return "RP01"; |
| case PCI_DEVFN_PCIE2: return "RP02"; |
| case PCI_DEVFN_PCIE3: return "RP03"; |
| case PCI_DEVFN_PCIE4: return "RP04"; |
| case PCI_DEVFN_PCIE5: return "RP05"; |
| case PCI_DEVFN_PCIE6: return "RP06"; |
| case PCI_DEVFN_PCIE7: return "RP07"; |
| case PCI_DEVFN_PCIE8: return "RP08"; |
| case PCI_DEVFN_PCIE9: return "RP09"; |
| case PCI_DEVFN_PCIE10: return "RP10"; |
| case PCI_DEVFN_PCIE11: return "RP11"; |
| case PCI_DEVFN_PCIE12: return "RP12"; |
| case PCI_DEVFN_PMC: return "PMC"; |
| case PCI_DEVFN_UART0: return "UAR0"; |
| case PCI_DEVFN_UART1: return "UAR1"; |
| case PCI_DEVFN_UART2: return "UAR2"; |
| case PCI_DEVFN_GSPI0: return "SPI0"; |
| case PCI_DEVFN_GSPI1: return "SPI1"; |
| case PCI_DEVFN_GSPI2: return "SPI2"; |
| /* Keeping ACPI device name coherent with ec.asl */ |
| case PCI_DEVFN_ESPI: return "LPCB"; |
| case PCI_DEVFN_HDA: return "HDAS"; |
| case PCI_DEVFN_SMBUS: return "SBUS"; |
| case PCI_DEVFN_GBE: return "GLAN"; |
| } |
| printk(BIOS_DEBUG, "Missing ACPI Name for PCI: 00:%02x.%01x\n", |
| PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn)); |
| return NULL; |
| } |
| #endif |
| |
| #if CONFIG(SOC_INTEL_STORE_ISH_FW_VERSION) |
| /* SoC override API to identify if ISH Firmware existed inside CSE FPT */ |
| bool soc_is_ish_partition_enabled(void) |
| { |
| struct device *ish = pcidev_path_on_root(PCI_DEVFN_ISH); |
| uint16_t ish_pci_id = ish ? pci_read_config16(ish, PCI_DEVICE_ID) : 0xFFFF; |
| |
| if (ish_pci_id == 0xFFFF) |
| return false; |
| |
| return true; |
| } |
| #endif |
| |
| /* SoC routine to fill GPIO PM mask and value for GPIO_MISCCFG register */ |
| static void soc_fill_gpio_pm_configuration(void) |
| { |
| uint8_t value[TOTAL_GPIO_COMM]; |
| const config_t *config = config_of_soc(); |
| |
| if (config->gpio_override_pm) |
| memcpy(value, config->gpio_pm, sizeof(value)); |
| else |
| memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(value)); |
| |
| gpio_pm_configure(value, TOTAL_GPIO_COMM); |
| } |
| |
| void soc_init_pre_device(void *chip_info) |
| { |
| config_t *config = config_of_soc(); |
| |
| /* Validate TBT image authentication */ |
| config->tbt_authentication = ioe_p2sb_sbi_read(PID_IOM, |
| IOM_CSME_IMR_TBT_STATUS) & TBT_VALID_AUTHENTICATION; |
| |
| /* Perform silicon specific init. */ |
| fsp_silicon_init(); |
| |
| /* Display FIRMWARE_VERSION_INFO_HOB */ |
| fsp_display_fvi_version_hob(); |
| |
| soc_fill_gpio_pm_configuration(); |
| |
| /* Swap enabled PCI ports in device tree if needed. */ |
| pcie_rp_update_devicetree(get_pcie_rp_table()); |
| |
| /* |
| * Earlier when coreboot used to send EOP at late as possible caused |
| * issue of delayed response from CSE since CSE was busy loading payload. |
| * To resolve the issue, EOP should be sent earlier than current sequence |
| * in the boot sequence at BS_DEV_INIT. |
| * |
| * Intel CSE team recommends to send EOP close to FW init (between FSP-S |
| * exit and current boot sequence) to reduce message response time from |
| * CSE hence moving sending EOP to earlier stage. |
| */ |
| if (CONFIG(SOC_INTEL_CSE_SEND_EOP_EARLY) || |
| CONFIG(SOC_INTEL_CSE_SEND_EOP_ASYNC)) { |
| printk(BIOS_INFO, "Sending EOP early from SoC\n"); |
| cse_send_end_of_post(); |
| } |
| } |
| |
| static void cpu_fill_ssdt(const struct device *dev) |
| { |
| if (!generate_pin_irq_map()) |
| printk(BIOS_ERR, "Failed to generate ACPI _PRT table!\n"); |
| |
| generate_cpu_entries(dev); |
| } |
| |
| static void cpu_set_north_irqs(struct device *dev) |
| { |
| irq_program_non_pch(); |
| } |
| |
| 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, |
| #if CONFIG(HAVE_ACPI_TABLES) |
| .acpi_name = &soc_acpi_name, |
| .acpi_fill_ssdt = ssdt_set_above_4g_pci, |
| #endif |
| }; |
| |
| static struct device_operations cpu_bus_ops = { |
| .read_resources = noop_read_resources, |
| .set_resources = noop_set_resources, |
| .enable_resources = cpu_set_north_irqs, |
| #if CONFIG(HAVE_ACPI_TABLES) |
| .acpi_fill_ssdt = cpu_fill_ssdt, |
| #endif |
| }; |
| |
| static void soc_enable(struct device *dev) |
| { |
| /* |
| * Set the operations if it is a special bus type or a hidden PCI |
| * device. |
| */ |
| 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 && |
| dev->path.pci.devfn == PCI_DEVFN_PMC) |
| dev->ops = &pmc_ops; |
| else if (dev->path.type == DEVICE_PATH_PCI && |
| dev->path.pci.devfn == PCI_DEVFN_IOE_PMC) |
| dev->ops = &ioe_pmc_ops; |
| else if (dev->path.type == DEVICE_PATH_PCI && |
| dev->path.pci.devfn == PCI_DEVFN_P2SB) |
| dev->ops = &soc_p2sb_ops; |
| else if (dev->path.type == DEVICE_PATH_PCI && |
| dev->path.pci.devfn == PCI_DEVFN_IOE_P2SB) |
| dev->ops = &ioe_p2sb_ops; |
| else if (dev->path.type == DEVICE_PATH_GPIO) |
| block_gpio_enable(dev); |
| } |
| |
| static void soc_init_final_device(void *chip_info) |
| { |
| uint32_t reset_status = fsp_get_pch_reset_status(); |
| |
| if (reset_status == FSP_SUCCESS) |
| return; |
| |
| /* Handle any pending reset request from previously executed FSP APIs */ |
| fsp_handle_reset(reset_status); |
| |
| /* Control shouldn't return here */ |
| die_with_post_code(POSTCODE_HW_INIT_FAILURE, |
| "Failed to handle the FSP reset request with error 0x%08x\n", reset_status); |
| } |
| |
| struct chip_operations soc_intel_meteorlake_ops = { |
| CHIP_NAME("Intel Meteorlake") |
| .enable_dev = &soc_enable, |
| .init = &soc_init_pre_device, |
| .final = &soc_init_final_device, |
| }; |