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Diffstat (limited to 'src/soc/intel/icelake/chip.c')
| -rw-r--r-- | src/soc/intel/icelake/chip.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/soc/intel/icelake/chip.c b/src/soc/intel/icelake/chip.c new file mode 100644 index 0000000000..0fb0b0ecec --- /dev/null +++ b/src/soc/intel/icelake/chip.c @@ -0,0 +1,158 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <chip.h> +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <fsp/api.h> +#include <fsp/util.h> +#include <intelblocks/acpi.h> +#include <intelblocks/chip.h> +#include <intelblocks/itss.h> +#include <intelblocks/xdci.h> +#include <romstage_handoff.h> +#include <soc/intel/common/vbt.h> +#include <soc/itss.h> +#include <soc/pci_devs.h> +#include <soc/ramstage.h> +#include <string.h> + +#if IS_ENABLED(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_PCI) + return NULL; + + switch (dev->path.pci.devfn) { + case SA_DEVFN_ROOT: return "MCHC"; + case SA_DEVFN_IGD: return "GFX0"; + case PCH_DEVFN_ISH: return "ISHB"; + case PCH_DEVFN_XHCI: return "XHCI"; + case PCH_DEVFN_USBOTG: return "XDCI"; + case PCH_DEVFN_THERMAL: return "THRM"; + case PCH_DEVFN_I2C0: return "I2C0"; + case PCH_DEVFN_I2C1: return "I2C1"; + case PCH_DEVFN_I2C2: return "I2C2"; + case PCH_DEVFN_I2C3: return "I2C3"; + case PCH_DEVFN_CSE: return "CSE1"; + case PCH_DEVFN_CSE_2: return "CSE2"; + case PCH_DEVFN_CSE_IDER: return "CSED"; + case PCH_DEVFN_CSE_KT: return "CSKT"; + case PCH_DEVFN_CSE_3: return "CSE3"; + case PCH_DEVFN_SATA: return "SATA"; + case PCH_DEVFN_UART2: return "UAR2"; + case PCH_DEVFN_I2C4: return "I2C4"; + case PCH_DEVFN_I2C5: return "I2C5"; + case PCH_DEVFN_PCIE1: return "RP01"; + case PCH_DEVFN_PCIE2: return "RP02"; + case PCH_DEVFN_PCIE3: return "RP03"; + case PCH_DEVFN_PCIE4: return "RP04"; + case PCH_DEVFN_PCIE5: return "RP05"; + case PCH_DEVFN_PCIE6: return "RP06"; + case PCH_DEVFN_PCIE7: return "RP07"; + case PCH_DEVFN_PCIE8: return "RP08"; + case PCH_DEVFN_PCIE9: return "RP09"; + case PCH_DEVFN_PCIE10: return "RP10"; + case PCH_DEVFN_PCIE11: return "RP11"; + case PCH_DEVFN_PCIE12: return "RP12"; + case PCH_DEVFN_PCIE13: return "RP13"; + case PCH_DEVFN_PCIE14: return "RP14"; + case PCH_DEVFN_PCIE15: return "RP15"; + case PCH_DEVFN_PCIE16: return "RP16"; + case PCH_DEVFN_PCIE17: return "RP17"; + case PCH_DEVFN_PCIE18: return "RP18"; + case PCH_DEVFN_PCIE19: return "RP19"; + case PCH_DEVFN_PCIE20: return "RP20"; + case PCH_DEVFN_PCIE21: return "RP21"; + case PCH_DEVFN_PCIE22: return "RP22"; + case PCH_DEVFN_PCIE23: return "RP23"; + case PCH_DEVFN_PCIE24: return "RP24"; + case PCH_DEVFN_UART0: return "UAR0"; + case PCH_DEVFN_UART1: return "UAR1"; + case PCH_DEVFN_GSPI0: return "SPI0"; + case PCH_DEVFN_GSPI1: return "SPI1"; + case PCH_DEVFN_GSPI2: return "SPI2"; + case PCH_DEVFN_EMMC: return "EMMC"; + case PCH_DEVFN_SDCARD: return "SDXC"; + case PCH_DEVFN_LPC: return "LPCB"; + case PCH_DEVFN_P2SB: return "P2SB"; + case PCH_DEVFN_PMC: return "PMC_"; + case PCH_DEVFN_HDA: return "HDAS"; + case PCH_DEVFN_SMBUS: return "SBUS"; + case PCH_DEVFN_SPI: return "FSPI"; + case PCH_DEVFN_GBE: return "IGBE"; + case PCH_DEVFN_TRACEHUB:return "THUB"; + } + + return NULL; +} +#endif + +void soc_init_pre_device(void *chip_info) +{ + /* Snapshot the current GPIO IRQ polarities. FSP is setting a + * default policy that doesn't honor boards' requirements. */ + itss_snapshot_irq_polarities(GPIO_IRQ_START, GPIO_IRQ_END); + + /* Perform silicon specific init. */ + fsp_silicon_init(romstage_handoff_is_resume()); + + /* Display FIRMWARE_VERSION_INFO_HOB */ + fsp_display_fvi_version_hob(); + + /* Restore GPIO IRQ polarities back to previous settings. */ + itss_restore_irq_polarities(GPIO_IRQ_START, GPIO_IRQ_END); +} + +static void pci_domain_set_resources(struct device *dev) +{ + assign_resources(dev->link_list); +} + +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 IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) + .acpi_name = &soc_acpi_name, + #endif +}; + +static struct device_operations cpu_bus_ops = { + .read_resources = DEVICE_NOOP, + .set_resources = DEVICE_NOOP, + .enable_resources = DEVICE_NOOP, + .init = DEVICE_NOOP, + .acpi_fill_ssdt_generator = generate_cpu_entries, +}; + +static void soc_enable(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; +} + +struct chip_operations soc_intel_icelake_ops = { + CHIP_NAME("Intel Icelake") + .enable_dev = &soc_enable, + .init = &soc_init_pre_device, +}; |