diff options
Diffstat (limited to 'src')
39 files changed, 4761 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig new file mode 100644 index 0000000000..014606b882 --- /dev/null +++ b/src/soc/intel/tigerlake/Kconfig @@ -0,0 +1,213 @@ +config SOC_INTEL_TIGERLAKE + bool + help + Intel Tigerlake support + +if SOC_INTEL_TIGERLAKE + +config CPU_SPECIFIC_OPTIONS + def_bool y + select ACPI_INTEL_HARDWARE_SLEEP_VALUES + select ARCH_BOOTBLOCK_X86_32 + select ARCH_RAMSTAGE_X86_32 + select ARCH_ROMSTAGE_X86_32 + select ARCH_VERSTAGE_X86_32 + select BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY if BOOT_DEVICE_SPI_FLASH + select BOOT_DEVICE_SUPPORTS_WRITES + select C_ENVIRONMENT_BOOTBLOCK + select CACHE_MRC_SETTINGS + select COMMON_FADT + select CPU_INTEL_FIRMWARE_INTERFACE_TABLE + select FSP_M_XIP + select GENERIC_GPIO_LIB + select HAVE_FSP_GOP + select INTEL_DESCRIPTOR_MODE_CAPABLE + select HAVE_SMI_HANDLER + select IDT_IN_EVERY_STAGE + select INTEL_GMA_ACPI + select INTEL_GMA_ADD_VBT if RUN_FSP_GOP + select IOAPIC + select MRC_SETTINGS_PROTECT + select PARALLEL_MP + select PARALLEL_MP_AP_WORK + select MICROCODE_BLOB_UNDISCLOSED + select PLATFORM_USES_FSP2_1 + select REG_SCRIPT + select SMP + select SOC_AHCI_PORT_IMPLEMENTED_INVERT + select PMC_GLOBAL_RESET_ENABLE_LOCK + select SOC_INTEL_COMMON + select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE + select SOC_INTEL_COMMON_BLOCK + select SOC_INTEL_COMMON_BLOCK_ACPI + select SOC_INTEL_COMMON_BLOCK_CHIP_CONFIG + select SOC_INTEL_COMMON_BLOCK_CPU + select SOC_INTEL_COMMON_BLOCK_CPU_MPINIT + select SOC_INTEL_COMMON_BLOCK_EBDA + select SOC_INTEL_COMMON_BLOCK_GSPI_VERSION_2 + select SOC_INTEL_COMMON_BLOCK_HDA + select SOC_INTEL_COMMON_BLOCK_SA + select SOC_INTEL_COMMON_BLOCK_SMM + select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP + select SOC_INTEL_COMMON_PCH_BASE + select SOC_INTEL_COMMON_RESET + select SSE2 + select SUPPORT_CPU_UCODE_IN_CBFS + select TSC_MONOTONIC_TIMER + select UDELAY_TSC + select UDK_2017_BINDING + select DISPLAY_FSP_VERSION_INFO + select HECI_DISABLE_USING_SMM + +config DCACHE_RAM_BASE + default 0xfef00000 + +config DCACHE_RAM_SIZE + default 0x40000 + help + The size of the cache-as-ram region required during bootblock + and/or romstage. + +config DCACHE_BSP_STACK_SIZE + hex + default 0x20400 + help + The amount of anticipated stack usage in CAR by bootblock and + other stages. In the case of FSP_USES_CB_STACK default value will be + sum of FSP-M stack requirement (128KiB) and CB romstage stack requirement (~1KiB). + +config FSP_TEMP_RAM_SIZE + hex + default 0x10000 + help + The amount of anticipated heap usage in CAR by FSP. + Refer to Platform FSP integration guide document to know + the exact FSP requirement for Heap setup. + +config IFD_CHIPSET + string + default "tgl" + +config IED_REGION_SIZE + hex + default 0x400000 + +config HEAP_SIZE + hex + default 0x8000 + +config MAX_ROOT_PORTS + int + default 16 + +config SMM_TSEG_SIZE + hex + default 0x800000 + +config SMM_RESERVED_SIZE + hex + default 0x200000 + +config PCR_BASE_ADDRESS + hex + default 0xfd000000 + help + This option allows you to select MMIO Base Address of sideband bus. + +config MMCONF_BASE_ADDRESS + hex + default 0xc0000000 + +config CPU_BCLK_MHZ + int + default 100 + +config SOC_INTEL_COMMON_BLOCK_GSPI_CLOCK_MHZ + int + default 120 + +config DRIVERS_I2C_DESIGNWARE_CLOCK_MHZ + int + default 133 + +config SOC_INTEL_COMMON_BLOCK_GSPI_MAX + int + default 3 + +config SOC_INTEL_I2C_DEV_MAX + int + default 6 + +config SOC_INTEL_UART_DEV_MAX + int + default 3 + +config CONSOLE_UART_BASE_ADDRESS + hex + default 0xfe032000 + depends on INTEL_LPSS_UART_FOR_CONSOLE + +# Clock divider parameters for 115200 baud rate +config SOC_INTEL_COMMON_LPSS_UART_CLK_M_VAL + hex + default 0x30 + +config SOC_INTEL_COMMON_LPSS_UART_CLK_N_VAL + hex + default 0xc35 + +config CHROMEOS + select CHROMEOS_RAMOOPS_DYNAMIC + +config VBOOT + select VBOOT_SEPARATE_VERSTAGE + select VBOOT_MUST_REQUEST_DISPLAY + select VBOOT_SAVE_RECOVERY_REASON_ON_REBOOT + select VBOOT_STARTS_IN_BOOTBLOCK + select VBOOT_VBNV_CMOS + select VBOOT_VBNV_CMOS_BACKUP_TO_FLASH + +config C_ENV_BOOTBLOCK_SIZE + hex + default 0xC000 + +config CBFS_SIZE + hex + default 0x200000 + +choice + prompt "Cache-as-ram implementation" + default USE_TIGERLAKE_CAR_NEM_ENHANCED + help + This option allows you to select how cache-as-ram (CAR) is set up. + +config USE_TIGERLAKE_CAR_NEM_ENHANCED + bool "Enhanced Non-evict mode" + select SOC_INTEL_COMMON_BLOCK_CAR + select INTEL_CAR_NEM_ENHANCED + help + A current limitation of NEM (Non-Evict mode) is that code and data + sizes are derived from the requirement to not write out any modified + cache line. With NEM, if there is no physical memory behind the + cached area, the modified data will be lost and NEM results will be + inconsistent. ENHANCED NEM guarantees that modified data is always + kept in cache while clean data is replaced. + +config USE_TIGERLAKE_FSP_CAR + bool "Use FSP CAR" + select FSP_CAR + help + Use FSP APIs to initialize and tear down the Cache-As-Ram. + +endchoice + +config FSP_HEADER_PATH + string "Location of FSP headers" + default "src/vendorcode/intel/fsp/fsp2_0/tigerlake/" + +config FSP_FD_PATH + string + depends on FSP_USE_REPO + default "3rdparty/fsp/TigerLakeFspBinPkg/Fsp.fd" + +endif diff --git a/src/soc/intel/tigerlake/Makefile.inc b/src/soc/intel/tigerlake/Makefile.inc new file mode 100644 index 0000000000..b402fa0d63 --- /dev/null +++ b/src/soc/intel/tigerlake/Makefile.inc @@ -0,0 +1,58 @@ +ifeq ($(CONFIG_SOC_INTEL_TIGERLAKE),y) + +subdirs-y += romstage +subdirs-y += ../../../cpu/intel/microcode +subdirs-y += ../../../cpu/intel/turbo +subdirs-y += ../../../cpu/x86/lapic +subdirs-y += ../../../cpu/x86/mtrr +subdirs-y += ../../../cpu/x86/smm +subdirs-y += ../../../cpu/x86/tsc + +# all (bootblock, verstage, romstage, postcar, ramstage) +all-y += gspi.c +all-y += i2c.c +all-y += pmutil.c +all-y += spi.c +all-y += uart.c + +bootblock-y += bootblock/bootblock.c +bootblock-y += bootblock/cpu.c +bootblock-y += bootblock/pch.c +bootblock-y += bootblock/report_platform.c +bootblock-y += espi.c +bootblock-y += gpio.c +bootblock-y += p2sb.c + +romstage-y += espi.c +romstage-y += gpio.c +romstage-y += reset.c + +ramstage-y += acpi.c +ramstage-y += chip.c +ramstage-y += cpu.c +ramstage-y += elog.c +ramstage-y += espi.c +ramstage-y += finalize.c +ramstage-y += fsp_params.c +ramstage-y += gpio.c +ramstage-y += graphics.c +ramstage-y += lockdown.c +ramstage-y += p2sb.c +ramstage-y += pmc.c +ramstage-y += reset.c +ramstage-y += smmrelocate.c +ramstage-y += systemagent.c +ramstage-y += sd.c + +smm-y += gpio.c +smm-y += p2sb.c +smm-y += pmc.c +smm-y += pmutil.c +smm-y += smihandler.c +smm-y += uart.c + + +CPPFLAGS_common += -I$(src)/soc/intel/tigerlake +CPPFLAGS_common += -I$(src)/soc/intel/tigerlake/include + +endif diff --git a/src/soc/intel/tigerlake/acpi.c b/src/soc/intel/tigerlake/acpi.c new file mode 100644 index 0000000000..225f4e8211 --- /dev/null +++ b/src/soc/intel/tigerlake/acpi.c @@ -0,0 +1,248 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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 <arch/acpi.h> +#include <arch/acpigen.h> +#include <device/mmio.h> +#include <arch/smp/mpspec.h> +#include <cbmem.h> +#include <ec/google/chromeec/ec.h> +#include <intelblocks/cpulib.h> +#include <intelblocks/pmclib.h> +#include <intelblocks/acpi.h> +#include <soc/cpu.h> +#include <soc/iomap.h> +#include <soc/nvs.h> +#include <soc/pci_devs.h> +#include <soc/pm.h> +#include <soc/soc_chip.h> +#include <string.h> +#include <wrdd.h> + +/* + * List of supported C-states in this processor. + */ +enum { + C_STATE_C0, /* 0 */ + C_STATE_C1, /* 1 */ + C_STATE_C1E, /* 2 */ + C_STATE_C6_SHORT_LAT, /* 3 */ + C_STATE_C6_LONG_LAT, /* 4 */ + C_STATE_C7_SHORT_LAT, /* 5 */ + C_STATE_C7_LONG_LAT, /* 6 */ + C_STATE_C7S_SHORT_LAT, /* 7 */ + C_STATE_C7S_LONG_LAT, /* 8 */ + C_STATE_C8, /* 9 */ + C_STATE_C9, /* 10 */ + C_STATE_C10, /* 11 */ + NUM_C_STATES +}; + +#define MWAIT_RES(state, sub_state) \ + { \ + .addrl = (((state) << 4) | (sub_state)), \ + .space_id = ACPI_ADDRESS_SPACE_FIXED, \ + .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL, \ + .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT, \ + .access_size = ACPI_FFIXEDHW_FLAG_HW_COORD, \ + } + +static const acpi_cstate_t cstate_map[NUM_C_STATES] = { + [C_STATE_C0] = {}, + [C_STATE_C1] = { + .latency = 0, + .power = C1_POWER, + .resource = MWAIT_RES(0, 0), + }, + [C_STATE_C1E] = { + .latency = 0, + .power = C1_POWER, + .resource = MWAIT_RES(0, 1), + }, + [C_STATE_C6_SHORT_LAT] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C6_POWER, + .resource = MWAIT_RES(2, 0), + }, + [C_STATE_C6_LONG_LAT] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C6_POWER, + .resource = MWAIT_RES(2, 1), + }, + [C_STATE_C7_SHORT_LAT] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C7_POWER, + .resource = MWAIT_RES(3, 0), + }, + [C_STATE_C7_LONG_LAT] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C7_POWER, + .resource = MWAIT_RES(3, 1), + }, + [C_STATE_C7S_SHORT_LAT] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C7_POWER, + .resource = MWAIT_RES(3, 2), + }, + [C_STATE_C7S_LONG_LAT] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C7_POWER, + .resource = MWAIT_RES(3, 3), + }, + [C_STATE_C8] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C8_POWER, + .resource = MWAIT_RES(4, 0), + }, + [C_STATE_C9] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C9_POWER, + .resource = MWAIT_RES(5, 0), + }, + [C_STATE_C10] = { + .latency = C_STATE_LATENCY_FROM_LAT_REG(0), + .power = C10_POWER, + .resource = MWAIT_RES(6, 0), + }, +}; + +static int cstate_set_non_s0ix[] = { + C_STATE_C1E, + C_STATE_C6_LONG_LAT, + C_STATE_C7S_LONG_LAT +}; + +static int cstate_set_s0ix[] = { + C_STATE_C1E, + C_STATE_C7S_LONG_LAT, + C_STATE_C10 +}; + +acpi_cstate_t *soc_get_cstate_map(size_t *entries) +{ + static acpi_cstate_t map[MAX(ARRAY_SIZE(cstate_set_s0ix), + ARRAY_SIZE(cstate_set_non_s0ix))]; + int *set; + int i; + + config_t *config = config_of_soc(); + + int is_s0ix_enable = config->s0ix_enable; + + if (is_s0ix_enable) { + *entries = ARRAY_SIZE(cstate_set_s0ix); + set = cstate_set_s0ix; + } else { + *entries = ARRAY_SIZE(cstate_set_non_s0ix); + set = cstate_set_non_s0ix; + } + + for (i = 0; i < *entries; i++) { + memcpy(&map[i], &cstate_map[set[i]], sizeof(acpi_cstate_t)); + map[i].ctype = i + 1; + } + return map; +} + +void soc_power_states_generation(int core_id, int cores_per_package) +{ + config_t *config = config_of_soc(); + + if (config->eist_enable) + /* Generate P-state tables */ + generate_p_state_entries(core_id, cores_per_package); +} + +void soc_fill_fadt(acpi_fadt_t *fadt) +{ + const uint16_t pmbase = ACPI_BASE_ADDRESS; + + config_t *config = config_of_soc(); + + if (!config->PmTimerDisabled) { + fadt->pm_tmr_blk = pmbase + PM1_TMR; + fadt->pm_tmr_len = 4; + fadt->x_pm_tmr_blk.space_id = 1; + fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8; + fadt->x_pm_tmr_blk.bit_offset = 0; + fadt->x_pm_tmr_blk.access_size = 0; + fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR; + fadt->x_pm_tmr_blk.addrh = 0x0; + } + + if (config->s0ix_enable) + fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0; +} + +uint32_t soc_read_sci_irq_select(void) +{ + uintptr_t pmc_bar = soc_read_pmc_base(); + return read32((void *)pmc_bar + IRQ_REG); +} + +void acpi_create_gnvs(struct global_nvs_t *gnvs) +{ + config_t *config = config_of_soc(); + + /* Set unknown wake source */ + gnvs->pm1i = -1; + + /* CPU core count */ + gnvs->pcnt = dev_count_cpu(); + + if (CONFIG(CONSOLE_CBMEM)) + /* Update the mem console pointer. */ + gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE); + + if (CONFIG(CHROMEOS)) { + /* Initialize Verified Boot data */ + chromeos_init_chromeos_acpi(&(gnvs->chromeos)); + if (CONFIG(EC_GOOGLE_CHROMEEC)) { + gnvs->chromeos.vbt2 = google_ec_running_ro() ? + ACTIVE_ECFW_RO : ACTIVE_ECFW_RW; + } else + gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO; + } + + /* Enable DPTF based on mainboard configuration */ + gnvs->dpte = config->dptf_enable; + + /* Fill in the Wifi Region id */ + gnvs->cid1 = wifi_regulatory_domain(); + + /* Set USB2/USB3 wake enable bitmaps. */ + gnvs->u2we = config->usb2_wake_enable_bitmap; + gnvs->u3we = config->usb3_wake_enable_bitmap; +} + +uint32_t acpi_fill_soc_wake(uint32_t generic_pm1_en, + const struct chipset_power_state *ps) +{ + /* + * WAK_STS bit is set when the system is in one of the sleep states + * (via the SLP_EN bit) and an enabled wake event occurs. Upon setting + * this bit, the PMC will transition the system to the ON state and + * can only be set by hardware and can only be cleared by writing a one + * to this bit position. + */ + + generic_pm1_en |= WAK_STS | RTC_EN | PWRBTN_EN; + return generic_pm1_en; +} + +int soc_madt_sci_irq_polarity(int sci) +{ + return MP_IRQ_POLARITY_HIGH; +} diff --git a/src/soc/intel/tigerlake/chip.c b/src/soc/intel/tigerlake/chip.c new file mode 100644 index 0000000000..530893ceca --- /dev/null +++ b/src/soc/intel/tigerlake/chip.c @@ -0,0 +1,175 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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 <device/device.h> +#include <device/pci.h> +#include <fsp/api.h> +#include <fsp/util.h> +#include <intelblocks/acpi.h> +#include <intelblocks/cfg.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 <soc/soc_chip.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_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"; + /* Keeping ACPI device name coherent with ec.asl */ + case PCH_DEVFN_ESPI: 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 + +/* SoC rotine 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(uint8_t) * + TOTAL_GPIO_COMM); + else + memset(value, MISCCFG_ENABLE_GPIO_PM_CONFIG, sizeof(uint8_t) * + TOTAL_GPIO_COMM); + + gpio_pm_configure(value, TOTAL_GPIO_COMM); +} + +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); + + soc_fill_gpio_pm_configuration(); +} + +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 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_tigerlake_ops = { + CHIP_NAME("Intel Tigerlake") + .enable_dev = &soc_enable, + .init = &soc_init_pre_device, +}; diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h new file mode 100644 index 0000000000..32dc02c666 --- /dev/null +++ b/src/soc/intel/tigerlake/chip.h @@ -0,0 +1,280 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_CHIP_H_ +#define _SOC_CHIP_H_ + +#include <intelblocks/cfg.h> +#include <drivers/i2c/designware/dw_i2c.h> +#include <intelblocks/gpio.h> +#include <intelblocks/gspi.h> +#include <stdint.h> +#include <soc/gpe.h> +#include <soc/gpio.h> +#include <soc/pch.h> +#include <soc/gpio_defs.h> +#include <soc/pci_devs.h> +#include <soc/pmc.h> +#include <soc/serialio.h> +#include <soc/usb.h> + +struct soc_intel_tigerlake_config { + + /* Common struct containing soc config data required by common code */ + struct soc_intel_common_config common_soc_config; + + /* GPE configuration */ + uint32_t gpe0_en_1; /* GPE0_EN_31_0 */ + uint32_t gpe0_en_2; /* GPE0_EN_63_32 */ + uint32_t gpe0_en_3; /* GPE0_EN_95_64 */ + uint32_t gpe0_en_4; /* GPE0_EN_127_96 / GPE_STD */ + + /* Gpio group routed to each dword of the GPE0 block. Values are + * of the form GPP_[A:G] or GPD. */ + uint8_t gpe0_dw0; /* GPE0_31_0 STS/EN */ + uint8_t gpe0_dw1; /* GPE0_63_32 STS/EN */ + uint8_t gpe0_dw2; /* GPE0_95_64 STS/EN */ + + /* Generic IO decode ranges */ + uint32_t gen1_dec; + uint32_t gen2_dec; + uint32_t gen3_dec; + uint32_t gen4_dec; + + /* Enable S0iX support */ + int s0ix_enable; + /* Enable DPTF support */ + int dptf_enable; + + /* Deep SX enable for both AC and DC */ + int deep_s3_enable_ac; + int deep_s3_enable_dc; + int deep_s5_enable_ac; + int deep_s5_enable_dc; + + /* Deep Sx Configuration + * DSX_EN_WAKE_PIN - Enable WAKE# pin + * DSX_EN_LAN_WAKE_PIN - Enable LAN_WAKE# pin + * DSX_DIS_AC_PRESENT_PD - Disable pull-down on AC_PRESENT pin */ + uint32_t deep_sx_config; + + /* TCC activation offset */ + uint32_t tcc_offset; + + uint64_t PlatformMemorySize; + uint8_t SmramMask; + uint8_t MrcFastBoot; + uint32_t TsegSize; + uint16_t MmioSize; + + /* DDR Frequency Limit. Maximum Memory Frequency Selections in Mhz. + * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */ + uint16_t DdrFreqLimit; + + /* SAGV Low Frequency Selections in Mhz. + * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */ + uint16_t FreqSaGvLow; + + /* SAGV Mid Frequency Selections in Mhz. + * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */ + uint16_t FreqSaGvMid; + + /* System Agent dynamic frequency support. Only effects ULX/ULT CPUs. + * When enabled memory will be training at two different frequencies. + * 0:Disabled, 1:FixedLow, 2:FixedMid, 3:FixedHigh, 4:Enabled */ + enum { + SaGv_Disabled, + SaGv_FixedLow, + SaGv_FixedMid, + SaGv_FixedHigh, + SaGv_Enabled, + } SaGv; + + + /* Rank Margin Tool. 1:Enable, 0:Disable */ + uint8_t RMT; + + /* USB related */ + struct usb2_port_config usb2_ports[16]; + struct usb3_port_config usb3_ports[10]; + uint8_t SsicPortEnable; + /* Wake Enable Bitmap for USB2 ports */ + uint16_t usb2_wake_enable_bitmap; + /* Wake Enable Bitmap for USB3 ports */ + uint16_t usb3_wake_enable_bitmap; + + /* SATA related */ + uint8_t SataEnable; + uint8_t SataMode; + uint8_t SataSalpSupport; + uint8_t SataPortsEnable[8]; + uint8_t SataPortsDevSlp[8]; + + /* Audio related */ + uint8_t PchHdaEnable; + uint8_t PchHdaDspEnable; + + /* Enable/Disable HD Audio Link. Muxed with SSP0/SSP1/SNDW1 */ + uint8_t PchHdaAudioLinkHda; + uint8_t PchHdaAudioLinkDmic0; + uint8_t PchHdaAudioLinkDmic1; + uint8_t PchHdaAudioLinkSsp0; + uint8_t PchHdaAudioLinkSsp1; + uint8_t PchHdaAudioLinkSsp2; + uint8_t PchHdaAudioLinkSndw1; + uint8_t PchHdaAudioLinkSndw2; + uint8_t PchHdaAudioLinkSndw3; + uint8_t PchHdaAudioLinkSndw4; + + /* PCIe Root Ports */ + uint8_t PcieRpEnable[CONFIG_MAX_ROOT_PORTS]; + /* PCIe output clocks type to Pcie devices. + * 0-23: PCH rootport, 0x70: LAN, 0x80: unspecified but in use, + * 0xFF: not used */ + uint8_t PcieClkSrcUsage[CONFIG_MAX_ROOT_PORTS]; + /* PCIe ClkReq-to-ClkSrc mapping, number of clkreq signal assigned to + * clksrc. */ + uint8_t PcieClkSrcClkReq[CONFIG_MAX_ROOT_PORTS]; + + /* SMBus */ + uint8_t SmbusEnable; + + /* eMMC and SD */ + uint8_t ScsEmmcHs400Enabled; + /* Need to update DLL setting to get Emmc running at HS400 speed */ + uint8_t EmmcUseCustomDlls; + uint32_t EmmcTxCmdDelayRegValue; + uint32_t EmmcTxDataDelay1RegValue; + uint32_t EmmcTxDataDelay2RegValue; + uint32_t EmmcRxCmdDataDelay1RegValue; + uint32_t EmmcRxCmdDataDelay2RegValue; + uint32_t EmmcRxStrobeDelayRegValue; + + /* Enable if SD Card Power Enable Signal is Active High */ + uint8_t SdCardPowerEnableActiveHigh; + + /* Integrated Sensor */ + uint8_t PchIshEnable; + + /* Heci related */ + uint8_t Heci3Enabled; + + /* Gfx related */ + uint8_t IgdDvmt50PreAlloc; + uint8_t InternalGfx; + uint8_t SkipExtGfxScan; + + uint32_t GraphicsConfigPtr; + uint8_t Device4Enable; + + /* GPIO IRQ Select. The valid value is 14 or 15 */ + uint8_t GpioIrqRoute; + /* SCI IRQ Select. The valid value is 9, 10, 11, 20, 21, 22, 23 */ + uint8_t SciIrqSelect; + /* TCO IRQ Select. The valid value is 9, 10, 11, 20, 21, 22, 23 */ + uint8_t TcoIrqSelect; + uint8_t TcoIrqEnable; + + /* HeciEnabled decides the state of Heci1 at end of boot + * Setting to 0 (default) disables Heci1 and hides the device from OS */ + uint8_t HeciEnabled; + /* PL2 Override value in Watts */ + uint32_t tdp_pl2_override; + /* Intel Speed Shift Technology */ + uint8_t speed_shift_enable; + /* Enable VR specific mailbox command + * 00b - no VR specific cmd sent + * 01b - VR mailbox cmd specifically for the MPS IMPV8 VR will be sent + * 10b - VR specific cmd sent for PS4 exit issue + * 11b - Reserved */ + uint8_t SendVrMbxCmd; + + /* Enable/Disable EIST. 1b:Enabled, 0b:Disabled */ + uint8_t eist_enable; + + /* Enable C6 DRAM */ + uint8_t enable_c6dram; + + uint8_t PmTimerDisabled; + + /* Desired platform debug type. */ + enum { + DebugConsent_Disabled, + DebugConsent_DCI_DBC, + DebugConsent_DCI, + DebugConsent_USB3_DBC, + DebugConsent_XDP, /* XDP/Mipi60 */ + DebugConsent_USB2_DBC, + } DebugConsent; + /* + * SerialIO device mode selection: + * PchSerialIoDisabled, + * PchSerialIoPci, + * PchSerialIoHidden, + * PchSerialIoLegacyUart, + * PchSerialIoSkipInit + */ + uint8_t SerialIoI2cMode[CONFIG_SOC_INTEL_I2C_DEV_MAX]; + uint8_t SerialIoGSpiMode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX]; + uint8_t SerialIoUartMode[CONFIG_SOC_INTEL_UART_DEV_MAX]; + /* + * GSPIn Default Chip Select Mode: + * 0:Hardware Mode, + * 1:Software Mode + */ + uint8_t SerialIoGSpiCsMode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX]; + /* + * GSPIn Default Chip Select State: + * 0: Low, + * 1: High + */ + uint8_t SerialIoGSpiCsState[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX]; + + /* GPIO SD card detect pin */ + unsigned int sdcard_cd_gpio; + + /* Enable Pch iSCLK */ + uint8_t pch_isclk; + + /* CNVi BT Audio Offload: Enable/Disable BT Audio Offload. */ + enum { + PLATFORM_POR, + FORCE_ENABLE, + FORCE_DISABLE, + } CnviBtAudioOffload; + + /* + * Override GPIO PM configuration: + * 0: Use FSP default GPIO PM program, + * 1: coreboot to override GPIO PM program + */ + uint8_t gpio_override_pm; + + /* + * GPIO PM configuration: 0 to disable, 1 to enable power gating + * Bit 6-7: Reserved + * Bit 5: MISCCFG_GPSIDEDPCGEN + * Bit 4: MISCCFG_GPRCOMPCDLCGEN + * Bit 3: MISCCFG_GPRTCDLCGEN + * Bit 2: MISCCFG_GSXLCGEN + * Bit 1: MISCCFG_GPDPCGEN + * Bit 0: MISCCFG_GPDLCGEN + */ + uint8_t gpio_pm[TOTAL_GPIO_COMM]; +}; + +typedef struct soc_intel_tigerlake_config config_t; + +#endif diff --git a/src/soc/intel/tigerlake/cpu.c b/src/soc/intel/tigerlake/cpu.c new file mode 100644 index 0000000000..4174cd2d24 --- /dev/null +++ b/src/soc/intel/tigerlake/cpu.c @@ -0,0 +1,268 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Intel Corporation. + * + * 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor CPU Datasheet + * Document number: 575683 + * Chapter number: 15 + */ + +#include <arch/cpu.h> +#include <console/console.h> +#include <device/pci.h> +#include <cpu/x86/lapic.h> +#include <cpu/x86/mp.h> +#include <cpu/x86/msr.h> +#include <cpu/intel/smm_reloc.h> +#include <cpu/intel/turbo.h> +#include <fsp/api.h> +#include <intelblocks/cpulib.h> +#include <intelblocks/mp_init.h> +#include <intelblocks/msr.h> +#include <romstage_handoff.h> +#include <soc/cpu.h> +#include <soc/msr.h> +#include <soc/pci_devs.h> +#include <soc/pm.h> +#include <soc/smm.h> +#include <soc/soc_chip.h> + +static void soc_fsp_load(void) +{ + fsps_load(romstage_handoff_is_resume()); +} + +static void configure_isst(void) +{ + config_t *conf = config_of_soc(); + msr_t msr; + + if (conf->speed_shift_enable) { + /* + * Kernel driver checks CPUID.06h:EAX[Bit 7] to determine if HWP + * is supported or not. coreboot needs to configure MSR 0x1AA + * which is then reflected in the CPUID register. + */ + msr = rdmsr(MSR_MISC_PWR_MGMT); + msr.lo |= MISC_PWR_MGMT_ISST_EN; /* Enable Speed Shift */ + msr.lo |= MISC_PWR_MGMT_ISST_EN_INT; /* Enable Interrupt */ + msr.lo |= MISC_PWR_MGMT_ISST_EN_EPP; /* Enable EPP */ + wrmsr(MSR_MISC_PWR_MGMT, msr); + } else { + msr = rdmsr(MSR_MISC_PWR_MGMT); + msr.lo &= ~MISC_PWR_MGMT_ISST_EN; /* Disable Speed Shift */ + msr.lo &= ~MISC_PWR_MGMT_ISST_EN_INT; /* Disable Interrupt */ + msr.lo &= ~MISC_PWR_MGMT_ISST_EN_EPP; /* Disable EPP */ + wrmsr(MSR_MISC_PWR_MGMT, msr); + } +} + +static void configure_misc(void) +{ + msr_t msr; + + config_t *conf = config_of_soc(); + + msr = rdmsr(IA32_MISC_ENABLE); + msr.lo |= (1 << 0); /* Fast String enable */ + msr.lo |= (1 << 3); /* TM1/TM2/EMTTM enable */ + /* Set EIST status */ + cpu_set_eist(conf->eist_enable); + wrmsr(IA32_MISC_ENABLE, msr); + + /* Disable Thermal interrupts */ + msr.lo = 0; + msr.hi = 0; + wrmsr(IA32_THERM_INTERRUPT, msr); + + /* Enable package critical interrupt only */ + msr.lo = 1 << 4; + msr.hi = 0; + wrmsr(IA32_PACKAGE_THERM_INTERRUPT, msr); + + /* Enable PROCHOT */ + msr = rdmsr(MSR_POWER_CTL); + msr.lo |= (1 << 0); /* Enable Bi-directional PROCHOT as an input*/ + msr.lo |= (1 << 23); /* Lock it */ + wrmsr(MSR_POWER_CTL, msr); +} + +static void enable_lapic_tpr(void) +{ + msr_t msr; + + msr = rdmsr(MSR_PIC_MSG_CONTROL); + msr.lo &= ~(1 << 10); /* Enable APIC TPR updates */ + wrmsr(MSR_PIC_MSG_CONTROL, msr); +} + +static void configure_dca_cap(void) +{ + uint32_t feature_flag; + msr_t msr; + + /* Check feature flag in CPUID.(EAX=1):ECX[18]==1 */ + feature_flag = cpu_get_feature_flags_ecx(); + if (feature_flag & CPUID_DCA) { + msr = rdmsr(IA32_PLATFORM_DCA_CAP); + msr.lo |= 1; + wrmsr(IA32_PLATFORM_DCA_CAP, msr); + } +} + +static void enable_pm_timer_emulation(void) +{ + /* ACPI PM timer emulation */ + msr_t msr; + /* + * The derived frequency is calculated as follows: + * (CTC_FREQ * msr[63:32]) >> 32 = target frequency. + * Back solve the multiplier so the 3.579545MHz ACPI timer + * frequency is used. + */ + msr.hi = (3579545ULL << 32) / CTC_FREQ; + /* Set PM1 timer IO port and enable */ + msr.lo = (EMULATE_DELAY_VALUE << EMULATE_DELAY_OFFSET_VALUE) | + EMULATE_PM_TMR_EN | (ACPI_BASE_ADDRESS + PM1_TMR); + wrmsr(MSR_EMULATE_PM_TIMER, msr); +} + +static void set_energy_perf_bias(u8 policy) +{ + msr_t msr; + int ecx; + + /* Determine if energy efficient policy is supported. */ + ecx = cpuid_ecx(0x6); + if (!(ecx & (1 << 3))) + return; + + /* Energy Policy is bits 3:0 */ + msr = rdmsr(IA32_ENERGY_PERF_BIAS); + msr.lo &= ~0xf; + msr.lo |= policy & 0xf; + wrmsr(IA32_ENERGY_PERF_BIAS, msr); +} + +static void configure_c_states(void) +{ + msr_t msr; + + /* C-state Interrupt Response Latency Control 1 - package C6/C7 short */ + msr.hi = 0; + msr.lo = IRTL_VALID | IRTL_32768_NS | C_STATE_LATENCY_CONTROL_1_LIMIT; + wrmsr(MSR_C_STATE_LATENCY_CONTROL_1, msr); + + /* C-state Interrupt Response Latency Control 2 - package C6/C7 long */ + msr.hi = 0; + msr.lo = IRTL_VALID | IRTL_32768_NS | C_STATE_LATENCY_CONTROL_2_LIMIT; + wrmsr(MSR_C_STATE_LATENCY_CONTROL_2, msr); + + /* C-state Interrupt Response Latency Control 3 - package C8 */ + msr.hi = 0; + msr.lo = IRTL_VALID | IRTL_32768_NS | + C_STATE_LATENCY_CONTROL_3_LIMIT; + wrmsr(MSR_C_STATE_LATENCY_CONTROL_3, msr); + + /* C-state Interrupt Response Latency Control 4 - package C9 */ + msr.hi = 0; + msr.lo = IRTL_VALID | IRTL_32768_NS | + C_STATE_LATENCY_CONTROL_4_LIMIT; + wrmsr(MSR_C_STATE_LATENCY_CONTROL_4, msr); + + /* C-state Interrupt Response Latency Control 5 - package C10 */ + msr.hi = 0; + msr.lo = IRTL_VALID | IRTL_32768_NS | + C_STATE_LATENCY_CONTROL_5_LIMIT; + wrmsr(MSR_C_STATE_LATENCY_CONTROL_5, msr); +} + +/* All CPUs including BSP will run the following function. */ +void soc_core_init(struct device *cpu) +{ + /* Clear out pending MCEs */ + /* TODO(adurbin): This should only be done on a cold boot. Also, some + * of these banks are core vs package scope. For now every CPU clears + * every bank. */ + mca_configure(); + + /* Enable the local CPU apics */ + enable_lapic_tpr(); + setup_lapic(); + + /* Configure c-state interrupt response time */ + configure_c_states(); + + /* Configure Enhanced SpeedStep and Thermal Sensors */ + configure_misc(); + + /* Configure Intel Speed Shift */ + configure_isst(); + + /* Enable PM timer emulation */ + enable_pm_timer_emulation(); + + /* Enable Direct Cache Access */ + configure_dca_cap(); + + /* Set energy policy */ + set_energy_perf_bias(ENERGY_POLICY_NORMAL); + + /* Enable Turbo */ + enable_turbo(); +} + +static void per_cpu_smm_trigger(void) +{ + /* Relocate the SMM handler. */ + smm_relocate(); +} + +static void post_mp_init(void) +{ + /* Set Max Ratio */ + cpu_set_max_ratio(); + + /* + * Now that all APs have been relocated as well as the BSP let SMIs + * start flowing. + */ + smm_southbridge_enable(PWRBTN_EN | GBL_EN); + + /* Lock down the SMRAM space. */ + smm_lock(); +} + +static const struct mp_ops mp_ops = { + /* + * Skip Pre MP init MTRR programming as MTRRs are mirrored from BSP, + * that are set prior to ramstage. + * Real MTRRs programming are being done after resource allocation. + */ + .pre_mp_init = soc_fsp_load, + .get_cpu_count = get_cpu_count, + .get_smm_info = smm_info, + .get_microcode_info = get_microcode_info, + .pre_mp_smm_init = smm_initialize, + .per_cpu_smm_trigger = per_cpu_smm_trigger, + .relocation_handler = smm_relocation_handler, + .post_mp_init = post_mp_init, +}; + +void soc_init_cpus(struct bus *cpu_bus) +{ + if (mp_init_with_smm(cpu_bus, &mp_ops)) + printk(BIOS_ERR, "MP initialization failure.\n"); +} diff --git a/src/soc/intel/tigerlake/elog.c b/src/soc/intel/tigerlake/elog.c new file mode 100644 index 0000000000..2ec6b410df --- /dev/null +++ b/src/soc/intel/tigerlake/elog.c @@ -0,0 +1,132 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Intel Corporation. + * Copyright 2019 Google LLC + * + * 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 <bootstate.h> +#include <cbmem.h> +#include <console/console.h> +#include <stdint.h> +#include <elog.h> +#include <intelblocks/pmclib.h> +#include <soc/pci_devs.h> +#include <soc/pm.h> + +static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start) +{ + int i; + + gpe0_sts &= gpe0_en; + + for (i = 0; i <= 31; i++) { + if (gpe0_sts & (1 << i)) + elog_add_event_wake(ELOG_WAKE_SOURCE_GPIO, i + start); + } +} + +static void pch_log_wake_source(struct chipset_power_state *ps) +{ + /* Power Button */ + if (ps->pm1_sts & PWRBTN_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_PWRBTN, 0); + + /* RTC */ + if (ps->pm1_sts & RTC_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_RTC, 0); + + /* PCI Express (TODO: determine wake device) */ + if (ps->pm1_sts & PCIEXPWAK_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_PCIE, 0); + + /* PME (TODO: determine wake device) */ + if (ps->gpe0_sts[GPE_STD] & PME_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_PME, 0); + + /* Internal PME (TODO: determine wake device) */ + if (ps->gpe0_sts[GPE_STD] & PME_B0_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_PME_INTERNAL, 0); + + /* SMBUS Wake */ + if (ps->gpe0_sts[GPE_STD] & SMB_WAK_STS) + elog_add_event_wake(ELOG_WAKE_SOURCE_SMBUS, 0); + + /* Log GPIO events in set 1-3 */ + pch_log_gpio_gpe(ps->gpe0_sts[GPE_31_0], ps->gpe0_en[GPE_31_0], 0); + pch_log_gpio_gpe(ps->gpe0_sts[GPE_63_32], ps->gpe0_en[GPE_63_32], 32); + pch_log_gpio_gpe(ps->gpe0_sts[GPE_95_64], ps->gpe0_en[GPE_95_64], 64); + /* Treat the STD as an extension of GPIO to obtain visibility. */ + pch_log_gpio_gpe(ps->gpe0_sts[GPE_STD], ps->gpe0_en[GPE_STD], 96); +} + +static void pch_log_power_and_resets(struct chipset_power_state *ps) +{ + /* Thermal Trip */ + if (ps->gblrst_cause[0] & GBLRST_CAUSE0_THERMTRIP) + elog_add_event(ELOG_TYPE_THERM_TRIP); + + /* PWR_FLR Power Failure */ + if (ps->gen_pmcon_a & PWR_FLR) + elog_add_event(ELOG_TYPE_POWER_FAIL); + + /* SUS Well Power Failure */ + if (ps->gen_pmcon_a & SUS_PWR_FLR) + elog_add_event(ELOG_TYPE_SUS_POWER_FAIL); + + /* TCO Timeout */ + if (ps->prev_sleep_state != ACPI_S3 && + ps->tco2_sts & TCO_STS_SECOND_TO) + elog_add_event(ELOG_TYPE_TCO_RESET); + + /* Power Button Override */ + if (ps->pm1_sts & PRBTNOR_STS) + elog_add_event(ELOG_TYPE_POWER_BUTTON_OVERRIDE); + + /* RTC reset */ + if (ps->gen_pmcon_b & RTC_BATTERY_DEAD) + elog_add_event(ELOG_TYPE_RTC_RESET); + + /* Host Reset Status */ + if (ps->gen_pmcon_a & HOST_RST_STS) + elog_add_event(ELOG_TYPE_SYSTEM_RESET); + + /* ACPI Wake Event */ + if (ps->prev_sleep_state != ACPI_S0) + elog_add_event_byte(ELOG_TYPE_ACPI_WAKE, ps->prev_sleep_state); +} + +static void pch_log_state(void *unused) +{ + struct chipset_power_state *ps = pmc_get_power_state(); + + if (!ps) { + printk(BIOS_ERR, "chipset_power_state not found!\n"); + return; + } + + /* Power and Reset */ + pch_log_power_and_resets(ps); + + /* Wake Sources */ + if (ps->prev_sleep_state > ACPI_S0) + pch_log_wake_source(ps); +} + +BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT, pch_log_state, NULL); + +void elog_gsmi_cb_platform_log_wake_source(void) +{ + struct chipset_power_state ps; + pmc_fill_pm_reg_info(&ps); + pch_log_wake_source(&ps); +} diff --git a/src/soc/intel/tigerlake/espi.c b/src/soc/intel/tigerlake/espi.c new file mode 100644 index 0000000000..932f76089d --- /dev/null +++ b/src/soc/intel/tigerlake/espi.c @@ -0,0 +1,248 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 2 + */ + +#include <device/device.h> +#include <device/pci.h> +#include <pc80/isa-dma.h> +#include <pc80/i8259.h> +#include <arch/io.h> +#include <device/pci_ops.h> +#include <arch/ioapic.h> +#include <intelblocks/itss.h> +#include <intelblocks/lpc_lib.h> +#include <intelblocks/pcr.h> +#include <reg_script.h> +#include <soc/espi.h> +#include <soc/iomap.h> +#include <soc/irq.h> +#include <soc/pci_devs.h> +#include <soc/pcr_ids.h> +#include <soc/soc_chip.h> + +/* +* As per the BWG, Chapter 5.9.1. "PCH BIOS component will reserve +* certain memory range as reserved range for BIOS usage. +* For this SOC, the range will be from 0FC800000h till FE7FFFFFh" +*/ +static const struct lpc_mmio_range tgl_lpc_fixed_mmio_ranges[] = { + { PCH_PRESERVED_BASE_ADDRESS, PCH_PRESERVED_BASE_SIZE }, + { 0, 0 } +}; + +const struct lpc_mmio_range *soc_get_fixed_mmio_ranges() +{ + return tgl_lpc_fixed_mmio_ranges; +} + +void soc_get_gen_io_dec_range(const struct device *dev, uint32_t *gen_io_dec) +{ + const config_t *config = config_of(dev); + + gen_io_dec[0] = config->gen1_dec; + gen_io_dec[1] = config->gen2_dec; + gen_io_dec[2] = config->gen3_dec; + gen_io_dec[3] = config->gen4_dec; +} + +void soc_setup_dmi_pcr_io_dec(uint32_t *gen_io_dec) +{ + /* Mirror these same settings in DMI PCR */ + pcr_write32(PID_DMI, PCR_DMI_LPCLGIR1, gen_io_dec[0]); + pcr_write32(PID_DMI, PCR_DMI_LPCLGIR2, gen_io_dec[1]); + pcr_write32(PID_DMI, PCR_DMI_LPCLGIR3, gen_io_dec[2]); + pcr_write32(PID_DMI, PCR_DMI_LPCLGIR4, gen_io_dec[3]); +} + +uint8_t get_pch_series(void) +{ + uint16_t lpc_did_hi_byte; + + /* + * Fetch upper 8 bits on ESPI device ID to determine PCH type + * Adding 1 to the offset to fetch upper 8 bits + */ + lpc_did_hi_byte = pci_read_config8(PCH_DEV_ESPI, PCI_DEVICE_ID + 1); + + if (lpc_did_hi_byte == 0x9D) + return PCH_LP; + else if (lpc_did_hi_byte == 0xA3) + return PCH_H; + else + return PCH_UNKNOWN_SERIES; +} + +#if ENV_RAMSTAGE +static void soc_mirror_dmi_pcr_io_dec(void) +{ + struct device *dev = pcidev_on_root(PCH_DEV_SLOT_ESPI, 0); + uint32_t io_dec_arr[] = { + pci_read_config32(dev, ESPI_GEN1_DEC), + pci_read_config32(dev, ESPI_GEN2_DEC), + pci_read_config32(dev, ESPI_GEN3_DEC), + pci_read_config32(dev, ESPI_GEN4_DEC), + }; + /* Mirror these same settings in DMI PCR */ + soc_setup_dmi_pcr_io_dec(&io_dec_arr[0]); +} + +static void pch_enable_ioapic(const struct device *dev) +{ + u32 reg32; + /* PCH-LP has 120 redirection entries */ + const int redir_entries = 120; + + set_ioapic_id((void *)IO_APIC_ADDR, 0x02); + + /* affirm full set of redirection table entries ("write once") */ + reg32 = io_apic_read((void *)IO_APIC_ADDR, 0x01); + + reg32 &= ~0x00ff0000; + reg32 |= (redir_entries - 1) << 16; + + io_apic_write((void *)IO_APIC_ADDR, 0x01, reg32); + + /* + * Select Boot Configuration register (0x03) and + * use Processor System Bus (0x01) to deliver interrupts. + */ + io_apic_write((void *)IO_APIC_ADDR, 0x03, 0x01); +} +/* + * PIRQ[n]_ROUT[3:0] - PIRQ Routing Control + * 0x00 - 0000 = Reserved + * 0x01 - 0001 = Reserved + * 0x02 - 0010 = Reserved + * 0x03 - 0011 = IRQ3 + * 0x04 - 0100 = IRQ4 + * 0x05 - 0101 = IRQ5 + * 0x06 - 0110 = IRQ6 + * 0x07 - 0111 = IRQ7 + * 0x08 - 1000 = Reserved + * 0x09 - 1001 = IRQ9 + * 0x0A - 1010 = IRQ10 + * 0x0B - 1011 = IRQ11 + * 0x0C - 1100 = IRQ12 + * 0x0D - 1101 = Reserved + * 0x0E - 1110 = IRQ14 + * 0x0F - 1111 = IRQ15 + * PIRQ[n]_ROUT[7] - PIRQ Routing Control + * 0x80 - The PIRQ is not routed. + */ + +void soc_pch_pirq_init(const struct device *dev) +{ + struct device *irq_dev; + uint8_t pch_interrupt_routing[MAX_PXRC_CONFIG]; + + pch_interrupt_routing[0] = PCH_IRQ11; + pch_interrupt_routing[1] = PCH_IRQ10; + pch_interrupt_routing[2] = PCH_IRQ11; + pch_interrupt_routing[3] = PCH_IRQ11; + pch_interrupt_routing[4] = PCH_IRQ11; + pch_interrupt_routing[5] = PCH_IRQ11; + pch_interrupt_routing[6] = PCH_IRQ11; + pch_interrupt_routing[7] = PCH_IRQ11; + + itss_irq_init(pch_interrupt_routing); + + for (irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) { + u8 int_pin = 0, int_line = 0; + + if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI) + continue; + + int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN); + + switch (int_pin) { + case 1: /* INTA# */ + int_line = PCH_IRQ11; + break; + case 2: /* INTB# */ + int_line = PCH_IRQ10; + break; + case 3: /* INTC# */ + int_line = PCH_IRQ11; + break; + case 4: /* INTD# */ + int_line = PCH_IRQ11; + break; + } + + if (!int_line) + continue; + + pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line); + } +} + +static void pch_misc_init(void) +{ + uint8_t reg8; + + /* Setup NMI on errors, disable SERR */ + reg8 = (inb(0x61)) & 0xf0; + outb((reg8 | (1 << 2)), 0x61); + + /* Disable NMI sources */ + outb((1 << 7), 0x70); +}; + +void lpc_soc_init(struct device *dev) +{ + /* Legacy initialization */ + isa_dma_init(); + pch_misc_init(); + + /* Enable CLKRUN_EN for power gating ESPI */ + lpc_enable_pci_clk_cntl(); + + /* Set ESPI Serial IRQ mode */ + if (CONFIG(SERIRQ_CONTINUOUS_MODE)) + lpc_set_serirq_mode(SERIRQ_CONTINUOUS); + else + lpc_set_serirq_mode(SERIRQ_QUIET); + + /* Interrupt configuration */ + pch_enable_ioapic(dev); + soc_pch_pirq_init(dev); + setup_i8259(); + i8259_configure_irq_trigger(9, 1); + soc_mirror_dmi_pcr_io_dec(); +} + +/* Fill up ESPI IO resource structure inside SoC directory */ +void pch_lpc_soc_fill_io_resources(struct device *dev) +{ + /* + * PMC pci device gets hidden from PCI bus due to Silicon + * policy hence bind ACPI BASE aka ABASE (offset 0x20) with + * ESPI IO resources to ensure that ABASE falls under PCI reserved + * IO memory range. + * + * Note: Don't add any more resource with same offset 0x20 + * under this device space. + */ + pch_lpc_add_new_resource(dev, PCI_BASE_ADDRESS_4, + ACPI_BASE_ADDRESS, ACPI_BASE_SIZE, IORESOURCE_IO | + IORESOURCE_ASSIGNED | IORESOURCE_FIXED); +} + +#endif diff --git a/src/soc/intel/tigerlake/finalize.c b/src/soc/intel/tigerlake/finalize.c new file mode 100644 index 0000000000..ac9dc24b50 --- /dev/null +++ b/src/soc/intel/tigerlake/finalize.c @@ -0,0 +1,126 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 4, 29 + */ + +#include <arch/io.h> +#include <device/mmio.h> +#include <bootstate.h> +#include <console/console.h> +#include <console/post_codes.h> +#include <cpu/x86/smm.h> +#include <device/pci.h> +#include <intelblocks/lpc_lib.h> +#include <intelblocks/pcr.h> +#include <intelblocks/tco.h> +#include <intelblocks/thermal.h> +#include <reg_script.h> +#include <spi-generic.h> +#include <soc/p2sb.h> +#include <soc/pci_devs.h> +#include <soc/pcr_ids.h> +#include <soc/pm.h> +#include <soc/smbus.h> +#include <soc/soc_chip.h> +#include <soc/systemagent.h> +#include <stdlib.h> + +#define CAMERA1_CLK 0x8000 /* Camera 1 Clock */ +#define CAMERA2_CLK 0x8080 /* Camera 2 Clock */ +#define CAM_CLK_EN (1 << 1) +#define MIPI_CLK (1 << 0) +#define HDPLL_CLK (0 << 0) + +static void pch_enable_isclk(void) +{ + pcr_or32(PID_ISCLK, CAMERA1_CLK, CAM_CLK_EN | MIPI_CLK); + pcr_or32(PID_ISCLK, CAMERA2_CLK, CAM_CLK_EN | MIPI_CLK); +} + +static void pch_handle_sideband(config_t *config) +{ + if (config->pch_isclk) + pch_enable_isclk(); +} + +static void pch_finalize(void) +{ + uint32_t reg32; + uint8_t *pmcbase; + config_t *config; + uint8_t reg8; + + /* TCO Lock down */ + tco_lockdown(); + + /* + * Set low maximum temp threshold value used for dynamic thermal sensor + * shutdown consideration. + * + * If Dynamic Thermal Shutdown is enabled then PMC logic shuts down the + * thermal sensor when CPU is in a C-state and DTS Temp <= LTT. + */ + pch_thermal_configuration(); + + /* + * Disable ACPI PM timer based on dt policy + * + * Disabling ACPI PM timer is necessary for XTAL OSC shutdown. + * Disabling ACPI PM timer also switches off TCO + * + * SA_DEV_ROOT device is used here instead of PCH_DEV_PMC since it is + * just required to get to chip config. PCH_DEV_PMC is hidden by this + * point and hence removed from the root bus. pcidev_path_on_root thus + * returns NULL for PCH_DEV_PMC device. + */ + config = config_of_soc(); + pmcbase = pmc_mmio_regs(); + if (config->PmTimerDisabled) { + reg8 = read8(pmcbase + PCH_PWRM_ACPI_TMR_CTL); + reg8 |= (1 << 1); + write8(pmcbase + PCH_PWRM_ACPI_TMR_CTL, reg8); + } + + /* Disable XTAL shutdown qualification for low power idle. */ + if (config->s0ix_enable) { + reg32 = read32(pmcbase + CPPMVRIC); + reg32 |= XTALSDQDIS; + write32(pmcbase + CPPMVRIC, reg32); + } + + pch_handle_sideband(config); + + pmc_clear_pmcon_sts(); +} + +static void soc_finalize(void *unused) +{ + printk(BIOS_DEBUG, "Finalizing chipset.\n"); + + pch_finalize(); + + printk(BIOS_DEBUG, "Finalizing SMM.\n"); + outb(APM_CNT_FINALIZE, APM_CNT); + + /* Indicate finalize step with post code */ + post_code(POST_OS_BOOT); +} + +BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, soc_finalize, NULL); +BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, soc_finalize, NULL); diff --git a/src/soc/intel/tigerlake/fsp_params.c b/src/soc/intel/tigerlake/fsp_params.c new file mode 100644 index 0000000000..18985a6495 --- /dev/null +++ b/src/soc/intel/tigerlake/fsp_params.c @@ -0,0 +1,46 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Intel Corporation. + * + * 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 <console/console.h> +#include <fsp/api.h> +#include <soc/ramstage.h> + +static const pci_devfn_t serial_io_dev[] = { + PCH_DEVFN_I2C0, + PCH_DEVFN_I2C1, + PCH_DEVFN_I2C2, + PCH_DEVFN_I2C3, + PCH_DEVFN_I2C4, + PCH_DEVFN_I2C5, + PCH_DEVFN_GSPI0, + PCH_DEVFN_GSPI1, + PCH_DEVFN_GSPI2, + PCH_DEVFN_UART0, + PCH_DEVFN_UART1, + PCH_DEVFN_UART2 +}; + +/* UPD parameters to be initialized before SiliconInit */ +void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) +{ + /* TODO: Update with UPD override as FSP matures */ +} + +/* Return list of SOC LPSS controllers */ +const pci_devfn_t *soc_lpss_controllers_list(size_t *size) +{ + *size = ARRAY_SIZE(serial_io_dev); + return serial_io_dev; +} diff --git a/src/soc/intel/tigerlake/gpio.c b/src/soc/intel/tigerlake/gpio.c new file mode 100644 index 0000000000..4a5880b824 --- /dev/null +++ b/src/soc/intel/tigerlake/gpio.c @@ -0,0 +1,212 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 27 + */ + +#include <intelblocks/gpio.h> +#include <intelblocks/pcr.h> +#include <soc/pcr_ids.h> +#include <soc/pmc.h> + +static const struct reset_mapping rst_map[] = { + { .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 0U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 }, +}; + +static const struct reset_mapping rst_map_com0[] = { + { .logical = PAD_CFG0_LOGICAL_RESET_PWROK, .chipset = 0U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 }, + { .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 3U << 30 }, +}; + +/* + * The GPIO driver for Tigerlake on Windows/Linux expects 32 GPIOs per pad + * group, regardless of whether or not there is a physical pad for each + * exposed GPIO number. + * + * This results in the OS having a sparse GPIO map, and devices that need + * to export an ACPI GPIO must use the OS expected number. + * + * Not all pins are usable as GPIO and those groups do not have a pad base. + * + * This layout matches the Linux kernel pinctrl map for CNL-LP at: + * linux/drivers/pinctrl/intel/pinctrl-tigerlake.c + */ +static const struct pad_group tgl_community0_groups[] = { + INTEL_GPP_BASE(GPP_G0, GPP_G0, GPP_G7, 0), /* GPP_G */ + INTEL_GPP_BASE(GPP_G0, GPP_B0, GPP_B23, 32), /* GPP_B */ + INTEL_GPP(GPP_G0, GPIO_RSVD_0, GPIO_RSVD_1), + INTEL_GPP_BASE(GPP_G0, GPP_A0, GPP_A23, 64), /* GPP_A */ +}; + +static const struct pad_group tgl_community1_groups[] = { + INTEL_GPP_BASE(GPP_H0, GPP_H0, GPP_H23, 96), /* GPP_H */ + INTEL_GPP_BASE(GPP_H0, GPP_D0, GPIO_RSVD_2, 128), /* GPP_D */ + INTEL_GPP_BASE(GPP_H0, GPP_F0, GPP_F19, 160), /* GPP_F */ +}; + +/* This community is not visible to the OS */ +static const struct pad_group tgl_community2_groups[] = { + INTEL_GPP(GPD0, GPD0, GPD11), /* GPD */ +}; + + +static const struct pad_group tgl_community4_groups[] = { + INTEL_GPP_BASE(GPP_C0, GPP_C0, GPP_C23, 224), /* GPP_C */ + INTEL_GPP_BASE(GPP_C0, GPP_E0, GPP_E23, 256), /* GPP_E */ + INTEL_GPP(GPP_C0, GPIO_RSVD_3, GPIO_RSVD_8), +}; + + +static const struct pad_group tgl_community5_groups[] = { + INTEL_GPP_BASE(GPP_R0, GPP_R0, GPP_R7, 288), /* GPP_R */ + INTEL_GPP_BASE(GPP_C0, GPP_S0, GPP_S7, 320), /* GPP_S */ +}; + +static const struct pad_community tgl_communities[TOTAL_GPIO_COMM] = { + /* GPP G, B, A */ + [COMM_0] = { + .port = PID_GPIOCOM0, + .first_pad = GPP_G0, + .last_pad = GPP_A23, + .num_gpi_regs = NUM_GPIO_COM0_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_int_sts_reg_0 = GPI_INT_STS_0, + .gpi_int_en_reg_0 = GPI_INT_EN_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPP_GBA", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map_com0, + .num_reset_vals = ARRAY_SIZE(rst_map_com0), + .groups = tgl_community0_groups, + .num_groups = ARRAY_SIZE(tgl_community0_groups), + }, + /* GPP H, D, F */ + [COMM_1] = { + .port = PID_GPIOCOM1, + .first_pad = GPP_H0, + .last_pad = GPP_F19, + .num_gpi_regs = NUM_GPIO_COM1_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_int_sts_reg_0 = GPI_INT_STS_0, + .gpi_int_en_reg_0 = GPI_INT_EN_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPP_HDF", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map, + .num_reset_vals = ARRAY_SIZE(rst_map), + .groups = tgl_community1_groups, + .num_groups = ARRAY_SIZE(tgl_community1_groups), + }, + /* GPD */ + [COMM_2] = { + .port = PID_GPIOCOM2, + .first_pad = GPD0, + .last_pad = GPD11, + .num_gpi_regs = NUM_GPIO_COM2_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_int_sts_reg_0 = GPI_INT_STS_0, + .gpi_int_en_reg_0 = GPI_INT_EN_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPD", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map, + .num_reset_vals = ARRAY_SIZE(rst_map), + .groups = tgl_community2_groups, + .num_groups = ARRAY_SIZE(tgl_community2_groups), + }, + /* GPP C, E */ + [COMM_3] = { + .port = PID_GPIOCOM4, + .first_pad = GPP_C0, + .last_pad = GPP_E23, + .num_gpi_regs = NUM_GPIO_COM4_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_int_sts_reg_0 = GPI_INT_STS_0, + .gpi_int_en_reg_0 = GPI_INT_EN_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPP_CE", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map, + .num_reset_vals = ARRAY_SIZE(rst_map), + .groups = tgl_community4_groups, + .num_groups = ARRAY_SIZE(tgl_community4_groups), + }, + /* GPP R, S */ + [COMM_4] = { + .port = PID_GPIOCOM5, + .first_pad = GPP_R0, + .last_pad = GPP_S7, + .num_gpi_regs = NUM_GPIO_COM5_GPI_REGS, + .pad_cfg_base = PAD_CFG_BASE, + .host_own_reg_0 = HOSTSW_OWN_REG_0, + .gpi_int_sts_reg_0 = GPI_INT_STS_0, + .gpi_int_en_reg_0 = GPI_INT_EN_0, + .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, + .gpi_smi_en_reg_0 = GPI_SMI_EN_0, + .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, + .name = "GPP_RS", + .acpi_path = "\\_SB.PCI0.GPIO", + .reset_map = rst_map, + .num_reset_vals = ARRAY_SIZE(rst_map), + .groups = tgl_community5_groups, + .num_groups = ARRAY_SIZE(tgl_community5_groups), + } +}; + +const struct pad_community *soc_gpio_get_community(size_t *num_communities) +{ + *num_communities = ARRAY_SIZE(tgl_communities); + return tgl_communities; +} + +const struct pmc_to_gpio_route *soc_pmc_gpio_routes(size_t *num) +{ + static const struct pmc_to_gpio_route routes[] = { + { PMC_GPP_G, GPP_G }, + { PMC_GPP_B, GPP_B }, + { PMC_GPP_A, GPP_A }, + { PMC_GPP_H, GPP_H }, + { PMC_GPP_D, GPP_D }, + { PMC_GPP_F, GPP_F }, + { PMC_GPD, GPD }, + { PMC_GPP_C, GPP_C }, + { PMC_GPP_E, GPP_E }, + { PMC_GPP_R, GPP_R }, + { PMC_GPP_S, GPP_S } + + }; + *num = ARRAY_SIZE(routes); + return routes; +} diff --git a/src/soc/intel/tigerlake/graphics.c b/src/soc/intel/tigerlake/graphics.c new file mode 100644 index 0000000000..c215384f10 --- /dev/null +++ b/src/soc/intel/tigerlake/graphics.c @@ -0,0 +1,94 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor SA Datasheet + * Document number: 571131 + * Chapter number: 4 + */ + +#include <arch/acpi.h> +#include <console/console.h> +#include <fsp/util.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <drivers/intel/gma/i915_reg.h> +#include <drivers/intel/gma/opregion.h> +#include <intelblocks/graphics.h> +#include <types.h> + +uintptr_t fsp_soc_get_igd_bar(void) +{ + return graphics_get_memory_base(); +} + +void graphics_soc_init(struct device *dev) +{ + uint32_t ddi_buf_ctl; + + /* Skip IGD GT programming */ + if (CONFIG(SKIP_GRAPHICS_ENABLING)) + return; + + /* + * Enable DDI-A (eDP) 4-lane operation if the link is not up yet. + * This will allow the kernel to use 4-lane eDP links properly + * if the VBIOS or GOP driver do not execute. + */ + ddi_buf_ctl = graphics_gtt_read(DDI_BUF_CTL_A); + if (!acpi_is_wakeup_s3() && !(ddi_buf_ctl & DDI_BUF_CTL_ENABLE)) { + ddi_buf_ctl |= (DDI_A_4_LANES | DDI_INIT_DISPLAY_DETECTED | + DDI_BUF_IS_IDLE); + graphics_gtt_write(DDI_BUF_CTL_A, ddi_buf_ctl); + } + + /* + * GFX PEIM module inside FSP binary is taking care of graphics + * initialization based on RUN_FSP_GOP Kconfig + * option and input VBT file. Hence no need to load/execute legacy VGA + * OpROM in order to initialize GFX. + * + * In case of non-FSP solution, SoC need to select VGA_ROM_RUN + * Kconfig to perform GFX initialization through VGA OpRom. + */ + if (CONFIG(RUN_FSP_GOP)) + return; + + /* IGD needs to Bus Master */ + uint32_t reg32 = pci_read_config32(dev, PCI_COMMAND); + reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; + pci_write_config32(dev, PCI_COMMAND, reg32); + + /* Initialize PCI device, load/execute BIOS Option ROM */ + pci_dev_init(dev); +} + +uintptr_t graphics_soc_write_acpi_opregion(struct device *device, + uintptr_t current, struct acpi_rsdp *rsdp) +{ + igd_opregion_t *opregion; + + printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n"); + opregion = (igd_opregion_t *)current; + + if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS) + return current; + + current += sizeof(igd_opregion_t); + + return acpi_align_current(current); +} diff --git a/src/soc/intel/tigerlake/gspi.c b/src/soc/intel/tigerlake/gspi.c new file mode 100644 index 0000000000..2dc738ec97 --- /dev/null +++ b/src/soc/intel/tigerlake/gspi.c @@ -0,0 +1,37 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 11 + */ + +#include <intelblocks/gspi.h> +#include <soc/pci_devs.h> + +int gspi_soc_bus_to_devfn(unsigned int gspi_bus) +{ + switch (gspi_bus) { + case 0: + return PCH_DEVFN_GSPI0; + case 1: + return PCH_DEVFN_GSPI1; + case 2: + return PCH_DEVFN_GSPI2; + } + return -1; +} diff --git a/src/soc/intel/tigerlake/i2c.c b/src/soc/intel/tigerlake/i2c.c new file mode 100644 index 0000000000..3d00372d59 --- /dev/null +++ b/src/soc/intel/tigerlake/i2c.c @@ -0,0 +1,62 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 13 + */ + +#include <device/device.h> +#include <drivers/i2c/designware/dw_i2c.h> +#include <soc/pci_devs.h> + +int dw_i2c_soc_devfn_to_bus(unsigned int devfn) +{ + switch (devfn) { + case PCH_DEVFN_I2C0: + return 0; + case PCH_DEVFN_I2C1: + return 1; + case PCH_DEVFN_I2C2: + return 2; + case PCH_DEVFN_I2C3: + return 3; + case PCH_DEVFN_I2C4: + return 4; + case PCH_DEVFN_I2C5: + return 5; + } + return -1; +} + +int dw_i2c_soc_bus_to_devfn(unsigned int bus) +{ + switch (bus) { + case 0: + return PCH_DEVFN_I2C0; + case 1: + return PCH_DEVFN_I2C1; + case 2: + return PCH_DEVFN_I2C2; + case 3: + return PCH_DEVFN_I2C3; + case 4: + return PCH_DEVFN_I2C4; + case 5: + return PCH_DEVFN_I2C5; + } + return -1; +} diff --git a/src/soc/intel/tigerlake/include/soc/cpu.h b/src/soc/intel/tigerlake/include/soc/cpu.h new file mode 100644 index 0000000000..210e6993ed --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/cpu.h @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_TIGERLAKE_CPU_H_ +#define _SOC_TIGERLAKE_CPU_H_ + +#include <intelblocks/msr.h> + +/* Latency times in units of 32768ns */ +#define C_STATE_LATENCY_CONTROL_0_LIMIT 0x9d +#define C_STATE_LATENCY_CONTROL_1_LIMIT 0x9d +#define C_STATE_LATENCY_CONTROL_2_LIMIT 0x9d +#define C_STATE_LATENCY_CONTROL_3_LIMIT 0x9d +#define C_STATE_LATENCY_CONTROL_4_LIMIT 0x9d +#define C_STATE_LATENCY_CONTROL_5_LIMIT 0x9d + +/* Power in units of mW */ +#define C1_POWER 0x3e8 +#define C6_POWER 0x15e +#define C7_POWER 0xc8 +#define C8_POWER 0xc8 +#define C9_POWER 0xc8 +#define C10_POWER 0xc8 + +/* Common Timer Copy (CTC) frequency - 38.4MHz. */ +#define CTC_FREQ 38400000 + +#define C_STATE_LATENCY_MICRO_SECONDS(limit, base) \ + (((1 << ((base)*5)) * (limit)) / 1000) +#define C_STATE_LATENCY_FROM_LAT_REG(reg) \ + C_STATE_LATENCY_MICRO_SECONDS(C_STATE_LATENCY_CONTROL_ ##reg## _LIMIT, \ + (IRTL_1024_NS >> 10)) + +/* Configure power limits for turbo mode */ +void set_power_limits(u8 power_limit_1_time); + +#endif diff --git a/src/soc/intel/tigerlake/include/soc/gpe.h b/src/soc/intel/tigerlake/include/soc/gpe.h new file mode 100644 index 0000000000..d946e2af13 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/gpe.h @@ -0,0 +1,134 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_GPE_H_ +#define _SOC_GPE_H_ + +/* GPE_31_0 */ +#define GPE0_DW0_00 0 +#define GPE0_DW0_01 1 +#define GPE0_DW0_02 2 +#define GPE0_DW0_03 3 +#define GPE0_DW0_04 4 +#define GPE0_DW0_05 5 +#define GPE0_DW0_06 6 +#define GPE0_DW0_07 7 +#define GPE0_DW0_08 8 +#define GPE0_DW0_09 9 +#define GPE0_DW0_10 10 +#define GPE0_DW0_11 11 +#define GPE0_DW0_12 12 +#define GPE0_DW0_13 13 +#define GPE0_DW0_14 14 +#define GPE0_DW0_15 15 +#define GPE0_DW0_16 16 +#define GPE0_DW0_17 17 +#define GPE0_DW0_18 18 +#define GPE0_DW0_19 19 +#define GPE0_DW0_20 20 +#define GPE0_DW0_21 21 +#define GPE0_DW0_22 22 +#define GPE0_DW0_23 23 +#define GPE0_DW0_24 24 +#define GPE0_DW0_25 25 +#define GPE0_DW0_26 26 +#define GPE0_DW0_27 27 +#define GPE0_DW0_28 28 +#define GPE0_DW0_29 29 +#define GPE0_DW0_30 30 +#define GPE0_DW0_31 31 +/* GPE_63_32 */ +#define GPE0_DW1_00 32 +#define GPE0_DW1_01 33 +#define GPE0_DW1_02 34 +#define GPE0_DW1_03 36 +#define GPE0_DW1_04 36 +#define GPE0_DW1_05 37 +#define GPE0_DW1_06 38 +#define GPE0_DW1_07 39 +#define GPE0_DW1_08 40 +#define GPE0_DW1_09 41 +#define GPE0_DW1_10 42 +#define GPE0_DW1_11 43 +#define GPE0_DW1_12 44 +#define GPE0_DW1_13 45 +#define GPE0_DW1_14 46 +#define GPE0_DW1_15 47 +#define GPE0_DW1_16 48 +#define GPE0_DW1_17 49 +#define GPE0_DW1_18 50 +#define GPE0_DW1_19 51 +#define GPE0_DW1_20 52 +#define GPE0_DW1_21 53 +#define GPE0_DW1_22 54 +#define GPE0_DW1_23 55 +#define GPE0_DW1_24 56 +#define GPE0_DW1_25 57 +#define GPE0_DW1_26 58 +#define GPE0_DW1_27 59 +#define GPE0_DW1_28 60 +#define GPE0_DW1_29 61 +#define GPE0_DW1_30 62 +#define GPE0_DW1_31 63 +/* GPE_95_64 */ +#define GPE0_DW2_00 64 +#define GPE0_DW2_01 65 +#define GPE0_DW2_02 66 +#define GPE0_DW2_03 67 +#define GPE0_DW2_04 68 +#define GPE0_DW2_05 69 +#define GPE0_DW2_06 70 +#define GPE0_DW2_07 71 +#define GPE0_DW2_08 72 +#define GPE0_DW2_09 73 +#define GPE0_DW2_10 74 +#define GPE0_DW2_11 75 +#define GPE0_DW2_12 76 +#define GPE0_DW2_13 77 +#define GPE0_DW2_14 78 +#define GPE0_DW2_15 79 +#define GPE0_DW2_16 80 +#define GPE0_DW2_17 81 +#define GPE0_DW2_18 82 +#define GPE0_DW2_19 83 +#define GPE0_DW2_20 84 +#define GPE0_DW2_21 85 +#define GPE0_DW2_22 86 +#define GPE0_DW2_23 87 +#define GPE0_DW2_24 88 +#define GPE0_DW2_25 89 +#define GPE0_DW2_26 90 +#define GPE0_DW2_27 91 +#define GPE0_DW2_28 92 +#define GPE0_DW2_29 93 +#define GPE0_DW2_30 94 +#define GPE0_DW2_31 95 +/* GPE_STD */ +#define GPE0_HOT_PLUG 97 +#define GPE0_SWGPE 98 +#define GPE0_TCOSCI 102 +#define GPE0_SMB_WAK 103 +#define GPE0_PCI_EXP 105 +#define GPE0_BATLOW 106 +#define GPE0_PME 107 +#define GPE0_ME_SCI 108 +#define GPE0_PME_B0 109 +#define GPE0_ESPI 110 +#define GPE0_GPIO_T2 111 +#define GPE0_LAN_WAK 112 +#define GPE0_WADT 114 + +#define GPE_MAX GPE0_WADT +#endif /* _SOC_GPE_H_ */ diff --git a/src/soc/intel/tigerlake/include/soc/gpio.h b/src/soc/intel/tigerlake/include/soc/gpio.h new file mode 100644 index 0000000000..4b359b7452 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/gpio.h @@ -0,0 +1,24 @@ +/* + * 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. + */ + +#ifndef _SOC_TIGERLAKE_GPIO_H_ +#define _SOC_TIGERLAKE_GPIO_H_ + +#include <soc/gpio_defs.h> +#include <intelblocks/gpio.h> + +#define CROS_GPIO_DEVICE_NAME "INT3455:00" + +#endif diff --git a/src/soc/intel/tigerlake/include/soc/gpio_defs.h b/src/soc/intel/tigerlake/include/soc/gpio_defs.h new file mode 100644 index 0000000000..bffebcd312 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/gpio_defs.h @@ -0,0 +1,276 @@ +/* + * 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. + */ + +#ifndef _SOC_TIGERLAKE_GPIO_DEFS_H_ +#define _SOC_TIGERLAKE_GPIO_DEFS_H_ + +#ifndef __ACPI__ +#include <stddef.h> +#endif +#include <soc/gpio_soc_defs.h> + + +#define GPIO_NUM_PAD_CFG_REGS 4 /* DW0, DW1, DW2, DW3 */ + +#define NUM_GPIO_COMx_GPI_REGS(n) \ + (ALIGN_UP((n), GPIO_MAX_NUM_PER_GROUP) / GPIO_MAX_NUM_PER_GROUP) + +#define NUM_GPIO_COM0_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM0_PADS) +#define NUM_GPIO_COM1_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM1_PADS) +#define NUM_GPIO_COM2_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM2_PADS) +#define NUM_GPIO_COM4_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM4_PADS) +#define NUM_GPIO_COM5_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM5_PADS) + +#define NUM_GPI_STATUS_REGS \ + ((NUM_GPIO_COM0_GPI_REGS) +\ + (NUM_GPIO_COM1_GPI_REGS) +\ + (NUM_GPIO_COM2_GPI_REGS) +\ + (NUM_GPIO_COM4_GPI_REGS) +\ + (NUM_GPIO_COM5_GPI_REGS)) +/* + * IOxAPIC IRQs for the GPIOs + */ + +/* Group G */ +#define GPP_G0_IRQ 0x18 +#define GPP_G1_IRQ 0x19 +#define GPP_G2_IRQ 0x1a +#define GPP_G3_IRQ 0x1b +#define GPP_G4_IRQ 0x1c +#define GPP_G5_IRQ 0x1d +#define GPP_G6_IRQ 0x1e +#define GPP_G7_IRQ 0x1f + +/* Group B */ +#define GPP_B0_IRQ 0x20 +#define GPP_B1_IRQ 0x21 +#define GPP_B2_IRQ 0x22 +#define GPP_B3_IRQ 0x23 +#define GPP_B4_IRQ 0x24 +#define GPP_B5_IRQ 0x25 +#define GPP_B6_IRQ 0x26 +#define GPP_B7_IRQ 0x27 +#define GPP_B8_IRQ 0x28 +#define GPP_B9_IRQ 0x29 +#define GPP_B10_IRQ 0x2a +#define GPP_B11_IRQ 0x2b +#define GPP_B12_IRQ 0x2c +#define GPP_B13_IRQ 0x2d +#define GPP_B14_IRQ 0x2e +#define GPP_B15_IRQ 0x2f +#define GPP_B16_IRQ 0x30 +#define GPP_B17_IRQ 0x31 +#define GPP_B18_IRQ 0x32 +#define GPP_B19_IRQ 0x33 +#define GPP_B20_IRQ 0x34 +#define GPP_B21_IRQ 0x35 +#define GPP_B22_IRQ 0x36 +#define GPP_B23_IRQ 0x37 + +/* Group A */ +#define GPP_A0_IRQ 0x38 +#define GPP_A1_IRQ 0x39 +#define GPP_A2_IRQ 0x3a +#define GPP_A3_IRQ 0x3b +#define GPP_A4_IRQ 0x3c +#define GPP_A5_IRQ 0x3d +#define GPP_A6_IRQ 0x3e +#define GPP_A7_IRQ 0x3f +#define GPP_A8_IRQ 0x40 +#define GPP_A9_IRQ 0x41 +#define GPP_A10_IRQ 0x42 +#define GPP_A11_IRQ 0x43 +#define GPP_A12_IRQ 0x44 +#define GPP_A13_IRQ 0x45 +#define GPP_A14_IRQ 0x46 +#define GPP_A15_IRQ 0x47 +#define GPP_A16_IRQ 0x48 +#define GPP_A17_IRQ 0x49 +#define GPP_A18_IRQ 0x4a +#define GPP_A19_IRQ 0x4b +#define GPP_A20_IRQ 0x4c +#define GPP_A21_IRQ 0x4d +#define GPP_A22_IRQ 0x4e +#define GPP_A23_IRQ 0x4f + +/* Group H */ +#define GPP_H0_IRQ 0x70 +#define GPP_H1_IRQ 0x71 +#define GPP_H2_IRQ 0x72 +#define GPP_H3_IRQ 0x73 +#define GPP_H4_IRQ 0x74 +#define GPP_H5_IRQ 0x75 +#define GPP_H6_IRQ 0x76 +#define GPP_H7_IRQ 0x77 +#define GPP_H8_IRQ 0x18 +#define GPP_H9_IRQ 0x19 +#define GPP_H10_IRQ 0x1a +#define GPP_H11_IRQ 0x1b +#define GPP_H12_IRQ 0x1c +#define GPP_H13_IRQ 0x1d +#define GPP_H14_IRQ 0x1e +#define GPP_H15_IRQ 0x1f +#define GPP_H16_IRQ 0x20 +#define GPP_H17_IRQ 0x21 +#define GPP_H18_IRQ 0x22 +#define GPP_H19_IRQ 0x23 +#define GPP_H20_IRQ 0x24 +#define GPP_H21_IRQ 0x25 +#define GPP_H22_IRQ 0x26 +#define GPP_H23_IRQ 0x27 + +/* Group D */ +#define GPP_D0_IRQ 0x28 +#define GPP_D1_IRQ 0x29 +#define GPP_D2_IRQ 0x2a +#define GPP_D3_IRQ 0x2b +#define GPP_D4_IRQ 0x2c +#define GPP_D5_IRQ 0x2d +#define GPP_D6_IRQ 0x2e +#define GPP_D7_IRQ 0x2f +#define GPP_D8_IRQ 0x30 +#define GPP_D9_IRQ 0x31 +#define GPP_D10_IRQ 0x32 +#define GPP_D11_IRQ 0x33 +#define GPP_D12_IRQ 0x34 +#define GPP_D13_IRQ 0x35 +#define GPP_D14_IRQ 0x36 +#define GPP_D15_IRQ 0x37 +#define GPP_D16_IRQ 0x38 +#define GPP_D17_IRQ 0x39 +#define GPP_D18_IRQ 0x3a +#define GPP_D19_IRQ 0x3b + +/* Group F */ +#define GPP_F0_IRQ 0x40 +#define GPP_F1_IRQ 0x41 +#define GPP_F2_IRQ 0x42 +#define GPP_F3_IRQ 0x43 +#define GPP_F4_IRQ 0x44 +#define GPP_F5_IRQ 0x45 +#define GPP_F6_IRQ 0x46 +#define GPP_F7_IRQ 0x47 +#define GPP_F8_IRQ 0x48 +#define GPP_F9_IRQ 0x49 +#define GPP_F10_IRQ 0x4a +#define GPP_F11_IRQ 0x4b +#define GPP_F12_IRQ 0x4c +#define GPP_F13_IRQ 0x4d +#define GPP_F14_IRQ 0x4e +#define GPP_F15_IRQ 0x4f +#define GPP_F16_IRQ 0x50 +#define GPP_F17_IRQ 0x51 +#define GPP_F18_IRQ 0x52 +#define GPP_F19_IRQ 0x53 + +/* Group GPD */ +#define GPD0_IRQ 0x64 +#define GPD1_IRQ 0x65 +#define GPD2_IRQ 0x66 +#define GPD3_IRQ 0x67 +#define GPD4_IRQ 0x68 +#define GPD5_IRQ 0x69 +#define GPD6_IRQ 0x6a +#define GPD7_IRQ 0x6b +#define GPD8_IRQ 0x6c +#define GPD9_IRQ 0x6d +#define GPD10_IRQ 0x6e +#define GPD11_IRQ 0x6f + +/* Group C */ +#define GPP_C0_IRQ 0x5a +#define GPP_C1_IRQ 0x5b +#define GPP_C2_IRQ 0x5c +#define GPP_C3_IRQ 0x5d +#define GPP_C4_IRQ 0x5e +#define GPP_C5_IRQ 0x5f +#define GPP_C6_IRQ 0x60 +#define GPP_C7_IRQ 0x61 +#define GPP_C8_IRQ 0x62 +#define GPP_C9_IRQ 0x63 +#define GPP_C10_IRQ 0x64 +#define GPP_C11_IRQ 0x65 +#define GPP_C12_IRQ 0x66 +#define GPP_C13_IRQ 0x67 +#define GPP_C14_IRQ 0x68 +#define GPP_C15_IRQ 0x69 +#define GPP_C16_IRQ 0x6a +#define GPP_C17_IRQ 0x6b +#define GPP_C18_IRQ 0x6c +#define GPP_C19_IRQ 0x6d +#define GPP_C20_IRQ 0x6e +#define GPP_C21_IRQ 0x6f +#define GPP_C22_IRQ 0x70 +#define GPP_C23_IRQ 0x71 +/* Group E */ +#define GPP_E0_IRQ 0x72 +#define GPP_E1_IRQ 0x73 +#define GPP_E2_IRQ 0x74 +#define GPP_E3_IRQ 0x75 +#define GPP_E4_IRQ 0x76 +#define GPP_E5_IRQ 0x77 +#define GPP_E6_IRQ 0x18 +#define GPP_E7_IRQ 0x19 +#define GPP_E8_IRQ 0x1a +#define GPP_E9_IRQ 0x1b +#define GPP_E10_IRQ 0x1c +#define GPP_E11_IRQ 0x1d +#define GPP_E12_IRQ 0x1e +#define GPP_E13_IRQ 0x1f +#define GPP_E14_IRQ 0x20 +#define GPP_E15_IRQ 0x21 +#define GPP_E16_IRQ 0x22 +#define GPP_E17_IRQ 0x23 +#define GPP_E18_IRQ 0x24 +#define GPP_E19_IRQ 0x25 +#define GPP_E20_IRQ 0x26 +#define GPP_E21_IRQ 0x27 +#define GPP_E22_IRQ 0x28 +#define GPP_E23_IRQ 0x29 + +/* Group R*/ +#define GPP_R0_IRQ 0x50 +#define GPP_R1_IRQ 0x51 +#define GPP_R2_IRQ 0x52 +#define GPP_R3_IRQ 0x53 +#define GPP_R4_IRQ 0x54 +#define GPP_R5_IRQ 0x55 +#define GPP_R6_IRQ 0x56 +#define GPP_R7_IRQ 0x57 + +/* Group S */ +#define GPP_S0_IRQ 0x5c +#define GPP_S1_IRQ 0x5d +#define GPP_S2_IRQ 0x5e +#define GPP_S3_IRQ 0x5f +#define GPP_S4_IRQ 0x60 +#define GPP_S5_IRQ 0x61 +#define GPP_S6_IRQ 0x62 +#define GPP_S7_IRQ 0x63 + +/* Register defines. */ +#define GPIO_MISCCFG 0x10 +#define GPE_DW_SHIFT 8 +#define GPE_DW_MASK 0xfff00 +#define HOSTSW_OWN_REG_0 0xb0 +#define GPI_INT_STS_0 0x100 +#define GPI_INT_EN_0 0x110 +#define GPI_SMI_STS_0 0x180 +#define GPI_SMI_EN_0 0x1A0 +#define PAD_CFG_BASE 0x600 + +#define GPIORXSTATE_MASK 0x1 +#define GPIORXSTATE_SHIFT 1 +#endif diff --git a/src/soc/intel/tigerlake/include/soc/gpio_soc_defs.h b/src/soc/intel/tigerlake/include/soc/gpio_soc_defs.h new file mode 100644 index 0000000000..f0f2b11979 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/gpio_soc_defs.h @@ -0,0 +1,292 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_TIGERLAKE_GPIO_SOC_DEFS_H_ +#define _SOC_TIGERLAKE_GPIO_SOC_DEFS_H_ + +/* + * Most of the fixed numbers and macros are based on the GPP groups. + * The GPIO groups are accessed through register blocks called + * communities. + */ +#define GPP_G 0x0 +#define GPP_B 0x1 +#define GPP_A 0x2 +#define GPP_R 0x3 +#define GPP_S 0x4 +#define GPD 0x5 +#define GPP_H 0x6 +#define GPP_D 0x7 +#define GPP_F 0x8 +#define GPP_VGPIO 0x9 +#define GPP_C 0xA +#define GPP_E 0xB + +#define GPIO_NUM_GROUPS 11 +#define GPIO_MAX_NUM_PER_GROUP 24 + +/* + * GPIOs are ordered monotonically increasing to match ACPI/OS driver. + */ + +/* Group G */ +#define GPP_G0 0 +#define GPP_G1 1 +#define GPP_G2 2 +#define GPP_G3 3 +#define GPP_G4 4 +#define GPP_G5 5 +#define GPP_G6 6 +#define GPP_G7 7 + +/* Group B */ +#define GPP_B0 8 +#define GPP_B1 9 +#define GPP_B2 10 +#define GPP_B3 11 +#define GPP_B4 12 +#define GPP_B5 13 +#define GPP_B6 14 +#define GPP_B7 15 +#define GPP_B8 16 +#define GPP_B9 17 +#define GPP_B10 18 +#define GPP_B11 19 +#define GPP_B12 20 +#define GPP_B13 21 +#define GPP_B14 22 +#define GPP_B15 23 +#define GPP_B16 24 +#define GPP_B17 25 +#define GPP_B18 26 +#define GPP_B19 27 +#define GPP_B20 28 +#define GPP_B21 29 +#define GPP_B22 30 +#define GPP_B23 31 +#define GPIO_RSVD_0 32 +#define GPIO_RSVD_1 33 + +/* Group A */ +#define GPP_A0 34 +#define GPP_A1 35 +#define GPP_A2 36 +#define GPP_A3 37 +#define GPP_A4 38 +#define GPP_A5 39 +#define GPP_A6 40 +#define GPP_A7 41 +#define GPP_A8 42 +#define GPP_A9 43 +#define GPP_A10 44 +#define GPP_A11 45 +#define GPP_A12 46 +#define GPP_A13 47 +#define GPP_A14 48 +#define GPP_A15 49 +#define GPP_A16 50 +#define GPP_A17 51 +#define GPP_A18 52 +#define GPP_A19 53 +#define GPP_A20 54 +#define GPP_A21 55 +#define GPP_A22 56 +#define GPP_A23 57 + +#define NUM_GPIO_COM0_PADS (GPP_A23 - GPP_G0 + 1) + +/* Group H */ +#define GPP_H0 58 +#define GPP_H1 59 +#define GPP_H2 60 +#define GPP_H3 61 +#define GPP_H4 62 +#define GPP_H5 63 +#define GPP_H6 64 +#define GPP_H7 65 +#define GPP_H8 66 +#define GPP_H9 67 +#define GPP_H10 68 +#define GPP_H11 69 +#define GPP_H12 70 +#define GPP_H13 71 +#define GPP_H14 72 +#define GPP_H15 73 +#define GPP_H16 74 +#define GPP_H17 75 +#define GPP_H18 76 +#define GPP_H19 77 +#define GPP_H20 78 +#define GPP_H21 79 +#define GPP_H22 80 +#define GPP_H23 81 + +/* Group D */ +#define GPP_D0 82 +#define GPP_D1 83 +#define GPP_D2 84 +#define GPP_D3 85 +#define GPP_D4 86 +#define GPP_D5 87 +#define GPP_D6 88 +#define GPP_D7 89 +#define GPP_D8 90 +#define GPP_D9 91 +#define GPP_D10 92 +#define GPP_D11 93 +#define GPP_D12 94 +#define GPP_D13 95 +#define GPP_D14 96 +#define GPP_D15 97 +#define GPP_D16 98 +#define GPP_D17 99 +#define GPP_D18 100 +#define GPP_D19 101 +#define GPIO_RSVD_2 102 + +/* Group F */ +#define GPP_F0 103 +#define GPP_F1 104 +#define GPP_F2 105 +#define GPP_F3 106 +#define GPP_F4 107 +#define GPP_F5 108 +#define GPP_F6 109 +#define GPP_F7 110 +#define GPP_F8 111 +#define GPP_F9 112 +#define GPP_F10 113 +#define GPP_F11 114 +#define GPP_F12 115 +#define GPP_F13 116 +#define GPP_F14 117 +#define GPP_F15 118 +#define GPP_F16 119 +#define GPP_F17 120 +#define GPP_F18 121 +#define GPP_F19 122 + +#define NUM_GPIO_COM1_PADS (GPP_F19 - GPP_H0 + 1) + + +/* Group GPD */ +#define GPD0 123 +#define GPD1 124 +#define GPD2 125 +#define GPD3 126 +#define GPD4 127 +#define GPD5 128 +#define GPD6 129 +#define GPD7 130 +#define GPD8 131 +#define GPD9 132 +#define GPD10 133 +#define GPD11 134 + +#define NUM_GPIO_COM2_PADS (GPD11 - GPD0 + 1) + + +/* Group C */ +#define GPP_C0 135 +#define GPP_C1 136 +#define GPP_C2 137 +#define GPP_C3 138 +#define GPP_C4 139 +#define GPP_C5 140 +#define GPP_C6 141 +#define GPP_C7 142 +#define GPP_C8 143 +#define GPP_C9 144 +#define GPP_C10 145 +#define GPP_C11 146 +#define GPP_C12 147 +#define GPP_C13 148 +#define GPP_C14 149 +#define GPP_C15 150 +#define GPP_C16 151 +#define GPP_C17 152 +#define GPP_C18 153 +#define GPP_C19 154 +#define GPP_C20 155 +#define GPP_C21 156 +#define GPP_C22 157 +#define GPP_C23 158 +#define GPIO_RSVD_3 159 +#define GPIO_RSVD_4 160 +#define GPIO_RSVD_5 161 +#define GPIO_RSVD_6 162 +#define GPIO_RSVD_7 163 +#define GPIO_RSVD_8 164 + +/* Group E */ +#define GPP_E0 165 +#define GPP_E1 166 +#define GPP_E2 167 +#define GPP_E3 168 +#define GPP_E4 169 +#define GPP_E5 170 +#define GPP_E6 171 +#define GPP_E7 172 +#define GPP_E8 173 +#define GPP_E9 174 +#define GPP_E10 175 +#define GPP_E11 176 +#define GPP_E12 177 +#define GPP_E13 178 +#define GPP_E14 179 +#define GPP_E15 180 +#define GPP_E16 181 +#define GPP_E17 182 +#define GPP_E18 183 +#define GPP_E19 184 +#define GPP_E20 185 +#define GPP_E21 186 +#define GPP_E22 187 +#define GPP_E23 188 + +#define NUM_GPIO_COM4_PADS (GPP_E23 - GPP_C0 + 1) + +/* Group R*/ +#define GPP_R0 189 +#define GPP_R1 190 +#define GPP_R2 191 +#define GPP_R3 192 +#define GPP_R4 193 +#define GPP_R5 194 +#define GPP_R6 195 +#define GPP_R7 196 + +/* Group S */ +#define GPP_S0 197 +#define GPP_S1 198 +#define GPP_S2 199 +#define GPP_S3 200 +#define GPP_S4 201 +#define GPP_S5 202 +#define GPP_S6 203 +#define GPP_S7 204 + +#define NUM_GPIO_COM5_PADS (GPP_S7 - GPP_R0 + 1) + +#define TOTAL_PADS 205 + +#define COMM_0 0 +#define COMM_1 1 +#define COMM_2 2 +#define COMM_3 3 +#define COMM_4 4 +#define TOTAL_GPIO_COMM 5 + +#endif diff --git a/src/soc/intel/tigerlake/include/soc/irq.h b/src/soc/intel/tigerlake/include/soc/irq.h new file mode 100644 index 0000000000..2f980ff472 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/irq.h @@ -0,0 +1,106 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_IRQ_H_ +#define _SOC_IRQ_H_ + +#define GPIO_IRQ14 14 +#define GPIO_IRQ15 15 + +#define PCH_IRQ10 10 +#define PCH_IRQ11 11 + +#define SCI_IRQ9 9 +#define SCI_IRQ10 10 +#define SCI_IRQ11 11 +#define SCI_IRQ20 20 +#define SCI_IRQ21 21 +#define SCI_IRQ22 22 +#define SCI_IRQ23 23 + +#define TCO_IRQ9 9 +#define TCO_IRQ10 10 +#define TCO_IRQ11 11 +#define TCO_IRQ20 20 +#define TCO_IRQ21 21 +#define TCO_IRQ22 22 +#define TCO_IRQ23 23 + +#define LPSS_I2C0_IRQ 16 +#define LPSS_I2C1_IRQ 17 +#define LPSS_I2C2_IRQ 18 +#define LPSS_I2C3_IRQ 19 +#define LPSS_I2C4_IRQ 32 +#define LPSS_I2C5_IRQ 33 +#define LPSS_SPI0_IRQ 22 +#define LPSS_SPI1_IRQ 23 +#define LPSS_SPI2_IRQ 24 +#define LPSS_UART0_IRQ 20 +#define LPSS_UART1_IRQ 21 +#define LPSS_UART2_IRQ 34 +#define SDIO_IRQ 22 + +#define cAVS_INTA_IRQ 16 +#define SMBUS_INTA_IRQ 16 +#define SMBUS_INTB_IRQ 17 +#define GbE_INTA_IRQ 16 +#define GbE_INTC_IRQ 18 +#define TRACE_HUB_INTA_IRQ 16 +#define TRACE_HUB_INTD_IRQ 19 + +#define eMMC_IRQ 16 +#define SD_IRQ 19 + +#define PCIE_1_IRQ 16 +#define PCIE_2_IRQ 17 +#define PCIE_3_IRQ 18 +#define PCIE_4_IRQ 19 +#define PCIE_5_IRQ 16 +#define PCIE_6_IRQ 17 +#define PCIE_7_IRQ 18 +#define PCIE_8_IRQ 19 +#define PCIE_9_IRQ 16 +#define PCIE_10_IRQ 17 +#define PCIE_11_IRQ 18 +#define PCIE_12_IRQ 19 + +#define SATA_IRQ 16 + +#define HECI_1_IRQ 16 +#define HECI_2_IRQ 17 +#define IDER_IRQ 18 +#define KT_IRQ 19 +#define HECI_3_IRQ 16 + +#define XHCI_IRQ 16 +#define OTG_IRQ 17 +#define PMC_SRAM_IRQ 18 +#define THERMAL_IRQ 16 +#define CNViWIFI_IRQ 19 +#define UFS_IRQ 16 +#define CIO_INTA_IRQ 16 +#define CIO_INTD_IRQ 19 +#define ISH_IRQ 20 + +#define PEG_RP_INTA_IRQ 16 +#define PEG_RP_INTB_IRQ 17 +#define PEG_RP_INTC_IRQ 18 +#define PEG_RP_INTD_IRQ 19 + +#define IGFX_IRQ 16 +#define SA_THERMAL_IRQ 16 +#define IPU_IRQ 16 +#define GNA_IRQ 16 +#endif /* _SOC_IRQ_H_ */ diff --git a/src/soc/intel/tigerlake/include/soc/itss.h b/src/soc/intel/tigerlake/include/soc/itss.h new file mode 100644 index 0000000000..6631ccc27d --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/itss.h @@ -0,0 +1,26 @@ +/* + * 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. + */ + +#ifndef SOC_INTEL_TGL_ITSS_H +#define SOC_INTEL_TGL_ITSS_H + +#define GPIO_IRQ_START 50 +#define GPIO_IRQ_END ITSS_MAX_IRQ + +#define ITSS_MAX_IRQ 119 +#define IRQS_PER_IPC 32 +#define NUM_IPC_REGS ((ITSS_MAX_IRQ + IRQS_PER_IPC - 1)/IRQS_PER_IPC) + +#endif /* SOC_INTEL_TGL_ITSS_H */ diff --git a/src/soc/intel/tigerlake/include/soc/msr.h b/src/soc/intel/tigerlake/include/soc/msr.h new file mode 100644 index 0000000000..2aa79af3d7 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/msr.h @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_MSR_H_ +#define _SOC_MSR_H_ + +#include <intelblocks/msr.h> + +#define MSR_PIC_MSG_CONTROL 0x2e +#define MSR_VR_MISC_CONFIG2 0x636 + +#endif diff --git a/src/soc/intel/tigerlake/include/soc/nvs.h b/src/soc/intel/tigerlake/include/soc/nvs.h new file mode 100644 index 0000000000..c855df0305 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/nvs.h @@ -0,0 +1,21 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_NVS_H_ +#define _SOC_NVS_H_ + +#include <intelblocks/nvs.h> + +#endif diff --git a/src/soc/intel/tigerlake/include/soc/pmc.h b/src/soc/intel/tigerlake/include/soc/pmc.h new file mode 100644 index 0000000000..bae04ab352 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/pmc.h @@ -0,0 +1,151 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_TIGERLAKE_PMC_H_ +#define _SOC_TIGERLAKE_PMC_H_ + +/* PCI Configuration Space (D31:F2): PMC */ +#define PWRMBASE 0x10 +#define ABASE 0x20 + +/* Memory mapped IO registers in PMC */ +#define GEN_PMCON_A 0x1020 +#define DC_PP_DIS (1 << 30) +#define DSX_PP_DIS (1 << 29) +#define AG3_PP_EN (1 << 28) +#define SX_PP_EN (1 << 27) +#define ALLOW_ICLK_PLL_SD_INC0 (1 << 26) +#define GBL_RST_STS (1 << 24) +#define DISB (1 << 23) +#define ALLOW_OPI_PLL_SD_INC0 (1 << 22) +#define MEM_SR (1 << 21) +#define ALLOW_SPXB_CG_INC0 (1 << 20) +#define ALLOW_L1LOW_C0 (1 << 19) +#define MS4V (1 << 18) +#define ALLOW_L1LOW_OPI_ON (1 << 17) +#define SUS_PWR_FLR (1 << 16) +#define PME_B0_S5_DIS (1 << 15) +#define PWR_FLR (1 << 14) +#define ALLOW_L1LOW_BCLKREQ_ON (1 << 13) +#define DIS_SLP_X_STRCH_SUS_UP (1 << 12) +#define SLP_S3_MIN_ASST_WDTH_MASK (3 << 10) +#define SLP_S3_MIN_ASST_WDTH_60USEC (0 << 10) +#define SLP_S3_MIN_ASST_WDTH_1MS (1 << 10) +#define SLP_S3_MIN_ASST_WDTH_50MS (2 << 10) +#define SLP_S3_MIN_ASST_WDTH_2S (3 << 10) +#define HOST_RST_STS (1 << 9) +#define ESPI_SMI_LOCK (1 << 8) +#define S4MAW_MASK (3 << 4) +#define S4MAW_1S (1 << 4) +#define S4MAW_2S (2 << 4) +#define S4MAW_3S (3 << 4) +#define S4MAW_4S (0 << 4) +#define S4ASE (1 << 3) +#define PER_SMI_SEL_MASK (3 << 1) +#define SMI_RATE_64S (0 << 1) +#define SMI_RATE_32S (1 << 1) +#define SMI_RATE_16S (2 << 1) +#define SMI_RATE_8S (3 << 1) +#define SLEEP_AFTER_POWER_FAIL (1 << 0) + +#define GEN_PMCON_B 0x1024 +#define SLP_STR_POL_LOCK (1 << 18) +#define ACPI_BASE_LOCK (1 << 17) +#define PM_DATA_BAR_DIS (1 << 16) +#define WOL_EN_OVRD (1 << 13) +#define BIOS_PCI_EXP_EN (1 << 10) +#define PWRBTN_LVL (1 << 9) +#define SMI_LOCK (1 << 4) +#define RTC_BATTERY_DEAD (1 << 2) + +#define ETR 0x1048 +#define CF9_LOCK (1 << 31) +#define CF9_GLB_RST (1 << 20) + +#define SSML 0x104C +#define SSML_SSL_DS (0 << 0) +#define SSML_SSL_EN (1 << 0) + +#define SSMC 0x1050 +#define SSMC_SSMS (1 << 0) + +#define SSMD 0x1054 +#define SSMD_SSD_MASK (0xffff << 0) + +#define PRSTS 0x1810 + +#define S3_PWRGATE_POL 0x1828 +#define S3DC_GATE_SUS (1 << 1) +#define S3AC_GATE_SUS (1 << 0) + +#define S4_PWRGATE_POL 0x182c +#define S4DC_GATE_SUS (1 << 1) +#define S4AC_GATE_SUS (1 << 0) + +#define S5_PWRGATE_POL 0x1830 +#define S5DC_GATE_SUS (1 << 15) +#define S5AC_GATE_SUS (1 << 14) + +#define DSX_CFG 0x1834 +#define REQ_CNV_NOWAKE_DSX (1 << 4) +#define REQ_BATLOW_DSX (1 << 3) +#define DSX_EN_WAKE_PIN (1 << 2) +#define DSX_DIS_AC_PRESENT_PD (1 << 1) +#define DSX_EN_LAN_WAKE_PIN (1 << 0) +#define DSX_CFG_MASK (0x1f << 0) + +#define PMSYNC_TPR_CFG 0x18C4 +#define PCH2CPU_TPR_CFG_LOCK (1 << 31) +#define PCH2CPU_TT_EN (1 << 26) + +#define PCH_PWRM_ACPI_TMR_CTL 0x18FC +#define GPIO_GPE_CFG 0x1920 +#define GPE0_DWX_MASK 0xf +#define GPE0_DW_SHIFT(x) (4*(x)) + +#define PMC_GPP_G 0x0 +#define PMC_GPP_B 0x1 +#define PMC_GPP_A 0x2 +#define PMC_GPP_R 0x3 +#define PMC_GPP_S 0x4 +#define PMC_GPD 0x5 +#define PMC_GPP_H 0x6 +#define PMC_GPP_D 0x7 +#define PMC_GPP_F 0x8 +#define PMC_GPP_C 0xA +#define PMC_GPP_E 0xB + +#define GBLRST_CAUSE0 0x1924 +#define GBLRST_CAUSE0_THERMTRIP (1 << 5) +#define GBLRST_CAUSE1 0x1928 + +#define CPPMVRIC 0x1B1C +#define XTALSDQDIS (1 << 22) + +#define IRQ_REG ACTL +#define SCI_IRQ_ADJUST 0 +#define ACTL 0x1BD8 +#define PWRM_EN (1 << 8) +#define ACPI_EN (1 << 7) +#define SCI_IRQ_SEL (7 << 0) + +#define SCIS_IRQ9 0 +#define SCIS_IRQ10 1 +#define SCIS_IRQ11 2 +#define SCIS_IRQ20 4 +#define SCIS_IRQ21 5 +#define SCIS_IRQ22 6 +#define SCIS_IRQ23 7 +#endif diff --git a/src/soc/intel/tigerlake/include/soc/ramstage.h b/src/soc/intel/tigerlake/include/soc/ramstage.h new file mode 100644 index 0000000000..606e2ffb8d --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/ramstage.h @@ -0,0 +1,27 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + +#ifndef _SOC_RAMSTAGE_H_ +#define _SOC_RAMSTAGE_H_ + +#include <device/device.h> +#include <fsp/api.h> +#include <fsp/util.h> +#include <soc/soc_chip.h> + +void mainboard_silicon_init_params(FSP_S_CONFIG *params); +void soc_init_pre_device(void *chip_info); + +#endif diff --git a/src/soc/intel/tigerlake/include/soc/serialio.h b/src/soc/intel/tigerlake/include/soc/serialio.h new file mode 100644 index 0000000000..cdf55157ff --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/serialio.h @@ -0,0 +1,48 @@ +/* + * 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. + */ + +#ifndef _SERIALIO_H_ +#define _SERIALIO_H_ + +enum { + PchSerialIoDisabled, + PchSerialIoPci, + PchSerialIoHidden, + PchSerialIoLegacyUart, + PchSerialIoSkipInit +}; + +enum { + PchSerialIoIndexI2C0, + PchSerialIoIndexI2C1, + PchSerialIoIndexI2C2, + PchSerialIoIndexI2C3, + PchSerialIoIndexI2C4, + PchSerialIoIndexI2C5 +}; + +enum { + PchSerialIoIndexGSPI0, + PchSerialIoIndexGSPI1, + PchSerialIoIndexGSPI2 +}; + +enum { + PchSerialIoIndexUART0, + PchSerialIoIndexUART1, + PchSerialIoIndexUART2 +}; + +#endif diff --git a/src/soc/intel/tigerlake/include/soc/smm.h b/src/soc/intel/tigerlake/include/soc/smm.h new file mode 100644 index 0000000000..43931679bf --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/smm.h @@ -0,0 +1,38 @@ +/* + * 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. + */ + +#ifndef _SOC_SMM_H_ +#define _SOC_SMM_H_ + +#include <stdint.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/smm.h> +#include <soc/gpio.h> + + +struct smm_relocation_params { + uintptr_t ied_base; + size_t ied_size; + msr_t smrr_base; + msr_t smrr_mask; + /* + * The smm_save_state_in_msrs field indicates if SMM save state + * locations live in MSRs. This indicates to the CPUs how to adjust + * the SMMBASE and IEDBASE + */ + int smm_save_state_in_msrs; +}; + +#endif diff --git a/src/soc/intel/tigerlake/include/soc/usb.h b/src/soc/intel/tigerlake/include/soc/usb.h new file mode 100644 index 0000000000..d2e50ef1e8 --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/usb.h @@ -0,0 +1,152 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Intel Corporation. + * + * 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. + */ + + +#ifndef _SOC_USB_H_ +#define _SOC_USB_H_ + +#include <stdint.h> + +/* Per Port HS Transmitter Emphasis */ +#define USB2_EMP_OFF 0 +#define USB2_DE_EMP_ON 1 +#define USB2_PRE_EMP_ON 2 +#define USB2_DE_EMP_ON_PRE_EMP_ON 3 + +/* Per Port Half Bit Pre-emphasis */ +#define USB2_FULL_BIT_PRE_EMP 0 +#define USB2_HALF_BIT_PRE_EMP 1 + +/* Per Port HS Preemphasis Bias */ +#define USB2_BIAS_0MV 0 +#define USB2_BIAS_11P25MV 1 +#define USB2_BIAS_16P9MV 2 +#define USB2_BIAS_28P15MV 3 +#define USB2_BIAS_39P35MV 5 +#define USB2_BIAS_45MV 6 +#define USB2_BIAS_56P3MV 7 + +struct usb2_port_config { + uint8_t enable; + uint8_t ocpin; + uint8_t tx_bias; + uint8_t tx_emp_enable; + uint8_t pre_emp_bias; + uint8_t pre_emp_bit; +}; + +/* USB Overcurrent pins definition */ +enum { + OC0 = 0, + OC1, + OC2, + OC3, + OC4, + OC5, + OC6, + OC7, + OCMAX, + OC_SKIP = 0xff, /* Skip OC programming */ +}; + +/* Standard USB Port based on length: + * - External + * - Back Panel + * - OTG + * - M.2 + * - Internal device down */ + +#define USB2_PORT_EMPTY { \ + .enable = 0, \ + .ocpin = OC_SKIP, \ + .tx_bias = USB2_BIAS_0MV, \ + .tx_emp_enable = USB2_EMP_OFF, \ + .pre_emp_bias = USB2_BIAS_0MV, \ + .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \ +} + +/* Length = 11.5"-12" */ +#define USB2_PORT_LONG(pin) { \ + .enable = 1, \ + .ocpin = (pin), \ + .tx_bias = USB2_BIAS_39P35MV, \ + .tx_emp_enable = USB2_PRE_EMP_ON, \ + .pre_emp_bias = USB2_BIAS_56P3MV, \ + .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \ +} + +/* Length = 6"-11.49" */ +#define USB2_PORT_MID(pin) { \ + .enable = 1, \ + .ocpin = (pin), \ + .tx_bias = USB2_BIAS_0MV, \ + .tx_emp_enable = USB2_PRE_EMP_ON, \ + .pre_emp_bias = USB2_BIAS_56P3MV, \ + .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \ +} + +/* Length = 3"-5.99" */ +#define USB2_PORT_SHORT(pin) { \ + .enable = 1, \ + .ocpin = (pin), \ + .tx_bias = USB2_BIAS_39P35MV, \ + .tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \ + .pre_emp_bias = USB2_BIAS_39P35MV, \ + .pre_emp_bit = USB2_FULL_BIT_PRE_EMP, \ +} + +/* Max TX and Pre-emp settings */ +#define USB2_PORT_MAX(pin) { \ + .enable = 1, \ + .ocpin = (pin), \ + .tx_bias = USB2_BIAS_56P3MV, \ + .tx_emp_enable = USB2_PRE_EMP_ON, \ + .pre_emp_bias = USB2_BIAS_56P3MV, \ + .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \ +} + +/* Type-C Port, no BC1.2 charge detect module / MUX + * Length = 3.0" - 9.00" */ +#define USB2_PORT_TYPE_C(pin) { \ + .enable = 1, \ + .ocpin = (pin), \ + .tx_bias = USB2_BIAS_0MV, \ + .tx_emp_enable = USB2_PRE_EMP_ON, \ + .pre_emp_bias = USB2_BIAS_56P3MV, \ + .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, \ +} + +struct usb3_port_config { + uint8_t enable; + uint8_t ocpin; + uint8_t tx_de_emp; + uint8_t tx_downscale_amp; +}; + +#define USB3_PORT_EMPTY { \ + .enable = 0, \ + .ocpin = OC_SKIP, \ + .tx_de_emp = 0x00, \ + .tx_downscale_amp = 0x00, \ +} + +#define USB3_PORT_DEFAULT(pin) { \ + .enable = 1, \ + .ocpin = (pin), \ + .tx_de_emp = 0x0, \ + .tx_downscale_amp = 0x00, \ +} + +#endif diff --git a/src/soc/intel/tigerlake/lockdown.c b/src/soc/intel/tigerlake/lockdown.c new file mode 100644 index 0000000000..08ae4ef455 --- /dev/null +++ b/src/soc/intel/tigerlake/lockdown.c @@ -0,0 +1,78 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Intel Corporation. + * + * 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 4 + */ + +#include <device/mmio.h> +#include <intelblocks/cfg.h> +#include <intelpch/lockdown.h> +#include <soc/pm.h> + +static void pmc_lock_pmsync(void) +{ + uint8_t *pmcbase; + uint32_t pmsyncreg; + + pmcbase = pmc_mmio_regs(); + + pmsyncreg = read32(pmcbase + PMSYNC_TPR_CFG); + pmsyncreg |= PCH2CPU_TPR_CFG_LOCK; + write32(pmcbase + PMSYNC_TPR_CFG, pmsyncreg); +} + +static void pmc_lock_abase(void) +{ + uint8_t *pmcbase; + uint32_t reg32; + + pmcbase = pmc_mmio_regs(); + + reg32 = read32(pmcbase + GEN_PMCON_B); + reg32 |= (SLP_STR_POL_LOCK | ACPI_BASE_LOCK); + write32(pmcbase + GEN_PMCON_B, reg32); +} + +static void pmc_lock_smi(void) +{ + uint8_t *pmcbase; + uint8_t reg8; + + pmcbase = pmc_mmio_regs(); + + reg8 = read8(pmcbase + GEN_PMCON_B); + reg8 |= SMI_LOCK; + write8(pmcbase + GEN_PMCON_B, reg8); +} + +static void pmc_lockdown_cfg(int chipset_lockdown) +{ + /* PMSYNC */ + pmc_lock_pmsync(); + /* Lock down ABASE and sleep stretching policy */ + pmc_lock_abase(); + + if (chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT) + pmc_lock_smi(); +} + +void soc_lockdown_config(int chipset_lockdown) +{ + /* PMC lock down configuration */ + pmc_lockdown_cfg(chipset_lockdown); +} diff --git a/src/soc/intel/tigerlake/p2sb.c b/src/soc/intel/tigerlake/p2sb.c new file mode 100644 index 0000000000..f5a3e70fce --- /dev/null +++ b/src/soc/intel/tigerlake/p2sb.c @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Intel Corporation. + * + * 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 3 + */ + +#include <console/console.h> +#include <intelblocks/p2sb.h> + +void p2sb_soc_get_sb_mask(uint32_t *ep_mask, size_t count) +{ + uint32_t mask; + + if (count != P2SB_EP_MASK_MAX_REG) { + printk(BIOS_ERR, "Unable to program EPMASK registers\n"); + return; + } + + /* Remove the host accessing right to PSF register range. + * Set p2sb PCI offset EPMASK5 [29, 28, 27, 26] to disable Sideband + * access for PCI Root Bridge. + */ + mask = (1 << 29) | (1 << 28) | (1 << 27) | (1 << 26); + + ep_mask[P2SB_EP_MASK_5_REG] = mask; + + /* + * Set p2sb PCI offset EPMASK7 [31, 30] to disable Sideband + * access for Broadcast and Multicast. + */ + mask = (1 << 31) | (1 << 30); + + ep_mask[P2SB_EP_MASK_7_REG] = mask; +} diff --git a/src/soc/intel/tigerlake/pmc.c b/src/soc/intel/tigerlake/pmc.c new file mode 100644 index 0000000000..65284ec57c --- /dev/null +++ b/src/soc/intel/tigerlake/pmc.c @@ -0,0 +1,114 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 4 + */ + +#include <bootstate.h> +#include <console/console.h> +#include <device/mmio.h> +#include <device/device.h> +#include <intelblocks/pmc.h> +#include <intelblocks/pmclib.h> +#include <intelblocks/rtc.h> +#include <soc/pci_devs.h> +#include <soc/pm.h> +#include <soc/soc_chip.h> + +/* + * Set which power state system will be after reapplying + * the power (from G3 State) + */ +void pmc_soc_set_afterg3_en(const bool on) +{ + uint8_t reg8; + uint8_t *const pmcbase = pmc_mmio_regs(); + + reg8 = read8(pmcbase + GEN_PMCON_A); + if (on) + reg8 &= ~SLEEP_AFTER_POWER_FAIL; + else + reg8 |= SLEEP_AFTER_POWER_FAIL; + write8(pmcbase + GEN_PMCON_A, reg8); +} + +static void config_deep_sX(uint32_t offset, uint32_t mask, int sx, int enable) +{ + uint32_t reg; + uint8_t *pmcbase = pmc_mmio_regs(); + + printk(BIOS_DEBUG, "%sabling Deep S%c\n", + enable ? "En" : "Dis", sx + '0'); + reg = read32(pmcbase + offset); + if (enable) + reg |= mask; + else + reg &= ~mask; + write32(pmcbase + offset, reg); +} + +static void config_deep_s5(int on_ac, int on_dc) +{ + /* Treat S4 the same as S5. */ + config_deep_sX(S4_PWRGATE_POL, S4AC_GATE_SUS, 4, on_ac); + config_deep_sX(S4_PWRGATE_POL, S4DC_GATE_SUS, 4, on_dc); + config_deep_sX(S5_PWRGATE_POL, S5AC_GATE_SUS, 5, on_ac); + config_deep_sX(S5_PWRGATE_POL, S5DC_GATE_SUS, 5, on_dc); +} + +static void config_deep_s3(int on_ac, int on_dc) +{ + config_deep_sX(S3_PWRGATE_POL, S3AC_GATE_SUS, 3, on_ac); + config_deep_sX(S3_PWRGATE_POL, S3DC_GATE_SUS, 3, on_dc); +} + +static void config_deep_sx(uint32_t deepsx_config) +{ + uint32_t reg; + uint8_t *pmcbase = pmc_mmio_regs(); + + reg = read32(pmcbase + DSX_CFG); + reg &= ~DSX_CFG_MASK; + reg |= deepsx_config; + write32(pmcbase + DSX_CFG, reg); +} + +static void pmc_init(void *unused) +{ + const config_t *config = config_of_soc(); + + rtc_init(); + + pmc_set_power_failure_state(true); + pmc_gpe_init(); + + pmc_set_acpi_mode(); + + config_deep_s3(config->deep_s3_enable_ac, config->deep_s3_enable_dc); + config_deep_s5(config->deep_s5_enable_ac, config->deep_s5_enable_dc); + config_deep_sx(config->deep_sx_config); +} + +/* +* Initialize PMC controller. +* +* PMC controller gets hidden from PCI bus during FSP-Silicon init call. +* Hence PCI enumeration can't be used to initialize bus device and +* allocate resources. +*/ +BOOT_STATE_INIT_ENTRY(BS_DEV_INIT_CHIPS, BS_ON_EXIT, pmc_init, NULL); diff --git a/src/soc/intel/tigerlake/pmutil.c b/src/soc/intel/tigerlake/pmutil.c new file mode 100644 index 0000000000..53f86097ee --- /dev/null +++ b/src/soc/intel/tigerlake/pmutil.c @@ -0,0 +1,276 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Intel Corporation. + * + * 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. + */ + +/* + * Helper functions for dealing with power management registers + * and the differences between PCH variants. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 4 + */ + + +#define __SIMPLE_DEVICE__ + +#include <device/mmio.h> +#include <cbmem.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_def.h> +#include <console/console.h> +#include <intelblocks/pmclib.h> +#include <intelblocks/rtc.h> +#include <intelblocks/tco.h> +#include <stdlib.h> +#include <soc/espi.h> +#include <soc/gpe.h> +#include <soc/gpio.h> +#include <soc/iomap.h> +#include <soc/pci_devs.h> +#include <soc/pm.h> +#include <soc/smbus.h> +#include <soc/soc_chip.h> +#include <security/vboot/vbnv.h> + +/* + * SMI + */ + +const char *const *soc_smi_sts_array(size_t *a) +{ + static const char *const smi_sts_bits[] = { + [BIOS_STS_BIT] = "BIOS", + [LEGACY_USB_STS_BIT] = "LEGACY_USB", + [SMI_ON_SLP_EN_STS_BIT] = "SLP_SMI", + [APM_STS_BIT] = "APM", + [SWSMI_TMR_STS_BIT] = "SWSMI_TMR", + [PM1_STS_BIT] = "PM1", + [GPE0_STS_BIT] = "GPE0", + [GPIO_STS_BIT] = "GPI", + [MCSMI_STS_BIT] = "MCSMI", + [DEVMON_STS_BIT] = "DEVMON", + [TCO_STS_BIT] = "TCO", + [PERIODIC_STS_BIT] = "PERIODIC", + [SERIRQ_SMI_STS_BIT] = "SERIRQ_SMI", + [SMBUS_SMI_STS_BIT] = "SMBUS_SMI", + [PCI_EXP_SMI_STS_BIT] = "PCI_EXP_SMI", + [MONITOR_STS_BIT] = "MONITOR", + [SPI_SMI_STS_BIT] = "SPI", + [GPIO_UNLOCK_SMI_STS_BIT] = "GPIO_UNLOCK", + [ESPI_SMI_STS_BIT] = "ESPI_SMI", + }; + + *a = ARRAY_SIZE(smi_sts_bits); + return smi_sts_bits; +} + +/* + * TCO + */ + +const char *const *soc_tco_sts_array(size_t *a) +{ + static const char *const tco_sts_bits[] = { + [0] = "NMI2SMI", + [1] = "SW_TCO", + [2] = "TCO_INT", + [3] = "TIMEOUT", + [7] = "NEWCENTURY", + [8] = "BIOSWR", + [9] = "DMISCI", + [10] = "DMISMI", + [12] = "DMISERR", + [13] = "SLVSEL", + [16] = "INTRD_DET", + [17] = "SECOND_TO", + [18] = "BOOT", + [20] = "SMLINK_SLV" + }; + + *a = ARRAY_SIZE(tco_sts_bits); + return tco_sts_bits; +} + +/* + * GPE0 + */ + +const char *const *soc_std_gpe_sts_array(size_t *a) +{ + static const char *const gpe_sts_bits[] = { + [1] = "HOTPLUG", + [2] = "SWGPE", + [6] = "TCO_SCI", + [7] = "SMB_WAK", + [9] = "PCI_EXP", + [10] = "BATLOW", + [11] = "PME", + [12] = "ME", + [13] = "PME_B0", + [14] = "eSPI", + [15] = "GPIO Tier-2", + [16] = "LAN_WAKE", + [18] = "WADT" + }; + + *a = ARRAY_SIZE(gpe_sts_bits); + return gpe_sts_bits; +} + +void pmc_set_disb(void) +{ + /* Set the DISB after DRAM init */ + uint8_t disb_val; + /* Only care about bits [23:16] of register GEN_PMCON_A */ + uint8_t *addr = (uint8_t *)(pmc_mmio_regs() + GEN_PMCON_A + 2); + + disb_val = read8(addr); + disb_val |= (DISB >> 16); + + /* Don't clear bits that are write-1-to-clear */ + disb_val &= ~((MS4V | SUS_PWR_FLR) >> 16); + write8(addr, disb_val); +} + +void pmc_clear_pmcon_sts(void) +{ + uint32_t reg_val; + uint8_t *addr; + addr = pmc_mmio_regs(); + + reg_val = read32(addr + GEN_PMCON_A); + /* Clear SUS_PWR_FLR, GBL_RST_STS, HOST_RST_STS, PWR_FLR bits + * while retaining MS4V write-1-to-clear bit */ + reg_val &= ~(MS4V); + + write32((addr + GEN_PMCON_A), reg_val); +} + +/* + * PMC controller gets hidden from PCI bus + * during FSP-Silicon init call. Hence PWRMBASE + * can't be accessible using PCI configuration space + * read/write. + */ +uint8_t *pmc_mmio_regs(void) +{ + return (void *)(uintptr_t)PCH_PWRM_BASE_ADDRESS; +} + +uintptr_t soc_read_pmc_base(void) +{ + return (uintptr_t)pmc_mmio_regs(); +} + +void soc_get_gpi_gpe_configs(uint8_t *dw0, uint8_t *dw1, uint8_t *dw2) +{ + DEVTREE_CONST struct soc_intel_tigerlake_config *config; + + config = config_of_soc(); + + /* Assign to out variable */ + *dw0 = config->gpe0_dw0; + *dw1 = config->gpe0_dw1; + *dw2 = config->gpe0_dw2; +} + +static int rtc_failed(uint32_t gen_pmcon_b) +{ + return !!(gen_pmcon_b & RTC_BATTERY_DEAD); +} + +int soc_get_rtc_failed(void) +{ + const struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE); + + if (!ps) { + printk(BIOS_ERR, "Could not find power state in cbmem, RTC init aborted\n"); + return 1; + } + + return rtc_failed(ps->gen_pmcon_b); +} + +int vbnv_cmos_failed(void) +{ + return rtc_failed(read32(pmc_mmio_regs() + GEN_PMCON_B)); +} + +static inline int deep_s3_enabled(void) +{ + uint32_t deep_s3_pol; + + deep_s3_pol = read32(pmc_mmio_regs() + S3_PWRGATE_POL); + return !!(deep_s3_pol & (S3DC_GATE_SUS | S3AC_GATE_SUS)); +} + +/* Return 0, 3, or 5 to indicate the previous sleep state. */ +int soc_prev_sleep_state(const struct chipset_power_state *ps, + int prev_sleep_state) +{ + + /* + * Check for any power failure to determine if this a wake from + * S5 because the PCH does not set the WAK_STS bit when waking + * from a true G3 state. + */ + if (ps->gen_pmcon_a & (PWR_FLR | SUS_PWR_FLR)) + prev_sleep_state = ACPI_S5; + + /* + * If waking from S3 determine if deep S3 is enabled. If not, + * need to check both deep sleep well and normal suspend well. + * Otherwise just check deep sleep well. + */ + if (prev_sleep_state == ACPI_S3) { + /* PWR_FLR represents deep sleep power well loss. */ + uint32_t mask = PWR_FLR; + + /* If deep s3 isn't enabled check the suspend well too. */ + if (!deep_s3_enabled()) + mask |= SUS_PWR_FLR; + + if (ps->gen_pmcon_a & mask) + prev_sleep_state = ACPI_S5; + } + + return prev_sleep_state; +} + +void soc_fill_power_state(struct chipset_power_state *ps) +{ + uint8_t *pmc; + + ps->tco1_sts = tco_read_reg(TCO1_STS); + ps->tco2_sts = tco_read_reg(TCO2_STS); + + printk(BIOS_DEBUG, "TCO_STS: %04x %04x\n", + ps->tco1_sts, ps->tco2_sts); + + pmc = pmc_mmio_regs(); + ps->gen_pmcon_a = read32(pmc + GEN_PMCON_A); + ps->gen_pmcon_b = read32(pmc + GEN_PMCON_B); + ps->gblrst_cause[0] = read32(pmc + GBLRST_CAUSE0); + ps->gblrst_cause[1] = read32(pmc + GBLRST_CAUSE1); + + printk(BIOS_DEBUG, "GEN_PMCON: %08x %08x\n", + ps->gen_pmcon_a, ps->gen_pmcon_b); + + printk(BIOS_DEBUG, "GBLRST_CAUSE: %08x %08x\n", + ps->gblrst_cause[0], ps->gblrst_cause[1]); +} diff --git a/src/soc/intel/tigerlake/reset.c b/src/soc/intel/tigerlake/reset.c new file mode 100644 index 0000000000..674cf68dcc --- /dev/null +++ b/src/soc/intel/tigerlake/reset.c @@ -0,0 +1,47 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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 <cf9_reset.h> +#include <console/console.h> +#include <intelblocks/cse.h> +#include <intelblocks/pmclib.h> +#include <fsp/util.h> +#include <soc/intel/common/reset.h> +#include <soc/pci_devs.h> + +void do_global_reset(void) +{ + /* Ask CSE to do the global reset */ + if (!send_heci_reset_req_message(GLOBAL_RESET)) + return; + + /* global reset if CSE fail to reset */ + pmc_global_reset_enable(1); + do_full_reset(); +} + +void chipset_handle_reset(uint32_t status) +{ + switch (status) { + case FSP_STATUS_RESET_REQUIRED_3: /* Global Reset */ + printk(BIOS_DEBUG, "GLOBAL RESET!!\n"); + global_reset(); + break; + default: + printk(BIOS_ERR, "unhandled reset type %x\n", status); + die("unknown reset type"); + break; + } +} diff --git a/src/soc/intel/tigerlake/sd.c b/src/soc/intel/tigerlake/sd.c new file mode 100644 index 0000000000..bc9dd9b26f --- /dev/null +++ b/src/soc/intel/tigerlake/sd.c @@ -0,0 +1,43 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 26 + */ + +#include <intelblocks/sd.h> +#include <soc/soc_chip.h> + +int sd_fill_soc_gpio_info(struct acpi_gpio *gpio, struct device *dev) +{ + config_t *config = config_of(dev); + + if (!config->sdcard_cd_gpio) + return -1; + + gpio->type = ACPI_GPIO_TYPE_INTERRUPT; + gpio->pull = ACPI_GPIO_PULL_NONE; + gpio->irq.mode = ACPI_IRQ_EDGE_TRIGGERED; + gpio->irq.polarity = ACPI_IRQ_ACTIVE_BOTH; + gpio->irq.shared = ACPI_IRQ_SHARED; + gpio->irq.wake = ACPI_IRQ_WAKE; + gpio->interrupt_debounce_timeout = 10000; /* 100ms */ + gpio->pin_count = 1; + gpio->pins[0] = config->sdcard_cd_gpio; + + return 0; +} diff --git a/src/soc/intel/tigerlake/smihandler.c b/src/soc/intel/tigerlake/smihandler.c new file mode 100644 index 0000000000..bf07beadb6 --- /dev/null +++ b/src/soc/intel/tigerlake/smihandler.c @@ -0,0 +1,126 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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 <console/console.h> +#include <device/pci_def.h> +#include <intelblocks/fast_spi.h> +#include <intelblocks/p2sb.h> +#include <intelblocks/pcr.h> +#include <intelblocks/smihandler.h> +#include <soc/p2sb.h> +#include <soc/pci_devs.h> +#include <soc/pcr_ids.h> +#include <soc/pm.h> +#include <soc/soc_chip.h> + +#define CSME0_FBE 0xf +#define CSME0_BAR 0x0 +#define CSME0_FID 0xb0 + +const struct smm_save_state_ops *get_smm_save_state_ops(void) +{ + return &em64t101_smm_ops; +} + +static void pch_disable_heci(void) +{ + struct pcr_sbi_msg msg = { + .pid = PID_CSME0, + .offset = 0, + .opcode = PCR_WRITE, + .is_posted = false, + .fast_byte_enable = CSME0_FBE, + .bar = CSME0_BAR, + .fid = CSME0_FID + }; + /* Bit 0: Set to make HECI#1 Function disable */ + uint32_t data32 = 1; + uint8_t response; + int status; + + /* unhide p2sb device */ + p2sb_unhide(); + + /* Send SBI command to make HECI#1 function disable */ + status = pcr_execute_sideband_msg(&msg, &data32, &response); + if (status && response) + printk(BIOS_ERR, "Fail to make CSME function disable\n"); + + /* Ensure to Lock SBI interface after this command */ + p2sb_disable_sideband_access(); + + /* hide p2sb device */ + p2sb_hide(); +} + +/* + * Specific SOC SMI handler during ramstage finalize phase + * + * BIOS can't make CSME function disable as is due to POSTBOOT_SAI + * restriction in place from TGP chipset. Hence create SMI Handler to + * perform CSME function disabling logic during SMM mode. + */ +void smihandler_soc_at_finalize(void) +{ + const struct soc_intel_tigerlake_config *config; + + config = config_of_soc(); + + if (!config->HeciEnabled && CONFIG(HECI_DISABLE_USING_SMM)) + pch_disable_heci(); +} + +void smihandler_soc_check_illegal_access(uint32_t tco_sts) +{ + if (!((tco_sts & (1 << 8)) && CONFIG(SPI_FLASH_SMM) + && fast_spi_wpd_status())) + return; + + /* + * BWE is RW, so the SMI was caused by a + * write to BWE, not by a write to the BIOS + * + * This is the place where we notice someone + * is trying to tinker with the BIOS. We are + * trying to be nice and just ignore it. A more + * resolute answer would be to power down the + * box. + */ + printk(BIOS_DEBUG, "Switching back to RO\n"); + fast_spi_enable_wp(); +} + +/* SMI handlers that should be serviced in SCI mode too. */ +uint32_t smihandler_soc_get_sci_mask(void) +{ + uint32_t sci_mask = + SMI_HANDLER_SCI_EN(APM_STS_BIT) | + SMI_HANDLER_SCI_EN(SMI_ON_SLP_EN_STS_BIT); + + return sci_mask; +} + +const smi_handler_t southbridge_smi[SMI_STS_BITS] = { + [SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep, + [APM_STS_BIT] = smihandler_southbridge_apmc, + [PM1_STS_BIT] = smihandler_southbridge_pm1, + [GPE0_STS_BIT] = smihandler_southbridge_gpe0, + [GPIO_STS_BIT] = smihandler_southbridge_gpi, + [ESPI_SMI_STS_BIT] = smihandler_southbridge_espi, + [MCSMI_STS_BIT] = smihandler_southbridge_mc, + [TCO_STS_BIT] = smihandler_southbridge_tco, + [PERIODIC_STS_BIT] = smihandler_southbridge_periodic, + [MONITOR_STS_BIT] = smihandler_southbridge_monitor, +}; diff --git a/src/soc/intel/tigerlake/smmrelocate.c b/src/soc/intel/tigerlake/smmrelocate.c new file mode 100644 index 0000000000..b3f98362e5 --- /dev/null +++ b/src/soc/intel/tigerlake/smmrelocate.c @@ -0,0 +1,273 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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 <types.h> +#include <string.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <cpu/x86/cache.h> +#include <cpu/x86/lapic.h> +#include <cpu/x86/mp.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/mtrr.h> +#include <cpu/x86/smm.h> +#include <cpu/intel/em64t101_save_state.h> +#include <cpu/intel/smm_reloc.h> +#include <console/console.h> +#include <soc/cpu.h> +#include <soc/msr.h> +#include <soc/pci_devs.h> +#include <soc/smm.h> +#include <soc/soc_chip.h> +#include <soc/systemagent.h> + +/* This gets filled in and used during relocation. */ +static struct smm_relocation_params smm_reloc_params; + +static inline void write_smrr(struct smm_relocation_params *relo_params) +{ + printk(BIOS_DEBUG, "Writing SMRR. base = 0x%08x, mask=0x%08x\n", + relo_params->smrr_base.lo, relo_params->smrr_mask.lo); + wrmsr(IA32_SMRR_PHYS_BASE, relo_params->smrr_base); + wrmsr(IA32_SMRR_PHYS_MASK, relo_params->smrr_mask); +} + +static void update_save_state(int cpu, uintptr_t curr_smbase, + uintptr_t staggered_smbase, + struct smm_relocation_params *relo_params) +{ + u32 smbase; + u32 iedbase; + + /* + * The relocated handler runs with all CPUs concurrently. Therefore + * stagger the entry points adjusting SMBASE downwards by save state + * size * CPU num. + */ + smbase = staggered_smbase; + iedbase = relo_params->ied_base; + + printk(BIOS_DEBUG, "New SMBASE=0x%08x IEDBASE=0x%08x\n", + smbase, iedbase); + + /* + * All threads need to set IEDBASE and SMBASE to the relocated + * handler region. However, the save state location depends on the + * smm_save_state_in_msrs field in the relocation parameters. If + * smm_save_state_in_msrs is non-zero then the CPUs are relocating + * the SMM handler in parallel, and each CPUs save state area is + * located in their respective MSR space. If smm_save_state_in_msrs + * is zero then the SMM relocation is happening serially so the + * save state is at the same default location for all CPUs. + */ + if (relo_params->smm_save_state_in_msrs) { + msr_t smbase_msr; + msr_t iedbase_msr; + + smbase_msr.lo = smbase; + smbase_msr.hi = 0; + + /* + * According the BWG the IEDBASE MSR is in bits 63:32. It's + * not clear why it differs from the SMBASE MSR. + */ + iedbase_msr.lo = 0; + iedbase_msr.hi = iedbase; + + wrmsr(SMBASE_MSR, smbase_msr); + wrmsr(IEDBASE_MSR, iedbase_msr); + } else { + em64t101_smm_state_save_area_t *save_state; + + save_state = (void *)(curr_smbase + SMM_DEFAULT_SIZE - + sizeof(*save_state)); + + save_state->smbase = smbase; + save_state->iedbase = iedbase; + } +} + +/* Returns 1 if SMM MSR save state was set. */ +static int bsp_setup_msr_save_state(struct smm_relocation_params *relo_params) +{ + msr_t smm_mca_cap; + + smm_mca_cap = rdmsr(SMM_MCA_CAP_MSR); + if (smm_mca_cap.hi & SMM_CPU_SVRSTR_MASK) { + msr_t smm_feature_control; + + smm_feature_control = rdmsr(SMM_FEATURE_CONTROL_MSR); + smm_feature_control.hi = 0; + smm_feature_control.lo |= SMM_CPU_SAVE_EN; + wrmsr(SMM_FEATURE_CONTROL_MSR, smm_feature_control); + relo_params->smm_save_state_in_msrs = 1; + } + return relo_params->smm_save_state_in_msrs; +} + +/* + * The relocation work is actually performed in SMM context, but the code + * resides in the ramstage module. This occurs by trampolining from the default + * SMRAM entry point to here. + */ +void smm_relocation_handler(int cpu, uintptr_t curr_smbase, + uintptr_t staggered_smbase) +{ + msr_t mtrr_cap; + struct smm_relocation_params *relo_params = &smm_reloc_params; + + printk(BIOS_DEBUG, "In relocation handler: CPU %d\n", cpu); + + /* + * Determine if the processor supports saving state in MSRs. If so, + * enable it before the non-BSPs run so that SMM relocation can occur + * in parallel in the non-BSP CPUs. + */ + if (cpu == 0) { + /* + * If smm_save_state_in_msrs is 1 then that means this is the + * 2nd time through the relocation handler for the BSP. + * Parallel SMM handler relocation is taking place. However, + * it is desired to access other CPUs save state in the real + * SMM handler. Therefore, disable the SMM save state in MSRs + * feature. + */ + if (relo_params->smm_save_state_in_msrs) { + msr_t smm_feature_control; + + smm_feature_control = rdmsr(SMM_FEATURE_CONTROL_MSR); + smm_feature_control.lo &= ~SMM_CPU_SAVE_EN; + wrmsr(SMM_FEATURE_CONTROL_MSR, smm_feature_control); + } else if (bsp_setup_msr_save_state(relo_params)) + /* + * Just return from relocation handler if MSR save + * state is enabled. In that case the BSP will come + * back into the relocation handler to setup the new + * SMBASE as well disabling SMM save state in MSRs. + */ + return; + } + + /* Make appropriate changes to the save state map. */ + update_save_state(cpu, curr_smbase, staggered_smbase, relo_params); + + /* Write SMRR MSRs based on indicated support. */ + mtrr_cap = rdmsr(MTRR_CAP_MSR); + if (mtrr_cap.lo & SMRR_SUPPORTED) + write_smrr(relo_params); +} + +static void fill_in_relocation_params(struct smm_relocation_params *params) +{ + uintptr_t tseg_base; + size_t tseg_size; + /* All range registers are aligned to 4KiB */ + const u32 rmask = ~(4 * KiB - 1); + + smm_region(&tseg_base, &tseg_size); + + if (!IS_ALIGNED(tseg_base, tseg_size)) { + printk(BIOS_WARNING, + "TSEG base not aligned with TSEG SIZE! Not setting SMRR\n"); + return; + } + + smm_subregion(SMM_SUBREGION_CHIPSET, ¶ms->ied_base, ¶ms->ied_size); + + /* SMRR has 32-bits of valid address aligned to 4KiB. */ + params->smrr_base.lo = (tseg_base & rmask) | MTRR_TYPE_WRBACK; + params->smrr_base.hi = 0; + params->smrr_mask.lo = (~(tseg_size - 1) & rmask) | MTRR_PHYS_MASK_VALID; + params->smrr_mask.hi = 0; +} + +static void setup_ied_area(struct smm_relocation_params *params) +{ + char *ied_base; + + struct ied_header ied = { + .signature = "INTEL RSVD", + .size = params->ied_size, + .reserved = {0}, + }; + + ied_base = (void *)params->ied_base; + + printk(BIOS_DEBUG, "IED base = 0x%08x\n", (u32)params->ied_base); + printk(BIOS_DEBUG, "IED size = 0x%08x\n", (u32)params->ied_size); + + /* Place IED header at IEDBASE. */ + memcpy(ied_base, &ied, sizeof(ied)); + + /* Zero out 32KiB at IEDBASE + 1MiB */ + memset(ied_base + 1 * MiB, 0, 32 * KiB); +} + +void smm_info(uintptr_t *perm_smbase, size_t *perm_smsize, + size_t *smm_save_state_size) +{ + printk(BIOS_DEBUG, "Setting up SMI for CPU\n"); + + fill_in_relocation_params(&smm_reloc_params); + + smm_subregion(SMM_SUBREGION_HANDLER, perm_smbase, perm_smsize); + + if (smm_reloc_params.ied_size) + setup_ied_area(&smm_reloc_params); + + *smm_save_state_size = sizeof(em64t101_smm_state_save_area_t); +} + +void smm_initialize(void) +{ + /* Clear the SMM state in the southbridge. */ + smm_southbridge_clear_state(); + + /* + * Run the relocation handler for on the BSP to check and set up + * parallel SMM relocation. + */ + smm_initiate_relocation(); + + if (smm_reloc_params.smm_save_state_in_msrs) + printk(BIOS_DEBUG, "Doing parallel SMM relocation.\n"); +} + +void smm_relocate(void) +{ + /* + * If smm_save_state_in_msrs is non-zero then parallel SMM relocation + * shall take place. Run the relocation handler a second time on the + * BSP to do * the final move. For APs, a relocation handler always + * needs to be run. + */ + if (smm_reloc_params.smm_save_state_in_msrs) + smm_initiate_relocation_parallel(); + else if (!boot_cpu()) + smm_initiate_relocation(); +} + +void smm_lock(void) +{ + struct device *sa_dev = pcidev_path_on_root(SA_DEVFN_ROOT); + /* + * LOCK the SMM memory window and enable normal SMM. + * After running this function, only a full reset can + * make the SMM registers writable again. + */ + printk(BIOS_DEBUG, "Locking SMM.\n"); + pci_write_config8(sa_dev, SMRAM, D_LCK | G_SMRAME | C_BASE_SEG); +} diff --git a/src/soc/intel/tigerlake/spi.c b/src/soc/intel/tigerlake/spi.c new file mode 100644 index 0000000000..df4a593368 --- /dev/null +++ b/src/soc/intel/tigerlake/spi.c @@ -0,0 +1,39 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 7 + */ + +#include <intelblocks/spi.h> +#include <soc/pci_devs.h> + +int spi_soc_devfn_to_bus(unsigned int devfn) +{ + switch (devfn) { + case PCH_DEVFN_SPI: + return 0; + case PCH_DEVFN_GSPI0: + return 1; + case PCH_DEVFN_GSPI1: + return 2; + case PCH_DEVFN_GSPI2: + return 3; + } + return -1; +} diff --git a/src/soc/intel/tigerlake/systemagent.c b/src/soc/intel/tigerlake/systemagent.c new file mode 100644 index 0000000000..9c8f64573d --- /dev/null +++ b/src/soc/intel/tigerlake/systemagent.c @@ -0,0 +1,73 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor SA Datasheet + * Document number: 571131 + * Chapter number: 3 + */ + +#include <device/device.h> +#include <device/pci.h> +#include <intelblocks/systemagent.h> +#include <soc/iomap.h> +#include <soc/systemagent.h> + +/* + * SoC implementation + * + * Add all known fixed memory ranges for Host Controller/Memory + * controller. + */ +void soc_add_fixed_mmio_resources(struct device *dev, int *index) +{ + static const struct sa_mmio_descriptor soc_fixed_resources[] = { + { PCIEXBAR, CONFIG_MMCONF_BASE_ADDRESS, CONFIG_SA_PCIEX_LENGTH, + "PCIEXBAR" }, + { MCHBAR, MCH_BASE_ADDRESS, MCH_BASE_SIZE, "MCHBAR" }, + { DMIBAR, DMI_BASE_ADDRESS, DMI_BASE_SIZE, "DMIBAR" }, + { EPBAR, EP_BASE_ADDRESS, EP_BASE_SIZE, "EPBAR" }, + { REGBAR, REG_BASE_ADDRESS, REG_BASE_SIZE, "REGBAR" }, + { EDRAMBAR, EDRAM_BASE_ADDRESS, EDRAM_BASE_SIZE, "EDRAMBAR" }, + /* + * PMC pci device gets hidden from PCI bus due to Silicon + * policy hence binding PMCBAR aka PWRMBASE (offset 0x10) with + * SA resources to ensure that PMCBAR falls under PCI reserved + * memory range. + * + * Note: Don't add any more resource with same offset 0x10 + * under this device space. + */ + { PCI_BASE_ADDRESS_0, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE, + "PMCBAR" }, + }; + + sa_add_fixed_mmio_resources(dev, index, soc_fixed_resources, + ARRAY_SIZE(soc_fixed_resources)); +} + +/* + * SoC implementation + * + * Perform System Agent Initialization during Ramstage phase. + */ +void soc_systemagent_init(struct device *dev) +{ + /* Enable Power Aware Interrupt Routing */ + enable_power_aware_intr(); + + /* Enable BIOS Reset CPL */ + enable_bios_reset_cpl(); +} diff --git a/src/soc/intel/tigerlake/uart.c b/src/soc/intel/tigerlake/uart.c new file mode 100644 index 0000000000..b330e7791a --- /dev/null +++ b/src/soc/intel/tigerlake/uart.c @@ -0,0 +1,76 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Intel Corporation + * + * 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. + */ + +/* + * This file is created based on Intel Tiger Lake Processor PCH Datasheet + * Document number: 575857 + * Chapter number: 9 + */ + +#include <console/console.h> +#include <device/pci_def.h> +#include <intelblocks/gpio.h> +#include <intelblocks/lpss.h> +#include <intelblocks/pcr.h> +#include <intelblocks/uart.h> +#include <soc/iomap.h> +#include <soc/pch.h> +#include <soc/pci_devs.h> +#include <soc/pcr_ids.h> + +const struct uart_gpio_pad_config uart_gpio_pads[] = { + { + .console_index = 0, + .gpios = { + PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1), /* UART0 RX */ + PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1), /* UART0 TX */ + }, + }, + { + .console_index = 1, + .gpios = { + PAD_CFG_NF(GPP_C12, NONE, DEEP, NF1), /* UART1 RX */ + PAD_CFG_NF(GPP_C13, NONE, DEEP, NF1), /* UART1 TX */ + }, + }, + { + .console_index = 2, + .gpios = { + PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), /* UART2 RX */ + PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), /* UART2 TX */ + }, + } +}; + +const int uart_max_index = ARRAY_SIZE(uart_gpio_pads); + +DEVTREE_CONST struct device *soc_uart_console_to_device(int uart_console) +{ + /* + * if index is valid, this function will return corresponding structure + * for uart console else will return NULL. + */ + switch (uart_console) { + case 0: + return pcidev_path_on_root(PCH_DEVFN_UART0); + case 1: + return pcidev_path_on_root(PCH_DEVFN_UART1); + case 2: + return pcidev_path_on_root(PCH_DEVFN_UART2); + default: + printk(BIOS_ERR, "Invalid UART console index\n"); + return NULL; + } +} |