diff options
Diffstat (limited to 'src/soc/intel/alderlake')
35 files changed, 3191 insertions, 18 deletions
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig index 8f123504a0..1e05897ae2 100644 --- a/src/soc/intel/alderlake/Kconfig +++ b/src/soc/intel/alderlake/Kconfig @@ -8,25 +8,44 @@ if SOC_INTEL_ALDERLAKE config CPU_SPECIFIC_OPTIONS def_bool y select ACPI_INTEL_HARDWARE_SLEEP_VALUES - select ARCH_BOOTBLOCK_X86_32 - select ARCH_ROMSTAGE_X86_32 - select ARCH_VERSTAGE_X86_32 + select ARCH_ALL_STAGES_X86_32 select BOOT_DEVICE_SUPPORTS_WRITES select CACHE_MRC_SETTINGS select CPU_INTEL_COMMON + select CPU_INTEL_COMMON_HYPERTHREADING + select CPU_INTEL_FIRMWARE_INTERFACE_TABLE + select FSP_COMPRESS_FSP_S_LZ4 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_CAR_NEM #TODO - Enable INTEL_CAR_NEM_ENHANCED + 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_2 + select FSP_PEIM_TO_PEIM_INTERFACE + select REG_SCRIPT + select PMC_GLOBAL_RESET_ENABLE_LOCK + select PMC_LOW_POWER_MODE_PROGRAM select SOC_INTEL_COMMON select SOC_INTEL_COMMON_BLOCK 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_DTT + select SOC_INTEL_COMMON_BLOCK_GPIO_DUAL_ROUTE_SUPPORT 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 SOC_INTEL_COMMON_BLOCK_CAR @@ -35,6 +54,12 @@ config CPU_SPECIFIC_OPTIONS select TSC_MONOTONIC_TIMER select UDELAY_TSC select UDK_202005_BINDING + select DISPLAY_FSP_VERSION_INFO + select HECI_DISABLE_USING_SMM + +config MAX_CPUS + int + default 24 config DCACHE_RAM_BASE default 0xfef00000 @@ -74,6 +99,22 @@ config HEAP_SIZE hex default 0x10000 +config MAX_ROOT_PORTS + int + default 12 + +config MAX_PCIE_CLOCKS + int + default 12 + +config SMM_TSEG_SIZE + hex + default 0x800000 + +config SMM_RESERVED_SIZE + hex + default 0x200000 + config PCR_BASE_ADDRESS hex default 0xfd000000 @@ -145,6 +186,7 @@ config CBFS_SIZE config PRERAM_CBMEM_CONSOLE_SIZE hex default 0x1400 + config FSP_HEADER_PATH string "Location of FSP headers" default "src/vendorcode/intel/fsp/fsp2_0/alderlake/" diff --git a/src/soc/intel/alderlake/Makefile.inc b/src/soc/intel/alderlake/Makefile.inc index 7ea9301a35..d962b75079 100644 --- a/src/soc/intel/alderlake/Makefile.inc +++ b/src/soc/intel/alderlake/Makefile.inc @@ -7,6 +7,13 @@ 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 @@ -20,9 +27,28 @@ romstage-y += gpio.c romstage-y += meminit.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 += lockdown.c +ramstage-y += me.c +ramstage-y += p2sb.c +ramstage-y += pmc.c +ramstage-y += reset.c +ramstage-y += smmrelocate.c +ramstage-y += soundwire.c +ramstage-y += systemagent.c smm-y += gpio.c +smm-y += p2sb.c +smm-y += pmutil.c +smm-y += smihandler.c +smm-y += uart.c CPPFLAGS_common += -I$(src)/soc/intel/alderlake CPPFLAGS_common += -I$(src)/soc/intel/alderlake/include diff --git a/src/soc/intel/alderlake/acpi.c b/src/soc/intel/alderlake/acpi.c new file mode 100644 index 0000000000..ca5d726874 --- /dev/null +++ b/src/soc/intel/alderlake/acpi.c @@ -0,0 +1,375 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpi.h> +#include <acpi/acpi_gnvs.h> +#include <acpi/acpigen.h> +#include <device/mmio.h> +#include <arch/smp/mpspec.h> +#include <cbmem.h> +#include <console/console.h> +#include <device/device.h> +#include <device/pci_ops.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 <soc/systemagent.h> +#include <string.h> +#include <types.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 = C1_LATENCY, + .power = C1_POWER, + .resource = MWAIT_RES(0, 0), + }, + [C_STATE_C1E] = { + .latency = C1_LATENCY, + .power = C1_POWER, + .resource = MWAIT_RES(0, 1), + }, + [C_STATE_C6_SHORT_LAT] = { + .latency = C6_LATENCY, + .power = C6_POWER, + .resource = MWAIT_RES(2, 0), + }, + [C_STATE_C6_LONG_LAT] = { + .latency = C6_LATENCY, + .power = C6_POWER, + .resource = MWAIT_RES(2, 1), + }, + [C_STATE_C7_SHORT_LAT] = { + .latency = C7_LATENCY, + .power = C7_POWER, + .resource = MWAIT_RES(3, 0), + }, + [C_STATE_C7_LONG_LAT] = { + .latency = C7_LATENCY, + .power = C7_POWER, + .resource = MWAIT_RES(3, 1), + }, + [C_STATE_C7S_SHORT_LAT] = { + .latency = C7_LATENCY, + .power = C7_POWER, + .resource = MWAIT_RES(3, 2), + }, + [C_STATE_C7S_LONG_LAT] = { + .latency = C7_LATENCY, + .power = C7_POWER, + .resource = MWAIT_RES(3, 3), + }, + [C_STATE_C8] = { + .latency = C8_LATENCY, + .power = C8_POWER, + .resource = MWAIT_RES(4, 0), + }, + [C_STATE_C9] = { + .latency = C9_LATENCY, + .power = C9_POWER, + .resource = MWAIT_RES(5, 0), + }, + [C_STATE_C10] = { + .latency = C10_LATENCY, + .power = C10_POWER, + .resource = MWAIT_RES(6, 0), + }, +}; + +static int cstate_set_non_s0ix[] = { + C_STATE_C1, + C_STATE_C6_LONG_LAT, + C_STATE_C7S_LONG_LAT +}; + +static int cstate_set_s0ix[] = { + C_STATE_C1, + 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(); + + fadt->pm_tmr_blk = pmbase + PM1_TMR; + fadt->pm_tmr_len = 4; + fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO; + 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 = ACPI_ACCESS_SIZE_DWORD_ACCESS; + 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) +{ + return read32((void *)soc_read_pmc_base() + IRQ_REG); +} + +static unsigned long soc_fill_dmar(unsigned long current) +{ + const struct device *const igfx_dev = pcidev_path_on_root(SA_DEVFN_IGD); + const uint64_t gfxvtbar = MCHBAR64(GFXVTBAR) & VTBAR_MASK; + const bool gfxvten = MCHBAR32(GFXVTBAR) & VTBAR_ENABLED; + + if (is_dev_enabled(igfx_dev) && gfxvtbar && gfxvten) { + const unsigned long tmp = current; + + current += acpi_create_dmar_drhd(current, 0, 0, gfxvtbar); + current += acpi_create_dmar_ds_pci(current, 0, 2, 0); + + acpi_dmar_drhd_fixup(tmp, current); + } + + const struct device *const ipu_dev = pcidev_path_on_root(SA_DEVFN_IPU); + const uint64_t ipuvtbar = MCHBAR64(IPUVTBAR) & VTBAR_MASK; + const bool ipuvten = MCHBAR32(IPUVTBAR) & VTBAR_ENABLED; + + if (is_dev_enabled(ipu_dev) && ipuvtbar && ipuvten) { + const unsigned long tmp = current; + + current += acpi_create_dmar_drhd(current, 0, 0, ipuvtbar); + current += acpi_create_dmar_ds_pci(current, 0, 5, 0); + + acpi_dmar_drhd_fixup(tmp, current); + } + + const uint64_t vtvc0bar = MCHBAR64(VTVC0BAR) & VTBAR_MASK; + const bool vtvc0en = MCHBAR32(VTVC0BAR) & VTBAR_ENABLED; + + if (vtvc0bar && vtvc0en) { + const unsigned long tmp = current; + + current += acpi_create_dmar_drhd(current, + DRHD_INCLUDE_PCI_ALL, 0, vtvc0bar); + current += acpi_create_dmar_ds_ioapic(current, + 2, V_P2SB_CFG_IBDF_BUS, V_P2SB_CFG_IBDF_DEV, + V_P2SB_CFG_IBDF_FUNC); + current += acpi_create_dmar_ds_msi_hpet(current, + 0, V_P2SB_CFG_HBDF_BUS, V_P2SB_CFG_HBDF_DEV, + V_P2SB_CFG_HBDF_FUNC); + + acpi_dmar_drhd_fixup(tmp, current); + } + + /* TCSS Thunderbolt root ports */ + for (unsigned int i = 0; i < MAX_TBT_PCIE_PORT; i++) { + const struct device *const tbt_dev = pcidev_path_on_root(SA_DEVFN_TBT(i)); + if (is_dev_enabled(tbt_dev)) { + const uint64_t tbtbar = MCHBAR64(TBTxBAR(i)) & VTBAR_MASK; + const bool tbten = MCHBAR32(TBTxBAR(i)) & VTBAR_ENABLED; + if (tbtbar && tbten) { + const unsigned long tmp = current; + + current += acpi_create_dmar_drhd(current, 0, 0, tbtbar); + current += acpi_create_dmar_ds_pci_br(current, 0, 7, i); + + acpi_dmar_drhd_fixup(tmp, current); + } + } + } + + /* Add RMRR entry */ + if (is_dev_enabled(igfx_dev)) { + const unsigned long tmp = current; + current += acpi_create_dmar_rmrr(current, 0, + sa_get_gsm_base(), sa_get_tolud_base() - 1); + current += acpi_create_dmar_ds_pci(current, 0, 2, 0); + acpi_dmar_rmrr_fixup(tmp, current); + } + + return current; +} + +unsigned long sa_write_acpi_tables(const struct device *dev, unsigned long current, + struct acpi_rsdp *rsdp) +{ + acpi_dmar_t *const dmar = (acpi_dmar_t *)current; + + /* + * Create DMAR table only if we have VT-d capability and FSP does not override its + * feature. + */ + if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE) || + !(MCHBAR32(VTVC0BAR) & VTBAR_ENABLED)) + return current; + + printk(BIOS_DEBUG, "ACPI: * DMAR\n"); + acpi_create_dmar(dmar, DMAR_INTR_REMAP | DMA_CTRL_PLATFORM_OPT_IN_FLAG, soc_fill_dmar); + current += dmar->header.length; + current = acpi_align_current(current); + acpi_add_table(rsdp, dmar); + + return current; +} + +void acpi_create_gnvs(struct global_nvs *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; + + /* Fill in Above 4GB MMIO resource */ + sa_fill_gnvs(gnvs); +} + +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; +} + +static int acpigen_soc_gpio_op(const char *op, unsigned int gpio_num) +{ + /* op (gpio_num) */ + acpigen_emit_namestring(op); + acpigen_write_integer(gpio_num); + return 0; +} + +static int acpigen_soc_get_gpio_state(const char *op, unsigned int gpio_num) +{ + /* Store (op (gpio_num), Local0) */ + acpigen_write_store(); + acpigen_soc_gpio_op(op, gpio_num); + acpigen_emit_byte(LOCAL0_OP); + return 0; +} + +int acpigen_soc_read_rx_gpio(unsigned int gpio_num) +{ + return acpigen_soc_get_gpio_state("\\_SB.PCI0.GRXS", gpio_num); +} + +int acpigen_soc_get_tx_gpio(unsigned int gpio_num) +{ + return acpigen_soc_get_gpio_state("\\_SB.PCI0.GTXS", gpio_num); +} + +int acpigen_soc_set_tx_gpio(unsigned int gpio_num) +{ + return acpigen_soc_gpio_op("\\_SB.PCI0.STXS", gpio_num); +} + +int acpigen_soc_clear_tx_gpio(unsigned int gpio_num) +{ + return acpigen_soc_gpio_op("\\_SB.PCI0.CTXS", gpio_num); +} diff --git a/src/soc/intel/alderlake/chip.c b/src/soc/intel/alderlake/chip.c new file mode 100644 index 0000000000..794c3bae0f --- /dev/null +++ b/src/soc/intel/alderlake/chip.c @@ -0,0 +1,191 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#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/pcie_rp.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> + +static const struct pcie_rp_group pch_lp_rp_groups[] = { + { .slot = PCH_DEV_SLOT_PCIE, .count = 8 }, + { .slot = PCH_DEV_SLOT_PCIE_1, .count = 4 }, + { 0 } +}; + +#if CONFIG(HAVE_ACPI_TABLES) +const char *soc_acpi_name(const struct device *dev) +{ + if (dev->path.type == DEVICE_PATH_DOMAIN) + return "PCI0"; + + if (dev->path.type == DEVICE_PATH_USB) { + switch (dev->path.usb.port_type) { + case 0: + /* Root Hub */ + return "RHUB"; + case 2: + /* USB2 ports */ + switch (dev->path.usb.port_id) { + case 0: return "HS01"; + case 1: return "HS02"; + case 2: return "HS03"; + case 3: return "HS04"; + case 4: return "HS05"; + case 5: return "HS06"; + case 6: return "HS07"; + case 7: return "HS08"; + case 8: return "HS09"; + case 9: return "HS10"; + } + break; + case 3: + /* USB3 ports */ + switch (dev->path.usb.port_id) { + case 0: return "SS01"; + case 1: return "SS02"; + case 2: return "SS03"; + case 3: return "SS04"; + } + break; + } + return NULL; + } + if (dev->path.type != DEVICE_PATH_PCI) + return NULL; + + switch (dev->path.pci.devfn) { + case SA_DEVFN_ROOT: return "MCHC"; + case SA_DEVFN_TCSS_XHCI: return "TXHC"; + case SA_DEVFN_TCSS_XDCI: return "TXDC"; + case SA_DEVFN_TCSS_DMA0: return "TDM0"; + case SA_DEVFN_TCSS_DMA1: return "TDM1"; + case SA_DEVFN_TBT0: return "TRP0"; + case SA_DEVFN_TBT1: return "TRP1"; + case SA_DEVFN_TBT2: return "TRP2"; + case SA_DEVFN_TBT3: return "TRP3"; + case SA_DEVFN_IPU: return "IPU0"; + case PCH_DEVFN_ISH: return "ISHB"; + case PCH_DEVFN_XHCI: return "XHCI"; + 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_I2C4: return "I2C4"; + case PCH_DEVFN_I2C5: return "I2C5"; + case PCH_DEVFN_SATA: return "SATA"; + 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_PMC: return "PMC"; + case PCH_DEVFN_UART0: return "UAR0"; + case PCH_DEVFN_UART1: return "UAR1"; + case PCH_DEVFN_UART2: return "UAR2"; + case PCH_DEVFN_GSPI0: return "SPI0"; + case PCH_DEVFN_GSPI1: return "SPI1"; + case PCH_DEVFN_GSPI2: return "SPI2"; + case PCH_DEVFN_GSPI3: return "SPI3"; + /* Keeping ACPI device name coherent with ec.asl */ + case PCH_DEVFN_ESPI: return "LPCB"; + case PCH_DEVFN_HDA: return "HDAS"; + case PCH_DEVFN_SMBUS: return "SBUS"; + case PCH_DEVFN_GBE: return "GLAN"; + } + + return NULL; +} +#endif + +/* SoC routine to fill GPIO PM mask and value for GPIO_MISCCFG register */ +static void soc_fill_gpio_pm_configuration(void) +{ + uint8_t value[TOTAL_GPIO_COMM]; + const config_t *config = config_of_soc(); + + if (config->gpio_override_pm) + memcpy(value, config->gpio_pm, sizeof(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) +{ + /* TODO: A bug has been filed, remove this W/A once FSP is updated */ + /* 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(); + + /* Swap enabled PCI ports in device tree if needed. */ + pcie_rp_update_devicetree(pch_lp_rp_groups); +} + +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 = noop_read_resources, + .set_resources = noop_set_resources, +#if CONFIG(HAVE_ACPI_TABLES) + .acpi_fill_ssdt = generate_cpu_entries, +#endif +}; + +static void soc_enable(struct device *dev) +{ + /* + * Set the operations if it is a special bus type or a hidden PCI + * device. + */ + if (dev->path.type == DEVICE_PATH_DOMAIN) + dev->ops = &pci_domain_ops; + else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) + dev->ops = &cpu_bus_ops; + else if (dev->path.type == DEVICE_PATH_PCI && + dev->path.pci.devfn == PCH_DEVFN_PMC) + dev->ops = &pmc_ops; +} + +struct chip_operations soc_intel_alderlake_ops = { + CHIP_NAME("Intel Alderlake") + .enable_dev = &soc_enable, + .init = &soc_init_pre_device, +}; diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h index 2721da6180..aaf03f510f 100644 --- a/src/soc/intel/alderlake/chip.h +++ b/src/soc/intel/alderlake/chip.h @@ -11,6 +11,8 @@ #include <soc/pch.h> #include <soc/pci_devs.h> #include <soc/pmc.h> +#include <soc/serialio.h> +#include <soc/usb.h> #include <stdint.h> #define MAX_HD_AUDIO_DMIC_LINKS 2 @@ -177,7 +179,6 @@ struct soc_intel_alderlake_config { uint8_t SkipExtGfxScan; uint32_t GraphicsConfigPtr; - uint8_t Device4Enable; /* HeciEnabled decides the state of Heci1 at end of boot * Setting to 0 (default) disables Heci1 and hides the device from OS */ @@ -239,10 +240,6 @@ struct soc_intel_alderlake_config { /* Enable Pch iSCLK */ uint8_t pch_isclk; - /* CNVi */ - uint8_t CnviMode; - uint8_t CnviBtCore; - /* CNVi BT Audio Offload: Enable/Disable BT Audio Offload. */ enum { FORCE_DISABLE, @@ -250,6 +247,19 @@ struct soc_intel_alderlake_config { } CnviBtAudioOffload; /* + * IOM Port Config + * If a port orientation needs to be controlled by the SOC this setting must be + * updated to reflect the correct GPIOs being used for the SOC port flipping. + * There are 4 ports each with a pair of GPIOs for Pull Up and Pull Down + * 0,1 are pull up and pull down for port 0 + * 2,3 are pull up and pull down for port 1 + * 4,5 are pull up and pull down for port 2 + * 6,7 are pull up and pull down for port 3 + * values to be programmed correspond to the GPIO family and offsets + */ + uint32_t IomTypeCPortPadCfg[8]; + + /* * SOC Aux orientation override: * This is a bitfield that corresponds to up to 4 TCSS ports on ADL. * Even numbered bits (0, 2, 4, 6) control the retimer being handled by SOC. diff --git a/src/soc/intel/alderlake/cpu.c b/src/soc/intel/alderlake/cpu.c new file mode 100644 index 0000000000..ee8051d568 --- /dev/null +++ b/src/soc/intel/alderlake/cpu.c @@ -0,0 +1,219 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on Intel Alder Lake Processor CPU Datasheet + * Document number: 619501 + * Chapter number: 14 + */ + +#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/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 */ + wrmsr(IA32_MISC_ENABLE, msr); + + /* Set EIST status */ + cpu_set_eist(conf->eist_enable); + + /* 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); +} + +/* 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 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. + */ + global_smi_enable(); +} + +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"); + + /* Thermal throttle activation offset */ + configure_tcc_thermal_target(); +} diff --git a/src/soc/intel/alderlake/elog.c b/src/soc/intel/alderlake/elog.c new file mode 100644 index 0000000000..84f0a7ed4f --- /dev/null +++ b/src/soc/intel/alderlake/elog.c @@ -0,0 +1,129 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <bootstate.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_GPE, 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); + + /* CSME-Initiated Host Reset with power down */ + if (ps->hpr_cause0 & HPR_CAUSE0_MI_HRPD) + elog_add_event(ELOG_TYPE_MI_HRPD); + + /* CSME-Initiated Host Reset with power cycle */ + if (ps->hpr_cause0 & HPR_CAUSE0_MI_HRPC) + elog_add_event(ELOG_TYPE_MI_HRPC); + + /* CSME-Initiated Host Reset without power cycle */ + if (ps->hpr_cause0 & HPR_CAUSE0_MI_HR) + elog_add_event(ELOG_TYPE_MI_HR); + + /* 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/alderlake/espi.c b/src/soc/intel/alderlake/espi.c index bad4ab9143..8a4007cdcb 100644 --- a/src/soc/intel/alderlake/espi.c +++ b/src/soc/intel/alderlake/espi.c @@ -9,10 +9,14 @@ #include <device/pci.h> #include <pc80/isa-dma.h> #include <pc80/i8259.h> +#include <arch/ioapic.h> +#include <intelblocks/itss.h> #include <intelblocks/lpc_lib.h> #include <intelblocks/pcr.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> @@ -49,3 +53,27 @@ void soc_setup_dmi_pcr_io_dec(uint32_t *gen_io_dec) pcr_write32(PID_DMI, PCR_DMI_LPCLGIR3, gen_io_dec[2]); pcr_write32(PID_DMI, PCR_DMI_LPCLGIR4, gen_io_dec[3]); } + +#if ENV_RAMSTAGE +void lpc_soc_init(struct device *dev) +{ + /* Legacy initialization */ + isa_dma_init(); + lpc_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 */ + lpc_pch_enable_ioapic(); + lpc_pch_pirq_init(); + setup_i8259(); + i8259_configure_irq_trigger(9, 1); +} +#endif diff --git a/src/soc/intel/alderlake/finalize.c b/src/soc/intel/alderlake/finalize.c new file mode 100644 index 0000000000..24dbbd6ab7 --- /dev/null +++ b/src/soc/intel/alderlake/finalize.c @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on Intel Alder Lake Processor PCH Datasheet + * Document number: 621483 + * 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/pmclib.h> +#include <intelblocks/tco.h> +#include <intelblocks/thermal.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> + +#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) +{ + config_t *config; + + /* TCO Lock down */ + tco_lockdown(); + + /* TODO: Add 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 + */ + config = config_of_soc(); + if (config->PmTimerDisabled) + pmc_disable_acpi_timer(); + + /* Disable XTAL shutdown qualification for low power idle. */ + if (config->s0ix_enable) + pmc_ignore_xtal_shutdown(); + + pch_handle_sideband(config); + + pmc_clear_pmcon_sts(); +} + +static void tbt_finalize(void) +{ + int i; + const struct device *dev; + + /* Disable Thunderbolt PCIe root ports bus master */ + for (i = 0; i < NUM_TBT_FUNCTIONS; i++) { + dev = pcidev_path_on_root(SA_DEVFN_TBT(i)); + if (dev) + pci_dev_disable_bus_master(dev); + } +} + +static void soc_finalize(void *unused) +{ + printk(BIOS_DEBUG, "Finalizing chipset.\n"); + + pch_finalize(); + apm_control(APM_CNT_FINALIZE); + tbt_finalize(); + + /* 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/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c new file mode 100644 index 0000000000..a21ca4a1b5 --- /dev/null +++ b/src/soc/intel/alderlake/fsp_params.c @@ -0,0 +1,317 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <assert.h> +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <fsp/api.h> +#include <fsp/ppi/mp_service_ppi.h> +#include <fsp/util.h> +#include <intelblocks/lpss.h> +#include <intelblocks/xdci.h> +#include <intelpch/lockdown.h> +#include <intelblocks/mp_init.h> +#include <soc/gpio_soc_defs.h> +#include <soc/intel/common/vbt.h> +#include <soc/pci_devs.h> +#include <soc/ramstage.h> +#include <soc/soc_chip.h> +#include <string.h> + +/* THC assignment definition */ +#define THC_NONE 0 +#define THC_0 1 +#define THC_1 2 + +/* SATA DEVSLP idle timeout default values */ +#define DEF_DMVAL 15 +#define DEF_DITOVAL 625 + +/* + * Chip config parameter PcieRpL1Substates uses (UPD value + 1) + * because UPD value of 0 for PcieRpL1Substates means disabled for FSP. + * In order to ensure that mainboard setting does not disable L1 substates + * incorrectly, chip config parameter values are offset by 1 with 0 meaning + * use FSP UPD default. get_l1_substate_control() ensures that the right UPD + * value is set in fsp_params. + * 0: Use FSP UPD default + * 1: Disable L1 substates + * 2: Use L1.1 + * 3: Use L1.2 (FSP UPD default) + */ +static int get_l1_substate_control(enum L1_substates_control ctl) +{ + if ((ctl > L1_SS_L1_2) || (ctl == L1_SS_FSP_DEFAULT)) + ctl = L1_SS_L1_2; + return ctl - 1; +} + +static void parse_devicetree(FSP_S_CONFIG *params) +{ + const struct soc_intel_alderlake_config *config; + config = config_of_soc(); + + for (int i = 0; i < CONFIG_SOC_INTEL_I2C_DEV_MAX; i++) + params->SerialIoI2cMode[i] = config->SerialIoI2cMode[i]; + + for (int i = 0; i < CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX; i++) { + params->SerialIoSpiMode[i] = config->SerialIoGSpiMode[i]; + params->SerialIoSpiCsMode[i] = config->SerialIoGSpiCsMode[i]; + params->SerialIoSpiCsState[i] = config->SerialIoGSpiCsState[i]; + } + + for (int i = 0; i < CONFIG_SOC_INTEL_UART_DEV_MAX; i++) + params->SerialIoUartMode[i] = config->SerialIoUartMode[i]; +} + +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_GSPI3, + PCH_DEVFN_UART0, + PCH_DEVFN_UART1, + PCH_DEVFN_UART2 +}; + +__weak void mainboard_update_soc_chip_config(struct soc_intel_alderlake_config *config) +{ + /* Override settings per board. */ +} + +/* UPD parameters to be initialized before SiliconInit */ +void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) +{ + int i; + FSP_S_CONFIG *params = &supd->FspsConfig; + + struct device *dev; + struct soc_intel_alderlake_config *config; + config = config_of_soc(); + mainboard_update_soc_chip_config(config); + + /* Parse device tree and enable/disable Serial I/O devices */ + parse_devicetree(params); + + /* Load VBT before devicetree-specific config. */ + params->GraphicsConfigPtr = (uintptr_t)vbt_get(); + + /* Check if IGD is present and fill Graphics init param accordingly */ + dev = pcidev_path_on_root(SA_DEVFN_IGD); + params->PeiGraphicsPeimInit = CONFIG(RUN_FSP_GOP) && is_dev_enabled(dev); + + /* Use coreboot MP PPI services if Kconfig is enabled */ + if (CONFIG(USE_INTEL_FSP_TO_CALL_COREBOOT_PUBLISH_MP_PPI)) + params->CpuMpPpi = (uintptr_t) mp_fill_ppi_services_data(); + + /* D3Hot and D3Cold for TCSS */ + params->D3HotEnable = !config->TcssD3HotDisable; + params->D3ColdEnable = !config->TcssD3ColdDisable; + + params->TcssAuxOri = config->TcssAuxOri; + for (i = 0; i < 8; i++) + params->IomTypeCPortPadCfg[i] = config->IomTypeCPortPadCfg[i]; + + /* + * Set FSPS UPD ITbtConnectTopologyTimeoutInMs with value 0. FSP will + * evaluate this UPD value and skip sending command. There will be no + * delay for command completion. + */ + params->ITbtConnectTopologyTimeoutInMs = 0; + + /* Chipset Lockdown */ + if (get_lockdown_config() == CHIPSET_LOCKDOWN_COREBOOT) { + params->PchLockDownGlobalSmi = 0; + params->PchLockDownBiosInterface = 0; + params->PchUnlockGpioPads = 1; + params->RtcMemoryLock = 0; + } else { + params->PchLockDownGlobalSmi = 1; + params->PchLockDownBiosInterface = 1; + params->PchUnlockGpioPads = 0; + params->RtcMemoryLock = 1; + } + + /* USB */ + for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) { + params->PortUsb20Enable[i] = config->usb2_ports[i].enable; + params->Usb2PhyPetxiset[i] = config->usb2_ports[i].pre_emp_bias; + params->Usb2PhyTxiset[i] = config->usb2_ports[i].tx_bias; + params->Usb2PhyPredeemp[i] = config->usb2_ports[i].tx_emp_enable; + params->Usb2PhyPehalfbit[i] = config->usb2_ports[i].pre_emp_bit; + + if (config->usb2_ports[i].enable) + params->Usb2OverCurrentPin[i] = config->usb2_ports[i].ocpin; + else + params->Usb2OverCurrentPin[i] = OC_SKIP; + } + + for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) { + params->PortUsb30Enable[i] = config->usb3_ports[i].enable; + if (config->usb3_ports[i].enable) + params->Usb3OverCurrentPin[i] = config->usb3_ports[i].ocpin; + else + params->Usb3OverCurrentPin[i] = OC_SKIP; + + if (config->usb3_ports[i].tx_de_emp) { + params->Usb3HsioTxDeEmphEnable[i] = 1; + params->Usb3HsioTxDeEmph[i] = config->usb3_ports[i].tx_de_emp; + } + if (config->usb3_ports[i].tx_downscale_amp) { + params->Usb3HsioTxDownscaleAmpEnable[i] = 1; + params->Usb3HsioTxDownscaleAmp[i] = + config->usb3_ports[i].tx_downscale_amp; + } + } + + /* Enable xDCI controller if enabled in devicetree and allowed */ + dev = pcidev_path_on_root(PCH_DEVFN_USBOTG); + if (dev) { + if (!xdci_can_enable()) + dev->enabled = 0; + params->XdciEnable = dev->enabled; + } else { + params->XdciEnable = 0; + } + + /* PCH UART selection for FSP Debug */ + params->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE; + ASSERT(ARRAY_SIZE(params->SerialIoUartAutoFlow) > CONFIG_UART_FOR_CONSOLE); + params->SerialIoUartAutoFlow[CONFIG_UART_FOR_CONSOLE] = 0; + + /* SATA */ + dev = pcidev_path_on_root(PCH_DEVFN_SATA); + params->SataEnable = is_dev_enabled(dev); + if (params->SataEnable) { + params->SataMode = config->SataMode; + params->SataSalpSupport = config->SataSalpSupport; + memcpy(params->SataPortsEnable, config->SataPortsEnable, + sizeof(params->SataPortsEnable)); + memcpy(params->SataPortsDevSlp, config->SataPortsDevSlp, + sizeof(params->SataPortsDevSlp)); + } + + /* + * Power Optimizer for DMI and SATA. + * DmiPwrOptimizeDisable and SataPwrOptimizeDisable is default to 0. + * Boards not needing the optimizers explicitly disables them by setting + * these disable variables to 1 in devicetree overrides. + */ + params->PchPwrOptEnable = !(config->DmiPwrOptimizeDisable); + params->SataPwrOptEnable = !(config->SataPwrOptimizeDisable); + + /* + * Enable DEVSLP Idle Timeout settings DmVal and DitoVal. + * SataPortsDmVal is the DITO multiplier. Default is 15. + * SataPortsDitoVal is the DEVSLP Idle Timeout (DITO), Default is 625ms. + * The default values can be changed from devicetree. + */ + for (i = 0; i < ARRAY_SIZE(config->SataPortsEnableDitoConfig); i++) { + if (config->SataPortsEnableDitoConfig[i]) { + params->SataPortsDmVal[i] = config->SataPortsDmVal[i]; + params->SataPortsDitoVal[i] = config->SataPortsDitoVal[i]; + } + } + + /* Enable TCPU for processor thermal control */ + dev = pcidev_path_on_root(SA_DEVFN_DPTF); + params->Device4Enable = is_dev_enabled(dev); + + /* Set TccActivationOffset */ + params->TccActivationOffset = config->tcc_offset; + + /* LAN */ + dev = pcidev_path_on_root(PCH_DEVFN_GBE); + params->PchLanEnable = is_dev_enabled(dev); + + /* CNVi */ + dev = pcidev_path_on_root(PCH_DEVFN_CNVI_WIFI); + params->CnviMode = is_dev_enabled(dev); + + /* CNVi BT Core */ + dev = pcidev_path_on_root(PCH_DEVFN_CNVI_BT); + params->CnviBtCore = is_dev_enabled(dev); + + /* CNVi BT Audio Offload */ + params->CnviBtAudioOffload = config->CnviBtAudioOffload; + + /* VMD */ + dev = pcidev_path_on_root(SA_DEVFN_VMD); + params->VmdEnable = is_dev_enabled(dev); + + /* THC */ + dev = pcidev_path_on_root(PCH_DEVFN_THC0); + params->ThcPort0Assignment = is_dev_enabled(dev) ? THC_0 : THC_NONE; + + dev = pcidev_path_on_root(PCH_DEVFN_THC1); + params->ThcPort1Assignment = is_dev_enabled(dev) ? THC_1 : THC_NONE; + + /* Legacy 8254 timer support */ + params->Enable8254ClockGating = !CONFIG(USE_LEGACY_8254_TIMER); + params->Enable8254ClockGatingOnS3 = !CONFIG(USE_LEGACY_8254_TIMER); + + /* Enable Hybrid storage auto detection */ + params->HybridStorageMode = config->HybridStorageMode; + + for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) { + params->PcieRpL1Substates[i] = + get_l1_substate_control(config->PcieRpL1Substates[i]); + params->PcieRpLtrEnable[i] = config->PcieRpLtrEnable[i]; + params->PcieRpAdvancedErrorReporting[i] = + config->PcieRpAdvancedErrorReporting[i]; + params->PcieRpHotPlug[i] = config->PcieRpHotPlug[i]; + } + + /* Enable ClkReqDetect for enabled port */ + memcpy(params->PcieRpClkReqDetect, config->PcieRpClkReqDetect, + sizeof(config->PcieRpClkReqDetect)); + + params->PmSupport = 1; + params->Hwp = 1; + params->Cx = 1; + params->PsOnEnable = 1; + + mainboard_silicon_init_params(params); +} + +int soc_fsp_multi_phase_init_is_enable(void) +{ + return 0; +} + +/* + * Callbacks for SoC/Mainboard specific overrides for FspMultiPhaseSiInit + * This platform supports below MultiPhaseSIInit Phase(s): + * Phase | FSP return point | Purpose + * ------- + ------------------------------------------------ + ------------------------------- + * 1 | After TCSS initialization completed | for TCSS specific init + */ +void platform_fsp_multi_phase_init_cb(uint32_t phase_index) +{ + switch (phase_index) { + case 1: + /* TCSS specific initialization here */ + break; + default: + break; + } +} + +/* Mainboard GPIO Configuration */ +__weak void mainboard_silicon_init_params(FSP_S_CONFIG *params) +{ + printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); +} + +/* 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/alderlake/gspi.c b/src/soc/intel/alderlake/gspi.c new file mode 100644 index 0000000000..dd07b07f1a --- /dev/null +++ b/src/soc/intel/alderlake/gspi.c @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +/* + * This file is created based on Intel Alder Lake Processor PCH Datasheet + * Document number: 621483 + * 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; + case 3: + return PCH_DEVFN_GSPI3; + } + return -1; +} diff --git a/src/soc/intel/alderlake/i2c.c b/src/soc/intel/alderlake/i2c.c new file mode 100644 index 0000000000..ef34e2ef1c --- /dev/null +++ b/src/soc/intel/alderlake/i2c.c @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on Intel Alder Lake Processor PCH Datasheet + * Document number: 621483 + * 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/alderlake/include/soc/cpu.h b/src/soc/intel/alderlake/include/soc/cpu.h new file mode 100644 index 0000000000..3c11183831 --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/cpu.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ALDERLAKE_CPU_H_ +#define _SOC_ALDERLAKE_CPU_H_ + +/* Latency times in us */ +#define C1_LATENCY 1 +#define C6_LATENCY 127 +#define C7_LATENCY 253 +#define C8_LATENCY 260 +#define C9_LATENCY 487 +#define C10_LATENCY 1048 + +/* 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 + +#endif diff --git a/src/soc/intel/alderlake/include/soc/irq.h b/src/soc/intel/alderlake/include/soc/irq.h new file mode 100644 index 0000000000..98e3f42108 --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/irq.h @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#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 LPSS_I2C0_IRQ 27 +#define LPSS_I2C1_IRQ 40 +#define LPSS_I2C2_IRQ 29 +#define LPSS_I2C3_IRQ 30 +#define LPSS_I2C4_IRQ 31 +#define LPSS_I2C5_IRQ 32 +#define LPSS_SPI0_IRQ 36 +#define LPSS_SPI1_IRQ 37 +#define LPSS_SPI2_IRQ 34 +#define LPSS_SPI3_IRQ 43 + +#define LPSS_UART0_IRQ 16 +#define LPSS_UART1_IRQ 17 +#define LPSS_UART2_IRQ 33 + +#define HDA_IRQ 16 +#define SMBUS_IRQ 16 +#define TRACEHUB_IRQ 16 + +#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 xHCI_IRQ 16 +#define xDCI_IRQ 17 +#define CNVI_WIFI_IRQ 16 + +#define CNVI_BT_IRQ 18 + +#define THC0_IRQ 23 +#define THC1_IRQ 24 + +#define ISH_IRQ 16 + +#define TBT_PCIe0_IRQ 16 +#define TBT_PCIe1_IRQ 17 +#define TBT_PCIe2_IRQ 18 +#define TBT_PCIe3_IRQ 19 + +#define HECI_1_IRQ 16 +#define HECI_2_IRQ 17 +#define HECI_3_IRQ 16 +#define HECI_4_IRQ 19 + +#define PEG_IRQ 16 +#define IGFX_IRQ 16 +#define THERMAL_IRQ 16 +#define IPU_IRQ 16 +#define GNA_IRQ 16 +#endif diff --git a/src/soc/intel/alderlake/include/soc/itss.h b/src/soc/intel/alderlake/include/soc/itss.h new file mode 100644 index 0000000000..ff26c9f97c --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/itss.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOC_INTEL_ADL_ITSS_H +#define SOC_INTEL_ADL_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_ADL_ITSS_H */ diff --git a/src/soc/intel/alderlake/include/soc/me.h b/src/soc/intel/alderlake/include/soc/me.h new file mode 100644 index 0000000000..993a3bc29e --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/me.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _ALDERLAKE_ME_H_ +#define _ALDERLAKE_ME_H_ + +#include <stdint.h> + +/* ME Host Firmware Status register 1 */ +union me_hfsts1 { + u32 data; + struct { + u32 working_state: 4; + u32 spi_protection_mode: 1; + u32 fpt_bad: 1; + u32 operation_state: 3; + u32 fw_init_complete: 1; + u32 ft_bup_ld_flr: 1; + u32 update_in_progress: 1; + u32 error_code: 4; + u32 operation_mode: 4; + u32 reset_count: 4; + u32 boot_options_present: 1; + u32 invoke_enhance_dbg_mode: 1; + u32 bist_test_state: 1; + u32 bist_reset_request: 1; + u32 current_power_source: 2; + u32 reserved: 1; + u32 d0i3_support_valid: 1; + } __packed fields; +}; + +/* ME Host Firmware Status Register 3 */ +union me_hfsts3 { + u32 data; + struct { + u32 reserved_0: 4; + u32 fw_sku: 3; + u32 reserved_7: 2; + u32 reserved_9: 2; + u32 resered_11: 3; + u32 resered_14: 16; + u32 reserved_30: 2; + } __packed fields; +}; +#endif /* _ALDERLAKE_ME_H_ */ diff --git a/src/soc/intel/alderlake/include/soc/meminit.h b/src/soc/intel/alderlake/include/soc/meminit.h new file mode 100644 index 0000000000..76930be0e7 --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/meminit.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ALDERLAKE_MEMINIT_H_ +#define _SOC_ALDERLAKE_MEMINIT_H_ + +#include <stddef.h> +#include <stdint.h> +#include <fsp/soc_binding.h> + +#define BYTES_PER_CHANNEL 2 +#define BITS_PER_BYTE 8 +#define DQS_PER_CHANNEL 2 + +/* 64-bit Channel identification */ +enum { + DDR_CH0, + DDR_CH1, + DDR_CH2, + DDR_CH3, + DDR_CH4, + DDR_CH5, + DDR_CH6, + DDR_CH7, + DDR_NUM_CHANNELS +}; +/* Number of memory DIMM slots available on Alderlake board */ +#define NUM_DIMM_SLOT 16 + +struct spd_by_pointer { + size_t spd_data_len; + uintptr_t spd_data_ptr; +}; + +enum mem_info_read_type { + NOT_EXISTING, /* No memory in this slot */ + READ_SMBUS, /* Read on-module spd by SMBUS. */ + READ_SPD_CBFS, /* Find SPD file in CBFS. */ + READ_SPD_MEMPTR /* Find SPD data from pointer. */ +}; + +struct spd_info { + enum mem_info_read_type read_type; + union spd_data_by { + /* To read on-module SPD when read_type is READ_SMBUS. */ + uint8_t spd_smbus_address[NUM_DIMM_SLOT]; + + /* To identify SPD file when read_type is READ_SPD_CBFS. */ + int spd_index; + + /* To find SPD data when read_type is READ_SPD_MEMPTR. */ + struct spd_by_pointer spd_data_ptr_info; + } spd_spec; +}; + +/* Board-specific memory configuration information */ +struct mb_cfg { + /* DQ mapping */ + uint8_t dq_map[DDR_NUM_CHANNELS][BYTES_PER_CHANNEL * BITS_PER_BYTE]; + + /* + * DQS CPU<>DRAM map. Each array entry represents a + * mapping of a dq bit on the CPU to the bit it's connected to on + * the memory part. The array index represents the dqs bit number + * on the memory part, and the values in the array represent which + * pin on the CPU that DRAM pin connects to. + */ + uint8_t dqs_map[DDR_NUM_CHANNELS][DQS_PER_CHANNEL]; + + /* + * Rcomp resistor values. These values represent the resistance in + * ohms of the three rcomp resistors attached to the DDR_COMP_0, + * DDR_COMP_1, and DDR_COMP_2 pins on the DRAM. + */ + uint16_t rcomp_resistor[3]; + + /* Rcomp target values. */ + uint16_t rcomp_targets[5]; + + /* + * Early Command Training Enable/Disable Control + * TRUE = enable, FALSE = disable + */ + bool ect; + + /* Board type */ + uint8_t UserBd; +}; + +/* + * Initialize default memory configurations for Alder Lake. + */ + +void memcfg_init(FSP_M_CONFIG *mem_cfg, const struct mb_cfg *board_cfg, + const struct spd_info *spd_info, bool half_populated); + +#endif /* _SOC_ALDERLAKE_MEMINIT_H_ */ diff --git a/src/soc/intel/alderlake/include/soc/nvs.h b/src/soc/intel/alderlake/include/soc/nvs.h new file mode 100644 index 0000000000..512945898e --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/nvs.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_NVS_H_ +#define _SOC_NVS_H_ + +#include <intelblocks/nvs.h> + +#endif diff --git a/src/soc/intel/alderlake/include/soc/pci_devs.h b/src/soc/intel/alderlake/include/soc/pci_devs.h index eedcc27185..d86e81ddc2 100644 --- a/src/soc/intel/alderlake/include/soc/pci_devs.h +++ b/src/soc/intel/alderlake/include/soc/pci_devs.h @@ -30,6 +30,10 @@ #define SA_DEVFN_DPTF PCI_DEVFN(SA_DEV_SLOT_DPTF, 0) #define SA_DEV_DPTF PCI_DEV(0, SA_DEV_SLOT_DPTF, 0) +#define SA_DEV_SLOT_IPU 0x05 +#define SA_DEVFN_IPU PCI_DEVFN(SA_DEV_SLOT_IPU, 0) +#define SA_DEV_IPU PCI_DEV(0, SA_DEV_SLOT_IPU, 0) + #define SA_DEV_SLOT_CPU_PCIE 0x06 #define SA_DEVFN_CPU_PCIE PCI_DEVFN(SA_DEV_SLOT_CPU_PCIE, 0) @@ -63,8 +67,10 @@ #define PCH_DEV_SLOT_SIO0 0x10 #define PCH_DEVFN_THC0 _PCH_DEVFN(SIO0, 0) #define PCH_DEVFN_THC1 _PCH_DEVFN(SIO0, 1) +#define PCH_DEVFN_CNVI_BT _PCH_DEVFN(SIO0, 2) #define PCH_DEV_THC0 _PCH_DEV(SIO0, 0) #define PCH_DEV_THC1 _PCH_DEV(SIO0, 1) +#define PCH_DEV_CNVI_BT _PCH_DEV(SIO0, 2) #define PCH_DEV_SLOT_ISH 0x12 #define PCH_DEVFN_ISH _PCH_DEVFN(ISH, 0) @@ -72,6 +78,10 @@ #define PCH_DEV_ISH _PCH_DEV(ISH, 0) #define PCH_DEV_GSPI2 _PCH_DEV(ISH, 6) +#define PCH_DEV_SLOT_SIO2 0x13 +#define PCH_DEVFN_GSPI3 _PCH_DEVFN(SIO2, 0) +#define PCH_DEV_GSPI3 _PCH_DEV(SIO2, 0) + #define PCH_DEV_SLOT_XHCI 0x14 #define PCH_DEVFN_XHCI _PCH_DEVFN(XHCI, 0) #define PCH_DEVFN_USBOTG _PCH_DEVFN(XHCI, 1) diff --git a/src/soc/intel/alderlake/include/soc/pmc.h b/src/soc/intel/alderlake/include/soc/pmc.h index 03fe02fee1..e4e3dfb690 100644 --- a/src/soc/intel/alderlake/include/soc/pmc.h +++ b/src/soc/intel/alderlake/include/soc/pmc.h @@ -2,6 +2,9 @@ #ifndef _SOC_ALDERLAKE_PMC_H_ #define _SOC_ALDERLAKE_PMC_H_ +#include <device/device.h> + +extern struct device_operations pmc_ops; /* PCI Configuration Space (D31:F2): PMC */ #define PWRMBASE 0x10 diff --git a/src/soc/intel/alderlake/include/soc/ramstage.h b/src/soc/intel/alderlake/include/soc/ramstage.h new file mode 100644 index 0000000000..e655198316 --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/ramstage.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_RAMSTAGE_H_ +#define _SOC_RAMSTAGE_H_ + +#include <fsp/api.h> +#include <fsp/util.h> +#include <soc/soc_chip.h> + +void mainboard_silicon_init_params(FSP_S_CONFIG *params); +void mainboard_update_soc_chip_config(struct soc_intel_alderlake_config *config); +void soc_init_pre_device(void *chip_info); + +#endif diff --git a/src/soc/intel/alderlake/include/soc/serialio.h b/src/soc/intel/alderlake/include/soc/serialio.h new file mode 100644 index 0000000000..e42af5f781 --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/serialio.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SERIALIO_H_ +#define _SERIALIO_H_ + +enum { + PchSerialIoDisabled, + PchSerialIoPci, + PchSerialIoHidden, + PchSerialIoLegacyUart, + PchSerialIoSkipInit +}; + +enum { + PchSerialIoIndexI2C0, + PchSerialIoIndexI2C1, + PchSerialIoIndexI2C2, + PchSerialIoIndexI2C3, + PchSerialIoIndexI2C4, + PchSerialIoIndexI2C5, +}; + +enum { + PchSerialIoIndexGSPI0, + PchSerialIoIndexGSPI1, + PchSerialIoIndexGSPI2, + PchSerialIoIndexGSPI3, +}; + +enum { + PchSerialIoIndexUART0, + PchSerialIoIndexUART1, + PchSerialIoIndexUART2, +}; + +#endif diff --git a/src/soc/intel/alderlake/include/soc/systemagent.h b/src/soc/intel/alderlake/include/soc/systemagent.h index b564e7d07f..ebb3d71392 100644 --- a/src/soc/intel/alderlake/include/soc/systemagent.h +++ b/src/soc/intel/alderlake/include/soc/systemagent.h @@ -31,10 +31,7 @@ #define IMRBASE 0x6a40 #define IMRLIMIT 0x6a48 #define IPUVTBAR 0x7880 -#define TBT0BAR 0x7888 -#define TBT1BAR 0x7890 -#define TBT2BAR 0x7898 -#define TBT3BAR 0x78a0 +#define TBTxBAR(x) (0x7888 + (x) * 8) #define MAX_TBT_PCIE_PORT 4 @@ -44,10 +41,10 @@ static const struct sa_mmio_descriptor soc_vtd_resources[] = { { GFXVTBAR, GFXVT_BASE_ADDRESS, GFXVT_BASE_SIZE, "GFXVTBAR" }, { IPUVTBAR, IPUVT_BASE_ADDRESS, IPUVT_BASE_SIZE, "IPUVTBAR" }, - { TBT0BAR, TBT0_BASE_ADDRESS, TBT0_BASE_SIZE, "TBT0BAR" }, - { TBT1BAR, TBT1_BASE_ADDRESS, TBT1_BASE_SIZE, "TBT1BAR" }, - { TBT2BAR, TBT2_BASE_ADDRESS, TBT2_BASE_SIZE, "TBT2BAR" }, - { TBT3BAR, TBT3_BASE_ADDRESS, TBT3_BASE_SIZE, "TBT3BAR" }, + { TBTxBAR(0), TBT0_BASE_ADDRESS, TBT0_BASE_SIZE, "TBT0BAR" }, + { TBTxBAR(1), TBT1_BASE_ADDRESS, TBT1_BASE_SIZE, "TBT1BAR" }, + { TBTxBAR(2), TBT2_BASE_ADDRESS, TBT2_BASE_SIZE, "TBT2BAR" }, + { TBTxBAR(3), TBT3_BASE_ADDRESS, TBT3_BASE_SIZE, "TBT3BAR" }, { VTVC0BAR, VTVC0_BASE_ADDRESS, VTVC0_BASE_SIZE, "VTVC0BAR" }, }; diff --git a/src/soc/intel/alderlake/include/soc/usb.h b/src/soc/intel/alderlake/include/soc/usb.h new file mode 100644 index 0000000000..846849aa60 --- /dev/null +++ b/src/soc/intel/alderlake/include/soc/usb.h @@ -0,0 +1,138 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#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_DE_EMP_ON_PRE_EMP_ON, \ + .pre_emp_bias = USB2_BIAS_45MV, \ + .pre_emp_bit = USB2_FULL_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/alderlake/lockdown.c b/src/soc/intel/alderlake/lockdown.c new file mode 100644 index 0000000000..e9e4b592e8 --- /dev/null +++ b/src/soc/intel/alderlake/lockdown.c @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on Intel Alder Lake Processor PCH Datasheet + * Document number: 621483 + * Chapter number: 4 + */ + +#include <device/mmio.h> +#include <intelblocks/cfg.h> +#include <intelpch/lockdown.h> +#include <soc/pm.h> +#include <stdint.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/alderlake/me.c b/src/soc/intel/alderlake/me.c new file mode 100644 index 0000000000..da1a2992e6 --- /dev/null +++ b/src/soc/intel/alderlake/me.c @@ -0,0 +1,167 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <bootstate.h> +#include <intelblocks/cse.h> +#include <console/console.h> +#include <soc/me.h> +#include <stdint.h> + +/* Host Firmware Status Register 2 */ +union me_hfsts2 { + uint32_t data; + struct { + uint32_t nftp_load_failure : 1; + uint32_t icc_prog_status : 2; + uint32_t invoke_mebx : 1; + uint32_t cpu_replaced : 1; + uint32_t rsvd0 : 1; + uint32_t mfs_failure : 1; + uint32_t warm_reset_rqst : 1; + uint32_t cpu_replaced_valid : 1; + uint32_t low_power_state : 1; + uint32_t me_power_gate : 1; + uint32_t ipu_needed : 1; + uint32_t forced_safe_boot : 1; + uint32_t rsvd1 : 2; + uint32_t listener_change : 1; + uint32_t status_data : 8; + uint32_t current_pmevent : 4; + uint32_t phase : 4; + } __packed fields; +}; + +/* Host Firmware Status Register 4 */ +union me_hfsts4 { + uint32_t data; + struct { + uint32_t rsvd0 : 9; + uint32_t enforcement_flow : 1; + uint32_t sx_resume_type : 1; + uint32_t rsvd1 : 1; + uint32_t tpms_disconnected : 1; + uint32_t rvsd2 : 1; + uint32_t fwsts_valid : 1; + uint32_t boot_guard_self_test : 1; + uint32_t rsvd3 : 16; + } __packed fields; +}; + +/* Host Firmware Status Register 5 */ +union me_hfsts5 { + uint32_t data; + struct { + uint32_t acm_active : 1; + uint32_t valid : 1; + uint32_t result_code_source : 1; + uint32_t error_status_code : 5; + uint32_t acm_done_sts : 1; + uint32_t timeout_count : 7; + uint32_t scrtm_indicator : 1; + uint32_t inc_boot_guard_acm : 4; + uint32_t inc_key_manifest : 4; + uint32_t inc_boot_policy : 4; + uint32_t rsvd0 : 2; + uint32_t start_enforcement : 1; + } __packed fields; +}; + +/* Host Firmware Status Register 6 */ +union me_hfsts6 { + uint32_t data; + struct { + uint32_t force_boot_guard_acm : 1; + uint32_t cpu_debug_disable : 1; + uint32_t bsp_init_disable : 1; + uint32_t protect_bios_env : 1; + uint32_t rsvd0 : 2; + uint32_t error_enforce_policy : 2; + uint32_t measured_boot : 1; + uint32_t verified_boot : 1; + uint32_t boot_guard_acmsvn : 4; + uint32_t kmsvn : 4; + uint32_t bpmsvn : 4; + uint32_t key_manifest_id : 4; + uint32_t boot_policy_status : 1; + uint32_t error : 1; + uint32_t boot_guard_disable : 1; + uint32_t fpf_disable : 1; + uint32_t fpf_soc_lock : 1; + uint32_t txt_support : 1; + } __packed fields; +}; + +static void dump_me_status(void *unused) +{ + union me_hfsts1 hfsts1; + union me_hfsts2 hfsts2; + union me_hfsts3 hfsts3; + union me_hfsts4 hfsts4; + union me_hfsts5 hfsts5; + union me_hfsts6 hfsts6; + + if (!is_cse_enabled()) + return; + + hfsts1.data = me_read_config32(PCI_ME_HFSTS1); + hfsts2.data = me_read_config32(PCI_ME_HFSTS2); + hfsts3.data = me_read_config32(PCI_ME_HFSTS3); + hfsts4.data = me_read_config32(PCI_ME_HFSTS4); + hfsts5.data = me_read_config32(PCI_ME_HFSTS5); + hfsts6.data = me_read_config32(PCI_ME_HFSTS6); + + printk(BIOS_DEBUG, "ME: HFSTS1 : 0x%08X\n", hfsts1.data); + printk(BIOS_DEBUG, "ME: HFSTS2 : 0x%08X\n", hfsts2.data); + printk(BIOS_DEBUG, "ME: HFSTS3 : 0x%08X\n", hfsts3.data); + printk(BIOS_DEBUG, "ME: HFSTS4 : 0x%08X\n", hfsts4.data); + printk(BIOS_DEBUG, "ME: HFSTS5 : 0x%08X\n", hfsts5.data); + printk(BIOS_DEBUG, "ME: HFSTS6 : 0x%08X\n", hfsts6.data); + + /* + * Lock Descriptor, and Fuses must be programmed on a + * production system to indicate ME Manufacturing mode is disabled. + */ + printk(BIOS_DEBUG, "ME: Manufacturing Mode : %s\n", + ((hfsts1.fields.spi_protection_mode == 0) && + (hfsts6.fields.fpf_soc_lock == 1)) ? "NO" : "YES"); + /* + * The SPI Protection Mode bit reflects SPI descriptor + * locked(0) or unlocked(1). + */ + printk(BIOS_DEBUG, "ME: SPI Protection Mode Enabled : %s\n", + hfsts1.fields.spi_protection_mode ? "NO" : "YES"); + printk(BIOS_DEBUG, "ME: FW Partition Table : %s\n", + hfsts1.fields.fpt_bad ? "BAD" : "OK"); + printk(BIOS_DEBUG, "ME: Bringup Loader Failure : %s\n", + hfsts1.fields.ft_bup_ld_flr ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: Firmware Init Complete : %s\n", + hfsts1.fields.fw_init_complete ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: Boot Options Present : %s\n", + hfsts1.fields.boot_options_present ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: Update In Progress : %s\n", + hfsts1.fields.update_in_progress ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: D0i3 Support : %s\n", + hfsts1.fields.d0i3_support_valid ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: Low Power State Enabled : %s\n", + hfsts2.fields.low_power_state ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: CPU Replaced : %s\n", + hfsts2.fields.cpu_replaced ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: CPU Replacement Valid : %s\n", + hfsts2.fields.cpu_replaced_valid ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: Current Working State : %u\n", + hfsts1.fields.working_state); + printk(BIOS_DEBUG, "ME: Current Operation State : %u\n", + hfsts1.fields.operation_state); + printk(BIOS_DEBUG, "ME: Current Operation Mode : %u\n", + hfsts1.fields.operation_mode); + printk(BIOS_DEBUG, "ME: Error Code : %u\n", + hfsts1.fields.error_code); + printk(BIOS_DEBUG, "ME: Enhanced Debug Mode : %s\n", + hfsts1.fields.invoke_enhance_dbg_mode ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: CPU Debug Disabled : %s\n", + hfsts6.fields.cpu_debug_disable ? "YES" : "NO"); + printk(BIOS_DEBUG, "ME: TXT Support : %s\n", + hfsts6.fields.txt_support ? "YES" : "NO"); +} + +BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, print_me_fw_version, NULL); +BOOT_STATE_INIT_ENTRY(BS_OS_RESUME_CHECK, BS_ON_EXIT, dump_me_status, NULL); diff --git a/src/soc/intel/alderlake/pmc.c b/src/soc/intel/alderlake/pmc.c new file mode 100644 index 0000000000..e4c100933c --- /dev/null +++ b/src/soc/intel/alderlake/pmc.c @@ -0,0 +1,153 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on Intel Alder Lake Processor PCH Datasheet + * Document number: 621483 + * Chapter number: 4 + */ + +#include <acpi/acpigen.h> +#include <console/console.h> +#include <device/mmio.h> +#include <device/device.h> +#include <drivers/intel/pmc_mux/chip.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> +#include <stdint.h> + +#define PMC_HID "INTC1026" + +enum pch_pmc_xtal pmc_get_xtal_freq(void) +{ + uint8_t *const pmcbase = pmc_mmio_regs(); + + return PCH_EPOC_XTAL_FREQ(read32(pmcbase + PCH_PMC_EPOC)); +} + +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(struct device *dev) +{ + const config_t *config = config_of_soc(); + + rtc_init(); + + pmc_set_power_failure_state(true); + pmc_gpe_init(); + + 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); +} + +static void soc_pmc_read_resources(struct device *dev) +{ + struct resource *res; + + /* Add the fixed MMIO resource */ + mmio_resource(dev, 0, PCH_PWRM_BASE_ADDRESS / KiB, PCH_PWRM_BASE_SIZE / KiB); + + /* Add the fixed I/O resource */ + res = new_resource(dev, 1); + res->base = (resource_t)ACPI_BASE_ADDRESS; + res->size = (resource_t)ACPI_BASE_SIZE; + res->limit = res->base + res->size - 1; + res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; +} + +static void soc_pmc_fill_ssdt(const struct device *dev) +{ + const char *scope = acpi_device_scope(dev); + const char *name = acpi_device_name(dev); + if (!scope || !name) + return; + + acpigen_write_scope(scope); + acpigen_write_device(name); + + acpigen_write_name_string("_HID", PMC_HID); + acpigen_write_name_string("_DDN", "Intel(R) Alder Lake IPC Controller"); + + /* + * Part of the PCH's reserved 32 MB MMIO range (0xFC800000 - 0xFE7FFFFF). + * The PMC gets 0xFE000000 - 0xFE00FFFF. + */ + acpigen_write_name("_CRS"); + acpigen_write_resourcetemplate_header(); + acpigen_write_mem32fixed(1, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE); + acpigen_write_resourcetemplate_footer(); + + acpigen_pop_len(); /* PMC Device */ + acpigen_pop_len(); /* Scope */ + + printk(BIOS_INFO, "%s: %s at %s\n", acpi_device_path(dev), dev->chip_ops->name, + dev_path(dev)); +} + +static void soc_acpi_mode_init(struct device *dev) +{ + /* + * pmc_set_acpi_mode() should be delayed until BS_DEV_INIT in order + * to ensure the ordering does not break the assumptions that other + * drivers make about ACPI mode (e.g. Chrome EC). Since it disables + * ACPI mode, other drivers may take different actions based on this + * (e.g. Chrome EC will flush any pending hostevent bits). Because + * TGL has its PMC device available for device_operations, it can be + * done from the "ops->init" callback. + */ + pmc_set_acpi_mode(); +} + +struct device_operations pmc_ops = { + .read_resources = soc_pmc_read_resources, + .set_resources = noop_set_resources, + .init = soc_acpi_mode_init, + .enable = pmc_init, +#if CONFIG(HAVE_ACPI_TABLES) + .acpi_fill_ssdt = soc_pmc_fill_ssdt, +#endif + .scan_bus = scan_static_bus, +}; diff --git a/src/soc/intel/alderlake/pmutil.c b/src/soc/intel/alderlake/pmutil.c new file mode 100644 index 0000000000..79088dd781 --- /dev/null +++ b/src/soc/intel/alderlake/pmutil.c @@ -0,0 +1,292 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * Helper functions for dealing with power management registers + * and the differences between PCH variants. + */ + +/* + * This file is created based on Intel Alder Lake Processor PCH Datasheet + * Document number: 621483 + * 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 <security/vboot/vbnv.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 <types.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(); +} + +uint32_t *soc_pmc_etr_addr(void) +{ + return (uint32_t *)(soc_read_pmc_base() + ETR); +} + +void soc_get_gpi_gpe_configs(uint8_t *dw0, uint8_t *dw1, uint8_t *dw2) +{ + DEVTREE_CONST struct soc_intel_alderlake_config *config; + + config = config_of_soc(); + + /* Assign to out variable */ + *dw0 = config->pmc_gpe0_dw0; + *dw1 = config->pmc_gpe0_dw1; + *dw2 = config->pmc_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); + ps->hpr_cause0 = read32(pmc + HPR_CAUSE0); + + 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]); + + printk(BIOS_DEBUG, "HPR_CAUSE0: %08x\n", ps->hpr_cause0); +} + +/* STM Support */ +uint16_t get_pmbase(void) +{ + return (uint16_t) ACPI_BASE_ADDRESS; +} + +/* + * 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); +} diff --git a/src/soc/intel/alderlake/romstage/fsp_params.c b/src/soc/intel/alderlake/romstage/fsp_params.c index 83c84ac518..80420f0948 100644 --- a/src/soc/intel/alderlake/romstage/fsp_params.c +++ b/src/soc/intel/alderlake/romstage/fsp_params.c @@ -16,7 +16,7 @@ #include <string.h> static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, - const struct soc_intel_alderlake_dev_config *config) + const struct soc_intel_alderlake_config *config) { unsigned int i; uint32_t mask = 0; @@ -159,7 +159,7 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version) { - const struct soc_intel_alderlake_dev_config *config; + const struct soc_intel_alderlake_config *config; FSP_M_CONFIG *m_cfg = &mupd->FspmConfig; config = config_of_soc(); diff --git a/src/soc/intel/alderlake/smihandler.c b/src/soc/intel/alderlake/smihandler.c new file mode 100644 index 0000000000..a072138c96 --- /dev/null +++ b/src/soc/intel/alderlake/smihandler.c @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <device/pci_def.h> +#include <intelblocks/cse.h> +#include <intelblocks/smihandler.h> +#include <soc/soc_chip.h> +#include <soc/pci_devs.h> +#include <soc/pm.h> + +/* + * 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 ADP chipset. Hence create SMI Handler to + * perform CSME function disabling logic during SMM mode. + */ +void smihandler_soc_at_finalize(void) +{ + const struct soc_intel_alderlake_config *config; + + config = config_of_soc(); + + if (!config->HeciEnabled && CONFIG(HECI_DISABLE_USING_SMM)) + heci_disable(); +} + +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, +#if CONFIG(SOC_INTEL_COMMON_BLOCK_SMM_TCO_ENABLE) + [TCO_STS_BIT] = smihandler_southbridge_tco, +#endif + [PERIODIC_STS_BIT] = smihandler_southbridge_periodic, + [MONITOR_STS_BIT] = smihandler_southbridge_monitor, +}; diff --git a/src/soc/intel/alderlake/smmrelocate.c b/src/soc/intel/alderlake/smmrelocate.c new file mode 100644 index 0000000000..17b4f2d713 --- /dev/null +++ b/src/soc/intel/alderlake/smmrelocate.c @@ -0,0 +1,251 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <cpu/intel/common/common.h> +#include <cpu/intel/em64t101_save_state.h> +#include <cpu/intel/smm_reloc.h> +#include <cpu/x86/mp.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/mtrr.h> +#include <cpu/x86/smm.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <smp/node.h> +#include <soc/cpu.h> +#include <soc/msr.h> +#include <soc/pci_devs.h> +#include <soc/soc_chip.h> +#include <string.h> +#include <types.h> + +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); + + /* + * The SMRR MSRs are core-level registers, so if two threads that share + * a core try to both set the lock bit (in the same physical register), + * a #GP will be raised on the second write to that register (which is + * exactly what the lock is supposed to do), therefore secondary threads + * should exit here. + */ + if (intel_ht_sibling()) + return; + + /* Write SMRR MSRs based on indicated support. */ + mtrr_cap = rdmsr(MTRR_CAP_MSR); + + /* Set Lock bit if supported */ + if (mtrr_cap.lo & SMRR_LOCK_SUPPORTED) + relo_params->smrr_mask.lo |= SMRR_PHYS_MASK_LOCK; + + /* Write SMRRs if supported */ + 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(); +} diff --git a/src/soc/intel/alderlake/soundwire.c b/src/soc/intel/alderlake/soundwire.c new file mode 100644 index 0000000000..38a2c37758 --- /dev/null +++ b/src/soc/intel/alderlake/soundwire.c @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpi_soundwire.h> +#include <console/console.h> +#include <device/mmio.h> +#include <device/soundwire.h> +#include <drivers/intel/soundwire/soundwire.h> +#include <intelblocks/pmclib.h> +#include <soc/pmc.h> +#include <stddef.h> +#include <string.h> + +static const struct soundwire_link link_xtal_38_4 = { + .clock_stop_mode0_supported = 1, + .clock_stop_mode1_supported = 1, + .clock_frequencies_supported_count = 1, + .clock_frequencies_supported = { 4800 * KHz }, + .default_frame_rate = 48 * KHz, + .default_frame_row_size = 50, + .default_frame_col_size = 4, + .dynamic_frame_shape = 1, + .command_error_threshold = 16, +}; + +static const struct soundwire_link link_xtal_24 = { + .clock_stop_mode0_supported = 1, + .clock_stop_mode1_supported = 1, + .clock_frequencies_supported_count = 1, + .clock_frequencies_supported = { 6 * MHz }, + .default_frame_rate = 48 * KHz, + .default_frame_row_size = 125, + .default_frame_col_size = 2, + .dynamic_frame_shape = 1, + .command_error_threshold = 16, +}; + +static struct intel_soundwire_controller intel_controller = { + .acpi_address = 0x40000000, + .sdw = { + /* TODO: Verified Audio in nocodec mode, add codec support */ + .master_list_count = 0 + } +}; + +int soc_fill_soundwire_controller(struct intel_soundwire_controller **controller) +{ + const struct soundwire_link *link; + enum pch_pmc_xtal xtal = pmc_get_xtal_freq(); + size_t i; + + /* Select link config based on XTAL frequency and set IP clock. */ + switch (xtal) { + case XTAL_24_MHZ: + link = &link_xtal_24; + intel_controller.ip_clock = 24 * MHz; + break; + case XTAL_38_4_MHZ: + link = &link_xtal_38_4; + intel_controller.ip_clock = 38400 * KHz; + break; + case XTAL_19_2_MHZ: + default: + printk(BIOS_ERR, "%s: XTAL not supported: 0x%x\n", __func__, xtal); + return -1; + } + + /* Fill link config in controller map based on selected XTAL. */ + for (i = 0; i < intel_controller.sdw.master_list_count; i++) + memcpy(&intel_controller.sdw.master_list[i], link, sizeof(*link)); + + *controller = &intel_controller; + return 0; +} diff --git a/src/soc/intel/alderlake/spi.c b/src/soc/intel/alderlake/spi.c new file mode 100644 index 0000000000..2940de1c12 --- /dev/null +++ b/src/soc/intel/alderlake/spi.c @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +/* + * This file is created based on Intel Alder Lake Processor PCH Datasheet + * Document number: 621483 + * 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; + case PCH_DEVFN_GSPI3: + return 4; + } + return -1; +} diff --git a/src/soc/intel/alderlake/systemagent.c b/src/soc/intel/alderlake/systemagent.c new file mode 100644 index 0000000000..3e7a404c45 --- /dev/null +++ b/src/soc/intel/alderlake/systemagent.c @@ -0,0 +1,71 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on Intel Alder Lake Processor SA Datasheet + * Document number: 619503 + * 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" }, + }; + + sa_add_fixed_mmio_resources(dev, index, soc_fixed_resources, + ARRAY_SIZE(soc_fixed_resources)); + + /* Add Vt-d resources if VT-d is enabled */ + if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE)) + return; + + sa_add_fixed_mmio_resources(dev, index, soc_vtd_resources, + ARRAY_SIZE(soc_vtd_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(); + /* TODO: Add set_power_limits() */ +} + +uint32_t soc_systemagent_max_chan_capacity_mib(u8 capid0_a_ddrsz) +{ + switch (capid0_a_ddrsz) { + case 1: + return 8192; + case 2: + return 4096; + case 3: + return 2048; + default: + return 65536; + } +} diff --git a/src/soc/intel/alderlake/uart.c b/src/soc/intel/alderlake/uart.c new file mode 100644 index 0000000000..cdbf8ec123 --- /dev/null +++ b/src/soc/intel/alderlake/uart.c @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on Intel Alder Lake Processor PCH Datasheet + * Document number: 621483 + * 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; + } +} |