diff options
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/acpi.c | 538 | ||||
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/chip.h | 4 | ||||
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/soc_acpi.c | 562 |
4 files changed, 568 insertions, 538 deletions
diff --git a/src/soc/intel/xeon_sp/skx/Makefile.inc b/src/soc/intel/xeon_sp/skx/Makefile.inc index 773ced0fec..1a7e3dd564 100644 --- a/src/soc/intel/xeon_sp/skx/Makefile.inc +++ b/src/soc/intel/xeon_sp/skx/Makefile.inc @@ -19,7 +19,7 @@ romstage-y += hob_display.c romstage-$(CONFIG_DISPLAY_UPD_DATA) += upd_display.c romstage-$(CONFIG_DISPLAY_HOBS) += hob_display.c -ramstage-y += soc_util.c +ramstage-y += soc_acpi.c ramstage-y += chip.c ramstage-y += soc_util.c ramstage-y += cpu.c diff --git a/src/soc/intel/xeon_sp/skx/acpi.c b/src/soc/intel/xeon_sp/skx/acpi.c index 679aeae37c..cbafbdb07b 100644 --- a/src/soc/intel/xeon_sp/skx/acpi.c +++ b/src/soc/intel/xeon_sp/skx/acpi.c @@ -17,546 +17,12 @@ #include "chip.h" -static void uncore_inject_dsdt(void) -{ - size_t hob_size; - const uint8_t uds_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; - const IIO_UDS *hob = fsp_find_extension_hob_by_guid(uds_guid, &hob_size); - assert(hob != NULL && hob_size != 0); - - acpigen_write_scope("\\_SB"); - for (int socket = 0; socket < hob->PlatformData.numofIIO; ++socket) { - IIO_RESOURCE_INSTANCE iio_resource = - hob->PlatformData.IIO_resource[socket]; - for (int stack = 0; stack <= PSTACK2; ++stack) { - const STACK_RES *ri = &iio_resource.StackRes[stack]; - char rtname[16]; - snprintf(rtname, sizeof(rtname), "RT%02x", - (socket*MAX_IIO_STACK)+stack); - - acpigen_write_name(rtname); - printk(BIOS_DEBUG, "\tCreating ResourceTemplate %s for socket: %d, stack: %d\n", - rtname, socket, stack); - - acpigen_write_resourcetemplate_header(); - - /* bus resource */ - acpigen_resource_word(2, 0xc, 0, 0, ri->BusBase, ri->BusLimit, - 0x0, (ri->BusLimit - ri->BusBase + 1)); - - // additional io resources on socket 0 bus 0 - if (socket == 0 && stack == 0) { - /* ACPI 6.4.2.5 I/O Port Descriptor */ - acpigen_write_io16(0xCF8, 0xCFF, 0x1, 0x8, 1); - - /* IO decode CF8-CFF */ - acpigen_resource_word(1, 0xc, 0x3, 0, 0x0000, 0x03AF, - 0, 0x03B0); - acpigen_resource_word(1, 0xc, 0x3, 0, 0x03E0, 0x0CF7, - 0, 0x0918); - acpigen_resource_word(1, 0xc, 0x3, 0, 0x03B0, 0x03BB, - 0, 0x000C); - acpigen_resource_word(1, 0xc, 0x3, 0, 0x03C0, 0x03DF, - 0, 0x0020); - } - - /* IO resource */ - acpigen_resource_word(1, 0xc, 0x3, 0, ri->PciResourceIoBase, - ri->PciResourceIoLimit, 0x0, - (ri->PciResourceIoLimit - ri->PciResourceIoBase + 1)); - - // additional mem32 resources on socket 0 bus 0 - if (socket == 0 && stack == 0) { - acpigen_resource_dword(0, 0xc, 3, 0, VGA_BASE_ADDRESS, - (VGA_BASE_ADDRESS + VGA_BASE_SIZE - 1), 0x0, - VGA_BASE_SIZE); - acpigen_resource_dword(0, 0xc, 1, 0, SPI_BASE_ADDRESS, - (SPI_BASE_ADDRESS + SPI_BASE_SIZE - 1), 0x0, - SPI_BASE_SIZE); - } - - /* Mem32 resource */ - acpigen_resource_dword(0, 0xc, 1, 0, ri->PciResourceMem32Base, - ri->PciResourceMem32Limit, 0x0, - (ri->PciResourceMem32Limit - ri->PciResourceMem32Base + 1)); - - /* Mem64 resource */ - acpigen_resource_qword(0, 0xc, 1, 0, ri->PciResourceMem64Base, - ri->PciResourceMem64Limit, 0x0, - (ri->PciResourceMem64Limit - ri->PciResourceMem64Base + 1)); - - acpigen_write_resourcetemplate_footer(); - } - } - acpigen_pop_len(); -} - -static unsigned long xeonsp_acpi_create_madt_lapics(unsigned long current) -{ - struct device *cpu; - int num_cpus = 0; - - for (cpu = all_devices; cpu; cpu = cpu->next) { - if ((cpu->path.type != DEVICE_PATH_APIC) || - (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) { - continue; - } - if (!cpu->enabled) - continue; - current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, - num_cpus, cpu->path.apic.apic_id); - } - - return current; -} - -unsigned long acpi_create_srat_lapics(unsigned long current) -{ - struct device *cpu; - int cpu_index = 0; - - for (cpu = all_devices; cpu; cpu = cpu->next) { - if ((cpu->path.type != DEVICE_PATH_APIC) || - (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) { - continue; - } - if (!cpu->enabled) - continue; - printk(BIOS_DEBUG, "SRAT: lapic cpu_index=%02x, node_id=%02x, apic_id=%02x\n", - cpu_index, cpu->path.apic.node_id, cpu->path.apic.apic_id); - current += acpi_create_srat_lapic((acpi_srat_lapic_t *)current, - cpu->path.apic.node_id, cpu->path.apic.apic_id); - cpu_index++; - } - return current; -} - -static unsigned long acpi_fill_srat(unsigned long current) -{ - acpi_srat_mem_t srat_mem[MAX_ACPI_MEMORY_AFFINITY_COUNT]; - unsigned int mem_count; - - /* create all subtables for processors */ - current = acpi_create_srat_lapics(current); - - mem_count = get_srat_memory_entries(srat_mem); - for (int i = 0; i < mem_count; ++i) { - printk(BIOS_DEBUG, "adding srat memory %d entry length: %d, addr: 0x%x%x, " - "length: 0x%x%x, proximity_domain: %d, flags: %x\n", - i, srat_mem[i].length, - srat_mem[i].base_address_high, srat_mem[i].base_address_low, - srat_mem[i].length_high, srat_mem[i].length_low, - srat_mem[i].proximity_domain, srat_mem[i].flags); - memcpy((acpi_srat_mem_t *)current, &srat_mem[i], sizeof(srat_mem[i])); - current += srat_mem[i].length; - } - - return current; -} - -static unsigned long acpi_fill_slit(unsigned long current) -{ - int nodes = get_cpu_count(); - - uint8_t *p = (uint8_t *)current; - memset(p, 0, 8 + nodes * nodes); - *p = (uint8_t)nodes; - p += 8; - - /* this assumes fully connected socket topology */ - for (int i = 0; i < nodes; i++) { - for (int j = 0; j < nodes; j++) { - if (i == j) - p[i*nodes+j] = 10; - else - p[i*nodes+j] = 16; - } - } - - current += 8+nodes*nodes; - return current; -} - -static int get_stack_for_port(int p) -{ - if (p == 0) - return CSTACK; - else if (p >= PORT_1A && p <= PORT_1D) - return PSTACK0; - else if (p >= PORT_2A && p <= PORT_2D) - return PSTACK1; - else if (p >= PORT_3A && p <= PORT_3D) - return PSTACK2; - else if (p >= PORT_4A && p <= PORT_4D) - return PSTACK3; // MCP0 - else - return PSTACK4; // MCP1 -} - -static unsigned long acpi_create_drhd(unsigned long current, int socket, int stack) -{ - int IoApicID[] = { - // socket 0 - PC00_IOAPIC_ID, PC01_IOAPIC_ID, PC02_IOAPIC_ID, PC03_IOAPIC_ID, - PC04_IOAPIC_ID, PC05_IOAPIC_ID, - // socket 1 - PC06_IOAPIC_ID, PC07_IOAPIC_ID, PC08_IOAPIC_ID, PC09_IOAPIC_ID, - PC10_IOAPIC_ID, PC11_IOAPIC_ID, - }; - - uint32_t enum_id; - unsigned long tmp = current; - - size_t hob_size; - const uint8_t fsp_hob_iio_universal_data_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; - const IIO_UDS *hob = fsp_find_extension_hob_by_guid( - fsp_hob_iio_universal_data_guid, &hob_size); - assert(hob != NULL && hob_size != 0); - - uint32_t bus = hob->PlatformData.CpuQpiInfo[socket].StackBus[stack]; - uint32_t pcie_seg = hob->PlatformData.CpuQpiInfo[socket].PcieSegment; - uint32_t reg_base = - hob->PlatformData.IIO_resource[socket].StackRes[stack].VtdBarAddress; - printk(BIOS_SPEW, "%s socket: %d, stack: %d, bus: 0x%x, pcie_seg: 0x%x, reg_base: 0x%x\n", - __func__, socket, stack, bus, pcie_seg, reg_base); - - // Add DRHD Hardware Unit - if (socket == 0 && stack == CSTACK) { - printk(BIOS_DEBUG, "[Hardware Unit Definition] Flags: 0x%x, PCI Segment Number: 0x%x, " - "Register Base Address: 0x%x\n", - DRHD_INCLUDE_PCI_ALL, pcie_seg, reg_base); - current += acpi_create_dmar_drhd(current, DRHD_INCLUDE_PCI_ALL, - pcie_seg, reg_base); - } else { - printk(BIOS_DEBUG, "[Hardware Unit Definition] Flags: 0x%x, PCI Segment Number: 0x%x, " - "Register Base Address: 0x%x\n", 0, pcie_seg, reg_base); - current += acpi_create_dmar_drhd(current, 0, pcie_seg, reg_base); - } - - // Add PCH IOAPIC - if (socket == 0 && stack == CSTACK) { - printk(BIOS_DEBUG, " [IOAPIC Device] Enumeration ID: 0x%x, PCI Bus Number: 0x%x, " - "PCI Path: 0x%x, 0x%x\n", - PCH_IOAPIC_ID, PCH_IOAPIC_BUS_NUMBER, - PCH_IOAPIC_DEV_NUM, PCH_IOAPIC_FUNC_NUM); - current += acpi_create_dmar_ds_ioapic(current, PCH_IOAPIC_ID, - PCH_IOAPIC_BUS_NUMBER, PCH_IOAPIC_DEV_NUM, PCH_IOAPIC_FUNC_NUM); - } - - // Add IOAPIC entry - enum_id = IoApicID[(socket*MAX_IIO_STACK)+stack]; - printk(BIOS_DEBUG, " [IOAPIC Device] Enumeration ID: 0x%x, PCI Bus Number: 0x%x, " - "PCI Path: 0x%x, 0x%x\n", enum_id, bus, APIC_DEV_NUM, APIC_FUNC_NUM); - current += acpi_create_dmar_ds_ioapic(current, enum_id, bus, - APIC_DEV_NUM, APIC_FUNC_NUM); - - // Add CBDMA devices for CSTACK - if (socket != 0 && stack == CSTACK) { - for (int cbdma_func_id = 0; cbdma_func_id < 8; ++cbdma_func_id) { - printk(BIOS_DEBUG, " [PCI Endpoint Device] Enumeration ID: 0x%x, " - "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", - 0, bus, CBDMA_DEV_NUM, cbdma_func_id); - current += acpi_create_dmar_ds_pci(current, - bus, CBDMA_DEV_NUM, cbdma_func_id); - } - } - - // Add PCIe Ports - if (socket != 0 || stack != CSTACK) { - IIO_RESOURCE_INSTANCE iio_resource = - hob->PlatformData.IIO_resource[socket]; - for (int p = 0; p < NUMBER_PORTS_PER_SOCKET; ++p) { - if (get_stack_for_port(p) != stack) - continue; - - uint32_t dev = iio_resource.PcieInfo.PortInfo[p].Device; - uint32_t func = iio_resource.PcieInfo.PortInfo[p].Function; - - uint32_t id = pci_mmio_read_config32(PCI_DEV(bus, dev, func), - PCI_VENDOR_ID); - if (id == 0xffffffff) - continue; - - printk(BIOS_DEBUG, " [PCI Bridge Device] Enumeration ID: 0x%x, " - "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", - 0, bus, dev, func); - current += acpi_create_dmar_ds_pci_br(current, - bus, dev, func); - } - - // Add VMD - if (hob->PlatformData.VMDStackEnable[socket][stack] && - stack >= PSTACK0 && stack <= PSTACK2) { - printk(BIOS_DEBUG, " [PCI Endpoint Device] Enumeration ID: 0x%x, " - "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", - 0, bus, VMD_DEV_NUM, VMD_FUNC_NUM); - current += acpi_create_dmar_ds_pci(current, - bus, VMD_DEV_NUM, VMD_FUNC_NUM); - } - } - - // Add HPET - if (socket == 0 && stack == CSTACK) { - uint16_t hpet_capid = read16((void *)HPET_BASE_ADDRESS); - uint16_t num_hpets = (hpet_capid >> 0x08) & 0x1F; // Bits [8:12] has hpet count - printk(BIOS_SPEW, "%s hpet_capid: 0x%x, num_hpets: 0x%x\n", - __func__, hpet_capid, num_hpets); - //BIT 15 - if (num_hpets && (num_hpets != 0x1f) && - (read32((void *)(HPET_BASE_ADDRESS + 0x100)) & (0x00008000))) { - printk(BIOS_DEBUG, " [Message-capable HPET Device] Enumeration ID: 0x%x, " - "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", - 0, HPET_BUS_NUM, HPET_DEV_NUM, HPET0_FUNC_NUM); - current += acpi_create_dmar_ds_msi_hpet(current, 0, HPET_BUS_NUM, - HPET_DEV_NUM, HPET0_FUNC_NUM); - } - } - - acpi_dmar_drhd_fixup(tmp, current); - - return current; -} - -static unsigned long acpi_create_atsr(unsigned long current) -{ - size_t hob_size; - const uint8_t uds_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; - const IIO_UDS *hob = fsp_find_extension_hob_by_guid(uds_guid, &hob_size); - assert(hob != NULL && hob_size != 0); - - for (int socket = 0; socket < hob->PlatformData.numofIIO; ++socket) { - uint32_t pcie_seg = hob->PlatformData.CpuQpiInfo[socket].PcieSegment; - unsigned long tmp = current; - bool first = true; - IIO_RESOURCE_INSTANCE iio_resource = - hob->PlatformData.IIO_resource[socket]; - - for (int stack = 0; stack <= PSTACK2; ++stack) { - uint32_t bus = hob->PlatformData.CpuQpiInfo[socket].StackBus[stack]; - uint32_t vtd_base = iio_resource.StackRes[stack].VtdBarAddress; - if (!vtd_base) - continue; - uint64_t vtd_mmio_cap = read64((void *)(vtd_base + VTD_EXT_CAP_LOW)); - printk(BIOS_SPEW, "%s socket: %d, stack: %d, bus: 0x%x, vtd_base: 0x%x, " - "vtd_mmio_cap: 0x%llx\n", - __func__, socket, stack, bus, vtd_base, vtd_mmio_cap); - - // ATSR is applicable only for platform supporting device IOTLBs - // through the VT-d extended capability register - assert(vtd_mmio_cap != 0xffffffffffffffff); - if ((vtd_mmio_cap & 0x4) == 0) // BIT 2 - continue; - - for (int p = 0; p < NUMBER_PORTS_PER_SOCKET; ++p) { - if (socket == 0 && p == 0) - continue; - if (get_stack_for_port(p) != stack) - continue; - - uint32_t dev = iio_resource.PcieInfo.PortInfo[p].Device; - uint32_t func = iio_resource.PcieInfo.PortInfo[p].Function; - - u32 id = pci_mmio_read_config32(PCI_DEV(bus, dev, func), - PCI_VENDOR_ID); - if (id == 0xffffffff) - continue; - - if (first) { - printk(BIOS_DEBUG, "[Root Port ATS Capability] Flags: 0x%x, " - "PCI Segment Number: 0x%x\n", - 0, pcie_seg); - current += acpi_create_dmar_atsr(current, 0, pcie_seg); - first = 0; - } - - printk(BIOS_DEBUG, " [PCI Bridge Device] Enumeration ID: 0x%x, " - "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", - 0, bus, dev, func); - current += acpi_create_dmar_ds_pci_br(current, bus, dev, func); - } - } - if (tmp != current) - acpi_dmar_atsr_fixup(tmp, current); - } - - return current; -} - -static unsigned long acpi_create_rmrr(unsigned long current) -{ - uint32_t size = ALIGN_UP(MEM_BLK_COUNT * sizeof(MEM_BLK), 0x1000); - - uint32_t *ptr; - - // reserve memory - ptr = cbmem_find(CBMEM_ID_STORAGE_DATA); - if (!ptr) { - ptr = cbmem_add(CBMEM_ID_STORAGE_DATA, size); - assert(ptr != NULL); - memset(ptr, 0, size); - } - - unsigned long tmp = current; - printk(BIOS_DEBUG, "[Reserved Memory Region] PCI Segment Number: 0x%x, Base Address: 0x%x, " - "End Address (limit): 0x%x\n", - 0, (uint32_t) ptr, (uint32_t) ((uint32_t) ptr + size - 1)); - current += acpi_create_dmar_rmrr(current, 0, (uint32_t) ptr, - (uint32_t) ((uint32_t) ptr + size - 1)); - - printk(BIOS_DEBUG, " [PCI Endpoint Device] Enumeration ID: 0x%x, PCI Bus Number: 0x%x, " - "PCI Path: 0x%x, 0x%x\n", - 0, XHCI_BUS_NUMBER, PCH_DEV_SLOT_XHCI, XHCI_FUNC_NUM); - current += acpi_create_dmar_ds_pci(current, XHCI_BUS_NUMBER, - PCH_DEV_SLOT_XHCI, XHCI_FUNC_NUM); - - acpi_dmar_rmrr_fixup(tmp, current); - - return current; -} - -static unsigned long acpi_create_rhsa(unsigned long current) -{ - size_t hob_size; - const uint8_t uds_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; - const IIO_UDS *hob = fsp_find_extension_hob_by_guid(uds_guid, &hob_size); - assert(hob != NULL && hob_size != 0); - - for (int socket = 0; socket < hob->PlatformData.numofIIO; ++socket) { - IIO_RESOURCE_INSTANCE iio_resource = - hob->PlatformData.IIO_resource[socket]; - for (int stack = 0; stack <= PSTACK2; ++stack) { - uint32_t vtd_base = iio_resource.StackRes[stack].VtdBarAddress; - if (!vtd_base) - continue; - - printk(BIOS_DEBUG, "[Remapping Hardware Static Affinity] Base Address: 0x%x, " - "Proximity Domain: 0x%x\n", vtd_base, socket); - current += acpi_create_dmar_rhsa(current, vtd_base, socket); - } - } - - return current; -} - -static unsigned long acpi_fill_dmar(unsigned long current) -{ - size_t hob_size; - const uint8_t uds_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; - const IIO_UDS *hob = fsp_find_extension_hob_by_guid(uds_guid, &hob_size); - assert(hob != NULL && hob_size != 0); - - // DRHD - for (int iio = 1; iio <= hob->PlatformData.numofIIO; ++iio) { - int socket = iio; - if (socket == hob->PlatformData.numofIIO) // socket 0 should be last DRHD entry - socket = 0; - - if (socket == 0) { - for (int stack = 1; stack <= PSTACK2; ++stack) - current = acpi_create_drhd(current, socket, stack); - current = acpi_create_drhd(current, socket, CSTACK); - } else { - for (int stack = 0; stack <= PSTACK2; ++stack) - current = acpi_create_drhd(current, socket, stack); - } - } - - // RMRR - current = acpi_create_rmrr(current); - - // ATSR - causes hang - current = acpi_create_atsr(current); - - // RHSA - current = acpi_create_rhsa(current); - - return current; -} - -unsigned long northbridge_write_acpi_tables(const struct device *device, - unsigned long current, - struct acpi_rsdp *rsdp) -{ - acpi_srat_t *srat; - acpi_slit_t *slit; - acpi_dmar_t *dmar; - - const struct soc_intel_xeon_sp_skx_config *const config = config_of(device); - - /* SRAT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); - srat = (acpi_srat_t *) current; - acpi_create_srat(srat, acpi_fill_srat); - current += srat->header.length; - acpi_add_table(rsdp, srat); - - /* SLIT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); - slit = (acpi_slit_t *) current; - acpi_create_slit(slit, acpi_fill_slit); - current += slit->header.length; - acpi_add_table(rsdp, slit); - - /* DMAR */ - if (config->vtd_support) { - current = ALIGN(current, 8); - dmar = (acpi_dmar_t *)current; - printk(BIOS_DEBUG, "ACPI: * DMAR\n"); - printk(BIOS_DEBUG, "[DMA Remapping table] Flags: 0x%x\n", - (DMAR_INTR_REMAP | DMAR_X2APIC_OPT_OUT)); - acpi_create_dmar(dmar, (DMAR_INTR_REMAP | DMAR_X2APIC_OPT_OUT), acpi_fill_dmar); - current += dmar->header.length; - current = acpi_align_current(current); - acpi_add_table(rsdp, dmar); - } - - return current; -} - -void acpi_init_gnvs(struct global_nvs *gnvs) -{ - /* CPU core count */ - gnvs->pcnt = dev_count_cpu(); - printk(BIOS_DEBUG, "%s gnvs->pcnt: %d\n", __func__, gnvs->pcnt); - - /* Update the mem console pointer. */ - if (CONFIG(CONSOLE_CBMEM)) - gnvs->cbmc = (uint32_t)cbmem_find(CBMEM_ID_CONSOLE); -} - -uint32_t soc_read_sci_irq_select(void) -{ - struct device *dev = PCH_DEV_PMC; - - if (!dev) - return 0; - - return pci_read_config32(dev, PMC_ACPI_CNT); -} - -int soc_madt_sci_irq_polarity(int sci) -{ - if (sci >= 20) - return MP_IRQ_POLARITY_LOW; - else - return MP_IRQ_POLARITY_HIGH; -} - acpi_cstate_t *soc_get_cstate_map(size_t *entries) { *entries = 0; return NULL; } -unsigned long acpi_fill_mcfg(unsigned long current) -{ - current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current, - CONFIG_MMCONF_BASE_ADDRESS, 0, 0, 255); - return current; -} - static int acpi_sci_irq(void) { int sci_irq = 9; @@ -788,9 +254,7 @@ void southbridge_inject_dsdt(const struct device *device) uncore_inject_dsdt(); } -void generate_p_state_entries(int core, int cores_per_package) -{ -} + static acpi_tstate_t xeon_sp_tss_table[] = { { 100, 1000, 0, 0x00, 0 }, diff --git a/src/soc/intel/xeon_sp/skx/chip.h b/src/soc/intel/xeon_sp/skx/chip.h index 08608997b3..adb70e58d0 100644 --- a/src/soc/intel/xeon_sp/skx/chip.h +++ b/src/soc/intel/xeon_sp/skx/chip.h @@ -76,4 +76,8 @@ struct soc_intel_xeon_sp_skx_config { typedef struct soc_intel_xeon_sp_skx_config config_t; +/* soc acpi function prototypes. To be removed when acpi.c is replaced by common/acpi.c */ +void uncore_inject_dsdt(void); +unsigned long xeonsp_acpi_create_madt_lapics(unsigned long current); + #endif diff --git a/src/soc/intel/xeon_sp/skx/soc_acpi.c b/src/soc/intel/xeon_sp/skx/soc_acpi.c new file mode 100644 index 0000000000..aeac5ab035 --- /dev/null +++ b/src/soc/intel/xeon_sp/skx/soc_acpi.c @@ -0,0 +1,562 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpi_gnvs.h> +#include <acpi/acpigen.h> +#include <arch/smp/mpspec.h> +#include <assert.h> +#include <cbmem.h> +#include <cpu/intel/turbo.h> +#include <device/mmio.h> +#include <device/pci.h> +#include <intelblocks/acpi.h> +#include <soc/acpi.h> +#include <soc/cpu.h> +#include <soc/iomap.h> +#include <device/mmio.h> +#include <soc/msr.h> +#include <soc/pci_devs.h> +#include <soc/pm.h> +#include <soc/soc_util.h> + +#include "chip.h" + +/* TODO: Check if the common/acpi weak function can be used */ +unsigned long acpi_fill_mcfg(unsigned long current) +{ + current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current, + CONFIG_MMCONF_BASE_ADDRESS, 0, 0, 255); + return current; +} + +void acpi_init_gnvs(struct global_nvs *gnvs) +{ + /* CPU core count */ + gnvs->pcnt = dev_count_cpu(); + printk(BIOS_DEBUG, "%s gnvs->pcnt: %d\n", __func__, gnvs->pcnt); + + /* Update the mem console pointer. */ + if (CONFIG(CONSOLE_CBMEM)) + gnvs->cbmc = (uint32_t)cbmem_find(CBMEM_ID_CONSOLE); +} + +int soc_madt_sci_irq_polarity(int sci) +{ + if (sci >= 20) + return MP_IRQ_POLARITY_LOW; + else + return MP_IRQ_POLARITY_HIGH; +} + +uint32_t soc_read_sci_irq_select(void) +{ + struct device *dev = PCH_DEV_PMC; + + if (!dev) + return 0; + + return pci_read_config32(dev, PMC_ACPI_CNT); +} + +/* + * Currently called in southbridge_inject_dsdt(). Change to soc_southbridge_inject_dsdt() + * with a call from the common/function or find another way to call this at the correct place + */ +void uncore_inject_dsdt(void) +{ + size_t hob_size; + const uint8_t uds_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; + const IIO_UDS *hob = fsp_find_extension_hob_by_guid(uds_guid, &hob_size); + assert(hob != NULL && hob_size != 0); + + acpigen_write_scope("\\_SB"); + for (int socket = 0; socket < hob->PlatformData.numofIIO; ++socket) { + IIO_RESOURCE_INSTANCE iio_resource = + hob->PlatformData.IIO_resource[socket]; + for (int stack = 0; stack <= PSTACK2; ++stack) { + const STACK_RES *ri = &iio_resource.StackRes[stack]; + char rtname[16]; + snprintf(rtname, sizeof(rtname), "RT%02x", + (socket*MAX_IIO_STACK)+stack); + + acpigen_write_name(rtname); + printk(BIOS_DEBUG, "\tCreating ResourceTemplate %s for socket: %d, stack: %d\n", + rtname, socket, stack); + + acpigen_write_resourcetemplate_header(); + + /* bus resource */ + acpigen_resource_word(2, 0xc, 0, 0, ri->BusBase, ri->BusLimit, + 0x0, (ri->BusLimit - ri->BusBase + 1)); + + // additional io resources on socket 0 bus 0 + if (socket == 0 && stack == 0) { + /* ACPI 6.4.2.5 I/O Port Descriptor */ + acpigen_write_io16(0xCF8, 0xCFF, 0x1, 0x8, 1); + + /* IO decode CF8-CFF */ + acpigen_resource_word(1, 0xc, 0x3, 0, 0x0000, 0x03AF, + 0, 0x03B0); + acpigen_resource_word(1, 0xc, 0x3, 0, 0x03E0, 0x0CF7, + 0, 0x0918); + acpigen_resource_word(1, 0xc, 0x3, 0, 0x03B0, 0x03BB, + 0, 0x000C); + acpigen_resource_word(1, 0xc, 0x3, 0, 0x03C0, 0x03DF, + 0, 0x0020); + } + + /* IO resource */ + acpigen_resource_word(1, 0xc, 0x3, 0, ri->PciResourceIoBase, + ri->PciResourceIoLimit, 0x0, + (ri->PciResourceIoLimit - ri->PciResourceIoBase + 1)); + + // additional mem32 resources on socket 0 bus 0 + if (socket == 0 && stack == 0) { + acpigen_resource_dword(0, 0xc, 3, 0, VGA_BASE_ADDRESS, + (VGA_BASE_ADDRESS + VGA_BASE_SIZE - 1), 0x0, + VGA_BASE_SIZE); + acpigen_resource_dword(0, 0xc, 1, 0, SPI_BASE_ADDRESS, + (SPI_BASE_ADDRESS + SPI_BASE_SIZE - 1), 0x0, + SPI_BASE_SIZE); + } + + /* Mem32 resource */ + acpigen_resource_dword(0, 0xc, 1, 0, ri->PciResourceMem32Base, + ri->PciResourceMem32Limit, 0x0, + (ri->PciResourceMem32Limit - ri->PciResourceMem32Base + 1)); + + /* Mem64 resource */ + acpigen_resource_qword(0, 0xc, 1, 0, ri->PciResourceMem64Base, + ri->PciResourceMem64Limit, 0x0, + (ri->PciResourceMem64Limit - ri->PciResourceMem64Base + 1)); + + acpigen_write_resourcetemplate_footer(); + } + } + acpigen_pop_len(); +} + +unsigned long xeonsp_acpi_create_madt_lapics(unsigned long current) +{ + struct device *cpu; + int num_cpus = 0; + + for (cpu = all_devices; cpu; cpu = cpu->next) { + if ((cpu->path.type != DEVICE_PATH_APIC) || + (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) { + continue; + } + if (!cpu->enabled) + continue; + current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, + num_cpus, cpu->path.apic.apic_id); + } + + return current; +} + +/* Northbridge SRAT,SLIT, etc. Make a common entry point and use. */ +unsigned long acpi_create_srat_lapics(unsigned long current) +{ + struct device *cpu; + int cpu_index = 0; + + for (cpu = all_devices; cpu; cpu = cpu->next) { + if ((cpu->path.type != DEVICE_PATH_APIC) || + (cpu->bus->dev->path.type != DEVICE_PATH_CPU_CLUSTER)) { + continue; + } + if (!cpu->enabled) + continue; + printk(BIOS_DEBUG, "SRAT: lapic cpu_index=%02x, node_id=%02x, apic_id=%02x\n", + cpu_index, cpu->path.apic.node_id, cpu->path.apic.apic_id); + current += acpi_create_srat_lapic((acpi_srat_lapic_t *)current, + cpu->path.apic.node_id, cpu->path.apic.apic_id); + cpu_index++; + } + return current; +} + +static unsigned long acpi_fill_srat(unsigned long current) +{ + acpi_srat_mem_t srat_mem[MAX_ACPI_MEMORY_AFFINITY_COUNT]; + unsigned int mem_count; + + /* create all subtables for processors */ + current = acpi_create_srat_lapics(current); + + mem_count = get_srat_memory_entries(srat_mem); + for (int i = 0; i < mem_count; ++i) { + printk(BIOS_DEBUG, "adding srat memory %d entry length: %d, addr: 0x%x%x, " + "length: 0x%x%x, proximity_domain: %d, flags: %x\n", + i, srat_mem[i].length, + srat_mem[i].base_address_high, srat_mem[i].base_address_low, + srat_mem[i].length_high, srat_mem[i].length_low, + srat_mem[i].proximity_domain, srat_mem[i].flags); + memcpy((acpi_srat_mem_t *)current, &srat_mem[i], sizeof(srat_mem[i])); + current += srat_mem[i].length; + } + + return current; +} + +static unsigned long acpi_fill_slit(unsigned long current) +{ + int nodes = get_cpu_count(); + + uint8_t *p = (uint8_t *)current; + memset(p, 0, 8 + nodes * nodes); + *p = (uint8_t)nodes; + p += 8; + + /* this assumes fully connected socket topology */ + for (int i = 0; i < nodes; i++) { + for (int j = 0; j < nodes; j++) { + if (i == j) + p[i*nodes+j] = 10; + else + p[i*nodes+j] = 16; + } + } + + current += 8+nodes*nodes; + return current; +} + + +static int get_stack_for_port(int p) +{ + if (p == 0) + return CSTACK; + else if (p >= PORT_1A && p <= PORT_1D) + return PSTACK0; + else if (p >= PORT_2A && p <= PORT_2D) + return PSTACK1; + else if (p >= PORT_3A && p <= PORT_3D) + return PSTACK2; + else if (p >= PORT_4A && p <= PORT_4D) + return PSTACK3; // MCP0 + else + return PSTACK4; // MCP1 +} + +static unsigned long acpi_create_drhd(unsigned long current, int socket, int stack) +{ + int IoApicID[] = { + // socket 0 + PC00_IOAPIC_ID, PC01_IOAPIC_ID, PC02_IOAPIC_ID, PC03_IOAPIC_ID, + PC04_IOAPIC_ID, PC05_IOAPIC_ID, + // socket 1 + PC06_IOAPIC_ID, PC07_IOAPIC_ID, PC08_IOAPIC_ID, PC09_IOAPIC_ID, + PC10_IOAPIC_ID, PC11_IOAPIC_ID, + }; + + uint32_t enum_id; + unsigned long tmp = current; + + size_t hob_size; + const uint8_t fsp_hob_iio_universal_data_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; + const IIO_UDS *hob = fsp_find_extension_hob_by_guid( + fsp_hob_iio_universal_data_guid, &hob_size); + assert(hob != NULL && hob_size != 0); + + uint32_t bus = hob->PlatformData.CpuQpiInfo[socket].StackBus[stack]; + uint32_t pcie_seg = hob->PlatformData.CpuQpiInfo[socket].PcieSegment; + uint32_t reg_base = + hob->PlatformData.IIO_resource[socket].StackRes[stack].VtdBarAddress; + printk(BIOS_SPEW, "%s socket: %d, stack: %d, bus: 0x%x, pcie_seg: 0x%x, reg_base: 0x%x\n", + __func__, socket, stack, bus, pcie_seg, reg_base); + + // Add DRHD Hardware Unit + if (socket == 0 && stack == CSTACK) { + printk(BIOS_DEBUG, "[Hardware Unit Definition] Flags: 0x%x, PCI Segment Number: 0x%x, " + "Register Base Address: 0x%x\n", + DRHD_INCLUDE_PCI_ALL, pcie_seg, reg_base); + current += acpi_create_dmar_drhd(current, DRHD_INCLUDE_PCI_ALL, + pcie_seg, reg_base); + } else { + printk(BIOS_DEBUG, "[Hardware Unit Definition] Flags: 0x%x, PCI Segment Number: 0x%x, " + "Register Base Address: 0x%x\n", 0, pcie_seg, reg_base); + current += acpi_create_dmar_drhd(current, 0, pcie_seg, reg_base); + } + + // Add PCH IOAPIC + if (socket == 0 && stack == CSTACK) { + printk(BIOS_DEBUG, " [IOAPIC Device] Enumeration ID: 0x%x, PCI Bus Number: 0x%x, " + "PCI Path: 0x%x, 0x%x\n", + PCH_IOAPIC_ID, PCH_IOAPIC_BUS_NUMBER, + PCH_IOAPIC_DEV_NUM, PCH_IOAPIC_FUNC_NUM); + current += acpi_create_dmar_ds_ioapic(current, PCH_IOAPIC_ID, + PCH_IOAPIC_BUS_NUMBER, PCH_IOAPIC_DEV_NUM, PCH_IOAPIC_FUNC_NUM); + } + + // Add IOAPIC entry + enum_id = IoApicID[(socket*MAX_IIO_STACK)+stack]; + printk(BIOS_DEBUG, " [IOAPIC Device] Enumeration ID: 0x%x, PCI Bus Number: 0x%x, " + "PCI Path: 0x%x, 0x%x\n", enum_id, bus, APIC_DEV_NUM, APIC_FUNC_NUM); + current += acpi_create_dmar_ds_ioapic(current, enum_id, bus, + APIC_DEV_NUM, APIC_FUNC_NUM); + + // Add CBDMA devices for CSTACK + if (socket != 0 && stack == CSTACK) { + for (int cbdma_func_id = 0; cbdma_func_id < 8; ++cbdma_func_id) { + printk(BIOS_DEBUG, " [PCI Endpoint Device] Enumeration ID: 0x%x, " + "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", + 0, bus, CBDMA_DEV_NUM, cbdma_func_id); + current += acpi_create_dmar_ds_pci(current, + bus, CBDMA_DEV_NUM, cbdma_func_id); + } + } + + // Add PCIe Ports + if (socket != 0 || stack != CSTACK) { + IIO_RESOURCE_INSTANCE iio_resource = + hob->PlatformData.IIO_resource[socket]; + for (int p = 0; p < NUMBER_PORTS_PER_SOCKET; ++p) { + if (get_stack_for_port(p) != stack) + continue; + + uint32_t dev = iio_resource.PcieInfo.PortInfo[p].Device; + uint32_t func = iio_resource.PcieInfo.PortInfo[p].Function; + + uint32_t id = pci_mmio_read_config32(PCI_DEV(bus, dev, func), + PCI_VENDOR_ID); + if (id == 0xffffffff) + continue; + + printk(BIOS_DEBUG, " [PCI Bridge Device] Enumeration ID: 0x%x, " + "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", + 0, bus, dev, func); + current += acpi_create_dmar_ds_pci_br(current, + bus, dev, func); + } + + // Add VMD + if (hob->PlatformData.VMDStackEnable[socket][stack] && + stack >= PSTACK0 && stack <= PSTACK2) { + printk(BIOS_DEBUG, " [PCI Endpoint Device] Enumeration ID: 0x%x, " + "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", + 0, bus, VMD_DEV_NUM, VMD_FUNC_NUM); + current += acpi_create_dmar_ds_pci(current, + bus, VMD_DEV_NUM, VMD_FUNC_NUM); + } + } + + // Add HPET + if (socket == 0 && stack == CSTACK) { + uint16_t hpet_capid = read16((void *)HPET_BASE_ADDRESS); + uint16_t num_hpets = (hpet_capid >> 0x08) & 0x1F; // Bits [8:12] has hpet count + printk(BIOS_SPEW, "%s hpet_capid: 0x%x, num_hpets: 0x%x\n", + __func__, hpet_capid, num_hpets); + //BIT 15 + if (num_hpets && (num_hpets != 0x1f) && + (read32((void *)(HPET_BASE_ADDRESS + 0x100)) & (0x00008000))) { + printk(BIOS_DEBUG, " [Message-capable HPET Device] Enumeration ID: 0x%x, " + "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", + 0, HPET_BUS_NUM, HPET_DEV_NUM, HPET0_FUNC_NUM); + current += acpi_create_dmar_ds_msi_hpet(current, 0, HPET_BUS_NUM, + HPET_DEV_NUM, HPET0_FUNC_NUM); + } + } + + acpi_dmar_drhd_fixup(tmp, current); + + return current; +} + +static unsigned long acpi_create_atsr(unsigned long current) +{ + size_t hob_size; + const uint8_t uds_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; + const IIO_UDS *hob = fsp_find_extension_hob_by_guid(uds_guid, &hob_size); + assert(hob != NULL && hob_size != 0); + + for (int socket = 0; socket < hob->PlatformData.numofIIO; ++socket) { + uint32_t pcie_seg = hob->PlatformData.CpuQpiInfo[socket].PcieSegment; + unsigned long tmp = current; + bool first = true; + IIO_RESOURCE_INSTANCE iio_resource = + hob->PlatformData.IIO_resource[socket]; + + for (int stack = 0; stack <= PSTACK2; ++stack) { + uint32_t bus = hob->PlatformData.CpuQpiInfo[socket].StackBus[stack]; + uint32_t vtd_base = iio_resource.StackRes[stack].VtdBarAddress; + if (!vtd_base) + continue; + uint64_t vtd_mmio_cap = read64((void *)(vtd_base + VTD_EXT_CAP_LOW)); + printk(BIOS_SPEW, "%s socket: %d, stack: %d, bus: 0x%x, vtd_base: 0x%x, " + "vtd_mmio_cap: 0x%llx\n", + __func__, socket, stack, bus, vtd_base, vtd_mmio_cap); + + // ATSR is applicable only for platform supporting device IOTLBs + // through the VT-d extended capability register + assert(vtd_mmio_cap != 0xffffffffffffffff); + if ((vtd_mmio_cap & 0x4) == 0) // BIT 2 + continue; + + for (int p = 0; p < NUMBER_PORTS_PER_SOCKET; ++p) { + if (socket == 0 && p == 0) + continue; + if (get_stack_for_port(p) != stack) + continue; + + uint32_t dev = iio_resource.PcieInfo.PortInfo[p].Device; + uint32_t func = iio_resource.PcieInfo.PortInfo[p].Function; + + u32 id = pci_mmio_read_config32(PCI_DEV(bus, dev, func), + PCI_VENDOR_ID); + if (id == 0xffffffff) + continue; + + if (first) { + printk(BIOS_DEBUG, "[Root Port ATS Capability] Flags: 0x%x, " + "PCI Segment Number: 0x%x\n", + 0, pcie_seg); + current += acpi_create_dmar_atsr(current, 0, pcie_seg); + first = 0; + } + + printk(BIOS_DEBUG, " [PCI Bridge Device] Enumeration ID: 0x%x, " + "PCI Bus Number: 0x%x, PCI Path: 0x%x, 0x%x\n", + 0, bus, dev, func); + current += acpi_create_dmar_ds_pci_br(current, bus, dev, func); + } + } + if (tmp != current) + acpi_dmar_atsr_fixup(tmp, current); + } + + return current; +} + +static unsigned long acpi_create_rmrr(unsigned long current) +{ + uint32_t size = ALIGN_UP(MEM_BLK_COUNT * sizeof(MEM_BLK), 0x1000); + + uint32_t *ptr; + + // reserve memory + ptr = cbmem_find(CBMEM_ID_STORAGE_DATA); + if (!ptr) { + ptr = cbmem_add(CBMEM_ID_STORAGE_DATA, size); + assert(ptr != NULL); + memset(ptr, 0, size); + } + + unsigned long tmp = current; + printk(BIOS_DEBUG, "[Reserved Memory Region] PCI Segment Number: 0x%x, Base Address: 0x%x, " + "End Address (limit): 0x%x\n", + 0, (uint32_t) ptr, (uint32_t) ((uint32_t) ptr + size - 1)); + current += acpi_create_dmar_rmrr(current, 0, (uint32_t) ptr, + (uint32_t) ((uint32_t) ptr + size - 1)); + + printk(BIOS_DEBUG, " [PCI Endpoint Device] Enumeration ID: 0x%x, PCI Bus Number: 0x%x, " + "PCI Path: 0x%x, 0x%x\n", + 0, XHCI_BUS_NUMBER, PCH_DEV_SLOT_XHCI, XHCI_FUNC_NUM); + current += acpi_create_dmar_ds_pci(current, XHCI_BUS_NUMBER, + PCH_DEV_SLOT_XHCI, XHCI_FUNC_NUM); + + acpi_dmar_rmrr_fixup(tmp, current); + + return current; +} + +static unsigned long acpi_create_rhsa(unsigned long current) +{ + size_t hob_size; + const uint8_t uds_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; + const IIO_UDS *hob = fsp_find_extension_hob_by_guid(uds_guid, &hob_size); + assert(hob != NULL && hob_size != 0); + + for (int socket = 0; socket < hob->PlatformData.numofIIO; ++socket) { + IIO_RESOURCE_INSTANCE iio_resource = + hob->PlatformData.IIO_resource[socket]; + for (int stack = 0; stack <= PSTACK2; ++stack) { + uint32_t vtd_base = iio_resource.StackRes[stack].VtdBarAddress; + if (!vtd_base) + continue; + + printk(BIOS_DEBUG, "[Remapping Hardware Static Affinity] Base Address: 0x%x, " + "Proximity Domain: 0x%x\n", vtd_base, socket); + current += acpi_create_dmar_rhsa(current, vtd_base, socket); + } + } + + return current; +} + +static unsigned long acpi_fill_dmar(unsigned long current) +{ + size_t hob_size; + const uint8_t uds_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; + const IIO_UDS *hob = fsp_find_extension_hob_by_guid(uds_guid, &hob_size); + assert(hob != NULL && hob_size != 0); + + // DRHD + for (int iio = 1; iio <= hob->PlatformData.numofIIO; ++iio) { + int socket = iio; + if (socket == hob->PlatformData.numofIIO) // socket 0 should be last DRHD entry + socket = 0; + + if (socket == 0) { + for (int stack = 1; stack <= PSTACK2; ++stack) + current = acpi_create_drhd(current, socket, stack); + current = acpi_create_drhd(current, socket, CSTACK); + } else { + for (int stack = 0; stack <= PSTACK2; ++stack) + current = acpi_create_drhd(current, socket, stack); + } + } + + // RMRR + current = acpi_create_rmrr(current); + + // ATSR - causes hang + current = acpi_create_atsr(current); + + // RHSA + current = acpi_create_rhsa(current); + + return current; +} + +unsigned long northbridge_write_acpi_tables(const struct device *device, + unsigned long current, + struct acpi_rsdp *rsdp) +{ + acpi_srat_t *srat; + acpi_slit_t *slit; + acpi_dmar_t *dmar; + + const struct soc_intel_xeon_sp_skx_config *const config = config_of(device); + + /* SRAT */ + current = ALIGN(current, 8); + printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); + srat = (acpi_srat_t *) current; + acpi_create_srat(srat, acpi_fill_srat); + current += srat->header.length; + acpi_add_table(rsdp, srat); + + /* SLIT */ + current = ALIGN(current, 8); + printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); + slit = (acpi_slit_t *) current; + acpi_create_slit(slit, acpi_fill_slit); + current += slit->header.length; + acpi_add_table(rsdp, slit); + + /* DMAR */ + if (config->vtd_support) { + current = ALIGN(current, 8); + dmar = (acpi_dmar_t *)current; + printk(BIOS_DEBUG, "ACPI: * DMAR\n"); + printk(BIOS_DEBUG, "[DMA Remapping table] Flags: 0x%x\n", + (DMAR_INTR_REMAP | DMAR_X2APIC_OPT_OUT)); + acpi_create_dmar(dmar, (DMAR_INTR_REMAP | DMAR_X2APIC_OPT_OUT), acpi_fill_dmar); + current += dmar->header.length; + current = acpi_align_current(current); + acpi_add_table(rsdp, dmar); + } + + return current; +} |