diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/xeon_sp/uncore_acpi.c | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/src/soc/intel/xeon_sp/uncore_acpi.c b/src/soc/intel/xeon_sp/uncore_acpi.c index e7e24f442d..1ec30a378f 100644 --- a/src/soc/intel/xeon_sp/uncore_acpi.c +++ b/src/soc/intel/xeon_sp/uncore_acpi.c @@ -215,12 +215,6 @@ static unsigned long acpi_fill_slit(unsigned long current) } #endif -static struct device *dev_find_iommu_on_stack(uint8_t socket, uint8_t stack) -{ - return dev_find_all_devices_on_stack(socket, stack, PCI_VID_INTEL, - MMAP_VTD_CFG_REG_DEVID, NULL); -} - /* * This function adds PCIe bridge device entry in DMAR table. If it is called * in the context of ATSR subtable, it adds ATSR subtable when it is first called. @@ -254,15 +248,11 @@ static unsigned long acpi_create_dmar_ds_pci_br_for_port(unsigned long current, return (atsr_size + pci_br_size); } -static unsigned long acpi_create_drhd(unsigned long current, int socket, - int stack, const IIO_UDS *hob) +static unsigned long acpi_create_drhd(unsigned long current, struct device *iommu, + const IIO_UDS *hob) { unsigned long tmp = current; - struct device *iommu = dev_find_iommu_on_stack(socket, stack); - if (!iommu) - return current; - struct resource *resource; resource = probe_resource(iommu, VTD_BAR_CSR); if (!resource) @@ -274,13 +264,15 @@ static unsigned long acpi_create_drhd(unsigned long current, int socket, const uint32_t bus = iommu->upstream->secondary; uint32_t pcie_seg = iommu->upstream->segment_group; + int socket = iio_pci_domain_socket_from_dev(iommu); + int stack = iio_pci_domain_stack_from_dev(iommu); 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 (is_stack0(socket, stack)) { + if (is_dev_on_domain0(iommu)) { 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); @@ -293,7 +285,7 @@ static unsigned long acpi_create_drhd(unsigned long current, int socket, } // Add PCH IOAPIC - if (is_stack0(socket, stack)) { + if (is_dev_on_domain0(iommu)) { union p2sb_bdf ioapic_bdf = p2sb_get_ioapic_bdf(); printk(BIOS_DEBUG, " [IOAPIC Device] Enumeration ID: 0x%x, PCI Bus Number: 0x%x, " "PCI Path: 0x%x, 0x%x\n", get_ioapic_id(IO_APIC_ADDR), ioapic_bdf.bus, @@ -325,7 +317,7 @@ static unsigned long acpi_create_drhd(unsigned long current, int socket, #endif // Add PCIe Ports - if (!is_stack0(socket, stack)) { + if (!is_dev_on_domain0(iommu)) { struct device *domain = dev_get_pci_domain(iommu); struct device *dev = NULL; while ((dev = dev_bus_each_child(domain->downstream, dev))) @@ -368,7 +360,7 @@ static unsigned long acpi_create_drhd(unsigned long current, int socket, } // Add HPET - if (is_stack0(socket, stack)) { + if (is_dev_on_domain0(iommu)) { uint16_t hpet_capid = read16p(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", @@ -540,13 +532,18 @@ static unsigned long acpi_fill_dmar(unsigned long current) { const IIO_UDS *hob = get_iio_uds(); - // DRHD - socket 0 stack 0 must be the last DRHD entry. - for (int socket = (CONFIG_MAX_SOCKET - 1); socket >= 0; --socket) { - if (!soc_cpu_is_enabled(socket)) + // DRHD - iommu0 must be the last DRHD entry. + struct device *dev = NULL; + struct device *iommu0 = NULL; + while ((dev = dev_find_device(PCI_VID_INTEL, MMAP_VTD_CFG_REG_DEVID, dev))) { + if (is_domain0(dev_get_pci_domain(dev))) { + iommu0 = dev; continue; - for (int stack = (MAX_LOGIC_IIO_STACK - 1); stack >= 0; --stack) - current = acpi_create_drhd(current, socket, stack, hob); + } + current = acpi_create_drhd(current, dev, hob); } + assert(iommu0); + current = acpi_create_drhd(current, iommu0, hob); // RMRR current = acpi_create_rmrr(current); |