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device/device_util: Add and use is_pci_bridge()

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TEST=Build and boot on intel/archercity CRB

Change-Id: Ied4921f7dc7e144e580d05d4f2262777aa59d895
Signed-off-by: Shuo Liu <shuo.liu@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81566
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Shuo Liu 2024-03-30 00:37:55 +08:00 committed by Lean Sheng Tan
parent 775c0e6de2
commit 0f3316bc71
3 changed files with 8 additions and 2 deletions
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5
src/device/device_util.c
View File

@ -930,3 +930,8 @@ bool is_pci_dev_on_bus(const struct device *pci, unsigned int bus)
return is_pci(pci) && pci->upstream->segment_group == 0
&& pci->upstream->secondary == bus;
}
bool is_pci_bridge(const struct device *pci)
{
return is_pci(pci) && ((pci->hdr_type & 0x7f) == PCI_HEADER_TYPE_BRIDGE);
}

1
src/include/device/device.h
View File

@ -193,6 +193,7 @@ bool is_enabled_cpu(const struct device *cpu);
bool is_pci(const struct device *pci);
bool is_enabled_pci(const struct device *pci);
bool is_pci_dev_on_bus(const struct device *pci, unsigned int bus);
bool is_pci_bridge(const struct device *pci);
/* Returns whether there is a hotplug port on the path to the given device. */
bool dev_path_hotplug(const struct device *);

4
src/soc/intel/xeon_sp/uncore_acpi.c
View File

@ -317,7 +317,7 @@ static unsigned long acpi_create_drhd(unsigned long current, struct device *iomm
const struct device *domain = dev_get_domain(iommu);
struct device *dev = NULL;
while ((dev = dev_bus_each_child(domain->downstream, dev)))
if ((dev->hdr_type & 0x7f) == PCI_HEADER_TYPE_BRIDGE)
if (is_pci_bridge(dev))
current +=
acpi_create_dmar_ds_pci_br_for_port(
current, dev, pcie_seg, false, NULL);
@ -421,7 +421,7 @@ static unsigned long acpi_create_atsr(unsigned long current)
continue;
for (child = dev->upstream->children; child; child = child->sibling) {
if ((child->hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE)
if (!is_pci_bridge(child))
continue;
current +=
acpi_create_dmar_ds_pci_br_for_port(