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| author | Jeff Brasen <jbrasen@nvidia.com> | 2022-07-08 14:59:02 -0600 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2022-07-19 16:15:35 +0000 |
| commit | 9ac155bf0b875f5df29ff4389107e2ec2ee3807e (patch) | |
| tree | 874b368272cf0720b3fdf5a1cc9533c8e98ccba4 /DynamicTablesPkg | |
| parent | 6cda306da1dde935e866054ef8b858de768c4cf6 (diff) | |
| download | edk2-9ac155bf0b875f5df29ff4389107e2ec2ee3807e.tar.gz edk2-9ac155bf0b875f5df29ff4389107e2ec2ee3807e.tar.bz2 edk2-9ac155bf0b875f5df29ff4389107e2ec2ee3807e.zip | |
DynamicTablesPkg: AcpiSsdtPcieLibArm: Support UID > 0xF
Add support for PCIe devices with UID > 0xF.
This is done by using the next value in the name so
PCI5, PC26, etc
Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Diffstat (limited to 'DynamicTablesPkg')
| -rw-r--r-- | DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c | 5 | ||||
| -rw-r--r-- | DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.h | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c index 3c20d928ce..3b3d904dbe 100644 --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c @@ -824,7 +824,10 @@ GeneratePciDevice ( // Write the name of the PCI device.
CopyMem (AslName, "PCIx", AML_NAME_SEG_SIZE + 1);
- AslName[AML_NAME_SEG_SIZE - 1] = AsciiFromHex (Uid);
+ AslName[AML_NAME_SEG_SIZE - 1] = AsciiFromHex (Uid & 0xF);
+ if (Uid > 0xF) {
+ AslName[AML_NAME_SEG_SIZE - 2] = AsciiFromHex ((Uid >> 4) & 0xF);
+ }
// ASL: Device (PCIx) {}
Status = AmlCodeGenDevice (AslName, ScopeNode, &PciNode);
diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.h b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.h index 59a0d601a3..515a3e1785 100644 --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.h +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.h @@ -31,7 +31,7 @@ Corresponding changes would be needed to support the Name and
UID fields describing the Pci root complexes.
*/
-#define MAX_PCI_ROOT_COMPLEXES_SUPPORTED 16
+#define MAX_PCI_ROOT_COMPLEXES_SUPPORTED 256
// _SB scope of the AML namespace.
#define SB_SCOPE "\\_SB_"
|