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DynamicTablesPkg: AcpiSsdtPcieLibArm: Correct translation value 

The translation value in ACPI should be the difference between the CPU and PCIe address.

Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
This commit is contained in:
Jeff Brasen 2022-07-08 14:59:01 -06:00 committed by mergify[bot]
parent f0064ac3af
commit 6cda306da1
1 changed files with 12 additions and 6 deletions
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18
DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtPcieLibArm/SsdtPcieGenerator.c
View File

@ -540,6 +540,7 @@ GeneratePciCrs (
UINT32 RefCount;
CM_ARM_PCI_ADDRESS_MAP_INFO *AddrMapInfo;
AML_OBJECT_NODE_HANDLE CrsNode;
BOOLEAN IsPosDecode;
ASSERT (Generator != NULL);
ASSERT (CfgMgrProtocol != NULL);
@ -609,6 +610,11 @@ GeneratePciCrs (
}
Translation = (AddrMapInfo->CpuAddress != AddrMapInfo->PciAddress);
if (AddrMapInfo->CpuAddress >= AddrMapInfo->PciAddress) {
IsPosDecode = TRUE;
} else {
IsPosDecode = FALSE;
}
switch (AddrMapInfo->SpaceCode) {
case PCI_SS_IO:
@ -616,12 +622,12 @@ GeneratePciCrs (
FALSE,
TRUE,
TRUE,
TRUE,
IsPosDecode,
3,
0,
AddrMapInfo->PciAddress,
AddrMapInfo->PciAddress + AddrMapInfo->AddressSize - 1,
Translation ? AddrMapInfo->CpuAddress : 0,
Translation ? AddrMapInfo->CpuAddress - AddrMapInfo->PciAddress : 0,
AddrMapInfo->AddressSize,
0,
NULL,
@ -635,7 +641,7 @@ GeneratePciCrs (
case PCI_SS_M32:
Status = AmlCodeGenRdDWordMemory (
FALSE,
TRUE,
IsPosDecode,
TRUE,
TRUE,
TRUE,
@ -643,7 +649,7 @@ GeneratePciCrs (
0,
AddrMapInfo->PciAddress,
AddrMapInfo->PciAddress + AddrMapInfo->AddressSize - 1,
Translation ? AddrMapInfo->CpuAddress : 0,
Translation ? AddrMapInfo->CpuAddress - AddrMapInfo->PciAddress : 0,
AddrMapInfo->AddressSize,
0,
NULL,
@ -657,7 +663,7 @@ GeneratePciCrs (
case PCI_SS_M64:
Status = AmlCodeGenRdQWordMemory (
FALSE,
TRUE,
IsPosDecode,
TRUE,
TRUE,
TRUE,
@ -665,7 +671,7 @@ GeneratePciCrs (
0,
AddrMapInfo->PciAddress,
AddrMapInfo->PciAddress + AddrMapInfo->AddressSize - 1,
Translation ? AddrMapInfo->CpuAddress : 0,
Translation ? AddrMapInfo->CpuAddress - AddrMapInfo->PciAddress : 0,
AddrMapInfo->AddressSize,
0,
NULL,