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Signed-off-by: Vabhav Sharma Signed-off-by: Wasim Khan --- .../Library/PciHostBridgeLib/PciHostBridgeLib.inf | 1 + .../Library/PciHostBridgeLib/PciHostBridgeLib.c | 34 ++++++++++++++++++= ++++ 2 files changed, 35 insertions(+) diff --git a/Silicon/NXP/Library/PciHostBridgeLib/PciHostBridgeLib.inf b/Si= licon/NXP/Library/PciHostBridgeLib/PciHostBridgeLib.inf index b777acdc103f..df1590172e15 100644 --- a/Silicon/NXP/Library/PciHostBridgeLib/PciHostBridgeLib.inf +++ b/Silicon/NXP/Library/PciHostBridgeLib/PciHostBridgeLib.inf @@ -38,6 +38,7 @@ [FixedPcd] gNxpQoriqLsTokenSpaceGuid.PcdNumPciController gNxpQoriqLsTokenSpaceGuid.PcdPcieLutBase gNxpQoriqLsTokenSpaceGuid.PcdPcieLutDbg + gNxpQoriqLsTokenSpaceGuid.PcdPciDebug =20 [Pcd] gNxpQoriqLsTokenSpaceGuid.PcdPciCfgShiftEnable diff --git a/Silicon/NXP/Library/PciHostBridgeLib/PciHostBridgeLib.c b/Sili= con/NXP/Library/PciHostBridgeLib/PciHostBridgeLib.c index bacdc29d60d6..1de20c621dc0 100644 --- a/Silicon/NXP/Library/PciHostBridgeLib/PciHostBridgeLib.c +++ b/Silicon/NXP/Library/PciHostBridgeLib/PciHostBridgeLib.c @@ -413,6 +413,36 @@ PcieLsSetupAtu ( } =20 /** + Dump PCIe LsGen4 ATU + + @param Pcie Address of PCIe host controller. +**/ +VOID LsGen4DumpAtu ( + IN EFI_PHYSICAL_ADDRESS Pcie + ) +{ + UINT32 Cnt; + for (Cnt =3D 0; Cnt <=3D IATU_REGION_INDEX6; Cnt++) { + DEBUG ((DEBUG_INFO,"APIO WINDOW%d:\n", Cnt)); + DEBUG ((DEBUG_INFO,"\tLOWER PHYS 0x%08x\n", + PciLsGen4Read32 ((UINTN)Pcie, PAB_AXI_AMAP_AXI_WIN (Cnt)))); + DEBUG ((DEBUG_INFO,"\tUPPER PHYS 0x%08x\n", + PciLsGen4Read32 ((UINTN)Pcie, PAB_EXT_AXI_AMAP_AXI_WIN (Cnt)))= ); + DEBUG ((DEBUG_INFO,"\tLOWER BUS 0x%08x\n", + PciLsGen4Read32 ((UINTN)Pcie, PAB_AXI_AMAP_PEX_WIN_L (Cnt)))); + DEBUG ((DEBUG_INFO,"\tUPPER BUS 0x%08x\n", + PciLsGen4Read32 ((UINTN)Pcie, PAB_AXI_AMAP_PEX_WIN_H (Cnt)))); + DEBUG ((DEBUG_INFO,"\tSIZE 0x%08x\n", + PciLsGen4Read32 ((UINTN)Pcie, PAB_AXI_AMAP_CTRL (Cnt)) & + (AXI_AMAP_CTRL_SIZE_MASK << AXI_AMAP_CTRL_SIZE_SHIFT))); + DEBUG ((DEBUG_INFO,"\tEXT_SIZE 0x%08x\n", + PciLsGen4Read32 ((UINTN)Pcie, PAB_EXT_AXI_AMAP_SIZE (Cnt)))); + DEBUG ((DEBUG_INFO,"\tCTRL: 0x%08x\n", + PciLsGen4Read32 ((UINTN)Pcie, PAB_AXI_AMAP_CTRL (Cnt)))); + } +} + +/** Function to set-up ATU windows for PCIe LayerscapeGen4 controller =20 @param Pcie Address of PCIe host controller @@ -484,6 +514,10 @@ PcieLsGen4SetupAtu ( Mem64Base, Mem64Base, SIZE_4GB); + + if (FixedPcdGetBool (PcdPciDebug) =3D=3D TRUE) { + LsGen4DumpAtu (Pcie); + } } =20 /** --=20 2.7.4