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[62.14.178.2]) by smtp.gmail.com with ESMTPSA id ex14sm21947778wjc.30.2016.08.21.23.35.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 21 Aug 2016 23:35:59 -0700 (PDT) From: Ard Biesheuvel To: edk2-devel@lists.01.org, lersek@redhat.com Cc: Ard Biesheuvel Date: Mon, 22 Aug 2016 08:35:51 +0200 Message-Id: <1471847752-26574-5-git-send-email-ard.biesheuvel@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1471847752-26574-1-git-send-email-ard.biesheuvel@linaro.org> References: <1471847752-26574-1-git-send-email-ard.biesheuvel@linaro.org> Subject: [PATCH 4/5] ArmVirtPkg/FdtPciHostBridgeLib: add MMIO64 support X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Aug 2016 06:36:02 -0000 If the pci-host-ecam-generic DT node describes a 64-bit MMIO region, account for it in the PCI_ROOT_BRIDGE description that we return to the generic PciHostBridgeDxe implementation, which will be able to allocate BARs from it without any further changes. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel --- ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c | 59 +++++++++++++------- 1 file changed, 38 insertions(+), 21 deletions(-) diff --git a/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c b/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c index 0aff149e8029..74fda4d23fa3 100644 --- a/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c +++ b/ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c @@ -87,9 +87,10 @@ ProcessPciHost ( OUT UINT64 *IoBase, OUT UINT64 *IoSize, OUT UINT64 *IoTranslation, - OUT UINT64 *MmioBase, - OUT UINT64 *MmioSize, - OUT UINT64 *MmioTranslation, + OUT UINT64 *Mmio32Base, + OUT UINT64 *Mmio32Size, + OUT UINT64 *Mmio64Base, + OUT UINT64 *Mmio64Size, OUT UINT32 *BusMin, OUT UINT32 *BusMax ) @@ -101,6 +102,7 @@ ProcessPciHost ( UINT32 Len; UINT32 RecordIdx; EFI_STATUS Status; + UINT64 MmioTranslation; // // The following output arguments are initialized only in @@ -109,8 +111,8 @@ ProcessPciHost ( // *IoBase = 0; *IoTranslation = 0; - *MmioBase = 0; - *MmioTranslation = 0; + *Mmio32Base = 0; + *Mmio64Base = MAX_UINT64; *BusMin = 0; *BusMax = 0; @@ -120,7 +122,8 @@ ProcessPciHost ( // above, they are initialized early. // *IoSize = 0; - *MmioSize = 0; + *Mmio32Size = 0; + *Mmio64Size = 0; Status = gBS->LocateProtocol (&gFdtClientProtocolGuid, NULL, (VOID **)&FdtClient); @@ -207,26 +210,39 @@ ProcessPciHost ( break; case DTB_PCI_HOST_RANGE_MMIO32: - *MmioBase = SwapBytes64 (Record->ChildBase); - *MmioSize = SwapBytes64 (Record->Size); - *MmioTranslation = SwapBytes64 (Record->CpuBase) - *MmioBase; + *Mmio32Base = SwapBytes64 (Record->ChildBase); + *Mmio32Size = SwapBytes64 (Record->Size); + MmioTranslation = SwapBytes64 (Record->CpuBase) - *Mmio32Base; - if (*MmioBase > MAX_UINT32 || *MmioSize > MAX_UINT32 || - *MmioBase + *MmioSize > SIZE_4GB) { + if (*Mmio32Base > MAX_UINT32 || *Mmio32Size > MAX_UINT32 || + *Mmio32Base + *Mmio32Size > SIZE_4GB) { DEBUG ((EFI_D_ERROR, "%a: MMIO32 space invalid\n", __FUNCTION__)); return EFI_PROTOCOL_ERROR; } - if (*MmioTranslation != 0) { + if (MmioTranslation != 0) { DEBUG ((EFI_D_ERROR, "%a: unsupported nonzero MMIO32 translation " - "0x%Lx\n", __FUNCTION__, *MmioTranslation)); + "0x%Lx\n", __FUNCTION__, MmioTranslation)); + return EFI_UNSUPPORTED; + } + + break; + + case DTB_PCI_HOST_RANGE_MMIO64: + *Mmio64Base = SwapBytes64 (Record->ChildBase); + *Mmio64Size = SwapBytes64 (Record->Size); + MmioTranslation = SwapBytes64 (Record->CpuBase) - *Mmio64Base; + + if (MmioTranslation != 0) { + DEBUG ((EFI_D_ERROR, "%a: unsupported nonzero MMIO64 translation " + "0x%Lx\n", __FUNCTION__, MmioTranslation)); return EFI_UNSUPPORTED; } break; } } - if (*IoSize == 0 || *MmioSize == 0) { + if (*IoSize == 0 || *Mmio32Size == 0) { DEBUG ((EFI_D_ERROR, "%a: %a space empty\n", __FUNCTION__, (*IoSize == 0) ? "IO" : "MMIO32")); return EFI_PROTOCOL_ERROR; @@ -239,9 +255,9 @@ ProcessPciHost ( ASSERT (PcdGet64 (PcdPciExpressBaseAddress) == ConfigBase); DEBUG ((EFI_D_INFO, "%a: Config[0x%Lx+0x%Lx) Bus[0x%x..0x%x] " - "Io[0x%Lx+0x%Lx)@0x%Lx Mem[0x%Lx+0x%Lx)@0x%Lx\n", __FUNCTION__, ConfigBase, - ConfigSize, *BusMin, *BusMax, *IoBase, *IoSize, *IoTranslation, *MmioBase, - *MmioSize, *MmioTranslation)); + "Io[0x%Lx+0x%Lx)@0x%Lx Mem32[0x%Lx+0x%Lx) Mem64[0x%Lx+0x%Lx)\n", + __FUNCTION__, ConfigBase, ConfigSize, *BusMin, *BusMax, *IoBase, *IoSize, + *IoTranslation, *Mmio32Base, *Mmio32Size, *Mmio64Base, *Mmio64Size)); return EFI_SUCCESS; } @@ -263,7 +279,8 @@ PciHostBridgeGetRootBridges ( { PCI_ROOT_BRIDGE *RootBridge; UINT64 IoBase, IoSize, IoTranslation; - UINT64 Mmio32Base, Mmio32Size, Mmio32Translation; + UINT64 Mmio32Base, Mmio32Size; + UINT64 Mmio64Base, Mmio64Size; UINT32 BusMin, BusMax; EFI_STATUS Status; @@ -275,7 +292,7 @@ PciHostBridgeGetRootBridges ( } Status = ProcessPciHost (&IoBase, &IoSize, &IoTranslation, &Mmio32Base, - &Mmio32Size, &Mmio32Translation, &BusMin, &BusMax); + &Mmio32Size, &Mmio64Base, &Mmio64Size, &BusMin, &BusMax); if (EFI_ERROR (Status)) { DEBUG ((EFI_D_INFO, "%a: failed to discover PCI host bridge: %s not present\n", @@ -304,8 +321,8 @@ PciHostBridgeGetRootBridges ( RootBridge->Io.Limit = IoBase + IoSize - 1; RootBridge->Mem.Base = Mmio32Base; RootBridge->Mem.Limit = Mmio32Base + Mmio32Size - 1; - RootBridge->MemAbove4G.Base = MAX_UINT64; - RootBridge->MemAbove4G.Limit = 0; + RootBridge->MemAbove4G.Base = Mmio64Base; + RootBridge->MemAbove4G.Limit = Mmio64Base + Mmio64Size - 1; // // No separate ranges for prefetchable and non-prefetchable BARs -- 2.7.4