Hello Chandni, On 15 June 2018 at 07:55, Chandni Cherukuri <chandni.cheruk...@arm.com> wrote: > Use the platform ID and config ID values from the platform ID > HOB to choose the right set of ACPI tables to be installed. > > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Chandni Cherukuri <chandni.cheruk...@arm.com> > --- > .../ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c | 33 > ++++++++++++++++++---- > .../ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf | 2 ++ > Platform/ARM/SgiPkg/Include/SgiPlatform.h | 24 ++++++++++++++-- > Platform/ARM/SgiPkg/SgiPlatform.dsc | 1 + > Platform/ARM/SgiPkg/SgiPlatform.fdf | 1 + > 5 files changed, 53 insertions(+), 8 deletions(-) > > diff --git a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c > b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c > index edaae5b..d0d5808 100644 > --- a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c > +++ b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c > @@ -14,6 +14,8 @@ > > #include <Library/AcpiLib.h> > #include <Library/DebugLib.h> > +#include <Library/HobLib.h> > +#include <SgiPlatform.h> > > EFI_STATUS > InitVirtioBlockIo ( > @@ -28,20 +30,41 @@ ArmSgiPkgEntryPoint ( > ) > { > EFI_STATUS Status; > + VOID *PlatformIdHob; > + SGI_PLATFORM_DESCRIPTOR *HobData; > + UINT32 ConfigId; > + UINT32 PartNum; > > - Status = LocateAndInstallAcpiFromFv (&gSgi575AcpiTablesiFileGuid); > - if (EFI_ERROR (Status)) { > - DEBUG ((DEBUG_ERROR, "%a: Failed to install ACPI tables\n", > __FUNCTION__)); > - return Status; > + PlatformIdHob = GetFirstGuidHob (&gArmSgiPlatformIdDescriptorGuid); > + if (PlatformIdHob == NULL) { > + DEBUG ((DEBUG_ERROR, "Platform ID Hob is NULL\n")); > + return EFI_INVALID_PARAMETER; > + } > + > + HobData = (SGI_PLATFORM_DESCRIPTOR *)(GET_GUID_HOB_DATA (PlatformIdHob)); > + > + PartNum = (HobData->PlatformId & SGI_PART_NUM_MASK); > + ConfigId = ((HobData->PlatformId >> SGI_CONFIG_SHIFT) & SGI_CONFIG_MASK); > + > + if ((PartNum == SGI575_PART_NUM) && (ConfigId == SGI575_CONF_NUM)) { > + Status = LocateAndInstallAcpiFromFv (&gSgi575AcpiTablesiFileGuid); > + if (EFI_ERROR (Status)) { > + DEBUG ((DEBUG_ERROR, "%a: Failed to install ACPI tables\n", > __FUNCTION__)); > + return Status; > + } > + } else { > + DEBUG ((DEBUG_ERROR, "PlatformDxe: Unsupported Platform Id\n")); > + return EFI_UNSUPPORTED; > } > > - Status = EFI_REQUEST_UNLOAD_IMAGE; > if (FeaturePcdGet (PcdVirtioSupported)) { > Status = InitVirtioBlockIo (ImageHandle); > if (EFI_ERROR (Status)) { > DEBUG ((DEBUG_ERROR, "%a: Failed to install Virtio Block device\n", > __FUNCTION__)); > } > + } else { > + Status = EFI_REQUEST_UNLOAD_IMAGE; > } > > return Status; > diff --git a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf > b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf > index 51ad22f..b6b8209 100644 > --- a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf > +++ b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf > @@ -30,10 +30,12 @@ > > [LibraryClasses] > AcpiLib > + HobLib > UefiDriverEntryPoint > VirtioMmioDeviceLib > > [Guids] > + gArmSgiPlatformIdDescriptorGuid > gSgi575AcpiTablesiFileGuid > > [FeaturePcd] > diff --git a/Platform/ARM/SgiPkg/Include/SgiPlatform.h > b/Platform/ARM/SgiPkg/Include/SgiPlatform.h > index 00ca7e9..756954c 100644 > --- a/Platform/ARM/SgiPkg/Include/SgiPlatform.h > +++ b/Platform/ARM/SgiPkg/Include/SgiPlatform.h > @@ -12,8 +12,8 @@ > * > **/ > > -#ifndef __SGI_PLATFORM_H__ > -#define __SGI_PLATFORM_H__ > +#ifndef SGI_PLATFORM_H_ > +#define SGI_PLATFORM_H_ > > > /*********************************************************************************** > // Platform Memory Map > @@ -68,4 +68,22 @@ > #define SGI_SYSPH_SYS_REG_FLASH 0x4C > #define SGI_SYSPH_SYS_REG_FLASH_RWEN 0x1 > > -#endif // __SGI_PLATFORM_H__ > +// SGI575_VERSION values > +#define SGI575_CONF_NUM 0x3 > +#define SGI575_PART_NUM 0x783 > + > +#define SGI_CONFIG_MASK 0x0F > +#define SGI_CONFIG_SHIFT 0x1C > +#define SGI_PART_NUM_MASK 0xFFF > + > +//HwConfig DT structure^M
^M ? > +typedef struct { > + UINT64 *HwConfigDtAddr; > +} SGI_HW_CONFIG_INFO_PPI; > + Please declare this PPI properly > +// ARM platform description data. > +typedef struct { > + UINTN PlatformId; > +} SGI_PLATFORM_DESCRIPTOR; > + > +#endif // SGI_PLATFORM_H_ > diff --git a/Platform/ARM/SgiPkg/SgiPlatform.dsc > b/Platform/ARM/SgiPkg/SgiPlatform.dsc > index a56175e..f571897 100644 > --- a/Platform/ARM/SgiPkg/SgiPlatform.dsc > +++ b/Platform/ARM/SgiPkg/SgiPlatform.dsc > @@ -199,6 +199,7 @@ > <LibraryClasses> > > NULL|MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaCustomDecompressLib.inf > } > + Platform/ARM/SgiPkg/Library/SgiPlatformPeiLib/SgiPlatformPeiLib.inf > > # > # DXE > diff --git a/Platform/ARM/SgiPkg/SgiPlatform.fdf > b/Platform/ARM/SgiPkg/SgiPlatform.fdf > index 17cdf48..05203a8 100644 > --- a/Platform/ARM/SgiPkg/SgiPlatform.fdf > +++ b/Platform/ARM/SgiPkg/SgiPlatform.fdf > @@ -220,6 +220,7 @@ READ_LOCK_STATUS = TRUE > INF MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf > INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf > INF MdeModulePkg/Universal/Variable/Pei/VariablePei.inf > + INF Platform/ARM/SgiPkg/Library/SgiPlatformPeiLib/SgiPlatformPeiLib.inf > > FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 { > SECTION GUIDED EE4E5898-3914-4259-9D6E-DC7BD79403CF PROCESSING_REQUIRED > = TRUE { > -- > 2.7.4 > _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel