Hi All, Please find the links to previous discussions below :
V1 - https://edk2.groups.io/g/devel/topic/96088980#100022 V2 - https://edk2.groups.io/g/devel/topic/96671861#103652 V3 - https://edk2.groups.io/g/devel/topic/100912169#112452 Thanks, Sahil On Thu, 4 Jan 2024 at 18:46, sahil <sa...@arm.com> wrote: > > NT_FW_CONFIG DTB contains platform information passed by TF-A boot > stage. This patch enables support to first extract address of > NT_FW_CONFIG and then pass it to other modules as a PPI. > > Signed-off-by: sahil <sa...@arm.com> > --- > Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec | 5 ++++- > Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf | 3 ++- > Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h | 9 ++++++--- > Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c | 12 > +++++++++++- > Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S | 4 +++- > 5 files changed, 26 insertions(+), 7 deletions(-) > > diff --git a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec > b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec > index d59f25a5b915..c04162e7e7cd 100644 > --- a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec > +++ b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec > @@ -1,7 +1,7 @@ > ## @file > # Describes the entire platform configuration. > # > -# Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR> > +# Copyright (c) 2018 - 2024, ARM Limited. All rights reserved.<BR> > # > # SPDX-License-Identifier: BSD-2-Clause-Patent > # > @@ -83,3 +83,6 @@ > > gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio32Translation|0x40000000000|UINT64|0x0000004F > > gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio64Translation|0x40000000000|UINT64|0x00000050 > > gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieSegmentNumber|2|UINT32|0x00000051 > + > +[Ppis] > + gArmNeoverseN1SocParameterPpiGuid = { 0x4DDD5A72, 0x31AD, 0x4B20, { 0x8F, > 0x5F, 0xB3, 0xE8, 0x24, 0x6F, 0x80, 0x2B } } > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf > b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf > index 96e590cdd810..ead7f11ec964 100644 > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf > @@ -1,7 +1,7 @@ > ## @file > # Platform Library for N1Sdp. > # > -# Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR> > +# Copyright (c) 2018-2024, ARM Limited. All rights reserved.<BR> > # > # SPDX-License-Identifier: BSD-2-Clause-Patent > # > @@ -63,3 +63,4 @@ > > [Ppis] > gArmMpCoreInfoPpiGuid > + gArmNeoverseN1SocParameterPpiGuid > diff --git a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h > b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h > index 097160c7e2d1..2bddf5007431 100644 > --- a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h > +++ b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h > @@ -1,6 +1,6 @@ > /** @file > * > -* Copyright (c) 2018 - 2020, ARM Limited. All rights reserved. > +* Copyright (c) 2018 - 2024, ARM Limited. All rights reserved. > * > * SPDX-License-Identifier: BSD-2-Clause-Patent > * > @@ -55,12 +55,15 @@ > typedef struct { > /*! 0 - Single Chip, 1 - Chip to Chip (C2C) */ > UINT8 MultichipMode; > - /*! Slave count in C2C mode */ > - UINT8 SlaveCount; > + /*! Secondary chip count in C2C mode */ > + UINT8 SecondaryChipCount; > /*! Local DDR memory size in GigaBytes */ > UINT8 LocalDdrSize; > /*! Remote DDR memory size in GigaBytes */ > UINT8 RemoteDdrSize; > } NEOVERSEN1SOC_PLAT_INFO; > > +typedef struct { > + CONST VOID *NtFwConfig; > +} NEOVERSEN1SOC_EL3_FW_HANDOFF_PARAM_PPI; > #endif > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c > b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c > index c0effd37f333..e8568b7a039b 100644 > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c > @@ -1,6 +1,6 @@ > /** @file > > - Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR> > + Copyright (c) 2018 - 2024, ARM Limited. All rights reserved.<BR> > > SPDX-License-Identifier: BSD-2-Clause-Patent > > @@ -8,8 +8,12 @@ > > #include <Library/ArmPlatformLib.h> > #include <Library/BaseLib.h> > +#include <NeoverseN1Soc.h> > #include <Ppi/ArmMpCoreInfo.h> > > +UINT64 gArgNtFwConfigDtPtr; > +STATIC NEOVERSEN1SOC_EL3_FW_HANDOFF_PARAM_PPI mNeoverseN1SocParameterPpi; > + > STATIC ARM_CORE_INFO mCoreInfoTable[] = { > { 0x0, 0x0 }, // Cluster 0, Core 0 > { 0x0, 0x1 }, // Cluster 0, Core 1 > @@ -46,6 +50,7 @@ ArmPlatformInitialize ( > IN UINTN MpId > ) > { > + mNeoverseN1SocParameterPpi.NtFwConfig = (VOID *)gArgNtFwConfigDtPtr; > return RETURN_SUCCESS; > } > > @@ -80,6 +85,11 @@ EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = { > EFI_PEI_PPI_DESCRIPTOR_PPI, > &gArmMpCoreInfoPpiGuid, > &mMpCoreInfoPpi > + }, > + { > + EFI_PEI_PPI_DESCRIPTOR_PPI, > + &gArmNeoverseN1SocParameterPpiGuid, > + &mNeoverseN1SocParameterPpi > } > }; > > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S > b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S > index 8d2069dea837..828c383d6892 100644 > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S > @@ -1,6 +1,6 @@ > /** @file > * > -* Copyright (c) 2019 - 2020, ARM Limited. All rights reserved. > +* Copyright (c) 2019 - 2024, ARM Limited. All rights reserved. > * > * SPDX-License-Identifier: BSD-2-Clause-Patent > * > @@ -25,6 +25,8 @@ GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore) > // the UEFI firmware through the CPU registers. > // > ASM_PFX(ArmPlatformPeiBootAction): > + adr x10, gArgNtFwConfigDtPtr > + str x0, [x10] > ret > > // > -- > 2.25.1 > > > > ------------ > Groups.io Links: You receive all messages sent to this group. > View/Reply Online (#113164): https://edk2.groups.io/g/devel/message/113164 > Mute This Topic: https://groups.io/mt/103521643/7175337 > Group Owner: devel+ow...@edk2.groups.io > Unsubscribe: https://edk2.groups.io/g/devel/unsub [sahilkausha...@gmail.com] > ------------ > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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