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ArmPkg: Add FF-A related dynamic Pcd and Guid

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To communicate with spmc or spmd, UEFI needs to map the Rx/Tx buffer
(which is a global resource in a partition)
by getting the required information from the partition descriptor.

for this, Define ArmFfaLib related Pcd and Guid.

Pcd:
  - PcdFfaLibConduitSmc
      conudit to use ArmFfaLib.

  - PcdFfaTxBufeer
      address of Tx buffer.

  - PcdFfaRxBuffer:
      address of Rx buffer.

  - PcdTxRxPageCount:
      specify buffer size with EFI_PAGE_SIZE unit.

  - PcdFfaExitBootEventRegistered:
      check exit boot event registered to unmap rx/tx buffer.

Guid:
   - gArmFfaRxTxBufferInfoGuid:
       This is used in Hob to get Rx/Tx buffer information to pass
       Rx/Tx buffer information via HobList if Rx/Tx Buffer mapped in
       PEI phase.

Signed-off-by: Levi Yun <yeoreum.yun@arm.com>
This commit is contained in:
Levi Yun 2024-08-05 17:36:10 +01:00 committed by mergify[bot]
parent 79875fdde0
commit 843f4fd60d
1 changed files with 12 additions and 0 deletions
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12
ArmPkg/ArmPkg.dec
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@ -107,6 +107,8 @@
gArmMmuReplaceLiveTranslationEntryFuncGuid = { 0xa8b50ff3, 0x08ec, 0x4dd3, {0xbf, 0x04, 0x28, 0xbf, 0x71, 0x75, 0xc7, 0x4a} }
gArmFfaRxTxBufferInfoGuid = { 0x96fd3d26, 0x6fb1, 0x11ef, { 0x8c, 0x11, 0xf3, 0xc9, 0xc5, 0x02, 0x31, 0xab } }
[Protocols.common]
## Arm System Control and Management Interface(SCMI) Base protocol
## ArmPkg/Include/Protocol/ArmScmiBaseProtocol.h
@ -318,6 +320,12 @@
gArmTokenSpaceGuid.PcdSystemBiosRelease|0xFFFF|UINT16|0x30000058
gArmTokenSpaceGuid.PcdEmbeddedControllerFirmwareRelease|0xFFFF|UINT16|0x30000059
#
# Define the conduit to use ArmFfalib.
# Default PcdFfaLibConduitSmc == TRUE, conduit = SMC
# If PcdFfaLibConduitSvc == FALSE, conduit = SVC
gArmTokenSpaceGuid.PcdFfaLibConduitSmc|TRUE|BOOLEAN|0x00000063
[PcdsFixedAtBuild.common, PcdsDynamic.common]
# ARM Architectural Timer Interrupt(GIC PPI) numbers
gArmTokenSpaceGuid.PcdArmArchTimerSecIntrNum|29|UINT32|0x00000035
@ -408,3 +416,7 @@
# the LinuxBoot payload.
#
gArmTokenSpaceGuid.PcdLinuxBootFileGuid|{0x0}|VOID*|0x0000005C
gArmTokenSpaceGuid.PcdFfaTxBuffer|0x00|UINT64|0x0000005F
gArmTokenSpaceGuid.PcdFfaRxBuffer|0x00|UINT64|0x00000060
gArmTokenSpaceGuid.PcdFfaTxRxPageCount|1|UINT64|0x00000061
gArmTokenSpaceGuid.PcdFfaExitBootEventRegistered|FALSE|BOOLEAN|0x00000062