ArmPkg/ArmLib/AArch64: Use the appropriate macros and update comments

[mirror_edk2.git] / ArmPkg / ArmPkg.dec

diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec
index 145c6b08f905802fc30bfaf8cf038e16c7c12b52..3326e7b584b59db3fced3f2984872bc0266d8f50 100644 (file)
--- a/ArmPkg/ArmPkg.dec
+++ b/ArmPkg/ArmPkg.dec
@@ -181,3 +181,18 @@
   gArmTokenSpaceGuid.PcdArmLinuxFdtMaxOffset|0x4000|UINT32|0x00000023\r
   # The FDT blob must be loaded at a 64bit aligned address.\r
   gArmTokenSpaceGuid.PcdArmLinuxFdtAlignment|0x8|UINT32|0x00000026\r
+\r
+[PcdsFixedAtBuild.AARCH64]\r
+  # By default we do transition to EL2 non-secure mode with Stack for EL2.\r
+  #        Mode Description              Bits\r
+  # NS EL2 SP2 all interupts disabled =  0x3c9\r
+  # NS EL1 SP1 all interupts disabled =  0x3c5\r
+  # Other modes include using SP0 or switching to Aarch32, but these are\r
+  # not currently supported.\r
+  gArmTokenSpaceGuid.PcdArmNonSecModeTransition|0x3c9|UINT32|0x0000003E\r
+  # If the fixed FDT address is not available, then it should be loaded above the kernel.\r
+  # The recommendation from the AArch64 Linux kernel is to have the FDT below 512MB.\r
+  # (see the kernel doc: Documentation/arm64/booting.txt)\r
+  gArmTokenSpaceGuid.PcdArmLinuxFdtMaxOffset|0x20000000|UINT32|0x00000023\r
+  # The FDT blob must be loaded at a 2MB aligned address.\r
+  gArmTokenSpaceGuid.PcdArmLinuxFdtAlignment|0x00200000|UINT32|0x00000026\r