diff options
Diffstat (limited to 'ArmPkg/ArmPkg.dec')
| -rw-r--r-- | ArmPkg/ArmPkg.dec | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec index 1012329013..3326e7b584 100644 --- a/ArmPkg/ArmPkg.dec +++ b/ArmPkg/ArmPkg.dec @@ -190,3 +190,9 @@ # Other modes include using SP0 or switching to Aarch32, but these are
# not currently supported.
gArmTokenSpaceGuid.PcdArmNonSecModeTransition|0x3c9|UINT32|0x0000003E
+ # If the fixed FDT address is not available, then it should be loaded above the kernel.
+ # The recommendation from the AArch64 Linux kernel is to have the FDT below 512MB.
+ # (see the kernel doc: Documentation/arm64/booting.txt)
+ gArmTokenSpaceGuid.PcdArmLinuxFdtMaxOffset|0x20000000|UINT32|0x00000023
+ # The FDT blob must be loaded at a 2MB aligned address.
+ gArmTokenSpaceGuid.PcdArmLinuxFdtAlignment|0x00200000|UINT32|0x00000026
|