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ArmVirtPkg/EarlyFdtPL011: allow patchable PCD for initial DT base address

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Allow the use of a patchable PCD for the initial DT base address recorded in
gArmVirtTokenSpaceGuid.PcdDeviceTreeInitialBaseAddress, so that the module
can be reused by a relocatable version of ArmVirtQemu.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Ard Biesheuvel 2016-02-05 14:52:30 +01:00
parent 34077963d9
commit ff05707ef2
2 changed files with 3 additions and 2 deletions
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2
ArmVirtPkg/Library/FdtPL011SerialPortLib/EarlyFdtPL011SerialPortLib.c
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@ -71,7 +71,7 @@ SerialPortGetBaseAddress (
UINTN UartBase; UINTN UartBase;
RETURN_STATUS Status; RETURN_STATUS Status;
DeviceTreeBase = (VOID *)(UINTN)FixedPcdGet64 (PcdDeviceTreeInitialBaseAddress); DeviceTreeBase = (VOID *)(UINTN)PcdGet64 (PcdDeviceTreeInitialBaseAddress);
if ((DeviceTreeBase == NULL) || (fdt_check_header (DeviceTreeBase) != 0)) { if ((DeviceTreeBase == NULL) || (fdt_check_header (DeviceTreeBase) != 0)) {
return 0; return 0;

3
ArmVirtPkg/Library/FdtPL011SerialPortLib/EarlyFdtPL011SerialPortLib.inf
View File

@ -36,9 +36,10 @@
ArmPlatformPkg/ArmPlatformPkg.dec ArmPlatformPkg/ArmPlatformPkg.dec
ArmVirtPkg/ArmVirtPkg.dec ArmVirtPkg/ArmVirtPkg.dec
[FixedPcd] [Pcd]
gArmVirtTokenSpaceGuid.PcdDeviceTreeInitialBaseAddress gArmVirtTokenSpaceGuid.PcdDeviceTreeInitialBaseAddress
[FixedPcd]
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity