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ArmPkg/BdsLib: Removed PSCI discoverability from the Linux loader

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Some platforms might decide to not support PSCI in their FDT-aware Linux
system even if their firmware supports it.
It is the responsibility of the platform engineer to provide the appropriate FDT.

The PCD gArmTokenSpaceGuid.PcdArmPsciSupport is not required anymore.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15658 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
2014-07-15 09:21:41 +00:00
committed by oliviermartin
parent 6913a68302
commit 9232ee5338
6 changed files with 30 additions and 109 deletions
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2
ArmPkg/Library/BdsLib/AArch64/BdsLinuxLoader.c
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@@ -271,7 +271,7 @@ BdsBootLinuxFdt (
//
// Install secondary core pens if the Power State Coordination Interface is not supported
//
if (FeaturePcdGet (PcdArmPsciSupport) == FALSE) {
if (FeaturePcdGet (PcdArmLinuxSpinTable)) {
// Place Pen at the start of Linux memory. We can then tell Linux to not use this bit of memory
PenBase = LinuxImage - 0x80000;
PenSize = (UINTN)&SecondariesPenEnd - (UINTN)&SecondariesPenStart;