diff options
| author | Leendert van Doorn <leendert@paramecium.org> | 2016-03-24 15:30:05 -0500 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-03-25 07:09:49 +0100 |
| commit | 7e5a6e394c65a295a761162621c546b1fea0b280 (patch) | |
| tree | 2e23f635a7f63f54acdd8755514170bcf002447e /ArmPkg | |
| parent | da6ae666410e5b0354312e51c3e63775f79c33af (diff) | |
| download | edk2-7e5a6e394c65a295a761162621c546b1fea0b280.tar.gz edk2-7e5a6e394c65a295a761162621c546b1fea0b280.tar.bz2 edk2-7e5a6e394c65a295a761162621c546b1fea0b280.zip | |
ArmPkg: apply Cortex-A57 errata
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Leo Duran <leo.duran@amd.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Diffstat (limited to 'ArmPkg')
| -rw-r--r-- | ArmPkg/Drivers/ArmCpuLib/ArmCortexA5xLib/ArmCortexA5xLib.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA5xLib/ArmCortexA5xLib.c b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA5xLib/ArmCortexA5xLib.c index 135bd6b86d..3d39acd50c 100644 --- a/ArmPkg/Drivers/ArmCpuLib/ArmCortexA5xLib/ArmCortexA5xLib.c +++ b/ArmPkg/Drivers/ArmCpuLib/ArmCortexA5xLib/ArmCortexA5xLib.c @@ -40,12 +40,15 @@ ArmCpuSetup ( }
//
- // If CPU is CortexA57 r0p0 apply Errata: 806969
+ // If CPU is CortexA57 r0p0 apply Errata workarounds
//
if ((ArmReadMidr () & ((ARM_CPU_TYPE_MASK << 4) | ARM_CPU_REV_MASK)) ==
((ARM_CPU_TYPE_A57 << 4) | ARM_CPU_REV(0,0))) {
- // DisableLoadStoreWB
- ArmSetCpuActlrBit (1ULL << 49);
+
+ // Errata 806969: DisableLoadStoreWB (1ULL << 49)
+ // Errata 813420: Execute Data Cache clean as Data Cache clean/invalidate (1ULL << 44)
+ // Errata 814670: disable DMB nullification (1ULL << 58)
+ ArmSetCpuActlrBit ( (1ULL << 49) | (1ULL << 44) | (1ULL << 58) );
}
}
|