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| -rw-r--r-- | Documentation/arch/arm64/booting.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/arch/arm64/booting.rst b/Documentation/arch/arm64/booting.rst index 1b3ac1394e5f..cad6fdc96b98 100644 --- a/Documentation/arch/arm64/booting.rst +++ b/Documentation/arch/arm64/booting.rst @@ -455,6 +455,12 @@ Before jumping into the kernel, the following conditions must be met: - MDCR_EL3.TDA (bit 9) must be initialized to 0b0 + - For CPUs with FEAT_PMUv3: + + - If EL3 is present: + + - MDCR_EL3.TPM (bit 6) must be initialized to 0b0 + The requirements described above for CPU mode, caches, MMUs, architected timers, coherency and system registers apply to all CPUs. All CPUs must enter the kernel in the same exception level. Where the values documented |