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| author | Louis Mayencourt <louis.mayencourt@arm.com> | 2019-04-09 16:29:01 +0100 |
|---|---|---|
| committer | Louis Mayencourt <louis.mayencourt@arm.com> | 2019-04-17 13:46:43 +0100 |
| commit | 0e985d708e8f429c1fa1f557d3eea90e32de5228 (patch) | |
| tree | 1fcdb2dc74d4f1f127a9360319f3426e37c2dbf5 /include | |
| parent | 2c3b76ce7b9e36e5c8be3c454110e070a20332ca (diff) | |
| download | platform_external_arm-trusted-firmware-0e985d708e8f429c1fa1f557d3eea90e32de5228.tar.gz platform_external_arm-trusted-firmware-0e985d708e8f429c1fa1f557d3eea90e32de5228.tar.bz2 platform_external_arm-trusted-firmware-0e985d708e8f429c1fa1f557d3eea90e32de5228.zip | |
DSU: Implement workaround for errata 798953
Under certain near idle conditions, DSU may miss response transfers on
the ACE master or Peripheral port, leading to deadlock. This workaround
disables high-level clock gating of the DSU to prevent this.
Change-Id: I820911d61570bacb38dd325b3519bc8d12caa14b
Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/lib/cpus/aarch64/dsu_def.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/lib/cpus/aarch64/dsu_def.h b/include/lib/cpus/aarch64/dsu_def.h index 4ec64eee3..0969acf53 100644 --- a/include/lib/cpus/aarch64/dsu_def.h +++ b/include/lib/cpus/aarch64/dsu_def.h @@ -31,6 +31,8 @@ ********************************************************************/ #define CLUSTERACTLR_EL1 S3_0_C15_C3_3 +#define CLUSTERACTLR_EL1_DISABLE_CLOCK_GATING (ULL(1) << 15) + /******************************************************************** * Masks applied for DSU errata workarounds ********************************************************************/ |