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| author | lauwal01 <lauren.wehrmeister@arm.com> | 2019-06-24 11:28:34 -0500 |
|---|---|---|
| committer | lauwal01 <lauren.wehrmeister@arm.com> | 2019-07-02 09:14:54 -0500 |
| commit | e34606f2e400c192bac3abeb9b2053b2c91ccd7c (patch) | |
| tree | 0838213c1b952a10706c0198187a124f36a802a7 /include/lib | |
| parent | a601afe1585e8d53afb7c1ea87d0ba7a5bb85bd3 (diff) | |
Workaround for Neoverse N1 erratum 1130799
Neoverse N1 erratum 1130799 is a Cat B erratum [1],
present in older revisions of the Neoverse N1 processor core.
The workaround is to set a bit in the implementation defined
CPUACTLR2_EL1 system register.
[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.pjdoc-466751330-10325/index.html
Change-Id: I252bc45f9733443ba0503fefe62f50fdea61da6d
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
Diffstat (limited to 'include/lib')
| -rw-r--r-- | include/lib/cpus/aarch64/neoverse_n1.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/lib/cpus/aarch64/neoverse_n1.h b/include/lib/cpus/aarch64/neoverse_n1.h index 9048f437..9042d703 100644 --- a/include/lib/cpus/aarch64/neoverse_n1.h +++ b/include/lib/cpus/aarch64/neoverse_n1.h @@ -41,6 +41,8 @@ #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_2 (ULL(1) << 2) #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_16 (ULL(1) << 16) +#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_59 (ULL(1) << 59) + /* Instruction patching registers */ #define CPUPSELR_EL3 S3_6_C15_C8_0 |