diff options
Diffstat (limited to 'arch/arm64/mm/proc.S')
| -rw-r--r-- | arch/arm64/mm/proc.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 18201e9e8cc7..f09636738007 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -221,6 +221,11 @@ ENTRY(__cpu_setup) cbz x9, 2f cmp x9, #2 b.lt 1f +#ifdef CONFIG_ARM64_ERRATUM_1024718 + /* Disable hardware DBM on Cortex-A55 r0p0, r0p1 & r1p0 */ + cpu_midr_match MIDR_CORTEX_A55, MIDR_CPU_VAR_REV(0, 0), MIDR_CPU_VAR_REV(1, 0), x1, x2, x3, x4 + cbnz x1, 1f +#endif orr x10, x10, #TCR_HD // hardware Dirty flag update 1: orr x10, x10, #TCR_HA // hardware Access flag update 2: |