diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/start.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 41fb24c..5050021 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -215,6 +215,19 @@ skip_errata_454179: skip_errata_430973: #endif +#ifdef CONFIG_ARM_ERRATA_621766 + cmp r2, #0x21 @ Only on < r2p1 + bge skip_errata_621766 + + mrc p15, 0, r0, c1, c0, 1 @ Read ACR + orr r0, r0, #(0x1 << 5) @ Set L1NEON bit + push {r1-r5} @ Save the cpu info registers + bl v7_arch_cp15_set_acr + pop {r1-r5} @ Restore the cpu info - fall through + +skip_errata_621766: +#endif + mov pc, r5 @ back to my caller ENDPROC(cpu_init_cp15) |