diff options
Diffstat (limited to 'arch/arm/cpu/armv7/start.S')
| -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 7eee54ba700..1a6aee94424 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -270,6 +270,19 @@ skip_errata_430973: skip_errata_621766: #endif +#ifdef CONFIG_ARM_ERRATA_725233 + cmp r2, #0x21 @ Only on < r2p1 (Cortex A8) + bge skip_errata_725233 + + mrc p15, 1, r0, c9, c0, 2 @ Read L2ACR + orr r0, r0, #(0x1 << 27) @ L2 PLD data forwarding disable + push {r1-r5} @ Save the cpu info registers + bl v7_arch_cp15_set_l2aux_ctrl + pop {r1-r5} @ Restore the cpu info - fall through + +skip_errata_725233: +#endif + mov pc, r5 @ back to my caller ENDPROC(cpu_init_cp15) |