diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/hwinit.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c index bc19aebc6db..22e0829a6a0 100644 --- a/arch/arm/cpu/armv7/omap5/hwinit.c +++ b/arch/arm/cpu/armv7/omap5/hwinit.c @@ -422,5 +422,16 @@ void v7_arch_cp15_set_l2aux_ctrl(u32 l2auxctrl, u32 cpu_midr, void v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb, u32 cpu_variant, u32 cpu_rev) { + +#ifdef CONFIG_ARM_ERRATA_801819 + /* + * DRA72x processors are uniprocessors and DONOT have + * ACP (Accelerator Coherency Port) hooked to ACE (AXI Coherency + * Extensions) Hence the erratum workaround is not applicable for + * DRA72x processors. + */ + if (is_dra72x()) + acr &= ~((0x3 << 23) | (0x3 << 25)); +#endif omap_smc1(OMAP5_SERVICE_ACR_SET, acr); } |