X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fomap5%2Fhwinit.c;h=22e0829a6a0c2482328f6136ec1e6cf2160586bc;hp=bc19aebc6db7d9b084b54763cfffda551ecf9088;hb=aa1c1dcc1c2624c251becacd540134f975ec626a;hpb=c9cf8724316f889cc6e92508ce46a9c2e8905e31

diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index bc19aebc6d..22e0829a6a 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);
 }