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arm: mvebu: Don't enable d-cache on A375

Armada 375 still has some problems with d-cache enabled in the ethernet
driver (mvpp2). So lets keep the d-cache disabled until this is solved.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Stefan Roese 8 年之前
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共有 1 个文件被更改,包括 9 次插入2 次删除
  1. 9 2
      arch/arm/mach-mvebu/cpu.c

+ 9 - 2
arch/arm/mach-mvebu/cpu.c

@@ -536,8 +536,15 @@ void enable_caches(void)
 	/* Avoid problem with e.g. neta ethernet driver */
 	invalidate_dcache_all();
 
-	/* Enable D-cache. I-cache is already enabled in start.S */
-	dcache_enable();
+	/*
+	 * Armada 375 still has some problems with d-cache enabled in the
+	 * ethernet driver (mvpp2). So lets keep the d-cache disabled
+	 * until this is solved.
+	 */
+	if (mvebu_soc_family() != MVEBU_SOC_A375) {
+		/* Enable D-cache. I-cache is already enabled in start.S */
+		dcache_enable();
+	}
 }
 
 void v7_outer_cache_enable(void)