From ebe7890321250352b812dbbf127a46ef58256d1c Mon Sep 17 00:00:00 2001
From: Stefan Roese <sr@denx.de>
Date: Wed, 10 Feb 2016 09:18:46 +0100
Subject: [PATCH] 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>
---
arch/arm/mach-mvebu/cpu.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c
index 9913802a7e..fd66f59392 100644
--- a/arch/arm/mach-mvebu/cpu.c
+++ b/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)
--
2.39.5