From ebe7890321250352b812dbbf127a46ef58256d1c Mon Sep 17 00:00:00 2001 From: Stefan Roese 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 Cc: Luka Perkov --- 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) -- 2.25.1