The L2 cache was never enabled in the v7_outer_cache_enable(), fix this and enable the L2 cache.
Signed-off-by: Marek Vasut marex@denx.de Cc: Dinh Nguyen dinguyen@opensource.altera.com Cc: Chin Liang See clsee@altera.com --- arch/arm/mach-socfpga/misc.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)
V2: Add v7_outer_cache_disable() as suggested by SR .
diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c index b110f5b..a54d2b9 100644 --- a/arch/arm/mach-socfpga/misc.c +++ b/arch/arm/mach-socfpga/misc.c @@ -54,14 +54,23 @@ void enable_caches(void)
void v7_outer_cache_enable(void) { - /* disable the L2 cache */ - writel(0, &pl310->pl310_ctrl); + /* Disable the L2 cache */ + clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
/* enable BRESP, instruction and data prefetch, full line of zeroes */ setbits_le32(&pl310->pl310_aux_ctrl, L310_AUX_CTRL_DATA_PREFETCH_MASK | L310_AUX_CTRL_INST_PREFETCH_MASK | L310_SHARED_ATT_OVERRIDE_ENABLE); + + /* Enable the L2 cache */ + setbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN); +} + +void v7_outer_cache_disable(void) +{ + /* Disable the L2 cache */ + clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN); }
/*