[U-Boot] [PATCH] arm: socfpga: Actually enable L2 cache
Marek Vasut
marex at denx.de
Sat Dec 19 06:58:50 CET 2015
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 at denx.de>
Cc: Dinh Nguyen <dinguyen at opensource.altera.com>
Cc: Chin Liang See <clsee at altera.com>
---
arch/arm/mach-socfpga/misc.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c
index b110f5b..621f5d9 100644
--- a/arch/arm/mach-socfpga/misc.c
+++ b/arch/arm/mach-socfpga/misc.c
@@ -54,14 +54,17 @@ 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);
}
/*
--
2.1.4
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