[PATCH 1/2] arm: socfpga: update l2 cache settings

From: dinguyen
Date: Fri Nov 21 2014 - 00:09:03 EST


From: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>

Enable D and I prefetch helps improve SDRAM preformance.

Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-socfpga/socfpga.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
index adbf383..13b1858 100644
--- a/arch/arm/mach-socfpga/socfpga.c
+++ b/arch/arm/mach-socfpga/socfpga.c
@@ -104,7 +104,8 @@ static const char *altera_dt_match[] = {
};

DT_MACHINE_START(SOCFPGA, "Altera SOCFPGA")
- .l2c_aux_val = 0,
+ .l2c_aux_val = L310_AUX_CTRL_DATA_PREFETCH |
+ L310_AUX_CTRL_INSTR_PREFETCH,
.l2c_aux_mask = ~0,
.smp = smp_ops(socfpga_smp_ops),
.map_io = socfpga_map_io,
--
2.0.3

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