Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
---
RESEND, now with Russell King on CC list.
arch/arm/include/asm/hardware/cache-l2x0.h | 7 +++++++
arch/arm/mach-imx/system.c | 5 ++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h
b/arch/arm/include/asm/hardware/cache-l2x0.h
index 3a5ec1c..5e27162 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -61,6 +61,13 @@
#define L2X0_LINE_TAG 0xF30
#define L2X0_DEBUG_CTRL 0xF40
#define L310_PREFETCH_CTRL 0xF60
+#define L310_DOUBLE_LINEFILL_EN BIT(30)
+#define L310_INSTRUCTION_PREFETCH_EN BIT(29)
+#define L310_DATA_PREFETCH_EN BIT(28)
+#define L310_DOUBLE_LINEFILL_ON_WRAP_READ_DIS BIT(27)
+#define L310_PREFETCH_DROP_EN BIT(24)
+#define L310_INCR_DOUBLE_LINEFILL_EN BIT(23)
+#define L310_ESCLUSIVE_SEQUENCE_EN BIT(21)
#define L310_POWER_CTRL 0xF80
#define L310_DYNAMIC_CLK_GATING_EN (1 << 1)
#define L310_STNDBY_MODE_EN (1 << 0)
diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c
index b153376..bd9a96b 100644
--- a/arch/arm/mach-imx/system.c
+++ b/arch/arm/mach-imx/system.c
@@ -109,7 +109,10 @@ void __init imx_init_l2cache(void)
if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) {
/* Configure the L2 PREFETCH and POWER registers */
val = readl_relaxed(l2x0_base + L310_PREFETCH_CTRL);
- val |= 0x70800000;
+ val |= L310_DOUBLE_LINEFILL_EN |
+ L310_INSTRUCTION_PREFETCH_EN |
+ L310_DATA_PREFETCH_EN |
+ L310_INCR_DOUBLE_LINEFILL_EN;
writel_relaxed(val, l2x0_base + L310_PREFETCH_CTRL);
}
--
2.5.5
