On Tue, Jun 07, 2016 at 08:29:26AM -0700, Andrey Smirnov wrote:
> Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
> ---
> arch/arm/include/asm/hardware/cache-l2x0.h | 7 +++++++
I need Russell's ACK on this file.
Shawn
> 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
>
>
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