Messages in this thread Patch in this message | | | From | Andrey Smirnov <> | Subject | [PATCH 3/3] i.MX: system.c: Replace magic numbers | Date | Sun, 12 Jun 2016 22:55:29 -0700 |
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Signed-off-by: Andrey Smirnov <andrew.smirnov@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
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