From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755664AbcFGP3w (ORCPT ); Tue, 7 Jun 2016 11:29:52 -0400 Received: from mail-pa0-f68.google.com ([209.85.220.68]:36168 "EHLO mail-pa0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161418AbcFGP3u (ORCPT ); Tue, 7 Jun 2016 11:29:50 -0400 From: Andrey Smirnov To: linux-arm-kernel@lists.infradead.org Cc: Shawn Guo , Sascha Hauer , linux-kernel@vger.kernel.org, Andrey Smirnov Subject: [PATCH 3/3] i.MX: system.c: Replace magic numbers Date: Tue, 7 Jun 2016 08:29:26 -0700 Message-Id: <1465313366-5182-3-git-send-email-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1465313366-5182-1-git-send-email-andrew.smirnov@gmail.com> References: <1465313366-5182-1-git-send-email-andrew.smirnov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Andrey Smirnov --- 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