From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751739AbeBRRDB (ORCPT ); Sun, 18 Feb 2018 12:03:01 -0500 Received: from mail-lf0-f67.google.com ([209.85.215.67]:33957 "EHLO mail-lf0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751502AbeBRRCe (ORCPT ); Sun, 18 Feb 2018 12:02:34 -0500 X-Google-Smtp-Source: AH8x225h3+DvdCqdLzK/f94oWAkS8UluuLHX7mIdLqlpJfphf5AGjDGxrhT7rSrwcnsE7/aIAc3qsA== From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter Cc: Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/2] ARM: dts: tegra30: Add IRAM node Date: Sun, 18 Feb 2018 20:01:45 +0300 Message-Id: <082616811bfc669ec92e74c26d23cc73ac8e77a9.1518973069.git.digetx@gmail.com> X-Mailer: git-send-email 2.16.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org IRAM is a static RAM that consists of four contiguous 64 KiB blocks, it is currently used to store CPU resume code, utilized by the video decoder engine and could be used as a general-purpose fast memory. Signed-off-by: Dmitry Osipenko --- arch/arm/boot/dts/tegra30.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index c3e9f1e847db..1fb0c421a9d8 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -11,6 +11,14 @@ compatible = "nvidia,tegra30"; interrupt-parent = <&lic>; + iram@40000000 { + compatible = "mmio-sram"; + reg = <0x40000000 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x40000000 0x40000>; + }; + pcie@3000 { compatible = "nvidia,tegra30-pcie"; device_type = "pci"; -- 2.16.1