From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>
Cc: Rob Herring <robh+dt@kernel.org>,
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 [thread overview]
Message-ID: <082616811bfc669ec92e74c26d23cc73ac8e77a9.1518973069.git.digetx@gmail.com> (raw)
In-Reply-To: <cover.1518973069.git.digetx@gmail.com>
In-Reply-To: <cover.1518973069.git.digetx@gmail.com>
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 <digetx@gmail.com>
---
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
next prev parent reply other threads:[~2018-02-18 17:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-18 17:01 [PATCH v1 0/2] Enable Video Decoder on Tegra30 Dmitry Osipenko
2018-02-18 17:01 ` Dmitry Osipenko [this message]
2018-02-18 17:01 ` [PATCH v1 2/2] ARM: dts: tegra30: Add video decoder node Dmitry Osipenko
2018-02-18 18:03 ` Andreas Färber
2018-02-18 18:29 ` Dmitry Osipenko
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