mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
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

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=082616811bfc669ec92e74c26d23cc73ac8e77a9.1518973069.git.digetx@gmail.com \
    --to=digetx@gmail.com \
    --cc=devicetree@vger.kernel.org \
    --cc=jonathanh@nvidia.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=thierry.reding@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®