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authorDmitry Osipenko <digetx@gmail.com>2018-02-18 20:01:45 +0300
committerThierry Reding <treding@nvidia.com>2018-03-08 14:59:14 +0100
commitea8570362a293735461ba60704bc5db4bf3fa269 (patch)
treefc879c147a1729d1908f49cce42fdf3ceee9a26c
parent7928b2cbe55b2a410a0f5c1f154610059c57b1b2 (diff)
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ARM: tegra: Add IRAM node on Tegra30
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> Signed-off-by: Thierry Reding <treding@nvidia.com>
-rw-r--r--arch/arm/boot/dts/tegra30.dtsi8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index c3e9f1e847db..833d97206aef 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -91,6 +91,14 @@
};
};
+ iram@40000000 {
+ compatible = "mmio-sram";
+ reg = <0x40000000 0x40000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x40000000 0x40000>;
+ };
+
host1x@50000000 {
compatible = "nvidia,tegra30-host1x", "simple-bus";
reg = <0x50000000 0x00024000>;