From ea8570362a293735461ba60704bc5db4bf3fa269 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Sun, 18 Feb 2018 20:01:45 +0300 Subject: [PATCH] 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 Signed-off-by: Thierry Reding --- 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..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>; -- 2.30.2