From: Vladimir Zapolskiy <vz@xxxxxxxxx> All Tegra SoCs contain 256KiB IRAM, which is used to store CPU resume code and by hardware engines like a video decoder. Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx> --- arch/arm/boot/dts/tegra114.dtsi | 8 ++++++++ arch/arm/boot/dts/tegra124.dtsi | 8 ++++++++ arch/arm/boot/dts/tegra20.dtsi | 8 ++++++++ arch/arm/boot/dts/tegra30.dtsi | 8 ++++++++ 4 files changed, 32 insertions(+) diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi index 8932ea3afd5f..13f6087790c8 100644 --- a/arch/arm/boot/dts/tegra114.dtsi +++ b/arch/arm/boot/dts/tegra114.dtsi @@ -10,6 +10,14 @@ compatible = "nvidia,tegra114"; interrupt-parent = <&lic>; + iram@40000000 { + compatible = "mmio-sram"; + reg = <0x40000000 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x40000000 0x40000>; + }; + host1x@50000000 { compatible = "nvidia,tegra114-host1x", "simple-bus"; reg = <0x50000000 0x00028000>; diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi index 8baf00b89efb..a3585ed82646 100644 --- a/arch/arm/boot/dts/tegra124.dtsi +++ b/arch/arm/boot/dts/tegra124.dtsi @@ -14,6 +14,14 @@ #address-cells = <2>; #size-cells = <2>; + iram@40000000 { + compatible = "mmio-sram"; + reg = <0x0 0x40000000 0x0 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x0 0x40000000 0x40000>; + }; + pcie@1003000 { compatible = "nvidia,tegra124-pcie"; device_type = "pci"; diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 7c85f97f72ea..aaf32f96f1e8 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -9,6 +9,14 @@ compatible = "nvidia,tegra20"; interrupt-parent = <&lic>; + iram@40000000 { + compatible = "mmio-sram"; + reg = <0x40000000 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x40000000 0x40000>; + }; + host1x@50000000 { compatible = "nvidia,tegra20-host1x", "simple-bus"; reg = <0x50000000 0x00024000>; diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index 13960fda7471..3b447c64bf69 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -10,6 +10,14 @@ 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"; -- 2.14.2 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel