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99545b4bb1
This target adds support for the Allwinner D1 RISC-V based SoCs.
- RISC-V single-core T-Head C906 (RV64GCV)
- Tensilica HiFi4 DSP
- DDR2/DDR3 support
- 10/100/1000M ethernet
- usual peripherals like USB2, SPI, I2C, PWM, etc.
Four boards are supported:
- Dongshan Nezha STU
- 512Mb RAM
- ethernet
- LicheePi RV Dock
- 512Mb RAM
- wireless-only (RTL8723DS)
- MangoPi MQ-Pro
- 512Mb RAM
- there are pads available for an SPI flash
- wireless-only (RTL8723DS)
- Nezha D1
- 512Mb/1Gb/2Gb RAM
- 256Mb NAND flash
- ethernet, wireless
Installation:
Standard SD-card installation via dd-ing the generated image to
an SD-card of at least 256Mb.
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
44 lines
1.2 KiB
Diff
44 lines
1.2 KiB
Diff
From 4c37ac95ee354857c8c662b6b7b4bc50eea23206 Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Sun, 14 Aug 2022 11:20:37 -0500
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Subject: [PATCH 053/117] riscv: dts: allwinner: d1: Add IOMMU node
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi
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+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi
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@@ -188,6 +188,14 @@
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status = "disabled";
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};
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+ iommu: iommu@2010000 {
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+ compatible = "allwinner,sun20i-d1-iommu";
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+ reg = <0x2010000 0x10000>;
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+ interrupts = <80 IRQ_TYPE_LEVEL_HIGH>;
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+ clocks = <&ccu CLK_BUS_IOMMU>;
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+ #iommu-cells = <1>;
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+ };
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+
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codec: audio-codec@2030000 {
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compatible = "simple-mfd", "syscon";
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reg = <0x2030000 0x1000>;
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@@ -681,6 +689,7 @@
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<&display_clocks CLK_MIXER0>;
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clock-names = "bus", "mod";
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resets = <&display_clocks RST_MIXER0>;
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+ iommus = <&iommu 2>;
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ports {
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#address-cells = <1>;
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@@ -703,6 +712,7 @@
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<&display_clocks CLK_MIXER1>;
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clock-names = "bus", "mod";
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resets = <&display_clocks RST_MIXER1>;
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+ iommus = <&iommu 2>;
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ports {
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#address-cells = <1>;
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