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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>
57 lines
1.6 KiB
Diff
57 lines
1.6 KiB
Diff
From d6036571b774437bb3bdd378821033e118a01fe8 Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Wed, 2 Nov 2022 23:42:52 -0500
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Subject: [PATCH 117/117] riscv: dts: allwinner: d1: Add video engine 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 | 30 ++++++++++++++++++++
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1 file changed, 30 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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@@ -105,6 +105,21 @@
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status = "reserved";
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};
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+ ve: video-codec@1c0e000 {
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+ compatible = "allwinner,sun20i-d1-video-engine";
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+ reg = <0x1c0e000 0x2000>;
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+ interrupts = <82 IRQ_TYPE_LEVEL_HIGH>;
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+ clocks = <&ccu CLK_BUS_VE>,
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+ <&ccu CLK_VE>,
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+ <&ccu CLK_MBUS_VE>;
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+ clock-names = "ahb", "mod", "ram";
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+ resets = <&ccu RST_BUS_VE>;
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+ allwinner,sram = <&ve_sram 1>;
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+ interconnects = <&mbus 4>;
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+ interconnect-names = "dma-mem";
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+ iommus = <&iommu 0>;
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+ };
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+
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pio: pinctrl@2000000 {
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compatible = "allwinner,sun20i-d1-pinctrl";
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reg = <0x2000000 0x800>;
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@@ -591,6 +606,21 @@
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#address-cells = <1>;
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#size-cells = <1>;
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+ // FIXME: Address is not verified. It is copied from A64/H6.
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+ sram@1d00000 {
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+ compatible = "mmio-sram";
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+ reg = <0x1d00000 0x40000>;
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+ ranges = <0 0x1d00000 0x40000>;
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ ve_sram: sram-section@0 {
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+ compatible = "allwinner,sun20i-d1-sram-c1",
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+ "allwinner,sun4i-a10-sram-c1";
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+ reg = <0 0x40000>;
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+ };
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+ };
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+
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regulators@3000150 {
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compatible = "allwinner,sun20i-d1-system-ldos";
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reg = <0x3000150 0x4>;
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