8月22日上午A会场 面向云数据中心的RISC-V IOMMU技术探索与应用(中移苏州) 现有的RISC-V虚拟化拼图包括了内核虚拟化(RVH扩展)和内存虚拟化(MMU),本talk的目标旨在用落地IOMMU补齐虚拟化拼图。talk中详细介绍了硬件架构的实现,并展示了评估结果,与软件虚拟化相比,硬件实现提升约2.6倍。 RISC-V + AI赋能AGI时代新...
ctrl_id = <0>; /* index of /dev/rpbuf_ctrl */ iommus = <&mmu_aw 5 1>; status = "okay"; }; rpbuf_sample: rpbuf_sample@0 { compatible = "allwinner,rpbuf-sample"; rpbuf = <&rpbuf_controller0>; status = "okay"; }; msgbox: msgbox@3003000 { // msgbox配置 compatible = ...
Cancel Create saved search Sign in Sign up Reseting focus {{ message }} riscv-non-isa / riscv-iommu Public generated from riscv/docs-spec-template Notifications You must be signed in to change notification settings Fork 18 Star ...
The Inline Crypto Engine (ICE) is enabled for IPQ9574. MSM8953 – The GPU and its IOMMU is introduced, the reset for the display subsystem is also wired up. VLS CLAMP registers are specified for USB3 PHYs on MSM8998, QCM2290, and SM6115. QRB4210 RB2 – USB Type-C port management i...
本步骤只有需要在boot0 阶段启动E907 的需要配置。打开设备树,注释掉下面2 条属性,因为 e907 在boot0 阶段就启动了,不能打开其IOMMU。 cconfigsvim ../board.dts 图5-2: 关闭IOMMU 5.3 配置打包e907 固件 cconfigscd ../../default/vim boot_package_nor.cfg # 取消melis-elf选项的注释,如下图vim boot...
cat /sys/class/disp/disp/attr/sysscreen 0:de_rate 300000000 hz, ref_fps:60mgr0: 480x480 fmt[rgb] cs[0x204] range[full] eotf[0x4] bits[8bits] err[0] force_sync[0] unblank direct_show[false] iommu[1]dmabuf: cache[0] cache max[0] umap skip[0] overflow[0]lcd output backligh...
This repository contains the SystemVerilog RTL implementation of an Input/Output Memory Management Unit (IOMMU), compliant with the [RISC-V IOMMU Specification v1.0](https://github.com/riscv-non-isa/riscv-iommu). An IOMMU performs permission checks, address translation and interrupt remapping on ...
5.2.1 关闭RISCV 的IOMMU 本步骤只有需要在boot0 阶段启动E907 的需要配置。打开设备树,注释掉下面2 条属性,因为 e907 在boot0 阶段就启动了,不能打开其IOMMU。 代码语言:javascript 代码运行次数:0 复制 cconfigs vim../board.dts 图5-2: 关闭IOMMU ...
本步骤只有需要在boot0 阶段启动E907 的需要配置。打开设备树,注释掉下面2 条属性,因为 e907 在boot0 阶段就启动了,不能打开其IOMMU。 cconfigsvim ../board.dts 图5-2: 关闭IOMMU 5.3 配置打包e907 固件 cconfigscd ../../default/vim boot_package_nor.cfg # 取消melis-elf选项的注释,如下图vim boot...
IOMMU – ARM SMMU driver: Add new Qualcomm device-tree compatible strings dmaengine – Support for Qualcomm SM8350, SM8450 and SC7280 PCIe controller driver – Add SM8150 SoC DT binding and support, fix pipe clock imbalance, and many other small changes ...