Mars

简介

Milk-V Mars 是一款高性能的 RISC-V 单板计算机（SBC），只有信用卡大小，基于 StarFive JH7110 设计。这个四核设备支持可拆卸的 eMMC 模块，以及高达 8GB 的 LPDDR4 内存。该板配备了三个USB 3.0 端口，一个 USB 2.0 端口，一个支持 4K 分辨率的 HDMI 2.0 端口，一个支持 PoE（以太网供电）的 RJ45 以太网端口，以及一个用于 WIFI/BT 模块的 E-Key 插槽。它还包括一个 2 Lane 的 MIPI CSI 和一个 4 Lane 的 MIPI DSI，以及一个 40 PIN 的 GPIO。

规格

Milk-V Mars	Specification
SoC	Starfive JH7110 64bit SoC with RV64GC, up to 1.5GHz
Memory	LPDDR4 1GB / 2GB / 4GB / 8GB
Storage	1x eMMC Slot
	1x Micro SD Slot
	1x SPI Flash for bootloader
Video output	1x HDMI
	1x mipi DSI(2-lane)
	1x mipi DSI(4-lane)
	Max dual display output: 1 HDMI + 1 MIPI DSI
Multimedia	1x MIPI CSI(2-lane)
	H.264 & H.265 4K@60fps Decoding
	H.265 1080p@30fps Encoding
	JPEG encoder/decoder
Connectivity	1x RJ45 Gigabit Ethernet
	3x USB3 + 1x USB2
	1x M.2 E-Key
Power	USB-C port 5V DC (minimum 3A+)
	GPIO Power in, 5V DC via GPIO header (minimum 3A+)
	PoE
GPIO	40 Pin GPIO Header,up to 28x GPIO, supporting 3.3V
Dimensions	85mm x 56mm
Button	1x Recovery botton
Others	2 Pin 5V slot for FAN

特性

A 64-bit System-on-Chip (SoC) with RV64GC architecture, clocking up to 1.5GHz
Support for a removable eMMC module
Equipped with a Gigabit Ethernet port, PoE (Power over Ethernet) capable
Memory configuration up to 8GB LPDDR4
Features 3 USB 3.0 ports
Comes with 1 USB 2.0 port
Supports 1 4K HDMI 2.0 display output
Includes 2 MIPI DSI interfaces
Supports M.2 E-Key WIFI/BT module
Comes with a 40-pin GPIO interface

硬件

SoC

Starfive JH7110 has the following

RISC-V U74 quad-core and S7 monitor core with 2 MB L2 cache
Support Linux OS with kernel versions 5.10 and 5.15
CPU work frequency up to 1.5 GHz
GPU IMG BXE-4-32
32-bit LPDDR4/DDR4/LPDDR3/DDR3, up to 2,800 Mbps
Video decoder supports up to 4K@60fps and multi-stream for H.264/H.265
Video encoder supports up to 1080p@30fps and multi-stream for H.265
Provide JPEG encoder/decoder
Support up to 1080p@30fps full-functional ISP
Support video input: 1 × DVP and 1 × MIPI-CSI with 4D2C up to 4K@30fps
Support video output: MIPI display output with 4D1C up to 1080p@60fps
Support 1 × HDMI2.0 port display up to 4K@30fps
Support 24-bit RGB parallel interface up to 1080p@30fps
Support 2 × PCIe2.0, 1 lane
Support USB3.0 Host/Device (By reusing 1 of the PCIe2.0 lanes)
Support 2 × Ethernet MAC 1000 Mbps, 2 × CAN2.0B
Support IEEE 1588-2002 and IEEE 1588-2008 standards
Support TRNG and support OTP, DMA, QSPI, and other peripherals
Audio DSP supports floating-point instructions
Dedicated audio processing and sub-system

GPU

The GPU of JH7110 has the following

IMG BXE-4-32 MC1 with work frequency up to 600 MHz (400 MHz by default)
Fully compliant with the following APIs:
- Support OpenCL 3.0
- Support OpenGL ES 3.2
- Support Vulkan 1.2
Tile-based deferred rendering architecture for 3D graphics workloads, with concurrent processing of multiple tiles
Programmable high-quality image anti-aliasing
Fine-grain triangle culling
Support for DRM security
Support for GPU visualization
- Up to 8 virtual GPUs
- Support for IMG Hyper-Lane technology, with 8 hyper-lanes available
- Separate IRQs per OSID
Multi-threaded Unified Shading Cluster (USC) engine incorporating pixel shader, vertex shader, and GP-GPU (compute shader) functionality
USC incorporates an ALU architecture with high SIMD efficiency
Fully virtual memory addressing (up to 64 GB address space), supporting unified memory architecture
Fine-grained task switching, workload balancing, and power management
Advanced DMA driven operation for minimum host CPU interaction
System Level Cache (SLC)
Specialized Texture Cache Unit (TCU)
Compressed texture decoding
Lossless and/or visually lossless low area image compression - the Imagination
frame buffer compression and decompression (TFBC) algorithm
Dedicated processor for B-Series core firmware execution
- Single-threaded firmware processor with a 2 KB instruction cache and a 2 KB data cache.