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111 lines
4.4 KiB
Markdown
111 lines
4.4 KiB
Markdown
# BeagleV-Ahead
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## Certified open source
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<a href="https://certification.oshwa.org/us002535.html">
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<img src="OSHW_mark_US002535.png" alt="drawing" width="200"/>
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</a>
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## Links
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* Terms and conditions: https://docs.beagleboard.org/latest/boards/terms-and-conditions.html
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* Documentation: https://docs.beagleboard.org/latest/boards/beaglev/ahead
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* Design: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead
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* Support: https://forum.beagleboard.org/tags/c/beaglev/15/ahead
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* Repair: https://www.beagleboard.org/rma
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* Purchase: https://beaglev-ahead.org
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## Features
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* T-Head TH1520 AI system-on-chip processor
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* Quad-core XuanTie C910 open-source RTL RISC-V (RV64GCV ISA) CPU @ 2GHz
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* 3 issue, 8 instruction, 9-12 stage pipeline
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* In-order fetch, out-of-order launch, out-of-order completion and in-order retirement
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* 64KB I-cache, 64KB D-cache per core
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* AI NPU with 4TOPS INT8 @ 1GHz
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* Support for TensorFlow, ONNX, Caffe
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* Feature extraction accelerator
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* Image signal processor
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* H.264/H.265/JPEG video encoder and decoder
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* 2D accelerator
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* 3D Vulkan/OpenCL/OpenGLES accelerator (IMG?)
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* C906-based (RV64IMA\[FD]C\[V] ISA) audio processor subsystem
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* 4GB LPDDR4
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* 16GB eMMC
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* New Beagle form-factor open-source development board
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* ~2xSuperSpeed-USB type-A host (stacked)~
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* SuperSpeed USB type-C dual-role with power input (no power output)
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* Consider adding USB-to-serial/JTAG for the type-C device and move USB to host-only
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* Gigabit Ethernet with speed/connection indicators
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* HDMI type-A connector
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* TBD SDIO WiFi
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* uSD card cage
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* 2xCSI ribbon cable connectors
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* 1xDSI ribbon cable connector
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* 2x46-pin expansion headers with 4-pin HS-USB extension
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* 2x8-pin "mikroBus shuttle" ribbon-cable connector for audio and sensors
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* 3-pin TTL-level debug UART connector
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* Fan power connector (fan is optional)
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* 6x LEDs (1 power, 5 programmable)
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* 3x push-buttons (power, reset, boot/user)
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* 5V barrel jack
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* BeagleBoard.org Debian Linux image
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* Tracking mainline u-boot/kernel with T-Head patches as needed
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* Package feeds for custom binaries for TensorFlow Lite, etc.
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* Familiar and flexible graphical user interface environment
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* Self-hosted Visual Studio Code IDE via web-browser
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* USB-based virtual network for "single-cable development"
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# Requirements to begin
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* Documentation needs to *start*
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* Reference schematic and PCB source files
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* Reference for DDR
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* Reference for PMIC and power design
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* Additional SoC details (Chinese language is good) - pointers to licensed IP is fine
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* Power consumption
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* Clear legal path to usage
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* Verify the IP in the SoC is licensed for use
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* Verify the IP *user* documentation can be public
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* Signed 3P agreement
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* Supplier part commitment
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* 10k parts for launch
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* ~~50k units per year~~
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* ~~fixed price and availability 5 years as long as 10k units per year~~
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* SDK source required to test board
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* Review Linux device tree
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* Documentation needs to *launch*
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* Additional SoC details (Chinese language is good) - pointers to licensed IP is fine
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* Overview of SoC Memory Map
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* Boot process
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* Clocking and reset
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* Interrupts map or List
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* PLIC (Platform Level Interrupt Controller)
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* CLINT (Core-Local Interruptor)
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* L2 Cache Controller
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* DMA Controller
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* DDR interface
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* UART peripheral (including register map)
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* PWM peripheral (including register map)
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* I2C controller (including register map)
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* SPI controller (including register map)
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* GPIO controller (including register map)
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* Gigabit Ethernet MAC (including register map)
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* USB controller (including register map)
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* SDK source
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* Open source Linux kernel with reasonable SoC entitlement (or register-level detailed IP documentation)
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* V4L2 driver for video encoder/decoder
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* IMG 3D open source Mesa/Vulkan driver
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* libcamera and V4L2 driver for ISP and CSI video interace for common sensors (IMX219-based Pi camera)
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* DRM driver for the 2D image accelerator, display processing unit and DSI video interface
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* ALSA driver for audio interface
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## DVT v0.2 testing
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1. [Flash latest Ubuntu image](flashing.md)
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2. [UART debug port access](debug.md)
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3. [WiFi connection](WiFi.md)
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4. [GPIO testing](GPIO.md)
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5. [Bluetooth testing](Bluetooth.md)
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