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SpacemiT Key Stone K1

From postmarketOS Wiki
SpacemiT Key Stone K1 /
M1
Manufacturer SpacemiT
Name Key Stone K1 /
M1
Architecture riscv64
CPU 8x SpacemiT X60 @ 1.6 / 2.0 GHz
GPU IMG BXE-2-32
Year 2024
Process 22nm
Community Page https://www.workswithriscv.guide/wiki/hardware/
Components
CPU
Works
UART
Works
Storage
Partial
USB
Works
Display
Works
GPU
No data
Pinctrl
No data
I²C
No data
SPI
No data
Audio
No data
Video
No data
Thermal
No data
Camera
No data
NPU
No data
Suspend
No data
Ethernet
Works
SATA
No data


The SpacemiT Key Stone K1/M1 is a RISC-V SoC by Chinese chip designer SpacemiT released in 2024. Very early mainline support was added in Summer 2024.

The SoC consists of two clusters of 4 SpacemiT X60 cores each and features support for the RISC-V Vector Extension 1.0.

Bootloader

SpacemiT provides a U-Boot fork, a buildable version can be found here. The provided U-Boot uses proprietary blobs. There is an ongoing effort to add support for the K1 SoC in oreboot here.

Devices

Device Codename Mainline Booting
Banana Pi BPI-F3 bananapi-bpi-f3 Yes
DeepComputing DC-ROMA Laptop II dc-roma-laptop-ii No
DeepComputing DC-ROMA PAD II deepcomputing-dc-roma-pad-ii Yes
Milk-V Jupiter milkv-jupiter No
Sipeed Lichee Pi 3A sipeed-licheepi3a No
SpacemiT MUSE Book spacemit-muse-book No

Matrix channel

#SpacemiT:matrix.org

Blok diagram

See also