SpacemiT Key Stone K1
| 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 |
| Mainline | partial |
| Components | |
| CPU |
Works |
| UART |
Works |
| Storage | |
| USB | |
| Display | |
| GPU | |
| Pinctrl | |
| I²C | |
| SPI | |
| Audio | |
| Video | |
| Thermal | |
| WiFi | |
| Bluetooth | |
| NPU | |
| Suspend | |
| Ethernet | |
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 |
|---|---|---|
| Banana Pi BPI-F3 | bpi-f3 | |
| DeepComputing DC-ROMA Laptop II | dc-roma-laptop-ii | |
| DeepComputing DC-ROMA PAD II | dc-roma-pad-ii | |
| Milk-V Jupiter | milkv-jupiter | ? |
| Sipeed Lichee Pi 3A | sipeed-licheepi3a | ? |
| SpacemiT MUSE Book | spacemit-muse-book |