Quartz64 Development

This page documents the current status of software support for the Quartz64 single-board computer, and provides links to resources to help prospective contributors get started. Information is kept current on a best-effort basis as various patches get accepted into the kernel.

Overview

Upstreaming Status

Function	Status		Component	Notes
Video Output	Needs porting		rockchipdrm/VOP-v2
3D Acceleration	Linux Mainline	Upstream Mesa	panfrost
Video Decode	Linux Staging	Not in ffmpeg[1]	hantro-vpu, using v4l2-requests	Speculative status on this also being hantro, can't find rk35* in drivers/staging/media/
Audio	Needs porting		snd-soc-rockchip-i2s?
	linux-next[2]		rk817-codec
u-boot	Waiting on ATF sources
Device Tree	Early rk3568 dts in review
Gigabit Ethernet	In review[3]		rk3566-gmac
	linux-next[4]		yt8511-phy
IOMMU	In review[5]		rockchip-iommu
GPIO	In review[6]		gpio-rockchip
pinctrl	Linux Mainline
Thermal Regulation	In review[7]		rockchip-thermal
PCIe	In review[8]		pcie-dw-rockchip
Power Management	linux-next[9]		rockchip-pm-domain
Voltage Control	In review[10]		rk3568-pmu-io-voltage-domain
SPI	Needs a driver

Current Status

The following sections give an overview over the current status of different parts of the board. Some parts are waiting on a driver to be written or ported, others only need various adjustments.

General performance is poor, this is likely due to the AHB bus running slow, and may require some major rework of the clock layout to get to acceptable speeds.

Working

• eMMC
• SDMMC0 (SD cards)
• GMAC (Gigabit Ethernet)
• USB 2.0
• SATA 2
• SATA 3
• UART
  • UART 0 (Pi-bus)
  • UART 1 (Bluetooth)
  • UART 2 (Pi-bus, debug)
• Video Decode
  • VP8

Partially Working

• PCI-Express Controller — everything but devices that need cache coherency (e.g. dGPUs) should work
• USB 3.0 — at 2.0 speeds only, appears to be due to a PHY configuration issue
• SDMMC1 (Wi-Fi) — AP6256 working, BL602 needs some work to make it flash firmware
• I²C — works but is not yet exposed to the Pi-bus

Confirmed Broken

• Nothing!

Needs Testing

• GPU — Need a VOP-v2 DRM driver to get display output
• Battery
• Audio — Needs I2S driver
• E-Paper
• SPI — Needs a driver

Resources

Repositories

• BSP based development effort for SPL/U-Boot and Linux
  • https://gitlab.com/pine64-org/quartz-bsp

Other

• Rockchip-SoC Patchwork Page
  • https://patchwork.kernel.org/project/linux-rockchip/list/
• Rockchip Kernel Mailing List Archive
  • https://lore.kernel.org/linux-rockchip/

Board/SoC Documentation

Booting

Boot Order

The RK3566 boot ROM will search for a valid ID BLOCK in the following order on the support boot media:

• SPI NOR flash
• SPI NAND flash
• eMMC
• SD-Card

... if this fails, the boot ROM will initialize the USB0 port and wait for a connection from the Rockchip flash/boot tools.