Hardware Debugging Guides
Field-tested checklists for PCIe, USB, Ethernet, MIPI and boot failures.
RK3588 PCIe Not Detecting NVMe: A Step-by-Step Debug Checklist
NVMe missing from lsblk? Work through software, device tree, power/reset and signal integrity in the right order to find why the PCIe link isn't training.
9 min read · RK3588, RK3588S, RK3568
Rockchip Ethernet PHY Debugging: RGMII Delays, MDIO and Link Problems
No link, link but no traffic, or heavy packet loss on a Rockchip GMAC? Diagnose PHY detection, RGMII timing, clocks and reset in a systematic order.
8 min read · RK3588, RK3588S, RK3576
Rockchip USB Device Not Detected: Host, OTG, VBUS and PHY Checklist
A USB port that shows nothing in lsusb usually has a role, power or PHY problem. Here is the order to check them on Rockchip SoCs.
6 min read · RK3588, RK3588S, RK3576
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