It parses the output of dmesg for uPD72020x controllers which failed to initialize during boot and attemps to upload the firmware file to them. The script upd72020x-check-and-init automates the upload process.Use echo -n 0000:02:00.0 > /sys/bus/pci/drivers/xhci_hcd/unbind before and echo -n 0000:02:00.0 > /sys/bus/pci/drivers/xhci_hcd/bind after running upd72020x-load, with the correct PCI address for your computer. The error message ERROR: SET_DATAx never go to zero is apparently sometimes(?) caused by a conflict with the XHCI kernel driver.This process is non-persistent, the chipset RAM is cleared when the power supply is removed. ![]() upd72020x-load -u -b 0x02 -d 0x00 -f 0x0 -i m with -b, -d and -f specifying the PCI bus, device and function address. The firmware image is uploaded into the chipset RAM using the command.I am using firmware version 2.0.2.6 with my uPD720202-based card. ![]() It might be extracted from the update tool for Windows (either downloaded from the Internet or obtained from a driver disk shipped with the card).
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