QCA998X not working at all

[Sebastian Gottschall]

  6.064984] ath10k_pci 0000:01:00.0: enabling device (0140 -> 0142)
[    6.065432] ath10k_pci 0000:01:00.0: pci irq legacy interrupts 0 
irq_mode 0 reset_mode 0
[    8.448583] ath10k_pci 0000:01:00.0: unable to read from the device
[    8.448614] ath10k_pci 0000:01:00.0: could not execute otp for board 
id check: -110
[    8.453657] ath10k_pci 0000:01:00.0: failed to get board id from otp 
for qca99x0: -110
[    8.461352] ath10k_pci 0000:01:00.0: could not probe fw (-110)


it seems that the there is some sort of problem with the otp. 
unfortunatly ath10k gives also no usefull information about the reason.
this is a embedded ap148 based device (ipq8064) with QCA998X chipsets on it

Sebastian