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Issues About PF100 Probe Failed On MX6S

Question asked by tony.l.cai on Mar 30, 2016
Latest reply on Mar 30, 2016 by igorpadykov


Hi,All

       I found PF100 probed failed in Uboot 2013, the log is following :

Display: Hannstar-XGA (1024x768)

 

 

In:    serial

Out:   serial

Err:   serial

 

force_idle_bus: sda=0 scl=0 sda.gp=0x6 scl.gp=0x5

force_idle_bus: failed to clear bus, sda=0 scl=0

wait_for_sr_state: failed sr=81 cr=a0 state=2020

i2c_init_transfer: failed for chip 0x8 retry=0

wait_for_sr_state: failed sr=81 cr=a0 state=2020

i2c_init_transfer: failed for chip 0x8 retry=1

wait_for_sr_state: failed sr=81 cr=a0 state=2020

i2c_init_transfer: failed for chip 0x8 retry=2

i2c_init_transfer: give up i2c_regs=021a8000

How to debug? Or have some patches?

Thank you~

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