uart interface issues (fixed)

[Eugene Krasnikov]

Hi Oleksij,

Have you tried remote debugging? Or it's only about garbing logs from
the chip. Have you tried to send commands to the chip?

2013/5/2 Oleksij Rempel <linux at rempel-privat.de>:
> Am 28.04.2013 16:17, schrieb Oleksij Rempel:
>>
>> Am 28.04.2013 13:38, schrieb Adrian Chadd:
>>>
>>> .. is it triggering BREAK interrupts or something?
>>
>>
>> I don't know, there is no serial output on this stage. JTAG may help if
>> the protocol is some how similar to EJTAG. Are there any documentation
>> about Xtensa dubug interface ;)?
>> I will need to dig in it, but not this week.
>>
>>
>>> That may be something that the boot ROM code interprets as a magical
>>> "don't start" sequence or something.
>
>
> So, this issue is fixed now.
>
> ttl TX >------[2K]--------o RX pin on AR7010
>                      |----[4K pull up]---< 3,3V
>
> In attachment are pictures from my setup ;)
>
> --
> Regards,
> Oleksij



-- 
Best regards,
Eugene