From: Wilco Baan Hofman <wilco@baanhofman.nl>
To: Kalle Valo <kvalo@qca.qualcomm.com>
Cc: ath10k@lists.infradead.org
Subject: Re: num_rf_chains problem
Date: Wed, 24 Dec 2014 15:39:57 +0100 [thread overview]
Message-ID: <549AD03D.4070607@baanhofman.nl> (raw)
In-Reply-To: <878uhyg5v9.fsf@kamboji.qca.qualcomm.com>
On 23/12/14 08:52, Kalle Valo wrote:
> Wilco Baan Hofman <wilco@baanhofman.nl> writes:
>
>> I'm currently setting up openwrt with the latest git ath10k on the
>> Engenius ESR1750.
>>
>> A couple of things are off:
>> - My chip shipped with regdomain code 0x00
>> - OTP calibration is missing?
>> - DFS pattern detector is not working, possibly because of OTP missing
>> - num_rf_chains is reported as 2, which is wrong, it should be 3.
> Most likely the calibration data is somewhere in the host flash (a small
> MTD partion), there are already products which do that. The size of the
> calibration data should be 2116 bytes.
>
> That would explain why the OTP in the chip itself is empty.
>
Thanks! I have found a caldata MTD partition, but it contains quite a
bit of data.. is there a signature I can check for the start (or end) of
the calibration data?
-- Wilco
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next prev parent reply other threads:[~2014-12-24 14:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-22 19:48 num_rf_chains problem Wilco Baan Hofman
2014-12-23 7:52 ` Kalle Valo
2014-12-24 14:39 ` Wilco Baan Hofman [this message]
2014-12-24 14:46 ` Kalle Valo
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