linux-kernel - Re: wl1251 NVS calibration data format

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Message-ID: <20161217093705.p64yzumqlu3u5aq7@earth>
Date:   Sat, 17 Dec 2016 10:37:05 +0100
From:   Sebastian Reichel <sre@...nel.org>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Gery Kahn <geryk@...com>, Shahar Lev <shahar@...ery.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Pavel Machek <pavel@....cz>,
        Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Subject: Re: wl1251 NVS calibration data format

Hi,

On Fri, Dec 16, 2016 at 12:01:48PM +0100, Pali Rohár wrote:
> Hi! Do you know format of wl1251 NVS calibration data file?
> 
> I found that there is tool for changing NVS file for wl1271 and newer 
> chips (so not for wl1251!) at: https://github.com/gxk/ti-utils
> 
> And wl1271 has in NVS data already place for MAC address. And in wlcore 
> (for wl1271 and newer) there is really kernel code which is doing 
> something with MAC address in NVS, see: 
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/net/wireless/ti/wlcore/boot.c#n352
> 
> So... I would like to know if in wl1251 NVS calibration file is also 
> some place for MAC address or not.
> 
> Default wl1251 NVS calibration file is available in linux-firmware: 
> https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/tree/ti-connectivity/wl1251-nvs.bin

Pandora people [0] have a description of the format at [1].

[0] https://pandorawiki.org/WiFi
[1] http://notaz.gp2x.de/misc/pnd/wl1251/nvs_map.txt

-- Sebastian

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