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Message-ID: <9fe8caec-453a-28c1-04d3-5966200b8db1@broadcom.com>
Date:   Thu, 24 Nov 2022 13:22:09 +0100
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Subject: Re: AP6275 / bcm43752 pcie on mainline brcmf
To:     Andy Green <andy@warmcat.com>, Shengyu Qu <wiagn233@outlook.com>
Cc:     franky.lin@broadcom.com, linux-wireless@vger.kernel.org
References: <TY3P286MB26114DD461F50814980453E598029@TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM>
 <08416710-655a-c87c-a599-3fe2563f7de4@warmcat.com>
 <18470a1e910.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com>
 <TY3P286MB26115A58795F264893CCB40198029@TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM>
 <184720fc920.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com>
 <TY3P286MB26118BD94839F752CADCCF5298079@TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM>
 <625f1d5d-e137-7ad7-96b9-92035e87df8b@broadcom.com>
 <638afa8e-a393-410c-3182-0d8e9b6da17d@warmcat.com>
 <1848793db88.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com>
 <3a562a50-0cef-4879-3691-3258596f5213@warmcat.com>
 <1cbb3bf5-fd70-e9db-2405-640178862857@broadcom.com>
 <6c3f592e-3e20-edef-ce7a-cde8988eef2d@warmcat.com>
From:   Arend van Spriel <arend.vanspriel@broadcom.com>
In-Reply-To: <6c3f592e-3e20-edef-ce7a-cde8988eef2d@warmcat.com>
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On 11/24/2022 1:14 PM, Andy Green wrote:
> 
> 
> On 11/24/22 09:42, Arend van Spriel wrote:
>> On 11/18/2022 6:41 AM, Andy Green wrote:
>>>
>>>
>>> On 11/17/22 21:52, Arend Van Spriel wrote:
>>>
>>>> I see. So could you load bcmdhd and provide log. Preferably with 
>>>> higher debug level. It also has a module parameter for it. I think 
>>>> it is called dhd_msg_level and please set it to 0x817.
>>>
>>> It's here:
>>>
>>> https://warmcat.com/ap6275p-dhd-log1.txt
>>
>> Hi Andy,
>>
>> Thanks for the log. Together with the dhd driver sources I could make 
>> some sense of it. Perhaps you can try the following hack and see if we 
>> make it over the first hurdle.
> 
> OH!  I found that the line below should be count, not sizeof(count).

Good job! I was testing you obviously. You passed. Nah, I just feel stupid.

>> +    addr -= sizeof(count);
>> +    memcpy_toio(devinfo->tcm + addr, seed, count);
>> +}
> 
> With that, you were right on the money, the firmware comes up
> 
> [    3.796062] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43752/2 
> wl0: Jul 12 2022 18:54:54 version 18.35.387.23.146 (g412cc5ec) FWID 
> 01-93c53be6
> 
> along with
> 
> wlP2p33s0: flags=4098<BROADCAST,MULTICAST>  mtu 1500
>          ether d4:9c:dd:f5:bf:7e  txqueuelen 1000  (Ethernet)
>          RX packets 0  bytes 0 (0.0 B)
>          RX errors 0  dropped 0  overruns 0  frame 0
>          TX packets 0  bytes 0 (0.0 B)
>          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
> 
> I will try get it to scan...
> 
> ... any way, good job!

Thanks. Will clean it up and formally submit it. I also had a quick look 
at the SDIO variant, but not seeing anything obvious there in terms of 
firmware loading.

Regards,
Arend

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