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Re: AP6275 / bcm43752 pcie on mainline brcmf

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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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