Planned Support for BCM 43162 [14e4:43ae] rev 02 ?

[Arend Van Spriel]

On 6-5-2016 2:03, Rafał Miłecki wrote:
> On 5 May 2016 at 18:22, Jan Sobotka <xSobotkaJ at seznam.cz> wrote:
>> Great, now it works. Output:
>>
>> root at chobot-lenovo-laptop:/home/chobot# echo "14e4 43ae" > /sys/bus/pci/drivers/bcma-pci-bridge/new_id
>> root at chobot-lenovo-laptop:/home/chobot# dmesg | egrep "bcma|b43"
>> [ 5295.114902] bcma: bus0: Found chip with id 0x4335, rev 0x02 and package 0x01
>> [ 5295.114950] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x2E, class 0x0)
>> [ 5295.114974] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x2E, class 0x0)
>> [ 5295.115026] bcma: bus0: Core 2 found: ARM CR4 (manuf 0x4BF, id 0x83E, rev 0x04, class 0x0)
>> [ 5295.115073] bcma: bus0: Core 3 found: PCIe Gen2 (manuf 0x4BF, id 0x83C, rev 0x04, class 0x0)
>> [ 5295.115096] bcma: bus0: Core 4 found: USB 2.0 Device (manuf 0x4BF, id 0x81A, rev 0x14, class 0x0)
>> [ 5295.115119] bcma: bus0: Core 5 found: SDIO Device (manuf 0x4BF, id 0x829, rev 0x15, class 0x0)
>> [ 5295.115170] bcma: bus0: Bridge found
>> [ 5295.115221] bcma-pci-bridge: probe of 0000:02:00.0 failed with error -84
> 
> So this is device with BCM4335 chipset which is a FullMAC one AFAIK.
> It may be supported by brcmfmac. There is already support for BCM4335
> in brcmfmac but it was developed for SDIO devices only. I don't think
> we ever met BCM4335 on PCIe device.

It does have an ARM core, but for fullmac we need RAM as well and I
don't see that listed. So I guess it is a 43162 and needs softmac
driver. Also could not find any fullmac firmware for it. The only thing
I found was a hybrid wl driver release for it.

Regards,
Arend

> You may try:
> sudo su
> rmmod bcma
> echo "14e4 43ae" > /sys/bus/pci/drivers/brcmfmac/new_id
> dmesg | grep brcmfmac
> 
> However I think brcmfmac may need some extra changes to support
> BCM4335 on PCIe. Lets also see if Broadcom team can help us with this.
>