2013/7/11 Hauke Mehrtens <ha...@hauke-m.de>:
> On 07/11/2013 08:26 PM, Florian Fainelli wrote:
>> Hello Jonathan,
>>
>> Le jeudi 11 juillet 2013 14:22:25 Jonathan Bagg a écrit :
>>> Anyone interested in porting openwrt to an AP based on a BCM4706? We
>>> will compensate you and ship the hardware to your location. Current
>>> software uses the Broadcom proprietary driver.  Wifi chipset is 2x BCM4331.
>>
>> I think OpenWrt's BCM47xx port already runs on BCM4706, so I suppose your 
>> need
>> is more to get proper Wireless driver support for BCM4331 is that right?
>>
> Hi,
>
> OpenWrt works on these devices except wifi. OpenWrt boots, Ethernet,
> USB, parallel and nand flash are all working. There is still a bug in
> the PCIe host controller and b43 is the only driver in OpenWrt
> supporting the BCM4331, but b43 just works on 2.4 GHz and with
> ieee80211g rates. You have to port the proprietary Broadcom wifi driver
> to OpenWrt, I do not have access to its source code.

I believe Hauke summarized this very well.
1) Booting should work just fine
2) Ethernet driver "bgmac" has some bugs, but with BCM4706 it should
work pretty fine
3) For flashes there are two drivers: bcm47xxsflash and bcm47xxnflash.
OpenWrt currently uses some ugly hacks instead of bcm47xxsflahs in
it's pure form, but hopefully it will switch to bcm47xxsflash in next
kernel.
4) The biggest problem for you is wireless driver
Well, I didn't discover anything extra ordinary in the above, just
summarized obvious facts.

BCM4331 is right now poorly supported by b43. My plan is to add 5GHz
support and that should be pretty easy, but performance, stability and
some features like temperature management, or even protocols support
is another (more complicated) thing.
Alternative is a broadcom-wl package, which provides "wl" that can be
compiled to work with any recent driver. Unfortunately it's too old to
work with BCM4331. I'm afraid refreshing broadcom-wl to work with
recent hardware is a huge effort.

-- 
Rafał
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