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Re: [RFC v2 00/12] bcma: add support for embedded devices like bcm4716

To: Hauke Mehrtens <>
Subject: Re: [RFC v2 00/12] bcma: add support for embedded devices like bcm4716
From: Rafał Miłecki <>
Date: Tue, 21 Jun 2011 13:27:38 +0200
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W dniu 20 czerwca 2011 23:28 użytkownik Hauke Mehrtens
<> napisał:
> On 06/20/2011 02:41 AM, Rafał Miłecki wrote:
>> Hey Hauke,
>> 2011/6/19 Hauke Mehrtens <>:
>>> This patch series adds support for embedded devices like bcm47xx to
>>> bcma. Bcma is used on bcm4716 and bcm4718 SoCs. With these patches my
>>> bcm4716 device boots up till it tries to access the flash, because the
>>> serial flash chip is unsupported for now, this will be my next task.
>>> This adds support for MIPS cores, interrupt configuration and the
>>> serial console.
>>> These patches are based on ssb code, some patches by George Kashperko
>>> and Bernhard Loos and parts of the source code release by ASUS and
>>> Netgear for their devices.
>>> This was tested on a Netgear WNDR3400, but did not work fully because
>>> of serial flash.
>>> This is bases on linux-next next-20110616, to which subsystem
>>> maintainer should I send these patches later, as it is based on the
>>> most recent version of bcma and bcm47xx?
>>> I do not have any normal PCIe based wireless device using this bus, so
>>> I have not tested it with such a device, it will be nice to hear if it
>>> is still working on them.
>>> The parallel flash should work so it could be that it will boot on an
>>> Asus rt-n16, I have not tested that.
>> I'm glad you are still working on it!
>> Unfortunately it's really late right now and I'm leaving tomorrow
>> (well, today as we passed midnight) for the whole week :( I'm not sure
>> if I'll get a chance to review this, not to mention testing against
>> any of my PCIe card.
> No problem have a look at it when you find some time for it. There are
> still some todos and the serial flash chip is also on my list, so I will
> not run out of stuff to do. ;-)
>>> An Ethernet driver is not included because the Braodcom source code
>>> available is not licensed under a GPL compatible license and building a
>>> new driver on that based is not possible.
>> I wonder if you could write specs for that core, so I could write
>> GPL/any driver for it? Is that driver really big?
> Now I think this will be the fastest solution. Henry Ptasinski from
> Broadcom wanted to make it possible for us to use the Braodcom driver
> directly as a base, but talking to all the lawyers and managers at
> Braodcom to make this possible takes a lot of time and is not promising.
> After this and flash support is in the kernel I will work on the
> Ethernet driver.

They are looking for releasing firmware for other PHYs for months now, so... ;)


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