[U-Boot] Micrel Ethernet controller with SPI

[Steven Zedeck <saz@proliphix.com>]

Mike,
I "think" what I need to do is to create or find a driver that will
ultimately live in drivers/net/ and has functions such as eth_init,
eth_send, eth_tx, etc.

Currently we use a different chip and it is supported by the existing
u-boot. The Ethernet chip is supported by drivers/net/enc28J60.c Many other
chips are supported by files in the same directory.

All I'm really concerned with is u-boot's ability to do a ping test as well
as read/write registers.
Do you have support for eth_send, rx, etc?
Thanks,
Steve


Mike Frysinger wrote:
> 
> On Friday 20 February 2009 14:17:10 Ben Warren wrote:
>> Steven Zedeck wrote:
>> > I'm not sure whether I'm supposed to ask this question as I am still
>> new
>> > to this list.
>> >
>> > I am working on a project using U-boot but the Ethernet controller is
>> the
>> > Micrel KSZ8851.
>> > Does a driver exist that supports this chip? I assume it would be in
>> > drivers/net/
>> >
>> > I don't have it in my version which is based on 2008.10
>> >
>> > Before I go through the effort to write one, I thought I'd ask whether
>> > the U-boot community has one or perhaps someone is working on one.
>>
>> I wrote one for the KSZ8841 but it's not in the tree.  It used a memory
>> interface, though, not SPI.  Not sure if that would help or not.  If you
>> think it's close enough I can dig it up, though it may take some time.
> 
> the Blackfin BF518F-EZBRD board has the same micrel part.  we hook up to
> it 
> via the on-chip MAC and to control it, we use the SPI bus.  but we dont do 
> anything special ... we just turn it on in the board init code.  all the
> other 
> networking stuff is handled via the on-chip MAC driver ...
> 
> look at the board_eth_init() function here:
> http://git.denx.de/?p=u-boot/u-boot-
> blackfin.git;a=commitdiff;h=e24cbd1d2cfddfe0f211eb1a5f2aad23e2a52c22
> 
> i dont think u-boot has the framework to hook up MAC switches like the
> micrel 
> part yet ... even the Linux kernel lacks proper support still (although 
> patches are floating around).
> -mike
> 
>  
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