[U-Boot] [Question about ppc4xx]

[U-Boot] [Question about ppc4xx]

[김영순]

Hello there..

I'm working on my custum board based on SEQUOIA.

I'd like to use SPI & IIC in my linux application.

Where should I start??

Do I have to make my own driver to read & write via SPI & IIC??

Or, are there any usefull drivers in the kernel or somewhere??

If it is, how can I use them?

 

If you have sample code, would you give me them??

 

Best regards

 

[U-Boot] [Question about ppc4xx]

[Wolfgang Denk]

Dear =?ks_c_5601-1987?B?sei/tbz4?=,

In message <000501c90501$433d3240$c9b796c0$@com> you wrote:
> 
> I'm working on my custum board based on SEQUOIA.
> I'd like to use SPI & IIC in my linux application.
> Where should I start??

I can tell you where *NOT* to start: on a mailing list like the
U-Boot list where your request is off topic.


Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
SW engineering is a race between programmers trying  to  make  better
idiot-proof programs and the universe producing greater idiots.

[U-Boot] [Question about ppc4xx]

[Stefan Roese]

On Saturday 23 August 2008, ??? wrote:
> I'm working on my custum board based on SEQUOIA.
>
> I'd like to use SPI & IIC in my linux application.

First this is the wrong mailing list then. Its about U-Boot questions and you 
are asking about Linux I2C and SPI support. I suggest you move this over to 
linuxppc-dev.

> Where should I start??
>
> Do I have to make my own driver to read & write via SPI & IIC??
>
> Or, are there any usefull drivers in the kernel or somewhere??
>
> If it is, how can I use them?
>
>
>
> If you have sample code, would you give me them??

To give you a quick answer to your questions: I2C is supported for 4xx in the 
current Linux kernel. SPI is still missing but I'm currently busy with 
integrating the 4xx SPI support and pushing it upstream. In a few days/weeks 
you should see something on the lists.

Best regards,
Stefan

=====================================================================
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office at denx.de
=====================================================================