ARCH=ppc or ARCH=powerpc

[Kumar Gala]

On Jun 27, 2007, at 4:41 PM, Bizhan Gholikhamseh ((bgholikh)) wrote:

> Hi All,
> Sorry for asking this question again, I am still not clear on some  
> of the issues.
> Background:
> We have developed a custom board based on Freescale reference  
> board: MPC8555_CDS with MPC8541E processor running Linux 2.6.11 and  
> uboot 1.1.2 version.
>
> I would like to update the Linux kernel to the latest available  
> kernel 2.6.21.
> Here are my questions:
> 1- Should I use ARCH=ppc or ARCH=powerpc to build the kernel?

Move to ARCH=powerpc.

> 2- I have seen similar filenames under arch/ppc and arch/powerpc,  
> which one applies to MPC8541E?

There is support for MPC8541e in both arch/ppc & arch/powerpc.

> 3- Once I build the kernel, could I load the kernel with uboot  
> version 1.1.2 or not? if not what I should do?

I can't remember if u-boot 1.1.2 had support for the device tree or  
not.  If not you can use the cuImage target in arch/powerpc and use  
your existing u-boot. (or upgrade u-boot)

- k