Re: LPC43xx

[Alexander Shiyan]

Mon, 17 Nov 2014 09:01:02 -0300 от Ezequiel Garcia <ezequiel at vanguardiasur.com.ar>:
> 
> 
> On 11/17/2014 04:39 AM, Alexander Shiyan wrote:
> > Sun, 16 Nov 2014 18:35:23 -0300 от Ezequiel Garcia <ezequiel at vanguardiasur.com.ar>:
> >> Hi Alexander,
> >>
> >> On 10/21/2014 01:34 PM, Alexander Shiyan wrote:
> >>> Hello all.
> >>>
> >>> We started developing device which uses NXP LPC43xx CPU. I would like to add
> >>> support for this CPU series into barebox.
> >>> The problem is that there is no support for this architecture in the Linux kernel,
> >>> and it would upset the current concept (the barebox tree is very similar to Linux
> >>> tree and we not have any orphan arch-s).
> >>
> >> I'm working on the upstream Linux port for LPC43xx SoCs. The obvious
> >> choice would be mach-lpc43xx. The problem is that LPC18xx are similar
> >> SoCs, and I think it would make sense to have them in the same mach-xxx.
> >> Haven't made up my mind on this issue, and I suspect we won't find out
> >> until we push some patches upstream.
> >>
> >> Anyway, if you make any progress with the barebox port, I'd be happy to
> >> take a look and help you test it.
> > 
> > The kernel has existing mach-lpc32xx architecture. I think it would be appropriate
> > to rename it to mach-lpc and move the CPU-specific options in the local KConfig as first step.
> > 
> 
> LPC3xxx is ARMv5 based while LPC4xxx and LPC1xxx are ARMv7-M based.

This should not be a problem. Look at the i.MX architecture, this contain v4, v5, v7 CPUs.

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