Re: [Openocd-development] [PATCH] lpc21xx: common target script

[Øyvind H. <oyv...@zy...>]

On Thu, Jan 6, 2011 at 1:19 PM, Freddie Chopin <fre...@op...> wrote:
> On 2011-01-06 13:00, Øyvind Harboe wrote:
>>
>> What about the reset-init sequences?
>>
>> E.g. LPC2478 has a reset-init sequence that is gone here, so
>> this would break flash programming.
>>
>> Can or should the reset-init sequences be pretty much centralized too?
>> Are they simply missing from some of the other files?
>
> I can't say that for sure (I cannot check that), but I think that these
> reset-init sequences are no longer valid / necessary since srst_pulls_trst
> was removed. Basically all these procedures did was change state to ARM and
> force flash to be remapped on the address 0. Now - since "halt" is possible
> right after reset, the core state is ARM (there is no chance that a running
> code changed that to thumb before halt), and forcing the remap is probably
> not good too, because after this early halt the bootloader code should be
> executed anyway. This should not affect flashing, as this is done via
> special ISP commands in LPC2xxx - these commands don't care for remap.

Nice! Sounds like a good simplification then!

> LPC2103 (which I have) worked for me without any additional steps - forcing
> ARM state or remap.


Any objections to committing Freddie's patch then?

-- 
Øyvind Harboe

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