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On 05/16/2013 02:54 PM, Peter Korsgaard wrote:
>>>>>> "Tom" == Tom Rini <tr...@ti.com> writes:
>
> Hi,
>
>>> Perhaps the nand handling should just get moved out of
>>> gpmc_init() (or the _cs_config args should be passed to
>>> gpmc_init() ).
>
> Tom> I looked at this, on the scale of redoing omap3 too (where we
> have a lot Tom> of existing examples). The split we've got now
> works and it's harmless Tom> to re-configure CS0 in the case where
> the defaults don't work. I think Tom> this would lead us to an
> abstraction that leads to a lot of board files Tom> duplicating the
> same code.
>
> Maybe the solution is simply to have:
>
> init_gpmc_nand() and init_gpmc_nor()
It boils down to:
a) Give all of CS0 to NAND
b) Give all of CS0 to NOR
c) Split CS0 into some number of segments for whatever the board wants.
What I had looked at doing before posting was:
mem.c:
__weak void configure_gpmc_cs0() { enable nand }
gpmc_init() {
... general init ...
configure_gpmc_cs0()
}
board-fu:
void configure_gpmc_cs0() {
... let the board sort it out ...
}
But I ended up with one non-default on all of omap3,which just says
"lets re-program cs0 for our split".
- --
Tom
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