[U-Boot-Users] Patch: Support for PQ27e (8247/48/71/72) chips and MPC8272ADS board
Kumar Gala
kumar.gala at motorola.com
Wed Mar 17 16:03:33 CET 2004
On Mar 17, 2004, at 4:54 AM, Yuli Barcohen wrote:
>>>>>> Kumar Gala writes:
>
> Kumar> Yuli, I agree with only enabling ports that will be used. I
> Kumar> guess I would expect the port to be used in Linux.
>
> If it's to be used in Linux but not in the U-Boot, let Linux initialise
> it.
>
> Kumar> I'm working on an updated 2.6 SCC uart driver and realized
> Kumar> that I needed to enable the 2nd port in BCSR. I had
> expected
> Kumar> that u-boot would have already handled it.
>
> I see. In Arabella Linux, there is clear separation between boot and
> kernel and between chip-specific and board-specific code. ADS-specific
> file in Linux kernel is the place where the BCSR handling lives, so
> we've got generic SCC UART driver and perform all the initialisations
> (including board-specific BCSR) only when some code requests them.
>
Your correct, I will have the platform code for the board deal with
initializing the BCSR in Linux.
Thanks
- kumar
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