From: Pantelis Antoniou <panto@intracom•gr>
To: jmasel@arabellasw•com
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: [RFC][PATCH 2.6.12-rc2 3/3] FCC Ethernet PlatformDevice
Date: Thu, 05 May 2005 17:40:41 +0300 [thread overview]
Message-ID: <427A3069.4020906@intracom.gr> (raw)
In-Reply-To: <E1DTgrw-0004Lt-00@gold.webfusion.co.uk>
Jonathan Masel wrote:
> Are you interested in looking at our Resource Manager? It works in 2.4 and
> 2.6 kernels for a wide range of PQ's (virtually all of them).
>
> It seems to take some of these ideas, but further. The basic idea is to
> handle at all on-chip resources in an orderly and robust way (not just
> modularly, but that too). We allocate parallel port pins, clocks (BRG or
> CLK), internal DPRAM and communication channels to "consumers". Board
> specific (if/where needed) are all located in a single per-board file.
> Allocation is all dynamic and we can check that we're not conflicting with
> prior requests. There are quite a few other goodies too (display all
> consumers to which certain resources are allocated, etc).
>
> This lets us easily handle dynamic configurations. E.g. configure pins for
> I2C during reset or start-up, modify them later on when you need ATM (they
> are multiplexed on the same pins on several devices). Or, as you mentioned,
> dynamic modules - but even when they have potentially conflicting requests.
>
> And it is one, simple to use mechanism that we use across all devices
> (adapted for PQ1, PQ2 and PQ3).
>
> If you're interested, please let me know. We'd be happy to contribute it if
> it will help.
>
> Jonathan
>
>
Hi Jonathan.
This is a good time for everyone working in freescale platforms to
just put on the table what it uses and see if a common ground can
be found.
So please post the files, and some comments on how they work.
Regards
Pantelis
prev parent reply other threads:[~2005-05-05 14:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.0.1115279646.20825.linuxppc-embedded@ozlabs.org>
2005-05-05 14:58 ` [RFC][PATCH 2.6.12-rc2 3/3] FCC Ethernet PlatformDevice Jonathan Masel
2005-05-05 14:40 ` Pantelis Antoniou [this message]
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