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SubjectRe: [PATCH v2] ARM: dts: zynq: Add OCM node
On 02/12/2015 03:58 PM, Sören Brinkmann wrote:
> On Thu, 2015-02-12 at 12:01PM +0100, Michal Simek wrote:
>> On 02/12/2015 11:54 AM, Mark Rutland wrote:
>>> On Thu, Feb 12, 2015 at 10:42:47AM +0000, Michal Simek wrote:
>>>> Add OCM node for all zynq boards. OCM location
>>>> can changed but for all current boards this
>>>> is the location where OCM is.`
>>>>
>>>> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
>>>> ---
>>>>
>>>> Changes in v2:
>>>> - Move node to board file suggested by Mark
>>>>
>>>> This patch is done based on discussion here.
>>>> https://lkml.org/lkml/2014/12/1/396
>>>>
>>>> Mark: I expect you won't like amba bus reference or
>>>> am I wrong?
>>>
>>> I'm fine with dropping things onto a bus in this way. If we're happy to
>>> do it for other nodes I don't see why busses should be special.
>>
>> Wonderful. I will give people some time to comment this style.
>
> Given that the location is discoverable, wouldn't it make sense to let
> 'reg' point to the ctrl/cfg registers in the SLCR and let the driver
> handle the whereabouts of the OCM location? (but I guess this is going
> in circles now, such a proposal was on the table at some point, IIRC).
> But I'd prefer:
> memory-controller@0xfffc0000 { /* the address here would of course not match all configurations */
> interrupts = ...;
> syscon = &slcr;
> };

That was discussed with Arnd at that link above.

Thanks,
Michal




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