[U-Boot] [PATCHv4 0/3] drivers/ddr/altera: Add the DDR controller driver for SoCFPGA

Dinh Nguyen
2015-07-22T12:57:49Z

On 7/22/15 4:00 AM, Marek Vasut wrote:
> On Wednesday, July 22, 2015 at 10:27:10 AM, Dinh Nguyen wrote:
>> On 7/20/15 2:40 PM, Marek Vasut wrote:
>>> On Monday, July 20, 2015 at 09:31:39 PM, Dinh Nguyen wrote:
>>> [...]
>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> yeah, I have some insane amount of cleanup patches and fixes already.
>>>>>>> I will post them once I'm done. What I am sorely missing is the
>>>>>>> UniPHY register interface documentation, it looks like that is not
>>>>>>> public, so I don't exactly know if what sequencer.c does is really
>>>>>>> correct. Sometimes I have serious doubts about that too . Can you
>>>>>>> give me the documentation please ?
>>>>>>
>>>>>> Have you seen this link[1]?
>>>>>
>>>>> Yes, but that is by far not all of the registers used in the
>>>>> sequencer.c, is it ?
>>>>
>>>> Looks like it's in the entire emi.pdf file[1]. Please look at volume 3,
>>>> or page 531 of 895. The section for the UniPHY.
>>>
>>> I extracted all the possible addresses used in the sequencer while
>>> cleaning it up, they're below.
I cannot find these in any documentation.
>>> I checked the EMI RM, sure, but there seems to be many more registers
>>> all around the place than what are described in the EMI RM. Any ideas
>>> please ? Maybe this is not even the UniPHY anymore ?
>>
>> What I've been told was that the UniPHY was not really properly
>> documented, and that when anyone needed to modify the registers, they
>> would have to go back to the RTL to figure out exactly what's going on.
>
> I guess you cannot provide me with the RTL, right ?
>

I don't think so, but will ask.

Dinh