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

Dinh Nguyen
2015-07-20T13:40:00Z

On 7/17/15 3:22 PM, Marek Vasut wrote:
> On Friday, July 17, 2015 at 09:58:20 PM, Dinh Nguyen wrote:
>> On 07/12/2015 02:50 PM, Marek Vasut wrote:
>>> On Friday, June 26, 2015 at 10:01:47 PM, Marek Vasut wrote:
>>>> On Friday, June 26, 2015 at 06:43:13 PM, Marek Vasut wrote:
>>>>> On Wednesday, June 03, 2015 at 05:52:47 AM,
>>>>> dinguyen at opensource.altera.com
>>>>>
>>>>> wrote:
>>>>>> From: Dinh Nguyen <dinguyen@opensource.altera.com>
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> This is v4 of the patch series that adds the DDR controller driver for
>>>>>> Altera's SoCFPGA platform.
>>>>>>
>>>>>> v4:
>>>>>> - Further cleanup by removing comments that do not apply for Cyclone5.
>>>>>> - Removed more unused functions
>>>>>>
>>>>>> Thanks,
>>>>>
>>>>> I applied this to u-boot/master and tried building for
>>>>> socfpga_cyclone5, this is what I'm getting after I fixed these patches
>>>>> to actually apply to u-boot/master (there was a minor conflict in
>>>>> Makefile):
>>>>>
>>>>> drivers/ddr/altera/sdram.c:11:35: fatal error: asm/arch/sdram_config.h:
>>>>> No such file or directory
>>>>>
>>>>> #include <asm/arch/sdram_config.h>
>>>>
>>>> OK, these files were misplaced by the patch. Now I got it to compile,
>>>> only to see that when I try to init DRAM on sockit using those, PHY
>>>> calibration fails (run_mem_calibrate() returns 1).
>>>>
>>>> btw. I also think sdram_config.h should go into board/altera/ instead .
>>>
>>> Just a quick heads-up, I'm cleaning this and the SPL up. I got SoCkit
>>> booting from SD/MMC and I'm over 50 patches now. I'll submit them when
>>> I'm done with this. I'd like to avoid merge conflicts now, so please
>>> wait for my submission if possible.
>>
>> So you want me to wait regarding the SDRAM patches?
>
> 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]?

Dinh
[1] https://documentation.altera.com/#/00013681-AA$NT00067543