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

[Marek Vasut <marex@denx.de>]

On Friday, July 17, 2015 at 10:22:11 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 ?

Small patchset is here :-) It's still work in progress, I'm still doing
rebases and changes, but I wanted to share something at least ...

http://git.denx.de/?p=u-boot/u-boot-socfpga.git;a=shortlog;h=refs/heads/vip/spl

Best regards,
Marek Vasut