> -----Original Message----- > From: Stefan Roese <s...@denx.de> > Sent: Thursday, September 12, 2019 6:06 PM > To: Ashish Kumar <ashish.ku...@nxp.com>; Schrempf Frieder > <frieder.schre...@kontron.de>; Ye Li <ye...@nxp.com>; > ja...@amarulasolutions.com > Cc: Fabio Estevam <fabio.este...@nxp.com>; u-boot@lists.denx.de; dl- > uboot-imx <uboot-...@nxp.com> > Subject: Re: [U-Boot] [EXT] Re: [PATCH 1/6] spi: fsl_qspi: Fix DDR mode > setting for latest iMX platforms > > Caution: EXT Email > > Hi Ashish, > > On 12.09.19 07:03, Ashish Kumar wrote: > > <snip> > > >>>>>>> Please suggest way forward. How to correct this issue? > >>>>> > >>>>> The first thigh would be to make sure the Linux driver works for > >>>>> all platforms and then do the porting to U-Boot. I will be out of > >>>>> office for > >>>>> 10 days. After that I can try to work on this, but I need support > >>>>> and testing for other platforms. I only have i.MX6UL/ULL. > >>>> > >>>> Hi Frieder, > >>>> > >>>> I have found some break though after porting to 2019.10 and few > >> modification in driver code, I will update in a weeks' time. Please > >> do not invest time on this. > >>>> If I need some help I will update. > >>> > >>> Thanks for your work. Do you already have some news? Can you share > >>> your results? > >> > >> I'm most likely currently running in similar issues on tests with the > >> i.MX6ULL EVK. QSPI does not work reliably. So before digging deeper > >> into the QSPI driver, I wanted to check on the status of any updates > >> in the driver. Is there anything available that I could use for testing > already? > > Hi Stefan, Frieder, > > > > The spi-mem version is still under debug, I could make it working for > > ls1088rdb, ls1046rdb, but it is failing for ls1012ardb and ls2088ardb > > and untested for i.mx and other Layerscape silicon/boards . It is > > derived from work done by Frieder earlier. > > This version can be found here: > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith > > ub.com%2Ferashish007%2Fu-boot-spi-mem%2Ftree%2Fspi-mem- > port&data=0 > > > 2%7C01%7Cashish.kumar%40nxp.com%7C2697e09d52b94dc737ce08d737cd3 > 34c%7C6 > > > 86ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637039226779815773& > ;sdata > > > =NqcR9VBELvvXhcCay850Fj%2BEZuOjkJzf15IXdBR4l2A%3D&reserved=0 > > Many thanks. I did some tests with this version and it seems to work fine in > general on the i.MX6ULL EVK. My first tests show that reading and writing > has no issues. So this is very promising. The only thing I noticed is, that > when > using SPI for environment via CONFIG_ENV_IS_IN_SPI_FLASH, the board > hangs upon bootup while trying to read the env. Since you already added > some debug print's to the env code, I suspect that you also did run into this > problem. > > I'll try to help with this driver version. At least I can debug this env > issue and > can always do some test on my mx6ull platform for you once you have any > updates here. Just let me know. Hi Stefan,
Yes, I was also debugging the same, what confuses me is that it works on Ls1046, ls1088, but fails on ls2088, ls1012. Regards Ashish > > > There is completely working version of fsl_qspi.c based on old xfer > > method, which was not accepted in upstream, considering it is > > recommended to migrate to spi-mem frame. This version is located here: > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith > > ub.com%2Ferashish007%2Fu-boot-spi- > mem%2Ftree%2Fxfer_wrking&data=02 > > > %7C01%7Cashish.kumar%40nxp.com%7C2697e09d52b94dc737ce08d737cd33 > 4c%7C68 > > > 6ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637039226779815773& > sdata= > > qpksEv36Zjb6jXKsnWN5iVtAoG9UEQFMIi4uu1OgiJ8%3D&reserved=0 > > This one does not work for me on the i.MX6ULL EVK. "sf read" command > returns almost immediately and the data is not read as it seems. I did not dig > into this deeper though. > > Thanks, > Stefan _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
