[U-Boot] [PATCH v6 00/27] SPI-NAND support

[Miquel Raynal]

Hi Daniel,

Daniel Schwierzeck <daniel.schwierzeck at gmail.com> wrote on Tue, 7 Aug
2018 16:39:34 +0200:

> 2018-08-04 9:23 GMT+02:00 Miquel Raynal <miquel.raynal at bootlin.com>:
> > Hi Jagan,
> >
> > Jagan Teki <jagan at amarulasolutions.com> wrote on Fri, 3 Aug 2018
> > 17:38:33 +0530:
> >  
> >> On Fri, Aug 3, 2018 at 3:20 PM, Jagan Teki <jagan at amarulasolutions.com> wrote:  
> >> > On Fri, Aug 3, 2018 at 1:57 PM, Miquel Raynal <miquel.raynal at bootlin.com> wrote:  
> >> >> Hi Jagan, Tom,
> >> >>
> >> >> Miquel Raynal <miquel.raynal at bootlin.com> wrote on Wed,  1 Aug 2018
> >> >> 10:18:21 +0200:
> >> >>  
> >> >>> During the last months, Boris Brezillon shared his work to support
> >> >>> serial flashes within Linux. First, he delivered (and merged) a new
> >> >>> layer called spi-mem. He also initiated in Linux MTD subsystem the move
> >> >>> of all 'raw' NAND related code to a raw/ subdirectory, adding at the
> >> >>> same time a NAND core that would be shared with all NAND devices. Then,
> >> >>> he contributed a generic SPI-NAND driver, making use of this NAND core,
> >> >>> as well as some vendor code to drive a few chips.
> >> >>>
> >> >>> On top of this work, I added an 'mtd' U-Boot command to handle all sort
> >> >>> of MTD devices. This should become the default command instead of having
> >> >>> one per flash flavor ('sf', 'nand', 'spi-nand' ?).
> >> >>>
> >> >>> The series has been tested on an Ocelot board PCB123 (VSC7514),
> >> >>> featuring a Macronix SPI NAND chip.
> >> >>>
> >> >>> TL;DR: the series contains:
> >> >>> - A few patches from Linux to resynchronize some areas of the MTD layer.
> >> >>> - Various fixes and re-organization of the MTD subsystem.
> >> >>> - The introduction of the SPI-mem interface.
> >> >>> - The addition of the generic SPI-NAND driver (and its bindings).
> >> >>> - Several SPI NAND chip drivers (Macronix, Micron, Winbond).
> >> >>> - A new 'mtd' command.
> >> >>> - Support for spi-nand devices in mtdparts.
> >> >>>
> >> >>> To test your SPI-NAND device with U-Boot simply follow these lines:
> >> >>>  
> >> >>> > setenv mtdparts mtdparts=spi-nand0:1m(foo),-(bar)
> >> >>> > setenv mtdids spi-nand0=spi-nand0
> >> >>> > mtdparts             # show the spi-nand device partitions
> >> >>> > ubi part bar         # create a static UBI volume in the bar partition  
> >> >>>
> >> >>> Thanks,
> >> >>> Miquèl
> >> >>>
> >> >>> Changes since v5:
> >> >>> -----------------
> >> >>> * Included Boris fixup about the build issues.
> >> >>> * Added Rb/Ab tags from Jagan on patchs 20/21.  
> >> >>
> >> >> I can't see a pull request flow on U-Boot ML, I suppose you use a
> >> >> different mean for that purpose.
> >> >>
> >> >> Jagan, is this version OK? Is it part of your PR?  
> >> >
> >> > Travis is going on [1], will send PR once all fine.
> >> >
> >> > [1] https://travis-ci.org/openedev/u-boot-amarula/builds/411596788  
> >>
> >> There are some build issues, not quite sure whether it relates. please
> >> look into it.  
> >
> > Thanks for the reports.
> >  
> >>
> >> [2] https://travis-ci.org/openedev/u-boot-amarula/jobs/411596814
> >> [3] https://travis-ci.org/openedev/u-boot-amarula/jobs/411596815  
> >
> > Boris supposedly fixed all the build issues related to my changes (I
> > don't think the "missing interrupt parent" in a DTS file is related),
> > please pull his branch [1].  
> 
> the DTS warnings are unrelated and can be ignored. Only the onenand_*
> stuff seems
> to be a regression.

OneNAND warnings should be gone with Boris fixups.

Thanks,
Miquèl