Hi Jagan, Tom,
Miquel Raynal <miquel.ray...@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?
Thanks,
Miquèl
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