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

Jagan Teki jagan at amarulasolutions.com
Fri Aug 3 09:50:34 UTC 2018


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


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