Re: [PATCH 00/11] Introduction to SPI NAND framework

Richard Weinberger
2017-02-21T08:06:12Z

Peter,

Am 21.02.2017 um 08:59 schrieb Peter Pan:
> This serie introductes a SPI NAND framework.
> SPI NAND is a new NAND family device with SPI protocol as
> its interface. And its command set is totally different
> with parallel NAND.
>
> Our first attempt was more than 2 years ago[1]. At that
> time, I didn't make BBT shareable and there were too many
> duplicate code with parallel NAND, so that serie stoped.
> But the discussion never stops. Now Boris has a plan to
> make a generic NAND framework which can be shared with
> both parallel and SPI NAND. Now the first step of the
> new generic NAND framework is finished. And it is waiting
> for a user. After discussion with Boris. We both think it's
> time to rebuild SPI NAND framework based on the new NAND
> framework and send out for reviewing.
>
> This serie is based on Boris's nand/generic branch[2], which
> is on 4.9-rc1. In this serie, BBT code is totally shared.
> Of course SPI NAND can share more code with parallel, this
> requires to put more in new NAND core (now only BBT included).
> I'd like to send this serie out first, then we can decide
> which part should be in new NAND core.
>
> This serie only supports basic SPI NAND features and uses
> generic spi controller for data transfer, on-die ECC for data
> correction. Support advanced features and specific SPI NAND
> controller with hardware ECC is the next step.

Can you please share on which SPI NAND chips this got tested?

Thanks,
//richard