[U-Boot] [PATCH] mtd: add altera quadspi driver

Thomas Chou thomas at wytron.com.tw
Wed Nov 4 06:33:00 CET 2015


Hi Marek,

On 2015年11月04日 13:15, Marek Vasut wrote:
> On Wednesday, November 04, 2015 at 05:45:24 AM, Thomas Chou wrote:
>> Hi Marek,
>
> Hi,
>
>> On 2015年11月04日 11:45, Marek Vasut wrote:
>>> Let me just put an idea here, it might be wrong -- but doesn't this seem
>>> like some sort of NVMEM device? See for example:
>>>
>>> https://lkml.org/lkml/2015/5/21/643
>>
>> Thanks for the pointer. However, it needs erasing before writing.
>
> But does it operate in some sort of memory-mapped fashion or is this more
> of a SPI controller ? I think it's the former, right ?

Right. The former.

>
> But now that you mention the erasing, I see why you'd opt for the CFI
> framework, yeah.

Yes.

Best regards,
Thomas


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