phosphor-ipmi-flash: Update over eSPI interface

[Oskar Senft]

Hi Harry

What's the behavior on eSPI? I assume you still have the aspeed-lpc-ctrl
enabled, right?

Thanks
Oskar.

On Mon, Sep 9, 2019 at 4:41 AM Harry Sung1 <hsung1 at lenovo.com> wrote:

> Hi Patrick,
>
>
>
> I found “phosphor-ipmi-flash” have not support flash over eSPI yet.
>
> May I ask if you have any plans to support flash over eSPI?
>
>
>
> I have done a simple test about shared memory between host and BMC :
>
> The shared memory is work after I set ESPI084 (source address) and ESPI088
> (target address) registers.
>
> But it has an limitation that only 256 bytes are available on each page
> (4KB).
>
>
> For example, if host address starts to write from 0xFE0B0000 (BMC reserved
> enough memory already)
>
> Writable area are:
>
> 0xFE0B0000 ~ 0xFE0B00FF
>
> 0xFE0B1000 ~ 0xFE0B10FF
>
> 0xFE0B2000 ~ 0xFE0B20FF
>
> 0xFE0B3000 ~ 0xFE0B30FF
>
> …
>
> …
>
> …
>
>
>
>
>
> Thanks,
> Harry
>
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