Re: [PATCH net-next] net: phy: air_en8811h: use firmware loaded by the bootloader

[Andrew Lunn]

On Mon, Oct 19, 2026 at 04:33:04AM +0300, Aleksei Sviridkin wrote:
> On Sun, Oct 18, 2026 at 09:13:46PM +0200, Andrew Lunn wrote:
> > Is it possible to figure out from the firmware blob what version it
> > is?
> 
> Not reliably, as far as I can tell. The version the driver prints is
> written into DM by the running MCU; the file holds zeros at that
> address. In the DSP blob the halves 0x2506 and 0x2302 sit eight bytes
> apart, which looks like the code that builds the word, but that is a
> guess at an offset in vendor code.
> 
> Lucien, Albert, does Airoha guarantee any field in EthMD32.dm.bin or
> EthMD32.DSP.bin as the firmware version, at a fixed place that will not
> move in later releases? Without such a guarantee I would rather not
> compare versions in the driver.

linux-firmware/airoha$ git log --oneline EthMD32.dm.bin 
149f9b8e linux-firmware: update firmware for en8811h 2.5G ethernet phy
d88562a0 linux-firmware: update firmware for en8811h 2.5G ethernet phy
d3480463 linux-firmware: update firmware for en8811h 2.5G ethernet phy
75ac03a8 linux-firmware: update firmware for en8811h 2.5G ethernet phy
73b4429f linux-firmware: update firmware for en8811h 2.5G ethernet phy
ddc99b3d linux-firmware: add firmware for en8811h 2.5G ethernet phy
linux-firmware/airoha$ git log --oneline EthMD32.DSP.bin
149f9b8e linux-firmware: update firmware for en8811h 2.5G ethernet phy
d88562a0 linux-firmware: update firmware for en8811h 2.5G ethernet phy
d3480463 linux-firmware: update firmware for en8811h 2.5G ethernet phy
75ac03a8 linux-firmware: update firmware for en8811h 2.5G ethernet phy
73b4429f linux-firmware: update firmware for en8811h 2.5G ethernet phy
ddc99b3d linux-firmware: add firmware for en8811h 2.5G ethernet phy

Looks like there is 6 of each. Maybe you can look at all these
versions and see if there is a pattern?

But it is just nice to have. Its not required for this patch to be
merged.

    Andrew