Hardkernel Odroid-M1S no USB 2.0 & Ethernet

[Daniel Martin]

Hi Jonas, yes this does seem related.
Interesting debate on where the PHY should be initialised.
I will try the mainline u-boot with this board & report back.
I assume using the latest 2024.07 release is recommended here.

On Wed, 10 Jul 2024 at 08:23, Jonas Karlman <jonas at kwiboo.se> wrote:
>
> Hi,
>
> On 2024-07-09 17:13, Andrew Lunn wrote:
> > On Tue, Jul 09, 2024 at 02:22:12PM +1000, Daniel Martin wrote:
> >> Hi,
> >>
> >> Currently the Odroid M1S based on the RK3568 processor is not enabling
> >> Ethernet or the USB-A 2.0 port on the device.
> >>
> >> Here is the output of ethernet failing.
> >>
> >> [    0.351616] rk_gmac-dwmac fe2a0000.ethernet: IRQ eth_lpi not found
> >> [    0.351640] rk_gmac-dwmac fe2a0000.ethernet: IRQ sfty not found
> >> [    0.352311] rk_gmac-dwmac fe2a0000.ethernet: supply phy not found,
> >> using dummy regulator
> >> [    0.352467] rk_gmac-dwmac fe2a0000.ethernet: clock input or output? (output).
> >> [    0.352484] rk_gmac-dwmac fe2a0000.ethernet: TX delay(0x4f).
> >> [    0.352499] rk_gmac-dwmac fe2a0000.ethernet: RX delay(0x2d).
> >> [    0.352520] rk_gmac-dwmac fe2a0000.ethernet: integrated PHY? (no).
> >> [    0.357610] rk_gmac-dwmac fe2a0000.ethernet: init for RGMII
> >> [    0.358099] rk_gmac-dwmac fe2a0000.ethernet: Version ID not available
> >> [    0.358120] rk_gmac-dwmac fe2a0000.ethernet: DWMAC4/5
> >> [    0.358135] rk_gmac-dwmac fe2a0000.ethernet: DMA HW capability
> >> register supported
> >> [    0.358146] rk_gmac-dwmac fe2a0000.ethernet: Ring mode enabled
> >> [    0.358174] rk_gmac-dwmac fe2a0000.ethernet: device MAC address
> >> b6:bf:27:ec:65:d4
> >> [    0.358191] rk_gmac-dwmac fe2a0000.ethernet: Enabled RFS Flow TC (entries=10)
> >> [    0.358210] rk_gmac-dwmac fe2a0000.ethernet: Using 32/32 bits DMA
> >> host/device width
> >> [   16.932085] rk_gmac-dwmac fe2a0000.ethernet eth0: Register
> >> MEM_TYPE_PAGE_POOL RxQ-0
> >> [   16.932837] rk_gmac-dwmac fe2a0000.ethernet eth0: validation of
> >> with support 00,00000000,00000000,00006000 and advertisement
> >> 00,00000000,00000000,00000000 failed: -EINVAL
> >
> >         ret = phylink_validate_phy(pl, phy, supported, &config);
> >         if (ret) {
> >                 phylink_warn(pl, "validation of %s with support %*pb and advertisement %*pb failed: %pe\n",
> >                              phy_modes(config.interface),
> >                              __ETHTOOL_LINK_MODE_MASK_NBITS, phy->supported,
> >                              __ETHTOOL_LINK_MODE_MASK_NBITS, config.advertising,
> >                              ERR_PTR(ret));
> >
> > So between "of" and "with" there should be an interface mode. Looking
> > at
> > https://elixir.bootlin.com/linux/latest/source/include/linux/phy.h#L223
> > this suggests configure.interface is PHY_INTERFACE_MODE_NA, which is
> > 0. This could be correct, but it is a bit unlikely.
> >
> > Also, advertisement 00,00000000,00000000,00000000 looks wrong. It does
> > not what to advertise anything. The 6 in support means it can do pause
> > and asymmetric pause, but there are no speeds listed.
> >
> > So something is wrong with the connection between the MAC and
> > PHY. Please could you give a link to the .dts file.
>
> I am mostly speculating but this sounds like the typical issue with
> rtl8211f phy needed to be reset before it can be identified. Please
> see [1] for details on a chicken-or-egg problem previously identified.
>
> Possible solutions for such issue is to ensure a proper DT is used in
> mainline U-Boot to boot the board, or possible change the Ethernet phy
> compatible to ethernet-phy-id001c.c916 to help identify the phy.
>
> [1] https://lore.kernel.org/all/47d55aca-bee6-810f-379f-9431649fefa6@kwiboo.se/
>
> Regards,
> Jonas
>
> >
> >       Andrew
> >
>


-- 

Kind Regards,

Daniel