Re: [PATCH v1] arm64: defconfig: Enable i.MX95 configs for booting and Ethernet

[Marek Vasut]

On 10/23/25 5:22 PM, Krzysztof Kozlowski wrote:
> On 23/10/2025 16:03, Alexander Stein wrote:
> > Hi,
> >
> > Am Donnerstag, 23. Oktober 2025, 14:19:15 CEST schrieb João Paulo Gonçalves:
> > > From: João Paulo Gonçalves <joao.goncalves@xxxxxxxxxxx>
> > >
> > > Enable the necessary missing configs for the i.MX95 to boot and also
> > > have Ethernet working:
> > >
> > > * CONFIG_NXP_ENETC4 for the network controller driver
> > > * CONFIG_NXP_NETC_BLK_CTRL for the NETC hardware domain controller
> > > * CONFIG_PINCTRL_IMX_SCMI for the pinctrl driver
> > > * CONFIG_CLK_IMX95_BLK_CTL for the shared hardware domain controller
> > >
> > > Signed-off-by: João Paulo Gonçalves <joao.goncalves@xxxxxxxxxxx>
> > > ---
> > >   arch/arm64/configs/defconfig | 4 ++++
> > >   1 file changed, 4 insertions(+)
> > >
> > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > > index e3a2d37bd10423b028f59dc40d6e8ee1c610d6b8..787d3ae3f5afeac486a905e0943e7b0e1dcee3a9 100644
> > > --- a/arch/arm64/configs/defconfig
> > > +++ b/arch/arm64/configs/defconfig
> > > @@ -354,8 +354,10 @@ CONFIG_FSL_FMAN=y
> > >   CONFIG_FSL_DPAA_ETH=y
> > >   CONFIG_FSL_DPAA2_ETH=y
> > >   CONFIG_FSL_ENETC=y
> > > +CONFIG_NXP_ENETC4=m
> > >   CONFIG_FSL_ENETC_VF=y
> > >   CONFIG_FSL_ENETC_QOS=y
> > > +CONFIG_NXP_NETC_BLK_CTRL=m
> >
> > Are you sure this should be module? Shouldn't NFS boot be supported by
> > default? I might be wring here though.
>
>
> NFS root is supported already with this being module. Yes, it must be a
> module, cannot be built in.
It seems I am using it as built-in on MX95 Verdin (patch is posted on 
the ML), and yes, I do boot from NFS root without any initrd/initramfs. 
It has to be built-in for that use case to work.