On Thu, Feb 08, 2024 at 01:19:59PM +0100, Manuel Traut wrote:
> If a bootloader does not configure the MAC address, devices come up with
> a random MAC at the moment.
>
> ocotp provides registers for storing the mac-address.
> Configure those for i.MX6UL and i.MX6ULL allows net/core to retrieve it from
> there.
>
> Signed-off-by: Manuel Traut <manuel.traut@xxxxxx>
> ---
> arch/arm/boot/dts/nxp/imx/imx6ul.dtsi | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
> index a27a7554c2e7..e5e8bf814f77 100644
> --- a/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
> +++ b/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
> @@ -538,6 +538,8 @@ fec2: ethernet@20b4000 {
> fsl,num-rx-queues = <1>;
> fsl,stop-mode = <&gpr 0x10 4>;
> fsl,magic-packet;
> + nvmem-cells = <&fec2_mac_addr>;
> + nvmem-cell-names = "mac-address";
> status = "disabled";
> };
>
> @@ -897,6 +899,8 @@ fec1: ethernet@2188000 {
> fsl,num-rx-queues = <1>;
> fsl,stop-mode = <&gpr 0x10 3>;
> fsl,magic-packet;
> + nvmem-cells = <&fec1_mac_addr>;
> + nvmem-cell-names = "mac-address";
> status = "disabled";
> };
>
> @@ -1004,6 +1008,14 @@ tempmon_temp_grade: temp-grade@20 {
> cpu_speed_grade: speed-grade@10 {
> reg = <0x10 4>;
> };
Have a newline between nodes.
> + fec1_mac_addr: mac-addr@88 {
> + reg = <0x88 6>;
> + };
> +
> + fec2_mac_addr: mac-addr@8e {
> + reg = <0x8e 6>;
> + };
> +
Dropped this one.
I fixed them up and applied the patch.
Shawn
> };
>
> csi: csi@21c4000 {
> --
> 2.43.0
>
