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>;
};
+ fec1_mac_addr: mac-addr@88 {
+ reg = <0x88 6>;
+ };
+
+ fec2_mac_addr: mac-addr@8e {
+ reg = <0x8e 6>;
+ };
+
};
csi: csi@21c4000 {
--
2.43.0
