[PATCH v2 2/2] arm64: dts: ti: k3-am62a-phycore-som: Enable cpsw_mac_syscon in U-Boot
Daniel Schultz
d.schultz at phytec.de
Mon Nov 24 01:08:42 PST 2025
Add the "bootph-all" property to cpsw_mac_syscon.
This fuse region contains the internal MAC address. Without this
syscon node enabled, this interface will get a random MAC during
network boot. This is problematic because the AM62Ax network
boot is using BOOTP protocol for some binaries and this protocol
does not support dynamic lease expiration. Therefore, the DHCP
server can run out of free IP addresses.
Signed-off-by: Daniel Schultz <d.schultz at phytec.de>
---
Changes in v2:
Moved changes from k2-am62a-main.dsti to k3-am62a-phycore-som.dtsi
arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
index b3d012a5a26a..7f00576a4bd2 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi
@@ -197,6 +197,11 @@ &cpsw_port1 {
bootph-all;
};
+
+&cpsw_mac_syscon {
+ bootph-all;
+};
+
&cpsw3g_mdio {
pinctrl-names = "default";
pinctrl-0 = <&main_mdio1_pins_default>;
--
2.25.1
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