[PATCH 1/2] arm64: dts: ti: k3-am62-wakeup: Enable cpsw_mac_syscon in U-Boot
Daniel Schultz
d.schultz at phytec.de
Tue Sep 23 06:09:00 PDT 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 AM62x 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>
---
arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
index 6549b7efa656..41ac17e809be 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
@@ -30,6 +30,7 @@ opp_efuse_table: syscon at 18 {
cpsw_mac_syscon: ethernet-mac-syscon at 200 {
compatible = "ti,am62p-cpsw-mac-efuse", "syscon";
reg = <0x200 0x8>;
+ bootph-all;
};
usb0_phy_ctrl: syscon at 4008 {
--
2.25.1
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