Re: [PATCH 1/2] arm64: dts: ti: k3-am62-wakeup: Enable cpsw_mac_syscon in U-Boot

From: Vignesh Raghavendra

Date: Mon Oct 27 2025 - 01:23:14 EST


Hi Daniel,

On 23/09/25 18:39, Daniel Schultz wrote:
> 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@xxxxxxxxx>
> ---
> 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@18 {
> cpsw_mac_syscon: ethernet-mac-syscon@200 {
> compatible = "ti,am62p-cpsw-mac-efuse", "syscon";
> reg = <0x200 0x8>;
> + bootph-all;

Please restrict this to boards that actually support network boot by
moving to dts or SoM specific dtsi? Same applies to 2/2

> };
>
> usb0_phy_ctrl: syscon@4008 {

--
Regards
Vignesh
https://ti.com/opensource