* [PATCH] ARM: dts: BCM5301X: AC9: set WAN MAC from nvram
@ 2026-07-27 20:26 Rosen Penev
0 siblings, 0 replies; only message in thread
From: Rosen Penev @ 2026-07-27 20:26 UTC (permalink / raw)
To: devicetree
Cc: Florian Fainelli, Rafał Miłecki,
Broadcom internal kernel review list, Rob Herring,
Krzysztof Kozlowski, Conor Dooley,
moderated list:BROADCOM BCM53573 ARM ARCHITECTURE, open list
The WAN MAC is offset by 1. Set in dts to avoid having to handle this in
userspace.
nvram size found from a random bootlog online.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
.../boot/dts/broadcom/bcm47189-tenda-ac9.dts | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/boot/dts/broadcom/bcm47189-tenda-ac9.dts b/arch/arm/boot/dts/broadcom/bcm47189-tenda-ac9.dts
index 3ac6cac541ca..8b2ad7683529 100644
--- a/arch/arm/boot/dts/broadcom/bcm47189-tenda-ac9.dts
+++ b/arch/arm/boot/dts/broadcom/bcm47189-tenda-ac9.dts
@@ -20,6 +20,16 @@ memory@0 {
reg = <0x00000000 0x08000000>;
};
+ nvram@1eff0000 {
+ compatible = "brcm,nvram";
+ reg = <0x1eff0000 0x10000>;
+
+ et0macaddr: et0macaddr {
+ #nvmem-cell-cells = <1>;
+ };
+ };
+
+
leds-0 {
compatible = "gpio-leds";
@@ -106,6 +116,16 @@ pcie0_chipcommon: chipcommon@0 {
};
};
+&gmac0 {
+ nvmem-cells = <&et0macaddr 0>;
+ nvmem-cell-names = "mac-address";
+};
+
+&gmac1 {
+ nvmem-cells = <&et0macaddr 1>;
+ nvmem-cell-names = "mac-address";
+};
+
&switch {
status = "okay";
--
2.55.0
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