[openwrt/openwrt] ipq806x: ac400i: use nvmem for MAC addresses

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/aef4d9e67741545ccedbf3bb12453aac878137d2

commit aef4d9e67741545ccedbf3bb12453aac878137d2
Author: Rosen Penev <rosenp at gmail.com>
AuthorDate: Thu Feb 19 17:23:00 2026 -0800

    ipq806x: ac400i: use nvmem for MAC addresses
    
    Userspace handling is deprecated. NVMEM allows flexibility in terms of
    exotic setups by avoiding random MAC addresses.
    
    u-boot env-size taken from the entry in uboot-envtools
    
    Signed-off-by: Rosen Penev <rosenp at gmail.com>
    Link: https://github.com/openwrt/openwrt/pull/22107
    Signed-off-by: Robert Marko <robimarko at gmail.com>
---
 .../etc/hotplug.d/firmware/11-ath10k-caldata       |  8 -----
 target/linux/ipq806x/dts/qcom-ipq8065-ac400i.dts   | 37 ++++++++++++++++++++++
 2 files changed, 37 insertions(+), 8 deletions(-)

diff --git a/target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
index add17e2082..88161e5fa6 100644
--- a/target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
+++ b/target/linux/ipq806x/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
@@ -47,10 +47,6 @@ case "$FIRMWARE" in
 		CI_UBIPART=art
 		caldata_extract_ubi "ART" 0x1000 0x2f20
 		;;
-	nokia,ac400i)
-		caldata_extract "0:art" 0x1000 0x2f20
-		ath10k_patch_mac $(macaddr_add $(mtd_get_mac_ascii 0:appsblenv ethaddr) +2)
-		;;
 	zyxel,nbg6817)
 		caldata_extract "0:art" 0x1000 0x2f20
 		ath10k_patch_mac $(macaddr_add $(mtd_get_mac_ascii 0:appsblenv ethaddr) 1)
@@ -78,10 +74,6 @@ case "$FIRMWARE" in
 		CI_UBIPART=art
 		caldata_extract_ubi "ART" 0x5000 0x2f20
 		;;
-	nokia,ac400i)
-		caldata_extract "0:art" 0x5000 0x2f20
-		ath10k_patch_mac $(macaddr_add $(mtd_get_mac_ascii 0:appsblenv ethaddr) +3)
-		;;
 	zyxel,nbg6817)
 		caldata_extract "0:art" 0x5000 0x2f20
 		ath10k_patch_mac $(mtd_get_mac_ascii 0:appsblenv ethaddr)
diff --git a/target/linux/ipq806x/dts/qcom-ipq8065-ac400i.dts b/target/linux/ipq806x/dts/qcom-ipq8065-ac400i.dts
index 5534231917..3e13e4e764 100644
--- a/target/linux/ipq806x/dts/qcom-ipq8065-ac400i.dts
+++ b/target/linux/ipq806x/dts/qcom-ipq8065-ac400i.dts
@@ -175,6 +175,39 @@
 
 			partitions {
 				compatible = "qcom,smem-part";
+
+				partition-0-art {
+					label = "0:art";
+					read-only;
+
+					nvmem-layout {
+						compatible = "fixed-layout";
+						#address-cells = <1>;
+						#size-cells = <1>;
+
+						precal_art_1000: pre-calibration at 1000 {
+							reg = <0x1000 0x2f20>;
+						};
+
+						precal_art_5000: pre-calibration at 5000 {
+							reg = <0x5000 0x2f20>;
+						};
+					};
+				};
+
+				partition-0-appsblenv {
+					label = "0:appsblenv";
+					read-only;
+
+					nvmem-layout {
+						compatible = "u-boot,env";
+						env-size = <0x40000>;
+
+						macaddr_uboot_ethaddr: ethaddr {
+							#nvmem-cell-cells = <1>;
+						};
+					};
+				};
 			};
 		};
 	};
@@ -201,6 +234,8 @@
 		compatible = "qcom,ath10k";
 		reg = <0x00010000 0 0 0 0>;
 		qcom,ath10k-calibration-variant = "Nokia-AC400i";
+		nvmem-cells = <&precal_art_1000>, <&macaddr_uboot_ethaddr 2>;
+		nvmem-cell-names = "pre-calibration", "mac-address";
 	};
 };
 
@@ -217,6 +252,8 @@
 		compatible = "qcom,ath10k";
 		reg = <0x00010000 0 0 0 0>;
 		qcom,ath10k-calibration-variant = "Nokia-AC400i";
+		nvmem-cells = <&precal_art_5000>, <&macaddr_uboot_ethaddr 3>;
+		nvmem-cell-names = "pre-calibration", "mac-address";
 	};
 };