ipq40xx: utilize nvmem-cells for openmesh,a42

The calibration data and mac addresses on this device are stored in the
0:ART partition. It is therefore possible to move the code to handle them
directly to the devicetree instead of the various scripts.

But the actual relevant information about the partition layout is provided
by the bootloader via bootargs (mtdparts) and not via the devicetree
itself. Instead of using a fixed-partition template, the mtd dynamic
partitions support from the upstream kernel is used.

Reported-by: Robert Marko <[email protected]>
Reviewed-by: Robert Marko <[email protected]>
Signed-off-by: Sven Eckelmann <[email protected]>

target/linux/ipq40xx/base-files/etc/board.d/02_network

@@ -163,7 +163,6 @@ ipq40xx_setup_macs()
 	pakedge,wr-1)
 		wan_mac=$(macaddr_add $(get_mac_label) 1)
 		;;
-	openmesh,a42|\
 	openmesh,a62)
 		label_mac="$(mtd_get_mac_binary "0:ART" 0x0)"
 		;;

target/linux/ipq40xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

@@ -77,7 +77,6 @@ case "$FIRMWARE" in
 		/usr/bin/fritz_cal_extract -i 1 -s 0x3D000 -e 0x207 -l 12064 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader1")
 		;;
 	cellc,rtl30vw |\
-	openmesh,a42 |\
 	openmesh,a62 |\
 	plasmacloud,pa1200 |\
 	plasmacloud,pa2200)
@@ -174,7 +173,6 @@ case "$FIRMWARE" in
 		/usr/bin/fritz_cal_extract -i 1 -s 0x3C000 -e 0x208 -l 12064 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader1")
 		;;
 	cellc,rtl30vw |\
-	openmesh,a42 |\
 	openmesh,a62 |\
 	plasmacloud,pa1200 |\
 	plasmacloud,pa2200)

target/linux/ipq40xx/base-files/lib/preinit/05_set_iface_mac_ipq40xx.sh

@@ -29,7 +29,6 @@ preinit_set_mac_address() {
 		ip link set dev lan1 address $(macaddr_add "$base_mac" 1)
 		ip link set dev eth0 address $(macaddr_setbit "$base_mac" 7)
 		;;
-	openmesh,a42|\
 	openmesh,a62)
 		ip link set dev ethernet1 address $(mtd_get_mac_binary "0:ART" 0x0)
 		ip link set dev ethernet2 address $(mtd_get_mac_binary "0:ART" 0x6)

target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4018-a42.dts

@@ -71,6 +71,7 @@
 		led-failsafe = &led_status_green;
 		led-running = &led_status_green;
 		led-upgrade = &led_status_green;
+		label-mac-device = &swport5;
 	};
 
 	leds {
@@ -144,7 +145,32 @@
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <24000000>;
+
 		/* partitions are passed via bootloader */
+		partitions {
+			partition-art {
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				label = "0:ART";
+
+				precal_art_1000: precal@1000 {
+					reg = <0x1000 0x2f20>;
+				};
+
+				precal_art_5000: precal@5000 {
+					reg = <0x5000 0x2f20>;
+				};
+
+				macaddr_gmac0: macaddr@0 {
+					reg = <0x0 0x6>;
+				};
+
+				macaddr_gmac1: macaddr@6 {
+					reg = <0x6 0x6>;
+				};
+			};
+		};
 	};
 };
 
@@ -177,19 +203,31 @@
 &swport4 {
 	status = "okay";
 	label = "ethernet2";
+
+	nvmem-cell-names = "mac-address";
+	nvmem-cells = <&macaddr_gmac1>;
 };
 
 &swport5 {
 	status = "okay";
 	label = "ethernet1";
+
+	nvmem-cell-names = "mac-address";
+	nvmem-cells = <&macaddr_gmac0>;
 };
 
 &wifi0 {
 	status = "okay";
 	qcom,ath10k-calibration-variant = "OM-A42";
+
+	nvmem-cell-names = "pre-calibration";
+	nvmem-cells = <&precal_art_1000>;
 };
 
 &wifi1 {
 	status = "okay";
 	qcom,ath10k-calibration-variant = "OM-A42";
+
+	nvmem-cell-names = "pre-calibration";
+	nvmem-cells = <&precal_art_5000>;
 };