ath79: Add support for Ubiquiti NanoStation AC loco

Atheros AR9342, 16 MB flash, 64 MB RAM

Successor to the old NanoStation M5 loco with AC wireless.

Includes a mac80211 patch for ath10k_pci because Ubiquiti uses a Ubiquiti
branded and customized QCA988X with vendor id 0777 and device id 11ac for
AC wireless.

Installation

1. Connect to serial header on device (8N1 115200)
2. Power on device and enter uboot console
3. Set up tftp server serving an openwrt initramfs build
4. Load initramfs build using the command tftpboot in the uboot cli
5. Boot the loaded image using the command bootm
6. Copy squashfs openwrt sysupgrade build to the booted device
7. Use mtd to write sysupgrade to partition "firmware"
8. Reboot and enjoy

Signed-off-by: Tobias Schramm <tobleminer@gmail.com>

target/linux/ath79/base-files/etc/board.d/02_network

@@ -20,6 +20,7 @@ ath79_setup_interfaces()
 	tplink,tl-mr3040-v2|\
 	tplink,tl-wr703n|\
 	ubnt,bullet-m|\
+	ubnt,nanostation-ac-loco|\
 	ubnt,rocket-m|\
 	ubnt,unifiac-lite|\
 	ubnt,unifiac-mesh|\

target/linux/ath79/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

@@ -111,6 +111,7 @@ case "$FIRMWARE" in
 	ubnt,unifiac-lite|\
 	ubnt,unifiac-mesh|\
 	ubnt,unifiac-mesh-pro|\
+	ubnt,nanostation-ac-loco|\
 	ubnt,unifiac-pro)
 		ath10kcal_extract "EEPROM" 20480 2116
 		;;

target/linux/ath79/dts/ar9342_ubnt_nanostation-ac-loco.dts

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar9342_ubnt_wa.dtsi"
+
+/ {
+	compatible = "ubnt,nanostation-ac-loco", "ubnt,wa";
+	model = "Ubiquiti Nanostation AC loco (WA)";
+};
+
+&mdio0 {
+	status = "okay";
+
+	phy-mask = <4>;
+	phy4: ethernet-phy@4 {
+		phy-mode = "rgmii";
+		reg = <4>;
+	};
+};
+
+&eth0 {
+	status = "okay";
+
+	/* default for ar934x, except for 1000M and 10M */
+	pll-data = <0x06000000 0x00000101 0x00001313>;
+
+	mtd-mac-address = <&eeprom 0x0>;
+
+	phy-mode = "rgmii";
+	phy-handle = <&phy4>;
+
+	gmac-config {
+		device = <&gmac>;
+		rxd-delay = <3>;
+		rxdv-delay = <3>;
+	};
+};

target/linux/ath79/image/generic-ubnt.mk

@@ -1,4 +1,4 @@
-DEVICE_VARS += UBNT_BOARD UBNT_CHIP UBNT_TYPE
+DEVICE_VARS += UBNT_BOARD UBNT_CHIP UBNT_TYPE UBNT_VERSION
 
 # mkubntimage is using the kernel image direct
 # routerboard creates partitions out of the ubnt header
@@ -10,14 +10,14 @@ define Build/mkubntimage
 		-o $@
 endef
 
-# all UBNT XM device expect the kernel image to have 1024k while flash, when
+# all UBNT XM/WA devices expect the kernel image to have 1024k while flash, when
 # booting the image, the size doesn't matter.
 define Build/mkubntimage-split
 	-[ -f $@ ] && ( \
 	dd if=$@ of=$@.old1 bs=1024k count=1; \
 	dd if=$@ of=$@.old2 bs=1024k skip=1; \
 	$(STAGING_DIR_HOST)/bin/mkfwimage \
-		-B $(UBNT_BOARD) -v $(UBNT_TYPE).$(UBNT_CHIP).v6.0.0-$(VERSION_DIST)-$(REVISION) \
+		-B $(UBNT_BOARD) -v $(UBNT_TYPE).$(UBNT_CHIP).v$(UBNT_VERSION)-$(VERSION_DIST)-$(REVISION) \
 		-k $@.old1 \
 		-r $@.old2 \
 		-o $@; \
@@ -27,10 +27,12 @@ endef
 # UBNT_BOARD e.g. one of (XS2, XS5, RS, XM)
 # UBNT_TYPE e.g. one of (BZ, XM, XW)
 # UBNT_CHIP e.g. one of (ar7240, ar933x, ar934x)
+# UBNT_VERSION e.g. one of (6.0.0, 8.5.0)
 define Device/ubnt
   DEVICE_PACKAGES := kmod-usb-core kmod-usb2
   IMAGE_SIZE := 7552k
   UBNT_BOARD := XM
+  UBNT_VERSION := 6.0.0
   IMAGES += factory.bin
   IMAGE/factory.bin := append-kernel | pad-to $$$$(BLOCKSIZE) | \
 	append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE) | mkubntimage-split
@@ -52,6 +54,15 @@ define Device/ubnt-bz
   ATH_SOC := ar7241
 endef
 
+define Device/ubnt-wa
+  $(Device/ubnt)
+  UBNT_TYPE := WA
+  UBNT_CHIP := ar934x
+  UBNT_BOARD := WA
+  UBNT_VERSION := 8.5.0
+  ATH_SOC := ar9342
+endef
+
 define Device/ubnt_bullet-m
   $(Device/ubnt-xm)
   DEVICE_TITLE := Ubiquiti Bullet-M
@@ -73,6 +84,16 @@ define Device/ubnt_nano-m
 endef
 TARGET_DEVICES += ubnt_nano-m
 
+define Device/ubnt_nanostation-ac-loco
+  $(Device/ubnt-wa)
+  DEVICE_TITLE := Ubiquiti Nanostation AC loco
+  DEVICE_PACKAGES += kmod-ath10k ath10k-firmware-qca988x
+  IMAGE_SIZE := 15744k
+  IMAGES += factory.bin
+  IMAGE/factory.bin := $$(IMAGE/sysupgrade.bin) | mkubntimage-split
+endef
+TARGET_DEVICES += ubnt_nanostation-ac-loco
+
 define Device/ubnt_unifi
   $(Device/ubnt-bz)
   DEVICE_TITLE := Ubiquiti UniFi