ath79: add support for Netgear WNR2200

This patch adds ath79 support for Netgear WNR2200.
Router was previously supported by ar71xx target only (8 MiB variant).
Netgear WNR2200 has two flash versions - 8MiB sold in EU, US etc. and
16 MiB for Russia and China markets. Apart from flash size both variants
share the same hardware specification.

Specification
=============
  * Description: Netgear WNR2200
  * Loader: U-boot
  * SOC: Atheros AR7241 (360 MHz)
  * RAM: 64 MiB
  * Flash: 8 MiB or 16 MiB (SPI NOR)
	- U-boot binary: 256 KiB
	- U-boot environment: 64 KiB
	- Firmware: 7808 KiB or 16000 KiB
	- ART: 64 KiB
  * Ethernet: 4 x 10/100 LAN + 1 x 10/100 WAN
  * Wireless: 2.4 GHz b/g/n (Atheros AR9287)
  * USB: yes, 1 x USB 2.0
  * Buttons:
	- Reset
	- WiFi (rfkill)
	- WPS
  * LEDs:
	- Power (amber/green)
	- WAN (amber/green)
	- WLAN (blue)
	- 4 x LAN (amber/green)
	- WPS (green)
  * UART: 4-pin connector JP1, 3.3V (Vcc, TX, RX, GND), 115200 8N1
  * Power supply: DC 12V 1.5A
  * MAC addresses: LAN on case label, WAN +1, WLAN +2

Installation
============
  * TFTP recovery
  * TFTP via U-boot prompt
  * sysupgrade
  * Web interface

Test build configuration
========================
CONFIG_TARGET_ath79=y
CONFIG_TARGET_ath79_generic=y
CONFIG_TARGET_ath79_generic_DEVICE_netgear_wnr2200-8m=y
CONFIG_ALL_KMODS=y
CONFIG_DEVEL=y
CONFIG_CCACHE=y
CONFIG_COLLECT_KERNEL_DEBUG=y
CONFIG_IMAGEOPT=y
CONFIG_KERNEL_DEBUG_INFO=y
CONFIG_KERNEL_DEBUG_KERNEL=y

Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>

1 files changed, 34 insertions, 0 deletions

diff --git a/target/linux/ath79/dts/ar7241_netgear_wnr2200-16m.dts b/target/linux/ath79/dts/ar7241_netgear_wnr2200-16m.dts
new file mode 100644
index 0000000000..d182b58c05
--- /dev/null
+++ b/target/linux/ath79/dts/ar7241_netgear_wnr2200-16m.dts
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "ar7241_netgear_wnr2200.dtsi"
+
+/ {
+	compatible = "netgear,wnr2200-16m", "qca,ar7241";
+	model = "Netgear WNR2200 (16M)";
+};
+
+&partitions {
+	partition@0 {
+		label = "u-boot";
+		reg = <0x0 0x40000>;
+		read-only;
+	};
+
+	partition@40000 {
+		label = "u-boot-env";
+		reg = <0x40000 0x10000>;
+	};
+
+	partition@50000 {
+		label = "firmware";
+		reg = <0x50000 0xfa0000>;
+		compatible = "netgear,uimage";
+	};
+
+	art: partition@ff0000 {
+		label = "art";
+		reg = <0xff0000 0x10000>;
+		read-only;
+	};
+};