ramips: add support for mqmaker witi 512mb version

Splitted out the dts file and create the new dts for the 256 MByte RAM and
the 512 MB RAM version.

Migrate both versions to the common board detection.

The install the 512 MByte Version on a board running the 256 MByte image,
a forceful sysupgrade with the -F flag is required.

Signed-off-by: Davide Ammirata <list@davidea.it>

1 files changed, 13 insertions, 0 deletions

diff --git a/target/linux/ramips/dts/WITI-256M.dts b/target/linux/ramips/dts/WITI-256M.dts
new file mode 100644
index 0000000000..4c12d8c3b5
--- /dev/null
+++ b/target/linux/ramips/dts/WITI-256M.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+
+#include "WITI.dtsi"
+
+/ {
+	compatible = "mqmaker,witi-256m", "mqmaker,witi", "mediatek,mt7621-soc";
+	model = "MQmaker WiTi (256MB RAM)";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x10000000>;
+	};
+};