microchipsw: add support for Microchip LAN969x switches

Add a new microchipsw target aimed add supporting Microchip switch
SoC-s.

Start by supporting LAN969x SoC-s as the first subtarget.

Signed-off-by: Robert Marko <[email protected]>

Author: robimarko

.github/labeler.yml

@@ -126,6 +126,12 @@
     - "target/linux/mediatek/**"
     - "package/boot/arm-trusted-firmware-mediatek/**"
     - "package/boot/uboot-mediatek/**"
+"target/microchipsw":
+- changed-files:
+  - any-glob-to-any-file:
+    - "target/linux/microchipsw/**"
+    - "package/boot/arm-trusted-firmware-microchipsw/**"
+    - "package/boot/uboot-microchipsw/**"
 "target/mpc85xx":
 - changed-files:
   - any-glob-to-any-file:

config/Config-images.in

@@ -18,6 +18,7 @@ menu "Target Images"
 			default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_mpc85xx
 			default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
 			default TARGET_INITRAMFS_COMPRESSION_ZSTD if TARGET_qualcommax
+			default TARGET_INITRAMFS_COMPRESSION_ZSTD if TARGET_microchipsw
 			default TARGET_INITRAMFS_COMPRESSION_XZ if USES_SEPARATE_INITRAMFS
 			default TARGET_INITRAMFS_COMPRESSION_NONE
 			depends on TARGET_ROOTFS_INITRAMFS

target/linux/microchipsw/Makefile

@@ -0,0 +1,20 @@
+include $(TOPDIR)/rules.mk
+
+ARCH:=aarch64
+BOARD:=microchipsw
+BOARDNAME:=Microchip switches
+FEATURES:=squashfs ramdisk fpu rtc emmc source-only
+KERNELNAME:=Image
+CPU_TYPE:=cortex-a53
+SUBTARGETS:=lan969x
+
+KERNEL_PATCHVER:=6.12
+
+include $(INCLUDE_DIR)/target.mk
+DEFAULT_PACKAGES += \
+	kmod-gpio-button-hotplug \
+	kmod-leds-gpio \
+	uboot-envtools \
+	ethtool-full
+
+$(eval $(call BuildTarget))