initial buildroot for linux 5.15

package/armbian-firmware/Config.in

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+config BR2_PACKAGE_ARMBIAN_FIRMWARE
+	bool "armbian-firmware"
+	help
+	  This package enables access to various firmware
+	  blobs from the Armbian firmware repository.
+
+	  https://github.com/armbian/firmware
+
+if BR2_PACKAGE_ARMBIAN_FIRMWARE
+
+config BR2_PACKAGE_ARMBIAN_FIRMWARE_AP6212
+	bool "AP6212 WiFi/BT"
+	help
+	  Firmware files for AP6212 WiFi/BT combo chip.
+
+config BR2_PACKAGE_ARMBIAN_FIRMWARE_AP6256
+	bool "AP6256 WiFi/BT"
+	help
+	  Firmware files for AP6256 WiFi/BT combo chip.
+
+config BR2_PACKAGE_ARMBIAN_FIRMWARE_AP6255
+	bool "AP6255 WiFi/BT"
+	help
+	  Firmware files for AP6255 WiFi/BT combo chip.
+
+config BR2_PACKAGE_ARMBIAN_FIRMWARE_RTL8822CS
+	bool "Realtek 8822CS SDIO WiFi/BT"
+	help
+	  Firmware files for Realtek 8822CS SDIO combo chip.
+
+config BR2_PACKAGE_ARMBIAN_FIRMWARE_XR819
+	bool "XR819 WiFi"
+	help
+	  Firmware files for XR819 WiFi SDIO chip.
+
+endif

package/armbian-firmware/armbian-firmware.hash

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+# Locally calculated
+sha256  2e61dc5e43f6011868417504f6633e6de6c220ee48fba3b58823e4ce33a6b933  armbian-firmware-a1df8ab2ffbac51a8260905dd841bf825cf1bc53-br1.tar.gz

package/armbian-firmware/armbian-firmware.mk

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+################################################################################
+#
+# armbian-firmware
+#
+################################################################################
+
+ARMBIAN_FIRMWARE_VERSION = a1df8ab2ffbac51a8260905dd841bf825cf1bc53
+ARMBIAN_FIRMWARE_SITE = https://github.com/armbian/firmware
+ARMBIAN_FIRMWARE_SITE_METHOD = git
+
+# AP6212 WiFi/BT combo firmware
+ifeq ($(BR2_PACKAGE_ARMBIAN_FIRMWARE_AP6212),y)
+ARMBIAN_FIRMWARE_DIRS += ap6212
+endif
+
+# AP6256 WiFi/BT combo firmware
+ifeq ($(BR2_PACKAGE_ARMBIAN_FIRMWARE_AP6256),y)
+ARMBIAN_FIRMWARE_FILES += \
+	brcm/BCM4345C5.hcd \
+	brcm/brcmfmac43456-sdio.bin \
+	brcm/brcmfmac43456-sdio.txt
+endif
+
+# AP6255 WiFi/BT combo firmware
+ifeq ($(BR2_PACKAGE_ARMBIAN_FIRMWARE_AP6255),y)
+ARMBIAN_FIRMWARE_FILES += \
+	BCM4345C0.hcd \
+	fw_bcm43455c0_ag.bin \
+	fw_bcm43455c0_ag_apsta.bin \
+	fw_bcm43455c0_ag_p2p.bin \
+	nvram_ap6255.txt \
+	brcm/brcmfmac43455-sdio.bin \
+	brcm/brcmfmac43455-sdio.clm_blob \
+	brcm/brcmfmac43455-sdio.txt \
+	brcm/config.txt
+endif
+
+# Realtek 8822CS SDIO WiFi/BT combo firmware
+ifeq ($(BR2_PACKAGE_ARMBIAN_FIRMWARE_RTL8822CS),y)
+ARMBIAN_FIRMWARE_FILES += \
+	rtlbt/rtl8822cs_config \
+	rtlbt/rtl8822cs_fw
+endif
+
+# XR819 WiFi firmware
+ifeq ($(BR2_PACKAGE_ARMBIAN_FIRMWARE_XR819),y)
+ARMBIAN_FIRMWARE_FILES += \
+	xr819/boot_xr819.bin \
+	xr819/fw_xr819.bin \
+	xr819/sdd_xr819.bin
+endif
+
+ifneq ($(ARMBIAN_FIRMWARE_FILES),)
+define ARMBIAN_FIRMWARE_INSTALL_FILES
+	cd $(@D) && \
+		$(TAR) cf install.tar $(sort $(ARMBIAN_FIRMWARE_FILES)) && \
+		$(TAR) xf install.tar -C $(TARGET_DIR)/lib/firmware
+endef
+endif
+
+ifneq ($(ARMBIAN_FIRMWARE_DIRS),)
+# We need to rm -rf the destination directory to avoid copying
+# into it in itself, should we re-install the package.
+define ARMBIAN_FIRMWARE_INSTALL_DIRS
+	$(foreach d,$(ARMBIAN_FIRMWARE_DIRS), \
+		rm -rf $(TARGET_DIR)/lib/firmware/$(d); \
+		cp -a $(@D)/$(d) $(TARGET_DIR)/lib/firmware/$(d)$(sep))
+endef
+endif
+
+ifneq ($(ARMBIAN_FIRMWARE_FILES)$(ARMBIAN_FIRMWARE_DIRS),)
+ARMBIAN_FIRMWARE_LICENSE = PROPRIETARY
+ARMBIAN_FIRMWARE_REDISTRIBUTE = NO
+endif
+
+define ARMBIAN_FIRMWARE_INSTALL_TARGET_CMDS
+	mkdir -p $(TARGET_DIR)/lib/firmware
+	$(ARMBIAN_FIRMWARE_INSTALL_FILES)
+	$(ARMBIAN_FIRMWARE_INSTALL_DIRS)
+endef
+
+$(eval $(generic-package))