initial buildroot for linux 5.15

package/raspberrypi-usbboot/0001-Makefile-allow-passing-CFLAGS-LDFLAGS.patch

@@ -0,0 +1,30 @@
+From 38b730c00f45abf324caf687b5b00662ff4252c2 Mon Sep 17 00:00:00 2001
+From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+Date: Fri, 2 Dec 2016 23:09:44 +0100
+Subject: [PATCH] Makefile: allow passing CFLAGS/LDFLAGS
+
+This might be needed to pass some custom CFLAGS/LDFLAGS when building
+rpiboot.
+
+Submitted-upstream: https://github.com/raspberrypi/usbboot/pull/2
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+[Rebased on 9324fd7]
+Signed-off-by: Peter Seiderer <ps.report@gmx.net>
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 822e714..875e717 100755
+--- a/Makefile
++++ b/Makefile
+@@ -1,5 +1,5 @@
+ rpiboot: main.c msd/bootcode.h msd/start.h msd/bootcode4.h msd/start4.h
+-	$(CC) -Wall -Wextra -g -o $@ $< -lusb-1.0
++	$(CC) -Wall -Wextra -g $(CFLAGS) -o $@ $< -lusb-1.0 $(LDFLAGS)
+ 
+ %.h: %.bin ./bin2c
+ 	./bin2c $< $@
+-- 
+2.31.1
+

package/raspberrypi-usbboot/Config.in.host

@@ -0,0 +1,17 @@
+config BR2_PACKAGE_HOST_RASPBERRYPI_USBBOOT
+	bool "host raspberrypi-usbboot"
+	depends on BR2_arm || BR2_aarch64
+	depends on BR2_HOST_GCC_AT_LEAST_4_9 # host-libusb
+	help
+	  This package builds and install the "rpiboot" tool for the
+	  host machine. This tool allows to boot the Broadcom BCM
+	  processor used in the RaspberryPi to boot over USB, and have
+	  it expose a USB mass storage device in order to reflash the
+	  built-in storage of the RaspberryPi (useful for the eMMC
+	  built into the Compute module).
+
+	  https://github.com/raspberrypi/usbboot
+
+comment "host raspberrypi-usbboot needs a toolchain w/ host gcc >= 4.9"
+	depends on BR2_arm || BR2_aarch64
+	depends on !BR2_HOST_GCC_AT_LEAST_4_9

package/raspberrypi-usbboot/raspberrypi-usbboot.hash

@@ -0,0 +1,5 @@
+# Locally calculated
+sha256  e4a07df05c23e0eba100d4013367e7823e3b8bc72da7b79b031bd346616c6ae5  raspberrypi-usbboot-9324fd7034b9d3606aed8a27da74d6d57e066e7e.tar.gz
+
+# License files
+sha256  b40930bbcf80744c86c46a12bc9da056641d722716c378f5659b9e555ef833e1  LICENSE

package/raspberrypi-usbboot/raspberrypi-usbboot.mk

@@ -0,0 +1,22 @@
+################################################################################
+#
+# raspberrypi-usbboot
+#
+################################################################################
+
+RASPBERRYPI_USBBOOT_VERSION = 9324fd7034b9d3606aed8a27da74d6d57e066e7e
+RASPBERRYPI_USBBOOT_SITE = $(call github,raspberrypi,usbboot,$(RASPBERRYPI_USBBOOT_VERSION))
+RASPBERRYPI_USBBOOT_LICENSE = Apache-2.0
+RASPBERRYPI_USBBOOT_LICENSE_FILES = LICENSE
+
+HOST_RASPBERRYPI_USBBOOT_DEPENDENCIES = host-libusb
+
+define HOST_RASPBERRYPI_USBBOOT_BUILD_CMDS
+	$(HOST_MAKE_ENV) $(MAKE) $(HOST_CONFIGURE_OPTS) -C $(@D)
+endef
+
+define HOST_RASPBERRYPI_USBBOOT_INSTALL_CMDS
+	$(INSTALL) -D -m 0755 $(@D)/rpiboot $(HOST_DIR)/bin/rpiboot
+endef
+
+$(eval $(host-generic-package))