initial buildroot for linux 5.15

package/gcnano-binaries/Config.in

@@ -0,0 +1,39 @@
+comment "gcnano-binaries needs a Linux kernel to be built"
+	depends on BR2_arm
+	depends on !BR2_LINUX_KERNEL
+
+comment "gcnano-binaries needs a glibc toolchain w/ threads, dynamic library"
+	depends on BR2_arm
+	depends on !BR2_TOOLCHAIN_USES_GLIBC || !BR2_TOOLCHAIN_HAS_THREADS \
+		|| BR2_STATIC_LIBS
+
+config BR2_PACKAGE_GCNANO_BINARIES
+	bool "gcnano-binaries"
+	depends on BR2_arm
+	depends on BR2_LINUX_KERNEL
+	depends on BR2_TOOLCHAIN_USES_GLIBC
+	depends on BR2_TOOLCHAIN_HAS_THREADS # libdrm, wayland
+	depends on !BR2_STATIC_LIBS
+	select BR2_PACKAGE_HAS_LIBEGL
+	select BR2_PACKAGE_HAS_LIBGBM
+	select BR2_PACKAGE_LIBGBM_HAS_FEATURE_FORMAT_MODIFIER_PLANE_COUNT
+	select BR2_PACKAGE_LIBGBM_HAS_FEATURE_DMA_BUF
+	select BR2_PACKAGE_HAS_LIBGLES
+	select BR2_PACKAGE_LIBDRM
+	select BR2_PACKAGE_WAYLAND
+	help
+	  Driver and libaries for stm vivante gcnano gpu.
+	  https://github.com/STMicroelectronics/gcnano-binaries/
+
+if BR2_PACKAGE_GCNANO_BINARIES
+
+config BR2_PACKAGE_PROVIDES_LIBEGL
+	default "gcnano-binaries"
+
+config BR2_PACKAGE_PROVIDES_LIBGBM
+	default "gcnano-binaries"
+
+config BR2_PACKAGE_PROVIDES_LIBGLES
+	default "gcnano-binaries"
+
+endif

package/gcnano-binaries/gcnano-binaries.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256 afec2ba2f524821452d561b56afd2fc241293ea4a6e8598d1663f58e5d16800f  gcnano-binaries-1534c3eaabb5ae545a8f97e95f853531365a13fc.tar.gz
+sha256 7d209718473d18f69f75adb7caf9cb5d4b0a31da068756aa011bea617de3dc57  EULA

package/gcnano-binaries/gcnano-binaries.mk

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+################################################################################
+#
+# gcnano-binaries
+#
+################################################################################
+
+GCNANO_BINARIES_LIB_VERSION = 6.4
+GCNANO_BINARIES_LIB_REVISION = 3
+GCNANO_BINARIES_LIB_FULL_VERSION = $(GCNANO_BINARIES_LIB_VERSION).$(GCNANO_BINARIES_LIB_REVISION)
+GCNANO_BINARIES_DRIVER_VERSION = $(GCNANO_BINARIES_LIB_FULL_VERSION)
+GCNANO_BINARIES_USERLAND_VERSION = $(GCNANO_BINARIES_LIB_FULL_VERSION)-20200902
+GCNANO_BINARIES_VERSION = 1534c3eaabb5ae545a8f97e95f853531365a13fc
+GCNANO_BINARIES_SITE = $(call github,STMicroelectronics,gcnano-binaries,$(GCNANO_BINARIES_VERSION))
+
+GCNANO_BINARIES_LICENSE = MIT, Vivante End User Software License Terms
+GCNANO_BINARIES_LICENSE_FILES = EULA
+GCNANO_BINARIES_REDISTRIBUTE = NO
+
+GCNANO_BINARIES_DEPENDENCIES = linux wayland libdrm
+
+GCNANO_BINARIES_INSTALL_STAGING = YES
+
+GCNANO_BINARIES_PROVIDES = libegl libgles libgbm
+
+# The Github repository doesn't contain the source code as-is: it
+# contains a tarball with the kernel driver source code, and a
+# self-extractible binary for the user-space parts. So we extract both
+# below, and also extract the EULA text from the self-extractible binary
+define GCNANO_BINARIES_EXTRACT_HELPER
+	tar --strip-components=1 -xJf $(@D)/gcnano-driver-$(GCNANO_BINARIES_DRIVER_VERSION).tar.xz -C $(@D)
+	awk 'BEGIN      { start = 0; } \
+		/^EOEULA/  { start = 0; } \
+			{ if (start) print; } \
+		/<<EOEULA/ { start = 1; }' \
+		$(@D)/gcnano-userland-multi-$(GCNANO_BINARIES_USERLAND_VERSION).bin > $(@D)/EULA
+	cd $(@D) && sh gcnano-userland-multi-$(GCNANO_BINARIES_USERLAND_VERSION).bin --auto-accept
+endef
+
+GCNANO_BINARIES_POST_EXTRACT_HOOKS += GCNANO_BINARIES_EXTRACT_HELPER
+
+GCNANO_BINARIES_MODULE_MAKE_OPTS = \
+	KERNEL_DIR=$(LINUX_DIR) \
+	SOC_PLATFORM=st-st \
+	AQROOT=$(@D) \
+	DEBUG=0
+
+GCNANO_BINARIES_LIBRARIES = \
+	libgbm_viv libEGL libGAL libgbm libGLESv1_CM \
+	libGLESv2 libGLSLC libOpenVG libVSC
+
+GCNANO_BINARIES_USERLAND_SUBDIR = gcnano-userland-multi-$(GCNANO_BINARIES_USERLAND_VERSION)
+
+GCNANO_BINARIES_PKG_CONFIGS = egl gbm glesv1_cm glesv2 vg
+
+define GCNANO_BINARIES_INSTALL
+	$(foreach lib,$(GCNANO_BINARIES_LIBRARIES), \
+		$(INSTALL) -D -m 0755 $(@D)/$(GCNANO_BINARIES_USERLAND_SUBDIR)/usr/lib/$(lib).$(GCNANO_BINARIES_LIB_VERSION).multi.release.so \
+			$(1)/usr/lib/$(lib).$(GCNANO_BINARIES_LIB_VERSION).multi.release.so ; \
+		cp -a $(@D)/$(GCNANO_BINARIES_USERLAND_SUBDIR)/usr/lib/$(lib).so* $(1)/usr/lib
+	)
+	mkdir -p $(1)/usr/include
+	cp -a $(@D)/$(GCNANO_BINARIES_USERLAND_SUBDIR)/usr/include/* $(1)/usr/include/
+	$(foreach pkgconfig,$(GCNANO_BINARIES_PKG_CONFIGS), \
+		$(INSTALL) -D -m 0644 $(@D)/$(GCNANO_BINARIES_USERLAND_SUBDIR)/usr/lib/pkgconfig/$(pkgconfig).pc \
+			$(1)/usr/lib/pkgconfig/$(pkgconfig).pc
+	)
+endef
+
+define GCNANO_BINARIES_INSTALL_TARGET_CMDS
+	$(call GCNANO_BINARIES_INSTALL,$(TARGET_DIR))
+endef
+
+define GCNANO_BINARIES_INSTALL_STAGING_CMDS
+	$(call GCNANO_BINARIES_INSTALL,$(STAGING_DIR))
+endef
+
+$(eval $(kernel-module))
+$(eval $(generic-package))