initial buildroot for linux 5.15

package/ti-sgx-km/Config.in

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+comment "ti-sgx-km needs a Linux kernel to be built"
+	depends on BR2_arm
+	depends on !BR2_LINUX_KERNEL
+
+config BR2_PACKAGE_TI_SGX_KM
+	bool "ti-sgx-km"
+	depends on BR2_LINUX_KERNEL && BR2_arm
+	select BR2_LINUX_NEEDS_MODULES
+	help
+	  Kernel modules for TI CPUs with SGX GPU.
+	  This package supports AM335x only.
+	  It builds the kernel module and the user space binaries.
+	  For older CPUs or kernels use the ti-gfx package.
+
+	  Note: it needs a TI specific kernel to build properly.
+
+	  https://git.ti.com/cgit/graphics/omap5-sgx-ddk-linux

package/ti-sgx-km/ti-sgx-km.hash

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+# Locally computed:
+sha256  213b4ff3893c74f026a06404dca185216809d062e54d17c2302d56ff7ede5181  ti-sgx-km-cf7f48cb30abfd5df7a60c9bf4bbb1dde0d496d9-br1.tar.gz
+sha256  e9d660547691b2a9232850fd43aac16d40fd063023166fd27162020c30dc2bd4  eurasia_km/GPL-COPYING

package/ti-sgx-km/ti-sgx-km.mk

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+################################################################################
+#
+# ti-sgx-km
+#
+################################################################################
+
+# This corresponds to SDK 06.01.00.08
+TI_SGX_KM_VERSION = cf7f48cb30abfd5df7a60c9bf4bbb1dde0d496d9
+TI_SGX_KM_SITE = http://git.ti.com/git/graphics/omap5-sgx-ddk-linux.git
+TI_SGX_KM_SITE_METHOD = git
+TI_SGX_KM_LICENSE = GPL-2.0
+TI_SGX_KM_LICENSE_FILES = eurasia_km/GPL-COPYING
+
+TI_SGX_KM_DEPENDENCIES = linux
+
+TI_SGX_KM_MAKE_OPTS = \
+	$(LINUX_MAKE_FLAGS) \
+	KERNELDIR=$(LINUX_DIR) \
+	TARGET_PRODUCT=$(TI_SGX_KM_PLATFORM_NAME)
+
+TI_SGX_KM_PLATFORM_NAME = ti335x
+
+TI_SGX_KM_SUBDIR = eurasia_km/eurasiacon/build/linux2/omap_linux
+
+define TI_SGX_KM_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(TI_SGX_KM_MAKE_OPTS) \
+		-C $(@D)/$(TI_SGX_KM_SUBDIR)
+endef
+
+define TI_SGX_KM_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(TI_SGX_KM_MAKE_OPTS) \
+		DISCIMAGE=$(TARGET_DIR) \
+		kbuild_install -C $(@D)/$(TI_SGX_KM_SUBDIR)
+endef
+
+$(eval $(generic-package))