initial buildroot for linux 5.15

package/psplash/Config.in

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+config BR2_PACKAGE_PSPLASH
+	bool "psplash"
+	depends on BR2_USE_WCHAR
+	help
+	  PSplash is a userspace graphical boot splash screen for
+	  mainly embedded Linux devices supporting a 16bpp or 32bpp
+	  framebuffer. It has few dependencies (just libc), supports
+	  basic images and text and handles rotation. Its visual look
+	  is configurable by basic source changes.
+
+	  Also included is a 'client' command utility for sending
+	  information to psplash such as boot progress information.
+
+	  Start the drawing process with 'psplash -n&' as early as
+	  possible. Note: psplash creates a FIFO in /tmp for
+	  communication with psplash-write.
+
+	  Usage:
+	  * Set progress bar to 50 percent:
+	    psplash-write "PROGRESS 50"
+
+	  * Display message "foobar" above progress bar:
+	    psplash-write "MSG foobar"
+
+	  * Terminate psplash:
+	    psplash-write "QUIT"
+
+	  http://git.yoctoproject.org/cgit/cgit.cgi/psplash/
+
+if BR2_PACKAGE_PSPLASH
+
+config BR2_PACKAGE_PSPLASH_IMAGE
+	string "psplash image"
+	help
+	  Use a personalized png image as boot splash.
+	  Let it empty if you want to keep the psplash default image.
+
+endif
+
+comment "psplash needs a toolchain w/ wchar"
+	depends on !BR2_USE_WCHAR

package/psplash/psplash-start.service

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+[Unit]
+Description=Starts Psplash Boot screen
+DefaultDependencies=no
+RequiresMountsFor=/run
+
+[Service]
+ExecStart=/usr/bin/psplash -n
+
+[Install]
+WantedBy=sysinit.target

package/psplash/psplash-systemd.service

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+[Unit]
+Description=Start psplash-systemd progress communication helper
+DefaultDependencies=no
+After=systemd-start.service
+Requires=psplash-start.service
+RequiresMountsFor=/run
+
+[Service]
+ExecStart=/usr/bin/psplash-systemd
+
+[Install]
+WantedBy=sysinit.target

package/psplash/psplash.hash

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+# Locally computed
+sha256  2c1344dd8414415d80a01484b1cc29e78f99c31d5266189540e5966a7dc6e10e  psplash-fd33a9b3d68c89fa22ff6873f4f9fd28bd85830c-br1.tar.gz
+sha256  f9c375a1be4a41f7b70301dd83c91cb89e41567478859b77eef375a52d782505  COPYING

package/psplash/psplash.mk

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+################################################################################
+#
+# psplash
+#
+################################################################################
+
+PSPLASH_VERSION = fd33a9b3d68c89fa22ff6873f4f9fd28bd85830c
+PSPLASH_SITE = git://git.yoctoproject.org/psplash
+PSPLASH_LICENSE = GPL-2.0+
+PSPLASH_LICENSE_FILES = COPYING
+PSPLASH_AUTORECONF = YES
+PSPLASH_DEPENDENCIES = host-gdk-pixbuf host-pkgconf
+
+ifeq ($(BR2_PACKAGE_SYSTEMD),y)
+PSPLASH_DEPENDENCIES += systemd
+PSPLASH_CONF_OPTS += --with-systemd
+else
+PSPLASH_CONF_OPTS += --without-systemd
+endif
+
+PSPLASH_IMAGE = $(call qstrip,$(BR2_PACKAGE_PSPLASH_IMAGE))
+
+ifneq ($(PSPLASH_IMAGE),)
+define PSPLASH_COPY_IMAGE
+	cp $(PSPLASH_IMAGE) $(@D)/base-images/psplash-poky.png
+endef
+
+PSPLASH_POST_EXTRACT_HOOKS += PSPLASH_COPY_IMAGE
+endif
+
+define PSPLASH_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 package/psplash/psplash-start.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/psplash-start.service
+
+	$(INSTALL) -D -m 644 package/psplash/psplash-systemd.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/psplash-systemd.service
+endef
+
+$(eval $(autotools-package))