gemini: splash banner on framebuffer console

The D-Link DIR-685 has a small screen with a framebuffer
console, so if we have this, when we start, display the
banner on this framebuffer console so the user know they
are running OpenWRT as root filesystem.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/target/linux/gemini/base-files/etc/board.d/03_splash b/target/linux/gemini/base-files/etc/board.d/03_splash
new file mode 100644 (file)
index 0000000..0c50ff7
--- /dev/null
+++ b/target/linux/gemini/base-files/etc/board.d/03_splash
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# OpenWRT splash screen if using framebuffer console
+
+if [ ! -d /sys/class/graphics/fbcon ] ; then
+       exit 0
+fi
+
+echo 0 > /sys/class/graphics/fbcon/cursor_blink
+cat /etc/banner > /dev/tty0