[openwrt/openwrt] gemini: splash banner on framebuffer console

[LEDE Commits]

chunkeey pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/4293fc32b73dc927b7dcc683a20e8e59dea92963

commit 4293fc32b73dc927b7dcc683a20e8e59dea92963
Author: Linus Walleij <linus.walleij at linaro.org>
AuthorDate: Sat Oct 9 13:32:09 2021 +0200

    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 at linaro.org>
---
 target/linux/gemini/base-files/etc/board.d/03_splash | 9 +++++++++
 1 file changed, 9 insertions(+)

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
index 0000000000..0c50ff7342
--- /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