Files
Arch-R/projects/Odroid_C2/initramfs/platform_init
2016-05-05 01:23:04 -07:00

55 lines
1.6 KiB
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#!/bin/sh
for x in $(cat /proc/cmdline); do
case ${x} in
m_bpp=*) export bpp=${x#*=} ;;
hdmimode=*) export mode=${x#*=} ;;
esac
done
common_display_setup() {
M="0 0 $(($X - 1)) $(($Y - 1))"
Y_VIRT=$(($Y * 2))
fbset -fb /dev/fb0 -g $X $Y $X $Y_VIRT $bpp
fbset -fb /dev/fb1 -g 32 32 32 32 32
echo $mode > /sys/class/display/mode
echo 0 > /sys/class/graphics/fb0/free_scale
echo 1 > /sys/class/graphics/fb0/freescale_mode
echo $M > /sys/class/graphics/fb0/free_scale_axis
echo $M > /sys/class/graphics/fb0/window_axis
echo 0 > /sys/class/graphics/fb1/free_scale
echo 1 > /sys/class/video/disable_video
if [ "$bpp" = "32" ]; then
echo d01068b4 0x7fc0 > /sys/kernel/debug/aml_reg/paddr
fi
}
case $mode in
480*) export X=720 Y=480 ;;
576*) export X=720 Y=576 ;;
720p*) export X=1280 Y=720 ;;
1080*) export X=1920 Y=1080 ;;
2160p*) export X=3840 Y=2160 ;;
smpte24hz*) export X=3840 Y=2160 ;;
640x480p60hz*) export X=640 Y=480 ;;
800x480p60hz*) export X=800 Y=480 ;;
800x600p60hz*) export X=800 Y=600 ;;
1024x600p60hz*) export X=1024 Y=600 ;;
1024x768p60hz*) export X=1024 Y=768 ;;
1280x800p60hz*) export X=1280 Y=800 ;;
1280x1024p60hz*) export X=1280 Y=1024 ;;
1360x768p60hz*) export X=1360 Y=768 ;;
1366x768p60hz*) export X=1366 Y=768 ;;
1440x900p60hz*) export X=1440 Y=900 ;;
1600x900p60hz*) export X=1600 Y=900 ;;
1680x1050p60hz*) export X=1680 Y=1050 ;;
1920x1200p60hz*) export X=1920 Y=1200 ;;
esac
common_display_setup
# Console unblack
echo 0 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/graphics/fb1/blank