Hi Robert,
I’m currently using … (as follows below)… for lvlg development with a 4DLCD70T display, HW Ver 1.01 and I get a display prompt on the LCD after booting. with the latest image (info at end of this reply) there is no display prompt.
Do I need a different dtb to get the 4DLCD70T to work?
thanks,
amf
Linux beaglebone 5.4.106-ti-rt-r31 #1 SMP PREEMPT_RT Sun May 30 11:46:31 CDT 20x
during boot:
debug: process_cape_part_number:[BB-BONE-LCD7-01.]
BeagleBone: cape eeprom: i2c_probe: 0x54: /lib/firmware/BB-BONE-LCD7-01-00A3.dt]
amf@beaglebone:~$ sudo /opt/scripts/tools/version.sh
[sudo] password for amf:
git:/opt/scripts/:[b39ec679648a6be8f25f48bd1c9784c1fc5a0c46]
eeprom:[A335BNLT000C1619BBBG0011]
model:[TI_AM335x_BeagleBone_Black]
dogtag:[BeagleBoard.org Debian Buster IoT Image 2020-04-06]
bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot 2019.04-00002-g07d570]
UBOOT: Booted Device-Tree:[am335x-boneblack-uboot-univ.dts]
UBOOT: Loaded Overlay:[AM335X-PRU-RPROC-4-19-TI-00A0]
UBOOT: Loaded Overlay:[BB-ADC-00A0]
UBOOT: Loaded Overlay:[BB-BONE-eMMC1-01-00A0]
UBOOT: Loaded Overlay:[BB-BONE-LCD7-01-00A3]
kernel:[5.4.106-ti-rt-r31]
nodejs:[v10.24.0]
/boot/uEnv.txt Settings:
uboot_overlay_options:[enable_uboot_overlays=1]
uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-19-TI]
uboot_overlay_options:[enable_uboot_cape_universal=1]
pkg check: to individually upgrade run: [sudo apt install --only-upgrade <pkg>]
pkg:[bb-cape-overlays]:[4.14.20210416.0-0~buster+20210416]
pkg:[bb-wl18xx-firmware]:[1.20210520.0-0~buster+20210520]
pkg:[kmod]:[26-1]
pkg:[librobotcontrol]:[1.0.5-git20200715.0-0~buster+20200716]
cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/]
dmesg | grep remote
[ 1.964791] remoteproc remoteproc0: wkup_m3 is available
[ 2.141
588] remoteproc remoteproc1: 4a334000.pru is available
[ 2.143965] remoteproc remoteproc2: 4a338000.pru is available
[ 2.149765] remoteproc remoteproc0: powering up wkup_m3
[ 2.149927] remoteproc remoteproc0: Booting fw image am335x-pm-firmware.elf,8
[ 2.153268] remoteproc remoteproc0: remote processor wkup_m3 is now up
dmesg | grep pru
[ 2.141588] remoteproc remoteproc1: 4a334000.pru is available
[ 2.141812] pru-rproc 4a334000.pru: PRU rproc node /ocp/interconnect@4a00000y
[ 2.143965] remoteproc remoteproc2: 4a338000.pru is available
[ 2.144167] pru-rproc 4a338000.pru: PRU rproc node /ocp/interconnect@4a00000y
dmesg | grep pinctrl-single
[ 1.420200] pinctrl-single 44e10800.pinmux: 142 pins, size 568
dmesg | grep gpio-of-helper
[ 1.440321] gpio-of-helper ocp:cape-universal: ready
lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
END
new 8/2021 image
during boot: BeagleBone Cape EEPROM: 0x54: BB-BONE-LCD7-01-00A3.dtbo [0xfc93c8f]
no:
/opt/scripts/tools/version.sh
uname:
Linux BeagleBone 5.10.41-ti-r12 #1bullseye SMP PREEMPT Tue Aug 10 10:32:45 UTC 2021 armv7l GNU/Linux