Your output looks much better than mine. Recompiled fresh u-boot with
patches and updated blobs on the eMMC via:
*export DISK=/dev/mmcblk0sudo dd if=/u-boot/MLO of=${DISK} count=1 seek=1
bs=128ksudo dd if=/u-boot/u-boot.img of=${DISK} count=2 seek=1 bs=384k*
However, lsblk yields:
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
mmcblk1 179:0 0 3.6G 0 disk
└─mmcblk1p1 179:1 0 3.6G 0 part /
mmcblk1boot0 179:8 0 4M 1 disk
mmcblk1boot1 179:16 0 4M 1 disk
mmcblk1rpmb 179:24 0 4M 0 disk
Is eMMC mmcblk0 as I see all over the forums or mmcblk1 as shown above?
Neither seem to silence the serial console output. uEnv.txt attached.
Thanks
On Mon, Jul 20, 2020 at 10:04 AM Robert Nelson <[email protected]>
wrote:
> On Mon, Jul 20, 2020 at 9:31 AM Robert Cachro <[email protected]>
> wrote:
> >
> > Is it that easy...?
> >
> > I tried though and no cigar.
> >
> > cmdline=coherent_pool=1M net.ifnames=0 rng_core.default_quality=100
> quiet silent=1
> >
> > FTDI serial port still shows logging
> >
> > U-Boot SPL 2019.04 (Jul 17 2020 - 21:33:18 +0000)
> > Trying to boot from MMC2
> > Loading Environment from EXT4... Card did not respond to voltage select!
> >
> >
> > U-Boot 2019.04 (Jul 17 2020 - 21:33:18 +0000)
> >
> > CPU : AM335X-GP rev 2.1
> > I2C: ready
> > DRAM: 512 MiB
> >
> > ...
> > ...
> > ...
>
> Idk, i got a little bit to be disabled...
>
> BeagleBone: cape eeprom: i2c_probe: 0x56:
> BeagleBone: cape eeprom: i2c_probe: 0x57:
> Net: eth0: MII MODE
> cpsw, usb_ether
> Press SPACE to abort autoboot in 0 seconds
> [ 0.002632] timer_probe: no matching timers found
> [ 0.224072] l3-aon-clkctrl:0000:0: failed to disable
> [ 1.762727] wkup_m3_ipc 44e11324.wkup_m3_ipc: could not get rproc handle
>
> diff --git a/configs/am335x_evm_defconfig b/configs/am335x_evm_defconfig
> index 41aa4f2..86c91ea 100644
> --- a/configs/am335x_evm_defconfig
> +++ b/configs/am335x_evm_defconfig
> @@ -5,7 +5,11 @@ CONFIG_AM33XX=y
> CONFIG_SPL=y
> CONFIG_DISTRO_DEFAULTS=y
> CONFIG_BOOTDELAY=0
> -CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run
> update_to_fit; fi; run findfdt; run init_console; run envboot; run
> distro_bootcmd"
> +CONFIG_BOOTCOMMAND="setenv silent 1; if test ${boot_fit} -eq 1; then
> run update_to_fit; fi; run findfdt; run init_console; run envboot; run
> distro_bootcmd"
> +CONFIG_DISABLE_CONSOLE=y
> +CONFIG_LOGLEVEL=0
> +CONFIG_SILENT_CONSOLE=y
> +CONFIG_SILENT_U_BOOT_ONLY=y
> CONFIG_SYS_CONSOLE_INFO_QUIET=y
> CONFIG_VERSION_VARIABLE=y
> CONFIG_ARCH_MISC_INIT=y
>
>
> On top of this patch:
>
>
> https://www.digikey.com/eewiki/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-Bootloader:U-Boot
>
> and you can update the blobs on the eMMC via the dd lines here:
>
>
> https://www.digikey.com/eewiki/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-SetupmicroSDcard
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
> --
> For more options, visit http://beagleboard.org/discuss
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#Docs: http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0
uname_r=4.14.108-ti-r113
#uuid=
#dtb=
###U-Boot Overlays###
###Documentation:
http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays
###Master Enable
enable_uboot_overlays=1
###
###Overide capes with eeprom
#uboot_overlay_addr0=/lib/firmware/<file0>.dtbo
#uboot_overlay_addr1=/lib/firmware/<file1>.dtbo
#uboot_overlay_addr2=/lib/firmware/<file2>.dtbo
#uboot_overlay_addr3=/lib/firmware/<file3>.dtbo
###
###Additional custom capes
#uboot_overlay_addr4=/lib/firmware/<file4>.dtbo
#uboot_overlay_addr5=/lib/firmware/<file5>.dtbo
#uboot_overlay_addr6=/lib/firmware/<file6>.dtbo
#uboot_overlay_addr7=/lib/firmware/<file7>.dtbo
###
###Custom Cape
#dtb_overlay=/lib/firmware/<file8>.dtbo
###
###Disable auto loading of virtual capes (emmc/video/wireless/adc)
#disable_uboot_overlay_emmc=1
disable_uboot_overlay_video=1
disable_uboot_overlay_audio=1
#disable_uboot_overlay_wireless=1
#disable_uboot_overlay_adc=1
###
###PRUSS OPTIONS
###pru_rproc (4.4.x-ti kernel)
#uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-4-TI-00A0.dtbo
###pru_rproc (4.14.x-ti kernel)
uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-00A0.dtbo
###pru_rproc (4.19.x-ti kernel)
#uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-19-TI-00A0.dtbo
###pru_uio (4.4.x-ti, 4.14.x-ti, 4.19.x-ti & mainline/bone kernel)
#uboot_overlay_pru=/lib/firmware/AM335X-PRU-UIO-00A0.dtbo
###
###Cape Universal Enable
enable_uboot_cape_universal=1
###
###Debug: disable uboot autoload of Cape
#disable_uboot_overlay_addr0=1
#disable_uboot_overlay_addr1=1
#disable_uboot_overlay_addr2=1
#disable_uboot_overlay_addr3=1
###
###U-Boot fdt tweaks... (60000 = 384KB)
#uboot_fdt_buffer=0x60000
###U-Boot Overlays###
cmdline=coherent_pool=1M net.ifnames=0 rng_core.default_quality=100 silent=1
quiet
#In the event of edid real failures, uncomment this next line:
#cmdline=coherent_pool=1M net.ifnames=0 rng_core.default_quality=100 quiet
video=HDMI-A-1:1024x768@60e
#Use an overlayfs on top of a read-only root filesystem:
#cmdline=coherent_pool=1M net.ifnames=0 rng_core.default_quality=100 quiet
overlayroot=tmpfs
##enable Generic eMMC Flasher:
##make sure, these tools are installed: dosfstools rsync
###cmdline=init=/opt/scripts/tools/eMMC/init-eMMC-flasher-v3.sh
##cmdline=init=/opt/scripts/tools/eMMC/init-eMMC-flasher-v3.sh
#cmdline=init=/opt/scripts/tools/eMMC/init-eMMC-flasher-v3.sh
