[U-Boot] RPi3 Not autobooting from SD-card. {Scanned}

[Jonathan Gray]

On Mon, Mar 05, 2018 at 06:18:59PM +0000, Peter Robinson wrote:
> >>> Hi!
> >>> I'm trying to boot from u-boot on a Raspberry Pi 3. But for some reason
> >>> it
> >>> isn't autobooting on the SD-card.
> >>>
> >>> Is it possible to get more debug output on the screen console? I don't
> >>> have
> >>> a serial console at the moment.
> >>> The output on the screen is:
> >>>
> >>> Net:   No ehternet found.
> >>> starting USB...
> >>> USB:    Core Release 2.80a
> >>> scanning bus 0 for devices... 4 USB Devices found
> >>>         scanning usb for storage devices... 0 Storage Device(s) found
> >>> Hit any key to stop autoboot:   0
> >>> U-Boot>
> >>>
> >>> Shouldn't it mention mmc somewhere in the boot message?
> >>>
> >>> The first command I type on the prompt is always failing, it's not
> >>> outputting anything. Just a new prompt on the next line. The next
> >>> commands i
> >>> type in are working. Which seems strange.
> >>> I got boot.scr set up right, except graphic settings which are wrong. It
> >>> is
> >>> booting the kernel when I type 'run bootcmd'. But only after I type in
> >>> another command before it.
> >>> It seems like it's not detecting the SD-card (mmc0) until I have typed
> >>> anything into the prompt.
> >>>
> >>> Do I have to set any other env variable for it to autoboot? I would have
> >>> printed the output of printenv here, but since I don't have a serial
> >>> console, retyping everything is very time consuming.
> >>> printenv seems to have the right settings. It's basically a full console
> >>> screen of variables. It just doesn't seem to load them until I type in
> >>> another command before it.
> >>>
> >>> boot_targets=mmc0 usb0 pxe dhcp
> >>> Which seems right to me.
> >>>
> >>> I compiled the latest u-boot from github.
> >>>
> >>> If you need more info please let me know and I'll post it.
> >>>
> >>> Hope that anyone can point me in the right direction here. Would really
> >>> appreciate it.
> >>
> >> I'm seeing the same issues with 2018.03 rc3.
> >>
> >> I'm not sure what the issue is and I've not had time to investigate it
> >> further yet, but if you type "boot" and hit enter it should boot,
> >> sometimes you actually have to type it twice. It will boot but I'm not
> >> sure which bits here have causes this regression.
> >
> >
> > I do not see this at all on my RPi3. Maybe it's firmware version dependent?
> > Do you happen to have an image that always fails for you?
> 
> 2018.03 rc3 with "2018-02-09" firmware (so fairly recent) fails for me.

2018.03 rc4 works fine on rpi_3 here with

raspberrypi-firmware
20180221 / 9ab68bf218ffc84423a2591658260676d373259a

MD5 (bcm2710-rpi-3-b.dtb) = e5ee32f0c14cd23c327f1615df5d6bb4
MD5 (bootcode.bin) = 17efaf1c1ef89289168d71cdc8194982
MD5 (fixup.dat) = fe33157cedaf8130fa4587341553b26b
MD5 (start.elf) = 9c98e338a47e242f1726c508e60c4cc7

with 'boot_targets=usb0 mmc0 pxe dhcp' as root is on usb.

U-Boot 2018.03-rc4-00001-gc06b786faf (Mar 06 2018 - 23:30:47 +1100)

DRAM:  948 MiB
RPI 3 Model B (0xa02082)
MMC:   mmc at 7e202000: 0, sdhci at 7e300000: 1
Loading Environment from FAT... OK
In:    serial
Out:   vidconsole
Err:   vidconsole
Net:   No ethernet found.
starting USB...
USB0:   Core Release: 2.80a
scanning bus 0 for devices... 4 USB Device(s) found
       scanning usb for storage devices... 1 Storage Device(s) found
Hit any key to stop autoboot:  0 

Device 0: Vendor: SanDisk Rev: 1.00 Prod: Ultra
            Type: Removable Hard Disk
            Capacity: 29327.3 MB = 28.6 GB (60062500 x 512)
... is now current device
Scanning usb 0:1...
Found EFI removable media binary efi/boot/bootaa64.efi
82812 bytes read in 90 ms (898.4 KiB/s)
## Starting EFI application at 01000000 ...
Scanning disk mmc at 7e202000.blk...
Card did not respond to voltage select!
Scanning disk sdhci at 7e300000.blk...
Disk sdhci at 7e300000.blk not ready
Scanning disk usb_mass_storage.lun0...
Found 6 disks
>> OpenBSD/arm64 BOOTAA64 0.11
boot> 
booting sd0a:/bsd: 3990100+592528+580128+806208 [282379+96+463896+246895]=0x845298