uBoot broken on RPI2 Model B?

Just tried to build -13STABLE for the RPi2 and ran into this (I'm using 
Crochet and have had to make some changes to the board-specific files, 
but it appears the problem that results in it not working is in uboot; 
I've made a number of changes since it looks like the system now wants 
to boot off EFI as opposed to what worked in -12, which would be ok if 
it can find the boot device -- I think (may be wrong here)

U-Boot 2023.01 (Jan 26 2023 - 04:25:18 +0000)

DRAM:  948 MiB
RPI 2 Model B (0xa21041)
Core:  70 devices, 13 uclasses, devicetree: board
MMC:   mmc@7e300000: 1
Loading Environment from FAT... ** Bad device specification mmc 0 **
In:    serial
Out:   vidconsole
Err:   vidconsole
Net:   No ethernet found.
starting USB...
Bus usb@7e980000: USB DWC2
scanning bus usb@7e980000 for devices... 3 USB Device(s) found
        scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot:  0
U-Boot>

Needless to say if I let it try to continue it fails as it can't find 
the SD card and "mmc dev" shows nothing present.

Obviously going to dig into this further myself but I recalled something 
about this uBoot version being broken on older Pis...

The layout of the disk on the boot partition is thus:

root@NewFS:/mnt # ls -la
total 12679
drwxr-xr-x   1 root  wheel    16384 Dec 31  1979 .
drwxr-xr-x  35 root  wheel       42 Jan 20 10:16 ..
drwxr-xr-x   1 root  wheel     4096 Feb 13 11:09 EFI
-rwxr-xr-x   1 root  wheel      709 Feb 13 11:09 README
-rwxr-xr-x   1 root  wheel    26745 Feb 13 11:09 bcm2709-rpi-2-b.dtb
-rwxr-xr-x   1 root  wheel    52456 Feb 13 11:09 bootcode.bin
-rwxr-xr-x   1 root  wheel      141 Feb 13 11:09 config.txt
-rwxr-xr-x   1 root  wheel     7314 Feb 13 11:09 fixup.dat
-rwxr-xr-x   1 root  wheel     3187 Feb 13 11:09 fixup_cd.dat
-rwxr-xr-x   1 root  wheel    10298 Feb 13 11:09 fixup_db.dat
-rwxr-xr-x   1 root  wheel    10298 Feb 13 11:09 fixup_x.dat
drwxr-xr-x   1 root  wheel    20480 Feb 13 11:09 overlays
-rwxr-xr-x   1 root  wheel    21169 Feb 13 11:09 rpi2.dtb
-rwxr-xr-x   1 root  wheel  2952960 Feb 13 11:09 start.elf
-rwxr-xr-x   1 root  wheel   793116 Feb 13 11:09 start_cd.elf
-rwxr-xr-x   1 root  wheel  4794472 Feb 13 11:09 start_db.elf
-rwxr-xr-x   1 root  wheel  3704808 Feb 13 11:09 start_x.elf
-rwxr-xr-x   1 root  wheel   521916 Feb 13 11:09 u-boot.bin

root@NewFS:/mnt # ls -laR EFI
total 24
drwxr-xr-x  1 root  wheel   4096 Feb 13 11:09 .
drwxr-xr-x  1 root  wheel  16384 Dec 31  1979 ..
drwxr-xr-x  1 root  wheel   4096 Feb 13 11:09 BOOT

EFI/BOOT:
total 140
drwxr-xr-x  1 root  wheel    4096 Feb 13 11:09 .
drwxr-xr-x  1 root  wheel    4096 Feb 13 11:09 ..
-rwxr-xr-x  1 root  wheel  133812 Feb 13 11:09 bootarm.efi

root@NewFS:/mnt # more config.txt
init_uart_clock=3000000
enable_uart=1
kernel=u-boot.bin
kernel7=u-boot.bin
dtoverlay=mmc
audio_pwm_mode=2
dtparam=audio=on,i2c_arm=on,spi=on

root@NewFS:/mnt # ls -la overlays | grep mmc
-rwxr-xr-x  1 root  wheel    1221 Feb 13 11:09 mmc.dtbo

Which I BELIEVE should work -- assuming that I can get "see" the SD card 
from u-boot that is....

Installed rpi-related packages:

root@NewFS:/mnt # pkg info|grep rpi
rpi-firmware-1.20210303.g20210303 Firmware for RaspberryPi Single Board 
Computer
u-boot-rpi2-2023.01            Cross-build das u-boot for model rpi2
u-boot-rpi3-2023.01            Cross-build das u-boot for model rpi3
u-boot-rpi4-2023.01            Cross-build das u-boot for model rpi4

-- 
Karl Denninger
[email protected]
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