Error msg:
U-Boot SPL 2024.01-armbian-2024.01-S866c-P6135-Ha9af-V6d37-Bda0a-R448a (Sep 19 2024 - 19:48:11 -0400)
DRAM base address is defined as 0x40000000
DRAM has 15 b/raw, 10 b/col, 4 B/width, 1 #rank and 8 #bank
DRAM top address must be less than 0x40000000
DRAM: 1024 MiB
Trying to boot from MMC2
mmc_load_image_raw_sector: mmc block read error
SPL: failed to boot from all boot devices
### ERROR ### Please RESET the board ###
with a newer rev
U-Boot SPL 2024.01-armbian-2024.01-S866c-P4a40-H8869-Vad24-Bb703-R448a (Jul 11 2025 - 03:34:00 +0000)
DRAM base address is defined as 0x40000000
DRAM has 15 b/raw, 10 b/col, 4 B/width, 1 #rank and 8 #bank
DRAM top address must be less than 0x40000000
DRAM: 1024 MiB
Trying to boot from MMC2
MMC Device 1 not found
spl: could not find mmc device 1. error: -19
SPL: failed to boot from all boot devices
### ERROR ### Please RESET the board ###
it boots fine with miniarch from mmc. The Armbian SD loads fine to emmc on other units and they boot ok from mmc!