Here's the full boot log I receive from the serial terminal.
Code:
U-Boot 2015.b (Dec 23 2022 - 13:11:28)
CPU: AMCC PowerPC 460EX Rev. B at 1140 MHz (PLB=228 OPB=114 EBC=114)
No Security/Kasumi support
Bootstrap Option H - Boot ROM Location I2C (Addr 0x52)
Internal PCI arbiter enabled
32 kB I-Cache 32 kB D-Cache
Board: Sam460, PCIe 4x + PCIe 1x
I2C: ready
DRAM: 2 GiB (ECC not enabled, 456 MHz, CL4)
PCI: Bus Dev VenId DevId Class Int
01 08 1033 0035 0c03 00
01 08 1033 0035 0c03 00
01 08 1033 00e0 0c03 00
01 09 1095 3112 0180 00
00 04 104c ac23 0604 ff
PCIE0: successfully set as root-complex
04 00 1412 1724 0401 ff
03 00 1b21 1080 0604 00
PCIE1: successfully set as root-complex
06 00 1002 7280 0300 ff
Net: ppc_4xx_eth0
FPGA: Revision 03 (2010-10-07)
SM502: not found
PERMD2:not found
VGA: 1
VESA: OK
Model: Sam460cr/le, PCIe 4x + PCIe 1x
USB: EHCI 1.00
scanning bus for devices... 4 USB Device(s) found
scanning usb for storage devices... 1 Storage Device(s) found
SATA Device 0: not available SATA Device 1: not available
Press SPACE for menu, ESC or Q for prompt, Enter for boot source
Countdown.. 0
MorphOS boot loader version 1.10
Booting from HDIMG0
Trying to load "bootsam_ppc4x0.img" from "HDIMG0:"...
Loaded "bootsam_ppc4x0.img" from "HDIMG0:", booting...