Hi, The latest master (423e08cb7701 (origin/master, origin/HEAD) Merge branch '2020-07-28-misc-soc-improvements') seems to be broken for HiFive Unleashed.
It already has Bin's fix for unleashed.
a0018fc8209c riscv: Make SiFive HiFive Unleashed board boot again
dram start and size is corrupted for some reason. I have verified that it was initialized properly during DT parsing. However, it shows random values in the U-Boot console.
=> bdinfo boot_params = 0x0000000000000000 memstart = 0x0000000000000000 memsize = 0x00000000 flashstart = 0x0000000000000000 flashsize = 0x0000000000000000 flashoffset = 0x0000000000000000 baudrate = 115200 bps relocaddr = 0x00000000fff84000 reloc off = 0x000000007fd84000 Build = 64-bit
=> bdinfo boot_params = 0x9a26a361c16aa601 DRAM bank = 0x0000000000000000 -> start = 0x974515c3bda965ef -> size = 0x79b6f0fb37923036 memstart = 0x574587c7f00570f9 memsize = 0xCFD8C0F4D42668AB flashstart = 0x67f9fbb06586658b flashsize = 0xf91aed913c99b9e1 flashoffset = 0x9ddbf00d69e870fa baudrate = 115200 bps
v2020.07 seems to work fine. I couldn't bisect between those two as the number of commits didn't compile.