qemu-system-arm, ast2400-a1, The ECC_TEST_CTRL register of aspeed_2400_sdmc_write is not implemented
Additional information:
The ast2400-a1 has a few more memory test modes compared to the ast2500-a2 (1xxb in 8:6 and 11b in 2:1), but I think it should be enough to always return a test pass result.