U-Boot 2016.01-gc23364e-dirty (Jun 01 2016 - 11:41:56 +0200) Allwinner Technology

CPU:   Allwinner A20 (SUN7I)
I2C:   ready
DRAM:  1 GiB
NAND:  ECC init failed: -22
failed to init nand chips
0 MiB
MMC:   SUNXI SD/MMC: 0

U-Boot SPL 2016.01-gc23364e-dirty (Jun 01 2016 - 14:05:19)
DRAM: 1024 MiB
CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
Trying to boot from NAND
page_size = 2048 max_ecc_strength = 0
Testing config: ECC: 0/1024 randomize 0 page size 2048 addr_cycles 5 nseeds 0
Testing config: ECC: 0/1024 randomize 1 page size 2048 addr_cycles 5 nseeds 128
page_size = 2048 max_ecc_strength = -22
page_size = 4096 max_ecc_strength = 3
Testing config: ECC: 3/1024 randomize 0 page size 4096 addr_cycles 5 nseeds 8
Testing config: ECC: 3/1024 randomize 1 page size 4096 addr_cycles 5 nseeds 128
Testing config: ECC: 2/1024 randomize 0 page size 4096 addr_cycles 5 nseeds 8
Testing config: ECC: 2/1024 randomize 1 page size 4096 addr_cycles 5 nseeds 128
Testing config: ECC: 1/1024 randomize 0 page size 4096 addr_cycles 5 nseeds 8
Testing config: ECC: 1/1024 randomize 1 page size 4096 addr_cycles 5 nseeds 128
Testing config: ECC: 0/1024 randomize 0 page size 4096 addr_cycles 5 nseeds 8
Testing config: ECC: 0/1024 randomize 1 page size 4096 addr_cycles 5 nseeds 128
page_size = 4096 max_ecc_strength = 0
Testing config: ECC: 0/512 randomize 0 page size 4096 addr_cycles 5 nseeds 8
Testing config: ECC: 0/512 randomize 1 page size 4096 addr_cycles 5 nseeds 128
page_size = 8192 max_ecc_strength = 4
Testing config: ECC: 4/1024 randomize 0 page size 8192 addr_cycles 5 nseeds 8
Testing config: ECC: 4/1024 randomize 1 page size 8192 addr_cycles 5 nseeds 128