Hi again,
23.12.2018 16:29, I wrote:
> U-Boot SPL 2019.01-rc2 (Dec 20 2018 - 16:30:46 +0300)
> CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
> DRAM: 1024 MiB
> Trying to boot from NAND
Ok, discovered a special SPL-only sunxi_nand_spl variant, added some
debugging, so the detection is visible:
In nand_detect_config(), start detection...
Considering addr_cycles=5, page_size=2048
Considering ecc_size=1024, ecc_strength=0 failed(a).
Considering addr_cycles=5, page_size=2048 rejected.
Considering addr_cycles=5, page_size=4096
Considering ecc_size=1024, ecc_strength=3 failed(a).
Considering addr_cycles=5, page_size=4096 rejected.
Considering addr_cycles=5, page_size=8192
Considering ecc_size=1024, ecc_strength=4 good(b).
Considering addr_cycles=5, page_size=8192 accepted.
I'm almost 100% sure that correct config would be page_size=8192,
ecc_size=1024, ecc_strength=40 (from nand chip identification structure
for regular linux kernel)
Now the detection routine in sunxi_nand_spl apparently comes up with a
value of ecc_strength=4 instead... Why is that?
Thank you,
Regards,
Nikolai
Thank you,
Regards,
Nikolai
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