I was able to run it eventually
with S34ML01G2_ATMEL.conf
almost all sectors show up as corrupted I see 52 bytes out of 64 of OOB are used for each page. What else it could be besides BCH 8-bit?
NAND Dump Decoder v0.2.1 by Matthias Deeg - SySS GmbH (c) 2018-2020
[] Found one binary input file (138412032 bytes) [] Read configuration file './conf/MX30LF2G18AC_NXP_IMX28.conf' [] Using ECC mode NXP_IMX28 [] Used configuration Block size: 131072 bytes (64 pages) Page size: 2048 bytes Sector size: 512 bytes Spare size: 64 bytes ECC offset: 0 bytes ECC errors: 8 errors per sector (max.) ECC bytes: 13 bytes per sector Use ECC: True File offset: 0x2100000 (skip 256 blocks) [] Starting error correcting process ... Progress: 100.00% (196608/196608 sectors) [] Completed error correcting process Successfully written 100663296 bytes of data to output file 'output.bin' ----- Some statistics Total pages: 49152 Blank pages: 3820 (7.77%) Blank sectors: 15280 (7.77%) Data sectors: 181328 (92.23%) Total sectors: 196608 Valid sectors: 15573 (7.92%) Valid data sectors: 293 (0.15%) Corrupted sectors: 181035 (92.08%) Corrected sectors: 37 (0.02%) Bad blocks: 0