| MTD NAND Driver Programming Interface | ||
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struct nand_bbt_descr {
int options;
int * pages;
int offs;
int veroffs;
uint8_t * version;
int len;
int maxblocks;
int reserved_block_code;
uint8_t * pattern;
}; |
options for this descriptor
the page(s) where we find the bbt, used with option BBT_ABSPAGE when bbt is searched, then we store the found bbts pages here. Its an array and supports up to 8 chips now
offset of the pattern in the oob area of the page
offset of the bbt version counter in the oob are of the page
version read from the bbt page during scan
length of the pattern, if 0 no pattern check is performed
maximum number of blocks to search for a bbt. This number of blocks is reserved at the end of the device where the tables are written.
if non-0, this pattern denotes a reserved (rather than bad) block in the stored bbt
pattern to identify bad block table or factory marked good / bad blocks, can be NULL, if len = 0
Descriptor for the bad block table marker and the descriptor for the pattern which identifies good and bad blocks. The assumption is made that the pattern and the version count are always located in the oob area of the first block.
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