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NAND: fix first and last handling in nand_build_bbt 

Last block was being skipped, fix by changing the loop test from "<" to "<="

First block argument was ignored, always started from block 0 (and counted
the wrong blocks as bad if first was nonzero). Now we use it.

Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk>
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Jon Povey 2010-05-13 18:31:42 +09:00 committed by Øyvind Harboe
parent 0eb7fb59a0
commit dcca0b7694
1 changed files with 5 additions and 3 deletions
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8
src/flash/nand/core.c
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@ -222,8 +222,9 @@ COMMAND_HELPER(nand_command_get_device, unsigned name_index,
int nand_build_bbt(struct nand_device *nand, int first, int last) int nand_build_bbt(struct nand_device *nand, int first, int last)
{ {
uint32_t page = 0x0; uint32_t page;
int i; int i;
int pages_per_block = (nand->erase_size / nand->page_size);
uint8_t oob[6]; uint8_t oob[6];
if ((first < 0) || (first >= nand->num_blocks)) if ((first < 0) || (first >= nand->num_blocks))
@ -232,7 +233,8 @@ int nand_build_bbt(struct nand_device *nand, int first, int last)
if ((last >= nand->num_blocks) || (last == -1)) if ((last >= nand->num_blocks) || (last == -1))
last = nand->num_blocks - 1; last = nand->num_blocks - 1;
for (i = first; i < last; i++) page = first * pages_per_block;
for (i = first; i <= last; i++)
{ {
nand_read_page(nand, page, NULL, 0, oob, 6); nand_read_page(nand, page, NULL, 0, oob, 6);
@ -248,7 +250,7 @@ int nand_build_bbt(struct nand_device *nand, int first, int last)
nand->blocks[i].is_bad = 0; nand->blocks[i].is_bad = 0;
} }
page += (nand->erase_size / nand->page_size); page += pages_per_block;
} }
return ERROR_OK; return ERROR_OK;