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[Drivers] Fix the block start issue in MTD Nand operators

This commit is contained in:
Bernard Xiong 2013-12-30 18:14:09 +08:00
parent a93251ae2b
commit ec7fada97e
1 changed files with 7 additions and 8 deletions
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15
components/drivers/mtd/mtd_nand.c
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@ -155,7 +155,8 @@ int mtd_nand_read(const char* name, int block, int page)
oob_ptr = page_ptr + nand->page_size;
rt_memset(page_ptr, 0xff, nand->page_size + nand->oob_size);
page = (block + nand->block_start) * nand->pages_per_block + page;
/* calculate the page number */
page = block * nand->pages_per_block + page;
result = rt_mtd_nand_read(nand, page, page_ptr, nand->page_size,
oob_ptr, nand->oob_size);
@ -187,7 +188,8 @@ int mtd_nand_readoob(const char* name, int block, int page)
return -RT_ENOMEM;
}
page = (block + nand->block_start) * nand->pages_per_block + page;
/* calculate the page number */
page = block * nand->pages_per_block + page;
rt_mtd_nand_read(nand, page, RT_NULL, nand->page_size,
oob_ptr, nand->oob_size);
mtd_dump_hex(oob_ptr, nand->oob_size);
@ -231,7 +233,8 @@ int mtd_nand_write(const char* name, int block, int page)
oob_ptr[index] = index & 0xff;
}
page = (block + nand->block_start) * nand->pages_per_block + page;
/* calculate the page number */
page = block * nand->pages_per_block + page;
result = rt_mtd_nand_write(nand, page, page_ptr, nand->page_size,
oob_ptr, nand->oob_size);
if (result != RT_MTD_EOK)
@ -254,8 +257,6 @@ int mtd_nand_erase(const char* name, int block)
return -RT_ERROR;
}
block += nand->block_start;
return rt_mtd_nand_erase_block(nand, block);
}
FINSH_FUNCTION_EXPORT_ALIAS(mtd_nand_erase, nand_erase, nand_erase(name, block));
@ -272,7 +273,7 @@ int mtd_nand_erase_all(const char* name)
return -RT_ERROR;
}
for (index = nand->block_start; index < nand->block_end; index ++)
for (index = 0; index < (nand->block_end - nand->block_start); index ++)
{
rt_mtd_nand_erase_block(nand, index);
}
@ -280,8 +281,6 @@ int mtd_nand_erase_all(const char* name)
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(mtd_nand_erase_all, nand_erase_all, erase all of nand device - nand_erase_all(name, block));
#endif
#endif