diff options
Diffstat (limited to 'include/asm-arm/arch-mx25/mxc_nand.h')
| -rw-r--r-- | include/asm-arm/arch-mx25/mxc_nand.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/include/asm-arm/arch-mx25/mxc_nand.h b/include/asm-arm/arch-mx25/mxc_nand.h index 9b2eec6..de273ac 100644 --- a/include/asm-arm/arch-mx25/mxc_nand.h +++ b/include/asm-arm/arch-mx25/mxc_nand.h @@ -1,5 +1,5 @@ /* - * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved. */ /* @@ -32,6 +32,30 @@ #define IS_LARGE_PAGE_NAND ((mtd->writesize / info->num_of_intlv) > 512) #define GET_NAND_OOB_SIZE (mtd->oobsize / info->num_of_intlv) +#define GET_NAND_PAGE_SIZE (mtd->writesize / info->num_of_intlv) + +/* + * main area for bad block marker is in the last data section + * the spare area for swapped bad block marker is the second + * byte of last spare section + */ +#define NAND_SECTIONS (GET_NAND_PAGE_SIZE >> 9) +#define NAND_OOB_PER_SECTION (((GET_NAND_OOB_SIZE / NAND_SECTIONS) >> 1) << 1) +#define NAND_CHUNKS (GET_NAND_PAGE_SIZE / (512 + NAND_OOB_PER_SECTION)) + +#define BAD_BLK_MARKER_MAIN_OFFS \ + (GET_NAND_PAGE_SIZE - NAND_CHUNKS * NAND_OOB_PER_SECTION) + +#define BAD_BLK_MARKER_SP_OFFS (NAND_CHUNKS * SPARE_LEN) + +#define BAD_BLK_MARKER_OOB_OFFS (NAND_CHUNKS * NAND_OOB_PER_SECTION) + +#define BAD_BLK_MARKER_MAIN \ + ((u32)MAIN_AREA0 + BAD_BLK_MARKER_MAIN_OFFS) + +#define BAD_BLK_MARKER_SP \ + ((u32)SPARE_AREA0 + BAD_BLK_MARKER_SP_OFFS) + #define NAND_PAGESIZE_2KB 2048 #define NAND_PAGESIZE_4KB 4096 #define NAND_MAX_PAGESIZE 4096 |