diff options
Diffstat (limited to 'drivers/mtd/nand/nandsim.c')
| -rw-r--r-- | drivers/mtd/nand/nandsim.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 261337efe0ee..a6a73aab1253 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -107,6 +107,7 @@ static char *gravepages = NULL; static unsigned int rptwear = 0; static unsigned int overridesize = 0; static char *cache_file = NULL; +static unsigned int bbt; module_param(first_id_byte, uint, 0400); module_param(second_id_byte, uint, 0400); @@ -130,6 +131,7 @@ module_param(gravepages, charp, 0400); module_param(rptwear, uint, 0400); module_param(overridesize, uint, 0400); module_param(cache_file, charp, 0400); +module_param(bbt, uint, 0400); MODULE_PARM_DESC(first_id_byte, "The first byte returned by NAND Flash 'read ID' command (manufacturer ID)"); MODULE_PARM_DESC(second_id_byte, "The second byte returned by NAND Flash 'read ID' command (chip ID)"); @@ -162,6 +164,7 @@ MODULE_PARM_DESC(overridesize, "Specifies the NAND Flash size overriding the I "The size is specified in erase blocks and as the exponent of a power of two" " e.g. 5 means a size of 32 erase blocks"); MODULE_PARM_DESC(cache_file, "File to use to cache nand pages instead of memory"); +MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in data area"); /* The largest possible page size */ #define NS_LARGEST_PAGE_SIZE 4096 @@ -553,8 +556,8 @@ static uint64_t divide(uint64_t n, uint32_t d) */ static int init_nandsim(struct mtd_info *mtd) { - struct nand_chip *chip = (struct nand_chip *)mtd->priv; - struct nandsim *ns = (struct nandsim *)(chip->priv); + struct nand_chip *chip = mtd->priv; + struct nandsim *ns = chip->priv; int i, ret = 0; uint64_t remains; uint64_t next_offset; @@ -1877,7 +1880,7 @@ static void switch_state(struct nandsim *ns) static u_char ns_nand_read_byte(struct mtd_info *mtd) { - struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv; + struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; u_char outb = 0x00; /* Sanity and correctness checks */ @@ -1950,7 +1953,7 @@ static u_char ns_nand_read_byte(struct mtd_info *mtd) static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte) { - struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv; + struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; /* Sanity and correctness checks */ if (!ns->lines.ce) { @@ -2132,7 +2135,7 @@ static uint16_t ns_nand_read_word(struct mtd_info *mtd) static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) { - struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv; + struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; /* Check that chip is expecting data input */ if (!(ns->state & STATE_DATAIN_MASK)) { @@ -2159,7 +2162,7 @@ static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) { - struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv; + struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; /* Sanity and correctness checks */ if (!ns->lines.ce) { @@ -2264,6 +2267,18 @@ static int __init ns_init_module(void) /* and 'badblocks' parameters to work */ chip->options |= NAND_SKIP_BBTSCAN; + switch (bbt) { + case 2: + chip->options |= NAND_USE_FLASH_BBT_NO_OOB; + case 1: + chip->options |= NAND_USE_FLASH_BBT; + case 0: + break; + default: + NS_ERR("bbt has to be 0..2\n"); + retval = -EINVAL; + goto error; + } /* * Perform minimum nandsim structure initialization to handle * the initial ID read command correctly @@ -2321,10 +2336,10 @@ static int __init ns_init_module(void) if ((retval = init_nandsim(nsmtd)) != 0) goto err_exit; - if ((retval = parse_badblocks(nand, nsmtd)) != 0) + if ((retval = nand_default_bbt(nsmtd)) != 0) goto err_exit; - if ((retval = nand_default_bbt(nsmtd)) != 0) + if ((retval = parse_badblocks(nand, nsmtd)) != 0) goto err_exit; /* Register NAND partitions */ @@ -2352,7 +2367,7 @@ module_init(ns_init_module); */ static void __exit ns_cleanup_module(void) { - struct nandsim *ns = (struct nandsim *)(((struct nand_chip *)nsmtd->priv)->priv); + struct nandsim *ns = ((struct nand_chip *)nsmtd->priv)->priv; int i; free_nandsim(ns); /* Free nandsim private resources */ |