diff options
Diffstat (limited to 'drivers/mtd/nand/nandsim.c')
| -rw-r--r-- | drivers/mtd/nand/nandsim.c | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 7dc1dd28d89..ab5bbf56743 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -87,10 +87,6 @@ #define CONFIG_NANDSIM_MAX_PARTS 32 #endif -static uint first_id_byte = CONFIG_NANDSIM_FIRST_ID_BYTE; -static uint second_id_byte = CONFIG_NANDSIM_SECOND_ID_BYTE; -static uint third_id_byte = CONFIG_NANDSIM_THIRD_ID_BYTE; -static uint fourth_id_byte = CONFIG_NANDSIM_FOURTH_ID_BYTE; static uint access_delay = CONFIG_NANDSIM_ACCESS_DELAY; static uint programm_delay = CONFIG_NANDSIM_PROGRAMM_DELAY; static uint erase_delay = CONFIG_NANDSIM_ERASE_DELAY; @@ -111,11 +107,19 @@ static unsigned int overridesize = 0; static char *cache_file = NULL; static unsigned int bbt; static unsigned int bch; +static u_char id_bytes[8] = { + [0] = CONFIG_NANDSIM_FIRST_ID_BYTE, + [1] = CONFIG_NANDSIM_SECOND_ID_BYTE, + [2] = CONFIG_NANDSIM_THIRD_ID_BYTE, + [3] = CONFIG_NANDSIM_FOURTH_ID_BYTE, + [4 ... 7] = 0xFF, +}; -module_param(first_id_byte, uint, 0400); -module_param(second_id_byte, uint, 0400); -module_param(third_id_byte, uint, 0400); -module_param(fourth_id_byte, uint, 0400); +module_param_array(id_bytes, byte, NULL, 0400); +module_param_named(first_id_byte, id_bytes[0], byte, 0400); +module_param_named(second_id_byte, id_bytes[1], byte, 0400); +module_param_named(third_id_byte, id_bytes[2], byte, 0400); +module_param_named(fourth_id_byte, id_bytes[3], byte, 0400); module_param(access_delay, uint, 0400); module_param(programm_delay, uint, 0400); module_param(erase_delay, uint, 0400); @@ -136,10 +140,11 @@ module_param(cache_file, charp, 0400); module_param(bbt, uint, 0400); module_param(bch, 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)"); -MODULE_PARM_DESC(third_id_byte, "The third byte returned by NAND Flash 'read ID' command"); -MODULE_PARM_DESC(fourth_id_byte, "The fourth byte returned by NAND Flash 'read ID' command"); +MODULE_PARM_DESC(id_bytes, "The ID bytes returned by NAND Flash 'read ID' command"); +MODULE_PARM_DESC(first_id_byte, "The first byte returned by NAND Flash 'read ID' command (manufacturer ID) (obsolete)"); +MODULE_PARM_DESC(second_id_byte, "The second byte returned by NAND Flash 'read ID' command (chip ID) (obsolete)"); +MODULE_PARM_DESC(third_id_byte, "The third byte returned by NAND Flash 'read ID' command (obsolete)"); +MODULE_PARM_DESC(fourth_id_byte, "The fourth byte returned by NAND Flash 'read ID' command (obsolete)"); MODULE_PARM_DESC(access_delay, "Initial page access delay (microseconds)"); MODULE_PARM_DESC(programm_delay, "Page programm delay (microseconds"); MODULE_PARM_DESC(erase_delay, "Sector erase delay (milliseconds)"); @@ -304,7 +309,7 @@ struct nandsim { unsigned int nbparts; uint busw; /* flash chip bus width (8 or 16) */ - u_char ids[4]; /* chip's ID bytes */ + u_char ids[8]; /* chip's ID bytes */ uint32_t options; /* chip's characteristic bits */ uint32_t state; /* current chip state */ uint32_t nxstate; /* next expected state */ @@ -2279,17 +2284,18 @@ static int __init ns_init_module(void) * Perform minimum nandsim structure initialization to handle * the initial ID read command correctly */ - if (third_id_byte != 0xFF || fourth_id_byte != 0xFF) + if (id_bytes[6] != 0xFF || id_bytes[7] != 0xFF) + nand->geom.idbytes = 8; + else if (id_bytes[4] != 0xFF || id_bytes[5] != 0xFF) + nand->geom.idbytes = 6; + else if (id_bytes[2] != 0xFF || id_bytes[3] != 0xFF) nand->geom.idbytes = 4; else nand->geom.idbytes = 2; nand->regs.status = NS_STATUS_OK(nand); nand->nxstate = STATE_UNKNOWN; nand->options |= OPT_PAGE512; /* temporary value */ - nand->ids[0] = first_id_byte; - nand->ids[1] = second_id_byte; - nand->ids[2] = third_id_byte; - nand->ids[3] = fourth_id_byte; + memcpy(nand->ids, id_bytes, sizeof(nand->ids)); if (bus_width == 16) { nand->busw = 16; chip->options |= NAND_BUSWIDTH_16; |