diff options
| author | Huang Shijie <b32955@freescale.com> | 2010-11-01 13:41:27 +0800 |
|---|---|---|
| committer | Scott Sweeny <scott.sweeny@timesys.com> | 2011-01-19 11:50:18 -0500 |
| commit | 7c15a63ac1a4cad23b9dc500e4e360b9111e3501 (patch) | |
| tree | b5af86aae500c1530b67693191ada86dff9642be | |
| parent | 5e4555dee279b542ea7f1127ea35264e3c02625d (diff) | |
ENGR00133178-5 NAND : add device info for ONFI nand
ONFI nand needs 24-bit ECC per 1080 bytes of data.
So add a 24-bit ECC search table for the ONFI nand.
Signed-off-by: Huang Shijie <b32955@freescale.com>
| -rw-r--r-- | drivers/mtd/nand/nand_device_info.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand_device_info.c b/drivers/mtd/nand/nand_device_info.c index 47980ef18413..636160de8421 100644 --- a/drivers/mtd/nand/nand_device_info.c +++ b/drivers/mtd/nand/nand_device_info.c @@ -1647,6 +1647,33 @@ static struct nand_device_info nand_device_info_table_bch_ecc12[] __initdata = { }; /* + * BCH ECC24 + */ +static struct nand_device_info nand_device_info_table_bch_ecc24[] __initdata = { + { + .end_of_table = false, + .manufacturer_code = 0x2c, + .device_code = 0x88, + .is_onfi_nand = true, + .cell_technology = NAND_DEVICE_CELL_TECH_MLC, + .chip_size_in_bytes = 8LL * SZ_1G, + .block_size_in_pages = 256, + .page_total_size_in_bytes = 8 * SZ_1K + 448, + .ecc_strength_in_bits = 24, + .ecc_size_in_bytes = 1024, + .data_setup_in_ns = 15, + .data_hold_in_ns = 10, + .address_setup_in_ns = 20, + .gpmi_sample_delay_in_ns = 6, + .tREA_in_ns = 20, + .tRLOH_in_ns = 5, + .tRHOH_in_ns = 15, + "MT29F64G08CBAAA(8GB, 2CE) ", + }, + {true} +}; + +/* * The following macros make it convenient to extract information from an ID * byte array. All these macros begin with the prefix "ID_". * @@ -1703,6 +1730,7 @@ static struct nand_device_info nand_device_info_table_bch_ecc12[] __initdata = { #define ID_MICRON_DEVICE_CODE_ECC12_2GB_PER_CE (0x48) /* L63B 2GB/CE */ #define ID_MICRON_DEVICE_CODE_ECC12_4GB_PER_CE (0x68) /* L63B 4GB/CE */ #define ID_MICRON_DEVICE_CODE_ECC12_8GB_PER_CE (0x88) /* L63B 8GB/CE */ + #define ID_MICRON_DEVICE_CODE_ECC24_8GB_PER_CE (0x88) /* L63B 8GB/CE */ /* Byte 3 ------------------------------------------------------------------- */ @@ -1719,6 +1747,7 @@ static struct nand_device_info nand_device_info_table_bch_ecc12[] __initdata = { #define ID_GET_CACHE_PROGRAM(id) ((ID_GET_BYTE_3(id) >> 7) & 0x1) +#define ID_ONFI_NAND_BYTE3 (0x04) /* Byte 4 ------------------------------------------------------------------- */ #define ID_GET_BYTE_4(id) ((id)[3]) @@ -2077,6 +2106,11 @@ static struct nand_device_info * __init nand_device_info_fn_micron(const uint8_t } + if (ID_GET_DEVICE_CODE(id) == ID_MICRON_DEVICE_CODE_ECC24_8GB_PER_CE + && ID_GET_BYTE_3(id) == ID_ONFI_NAND_BYTE3) { + /* BCH ECC 24 */ + table = nand_device_info_table_bch_ecc24; + } else /* * We look at the 5th ID byte to distinguish some Micron ECC12 NANDs * from the similar ECC8 part. @@ -2178,6 +2212,7 @@ static struct nand_device_type_info nand_device_type_directory[] __initdata = { {nand_device_info_table_type_11, "Type 11" }, {nand_device_info_table_type_15, "Type 15" }, {nand_device_info_table_bch_ecc12, "BCH ECC12"}, + {nand_device_info_table_bch_ecc24, "BCH ECC24"}, {0, 0}, }; |