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mtd: nand: mxs: Replace magic number for bits per ECC level with macro

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Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Reviewed-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Jörg Krause 2015-04-15 09:27:22 +02:00 committed by Scott Wood
parent bd38da1a55
commit 1fbdb70610
2 changed files with 6 additions and 4 deletions
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7
drivers/mtd/nand/mxs_nand.c
View file

@ -36,7 +36,7 @@
#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT 0
#endif
#define MXS_NAND_METADATA_SIZE 10
#define MXS_NAND_BITS_PER_ECC_LEVEL 13
#define MXS_NAND_COMMAND_BUFFER_SIZE 32
#define MXS_NAND_BCH_TIMEOUT 10000
@ -135,7 +135,7 @@ static uint32_t mxs_nand_ecc_chunk_cnt(uint32_t page_data_size)
static uint32_t mxs_nand_ecc_size_in_bits(uint32_t ecc_strength)
{
return ecc_strength * 13;
return ecc_strength * MXS_NAND_BITS_PER_ECC_LEVEL;
}
static uint32_t mxs_nand_aux_status_offset(void)
@ -157,7 +157,8 @@ static inline uint32_t mxs_nand_get_ecc_strength(uint32_t page_data_size,
* (page oob size - meta data size) * (bits per byte)
*/
ecc_strength = ((page_oob_size - MXS_NAND_METADATA_SIZE) * 8)
/ (13 * mxs_nand_ecc_chunk_cnt(page_data_size));
/ (MXS_NAND_BITS_PER_ECC_LEVEL *
mxs_nand_ecc_chunk_cnt(page_data_size));
return round_down(ecc_strength, 2);
}

3
tools/mxsboot.c
View file

@ -48,6 +48,7 @@ static uint32_t sd_sector = 2048;
#define MXS_NAND_DMA_DESCRIPTOR_COUNT 4
#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE 512
#define MXS_NAND_METADATA_SIZE 10
#define MXS_NAND_BITS_PER_ECC_LEVEL 13
#define MXS_NAND_COMMAND_BUFFER_SIZE 32
struct mx28_nand_fcb {
@ -127,7 +128,7 @@ struct mx28_sd_config_block {
static inline uint32_t mx28_nand_ecc_size_in_bits(uint32_t ecc_strength)
{
return ecc_strength * 13;
return ecc_strength * MXS_NAND_BITS_PER_ECC_LEVEL;
}
static inline uint32_t mx28_nand_get_ecc_strength(uint32_t page_data_size,