diff options
Diffstat (limited to 'drivers/mtd/nand/nand_timings.c')
| -rw-r--r-- | drivers/mtd/nand/nand_timings.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nand_timings.c b/drivers/mtd/nand/nand_timings.c index 13a587407be3..f06312df3669 100644 --- a/drivers/mtd/nand/nand_timings.c +++ b/drivers/mtd/nand/nand_timings.c @@ -18,6 +18,8 @@ static const struct nand_data_interface onfi_sdr_timings[] = { { .type = NAND_SDR_IFACE, .timings.sdr = { + .tCCS_min = 500000, + .tR_max = 200000000, .tADL_min = 400000, .tALH_min = 20000, .tALS_min = 50000, @@ -58,6 +60,8 @@ static const struct nand_data_interface onfi_sdr_timings[] = { { .type = NAND_SDR_IFACE, .timings.sdr = { + .tCCS_min = 500000, + .tR_max = 200000000, .tADL_min = 400000, .tALH_min = 10000, .tALS_min = 25000, @@ -98,6 +102,8 @@ static const struct nand_data_interface onfi_sdr_timings[] = { { .type = NAND_SDR_IFACE, .timings.sdr = { + .tCCS_min = 500000, + .tR_max = 200000000, .tADL_min = 400000, .tALH_min = 10000, .tALS_min = 15000, @@ -138,6 +144,8 @@ static const struct nand_data_interface onfi_sdr_timings[] = { { .type = NAND_SDR_IFACE, .timings.sdr = { + .tCCS_min = 500000, + .tR_max = 200000000, .tADL_min = 400000, .tALH_min = 5000, .tALS_min = 10000, @@ -178,6 +186,8 @@ static const struct nand_data_interface onfi_sdr_timings[] = { { .type = NAND_SDR_IFACE, .timings.sdr = { + .tCCS_min = 500000, + .tR_max = 200000000, .tADL_min = 400000, .tALH_min = 5000, .tALS_min = 10000, @@ -218,6 +228,8 @@ static const struct nand_data_interface onfi_sdr_timings[] = { { .type = NAND_SDR_IFACE, .timings.sdr = { + .tCCS_min = 500000, + .tR_max = 200000000, .tADL_min = 400000, .tALH_min = 5000, .tALS_min = 10000, @@ -290,10 +302,22 @@ int onfi_init_data_interface(struct nand_chip *chip, *iface = onfi_sdr_timings[timing_mode]; /* - * TODO: initialize timings that cannot be deduced from timing mode: + * Initialize timings that cannot be deduced from timing mode: * tR, tPROG, tCCS, ... * These information are part of the ONFI parameter page. */ + if (chip->onfi_version) { + struct nand_onfi_params *params = &chip->onfi_params; + struct nand_sdr_timings *timings = &iface->timings.sdr; + + /* microseconds -> picoseconds */ + timings->tPROG_max = 1000000UL * le16_to_cpu(params->t_prog); + timings->tBERS_max = 1000000UL * le16_to_cpu(params->t_bers); + timings->tR_max = 1000000UL * le16_to_cpu(params->t_r); + + /* nanoseconds -> picoseconds */ + timings->tCCS_min = 1000UL * le16_to_cpu(params->t_ccs); + } return 0; } |