diff options
Diffstat (limited to 'drivers/mtd/nand/gpmi-nand/gpmi-nand.h')
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h index 229b2c5e1b12..21e1f6569211 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h @@ -120,6 +120,8 @@ struct nand_timing { int8_t tRHOH_in_ns; }; +#define ASYNC_EDO_ENABLED 1 +#define ASYNC_EDO_TIMING_CONFIGED 2 struct gpmi_nand_data { /* System Interface */ struct device *dev; @@ -181,6 +183,8 @@ struct gpmi_nand_data { /* private */ void *private; + int flags; + int timing_mode; }; /** @@ -188,16 +192,27 @@ struct gpmi_nand_data { * @data_setup_in_cycles: The data setup time, in cycles. * @data_hold_in_cycles: The data hold time, in cycles. * @address_setup_in_cycles: The address setup time, in cycles. + * @device_busy_timeout: The timeout waiting for NAND Ready/Busy, + * this value is the number of cycles multiplied + * by 4096. * @use_half_periods: Indicates the clock is running slowly, so the * NFC DLL should use half-periods. * @sample_delay_factor: The sample delay factor. + * @wrn_dly_sel: The delay on the GPMI write strobe. */ struct gpmi_nfc_hardware_timing { + /* for GPMI_HW_GPMI_TIMING0 */ uint8_t data_setup_in_cycles; uint8_t data_hold_in_cycles; uint8_t address_setup_in_cycles; + + /* for GPMI_HW_GPMI_TIMING1 */ + uint16_t device_busy_timeout; + + /* for GPMI_HW_GPMI_CTRL1 */ bool use_half_periods; uint8_t sample_delay_factor; + uint8_t wrn_dly_sel; }; /** |