diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mtd/rawnand.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index a53a1543d1d4..89b9c52c7387 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -557,6 +557,34 @@ struct nand_nvddr_timings { u32 tWW_min; }; +/* + * While timings related to the data interface itself are mostly different + * between SDR and NV-DDR, timings related to the internal chip behavior are + * common. IOW, the following entries which describe the internal delays have + * the same definition and are shared in both SDR and NV-DDR timing structures: + * - tADL_min + * - tBERS_max + * - tCCS_min + * - tFEAT_max + * - tPROG_max + * - tR_max + * - tRR_min + * - tRST_max + * - tWB_max + * + * The below macros return the value of a given timing, no matter the interface. + */ +#define NAND_COMMON_TIMING_PS(conf, timing_name) \ + nand_interface_is_sdr(conf) ? \ + nand_get_sdr_timings(conf)->timing_name : \ + nand_get_nvddr_timings(conf)->timing_name + +#define NAND_COMMON_TIMING_MS(conf, timing_name) \ + PSEC_TO_MSEC(NAND_COMMON_TIMING_PS((conf), timing_name)) + +#define NAND_COMMON_TIMING_NS(conf, timing_name) \ + PSEC_TO_NSEC(NAND_COMMON_TIMING_PS((conf), timing_name)) + /** * enum nand_interface_type - NAND interface type * @NAND_SDR_IFACE: Single Data Rate interface |