diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/gpmc.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/gpmc.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/include/plat/gpmc.h b/arch/arm/plat-omap/include/plat/gpmc.h index 9fd99b9e40ab..85ded598853e 100644 --- a/arch/arm/plat-omap/include/plat/gpmc.h +++ b/arch/arm/plat-omap/include/plat/gpmc.h @@ -80,12 +80,12 @@ #define GPMC_PREFETCH_STATUS_COUNT(val) (val & 0x00003fff) /* - * Note that all values in this struct are in nanoseconds, while - * the register values are in gpmc_fck cycles. + * Note that all values in this struct are in nanoseconds except sync_clk + * (which is in picoseconds), while the register values are in gpmc_fck cycles. */ struct gpmc_timings { - /* Minimum clock period for synchronous mode */ - u16 sync_clk; + /* Minimum clock period for synchronous mode (in picoseconds) */ + u32 sync_clk; /* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */ u16 cs_on; /* Assertion time */ @@ -117,6 +117,7 @@ struct gpmc_timings { }; extern unsigned int gpmc_ns_to_ticks(unsigned int time_ns); +extern unsigned int gpmc_ps_to_ticks(unsigned int time_ps); extern unsigned int gpmc_ticks_to_ns(unsigned int ticks); extern unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns); extern unsigned long gpmc_get_fclk_period(void); |