diff options
Diffstat (limited to 'include/configs/DK1C20.h')
| -rw-r--r-- | include/configs/DK1C20.h | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/include/configs/DK1C20.h b/include/configs/DK1C20.h index 2d77dd7..9b4f144 100644 --- a/include/configs/DK1C20.h +++ b/include/configs/DK1C20.h @@ -146,17 +146,60 @@ #if (CFG_NIOS_CPU_TICK_TIMER == 0) -#error *** CFG_ERROR: tick timer at TIMER0 not supported, expand your config.h +#define CFG_NIOS_TMRBASE CFG_NIOS_CPU_TIMER0 /* TIMER0 as tick */ +#define CFG_NIOS_TMRIRQ CFG_NIOS_CPU_TIMER0_IRQ + +#if (CFG_NIOS_CPU_TIMER0_FP == 1) /* fixed period */ + +#if (CFG_NIOS_CPU_TIMER0_PER >= CFG_HZ) +#define CFG_NIOS_TMRMS (CFG_NIOS_CPU_TIMER0_PER / CFG_HZ) +#else +#error *** CFG_ERROR: you have to use a timer periode greater than CFG_HZ +#endif + +#undef CFG_NIOS_TMRCNT /* no preloadable counter value */ + +#elif (CFG_NIOS_CPU_TIMER0_FP == 0) /* variable period */ + +#if (CFG_HZ <= 1000) +#define CFG_NIOS_TMRMS (1000 / CFG_HZ) +#else +#error *** CFG_ERROR: sorry, CFG_HZ have to be less than 1000 +#endif + +#define CFG_NIOS_TMRCNT (CONFIG_SYS_CLK_FREQ / CFG_HZ) + +#else +#error *** CFG_ERROR: you have to define CFG_NIOS_CPU_TIMER0_FP correct +#endif #elif (CFG_NIOS_CPU_TICK_TIMER == 1) #define CFG_NIOS_TMRBASE CFG_NIOS_CPU_TIMER1 /* TIMER1 as tick */ #define CFG_NIOS_TMRIRQ CFG_NIOS_CPU_TIMER1_IRQ +#if (CFG_NIOS_CPU_TIMER1_FP == 1) /* fixed period */ + #if (CFG_NIOS_CPU_TIMER1_PER >= CFG_HZ) #define CFG_NIOS_TMRMS (CFG_NIOS_CPU_TIMER1_PER / CFG_HZ) #else -#error *** CFG_ERROR: you have to use a timer periode of more than CFG_HZ +#error *** CFG_ERROR: you have to use a timer periode greater than CFG_HZ +#endif + +#undef CFG_NIOS_TMRCNT /* no preloadable counter value */ + +#elif (CFG_NIOS_CPU_TIMER1_FP == 0) /* variable period */ + +#if (CFG_HZ <= 1000) +#define CFG_NIOS_TMRMS (1000 / CFG_HZ) +#else +#error *** CFG_ERROR: sorry, CFG_HZ have to be less than 1000 +#endif + +#define CFG_NIOS_TMRCNT (CONFIG_SYS_CLK_FREQ / CFG_HZ) + +#else +#error *** CFG_ERROR: you have to define CFG_NIOS_CPU_TIMER1_FP correct #endif #endif /* CFG_NIOS_CPU_TICK_TIMER */ |