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Simplification for user timer on coldfire. We define TIMER_FREQ separately anyway.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9479 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2006-04-04 01:16:11 +00:00
parent fcab617331
commit 295ec69717
2 changed files with 7 additions and 8 deletions
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11
firmware/export/timer.h
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@ -25,12 +25,15 @@
#ifndef SIMULATOR #ifndef SIMULATOR
/* Assume timer base freq. is CPU clock base freq. Portalplayer chips use a
microsecond timer instead. */
#if CONFIG_CPU == PP5020 || CONFIG_CPU == PP5002 #if CONFIG_CPU == PP5020 || CONFIG_CPU == PP5002
#define TIMER_FREQ 1000000 /* Portalplayer chips use a microsecond timer. */
#define TIMER_FREQ 1000000
#elif defined(CPU_COLDFIRE)
/* timer is based on busclk == cpuclk/2 */
#define TIMER_FREQ (CPU_FREQ/2)
#else #else
#define TIMER_FREQ CPU_FREQ #define TIMER_FREQ CPU_FREQ
#endif #endif
bool timer_register(int reg_prio, void (*unregister_callback)(void), bool timer_register(int reg_prio, void (*unregister_callback)(void),

4
firmware/timer.c
View file

@ -70,10 +70,6 @@ static bool timer_set(long cycles, bool start)
(void)start; (void)start;
#endif #endif
#ifdef CPU_COLDFIRE
cycles >>= 1; /* the coldfire timer works on busclk == cpuclk/2 */
#endif
/* Don't do this on ipods, we don't know if these platforms have prescaler /* Don't do this on ipods, we don't know if these platforms have prescaler
capabilities on the timer we use. */ capabilities on the timer we use. */
#if CONFIG_CPU != PP5020 && CONFIG_CPU != PP5002 #if CONFIG_CPU != PP5020 && CONFIG_CPU != PP5002