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FS#8642: Improve boot time on Sansa bootloaders by boosting the CPU. This only has any noticable effect if the OF bootloader is fully replaced with the RB BL.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17172 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Barry Wardell 2008-04-19 16:30:17 +00:00
parent 79fb077933
commit 1f36c4ba53
1 changed files with 9 additions and 2 deletions
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11
firmware/target/arm/system-pp502x.c
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@ -138,8 +138,8 @@ static void init_cache(void)
CACHE_CTL |= CACHE_CTL_INIT | CACHE_CTL_ENABLE | CACHE_CTL_RUN; CACHE_CTL |= CACHE_CTL_INIT | CACHE_CTL_ENABLE | CACHE_CTL_RUN;
nop; nop; nop; nop; nop; nop; nop; nop;
} }
#endif /* !BOOTLOADER */
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
void scale_suspend_core(bool suspend) ICODE_ATTR; void scale_suspend_core(bool suspend) ICODE_ATTR;
void scale_suspend_core(bool suspend) void scale_suspend_core(bool suspend)
{ {
@ -161,6 +161,7 @@ void scale_suspend_core(bool suspend)
} }
} }
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
void set_cpu_frequency(long frequency) ICODE_ATTR; void set_cpu_frequency(long frequency) ICODE_ATTR;
void set_cpu_frequency(long frequency) void set_cpu_frequency(long frequency)
#else #else
@ -282,7 +283,6 @@ static void pp_set_cpu_frequency(long frequency)
spinlock_unlock(&boostctrl_spin); spinlock_unlock(&boostctrl_spin);
#endif #endif
} }
#endif /* !BOOTLOADER */
void system_init(void) void system_init(void)
{ {
@ -415,6 +415,13 @@ void system_init(void)
} }
init_cache(); init_cache();
#else /* BOOTLOADER */
if (CURRENT_CORE == CPU)
{
#if defined(SANSA_C200) || defined (SANSA_E200)
pp_set_cpu_frequency(CPUFREQ_MAX);
#endif
}
#endif /* BOOTLOADER */ #endif /* BOOTLOADER */
} }