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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9073 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2006-03-17 02:13:49 +00:00
parent 70ab7fc4e9
commit 176b38f548
1 changed files with 7 additions and 7 deletions
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14
firmware/system.c
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@ -1215,7 +1215,7 @@ void set_cpu_frequency(long frequency)
cpu_frequency = frequency; cpu_frequency = frequency;
/* Enable PLL? */ /* Enable PLL? */
outl(inl(0x70000020) | (1<<30), 0x70000020); outl(inl(0x70000020) | (1<<30), 0x70000020);
/* Select 24MHz crystal as clock source? */ /* Select 24MHz crystal as clock source? */
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000020, 0x60006020); outl((inl(0x60006020) & 0x0fffff0f) | 0x20000020, 0x60006020);
@ -1223,16 +1223,16 @@ void set_cpu_frequency(long frequency)
/* Clock frequency = (24/8)*postmult */ /* Clock frequency = (24/8)*postmult */
outl(0xaa020000 | 8 | (postmult << 8), 0x60006034); outl(0xaa020000 | 8 | (postmult << 8), 0x60006034);
/* Wait for PLL relock? */ /* Wait for PLL relock? */
udelay(2000); udelay(2000);
/* Select PLL as clock source? */ /* Select PLL as clock source? */
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020); outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020);
} }
#else #else
void ipod_set_cpu_frequency(void) void ipod_set_cpu_frequency(void)
{ {
/* Enable PLL? */ /* Enable PLL? */
outl(inl(0x70000020) | (1<<30), 0x70000020); outl(inl(0x70000020) | (1<<30), 0x70000020);
/* Select 24MHz crystal as clock source? */ /* Select 24MHz crystal as clock source? */
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000020, 0x60006020); outl((inl(0x60006020) & 0x0fffff0f) | 0x20000020, 0x60006020);
@ -1240,10 +1240,10 @@ void ipod_set_cpu_frequency(void)
/* Clock frequency = (24/8)*25 = 75MHz */ /* Clock frequency = (24/8)*25 = 75MHz */
outl(0xaa020000 | 8 | (25 << 8), 0x60006034); outl(0xaa020000 | 8 | (25 << 8), 0x60006034);
/* Wait for PLL relock? */ /* Wait for PLL relock? */
udelay(2000); udelay(2000);
/* Select PLL as clock source? */ /* Select PLL as clock source? */
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020); outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020);
} }
#endif #endif
@ -1267,7 +1267,7 @@ void system_init(void)
#if !defined(APPLE_IPODNANO) && !defined(APPLE_IPODVIDEO) #if !defined(APPLE_IPODNANO) && !defined(APPLE_IPODVIDEO)
ipod_set_cpu_frequency(); ipod_set_cpu_frequency();
#endif #endif
ipod_init_cache(); ipod_init_cache();
#endif #endif
} }