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Raise iPod CPU frequency and enable cache and add function needed for button driver.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8257 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2005-12-17 19:11:43 +00:00
parent 8bf079ffc1
commit 5cc7347463
2 changed files with 50 additions and 0 deletions
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5
firmware/export/system.h
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@ -34,6 +34,11 @@ extern long cpu_frequency;
#define outl(a,b) (*(volatile unsigned long *) (b) = (a))
#define inb(a) (*(volatile unsigned char *) (a))
#define outb(a,b) (*(volatile unsigned char *) (b) = (a))
static inline void udelay(unsigned usecs)
{
unsigned start = inl(0x60005010);
while ((inl(0x60005010) - start) < usecs);
}
#endif
#ifdef HAVE_ADJUSTABLE_CPU_FREQ