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Add a DDR flush function, inspired by both Linux and if_arge.c.

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This commit is contained in:
adrian 2010-08-18 09:11:45 +00:00
parent 78859ef80f
commit f43dd4adfc
1 changed files with 10 additions and 0 deletions
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10
sys/mips/atheros/ar71xxreg.h
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@ -491,5 +491,15 @@ ar71xx_ahb_freq(void)
return (freq);
}
static inline void
ar71xx_ddr_flush(uint32_t reg)
{
ATH_WRITE_REG(reg, 1);
while ((ATH_READ_REG(reg) & 0x1))
;
ATH_WRITE_REG(reg, 1);
while ((ATH_READ_REG(reg) & 0x1))
;
}
#endif /* _AR71XX_REG_H_ */