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-rw-r--r--cpu/arm926ejs/at91/clock.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/cpu/arm926ejs/at91/clock.c b/cpu/arm926ejs/at91/clock.c
index b06d760..ecf91f5 100644
--- a/cpu/arm926ejs/at91/clock.c
+++ b/cpu/arm926ejs/at91/clock.c
@@ -203,7 +203,8 @@ int at91_clock_init(unsigned long main_clock)
if (mckr & AT91_PMC_MCKR_MDIV_MASK)
freq /= 2; /* processor clock division */
#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
- mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) == AT91SAM9_PMC_MDIV_3
+ mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ==
+ (AT91_PMC_MCKR_MDIV_2 | AT91_PMC_MCKR_MDIV_4)
? freq / 3
: freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));
#else