diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/clock.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/clock.c b/arch/arm/cpu/arm926ejs/at91/clock.c index 3098beb319..99e6956354 100644 --- a/arch/arm/cpu/arm926ejs/at91/clock.c +++ b/arch/arm/cpu/arm926ejs/at91/clock.c @@ -154,12 +154,11 @@ int at91_clock_init(unsigned long main_clock) * For now, assume this parentage won't change. */ mckr = readl(&pmc->mckr); - - /* plla divisor by 2, Only for AT91SAM9G45, 9M10G45, 9X5, 9N12 */ - /* For other AT91 chip, the bit 12 of MCKR is reserved, default is 0 */ - if (mckr & (1 << 12)) - gd->plla_rate_hz >>= 1; - +#if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ + || defined(CONFIG_AT91SAM9X5) + /* plla divisor by 2 */ + gd->plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12)); +#endif gd->mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); freq = gd->mck_rate_hz; |