diff options
| -rw-r--r-- | arch/arm/cpu/at91-common/spl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/cpu/at91-common/spl.c b/arch/arm/cpu/at91-common/spl.c index 674a47061e..57fb04106d 100644 --- a/arch/arm/cpu/at91-common/spl.c +++ b/arch/arm/cpu/at91-common/spl.c @@ -50,6 +50,10 @@ static void switch_to_main_crystal_osc(void) while (!(readl(&pmc->sr) & AT91_PMC_IXR_MOSCSELS)) ; + /* Wait until MAINRDY field is set to make sure main clock is stable */ + while (!(readl(&pmc->mcfr) & AT91_PMC_MAINRDY)) + ; + tmp = readl(&pmc->mor); tmp &= ~AT91_PMC_MOR_MOSCRCEN; tmp &= ~AT91_PMC_MOR_KEY(0xff); |