diff options
Diffstat (limited to 'os/hal/ports')
| -rw-r--r-- | os/hal/ports/SAMA/SAMA5D2x/hal_lld.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/os/hal/ports/SAMA/SAMA5D2x/hal_lld.c b/os/hal/ports/SAMA/SAMA5D2x/hal_lld.c index 8de8f498b..9f780c3ec 100644 --- a/os/hal/ports/SAMA/SAMA5D2x/hal_lld.c +++ b/os/hal/ports/SAMA/SAMA5D2x/hal_lld.c @@ -178,7 +178,11 @@ void sama_clock_init(void) { ; /* Waits until MCK is stable. */
mckr &= ~(PMC_MCKR_PRES_Msk | PMC_MCKR_MDIV_Msk | PMC_MCKR_H32MXDIV);
- mckr |= (SAMA_MCK_PRES | SAMA_MCK_MDIV | SAMA_H64MX_H32MX_DIV);
+
+ /* Note that prescaler and divider must be changed with separate accesses.*/
+ mckr |= SAMA_MCK_PRES;
+ mckr |= SAMA_MCK_MDIV;
+ mckr |= SAMA_H64MX_H32MX_DIV;
#if SAMA_PLLADIV2_EN
mckr |= PMC_MCKR_PLLADIV2;
#else
|