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Improved clock tree configuration for SAMA5 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10589 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
Rocco Marco Guglielmi 2017-09-16 12:23:43 +00:00
parent 43fb2b1779
commit b3588b34c0
1 changed files with 5 additions and 1 deletions
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6
os/hal/ports/SAMA/SAMA5D2x/hal_lld.c
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@ -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