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Merge pull request #3205 from kaspar030/fix_samr21-xpro_clock_setup

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cpu: samd21: fix synchronization loop in clk_init
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bapclenet 2015-06-28 20:15:08 +02:00
commit 10f3f715cb
1 changed files with 1 additions and 2 deletions
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3
cpu/samd21/cpu.c
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@ -65,8 +65,7 @@ static void clk_init(void)
SYSCTRL->DPLLCTRLB.reg = (SYSCTRL_DPLLCTRLB_REFCLK_GCLK); SYSCTRL->DPLLCTRLB.reg = (SYSCTRL_DPLLCTRLB_REFCLK_GCLK);
SYSCTRL->DPLLCTRLA.reg = (SYSCTRL_DPLLCTRLA_ENABLE); SYSCTRL->DPLLCTRLA.reg = (SYSCTRL_DPLLCTRLA_ENABLE);
while(!(SYSCTRL->DPLLSTATUS.reg & while(!(SYSCTRL->DPLLSTATUS.reg &
(SYSCTRL_DPLLSTATUS_CLKRDY | SYSCTRL_DPLLSTATUS_LOCK)) == (SYSCTRL_DPLLSTATUS_CLKRDY | SYSCTRL_DPLLSTATUS_LOCK)));
(SYSCTRL_DPLLSTATUS_CLKRDY | SYSCTRL_DPLLSTATUS_LOCK));
/* select the PLL as source for clock generator 0 (CPU core clock) */ /* select the PLL as source for clock generator 0 (CPU core clock) */
GCLK->GENDIV.reg = (GCLK_GENDIV_DIV(CLOCK_PLL_DIV) | GCLK->GENDIV.reg = (GCLK_GENDIV_DIV(CLOCK_PLL_DIV) |