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Merge pull request #6335 from kaspar030/fix_saml21_pm_init

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cpu: saml21: re-add periph/pm initialization
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Kaspar Schleiser 2017-01-13 10:21:57 +01:00 committed by GitHub
commit 5da88f794a
1 changed files with 11 additions and 0 deletions
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11
cpu/saml21/cpu.c
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@ -66,4 +66,15 @@ void cpu_init(void)
/* Setup GCLK generators */ /* Setup GCLK generators */
_gclk_setup(0, GCLK_GENCTRL_GENEN | GCLK_GENCTRL_SRC_OSC16M); _gclk_setup(0, GCLK_GENCTRL_GENEN | GCLK_GENCTRL_SRC_OSC16M);
_gclk_setup(1, GCLK_GENCTRL_GENEN | GCLK_GENCTRL_SRC_OSCULP32K); _gclk_setup(1, GCLK_GENCTRL_GENEN | GCLK_GENCTRL_SRC_OSCULP32K);
#ifdef FEATURE_PERIPH_PM
/* enable power managemet module */
MCLK->APBAMASK.reg |= MCLK_APBAMASK_PM;
PM->CTRLA.reg = PM_CTRLA_MASK & (~PM_CTRLA_IORET);
/* disable brownout detection
* (Caused unexplicable reboots from sleep on saml21. /KS)
*/
SUPC->BOD33.bit.ENABLE=0;
#endif
} }