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Merge pull request #13498 from benpicco/samd21-startup-fix

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cpu/samd21: fix long startup times
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benpicco 2020-02-28 18:37:07 +01:00 committed by GitHub
commit 0c1ea376c7
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1 changed files with 2 additions and 3 deletions
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cpu/samd21/cpu.c
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@ -32,7 +32,7 @@
#endif
#ifndef GEN3_ULP32K
#define GEN3_ULP32K 1
#define GEN3_ULP32K GEN2_ULP32K
#endif
#ifndef XOSC32_STARTUP_TIME
@ -115,8 +115,7 @@ static void clk_init(void)
#if CLOCK_USE_XOSC32_DFLL || !GEN2_ULP32K || !GEN3_ULP32K
/* Use External 32.768KHz Oscillator */
SYSCTRL->XOSC32K.reg = SYSCTRL_XOSC32K_ONDEMAND |
SYSCTRL_XOSC32K_EN32K |
SYSCTRL->XOSC32K.reg = SYSCTRL_XOSC32K_EN32K |
SYSCTRL_XOSC32K_XTALEN |
SYSCTRL_XOSC32K_STARTUP(XOSC32_STARTUP_TIME) |
SYSCTRL_XOSC32K_RUNSTDBY;