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[LPC11Uxx] Properly setup SYSOSC on request

This commit is contained in:
codetector 2020-11-26 23:30:36 -05:00
parent 20369a3011
commit a7ddf463e3
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GPG Key ID: 7D42AB4D2C7B40A4
1 changed files with 9 additions and 1 deletions
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10
os/hal/ports/LPC/LPC11Uxx/hal_lld.c
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@ -50,6 +50,14 @@
/*===========================================================================*/
void lpc_clock_init(void) {
#if defined(LPC_USE_SYSOSC) && LPC_USE_SYSOSC != FALSE
LPC_SYSCON->PDRUNCFG &= ~SYSCON_PDRUNCFG_SYSSOC_PD;
LPC_SYSCON->SYSOSCCTRL = 0;
#endif
#if LPC_MAINCLKSEL == SYSCON_MAINCLKSEL_PLLOUT ||\
LPC_MAINCLKSEL == SYSCON_MAINCLKSEL_PLLIN
// 1. Config PLL input clock
@ -62,7 +70,7 @@ void lpc_clock_init(void) {
// 2. Config PLL
// Enable PLL power
LPC_SYSCON->PDRUNCFG &= (~SYS_CON_PDRUNCFG_SYSPLL_PD);
LPC_SYSCON->PDRUNCFG &= (~SYSCON_PDRUNCFG_SYSPLL_PD);
// Apply PLL Config
LPC_SYSCON->SYSPLLCTRL = (LPC_SYSPLL_PSEL_VAL << SYSCON_SYSPLLCTRL_PSEL_POS)
| (LPC_SYSPLL_MSEL_VAL << SYSCON_SYSPLLCTRL_MSEL_POS);