blob: c1a6d1a8d00e597ef1ec79705e196f35ef357c94 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
#include "clock_config.h"
#include "fsl_clock.h"
/*******************************************************************************
* Variables
******************************************************************************/
/* System clock frequency. */
// extern uint32_t SystemCoreClock;
/*******************************************************************************
* Variables for BOARD_BootClockRUN configuration
******************************************************************************/
const mcglite_config_t mcgliteConfig_BOARD_BootClockRUN = {
.outSrc = kMCGLITE_ClkSrcHirc, /* MCGOUTCLK source is HIRC */
.irclkEnableMode = kMCGLITE_IrclkEnable, /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
.ircs = kMCGLITE_Lirc8M, /* Slow internal reference (LIRC) 8 MHz clock selected */
.fcrdiv = kMCGLITE_LircDivBy1, /* Low-frequency Internal Reference Clock Divider: divided by 1 */
.lircDiv2 = kMCGLITE_LircDivBy1, /* Second Low-frequency Internal Reference Clock Divider: divided by 1 */
.hircEnableInNotHircMode = true, /* HIRC source is enabled */
};
const sim_clock_config_t simConfig_BOARD_BootClockRUN = {
.er32kSrc = SIM_OSC32KSEL_LPO_CLK, /* OSC32KSEL select: LPO clock */
.clkdiv1 = 0x10000U, /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV4: /2 */
};
/*******************************************************************************
* Code for BOARD_BootClockRUN configuration
******************************************************************************/
void BOARD_BootClockRUN(void)
{
/* Set the system clock dividers in SIM to safe value. */
CLOCK_SetSimSafeDivs();
/* Set MCG to HIRC mode. */
CLOCK_SetMcgliteConfig(&mcgliteConfig_BOARD_BootClockRUN);
/* Set the clock configuration in SIM module. */
CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN);
/* Set SystemCoreClock variable. */
SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
}
|
