michaelh/zephyr
1
0
Fork 0
Code Releases Activity

soc: lpc54xxx: Get CPU clock frequency from DTS

Browse source 
The SoC initialization code used system clock frequency
as a CPU clock frequency. This commit corrects that by
obtaining the needed value from DTS.

Signed-off-by: Piotr Zięcik <piotr.ziecik@nordicsemi.no>
This commit is contained in:
Piotr Zięcik 2019-04-11 14:28:52 +02:00 • committed by Carles Cufí
commit 1161fdf239
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
soc/arm/nxp_lpc/lpc54xxx/soc.c
View file

@ -49,10 +49,10 @@ static ALWAYS_INLINE void clkInit(void)
CLOCK_AttachClk(kFRO12M_to_MAIN_CLK);
/* Set FLASH wait states for core */
CLOCK_SetFLASHAccessCyclesForFreq(CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC);
CLOCK_SetFLASHAccessCyclesForFreq(DT_ARM_CORTEX_M4F_0_CLOCK_FREQUENCY);
/* Set up high frequency FRO output to selected frequency */
CLOCK_SetupFROClocking(CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC);
CLOCK_SetupFROClocking(DT_ARM_CORTEX_M4F_0_CLOCK_FREQUENCY);
/* Set up dividers */
/* Set AHBCLKDIV divider to value 1 */