nuttx/nuttx-mirror
1
2
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2025-01-13 01:38:36 +08:00
Code Issues Projects Releases Packages Wiki Activity Actions

imx9: add config for waking WFI at systick

Browse source
This commit is contained in:
Andre Heinemans 2024-12-18 09:06:50 +01:00 committed by Xiang Xiao
parent c7ccc0f9ec
commit 01e05c2660
2 changed files with 10 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
arch/arm/src/imx9/Kconfig
View file

@ -46,6 +46,13 @@ config IMX9_IOMUX_OVER_SCMI
endif endif
config IMX9_WFI_AWAKES_AT_SYSTICK
bool "WFI awakes at systick interrupts"
default y
---help---
Configure the GPC to wake up from systick interrupts at WFI
instruction
menu "i.MX9 Peripheral Selection" menu "i.MX9 Peripheral Selection"
config IMX9_EDMA config IMX9_EDMA

3
arch/arm/src/imx9/imx9_clockconfig.c
View file

@ -78,6 +78,8 @@
void imx9_clockconfig(void) void imx9_clockconfig(void)
{ {
#ifdef CONFIG_IMX9_WFI_AWAKES_AT_SYSTICK
/* Keep the system clock running so SYSTICK can wake up the system from /* Keep the system clock running so SYSTICK can wake up the system from
* wfi. * wfi.
*/ */
@ -90,6 +92,7 @@ void imx9_clockconfig(void)
modifyreg32(IMX9_GPC_CTRL_CMC_MISC(IMX9_GPC_CTRL_CM7_BASE), modifyreg32(IMX9_GPC_CTRL_CMC_MISC(IMX9_GPC_CTRL_CM7_BASE),
IMX9_GPC_CTRL_CMC_MISC_SLEEP_HOLD_EN_FLAG, 0); IMX9_GPC_CTRL_CMC_MISC_SLEEP_HOLD_EN_FLAG, 0);
#endif
/* Cortex-M33 with SM does PLL initalization */ /* Cortex-M33 with SM does PLL initalization */
} }