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intel_adsp: timer: implemented sys_clock_idle_exit function

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Generic header for system clock allows to define a sys_clock_idle_exit
function for the clock implementation.
Implemented the function in the intel_adsp_timer to reinitialize
device driver after the idle exit state.

Signed-off-by: Andrey Borisovich <andrey.borisovich@intel.com>
This commit is contained in:
Andrey Borisovich 2023-06-02 13:25:12 +02:00 • committed by Anas Nashif
commit 7595cafb02
2 changed files with 11 additions and 0 deletions
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9
drivers/timer/intel_adsp_timer.c
View file

@ -225,5 +225,14 @@ static int sys_clock_driver_init(void)
return 0;
}
#ifdef CONFIG_PM
void sys_clock_idle_exit(void)
{
sys_clock_driver_init();
}
#endif
SYS_INIT(sys_clock_driver_init, PRE_KERNEL_2,
CONFIG_SYSTEM_CLOCK_INIT_PRIORITY);

2
soc/xtensa/intel_adsp/ace/power.c
View file

@ -16,6 +16,7 @@
#include <adsp_memory.h>
#include <adsp_imr_layout.h>
#include <zephyr/drivers/mm/mm_drv_intel_adsp_mtl_tlb.h>
#include <zephyr/drivers/timer/system_timer.h>
#define LPSRAM_MAGIC_VALUE 0x13579BDF
#define LPSCTL_BATTR_MASK GENMASK(16, 12)
@ -317,6 +318,7 @@ __weak void pm_state_exit_post_ops(enum pm_state state, uint8_t substate_id)
imr_layout->imr_state.header.adsp_imr_magic = 0;
imr_layout->imr_state.header.imr_restore_vector = NULL;
imr_layout->imr_state.header.imr_ram_storage = NULL;
sys_clock_idle_exit();
}
#endif /* CONFIG_ADSP_IMR_CONTEXT_SAVE */
soc_cpus_active[cpu] = true;