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[Depends on 62522] zephyr: cavs: add secondary core context save support #8185

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Nov 9, 2023
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[Depends on 62522] zephyr: cavs: add secondary core context save support #8185

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7 changes: 7 additions & 0 deletions src/platform/intel/cavs/platform.c
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,10 @@ int platform_boot_complete(uint32_t boot_message)
return 0;
}

static struct pm_notifier pm_state_notifier = {
.state_exit = cpu_notify_state_exit,
};

/* Runs on the primary core only */
int platform_init(struct sof *sof)
{
Expand Down Expand Up @@ -150,6 +154,9 @@ int platform_init(struct sof *sof)
if (ret < 0)
return ret;

/* register power states exit notifiers */
pm_notifier_register(&pm_state_notifier);

/* initialize the host IPC mechanisms */
trace_point(TRACE_BOOT_PLATFORM_IPC);
ipc_init(sof);
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3 changes: 1 addition & 2 deletions zephyr/lib/cpu.c
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Expand Up @@ -148,8 +148,7 @@ int cpu_enable_core(int id)
* initialization. By reinitializing the idle thread, we would overwrite the kernel structs
* and the idle thread stack.
*/
if (!IS_ENABLED(CONFIG_ADSP_IMR_CONTEXT_SAVE) ||
pm_state_next_get(id)->state == PM_STATE_ACTIVE)
if (pm_state_next_get(id)->state == PM_STATE_ACTIVE)
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z_init_cpu(id);
#endif

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