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soc: intel_adsp: call framework callback function for restore

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When exiting power gated state, call the CPU start function
passed to arch_start_cpu().

Signed-off-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Rander Wang 2023-11-17 15:45:36 +08:00 • committed by Anas Nashif
commit 6a0b1da158
3 changed files with 17 additions and 0 deletions
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6
soc/xtensa/intel_adsp/ace/power.c
View file

@ -150,6 +150,7 @@ static ALWAYS_INLINE void _restore_core_context(void)
}
void dsp_restore_vector(void);
void mp_resume_entry(void);
void power_gate_entry(uint32_t core_id)
{
@ -180,6 +181,11 @@ void power_gate_exit(void)
cpu_early_init();
sys_cache_data_flush_and_invd_all();
_restore_core_context();
/* Secondary core is resumed by set_dx */
if (arch_proc_id()) {
mp_resume_entry();
}
}
__asm__(".align 4\n\t"

6
soc/xtensa/intel_adsp/cavs/power.c
View file

@ -52,6 +52,7 @@ LOG_MODULE_REGISTER(soc);
* @biref FW entry point called by ROM during normal boot flow
*/
extern void rom_entry(void);
void mp_resume_entry(void);
struct core_state {
uint32_t a0;
@ -104,6 +105,11 @@ void power_gate_exit(void)
cpu_early_init();
sys_cache_data_flush_and_invd_all();
_restore_core_context();
/* Secondary core is resumed by set_dx */
if (arch_proc_id()) {
mp_resume_entry();
}
}
__asm__(".align 4\n\t"

5
soc/xtensa/intel_adsp/common/multiprocessing.c
View file

@ -110,6 +110,11 @@ __imr void z_mp_entry(void)
__ASSERT(false, "arch_start_cpu() handler should never return");
}
void mp_resume_entry(void)
{
start_rec.fn(start_rec.arg);
}
bool arch_cpu_active(int cpu_num)
{
return soc_cpus_active[cpu_num];