Ejemplo n.º 1
0
/*******************************************************************************
 * PSCI frontend api for servicing SMCs. Described in the PSCI spec.
 ******************************************************************************/
int psci_cpu_on(unsigned long target_cpu,
		unsigned long entrypoint,
		unsigned long context_id)

{
	int rc;
	unsigned int start_afflvl, end_afflvl;

	/* Determine if the cpu exists of not */
	rc = psci_validate_mpidr(target_cpu, MPIDR_AFFLVL0);
	if (rc != PSCI_E_SUCCESS) {
		goto exit;
	}

	/*
	 * To turn this cpu on, specify which affinity
	 * levels need to be turned on
	 */
	start_afflvl = MPIDR_AFFLVL0;
	end_afflvl = get_max_afflvl();
	rc = psci_afflvl_on(target_cpu,
			    entrypoint,
			    context_id,
			    start_afflvl,
			    end_afflvl);

exit:
	return rc;
}
Ejemplo n.º 2
0
/*******************************************************************************
 * PSCI frontend api for servicing SMCs. Described in the PSCI spec.
 ******************************************************************************/
int psci_cpu_on(unsigned long target_cpu,
		unsigned long entrypoint,
		unsigned long context_id)

{
	int rc;
	unsigned int start_afflvl, target_afflvl;

	/* Determine if the cpu exists of not */
	rc = psci_validate_mpidr(target_cpu, MPIDR_AFFLVL0);
	if (rc != PSCI_E_SUCCESS) {
		goto exit;
	}

	start_afflvl = get_max_afflvl();
	target_afflvl = MPIDR_AFFLVL0;
	rc = psci_afflvl_on(target_cpu,
			    entrypoint,
			    context_id,
			    start_afflvl,
			    target_afflvl);

exit:
	return rc;
}