* Function & Data prototypes
******************************************************************************/
unsigned int psci_version(void);
-int __psci_cpu_suspend(unsigned int, unsigned long, unsigned long);
-int __psci_cpu_off(void);
int psci_affinity_info(unsigned long, unsigned int);
int psci_migrate(unsigned int);
unsigned int psci_migrate_info_type(void);
******************************************************************************/
static int psci_afflvl0_off(aff_map_node_t *cpu_node)
{
- unsigned int plat_state;
int rc;
assert(cpu_node->level == MPIDR_AFFLVL0);
*/
psci_do_pwrdown_cache_maintenance(MPIDR_AFFLVL0);
+ if (!psci_plat_pm_ops->affinst_off)
+ return PSCI_E_SUCCESS;
+
/*
* Plat. management: Perform platform specific actions to turn this
* cpu off e.g. exit cpu coherency, program the power controller etc.
*/
- rc = PSCI_E_SUCCESS;
- if (psci_plat_pm_ops->affinst_off) {
-
- /* Get the current physical state of this cpu */
- plat_state = psci_get_phys_state(cpu_node);
- rc = psci_plat_pm_ops->affinst_off(read_mpidr_el1(),
- cpu_node->level,
- plat_state);
- }
-
- return rc;
+ return psci_plat_pm_ops->affinst_off(read_mpidr_el1(),
+ cpu_node->level,
+ psci_get_phys_state(cpu_node));
}
static int psci_afflvl1_off(aff_map_node_t *cluster_node)
{
- int rc = PSCI_E_SUCCESS;
- unsigned int plat_state;
-
/* Sanity check the cluster level */
assert(cluster_node->level == MPIDR_AFFLVL1);
- /*
- * Keep the physical state of this cluster handy to decide
- * what action needs to be taken
- */
- plat_state = psci_get_phys_state(cluster_node);
-
/*
* Arch. Management. Flush all levels of caches to PoC if
* the cluster is to be shutdown.
*/
psci_do_pwrdown_cache_maintenance(MPIDR_AFFLVL1);
+ if (!psci_plat_pm_ops->affinst_off)
+ return PSCI_E_SUCCESS;
+
/*
* Plat. Management. Allow the platform to do its cluster
* specific bookeeping e.g. turn off interconnect coherency,
* program the power controller etc.
*/
- if (psci_plat_pm_ops->affinst_off)
- rc = psci_plat_pm_ops->affinst_off(read_mpidr_el1(),
- cluster_node->level,
- plat_state);
-
- return rc;
+ return psci_plat_pm_ops->affinst_off(read_mpidr_el1(),
+ cluster_node->level,
+ psci_get_phys_state(cluster_node));
}
static int psci_afflvl2_off(aff_map_node_t *system_node)
{
- int rc = PSCI_E_SUCCESS;
- unsigned int plat_state;
-
/* Cannot go beyond this level */
assert(system_node->level == MPIDR_AFFLVL2);
* Keep the physical state of the system handy to decide what
* action needs to be taken
*/
- plat_state = psci_get_phys_state(system_node);
/*
* Arch. Management. Flush all levels of caches to PoC if
*/
psci_do_pwrdown_cache_maintenance(MPIDR_AFFLVL2);
+ if (!psci_plat_pm_ops->affinst_off)
+ return PSCI_E_SUCCESS;
+
/*
* Plat. Management : Allow the platform to do its bookeeping
* at this affinity level
*/
- if (psci_plat_pm_ops->affinst_off)
- rc = psci_plat_pm_ops->affinst_off(read_mpidr_el1(),
- system_node->level,
- plat_state);
- return rc;
+ return psci_plat_pm_ops->affinst_off(read_mpidr_el1(),
+ system_node->level,
+ psci_get_phys_state(system_node));
}
static const afflvl_off_handler_t psci_afflvl_off_handlers[] = {
* topology tree and calls the off handler for the corresponding affinity
* levels
******************************************************************************/
-static int psci_call_off_handlers(mpidr_aff_map_nodes_t mpidr_nodes,
+static int psci_call_off_handlers(aff_map_node_t *mpidr_nodes[],
int start_afflvl,
int end_afflvl)
{
unsigned long ns_entrypoint,
unsigned long context_id)
{
- unsigned int plat_state;
unsigned long psci_entrypoint;
uint32_t ns_scr_el3 = read_scr_el3();
uint32_t ns_sctlr_el1 = read_sctlr_el1();
/* Set the secure world (EL3) re-entry point after BL1 */
psci_entrypoint = (unsigned long) psci_aff_on_finish_entry;
+ if (!psci_plat_pm_ops->affinst_on)
+ return PSCI_E_SUCCESS;
+
/*
* Plat. management: Give the platform the current state
* of the target cpu to allow it to perform the necessary
* steps to power on.
*/
- if (psci_plat_pm_ops->affinst_on) {
-
- /* Get the current physical state of this cpu */
- plat_state = psci_get_phys_state(cpu_node);
- rc = psci_plat_pm_ops->affinst_on(target_cpu,
- psci_entrypoint,
- ns_entrypoint,
- cpu_node->level,
- plat_state);
- }
-
- return rc;
+ return psci_plat_pm_ops->affinst_on(target_cpu,
+ psci_entrypoint,
+ ns_entrypoint,
+ cpu_node->level,
+ psci_get_phys_state(cpu_node));
}
/*******************************************************************************
unsigned long ns_entrypoint,
unsigned long context_id)
{
- int rc = PSCI_E_SUCCESS;
- unsigned int plat_state;
unsigned long psci_entrypoint;
assert(cluster_node->level == MPIDR_AFFLVL1);
/* State management: Is not required while turning a cluster on */
+ if (!psci_plat_pm_ops->affinst_on)
+ return PSCI_E_SUCCESS;
+
/*
* Plat. management: Give the platform the current state
* of the target cpu to allow it to perform the necessary
* steps to power on.
*/
- if (psci_plat_pm_ops->affinst_on) {
- plat_state = psci_get_phys_state(cluster_node);
- psci_entrypoint = (unsigned long) psci_aff_on_finish_entry;
- rc = psci_plat_pm_ops->affinst_on(target_cpu,
- psci_entrypoint,
- ns_entrypoint,
- cluster_node->level,
- plat_state);
- }
-
- return rc;
+ psci_entrypoint = (unsigned long) psci_aff_on_finish_entry;
+ return psci_plat_pm_ops->affinst_on(target_cpu,
+ psci_entrypoint,
+ ns_entrypoint,
+ cluster_node->level,
+ psci_get_phys_state(cluster_node));
}
/*******************************************************************************
unsigned long ns_entrypoint,
unsigned long context_id)
{
- int rc = PSCI_E_SUCCESS;
- unsigned int plat_state;
unsigned long psci_entrypoint;
/* Cannot go beyond affinity level 2 in this psci imp. */
/* State management: Is not required while turning a system on */
+ if (!psci_plat_pm_ops->affinst_on)
+ return PSCI_E_SUCCESS;
+
/*
* Plat. management: Give the platform the current state
* of the target cpu to allow it to perform the necessary
* steps to power on.
*/
- if (psci_plat_pm_ops->affinst_on) {
- plat_state = psci_get_phys_state(system_node);
- psci_entrypoint = (unsigned long) psci_aff_on_finish_entry;
- rc = psci_plat_pm_ops->affinst_on(target_cpu,
- psci_entrypoint,
- ns_entrypoint,
- system_node->level,
- plat_state);
- }
-
- return rc;
+ psci_entrypoint = (unsigned long) psci_aff_on_finish_entry;
+ return psci_plat_pm_ops->affinst_on(target_cpu,
+ psci_entrypoint,
+ ns_entrypoint,
+ system_node->level,
+ psci_get_phys_state(system_node));
}
/* Private data structure to make this handlers accessible through indexing */
* topology tree and calls the on handler for the corresponding affinity
* levels
******************************************************************************/
-static int psci_call_on_handlers(mpidr_aff_map_nodes_t target_cpu_nodes,
+static int psci_call_on_handlers(aff_map_node_t *target_cpu_nodes[],
int start_afflvl,
int end_afflvl,
unsigned long target_cpu,
static unsigned int psci_afflvl1_on_finish(aff_map_node_t *cluster_node)
{
- unsigned int plat_state, rc = PSCI_E_SUCCESS;
+ unsigned int plat_state;
assert(cluster_node->level == MPIDR_AFFLVL1);
+ if (!psci_plat_pm_ops->affinst_on_finish)
+ return PSCI_E_SUCCESS;
+
/*
* Plat. management: Perform the platform specific actions
* as per the old state of the cluster e.g. enabling
* then assert as there is no way to recover from this
* situation.
*/
- if (psci_plat_pm_ops->affinst_on_finish) {
-
- /* Get the physical state of this cluster */
- plat_state = psci_get_phys_state(cluster_node);
- rc = psci_plat_pm_ops->affinst_on_finish(read_mpidr_el1(),
- cluster_node->level,
- plat_state);
- assert(rc == PSCI_E_SUCCESS);
- }
-
- return rc;
+ plat_state = psci_get_phys_state(cluster_node);
+ return psci_plat_pm_ops->affinst_on_finish(read_mpidr_el1(),
+ cluster_node->level,
+ plat_state);
}
static unsigned int psci_afflvl2_on_finish(aff_map_node_t *system_node)
{
- unsigned int plat_state, rc = PSCI_E_SUCCESS;
+ unsigned int plat_state;
/* Cannot go beyond this affinity level */
assert(system_node->level == MPIDR_AFFLVL2);
+ if (!psci_plat_pm_ops->affinst_on_finish)
+ return PSCI_E_SUCCESS;
+
/*
* Currently, there are no architectural actions to perform
* at the system level.
* then assert as there is no way to recover from this
* situation.
*/
- if (psci_plat_pm_ops->affinst_on_finish) {
-
- /* Get the physical state of the system */
- plat_state = psci_get_phys_state(system_node);
- rc = psci_plat_pm_ops->affinst_on_finish(read_mpidr_el1(),
- system_node->level,
- plat_state);
- assert(rc == PSCI_E_SUCCESS);
- }
-
- return rc;
+ plat_state = psci_get_phys_state(system_node);
+ return psci_plat_pm_ops->affinst_on_finish(read_mpidr_el1(),
+ system_node->level,
+ plat_state);
}
const afflvl_power_on_finisher_t psci_afflvl_on_finishers[] = {
unsigned long context_id,
unsigned int power_state)
{
- unsigned int plat_state;
unsigned long psci_entrypoint;
uint32_t ns_scr_el3 = read_scr_el3();
uint32_t ns_sctlr_el1 = read_sctlr_el1();
*/
psci_do_pwrdown_cache_maintenance(MPIDR_AFFLVL0);
+ if (!psci_plat_pm_ops->affinst_suspend)
+ return PSCI_E_SUCCESS;
+
/*
* Plat. management: Allow the platform to perform the
* necessary actions to turn off this cpu e.g. set the
* platform defined mailbox with the psci entrypoint,
* program the power controller etc.
*/
- rc = PSCI_E_SUCCESS;
-
- if (psci_plat_pm_ops->affinst_suspend) {
- plat_state = psci_get_phys_state(cpu_node);
- rc = psci_plat_pm_ops->affinst_suspend(read_mpidr_el1(),
- psci_entrypoint,
- ns_entrypoint,
- cpu_node->level,
- plat_state);
- }
-
- return rc;
+ return psci_plat_pm_ops->affinst_suspend(read_mpidr_el1(),
+ psci_entrypoint,
+ ns_entrypoint,
+ cpu_node->level,
+ psci_get_phys_state(cpu_node));
}
static int psci_afflvl1_suspend(aff_map_node_t *cluster_node,
unsigned long context_id,
unsigned int power_state)
{
- int rc = PSCI_E_SUCCESS;
unsigned int plat_state;
unsigned long psci_entrypoint;
/* Sanity check the cluster level */
assert(cluster_node->level == MPIDR_AFFLVL1);
- /*
- * Keep the physical state of this cluster handy to decide
- * what action needs to be taken
- */
- plat_state = psci_get_phys_state(cluster_node);
-
/*
* Arch. management: Flush all levels of caches to PoC if the
* cluster is to be shutdown.
*/
psci_do_pwrdown_cache_maintenance(MPIDR_AFFLVL1);
+ if (!psci_plat_pm_ops->affinst_suspend)
+ return PSCI_E_SUCCESS;
+
/*
- * Plat. Management. Allow the platform to do its cluster
- * specific bookeeping e.g. turn off interconnect coherency,
- * program the power controller etc.
+ * Plat. Management. Allow the platform to do its cluster specific
+ * bookeeping e.g. turn off interconnect coherency, program the power
+ * controller etc. Sending the psci entrypoint is currently redundant
+ * beyond affinity level 0 but one never knows what a platform might
+ * do. Also it allows us to keep the platform handler prototype the
+ * same.
*/
- if (psci_plat_pm_ops->affinst_suspend) {
-
- /*
- * Sending the psci entrypoint is currently redundant
- * beyond affinity level 0 but one never knows what a
- * platform might do. Also it allows us to keep the
- * platform handler prototype the same.
- */
- psci_entrypoint = (unsigned long) psci_aff_suspend_finish_entry;
- rc = psci_plat_pm_ops->affinst_suspend(read_mpidr_el1(),
- psci_entrypoint,
- ns_entrypoint,
- cluster_node->level,
- plat_state);
- }
-
- return rc;
+ plat_state = psci_get_phys_state(cluster_node);
+ psci_entrypoint = (unsigned long) psci_aff_suspend_finish_entry;
+ return psci_plat_pm_ops->affinst_suspend(read_mpidr_el1(),
+ psci_entrypoint,
+ ns_entrypoint,
+ cluster_node->level,
+ plat_state);
}
unsigned long context_id,
unsigned int power_state)
{
- int rc = PSCI_E_SUCCESS;
unsigned int plat_state;
unsigned long psci_entrypoint;
* Plat. Management : Allow the platform to do its bookeeping
* at this affinity level
*/
- if (psci_plat_pm_ops->affinst_suspend) {
-
- /*
- * Sending the psci entrypoint is currently redundant
- * beyond affinity level 0 but one never knows what a
- * platform might do. Also it allows us to keep the
- * platform handler prototype the same.
- */
- psci_entrypoint = (unsigned long) psci_aff_suspend_finish_entry;
- rc = psci_plat_pm_ops->affinst_suspend(read_mpidr_el1(),
- psci_entrypoint,
- ns_entrypoint,
- system_node->level,
- plat_state);
- }
+ if (!psci_plat_pm_ops->affinst_suspend)
+ return PSCI_E_SUCCESS;
- return rc;
+ /*
+ * Sending the psci entrypoint is currently redundant
+ * beyond affinity level 0 but one never knows what a
+ * platform might do. Also it allows us to keep the
+ * platform handler prototype the same.
+ */
+ plat_state = psci_get_phys_state(system_node);
+ psci_entrypoint = (unsigned long) psci_aff_suspend_finish_entry;
+ return psci_plat_pm_ops->affinst_suspend(read_mpidr_el1(),
+ psci_entrypoint,
+ ns_entrypoint,
+ system_node->level,
+ plat_state);
}
static const afflvl_suspend_handler_t psci_afflvl_suspend_handlers[] = {
* topology tree and calls the suspend handler for the corresponding affinity
* levels
******************************************************************************/
-static int psci_call_suspend_handlers(mpidr_aff_map_nodes_t mpidr_nodes,
+static int psci_call_suspend_handlers(aff_map_node_t *mpidr_nodes[],
int start_afflvl,
int end_afflvl,
unsigned long entrypoint,
******************************************************************************/
uint32_t psci_find_max_phys_off_afflvl(uint32_t start_afflvl,
uint32_t end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes)
+ aff_map_node_t *mpidr_nodes[])
{
uint32_t max_afflvl = PSCI_INVALID_DATA;
******************************************************************************/
void psci_do_afflvl_state_mgmt(uint32_t start_afflvl,
uint32_t end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes,
+ aff_map_node_t *mpidr_nodes[],
uint32_t state)
{
uint32_t level;
******************************************************************************/
void psci_acquire_afflvl_locks(int start_afflvl,
int end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes)
+ aff_map_node_t *mpidr_nodes[])
{
int level;
******************************************************************************/
void psci_release_afflvl_locks(int start_afflvl,
int end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes)
+ aff_map_node_t *mpidr_nodes[])
{
int level;
* topology tree and calls the physical power on handler for the corresponding
* affinity levels
******************************************************************************/
-static int psci_call_power_on_handlers(mpidr_aff_map_nodes_t mpidr_nodes,
+static int psci_call_power_on_handlers(aff_map_node_t *mpidr_nodes[],
int start_afflvl,
int end_afflvl,
afflvl_power_on_finisher_t *pon_handlers)
.globl psci_aff_on_finish_entry
.globl psci_aff_suspend_finish_entry
- .globl __psci_cpu_off
- .globl __psci_cpu_suspend
.globl psci_power_down_wfi
/* -----------------------------------------------------
int psci_check_afflvl_range(int start_afflvl, int end_afflvl);
void psci_do_afflvl_state_mgmt(uint32_t start_afflvl,
uint32_t end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes,
+ aff_map_node_t *mpidr_nodes[],
uint32_t state);
void psci_acquire_afflvl_locks(int start_afflvl,
- int end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes);
+ int end_afflvl,
+ aff_map_node_t *mpidr_nodes[]);
void psci_release_afflvl_locks(int start_afflvl,
int end_afflvl,
mpidr_aff_map_nodes_t mpidr_nodes);
void psci_set_max_phys_off_afflvl(uint32_t afflvl);
uint32_t psci_find_max_phys_off_afflvl(uint32_t start_afflvl,
uint32_t end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes);
+ aff_map_node_t *mpidr_nodes[]);
/* Private exported functions from psci_setup.c */
int psci_get_aff_map_nodes(unsigned long mpidr,
int start_afflvl,
int end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes);
+ aff_map_node_t *mpidr_nodes[]);
aff_map_node_t *psci_get_aff_map_node(unsigned long, int);
/* Private exported functions from psci_affinity_on.c */
int psci_get_aff_map_nodes(unsigned long mpidr,
int start_afflvl,
int end_afflvl,
- mpidr_aff_map_nodes_t mpidr_nodes)
+ aff_map_node_t *mpidr_nodes[])
{
int rc = PSCI_E_INVALID_PARAMS, level;
aff_map_node_t *node;
projects / project / bcm63xx / atf.git / commitdiff