struct mali_mmu_core *mali_mmu_create(_mali_osk_resource_t *resource, struct mali_group *group, mali_bool is_virtual)
{
struct mali_mmu_core* mmu = NULL;
MALI_DEBUG_ASSERT_POINTER(resource);
MALI_DEBUG_PRINT(2, ("Mali MMU: Creating Mali MMU: %s\n", resource->description));
mmu = _mali_osk_calloc(1,sizeof(struct mali_mmu_core));
if (NULL != mmu)
{
if (_MALI_OSK_ERR_OK == mali_hw_core_create(&mmu->hw_core, resource, MALI_MMU_REGISTERS_SIZE))
{
if (_MALI_OSK_ERR_OK == mali_group_add_mmu_core(group, mmu))
{
if (is_virtual)
{
/* Skip reset and IRQ setup for virtual MMU */
return mmu;
}
if (_MALI_OSK_ERR_OK == mali_mmu_reset(mmu))
{
/* Setup IRQ handlers (which will do IRQ probing if needed) */
mmu->irq = _mali_osk_irq_init(resource->irq,
mali_group_upper_half_mmu,
group,
mali_mmu_probe_trigger,
mali_mmu_probe_ack,
mmu,
"mali_mmu_irq_handlers");
if (NULL != mmu->irq)
{
return mmu;
}
else
{
MALI_PRINT_ERROR(("Mali MMU: Failed to setup interrupt handlers for MMU %s\n", mmu->hw_core.description));
}
}
mali_group_remove_mmu_core(group);
}
else
{
MALI_PRINT_ERROR(("Mali MMU: Failed to add core %s to group\n", mmu->hw_core.description));
}
mali_hw_core_delete(&mmu->hw_core);
}
_mali_osk_free(mmu);
}
else
{
MALI_PRINT_ERROR(("Failed to allocate memory for MMU\n"));
}
return NULL;
}
struct mali_mmu_core *mali_mmu_create(_mali_osk_resource_t *resource)
{
struct mali_mmu_core* mmu = NULL;
MALI_DEBUG_ASSERT_POINTER(resource);
MALI_DEBUG_PRINT(2, ("Mali MMU: Creating Mali MMU: %s\n", resource->description));
mmu = _mali_osk_calloc(1,sizeof(struct mali_mmu_core));
if (NULL != mmu)
{
#ifdef CONFIG_ARCH_MESON6
mmu->id = resource->mmu_id;
MALI_DEBUG_PRINT(3, ("Mali MMU: mmu_id: %d\n", resource->mmu_id));
#endif
if (_MALI_OSK_ERR_OK == mali_hw_core_create(&mmu->hw_core, resource, MALI_MMU_REGISTERS_SIZE))
{
if (_MALI_OSK_ERR_OK == mali_mmu_reset(mmu))
{
/* Setup IRQ handlers (which will do IRQ probing if needed) */
mmu->irq = _mali_osk_irq_init(resource->irq,
mali_mmu_upper_half,
mali_mmu_bottom_half,
mali_mmu_probe_trigger,
mali_mmu_probe_ack,
mmu,
"mali_mmu_irq_handlers");
if (NULL != mmu->irq)
{
return mmu;
}
else
{
MALI_PRINT_ERROR(("Failed to setup interrupt handlers for MMU %s\n", mmu->hw_core.description));
}
}
mali_hw_core_delete(&mmu->hw_core);
}
_mali_osk_free(mmu);
}
else
{
MALI_PRINT_ERROR(("Failed to allocate memory for MMU\n"));
}
return NULL;
}
static void mali_group_recovery_reset(struct mali_group *group)
{
MALI_ASSERT_GROUP_LOCKED(group);
/* Stop cores, bus stop */
if (NULL != group->pp_core)
{
mali_pp_stop_bus(group->pp_core);
}
if (NULL != group->gp_core)
{
mali_gp_stop_bus(group->gp_core);
}
/* Flush MMU */
mali_mmu_activate_fault_flush_page_directory(group->mmu);
mali_mmu_page_fault_done(group->mmu);
/* Wait for cores to stop bus */
if (NULL != group->pp_core)
{
mali_pp_stop_bus_wait(group->pp_core);
}
if (NULL != group->gp_core)
{
mali_gp_stop_bus_wait(group->gp_core);
}
/* Reset cores */
if (NULL != group->pp_core)
{
mali_pp_hard_reset(group->pp_core);
}
if (NULL != group->gp_core)
{
mali_gp_hard_reset(group->gp_core);
}
/* Reset MMU */
mali_mmu_reset(group->mmu);
group->session = NULL;
}
/* Called from mali_cluster_reset() when the system is re-turned on */
void mali_group_reset(struct mali_group *group)
{
mali_group_lock(group);
group->session = NULL;
if (NULL != group->mmu)
{
mali_mmu_reset(group->mmu);
}
if (NULL != group->gp_core)
{
mali_gp_reset(group->gp_core);
}
if (NULL != group->pp_core)
{
mali_pp_reset(group->pp_core);
}
mali_group_unlock(group);
}