static u32 subsystem_mali200_irq_handler_upper_half(mali_core_renderunit * core) { u32 irq_readout; if (mali_benchmark) { return (core->current_job ? 1 : 0); /* simulate irq is pending when a job is pending */ } MALI_DEBUG_PRINT(5, ("Mali PP: subsystem_mali200_irq_handler_upper_half: %s\n", core->description)) ; irq_readout = mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_INT_STATUS); if ( MALI200_REG_VAL_IRQ_MASK_NONE != irq_readout ) { /* Mask out all IRQs from this core until IRQ is handled */ mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_MASK, MALI200_REG_VAL_IRQ_MASK_NONE); return 1; } return 0; }
static u32 subsystem_mali200_irq_handler_upper_half(mali_core_renderunit * core) { u32 irq_readout; if (mali_benchmark) { return (core->current_job ? 1 : 0); /* simulate irq is pending when a job is pending */ } irq_readout = mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_INT_STATUS); if ( MALI200_REG_VAL_IRQ_MASK_NONE != irq_readout ) { /* Mask out all IRQs from this core until IRQ is handled */ mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_MASK, MALI200_REG_VAL_IRQ_MASK_NONE); #if MALI_TIMELINE_PROFILING_ENABLED _mali_profiling_add_event(MALI_PROFILING_EVENT_TYPE_SINGLE|MALI_PROFILING_MAKE_EVENT_CHANNEL_PP(core->core_number)|MALI_PROFILING_EVENT_REASON_SINGLE_HW_INTERRUPT, irq_readout, 0, 0, 0, 0); #endif return 1; } return 0; }
static int subsystem_mali200_irq_handler_bottom_half(struct mali_core_renderunit* core) { u32 irq_readout; u32 current_tile_addr; u32 core_status; mali_core_job * job; mali200_job * job200; job = core->current_job; job200 = GET_JOB200_PTR(job); if (mali_benchmark) { irq_readout = MALI200_REG_VAL_IRQ_END_OF_FRAME; current_tile_addr = 0; core_status = 0; } else { irq_readout = mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_INT_RAWSTAT) & MALI200_REG_VAL_IRQ_MASK_USED; current_tile_addr = mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_CURRENT_REND_LIST_ADDR); core_status = mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_STATUS); } if (NULL == job) { MALI_DEBUG_ASSERT(CORE_IDLE==core->state); if ( 0 != irq_readout ) { MALI_PRINT_ERROR(("Interrupt from a core not running a job. IRQ: 0x%04x Status: 0x%04x", irq_readout, core_status)); } return JOB_STATUS_END_UNKNOWN_ERR; } MALI_DEBUG_ASSERT(CORE_IDLE!=core->state); job200->irq_status |= irq_readout; MALI_DEBUG_PRINT_IF( 3, ( 0 != irq_readout ), ("Mali PP: Job: 0x%08x IRQ RECEIVED Rawstat: 0x%x Tile_addr: 0x%x Status: 0x%x\n", (u32)job200->user_input.user_job_ptr, irq_readout ,current_tile_addr ,core_status)); if ( MALI200_REG_VAL_IRQ_END_OF_FRAME & irq_readout) { #if defined(USING_MALI200) mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_CTRL_MGMT, MALI200_REG_VAL_CTRL_MGMT_FLUSH_CACHES); #endif if (0 != job200->user_input.perf_counter_flag ) { if (job200->user_input.perf_counter_flag & (_MALI_PERFORMANCE_COUNTER_FLAG_SRC0_ENABLE|_MALI_PERFORMANCE_COUNTER_FLAG_SRC1_ENABLE) ) { job200->perf_counter0 = mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_PERF_CNT_0_VALUE); job200->perf_counter1 = mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_PERF_CNT_1_VALUE); } #if defined(USING_MALI400_L2_CACHE) if (job200->user_input.perf_counter_flag & (_MALI_PERFORMANCE_COUNTER_FLAG_L2_SRC0_ENABLE|_MALI_PERFORMANCE_COUNTER_FLAG_L2_SRC1_ENABLE) ) { u32 src0; u32 val0; u32 src1; u32 val1; mali_kernel_l2_cache_get_perf_counters(&src0, &val0, &src1, &val1); if (job200->perf_counter_l2_src0 == src0) { job200->perf_counter_l2_val0_raw = val0; job200->perf_counter_l2_val0 = val0 - job200->perf_counter_l2_val0; } else { job200->perf_counter_l2_val0_raw = 0; job200->perf_counter_l2_val0 = 0; } if (job200->perf_counter_l2_src1 == src1) { job200->perf_counter_l2_val1_raw = val1; job200->perf_counter_l2_val1 = val1 - job200->perf_counter_l2_val1; } else { job200->perf_counter_l2_val1_raw = 0; job200->perf_counter_l2_val1 = 0; } } #endif } #if MALI_TIMELINE_PROFILING_ENABLED _mali_profiling_add_event(MALI_PROFILING_EVENT_TYPE_STOP|MALI_PROFILING_MAKE_EVENT_CHANNEL_PP(core->core_number), job200->perf_counter0, job200->perf_counter1, job200->user_input.perf_counter_src0 | (job200->user_input.perf_counter_src1 << 8) #if defined(USING_MALI400_L2_CACHE) | (job200->user_input.perf_counter_l2_src0 << 16) | (job200->user_input.perf_counter_l2_src1 << 24), job200->perf_counter_l2_val0_raw, job200->perf_counter_l2_val1_raw #else , 0, 0 #endif ); #endif #if MALI_STATE_TRACKING _mali_osk_atomic_inc(&job->session->jobs_ended); #endif return JOB_STATUS_END_SUCCESS; /* reschedule */ } /* Overall SW watchdog timeout or (time to do hang checking and progress detected)? */ else if ( (CORE_WATCHDOG_TIMEOUT == core->state) || ((CORE_HANG_CHECK_TIMEOUT == core->state) && (current_tile_addr == job200->last_tile_list_addr)) ) { #if MALI_TIMELINE_PROFILING_ENABLED _mali_profiling_add_event(MALI_PROFILING_EVENT_TYPE_STOP|MALI_PROFILING_MAKE_EVENT_CHANNEL_PP(core->core_number), 0, 0, 0, 0, 0); /* add GP and L2 counters and return status */ #endif /* no progress detected, killed by the watchdog */ MALI_DEBUG_PRINT(2, ("M200: SW-Timeout Rawstat: 0x%x Tile_addr: 0x%x Status: 0x%x.\n", irq_readout ,current_tile_addr ,core_status) ); /* In this case will the system outside cleanup and reset the core */ #if MALI_STATE_TRACKING _mali_osk_atomic_inc(&job->session->jobs_ended); #endif return JOB_STATUS_END_HANG; } /* HW watchdog triggered or an existing hang check passed? */ else if ((CORE_HANG_CHECK_TIMEOUT == core->state) || (irq_readout & job200->active_mask & MALI200_REG_VAL_IRQ_HANG)) { /* check interval in ms */ u32 timeout = mali_core_hang_check_timeout_get(); MALI_DEBUG_PRINT(3, ("M200: HW/SW Watchdog triggered, checking for progress in %d ms\n", timeout)); job200->last_tile_list_addr = current_tile_addr; /* hw watchdog triggered, set up a progress checker every HANGCHECK ms */ _mali_osk_timer_add(core->timer_hang_detection, _mali_osk_time_mstoticks(timeout)); job200->active_mask &= ~MALI200_REG_VAL_IRQ_HANG; /* ignore the hw watchdoig from now on */ mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_CLEAR, irq_readout & ~MALI200_REG_VAL_IRQ_HANG); mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_MASK, job200->active_mask); return JOB_STATUS_CONTINUE_RUN; /* not finished */ } /* No irq pending, core still busy */ else if ((0 == (irq_readout & MALI200_REG_VAL_IRQ_MASK_USED)) && ( 0 != (core_status & MALI200_REG_VAL_STATUS_RENDERING_ACTIVE))) { mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_CLEAR, irq_readout); mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_MASK, job200->active_mask); return JOB_STATUS_CONTINUE_RUN; /* Not finished */ } else { #if MALI_TIMELINE_PROFILING_ENABLED _mali_profiling_add_event(MALI_PROFILING_EVENT_TYPE_STOP|MALI_PROFILING_MAKE_EVENT_CHANNEL_PP(core->core_number), 0, 0, 0, 0, 0); /* add GP and L2 counters and return status */ #endif MALI_DEBUG_PRINT(1, ("Mali PP: Job: 0x%08x CRASH? Rawstat: 0x%x Tile_addr: 0x%x Status: 0x%x\n", (u32)job200->user_input.user_job_ptr, irq_readout ,current_tile_addr ,core_status) ) ; if (irq_readout & MALI200_REG_VAL_IRQ_BUS_ERROR) { u32 bus_error = mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_BUS_ERROR_STATUS); MALI_DEBUG_PRINT(1, ("Bus error status: 0x%08X\n", bus_error)); MALI_DEBUG_PRINT_IF(1, (bus_error & 0x01), ("Bus write error from id 0x%02x\n", (bus_error>>2) & 0x0F)); MALI_DEBUG_PRINT_IF(1, (bus_error & 0x02), ("Bus read error from id 0x%02x\n", (bus_error>>6) & 0x0F)); MALI_DEBUG_PRINT_IF(1, (0 == (bus_error & 0x03)), ("Bus error but neither read or write was set as the error reason\n")); (void)bus_error; } #if MALI_STATE_TRACKING _mali_osk_atomic_inc(&job->session->jobs_ended); #endif return JOB_STATUS_END_UNKNOWN_ERR; /* reschedule */ }
static void mali200_raw_reset( mali_core_renderunit *core ) { int i; const int request_loop_count = 20; MALI_DEBUG_PRINT(4, ("Mali PP: mali200_raw_reset: %s\n", core->description)); if (mali_benchmark) return; mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_MASK, 0); /* disable IRQs */ #if defined(USING_MALI200) mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_CTRL_MGMT, MALI200_REG_VAL_CTRL_MGMT_STOP_BUS); for (i = 0; i < request_loop_count; i++) { if (mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_STATUS) & MALI200_REG_VAL_STATUS_BUS_STOPPED) break; _mali_osk_time_ubusydelay(10); } MALI_DEBUG_PRINT_IF(1, request_loop_count == i, ("Mali PP: Bus was never stopped during core reset\n")); if (request_loop_count==i) { #if USING_MMU if ((NULL!=core->mmu) && (MALI_FALSE == core->error_recovery)) { /* Could not stop bus connections from core, probably because some of the already pending bus request has had a page fault, and therefore can not complete before the MMU does PageFault handling. This can be treated as a heavier reset function - which unfortunately reset all the cores on this MMU in addition to the MMU itself */ MALI_DEBUG_PRINT(1, ("Mali PP: Forcing Bus reset\n")); mali_kernel_mmu_force_bus_reset(core->mmu); return; } #endif MALI_PRINT(("A MMU reset did not allow PP to stop its bus, system failure, unable to recover\n")); return; } /* use the hard reset routine to do the actual reset */ mali200_reset_hard(core); #elif defined(USING_MALI400) mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_CLEAR, MALI400PP_REG_VAL_IRQ_RESET_COMPLETED); mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_CTRL_MGMT, MALI400PP_REG_VAL_CTRL_MGMT_SOFT_RESET); for (i = 0; i < request_loop_count; i++) { if (mali_core_renderunit_register_read(core, MALI200_REG_ADDR_MGMT_INT_RAWSTAT) & MALI400PP_REG_VAL_IRQ_RESET_COMPLETED) break; _mali_osk_time_ubusydelay(10); } if (request_loop_count==i) { #if USING_MMU if ((NULL!=core->mmu) && (MALI_FALSE == core->error_recovery)) { /* Could not stop bus connections from core, probably because some of the already pending bus request has had a page fault, and therefore can not complete before the MMU does PageFault handling. This can be treated as a heavier reset function - which unfortunately reset all the cores on this MMU in addition to the MMU itself */ MALI_DEBUG_PRINT(1, ("Mali PP: Forcing Bus reset\n")); mali_kernel_mmu_force_bus_reset(core->mmu); return; } #endif MALI_PRINT(("A MMU reset did not allow PP to stop its bus, system failure, unable to recover\n")); return; } else mali_core_renderunit_register_write(core, MALI200_REG_ADDR_MGMT_INT_CLEAR, MALI200_REG_VAL_IRQ_MASK_ALL); #else #error "no supported mali core defined" #endif }
static _mali_osk_errcode_t mali200_renderunit_create(_mali_osk_resource_t * resource) { mali_core_renderunit *core; _mali_osk_errcode_t err; MALI_DEBUG_PRINT(3, ("Mali PP: mali200_renderunit_create\n") ) ; /* Checking that the resource settings are correct */ #if defined(USING_MALI200) if(MALI200 != resource->type) { MALI_PRINT_ERROR(("Can not register this resource as a " MALI_PP_SUBSYSTEM_NAME " core.")); MALI_ERROR(_MALI_OSK_ERR_FAULT); } #elif defined(USING_MALI400) if(MALI400PP != resource->type) { MALI_PRINT_ERROR(("Can not register this resource as a " MALI_PP_SUBSYSTEM_NAME " core.")); MALI_ERROR(_MALI_OSK_ERR_FAULT); } #endif if ( 0 != resource->size ) { MALI_PRINT_ERROR(("Memory size set to " MALI_PP_SUBSYSTEM_NAME " core should be zero.")); MALI_ERROR(_MALI_OSK_ERR_FAULT); } if ( NULL == resource->description ) { MALI_PRINT_ERROR(("A " MALI_PP_SUBSYSTEM_NAME " core needs a unique description field")); MALI_ERROR(_MALI_OSK_ERR_FAULT); } /* Create a new core object */ core = (mali_core_renderunit*) _mali_osk_malloc(sizeof(*core)); if ( NULL == core ) { MALI_ERROR(_MALI_OSK_ERR_NOMEM); } /* Variables set to be able to open and register the core */ core->subsystem = &subsystem_mali200 ; core->registers_base_addr = resource->base ; core->size = MALI200_REG_SIZEOF_REGISTER_BANK ; core->irq_nr = resource->irq ; core->description = resource->description; #if USING_MMU core->mmu_id = resource->mmu_id; core->mmu = NULL; #endif #if USING_MALI_PMM /* Set up core's PMM id */ switch( subsystem_mali200.number_of_cores ) { case 0: core->pmm_id = MALI_PMM_CORE_PP0; break; case 1: core->pmm_id = MALI_PMM_CORE_PP1; break; case 2: core->pmm_id = MALI_PMM_CORE_PP2; break; case 3: core->pmm_id = MALI_PMM_CORE_PP3; break; default: MALI_DEBUG_PRINT(1, ("Unknown supported core for PMM\n")); err = _MALI_OSK_ERR_FAULT; goto exit_on_error0; } #endif err = mali_core_renderunit_init( core ); if (_MALI_OSK_ERR_OK != err) { MALI_DEBUG_PRINT(1, ("Failed to initialize renderunit\n")); goto exit_on_error0; } /* Map the new core object, setting: core->registers_mapped */ err = mali_core_renderunit_map_registers(core); if (_MALI_OSK_ERR_OK != err) { MALI_DEBUG_PRINT(1, ("Failed to map register\n")); goto exit_on_error1; } /* Check that the register mapping of the core works. Return 0 if Mali PP core is present and accessible. */ if (mali_benchmark) { #if defined(USING_MALI200) core->core_version = (((u32)MALI_PP_PRODUCT_ID) << 16) | 5 /* Fake Mali200-r0p5 */; #elif defined(USING_MALI400) core->core_version = (((u32)MALI_PP_PRODUCT_ID) << 16) | 0x0101 /* Fake Mali400-r1p1 */; #else #error "No supported mali core defined" #endif } else { core->core_version = mali_core_renderunit_register_read( core, MALI200_REG_ADDR_MGMT_VERSION); } err = mali200_core_version_legal(core); if (_MALI_OSK_ERR_OK != err) { MALI_DEBUG_PRINT(1, ("Invalid core\n")); goto exit_on_error2; } /* Reset the core. Put the core into a state where it can start to render. */ mali200_reset(core); /* Registering IRQ, init the work_queue_irq_handle */ /* Adding this core as an available renderunit in the subsystem. */ err = mali_core_subsystem_register_renderunit(&subsystem_mali200, core); if (_MALI_OSK_ERR_OK != err) { MALI_DEBUG_PRINT(1, ("Failed to register with core\n")); goto exit_on_error2; } MALI_DEBUG_PRINT(6, ("Mali PP: mali200_renderunit_create\n") ) ; MALI_SUCCESS; exit_on_error2: mali_core_renderunit_unmap_registers(core); exit_on_error1: mali_core_renderunit_term(core); exit_on_error0: _mali_osk_free( core ) ; MALI_PRINT_ERROR(("Renderunit NOT created.")); MALI_ERROR(err); }