Lines Matching full:core
83 * struct k3_r5_core - K3 R5 core structure
86 * @rproc: rproc handle representing this core
123 * @core: cached pointer to r5 core structure being used
133 struct k3_r5_core *core; member
146 * and we let remoteproc core handle it.
202 static int k3_r5_split_reset(struct k3_r5_core *core) in k3_r5_split_reset() argument
206 ret = reset_control_assert(core->reset); in k3_r5_split_reset()
208 dev_err(core->dev, "local-reset assert failed, ret = %d\n", in k3_r5_split_reset()
213 ret = core->ti_sci->ops.dev_ops.put_device(core->ti_sci, in k3_r5_split_reset()
214 core->ti_sci_id); in k3_r5_split_reset()
216 dev_err(core->dev, "module-reset assert failed, ret = %d\n", in k3_r5_split_reset()
218 if (reset_control_deassert(core->reset)) in k3_r5_split_reset()
219 dev_warn(core->dev, "local-reset deassert back failed\n"); in k3_r5_split_reset()
225 static int k3_r5_split_release(struct k3_r5_core *core) in k3_r5_split_release() argument
229 ret = core->ti_sci->ops.dev_ops.get_device(core->ti_sci, in k3_r5_split_release()
230 core->ti_sci_id); in k3_r5_split_release()
232 dev_err(core->dev, "module-reset deassert failed, ret = %d\n", in k3_r5_split_release()
237 ret = reset_control_deassert(core->reset); in k3_r5_split_release()
239 dev_err(core->dev, "local-reset deassert failed, ret = %d\n", in k3_r5_split_release()
241 if (core->ti_sci->ops.dev_ops.put_device(core->ti_sci, in k3_r5_split_release()
242 core->ti_sci_id)) in k3_r5_split_release()
243 dev_warn(core->dev, "module-reset assert back failed\n"); in k3_r5_split_release()
251 struct k3_r5_core *core; in k3_r5_lockstep_reset() local
255 list_for_each_entry(core, &cluster->cores, elem) { in k3_r5_lockstep_reset()
256 ret = reset_control_assert(core->reset); in k3_r5_lockstep_reset()
258 dev_err(core->dev, "local-reset assert failed, ret = %d\n", in k3_r5_lockstep_reset()
260 core = list_prev_entry(core, elem); in k3_r5_lockstep_reset()
266 list_for_each_entry(core, &cluster->cores, elem) { in k3_r5_lockstep_reset()
267 ret = core->ti_sci->ops.dev_ops.put_device(core->ti_sci, in k3_r5_lockstep_reset()
268 core->ti_sci_id); in k3_r5_lockstep_reset()
270 dev_err(core->dev, "module-reset assert failed, ret = %d\n", in k3_r5_lockstep_reset()
279 list_for_each_entry_continue_reverse(core, &cluster->cores, elem) { in k3_r5_lockstep_reset()
280 if (core->ti_sci->ops.dev_ops.put_device(core->ti_sci, in k3_r5_lockstep_reset()
281 core->ti_sci_id)) in k3_r5_lockstep_reset()
282 dev_warn(core->dev, "module-reset assert back failed\n"); in k3_r5_lockstep_reset()
284 core = list_last_entry(&cluster->cores, struct k3_r5_core, elem); in k3_r5_lockstep_reset()
286 list_for_each_entry_from_reverse(core, &cluster->cores, elem) { in k3_r5_lockstep_reset()
287 if (reset_control_deassert(core->reset)) in k3_r5_lockstep_reset()
288 dev_warn(core->dev, "local-reset deassert back failed\n"); in k3_r5_lockstep_reset()
296 struct k3_r5_core *core; in k3_r5_lockstep_release() local
300 list_for_each_entry_reverse(core, &cluster->cores, elem) { in k3_r5_lockstep_release()
301 ret = core->ti_sci->ops.dev_ops.get_device(core->ti_sci, in k3_r5_lockstep_release()
302 core->ti_sci_id); in k3_r5_lockstep_release()
304 dev_err(core->dev, "module-reset deassert failed, ret = %d\n", in k3_r5_lockstep_release()
306 core = list_next_entry(core, elem); in k3_r5_lockstep_release()
312 list_for_each_entry_reverse(core, &cluster->cores, elem) { in k3_r5_lockstep_release()
313 ret = reset_control_deassert(core->reset); in k3_r5_lockstep_release()
315 dev_err(core->dev, "module-reset deassert failed, ret = %d\n", in k3_r5_lockstep_release()
324 list_for_each_entry_continue(core, &cluster->cores, elem) { in k3_r5_lockstep_release()
325 if (reset_control_assert(core->reset)) in k3_r5_lockstep_release()
326 dev_warn(core->dev, "local-reset assert back failed\n"); in k3_r5_lockstep_release()
328 core = list_first_entry(&cluster->cores, struct k3_r5_core, elem); in k3_r5_lockstep_release()
330 list_for_each_entry_from(core, &cluster->cores, elem) { in k3_r5_lockstep_release()
331 if (core->ti_sci->ops.dev_ops.put_device(core->ti_sci, in k3_r5_lockstep_release()
332 core->ti_sci_id)) in k3_r5_lockstep_release()
333 dev_warn(core->dev, "module-reset assert back failed\n"); in k3_r5_lockstep_release()
339 static inline int k3_r5_core_halt(struct k3_r5_core *core) in k3_r5_core_halt() argument
341 return ti_sci_proc_set_control(core->tsp, in k3_r5_core_halt()
345 static inline int k3_r5_core_run(struct k3_r5_core *core) in k3_r5_core_run() argument
347 return ti_sci_proc_set_control(core->tsp, in k3_r5_core_run()
356 * invoked by remoteproc core before any firmware loading, and is followed
363 struct k3_r5_core *core = kproc->core; in k3_r5_rproc_prepare() local
368 k3_r5_lockstep_release(cluster) : k3_r5_split_release(core); in k3_r5_rproc_prepare()
376 * Zero out both TCMs unconditionally (access from v8 Arm core is not in k3_r5_rproc_prepare()
381 memset(core->mem[0].cpu_addr, 0x00, core->mem[0].size); in k3_r5_rproc_prepare()
384 memset(core->mem[1].cpu_addr, 0x00, core->mem[1].size); in k3_r5_rproc_prepare()
395 * .unprepare() ops is invoked by the remoteproc core after the remoteproc is
402 struct k3_r5_core *core = kproc->core; in k3_r5_rproc_unprepare() local
407 k3_r5_lockstep_reset(cluster) : k3_r5_split_reset(core); in k3_r5_rproc_unprepare()
416 * 1. Configure the boot vector for R5F core(s)
417 * 2. Unhalt/Run the R5F core(s)
432 struct k3_r5_core *core; in k3_r5_rproc_start() local
465 dev_dbg(dev, "booting R5F core using boot addr = 0x%x\n", boot_addr); in k3_r5_rproc_start()
468 core = kproc->core; in k3_r5_rproc_start()
469 ret = ti_sci_proc_set_config(core->tsp, boot_addr, 0, 0); in k3_r5_rproc_start()
475 list_for_each_entry_reverse(core, &cluster->cores, elem) { in k3_r5_rproc_start()
476 ret = k3_r5_core_run(core); in k3_r5_rproc_start()
481 ret = k3_r5_core_run(core); in k3_r5_rproc_start()
489 list_for_each_entry_continue(core, &cluster->cores, elem) { in k3_r5_rproc_start()
490 if (k3_r5_core_halt(core)) in k3_r5_rproc_start()
491 dev_warn(core->dev, "core halt back failed\n"); in k3_r5_rproc_start()
500 * 1. Halt R5F core(s)
510 * core is running, but is needed to make sure the core won't run after
521 struct k3_r5_core *core = kproc->core; in k3_r5_rproc_stop() local
526 list_for_each_entry(core, &cluster->cores, elem) { in k3_r5_rproc_stop()
527 ret = k3_r5_core_halt(core); in k3_r5_rproc_stop()
529 core = list_prev_entry(core, elem); in k3_r5_rproc_stop()
534 ret = k3_r5_core_halt(core); in k3_r5_rproc_stop()
544 list_for_each_entry_from_reverse(core, &cluster->cores, elem) { in k3_r5_rproc_stop()
545 if (k3_r5_core_run(core)) in k3_r5_rproc_stop()
546 dev_warn(core->dev, "core run back failed\n"); in k3_r5_rproc_stop()
558 * either by the remoteproc core for loading, or by any rpmsg bus drivers.
563 struct k3_r5_core *core = kproc->core; in k3_r5_rproc_da_to_va() local
574 for (i = 0; i < core->num_mems; i++) { in k3_r5_rproc_da_to_va()
575 bus_addr = core->mem[i].bus_addr; in k3_r5_rproc_da_to_va()
576 dev_addr = core->mem[i].dev_addr; in k3_r5_rproc_da_to_va()
577 size = core->mem[i].size; in k3_r5_rproc_da_to_va()
582 va = core->mem[i].cpu_addr + offset; in k3_r5_rproc_da_to_va()
589 va = core->mem[i].cpu_addr + offset; in k3_r5_rproc_da_to_va()
595 for (i = 0; i < core->num_sram; i++) { in k3_r5_rproc_da_to_va()
596 dev_addr = core->sram[i].dev_addr; in k3_r5_rproc_da_to_va()
597 size = core->sram[i].size; in k3_r5_rproc_da_to_va()
601 va = core->sram[i].cpu_addr + offset; in k3_r5_rproc_da_to_va()
631 * Internal R5F Core configuration
635 * oriented Split mode. Each R5F core has a number of settings to either
636 * enable/disable each of the TCMs, control which TCM appears at the R5F core's
638 * corresponding core are released. These settings are all protected and managed
641 * This function is used to pre-configure these settings for each R5F core, and
665 struct k3_r5_core *core0, *core, *temp; in k3_r5_rproc_configure() local
673 core = (cluster->mode == CLUSTER_MODE_LOCKSTEP) ? core0 : kproc->core; in k3_r5_rproc_configure()
675 ret = ti_sci_proc_get_status(core->tsp, &boot_vec, &cfg, &ctrl, in k3_r5_rproc_configure()
691 if (core == core0) { in k3_r5_rproc_configure()
702 if (core->atcm_enable) in k3_r5_rproc_configure()
707 if (core->btcm_enable) in k3_r5_rproc_configure()
712 if (core->loczrama) in k3_r5_rproc_configure()
728 if (temp != core) { in k3_r5_rproc_configure()
740 ret = ti_sci_proc_set_config(core->tsp, boot_vec, in k3_r5_rproc_configure()
743 ret = k3_r5_core_halt(core); in k3_r5_rproc_configure()
747 ret = ti_sci_proc_set_config(core->tsp, boot_vec, in k3_r5_rproc_configure()
863 struct k3_r5_core *core, *core1; in k3_r5_cluster_rproc_init() local
870 list_for_each_entry(core, &cluster->cores, elem) { in k3_r5_cluster_rproc_init()
871 cdev = core->dev; in k3_r5_cluster_rproc_init()
893 kproc->core = core; in k3_r5_cluster_rproc_init()
896 core->rproc = rproc; in k3_r5_cluster_rproc_init()
931 core->rproc = NULL; in k3_r5_cluster_rproc_init()
934 if (cluster->mode == CLUSTER_MODE_SPLIT && core == core1) { in k3_r5_cluster_rproc_init()
935 core = list_prev_entry(core, elem); in k3_r5_cluster_rproc_init()
936 rproc = core->rproc; in k3_r5_cluster_rproc_init()
947 struct k3_r5_core *core; in k3_r5_cluster_rproc_exit() local
951 * lockstep mode has only one rproc associated with first core, whereas in k3_r5_cluster_rproc_exit()
952 * split-mode has two rprocs associated with each core, and requires in k3_r5_cluster_rproc_exit()
955 core = (cluster->mode == CLUSTER_MODE_LOCKSTEP) ? in k3_r5_cluster_rproc_exit()
959 list_for_each_entry_from_reverse(core, &cluster->cores, elem) { in k3_r5_cluster_rproc_exit()
960 rproc = core->rproc; in k3_r5_cluster_rproc_exit()
968 core->rproc = NULL; in k3_r5_cluster_rproc_exit()
975 struct k3_r5_core *core) in k3_r5_core_of_get_internal_memories() argument
984 core->mem = devm_kcalloc(dev, num_mems, sizeof(*core->mem), GFP_KERNEL); in k3_r5_core_of_get_internal_memories()
985 if (!core->mem) in k3_r5_core_of_get_internal_memories()
1011 core->mem[i].cpu_addr = devm_ioremap_wc(dev, res->start, in k3_r5_core_of_get_internal_memories()
1013 if (!core->mem[i].cpu_addr) { in k3_r5_core_of_get_internal_memories()
1017 core->mem[i].bus_addr = res->start; in k3_r5_core_of_get_internal_memories()
1028 core->mem[i].dev_addr = core->loczrama ? in k3_r5_core_of_get_internal_memories()
1031 core->mem[i].dev_addr = core->loczrama ? in k3_r5_core_of_get_internal_memories()
1034 core->mem[i].size = resource_size(res); in k3_r5_core_of_get_internal_memories()
1037 mem_names[i], &core->mem[i].bus_addr, in k3_r5_core_of_get_internal_memories()
1038 core->mem[i].size, core->mem[i].cpu_addr, in k3_r5_core_of_get_internal_memories()
1039 core->mem[i].dev_addr); in k3_r5_core_of_get_internal_memories()
1041 core->num_mems = num_mems; in k3_r5_core_of_get_internal_memories()
1047 struct k3_r5_core *core) in k3_r5_core_of_get_sram_memories() argument
1063 core->sram = devm_kcalloc(dev, num_sram, sizeof(*core->sram), GFP_KERNEL); in k3_r5_core_of_get_sram_memories()
1064 if (!core->sram) in k3_r5_core_of_get_sram_memories()
1082 core->sram[i].bus_addr = res.start; in k3_r5_core_of_get_sram_memories()
1083 core->sram[i].dev_addr = res.start; in k3_r5_core_of_get_sram_memories()
1084 core->sram[i].size = resource_size(&res); in k3_r5_core_of_get_sram_memories()
1085 core->sram[i].cpu_addr = devm_ioremap_wc(dev, res.start, in k3_r5_core_of_get_sram_memories()
1087 if (!core->sram[i].cpu_addr) { in k3_r5_core_of_get_sram_memories()
1094 i, &core->sram[i].bus_addr, in k3_r5_core_of_get_sram_memories()
1095 core->sram[i].size, core->sram[i].cpu_addr, in k3_r5_core_of_get_sram_memories()
1096 core->sram[i].dev_addr); in k3_r5_core_of_get_sram_memories()
1098 core->num_sram = num_sram; in k3_r5_core_of_get_sram_memories()
1133 struct k3_r5_core *core; in k3_r5_core_of_init() local
1139 core = devm_kzalloc(dev, sizeof(*core), GFP_KERNEL); in k3_r5_core_of_init()
1140 if (!core) { in k3_r5_core_of_init()
1145 core->dev = dev; in k3_r5_core_of_init()
1150 core->atcm_enable = 0; in k3_r5_core_of_init()
1151 core->btcm_enable = 1; in k3_r5_core_of_init()
1152 core->loczrama = 1; in k3_r5_core_of_init()
1154 ret = of_property_read_u32(np, "ti,atcm-enable", &core->atcm_enable); in k3_r5_core_of_init()
1161 ret = of_property_read_u32(np, "ti,btcm-enable", &core->btcm_enable); in k3_r5_core_of_init()
1168 ret = of_property_read_u32(np, "ti,loczrama", &core->loczrama); in k3_r5_core_of_init()
1174 core->ti_sci = devm_ti_sci_get_by_phandle(dev, "ti,sci"); in k3_r5_core_of_init()
1175 if (IS_ERR(core->ti_sci)) { in k3_r5_core_of_init()
1176 ret = PTR_ERR(core->ti_sci); in k3_r5_core_of_init()
1181 core->ti_sci = NULL; in k3_r5_core_of_init()
1185 ret = of_property_read_u32(np, "ti,sci-dev-id", &core->ti_sci_id); in k3_r5_core_of_init()
1191 core->reset = devm_reset_control_get_exclusive(dev, NULL); in k3_r5_core_of_init()
1192 if (IS_ERR_OR_NULL(core->reset)) { in k3_r5_core_of_init()
1193 ret = PTR_ERR_OR_ZERO(core->reset); in k3_r5_core_of_init()
1203 core->tsp = k3_r5_core_of_get_tsp(dev, core->ti_sci); in k3_r5_core_of_init()
1204 if (IS_ERR(core->tsp)) { in k3_r5_core_of_init()
1207 ret = PTR_ERR(core->tsp); in k3_r5_core_of_init()
1211 ret = k3_r5_core_of_get_internal_memories(pdev, core); in k3_r5_core_of_init()
1218 ret = k3_r5_core_of_get_sram_memories(pdev, core); in k3_r5_core_of_init()
1224 ret = ti_sci_proc_request(core->tsp); in k3_r5_core_of_init()
1230 platform_set_drvdata(pdev, core); in k3_r5_core_of_init()
1246 struct k3_r5_core *core = platform_get_drvdata(pdev); in k3_r5_core_of_exit() local
1250 ret = ti_sci_proc_release(core->tsp); in k3_r5_core_of_exit()
1262 struct k3_r5_core *core, *temp; in k3_r5_cluster_of_exit() local
1264 list_for_each_entry_safe_reverse(core, temp, &cluster->cores, elem) { in k3_r5_cluster_of_exit()
1265 list_del(&core->elem); in k3_r5_cluster_of_exit()
1266 cpdev = to_platform_device(core->dev); in k3_r5_cluster_of_exit()
1278 struct k3_r5_core *core; in k3_r5_cluster_of_init() local
1285 dev_err(dev, "could not get R5 core platform device\n"); in k3_r5_cluster_of_init()
1297 core = platform_get_drvdata(cpdev); in k3_r5_cluster_of_init()
1299 list_add_tail(&core->elem, &cluster->cores); in k3_r5_cluster_of_init()