drivers/remoteproc/ti_k3_r5_remoteproc.c

230 	int ret;
233 	ret = mbox_send_message(kproc->mbox, (void *)msg);
234 	if (ret < 0)
236 			ret);
241 	int ret;
243 	ret = reset_control_assert(core->reset);
244 	if (ret) {
245 		dev_err(core->dev, "local-reset assert failed, ret = %d\n",
246 			ret);
247 		return ret;
250 	ret = core->ti_sci->ops.dev_ops.put_device(core->ti_sci,
252 	if (ret) {
253 		dev_err(core->dev, "module-reset assert failed, ret = %d\n",
254 			ret);
259 	return ret;
264 	int ret;
266 	ret = core->ti_sci->ops.dev_ops.get_device(core->ti_sci,
268 	if (ret) {
269 		dev_err(core->dev, "module-reset deassert failed, ret = %d\n",
270 			ret);
271 		return ret;
274 	ret = reset_control_deassert(core->reset);
275 	if (ret) {
276 		dev_err(core->dev, "local-reset deassert failed, ret = %d\n",
277 			ret);
283 	return ret;
289 	int ret;
293 		ret = reset_control_assert(core->reset);
294 		if (ret) {
295 			dev_err(core->dev, "local-reset assert failed, ret = %d\n",
296 				ret);
304 		ret = core->ti_sci->ops.dev_ops.put_device(core->ti_sci,
306 		if (ret) {
307 			dev_err(core->dev, "module-reset assert failed, ret = %d\n",
308 				ret);
328 	return ret;
334 	int ret;
338 		ret = core->ti_sci->ops.dev_ops.get_device(core->ti_sci,
340 		if (ret) {
341 			dev_err(core->dev, "module-reset deassert failed, ret = %d\n",
342 				ret);
350 		ret = reset_control_deassert(core->reset);
351 		if (ret) {
352 			dev_err(core->dev, "module-reset deassert failed, ret = %d\n",
353 				ret);
373 	return ret;
393 	int ret;
403 		ret = -EBUSY;
406 		return ret;
416 	ret = mbox_send_message(kproc->mbox, (void *)RP_MBOX_ECHO_REQUEST);
417 	if (ret < 0) {
418 		dev_err(dev, "mbox_send_message failed: %d\n", ret);
420 		return ret;
451 	int ret;
453 	ret = ti_sci_proc_get_status(core->tsp, &boot_vec, &cfg, &ctrl, &stat);
454 	if (ret < 0)
455 		return ret;
459 	ret = (cluster->mode == CLUSTER_MODE_LOCKSTEP ||
462 	if (ret) {
463 		dev_err(dev, "unable to enable cores for TCM loading, ret = %d\n",
464 			ret);
465 		return ret;
517 	int ret;
520 	ret = (cluster->mode == CLUSTER_MODE_LOCKSTEP ||
523 	if (ret)
524 		dev_err(dev, "unable to disable cores, ret = %d\n", ret);
526 	return ret;
553 	int ret;
555 	ret = k3_r5_rproc_request_mbox(rproc);
556 	if (ret)
557 		return ret;
565 	ret = ti_sci_proc_set_config(core->tsp, boot_addr, 0, 0);
566 	if (ret)
572 			ret = k3_r5_core_run(core);
573 			if (ret)
583 			ret = -EPERM;
587 		ret = k3_r5_core_run(core);
588 		if (ret)
601 	return ret;
634 	int ret;
639 			ret = k3_r5_core_halt(core);
640 			if (ret) {
652 			ret = -EPERM;
656 		ret = k3_r5_core_halt(core);
657 		if (ret)
671 	return ret;
686 	int ret;
688 	ret = k3_r5_rproc_request_mbox(rproc);
689 	if (ret)
690 		return ret;
869 	int ret;
880 	ret = ti_sci_proc_get_status(core->tsp, &boot_vec, &cfg, &ctrl,
882 	if (ret < 0)
883 		return ret;
950 			ret = k3_r5_core_halt(temp);
951 			if (ret)
958 			ret = ti_sci_proc_set_config(temp->tsp, boot_vec,
960 			if (ret)
966 		ret = ti_sci_proc_set_config(core->tsp, boot_vec,
969 		ret = k3_r5_core_halt(core);
970 		if (ret)
973 		ret = ti_sci_proc_set_config(core->tsp, boot_vec,
978 	return ret;
988 	int ret, i;
993 		dev_err(dev, "device does not have reserved memory regions, ret = %d\n",
1004 	ret = of_reserved_mem_device_init_by_idx(dev, np, 0);
1005 	if (ret) {
1006 		dev_err(dev, "device cannot initialize DMA pool, ret = %d\n",
1007 			ret);
1008 		return ret;
1014 		ret = -ENOMEM;
1022 			ret = -EINVAL;
1029 			ret = -EINVAL;
1051 			ret = -ENOMEM;
1070 	return ret;
1147 	int ret;
1151 	ret = core->ti_sci->ops.dev_ops.is_on(core->ti_sci, core->ti_sci_id,
1153 	if (ret) {
1154 		dev_err(cdev, "failed to get initial state, mode cannot be determined, ret = %d\n",
1155 			ret);
1156 		return ret;
1163 	ret = reset_control_status(core->reset);
1164 	if (ret < 0) {
1165 		dev_err(cdev, "failed to get initial local reset status, ret = %d\n",
1166 			ret);
1167 		return ret;
1176 	ret = ti_sci_proc_get_status(core->tsp, &boot_vec, &cfg, &ctrl,
1178 	if (ret < 0) {
1179 		dev_err(cdev, "failed to get initial processor status, ret = %d\n",
1180 			ret);
1181 		return ret;
1202 	if (c_state && !ret && !halted) {
1205 		ret = 1;
1217 		ret = 0;
1220 			!ret ? "deasserted" : "asserted",
1223 		ret = -EINVAL;
1227 	if (ret > 0) {
1237 	return ret;
1249 	int ret, ret1;
1254 		ret = rproc_of_parse_firmware(cdev, 0, &fw_name);
1255 		if (ret) {
1256 			dev_err(dev, "failed to parse firmware-name property, ret = %d\n",
1257 				ret);
1264 			ret = -ENOMEM;
1280 		ret = k3_r5_rproc_configure_mode(kproc);
1281 		if (ret < 0)
1283 		if (ret)
1286 		ret = k3_r5_rproc_configure(kproc);
1287 		if (ret) {
1288 			dev_err(dev, "initial configure failed, ret = %d\n",
1289 				ret);
1296 		ret = k3_r5_reserved_mem_init(kproc);
1297 		if (ret) {
1298 			dev_err(dev, "reserved memory init failed, ret = %d\n",
1299 				ret);
1303 		ret = rproc_add(rproc);
1304 		if (ret) {
1305 			dev_err(dev, "rproc_add failed, ret = %d\n", ret);
1327 		ret = wait_event_interruptible_timeout(cluster->core_transition,
1330 		if (ret <= 0) {
1334 			return ret;
1344 			dev_err(kproc->dev, "failed to detach rproc, ret = %d\n",
1364 	return ret;
1373 	int ret;
1390 			ret = rproc_detach(rproc);
1391 			if (ret) {
1392 				dev_err(kproc->dev, "failed to detach rproc, ret = %d\n", ret);
1486 	int i, ret;
1509 		ret = of_address_to_resource(sram_np, 0, &res);
1511 		if (ret)
1541 	int ret;
1543 	ret = of_property_read_u32_array(dev_of_node(dev), "ti,sci-proc-ids",
1545 	if (ret < 0)
1546 		return ERR_PTR(ret);
1566 	int ret;
1573 		ret = -ENOMEM;
1586 	ret = of_property_read_u32(np, "ti,atcm-enable", &core->atcm_enable);
1587 	if (ret < 0 && ret != -EINVAL) {
1588 		dev_err(dev, "invalid format for ti,atcm-enable, ret = %d\n",
1589 			ret);
1593 	ret = of_property_read_u32(np, "ti,btcm-enable", &core->btcm_enable);
1594 	if (ret < 0 && ret != -EINVAL) {
1595 		dev_err(dev, "invalid format for ti,btcm-enable, ret = %d\n",
1596 			ret);
1600 	ret = of_property_read_u32(np, "ti,loczrama", &core->loczrama);
1601 	if (ret < 0 && ret != -EINVAL) {
1602 		dev_err(dev, "invalid format for ti,loczrama, ret = %d\n", ret);
1608 		ret = PTR_ERR(core->ti_sci);
1609 		if (ret != -EPROBE_DEFER) {
1610 			dev_err(dev, "failed to get ti-sci handle, ret = %d\n",
1611 				ret);
1617 	ret = of_property_read_u32(np, "ti,sci-dev-id", &core->ti_sci_id);
1618 	if (ret) {
1625 		ret = PTR_ERR_OR_ZERO(core->reset);
1626 		if (!ret)
1627 			ret = -ENODEV;
1628 		if (ret != -EPROBE_DEFER) {
1629 			dev_err(dev, "failed to get reset handle, ret = %d\n",
1630 				ret);
1637 		ret = PTR_ERR(core->tsp);
1638 		dev_err(dev, "failed to construct ti-sci proc control, ret = %d\n",
1639 			ret);
1643 	ret = k3_r5_core_of_get_internal_memories(pdev, core);
1644 	if (ret) {
1645 		dev_err(dev, "failed to get internal memories, ret = %d\n",
1646 			ret);
1650 	ret = k3_r5_core_of_get_sram_memories(pdev, core);
1651 	if (ret) {
1652 		dev_err(dev, "failed to get sram memories, ret = %d\n", ret);
1656 	ret = ti_sci_proc_request(core->tsp);
1657 	if (ret < 0) {
1658 		dev_err(dev, "ti_sci_proc_request failed, ret = %d\n", ret);
1669 	return ret;
1680 	int ret;
1682 	ret = ti_sci_proc_release(core->tsp);
1683 	if (ret)
1684 		dev_err(dev, "failed to release proc, ret = %d\n", ret);
1711 	int ret;
1716 			ret = -ENODEV;
1722 		ret = k3_r5_core_of_init(cpdev);
1723 		if (ret) {
1724 			dev_err(dev, "k3_r5_core_of_init failed, ret = %d\n",
1725 				ret);
1740 	return ret;
1749 	int ret;
1767 	ret = of_property_read_u32(np, "ti,cluster-mode", &cluster->mode);
1768 	if (ret < 0 && ret != -EINVAL) {
1769 		dev_err(dev, "invalid format for ti,cluster-mode, ret = %d\n",
1770 			ret);
1771 		return ret;
1774 	if (ret == -EINVAL) {
1811 	ret = devm_of_platform_populate(dev);
1812 	if (ret) {
1813 		dev_err(dev, "devm_of_platform_populate failed, ret = %d\n",
1814 			ret);
1815 		return ret;
1818 	ret = k3_r5_cluster_of_init(pdev);
1819 	if (ret) {
1820 		dev_err(dev, "k3_r5_cluster_of_init failed, ret = %d\n", ret);
1821 		return ret;
1824 	ret = devm_add_action_or_reset(dev, k3_r5_cluster_of_exit, pdev);
1825 	if (ret)
1826 		return ret;
1828 	ret = k3_r5_cluster_rproc_init(pdev);
1829 	if (ret) {
1830 		dev_err(dev, "k3_r5_cluster_rproc_init failed, ret = %d\n",
1831 			ret);
1832 		return ret;
1835 	ret = devm_add_action_or_reset(dev, k3_r5_cluster_rproc_exit, pdev);
1836 	if (ret)
1837 		return ret;