1 // SPDX-License-Identifier: GPL-2.0
7 #include <dt-bindings/power/xlnx-zynqmp-power.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/firmware/xlnx-zynqmp.h>
12 #include <linux/mailbox/zynqmp-ipi-message.h>
34  * reflects possible values of xlnx,cluster-mode dt-property
38 	LOCKSTEP_MODE = 1, /* cores execute same code in lockstep,clk-for-clk */
43  * struct mem_bank_data - Memory Bank description
48  * @pm_domain_id: Power-domains id of memory bank for firmware to turn on/off
60  * struct zynqmp_sram_bank - sram bank description
71  * struct mbox_info - mailbox channel data
92  * struct rsc_tbl_data - resource table metadata
98  * @magic_num: 32-bit magic number.
113  * compatibility with device-tree that does not have TCM information.
131  * struct zynqmp_r5_core - remoteproc core's internal data
160  * struct zynqmp_r5_cluster - remoteproc cluster's internal data
175  * event_notified_idr_cb() - callback for vq_interrupt per notifyid
176  * @id: rproc->notify id
190 		dev_dbg(&rproc->dev, "data not found for vqid=%d\n", id);  in event_notified_idr_cb()
196  * handle_event_notified() - remoteproc notification work function
207 	rproc = ipi->r5_core->rproc;  in handle_event_notified()
210 	 * We only use IPI for interrupt. The RPU firmware side may or may  in handle_event_notified()
214 	 * Even if message from firmware is NULL, we attempt to get vqid  in handle_event_notified()
216 	idr_for_each(&rproc->notifyids, event_notified_idr_cb, rproc);  in handle_event_notified()
220  * zynqmp_r5_mb_rx_cb() - receive channel mailbox callback
237 	buf_msg = (struct zynqmp_ipi_message *)ipi->rx_mc_buf;  in zynqmp_r5_mb_rx_cb()
238 	len = ipi_msg->len;  in zynqmp_r5_mb_rx_cb()
240 		dev_warn(cl->dev, "msg size exceeded than %d\n",  in zynqmp_r5_mb_rx_cb()
244 	buf_msg->len = len;  in zynqmp_r5_mb_rx_cb()
245 	memcpy(buf_msg->data, ipi_msg->data, len);  in zynqmp_r5_mb_rx_cb()
248 	if (mbox_send_message(ipi->rx_chan, NULL) < 0)  in zynqmp_r5_mb_rx_cb()
249 		dev_err(cl->dev, "ack failed to mbox rx_chan\n");  in zynqmp_r5_mb_rx_cb()
251 	schedule_work(&ipi->mbox_work);  in zynqmp_r5_mb_rx_cb()
255  * zynqmp_r5_setup_mbox() - Setup mailboxes related properties
272 	mbox_cl = &ipi->mbox_cl;  in zynqmp_r5_setup_mbox()
273 	mbox_cl->rx_callback = zynqmp_r5_mb_rx_cb;  in zynqmp_r5_setup_mbox()
274 	mbox_cl->tx_block = false;  in zynqmp_r5_setup_mbox()
275 	mbox_cl->knows_txdone = false;  in zynqmp_r5_setup_mbox()
276 	mbox_cl->tx_done = NULL;  in zynqmp_r5_setup_mbox()
277 	mbox_cl->dev = cdev;  in zynqmp_r5_setup_mbox()
280 	ipi->tx_chan = mbox_request_channel_byname(mbox_cl, "tx");  in zynqmp_r5_setup_mbox()
281 	if (IS_ERR(ipi->tx_chan)) {  in zynqmp_r5_setup_mbox()
282 		ipi->tx_chan = NULL;  in zynqmp_r5_setup_mbox()
288 	ipi->rx_chan = mbox_request_channel_byname(mbox_cl, "rx");  in zynqmp_r5_setup_mbox()
289 	if (IS_ERR(ipi->rx_chan)) {  in zynqmp_r5_setup_mbox()
290 		mbox_free_channel(ipi->tx_chan);  in zynqmp_r5_setup_mbox()
291 		ipi->rx_chan = NULL;  in zynqmp_r5_setup_mbox()
292 		ipi->tx_chan = NULL;  in zynqmp_r5_setup_mbox()
298 	INIT_WORK(&ipi->mbox_work, handle_event_notified);  in zynqmp_r5_setup_mbox()
308 	if (ipi->tx_chan) {  in zynqmp_r5_free_mbox()
309 		mbox_free_channel(ipi->tx_chan);  in zynqmp_r5_free_mbox()
310 		ipi->tx_chan = NULL;  in zynqmp_r5_free_mbox()
313 	if (ipi->rx_chan) {  in zynqmp_r5_free_mbox()
314 		mbox_free_channel(ipi->rx_chan);  in zynqmp_r5_free_mbox()
315 		ipi->rx_chan = NULL;  in zynqmp_r5_free_mbox()
322  * zynqmp_r5_core_kick() - kick a firmware if mbox is provided
328 	struct zynqmp_r5_core *r5_core = rproc->priv;  in zynqmp_r5_rproc_kick()
329 	struct device *dev = r5_core->dev;  in zynqmp_r5_rproc_kick()
334 	ipi = r5_core->ipi;  in zynqmp_r5_rproc_kick()
338 	mb_msg = (struct zynqmp_ipi_message *)ipi->tx_mc_buf;  in zynqmp_r5_rproc_kick()
339 	memcpy(mb_msg->data, &vqid, sizeof(vqid));  in zynqmp_r5_rproc_kick()
340 	mb_msg->len = sizeof(vqid);  in zynqmp_r5_rproc_kick()
341 	ret = mbox_send_message(ipi->tx_chan, mb_msg);  in zynqmp_r5_rproc_kick()
352  * return 0 on success, otherwise non-zero value on failure
356 	struct zynqmp_r5_core *r5_core = rproc->priv;  in zynqmp_r5_rproc_start()
361 	 * The exception vector pointers (EVP) refer to the base-address of  in zynqmp_r5_rproc_start()
362 	 * exception vectors (for reset, IRQ, FIQ, etc). The reset-vector  in zynqmp_r5_rproc_start()
363 	 * starts at the base-address and subsequent vectors are on 4-byte  in zynqmp_r5_rproc_start()
367 	 * from 0xFFFF_0000 (HIVEC) which is mapped in the OCM (On-Chip Memory)  in zynqmp_r5_rproc_start()
369 	 * Usually firmware will put Exception vectors at LOVEC.  in zynqmp_r5_rproc_start()
373 	 * and jitter. Also, if the OCM is secured and the Cortex-R5F processor  in zynqmp_r5_rproc_start()
374 	 * is non-secured, then the Cortex-R5F processor cannot access the  in zynqmp_r5_rproc_start()
377 	bootmem = (rproc->bootaddr >= 0xFFFC0000) ?  in zynqmp_r5_rproc_start()
380 	dev_dbg(r5_core->dev, "RPU boot addr 0x%llx from %s.", rproc->bootaddr,  in zynqmp_r5_rproc_start()
385 		ret = zynqmp_pm_request_node(r5_core->pm_domain_id,  in zynqmp_r5_rproc_start()
389 			dev_err(r5_core->dev, "failed to request 0x%x",  in zynqmp_r5_rproc_start()
390 				r5_core->pm_domain_id);  in zynqmp_r5_rproc_start()
395 	ret = zynqmp_pm_request_wake(r5_core->pm_domain_id, 1,  in zynqmp_r5_rproc_start()
398 		dev_err(r5_core->dev,  in zynqmp_r5_rproc_start()
399 			"failed to start RPU = 0x%x\n", r5_core->pm_domain_id);  in zynqmp_r5_rproc_start()
409  * return 0 on success, otherwise non-zero value on failure
413 	struct zynqmp_r5_core *r5_core = rproc->priv;  in zynqmp_r5_rproc_stop()
418 		ret = zynqmp_pm_release_node(r5_core->pm_domain_id);  in zynqmp_r5_rproc_stop()
420 			dev_err(r5_core->dev, "failed to stop remoteproc RPU %d\n", ret);  in zynqmp_r5_rproc_stop()
426 	 * any error or warning prints from firmware as it is expected that fw  in zynqmp_r5_rproc_stop()
430 		dev_dbg(r5_core->dev, "EEMI interface %d ver 1 not supported\n",  in zynqmp_r5_rproc_stop()
432 		return -EOPNOTSUPP;  in zynqmp_r5_rproc_stop()
436 	ret = zynqmp_pm_force_pwrdwn(r5_core->pm_domain_id,  in zynqmp_r5_rproc_stop()
439 		dev_err(r5_core->dev, "core force power down failed\n");  in zynqmp_r5_rproc_stop()
447  * @mem: mem descriptor to map reserved memory-regions
449  * Callback to map va for memory-region's carveout.
451  * return 0 on success, otherwise non-zero value on failure
458 	va = ioremap_wc(mem->dma, mem->len);  in zynqmp_r5_mem_region_map()
460 		return -ENOMEM;  in zynqmp_r5_mem_region_map()
462 	mem->va = (void *)va;  in zynqmp_r5_mem_region_map()
472  * Unmap memory-region carveout
479 	iounmap((void __iomem *)mem->va);  in zynqmp_r5_mem_region_unmap()
487  * Construct rproc mem carveouts from memory-region property nodes
489  * return 0 on success, otherwise non-zero value on failure
499 	r5_core = rproc->priv;  in add_mem_regions_carveout()
502 	of_phandle_iterator_init(&it, r5_core->np, "memory-region", NULL, 0);  in add_mem_regions_carveout()
508 			dev_err(&rproc->dev, "unable to acquire memory-region\n");  in add_mem_regions_carveout()
509 			return -EINVAL;  in add_mem_regions_carveout()
512 		if (!strcmp(it.node->name, "vdev0buffer")) {  in add_mem_regions_carveout()
514 			rproc_mem = rproc_of_resm_mem_entry_init(&rproc->dev, i,  in add_mem_regions_carveout()
515 								 rmem->size,  in add_mem_regions_carveout()
516 								 rmem->base,  in add_mem_regions_carveout()
517 								 it.node->name);  in add_mem_regions_carveout()
520 			rproc_mem = rproc_mem_entry_init(&rproc->dev, NULL,  in add_mem_regions_carveout()
521 							 (dma_addr_t)rmem->base,  in add_mem_regions_carveout()
522 							 rmem->size, rmem->base,  in add_mem_regions_carveout()
525 							 it.node->name);  in add_mem_regions_carveout()
530 			return -ENOMEM;  in add_mem_regions_carveout()
534 		rproc_coredump_add_segment(rproc, rmem->base, rmem->size);  in add_mem_regions_carveout()
536 		dev_dbg(&rproc->dev, "reserved mem carveout %s addr=%llx, size=0x%llx",  in add_mem_regions_carveout()
537 			it.node->name, rmem->base, rmem->size);  in add_mem_regions_carveout()
546 	struct zynqmp_r5_core *r5_core = rproc->priv;  in add_sram_carveouts()
553 	for (i = 0; i < r5_core->num_sram; i++) {  in add_sram_carveouts()
554 		sram = &r5_core->sram[i];  in add_sram_carveouts()
556 		dma_addr = (dma_addr_t)sram->sram_res.start;  in add_sram_carveouts()
558 		len = resource_size(&sram->sram_res);  in add_sram_carveouts()
559 		da = sram->da;  in add_sram_carveouts()
561 		rproc_mem = rproc_mem_entry_init(&rproc->dev, NULL,  in add_sram_carveouts()
566 						 sram->sram_res.name);  in add_sram_carveouts()
568 			dev_err(&rproc->dev, "failed to add sram %s da=0x%x, size=0x%lx",  in add_sram_carveouts()
569 				sram->sram_res.name, da, len);  in add_sram_carveouts()
570 			return -ENOMEM;  in add_sram_carveouts()
576 		dev_dbg(&rproc->dev, "sram carveout %s addr=%llx, da=0x%x, size=0x%lx",  in add_sram_carveouts()
577 			sram->sram_res.name, dma_addr, da, len);  in add_sram_carveouts()
594 	iounmap((void __iomem *)mem->va);  in tcm_mem_unmap()
607  * return 0 on success, otherwise non-zero value on failure
614 	va = ioremap_wc(mem->dma, mem->len);  in tcm_mem_map()
616 		return -ENOMEM;  in tcm_mem_map()
619 	mem->va = (void *)va;  in tcm_mem_map()
622 	memset_io(va, 0, mem->len);  in tcm_mem_map()
633  * return 0 on success, otherwise non-zero value on failure
647 	r5_core = rproc->priv;  in add_tcm_banks()
648 	dev = r5_core->dev;  in add_tcm_banks()
649 	num_banks = r5_core->tcm_bank_count;  in add_tcm_banks()
652 	 * Power-on Each 64KB TCM,  in add_tcm_banks()
657 		bank_addr = r5_core->tcm_banks[i]->addr;  in add_tcm_banks()
658 		da = r5_core->tcm_banks[i]->da;  in add_tcm_banks()
659 		bank_name = r5_core->tcm_banks[i]->bank_name;  in add_tcm_banks()
660 		bank_size = r5_core->tcm_banks[i]->size;  in add_tcm_banks()
661 		pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id;  in add_tcm_banks()
675 		 * In DETACHED state firmware is already running so no need to  in add_tcm_banks()
677 		 * platform management firmware know that TCM is in use.  in add_tcm_banks()
679 		if (rproc->state == RPROC_DETACHED)  in add_tcm_banks()
687 			ret = -ENOMEM;  in add_tcm_banks()
700 	for (i--; i >= 0; i--) {  in add_tcm_banks()
701 		pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id;  in add_tcm_banks()
710  * @fw: ptr to firmware to be loaded onto r5 core
714  * return 0 on success, otherwise non-zero value on failure
716 static int zynqmp_r5_parse_fw(struct rproc *rproc, const struct firmware *fw)  in zynqmp_r5_parse_fw()
721 	if (ret == -EINVAL) {  in zynqmp_r5_parse_fw()
728 		dev_info(&rproc->dev, "no resource table found.\n");  in zynqmp_r5_parse_fw()
735  * zynqmp_r5_rproc_prepare() - prepare core to boot/attach
748 		dev_err(&rproc->dev, "failed to get TCM banks, err %d\n", ret);  in zynqmp_r5_rproc_prepare()
754 		dev_err(&rproc->dev, "failed to get reserve mem regions %d\n", ret);  in zynqmp_r5_rproc_prepare()
760 		dev_err(&rproc->dev, "failed to get sram carveout %d\n", ret);  in zynqmp_r5_rproc_prepare()
768  * zynqmp_r5_rproc_unprepare() - programming sequence after stop/detach.
769  * Turns off TCM banks using power-domain id
781 	r5_core = rproc->priv;  in zynqmp_r5_rproc_unprepare()
783 	for (i = 0; i < r5_core->tcm_bank_count; i++) {  in zynqmp_r5_rproc_unprepare()
784 		pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id;  in zynqmp_r5_rproc_unprepare()
786 			dev_warn(r5_core->dev,  in zynqmp_r5_rproc_unprepare()
798 	r5_core = rproc->priv;  in zynqmp_r5_get_loaded_rsc_table()
800 	*size = r5_core->rsc_tbl_size;  in zynqmp_r5_get_loaded_rsc_table()
802 	return (struct resource_table *)r5_core->rsc_tbl_va;  in zynqmp_r5_get_loaded_rsc_table()
808 	struct device *dev = r5_core->dev;  in zynqmp_r5_get_rsc_table_va()
815 	 * It is expected from remote processor firmware to provide resource  in zynqmp_r5_get_rsc_table_va()
817 	 * Start address of first entry under "memory-region" property list  in zynqmp_r5_get_rsc_table_va()
821 	np = of_parse_phandle(r5_core->np, "memory-region", 0);  in zynqmp_r5_get_rsc_table_va()
824 		return -EINVAL;  in zynqmp_r5_get_rsc_table_va()
830 		dev_err(dev, "failed to get memory-region resource addr\n");  in zynqmp_r5_get_rsc_table_va()
831 		return -EINVAL;  in zynqmp_r5_get_rsc_table_va()
838 		return -EIO;  in zynqmp_r5_get_rsc_table_va()
845 	if (rsc_data_va->magic_num != RSC_TBL_XLNX_MAGIC ||  in zynqmp_r5_get_rsc_table_va()
846 	    rsc_data_va->comp_magic_num != ~RSC_TBL_XLNX_MAGIC) {  in zynqmp_r5_get_rsc_table_va()
848 		return -EINVAL;  in zynqmp_r5_get_rsc_table_va()
851 	r5_core->rsc_tbl_va = ioremap_wc(rsc_data_va->rsc_tbl,  in zynqmp_r5_get_rsc_table_va()
852 					 rsc_data_va->rsc_tbl_size);  in zynqmp_r5_get_rsc_table_va()
853 	if (!r5_core->rsc_tbl_va) {  in zynqmp_r5_get_rsc_table_va()
855 		return -EINVAL;  in zynqmp_r5_get_rsc_table_va()
858 	rsc_tbl_addr = (struct resource_table *)r5_core->rsc_tbl_va;  in zynqmp_r5_get_rsc_table_va()
864 	if (rsc_tbl_addr->ver != 1)  in zynqmp_r5_get_rsc_table_va()
866 			 rsc_tbl_addr->ver);  in zynqmp_r5_get_rsc_table_va()
868 	r5_core->rsc_tbl_size = rsc_data_va->rsc_tbl_size;  in zynqmp_r5_get_rsc_table_va()
877 	dev_dbg(&rproc->dev, "rproc %d attached\n", rproc->index);  in zynqmp_r5_attach()
911  * zynqmp_r5_add_rproc_core() - Add core data to framework.
936 		return ERR_PTR(-ENOMEM);  in zynqmp_r5_add_rproc_core()
941 	r5_rproc->recovery_disabled = true;  in zynqmp_r5_add_rproc_core()
942 	r5_rproc->has_iommu = false;  in zynqmp_r5_add_rproc_core()
943 	r5_rproc->auto_boot = false;  in zynqmp_r5_add_rproc_core()
944 	r5_core = r5_rproc->priv;  in zynqmp_r5_add_rproc_core()
945 	r5_core->dev = cdev;  in zynqmp_r5_add_rproc_core()
946 	r5_core->np = dev_of_node(cdev);  in zynqmp_r5_add_rproc_core()
947 	if (!r5_core->np) {  in zynqmp_r5_add_rproc_core()
949 		ret = -EINVAL;  in zynqmp_r5_add_rproc_core()
961 	 * If firmware is already available in the memory then move rproc state  in zynqmp_r5_add_rproc_core()
962 	 * to DETACHED. Firmware can be preloaded via debugger or by any other  in zynqmp_r5_add_rproc_core()
964 	 * If firmware isn't available in the memory and resource table isn't  in zynqmp_r5_add_rproc_core()
968 		r5_rproc->state = RPROC_DETACHED;  in zynqmp_r5_add_rproc_core()
970 	r5_core->rproc = r5_rproc;  in zynqmp_r5_add_rproc_core()
980 	struct device_node *np = r5_core->np;  in zynqmp_r5_get_sram_banks()
981 	struct device *dev = r5_core->dev;  in zynqmp_r5_get_sram_banks()
988 	if (!of_property_present(r5_core->np, "sram"))  in zynqmp_r5_get_sram_banks()
995 		return -EINVAL;  in zynqmp_r5_get_sram_banks()
1001 		return -ENOMEM;  in zynqmp_r5_get_sram_banks()
1007 			return -EINVAL;  in zynqmp_r5_get_sram_banks()
1012 			ret = -EINVAL;  in zynqmp_r5_get_sram_banks()
1038 	r5_core->sram = sram;  in zynqmp_r5_get_sram_banks()
1039 	r5_core->num_sram = num_sram;  in zynqmp_r5_get_sram_banks()
1061 	for (i = 0; i < cluster->core_count; i++) {  in zynqmp_r5_get_tcm_node_from_dt()
1062 		r5_core = cluster->r5_cores[i];  in zynqmp_r5_get_tcm_node_from_dt()
1063 		dev = r5_core->dev;  in zynqmp_r5_get_tcm_node_from_dt()
1064 		np = r5_core->np;  in zynqmp_r5_get_tcm_node_from_dt()
1066 		pd_count = of_count_phandle_with_args(np, "power-domains",  in zynqmp_r5_get_tcm_node_from_dt()
1067 						      "#power-domain-cells");  in zynqmp_r5_get_tcm_node_from_dt()
1070 			dev_err(dev, "invalid power-domains property, %d\n", pd_count);  in zynqmp_r5_get_tcm_node_from_dt()
1071 			return -EINVAL;  in zynqmp_r5_get_tcm_node_from_dt()
1074 		/* First entry in power-domains list is for r5 core, rest for TCM. */  in zynqmp_r5_get_tcm_node_from_dt()
1075 		tcm_bank_count = pd_count - 1;  in zynqmp_r5_get_tcm_node_from_dt()
1079 			return -EINVAL;  in zynqmp_r5_get_tcm_node_from_dt()
1082 		r5_core->tcm_banks = devm_kcalloc(dev, tcm_bank_count,  in zynqmp_r5_get_tcm_node_from_dt()
1085 		if (!r5_core->tcm_banks)  in zynqmp_r5_get_tcm_node_from_dt()
1086 			return -ENOMEM;  in zynqmp_r5_get_tcm_node_from_dt()
1088 		r5_core->tcm_bank_count = tcm_bank_count;  in zynqmp_r5_get_tcm_node_from_dt()
1093 				return -ENOMEM;  in zynqmp_r5_get_tcm_node_from_dt()
1095 			r5_core->tcm_banks[j] = tcm;  in zynqmp_r5_get_tcm_node_from_dt()
1097 			/* Get power-domains id of TCM. */  in zynqmp_r5_get_tcm_node_from_dt()
1098 			ret = of_parse_phandle_with_args(np, "power-domains",  in zynqmp_r5_get_tcm_node_from_dt()
1099 							 "#power-domain-cells",  in zynqmp_r5_get_tcm_node_from_dt()
1102 				dev_err(r5_core->dev,  in zynqmp_r5_get_tcm_node_from_dt()
1107 			tcm->pm_domain_id = out_args.args[0];  in zynqmp_r5_get_tcm_node_from_dt()
1119 			 * so convert 64-bits into 32-bits. This will discard  in zynqmp_r5_get_tcm_node_from_dt()
1120 			 * any unwanted upper 32-bits.  in zynqmp_r5_get_tcm_node_from_dt()
1122 			tcm->da = (u32)abs_addr;  in zynqmp_r5_get_tcm_node_from_dt()
1123 			tcm->size = (u32)size;  in zynqmp_r5_get_tcm_node_from_dt()
1129 				return -EINVAL;  in zynqmp_r5_get_tcm_node_from_dt()
1132 			tcm->addr = (u32)res->start;  in zynqmp_r5_get_tcm_node_from_dt()
1133 			tcm->bank_name = (char *)res->name;  in zynqmp_r5_get_tcm_node_from_dt()
1134 			res = devm_request_mem_region(dev, tcm->addr, tcm->size,  in zynqmp_r5_get_tcm_node_from_dt()
1135 						      tcm->bank_name);  in zynqmp_r5_get_tcm_node_from_dt()
1138 				return -EINVAL;  in zynqmp_r5_get_tcm_node_from_dt()
1147  * zynqmp_r5_get_tcm_node() - Get TCM info
1150  * This approach is used as TCM bindings for system-dt is being developed
1159 	struct device *dev = cluster->dev;  in zynqmp_r5_get_tcm_node()
1164 	if (cluster->mode == SPLIT_MODE) {  in zynqmp_r5_get_tcm_node()
1173 	tcm_bank_count = tcm_bank_count / cluster->core_count;  in zynqmp_r5_get_tcm_node()
1181 	for (i = 0; i < cluster->core_count; i++) {  in zynqmp_r5_get_tcm_node()
1182 		r5_core = cluster->r5_cores[i];  in zynqmp_r5_get_tcm_node()
1183 		r5_core->tcm_banks = devm_kcalloc(dev, tcm_bank_count,  in zynqmp_r5_get_tcm_node()
1186 		if (!r5_core->tcm_banks)  in zynqmp_r5_get_tcm_node()
1187 			return -ENOMEM;  in zynqmp_r5_get_tcm_node()
1191 			 * Use pre-defined TCM reg values.  in zynqmp_r5_get_tcm_node()
1195 			r5_core->tcm_banks[j] =  in zynqmp_r5_get_tcm_node()
1200 		r5_core->tcm_bank_count = tcm_bank_count;  in zynqmp_r5_get_tcm_node()
1211  * @fw_reg_val: value expected by firmware to configure RPU cluster mode
1220 	struct device *dev = cluster->dev;  in zynqmp_r5_core_init()
1222 	int ret = -EINVAL, i;  in zynqmp_r5_core_init()
1224 	r5_core = cluster->r5_cores[0];  in zynqmp_r5_core_init()
1227 	if (of_property_present(r5_core->np, "reg"))  in zynqmp_r5_core_init()
1229 	else if (device_is_compatible(dev, "xlnx,zynqmp-r5fss"))  in zynqmp_r5_core_init()
1237 	for (i = 0; i < cluster->core_count; i++) {  in zynqmp_r5_core_init()
1238 		r5_core = cluster->r5_cores[i];  in zynqmp_r5_core_init()
1240 		/* Initialize r5 cores with power-domains parsed from dts */  in zynqmp_r5_core_init()
1241 		ret = of_property_read_u32_index(r5_core->np, "power-domains",  in zynqmp_r5_core_init()
1242 						 1, &r5_core->pm_domain_id);  in zynqmp_r5_core_init()
1244 			dev_err(dev, "failed to get power-domains property\n");  in zynqmp_r5_core_init()
1248 		ret = zynqmp_pm_set_rpu_mode(r5_core->pm_domain_id, fw_reg_val);  in zynqmp_r5_core_init()
1250 			dev_err(r5_core->dev, "failed to set RPU mode\n");  in zynqmp_r5_core_init()
1254 		if (of_property_present(dev_of_node(dev), "xlnx,tcm-mode") ||  in zynqmp_r5_core_init()
1255 		    device_is_compatible(dev, "xlnx,zynqmp-r5fss")) {  in zynqmp_r5_core_init()
1256 			ret = zynqmp_pm_set_tcm_config(r5_core->pm_domain_id,  in zynqmp_r5_core_init()
1259 				dev_err(r5_core->dev, "failed to configure TCM\n");  in zynqmp_r5_core_init()
1283 	struct device *dev = cluster->dev;  in zynqmp_r5_cluster_init()
1294 	ret = of_property_read_u32(dev_node, "xlnx,cluster-mode", &cluster_mode);  in zynqmp_r5_cluster_init()
1297 	 * on success returns 0, if not defined then returns -EINVAL,  in zynqmp_r5_cluster_init()
1301 	if (ret != -EINVAL && ret != 0) {  in zynqmp_r5_cluster_init()
1302 		dev_err(dev, "Invalid xlnx,cluster-mode property\n");  in zynqmp_r5_cluster_init()
1316 		return -EINVAL;  in zynqmp_r5_cluster_init()
1319 	if (of_property_present(dev_node, "xlnx,tcm-mode")) {  in zynqmp_r5_cluster_init()
1320 		ret = of_property_read_u32(dev_node, "xlnx,tcm-mode", (u32 *)&tcm_mode);  in zynqmp_r5_cluster_init()
1323 	} else if (device_is_compatible(dev, "xlnx,zynqmp-r5fss")) {  in zynqmp_r5_cluster_init()
1350 		return -EINVAL;  in zynqmp_r5_cluster_init()
1358 		return -ENOMEM;  in zynqmp_r5_cluster_init()
1364 		return -ENOMEM;  in zynqmp_r5_cluster_init()
1372 			ret = -ENODEV;  in zynqmp_r5_cluster_init()
1376 		child_devs[i] = &child_pdev->dev;  in zynqmp_r5_cluster_init()
1379 		r5_cores[i] = zynqmp_r5_add_rproc_core(&child_pdev->dev);  in zynqmp_r5_cluster_init()
1391 		ipi = zynqmp_r5_setup_mbox(&child_pdev->dev);  in zynqmp_r5_cluster_init()
1393 			r5_cores[i]->ipi = ipi;  in zynqmp_r5_cluster_init()
1394 			ipi->r5_core = r5_cores[i];  in zynqmp_r5_cluster_init()
1409 	cluster->mode = cluster_mode;  in zynqmp_r5_cluster_init()
1410 	cluster->core_count = core_count;  in zynqmp_r5_cluster_init()
1411 	cluster->r5_cores = r5_cores;  in zynqmp_r5_cluster_init()
1416 		cluster->core_count = 0;  in zynqmp_r5_cluster_init()
1417 		cluster->r5_cores = NULL;  in zynqmp_r5_cluster_init()
1423 		i = core_count - 1;  in zynqmp_r5_cluster_init()
1434 			zynqmp_r5_free_mbox(r5_cores[i]->ipi);  in zynqmp_r5_cluster_init()
1435 			of_reserved_mem_device_release(r5_cores[i]->dev);  in zynqmp_r5_cluster_init()
1436 			rproc_del(r5_cores[i]->rproc);  in zynqmp_r5_cluster_init()
1437 			rproc_free(r5_cores[i]->rproc);  in zynqmp_r5_cluster_init()
1439 		i--;  in zynqmp_r5_cluster_init()
1457 	for (i = 0; i < cluster->core_count; i++) {  in zynqmp_r5_cluster_exit()
1458 		r5_core = cluster->r5_cores[i];  in zynqmp_r5_cluster_exit()
1459 		zynqmp_r5_free_mbox(r5_core->ipi);  in zynqmp_r5_cluster_exit()
1460 		iounmap(r5_core->rsc_tbl_va);  in zynqmp_r5_cluster_exit()
1461 		of_reserved_mem_device_release(r5_core->dev);  in zynqmp_r5_cluster_exit()
1462 		put_device(r5_core->dev);  in zynqmp_r5_cluster_exit()
1463 		rproc_del(r5_core->rproc);  in zynqmp_r5_cluster_exit()
1464 		rproc_free(r5_core->rproc);  in zynqmp_r5_cluster_exit()
1467 	kfree(cluster->r5_cores);  in zynqmp_r5_cluster_exit()
1490 	for (i = 0; i < cluster->core_count; i++) {  in zynqmp_r5_remoteproc_shutdown()
1491 		r5_core = cluster->r5_cores[i];  in zynqmp_r5_remoteproc_shutdown()
1492 		rproc = r5_core->rproc;  in zynqmp_r5_remoteproc_shutdown()
1494 		if (rproc->state == RPROC_RUNNING) {  in zynqmp_r5_remoteproc_shutdown()
1497 		} else if (rproc->state == RPROC_ATTACHED) {  in zynqmp_r5_remoteproc_shutdown()
1505 			dev_err(cluster->dev, "failed to %s rproc %d\n",  in zynqmp_r5_remoteproc_shutdown()
1506 				rproc_state_str, rproc->index);  in zynqmp_r5_remoteproc_shutdown()
1513  * parse device-tree, initialize hardware and allocate required resources
1523 	struct device *dev = &pdev->dev;  in zynqmp_r5_remoteproc_probe()
1528 		return -ENOMEM;  in zynqmp_r5_remoteproc_probe()
1530 	cluster->dev = dev;  in zynqmp_r5_remoteproc_probe()
1559 	{ .compatible = "xlnx,versal-net-r52fss", },
1560 	{ .compatible = "xlnx,versal-r5fss", },
1561 	{ .compatible = "xlnx,zynqmp-r5fss", },