Lines Matching +full:r5f +full:- +full:0
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
37 SPLIT_MODE = 0, /* When cores run as separate processor */
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.
116 {0xffe00000UL, 0x0, 0x10000UL, PD_R5_0_ATCM, "atcm0"}, /* TCM 64KB each */
117 {0xffe20000UL, 0x20000, 0x10000UL, PD_R5_0_BTCM, "btcm0"},
118 {0xffe90000UL, 0x0, 0x10000UL, PD_R5_1_ATCM, "atcm1"},
119 {0xffeb0000UL, 0x20000, 0x10000UL, PD_R5_1_BTCM, "btcm1"},
124 {0xffe00000UL, 0x0, 0x10000UL, PD_R5_0_ATCM, "atcm0"}, /* TCM 64KB each */
125 {0xffe20000UL, 0x20000, 0x10000UL, PD_R5_0_BTCM, "btcm0"},
126 {0xffe10000UL, 0x10000, 0x10000UL, PD_R5_1_ATCM, "atcm1"},
127 {0xffe30000UL, 0x30000, 0x10000UL, PD_R5_1_BTCM, "btcm1"},
131 * struct zynqmp_r5_core - remoteproc core's internal data
160 * struct zynqmp_r5_cluster - remoteproc cluster's internal data
162 * @dev: r5f subsystem cluster device node
175 * event_notified_idr_cb() - callback for vq_interrupt per notifyid
176 * @id: rproc->notify id
182 * Return: 0. having return is to satisfy the idr_for_each() function
190 dev_dbg(&rproc->dev, "data not found for vqid=%d\n", id); in event_notified_idr_cb()
192 return 0; in event_notified_idr_cb()
196 * handle_event_notified() - remoteproc notification work function
207 rproc = ipi->r5_core->rproc; 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()
342 if (ret < 0) 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()
366 * Exception vectors can start either from 0x0000_0000 (LOVEC) or in zynqmp_r5_rproc_start()
367 * from 0xFFFF_0000 (HIVEC) which is mapped in the OCM (On-Chip Memory) 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()
386 ZYNQMP_PM_CAPABILITY_ACCESS, 0, in zynqmp_r5_rproc_start()
388 if (ret < 0) { 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()
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()
464 return 0; in zynqmp_r5_mem_region_map()
472 * Unmap memory-region carveout
474 * return: always returns 0
479 iounmap((void __iomem *)mem->va); in zynqmp_r5_mem_region_unmap()
480 return 0; 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
497 int i = 0; in add_mem_regions_carveout()
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()
504 while (of_phandle_iterator_next(&it) == 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()
541 return 0; 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()
580 return 0; in add_sram_carveouts()
590 * return always 0
594 iounmap((void __iomem *)mem->va); in tcm_mem_unmap()
596 return 0; 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()
624 return 0; 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()
656 for (i = 0; i < num_banks; i++) { 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()
664 ZYNQMP_PM_CAPABILITY_ACCESS, 0, in add_tcm_banks()
666 if (ret < 0) { in add_tcm_banks()
667 dev_err(dev, "failed to turn on TCM 0x%x", pm_domain_id); in add_tcm_banks()
671 dev_dbg(dev, "TCM carveout %s addr=%llx, da=0x%x, size=0x%lx", in add_tcm_banks()
679 if (rproc->state == RPROC_DETACHED) in add_tcm_banks()
687 ret = -ENOMEM; in add_tcm_banks()
696 return 0; 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()
714 * return 0 on success, otherwise non-zero value on failure
721 if (ret == -EINVAL) { in zynqmp_r5_parse_fw()
728 dev_info(&rproc->dev, "no resource table found.\n"); in zynqmp_r5_parse_fw()
729 ret = 0; in zynqmp_r5_parse_fw()
735 * zynqmp_r5_rproc_prepare() - prepare core to boot/attach
740 * Return: 0 for success else < 0 error code
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()
764 return 0; in zynqmp_r5_rproc_prepare()
768 * zynqmp_r5_rproc_unprepare() - programming sequence after stop/detach.
769 * Turns off TCM banks using power-domain id
773 * Return: always 0
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()
787 "can't turn off TCM bank 0x%x", pm_domain_id); in zynqmp_r5_rproc_unprepare()
790 return 0; 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()
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()
827 ret = of_address_to_resource(np, 0, &res_mem); 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()
872 return 0; in zynqmp_r5_get_rsc_table_va()
877 dev_dbg(&rproc->dev, "rproc %d attached\n", rproc->index); in zynqmp_r5_attach()
879 return 0; in zynqmp_r5_attach()
889 zynqmp_r5_rproc_kick(rproc, 0); in zynqmp_r5_detach()
891 return 0; in zynqmp_r5_detach()
911 * zynqmp_r5_add_rproc_core() - Add core data to framework.
912 * Allocate and add struct rproc object for each r5f core
913 * This is called for each individual r5f core
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()
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()
989 return 0; in zynqmp_r5_get_sram_banks()
992 if (num_sram <= 0) { in zynqmp_r5_get_sram_banks()
995 return -EINVAL; in zynqmp_r5_get_sram_banks()
1001 return -ENOMEM; in zynqmp_r5_get_sram_banks()
1003 for (i = 0; i < num_sram; i++) { in zynqmp_r5_get_sram_banks()
1007 return -EINVAL; in zynqmp_r5_get_sram_banks()
1012 ret = -EINVAL; in zynqmp_r5_get_sram_banks()
1016 ret = of_address_to_resource(sram_np, 0, &sram[i].sram_res); in zynqmp_r5_get_sram_banks()
1033 dev_dbg(dev, "sram %d: name=%s, addr=0x%llx, da=0x%x, size=0x%llx\n", 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()
1041 return 0; 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()
1069 if (pd_count <= 0) { 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()
1077 if (tcm_bank_count <= 0) { 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()
1089 for (j = 0, tcm_pd_idx = 1; j < tcm_bank_count; j++, tcm_pd_idx++) { 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()
1143 return 0; 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
1154 * Return: 0 for success and < 0 error code for failure.
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()
1176 * r5 core 0 will use all of TCM banks in lockstep mode. in zynqmp_r5_get_tcm_node()
1180 tcm_node = 0; 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()
1189 for (j = 0; j < tcm_bank_count; j++) { 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()
1203 return 0; in zynqmp_r5_get_tcm_node()
1214 * Return: 0 for success and error code for failure.
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()
1249 if (ret < 0) { 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()
1258 if (ret < 0) { in zynqmp_r5_core_init()
1259 dev_err(r5_core->dev, "failed to configure TCM\n"); in zynqmp_r5_core_init()
1269 return 0; in zynqmp_r5_core_init()
1278 * Return: 0 for success and error code for failure.
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()
1299 * returns relative error code < 0. 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()
1334 * r5f subsystem node in dts. in zynqmp_r5_cluster_init()
1348 if (core_count == 0 || core_count > 2) { 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()
1367 i = 0; 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()
1414 if (ret < 0) { 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()
1428 return 0; in zynqmp_r5_cluster_init()
1431 while (i >= 0) { 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()
1486 int i, ret = 0; in zynqmp_r5_remoteproc_shutdown()
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()
1501 ret = 0; 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
1518 * Return: 0 for success and < 0 for failure.
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()
1546 dev_err_probe(dev, ret, "Invalid r5f subsystem device tree\n"); in zynqmp_r5_remoteproc_probe()
1554 return 0; in zynqmp_r5_remoteproc_probe()
1559 { .compatible = "xlnx,versal-net-r52fss", },
1560 { .compatible = "xlnx,versal-r5fss", },
1561 { .compatible = "xlnx,zynqmp-r5fss", },
1576 MODULE_DESCRIPTION("Xilinx R5F remote processor driver");