Lines Matching +full:syscfg +full:- +full:rsc +full:- +full:tbl
1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) STMicroelectronics 2018 - All Rights Reserved
8 #include <linux/arm-smccc.h>
9 #include <linux/dma-mapping.h>
98 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_pa_to_da()
101 for (i = 0; i < ddata->nb_rmems; i++) { in stm32_rproc_pa_to_da()
102 p_mem = &ddata->rmems[i]; in stm32_rproc_pa_to_da()
104 if (pa < p_mem->bus_addr || in stm32_rproc_pa_to_da()
105 pa >= p_mem->bus_addr + p_mem->size) in stm32_rproc_pa_to_da()
107 *da = pa - p_mem->bus_addr + p_mem->dev_addr; in stm32_rproc_pa_to_da()
108 dev_dbg(rproc->dev.parent, "pa %pa to da %llx\n", &pa, *da); in stm32_rproc_pa_to_da()
112 return -EINVAL; in stm32_rproc_pa_to_da()
118 struct device *dev = rproc->dev.parent; in stm32_rproc_mem_alloc()
121 dev_dbg(dev, "map memory: %pa+%x\n", &mem->dma, mem->len); in stm32_rproc_mem_alloc()
122 va = ioremap_wc(mem->dma, mem->len); in stm32_rproc_mem_alloc()
125 &mem->dma, mem->len); in stm32_rproc_mem_alloc()
126 return -ENOMEM; in stm32_rproc_mem_alloc()
130 mem->va = va; in stm32_rproc_mem_alloc()
138 dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma); in stm32_rproc_mem_release()
139 iounmap(mem->va); in stm32_rproc_mem_release()
147 struct device *parent, *dev = &pdev->dev; in stm32_rproc_of_memory_translations()
153 parent = dev->parent; in stm32_rproc_of_memory_translations()
154 np = parent->of_node; in stm32_rproc_of_memory_translations()
156 cnt = of_property_count_elems_of_size(np, "dma-ranges", in stm32_rproc_of_memory_translations()
159 dev_err(dev, "%s: dma-ranges property not defined\n", __func__); in stm32_rproc_of_memory_translations()
160 return -EINVAL; in stm32_rproc_of_memory_translations()
165 return -ENOMEM; in stm32_rproc_of_memory_translations()
168 return -ENOMEM; in stm32_rproc_of_memory_translations()
172 ret = of_property_read_u32_array(np, "dma-ranges", in stm32_rproc_of_memory_translations()
175 dev_err(dev, "error while get dma-ranges property: %x\n", ret); in stm32_rproc_of_memory_translations()
189 ddata->rmems = p_mems; in stm32_rproc_of_memory_translations()
190 ddata->nb_rmems = cnt; in stm32_rproc_of_memory_translations()
199 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_mbox_idx()
202 for (i = 0; i < ARRAY_SIZE(ddata->mb); i++) { in stm32_rproc_mbox_idx()
203 if (!strncmp(ddata->mb[i].name, name, strlen(name))) in stm32_rproc_mbox_idx()
206 dev_err(&rproc->dev, "mailbox %s not found\n", name); in stm32_rproc_mbox_idx()
208 return -EINVAL; in stm32_rproc_mbox_idx()
213 struct device *dev = rproc->dev.parent; in stm32_rproc_prepare()
214 struct device_node *np = dev->of_node; in stm32_rproc_prepare()
222 of_phandle_iterator_init(&it, np, "memory-region", NULL, 0); in stm32_rproc_prepare()
226 dev_err(dev, "unable to acquire memory-region\n"); in stm32_rproc_prepare()
227 return -EINVAL; in stm32_rproc_prepare()
230 if (stm32_rproc_pa_to_da(rproc, rmem->base, &da) < 0) { in stm32_rproc_prepare()
232 &rmem->base); in stm32_rproc_prepare()
233 return -EINVAL; in stm32_rproc_prepare()
237 if (strcmp(it.node->name, "vdev0buffer")) { in stm32_rproc_prepare()
240 (dma_addr_t)rmem->base, in stm32_rproc_prepare()
241 rmem->size, da, in stm32_rproc_prepare()
244 it.node->name); in stm32_rproc_prepare()
248 rmem->size); in stm32_rproc_prepare()
252 rmem->size, in stm32_rproc_prepare()
253 rmem->base, in stm32_rproc_prepare()
254 it.node->name); in stm32_rproc_prepare()
258 return -ENOMEM; in stm32_rproc_prepare()
270 dev_warn(&rproc->dev, "no resource table found for this firmware\n"); in stm32_rproc_parse_fw()
288 struct rproc *rproc = dev_get_drvdata(mb->client.dev); in stm32_rproc_mb_vq_work()
290 if (rproc_vq_interrupt(rproc, mb->vq_id) == IRQ_NONE) in stm32_rproc_mb_vq_work()
291 dev_dbg(&rproc->dev, "no message found in vq%d\n", mb->vq_id); in stm32_rproc_mb_vq_work()
296 struct rproc *rproc = dev_get_drvdata(cl->dev); in stm32_rproc_mb_callback()
298 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_mb_callback()
300 queue_work(ddata->workqueue, &mb->vq_work); in stm32_rproc_mb_callback()
305 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_free_mbox()
308 for (i = 0; i < ARRAY_SIZE(ddata->mb); i++) { in stm32_rproc_free_mbox()
309 if (ddata->mb[i].chan) in stm32_rproc_free_mbox()
310 mbox_free_channel(ddata->mb[i].chan); in stm32_rproc_free_mbox()
311 ddata->mb[i].chan = NULL; in stm32_rproc_free_mbox()
334 .vq_id = -1,
343 .vq_id = -1,
354 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_request_mbox()
355 struct device *dev = &rproc->dev; in stm32_rproc_request_mbox()
362 memcpy(ddata->mb, stm32_rproc_mbox, sizeof(stm32_rproc_mbox)); in stm32_rproc_request_mbox()
365 name = ddata->mb[i].name; in stm32_rproc_request_mbox()
367 cl = &ddata->mb[i].client; in stm32_rproc_request_mbox()
368 cl->dev = dev->parent; in stm32_rproc_request_mbox()
370 ddata->mb[i].chan = mbox_request_channel_byname(cl, name); in stm32_rproc_request_mbox()
371 if (IS_ERR(ddata->mb[i].chan)) { in stm32_rproc_request_mbox()
372 if (PTR_ERR(ddata->mb[i].chan) == -EPROBE_DEFER) { in stm32_rproc_request_mbox()
373 dev_err_probe(dev->parent, in stm32_rproc_request_mbox()
374 PTR_ERR(ddata->mb[i].chan), in stm32_rproc_request_mbox()
380 ddata->mb[i].chan = NULL; in stm32_rproc_request_mbox()
382 if (ddata->mb[i].vq_id >= 0) { in stm32_rproc_request_mbox()
383 INIT_WORK(&ddata->mb[i].vq_work, in stm32_rproc_request_mbox()
391 for (j = i - 1; j >= 0; j--) in stm32_rproc_request_mbox()
392 if (ddata->mb[j].chan) in stm32_rproc_request_mbox()
393 mbox_free_channel(ddata->mb[j].chan); in stm32_rproc_request_mbox()
394 return -EPROBE_DEFER; in stm32_rproc_request_mbox()
399 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_set_hold_boot()
400 struct stm32_syscon hold_boot = ddata->hold_boot; in stm32_rproc_set_hold_boot()
406 if (IS_ENABLED(CONFIG_HAVE_ARM_SMCCC) && ddata->secured_soc) { in stm32_rproc_set_hold_boot()
416 dev_err(&rproc->dev, "failed to set hold boot\n"); in stm32_rproc_set_hold_boot()
427 list_for_each_entry(trace, &rproc->traces, node) { in stm32_rproc_add_coredump_trace()
430 list_for_each_entry(segment, &rproc->dump_segments, node) { in stm32_rproc_add_coredump_trace()
431 if (segment->da == trace->trace_mem.da) { in stm32_rproc_add_coredump_trace()
438 rproc_coredump_add_segment(rproc, trace->trace_mem.da, in stm32_rproc_add_coredump_trace()
439 trace->trace_mem.len); in stm32_rproc_add_coredump_trace()
445 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_start()
451 if (ddata->pdds.map) { in stm32_rproc_start()
452 err = regmap_update_bits(ddata->pdds.map, ddata->pdds.reg, in stm32_rproc_start()
453 ddata->pdds.mask, 0); in stm32_rproc_start()
455 dev_err(&rproc->dev, "failed to clear pdds\n"); in stm32_rproc_start()
476 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_detach()
481 if (idx >= 0 && ddata->mb[idx].chan) { in stm32_rproc_detach()
482 err = mbox_send_message(ddata->mb[idx].chan, "stop"); in stm32_rproc_detach()
484 dev_warn(&rproc->dev, "warning: remote FW detach without ack\n"); in stm32_rproc_detach()
487 /* Allow remote processor to auto-reboot */ in stm32_rproc_detach()
493 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_stop()
497 if (rproc->state != RPROC_OFFLINE) { in stm32_rproc_stop()
499 if (idx >= 0 && ddata->mb[idx].chan) { in stm32_rproc_stop()
500 err = mbox_send_message(ddata->mb[idx].chan, "detach"); in stm32_rproc_stop()
502 dev_warn(&rproc->dev, "warning: remote FW shutdown without ack\n"); in stm32_rproc_stop()
510 err = reset_control_assert(ddata->rst); in stm32_rproc_stop()
512 dev_err(&rproc->dev, "failed to assert the reset\n"); in stm32_rproc_stop()
517 if (ddata->pdds.map) { in stm32_rproc_stop()
518 err = regmap_update_bits(ddata->pdds.map, ddata->pdds.reg, in stm32_rproc_stop()
519 ddata->pdds.mask, 1); in stm32_rproc_stop()
521 dev_err(&rproc->dev, "failed to set pdds\n"); in stm32_rproc_stop()
527 if (ddata->m4_state.map) { in stm32_rproc_stop()
528 err = regmap_update_bits(ddata->m4_state.map, in stm32_rproc_stop()
529 ddata->m4_state.reg, in stm32_rproc_stop()
530 ddata->m4_state.mask, in stm32_rproc_stop()
533 dev_err(&rproc->dev, "failed to set copro state\n"); in stm32_rproc_stop()
543 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_kick()
551 if (vqid != ddata->mb[i].vq_id) in stm32_rproc_kick()
553 if (!ddata->mb[i].chan) in stm32_rproc_kick()
555 err = mbox_send_message(ddata->mb[i].chan, "kick"); in stm32_rproc_kick()
557 dev_err(&rproc->dev, "%s: failed (%s, err:%d)\n", in stm32_rproc_kick()
558 __func__, ddata->mb[i].name, err); in stm32_rproc_kick()
566 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_da_to_pa()
567 struct device *dev = rproc->dev.parent; in stm32_rproc_da_to_pa()
571 for (i = 0; i < ddata->nb_rmems; i++) { in stm32_rproc_da_to_pa()
572 p_mem = &ddata->rmems[i]; in stm32_rproc_da_to_pa()
574 if (da < p_mem->dev_addr || in stm32_rproc_da_to_pa()
575 da >= p_mem->dev_addr + p_mem->size) in stm32_rproc_da_to_pa()
578 *pa = da - p_mem->dev_addr + p_mem->bus_addr; in stm32_rproc_da_to_pa()
586 return -EINVAL; in stm32_rproc_da_to_pa()
592 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_get_loaded_rsc_table()
593 struct device *dev = rproc->dev.parent; in stm32_rproc_get_loaded_rsc_table()
599 if (ddata->rsc_va) in stm32_rproc_get_loaded_rsc_table()
602 err = regmap_read(ddata->rsctbl.map, ddata->rsctbl.reg, &rsc_da); in stm32_rproc_get_loaded_rsc_table()
604 dev_err(dev, "failed to read rsc tbl addr\n"); in stm32_rproc_get_loaded_rsc_table()
605 return ERR_PTR(-EINVAL); in stm32_rproc_get_loaded_rsc_table()
609 /* no rsc table */ in stm32_rproc_get_loaded_rsc_table()
610 return ERR_PTR(-ENOENT); in stm32_rproc_get_loaded_rsc_table()
616 ddata->rsc_va = devm_ioremap_wc(dev, rsc_pa, RSC_TBL_SIZE); in stm32_rproc_get_loaded_rsc_table()
617 if (IS_ERR_OR_NULL(ddata->rsc_va)) { in stm32_rproc_get_loaded_rsc_table()
620 ddata->rsc_va = NULL; in stm32_rproc_get_loaded_rsc_table()
621 return ERR_PTR(-ENOMEM); in stm32_rproc_get_loaded_rsc_table()
628 * firmware for the resource table. On detach, the remoteproc core re-initializes this in stm32_rproc_get_loaded_rsc_table()
629 * entire area by overwriting it with the initial values stored in rproc->clean_table. in stm32_rproc_get_loaded_rsc_table()
632 return (struct resource_table *)ddata->rsc_va; in stm32_rproc_get_loaded_rsc_table()
651 { .compatible = "st,stm32mp1-m4" },
661 syscon->map = syscon_regmap_lookup_by_phandle(np, prop); in stm32_rproc_get_syscon()
662 if (IS_ERR(syscon->map)) { in stm32_rproc_get_syscon()
663 err = PTR_ERR(syscon->map); in stm32_rproc_get_syscon()
664 syscon->map = NULL; in stm32_rproc_get_syscon()
668 err = of_property_read_u32_index(np, prop, 1, &syscon->reg); in stm32_rproc_get_syscon()
672 err = of_property_read_u32_index(np, prop, 2, &syscon->mask); in stm32_rproc_get_syscon()
681 struct device *dev = &pdev->dev; in stm32_rproc_parse_dt()
682 struct device_node *np = dev->of_node; in stm32_rproc_parse_dt()
688 if (irq == -EPROBE_DEFER) in stm32_rproc_parse_dt()
698 ddata->wdg_irq = irq; in stm32_rproc_parse_dt()
700 if (of_property_read_bool(np, "wakeup-source")) { in stm32_rproc_parse_dt()
708 ddata->rst = devm_reset_control_get_by_index(dev, 0); in stm32_rproc_parse_dt()
709 if (IS_ERR(ddata->rst)) in stm32_rproc_parse_dt()
710 return dev_err_probe(dev, PTR_ERR(ddata->rst), in stm32_rproc_parse_dt()
718 err = stm32_rproc_get_syscon(np, "st,syscfg-tz", &tz); in stm32_rproc_parse_dt()
720 dev_err(dev, "failed to get tz syscfg\n"); in stm32_rproc_parse_dt()
729 ddata->secured_soc = tzen & tz.mask; in stm32_rproc_parse_dt()
731 err = stm32_rproc_get_syscon(np, "st,syscfg-holdboot", in stm32_rproc_parse_dt()
732 &ddata->hold_boot); in stm32_rproc_parse_dt()
738 err = stm32_rproc_get_syscon(np, "st,syscfg-pdds", &ddata->pdds); in stm32_rproc_parse_dt()
742 *auto_boot = of_property_read_bool(np, "st,auto-boot"); in stm32_rproc_parse_dt()
748 err = stm32_rproc_get_syscon(np, "st,syscfg-m4-state", in stm32_rproc_parse_dt()
749 &ddata->m4_state); in stm32_rproc_parse_dt()
752 ddata->m4_state.map = NULL; in stm32_rproc_parse_dt()
761 err = stm32_rproc_get_syscon(np, "st,syscfg-rsc-tbl", in stm32_rproc_parse_dt()
762 &ddata->rsctbl); in stm32_rproc_parse_dt()
764 /* no rsc table syscon (optional) */ in stm32_rproc_parse_dt()
765 dev_warn(dev, "rsc tbl syscon not supported\n"); in stm32_rproc_parse_dt()
775 if (!ddata->m4_state.map) { in stm32_rproc_get_m4_status()
784 return regmap_read(ddata->m4_state.map, ddata->m4_state.reg, state); in stm32_rproc_get_m4_status()
789 struct device *dev = &pdev->dev; in stm32_rproc_probe()
791 struct device_node *np = dev->of_node; in stm32_rproc_probe()
800 rproc = rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata)); in stm32_rproc_probe()
802 return -ENOMEM; in stm32_rproc_probe()
804 ddata = rproc->priv; in stm32_rproc_probe()
808 ret = stm32_rproc_parse_dt(pdev, ddata, &rproc->auto_boot); in stm32_rproc_probe()
821 rproc->state = RPROC_DETACHED; in stm32_rproc_probe()
823 rproc->has_iommu = false; in stm32_rproc_probe()
824 ddata->workqueue = create_workqueue(dev_name(dev)); in stm32_rproc_probe()
825 if (!ddata->workqueue) { in stm32_rproc_probe()
827 ret = -ENOMEM; in stm32_rproc_probe()
846 destroy_workqueue(ddata->workqueue); in stm32_rproc_probe()
861 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_remove()
862 struct device *dev = &pdev->dev; in stm32_rproc_remove()
864 if (atomic_read(&rproc->power) > 0) in stm32_rproc_remove()
869 destroy_workqueue(ddata->workqueue); in stm32_rproc_remove()
883 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_suspend()
886 return enable_irq_wake(ddata->wdg_irq); in stm32_rproc_suspend()
894 struct stm32_rproc *ddata = rproc->priv; in stm32_rproc_resume()
897 return disable_irq_wake(ddata->wdg_irq); in stm32_rproc_resume()
909 .name = "stm32-rproc",