Lines Matching +full:device +full:- +full:sram
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2017-2020 Texas Instruments Incorporated - https://www.ti.com/
6 * Suman Anna <s-anna@ti.com>
9 #include <linux/dma-mapping.h>
18 #include <linux/omap-mailbox.h>
32 /* R5 TI-SCI Processor Configuration Flags */
42 /* R5 TI-SCI Processor Control Flags */
45 /* R5 TI-SCI Processor Status Flags */
52 * struct k3_r5_mem - internal memory structure
55 * @dev_addr: Device address from remoteproc view
71 * struct k3_r5_cluster - K3 R5F Cluster structure
72 * @dev: cached device pointer
73 * @mode: Mode to configure the Cluster - Split or LockStep
77 struct device *dev;
83 * struct k3_r5_core - K3 R5 core structure
85 * @dev: cached device pointer
88 * @sram: on-chip SRAM memory regions data
90 * @num_sram: number of on-chip SRAM memory regions
92 * @tsp: TI-SCI processor control handle
93 * @ti_sci: TI-SCI handle
94 * @ti_sci_id: TI-SCI device identifier
97 * @loczrama: flag to dictate which TCM is at device address 0x0
101 struct device *dev;
104 struct k3_r5_mem *sram; member
117 * struct k3_r5_rproc - K3 remote processor state
118 * @dev: cached device pointer
128 struct device *dev;
139 * k3_r5_rproc_mbox_callback() - inbound mailbox message handler
148 * In addition to virtqueue indices, we also have some out-of-band values
156 struct device *dev = kproc->rproc->dev.parent; in k3_r5_rproc_mbox_callback()
157 const char *name = kproc->rproc->name; in k3_r5_rproc_mbox_callback()
177 if (msg > kproc->rproc->max_notifyid) { in k3_r5_rproc_mbox_callback()
182 if (rproc_vq_interrupt(kproc->rproc, msg) == IRQ_NONE) in k3_r5_rproc_mbox_callback()
190 struct k3_r5_rproc *kproc = rproc->priv; in k3_r5_rproc_kick()
191 struct device *dev = rproc->dev.parent; in k3_r5_rproc_kick()
196 ret = mbox_send_message(kproc->mbox, (void *)msg); in k3_r5_rproc_kick()
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()
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()
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()
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()
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()
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()
341 return ti_sci_proc_set_control(core->tsp, in k3_r5_core_halt()
347 return ti_sci_proc_set_control(core->tsp, in k3_r5_core_run()
353 * execution from DDR requires the initial boot-strapping code to be run
361 struct k3_r5_rproc *kproc = rproc->priv; in k3_r5_rproc_prepare()
362 struct k3_r5_cluster *cluster = kproc->cluster; in k3_r5_rproc_prepare()
363 struct k3_r5_core *core = kproc->core; in k3_r5_rproc_prepare()
364 struct device *dev = kproc->dev; in k3_r5_rproc_prepare()
367 ret = (cluster->mode == CLUSTER_MODE_LOCKSTEP) ? 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()
392 * resets on all applicable cores for the rproc device (depending on LockStep
400 struct k3_r5_rproc *kproc = rproc->priv; in k3_r5_rproc_unprepare()
401 struct k3_r5_cluster *cluster = kproc->cluster; in k3_r5_rproc_unprepare()
402 struct k3_r5_core *core = kproc->core; in k3_r5_rproc_unprepare()
403 struct device *dev = kproc->dev; in k3_r5_rproc_unprepare()
406 ret = (cluster->mode == CLUSTER_MODE_LOCKSTEP) ? in k3_r5_rproc_unprepare()
421 * unhalt both the cores to start the execution - Core1 needs to be unhalted
422 * first followed by Core0. The Split-mode requires that Core0 to be maintained
428 struct k3_r5_rproc *kproc = rproc->priv; in k3_r5_rproc_start()
429 struct k3_r5_cluster *cluster = kproc->cluster; in k3_r5_rproc_start()
430 struct mbox_client *client = &kproc->client; in k3_r5_rproc_start()
431 struct device *dev = kproc->dev; in k3_r5_rproc_start()
436 client->dev = dev; in k3_r5_rproc_start()
437 client->tx_done = NULL; in k3_r5_rproc_start()
438 client->rx_callback = k3_r5_rproc_mbox_callback; in k3_r5_rproc_start()
439 client->tx_block = false; in k3_r5_rproc_start()
440 client->knows_txdone = false; in k3_r5_rproc_start()
442 kproc->mbox = mbox_request_channel(client, 0); in k3_r5_rproc_start()
443 if (IS_ERR(kproc->mbox)) { in k3_r5_rproc_start()
444 ret = -EBUSY; in k3_r5_rproc_start()
446 PTR_ERR(kproc->mbox)); in k3_r5_rproc_start()
451 * Ping the remote processor, this is only for sanity-sake for now; in k3_r5_rproc_start()
457 ret = mbox_send_message(kproc->mbox, (void *)RP_MBOX_ECHO_REQUEST); in k3_r5_rproc_start()
463 boot_addr = rproc->bootaddr; 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()
474 if (cluster->mode == CLUSTER_MODE_LOCKSTEP) { in k3_r5_rproc_start()
475 list_for_each_entry_reverse(core, &cluster->cores, elem) { in k3_r5_rproc_start()
489 list_for_each_entry_continue(core, &cluster->cores, elem) { in k3_r5_rproc_start()
491 dev_warn(core->dev, "core halt back failed\n"); in k3_r5_rproc_start()
494 mbox_free_channel(kproc->mbox); in k3_r5_rproc_start()
505 * performed first on Core0 followed by Core1. The Split-mode requires that
512 * be done here, but is preferred to be done in the .unprepare() ops - this
515 * flow and device bind/unbind or module removal.
519 struct k3_r5_rproc *kproc = rproc->priv; in k3_r5_rproc_stop()
520 struct k3_r5_cluster *cluster = kproc->cluster; in k3_r5_rproc_stop()
521 struct k3_r5_core *core = kproc->core; in k3_r5_rproc_stop()
525 if (cluster->mode == CLUSTER_MODE_LOCKSTEP) { in k3_r5_rproc_stop()
526 list_for_each_entry(core, &cluster->cores, elem) { in k3_r5_rproc_stop()
539 mbox_free_channel(kproc->mbox); in k3_r5_rproc_stop()
544 list_for_each_entry_from_reverse(core, &cluster->cores, elem) { in k3_r5_rproc_stop()
546 dev_warn(core->dev, "core run back failed\n"); in k3_r5_rproc_stop()
556 * translation (device address to kernel virtual address) for internal RAMs
557 * present in a DSP or IPU device). The translated addresses can be used
562 struct k3_r5_rproc *kproc = rproc->priv; in k3_r5_rproc_da_to_va()
563 struct k3_r5_core *core = kproc->core; in k3_r5_rproc_da_to_va()
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()
579 /* handle R5-view addresses of TCMs */ in k3_r5_rproc_da_to_va()
581 offset = da - dev_addr; in k3_r5_rproc_da_to_va()
582 va = core->mem[i].cpu_addr + offset; in k3_r5_rproc_da_to_va()
586 /* handle SoC-view addresses of TCMs */ in k3_r5_rproc_da_to_va()
588 offset = da - bus_addr; in k3_r5_rproc_da_to_va()
589 va = core->mem[i].cpu_addr + offset; in k3_r5_rproc_da_to_va()
594 /* handle any SRAM regions using SoC-view addresses */ 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()
600 offset = da - dev_addr; in k3_r5_rproc_da_to_va()
601 va = core->sram[i].cpu_addr + offset; in k3_r5_rproc_da_to_va()
607 for (i = 0; i < kproc->num_rmems; i++) { in k3_r5_rproc_da_to_va()
608 dev_addr = kproc->rmem[i].dev_addr; in k3_r5_rproc_da_to_va()
609 size = kproc->rmem[i].size; in k3_r5_rproc_da_to_va()
612 offset = da - dev_addr; in k3_r5_rproc_da_to_va()
613 va = kproc->rmem[i].cpu_addr + offset; in k3_r5_rproc_da_to_va()
633 * Each R5FSS has a cluster-level setting for configuring the processor
634 * subsystem either in a safety/fault-tolerant LockStep mode or a performance
641 * This function is used to pre-configure these settings for each R5F core, and
647 * once (in LockStep mode) or twice (in Split mode). Support for LockStep-mode
657 * This is overcome by switching to Split-mode initially and then programming
663 struct k3_r5_cluster *cluster = kproc->cluster; in k3_r5_rproc_configure()
664 struct device *dev = kproc->dev; in k3_r5_rproc_configure()
672 core0 = list_first_entry(&cluster->cores, struct k3_r5_core, elem); in k3_r5_rproc_configure()
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()
684 if (!lockstep_en && cluster->mode == CLUSTER_MODE_LOCKSTEP) { in k3_r5_rproc_configure()
685 dev_err(cluster->dev, "lockstep mode not permitted, force configuring for split-mode\n"); in k3_r5_rproc_configure()
686 cluster->mode = CLUSTER_MODE_SPLIT; in k3_r5_rproc_configure()
694 * LockStep configuration bit is Read-only on Split-mode _only_ 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()
717 if (cluster->mode == CLUSTER_MODE_LOCKSTEP) { in k3_r5_rproc_configure()
723 list_for_each_entry(temp, &cluster->cores, elem) { in k3_r5_rproc_configure()
732 ret = ti_sci_proc_set_config(temp->tsp, boot_vec, in k3_r5_rproc_configure()
740 ret = ti_sci_proc_set_config(core->tsp, boot_vec, in k3_r5_rproc_configure()
747 ret = ti_sci_proc_set_config(core->tsp, boot_vec, in k3_r5_rproc_configure()
757 struct device *dev = kproc->dev; in k3_r5_reserved_mem_init()
764 num_rmems = of_property_count_elems_of_size(np, "memory-region", in k3_r5_reserved_mem_init()
767 dev_err(dev, "device does not have reserved memory regions, ret = %d\n", in k3_r5_reserved_mem_init()
769 return -EINVAL; in k3_r5_reserved_mem_init()
772 dev_err(dev, "device needs atleast two memory regions to be defined, num = %d\n", in k3_r5_reserved_mem_init()
774 return -EINVAL; in k3_r5_reserved_mem_init()
780 dev_err(dev, "device cannot initialize DMA pool, ret = %d\n", in k3_r5_reserved_mem_init()
785 num_rmems--; in k3_r5_reserved_mem_init()
786 kproc->rmem = kcalloc(num_rmems, sizeof(*kproc->rmem), GFP_KERNEL); in k3_r5_reserved_mem_init()
787 if (!kproc->rmem) { in k3_r5_reserved_mem_init()
788 ret = -ENOMEM; in k3_r5_reserved_mem_init()
794 rmem_np = of_parse_phandle(np, "memory-region", i + 1); in k3_r5_reserved_mem_init()
796 ret = -EINVAL; in k3_r5_reserved_mem_init()
803 ret = -EINVAL; in k3_r5_reserved_mem_init()
808 kproc->rmem[i].bus_addr = rmem->base; in k3_r5_reserved_mem_init()
812 * the 32-bit processor addresses to 64-bit bus addresses. The in k3_r5_reserved_mem_init()
814 * is currently not supported, so 64-bit address regions are not in k3_r5_reserved_mem_init()
815 * supported. The absence of MMUs implies that the R5F device in k3_r5_reserved_mem_init()
816 * addresses/supported memory regions are restricted to 32-bit in k3_r5_reserved_mem_init()
819 kproc->rmem[i].dev_addr = (u32)rmem->base; in k3_r5_reserved_mem_init()
820 kproc->rmem[i].size = rmem->size; in k3_r5_reserved_mem_init()
821 kproc->rmem[i].cpu_addr = ioremap_wc(rmem->base, rmem->size); in k3_r5_reserved_mem_init()
822 if (!kproc->rmem[i].cpu_addr) { in k3_r5_reserved_mem_init()
824 i + 1, &rmem->base, &rmem->size); in k3_r5_reserved_mem_init()
825 ret = -ENOMEM; in k3_r5_reserved_mem_init()
830 i + 1, &kproc->rmem[i].bus_addr, in k3_r5_reserved_mem_init()
831 kproc->rmem[i].size, kproc->rmem[i].cpu_addr, in k3_r5_reserved_mem_init()
832 kproc->rmem[i].dev_addr); in k3_r5_reserved_mem_init()
834 kproc->num_rmems = num_rmems; in k3_r5_reserved_mem_init()
839 for (i--; i >= 0; i--) in k3_r5_reserved_mem_init()
840 iounmap(kproc->rmem[i].cpu_addr); in k3_r5_reserved_mem_init()
841 kfree(kproc->rmem); in k3_r5_reserved_mem_init()
851 for (i = 0; i < kproc->num_rmems; i++) in k3_r5_reserved_mem_exit()
852 iounmap(kproc->rmem[i].cpu_addr); in k3_r5_reserved_mem_exit()
853 kfree(kproc->rmem); in k3_r5_reserved_mem_exit()
855 of_reserved_mem_device_release(kproc->dev); in k3_r5_reserved_mem_exit()
861 struct device *dev = &pdev->dev; in k3_r5_cluster_rproc_init()
864 struct device *cdev; in k3_r5_cluster_rproc_init()
869 core1 = list_last_entry(&cluster->cores, struct k3_r5_core, elem); in k3_r5_cluster_rproc_init()
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()
874 dev_err(dev, "failed to parse firmware-name property, ret = %d\n", in k3_r5_cluster_rproc_init()
882 ret = -ENOMEM; in k3_r5_cluster_rproc_init()
887 rproc->has_iommu = false; in k3_r5_cluster_rproc_init()
889 rproc->recovery_disabled = true; in k3_r5_cluster_rproc_init()
891 kproc = rproc->priv; in k3_r5_cluster_rproc_init()
892 kproc->cluster = cluster; in k3_r5_cluster_rproc_init()
893 kproc->core = core; in k3_r5_cluster_rproc_init()
894 kproc->dev = cdev; in k3_r5_cluster_rproc_init()
895 kproc->rproc = rproc; in k3_r5_cluster_rproc_init()
896 core->rproc = rproc; in k3_r5_cluster_rproc_init()
919 if (cluster->mode == CLUSTER_MODE_LOCKSTEP) in k3_r5_cluster_rproc_init()
931 core->rproc = NULL; in k3_r5_cluster_rproc_init()
933 /* undo core0 upon any failures on core1 in split-mode */ in k3_r5_cluster_rproc_init()
934 if (cluster->mode == CLUSTER_MODE_SPLIT && core == core1) { in k3_r5_cluster_rproc_init()
936 rproc = core->rproc; in k3_r5_cluster_rproc_init()
937 kproc = rproc->priv; in k3_r5_cluster_rproc_init()
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()
956 list_first_entry(&cluster->cores, struct k3_r5_core, elem) : in k3_r5_cluster_rproc_exit()
957 list_last_entry(&cluster->cores, struct k3_r5_core, elem); 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()
961 kproc = rproc->priv; in k3_r5_cluster_rproc_exit()
968 core->rproc = NULL; in k3_r5_cluster_rproc_exit()
978 struct device *dev = &pdev->dev; in k3_r5_core_of_get_internal_memories()
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()
986 return -ENOMEM; in k3_r5_core_of_get_internal_memories()
994 return -EINVAL; in k3_r5_core_of_get_internal_memories()
996 if (!devm_request_mem_region(dev, res->start, in k3_r5_core_of_get_internal_memories()
1001 return -EBUSY; in k3_r5_core_of_get_internal_memories()
1005 * TCMs are designed in general to support RAM-like backing in k3_r5_core_of_get_internal_memories()
1006 * memories. So, map these as Normal Non-Cached memories. This in k3_r5_core_of_get_internal_memories()
1009 * functions (normally seen with device type memory). 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()
1015 return -ENOMEM; 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()
1049 struct device_node *np = pdev->dev.of_node; in k3_r5_core_of_get_sram_memories()
1050 struct device *dev = &pdev->dev; in k3_r5_core_of_get_sram_memories()
1056 num_sram = of_property_count_elems_of_size(np, "sram", sizeof(phandle)); in k3_r5_core_of_get_sram_memories()
1058 dev_dbg(dev, "device does not use reserved on-chip memories, num_sram = %d\n", in k3_r5_core_of_get_sram_memories()
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()
1065 return -ENOMEM; in k3_r5_core_of_get_sram_memories()
1068 sram_np = of_parse_phandle(np, "sram", i); in k3_r5_core_of_get_sram_memories()
1070 return -EINVAL; in k3_r5_core_of_get_sram_memories()
1074 return -EINVAL; in k3_r5_core_of_get_sram_memories()
1080 return -EINVAL; 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()
1088 dev_err(dev, "failed to parse and map sram%d memory at %pad\n", in k3_r5_core_of_get_sram_memories()
1090 return -ENOMEM; in k3_r5_core_of_get_sram_memories()
1093 dev_dbg(dev, "memory sram%d: bus addr %pa size 0x%zx va %pK da 0x%x\n", 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()
1104 struct ti_sci_proc *k3_r5_core_of_get_tsp(struct device *dev, in k3_r5_core_of_get_tsp()
1111 ret = of_property_read_u32_array(dev_of_node(dev), "ti,sci-proc-ids", in k3_r5_core_of_get_tsp()
1118 return ERR_PTR(-ENOMEM); in k3_r5_core_of_get_tsp()
1120 tsp->dev = dev; in k3_r5_core_of_get_tsp()
1121 tsp->sci = sci; in k3_r5_core_of_get_tsp()
1122 tsp->ops = &sci->ops.proc_ops; in k3_r5_core_of_get_tsp()
1123 tsp->proc_id = temp[0]; in k3_r5_core_of_get_tsp()
1124 tsp->host_id = temp[1]; in k3_r5_core_of_get_tsp()
1131 struct device *dev = &pdev->dev; in k3_r5_core_of_init()
1137 return -ENOMEM; in k3_r5_core_of_init()
1141 ret = -ENOMEM; in k3_r5_core_of_init()
1145 core->dev = dev; in k3_r5_core_of_init()
1147 * Use SoC Power-on-Reset values as default if no DT properties are 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()
1155 if (ret < 0 && ret != -EINVAL) { in k3_r5_core_of_init()
1156 dev_err(dev, "invalid format for ti,atcm-enable, ret = %d\n", 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()
1162 if (ret < 0 && ret != -EINVAL) { in k3_r5_core_of_init()
1163 dev_err(dev, "invalid format for ti,btcm-enable, ret = %d\n", in k3_r5_core_of_init()
1168 ret = of_property_read_u32(np, "ti,loczrama", &core->loczrama); in k3_r5_core_of_init()
1169 if (ret < 0 && ret != -EINVAL) { 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()
1177 if (ret != -EPROBE_DEFER) { in k3_r5_core_of_init()
1178 dev_err(dev, "failed to get ti-sci handle, ret = %d\n", 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()
1187 dev_err(dev, "missing 'ti,sci-dev-id' property\n"); 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()
1195 ret = -ENODEV; in k3_r5_core_of_init()
1196 if (ret != -EPROBE_DEFER) { 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()
1205 dev_err(dev, "failed to construct ti-sci proc control, ret = %d\n", in k3_r5_core_of_init()
1207 ret = PTR_ERR(core->tsp); in k3_r5_core_of_init()
1220 dev_err(dev, "failed to get sram memories, ret = %d\n", ret); in k3_r5_core_of_init()
1224 ret = ti_sci_proc_request(core->tsp); in k3_r5_core_of_init()
1247 struct device *dev = &pdev->dev; in k3_r5_core_of_exit()
1250 ret = ti_sci_proc_release(core->tsp); in k3_r5_core_of_exit()
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()
1274 struct device *dev = &pdev->dev; in k3_r5_cluster_of_init()
1284 ret = -ENODEV; in k3_r5_cluster_of_init()
1285 dev_err(dev, "could not get R5 core platform device\n"); in k3_r5_cluster_of_init()
1293 put_device(&cpdev->dev); in k3_r5_cluster_of_init()
1298 put_device(&cpdev->dev); in k3_r5_cluster_of_init()
1299 list_add_tail(&core->elem, &cluster->cores); in k3_r5_cluster_of_init()
1311 struct device *dev = &pdev->dev; in k3_r5_probe()
1319 return -ENOMEM; in k3_r5_probe()
1321 cluster->dev = dev; in k3_r5_probe()
1322 cluster->mode = CLUSTER_MODE_LOCKSTEP; in k3_r5_probe()
1323 INIT_LIST_HEAD(&cluster->cores); in k3_r5_probe()
1325 ret = of_property_read_u32(np, "ti,cluster-mode", &cluster->mode); in k3_r5_probe()
1326 if (ret < 0 && ret != -EINVAL) { in k3_r5_probe()
1327 dev_err(dev, "invalid format for ti,cluster-mode, ret = %d\n", in k3_r5_probe()
1336 return -ENODEV; in k3_r5_probe()
1377 { .compatible = "ti,am654-r5fss", },
1378 { .compatible = "ti,j721e-r5fss", },
1395 MODULE_AUTHOR("Suman Anna <s-anna@ti.com>");