1 // SPDX-License-Identifier: GPL-2.0+
5  * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
15 #include <reset.h>
17 #include <power-domain.h>
26  * struct k3_rproc_privdata - Structure representing Remote processor data.
28  * @rproc_rst:		rproc reset control data
29  * @sci:		Pointer to TISCI handle
38 	const struct ti_sci_handle *sci;  member
45  * k3_rproc_load() - Load up the Remote processor image
55 	const struct ti_sci_proc_ops *pops = &rproc->sci->ops.proc_ops;  in k3_rproc_load()
61 	ret = pops->proc_request(rproc->sci, rproc->proc_id);  in k3_rproc_load()
67 	ret = pops->set_proc_boot_cfg(rproc->sci, rproc->proc_id, addr, 0, 0);  in k3_rproc_load()
79  * k3_rproc_start() - Start the remote processor
87 	const struct ti_sci_proc_ops *pops = &rproc->sci->ops.proc_ops;  in k3_rproc_start()
92 	ret = power_domain_on(&rproc->gtc_pwrdmn);  in k3_rproc_start()
99 	writel(GTC_CNTR_EN, rproc->gtc_base + GTC_CNTCR_REG);  in k3_rproc_start()
103 	 * assigned-clock-rates during the device probe. So no need to  in k3_rproc_start()
106 	ret = power_domain_on(&rproc->rproc_pwrdmn);  in k3_rproc_start()
112 	if (rproc->host_id != INVALID_ID) {  in k3_rproc_start()
113 		ret = pops->proc_handover(rproc->sci, rproc->proc_id,  in k3_rproc_start()
114 					  rproc->host_id);  in k3_rproc_start()
120 		ret = pops->proc_release(rproc->sci, rproc->proc_id);  in k3_rproc_start()
133  * k3_rproc_init() - Initialize the remote processor
155  * k3_of_to_priv() - generate private data from device tree
168 	ret = power_domain_get_by_index(dev, &rproc->rproc_pwrdmn, 1);  in k3_rproc_of_to_priv()
174 	ret = power_domain_get_by_index(dev, &rproc->gtc_pwrdmn, 0);  in k3_rproc_of_to_priv()
180 	ret = reset_get_by_index(dev, 0, &rproc->rproc_rst);  in k3_rproc_of_to_priv()
186 	rproc->sci = ti_sci_get_by_phandle(dev, "ti,sci");  in k3_rproc_of_to_priv()
187 	if (IS_ERR(rproc->sci)) {  in k3_rproc_of_to_priv()
189 		return PTR_ERR(rproc->sci);  in k3_rproc_of_to_priv()
192 	rproc->gtc_base = dev_read_addr_ptr(dev);  in k3_rproc_of_to_priv()
193 	if (!rproc->gtc_base) {  in k3_rproc_of_to_priv()
195 		return -ENODEV;  in k3_rproc_of_to_priv()
198 	rproc->proc_id = dev_read_u32_default(dev, "ti,sci-proc-id",  in k3_rproc_of_to_priv()
200 	rproc->host_id = dev_read_u32_default(dev, "ti,sci-host-id",  in k3_rproc_of_to_priv()
207  * k3_rproc_probe() - Basic probe
233 	{ .compatible = "ti,am654-rproc"},