1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright © 2021-2022 Dmitry Salychev
30  * DPAA2 MC command portal and helper routines.
35 #include <sys/bus.h>
45 #include <machine/bus.h>
77 	mtx_init(&p->lock, "mcp_sleep_lock", NULL, MTX_DEF);  in dpaa2_mcp_init_portal()
79 	p->res = res;  in dpaa2_mcp_init_portal()
80 	p->map = map;  in dpaa2_mcp_init_portal()
81 	p->flags = flags;  in dpaa2_mcp_init_portal()
82 	p->rc_api_major = 0; /* DPRC API version to be cached later. */  in dpaa2_mcp_init_portal()
83 	p->rc_api_minor = 0;  in dpaa2_mcp_init_portal()
98 	mcp->flags |= DPAA2_PORTAL_DESTROYED;  in dpaa2_mcp_free_portal()
104 	mtx_destroy(&mcp->lock);  in dpaa2_mcp_free_portal()
114 	hdr = (struct dpaa2_cmd_header *) &cmd->header;  in dpaa2_mcp_tk()
115 	hdr->token = token;  in dpaa2_mcp_tk()
125 	hdr = (struct dpaa2_cmd_header *) &cmd->header;  in dpaa2_mcp_f()
126 	hdr->flags_hw = DPAA2_CMD_DEF;  in dpaa2_mcp_f()
127 	hdr->flags_sw = DPAA2_CMD_DEF;  in dpaa2_mcp_f()
129 		hdr->flags_hw |= DPAA2_HW_FLAG_HIGH_PRIO;  in dpaa2_mcp_f()
132 		hdr->flags_sw |= DPAA2_SW_FLAG_INTR_DIS;  in dpaa2_mcp_f()
141 	device_set_desc(dev, "DPAA2 MC portal");  in dpaa2_mcp_probe()
165 	sc->dev = dev;  in dpaa2_mcp_attach()
167 	error = bus_alloc_resources(sc->dev, dpaa2_mcp_spec, sc->res);  in dpaa2_mcp_attach()
175 	if (rman_get_size(sc->res[0]) < DPAA2_MCP_MEM_WIDTH) {  in dpaa2_mcp_attach()
176 		device_printf(dev, "%s: MC portal memory region too small: "  in dpaa2_mcp_attach()
177 		    "%jd\n", __func__, rman_get_size(sc->res[0]));  in dpaa2_mcp_attach()
181 	/* Map MC portal memory resource. */  in dpaa2_mcp_attach()
184 	error = bus_map_resource(sc->dev, SYS_RES_MEMORY, sc->res[0], &req,  in dpaa2_mcp_attach()
185 	    &sc->map[0]);  in dpaa2_mcp_attach()
187 		device_printf(dev, "%s: failed to map MC portal memory\n",  in dpaa2_mcp_attach()
192 	/* Initialize portal to send commands to MC. */  in dpaa2_mcp_attach()
193 	error = dpaa2_mcp_init_portal(&portal, sc->res[0], &sc->map[0],  in dpaa2_mcp_attach()
204 	error = DPAA2_CMD_RC_OPEN(dev, child, &cmd, rcinfo->id, &rc_token);  in dpaa2_mcp_attach()
210 	error = DPAA2_CMD_MCP_OPEN(dev, child, &cmd, dinfo->id, &mcp_token);  in dpaa2_mcp_attach()
213 		    __func__, dinfo->id, error);  in dpaa2_mcp_attach()
221 		    "error=%d\n", __func__, dinfo->id, error);  in dpaa2_mcp_attach()
227 	dinfo->portal = portal;  in dpaa2_mcp_attach()