1 /*-
99 MALLOC_DEFINE(M_BRCM_IPROC_MDIO, "Broadcom IPROC MDIO",
100     "Broadcom IPROC MDIO dynamic memory");
127 	/* MDIO interface */
144 	{"brcm,mdio-mux-iproc",	true},
156 	bus_id = bus_dir ? child : (child - EXT_BUS_START_ADDR);  in brcm_iproc_switch()
161 	bus_write_4(sc->reg_base, MDIO_PARAM_OFFSET, param);  in brcm_iproc_switch()
173 		val = bus_read_4(sc->reg_base, MDIO_STAT_OFFSET);  in iproc_mdio_wait_for_idle()
177 		pause("BRCM MDIO SLEEP", 1000 / hz);  in iproc_mdio_wait_for_idle()
178 	} while (timeout--);  in iproc_mdio_wait_for_idle()
183 /* start_miim_ops- Program and start MDIO transaction over mdio bus.
202 	bus_write_4(sc->reg_base, MDIO_CTRL_OFFSET, 0);  in brcm_iproc_mdio_op()
203 	bus_read_4(sc->reg_base, MDIO_STAT_OFFSET);  in brcm_iproc_mdio_op()
208 	param = bus_read_4(sc->reg_base, MDIO_PARAM_OFFSET);  in brcm_iproc_mdio_op()
214 	bus_write_4(sc->reg_base, MDIO_PARAM_OFFSET, param);  in brcm_iproc_mdio_op()
216 	bus_write_4(sc->reg_base, MDIO_ADDR_OFFSET, reg);  in brcm_iproc_mdio_op()
218 	bus_write_4(sc->reg_base, MDIO_CTRL_OFFSET, op);  in brcm_iproc_mdio_op()
225 		ret = bus_read_4(sc->reg_base, MDIO_READ_OFFSET) & MDIO_READ_DATA_MASK;  in brcm_iproc_mdio_op()
236 	/* Disable external mdio master access */  in brcm_iproc_config()
237 	val = bus_read_4(sc->reg_base, MDIO_SCAN_CTRL_OFFSET);  in brcm_iproc_config()
239 	bus_write_4(sc->reg_base, MDIO_SCAN_CTRL_OFFSET, val);  in brcm_iproc_config()
241 	if (sc->clock_rate) {  in brcm_iproc_config()
242 		/* use rate adjust regs to derrive the mdio's operating  in brcm_iproc_config()
245 		divisor = sc->clock_rate / MDIO_OPERATING_FREQUENCY;  in brcm_iproc_config()
249 		bus_write_4(sc->reg_base, MDIO_RATE_ADJ_EXT_OFFSET, val);  in brcm_iproc_config()
250 		bus_write_4(sc->reg_base, MDIO_RATE_ADJ_INT_OFFSET, val);  in brcm_iproc_config()
292 	if (!ofw_bus_search_compatible(dev, mdio_compat_data)->ocd_data)  in brcm_iproc_mdio_probe()
295 	device_set_desc(dev, "Broadcom MDIO MUX driver");  in brcm_iproc_mdio_probe()
309 	sc->dev = dev;  in brcm_iproc_mdio_attach()
313 	sc->reg_base = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,  in brcm_iproc_mdio_attach()
315 	if (sc->reg_base == NULL) {  in brcm_iproc_mdio_attach()
320 	/* Configure MDIO controlled */  in brcm_iproc_mdio_attach()
322 		device_printf(dev, "Unable to initialize IPROC MDIO\n");  in brcm_iproc_mdio_attach()
333 		if (ofw_bus_gen_setup_devinfo(&di->di_dinfo, node) != 0) {  in brcm_iproc_mdio_attach()
339 		resource_list_init(&di->di_rl);  in brcm_iproc_mdio_attach()
340 		ofw_bus_reg_to_rl(dev, node, sc->sbus.acells, sc->sbus.scells,  in brcm_iproc_mdio_attach()
341 		    &di->di_rl);  in brcm_iproc_mdio_attach()
342 		ofw_bus_intr_to_rl(dev, node, &di->di_rl, NULL);  in brcm_iproc_mdio_attach()
348 			resource_list_free(&di->di_rl);  in brcm_iproc_mdio_attach()
349 			ofw_bus_gen_destroy_devinfo(&di->di_dinfo);  in brcm_iproc_mdio_attach()
379 	return (&di->di_dinfo);  in brcm_iproc_mdio_get_devinfo()
389 	if (sc->reg_base != NULL) {  in brcm_iproc_mdio_detach()
391 		    sc->reg_base);  in brcm_iproc_mdio_detach()