1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
11  * 1. Redistributions of source code must retain the above copyright
70 #define	SDHCI_FDT_ARMADA38X	1
75 	{ "marvell,armada-380-sdhci",	SDHCI_FDT_ARMADA38X },
76 	{ "qcom,sdhci-msm-v4",		SDHCI_FDT_QUALCOMM },
106 	int id = 1; /* Our clock id starts at 1 */  in sdhci_clock_ofw_map()
109 		id = cells[1];  in sdhci_clock_ofw_map()
130 	node = ofw_bus_get_node(sc->dev);  in sdhci_export_clocks()
133 		device_printf(sc->dev, "cannot parse 'reg' property\n");  in sdhci_export_clocks()
138 	    "#clock-cells", &ncells);  in sdhci_export_clocks()
140 		device_printf(sc->dev, "couldn't find parent clocks\n");  in sdhci_export_clocks()
144 	nclocks = ofw_bus_string_list_to_array(node, "clock-output-names",  in sdhci_export_clocks()
150 	clkdom = clkdom_create(sc->dev);  in sdhci_export_clocks()
155 		def.id = i + 1; /* Exported clock IDs starts at 1 */  in sdhci_export_clocks()
157 		def.parent_names = malloc(sizeof(char *) * 1, M_OFWPROP, M_WAITOK);  in sdhci_export_clocks()
158 		def.parent_names[0] = clk_get_name(sc->clk_xin);  in sdhci_export_clocks()
159 		def.parent_cnt = 1;  in sdhci_export_clocks()
163 			device_printf(sc->dev, "cannot create clknode\n");  in sdhci_export_clocks()
168 		clksc->clkdev = device_get_parent(sc->dev);  in sdhci_export_clocks()
174 		device_printf(sc->dev, "cannot finalize clkdom initialization\n");  in sdhci_export_clocks()
189 	error = clk_get_by_ofw_name(dev, 0, "clk_xin", &sc->clk_xin);  in sdhci_init_clocks()
194 	error = clk_enable(sc->clk_xin);  in sdhci_init_clocks()
199 	error = clk_get_by_ofw_name(dev, 0, "clk_ahb", &sc->clk_ahb);  in sdhci_init_clocks()
204 	error = clk_enable(sc->clk_ahb);  in sdhci_init_clocks()
219 	error = phy_get_by_ofw_name(sc->dev, 0, "phy_arasan", &sc->phy);  in sdhci_init_phy()
223 		device_printf(sc->dev, "Could not get phy\n");  in sdhci_init_phy()
226 	error = phy_enable(sc->phy);  in sdhci_init_phy()
228 		device_printf(sc->dev, "Could not enable phy\n");  in sdhci_init_phy()
241 	node = ofw_bus_get_node(sc->dev);  in sdhci_get_syscon()
242 	if (OF_hasprop(node, "arasan,soc-ctl-syscon") &&  in sdhci_get_syscon()
243 	    syscon_get_by_ofw_property(sc->dev, node,  in sdhci_get_syscon()
244 	    "arasan,soc-ctl-syscon", &sc->syscon) != 0) {  in sdhci_get_syscon()
245 		device_printf(sc->dev, "cannot get syscon handle\n");  in sdhci_get_syscon()
257 	return (bus_read_1(sc->mem_res[slot->num], off));  in sdhci_fdt_read_1()
266 	bus_write_1(sc->mem_res[slot->num], off, val);  in sdhci_fdt_write_1()
274 	return (bus_read_2(sc->mem_res[slot->num], off));  in sdhci_fdt_read_2()
283 	bus_write_2(sc->mem_res[slot->num], off, val);  in sdhci_fdt_write_2()
292 	val32 = bus_read_4(sc->mem_res[slot->num], off);  in sdhci_fdt_read_4()
293 	if (off == SDHCI_CAPABILITIES && sc->no_18v)  in sdhci_fdt_read_4()
305 	bus_write_4(sc->mem_res[slot->num], off, val);  in sdhci_fdt_write_4()
314 	bus_read_multi_4(sc->mem_res[slot->num], off, data, count);  in sdhci_fdt_read_multi_4()
323 	bus_write_multi_4(sc->mem_res[slot->num], off, data, count);  in sdhci_fdt_write_multi_4()
332 	for (i = 0; i < sc->num_slots; i++)  in sdhci_fdt_intr()
333 		sdhci_generic_intr(&sc->slots[i]);  in sdhci_fdt_intr()
341 	if (sc->wp_disabled)  in sdhci_fdt_get_ro()
343 	return (sdhci_generic_get_ro(bus, dev) ^ sc->wp_inverted);  in sdhci_fdt_get_ro()
354 	sc->quirks = 0;  in sdhci_fdt_probe()
355 	switch (ofw_bus_search_compatible(dev, compat_data)->ocd_data) {  in sdhci_fdt_probe()
357 		sc->quirks = SDHCI_QUIRK_BROKEN_AUTO_STOP;  in sdhci_fdt_probe()
361 		sc->quirks = SDHCI_QUIRK_ALL_SLOTS_NON_REMOVABLE |  in sdhci_fdt_probe()
363 		sc->sdma_boundary = SDHCI_BLKSZ_SDMA_BNDRY_4K;  in sdhci_fdt_probe()
367 		sc->quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;  in sdhci_fdt_probe()
368 		device_set_desc(dev, "Zynq-7000 generic fdt SDHCI controller");  in sdhci_fdt_probe()
386 	sc->dev = dev;  in sdhci_fdt_attach()
390 	sc->num_slots = 1;  in sdhci_fdt_attach()
391 	sc->max_clk = 0;  in sdhci_fdt_attach()
393 	/* Allow dts to patch quirks, slots, and max-frequency. */  in sdhci_fdt_attach()
395 		sc->quirks = cid;  in sdhci_fdt_attach()
396 	if ((OF_getencprop(node, "num-slots", &cid, sizeof(cid))) > 0)  in sdhci_fdt_attach()
397 		sc->num_slots = cid;  in sdhci_fdt_attach()
398 	if ((OF_getencprop(node, "max-frequency", &cid, sizeof(cid))) > 0)  in sdhci_fdt_attach()
399 		sc->max_clk = cid;  in sdhci_fdt_attach()
400 	if (OF_hasprop(node, "no-1-8-v"))  in sdhci_fdt_attach()
401 		sc->no_18v = true;  in sdhci_fdt_attach()
402 	if (OF_hasprop(node, "wp-inverted"))  in sdhci_fdt_attach()
403 		sc->wp_inverted = true;  in sdhci_fdt_attach()
404 	if (OF_hasprop(node, "disable-wp"))  in sdhci_fdt_attach()
405 		sc->wp_disabled = true;  in sdhci_fdt_attach()
409 	sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,  in sdhci_fdt_attach()
411 	if (sc->irq_res == NULL) {  in sdhci_fdt_attach()
412 		device_printf(dev, "Can't allocate IRQ\n");  in sdhci_fdt_attach()
417 	slots = sc->num_slots;	/* number of slots determined in probe(). */  in sdhci_fdt_attach()
418 	sc->num_slots = 0;  in sdhci_fdt_attach()
420 		slot = &sc->slots[sc->num_slots];  in sdhci_fdt_attach()
424 		sc->mem_res[i] = bus_alloc_resource_any(dev, SYS_RES_MEMORY,  in sdhci_fdt_attach()
426 		if (sc->mem_res[i] == NULL) {  in sdhci_fdt_attach()
428 			    "Can't allocate memory for slot %d\n", i);  in sdhci_fdt_attach()
432 		slot->quirks = sc->quirks;  in sdhci_fdt_attach()
433 		slot->caps = sc->caps;  in sdhci_fdt_attach()
434 		slot->max_clk = sc->max_clk;  in sdhci_fdt_attach()
435 		slot->sdma_boundary = sc->sdma_boundary;  in sdhci_fdt_attach()
439 		sc->num_slots++;  in sdhci_fdt_attach()
441 	device_printf(dev, "%d slot(s) allocated\n", sc->num_slots);  in sdhci_fdt_attach()
444 	err = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE,  in sdhci_fdt_attach()
445 	    NULL, sdhci_fdt_intr, sc, &sc->intrhand);  in sdhci_fdt_attach()
452 	for (i = 0; i < sc->num_slots; i++)  in sdhci_fdt_attach()
453 		sdhci_start_slot(&sc->slots[i]);  in sdhci_fdt_attach()
465 	bus_teardown_intr(dev, sc->irq_res, sc->intrhand);  in sdhci_fdt_detach()
466 	bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq_res),  in sdhci_fdt_detach()
467 	    sc->irq_res);  in sdhci_fdt_detach()
469 	for (i = 0; i < sc->num_slots; i++) {  in sdhci_fdt_detach()
470 		sdhci_cleanup_slot(&sc->slots[i]);  in sdhci_fdt_detach()
472 		    rman_get_rid(sc->mem_res[i]), sc->mem_res[i]);  in sdhci_fdt_detach()