1 /*-
61 	{ "allwinner,sun7i-a20",	1 },
62 	{ "allwinner,sun6i-a31",	1 },
63 	{ "allwinner,sun6i-a31s",	1 },
68 aw_ccu_check_addr(struct aw_ccu_softc *sc, bus_addr_t addr,  in aw_ccu_check_addr()  argument
71 	if (addr >= CCU_BASE && addr < (CCU_BASE + CCU_SIZE)) {  in aw_ccu_check_addr()
72 		*poff = addr - CCU_BASE;  in aw_ccu_check_addr()
73 		*pbsh = sc->bsh;  in aw_ccu_check_addr()
80 aw_ccu_write_4(device_t dev, bus_addr_t addr, uint32_t val)  in aw_ccu_write_4()  argument
84 	bus_size_t reg;  in aw_ccu_write_4()  local
88 	if (aw_ccu_check_addr(sc, addr, &bsh, &reg) != 0)  in aw_ccu_write_4()
91 	mtx_assert(&sc->mtx, MA_OWNED);  in aw_ccu_write_4()
92 	bus_space_write_4(sc->bst, bsh, reg, val);  in aw_ccu_write_4()
98 aw_ccu_read_4(device_t dev, bus_addr_t addr, uint32_t *val)  in aw_ccu_read_4()  argument
102 	bus_size_t reg;  in aw_ccu_read_4()  local
106 	if (aw_ccu_check_addr(sc, addr, &bsh, &reg) != 0)  in aw_ccu_read_4()
109 	mtx_assert(&sc->mtx, MA_OWNED);  in aw_ccu_read_4()
110 	*val = bus_space_read_4(sc->bst, bsh, reg);  in aw_ccu_read_4()
116 aw_ccu_modify_4(device_t dev, bus_addr_t addr, uint32_t clr, uint32_t set)  in aw_ccu_modify_4()  argument
120 	bus_size_t reg;  in aw_ccu_modify_4()  local
125 	if (aw_ccu_check_addr(sc, addr, &bsh, &reg) != 0)  in aw_ccu_modify_4()
128 	mtx_assert(&sc->mtx, MA_OWNED);  in aw_ccu_modify_4()
129 	val = bus_space_read_4(sc->bst, bsh, reg);  in aw_ccu_modify_4()
132 	bus_space_write_4(sc->bst, bsh, reg, val);  in aw_ccu_modify_4()
143 	mtx_lock(&sc->mtx);  in aw_ccu_device_lock()
152 	mtx_unlock(&sc->mtx);  in aw_ccu_device_unlock()
162 	for (compat = compat_data; compat->ocd_str != NULL; compat++)  in aw_ccu_search_compatible()
163 		if (ofw_bus_node_is_compatible(root, compat->ocd_str))  in aw_ccu_search_compatible()
179 	if (aw_ccu_search_compatible()->ocd_data == 0)  in aw_ccu_probe()
199 	sc->flags = aw_ccu_search_compatible()->ocd_data;  in aw_ccu_attach()
202 	 * Map registers. The DT doesn't have a "reg" property  in aw_ccu_attach()
203 	 * for the /clocks node and child nodes have conflicting "reg"  in aw_ccu_attach()
206 	sc->bst = bus_get_bus_tag(dev);  in aw_ccu_attach()
207 	error = bus_space_map(sc->bst, CCU_BASE, CCU_SIZE, 0,  in aw_ccu_attach()
208 	    &sc->bsh);  in aw_ccu_attach()
214 	mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);  in aw_ccu_attach()
218 		cdev = simplebus_add_device(dev, child, 0, NULL, -1, NULL);  in aw_ccu_attach()