drivers/pci/pcie_apple.c

41 #define CORE_PHY_DEFAULT_BASE(port)	(0x84000 + 0x4000 * (port))
211 				   struct apple_pcie_port *port)
217 		rmw_set(PHY_LANE_CTL_CFGACC, port->phy + pcie->hw->phy_lane_ctl);
219 	rmw_set(PHY_LANE_CFG_REFCLK0REQ, port->phy + PHY_LANE_CFG);
221 	res = readl_poll_sleep_timeout(port->phy + PHY_LANE_CFG,
227 	rmw_set(PHY_LANE_CFG_REFCLK1REQ, port->phy + PHY_LANE_CFG);
228 	res = readl_poll_sleep_timeout(port->phy + PHY_LANE_CFG,
236 		rmw_clear(PHY_LANE_CTL_CFGACC, port->phy + pcie->hw->phy_lane_ctl);
238 	rmw_set(PHY_LANE_CFG_REFCLKEN, port->phy + PHY_LANE_CFG);
241 		rmw_set(PORT_REFCLK_EN, port->base + pcie->hw->port_refclk);
248 	struct apple_pcie_port *port;
259 	port = devm_kzalloc(pcie->dev, sizeof(*port), GFP_KERNEL);
260 	if (!port)
267 	/* Use the first reg entry to work out the port index */
268 	port->idx = idx >> 11;
269 	port->pcie = pcie;
270 	port->reset = reset;
271 	port->np = np;
273 	snprintf(name, sizeof(name), "port%d", port->idx);
276 		addr = dev_read_addr_index(pcie->dev, port->idx + 2);
279 	port->base = map_sysmem(addr, 0);
281 	snprintf(name, sizeof(name), "phy%d", port->idx);
284 		port->phy = pcie->base + CORE_PHY_DEFAULT_BASE(port->idx);
286 		port->phy = map_sysmem(addr, 0);
288 	rmw_set(PORT_APPCLK_EN, port->base + PORT_APPCLK);
293 	ret = apple_pcie_setup_refclk(pcie, port);
301 	rmw_set(PORT_PERST_OFF, port->base + pcie->hw->port_perst);
307 	ret = readl_poll_sleep_timeout(port->base + PORT_STATUS, stat,
310 		dev_err(pcie->dev, "port %d ready wait timeout\n", port->idx);
314 	list_add_tail(&port->entry, &pcie->ports);
316 	writel_relaxed(PORT_LTSSMCTL_START, port->base + PORT_LTSSMCTL);
322 	readl_poll_sleep_timeout(port->base + PORT_LINKSTS, stat,
326 		rmw_clear(PORT_REFCLK_CGDIS, port->base + PORT_REFCLK);
328 		rmw_set(PHY_LANE_CFG_REFCLKCGEN, port->phy + PHY_LANE_CFG);
329 	rmw_clear(PORT_APPCLK_CGDIS, port->base + PORT_APPCLK);
374 	struct apple_pcie_port *port, *tmp;
376 	list_for_each_entry_safe(port, tmp, &pcie->ports, entry) {
377 		gpio_free_list_nodev(&port->reset, 1);
378 		free(port);