185 	 * Set the root complex BAR configuration register:  in cdns_pcie_host_init_root_port()
219 					enum cdns_pcie_rp_bar bar,  in cdns_pcie_host_bar_ib_config()  argument
226 	if (!rc->avail_ib_bar[bar])  in cdns_pcie_host_bar_ib_config()
229 	rc->avail_ib_bar[bar] = false;  in cdns_pcie_host_bar_ib_config()
235 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_IB_RP_BAR_ADDR0(bar), addr0);  in cdns_pcie_host_bar_ib_config()
236 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_IB_RP_BAR_ADDR1(bar), addr1);  in cdns_pcie_host_bar_ib_config()
238 	if (bar == RP_NO_BAR)  in cdns_pcie_host_bar_ib_config()
242 	value &= ~(LM_RC_BAR_CFG_CTRL_MEM_64BITS(bar) |  in cdns_pcie_host_bar_ib_config()
243 		   LM_RC_BAR_CFG_CTRL_PREF_MEM_64BITS(bar) |  in cdns_pcie_host_bar_ib_config()
244 		   LM_RC_BAR_CFG_CTRL_MEM_32BITS(bar) |  in cdns_pcie_host_bar_ib_config()
245 		   LM_RC_BAR_CFG_CTRL_PREF_MEM_32BITS(bar) |  in cdns_pcie_host_bar_ib_config()
246 		   LM_RC_BAR_CFG_APERTURE(bar, bar_aperture_mask[bar] + 2));  in cdns_pcie_host_bar_ib_config()
249 			value |= LM_RC_BAR_CFG_CTRL_MEM_64BITS(bar);  in cdns_pcie_host_bar_ib_config()
250 		value |= LM_RC_BAR_CFG_CTRL_PREF_MEM_64BITS(bar);  in cdns_pcie_host_bar_ib_config()
253 			value |= LM_RC_BAR_CFG_CTRL_MEM_32BITS(bar);  in cdns_pcie_host_bar_ib_config()
254 		value |= LM_RC_BAR_CFG_CTRL_PREF_MEM_32BITS(bar);  in cdns_pcie_host_bar_ib_config()
257 	value |= LM_RC_BAR_CFG_APERTURE(bar, aperture);  in cdns_pcie_host_bar_ib_config()
266 	enum cdns_pcie_rp_bar bar, sel_bar;  in cdns_pcie_host_find_min_bar()  local
269 	for (bar = RP_BAR0; bar <= RP_NO_BAR; bar++) {  in cdns_pcie_host_find_min_bar()
270 		if (!rc->avail_ib_bar[bar])  in cdns_pcie_host_find_min_bar()
273 		if (size <= bar_max_size[bar]) {  in cdns_pcie_host_find_min_bar()
275 				sel_bar = bar;  in cdns_pcie_host_find_min_bar()
279 			if (bar_max_size[bar] < bar_max_size[sel_bar])  in cdns_pcie_host_find_min_bar()
280 				sel_bar = bar;  in cdns_pcie_host_find_min_bar()
290 	enum cdns_pcie_rp_bar bar, sel_bar;  in cdns_pcie_host_find_max_bar()  local
293 	for (bar = RP_BAR0; bar <= RP_NO_BAR; bar++) {  in cdns_pcie_host_find_max_bar()
294 		if (!rc->avail_ib_bar[bar])  in cdns_pcie_host_find_max_bar()
297 		if (size >= bar_max_size[bar]) {  in cdns_pcie_host_find_max_bar()
299 				sel_bar = bar;  in cdns_pcie_host_find_max_bar()
303 			if (bar_max_size[bar] > bar_max_size[sel_bar])  in cdns_pcie_host_find_max_bar()
304 				sel_bar = bar;  in cdns_pcie_host_find_max_bar()
317 	enum cdns_pcie_rp_bar bar;  in cdns_pcie_host_bar_config()  local
334 		 * Try to find a minimum BAR whose size is greater than  in cdns_pcie_host_bar_config()
338 		 * If a minimum BAR is found, IB ATU will be configured and  in cdns_pcie_host_bar_config()
341 		bar = cdns_pcie_host_find_min_bar(rc, size);  in cdns_pcie_host_bar_config()
342 		if (bar != RP_BAR_UNDEFINED) {  in cdns_pcie_host_bar_config()
343 			ret = cdns_pcie_host_bar_ib_config(rc, bar, cpu_addr,  in cdns_pcie_host_bar_config()
346 				dev_err(dev, "IB BAR: %d config failed\n", bar);  in cdns_pcie_host_bar_config()
352 		 * resource_entry size cannot be fitted in a single BAR. So we  in cdns_pcie_host_bar_config()
353 		 * find a maximum BAR whose size is less than or equal to the  in cdns_pcie_host_bar_config()
356 		 * BAR. The remaining size would be fitted during the next  in cdns_pcie_host_bar_config()
358 		 * If a maximum BAR is not found, there is no way we can fit  in cdns_pcie_host_bar_config()
361 		bar = cdns_pcie_host_find_max_bar(rc, size);  in cdns_pcie_host_bar_config()
362 		if (bar == RP_BAR_UNDEFINED) {  in cdns_pcie_host_bar_config()
363 			dev_err(dev, "No free BAR to map cpu_addr %llx\n",  in cdns_pcie_host_bar_config()
368 		winsize = bar_max_size[bar];  in cdns_pcie_host_bar_config()
369 		ret = cdns_pcie_host_bar_ib_config(rc, bar, cpu_addr, winsize,  in cdns_pcie_host_bar_config()
372 			dev_err(dev, "IB BAR: %d config failed\n", bar);  in cdns_pcie_host_bar_config()
409 		of_property_read_u32(np, "cdns,no-bar-match-nbits",  in cdns_pcie_host_map_dma_ranges()
414 			dev_err(dev, "IB BAR: %d config failed\n", RP_NO_BAR);  in cdns_pcie_host_map_dma_ranges()
529 	enum cdns_pcie_rp_bar bar;  in cdns_pcie_host_setup()  local
563 	for (bar = RP_BAR0; bar <= RP_NO_BAR; bar++)  in cdns_pcie_host_setup()
564 		rc->avail_ib_bar[bar] = true;  in cdns_pcie_host_setup()