158 	 * Set the root complex BAR configuration register:  in cdns_pcie_host_init_root_port()
192 					enum cdns_pcie_rp_bar bar,  in cdns_pcie_host_bar_ib_config()  argument
199 	if (!rc->avail_ib_bar[bar])  in cdns_pcie_host_bar_ib_config()
202 	rc->avail_ib_bar[bar] = false;  in cdns_pcie_host_bar_ib_config()
208 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_IB_RP_BAR_ADDR0(bar), addr0);  in cdns_pcie_host_bar_ib_config()
209 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_IB_RP_BAR_ADDR1(bar), addr1);  in cdns_pcie_host_bar_ib_config()
211 	if (bar == RP_NO_BAR)  in cdns_pcie_host_bar_ib_config()
215 	value &= ~(LM_RC_BAR_CFG_CTRL_MEM_64BITS(bar) |  in cdns_pcie_host_bar_ib_config()
216 		   LM_RC_BAR_CFG_CTRL_PREF_MEM_64BITS(bar) |  in cdns_pcie_host_bar_ib_config()
217 		   LM_RC_BAR_CFG_CTRL_MEM_32BITS(bar) |  in cdns_pcie_host_bar_ib_config()
218 		   LM_RC_BAR_CFG_CTRL_PREF_MEM_32BITS(bar) |  in cdns_pcie_host_bar_ib_config()
219 		   LM_RC_BAR_CFG_APERTURE(bar, bar_aperture_mask[bar] + 2));  in cdns_pcie_host_bar_ib_config()
222 			value |= LM_RC_BAR_CFG_CTRL_MEM_64BITS(bar);  in cdns_pcie_host_bar_ib_config()
223 		value |= LM_RC_BAR_CFG_CTRL_PREF_MEM_64BITS(bar);  in cdns_pcie_host_bar_ib_config()
226 			value |= LM_RC_BAR_CFG_CTRL_MEM_32BITS(bar);  in cdns_pcie_host_bar_ib_config()
227 		value |= LM_RC_BAR_CFG_CTRL_PREF_MEM_32BITS(bar);  in cdns_pcie_host_bar_ib_config()
230 	value |= LM_RC_BAR_CFG_APERTURE(bar, aperture);  in cdns_pcie_host_bar_ib_config()
239 	enum cdns_pcie_rp_bar bar, sel_bar;  in cdns_pcie_host_find_min_bar()  local
242 	for (bar = RP_BAR0; bar <= RP_NO_BAR; bar++) {  in cdns_pcie_host_find_min_bar()
243 		if (!rc->avail_ib_bar[bar])  in cdns_pcie_host_find_min_bar()
246 		if (size <= bar_max_size[bar]) {  in cdns_pcie_host_find_min_bar()
248 				sel_bar = bar;  in cdns_pcie_host_find_min_bar()
252 			if (bar_max_size[bar] < bar_max_size[sel_bar])  in cdns_pcie_host_find_min_bar()
253 				sel_bar = bar;  in cdns_pcie_host_find_min_bar()
263 	enum cdns_pcie_rp_bar bar, sel_bar;  in cdns_pcie_host_find_max_bar()  local
266 	for (bar = RP_BAR0; bar <= RP_NO_BAR; bar++) {  in cdns_pcie_host_find_max_bar()
267 		if (!rc->avail_ib_bar[bar])  in cdns_pcie_host_find_max_bar()
270 		if (size >= bar_max_size[bar]) {  in cdns_pcie_host_find_max_bar()
272 				sel_bar = bar;  in cdns_pcie_host_find_max_bar()
276 			if (bar_max_size[bar] > bar_max_size[sel_bar])  in cdns_pcie_host_find_max_bar()
277 				sel_bar = bar;  in cdns_pcie_host_find_max_bar()
290 	enum cdns_pcie_rp_bar bar;  in cdns_pcie_host_bar_config()  local
307 		 * Try to find a minimum BAR whose size is greater than  in cdns_pcie_host_bar_config()
311 		 * If a minimum BAR is found, IB ATU will be configured and  in cdns_pcie_host_bar_config()
314 		bar = cdns_pcie_host_find_min_bar(rc, size);  in cdns_pcie_host_bar_config()
315 		if (bar != RP_BAR_UNDEFINED) {  in cdns_pcie_host_bar_config()
316 			ret = cdns_pcie_host_bar_ib_config(rc, bar, cpu_addr,  in cdns_pcie_host_bar_config()
319 				dev_err(dev, "IB BAR: %d config failed\n", bar);  in cdns_pcie_host_bar_config()
325 		 * resource_entry size cannot be fitted in a single BAR. So we  in cdns_pcie_host_bar_config()
326 		 * find a maximum BAR whose size is less than or equal to the  in cdns_pcie_host_bar_config()
329 		 * BAR. The remaining size would be fitted during the next  in cdns_pcie_host_bar_config()
331 		 * If a maximum BAR is not found, there is no way we can fit  in cdns_pcie_host_bar_config()
334 		bar = cdns_pcie_host_find_max_bar(rc, size);  in cdns_pcie_host_bar_config()
335 		if (bar == RP_BAR_UNDEFINED) {  in cdns_pcie_host_bar_config()
336 			dev_err(dev, "No free BAR to map cpu_addr %llx\n",  in cdns_pcie_host_bar_config()
341 		winsize = bar_max_size[bar];  in cdns_pcie_host_bar_config()
342 		ret = cdns_pcie_host_bar_ib_config(rc, bar, cpu_addr, winsize,  in cdns_pcie_host_bar_config()
345 			dev_err(dev, "IB BAR: %d config failed\n", bar);  in cdns_pcie_host_bar_config()
382 		of_property_read_u32(np, "cdns,no-bar-match-nbits",  in cdns_pcie_host_map_dma_ranges()
387 			dev_err(dev, "IB BAR: %d config failed\n", RP_NO_BAR);  in cdns_pcie_host_map_dma_ranges()
479 	enum cdns_pcie_rp_bar bar;  in cdns_pcie_host_setup()  local
524 	for (bar = RP_BAR0; bar <= RP_NO_BAR; bar++)  in cdns_pcie_host_setup()
525 		rc->avail_ib_bar[bar] = true;  in cdns_pcie_host_setup()