58 static bool ls_pcie_is_bridge(struct ls_pcie *pcie)  in ls_pcie_is_bridge()  argument
62 	header_type = ioread8(pcie->dbi + PCI_HEADER_TYPE);  in ls_pcie_is_bridge()
69 static void ls_pcie_clear_multifunction(struct ls_pcie *pcie)  in ls_pcie_clear_multifunction()  argument
71 	iowrite8(PCI_HEADER_TYPE_BRIDGE, pcie->dbi + PCI_HEADER_TYPE);  in ls_pcie_clear_multifunction()
75 static void ls_pcie_fix_class(struct ls_pcie *pcie)  in ls_pcie_fix_class()  argument
77 	iowrite16(PCI_CLASS_BRIDGE_PCI, pcie->dbi + PCI_CLASS_DEVICE);  in ls_pcie_fix_class()
83 	struct ls_pcie *pcie = to_ls_pcie(pp);  in ls1021_pcie_link_up()  local
85 	if (!pcie->scfg)  in ls1021_pcie_link_up()
88 	regmap_read(pcie->scfg, SCFG_PEXMSCPORTSR(pcie->index), &state);  in ls1021_pcie_link_up()
99 	struct ls_pcie *pcie = to_ls_pcie(pp);  in ls1021_pcie_host_init()  local
102 	pcie->scfg = syscon_regmap_lookup_by_phandle(pp->dev->of_node,  in ls1021_pcie_host_init()
104 	if (IS_ERR(pcie->scfg)) {  in ls1021_pcie_host_init()
106 		pcie->scfg = NULL;  in ls1021_pcie_host_init()
112 		pcie->scfg = NULL;  in ls1021_pcie_host_init()
115 	pcie->index = index[1];  in ls1021_pcie_host_init()
123 	val = ioread32(pcie->dbi + PCIE_STRFMR1);  in ls1021_pcie_host_init()
125 	iowrite32(val, pcie->dbi + PCIE_STRFMR1);  in ls1021_pcie_host_init()
130 	struct ls_pcie *pcie = to_ls_pcie(pp);  in ls_pcie_link_up()  local
133 	state = (ioread32(pcie->lut + PCIE_LUT_DBG) >>  in ls_pcie_link_up()
134 		 pcie->drvdata->ltssm_shift) &  in ls_pcie_link_up()
145 	struct ls_pcie *pcie = to_ls_pcie(pp);  in ls_pcie_host_init()  local
147 	iowrite32(1, pcie->dbi + PCIE_DBI_RO_WR_EN);  in ls_pcie_host_init()
148 	ls_pcie_fix_class(pcie);  in ls_pcie_host_init()
149 	ls_pcie_clear_multifunction(pcie);  in ls_pcie_host_init()
150 	iowrite32(0, pcie->dbi + PCIE_DBI_RO_WR_EN);  in ls_pcie_host_init()
214 	struct ls_pcie *pcie = to_ls_pcie(pp);  in ls_add_pcie_port()  local
217 	pp->dbi_base = pcie->dbi;  in ls_add_pcie_port()
218 	pp->ops = pcie->drvdata->ops;  in ls_add_pcie_port()
232 	struct ls_pcie *pcie;  in ls_pcie_probe()  local
240 	pcie = devm_kzalloc(&pdev->dev, sizeof(*pcie), GFP_KERNEL);  in ls_pcie_probe()
241 	if (!pcie)  in ls_pcie_probe()
245 	pcie->dbi = devm_ioremap_resource(&pdev->dev, dbi_base);  in ls_pcie_probe()
246 	if (IS_ERR(pcie->dbi)) {  in ls_pcie_probe()
248 		return PTR_ERR(pcie->dbi);  in ls_pcie_probe()
251 	pcie->drvdata = match->data;  in ls_pcie_probe()
252 	pcie->lut = pcie->dbi + pcie->drvdata->lut_offset;  in ls_pcie_probe()
254 	if (!ls_pcie_is_bridge(pcie))  in ls_pcie_probe()
257 	ret = ls_add_pcie_port(&pcie->pp, pdev);  in ls_pcie_probe()
261 	platform_set_drvdata(pdev, pcie);  in ls_pcie_probe()