1 // SPDX-License-Identifier: GPL-2.0
3  * Cadence PCIe platform  driver.
14 #include "pcie-cadence.h"
19  * struct cdns_plat_pcie - private data for this PCIe platform driver
20  * @pcie: Cadence PCIe controller
21  * @is_rc: Set to 1 indicates the PCIe controller mode is Root Complex,
25 	struct cdns_pcie        *pcie;  member
35 static u64 cdns_plat_cpu_addr_fixup(struct cdns_pcie *pcie, u64 cpu_addr)  in cdns_plat_cpu_addr_fixup()  argument
49 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_probe()
59 		return -EINVAL;  in cdns_plat_pcie_probe()
61 	data = (struct cdns_plat_pcie_of_data *)match->data;  in cdns_plat_pcie_probe()
62 	is_rc = data->is_rc;  in cdns_plat_pcie_probe()
67 		return -ENOMEM;  in cdns_plat_pcie_probe()
72 			return -ENODEV;  in cdns_plat_pcie_probe()
76 			return -ENOMEM;  in cdns_plat_pcie_probe()
79 		rc->pcie.dev = dev;  in cdns_plat_pcie_probe()
80 		rc->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
81 		cdns_plat_pcie->pcie = &rc->pcie;  in cdns_plat_pcie_probe()
82 		cdns_plat_pcie->is_rc = is_rc;  in cdns_plat_pcie_probe()
84 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
101 			return -ENODEV;  in cdns_plat_pcie_probe()
105 			return -ENOMEM;  in cdns_plat_pcie_probe()
107 		ep->pcie.dev = dev;  in cdns_plat_pcie_probe()
108 		ep->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
109 		cdns_plat_pcie->pcie = &ep->pcie;  in cdns_plat_pcie_probe()
110 		cdns_plat_pcie->is_rc = is_rc;  in cdns_plat_pcie_probe()
112 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
134 	cdns_pcie_disable_phy(cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
135 	phy_count = cdns_plat_pcie->pcie->phy_count;  in cdns_plat_pcie_probe()
136 	while (phy_count--)  in cdns_plat_pcie_probe()
137 		device_link_del(cdns_plat_pcie->pcie->link[phy_count]);  in cdns_plat_pcie_probe()
144 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_shutdown()
145 	struct cdns_pcie *pcie = dev_get_drvdata(dev);  in cdns_plat_pcie_shutdown()  local
154 	cdns_pcie_disable_phy(pcie);  in cdns_plat_pcie_shutdown()
167 		.compatible = "cdns,cdns-pcie-host",
171 		.compatible = "cdns,cdns-pcie-ep",
179 		.name = "cdns-pcie",