1 // SPDX-License-Identifier: GPL-2.0
3  * Cadence PCIe platform  driver.
13 #include "pcie-cadence.h"
18  * struct cdns_plat_pcie - private data for this PCIe platform driver
19  * @pcie: Cadence PCIe controller
22 	struct cdns_pcie        *pcie;  member
31 static u64 cdns_plat_cpu_addr_fixup(struct cdns_pcie *pcie, u64 cpu_addr)  in cdns_plat_cpu_addr_fixup()  argument
44 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_probe()
46 	struct cdns_pcie_ep *ep;  in cdns_plat_pcie_probe()  local
54 		return -EINVAL;  in cdns_plat_pcie_probe()
56 	is_rc = data->is_rc;  in cdns_plat_pcie_probe()
61 		return -ENOMEM;  in cdns_plat_pcie_probe()
66 			return -ENODEV;  in cdns_plat_pcie_probe()
70 			return -ENOMEM;  in cdns_plat_pcie_probe()
73 		rc->pcie.dev = dev;  in cdns_plat_pcie_probe()
74 		rc->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
75 		cdns_plat_pcie->pcie = &rc->pcie;  in cdns_plat_pcie_probe()
77 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
94 			return -ENODEV;  in cdns_plat_pcie_probe()
96 		ep = devm_kzalloc(dev, sizeof(*ep), GFP_KERNEL);  in cdns_plat_pcie_probe()
97 		if (!ep)  in cdns_plat_pcie_probe()
98 			return -ENOMEM;  in cdns_plat_pcie_probe()
100 		ep->pcie.dev = dev;  in cdns_plat_pcie_probe()
101 		ep->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
102 		cdns_plat_pcie->pcie = &ep->pcie;  in cdns_plat_pcie_probe()
104 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
117 		ret = cdns_pcie_ep_setup(ep);  in cdns_plat_pcie_probe()
128 	cdns_pcie_disable_phy(cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
129 	phy_count = cdns_plat_pcie->pcie->phy_count;  in cdns_plat_pcie_probe()
130 	while (phy_count--)  in cdns_plat_pcie_probe()
131 		device_link_del(cdns_plat_pcie->pcie->link[phy_count]);  in cdns_plat_pcie_probe()
138 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_shutdown()
139 	struct cdns_pcie *pcie = dev_get_drvdata(dev);  in cdns_plat_pcie_shutdown()  local
148 	cdns_pcie_disable_phy(pcie);  in cdns_plat_pcie_shutdown()
161 		.compatible = "cdns,cdns-pcie-host",
165 		.compatible = "cdns,cdns-pcie-ep",
173 		.name = "cdns-pcie",