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
20  * @is_rc: Set to 1 indicates the PCIe controller mode is Root Complex,
24 	struct cdns_pcie        *pcie;  member
34 static u64 cdns_plat_cpu_addr_fixup(struct cdns_pcie *pcie, u64 cpu_addr)  in cdns_plat_cpu_addr_fixup()  argument
47 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_probe()
49 	struct cdns_pcie_ep *ep;  in cdns_plat_pcie_probe()  local
57 		return -EINVAL;  in cdns_plat_pcie_probe()
59 	is_rc = data->is_rc;  in cdns_plat_pcie_probe()
64 		return -ENOMEM;  in cdns_plat_pcie_probe()
69 			return -ENODEV;  in cdns_plat_pcie_probe()
73 			return -ENOMEM;  in cdns_plat_pcie_probe()
76 		rc->pcie.dev = dev;  in cdns_plat_pcie_probe()
77 		rc->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
78 		cdns_plat_pcie->pcie = &rc->pcie;  in cdns_plat_pcie_probe()
79 		cdns_plat_pcie->is_rc = is_rc;  in cdns_plat_pcie_probe()
81 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
98 			return -ENODEV;  in cdns_plat_pcie_probe()
100 		ep = devm_kzalloc(dev, sizeof(*ep), GFP_KERNEL);  in cdns_plat_pcie_probe()
101 		if (!ep)  in cdns_plat_pcie_probe()
102 			return -ENOMEM;  in cdns_plat_pcie_probe()
104 		ep->pcie.dev = dev;  in cdns_plat_pcie_probe()
105 		ep->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
106 		cdns_plat_pcie->pcie = &ep->pcie;  in cdns_plat_pcie_probe()
107 		cdns_plat_pcie->is_rc = is_rc;  in cdns_plat_pcie_probe()
109 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
122 		ret = cdns_pcie_ep_setup(ep);  in cdns_plat_pcie_probe()
133 	cdns_pcie_disable_phy(cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
134 	phy_count = cdns_plat_pcie->pcie->phy_count;  in cdns_plat_pcie_probe()
135 	while (phy_count--)  in cdns_plat_pcie_probe()
136 		device_link_del(cdns_plat_pcie->pcie->link[phy_count]);  in cdns_plat_pcie_probe()
143 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_shutdown()
144 	struct cdns_pcie *pcie = dev_get_drvdata(dev);  in cdns_plat_pcie_shutdown()  local
153 	cdns_pcie_disable_phy(pcie);  in cdns_plat_pcie_shutdown()
166 		.compatible = "cdns,cdns-pcie-host",
170 		.compatible = "cdns,cdns-pcie-ep",
178 		.name = "cdns-pcie",