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/linux/Documentation/devicetree/bindings/pci/
H A Dsophgo,sg2042-pcie-host.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/sophgo,sg2042-pcie-host.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
13 - Chen Wang <unicorn_wang@outlook.com>
17 const: sophgo,sg2042-pcie-host
22 reg-names:
24 - const: reg
25 - const: cfg
27 vendor-id:
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/linux/drivers/pci/controller/cadence/
H A Dpcie-cadence-host.c1 // SPDX-License-Identifier: GPL-2.0
4 // Author: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
14 #include "pcie-cadence.h"
34 struct cdns_pcie *pcie = &rc->pcie; in cdns_pci_map_bus()
35 unsigned int busn = bus->number; in cdns_pci_map_bus()
47 return pcie->reg_base + (where & 0xfff); in cdns_pci_map_bus()
52 /* Clear AXI link-down status */ in cdns_pci_map_bus()
68 if (busn == bridge->busnr + 1) in cdns_pci_map_bus()
74 return rc->cfg_base + (where & 0xfff); in cdns_pci_map_bus()
102 return -ETIMEDOUT; in cdns_pcie_host_training_complete()
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