Lines Matching defs:pcie
22 #include "pcie-cadence.h"
74 static inline u32 j721e_pcie_user_readl(struct j721e_pcie *pcie, u32 offset)
76 return readl(pcie->user_cfg_base + offset);
79 static inline void j721e_pcie_user_writel(struct j721e_pcie *pcie, u32 offset,
82 writel(value, pcie->user_cfg_base + offset);
85 static inline u32 j721e_pcie_intd_readl(struct j721e_pcie *pcie, u32 offset)
87 return readl(pcie->intd_cfg_base + offset);
90 static inline void j721e_pcie_intd_writel(struct j721e_pcie *pcie, u32 offset,
93 writel(value, pcie->intd_cfg_base + offset);
98 struct j721e_pcie *pcie = priv;
99 struct device *dev = pcie->dev;
102 reg = j721e_pcie_intd_readl(pcie, STATUS_REG_SYS_2);
103 if (!(reg & pcie->linkdown_irq_regfield))
108 j721e_pcie_intd_writel(pcie, STATUS_CLR_REG_SYS_2, pcie->linkdown_irq_regfield);
112 static void j721e_pcie_config_link_irq(struct j721e_pcie *pcie)
116 reg = j721e_pcie_intd_readl(pcie, ENABLE_REG_SYS_2);
117 reg |= pcie->linkdown_irq_regfield;
118 j721e_pcie_intd_writel(pcie, ENABLE_REG_SYS_2, reg);
123 struct j721e_pcie *pcie = dev_get_drvdata(cdns_pcie->dev);
126 reg = j721e_pcie_user_readl(pcie, J721E_PCIE_USER_CMD_STATUS);
128 j721e_pcie_user_writel(pcie, J721E_PCIE_USER_CMD_STATUS, reg);
135 struct j721e_pcie *pcie = dev_get_drvdata(cdns_pcie->dev);
138 reg = j721e_pcie_user_readl(pcie, J721E_PCIE_USER_CMD_STATUS);
140 j721e_pcie_user_writel(pcie, J721E_PCIE_USER_CMD_STATUS, reg);
145 struct j721e_pcie *pcie = dev_get_drvdata(cdns_pcie->dev);
148 reg = j721e_pcie_user_readl(pcie, J721E_PCIE_USER_LINKSTATUS);
162 static int j721e_pcie_set_mode(struct j721e_pcie *pcie, struct regmap *syscon)
164 struct device *dev = pcie->dev;
166 u32 mode = pcie->mode;
175 dev_err(dev, "failed to set pcie mode\n");
180 static int j721e_pcie_set_link_speed(struct j721e_pcie *pcie,
183 struct device *dev = pcie->dev;
201 static int j721e_pcie_set_lane_count(struct j721e_pcie *pcie,
204 struct device *dev = pcie->dev;
205 u32 lanes = pcie->num_lanes;
217 static int j721e_pcie_ctrl_init(struct j721e_pcie *pcie)
219 struct device *dev = pcie->dev;
224 syscon = syscon_regmap_lookup_by_phandle(node, "ti,syscon-pcie-ctrl");
226 dev_err(dev, "Unable to get ti,syscon-pcie-ctrl regmap\n");
230 ret = j721e_pcie_set_mode(pcie, syscon);
236 ret = j721e_pcie_set_link_speed(pcie, syscon);
242 ret = j721e_pcie_set_lane_count(pcie, syscon);
314 .compatible = "ti,j721e-pcie-host",
318 .compatible = "ti,j721e-pcie-ep",
322 .compatible = "ti,j7200-pcie-host",
326 .compatible = "ti,j7200-pcie-ep",
330 .compatible = "ti,am64-pcie-host",
334 .compatible = "ti,am64-pcie-ep",
347 struct j721e_pcie *pcie;
363 pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
364 if (!pcie)
367 pcie->dev = dev;
368 pcie->mode = mode;
369 pcie->linkdown_irq_regfield = data->linkdown_irq_regfield;
374 pcie->intd_cfg_base = base;
379 pcie->user_cfg_base = base;
384 pcie->num_lanes = num_lanes;
393 dev_set_drvdata(dev, pcie);
401 ret = j721e_pcie_ctrl_init(pcie);
408 "j721e-pcie-link-down-irq", pcie);
414 j721e_pcie_config_link_irq(pcie);
435 cdns_pcie = &rc->pcie;
438 pcie->cdns_pcie = cdns_pcie;
485 cdns_pcie = &ep->pcie;
488 pcie->cdns_pcie = cdns_pcie;
519 struct j721e_pcie *pcie = platform_get_drvdata(pdev);
520 struct cdns_pcie *cdns_pcie = pcie->cdns_pcie;
534 .name = "j721e-pcie",