3 // Cadence PCIe controller driver.
9 #include "pcie-cadence.h"
11 void cdns_pcie_detect_quiet_min_delay_set(struct cdns_pcie *pcie)  in cdns_pcie_detect_quiet_min_delay_set()  argument
19 	ltssm_control_cap = cdns_pcie_readl(pcie, CDNS_PCIE_LTSSM_CONTROL_CAP);  in cdns_pcie_detect_quiet_min_delay_set()
24 	cdns_pcie_writel(pcie, CDNS_PCIE_LTSSM_CONTROL_CAP, ltssm_control_cap);  in cdns_pcie_detect_quiet_min_delay_set()
27 void cdns_pcie_set_outbound_region(struct cdns_pcie *pcie, u8 busnr, u8 fn,  in cdns_pcie_set_outbound_region()  argument
47 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR0(r), addr0);  in cdns_pcie_set_outbound_region()
48 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR1(r), addr1);  in cdns_pcie_set_outbound_region()
50 	/* Set the PCIe header descriptor */  in cdns_pcie_set_outbound_region()
59 	 * PCIe descriptor, the PCI function number must be set into  in cdns_pcie_set_outbound_region()
63 	 * mode, the PCIe controller may support more than one function. This  in cdns_pcie_set_outbound_region()
64 	 * function number needs to be set properly into the outbound PCIe  in cdns_pcie_set_outbound_region()
73 	 * the PCIe controller will use the captured values for the bus and  in cdns_pcie_set_outbound_region()
76 	if (pcie->is_rc) {  in cdns_pcie_set_outbound_region()
89 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC0(r), desc0);  in cdns_pcie_set_outbound_region()
90 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC1(r), desc1);  in cdns_pcie_set_outbound_region()
93 	if (pcie->ops->cpu_addr_fixup)  in cdns_pcie_set_outbound_region()
94 		cpu_addr = pcie->ops->cpu_addr_fixup(pcie, cpu_addr);  in cdns_pcie_set_outbound_region()
100 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), addr0);  in cdns_pcie_set_outbound_region()
101 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), addr1);  in cdns_pcie_set_outbound_region()
104 void cdns_pcie_set_outbound_region_for_normal_msg(struct cdns_pcie *pcie,  in cdns_pcie_set_outbound_region_for_normal_msg()  argument
114 	if (pcie->is_rc) {  in cdns_pcie_set_outbound_region_for_normal_msg()
123 	if (pcie->ops->cpu_addr_fixup)  in cdns_pcie_set_outbound_region_for_normal_msg()
124 		cpu_addr = pcie->ops->cpu_addr_fixup(pcie, cpu_addr);  in cdns_pcie_set_outbound_region_for_normal_msg()
130 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR0(r), 0);  in cdns_pcie_set_outbound_region_for_normal_msg()
131 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR1(r), 0);  in cdns_pcie_set_outbound_region_for_normal_msg()
132 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC0(r), desc0);  in cdns_pcie_set_outbound_region_for_normal_msg()
133 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC1(r), desc1);  in cdns_pcie_set_outbound_region_for_normal_msg()
134 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), addr0);  in cdns_pcie_set_outbound_region_for_normal_msg()
135 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), addr1);  in cdns_pcie_set_outbound_region_for_normal_msg()
138 void cdns_pcie_reset_outbound_region(struct cdns_pcie *pcie, u32 r)  in cdns_pcie_reset_outbound_region()  argument
140 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR0(r), 0);  in cdns_pcie_reset_outbound_region()
141 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR1(r), 0);  in cdns_pcie_reset_outbound_region()
143 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC0(r), 0);  in cdns_pcie_reset_outbound_region()
144 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC1(r), 0);  in cdns_pcie_reset_outbound_region()
146 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), 0);  in cdns_pcie_reset_outbound_region()
147 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), 0);  in cdns_pcie_reset_outbound_region()
150 void cdns_pcie_disable_phy(struct cdns_pcie *pcie)  in cdns_pcie_disable_phy()  argument
152 	int i = pcie->phy_count;  in cdns_pcie_disable_phy()
155 		phy_power_off(pcie->phy[i]);  in cdns_pcie_disable_phy()
156 		phy_exit(pcie->phy[i]);  in cdns_pcie_disable_phy()
160 int cdns_pcie_enable_phy(struct cdns_pcie *pcie)  in cdns_pcie_enable_phy()  argument
165 	for (i = 0; i < pcie->phy_count; i++) {  in cdns_pcie_enable_phy()
166 		ret = phy_init(pcie->phy[i]);  in cdns_pcie_enable_phy()
170 		ret = phy_power_on(pcie->phy[i]);  in cdns_pcie_enable_phy()
172 			phy_exit(pcie->phy[i]);  in cdns_pcie_enable_phy()
181 		phy_power_off(pcie->phy[i]);  in cdns_pcie_enable_phy()
182 		phy_exit(pcie->phy[i]);  in cdns_pcie_enable_phy()
188 int cdns_pcie_init_phy(struct device *dev, struct cdns_pcie *pcie)  in cdns_pcie_init_phy()  argument
201 		pcie->phy_count = 0;  in cdns_pcie_init_phy()
228 	pcie->phy_count = phy_count;  in cdns_pcie_init_phy()
229 	pcie->phy = phy;  in cdns_pcie_init_phy()
230 	pcie->link = link;  in cdns_pcie_init_phy()
232 	ret =  cdns_pcie_enable_phy(pcie);  in cdns_pcie_init_phy()
249 	struct cdns_pcie *pcie = dev_get_drvdata(dev);  in cdns_pcie_suspend_noirq()  local
251 	cdns_pcie_disable_phy(pcie);  in cdns_pcie_suspend_noirq()
258 	struct cdns_pcie *pcie = dev_get_drvdata(dev);  in cdns_pcie_resume_noirq()  local
261 	ret = cdns_pcie_enable_phy(pcie);  in cdns_pcie_resume_noirq()