controller/cadence/pcie-cadence.c

3 // Cadence PCIe controller driver.
8 #include "pcie-cadence.h"
10 void cdns_pcie_set_outbound_region(struct cdns_pcie *pcie, u8 busnr, u8 fn,  in cdns_pcie_set_outbound_region()  argument
30 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR0(r), addr0);  in cdns_pcie_set_outbound_region()
31 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR1(r), addr1);  in cdns_pcie_set_outbound_region()
33 	/* Set the PCIe header descriptor */  in cdns_pcie_set_outbound_region()
42 	 * PCIe descriptor, the PCI function number must be set into  in cdns_pcie_set_outbound_region()
46 	 * mode, the PCIe controller may support more than one function. This  in cdns_pcie_set_outbound_region()
47 	 * function number needs to be set properly into the outbound PCIe  in cdns_pcie_set_outbound_region()
56 	 * the PCIe controller will use the captured values for the bus and  in cdns_pcie_set_outbound_region()
59 	if (pcie->is_rc) {  in cdns_pcie_set_outbound_region()
72 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC0(r), desc0);  in cdns_pcie_set_outbound_region()
73 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC1(r), desc1);  in cdns_pcie_set_outbound_region()
76 	if (pcie->ops->cpu_addr_fixup)  in cdns_pcie_set_outbound_region()
77 		cpu_addr = pcie->ops->cpu_addr_fixup(pcie, cpu_addr);  in cdns_pcie_set_outbound_region()
83 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), addr0);  in cdns_pcie_set_outbound_region()
84 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), addr1);  in cdns_pcie_set_outbound_region()
87 void cdns_pcie_set_outbound_region_for_normal_msg(struct cdns_pcie *pcie,  in cdns_pcie_set_outbound_region_for_normal_msg()  argument
97 	if (pcie->is_rc) {  in cdns_pcie_set_outbound_region_for_normal_msg()
106 	if (pcie->ops->cpu_addr_fixup)  in cdns_pcie_set_outbound_region_for_normal_msg()
107 		cpu_addr = pcie->ops->cpu_addr_fixup(pcie, cpu_addr);  in cdns_pcie_set_outbound_region_for_normal_msg()
113 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR0(r), 0);  in cdns_pcie_set_outbound_region_for_normal_msg()
114 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR1(r), 0);  in cdns_pcie_set_outbound_region_for_normal_msg()
115 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC0(r), desc0);  in cdns_pcie_set_outbound_region_for_normal_msg()
116 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC1(r), desc1);  in cdns_pcie_set_outbound_region_for_normal_msg()
117 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), addr0);  in cdns_pcie_set_outbound_region_for_normal_msg()
118 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), addr1);  in cdns_pcie_set_outbound_region_for_normal_msg()
121 void cdns_pcie_reset_outbound_region(struct cdns_pcie *pcie, u32 r)  in cdns_pcie_reset_outbound_region()  argument
123 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR0(r), 0);  in cdns_pcie_reset_outbound_region()
124 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_PCI_ADDR1(r), 0);  in cdns_pcie_reset_outbound_region()
126 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC0(r), 0);  in cdns_pcie_reset_outbound_region()
127 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_DESC1(r), 0);  in cdns_pcie_reset_outbound_region()
129 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), 0);  in cdns_pcie_reset_outbound_region()
130 	cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), 0);  in cdns_pcie_reset_outbound_region()
133 void cdns_pcie_disable_phy(struct cdns_pcie *pcie)  in cdns_pcie_disable_phy()  argument
135 	int i = pcie->phy_count;  in cdns_pcie_disable_phy()
138 		phy_power_off(pcie->phy[i]);  in cdns_pcie_disable_phy()
139 		phy_exit(pcie->phy[i]);  in cdns_pcie_disable_phy()
143 int cdns_pcie_enable_phy(struct cdns_pcie *pcie)  in cdns_pcie_enable_phy()  argument
148 	for (i = 0; i < pcie->phy_count; i++) {  in cdns_pcie_enable_phy()
149 		ret = phy_init(pcie->phy[i]);  in cdns_pcie_enable_phy()
153 		ret = phy_power_on(pcie->phy[i]);  in cdns_pcie_enable_phy()
155 			phy_exit(pcie->phy[i]);  in cdns_pcie_enable_phy()
164 		phy_power_off(pcie->phy[i]);  in cdns_pcie_enable_phy()
165 		phy_exit(pcie->phy[i]);  in cdns_pcie_enable_phy()
171 int cdns_pcie_init_phy(struct device *dev, struct cdns_pcie *pcie)  in cdns_pcie_init_phy()  argument
184 		pcie->phy_count = 0;  in cdns_pcie_init_phy()
211 	pcie->phy_count = phy_count;  in cdns_pcie_init_phy()
212 	pcie->phy = phy;  in cdns_pcie_init_phy()
213 	pcie->link = link;  in cdns_pcie_init_phy()
215 	ret =  cdns_pcie_enable_phy(pcie);  in cdns_pcie_init_phy()
233 	struct cdns_pcie *pcie = dev_get_drvdata(dev);  in cdns_pcie_suspend_noirq()  local
235 	cdns_pcie_disable_phy(pcie);  in cdns_pcie_suspend_noirq()
242 	struct cdns_pcie *pcie = dev_get_drvdata(dev);  in cdns_pcie_resume_noirq()  local
245 	ret = cdns_pcie_enable_phy(pcie);  in cdns_pcie_resume_noirq()