3  * PCIe driver for Renesas R-Car SoCs
12 #include "pcie-rcar.h"
14 void rcar_pci_write_reg(struct rcar_pcie *pcie, u32 val, unsigned int reg)  in rcar_pci_write_reg()  argument
16 	writel(val, pcie->base + reg);  in rcar_pci_write_reg()
19 u32 rcar_pci_read_reg(struct rcar_pcie *pcie, unsigned int reg)  in rcar_pci_read_reg()  argument
21 	return readl(pcie->base + reg);  in rcar_pci_read_reg()
24 void rcar_rmw32(struct rcar_pcie *pcie, int where, u32 mask, u32 data)  in rcar_rmw32()  argument
27 	u32 val = rcar_pci_read_reg(pcie, where & ~3);  in rcar_rmw32()
31 	rcar_pci_write_reg(pcie, val, where & ~3);  in rcar_rmw32()
34 int rcar_pcie_wait_for_phyrdy(struct rcar_pcie *pcie)  in rcar_pcie_wait_for_phyrdy()  argument
39 		if (rcar_pci_read_reg(pcie, PCIEPHYSR) & PHYRDY)  in rcar_pcie_wait_for_phyrdy()
48 int rcar_pcie_wait_for_dl(struct rcar_pcie *pcie)  in rcar_pcie_wait_for_dl()  argument
53 		if ((rcar_pci_read_reg(pcie, PCIETSTR) & DATA_LINK_ACTIVE))  in rcar_pcie_wait_for_dl()
63 void rcar_pcie_set_outbound(struct rcar_pcie *pcie, int win,  in rcar_pcie_set_outbound()  argument
66 	/* Setup PCIe address space mappings for each resource */  in rcar_pcie_set_outbound()
72 	rcar_pci_write_reg(pcie, 0x00000000, PCIEPTCTLR(win));  in rcar_pcie_set_outbound()
83 	rcar_pci_write_reg(pcie, mask << 7, PCIEPAMR(win));  in rcar_pcie_set_outbound()
90 	rcar_pci_write_reg(pcie, upper_32_bits(res_start), PCIEPAUR(win));  in rcar_pcie_set_outbound()
91 	rcar_pci_write_reg(pcie, lower_32_bits(res_start) & ~0x7F,  in rcar_pcie_set_outbound()
99 	rcar_pci_write_reg(pcie, mask, PCIEPTCTLR(win));  in rcar_pcie_set_outbound()
102 void rcar_pcie_set_inbound(struct rcar_pcie *pcie, u64 cpu_addr,  in rcar_pcie_set_inbound()  argument
110 		rcar_pci_write_reg(pcie, lower_32_bits(pci_addr),  in rcar_pcie_set_inbound()
112 	rcar_pci_write_reg(pcie, lower_32_bits(cpu_addr), PCIELAR(idx));  in rcar_pcie_set_inbound()
113 	rcar_pci_write_reg(pcie, flags, PCIELAMR(idx));  in rcar_pcie_set_inbound()
116 		rcar_pci_write_reg(pcie, upper_32_bits(pci_addr),  in rcar_pcie_set_inbound()
118 	rcar_pci_write_reg(pcie, upper_32_bits(cpu_addr), PCIELAR(idx + 1));  in rcar_pcie_set_inbound()
119 	rcar_pci_write_reg(pcie, 0, PCIELAMR(idx + 1));  in rcar_pcie_set_inbound()