1 files changed, 68 insertions, 0 deletions
diff --git a/arch/mips/mach-octeon/include/mach/octeon_pci.h b/arch/mips/mach-octeon/include/mach/octeon_pci.h
new file mode 100644
index 0000000000..3034f23dc6
--- /dev/null
+++ b/arch/mips/mach-octeon/include/mach/octeon_pci.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#ifndef __OCTEON_PCI_H__
+#define __OCTEON_PCI_H__
+
+/**
+ * EEPROM entry struct
+ */
+union octeon_pcie_eeprom {
+	u64 u64;
+	struct octeon_data_s {
+		/**
+		 * 0x9DA1 valid entry, 0x6A5D end of table, 0xffff invalid
+		 * access
+		 */
+		u64 preamble : 16;
+u64: 1; /** Reserved */
+		/** Physical function number accessed by the write operation. */
+		u64 pf : 2;
+		/**
+		 * Specifies bit<31> of the address written by hardware.
+		 * 1 = configuration mask register, 0 = configuration register
+		 */
+		u64 cs2 : 1;
+		/**
+		 * Specifies bits<11:0> of the address written by hardware.
+		 * Bits<30:12> of this address are all 0s.
+		 */
+		u64 address : 12;
+		u64 data : 32;
+	} s;
+};
+
+void pci_dev_post_init(void);
+
+int octeon_pci_io_readb(unsigned int reg);
+void octeon_pci_io_writeb(int value, unsigned int reg);
+int octeon_pci_io_readw(unsigned int reg);
+void octeon_pci_io_writew(int value, unsigned int reg);
+int octeon_pci_io_readl(unsigned int reg);
+void octeon_pci_io_writel(int value, unsigned int reg);
+int octeon_pci_mem1_readb(unsigned int reg);
+void octeon_pci_mem1_writeb(int value, unsigned int reg);
+int octeon_pci_mem1_readw(unsigned int reg);
+void octeon_pci_mem1_writew(int value, unsigned int reg);
+int octeon_pci_mem1_readl(unsigned int reg);
+void octeon_pci_mem1_writel(int value, unsigned int reg);
+
+/* In the TLB mapped case, these also work with virtual addresses,
+** and do the required virt<->phys translations as well. */
+u32 octeon_pci_phys_to_bus(u32 phys);
+u32 octeon_pci_bus_to_phys(u32 bus);
+
+/**
+ * Searches PCIe EEPROM for override data specified by address and pf.
+ *
+ * @param	address - PCIe config space address
+ * @param	pf	- PCIe config space pf num
+ * @param[out]	id	- override device and vendor ID
+ *
+ * @return	0 if override found, 1 if not found.
+ */
+int octeon_find_pcie_id_override(unsigned int address, unsigned int pf, u32 *id);
+
+#endif /* __OCTEON_PCI_H__ */