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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/mips/mach-octeon/include/mach/octeon_pci.h | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/mips/mach-octeon/include/mach/octeon_pci.h')
-rw-r--r-- | roms/u-boot/arch/mips/mach-octeon/include/mach/octeon_pci.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/roms/u-boot/arch/mips/mach-octeon/include/mach/octeon_pci.h b/roms/u-boot/arch/mips/mach-octeon/include/mach/octeon_pci.h new file mode 100644 index 000000000..3034f23dc --- /dev/null +++ b/roms/u-boot/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__ */ |