1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 2fea25720SGraeme Russ /* 3fea25720SGraeme Russ * (C) Copyright 2002 4fa82f871SAlbert ARIBAUD * Daniel Engström, Omicron Ceti AB, daniel@omicron.se 5fea25720SGraeme Russ */ 6fea25720SGraeme Russ 7fea25720SGraeme Russ #ifndef _PCI_I386_H_ 8452f50f7SGabe Black #define _PCI_I386_H_ 9fea25720SGraeme Russ 10a219daeaSSimon Glass #include <pci.h> 11a219daeaSSimon Glass 123c8ae536SBin Meng /* bus mapping constants (used for PCI core initialization) */ 133c8ae536SBin Meng #define PCI_REG_ADDR 0xcf8 143c8ae536SBin Meng #define PCI_REG_DATA 0xcfc 153c8ae536SBin Meng 163c8ae536SBin Meng #define PCI_CFG_EN 0x80000000 173c8ae536SBin Meng 183c8ae536SBin Meng #ifndef __ASSEMBLY__ 193c8ae536SBin Meng 20a219daeaSSimon Glass int pci_x86_read_config(struct udevice *bus, pci_dev_t bdf, uint offset, 21a219daeaSSimon Glass ulong *valuep, enum pci_size_t size); 22a219daeaSSimon Glass 23a219daeaSSimon Glass int pci_x86_write_config(struct udevice *bus, pci_dev_t bdf, uint offset, 24a219daeaSSimon Glass ulong value, enum pci_size_t size); 25a219daeaSSimon Glass 26e3e7fa2cSBin Meng /** 27e3e7fa2cSBin Meng * Assign IRQ number to a PCI device 28e3e7fa2cSBin Meng * 29e3e7fa2cSBin Meng * This function assigns IRQ for a PCI device. If the device does not exist 30e3e7fa2cSBin Meng * or does not require interrupts then this function has no effect. 31e3e7fa2cSBin Meng * 32e3e7fa2cSBin Meng * @bus: PCI bus number 33e3e7fa2cSBin Meng * @device: PCI device number 34e3e7fa2cSBin Meng * @irq: An array of IRQ numbers that are assigned to INTA through 35e3e7fa2cSBin Meng * INTD of this PCI device. 36e3e7fa2cSBin Meng */ 3731a2dc69SBin Meng void pci_assign_irqs(int bus, int device, u8 irq[4]); 38e3e7fa2cSBin Meng 393c8ae536SBin Meng #endif /* __ASSEMBLY__ */ 403c8ae536SBin Meng 413c8ae536SBin Meng #endif /* _PCI_I386_H_ */ 42