1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2002 3*4882a593Smuzhiyun * Daniel Engström, Omicron Ceti AB, daniel@omicron.se 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _PCI_I386_H_ 9*4882a593Smuzhiyun #define _PCI_I386_H_ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <pci.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun /* bus mapping constants (used for PCI core initialization) */ 14*4882a593Smuzhiyun #define PCI_REG_ADDR 0xcf8 15*4882a593Smuzhiyun #define PCI_REG_DATA 0xcfc 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define PCI_CFG_EN 0x80000000 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #ifndef __ASSEMBLY__ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun int pci_x86_read_config(struct udevice *bus, pci_dev_t bdf, uint offset, 22*4882a593Smuzhiyun ulong *valuep, enum pci_size_t size); 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun int pci_x86_write_config(struct udevice *bus, pci_dev_t bdf, uint offset, 25*4882a593Smuzhiyun ulong value, enum pci_size_t size); 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun /** 28*4882a593Smuzhiyun * Assign IRQ number to a PCI device 29*4882a593Smuzhiyun * 30*4882a593Smuzhiyun * This function assigns IRQ for a PCI device. If the device does not exist 31*4882a593Smuzhiyun * or does not require interrupts then this function has no effect. 32*4882a593Smuzhiyun * 33*4882a593Smuzhiyun * @bus: PCI bus number 34*4882a593Smuzhiyun * @device: PCI device number 35*4882a593Smuzhiyun * @irq: An array of IRQ numbers that are assigned to INTA through 36*4882a593Smuzhiyun * INTD of this PCI device. 37*4882a593Smuzhiyun */ 38*4882a593Smuzhiyun void pci_assign_irqs(int bus, int device, u8 irq[4]); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun #endif /* __ASSEMBLY__ */ 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #endif /* _PCI_I386_H_ */ 43