1 /* 2 * (C) Copyright 2002 3 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef _PCI_I386_H_ 9 #define _PCI_I386_H_ 10 11 #include <pci.h> 12 13 /* bus mapping constants (used for PCI core initialization) */ 14 #define PCI_REG_ADDR 0xcf8 15 #define PCI_REG_DATA 0xcfc 16 17 #define PCI_CFG_EN 0x80000000 18 19 #ifndef __ASSEMBLY__ 20 21 #define DEFINE_PCI_DEVICE_TABLE(_table) \ 22 const struct pci_device_id _table[] 23 24 struct pci_controller; 25 26 void pci_setup_type1(struct pci_controller *hose); 27 28 int pci_x86_read_config(struct udevice *bus, pci_dev_t bdf, uint offset, 29 ulong *valuep, enum pci_size_t size); 30 31 int pci_x86_write_config(struct udevice *bus, pci_dev_t bdf, uint offset, 32 ulong value, enum pci_size_t size); 33 34 /** 35 * Assign IRQ number to a PCI device 36 * 37 * This function assigns IRQ for a PCI device. If the device does not exist 38 * or does not require interrupts then this function has no effect. 39 * 40 * @bus: PCI bus number 41 * @device: PCI device number 42 * @irq: An array of IRQ numbers that are assigned to INTA through 43 * INTD of this PCI device. 44 */ 45 void pci_assign_irqs(int bus, int device, u8 irq[4]); 46 47 #endif /* __ASSEMBLY__ */ 48 49 #endif /* _PCI_I386_H_ */ 50