3 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
5 * SPDX-License-Identifier: GPL-2.0+
13 /* bus mapping constants (used for PCI core initialization) */
14 #define PCI_REG_ADDR 0xcf8
15 #define PCI_REG_DATA 0xcfc
17 #define PCI_CFG_EN 0x80000000
21 int pci_x86_read_config(struct udevice *bus, pci_dev_t bdf, uint offset,
22 ulong *valuep, enum pci_size_t size);
24 int pci_x86_write_config(struct udevice *bus, pci_dev_t bdf, uint offset,
25 ulong value, enum pci_size_t size);
28 * Assign IRQ number to a PCI device
30 * This function assigns IRQ for a PCI device. If the device does not exist
31 * or does not require interrupts then this function has no effect.
33 * @bus: PCI bus number
34 * @device: PCI device number
35 * @irq: An array of IRQ numbers that are assigned to INTA through
36 * INTD of this PCI device.
38 void pci_assign_irqs(int bus, int device, u8 irq[4]);
40 #endif /* __ASSEMBLY__ */
42 #endif /* _PCI_I386_H_ */