1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun #ifndef __ASM_CSKY_PCI_H 4*4882a593Smuzhiyun #define __ASM_CSKY_PCI_H 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #include <linux/types.h> 7*4882a593Smuzhiyun #include <linux/slab.h> 8*4882a593Smuzhiyun #include <linux/dma-mapping.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <asm/io.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define PCIBIOS_MIN_IO 0 13*4882a593Smuzhiyun #define PCIBIOS_MIN_MEM 0 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* C-SKY shim does not initialize PCI bus */ 16*4882a593Smuzhiyun #define pcibios_assign_all_busses() 1 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun extern int isa_dma_bridge_buggy; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #ifdef CONFIG_PCI pci_get_legacy_ide_irq(struct pci_dev * dev,int channel)21*4882a593Smuzhiyunstatic inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 22*4882a593Smuzhiyun { 23*4882a593Smuzhiyun /* no legacy IRQ on csky */ 24*4882a593Smuzhiyun return -ENODEV; 25*4882a593Smuzhiyun } 26*4882a593Smuzhiyun pci_proc_domain(struct pci_bus * bus)27*4882a593Smuzhiyunstatic inline int pci_proc_domain(struct pci_bus *bus) 28*4882a593Smuzhiyun { 29*4882a593Smuzhiyun /* always show the domain in /proc */ 30*4882a593Smuzhiyun return 1; 31*4882a593Smuzhiyun } 32*4882a593Smuzhiyun #endif /* CONFIG_PCI */ 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #endif /* __ASM_CSKY_PCI_H */ 35