Files
Linux_Drivers/linux_5.10/arch/powerpc/include/asm/isa-bridge.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

31 lines
654 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ISA_BRIDGE_H
#define __ISA_BRIDGE_H
#ifdef CONFIG_PPC64
extern void isa_bridge_find_early(struct pci_controller *hose);
extern void isa_bridge_init_non_pci(struct device_node *np);
static inline int isa_vaddr_is_ioport(void __iomem *address)
{
/* Check if address hits the reserved legacy IO range */
unsigned long ea = (unsigned long)address;
return ea >= ISA_IO_BASE && ea < ISA_IO_END;
}
#else
static inline int isa_vaddr_is_ioport(void __iomem *address)
{
/* No specific ISA handling on ppc32 at this stage, it
* all goes through PCI
*/
return 0;
}
#endif
#endif /* __ISA_BRIDGE_H */