[mirror_ubuntu-bionic-kernel.git] / arch / powerpc / include / asm / isa-bridge.h

/* 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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
38e9d36b BH	2	#ifndef __ISA_BRIDGE_H
	3	#define __ISA_BRIDGE_H
	4
	5	#ifdef CONFIG_PPC64
	6
	7	extern void isa_bridge_find_early(struct pci_controller *hose);
b3c711a9	8	extern void isa_bridge_init_non_pci(struct device_node *np);
38e9d36b BH	9
	10	static inline int isa_vaddr_is_ioport(void __iomem *address)
	11	{
	12	/* Check if address hits the reserved legacy IO range */
	13	unsigned long ea = (unsigned long)address;
	14	return ea >= ISA_IO_BASE && ea < ISA_IO_END;
	15	}
	16
	17	#else
	18
	19	static inline int isa_vaddr_is_ioport(void __iomem *address)
	20	{
	21	/* No specific ISA handling on ppc32 at this stage, it
	22	* all goes through PCI
	23	*/
	24	return 0;
	25	}
	26
	27	#endif
	28
	29	#endif /* __ISA_BRIDGE_H */
	30