| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Benjamin Herrenschmidt | 38e9d36 | 2017-01-30 18:11:55 +1100 | [diff] [blame] | 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); |
| Benjamin Herrenschmidt | b3c711a9 | 2017-01-30 18:11:56 +1100 | [diff] [blame] | 8 | extern void isa_bridge_init_non_pci(struct device_node *np); |
| Benjamin Herrenschmidt | 38e9d36 | 2017-01-30 18:11:55 +1100 | [diff] [blame] | 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 | |