diff options
Diffstat (limited to 'arch/microblaze/include/asm/pci-bridge.h')
| -rw-r--r-- | arch/microblaze/include/asm/pci-bridge.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h new file mode 100644 index 0000000000..be5f504bea --- /dev/null +++ b/arch/microblaze/include/asm/pci-bridge.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _ASM_MICROBLAZE_PCI_BRIDGE_H +#define _ASM_MICROBLAZE_PCI_BRIDGE_H +#ifdef __KERNEL__ +/* + */ +#include <linux/pci.h> +#include <linux/list.h> +#include <linux/ioport.h> + +struct device_node; + +#ifdef CONFIG_PCI +extern struct list_head hose_list; +extern int pcibios_vaddr_is_ioport(void __iomem *address); +#else +static inline int pcibios_vaddr_is_ioport(void __iomem *address) +{ + return 0; +} +#endif + +/* + * Structure of a PCI controller (host bridge) + */ +struct pci_controller { + struct pci_bus *bus; + struct list_head list_node; + + void __iomem *io_base_virt; + + /* Currently, we limit ourselves to 1 IO range and 3 mem + * ranges since the common pci_bus structure can't handle more + */ + struct resource io_resource; +}; + +#ifdef CONFIG_PCI +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 /* CONFIG_PCI */ + +#endif /* __KERNEL__ */ +#endif /* _ASM_MICROBLAZE_PCI_BRIDGE_H */ |