1 files changed, 72 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
new file mode 100644
index 000000000..8c163d1d0
--- /dev/null
+++ b/arch/ia64/include/asm/pci.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_IA64_PCI_H
+#define _ASM_IA64_PCI_H
+
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/scatterlist.h>
+
+#include <asm/io.h>
+#include <asm/hw_irq.h>
+
+struct pci_vector_struct {
+	__u16 segment;	/* PCI Segment number */
+	__u16 bus;	/* PCI Bus number */
+	__u32 pci_id;	/* ACPI split 16 bits device, 16 bits function (see section 6.1.1) */
+	__u8 pin;	/* PCI PIN (0 = A, 1 = B, 2 = C, 3 = D) */
+	__u32 irq;	/* IRQ assigned */
+};
+
+/*
+ * Can be used to override the logic in pci_scan_bus for skipping already-configured bus
+ * numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the
+ * loader.
+ */
+#define pcibios_assign_all_busses()     0
+
+#define PCIBIOS_MIN_IO		0x1000
+#define PCIBIOS_MIN_MEM		0x10000000
+
+#define HAVE_PCI_MMAP
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
+#define arch_can_pci_mmap_wc()	1
+
+#define HAVE_PCI_LEGACY
+extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
+				      struct vm_area_struct *vma,
+				      enum pci_mmap_state mmap_state);
+
+char *pci_get_legacy_mem(struct pci_bus *bus);
+int pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
+int pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
+
+struct pci_controller {
+	struct acpi_device *companion;
+	void *iommu;
+	int segment;
+	int node;		/* nearest node with memory or NUMA_NO_NODE for global allocation */
+
+	void *platform_data;
+};
+
+
+#define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata)
+#define pci_domain_nr(busdev)    (PCI_CONTROLLER(busdev)->segment)
+
+extern struct pci_ops pci_root_ops;
+
+static inline int pci_proc_domain(struct pci_bus *bus)
+{
+	return (pci_domain_nr(bus) != 0);
+}
+
+#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
+static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
+{
+	return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14);
+}
+
+#endif /* _ASM_IA64_PCI_H */