Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h
new file mode 100644
index 0000000000..1419aa84df
--- /dev/null
+++ b/arch/sparc/include/asm/pci.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ___ASM_SPARC_PCI_H
+#define ___ASM_SPARC_PCI_H
+
+
+/* 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		0UL
+#define PCIBIOS_MIN_MEM		0UL
+
+#define PCI_IRQ_NONE		0xffffffff
+
+
+#ifdef CONFIG_SPARC64
+
+/* PCI IOMMU mapping bypass support. */
+
+/* PCI 64-bit addressing works for all slots on all controller
+ * types on sparc64.  However, it requires that the device
+ * can drive enough of the 64 bits.
+ */
+#define PCI64_REQUIRED_MASK	(~(u64)0)
+#define PCI64_ADDR_BASE		0xfffc000000000000UL
+
+/* Return the index of the PCI controller for device PDEV. */
+int pci_domain_nr(struct pci_bus *bus);
+static inline int pci_proc_domain(struct pci_bus *bus)
+{
+	return 1;
+}
+
+/* Platform support for /proc/bus/pci/X/Y mmap()s. */
+#define HAVE_PCI_MMAP
+#define arch_can_pci_mmap_io()	1
+#define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
+#define get_pci_unmapped_area get_fb_unmapped_area
+#endif /* CONFIG_SPARC64 */
+
+#endif /* ___ASM_SPARC_PCI_H */