diff options
Diffstat (limited to 'arch/sparc/include/asm/pci.h')
| -rw-r--r-- | arch/sparc/include/asm/pci.h | 53 |
1 files changed, 49 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h index cad79a6ce0e4..cfec79bb1831 100644 --- a/arch/sparc/include/asm/pci.h +++ b/arch/sparc/include/asm/pci.h @@ -1,9 +1,54 @@ /* SPDX-License-Identifier: GPL-2.0 */ #ifndef ___ASM_SPARC_PCI_H #define ___ASM_SPARC_PCI_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/pci_64.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 get_pci_unmapped_area get_fb_unmapped_area + +#define HAVE_ARCH_PCI_RESOURCE_TO_USER +#endif /* CONFIG_SPARC64 */ + +#if defined(CONFIG_SPARC64) || defined(CONFIG_LEON_PCI) +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return PCI_IRQ_NONE; +} #else -#include <asm/pci_32.h> -#endif +#include <asm-generic/pci.h> #endif + +#endif /* ___ASM_SPARC_PCI_H */ |