diff options
Diffstat (limited to 'arch/sparc/include/asm/pci_32.h')
| -rw-r--r-- | arch/sparc/include/asm/pci_32.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h new file mode 100644 index 000000000..cfc0ee947 --- /dev/null +++ b/arch/sparc/include/asm/pci_32.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __SPARC_PCI_H +#define __SPARC_PCI_H + +#ifdef __KERNEL__ + +#include <linux/dma-mapping.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 + +#endif /* __KERNEL__ */ + +#ifndef CONFIG_LEON_PCI +/* generic pci stuff */ +#include <asm-generic/pci.h> +#else +/* + * On LEON PCI Memory space is mapped 1:1 with physical address space. + * + * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses + * are converted into CPU addresses to virtual addresses that are mapped with + * MMU to the PCI Host PCI I/O space window which are translated to the low + * 64Kbytes by the Host controller. + */ + +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return PCI_IRQ_NONE; +} +#endif + +#endif /* __SPARC_PCI_H */ |