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Diffstat (limited to 'arch/xtensa/include/asm/pci.h')
| -rw-r--r-- | arch/xtensa/include/asm/pci.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h new file mode 100644 index 000000000..b56de9635 --- /dev/null +++ b/arch/xtensa/include/asm/pci.h @@ -0,0 +1,46 @@ +/* + * linux/include/asm-xtensa/pci.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 - 2005 Tensilica Inc. + */ + +#ifndef _XTENSA_PCI_H +#define _XTENSA_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 + +/* Assume some values. (We should revise them, if necessary) */ + +#define PCIBIOS_MIN_IO 0x2000 +#define PCIBIOS_MIN_MEM 0x10000000 + +/* Dynamic DMA mapping stuff. + * Xtensa has everything mapped statically like x86. + */ + +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/scatterlist.h> +#include <linux/string.h> +#include <asm/io.h> + +/* The PCI address space does equal the physical memory address space. + * The networking and block device layers use this boolean for bounce buffer + * decisions. + */ + +/* Tell PCI code what kind of PCI resource mappings we support */ +#define HAVE_PCI_MMAP 1 +#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1 +#define arch_can_pci_mmap_io() 1 + +#endif /* _XTENSA_PCI_H */ |