arm: socfpga: Add clock for smp_twd timer
[linux-2.6.git] / arch / xtensa / include / asm / pci.h
blob614be031a79ab543295d8fe6b045db3a0aadb258
1 /*
2 * linux/include/asm-xtensa/pci.h
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
8 * Copyright (C) 2001 - 2005 Tensilica Inc.
9 */
11 #ifndef _XTENSA_PCI_H
12 #define _XTENSA_PCI_H
14 #ifdef __KERNEL__
16 /* Can be used to override the logic in pci_scan_bus for skipping
17 * already-configured bus numbers - to be used for buggy BIOSes
18 * or architectures with incomplete PCI setup by the loader
21 #define pcibios_assign_all_busses() 0
23 extern struct pci_controller* pcibios_alloc_controller(void);
25 static inline void pcibios_penalize_isa_irq(int irq)
27 /* We don't do dynamic PCI IRQ allocation */
30 /* Assume some values. (We should revise them, if necessary) */
32 #define PCIBIOS_MIN_IO 0x2000
33 #define PCIBIOS_MIN_MEM 0x10000000
35 /* Dynamic DMA mapping stuff.
36 * Xtensa has everything mapped statically like x86.
39 #include <linux/types.h>
40 #include <linux/slab.h>
41 #include <asm/scatterlist.h>
42 #include <linux/string.h>
43 #include <asm/io.h>
45 struct pci_dev;
47 /* The PCI address space does equal the physical memory address space.
48 * The networking and block device layers use this boolean for bounce buffer
49 * decisions.
52 #define PCI_DMA_BUS_IS_PHYS (1)
54 /* Map a range of PCI memory or I/O space for a device into user space */
55 int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
56 enum pci_mmap_state mmap_state, int write_combine);
58 /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
59 #define HAVE_PCI_MMAP 1
61 #endif /* __KERNEL__ */
63 /* Implement the pci_ DMA API in terms of the generic device dma_ one */
64 #include <asm-generic/pci-dma-compat.h>
66 /* Generic PCI */
67 #include <asm-generic/pci.h>
69 #endif /* _XTENSA_PCI_H */