2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License as published by the
4 * Free Software Foundation; either version 2 of the License, or (at your
5 * option) any later version.
7 * Copyright (C) 2003, 04, 11 Ralf Baechle (ralf@linux-mips.org)
8 * Copyright (C) 2011 Wind River Systems,
9 * written by Ralf Baechle (ralf@linux-mips.org)
11 #include <linux/bug.h>
12 #include <linux/kernel.h>
14 #include <linux/bootmem.h>
15 #include <linux/export.h>
16 #include <linux/init.h>
17 #include <linux/types.h>
18 #include <linux/pci.h>
19 #include <linux/of_address.h>
21 #include <asm/cpu-info.h>
23 unsigned long PCIBIOS_MIN_IO;
24 EXPORT_SYMBOL(PCIBIOS_MIN_IO);
26 unsigned long PCIBIOS_MIN_MEM;
27 EXPORT_SYMBOL(PCIBIOS_MIN_MEM);
29 static int __init pcibios_set_cache_line_size(void)
34 * Set PCI cacheline size to that of the highest level in the
37 lsize = cpu_dcache_line_size();
38 lsize = cpu_scache_line_size() ? : lsize;
39 lsize = cpu_tcache_line_size() ? : lsize;
43 pci_dfl_cache_line_size = lsize >> 2;
45 pr_debug("PCI: pci_cache_line_size set to %d bytes\n", lsize);
48 arch_initcall(pcibios_set_cache_line_size);
50 void pci_resource_to_user(const struct pci_dev *dev, int bar,
51 const struct resource *rsrc, resource_size_t *start,
54 phys_addr_t size = resource_size(rsrc);
56 *start = fixup_bigphys_addr(rsrc->start, size);
57 *end = rsrc->start + size - 1;