// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *
 * Copyright (C) 2003, 04, 11 Ralf Baechle (ralf@linux-mips.org)
 * Copyright (C) 2011 Wind River Systems,
 *   written by Ralf Baechle (ralf@linux-mips.org)
 */
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/memblock.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/of_address.h>

#include <asm/cpu-info.h>

unsigned long PCIBIOS_MIN_IO;
EXPORT_SYMBOL(PCIBIOS_MIN_IO);

unsigned long PCIBIOS_MIN_MEM;
EXPORT_SYMBOL(PCIBIOS_MIN_MEM);

static int __init pcibios_set_cache_line_size(void)
{
        unsigned int lsize;

        /*
         * Set PCI cacheline size to that of the highest level in the
         * cache hierarchy.
         */
        lsize = cpu_dcache_line_size();
        lsize = cpu_scache_line_size() ? : lsize;
        lsize = cpu_tcache_line_size() ? : lsize;

        BUG_ON(!lsize);

        pci_dfl_cache_line_size = lsize >> 2;

        pr_debug("PCI: pci_cache_line_size set to %d bytes\n", lsize);
        return 0;
}
arch_initcall(pcibios_set_cache_line_size);

void pci_resource_to_user(const struct pci_dev *dev, int bar,
                          const struct resource *rsrc, resource_size_t *start,
                          resource_size_t *end)
{
        phys_addr_t size = resource_size(rsrc);

        *start = fixup_bigphys_addr(rsrc->start, size);
        *end = rsrc->start + size - 1;
}