mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.3 KiB
55 lines
1.3 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* |
|
* Copyright (C) 2003, 04, 11 Ralf Baechle ([email protected]) |
|
* Copyright (C) 2011 Wind River Systems, |
|
* written by Ralf Baechle ([email protected]) |
|
*/ |
|
#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; |
|
}
|
|
|