1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 *  linux/arch/arm/mm/iomap.c
 4 *
 5 * Map IO port and PCI memory spaces so that {read,write}[bwl] can
 6 * be used to access this memory.
 7 */
 8#include <linux/module.h>
 9#include <linux/pci.h>
10#include <linux/ioport.h>
11#include <linux/io.h>
12
13unsigned long vga_base;
14EXPORT_SYMBOL(vga_base);
15
16#ifdef __io
17void __iomem *ioport_map(unsigned long port, unsigned int nr)
18{
19	return __io(port);
20}
21EXPORT_SYMBOL(ioport_map);
22
23void ioport_unmap(void __iomem *addr)
24{
25}
26EXPORT_SYMBOL(ioport_unmap);
27#endif
28
29#ifdef CONFIG_PCI
30unsigned long pcibios_min_io = 0x1000;
31EXPORT_SYMBOL(pcibios_min_io);
32
33unsigned long pcibios_min_mem = 0x01000000;
34EXPORT_SYMBOL(pcibios_min_mem);
35
36void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
37{
38	if ((unsigned long)addr >= VMALLOC_START &&
39	    (unsigned long)addr < VMALLOC_END)
40		iounmap(addr);
41}
42EXPORT_SYMBOL(pci_iounmap);
43#endif

 
 1/*
 2 *  linux/arch/arm/mm/iomap.c
 3 *
 4 * Map IO port and PCI memory spaces so that {read,write}[bwl] can
 5 * be used to access this memory.
 6 */
 7#include <linux/module.h>
 8#include <linux/pci.h>
 9#include <linux/ioport.h>
10#include <linux/io.h>
11
12unsigned long vga_base;
13EXPORT_SYMBOL(vga_base);
14
15#ifdef __io
16void __iomem *ioport_map(unsigned long port, unsigned int nr)
17{
18	return __io(port);
19}
20EXPORT_SYMBOL(ioport_map);
21
22void ioport_unmap(void __iomem *addr)
23{
24}
25EXPORT_SYMBOL(ioport_unmap);
26#endif
27
28#ifdef CONFIG_PCI
29unsigned long pcibios_min_io = 0x1000;
30EXPORT_SYMBOL(pcibios_min_io);
31
32unsigned long pcibios_min_mem = 0x01000000;
33EXPORT_SYMBOL(pcibios_min_mem);
34
35void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
36{
37	if ((unsigned long)addr >= VMALLOC_START &&
38	    (unsigned long)addr < VMALLOC_END)
39		iounmap(addr);
40}
41EXPORT_SYMBOL(pci_iounmap);
42#endif