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// 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
13#include <asm/vga.h>
14
15unsigned long vga_base;
16EXPORT_SYMBOL(vga_base);
17
18#ifdef __io
19void __iomem *ioport_map(unsigned long port, unsigned int nr)
20{
21	return __io(port);
22}
23EXPORT_SYMBOL(ioport_map);
24
25void ioport_unmap(void __iomem *addr)
26{
27}
28EXPORT_SYMBOL(ioport_unmap);
29#endif
30
31#ifdef CONFIG_PCI
32unsigned long pcibios_min_io = 0x1000;
33EXPORT_SYMBOL(pcibios_min_io);
34
35unsigned long pcibios_min_mem = 0x01000000;
36EXPORT_SYMBOL(pcibios_min_mem);
37
38void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
39{
40	if ((unsigned long)addr >= VMALLOC_START &&
41	    (unsigned long)addr < VMALLOC_END)
42		iounmap(addr);
43}
44EXPORT_SYMBOL(pci_iounmap);
45#endif