1 // SPDX-License-Identifier: GPL-2.0
3 * linux/arch/arm/mm/iomap.c
5 * Map IO port and PCI memory spaces so that {read,write}[bwl] can
6 * be used to access this memory.
8 #include <linux/module.h>
10 #include <linux/ioport.h>
15 unsigned long vga_base;
16 EXPORT_SYMBOL(vga_base);
19 void __iomem *ioport_map(unsigned long port, unsigned int nr)
23 EXPORT_SYMBOL(ioport_map);
25 void ioport_unmap(void __iomem *addr)
28 EXPORT_SYMBOL(ioport_unmap);
32 unsigned long pcibios_min_io = 0x1000;
33 EXPORT_SYMBOL(pcibios_min_io);
35 unsigned long pcibios_min_mem = 0x01000000;
36 EXPORT_SYMBOL(pcibios_min_mem);
38 void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
40 if ((unsigned long)addr >= VMALLOC_START &&
41 (unsigned long)addr < VMALLOC_END)
44 EXPORT_SYMBOL(pci_iounmap);