// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/arm/mm/iomap.c * * Map IO port and PCI memory spaces so that {read,write}[bwl] can * be used to access this memory. */ #include <linux/module.h> #include <linux/pci.h> #include <linux/ioport.h> #include <linux/io.h> unsigned long vga_base; EXPORT_SYMBOL(vga_base); #ifdef __io void __iomem *ioport_map(unsigned long port, unsigned int nr) { return __io(port); } EXPORT_SYMBOL(ioport_map); void ioport_unmap(void __iomem *addr) { } EXPORT_SYMBOL(ioport_unmap); #endif #ifdef CONFIG_PCI unsigned long pcibios_min_io = 0x1000; EXPORT_SYMBOL(pcibios_min_io); unsigned long pcibios_min_mem = 0x01000000; EXPORT_SYMBOL(pcibios_min_mem); void pci_iounmap(struct pci_dev *dev, void __iomem *addr) { if ((unsigned long)addr >= VMALLOC_START && (unsigned long)addr < VMALLOC_END) iounmap(addr); } EXPORT_SYMBOL(pci_iounmap); #endif