1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * linux/arch/arm/mm/iomap.c 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Map IO port and PCI memory spaces so that {read,write}[bwl] can 6*4882a593Smuzhiyun * be used to access this memory. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun #include <linux/module.h> 9*4882a593Smuzhiyun #include <linux/pci.h> 10*4882a593Smuzhiyun #include <linux/ioport.h> 11*4882a593Smuzhiyun #include <linux/io.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <asm/vga.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun unsigned long vga_base; 16*4882a593Smuzhiyun EXPORT_SYMBOL(vga_base); 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #ifdef __io ioport_map(unsigned long port,unsigned int nr)19*4882a593Smuzhiyunvoid __iomem *ioport_map(unsigned long port, unsigned int nr) 20*4882a593Smuzhiyun { 21*4882a593Smuzhiyun return __io(port); 22*4882a593Smuzhiyun } 23*4882a593Smuzhiyun EXPORT_SYMBOL(ioport_map); 24*4882a593Smuzhiyun ioport_unmap(void __iomem * addr)25*4882a593Smuzhiyunvoid ioport_unmap(void __iomem *addr) 26*4882a593Smuzhiyun { 27*4882a593Smuzhiyun } 28*4882a593Smuzhiyun EXPORT_SYMBOL(ioport_unmap); 29*4882a593Smuzhiyun #endif 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #ifdef CONFIG_PCI 32*4882a593Smuzhiyun unsigned long pcibios_min_io = 0x1000; 33*4882a593Smuzhiyun EXPORT_SYMBOL(pcibios_min_io); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun unsigned long pcibios_min_mem = 0x01000000; 36*4882a593Smuzhiyun EXPORT_SYMBOL(pcibios_min_mem); 37*4882a593Smuzhiyun pci_iounmap(struct pci_dev * dev,void __iomem * addr)38*4882a593Smuzhiyunvoid pci_iounmap(struct pci_dev *dev, void __iomem *addr) 39*4882a593Smuzhiyun { 40*4882a593Smuzhiyun if ((unsigned long)addr >= VMALLOC_START && 41*4882a593Smuzhiyun (unsigned long)addr < VMALLOC_END) 42*4882a593Smuzhiyun iounmap(addr); 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun EXPORT_SYMBOL(pci_iounmap); 45*4882a593Smuzhiyun #endif 46