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