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 | |
15 | unsigned long vga_base; |
16 | EXPORT_SYMBOL(vga_base); |
17 | |
18 | #ifdef __io |
19 | void __iomem *ioport_map(unsigned long port, unsigned int nr) |
20 | { |
21 | return __io(port); |
22 | } |
23 | EXPORT_SYMBOL(ioport_map); |
24 | |
25 | void ioport_unmap(void __iomem *addr) |
26 | { |
27 | } |
28 | EXPORT_SYMBOL(ioport_unmap); |
29 | #endif |
30 | |
31 | #ifdef CONFIG_PCI |
32 | unsigned long pcibios_min_io = 0x1000; |
33 | EXPORT_SYMBOL(pcibios_min_io); |
34 | |
35 | unsigned long pcibios_min_mem = 0x01000000; |
36 | EXPORT_SYMBOL(pcibios_min_mem); |
37 | |
38 | void 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 | } |
44 | EXPORT_SYMBOL(pci_iounmap); |
45 | #endif |
46 |