]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
5924486d RK |
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> | |
fced80c7 | 11 | #include <linux/io.h> |
5924486d | 12 | |
cc22b4c1 RH |
13 | unsigned long vga_base; |
14 | EXPORT_SYMBOL(vga_base); | |
15 | ||
5924486d RK |
16 | #ifdef __io |
17 | void __iomem *ioport_map(unsigned long port, unsigned int nr) | |
18 | { | |
19 | return __io(port); | |
20 | } | |
21 | EXPORT_SYMBOL(ioport_map); | |
22 | ||
23 | void ioport_unmap(void __iomem *addr) | |
24 | { | |
25 | } | |
26 | EXPORT_SYMBOL(ioport_unmap); | |
27 | #endif | |
28 | ||
29 | #ifdef CONFIG_PCI | |
c9d95fbe RH |
30 | unsigned long pcibios_min_io = 0x1000; |
31 | EXPORT_SYMBOL(pcibios_min_io); | |
32 | ||
33 | unsigned long pcibios_min_mem = 0x01000000; | |
34 | EXPORT_SYMBOL(pcibios_min_mem); | |
35 | ||
5924486d RK |
36 | void pci_iounmap(struct pci_dev *dev, void __iomem *addr) |
37 | { | |
38 | if ((unsigned long)addr >= VMALLOC_START && | |
39 | (unsigned long)addr < VMALLOC_END) | |
40 | iounmap(addr); | |
41 | } | |
42 | EXPORT_SYMBOL(pci_iounmap); | |
43 | #endif |