aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-arm/io.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/io.h')
-rw-r--r--include/asm-arm/io.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 658ffa384fda..08a46302d265 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -273,6 +273,33 @@ extern void __iounmap(void __iomem *addr);
273#endif 273#endif
274 274
275/* 275/*
276 * io{read,write}{8,16,32} macros
277 */
278#define ioread8(p) ({ unsigned int __v = __raw_readb(p); __v; })
279#define ioread16(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(p)); __v; })
280#define ioread32(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(p)); __v; })
281
282#define iowrite8(v,p) __raw_writeb(v, p)
283#define iowrite16(v,p) __raw_writew(cpu_to_le16(v), p)
284#define iowrite32(v,p) __raw_writel(cpu_to_le32(v), p)
285
286#define ioread8_rep(p,d,c) __raw_readsb(p,d,c)
287#define ioread16_rep(p,d,c) __raw_readsw(p,d,c)
288#define ioread32_rep(p,d,c) __raw_readsl(p,d,c)
289
290#define iowrite8_rep(p,s,c) __raw_writesb(p,s,c)
291#define iowrite16_rep(p,s,c) __raw_writesw(p,s,c)
292#define iowrite32_rep(p,s,c) __raw_writesl(p,s,c)
293
294extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
295extern void ioport_unmap(void __iomem *addr);
296
297struct pci_dev;
298
299extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen);
300extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr);
301
302/*
276 * can the hardware map this into one segment or not, given no other 303 * can the hardware map this into one segment or not, given no other
277 * constraints. 304 * constraints.
278 */ 305 */