From 09f0551d20ddf6d22c333adcc59f2b1148734273 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 20 Jun 2005 18:44:37 +0100 Subject: [PATCH] ARM: Add iomap support for ARM Signed-off-by: Russell King --- include/asm-arm/io.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'include/asm-arm') 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 @@ -272,6 +272,33 @@ extern void __iounmap(void __iomem *addr); #define iounmap(cookie) __arch_iounmap(cookie) #endif +/* + * io{read,write}{8,16,32} macros + */ +#define ioread8(p) ({ unsigned int __v = __raw_readb(p); __v; }) +#define ioread16(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(p)); __v; }) +#define ioread32(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(p)); __v; }) + +#define iowrite8(v,p) __raw_writeb(v, p) +#define iowrite16(v,p) __raw_writew(cpu_to_le16(v), p) +#define iowrite32(v,p) __raw_writel(cpu_to_le32(v), p) + +#define ioread8_rep(p,d,c) __raw_readsb(p,d,c) +#define ioread16_rep(p,d,c) __raw_readsw(p,d,c) +#define ioread32_rep(p,d,c) __raw_readsl(p,d,c) + +#define iowrite8_rep(p,s,c) __raw_writesb(p,s,c) +#define iowrite16_rep(p,s,c) __raw_writesw(p,s,c) +#define iowrite32_rep(p,s,c) __raw_writesl(p,s,c) + +extern void __iomem *ioport_map(unsigned long port, unsigned int nr); +extern void ioport_unmap(void __iomem *addr); + +struct pci_dev; + +extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen); +extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr); + /* * can the hardware map this into one segment or not, given no other * constraints. -- cgit v1.2.3