From ac6190234ea8b9eb8818e09802ded2e6f39def7b Mon Sep 17 00:00:00 2001 From: Walter Goossens Date: Wed, 9 Jan 2008 08:44:58 +0000 Subject: [PATCH] nios2: Add missing ioread and iowrite macros Added the ioread8/16/32 and iowrite8/16/32 macros by copying them from the sh port. These are required to be able to compile the opencores i2c driver. Signed-off-by: Walter Goossens --- linux-2.6.x/include/asm-nios2nommu/io.h | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-) diff --git a/linux-2.6.x/include/asm-nios2nommu/io.h b/linux-2.6.x/include/asm-nios2nommu/io.h index 73a5c17..c5676dc 100644 --- a/linux-2.6.x/include/asm-nios2nommu/io.h +++ b/linux-2.6.x/include/asm-nios2nommu/io.h @@ -111,6 +111,27 @@ extern void outsl(unsigned long port, void *src, unsigned long count); #define __raw_writew writew #define __raw_writel writel +/* Simple MMIO */ +#define ioread8(a) readb(a) +#define ioread16(a) readw(a) +#define ioread16be(a) be16_to_cpu(__raw_readw((a))) +#define ioread32(a) readl(a) +#define ioread32be(a) be32_to_cpu(__raw_readl((a))) + +#define iowrite8(v,a) writeb((v),(a)) +#define iowrite16(v,a) writew((v),(a)) +#define iowrite16be(v,a) __raw_writew(cpu_to_be16((v)),(a)) +#define iowrite32(v,a) writel((v),(a)) +#define iowrite32be(v,a) __raw_writel(cpu_to_be32((v)),(a)) + +#define ioread8_rep(a,d,c) insb((a),(d),(c)) +#define ioread16_rep(a,d,c) insw((a),(d),(c)) +#define ioread32_rep(a,d,c) insl((a),(d),(c)) + +#define iowrite8_rep(a,s,c) outsb((a),(s),(c)) +#define iowrite16_rep(a,s,c) outsw((a),(s),(c)) +#define iowrite32_rep(a,s,c) outsl((a),(s),(c)) + #define mmiowb() /* -- 1.5.3.3