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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/sh/kernel/iomap.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/sh/kernel/iomap.c')
-rw-r--r-- | arch/sh/kernel/iomap.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/sh/kernel/iomap.c b/arch/sh/kernel/iomap.c new file mode 100644 index 00000000..2e8e8b9b --- /dev/null +++ b/arch/sh/kernel/iomap.c @@ -0,0 +1,165 @@ +/* + * arch/sh/kernel/iomap.c + * + * Copyright (C) 2000 Niibe Yutaka + * Copyright (C) 2005 - 2007 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/module.h> +#include <linux/io.h> + +unsigned int ioread8(void __iomem *addr) +{ + return readb(addr); +} +EXPORT_SYMBOL(ioread8); + +unsigned int ioread16(void __iomem *addr) +{ + return readw(addr); +} +EXPORT_SYMBOL(ioread16); + +unsigned int ioread16be(void __iomem *addr) +{ + return be16_to_cpu(__raw_readw(addr)); +} +EXPORT_SYMBOL(ioread16be); + +unsigned int ioread32(void __iomem *addr) +{ + return readl(addr); +} +EXPORT_SYMBOL(ioread32); + +unsigned int ioread32be(void __iomem *addr) +{ + return be32_to_cpu(__raw_readl(addr)); +} +EXPORT_SYMBOL(ioread32be); + +void iowrite8(u8 val, void __iomem *addr) +{ + writeb(val, addr); +} +EXPORT_SYMBOL(iowrite8); + +void iowrite16(u16 val, void __iomem *addr) +{ + writew(val, addr); +} +EXPORT_SYMBOL(iowrite16); + +void iowrite16be(u16 val, void __iomem *addr) +{ + __raw_writew(cpu_to_be16(val), addr); +} +EXPORT_SYMBOL(iowrite16be); + +void iowrite32(u32 val, void __iomem *addr) +{ + writel(val, addr); +} +EXPORT_SYMBOL(iowrite32); + +void iowrite32be(u32 val, void __iomem *addr) +{ + __raw_writel(cpu_to_be32(val), addr); +} +EXPORT_SYMBOL(iowrite32be); + +/* + * These are the "repeat MMIO read/write" functions. + * Note the "__raw" accesses, since we don't want to + * convert to CPU byte order. We write in "IO byte + * order" (we also don't have IO barriers). + */ +static inline void mmio_insb(void __iomem *addr, u8 *dst, int count) +{ + while (--count >= 0) { + u8 data = __raw_readb(addr); + *dst = data; + dst++; + } +} + +static inline void mmio_insw(void __iomem *addr, u16 *dst, int count) +{ + while (--count >= 0) { + u16 data = __raw_readw(addr); + *dst = data; + dst++; + } +} + +static inline void mmio_insl(void __iomem *addr, u32 *dst, int count) +{ + while (--count >= 0) { + u32 data = __raw_readl(addr); + *dst = data; + dst++; + } +} + +static inline void mmio_outsb(void __iomem *addr, const u8 *src, int count) +{ + while (--count >= 0) { + __raw_writeb(*src, addr); + src++; + } +} + +static inline void mmio_outsw(void __iomem *addr, const u16 *src, int count) +{ + while (--count >= 0) { + __raw_writew(*src, addr); + src++; + } +} + +static inline void mmio_outsl(void __iomem *addr, const u32 *src, int count) +{ + while (--count >= 0) { + __raw_writel(*src, addr); + src++; + } +} + +void ioread8_rep(void __iomem *addr, void *dst, unsigned long count) +{ + mmio_insb(addr, dst, count); +} +EXPORT_SYMBOL(ioread8_rep); + +void ioread16_rep(void __iomem *addr, void *dst, unsigned long count) +{ + mmio_insw(addr, dst, count); +} +EXPORT_SYMBOL(ioread16_rep); + +void ioread32_rep(void __iomem *addr, void *dst, unsigned long count) +{ + mmio_insl(addr, dst, count); +} +EXPORT_SYMBOL(ioread32_rep); + +void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count) +{ + mmio_outsb(addr, src, count); +} +EXPORT_SYMBOL(iowrite8_rep); + +void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count) +{ + mmio_outsw(addr, src, count); +} +EXPORT_SYMBOL(iowrite16_rep); + +void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count) +{ + mmio_outsl(addr, src, count); +} +EXPORT_SYMBOL(iowrite32_rep); |