diff options
Diffstat (limited to 'target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_raw_io.h')
-rw-r--r-- | target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_raw_io.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_raw_io.h b/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_raw_io.h new file mode 100644 index 0000000000..246a45568d --- /dev/null +++ b/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_raw_io.h @@ -0,0 +1,181 @@ +/* + * linux/include/asm-m68k/cf_raw_io.h + * + * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * 09/30/08 JKM: split Coldfire pieces into separate file + */ +#ifndef __CF_RAW_IO__ +#define __CF_RAW_IO__ + +#ifdef __KERNEL__ + +#include <asm/types.h> + +/* Values for nocacheflag and cmode */ +#define IOMAP_FULL_CACHING 0 +#define IOMAP_NOCACHE_SER 1 +#define IOMAP_NOCACHE_NONSER 2 +#define IOMAP_WRITETHROUGH 3 + +extern void iounmap(void __iomem *addr); + +extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size, + int cacheflag); +extern void __iounmap(void *addr, unsigned long size); + + +/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates + * two accesses to memory, which may be undesirable for some devices. + */ +#define in_8(addr) \ + ({ u8 __v = (*(__force volatile u8 *) (addr)); __v; }) +#define in_be16(addr) \ + ({ u16 __v = (*(__force volatile u16 *) (addr)); __v; }) +#define in_be32(addr) \ + ({ u32 __v = (*(__force volatile u32 *) (addr)); __v; }) +#define in_le16(addr) \ + ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; }) +#define in_le32(addr) \ + ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; }) + +#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b)) +#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w)) +#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l)) +#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w)) +#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l)) + + +#ifdef CONFIG_PCI +/* pci */ +unsigned char pci_inb(long addr); +unsigned short pci_inw(long addr); +unsigned long pci_inl(long addr); + +void pci_outb(unsigned char val, long addr); +void pci_outw(unsigned short val, long addr); +void pci_outl(unsigned long val, long addr); + +void pci_insb(volatile unsigned char *addr, + unsigned char *buf, int len); +void pci_insw(volatile unsigned short *addr, + unsigned short *buf, int len); +void pci_insl(volatile unsigned long *addr, + unsigned long *buf, int len); + +void pci_outsb(volatile unsigned char *addr, + const unsigned char *buf, int len); +void pci_outsw(volatile unsigned short *addr, + const unsigned short *buf, int len); +void pci_outsl(volatile unsigned long *addr, + const unsigned long *buf, int len); + +unsigned short pci_raw_inw(long addr); +unsigned long pci_raw_inl(long addr); +void pci_raw_outw(unsigned short val, long addr); +void pci_raw_outl(unsigned long val, long addr); + +#define raw_inb(port) pci_inb((long)((volatile unsigned char *)(port))) +#define raw_inw(port) pci_raw_inw((long)((volatile unsigned short *)(port))) +#define raw_inl(port) pci_raw_inl((long)((volatile unsigned long *)(port))) + +#define raw_outb(val, port) \ + pci_outb((val), (long)((volatile unsigned char *)(port))) +#define raw_outw(val, port) \ + pci_raw_outw((val), (long)((volatile unsigned short *)(port))) +#define raw_outl(val, port) \ + pci_raw_outl((val), (long)((volatile unsigned long *)(port))) + +#define swap_inw(port) pci_inw((long)((volatile unsigned short *)(port))) +#define swap_outw(val, port) \ + pci_outw((val), (long)((volatile unsigned short *)(port))) + +#else +/* non-pci */ +#define raw_inb in_8 +#define raw_inw in_be16 +#define raw_inl in_be32 + +#define raw_outb(val,port) out_8((port),(val)) +#define raw_outw(val,port) out_be16((port),(val)) +#define raw_outl(val,port) out_be32((port),(val)) + +#define swap_inw(port) in_le16((port)) +#define swap_outw(val,port) out_le16((port),(val)) +#endif + +static inline void raw_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len) +{ + unsigned int i; + + for (i = 0; i < len; i++) + *buf++ = in_8(port); +} + +static inline void raw_outsb(volatile u8 __iomem *port, const u8 *buf, + unsigned int len) +{ + unsigned int i; + + for (i = 0; i < len; i++) + out_8(port, *buf++); +} + +static inline void raw_insw(volatile u16 *port, u16 *buf, unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++) + *buf++ = raw_inw(port); +} + +static inline void raw_outsw(volatile u16 *port, const u16 *buf, + unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++, buf++) + raw_outw(*buf, port); +} + +static inline void raw_insl(volatile u32 *port, u32 *buf, unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++) + *buf++ = raw_inl(port); +} + +static inline void raw_outsl(volatile u32 *port, const u32 *buf, + unsigned int nr) +{ + unsigned int i; + + for (i = 0; i < nr; i++, buf++) + raw_outl(*buf, port); +} + +static inline void raw_insw_swapw(volatile u16 *port, u16 *buf, + unsigned int nr) +{ +#ifdef UNDEF + unsigned int i; + + for (i = 0; i < nr; i++) + *buf++ = in_le16(port); +#endif +} + +static inline void raw_outsw_swapw(volatile u16 __iomem *port, const u16 *buf, + unsigned int nr) +{ +#ifdef UNDEF + unsigned int i; + + for (i = 0; i < nr; i++, buf++) + out_le16(port, *buf); +#endif +} + +#endif /* __KERNEL__ */ + +#endif /* __CF_RAW_IO__ */ |