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| author | Marek Vasut <marek.vasut@gmail.com> | 2010-07-22 12:07:19 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-08-07 22:34:25 +0200 |
| commit | 560639806da5172147a3b1ebd99839feac38b718 (patch) | |
| tree | 464aff6ee79aa131b1bb9bcfe478b3a042b5cfbe /arch/arm/include/asm | |
| parent | 3df4f46f3209c067dcadc969ed02d27c97fa3632 (diff) | |
| download | u-boot-imx-560639806da5172147a3b1ebd99839feac38b718.zip u-boot-imx-560639806da5172147a3b1ebd99839feac38b718.tar.gz u-boot-imx-560639806da5172147a3b1ebd99839feac38b718.tar.bz2 | |
ARM: Define __raw_readX and __raw_writeX
These functions are undefined on ARM when using __io. These are the commonly
used versions and can be redefined.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/io.h | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index e8f3eb1..ff1518e 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -75,13 +75,47 @@ static inline phys_addr_t virt_to_phys(void * vaddr) #define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v)) #define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) -extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); -extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); -extern void __raw_writesl(unsigned int addr, const void *data, int longlen); +extern inline void __raw_writesb(unsigned int addr, const void *data, int bytelen) +{ + uint8_t *buf = (uint8_t *)data; + while(bytelen--) + __arch_putb(*buf++, addr); +} + +extern inline void __raw_writesw(unsigned int addr, const void *data, int wordlen) +{ + uint16_t *buf = (uint16_t *)data; + while(wordlen--) + __arch_putw(*buf++, addr); +} + +extern inline void __raw_writesl(unsigned int addr, const void *data, int longlen) +{ + uint32_t *buf = (uint32_t *)data; + while(longlen--) + __arch_putl(*buf++, addr); +} -extern void __raw_readsb(unsigned int addr, void *data, int bytelen); -extern void __raw_readsw(unsigned int addr, void *data, int wordlen); -extern void __raw_readsl(unsigned int addr, void *data, int longlen); +extern inline void __raw_readsb(unsigned int addr, void *data, int bytelen) +{ + uint8_t *buf = (uint8_t *)data; + while(bytelen--) + *buf++ = __arch_getb(addr); +} + +extern inline void __raw_readsw(unsigned int addr, void *data, int wordlen) +{ + uint16_t *buf = (uint16_t *)data; + while(wordlen--) + *buf++ = __arch_getw(addr); +} + +extern inline void __raw_readsl(unsigned int addr, void *data, int longlen) +{ + uint32_t *buf = (uint32_t *)data; + while(longlen--) + *buf++ = __arch_getl(addr); +} #define __raw_writeb(v,a) __arch_putb(v,a) #define __raw_writew(v,a) __arch_putw(v,a) |