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| author | Grant Likely <grant.likely@secretlab.ca> | 2007-02-20 09:05:31 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2007-02-20 09:05:31 +0100 |
| commit | f4852ebe6ca946a509667eb68be42026f837be76 (patch) | |
| tree | 917be25c40f04786f46f4ed849769ff2e685ffe1 /drivers/systemace.c | |
| parent | 3a8ce9af6fcb5744a7851b4440c07688acc40844 (diff) | |
| download | u-boot-imx-f4852ebe6ca946a509667eb68be42026f837be76.zip u-boot-imx-f4852ebe6ca946a509667eb68be42026f837be76.tar.gz u-boot-imx-f4852ebe6ca946a509667eb68be42026f837be76.tar.bz2 | |
[PATCH 7_9] Replace ace_readw_ace_writeb functions with macros
Register read/write does not need to be wrapped in a full function. The
patch replaces them with macros.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/systemace.c')
| -rw-r--r-- | drivers/systemace.c | 36 |
1 files changed, 10 insertions, 26 deletions
diff --git a/drivers/systemace.c b/drivers/systemace.c index 8dd98d0..3f329f9 100644 --- a/drivers/systemace.c +++ b/drivers/systemace.c @@ -53,38 +53,22 @@ * to be the base address for the chip, usually in the local * peripheral bus. */ -static unsigned ace_readw(unsigned offset) -{ -#if (CFG_SYSTEMACE_WIDTH == 8) - u16 temp; - -#if !defined(__BIG_ENDIAN) - temp = ((u16) readb(CFG_SYSTEMACE_BASE + offset) << 8); - temp |= (u16) readb(CFG_SYSTEMACE_BASE + offset + 1); -#else - temp = (u16) readb(CFG_SYSTEMACE_BASE + offset); - temp |= ((u16) readb(CFG_SYSTEMACE_BASE + offset + 1) << 8); -#endif - return temp; -#else - return readw(CFG_SYSTEMACE_BASE + offset); -#endif -} - -static void ace_writew(unsigned val, unsigned offset) -{ #if (CFG_SYSTEMACE_WIDTH == 8) #if !defined(__BIG_ENDIAN) - writeb((u8) (val >> 8), CFG_SYSTEMACE_BASE + offset); - writeb((u8) val, CFG_SYSTEMACE_BASE + offset + 1); +#define ace_readw(off) ((readb(CFG_SYSTEMACE_BASE+off)<<8) | \ + (readb(CFG_SYSTEMACE_BASE+off+1))) +#define ace_write(val, off) {writeb(val>>8, CFG_SYSTEMACE_BASE+off); \ + writeb(val, CFG_SYSTEMACE_BASE+off+1);} #else - writeb((u8) val, CFG_SYSTEMACE_BASE + offset); - writeb((u8) (val >> 8), CFG_SYSTEMACE_BASE + offset + 1); +#define ace_readw(off) ((readb(CFG_SYSTEMACE_BASE+off)) | \ + (readb(CFG_SYSTEMACE_BASE+off+1)<<8)) +#define ace_write(val, off) {writeb(val, CFG_SYSTEMACE_BASE+off); \ + writeb(val>>8, CFG_SYSTEMACE_BASE+off+1);} #endif #else - writew(val, CFG_SYSTEMACE_BASE + offset); +#define ace_readw(off) (readw(CFG_SYSTEMACE_BASE+off)) +#define ace_writew(val, off) (writew(val, CFG_SYSTEMACE_BASE+off)) #endif -} /* */ |