brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-07-06 11:16:15 +09:00
Code Issues Projects Releases Wiki Activity

[PATCH 7_9] Replace ace_readw_ace_writeb functions with macros

Browse Source 
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>
This commit is contained in:
Grant Likely 2007-02-20 09:05:31 +01:00 committed by Stefan Roese
parent 3a8ce9af6f
commit f4852ebe6c
1 changed files with 10 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/systemace.c
View File

@ -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
}
/* */