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PPC4xx: Simplified post_word_{load, store}

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This patch simplifies post_word_{load,store} by using the preprocessor
to eliminate redundant, copy-and-pasted code.

Signed-off-by: Grant Erickson <gerickson@nuovations.com>
This commit is contained in:
Grant Erickson 2008-05-21 13:28:30 -07:00 committed by Wolfgang Denk
parent 4d91d1df2f
commit 22f371b630
1 changed files with 11 additions and 15 deletions
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26
cpu/ppc4xx/commproc.c
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@ -30,29 +30,25 @@
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
#if defined(CFG_POST_ALT_WORD_ADDR)
#if defined(CFG_POST_WORD_ADDR)
# define _POST_ADDR ((CFG_OCM_DATA_ADDR) + (CFG_POST_WORD_ADDR))
#elif defined(CFG_POST_ALT_WORD_ADDR)
# define _POST_ADDR (CFG_POST_ALT_WORD_ADDR)
#endif
void post_word_store (ulong a)
{
out_be32((void *)CFG_POST_ALT_WORD_ADDR, a);
volatile void *save_addr = (volatile void *)(_POST_ADDR);
out_be32(save_addr, a);
}
ulong post_word_load (void)
{
return in_be32((void *)CFG_POST_ALT_WORD_ADDR);
}
#else /* CFG_POST_ALT_WORD_ADDR */
void post_word_store (ulong a)
{
volatile void *save_addr = (volatile void *)(CFG_OCM_DATA_ADDR + CFG_POST_WORD_ADDR);
*(volatile ulong *) save_addr = a;
}
volatile void *save_addr = (volatile void *)(_POST_ADDR);
ulong post_word_load (void)
{
volatile void *save_addr = (volatile void *)(CFG_OCM_DATA_ADDR + CFG_POST_WORD_ADDR);
return *(volatile ulong *) save_addr;
return in_be32(save_addr);
}
#endif /* CFG_POST_ALT_WORD_ADDR */
#endif /* CONFIG_POST || CONFIG_LOGBUFFER*/