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armv7m: cache: add flush & invalidate all dcache

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Add functionality to flush & invalidate all the dcache using the
prototype declared in common header file.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
[trini: Add dummy functions for the not-enabled case]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Vikas Manocha 2017-05-03 15:48:25 -07:00 committed by Tom Rini
parent a292eb6702
commit a0ee014f1b
1 changed files with 23 additions and 0 deletions
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23
arch/arm/cpu/armv7m/cache.c
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@ -253,6 +253,21 @@ void flush_dcache_range(unsigned long start, unsigned long stop)
return;
}
}
void flush_dcache_all(void)
{
if (action_dcache_all(FLUSH_SET_WAY)) {
printf("ERR: D-cache not flushed\n");
return;
}
}
void invalidate_dcache_all(void)
{
if (action_dcache_all(INVALIDATE_SET_WAY)) {
printf("ERR: D-cache not invalidated\n");
return;
}
}
#else
void dcache_enable(void)
{
@ -268,6 +283,14 @@ int dcache_status(void)
{
return 0;
}
void flush_dcache_all(void)
{
}
void invalidate_dcache_all(void)
{
}
#endif
#ifndef CONFIG_SYS_ICACHE_OFF