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powerpc/cache: add cache flush operation for various e500

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Various e500 core have different cache architecture, so they
need different cache flush operations. Therefore, add a callback
function cpu_flush_caches to the struct cpu_spec. The cache flush
operation for the specific kind of e500 is selected at init time.
The callback function will flush all caches inside the current cpu.

Signed-off-by: Chenhui Zhao <chenhui.zhao@freescale.com>
Signed-off-by: Tang Yuantian <Yuantian.Tang@feescale.com>
Signed-off-by: Scott Wood <oss@buserror.net>
This commit is contained in:
chenhui zhao 2015-11-20 17:13:58 +08:00 • committed by Scott Wood
commit e7affb1dba
7 changed files with 128 additions and 78 deletions
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