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3 Commits

Author SHA1 Message Date
David Howells
e839ca5287 Disintegrate asm/system.h for SH 
Disintegrate asm/system.h for SH.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-sh@vger.kernel.org
 2012-03-28 18:30:03 +01:00
Paul Mundt
59615ecdb5 sh: Provide a global TLB flush for U/I-TLB clear. 
This provides a sledgehammer approach for clearing the TLBs, only to be
used in cases where we know we will never want to use the mappings again
and have no interest in preserving state. This also destroys wired
entries.

The primary use for this is when we are either entering or exiting the
kernel completely, in the latter case as a precursor for CPU reset by
MMU.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
 2010-07-02 15:44:09 +09:00
Paul Mundt
fbb82b0365 sh: machine_ops based reboot support. 
This provides a machine_ops-based reboot interface loosely cloned from
x86, and converts the native sh32 and sh64 cases over to it.

Necessary both for tying in SMP support and also enabling platforms like
SDK7786 to add support for their microcontroller-based power managers.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
 2010-01-20 16:42:52 +09:00