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ARM: ARMv7-M: implement read_cpuid_ext
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Mon, 6 May 2013 09:35:42 +0000 (11:35 +0200)
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fri, 17 May 2013 09:44:40 +0000 (11:44 +0200)
On v7-M the extended cpuid registers are not available from CP15 but they
are memory mapped in the System Control Space.
There isn't an equivalent available for CPUID_{CACHETYPE,TCM,TLBTYPE,MPIDR}.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

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