ARM: l2c: add L2C-220 specific handlers

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The L2C-220 is different from the L2C-210 and L2C-310 in that every
operation is a background operation: this means we have to use
spinlocks to protect all operations, and we have to wait for every
operation to complete.

Should a second operation be attempted while a previous operation
is in progress, the response will be an imprecise abort.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Russell King 2014-03-15 21:29:28 +00:00

parent f777332ba7

commit 733c6bbafd

1 changed files with 157 additions and 10 deletions

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arch/arm/mm/cache-l2x0.c

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