Robin Murphy a20303725e
ARM: dts: realview: Fix PBX-A9 cache description ...
Clearly QEMU is very permissive in how its PL310 model may be set up,
but the real hardware turns out to be far more particular about things
actually being correct. Fix up the DT description so that the real
thing actually boots:
- The arm,data-latency and arm,tag-latency properties need 3 cells to
be valid, otherwise we end up retaining the default 8-cycle latencies
which leads pretty quickly to lockup.
- The arm,dirty-latency property is only relevant to L210/L220, so get
rid of it.
- The cache geometry override also leads to lockup and/or general
misbehaviour. Irritatingly, the manual doesn't state the actual PL310
configuration, but based on the boardfile code and poking registers
from the Boot Monitor, it would seem to be 8 sets of 16KB ways.
With that, we can successfully boot to enjoy the fun of mismatched FPUs...
Cc: stable@vger.kernel.org
Signed-off-by: Robin Murphy <robin.murphy@arm.com >
Tested-by: Mark Rutland <mark.rutland@arm.com >
Signed-off-by: Linus Walleij <linus.walleij@linaro.org >
Signed-off-by: Arnd Bergmann <arnd@arndb.de >
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