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Amlogic's vendor kernel prints these PL310 L2 cache controller settings
during boot:
8 ways, 2048 sets, CACHE_ID 0x4100a0c9, Cache size: 524288 B
AUX_CTRL 0x7ec60001, PERFETCH_CTRL 0x75000007, POWER_CTRL 0x00000000
TAG_LATENCY 0x00000111, DATA_LATENCY 0x00000222
Add the "prefetch-data", "prefetch-instr" and "arm,shared-override"
properties to get the same L2 cache controller configuration as the
vendor kernel.
Four differences still remain:
- L310_AUX_CTRL_EARLY_BRESP is enabled by the vendor kernel, however
this is only supported on Cortex-A9 cores (Meson8b has Cortex-A5 cores
though)
- L310_AUX_CTRL_NS_INT_CTRL is currently not supported by the cache-l2x0
driver
- bit 23 is set by the vendor kernel, but this is defined in cache-l2x0.h
- L310_AUX_CTRL_FULL_LINE_ZERO is enabled by the vendor kernel which is
also only supported on Cortex-A9 cores
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
9bef306b6b