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Now that rpi_*defconfig and Kconfig (rather than the config header file)
provide the identity of the build, we don't need to separate config
headers and board directories for each RPi variant. Set CONFIG_SYS_BOARD
and CONFIG_SYS_CONFIG_NAME so that we can get rid of the duplication. This
requires a tiny number of extra ifdefs in the config header.
The only disadvantage of this approach is that the $board/$board_name
environment variables aren't as descriptive as they used to be. This isn't
really an issue because those only exist to allow scripts to create DTB
filenames at runtime. However, the RPi board code already sets $fdtfile to
something more accurate based on FW-reported board ID anyway.
While at it, unify some Kconfig select options, and add a MAINTAINERS
entry for bcm283x too.
Partially-suggested-by: Tom Rini <[email protected]>
Signed-off-by: Stephen Warren <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Signed-off-by: Stephen Warren <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Now that we have support for running with caches enabled in HYP mode,
opt in to that on the Raspberry Pi 2. This brings a significant performance
boost.
Signed-off-by: Alexander Graf <[email protected]>
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Now that mailbox driver supports cache flush and invalidation, we can
enable dcache.
Signed-off-by: Alexander Stein <[email protected]>
Acked-by: Stephen Warren <[email protected]>
Tested-by: Stephen Warren <[email protected]>
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The cacheline is always 32 bytes for arm1176 CPUs, so define it at board
config level for cache handling code.
The ARM Cortex-A7 has a dcache line size of 64 bytes.
Signed-off-by: Alexander Stein <[email protected]>
Acked-by: Stephen Warren <[email protected]>
Tested-by: Stephen Warren <[email protected]>
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USB doesn't seem to work yet; the controller detects the on-board Hub/
Ethernet device but can't read the descriptors from it. I haven't
investigated yet.
Signed-off-by: Stephen Warren <[email protected]>
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