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Support moving the GCR base address & updating the CPU's CP0 CMGCRBase
register appropriately. This is required if a platform needs to move its
GCRs away from other memory, as the MIPS Boston development board does
to avoid its flash memory.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
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Implement RESET_BASE register which is local to each VP and a write to
it changes VP's reset exception base. Also, add OTHER register to
allow a software running on one VP to access other VP's local registers.
Guest can use this mechanism to specify custom address from which a VP
will start execution.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
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Add GIC to CPS and expose its interrupt pins instead of CPU's.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
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Move the inclusion out of hw/hw.h, most files do not need it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Create Cluster Power Controller and add a link to the CPC MemoryRegion
in GCR. Guest can enable / map CPC to any physical address by writing to
the memory-mapped GCR_CPC_BASE register.
Set vp-start-reset property to 1 to allow only first VP to run from reset.
Others are brought up by the guest via CPC memory-mapped registers.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
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Add initial GCR support to indicate number of VPs present in the system,
L2 bypass mode and revision number.
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
[leon.alrae@imgtec.com:
* removed GIC part,
* changed commit message,
* replaced %lx format spec. with PRIx64,
* renamed mips_gcr.{c,h} to mips_cmgcr.{c,h},
* replaced CONFIG_MIPS_GIC with CONFIG_MIPS_CPS]
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
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