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3 Commits

Author SHA1 Message Date
Kumar Gala dd6c910aad 85xx: Add cpu_mp_lmb_reserve helper to reserve boot page 
Provide a board_lmb_reserve helper function to ensure we reserve
the page of memory we are using for the boot page translation code.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
 2008-03-26 11:43:04 -05:00
Kumar Gala 79679d8002 85xx: Update multicore boot mechanism to ePAPR v0.81 spec 
The following changes are needed to be inline with ePAPR v0.81:

* r4, r5 and now always set to 0 on boot release
* r7 is used to pass the size of the initial map area (IMA)
* EPAPR_MAGIC value changed for book-e processors
* changes in the spin table layout
* spin table supports a 64-bit physical release address

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
 2008-03-26 11:43:04 -05:00
Kumar Gala ec2b74ffd3 85xx: Added support for multicore boot mechanism 
Added the cpu command that provides a generic mechanism to get status,
reset, and release secondary cores in multicore processors.

Added support for using the ePAPR defined spin-table mechanism on 85xx.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
 2008-03-26 11:43:03 -05:00