[RTEMS Project] #2343: [Patch] Fix Zynq SMP boot
RTEMS trac
trac at rtems.org
Sat May 9 18:53:37 UTC 2015
#2343: [Patch] Fix Zynq SMP boot
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Reporter: jbrandmeyer | Owner:
Type: defect | Status: new
Priority: high | Milestone: 4.11.1
Component: SMP | Version: 4.10
Severity: normal | Resolution:
Keywords: zynq, xilinx_zynq_zedboard |
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Comment (by jbrandmeyer):
Replying to [comment:4 jbrandmeyer]:
> As a compromise, I can craft a patch that
>
> * enables only the last 4k page as device memory
> * enables the remainder of the OCM devices as normal memory, sensitive
to the BSP's definitions provided by ZYNQ_RAM_INT_{0,1}_ORIGIN and
ZYNQ_RAM_INT_{0,1}_LENGTH.
Never mind. RTEMS's CP15 startup code only supports 1M pages right now.
Using second-level page table entries would be a substantial change.
--
Ticket URL: <http://devel.rtems.org/ticket/2343#comment:6>
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