>Not being an expert on ARM cpu's and architectures can someone tell me
>if the coprocessor interface (p15) is part of the CPU (ARM6, ARM7)or
>part of the architecture (v3, v4, v4T)?
It's part of the architecture. You may find that ARM720T has more in common
with SA-1 than ARM710.
>Which of the two forms below should be used
>
>---------------------------------------
>ENTRY(cpu_arm720T_reset)
> mov r0, #0
> mcr p15, 0, r0, c7, c0, 0 @ flush cache
> mcr p15, 0, r0, c8, c7, 0 @ flush TLB (v4)
> mov pc, lr
This one. I'd rather CONFIG_CPU32v4 didn't get involved in this sort of thing
- it only exists to help choose compiler flags.
p.
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