[U-Boot-Users] [RFC/PATCH] 85xx: Initial multicore boot support

[Wolfgang Denk]

In message <Pine.LNX.4.64.0801220214120.31981 at blarg.am.freescale.net> you wrote:
> I was hoping to get some feed back on this patch that will add support for
> booting the multiprocessor 85xx chips.  The boot mechanism is based on the
> forth coming ePAPR spec (based on how device tree, linux
> booting-without-of spec).
> 
> The biggest feedback I'm hoping for is related to the command set and its
> name:
> 
> "cpu     - CPU boot table manipulation and release\n",
>     "<num> reset          - Reset cpu <num>\n"
> "cpu <num> status         - Status of cpu <num>\n"
> "cpu <num> release <addr> - Release cpu <num> and start at <addr>\n"

Above make ssense to me.

> "cpu <num> pir <val>      - Set cpu <num> PIR\n"
> "cpu <num> r3 <val>       - Set cpu <num> r3\n"
> "cpu <num> r4 <val>       - Set cpu <num> r4\n"
> "cpu <num> r7 <val>       - Set cpu <num> r7\n"

But these are highly 85xx or at least PPC specific, it seems.  If  we
design  such a system, it should be able to deal with all kinds of MP
systems, not only 85xx.

Best regards,

Wolfgang Denk

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