Re: [ANNOUNCE] Boot log for Linux PPC64 on POWER3 hardware

[Olaf Hering]

On Fri, Feb 23, Peter Samuelson wrote:

> 
> [Peter Bergner]
> > The following is a boot log for a 64 bit port of Linux for IBM's 64
> > bit PowerPC processors.  This log was made on a pSeries model 270
> > which uses a POWER3 microprocessor.
> 
> Impressive.  One question, though --
> 
> > starting cpu /cpus/PowerPC,POWER3@1...ok
> > starting cpu /cpus/PowerPC,POWER3@2...ok
> > starting cpu /cpus/PowerPC,POWER3@3...ok
> 
> You have 4 CPUs?

It has 4 CPUs.

> > OpenPIC Version 1.2 (8 CPUs and 32 IRQ sources) at e000000001002000
> > OpenPIC timer frequency is 0 MHz
> 
> ...or is it 8 CPUs?

The controller can handle 8 CPUs.

> > swamsauger:~ # uname -a
> > Linux swamsauger 2.4.0-tg11 #188 Thu Feb 22 19:55:45 CST 2001 ppc64 unknown
> > swamsauger:~ # 
> > swamsauger:~ # cat /proc/cpuinfo 
> > processor       : 0
> 
> ...or just one CPU?

The (native) 64bit port can handle only one CPU right now.

mandarine:~/kernel # cat /proc/cpuinfo 
processor       : 0
cpu             : POWER3 (630+)
clock           : 375MHz
revision        : 1.4
bogomips        : 749.24

processor       : 1
cpu             : POWER3 (630+)
clock           : 375MHz
revision        : 1.4
bogomips        : 749.24

processor       : 2
cpu             : POWER3 (630+)
clock           : 375MHz
revision        : 1.4
bogomips        : 749.24

processor       : 3
cpu             : POWER3 (630+)
clock           : 375MHz
revision        : 1.4
bogomips        : 749.24

total bogomips  : 2995.49
zero pages      : total: 0 (0Kb) current: 0 (0Kb) hits: 0/0 (0%)
machine         : CHRP IBM,7026-B80

Thats the power3 kernel in 32bit emulation mode for that 64bit CPU.

Gruss Olaf

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