G5 fans

Mark Millard marklmi at yahoo.com
Mon Oct 29 01:10:17 UTC 2018



On 2018-Oct-28, at 5:31 PM, Koakuma via freebsd-ppc <freebsd-ppc at freebsd.org> wrote:

> Hi Michael,
> 
> The first command failed to run for me.
> 0 > dev u3/i2c/fan can't find device u3/i2c/fan ok
> 
> Looking at the output of 'dev / ls', there's several devices named
> "fan" under /smu at 0,0/fans at 4a00/*, but running the " .status" command
> on those devices gave me this error:
> 0 > " .status" " /smu at 0,0/fans at 4a00/fan at 0" open-dev $call-method
> Method <.status> not found; ihandle=ffb352c0 phandle=ff99ee00
> ok
> 
> This is on a PowerMac11,2, 2 GHz "dual-core" model.

A so-called G5 "Quad Core" suggests something similar
for finding fans when looked at via ofwdump:

# ofwdump -pr /smu/fans | less
Node 0xff99f698: fans
  name:
    66 61 6e 73 00 
    'fans'
  device_type:
    6d 6f 74 6f 72 2d 63 6f 6e 74 72 6f 6c 00 
    'motor-control'
  compatible:
    73 6d 75 2d 72 70 6d 2d 66 61 6e 73 00 73 6d 75 2d 66 61 6e 
    73 00 
  reg:
    00 00 4a 00 
  built-in:
  hwsensor-params-version:
    00 00 00 02 
  zone:
    00 00 00 00 
  #size-cells:
    00 00 00 00 
  #address-cells:
    00 00 00 01 
  Node 0xff99fbb0: fan
    name:
      66 61 6e 00 
      'fan'
    device_type:
      66 61 6e 2d 72 70 6d 2d 63 6f 6e 74 72 6f 6c 00 
      'fan-rpm-control'
    compatible:
      73 6d 75 2d 72 70 6d 2d 66 61 6e 00 73 6d 75 2d 66 61 6e 00 
      66 61 6e 00 
    reg:
      00 00 00 00 
    built-in:
    version:
      00 00 00 02 
    control-id:
      00 00 00 00 
    location:
      44 52 49 56 45 20 42 41 59 20 41 20 49 4e 54 41 4b 45 00 
      'DRIVE BAY A INTAKE'
    min-value:
      00 00 03 e8 
    max-value:
      00 00 0f a0 
    unmanage-value:
      00 00 0f a0 
    init-value:
      00 00 03 e8 
    safe-value:
      00 00 ff ff 
    zone:
      00 00 00 01 
    motor-type:
      00 00 00 00 
  Node 0xff9a04a8: fan
    name:
      66 61 6e 00 
      'fan'
    device_type:
      66 61 6e 2d 72 70 6d 2d 63 6f 6e 74 72 6f 6c 00 
      'fan-rpm-control'
    compatible:
      73 6d 75 2d 72 70 6d 2d 66 61 6e 00 73 6d 75 2d 66 61 6e 00 
      66 61 6e 00 
    reg:
      00 00 00 01 
    built-in:
    version:
      00 00 00 02 
    control-id:
      00 00 00 01 
    location:
      42 41 43 4b 53 49 44 45 00 
      'BACKSIDE'
    min-value:
      00 00 04 4c 
    max-value:
      00 00 0b b8 
    unmanage-value:
      00 00 0b b8 
    init-value:
      00 00 04 4c 
    safe-value:
      00 00 ff ff 
    zone:
      00 00 00 04 
    motor-type:
      00 00 00 00 
  Node 0xff9a0d98: fan
    name:
      66 61 6e 00 
      'fan'
    device_type:
      66 61 6e 2d 72 70 6d 2d 63 6f 6e 74 72 6f 6c 00 
      'fan-rpm-control'
    compatible:
      73 6d 75 2d 72 70 6d 2d 66 61 6e 00 73 6d 75 2d 66 61 6e 00 
      66 61 6e 00 
    reg:
      00 00 00 02 
    built-in:
    version:
      00 00 00 02 
    control-id:
      00 00 00 02 
    location:
      43 50 55 20 41 20 49 4e 54 41 4b 45 00 
      'CPU A INTAKE'
    min-value:
      00 00 01 e5 
    max-value:
      00 00 0c 80 
    unmanage-value:
      00 00 0c 80 
    init-value:
      00 00 05 af 
    safe-value:
      00 00 01 2c 
    zone:
      00 00 00 00 
    motor-type:
      00 00 00 00 
  Node 0xff9a1688: fan
    name:
      66 61 6e 00 
      'fan'
    device_type:
      66 61 6e 2d 72 70 6d 2d 63 6f 6e 74 72 6f 6c 00 
      'fan-rpm-control'
    compatible:
      73 6d 75 2d 72 70 6d 2d 66 61 6e 00 73 6d 75 2d 66 61 6e 00 
      66 61 6e 00 
    reg:
      00 00 00 03 
    built-in:
    version:
      00 00 00 02 
    control-id:
      00 00 00 03 
    location:
      43 50 55 20 42 20 49 4e 54 41 4b 45 00 
      'CPU B INTAKE'
    min-value:
      00 00 01 e5 
    max-value:
      00 00 0c 80 
    unmanage-value:
      00 00 0c 80 
    init-value:
      00 00 05 af 
    safe-value:
      00 00 01 2c 
    zone:
      00 00 00 00 
    motor-type:
      00 00 00 00 
  Node 0xff9a1f78: fan
    name:
      66 61 6e 00 
      'fan'
    device_type:
      66 61 6e 2d 72 70 6d 2d 63 6f 6e 74 72 6f 6c 00 
      'fan-rpm-control'
    compatible:
      73 6d 75 2d 72 70 6d 2d 66 61 6e 00 73 6d 75 2d 66 61 6e 00 
      66 61 6e 00 
    reg:
      00 00 00 04 
    built-in:
    version:
      00 00 00 02 
    control-id:
      00 00 00 04 
    location:
      43 50 55 20 41 20 45 58 48 41 55 53 54 00 
      'CPU A EXHAUST'
    min-value:
      00 00 01 f4 
    max-value:
      00 00 0c 80 
    unmanage-value:
      00 00 0c 80 
    init-value:
      00 00 05 dc 
    safe-value:
      00 00 0c 80 
    zone:
      00 00 00 00 
    motor-type:
      00 00 00 00 
  Node 0xff9a2868: fan
    name:
      66 61 6e 00 
      'fan'
    device_type:
      66 61 6e 2d 72 70 6d 2d 63 6f 6e 74 72 6f 6c 00 
      'fan-rpm-control'
    compatible:
      73 6d 75 2d 72 70 6d 2d 66 61 6e 00 73 6d 75 2d 66 61 6e 00 
      66 61 6e 00 
    reg:
      00 00 00 05 
    built-in:
    version:
      00 00 00 02 
    control-id:
      00 00 00 05 
    location:
      43 50 55 20 42 20 45 58 48 41 55 53 54 00 
      'CPU B EXHAUST'
    min-value:
      00 00 01 f4 
    max-value:
      00 00 0c 80 
    unmanage-value:
      00 00 0c 80 
    init-value:
      00 00 05 dc 
    safe-value:
      00 00 0c 80 
    zone:
      00 00 00 00 
    motor-type:
      00 00 00 00 
  Node 0xff9a3158: fan
    name:
      66 61 6e 00 
      'fan'
    device_type:
      66 61 6e 2d 72 70 6d 2d 63 6f 6e 74 72 6f 6c 00 
      'fan-rpm-control'
    compatible:
      73 6d 75 2d 72 70 6d 2d 66 61 6e 00 73 6d 75 2d 66 61 6e 00 
      66 61 6e 00 
    reg:
      00 00 00 06 
    built-in:
    version:
      00 00 00 02 
    control-id:
      00 00 00 06 
    location:
      43 50 55 20 41 20 50 55 4d 50 00 
      'CPU A PUMP'
    min-value:
      00 00 04 e2 
    max-value:
      00 00 0e 10 
    unmanage-value:
      00 00 0e 10 
    init-value:
      00 00 0e 10 
    safe-value:
      00 00 ff ff 
    zone:
      00 00 00 00 
    motor-type:
      00 00 00 01 
  Node 0xff9a3a48: fan
    name:
      66 61 6e 00 
      'fan'
    device_type:
      66 61 6e 2d 72 70 6d 2d 63 6f 6e 74 72 6f 6c 00 
      'fan-rpm-control'
    compatible:
      73 6d 75 2d 72 70 6d 2d 66 61 6e 00 73 6d 75 2d 66 61 6e 00 
      66 61 6e 00 
    reg:
      00 00 00 08 
    built-in:
    version:
      00 00 00 02 
    control-id:
      00 00 00 08 
    location:
      45 58 50 41 4e 53 49 4f 4e 20 53 4c 4f 54 53 20 49 4e 54 41 
      4b 45 00 
      'EXPANSION SLOTS INTAKE'
    min-value:
      00 00 06 18 
    max-value:
      00 00 11 94 
    unmanage-value:
      00 00 11 94 
    init-value:
      00 00 06 18 
    safe-value:
      00 00 03 e8 
    zone:
      00 00 00 02 
    motor-type:
      00 00 00 00 


> On Sun Oct 28 22:02:15 UTC 2018, Michael Tuexen <tuexen at freebsd.org>
> wrote:
>> Dear all,
>> 
>> if you have access to a G5 Powermac, could you provide the output of the
>> following command from the OpenFirmware prompt:
>> 
>> dev u3/i2c/fan
>> " .status" " u3/i2c/fan" open-dev $call-method
>> 
>> I'm interested in the RPM channels which are reported as Failed/Available/Active.
>> Please provide also some information what kind of PowerMac G5 it is.
>> 
>> Thanks for your help.
> 





===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)



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