| #
5616e4a1 |
| 24-Feb-2025 |
Chris Cain <cjcain@us.ibm.com> |
meta-ibm: system1: ignore i2c buses up through 200
System1 has a lot of mux's and therefore a lot of i2c buses. Need to
ensure fru-device does not scan i2c buses it should not.
Tested on system1 hw
meta-ibm: system1: ignore i2c buses up through 200
System1 has a lot of mux's and therefore a lot of i2c buses. Need to
ensure fru-device does not scan i2c buses it should not.
Tested on system1 hw
Change-Id: If5845affa11a284d3c74b4fc158ba24deeaad740
Signed-off-by: Chris Cain <cjcain@us.ibm.com>
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| #
db853e44 |
| 14-Jan-2025 |
Andrew Geissler <geissonator@yahoo.com> |
meta-ibm:system1: disable reading of non-i2c vpd chips
System1 has a lot of i2c mux's and devices behind those mux's. The
entity manager fru device ends up scanning devices which are shared
with the
meta-ibm:system1: disable reading of non-i2c vpd chips
System1 has a lot of i2c mux's and devices behind those mux's. The
entity manager fru device ends up scanning devices which are shared
with the host firmware depending on the mux settings. The only thing fru
device needs to be looking at are the vpd chips so exclude everything
else on the bus's.
Tested:
- Confirmed vpd is still read and no bus busy errors are logged anymore
Change-Id: I51c41f9f509bb73091e98c601d56f9ca556b1218
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
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Revision tags: 2.18.0-dev, 2.17.0-dev, 2.16.0-dev |
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| #
8e1f8fcf |
| 25-Oct-2023 |
Andrew Geissler <geissonator@yahoo.com> |
meta-ibm: system1: define blacklist for entity-manager
The only buses we should have EM look at are 0 and 6. I2C bus 6 has a
mux so we also need to look at the virtual bus 36 too. The virtual bus
is
meta-ibm: system1: define blacklist for entity-manager
The only buses we should have EM look at are 0 and 6. I2C bus 6 has a
mux so we also need to look at the virtual bus 36 too. The virtual bus
is defined as an alias in the device tree, i.e. i2c36 = &i2c6mux0chn4;
This will have EM look at the backplane and op-panel seeproms.
Tested:
- Confirmed a lot less "fru-device" busy errors in the journal and that
the required eerpom's were still read.
Change-Id: I0f0695173eed10f7bf40970c5cdf3732d34e7671
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
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