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| author | Nick Bofferding <bofferdn@us.ibm.com> | 2018-07-19 15:34:07 -0500 |
|---|---|---|
| committer | Daniel M. Crowell <dcrowell@us.ibm.com> | 2018-07-24 09:26:33 -0500 |
| commit | 923ed59ce8a7703b5d36abee3ada0fd4248a6178 (patch) | |
| tree | ae9d51ffb2952501df29ea09fda824208b004c1f /src/usr/targeting/common/processMrw.pl | |
| parent | f517c6c5507ad449f37417500ad4a36f6295c4d7 (diff) | |
| download | talos-hostboot-923ed59ce8a7703b5d36abee3ada0fd4248a6178.tar.gz talos-hostboot-923ed59ce8a7703b5d36abee3ada0fd4248a6178.zip | |
MRW: If bus object doesn't have I2C_ADDRESS property, get it from I2C slave
This change amends the processMrw.pl script to get the I2C_ADDRESS property
from the I2C slave if it is not available from the I2C bus object. Without
this change, the OpenPOWER MRWs populate invalid I2C addresses in the
HDAT I2C attributes, which Hostboot then ignores, resulting in OS not seeing
all the I2C devices
Change-Id: I6a5f1193f31b124193641174229b5f9433b41d4c
CQ: SW438846
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/62968
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Diffstat (limited to 'src/usr/targeting/common/processMrw.pl')
| -rwxr-xr-x | src/usr/targeting/common/processMrw.pl | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/usr/targeting/common/processMrw.pl b/src/usr/targeting/common/processMrw.pl index d52f2f4e3..beb63f542 100755 --- a/src/usr/targeting/common/processMrw.pl +++ b/src/usr/targeting/common/processMrw.pl @@ -2421,6 +2421,16 @@ sub processI2C $i2c->{SOURCE},$i2c->{BUS_NUM},"I2C_ADDRESS"); } + # If bus doesn't have I2C_ADDRESS or default value is not set, + # then get it from i2c-slave, if defined. + if ($addr eq "") + { + if (! $targetObj->isBadAttribute($i2c->{DEST},"I2C_ADDRESS") ) + { + $addr = $targetObj->getAttribute($i2c->{DEST},"I2C_ADDRESS"); + } + } + if ($addr eq "") {$addr = "0xFF";} if ($targetObj->isBusAttributeDefined( |
