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author | jmbills <42755197+jmbills@users.noreply.github.com> | 2019-10-25 19:18:16 +0300 |
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committer | GitHub <noreply@github.com> | 2019-10-25 19:18:16 +0300 |
commit | 0dbb60593ebb5a62190c0e6cff7f1770493303a2 (patch) | |
tree | 0df2ce67404dbca3ddc4ee063dbfd9ae455be682 /meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk | |
parent | 34a3942845ac3264ce27c648ae5486d302c3e6d8 (diff) | |
parent | cc9cea46d74d280de03c713c8b555153fd811f09 (diff) | |
download | openbmc-0dbb60593ebb5a62190c0e6cff7f1770493303a2.tar.xz |
Merge branch 'intel' into intel2
Diffstat (limited to 'meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk')
-rwxr-xr-x | meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh b/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh new file mode 100755 index 000000000..27ca3b9dc --- /dev/null +++ b/meta-ibm/meta-witherspoon/recipes-phosphor/chassis/vrm-control/mihawk/ir35221-unbind-bind.sh @@ -0,0 +1,81 @@ +#!/bin/bash +# ######################################################### +# Script to run on mihawk BMC to unbind/bind the ir35221 +# driver's devices + +status=0 +max_retries=3 +driver_path="/sys/bus/i2c/drivers/ir35221/" +platform_path="/sys/devices/platform/ahb/ahb:apb/ahb:apb:bus@1e78a000/" + +unbind_driver () { + echo $1 > $driver_path/unbind +} + +bind_driver () { + device=$1 + tries=0 + + until [ $tries -ge $max_retries ]; do + tries=$((tries+1)) + ret=0 + echo $device > $driver_path/bind || ret=$? + if [ $ret -ne 0 ]; then + echo "VRM $1 bind failed. Try $tries" + sleep 1 + else + tries=$((max_retries+1)) + fi + done + + #Script will return a nonzero value if any binds fail. + if [ $ret -ne 0 ]; then + status=$ret + fi +} + +if [ "$1" = "unbind" ] +then + if [ -e $driver_path/4-0070 ] + then + unbind_driver "4-0070" + fi + + if [ -e $driver_path/4-0072 ] + then + unbind_driver "4-0072" + fi + + if [ -e $driver_path/5-0070 ] + then + unbind_driver "5-0070" + fi + + if [ -e $driver_path/5-0072 ] + then + unbind_driver "5-0072" + fi +elif [ "$1" = "bind" ] +then + if [ -e $platform_path/1e78a140.i2c-bus/i2c-4/4-0070 ] + then + bind_driver "4-0070" + fi + + if [ -e $platform_path/1e78a140.i2c-bus/i2c-4/4-0072 ] + then + bind_driver "4-0072" + fi + + if [ -e $platform_path/1e78a180.i2c-bus/i2c-5/5-0070 ] + then + bind_driver "5-0070" + fi + + if [ -e $platform_path/1e78a180.i2c-bus/i2c-5/5-0072 ] + then + bind_driver "5-0072" + fi +fi + +exit $status |