diff options
Diffstat (limited to 'meta-ingrasys/meta-zaius/recipes-phosphor/chassis/avsbus-control/zaius_avsbus.sh')
-rwxr-xr-x | meta-ingrasys/meta-zaius/recipes-phosphor/chassis/avsbus-control/zaius_avsbus.sh | 46 |
1 files changed, 3 insertions, 43 deletions
diff --git a/meta-ingrasys/meta-zaius/recipes-phosphor/chassis/avsbus-control/zaius_avsbus.sh b/meta-ingrasys/meta-zaius/recipes-phosphor/chassis/avsbus-control/zaius_avsbus.sh index 45e60664a..57e7f99b2 100755 --- a/meta-ingrasys/meta-zaius/recipes-phosphor/chassis/avsbus-control/zaius_avsbus.sh +++ b/meta-ingrasys/meta-zaius/recipes-phosphor/chassis/avsbus-control/zaius_avsbus.sh @@ -12,29 +12,14 @@ vdn_i2c_addr_page="0x64:0x01" vcs_i2c_addr_page="0x64:0x00" addrs_pages="$vdd_i2c_addr_page $vdn_i2c_addr_page $vcs_i2c_addr_page" -# Usage: vrm_set_page <bus> <i2c_address> <page> -vrm_set_page() -{ - i2cset -y $1 $2 0x00 $3 b -} +i2c_path="/sys/bus/i2c/devices/" # Usage: vrm_avs_enable <bus> <i2c_address> <page> # Initializes the AVSBus VOUT setpoint to the value in PMBus VOUT_COMMAND -# Sets OPERATION PMBUS register to -# - Enable/Disable: On -# - VOUT Source: AVSBus Target Rail Voltage -# - AVSBus Copy: VOUT_COMMAND remains unchanged -# Writes to VOUT setpoint over AVSBus will persist after the VRM is switched to -# PMBus control. Switching back to AVSBus control restores this persisted -# setpoint rather than re-initializing to PMBus VOUT_COMMAND. This behavior is -# known to Intersil and writing VOUT_COMMAND over PMBus is the only workaround. vrm_avs_enable() { - vrm_set_page "$@" echo Enabling AVSBus on bus $1 VRM @$2 rail $3... - local vout_command=`i2cget -y $1 $2 0x21 w` - i2cset -y $1 $2 0x21 $vout_command w - i2cset -y $1 $2 0x01 0xb0 b + echo 1 > $(echo ${i2c_path}/$1-$(printf "%04x" $2)/hwmon/hwmon*/avs$(printf "%d" $3)_enable) } # Usage: vrm_avs_disable <bus> <i2c_address> <page> @@ -44,28 +29,8 @@ vrm_avs_enable() # - AVSBus Copy: VOUT_COMMAND remains unchanged vrm_avs_disable() { - vrm_set_page "$@" echo Disabling AVSBus on bus $1 VRM @$2 rail $3... - i2cset -y $1 $2 0x01 0x80 b -} - -# Usage: vrm_vout_max_1v1 <bus> <i2c_address> <page> -# Sets VOUT_MAX to 1.1V -vrm_vout_max_1v1() -{ - vrm_set_page "$@" - echo Setting VOUT_MAX=[1.1V] on bus $1 VRM @$2 rail $3... - i2cset -y $1 $2 0x24 0x44c w -} - -# Usage: vrm_print <bus> <i2c_address> <page> -vrm_print() -{ - vrm_set_page "$@" - local operation=`i2cget -y $1 $2 0x01 b` - local vout=`i2cget -y $1 $2 0x8b w` - local iout=`i2cget -y $1 $2 0x8c w` - echo VRM on bus $1 @$2 rail $3: OPERATION=$operation VOUT=$vout IOUT=$iout + echo 0 > $(echo ${i2c_path}/$1-$(printf "%04x" $2)/hwmon/hwmon*/avs$(printf "%d" $3)_enable) } # Usage: for_each_rail <command> @@ -87,12 +52,7 @@ then elif [ "$1" == "disable" ] then for_each_rail vrm_avs_disable -elif [ "$1" == "vdn_max" ] -then - addrs_pages="$vdn_i2c_addr_page" - for_each_rail vrm_vout_max_1v1 else - for_each_rail vrm_print echo "\"$0 <enable|disable>\" to control whether VRMs use AVSBus" echo "\"$0 <vdn_max>\" to set VDN rails VOUT_MAX to 1.1V" fi |