[devices]: Add lpmode in sfputil.py for Accton AS5712-54X#3094
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lguohan merged 1 commit intosonic-net:masterfrom Jun 29, 2019
Merged
[devices]: Add lpmode in sfputil.py for Accton AS5712-54X#3094lguohan merged 1 commit intosonic-net:masterfrom
lguohan merged 1 commit intosonic-net:masterfrom
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Signed-off-by: brandon_chuang <brandon_chuang@edge-core.com>
lguohan
approved these changes
Jun 29, 2019
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Signed-off-by: brandon_chuang brandon_chuang@edge-core.com
CPU: Intel C2538 2.4GHz 3.0V FCBGA1283
MAC: Broadcom Trident2 BCM56854, 1 pcs, 720Gbs multi-layer Ethernet switch controller
BMC: None
What I did
Add lpmode in sfputil.py for as5712-54x.
.
How I did it
Implement get_low_power_mode/set_low_power_mode in sfputil.py
How to verify it
sfputil show lpmode
sfputil lpmode off
sfputil lpmode on
Description for the changelog
Access eeprom from transceiver to get/set lpmode status
If "Power override" bit is not set, return the LPMode register value read from CPLD
If "Power override" bit is set, retrun the S/W lpmode status read from eeprom.
Below is the Power Mode Truth Table defined in sff-8436
LPMode_Pin Power_overide_Bit Power_set_Bit Module_Power_Allowed
1 0 X Low Power
0 0 X High Power
X 1 1 Low Power
X 1 0 High Power