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[fwutil]: Update documentation: CPLD update on Mellanox platforms #876

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Apr 14, 2020
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[fwutil]: Update documentation: CPLD update on Mellanox platforms #876

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40 changes: 40 additions & 0 deletions doc/Command-Reference.md
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@
* [Platform Component Firmware](#platform-component-firmware)
* [Platform Component Firmware show commands](#platform-component-firmware-show-commands)
* [Platform Component Firmware config commands](#platform-component-firmware-config-commands)
* [Platform Component Firmware vendor specific behaviour](#platform-component-firmware-vendor-specific-behaviour)
* [Platform Specific Commands](#platform-specific-commands)
* [PortChannels](#portchannels)
* [PortChannel Show commands](#portchannel-show-commands)
Expand Down Expand Up @@ -4119,6 +4120,45 @@ Supported options:

Note: the default option is --image=current (current/next values are taken from `sonic_installer list`)

### Platform Component Firmware vendor specific behaviour

#### Mellanox

**CPLD update**

On Mellanox platforms CPLD update can be done either for single or for all components at once.
The second approach is preferred. In this case an aggregated `vme` binary is used and
CPLD component can be specified arbitrary.

- Example:
```bash
root@sonic:/home/admin# show platform firmware
Chassis Module Component Version Description
---------------------- -------- ----------- ----------------------- ----------------------------------------
x86_64-mlnx_msn3800-r0 N/A BIOS 0ACLH004_02.02.007_9600 BIOS - Basic Input/Output System
CPLD1 CPLD000000_REV0400 CPLD - Complex Programmable Logic Device
CPLD2 CPLD000000_REV0300 CPLD - Complex Programmable Logic Device
CPLD3 CPLD000000_REV0300 CPLD - Complex Programmable Logic Device
CPLD4 CPLD000000_REV0100 CPLD - Complex Programmable Logic Device

root@sonic:/home/admin# BURN_VME="$(pwd)/FUI000091_Burn_SN3800_CPLD000120_REV0600_CPLD000165_REV0400_CPLD000166_REV0300_CPLD000167_REV0100.vme"
root@sonic:/home/admin# REFRESH_VME="$(pwd)/FUI000091_Refresh_SN3800_CPLD000120_REV0600_CPLD000165_REV0400_CPLD000166_REV0300_CPLD000167_REV0100.vme"

root@sonic:/home/admin# config platform firmware install chassis component CPLD1 fw -y ${BURN_VME}
root@sonic:/home/admin# config platform firmware install chassis component CPLD1 fw -y ${REFRESH_VME}

root@sonic:/home/admin# show platform firmware
Chassis Module Component Version Description
---------------------- -------- ----------- ----------------------- ----------------------------------------
x86_64-mlnx_msn3800-r0 N/A BIOS 0ACLH004_02.02.007_9600 BIOS - Basic Input/Output System
CPLD1 CPLD000000_REV0600 CPLD - Complex Programmable Logic Device
CPLD2 CPLD000000_REV0400 CPLD - Complex Programmable Logic Device
CPLD3 CPLD000000_REV0300 CPLD - Complex Programmable Logic Device
CPLD4 CPLD000000_REV0100 CPLD - Complex Programmable Logic Device
```

Note: the update will have the same effect if any of CPLD1/CPLD2/CPLD3/CPLD4 will be used

Go Back To [Beginning of the document](#) or [Beginning of this section](#platform-component-firmware)


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