E-DOC-CTC-20071119-0003 v1.0
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Firmware Upgrade and Configuration Update
3.1.3
Dual Memory Bank Firmware Upgrade
Introduction
Some Thomson Gateway business RTEMS devices have a dual memory bank (Flash).
Description
First, the CPE receives a Download RPC from the ACS. If the FileType argument is set to “1 Firmware Upgrade
Image”, a firmware upgrade is started.
A
dual memory bank firmware upgrade process
includes following steps:
1
The “passive” firmware image in Flash is deleted.
2
The new firmware image is downloaded and written to Flash.
3
A switch-over is performed: the new firmware image is now the “active” image and the old firmware
image becomes the “passive” image.
4
A reboot is initiated to load and run the new firmware.
Finally, the completion (success or failures) of the firmware upgrade is indicated to the ACS
(TransferComplete RPC).
Firmware upgrade flow
The different steps of the firmware upgrade process are depicted in following illustration:
Firmw
a
re 1
Flas
h
SD
RAM
BL
Img 1
BL
F
irmw
a
re 1
Fi
rm
w
a
re
1
BL
F
irm
w
a
re
3
BL
Erase passive
image in Flash
Download &
Flash
image
Switch-over &
Reboot
Upgrade
Command
Upgrade
Complete
Download
Image
Img 2
Img 1
Img 1
Img 3
Img 1
Img 3
Summary of Contents for TR-069
Page 2: ......
Page 3: ...Thomson Gateway TR 069 Configuration Guide R7 4 and higher ...
Page 18: ...E DOC CTC 20071119 0003 v1 0 12 1 Introduction ...
Page 36: ...E DOC CTC 20071119 0003 v1 0 30 2 Configuring CWMP on the Thomson Gateway ...
Page 74: ...E DOC CTC 20071119 0003 v1 0 68 5 WAN Connections ...
Page 106: ...E DOC CTC 20071119 0003 v1 0 100 6 Service Provisioning ...
Page 109: ......