Removing An Application Image - Intel Agilex Configuration User Manual

4. Remote System Update (RSU)
UG-20205 | 2019.10.09

4.6.6. Removing an Application Image

1. Set up exclusive access to the AS x4 interface and flash memory by running the
commands in the Tcl Console window.. You now have exclusive access to the AS x4 interface and flash until you relinquish
access by running the
QSPI_WRITE
2. Write
0x00000000
pointer block (CPB0 and CPB1) using the
Note: You must update both copies (copy0 and copy1) when editing the configuration firmware pointer block and sub-
partition table.
3. Erase the application image content in the flash memory using the
4. To remove a new application image, add another new application image in the next or subsequent image pointer entry or
allow the device to fall back to the previous or secondary application image in your application image list. The following
table shows correct entries for image pointer entries for CPB0 and CPB1 for offsets
CPB Start Address +
CPB0 + =
0x20 0x002E4020
CPB0 + =
0x28 0x002E4028
CPB1 + =
0x20 0x002EC020
CPB1 + =
0x28 0x002EC028
Send Feedback
command. Write the new application image to the flash memory using the
QSPI_CLOSE
command.
to the application image start address stored in the image pointer entry of the configuration firmware
QSPI_WRITE
0x20
Old application image pointer entry (lower priority)
Current/new application image pointer entry
(highest priority)
Old application image pointer entry (lower priority)
Current/New application image pointer entry
(highest priority)
QSPI_OPEN
command.
command.
QSPI_ERASE
0x20
Content
and
QSPI_SET_CS
and :
0x28
Value
0x002F4000
0x03FF0000
0x002F4000
0x03FF0000
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